1		% (c) 2009-2026 Lehrstuhl fuer Softwaretechnik und Programmiersprachen,
2		% Heinrich Heine Universitaet Duesseldorf
3		% This software is licenced under EPL 1.0 (http://www.eclipse.org/org/documents/epl-v10.html)
4
5		:- module(preferences,
6		[init_preferences/0,
7		tcltk_get_preference/2,
8		get_computed_preference/2,
9		get_preference/2, get_preferences_list/1, get_preferences_list/2,
10		set_preference/2,
11		call_with_preference/3,
12		temporary_set_preference/2, temporary_set_preference/3,
13		reset_temporary_preference/1, reset_temporary_preference/2,
14		reset_all_temporary_preferences/0,
15		preference_category/2, preference_description/2, preference_val_type/2, preference_val_type_list/2, preference_default_value/2,
16		preference/2,
17		is_of_type/2, pref_type_synonym/2,
18		get_ith_preference_type/2, get_ith_preference_value/2, set_ith_preference_value/2,
19		get_ith_preference_type/3, get_ith_preference_value/3, set_ith_preference_value/3,
20		virtual_preference_category/2,
21		load_preferences/1,save_preferences/1,
22		backup_preferences/0, revert_preferences/0, reset_to_defaults/1, reset_for_benchmarking/0,
23		set_preference_group/2,
24		activate_recent_documents/0,deactivate_recent_documents/0,
25		print_preferences/0, print_preferences/1,
26		get_preference_with_warnings/2,
27
28		add_recent_document/1, /* use to add a file to recent documents list */
29		get_recent_documents/1, clear_recent_documents/0,
30		add_element_to_history/3, get_history_elements_list/3,
31
32		eclipse_preference/2, print_eclipse_prefs/0,
33		advanced_eclipse_preference/2,
34		obsolete_eclipse_preference/1, obsolete_preference/1,
35		deprecated_eclipse_preference/4,
36		get_non_default_preferences/1,
37		has_default_value/1,
38
39		get_time_out_preference_with_factor/2,
40		add_time_outs/3,
41		time_out_preference_disabled/0,
42
43		get_prob_application_type/1, set_prob_application_type/1,
44		try_get_program_path/2,
45
46		valid_rgb_color/1, valid_dot_shape/1, valid_dot_line_style/1, valid_dot_node_style/1
47		]).
48
49		:- meta_predicate call_with_preference(0,-,-).
50
51		:- use_module(tools, [print_message/1, get_modulename_filename/2]).
52		:- use_module(tools_meta, [safe_on_exception/3, safe_on_exception_silent/3, translate_term_into_atom/2]).
53		:- use_module(tools_platform, [host_platform/1]).
54		:- use_module(tools_strings, [string_concatenate/3, ajoin/2]).
55		:- use_module(tools_printing, [print_dynamic_pred/4,print_error/1,format_error_with_nl/2]).
56		:- use_module(version, [version_str/1, revision/1, lastchangeddate/1]).
57
58		:- use_module(module_information,[module_info/2]).
59		:- module_info(group,infrastructure).
60		:- module_info(description,'This module manages the various preferences of ProB. Preferences can be grouped, saved and restored and validated from file.').
61
62		:- load_files(library(system), [when(compile_time), imports([environ/2])]).
63
64		%:- use_module(debug). % no longer required
65		% :- use_module(self_check). % tests now in basic_tests
66		:- use_module(error_manager).
67		:- use_module(library(lists)).
68
69		:- volatile change_flag/0.
70		:- dynamic change_flag/0.
71		assert_change_flag :- assertz(change_flag).
72
73		% --------------
74
75		init_preferences :- retractall(change_flag),
76		reset_to_defaults, check_preferences.
77
78		check_preferences :-
79	?	preference_default_value(P,_), %print(check(P)),nl,
80		check_preference(P),
81		fail.
82		check_preferences :-
83	?	(preference_description(P,_) ; preference_category(P,_)),
84		\+ preference_default_value(P,_),
85		add_internal_error('Preference has no default value:',check_preference(P)).
86		check_preferences. % :- print_message('Preferences Checked').
87
88		check_preference(P) :- \+ preference(P,_),
89		add_internal_error('Preference has no value:',check_preference(P)),fail.
90		check_preference(P) :- \+ preference_val_type(P,_),
91		add_internal_error('Preference has no value type:',check_preference(P)),fail.
92		check_preference(P) :- \+ preference_category(P,_),
93		add_internal_error('Preference has no category:',check_preference(P)),fail.
94		check_preference(P) :- \+ preference_description(P,_),
95		add_internal_error('Preference has no description:',check_preference(P)),fail.
96		check_preference(P) :-
97		preference(P,Val), preference_val_type(P,T),
98	?	\+ is_of_type(Val,T),
99		add_internal_error('Preference value of incorrect type:',is_of_type(P,Val,T)),fail.
100		check_preference(P) :- preference_category(P,C1), preference_category(P,C2), C1 \= C2, !,
101		add_internal_error('Multiple categories for preference:',category(P,C1,C2)).
102		check_preference(_).
103
104		% --------------
105
106		load_preferences(File) :- print_message(load_preferences(File)),
107		safe_on_exception_silent(Exception1,
108		open(File,read,Stream,[encoding(utf8)]),
109		(print_see_exception(Exception1,File),fail)),
110		!,
111		load_preferences2(Stream,File).
112		load_preferences(_).
113
114		load_preferences2(Stream,File) :-
115		safe_on_exception(_Exc2,read_preferences(Stream),
116		(print_message('### corrupted preference file'),print_message(File))),
117		!.
118		%print(loaded_preferences(File)),nl.
119		load_preferences2(_Stream,File) :-
120		print_message('### error occured reading preference file'),
121		print_message(File).
122
123		print_see_exception(error(existence_error(_,_),_),File) :- !,
124		print_message('preference file does not exist, ProB will create a fresh one'),print_message(File).
125		print_see_exception(Exception,File) :-
126		print_message('### cannot open preference file'),print_message(File),
127		print_message(Exception).
128
129		read_preferences(Stream) :- clear_dynamic_preference_predicates,
130		call_cleanup(read_preferences2(Stream),close(Stream)).
131		read_preferences2(Stream) :-
132		read(Stream,Term),
133		Term \= end_of_file, !, %print(pref(Term)),nl,
134		(Term = preference(Pref,NVal)
135		-> (volatile_preference(Pref) -> true
136		; retract(preference(Pref,_)) -> assertz(preference(Pref,NVal))
137		; obsolete_preference(Pref) -> print_message(obsolete(Pref))
138		; add_message(load_preferences,'Unknown preference in preference file: ',Pref)
139		)
140		; Term = ':-'(dynamic(_)) -> true
141		; dynamic_preference_predicate(Term) -> assertz(Term)
142		; (Term = (Head:-fail),dynamic_preference_predicate(Head)) -> true
143		; add_error(load_preferences,'Unrecognised:',Term)
144		),
145		read_preferences2(Stream).
146		read_preferences2(_Stream) :- retractall(change_flag), recompute_nr_of_recent_documents.
147		%recompute_nr_of_searched_and_replaced_patterns.
148		%recompute_nr_of_eval_history_elements.
149
150		clear_dynamic_preference_predicates :- dynamic_preference_predicate(X), retractall(X),fail.
151		clear_dynamic_preference_predicates.
152
153		% declare which dynamic predicates are stored in Preference file
154		dynamic_preference_predicate(recent_documents(_)).
155		dynamic_preference_predicate(searched_patterns(_)).
156		dynamic_preference_predicate(replaced_patterns(_)).
157		dynamic_preference_predicate(eval_history_elements(_)).
158		dynamic_preference_predicate(eval_csp_history_elements(_)).
159		dynamic_preference_predicate(checked_ltl_formulas(_)).
160
161		save_preferences(File) :- change_flag,!,
162		% catch exception in case we cannot write preferences file
163		catch(save_preferences2(File), Exception, (
164		string_concatenate('Cannot write preferences file ',File,Msg),
165		add_error(save_preferences,Msg,Exception)
166		)).
167		save_preferences(File) :- print_message(preferences_unchanged(File)).
168
169		save_preferences2(File) :-
170		print_message(save_preferences(File)),
171		open(File,write,S,[encoding(utf8)]),
172		(print_preferences_for_saving(S) -> true ; true),
173		close(S),
174		retractall(change_flag).
175
176		% if we have temporarily set a preference, then print the old value
177		print_preferences_for_saving(Stream) :-
178		preference_default_value(Pref,_),
179		preference(Pref,CurVal),
180		(temp_pref(Pref,OldVal,CurVal) -> V=OldVal ; V=CurVal), % temp_pref can be nested !, will not print initial value in this case
181		write_term(Stream,preference(Pref,V),[quoted(true)]),print(Stream,'.'),nl(Stream),
182		fail.
183		print_preferences_for_saving(Stream) :- print_dynamic_preferences(Stream).
184
185		print_preferences :- print_preferences(user_output).
186		print_preferences(Stream) :-
187		print_dynamic_pred(Stream,preferences,preference,2),
188		print_dynamic_preferences(Stream).
189
190		print_dynamic_preferences(Stream) :-
191	?	dynamic_preference_predicate(P), functor(P,F,N),
192		print_dynamic_pred(Stream,preferences,F,N),fail.
193		print_dynamic_preferences(_).
194
195		% now in basic_tests.pl
196		%:- assert_must_succeed(get_non_default_preferences(_)).
197
198		get_non_default_preferences(list(L)) :-
199		findall(PS,non_default_pref(PS),L).
200
201		has_default_value(Pref) :- get_preference(Pref,Val), preference_default_value(Pref,Val).
202
203	?	non_default_pref(PrefStr) :- preference(Pref,Val), preference_default_value(Pref,DVal),
204		DVal \= Val,
205	?	(eclipse_preference(ECLPREF,Pref) ->
206		ajoin([Pref,' (',ECLPREF,') == ',Val,' (default = ',DVal, ')'],PrefStr)
207		;
208		ajoin([Pref,' == ',Val,' (default = ',DVal, ')'],PrefStr)
209		).
210
211		:- volatile change_flag_backup/0, pref_backup/2.
212		:- dynamic change_flag_backup/0.
213		:- dynamic pref_backup/2.
214
215		backup_preferences :- retractall(pref_backup(_,_)),retractall(change_flag_backup),
216	?	preference(P,Val), assertz(pref_backup(P,Val)),fail.
217	?	backup_preferences :- (change_flag -> assertz(change_flag_backup) ; true).
218
219	?	revert_preferences :- \+(pref_backup(_,_)),!, print_error('No previously backed-up preferences in revert_preferences!').
220	?	revert_preferences :- retractall(preference(_,_)),pref_backup(P,Val), assertz(preference(P,Val)),fail.
221		revert_preferences :- retractall(change_flag), (change_flag_backup -> assert_change_flag ; true).
222
223		reset_to_defaults :-
224		reset_to_defaults(_).
225
226	?	reset_to_defaults(Category) :- preference_category(Pref,Category),
227		preference_default_value(Pref,Val),
228		retractall(preference(Pref,_)),
229		assertz(preference(Pref,Val)),
230		fail.
231		reset_to_defaults(_) :- assert_change_flag.
232
233
234		reset_for_benchmarking :-
235		set_preference(maxNrOfInitialisations,3),
236		set_preference(randomisedRestartInitalisations,false),
237		set_preference(maxNrOfEnablingsPerOperation,10),
238		set_preference(maxint,4),
239		set_preference(minint,-1),
240		set_preference(time_out,3500),
241		set_preference(globalsets_fdrange,3),
242		set_preference(show_initialisation_arguments,true),
243		set_preference(provide_trace_information,false),
244		set_preference(prob_profiling_on,false),
245		set_preference(prob_source_profiling_on,false),
246		set_preference(performance_monitoring_on,false),
247		set_preference(data_validation_mode,false),
248		set_preference(find_abort_values,false),
249		set_preference(raise_abort_immediately,false),
250		set_preference(expand_forall_upto,100),
251		%set_preference(animate_skip_operations,true),
252		set_preference(cspm_animate_all_processes_without_arguments,false),
253		set_preference(cspm_animate_all_processes,false).
254		% set_preference(convert_closures_into_explicit_form_for_store,true).
255
256
257		call_with_preference(Call,Pref,Val) :-
258		temporary_set_preference(Pref,Val,CHNG1),
259		call_cleanup(Call,
260		reset_temporary_preference(Pref,CHNG1)).
261
262
263		% ------------------------
264
265
266		% now in basic_tests.pl
267		%:- assert_must_succeed( \+((eclipse_preference(_EP,P), \+preference_default_value(P,_Val)))).
268		% the order is also the order in which they appear in ProB for Rodin:
269		eclipse_preference('DEFAULT_SETSIZE',globalsets_fdrange).
270		eclipse_preference('MAX_INITIALISATIONS',maxNrOfInitialisations).
271		eclipse_preference('MAX_OPERATIONS',maxNrOfEnablingsPerOperation).
272		eclipse_preference('MAXINT',maxint).
273		eclipse_preference('MININT',minint).
274		%eclipse_preference('ANIMATE_SKIP_OPERATIONS',animate_skip_operations).
275		%eclipse_preference('EXPAND_CLOSURES_FOR_STATE',convert_closures_into_explicit_form_for_store).
276		eclipse_preference('TIME_OUT',time_out).
277		eclipse_preference('NUMBER_OF_ANIMATED_ABSTRACTIONS',number_animated_abstractions). % nr of refinement levels above animated
278		eclipse_preference('NUMBER_OF_SKIPPED_REFINEMENTS',number_skipped_refined_machines).
279		eclipse_preference('USE_RECORD_CONSTRUCTION',use_record_construction).
280		eclipse_preference('USE_IGNORE_PRAGMAS',use_ignore_pragmas).
281
282		eclipse_preference('COMPRESSION',try_use_state_packing).
283		eclipse_preference('OPERATION_REUSE',try_operation_reuse). % was initially not available for Event-B; see eg. prob_examples/examples/EventBPrologPackages/Advance_WP2/v6_Sep2014/ex_mch.eventb -animate 300 which generated deadlock
284		eclipse_preference('OPERATION_REUSE_FOR_INVARIANTS',try_operation_reuse_for_invariants).
285		eclipse_preference('PROOF_INFO',use_po).
286
287		eclipse_preference('RANDOMISE_ENUMERATION_ORDER',randomise_enumeration_order).
288		eclipse_preference('TRY_FIND_ABORT',find_abort_values). % maybe rename into TRY_FIND_WD_ERROR ?
289		eclipse_preference('CLPFD',use_clpfd_solver).
290		eclipse_preference('CLPFD_LABELING',clpfd_solver_label_option).
291		eclipse_preference('CHR',use_chr_solver).
292		eclipse_preference('SMT',use_smt_mode).
293		eclipse_preference('SOLVER_STRENGTH',solver_strength).
294		eclipse_preference('CSE',use_common_subexpression_elimination).
295		eclipse_preference('STATIC_ORDERING',use_static_ordering).
296
297		%eclipse_preference('SYMMETRY_MARKERS',use_symmetry_marker_hash).
298		%eclipse_preference('PERMUTATION_FLOODING',enable_permutation_reducation).
299		eclipse_preference('SYMMETRY_MODE',symmetry_mode).
300		%eclipse_preference('KODKOD',try_kodkod_on_load). % new preference try_solver_on_load
301		eclipse_preference('SOLVER_FOR_PROPERTIES',use_solver_on_load).
302
303		eclipse_preference('SYMBOLIC',convert_comprehension_sets_into_closures).
304		eclipse_preference('SYMBOLIC_LIMIT',comprehension_set_symbolic_limit).
305		eclipse_preference('MEMO',use_closure_expansion_memoization).
306		eclipse_preference('MEMOIZE_FUNCTIONS',use_function_memoization).
307
308		eclipse_preference('AUTO_DETECT_THEORY_MAPPING',auto_detect_theory_ops).
309		eclipse_preference('PROB_VERSION_INFO',prob_version_info).
310		eclipse_preference('PROB_REVISION_INFO',prob_revision_info).
311		eclipse_preference('PROB_LASTCHANGED_INFO',prob_lastchangedate_info).
312
313	?	eclipse_preference(A,B) :- advanced_eclipse_preference(A,B).
314
315		% these will not be shown in ProB for Rodin for example:
316		advanced_eclipse_preference('OPTIMIZE_AST',optimize_ast).
317		advanced_eclipse_preference('NORMALIZE_AST',normalize_ast).
318		advanced_eclipse_preference('STATIC_SYMMETRY_DETECTION',use_static_symmetry_detection).
319		advanced_eclipse_preference('ENUMERATION_ORDER_ANALYSIS',perform_enumeration_order_analysis). % should probably not be disabled in Rodin
320		advanced_eclipse_preference('DETECT_LAMBDAS',detect_lambdas).
321		advanced_eclipse_preference('DATA_VALIDATION',data_validation_mode).
322		advanced_eclipse_preference('RAISE_ABORT_IMMEDIATELY',raise_abort_immediately).
323		%advanced_eclipse_preference('WARN_WHEN_EXPANDING_INFINITE_CLOSURES',warn_when_expanding_infinite_closures).
324		advanced_eclipse_preference('ENUMERATE_INFINITE_TYPES',allow_enumeration_of_infinite_types).
325		advanced_eclipse_preference('KODKOD_ONLY_FULL',kodkod_for_components).
326		advanced_eclipse_preference('KODKOD_RAISE_WARNINGS',kodkod_raise_warnings).
327		advanced_eclipse_preference('KODKOD_MAX_NR_SOLS',kodkod_max_nr_solutions).
328		advanced_eclipse_preference('KODKOD_SYMMETRY',kodkod_symmetry_level).
329		advanced_eclipse_preference('KODKOD_SAT_SOLVER',kodkod_sat_solver).
330		advanced_eclipse_preference('CSE_PRED',use_common_subexpression_also_for_predicates).
331		advanced_eclipse_preference('CSE_WD_ONLY',use_common_subexpression_wd_only).
332		advanced_eclipse_preference('CSE_SUBST',use_common_subexpression_also_for_substitutions).
333		advanced_eclipse_preference('USELESS_CODE_ELIMINATION',useless_code_elimination).
334		advanced_eclipse_preference('ALLOW_INCOMPLETE_SETUP_CONSTANTS',allow_incomplete_partial_setup_constants).
335		advanced_eclipse_preference('PARTITION_PROPERTIES',partition_predicates).
336		advanced_eclipse_preference('PARTITION_PROPERTIES_INLINE',partition_predicates_inline_equalities).
337		advanced_eclipse_preference('SHOW_EVENTB_ANY_VALUES',show_eventb_any_arguments).
338		advanced_eclipse_preference('RANDOMISE_OPERATION_ORDER',randomise_operation_order).
339		%advanced_eclipse_preference('RANDOMISED_RESTART_INIT',randomisedRestartInitalisations).
340		advanced_eclipse_preference('EXPAND_FORALL_UPTO',expand_forall_upto).
341		advanced_eclipse_preference('LIFT_EXISTS',lift_existential_quantifiers).
342		advanced_eclipse_preference('REMOVE_IMPLIED_CONSTRAINTS',remove_implied_constraints). % imply
343		advanced_eclipse_preference('MAX_DISPLAY_SET',expand_avl_upto).
344		advanced_eclipse_preference('SHOW_FORMULA_FUNCTOR',show_bvisual_formula_functor_from).
345		advanced_eclipse_preference('SHOW_FORMULA_PROOF_INFO',show_bvisual_proof_info_icons).
346		advanced_eclipse_preference('SHOW_FORMULA_EXPLANATIONS',show_bvisual_formula_explanations).
347		advanced_eclipse_preference('HYGIENIC_DEFINITIONS',use_hygienic_definitions).
348		advanced_eclipse_preference('WARN_IF_DEFINITION_HIDES_VARIABLE',warn_if_definition_hides_variable).
349		advanced_eclipse_preference('TYPE_CHECK_DEFINITIONS',type_check_definitions).
350		advanced_eclipse_preference('TRACE_INFO',provide_trace_information).
351		advanced_eclipse_preference('PROFILING_INFO',prob_profiling_on).
352		advanced_eclipse_preference('SOURCE_PROFILING_INFO',prob_source_profiling_on).
353		advanced_eclipse_preference('STORE_DETAILED_TRANSITION_INFOS',eventtrace). % Event Trace Info
354		advanced_eclipse_preference('PERFORMANCE_INFO',performance_monitoring_on).
355		advanced_eclipse_preference('PERFORMANCE_INFO_LIMIT',performance_monitoring_expansion_limit).
356		advanced_eclipse_preference('DOUBLE_EVALUATION',double_evaluation_when_analysing).
357		advanced_eclipse_preference('PROB_SAFE_MODE',prob_safe_mode).
358		%advanced_eclipse_preference('RECURSIVE',allow_recursive_closures).
359		advanced_eclipse_preference('IGNORE_HASH_COLLISIONS',ignore_hash_collisions).
360		advanced_eclipse_preference('USE_SCOPE_DEFINITION',use_scope_predicate).
361		advanced_eclipse_preference('FORGET_STATE_SPACE',forget_state_space).
362		advanced_eclipse_preference('SAFETY_MODEL_CHECK',store_only_one_incoming_transition). % is actually INVARIANT_MC
363		advanced_eclipse_preference('LTL_SAFETY_MODEL_CHECK',use_safety_ltl_model_checker).
364		%advanced_eclipse_preference('LARGE_PARSER_JVM',use_large_jvm_for_parser).
365		advanced_eclipse_preference('JVM_PARSER_HEAP_MB',jvm_parser_heap_size_mb). % TO DO: do not show in ProB2-UI
366		advanced_eclipse_preference('JVM_PARSER_ARGS',jvm_parser_additional_args).
367		advanced_eclipse_preference('JVM_PARSER_POSITION_INFOS',jvm_parser_position_infos).
368		%advanced_eclipse_preference('JVM_PARSER_FASTRW',jvm_parser_fastrw).
369		advanced_eclipse_preference('CSP_STRIP_SOURCE_LOC',cspm_strip_source_location).
370		advanced_eclipse_preference('INVARIANT_CHECKING',do_invariant_checking).
371		advanced_eclipse_preference('ASSERT_CHECKING',do_assert_checking).
372		%advanced_eclipse_preference('NEGATED_INVARIANT_CHECKING',do_neginvariant_checking). % use double_evaluation_when_analysing
373		advanced_eclipse_preference('ALLOW_SIMULTANEOUS_ASSIGNMENTS',allow_simultaneous_assignments).
374		advanced_eclipse_preference('ALLOW_REALS',allow_arith_operators_on_reals).
375		advanced_eclipse_preference('REAL_SOLVER',solver_for_reals).
376		advanced_eclipse_preference('BUGLY',bugly_pp_scrambling). % B Ugly
377		advanced_eclipse_preference('ATELIERB_KRT_PATH',path_to_atb_krt).
378		advanced_eclipse_preference('JAVA_PATH',path_to_java).
379		advanced_eclipse_preference('JAVA_PARSER_PATH',path_to_java_parser).
380		advanced_eclipse_preference('TRY_ATELIERB_PROVERS',try_atb_provers).
381		advanced_eclipse_preference('SMTLIB_BOOL_ARRAYS_TO_SETS',smtlib2b_arrays_as_sets).
382		advanced_eclipse_preference('SMTLIB_PREPROCESS',smtlib2b_cleanup_predicate).
383		advanced_eclipse_preference('SYMBOLIC_MC_TRY_OTHER_SOLVERS',symbolic_mc_try_other_solvers).
384		advanced_eclipse_preference('SMT_SUPPORTED_INTERPRETER',smt_supported_interpreter).
385		advanced_eclipse_preference('SAT_SUPPORTED_INTERPRETER',sat_supported_interpreter).
386		advanced_eclipse_preference('PP_FROZEN_INFOS',translate_print_frozen_infos).
387		advanced_eclipse_preference('PP_SEQUENCES',translate_print_all_sequences).
388		advanced_eclipse_preference('PP_CS_STYLE_SEQUENCES',translate_print_cs_style_sequences).
389		advanced_eclipse_preference('STRING_AS_SEQUENCE',allow_sequence_operators_on_strings).
390		advanced_eclipse_preference('COMPILE_WHILE',compile_while_body).
391		advanced_eclipse_preference('EXPAND_BECOMES_SUCH',expand_becomes_such_into_set).
392		advanced_eclipse_preference('WARN_ABOUT_FAILING_ASSIGNMENTS',warn_about_failing_assignments).
393		%advanced_eclipse_preference('PGE',pge).
394
395
396		advanced_eclipse_preference('DOT_PROP',dot_print_node_properties).
397		advanced_eclipse_preference('DOT_IDS',dot_print_node_ids).
398		advanced_eclipse_preference('DOT_TRANS_IDS',dot_print_transition_ids).
399		advanced_eclipse_preference('DOT_INFO',dot_print_node_info).
400		advanced_eclipse_preference('DOT_LOOPS',dot_print_self_loops).
401		advanced_eclipse_preference('DOT_ARC_COLORS',dot_print_arc_colors).
402		advanced_eclipse_preference('DOT_FUNCTIONS',dot_print_functions).
403		advanced_eclipse_preference('DOT_ROOT',dot_print_root).
404		%advanced_eclipse_preference('DOT_LEAVES',dot_print_leaves).
405		advanced_eclipse_preference('DOT_EDGE_LABELS',dot_print_edge_labels).
406		advanced_eclipse_preference('DOT_ARGUMENTS',dot_print_action_arguments).
407		advanced_eclipse_preference('DOT_COLOR_ARC',dot_normal_arc_colour).
408		advanced_eclipse_preference('DOT_COLOR_NODE',dot_normal_node_colour).
409		advanced_eclipse_preference('DOT_COLOR_NODE_ERROR',dot_invariant_violated_node_colour).
410		advanced_eclipse_preference('DOT_COLOR_NODE_OPEN',dot_open_node_colour).
411		advanced_eclipse_preference('DOT_COLOR_NODE_GOAL',dot_goal_node_colour).
412		advanced_eclipse_preference('DOT_PEN_WIDTH',dot_node_penwidth).
413		advanced_eclipse_preference('DOT_EDGE_PEN_WIDTH',dot_edge_penwidth).
414		advanced_eclipse_preference('DOT_SHOW_OP_READ_WRITES',dot_enabling_show_readwrites).
415		advanced_eclipse_preference('DOT',path_to_dot).
416		advanced_eclipse_preference('DOT_ENGINE',dot_default_engine).
417		advanced_eclipse_preference('DOT_DECOMPOSE_NODES',dot_state_graph_decompose).
418
419		advanced_eclipse_preference('SUCCESSFUL_RULE_COLOUR',successful_rule_colour).
420		advanced_eclipse_preference('FAILED_RULE_COLOUR',failed_rule_colour).
421		advanced_eclipse_preference('DISABLED_RULE_COLOUR',disabled_rule_colour).
422		advanced_eclipse_preference('NOT_CHECKED_RULE_COLOUR',not_checked_rule_colour).
423		advanced_eclipse_preference('RULE_GRAPH_SHAPE',rule_graph_shape).
424		advanced_eclipse_preference('EXECUTED_COMPUTATION_COLOUR',executed_computation_colour).
425		advanced_eclipse_preference('NOT_EXECUTED_COMPUTATION_COLOUR',not_executed_computation_colour).
426		advanced_eclipse_preference('DISABLED_COMPUTATION_COLOUR',disabled_computation_colour).
427		advanced_eclipse_preference('COMPUTATION_GRAPH_SHAPE',computation_graph_shape).
428		advanced_eclipse_preference('SUCCEEDED_DEPENDENCY_COLOUR',succeeded_dependency_colour).
429		advanced_eclipse_preference('FAILED_DEPENDENCY_COLOUR',failed_dependency_colour).
430		advanced_eclipse_preference('NORMAL_DEPENDENCY_COLOUR',normal_dependency_colour).
431
432
433		advanced_eclipse_preference('TK_CUSTOM_STATE_VIEW_PADDING',tk_custom_state_viewer_padding).
434		advanced_eclipse_preference('TK_CUSTOM_STATE_VIEW_STRING_PADDING',tk_custom_state_viewer_str_padding).
435		advanced_eclipse_preference('TK_CUSTOM_STATE_VIEW_FONT_NAME',tk_custom_state_viewer_font_name).
436		advanced_eclipse_preference('TK_CUSTOM_STATE_VIEW_FONT_SIZE',tk_custom_state_viewer_font_size).
437		advanced_eclipse_preference('TK_CUSTOM_STATE_VIEW_VISIBLE',use_tk_custom_state_viewer).
438
439		%advanced_eclipse_preference('BOOL_AS_PREDICATE',bool_expression_as_predicate). % obsolete
440		advanced_eclipse_preference('ALLOW_UNTYPED_IDENTIFIERS',allow_untyped_identifiers).
441		advanced_eclipse_preference('ALLOW_LOCAL_OPERATION_CALLS',allow_local_operation_calls).
442		advanced_eclipse_preference('ALLOW_OPERATION_CALLS_IN_EXPRESSIONS',allow_operation_calls_in_expr).
443		advanced_eclipse_preference('ALLOW_COMPLEX_LETS',allow_let_to_reuse_introduced_ids).
444		advanced_eclipse_preference('REQUIRE_OUTPUT_ASSIGNMENT',require_operations_to_assign_all_outputs).
445		advanced_eclipse_preference('ALLOW_OUTPUT_READING',allow_operations_to_read_outputs).
446		advanced_eclipse_preference('ALLOW_OPERATION_CALLS_FOR_USES',allow_operation_calls_for_uses).
447		advanced_eclipse_preference('ALLOW_INITIALISATION_OVERRIDE',allow_overriding_initialisation).
448		advanced_eclipse_preference('REPL_UNICODE',repl_unicode).
449		advanced_eclipse_preference('REPL_CACHE_PARSING',repl_cache_parsing).
450		advanced_eclipse_preference('CACHE_CONSTANTS',cache_constants).
451		advanced_eclipse_preference('CACHE_OPERATIONS',cache_operations).
452		advanced_eclipse_preference('CACHE_OPERATIONS_RUNTIME_LIMIT',cache_operations_runtime_limit).
453		advanced_eclipse_preference('CACHE_KEEP_FILES_OPEN',cache_keep_files_open).
454		advanced_eclipse_preference('LATEX_ENCODING',latex_encoding).
455		advanced_eclipse_preference('LATEX_GREEK_IDENTIFIERS',latex_pp_greek_ids).
456		advanced_eclipse_preference('XML_ENCODING',xml_encoding).
457		advanced_eclipse_preference('BBRESULTS',view_probcli_errors_using_bbresults).
458		advanced_eclipse_preference('IGNORE_PRJ_TYPES',ignore_prj_types).
459		advanced_eclipse_preference('FILTER_UNUSED',filter_unused_constants).
460		advanced_eclipse_preference('DISPROVER_MODE',disprover_mode).
461		advanced_eclipse_preference('TRACE_UPON_ERROR',trace_upon_error).
462		advanced_eclipse_preference('NDJSON_ERROR_LOG_FILE',error_log_file).
463		advanced_eclipse_preference('STRICT_RAISE_WARNINGS',strict_raise_warnings).
464		advanced_eclipse_preference('STRICT_RAISE_ENUM_WARNINGS',strict_raise_enum_warnings).
465		advanced_eclipse_preference('STRICT_CLASH_CHECKING',clash_strict_checks).
466		%advanced_eclipse_preference('SHOW_FULL_ERROR_LOCATIONS',show_full_error_span).
467		advanced_eclipse_preference('EDITOR',path_to_text_editor_launch).
468		advanced_eclipse_preference('EDITOR_GUI',path_to_text_editor).
469		advanced_eclipse_preference('TLC_WORKERS',tlc_number_of_workers). % will be useful once we can call TLC from probcli (-mc_with_tlc)
470		advanced_eclipse_preference('TLC_USE_PROB_CONSTANTS',tlc_use_prob_constant_setup).
471		advanced_eclipse_preference('LTSMIN',path_to_ltsmin).
472
473		advanced_eclipse_preference('INTERNAL_ARGUMENT_PREFIX',prefix_internal_operation_arguments).
474		advanced_eclipse_preference('MINIMAL_TEST_SUITES',generate_minimal_nr_of_testcases).
475		advanced_eclipse_preference('ALLOW_NEW_OPERATIONS_IN_REFINEMENT',allow_new_ops_in_refinement).
476
477		advanced_eclipse_preference('ALLOY_USE_IMPLEMENTABLE_INTEGERS',alloy_use_implementable_integers).
478		advanced_eclipse_preference('ALLOY_SCOPELESS_TRANSLATION',alloy_scopeless_translation).
479		advanced_eclipse_preference('ALLOY_TRANSLATION_FOR_PROOF',alloy_translation_for_proof).
480		advanced_eclipse_preference('ALLOY_STRICT_INTEGERS',alloy_strict_integers).
481
482		advanced_eclipse_preference('SEQUENT_PROVER_RODIN_MODE',sequent_prover_rodin_mode).
483
484		advanced_eclipse_preference('DOT_EVENT_HIERARCHY_HORIZONTAL',dot_event_hierarchy_horizontal).
485		advanced_eclipse_preference('DOT_EVENT_HIERARCHY_MCH_COL',dot_event_hierarchy_machine_colour).
486		advanced_eclipse_preference('DOT_EVENT_HIERARCHY_REF_COL',dot_event_hierarchy_refines_colour).
487		advanced_eclipse_preference('DOT_EVENT_HIERARCHY_NEW_COL',dot_event_hierarchy_new_event_colour).
488		advanced_eclipse_preference('DOT_EVENT_HIERARCHY_RENAME_COL',dot_event_hierarchy_rename_event_colour).
489		advanced_eclipse_preference('DOT_EVENT_HIERARCHY_RENAME_UNCHG_COL',dot_event_hierarchy_rename_unchanged_event_colour).
490		advanced_eclipse_preference('DOT_EVENT_HIERARCHY_UNCHG_COL',dot_event_hierarchy_unchanged_event_colour).
491		advanced_eclipse_preference('DOT_EVENT_HIERARCHY_GRD_STRGTH_COL',dot_event_hierarchy_grd_strengthening_event_colour).
492		advanced_eclipse_preference('DOT_EVENT_HIERARCHY_GRD_KEEP_COL',dot_event_hierarchy_grd_keeping_event_colour).
493		advanced_eclipse_preference('DOT_EVENT_HIERARCHY_EDGE_COL',dot_event_hierarchy_edge_colour).
494		advanced_eclipse_preference('DOT_EVENT_HIERARCHY_EXTENDS_COL',dot_event_hierarchy_extends_colour).
495		advanced_eclipse_preference('DOT_HIERARCHY_EXTRA_DETAIL',dot_hierarchy_show_extra_detail).
496		advanced_eclipse_preference('DOT_USE_CONSTANTS',dot_print_use_constants).
497		advanced_eclipse_preference('DOT_ROOT_SHAPE',dot_root_shape).
498		advanced_eclipse_preference('DOT_NORMAL_NODE_SHAPE',dot_normal_node_shape).
499		advanced_eclipse_preference('DOT_CURRENT_NODE_SHAPE',dot_current_node_shape).
500		advanced_eclipse_preference('DOT_SCOPE_LIMIT_COL',dot_scope_limit_node_colour).
501		advanced_eclipse_preference('DOT_FILL_NORMAL_NODES',dot_fill_normal_nodes).
502		advanced_eclipse_preference('DOT_NODE_FONT_SIZE',dot_node_font_size).
503		advanced_eclipse_preference('DOT_EDGE_FONT_SIZE',dot_edge_font_size).
504		advanced_eclipse_preference('DOT_LIMIT_PAGE_SIZE',dot_with_page_size).
505		advanced_eclipse_preference('DOT_HORIZONTAL_LAYOUT',dot_horizontal_layout).
506		advanced_eclipse_preference('DOT_COLOUR_GOAL',dot_colour_goal_nodes).
507		advanced_eclipse_preference('DOT_DEFINITIONS_USE_SUB_GRAPH',dot_definitions_use_sub_graph).
508		advanced_eclipse_preference('DOT_DEFINITIONS_SHOW_ALL',dot_definitions_show_all).
509		advanced_eclipse_preference('DOT_PROJECTION_NON_DET_COL',dot_projection_non_det_edge_colour).
510		advanced_eclipse_preference('DOT_PROJECTION_DET_COL',dot_projection_det_edge_colour).
511		advanced_eclipse_preference('DOT_PROJECTION_NON_DEF_COL',dot_projection_non_definite_edge_style).
512		advanced_eclipse_preference('DOT_PROJECTION_DEF_COL',dot_projection_definite_edge_style).
513		advanced_eclipse_preference('DOT_PROJECTION_LABEL_LIMIT',dot_projection_label_limit).
514		advanced_eclipse_preference('DOT_PROJECTION_ONLY_EXPLORED_NODES',dot_projection_process_only_explored).
515		advanced_eclipse_preference('DOT_USE_UNICODE',dot_use_unicode).
516		advanced_eclipse_preference('DOT_PREDICATE_NODE_SHAPE',dot_predicate_node_shape).
517		advanced_eclipse_preference('DOT_EXPRESSION_NODE_SHAPE',dot_expression_node_shape).
518		advanced_eclipse_preference('DOT_VARIABLE_MODIFICATION_HIDE_ONLY_WRITTEN',dot_var_mod_hide_only_written).
519		advanced_eclipse_preference('DOT_MACHINE_HIERARCHY_MAX_IDS',dot_hierarchy_max_ids).
520		advanced_eclipse_preference('DOT_MACHINE_HIERARCHY_GROUP_INCLUDES',dot_hierarchy_group_includes).
521		advanced_eclipse_preference('CBC_PROVIDE_EXPLANATIONS',cbc_provide_explanations).
522		advanced_eclipse_preference('CBC_ENABLE_ANALYSIS_TIME_OUT',timeout_cbc_analysis).
523		advanced_eclipse_preference('SYNTAX_HIGHLIGHT',do_syntax_highlighting).
524		advanced_eclipse_preference('WD_IGNORE_EXTERNAL',wd_ignore_external_funs).
525		advanced_eclipse_preference('WD_IGNORE_FINITE_POS',wd_skip_finite_pos).
526		advanced_eclipse_preference('WD_ANALYSIS_FOR_ANIMATION',wd_analysis_for_animation).
527		advanced_eclipse_preference('Z3_SOLVE_FOR_ANIMATION',z3_solve_for_animation).
528		advanced_eclipse_preference('ADD_WD_POS_FOR_Z3',add_wd_pos_for_z3).
529		%advanced_eclipse_preference('DO_NOT_PRINT_WD_ERRORS',do_not_print_wd_errors).
530		advanced_eclipse_preference('TABLE_COLUMN_LIMIT',translation_limit_for_table_commands).
531		advanced_eclipse_preference('MAX_TRACES',trace_generation_limit).
532		advanced_eclipse_preference('TRACES_TIME_OUT',trace_generation_time_out).
533
534		advanced_eclipse_preference('MC_DC_Level',mc_dc_default_level).
535		advanced_eclipse_preference('VISB_DEBUG_INFO',visb_show_debug_infos).
536
537		% obsolete
538		obsolete_eclipse_preference('EXPAND_CLOSURES_FOR_STATE').
539		obsolete_eclipse_preference('BOOL_AS_PREDICATE').
540		obsolete_eclipse_preference('BPARSER').
541		obsolete_eclipse_preference('DOT_LEAVES').
542		obsolete_eclipse_preference('PROB2_TRACE_FILE').
543		obsolete_eclipse_preference('PROB2_TRACE_FILE_UNIQUE').
544		obsolete_eclipse_preference('SFDP').
545		obsolete_eclipse_preference('SHOW_FULL_ERROR_LOCATIONS').
546		obsolete_eclipse_preference('WARN_WHEN_EXPANDING_INFINITE_CLOSURES').
547
548
549		deprecated_eclipse_preference('KODKOD',bool,use_solver_on_load,[true/kodkod,false/prob]). % try_kodkod_on_load
550
551
552
553		print_eclipse_prefs :- findall(X,eclipse_preference(X,_),Xs), sort(Xs,SXs),
554		length(SXs,Len),
555		format('VALUE and DESCRIPTION of ~w ProB PREFERENCES~n FORMAT:~n',[Len]),
556		format(' ~w = ~w~w : ~w ==> ~w~n',['PREFERENCE','CurrentValue','(*)','Type','Description']),
557		format(' * indicates current value does not correspond to default.~n',[]),
558		member(X,SXs),
559		eclipse_preference(X,P),
560		preference_val_type(P,VT),
561		preference_description(P,Desc),
562		preference(P,Val),
563		preference_default_value(P,Def),
564		(Def=Val -> Info = '' ; Info = ' *'),
565		format(' ~w = ~w~w : ~w ==> ~w~n',[X,Val,Info,VT,Desc]),
566		fail.
567		print_eclipse_prefs :-
568		format('DESCRIPTION of ProB PREFERENCE GROUPS:~n',[]),
569		preference_group_description(Group,Desc),
570		findall(Setting,preference_group_val(Group,Setting,_,_),S),
571		sort(S,Sorted),
572		format(' * PREFERENCE GROUP ~w : SETTINGS ~w : ~w~n',[Group,Sorted,Desc]),
573		fail.
574		print_eclipse_prefs.
575
576
577		:- dynamic preference/2.
578
579		% add clause in case init_preferences forgotten
580		preference(A,B) :- format(user_error,'Preferences not initalised (~w,~w)',[A,B]),
581		init_preferences,!, preference(A,B).
582		%add_internal_error('Preferences not initialised: ',preference(A,B)),fail.
583
584
585		% ------------------
586
587		preference_default_value(maxint,3). % 2147483647
588		preference_default_value(minint,-1). %-2147483648
589		preference_default_value(number_animated_abstractions, 20).
590		preference_default_value(number_skipped_refined_machines, 0).
591		preference_default_value(globalsets_fdrange,2).
592		preference_default_value(do_invariant_checking,true).
593		preference_default_value(do_assert_checking,true).
594		%preference_default_value(do_full_invariant_checking,true).
595		%preference_default_value(use_new_kernel,false).
596		preference_default_value(find_abort_values,false).
597		preference_default_value(raise_abort_immediately,false).
598		preference_default_value(treat_outermost_pre_as_select,true).
599		preference_default_value(require_operations_to_assign_all_outputs,false).
600		preference_default_value(allow_operations_to_read_outputs,false).
601		preference_default_value(allow_operation_calls_for_uses,false).
602		preference_default_value(allow_overriding_initialisation,false).
603		preference_default_value(allow_simultaneous_assignments,false).
604		preference_default_value(allow_arith_operators_on_reals,default).
605		preference_default_value(solver_for_reals,precise_float_solver).
606		preference_default_value(cspm_animate_all_processes_without_arguments,false).
607		preference_default_value(cspm_animate_all_processes,false).
608		%preference_default_value(cspm_display_inout,false).
609		preference_default_value(cspm_detailed_animation,false).
610		preference_default_value(cspm_strip_source_location,false).
611		%preference_default_value(csp_event_visible_to_user,false).
612		%preference_default_value(cspm_allow_incomplete_records,false).
613		%preference_default_value(findOnlyOneSol,false).
614		preference_default_value(maxNrOfInitialisations,4).
615		%preference_default_value(randomisedRestartInitalisations,false).
616		preference_default_value(maxNrOfEnablingsPerOperation,10).
617		preference_default_value(time_out,2500).
618		preference_default_value(debug_time_out_factor,5).
619		%preference_default_value(use_large_jvm_for_parser,false).
620		preference_default_value(jvm_parser_heap_size_mb,0).
621		preference_default_value(jvm_parser_additional_args,'').
622		preference_default_value(jvm_parser_position_infos,true).
623		preference_default_value(jvm_parser_fastrw,false).
624		preference_default_value(jvm_parser_force_parsing,false).
625		preference_default_value(show_initialisation_arguments,true).
626		preference_default_value(deterministic_trace_replay,false).
627		%preference_default_value(animate_skip_operations,true).
628		preference_default_value(show_eventb_any_arguments,false).
629		preference_default_value(convert_comprehension_sets_into_closures,false). /* <------------ was true */
630		preference_default_value(comprehension_set_symbolic_limit,20000).
631		preference_default_value(use_clpfd_solver,true). % Default was changed from false to true on November 28 2013; commit d26b1bf1edeb29d630cf798c0773bfa1ba71219b
632		preference_default_value(clpfd_solver_label_option,ffc).
633		preference_default_value(use_chr_solver,false).
634		preference_default_value(data_validation_mode,false).
635		preference_default_value(use_smt_mode,false).
636		preference_default_value(solver_strength,0).
637		preference_default_value(remove_implied_constraints,false).
638		preference_default_value(lift_existential_quantifiers,false).
639		preference_default_value(use_common_subexpression_elimination,false). % CSE
640		preference_default_value(use_common_subexpression_also_for_predicates,true). % CSE_PRED
641		preference_default_value(use_common_subexpression_also_for_substitutions,false). % CSE_SUBST
642		preference_default_value(use_common_subexpression_wd_only,false). % CSE_WD_ONLY
643		preference_default_value(normalize_ast,false). % NORMALIZE_AST
644		preference_default_value(normalize_ast_sort_commutative,false).
645		preference_default_value(optimize_ast,true). % OPTIMIZE_AST
646		%preference_default_value(optimize_enum_set_elems,false).
647		preference_default_value(useless_code_elimination,false). % see test 1660
648		preference_default_value(compile_while_body,true). % COMPILE_WHILE
649		preference_default_value(expand_becomes_such_into_set,false). % EXPAND_BECOMES_SUCH
650		preference_default_value(warn_about_failing_assignments,false).
651		preference_default_value(detect_lambdas,true). % DETECT_LAMBDAS
652		preference_default_value(auto_detect_theory_ops,false). % AUTO_DETECT_THEORY_MAPPING
653		preference_default_value(ltsmin_guard_splitting,false).
654		preference_default_value(ltsmin_do_not_evaluate_top_level_guards,false).
655		preference_default_value(fail_if_clpfd_timeout,false).
656		%preference_default_value(allow_recursive_closures,false).
657		preference_default_value(use_static_ordering,false).
658		preference_default_value(try_use_state_packing,auto).
659		preference_default_value(use_state_packing,false). % computed
660		preference_default_value(force_state_packing_for_closures,false).
661		preference_default_value(provide_trace_information,false).
662		:- if(environ(prob_profile,true)).
663		preference_default_value(prob_profiling_on,true).
664		:- else.
665		preference_default_value(prob_profiling_on,false).
666		:- endif.
667		:- if(environ(prob_src_profile,true)).
668		preference_default_value(prob_source_profiling_on,true).
669		:- else.
670		preference_default_value(prob_source_profiling_on,false).
671		:- endif.
672		preference_default_value(performance_monitoring_on,false).
673		preference_default_value(performance_monitoring_expansion_limit,100).
674		preference_default_value(partition_predicates,true).
675		preference_default_value(partition_predicates_inline_equalities,true).
676		preference_default_value(use_closure_expansion_memoization,false).
677		preference_default_value(use_function_memoization,default).
678		preference_default_value(allow_incomplete_partial_setup_constants,false).
679		preference_default_value(re_execute_operations_with_side_effects,false).
680		preference_default_value(warn_if_definition_hides_variable,true).
681		preference_default_value(use_hygienic_definitions,false).
682		preference_default_value(type_check_definitions,false). % can consume time, see test 778; and produces error messages for some tests
683		%preference_default_value(warn_when_expanding_infinite_closures,5).
684		preference_default_value(allow_enumeration_of_infinite_types,true).
685		preference_default_value(strict_raise_warnings,false). % Default false as add_closure_warning otherwise will e.g. then be raised as errors; this can confuse predicate_evaluator into returning a not-well-defined result or everybody else relying ErrOcc arg of exit_error_scope
686		preference_default_value(strict_raise_enum_warnings,false).
687		preference_default_value(clash_strict_checks,false).
688		preference_default_value(perform_stricter_static_checks,false).
689		preference_default_value(ignore_prj_types,false).
690		%preference_default_value(never_convert_closures_into_explicit_form,false).
691		%preference_default_value(convert_types_into_closures,true).
692		%preference_default_value(convert_closures_into_explicit_form_for_store,true). % <--- maybe remove preference
693		%preference_default_value(allow_empty_global_sets,false).
694		%preference_default_value(test_case_gen_stop_at_first_error,false).
695		preference_default_value(prefix_internal_operation_arguments,'$none'). %all operations arguments are external and shown in testcases
696		preference_default_value(generate_minimal_nr_of_testcases,true).
697		preference_default_value(use_tk_custom_state_viewer,true).
698		preference_default_value(tk_custom_state_viewer_font_name,'').
699		preference_default_value(tk_custom_state_viewer_font_size,0).
700		preference_default_value(tk_custom_state_viewer_padding,0).
701		preference_default_value(tk_custom_state_viewer_str_padding,10).
702		preference_default_value(use_small_window,false).
703		preference_default_value(tk_show_source_pane,true).
704		preference_default_value(ignore_hash_collisions,false).
705		preference_default_value(forget_state_space,false).
706		preference_default_value(store_only_one_incoming_transition,false).
707		preference_default_value(mc_continue_after_error,false).
708		%preference_default_value(enable_permutation_reducation,false).
709		%preference_default_value(use_symmetry_marker_hash,false).
710		%preference_default_value(enable_canonical_symmetry,false).
711		%preference_default_value(use_nauty_symmetry_reduction,false).
712		preference_default_value(symmetry_mode,off).
713		preference_default_value(use_static_symmetry_detection,true).
714		%preference_default_value(bool_expression_as_predicate,false).
715		preference_default_value(allow_untyped_identifiers,false).
716		preference_default_value(repl_unicode,false).
717		preference_default_value(repl_cache_parsing,false).
718		preference_default_value(cache_constants,true).
719		preference_default_value(cache_operations,true).
720		preference_default_value(cache_operations_runtime_limit,0).
721		preference_default_value(cache_keep_files_open,true).
722		preference_default_value(latex_encoding,auto).
723		preference_default_value(latex_pp_greek_ids,false).
724		preference_default_value(xml_encoding,auto).
725		preference_default_value(view_probcli_errors_using_bbresults,false).
726		preference_default_value(eventtrace,false).
727		preference_default_value(store_event_transinfo,false).
728		preference_default_value(use_solver_on_load,prob).
729		%preference_default_value(try_kodkod_on_load,false).
730		preference_default_value(kodkod_for_components,true).
731		preference_default_value(kodkod_raise_warnings,false).
732		preference_default_value(kodkod_max_nr_solutions,22).
733		preference_default_value(kodkod_symmetry_level,0).
734		preference_default_value(kodkod_sat_solver,sat4j).
735		preference_default_value(smt_supported_interpreter,false).
736		preference_default_value(sat_supported_interpreter,false).
737		preference_default_value(use_record_construction,true). % was false
738		preference_default_value(seen_machines_included,false).
739		preference_default_value(allow_sequence_operators_on_strings,true).
740
741		preference_default_value(dot_print_edge_labels,true).
742		preference_default_value(dot_print_action_arguments,true).
743		preference_default_value(dot_print_functions,false).
744		preference_default_value(dot_print_self_loops,true).
745		preference_default_value(dot_print_arc_colors,true).
746		preference_default_value(dot_print_root,true).
747		%preference_default_value(dot_print_leaves,true).
748		preference_default_value(dot_print_node_ids,false).
749		preference_default_value(dot_print_transition_ids,false).
750		preference_default_value(dot_print_use_constants,true).
751		preference_default_value(dot_print_node_info,true).
752		preference_default_value(dot_use_ps_viewer,PS) :- host_platform(X),
753		(X = darwin -> PS = true % on recent macOS platforms all GraphViz Dotty viewers seem broken
754		; X=windows -> PS = true % GraphViz no longer seems to distribute the Dotty viewer
755		; PS=false).
756		preference_default_value(path_to_dot,Path) :- try_get_program_path('dot',Path).
757		preference_default_value(dot_default_engine,dot).
758		preference_default_value(path_to_dotty,VIEWER) :- (possible_program(dot_viewer,E) -> VIEWER=E ; VIEWER ='dotty').
759		%preference_default_value(path_to_dotty,'/Applications/OmniGraffle/OmniGraffle.app/Contents/MacOS/OmniGraffle').
760		preference_default_value(path_to_ltsmin,'./lib/'). % Path to where we can find prob2lts min commands like prob2lts-sym; default means we look in lib
761		preference_default_value(path_to_ps_viewer,VIEWER) :-
762		(possible_program(pdf_viewer,E) -> VIEWER=E ; VIEWER ='gv').
763		preference_default_value(path_to_latex,Path) :- try_get_program_path('pdflatex',Path).
764		%preference_default_value(path_to_ps_viewer,'open -a /Applications/Preview.app') :- host_platform(darwin).
765		%preference_default_value(path_to_ps_viewer,'C:/Program Files/Ghostgum/gsview/gsview32') :- host_platform(windows).
766		%preference_default_value(path_to_ps_viewer,'gv') :- host_platform(linux) ; host_platform(unknown).
767		%preference_default_value(path_to_ps_viewer,'open -a /Applications/MacGhostViewX_Folder/MacGhostViewX.app').
768		preference_default_value(dot_root_shape,invtriangle).
769		preference_default_value(dot_node_penwidth,2).
770		preference_default_value(dot_edge_penwidth,1).
771		preference_default_value(dot_normal_node_shape,box). % egg,ellipse
772		preference_default_value(dot_current_node_shape,doubleoctagon).
773		preference_default_value(dot_open_node_colour,'#F4E3C1'). %'#E88C59' '#C96D37'
774		preference_default_value(dot_scope_limit_node_colour,gray).
775		preference_default_value(dot_normal_node_colour,'#99BF38').
776		preference_default_value(dot_invariant_violated_node_colour,'#FF3800'). %'#FF4409'
777		preference_default_value(dot_fill_normal_nodes,false).
778		preference_default_value(dot_normal_arc_colour,'#006391').
779		preference_default_value(dot_node_font_size,12).
780		preference_default_value(dot_edge_font_size,12).
781		preference_default_value(dot_with_page_size,true).
782		preference_default_value(dot_horizontal_layout,false).
783		preference_default_value(dot_colour_goal_nodes,true).
784		preference_default_value(dot_goal_node_colour,orange).
785		preference_default_value(dot_print_node_properties,false).
786		preference_default_value(dot_counterexample_node_colour,brown).
787		preference_default_value(dot_counterexample_op_colour,brown).
788		preference_default_value(dot_hierarchy_max_ids,0).
789		preference_default_value(dot_hierarchy_group_includes,false).
790		preference_default_value(cbc_provide_explanations,false).
791
792		preference_default_value(successful_rule_colour,'#4caf504d').
793		preference_default_value(failed_rule_colour,'#cc2f274d').
794		preference_default_value(disabled_rule_colour,lightgray).
795		preference_default_value(not_checked_rule_colour,white).
796		preference_default_value(rule_graph_shape,ellipse).
797		preference_default_value(executed_computation_colour,'#4caf504d').
798		preference_default_value(not_executed_computation_colour,white).
799		preference_default_value(disabled_computation_colour,lightgray).
800		preference_default_value(computation_graph_shape,rectangle).
801		preference_default_value(succeeded_dependency_colour,'#4caf50').
802		preference_default_value(failed_dependency_colour,'#cc2f27').
803		preference_default_value(normal_dependency_colour,black).
804
805		preference_default_value(dot_event_hierarchy_horizontal,true).
806		preference_default_value(dot_event_hierarchy_machine_colour,gray95).
807		preference_default_value(dot_event_hierarchy_refines_colour,'#C0A060'). % Dark Khaki; see http://www.gpeters.com/color/color-schemes.php?search_term=Art+Nouveau
808		preference_default_value(dot_event_hierarchy_new_event_colour,'#C06040'). % Coral '#C08040'). % Peru
809		preference_default_value(dot_event_hierarchy_rename_event_colour,'#E0E0A0'). % Pale Goldenrod
810		preference_default_value(dot_event_hierarchy_rename_unchanged_event_colour,'#E0F0E0'). % Honeydew
811		preference_default_value(dot_event_hierarchy_unchanged_event_colour,gray92).
812		preference_default_value(dot_event_hierarchy_grd_strengthening_event_colour,gray83).
813		preference_default_value(dot_event_hierarchy_grd_keeping_event_colour,'#E0C080'). % Burlywood
814		preference_default_value(dot_event_hierarchy_edge_colour,'#806040'). % Sienna
815		preference_default_value(dot_event_hierarchy_extends_colour,gray50).
816		preference_default_value(dot_hierarchy_show_extra_detail,false).
817
818		preference_default_value(dot_projection_non_det_edge_colour,'#806040'). % Sienna; alternative :#A06040 Light Salmon
819		preference_default_value(dot_projection_det_edge_colour,black).
820		preference_default_value(dot_projection_non_definite_edge_style,dashed).
821		preference_default_value(dot_projection_definite_edge_style,solid).
822		preference_default_value(dot_projection_label_limit,75).
823		preference_default_value(dot_projection_process_only_explored,false).
824		preference_default_value(dot_use_unicode,true).
825		preference_default_value(dot_predicate_node_shape,rect).
826		preference_default_value(dot_expression_node_shape,record).
827		preference_default_value(dot_var_mod_hide_only_written,false).
828
829
830		preference_default_value(mc_dc_default_level,2).
831
832		preference_default_value(dot_enabling_show_readwrites,true).
833
834		preference_default_value(dot_definitions_use_sub_graph,true).
835		preference_default_value(dot_definitions_show_all,false).
836		preference_default_value(dot_state_graph_decompose,true).
837
838		preference_default_value(font_size,'Monaco 12') :- host_platform(darwin).
839		% Monaco looks better than Courier on Mac, Consolas
840		% Note: ctext seems to use a non-monospaced font for TkFixedFont
841		preference_default_value(font_size,'TkFixedFont 12') :- host_platform(X), X\==darwin. % alternative: Courier, Monaco, Consolas
842		preference_default_value(font_name,'Monaco') :- host_platform(darwin).
843		preference_default_value(font_name,'TkFixedFont') :- host_platform(X), X\==darwin. % alternative: Courier, Monaco
844		preference_default_value(font_size_only,12).
845		preference_default_value(use_font_size_for_columns,false).
846		preference_default_value(allow_source_code_editing,true).
847		preference_default_value(show_line_numbers,false).
848		%preference_default_value(show_full_error_span,true).
849		preference_default_value(highlight_brackets,true).
850		preference_default_value(highlight_current_line,true).
851		preference_default_value(ask_when_content_changed,false).
852		preference_default_value(user_not_beginner,false).
853		preference_default_value(user_is_an_expert_with_accessto_source_distribution,false).
854		%preference_default_value(default_to_runtime_type_checking_on_startup_for_expert,false).
855		preference_default_value(path_to_probe,'C:/probe/probe-1.30-windows/probe.exe') :- host_platform(windows).
856		preference_default_value(path_to_probe,'more') :- host_platform(X), X\==windows.
857		preference_default_value(path_to_spin,'xspin').
858		preference_default_value(path_to_cspm,'/usr/bin/cspm').
859		preference_default_value(path_to_text_editor,EDITOR) :-
860		(possible_program(editor,E) -> EDITOR=E ; EDITOR ='').
861		preference_default_value(path_to_text_editor_launch,EDITOR) :-
862		(possible_program(editor_launch,E) -> EDITOR=E ; EDITOR ='vi').
863		%preference_default_value(path_to_fuzz,'fuzz').
864		preference_default_value(path_to_fdr,'fdr2').
865		preference_default_value(path_to_csp_typechecker,FDR3) :-
866		(possible_program(fdr3,E) -> FDR3=E ; FDR3 ='refines').
867		preference_default_value(path_to_bcomp,'bcomp').
868		preference_default_value(path_to_atb_krt,Default) :- try_get_program_path('krt',Default).
869		preference_default_value(path_to_java,Default) :- try_get_program_path('java',Default).
870		preference_default_value(path_to_java_parser,''). % use default probcliparser.jar in lib folder
871		preference_default_value(try_atb_provers,false).
872		preference_default_value(smtlib2b_arrays_as_sets,false).
873		preference_default_value(smtlib2b_cleanup_predicate,false).
874		preference_default_value(symbolic_mc_try_other_solvers,false).
875		preference_default_value(ltl_to_ba_tool,'lib/ltl2ba').
876		preference_default_value(path_to_clingo,Default) :- try_get_program_path(clingo,Default).
877
878		preference_default_value(number_of_recent_documents,25).
879		preference_default_value(number_of_searched_patterns,9).
880		preference_default_value(number_of_replaced_patterns,9).
881		preference_default_value(number_of_eval_history_elements,50).
882		preference_default_value(number_of_eval_csp_history_elements,50).
883		preference_default_value(number_of_checked_ltl_formulas,20).
884
885		preference_default_value(do_syntax_highlighting,true).
886		preference_default_value(sh_type_colour,darkred).
887		preference_default_value(sh_logical_colour,tomato).
888		preference_default_value(sh_assignments_colour,darkslateblue).
889		preference_default_value(sh_operators,'#5883be').
890		preference_default_value(sh_top_level_keywords,blue).
891		preference_default_value(sh_control_keywords,darkviolet).
892		%preference_default_value(sh_includes_keywords,darkslateblue).
893		preference_default_value(sh_comments,'#784e50').
894		preference_default_value(sh_pragmas,'#5b5b5b').
895		preference_default_value(sh_unsupported_background,yellow).
896
897		preference_default_value(expand_forall_upto,100).
898		preference_default_value(double_evaluation_when_analysing,true).
899		:- if(environ(prob_safe_mode,true)).
900		preference_default_value(prob_safe_mode,true).
901		:- else.
902		preference_default_value(prob_safe_mode,false).
903		:- endif.
904		preference_default_value(expand_avl_upto,100).
905		preference_default_value(show_bvisual_formula_explanations,false).
906		preference_default_value(show_bvisual_formula_functor_from,Val) :-
907		(get_prob_application_type(tcltk) -> Val=0 ; Val = -1). % disable for ProB2
908		preference_default_value(show_bvisual_proof_info_icons,Val) :-
909		(get_prob_application_type(tcltk) -> Val=true ; Val = false). % disable for ProB2
910		preference_default_value(formula_tree_minimal_timeout,1000).
911		preference_default_value(formula_tree_maximal_timeout,30000).
912		preference_default_value(show_function_tuples_in_property,true).
913		preference_default_value(bugly_pp_scrambling,false).
914		preference_default_value(pp_propositional_logic_mode,false).
915		preference_default_value(pp_wd_infos,false).
916		preference_default_value(pp_with_terminal_colour,false).
917		preference_default_value(wd_ignore_external_funs,false).
918		preference_default_value(wd_skip_finite_pos,false).
919		preference_default_value(wd_analysis_for_animation,true).
920		preference_default_value(z3_solve_for_animation,true).
921		preference_default_value(add_wd_pos_for_z3,true).
922		preference_default_value(do_not_print_wd_errors,false).
923
924		preference_default_value(allow_new_ops_in_refinement,false).
925		preference_default_value(allow_local_operation_calls,false).
926		preference_default_value(allow_operation_calls_in_expr,false).
927		preference_default_value(allow_let_to_reuse_introduced_ids,false).
928		preference_default_value(use_po,true).
929		preference_default_value(try_operation_reuse,auto).
930		preference_default_value(try_operation_reuse_for_invariants,true).
931		preference_default_value(operation_reuse_setting,false).
932		preference_default_value(randomise_operation_order,false).
933		preference_default_value(randomise_enumeration_order,false).
934		preference_default_value(perform_enumeration_order_analysis,true).
935		preference_default_value(set_rand,false).
936		preference_default_value(rand_seed,2342452).
937
938		preference_default_value(use_cbc_analysis,true).
939		preference_default_value(timeout_cbc_analysis,300).
940
941		preference_default_value(use_scope_predicate,true).
942		preference_default_value(use_ignore_pragmas,false).
943
944		preference_default_value(alloy_use_implementable_integers,false).
945		preference_default_value(alloy_scopeless_translation,false).
946		preference_default_value(alloy_translation_for_proof,false).
947		preference_default_value(alloy_strict_integers,true).
948
949		preference_default_value(sequent_prover_rodin_mode,false).
950
951		%preference_default_value(pge,off).
952		preference_default_value(por,off).
953		preference_default_value(por_heur,random).
954		preference_default_value(use_safety_ltl_model_checker,true).
955
956		preference_default_value(enable_graph,false).
957		preference_default_value(enable_graph_depth,1).
958
959		preference_default_value(dependency_enable_predicates,false).
960
961		preference_default_value(filter_unused_constants,false).
962		preference_default_value(translate_force_all_typing_infos,false).
963		preference_default_value(translate_print_typing_infos,false).
964		preference_default_value(translate_print_frozen_infos,false).
965		preference_default_value(translate_ids_to_parseable_format,false).
966		preference_default_value(translate_suppress_rodin_positions_flag,false).
967		preference_default_value(translate_print_all_sequences,false).
968		preference_default_value(translate_print_cs_style_sequences,false).
969		preference_default_value(translation_limit_for_table_commands,100).
970		preference_default_value(visb_allow_variables_for_objects,Res) :-
971		(prob_application_type(tcltk) -> Res=true ; Res=false).
972		preference_default_value(visb_show_debug_infos,false).
973
974		preference_default_value(trace_generation_limit,100).
975		preference_default_value(trace_generation_time_out,2147483646). % disabled
976
977		/* Disprover mode - deactivates some optimizations only valid for animation */
978		preference_default_value(disprover_mode,false).
979		preference_default_value(allow_improving_wd_mode,false).
980		preference_default_value(trace_upon_error,false).
981		preference_default_value(error_log_file,'').
982		preference_default_value(tlc_number_of_workers,2).
983		preference_default_value(tlc_use_prob_constant_setup,false).
984		preference_default_value(unsat_core_algorithm,linear_greedy).
985
986		preference_default_value(port, 6000). % on macOS Monterey 5000 and 7000 are now used by control center
987		preference_default_value(ip, localhost).
988		preference_default_value(max_states, 0).
989		preference_default_value(tmpdir, '/tmp/').
990		preference_default_value(logdir, './distb-logs/').
991		preference_default_value(proxynumber, 0).
992		preference_default_value(queue_threshold, 20). /* TODO: this is not used an implemented in the proxy (pk, 12.01.18) */
993		preference_default_value(hash_cycle, 25).
994		preference_default_value(cdclt_perform_static_analysis, true).
995		preference_default_value(cdclt_perform_symmetry_breaking, false).
996		preference_default_value(cdclt_use_idl_theory_solver, false).
997		preference_default_value(prob_version_info,Version) :- version_str(Version).
998		preference_default_value(prob_revision_info,Rev) :- revision(Rev).
999		preference_default_value(prob_lastchangedate_info,D) :- lastchangeddate(D).
1000
1001		preference_default_value(xtl_safe_mode,false).
1002
1003		preference_default_value(machines_path,Dir) :-
1004		catch(absolute_file_name(examples('.'),Dir),_,Dir='.').
1005
1006
1007
1008		:- use_module(library(file_systems),[file_exists/1,directory_exists/1]).
1009		try_get_program_path(Name,Path) :-
1010		(possible_program(Name,R) -> Path=R
1011		; Path=Name). % hope in PATH
1012	?	possible_program(Type,E) :- host_platform(P),possible_program_aux(Type,P,E),
1013		%format('Trying program ~w for ~w on platform ~w.~n',[E,Type,P]),
1014		(file_exists(E) -> true ; P=darwin, directory_exists(E)).
1015		%format('Found program ~w for ~w on platform ~w.~n',[E,Type,P]).
1016
1017		:-use_module(library(system),[environ/2]).
1018		possible_program_aux(editor_launch,darwin,'/usr/local/bin/bbedit').
1019		possible_program_aux(editor_launch,darwin,'/usr/local/bin/edit'). % Text Wrangler
1020		possible_program_aux(editor_launch,_,PATH) :- environ('EDITOR',PATH).
1021		possible_program_aux(editor_launch,darwin,'/usr/local/bin/atom').
1022		possible_program_aux(editor_launch,linux,'/usr/local/bin/atom').
1023		possible_program_aux(editor_launch,linux,'/usr/bin/kwrite').
1024		possible_program_aux(editor_launch,linux,'/usr/bin/gedit').
1025		possible_program_aux(editor_launch,linux,'/usr/bin/vim').
1026		possible_program_aux(editor,darwin,'/Applications/BBEdit.app').
1027		possible_program_aux(editor,darwin,'/Applications/TextWrangler.app').
1028		possible_program_aux(editor,darwin,'/Applications/Atom.app').
1029		possible_program_aux(editor,darwin,'/Applications/Sublime Text 2.app').
1030		possible_program_aux(editor,darwin,'/Applications/TextMate.app').
1031		possible_program_aux(editor,darwin,'/Applications/TextEdit.app').
1032		possible_program_aux(editor,_,PATH) :- environ('EDITOR',PATH). % this is the Path in the Terminal; maybe the user wants other programs for the Tcl/Tk GUI; hence this is the last lookup
1033		possible_program_aux(pdf_viewer,darwin,'/Applications/Preview.app') :- prob_application_type(tcltk). % probcli cannot use open -a yet.
1034		possible_program_aux(pdf_viewer,darwin,'/usr/bin/open').
1035		possible_program_aux(pdf_viewer,linux,'/usr/bin/okular'). % KDE
1036		possible_program_aux(pdf_viewer,linux,'/usr/bin/evince'). % GNOME
1037		possible_program_aux(pdf_viewer,windows,'C:/Program Files/Ghostgum/gsview/gsview32').
1038		possible_program_aux(dot_viewer,darwin,'/Applications/MacPorts/Graphviz.app') :- % only version that seems to run on mac
1039		% sudo port install graphviz-gui (see https://ports.macports.org/port/graphviz-gui/)
1040		prob_application_type(tcltk).
1041		possible_program_aux(dot_viewer,darwin,'/Applications/Graphviz.app') :- prob_application_type(tcltk). % probcli cannot use open -a yet
1042		possible_program_aux(dot_viewer,darwin,'/Applications/OmniGraffle.app') :- prob_application_type(tcltk).
1043		possible_program_aux(dot_viewer,darwin,'/Applications/Visual Studio Code.app') :-
1044		% using Graphviz Interactive Preview extension
1045		prob_application_type(tcltk).
1046		possible_program_aux(dot_viewer,darwin,'/usr/bin/open').
1047		possible_program_aux(dot_viewer,windows,'C:/Program Files/Graphviz2.38/bin/dotty.exe').
1048		possible_program_aux(dot_viewer,windows,'C:/Program Files (x86)/Graphviz2.38/bin/dotty.exe').
1049		possible_program_aux(krt,darwin,'/Applications/AtelierB.app/AB/bbin/macosx/krt').
1050		possible_program_aux(krt,darwin,'/Applications/atelierb-free-arm64-24.04.2.app/Contents/Resources/bin/krt').
1051		%possible_program_aux(krt,darwin,'/Applications/atelierb-full-4.6.0-rc4.app/Contents/Resources/bbin/macosx/krt'). % set DYLD_VERSIONED_LIBRARY_PATH ?
1052		possible_program_aux(java,windows,'C:/Program Files/Java/jre7/bin/java.exe').
1053		possible_program_aux(java,P,'/usr/bin/java') :- unix(P).
1054		possible_program_aux(fdr3,darwin,'/Applications/FDR3.app/Contents/MacOS/refines').
1055		possible_program_aux(fdr3,darwin,'/Applications/FDR4.app/Contents/MacOS/refines').
1056		%possible_program_aux(sfdp,P,'/usr/local/bin/sfdp') :- unix(P).
1057		possible_program_aux(dot,P,'/usr/local/bin/dot') :- unix(P).
1058		possible_program_aux(dot,darwin,'/opt/homebrew/bin/dot'). % location of new homebrew on M1/Arm Macs
1059		% full location is e.g. /opt/homebrew/Cellar/graphviz/8.0.1/bin/dot
1060		possible_program_aux(dot,P,'/opt/local/bin/dot') :- unix(P). % e.g., location of MacPorts
1061		possible_program_aux(dot,P,'/usr/bin/dot') :- P=linux.
1062		possible_program_aux(pdflatex,P,'/usr/local/texlive/2016/bin/x86_64-darwin/pdflatex') :- P=darwin.
1063		possible_program_aux(pdflatex,P,'/usr/local/texlive/2019/bin/x86_64-darwin/pdflatex') :- P=darwin.
1064		possible_program_aux(pdflatex,P,'/usr/local/bin/pdflatex') :- unix(P).
1065		possible_program_aux(pdflatex,P,'/opt/local/bin/pdflatex') :- unix(P).
1066		possible_program_aux(open,darwin,'/usr/bin/open').
1067		possible_program_aux(open,linux,'xdg-open').
1068		possible_program_aux(open,windows,'start').
1069		possible_program_aux(clingo,darwin,'/opt/homebrew/bin/clingo').
1070
1071
1072		unix(darwin).
1073		unix(linux).
1074
1075		/* ------------------------- */
1076
1077		% now in basic_tests.pl
1078		%:- assert_must_succeed( \+((preference_description(P,_D),\+preference_default_value(P,_Val)))).
1079		%:- assert_must_succeed( \+((preference_default_value(P,_D), \+preference_description(P,_Val)))).
1080		preference_description(maxNrOfInitialisations,'Max Number of Initialisations and Constant-Setups Computed').
1081		%preference_description(randomisedRestartInitalisations,'Use Randomised Restart for Initialisation and Constant Setup (only makes sense if RANDOMISE_ENUMERATION_ORDER is set; for an operation OP use MAX_OPERATIONS_OP == -Nr)').
1082		% now we can use MAX_OPERATIONS_INITIALISATION == -Nr
1083		preference_description(maxNrOfEnablingsPerOperation,'Max Number of Enablings per Operation Computed').
1084		preference_description(time_out,'Time out for computing enabled transitions (in ms, is multiplied by a factor for other computations, value 2147483646 turns time outs off)').
1085		preference_description(globalsets_fdrange,'Size of unspecified deferred sets in SETS section').
1086		preference_description(maxint,Desc) :-
1087		(get_prob_application_type(rodin)
1088		-> Desc='maximum value for unbounded integer enumerations'
1089		; Desc='value of MAXINT, controls enumeration of integers and used to define NAT in classical B (2147483647 for 32 bit ints)').
1090		preference_description(minint,Desc) :-
1091		(get_prob_application_type(rodin)
1092		-> Desc='minimum value for unbounded integer enumerations'
1093		; Desc='value of MININT, controls enumeration of integers and used to define INT in classical B (-2147483648 for 32 bit ints)'). % Atelier-B uses 2147483647
1094		preference_description(number_animated_abstractions,'How many levels of refined Event-B models are animated by default').
1095		preference_description(number_skipped_refined_machines,'How many levels of concrete Event-B refinements are skipped for animation').
1096		%preference_description(findOnlyOneSol,'Find only one solution per Operation or Initialisation').
1097		preference_description(debug_time_out_factor,'Debug Properties: Multiplying Factor for Timeout').
1098		%preference_description(use_large_jvm_for_parser,'Use large Heap and Stack size for Java Parser').
1099		preference_description(jvm_parser_heap_size_mb,'Heap size in MB for Java parser (-Xmx JVM option, 0 means default value)').
1100		preference_description(jvm_parser_additional_args,'Additional arguments sent to the JVM for the Java parser (e.g., "-XX:+UseG1GC -Xss5m")').
1101		preference_description(jvm_parser_position_infos,'Produce detailed position information in the Java parser (turn off to reduce memory consumption for very large B machines; change requires restarting ProB)').
1102		preference_description(jvm_parser_fastrw,'Use binary (fastrw) format for .prob files for faster loading').
1103		preference_description(jvm_parser_force_parsing,'Always parse B machines even if .prob file is up-to-date').
1104		preference_description(do_invariant_checking,'Check invariant while animating and model checking').
1105		preference_description(do_assert_checking,'Check ASSERT statements while animating and model checking').
1106		%preference_description(do_neginvariant_checking,'Check negation of invariant').
1107		%preference_description(do_full_invariant_checking,'Check types when checking invariant').
1108		%preference_description(use_new_kernel,'Use new Kernel (only some basic operations supported, only fore PRE and INITs)').
1109		preference_description(find_abort_values,'Try more aggressively to detect not well-defined expressions (e.g. applying function outside of domain), may slow down animator; possible values false,true,full').
1110		preference_description(raise_abort_immediately,'Raise potential well-definedness issues immediately (may lead to false spurious alarms, but can allow to better detect WD issues which lead to timeouts; possible values false,true,full)').
1111		preference_description(cspm_animate_all_processes,'Animate all CSP-M processes (also processes with arguments)').
1112		preference_description(cspm_animate_all_processes_without_arguments,'Animate all CSP-M processes without arguments (not just MAIN)').
1113		%preference_description(cspm_display_inout,'Display unsynchronised inputs/outputs as ?/!').
1114		preference_description(cspm_detailed_animation,'Provide more fine-grained source-location animation for CSP (can slow model checking down)').
1115		preference_description(cspm_strip_source_location,'Strip CSP source-location information (for RHS of processes, except for internal choice)').
1116		%preference_description(csp_event_visible_to_user,'Return the CSP event as visible event to the user (option only relevant for models in \'CSP || B\' mode).').
1117		%preference_description(cspm_allow_incomplete_records,'Allow construction of incomplete records (e.g., for Casper files)').
1118		preference_description(use_clpfd_solver,'Use CLP(FD) solver for B integers (restricts range to -2^28..2^28-1 on 32 bit machines)').
1119		preference_description(clpfd_solver_label_option,'CLP(FD) labeling option used: ffc (default), occurence, ff, leftmost, min, max, max_regret, dom_w_deg, anti_first_fail (see SICStus manual)').
1120		preference_description(use_chr_solver,'Use CHR based solver. Should speed up detection of unsolvable predicates, but might slow down solving in general.').
1121		preference_description(data_validation_mode,'Assume everything can be computed without constraint solving.').
1122		preference_description(convert_comprehension_sets_into_closures,'Lazy expansion of lambdas and set comprehensions (i.e., keep them symbolic by default even if smaller than SYMBOLIC_LIMIT)').
1123		preference_description(comprehension_set_symbolic_limit,'Limit for expanding comprehension sets (comprehension sets known to be larger than limit will be kept symbolic)').
1124		preference_description(use_smt_mode,'Enable SMT-Mode (more aggressive enumeration of case distinctions inside predicates compared to enumeration of data values)'). % will be set automatically in CBC mode; should normally not be set by user
1125		preference_description(solver_strength,'Strength of certain Solver propagations (0 is default)').
1126		preference_description(remove_implied_constraints,'Remove unnecessary constraints implied by other constraints').
1127		preference_description(lift_existential_quantifiers,'Lift existential quantifiers, i.e., treat existentially quantified variables like ordinary variables').
1128		preference_description(use_common_subexpression_elimination,'Enable CSE (Common Subexpression Elimination)').
1129		preference_description(use_common_subexpression_also_for_predicates,'Apply CSE (if enabled) also to predicates').
1130		preference_description(use_common_subexpression_also_for_substitutions,'Apply CSE (if enabled) also to substitutions (operation/event bodies) [EXPERIMENTAL]').
1131		preference_description(use_common_subexpression_wd_only,'Apply CSE (if enabled) only to well-defined sub-formulas').
1132		preference_description(normalize_ast,'Normalize AST before passing to ProB kernel (rewrites many B predicates into simpler form)').
1133		preference_description(normalize_ast_sort_commutative,'Sort commutative operators (useful with NORMALIZE_AST to try detect equivalent formulas)').
1134		preference_description(optimize_ast,'Optimize AST (Abstract Syntax Tree) before passing to ProB kernel (rewrites many B predicates into more efficient form)').
1135		%preference_description(optimize_enum_set_elems,'Optimize type checking and compilation of sets containing enumerated set elements; assumes enumerated set ids are not used as quantifier ids'). % in future this preference will disappear and ProB will do safe detection automatically
1136		preference_description(useless_code_elimination,'Useless Code Elimination: try and find useless statements which have no influence on the result of an operation.').
1137		preference_description(compile_while_body,'Compile bodies of WHILE loops if variant large').
1138		preference_description(expand_becomes_such_into_set,'Convert becomes_such x:(Pred) into x::{x|Pred} (can be more efficient within complex statements)').
1139		preference_description(warn_about_failing_assignments,'Warn when assignments (x :: Set or x:(Pred)) fail in classical B (in Event-B these are already considered errors). Also warn about failure within sequential composition.').
1140		preference_description(detect_lambdas,'Detect set comprehensions which can be rewritten into lambdas.').
1141		preference_description(auto_detect_theory_ops,'Try and detect mappings of Rodin axiomatic theory operators based on name.').
1142		preference_description(ltsmin_guard_splitting,'Detect GUARDS of operations which do not depend on parameters (for LTSMin); these guards will not be evaluated by the interpreter when ltsmin_do_not_evaluate_top_level_guards is true').
1143		preference_description(ltsmin_do_not_evaluate_top_level_guards,'Do not evaluate top-level GUARDS detected when true (for guards detected by ltsmin_guard_splitting) or full (for all top-level guards for PGE)').
1144		preference_description(fail_if_clpfd_timeout,'Assume failure if posting a CLP(FD) constraint times-out').
1145		%preference_description(allow_recursive_closures,'Lazy expansion of *Recursive* set Comprehensions and lambdas').
1146		preference_description(use_static_ordering,'Use static ordering to enumerate constants which occur in most PROPERTIES first'). % sort properties
1147		preference_description(try_use_state_packing,'Use more aggressive COMPRESSION when storing states (false: off, true: compromise between speed and memory, full: preserve more memory, auto: use heuristic)').
1148		preference_description(use_state_packing,'Computed actual value of COMPRESSION preference').
1149		preference_description(force_state_packing_for_closures,'Use more aggressive COMPRESSION when storing states with symbolic closures'). % only has influence if use_state_packing is not already full
1150		preference_description(provide_trace_information,'Provide various tracing information on the terminal about PROPERTIES, INITIALISATION,...').
1151		preference_description(prob_profiling_on,'Keep track of ProB profiling information (e.g., for time spent in operations or memoized function calls)').
1152		preference_description(prob_source_profiling_on,'Keep track of ProB source profiling information (e.g., which parts of the B source code is covered)').
1153		preference_description(performance_monitoring_on,'Provide performance monitoring information on the terminal/console.').
1154		preference_description(performance_monitoring_expansion_limit,'Limit in ms for printing warnings when expanding comprehension sets in performance monitoring mode.').
1155		preference_description(partition_predicates,'Partition predicates (PROPERTIES) into components').
1156		preference_description(partition_predicates_inline_equalities,'Inline equalities when partitioning into components').
1157		preference_description(use_closure_expansion_memoization,'MEMOize expansions of set comprehensions and lambda abstractions.').
1158		preference_description(use_function_memoization,'MEMOIZE function applications of all functions defined in ABSTRACT_CONSTANTS (default means only memoize functions annotated /*@desc memo */).').
1159		preference_description(allow_incomplete_partial_setup_constants,'Allow ProB to proceed even if only part of the CONSTANTS have been found.').
1160		preference_description(re_execute_operations_with_side_effects,'Re-execute operations with side-effects in the animator (only works for the forward button at the moment).').
1161		preference_description(warn_if_definition_hides_variable,'Warn if a DEFINITION hides a variable with the same name').
1162		preference_description(use_hygienic_definitions,'Automatically create LETs for DEFINITION parameters to avoid variable capture and avoid code duplication'). % autmatically enabled for Alloy and TLA+
1163		preference_description(type_check_definitions,'Type check all visible DEFINITIONs (not just used ones)').
1164		%preference_description(warn_when_expanding_infinite_closures,'Warn when expanding infinite closures if MAXINT larger than: ').
1165		preference_description(allow_enumeration_of_infinite_types,'Allow enumeration of infinite types').
1166		preference_description(strict_raise_warnings,'Treat warnings as errors (Warning: can generate spurious NOT-WELL-DEFINED messages).').
1167		preference_description(strict_raise_enum_warnings,'Treat ENUMERATION warnings (aka VIRTUAL TIME-OUTS) as errors (Warning: can generate spurious NOT-WELL-DEFINED messages).').
1168		preference_description(clash_strict_checks,'Do a stricter checking for name CLASHES in B machines').
1169		preference_description(perform_stricter_static_checks,'Perform stricter additional static checks on formulas (automatically set by ProB).').
1170		preference_description(ignore_prj_types,'Ignore types of prj1 and prj2 (i.e., prj1({1},{1})(2,3) is considered well-defined').
1171
1172		%preference_description(never_convert_closures_into_explicit_form,'Never convert closures back into explicit form (only use for debugging !)').
1173		%preference_description(convert_types_into_closures,'Lazy expansion of type expressions (POW,-->,...)').
1174		%preference_description(convert_closures_into_explicit_form_for_store,'Convert lazy form back into explicit form for Variables, Constants, Operation Arguments').
1175		%preference_description(allow_empty_global_sets,'Allow empty global SETs').
1176		%preference_description(test_case_gen_stop_at_first_error,'Stop at first error in test case generation').
1177		preference_description(prefix_internal_operation_arguments,'Prefix of internal operation arguments (these are not included in test cases)').
1178		preference_description(generate_minimal_nr_of_testcases,'Generate minimal suite of mcm testcases (and not one per event)').
1179		preference_description(use_tk_custom_state_viewer,'Use custom Tk viewer to represent state of B Machine').
1180		preference_description(tk_custom_state_viewer_font_name,'Font for animation strings (if empty, the editor font will be used)').
1181		preference_description(tk_custom_state_viewer_font_size,'Font size for animation strings (if 0, the editor font size will be used)').
1182		preference_description(tk_custom_state_viewer_padding,'Padding (in pixels) between images of custom TK state viewer').
1183		preference_description(tk_custom_state_viewer_str_padding,'Padding (in pixels) between strings of custom TK state viewer').
1184		preference_description(use_small_window,'Use a small main window for ProB (useful on small screens)').
1185		preference_description(tk_show_source_pane,'Show the B Source Code').
1186		preference_description(ignore_hash_collisions,'Ignore hash collisions in state space (if true not all states may be computed!)').
1187		preference_description(forget_state_space,'Do not remember state space (mainly useful in conjunction with IGNORE_HASH_COLLISIONS)').
1188		preference_description(store_only_one_incoming_transition,'Only store one incoming transition/operation per reached state. Can be used when model checking of safety properties (invariants, goal, assertions). Do not use for LTL model checking, deadlock checking or animation.'). % TO DO: check config
1189		preference_description(mc_continue_after_error,'Continue model checking even after an error or goal has been found').
1190		%preference_description(enable_permutation_reducation,'Enable Permutation Flooding').
1191		%preference_description(use_symmetry_marker_hash,'Use Symmetry Hash Marker').
1192		%preference_description(enable_canonical_symmetry,'Enable Symmetry Reduction by Canonical Form Computation').
1193		%preference_description(use_nauty_symmetry_reduction,'Use Nauty ((c) McKay) C Library for Symmetry Reduction with Canonical Form Computation').
1194		preference_description(symmetry_mode,'Symmetry Mode: off,flood,canon,nauty,hash').
1195		preference_description(use_static_symmetry_detection,'Detect symmetries in forall/exists and in PROPERTIES for deferred sets').
1196		%preference_description(bool_expression_as_predicate,'Extended Predicate Syntax (allow p&q as syntactic sugar for (p=TRUE) & (q=TRUE), only possible in REPL and DEPRECATED)' ).
1197		preference_description(allow_untyped_identifiers,'Allow UNTYPED identifiers (they will be assigned new deferred sets as type)' ).
1198		preference_description(repl_unicode,'Use UNICODE in REPL and editing window').
1199		preference_description(repl_cache_parsing,'Cache parsing in REPL (useful if same formula gets parsed multiple times, e.g., for Latex processing)').
1200		preference_description(cache_constants,'Cache constant values when -cache is activated'). % value_persistance
1201		preference_description(cache_operations,'Cache operations/events when -cache is activated'). % ditto
1202		preference_description(cache_operations_runtime_limit,'Minimal runtime for operations to be stored in -cache').
1203		preference_description(cache_keep_files_open,'Keep some cache files open for performance (may hinder parallel access, in particular under Windows)').
1204		preference_description(latex_encoding,'Encoding used for Latex processing with -latex (auto,ISO-8859-1,ISO-8859-2,UTF-8,UTF-16,...)').
1205		preference_description(latex_pp_greek_ids,'Prety-print Greek identifiers (Sigma,...) in Latex mode').
1206		preference_description(xml_encoding,'Encoding used for XML processing, e.g., with -logxml (auto,ISO-8859-1,ISO-8859-2,UTF-8,UTF-16,...)').
1207		preference_description(view_probcli_errors_using_bbresults,'Show probcli errors using the BBEdit (11.6 or newer) bbresults command').
1208
1209		preference_description(eventtrace,'Store detailed trace for each execution of a Rodin event or classical B operation (may cause large memory requirement and additional transitions in state space)'). % detailed info with guards, simulation errors, ... or path(.) for classical B
1210		preference_description(store_event_transinfo,'Store information about parameters and abstract events for each execution of a Rodin event (may cause larger memory requirement)'). % just event(Name,Parameters) trace
1211		preference_description(use_solver_on_load,'Use this solver for PROPERTIES when loading machines').
1212		%preference_description(try_kodkod_on_load,'Apply translation to KODKOD on PROPERTIES when loading machines').
1213		preference_description(kodkod_for_components,'Translate only complete components to KODKOD (false allows partial translations)'). % and full throws enumeration warning if translation fails
1214		preference_description(kodkod_raise_warnings,'Raise WARNING when component or predicate cannot be translated to KODKOD').
1215		preference_description(kodkod_max_nr_solutions,'Maximum number of solutions computed and sent by KODKOD per batch.').
1216		preference_description(kodkod_symmetry_level,'Symmetry level for Kodkod (0=off, 20=on), the higher this value, the more symmetries will be broken, you should probably only turn this on when MAX_INITIALISATIONS is set to 1').
1217		% from Kodkod API: If a non-symmetric solver is chosen for this.solver, this value controls the maximum length of the generated lex-leader symmetry breaking predicate. In general, the higher this value, the more symmetries will be broken. But setting the value too high may have the opposite effect and slow down the solving. The default value for this property is 20.
1218		preference_description(kodkod_sat_solver,'SAT solver used for Kodkod (sat4j, minisat, lingeling, glucose)').
1219		preference_description(smt_supported_interpreter,'Use Z3 / CVC4 for predicates inside the B interpreter').
1220		preference_description(sat_supported_interpreter,'Use Kodkod for specific predicates inside the B interpreter').
1221		preference_description(use_record_construction,'Records: Check if axioms/properties describe a record pattern').
1222		preference_description(seen_machines_included,'Seen/used machines are included (no operations available) instead of extended').
1223		preference_description(allow_sequence_operators_on_strings,'Allow sequence operators (^) to be applied to STRINGs').
1224		preference_description(show_eventb_any_arguments,'Show top-level ANY variable values of B Operations without parameters as parameters').
1225		preference_description(show_initialisation_arguments,'Show effect of initialisation and setup constants in operation name'). % in case of non-deterministic assignments for INIT: only those are shown
1226		%preference_description(animate_skip_operations,'Animate operations which are skip or PRE C THEN skip').
1227		preference_description(deterministic_trace_replay,'Replay Traces without backtracking (to reduce memory consumption)').
1228		preference_description(treat_outermost_pre_as_select,'Treat outermost PRE as SELECT').
1229		preference_description(require_operations_to_assign_all_outputs,'Require operations to assign to all outputs').
1230		preference_description(allow_operations_to_read_outputs,'Allow B operations to read output parameters; output values will be initialised to default value in animator.').
1231		preference_description(allow_operation_calls_for_uses,'Allow to call B read-only operations of used machines (via USES clauses); permitted by BToolkit but not Atelier-B').
1232		preference_description(allow_overriding_initialisation,'Allow to override INITIALISATION of included/extended machines'). % useful when using EXTENDS to create animation instances
1233		preference_description(allow_simultaneous_assignments,'Allow B operations to assign multiple times to same variable (ASM style)').
1234		preference_description(allow_arith_operators_on_reals,'Allow to use the REAL datatype').
1235		preference_description(solver_for_reals,'Solver to be used for REAL/FLOAT datatype (none, float_solver: simple det. propagation, precise_float_solver, aggressive_float_solver)').
1236		%preference_description(check_prolog_b_ast,'Check the abstract syntax tree for B machines').
1237		preference_description(dot_print_edge_labels,'Show edge labels (operation names) in state space').
1238		preference_description(dot_print_action_arguments,'Show operation arguments (when edge labels shown)').
1239		preference_description(dot_print_functions,'Show functions (operations that return values w/o changing state) in state space').
1240		preference_description(dot_print_self_loops,'Show self-loops in state space and other dot graphs').
1241		%preference_description(dot_print_leaves,'Print Leaves').
1242		preference_description(dot_print_arc_colors,'Colour the arcs (disable for import in OmniGraffle)').
1243		preference_description(dot_print_root,'Show root node in state space').
1244		preference_description(dot_print_node_ids,'Show internal state ids in state space').
1245		preference_description(dot_print_transition_ids,'Show transition ids in state space').
1246		preference_description(dot_print_node_info,'Show additional state information (values of variables)').
1247		preference_description(dot_print_use_constants,'Use constants for deferred set values if possible').
1248		preference_description(dot_use_ps_viewer,'Use PDF/Postscript Viewer for .dot files').
1249		preference_description(path_to_dot,'Path/Command for dot program (using "/" even on Windows. Try avoiding spaces in path)').
1250		preference_description(dot_default_engine,'Default layout engine used for dot (dot,neato,sfdp,fdp,twopi,circo)').
1251		preference_description(path_to_dotty,'Path/Command for viewer of .dot files (e.g., dotty)').
1252		%preference_description(path_to_sfdp,'Path/Command for sfdp program for dot files (using "/" even on Windows. Try avoiding spaces in path)').
1253		preference_description(path_to_ltsmin,'Path to LTSmin commands, such as prob2lts-sym for symbolic model checking (not available for Windows.)').
1254		preference_description(path_to_ps_viewer,'Path/Command for PDF/Postscript viewer').
1255		preference_description(path_to_latex,'Path/Command for Latex (pdflatex)').
1256		preference_description(dot_root_shape,'Shape for root node (invtriangle,triangle, ellipse, box, diamond,...)').
1257		preference_description(dot_normal_node_shape,'Shape for normal node').
1258		preference_description(dot_current_node_shape,'Shape for current node').
1259		preference_description(dot_open_node_colour,'Colour for open node (red,green,blue,gray,... or rgb hex #ff00ff) or adjacent to an open node if print leaves is off').
1260		preference_description(dot_scope_limit_node_colour,'Colour for open, but uninteresting nodes (red,green,blue,gray,... or rgb hex #ff00ff)').
1261		preference_description(dot_normal_node_colour,'Colour for normal node').
1262		preference_description(dot_node_penwidth,'Pen width for nodes').
1263		preference_description(dot_edge_penwidth,'Pen width for edges').
1264		preference_description(dot_invariant_violated_node_colour,'Colour for invariant violation').
1265		preference_description(dot_fill_normal_nodes,'Fill normal nodes with color').
1266		preference_description(dot_normal_arc_colour,'Colour for normal arcs').
1267		preference_description(dot_node_font_size,'Font Size for Node labels').
1268		preference_description(dot_edge_font_size,'Font Size for Edge labels').
1269		preference_description(dot_with_page_size,'Limit page size by default (does not affect all dot graphs)').
1270		preference_description(dot_horizontal_layout,'Use horizontal layout by default (does not affect all dot graphs)').
1271		preference_description(dot_colour_goal_nodes,'Colour the nodes that satisfy the GOAL predicate').
1272		preference_description(dot_goal_node_colour,'Colour for nodes satisfying the GOAL predicate').
1273		preference_description(dot_print_node_properties,'Show properties of statespace node (useful for CSP models)').
1274		preference_description(dot_counterexample_node_colour,'Colour for counterexample nodes').
1275		preference_description(dot_counterexample_op_colour,'Colour for counterexample transitions').
1276		preference_description(dot_hierarchy_max_ids,'Max. number of identifiers shown in hierarchy view (-1 to show all)').
1277		preference_description(dot_hierarchy_group_includes,'Group INCLUDES/SEES/... of same machine into one edge').
1278		preference_description(cbc_provide_explanations,'Provide explanations (unsat core,...) for some CBC commands').
1279
1280		preference_description(successful_rule_colour,'Colour of successful rules nodes').
1281		preference_description(failed_rule_colour,'Colour of failed rule nodes').
1282		preference_description(disabled_rule_colour,'Colour of disabled rule nodes').
1283		preference_description(not_checked_rule_colour,'Colour of not checked rule nodes').
1284		preference_description(rule_graph_shape,'Shape of rule nodes').
1285		preference_description(executed_computation_colour,'Colour of executed computation nodes').
1286		preference_description(not_executed_computation_colour,'Colour of not executed computation nodes').
1287		preference_description(disabled_computation_colour,'Colour of disabled computation nodes').
1288		preference_description(computation_graph_shape,'Shape of computation nodes').
1289		preference_description(succeeded_dependency_colour,'Colour of edges to succeeded dependencies').
1290		preference_description(failed_dependency_colour,'Colour of edges to failed dependencies').
1291		preference_description(normal_dependency_colour,'Colour of edges to executed dependencies').
1292
1293		preference_description(dot_event_hierarchy_horizontal,'Organize refinements horizontally').
1294		preference_description(dot_event_hierarchy_machine_colour,'Colour for machine event cluster').
1295		preference_description(dot_event_hierarchy_refines_colour,'Colour for events refining themselves (i.e., not renamed and modifying guard or action)').
1296		preference_description(dot_event_hierarchy_new_event_colour,'Colour for new events (not refining any event) or variables').
1297		preference_description(dot_event_hierarchy_rename_event_colour,'Colour for renamed events (with change in guard or action)').
1298		preference_description(dot_event_hierarchy_rename_unchanged_event_colour,'Colour for renamed unchanged events').
1299		preference_description(dot_event_hierarchy_unchanged_event_colour,'Colour for unchanged events (not renamed, no guards or actions added) or variables').
1300		preference_description(dot_event_hierarchy_grd_strengthening_event_colour,'Colour for events just adding a guard (not renamed, no actions added)').
1301		preference_description(dot_event_hierarchy_grd_keeping_event_colour,'Colour for events just changing an action (not renamed, keeping guard unchanged)').
1302		preference_description(dot_event_hierarchy_edge_colour,'Edge colour for refine relation').
1303		preference_description(dot_event_hierarchy_extends_colour,'Edge colour for extends relation').
1304		preference_description(dot_hierarchy_show_extra_detail,'Provide more details in hierarchy diagram (e.g., constants)').
1305
1306		preference_description(dot_projection_non_det_edge_colour,'Edge colour for deterministic edges').
1307		preference_description(dot_projection_det_edge_colour,'Edge colour for non-deterministic edges').
1308		preference_description(dot_projection_non_definite_edge_style,'Style for non-definite edges (solid,dashed,dotted,bold,invis)').
1309		preference_description(dot_projection_definite_edge_style,'Style for definite edges (solid,dashed,dotted,bold,invis)').
1310		preference_description(dot_projection_label_limit,'Max. nr of characters for node labels').
1311		preference_description(dot_projection_process_only_explored,'Project only on the explored nodes').
1312		preference_description(dot_use_unicode,'Use Unicode symbols for values and formulas').
1313		preference_description(dot_predicate_node_shape,'Shape for predicate nodes in formula trees').
1314		preference_description(dot_expression_node_shape,'Shape for expression nodes in formula trees').
1315		preference_description(dot_var_mod_hide_only_written,'Hide variables which are only written and not read in any guard').
1316
1317
1318		preference_description(mc_dc_default_level,'Default Predicate Expansion Level for MC/DC Coverage Analyses (0=no expansion, 1=only top level connective expanded,...)').
1319
1320		preference_description(dot_enabling_show_readwrites,'Show read/write info for enabling diagrams').
1321
1322		preference_description(dot_definitions_use_sub_graph,'Show expression-, predicate-, substitution-DEFINITIONS as sub-graphs').
1323		preference_description(dot_definitions_show_all,'Show all DEFINITIONS').
1324		preference_description(dot_state_graph_decompose,'Decompose sets and complex pairs into individual vertices').
1325
1326		preference_description(font_size,'Font size in main window').
1327		preference_description(font_name,'Font name in text editor').
1328		preference_description(font_size_only,'Font size in text editor').
1329		preference_description(use_font_size_for_columns,'Use font size also for columns (you need to reselect font size + Courier will be used)').
1330		preference_description(allow_source_code_editing,'Allow editing and saving of main B machine file').
1331		preference_description(show_line_numbers,'Show line numbers in main window').
1332		%preference_description(show_full_error_span,'Show also the end line and column in error messages').
1333		preference_description(highlight_brackets,'Highlights brackets').
1334		preference_description(highlight_current_line,'Highlights current line').
1335		preference_description(ask_when_content_changed,'Asking when file content changed from external program').
1336		preference_description(user_not_beginner,'User is not a beginner').
1337		preference_description(user_is_an_expert_with_accessto_source_distribution,'User is expert with access to source distribution of ProB').
1338		%preference_description(default_to_runtime_type_checking_on_startup_for_expert,'When starting up (in expert mode) turn runtime type checking on').
1339		preference_description(path_to_probe,'Path to Probe or other tool to view .csp files').
1340		preference_description(path_to_spin,'Path to Spin or other tool to view .prom files').
1341		preference_description(path_to_cspm,'Path to cspm to view and analyze .csp files.').
1342		preference_description(path_to_text_editor,'Path to external GUI text editor').
1343		preference_description(path_to_text_editor_launch,'Path to external text editor for probcli (uses EDITOR environment variable by default)'). % different to path_to_text_editor, as from SICStus we cannot launch .app ??!
1344		%preference_description(path_to_fuzz,'Path to the fuzz tool for ProZ').
1345		preference_description(path_to_fdr,'Path to the FDR2 tool').
1346		preference_description(path_to_csp_typechecker,'Path to a CSP type checking tool, such as refines from FDR3 (taking --typecheck as argument)').
1347		preference_description(path_to_bcomp,'Path to a bcomp (Atelier B Parser and type checker )').
1348		preference_description(path_to_java,'Path to the "java" command (in case java is not found on the PATH)').
1349		preference_description(path_to_java_parser,'Provide alternate path to the "probcliparser.jar" JAR file or "cliparser" Graal VM binary (by default ProB will use parser in lib folder)').
1350		preference_description(path_to_atb_krt,'Path to Atelier B Provers krt tool').
1351		preference_description(try_atb_provers,'Try Atelier B Provers for unknown SMTLIB specifications').
1352		preference_description(smtlib2b_arrays_as_sets,'Translate SMTLib boolean Arrays to B Sets (when processing .smt2 files)').
1353		preference_description(smtlib2b_cleanup_predicate,'Preprocess before solving SMTLib formulas (when processing .smt2 files)').
1354		preference_description(symbolic_mc_try_other_solvers,'Symbolic Model Checking: Try different solver / settings combinations').
1355		preference_description(number_of_recent_documents,'Number of recently opened file names memorised').
1356		preference_description(number_of_searched_patterns,'Number of recently searched patterns in text').
1357		preference_description(number_of_replaced_patterns,'Number of recently replaced patterns in text').
1358		preference_description(number_of_eval_history_elements,'Number of recently runs of commands in the eval window').
1359		preference_description(number_of_eval_csp_history_elements,'Number of recently runs of commands in the eval window').
1360		preference_description(number_of_checked_ltl_formulas,'Number of recently checked LTL formulas').
1361		preference_description(ltl_to_ba_tool,'Tool in lib/ directory for generating a Buechi automaton from LTL.').
1362		preference_description(path_to_clingo,'Path to clingo binary (for alternate constraint solving backend)').
1363
1364		preference_description(do_syntax_highlighting,'Enable Syntax Colour Highlighting').
1365		preference_description(sh_type_colour,'Colour of typing constructs: NAT,POW,... (red,green,... or rgb hex #ff00ff)').
1366		preference_description(sh_logical_colour,'Colour of logical operators: &,or,...').
1367		preference_description(sh_assignments_colour,'Colour of assignments: :=, <-- and strings').
1368		preference_description(sh_operators,'Colour of normal operators ran,dom,...').
1369		preference_description(sh_top_level_keywords,'Colour of top level keywords: MACHINE, INVARIANT,...').
1370		preference_description(sh_control_keywords,'Colour of control keywords: IF, CASE,...').
1371		%preference_description(sh_includes_keywords,'Colour of inclusion related keywords: USES,...').
1372		preference_description(sh_comments,'Colour of comments /* ... */').
1373		preference_description(sh_pragmas,'Colour of pragmas /*@ ... */').
1374		preference_description(sh_unsupported_background,'Background colour for unsupported features (closure,...)').
1375
1376		preference_description(expand_forall_upto,'When analysing predicates: max. domain size for expansion of forall').
1377		preference_description(double_evaluation_when_analysing,'Evaluate PREDICATES positively and negatively when analysing').
1378		preference_description(prob_safe_mode,'Perform additional safety checks, which can slow down ProB').
1379		preference_description(expand_avl_upto,'Max size for pretty-printing sets (-1 means no limit)').
1380		preference_description(show_bvisual_formula_functor_from,'Show prefix/infix operators in state view for formulas longer than (use -1 to disable feature):').
1381		preference_description(show_bvisual_proof_info_icons,'Show proof info icon in state view (currently only for Event-B):').
1382		preference_description(formula_tree_minimal_timeout,'Minimal time-out for formula tree visualisation to find solutions to quantified identifiers').
1383		preference_description(formula_tree_maximal_timeout,'Maximal time-out for formula tree visualisation to find solutions to quantified identifiers').
1384		preference_description(show_bvisual_formula_explanations,'Show explanation nodes in state view for certain formulas (e.g., <:, ...)').
1385		preference_description(show_function_tuples_in_property,'Show function tuples in state view or dot files (f(1)=2 instead of f={(1,2)})').
1386		preference_description(bugly_pp_scrambling,'Scramble identifiers when pretty-printing (BUGLY)').
1387		preference_description(pp_propositional_logic_mode,'Try and pretty-print formulas using propositional variables (A=TRUE will be printed as A)').
1388		preference_description(pp_wd_infos,'Pretty-print well-definedness information for formulas').
1389		preference_description(pp_with_terminal_colour,'Pretty-print values and formulas with terminal colour escape codes').
1390		preference_description(wd_ignore_external_funs,'Do not create (unprovable) WD PO for external functions with WD condition').
1391		preference_description(wd_skip_finite_pos,'Do not generate finite WD POs').
1392		preference_description(wd_analysis_for_animation,'Perform the WD analysis in the context of ProB animation (e.g., deferred sets considered finite)').
1393		preference_description(z3_solve_for_animation,'Perform SMT solving with Z3 in the context of ProB animation (e.g., deferred sets considered finite)').
1394		preference_description(add_wd_pos_for_z3,'Add well-definedness POs to constraints before translating to SMT-LIB').
1395		preference_description(do_not_print_wd_errors,'Do not print well-definedness (WD) errors on the console.').
1396
1397
1398		preference_description(allow_new_ops_in_refinement,'Allow introduction of new operations in refinements (automatically set to TRUE for SYSTEM machines)').
1399		preference_description(allow_local_operation_calls,'Allow to call operations in OPERATIONS section of same machine (operations in LOCAL_OPERATIONS of same machine can always be called)').
1400		preference_description(allow_operation_calls_in_expr,'Allow to call query operations in (some) expressions').
1401		preference_description(allow_let_to_reuse_introduced_ids,'Allow LET substitutions to directly use introduced identifiers (e.g., LET x,y BE x=4 & y=x*x IN ...)').
1402
1403
1404		preference_description(use_po,'Use PROOF information to restrict invariant checking to affected clauses.').
1405		%preference_description(use_po,'Restrict invariant checking to affected clauses. Also remove clauses that are proven (EventB)').
1406		preference_description(try_operation_reuse,'Reuse previously computed operation effects in B/Event-B (cache projected state space per operation)'). % we used to have two values: true/full; true: performed local propagation to successor states for statically computed operation pairs, full: caches a projected state space per eligible operation in LTSmin style
1407		preference_description(try_operation_reuse_for_invariants,'Apply OPERATION_REUSE also to invariants (cache projected state space per invariant check)').
1408		preference_description(operation_reuse_setting,'real setting computed from OPERATION_REUSE').
1409		preference_description(randomise_operation_order,'Randomise order of operations when computing successor states.').
1410		% currently only alternates between normal and reverse order
1411		preference_description(randomise_enumeration_order,'Randomise enumeration of variables.').
1412		preference_description(perform_enumeration_order_analysis,'Perform enumeration order analysis within quantifiers, e.g., to detect identifiers that should not be enumerated').
1413		preference_description(set_rand,'Use a fix seed for random number generator. Allows to reproduce results.').
1414		preference_description(rand_seed,'Seed for Random Number Generator').
1415
1416		preference_description(machines_path,'Last open directory').
1417
1418		% Options for enabling/disabling the POR and PGE optimisations for Model Checking of B and Event-B models
1419		preference_description(use_cbc_analysis,'Use the constraint solver for more refined analysis of the action relations (in case of enabling/dependency determination for POR).').
1420		preference_description(timeout_cbc_analysis,'Time out for computing independence and enable relations between operations.').
1421
1422		preference_description(alloy_use_implementable_integers,'Use INT (minint..maxint) for the translation from Alloy to B.').
1423		preference_description(alloy_scopeless_translation,'Do not set any scopes when translating an Alloy model to B (useful for proof assistants).').
1424		preference_description(alloy_translation_for_proof, 'Translate only a single command of an Alloy model to the B machine assertions section to enable generation of proof obligations in AtelierB.').
1425		preference_description(alloy_strict_integers, 'Only accept integers (i.e, singleton sets in Alloy) as arguments to integer operations. Otherwise, a well-definedness error is thrown.').
1426
1427		preference_description(sequent_prover_rodin_mode, 'Attempt to apply certain proof rules as in Rodin for better replay, e.g. direct splitting of conjunctions after a goal rewrite.').
1428
1429		preference_description(use_scope_predicate,
1430		'Use SCOPE predicate (if defined) to restrict state space exploration for model checking and animation.').
1431		preference_description(use_ignore_pragmas, 'Ignore predicates with prob-ignore labels or /*@desc prob-ignore */ pragmas when checking PROPERTIES/axioms'). % later we may extend this to INVARIANTS and other contexts
1432
1433		preference_description(por,'Type of Partial Order Reduction Technique (ample_sets, ample_sets2).').
1434		preference_description(por_heur,'Type of heuritic for choosing a valid ample set.').
1435		%preference_description(use_por_for_ltl,'Use Partial Order Reduction for LTL.').
1436		preference_description(use_safety_ltl_model_checker,'Recognise safety properties and check these using the safety property model checker (requires ltl2ba for more complex properties)'). % will currently ignore ltllimit set in probcli
1437
1438		preference_description(enable_graph,'Option for using the enable graph module for partial order reduction.').
1439		preference_description(enable_graph_depth,'The depth of evaluating the weakest-preconditions along a path in an enable graph.').
1440
1441		preference_description(dependency_enable_predicates,'Compute in each state whether two events can disable each other.').
1442
1443		preference_description(filter_unused_constants,'Filter out unused constants (can interfere with VisB or other visualisations)').
1444		preference_description(translate_force_all_typing_infos,'Print all typing infos when pretty-printing').
1445		preference_description(translate_print_typing_infos,'Print needed typing infos when pretty-printing').
1446		preference_description(translate_print_frozen_infos,'Print Prolog frozen goal infos for unbound variables').
1447		preference_description(translate_ids_to_parseable_format,'Print Identifiers in a format that can be parsed again').
1448		preference_description(translate_suppress_rodin_positions_flag,'Suppres Rodin position information when pretty-printing').
1449		preference_description(translate_print_all_sequences,'Print B relations as sequences when possible during pretty-printing.').
1450		preference_description(translate_print_cs_style_sequences,'Print B sequences in theoretical CS style without separators.').
1451		% Note: also influenced by expand_avl_upto preference
1452		preference_description(translation_limit_for_table_commands,'Translation/pretty print limit for columns used by some table (CSV) commands').
1453		preference_description(visb_allow_variables_for_objects,'Allow variables to be used within VISB_SVG_OBJECTS and VISB_SVG_HOVERS expressions'). % for ProB2-UI this could cause problems
1454		preference_description(visb_show_debug_infos,'Show VisB debug information in title hovers').
1455
1456		preference_description(trace_generation_limit,'Max. number of traces generated').
1457		preference_description(trace_generation_time_out,'Timeout for trace generation').
1458
1459		preference_description(disprover_mode,'Assume that well-definedness is guaranteed or checked by other means (for Rodin DISPROVER Plugin)').
1460		preference_description(allow_improving_wd_mode,'Allow transformations that improve well-definedness (e.g., transforming x=1/0 & bfalse to bfalse or replacing #x.(x=E) by btrue)'). % first example still respecting the commutative D system for well-definedness, second example not; used in clean_up
1461		preference_description(trace_upon_error,'Trace upon error (requires running from source)').
1462		preference_description(error_log_file, 'File were all errors and warnings are logged (NDJSON format). Can be set to stderr or stdout.').
1463		preference_description(tlc_number_of_workers,'Number of parallel workers for external tool TLC (for -workers option)').
1464		preference_description(tlc_use_prob_constant_setup,'Use constants found by ProB for TLC model checking (for -constantssetup option)').
1465		preference_description(unsat_core_algorithm,'Algorithm to compute the unsat core of predicates. (divide_and_conquer or linear or linear_greedy or linear_greedy_decompose)').
1466
1467
1468		preference_description(port, 'First number to be used by parB/distb/ZMQ. Default: 5000').
1469		preference_description(ip, 'The IP addess or hostname of the current machine that should be used by parB/distb/ZMQ. Default: localhost. Must be overriden in a distributed setting.').
1470		preference_description(max_states, 'The amount of states that shall be checked by parB/distb/ZMQ worker. Zero means explore entire state space. Default: 0').
1471		preference_description(tmpdir, 'The directory where temporary files should be stored. Default: /tmp/.').
1472		preference_description(logdir, 'The directory where log files should be stored. Default: ./distb-logs/').
1473		preference_description(proxynumber, 'The number of the proxy the ZMQ component should connect to. Relevant if multiple proxies run on the same machine. Default: 0').
1474		preference_description(queue_threshold, 'The amount of states that may be kept in a ZMQ queue before it is allowed to share. Default: 20').
1475		preference_description(hash_cycle, 'Minimum amount of milliseconds that has to pass between hash code updates from the ZMQ master. Default: 25').
1476		preference_description(cdclt_perform_static_analysis, 'CDCL(T) Solver: Perform static analysis to infer implied constraints').
1477		preference_description(cdclt_perform_symmetry_breaking, 'CDCL(T) Solver: Perform symmetry breaking using BLISS (if installed)').
1478		preference_description(cdclt_use_idl_theory_solver, 'CDCL(T) Solver: Use additional IDL (Integer-Difference-Logic) solver').
1479		preference_description(prob_version_info,'Version of ProB (read-only preference)'). % mainly so that in ProB for Rodin we can see the version number
1480		preference_description(prob_revision_info,'Git revision of ProB (read-only preference)').
1481		preference_description(prob_lastchangedate_info,'Last change date of ProB source (read-only preference)').
1482
1483		preference_description(xtl_safe_mode,'Use runtime checking to make sure the predicates in XTL models are implemented correctly, the tradeoff is performance.').
1484
1485		/* ------------------------- */
1486
1487		:- use_module(pathes_extensions_db, [preference_value_requires_extension/3]).
1488		:- use_module(pathes_lib, [unavailable_extension/2]).
1489
1490		%preference_update_action(do_full_invariant_checking,_) :- !, b_types_precompile.
1491		%preference_change_requires_reload(enable_canonical_symmetry,true) :- !, .
1492		%preference_update_action(use_nauty_symmetry_reduction,true) :- !, graph_iso_nauty:nauty_init.
1493		%:- use_module(probsrc(bmachine),[bmachine_is_precompiled/0]).
1494		%:- use_module(probsrc(graph_iso_nauty),[nauty_init/0]).
1495		preference_update_action(Pref,Val) :-
1496	?	preference_value_requires_extension(Pref,Val,Extension),
1497		unavailable_extension(Extension,Reason),
1498		ajoin(['Value ', Val,' for preference ',Pref,
1499		' may lead to errors because extension not available (',Reason,'): '],Msg),
1500		add_warning(preferences,Msg,Extension),
1501		fail.
1502		preference_update_action(symmetry_mode,nauty) :- !,
1503		(bmachine:bmachine_is_precompiled -> graph_iso_nauty:nauty_init ; true).
1504		preference_update_action(_,_).
1505		% TODO: jvm_parser_position_infos : release_console_parser
1506
1507		/* ------------------------- */
1508
1509		% now in basic_tests.pl
1510		%:- assert_must_succeed( \+((preference_val_type(P,_D),\+preference_default_value(P,_Val)))).
1511		%:- assert_must_succeed( \+((preference_default_value(P,_D), \+preference_val_type(P,_Val)))).
1512		preference_val_type(maxint,nat1).
1513		preference_val_type(minint,neg).
1514		preference_val_type(number_animated_abstractions,nat).
1515		preference_val_type(number_skipped_refined_machines,nat).
1516		preference_val_type(globalsets_fdrange,nat).
1517		preference_val_type(do_invariant_checking,bool).
1518		preference_val_type(do_assert_checking,bool).
1519		preference_val_type(find_abort_values,xbool).
1520		preference_val_type(raise_abort_immediately,xbool).
1521		preference_val_type(treat_outermost_pre_as_select,bool).
1522		preference_val_type(require_operations_to_assign_all_outputs,bool).
1523		preference_val_type(allow_operations_to_read_outputs,bool).
1524		preference_val_type(allow_operation_calls_for_uses,bool).
1525		preference_val_type(allow_overriding_initialisation,bool).
1526		preference_val_type(allow_simultaneous_assignments,bool).
1527		preference_val_type(allow_arith_operators_on_reals,dbool).
1528		preference_val_type(solver_for_reals,[aggressive_float_solver,float_solver,none,precise_float_solver]).
1529		preference_val_type(cspm_animate_all_processes_without_arguments,bool).
1530		preference_val_type(cspm_animate_all_processes,bool).
1531		preference_val_type(cspm_detailed_animation,bool).
1532		preference_val_type(cspm_strip_source_location,bool).
1533		%preference_val_type(csp_event_visible_to_user,bool).
1534		preference_val_type(show_initialisation_arguments,bool).
1535		preference_val_type(deterministic_trace_replay,bool).
1536		preference_val_type(show_eventb_any_arguments,bool).
1537		preference_val_type(maxNrOfInitialisations,nat).
1538		%preference_val_type(randomisedRestartInitalisations,bool).
1539		preference_val_type(maxNrOfEnablingsPerOperation,nat).
1540		preference_val_type(time_out,nat1).
1541		preference_val_type(debug_time_out_factor,nat1).
1542		%preference_val_type(use_large_jvm_for_parser,bool).
1543		preference_val_type(jvm_parser_heap_size_mb,nat).
1544		preference_val_type(jvm_parser_additional_args,string).
1545		preference_val_type(jvm_parser_position_infos,bool).
1546		preference_val_type(jvm_parser_fastrw,bool).
1547		preference_val_type(jvm_parser_force_parsing,bool).
1548		preference_val_type(convert_comprehension_sets_into_closures,bool).
1549		preference_val_type(comprehension_set_symbolic_limit,nat).
1550		preference_val_type(use_clpfd_solver,bool).
1551		preference_val_type(clpfd_solver_label_option,labeling_option).
1552		preference_val_type(use_chr_solver,bool).
1553		preference_val_type(data_validation_mode,bool).
1554		preference_val_type(use_smt_mode,bool).
1555		preference_val_type(solver_strength,nat).
1556		preference_val_type(use_common_subexpression_elimination,bool).
1557		preference_val_type(remove_implied_constraints,bool).
1558		preference_val_type(lift_existential_quantifiers,bool).
1559		preference_val_type(use_common_subexpression_also_for_predicates,bool).
1560		preference_val_type(use_common_subexpression_also_for_substitutions,bool).
1561		preference_val_type(use_common_subexpression_wd_only,bool).
1562		preference_val_type(normalize_ast,bool).
1563		preference_val_type(normalize_ast_sort_commutative,bool).
1564		preference_val_type(optimize_ast,bool).
1565		%preference_val_type(optimize_enum_set_elems,bool).
1566		preference_val_type(useless_code_elimination,bool).
1567		preference_val_type(compile_while_body,bool).
1568		preference_val_type(expand_becomes_such_into_set,bool).
1569		preference_val_type(warn_about_failing_assignments,bool).
1570		preference_val_type(detect_lambdas,bool).
1571		preference_val_type(auto_detect_theory_ops,bool).
1572		preference_val_type(ltsmin_guard_splitting,bool).
1573		preference_val_type(ltsmin_do_not_evaluate_top_level_guards,xbool).
1574		preference_val_type(fail_if_clpfd_timeout,bool).
1575		%preference_val_type(allow_recursive_closures,bool).
1576		preference_val_type(use_static_ordering,bool).
1577		preference_val_type(try_use_state_packing,axbool).
1578		preference_val_type(use_state_packing,xbool).
1579		preference_val_type(force_state_packing_for_closures,bool).
1580		preference_val_type(provide_trace_information,bool).
1581		preference_val_type(prob_profiling_on,bool).
1582		preference_val_type(prob_source_profiling_on,bool).
1583		preference_val_type(performance_monitoring_on,bool).
1584		preference_val_type(performance_monitoring_expansion_limit,int).
1585		preference_val_type(partition_predicates,bool).
1586		preference_val_type(partition_predicates_inline_equalities,bool).
1587		preference_val_type(use_closure_expansion_memoization,bool).
1588		preference_val_type(use_function_memoization,dbool).
1589		preference_val_type(allow_incomplete_partial_setup_constants,bool).
1590		preference_val_type(re_execute_operations_with_side_effects,bool).
1591		preference_val_type(warn_if_definition_hides_variable,bool).
1592		preference_val_type(use_hygienic_definitions,bool).
1593		preference_val_type(type_check_definitions,bool).
1594		%preference_val_type(warn_when_expanding_infinite_closures,int).
1595		preference_val_type(allow_enumeration_of_infinite_types,bool).
1596		preference_val_type(strict_raise_warnings,bool).
1597		preference_val_type(strict_raise_enum_warnings,bool).
1598		preference_val_type(clash_strict_checks,bool).
1599		preference_val_type(perform_stricter_static_checks,bool).
1600		preference_val_type(ignore_prj_types,bool).
1601		preference_val_type(prefix_internal_operation_arguments,string).
1602		preference_val_type(generate_minimal_nr_of_testcases,bool).
1603		preference_val_type(use_tk_custom_state_viewer,bool).
1604		preference_val_type(tk_custom_state_viewer_font_name,string).
1605		preference_val_type(tk_custom_state_viewer_font_size,nat).
1606		preference_val_type(tk_custom_state_viewer_padding,nat).
1607		preference_val_type(tk_custom_state_viewer_str_padding,nat).
1608		preference_val_type(use_small_window,bool).
1609		preference_val_type(tk_show_source_pane,bool).
1610		preference_val_type(ignore_hash_collisions,bool).
1611		preference_val_type(forget_state_space,bool).
1612		preference_val_type(store_only_one_incoming_transition,bool).
1613		preference_val_type(mc_continue_after_error,bool).
1614		preference_val_type(symmetry_mode,[off,flood,nauty,hash]).
1615		preference_val_type(use_static_symmetry_detection,bool).
1616		%preference_val_type(bool_expression_as_predicate,bool).
1617		preference_val_type(allow_untyped_identifiers,[true,false,true_with_string_type]).
1618		preference_val_type(repl_unicode,bool).
1619		preference_val_type(repl_cache_parsing,bool).
1620		preference_val_type(cache_constants,bool).
1621		preference_val_type(cache_operations,bool).
1622		preference_val_type(cache_operations_runtime_limit,nat).
1623		preference_val_type(cache_keep_files_open,bool).
1624		preference_val_type(latex_encoding,text_encoding).
1625		preference_val_type(latex_pp_greek_ids,bool).
1626		preference_val_type(xml_encoding,text_encoding).
1627		preference_val_type(view_probcli_errors_using_bbresults,bool).
1628		preference_val_type(eventtrace,bool).
1629		preference_val_type(store_event_transinfo,bool).
1630		preference_val_type(use_solver_on_load,solver_name).
1631		%preference_val_type(try_kodkod_on_load,bool).
1632		preference_val_type(kodkod_for_components,xbool).
1633		preference_val_type(kodkod_raise_warnings,bool).
1634		preference_val_type(kodkod_max_nr_solutions,nat1).
1635		preference_val_type(kodkod_symmetry_level,nat).
1636		preference_val_type(kodkod_sat_solver,[sat4j,minisat,lingeling,glucose]).
1637		preference_val_type(smt_supported_interpreter,bool).
1638		preference_val_type(sat_supported_interpreter,bool).
1639		preference_val_type(use_record_construction,bool).
1640		preference_val_type(seen_machines_included,bool).
1641		preference_val_type(allow_sequence_operators_on_strings,bool).
1642
1643		preference_val_type(dot_print_node_ids,bool).
1644		preference_val_type(dot_print_transition_ids,bool).
1645		preference_val_type(dot_print_use_constants,bool).
1646		preference_val_type(dot_print_node_info,bool).
1647		preference_val_type(dot_print_edge_labels,bool).
1648		preference_val_type(dot_print_action_arguments,bool).
1649		preference_val_type(dot_print_functions,bool).
1650		preference_val_type(dot_print_self_loops,bool).
1651		preference_val_type(dot_print_root,bool).
1652		%preference_val_type(dot_print_leaves,bool).
1653		preference_val_type(dot_print_arc_colors,bool).
1654		preference_val_type(dot_use_ps_viewer,bool).
1655		preference_val_type(path_to_dot,path).
1656		preference_val_type(dot_default_engine,[dot,neato,sfdp,fdp,twopi,circo,patchwork,osage,nop,nop2]).
1657		preference_val_type(path_to_dotty,path).
1658		preference_val_type(path_to_ltsmin,path).
1659		preference_val_type(path_to_ps_viewer,path).
1660		preference_val_type(path_to_latex,path).
1661		preference_val_type(dot_root_shape,dot_shape).
1662		preference_val_type(dot_node_penwidth,nat).
1663		preference_val_type(dot_edge_penwidth,nat).
1664		preference_val_type(dot_normal_node_shape,dot_shape).
1665		preference_val_type(dot_current_node_shape,dot_shape).
1666		preference_val_type(dot_open_node_colour,rgb_color).
1667		preference_val_type(dot_scope_limit_node_colour,rgb_color).
1668		preference_val_type(dot_normal_node_colour,rgb_color).
1669		preference_val_type(dot_invariant_violated_node_colour,rgb_color).
1670		preference_val_type(dot_fill_normal_nodes,bool).
1671		preference_val_type(dot_normal_arc_colour,rgb_color).
1672		preference_val_type(dot_node_font_size,nat1).
1673		preference_val_type(dot_edge_font_size,nat1).
1674		preference_val_type(dot_with_page_size,bool).
1675		preference_val_type(dot_horizontal_layout,bool).
1676		preference_val_type(dot_colour_goal_nodes,bool).
1677		preference_val_type(dot_goal_node_colour,rgb_color).
1678		preference_val_type(dot_print_node_properties,bool).
1679		preference_val_type(dot_counterexample_node_colour,rgb_color).
1680		preference_val_type(dot_counterexample_op_colour,rgb_color).
1681		preference_val_type(dot_hierarchy_max_ids,int).
1682		preference_val_type(dot_hierarchy_group_includes,bool).
1683		preference_val_type(cbc_provide_explanations,bool).
1684
1685		preference_val_type(successful_rule_colour,rgb_color).
1686		preference_val_type(failed_rule_colour,rgb_color).
1687		preference_val_type(disabled_rule_colour,rgb_color).
1688		preference_val_type(not_checked_rule_colour,rgb_color).
1689		preference_val_type(rule_graph_shape,dot_shape).
1690		preference_val_type(executed_computation_colour,rgb_color).
1691		preference_val_type(not_executed_computation_colour,rgb_color).
1692		preference_val_type(disabled_computation_colour,rgb_color).
1693		preference_val_type(computation_graph_shape,dot_shape).
1694		preference_val_type(succeeded_dependency_colour,rgb_color).
1695		preference_val_type(failed_dependency_colour,rgb_color).
1696		preference_val_type(normal_dependency_colour,rgb_color).
1697
1698		preference_val_type(dot_event_hierarchy_horizontal,bool).
1699		preference_val_type(dot_event_hierarchy_machine_colour,rgb_color).
1700		preference_val_type(dot_event_hierarchy_refines_colour,rgb_color).
1701		preference_val_type(dot_event_hierarchy_new_event_colour,rgb_color).
1702		preference_val_type(dot_event_hierarchy_rename_event_colour,rgb_color).
1703		preference_val_type(dot_event_hierarchy_rename_unchanged_event_colour,rgb_color).
1704		preference_val_type(dot_event_hierarchy_unchanged_event_colour,rgb_color).
1705		preference_val_type(dot_event_hierarchy_grd_strengthening_event_colour,rgb_color).
1706		preference_val_type(dot_event_hierarchy_grd_keeping_event_colour,rgb_color).
1707		preference_val_type(dot_event_hierarchy_edge_colour,rgb_color).
1708		preference_val_type(dot_event_hierarchy_extends_colour,rgb_color).
1709		preference_val_type(dot_hierarchy_show_extra_detail,bool).
1710
1711		preference_val_type(dot_projection_non_det_edge_colour,rgb_color).
1712		preference_val_type(dot_projection_det_edge_colour,rgb_color).
1713		preference_val_type(dot_projection_non_definite_edge_style,dot_line_style).
1714		preference_val_type(dot_projection_definite_edge_style,dot_line_style).
1715		preference_val_type(dot_projection_label_limit,nat).
1716		preference_val_type(dot_projection_process_only_explored,bool).
1717		preference_val_type(dot_use_unicode,bool).
1718		preference_val_type(dot_predicate_node_shape,dot_shape).
1719		preference_val_type(dot_expression_node_shape,dot_shape).
1720		preference_val_type(dot_var_mod_hide_only_written,bool).
1721
1722		preference_val_type(mc_dc_default_level,nat).
1723
1724		preference_val_type(dot_enabling_show_readwrites,bool).
1725
1726		preference_val_type(dot_definitions_use_sub_graph,bool).
1727		preference_val_type(dot_definitions_show_all,bool).
1728		preference_val_type(dot_state_graph_decompose,bool).
1729
1730		preference_val_type(font_name,string).
1731		preference_val_type(font_size_only,nat1).
1732		preference_val_type(font_size,string).
1733		preference_val_type(use_font_size_for_columns,bool).
1734		preference_val_type(allow_source_code_editing,bool).
1735		preference_val_type(show_line_numbers,bool).
1736		%preference_val_type(show_full_error_span,bool).
1737		preference_val_type(highlight_brackets,bool).
1738		preference_val_type(highlight_current_line,bool).
1739		preference_val_type(ask_when_content_changed,bool).
1740
1741		preference_val_type(user_not_beginner,bool).
1742		preference_val_type(user_is_an_expert_with_accessto_source_distribution,bool).
1743		%preference_val_type(default_to_runtime_type_checking_on_startup_for_expert,bool).
1744		preference_val_type(path_to_probe,path).
1745		%preference_val_type(path_to_fuzz,path).
1746		preference_val_type(path_to_fdr,path).
1747		preference_val_type(path_to_csp_typechecker,path).
1748		preference_val_type(path_to_bcomp,path). % Atelier B parser & type checker
1749		preference_val_type(path_to_java,path). % Path to Java
1750		preference_val_type(path_to_java_parser,path). % Path to probcliparser.java or cliparser, default ''
1751		preference_val_type(path_to_atb_krt,path).
1752		preference_val_type(try_atb_provers,bool).
1753		preference_val_type(smtlib2b_arrays_as_sets,bool).
1754		preference_val_type(smtlib2b_cleanup_predicate,bool).
1755		preference_val_type(symbolic_mc_try_other_solvers,bool).
1756		preference_val_type(path_to_spin,path).
1757		preference_val_type(path_to_cspm,path).
1758		preference_val_type(path_to_text_editor,path).
1759		preference_val_type(path_to_text_editor_launch,path).
1760		preference_val_type(number_of_recent_documents,nat).
1761		preference_val_type(number_of_searched_patterns,nat).
1762		preference_val_type(number_of_replaced_patterns,nat).
1763		preference_val_type(number_of_eval_history_elements,nat).
1764		preference_val_type(number_of_eval_csp_history_elements,nat).
1765		preference_val_type(number_of_checked_ltl_formulas,nat).
1766		preference_val_type(ltl_to_ba_tool,path).
1767		preference_val_type(path_to_clingo,path).
1768
1769		preference_val_type(do_syntax_highlighting,bool).
1770		preference_val_type(sh_type_colour,rgb_color).
1771		preference_val_type(sh_logical_colour,rgb_color).
1772		preference_val_type(sh_assignments_colour,rgb_color).
1773		preference_val_type(sh_operators,rgb_color).
1774		preference_val_type(sh_top_level_keywords,rgb_color).
1775		preference_val_type(sh_control_keywords,rgb_color).
1776		%preference_val_type(sh_includes_keywords,rgb_color).
1777		preference_val_type(sh_comments,rgb_color).
1778		preference_val_type(sh_pragmas,rgb_color).
1779		preference_val_type(sh_unsupported_background,rgb_color).
1780
1781		preference_val_type(expand_forall_upto,nat).
1782		preference_val_type(double_evaluation_when_analysing,bool).
1783		preference_val_type(prob_safe_mode,bool).
1784		preference_val_type(expand_avl_upto,int).
1785		preference_val_type(show_bvisual_formula_functor_from,int).
1786		preference_val_type(show_bvisual_proof_info_icons,bool).
1787		preference_val_type(show_bvisual_formula_explanations,bool).
1788		preference_val_type(formula_tree_minimal_timeout,nat).
1789		preference_val_type(formula_tree_maximal_timeout,nat).
1790		preference_val_type(show_function_tuples_in_property,bool).
1791		preference_val_type(bugly_pp_scrambling,bool).
1792		preference_val_type(pp_propositional_logic_mode,bool).
1793		preference_val_type(pp_wd_infos,bool).
1794		preference_val_type(pp_with_terminal_colour,bool).
1795		preference_val_type(wd_ignore_external_funs,bool).
1796		preference_val_type(wd_skip_finite_pos,bool).
1797		preference_val_type(wd_analysis_for_animation,bool).
1798		preference_val_type(z3_solve_for_animation,bool).
1799		preference_val_type(add_wd_pos_for_z3,bool).
1800		preference_val_type(do_not_print_wd_errors,bool).
1801
1802		preference_val_type(allow_new_ops_in_refinement,bool).
1803		preference_val_type(allow_local_operation_calls,bool).
1804		preference_val_type(allow_operation_calls_in_expr,bool).
1805		preference_val_type(allow_let_to_reuse_introduced_ids,bool).
1806		preference_val_type(use_po,bool).
1807		preference_val_type(try_operation_reuse,axbool). % false,true,full,auto
1808		preference_val_type(try_operation_reuse_for_invariants,bool).
1809		preference_val_type(operation_reuse_setting,xbool).
1810		preference_val_type(randomise_operation_order,bool).
1811		preference_val_type(randomise_enumeration_order,bool).
1812		preference_val_type(perform_enumeration_order_analysis,bool).
1813
1814		preference_val_type(set_rand,bool).
1815		preference_val_type(rand_seed,nat).
1816
1817		preference_val_type(alloy_use_implementable_integers,bool).
1818		preference_val_type(alloy_scopeless_translation,bool).
1819		preference_val_type(alloy_translation_for_proof,bool).
1820		preference_val_type(alloy_strict_integers,bool).
1821
1822		preference_val_type(sequent_prover_rodin_mode,bool).
1823
1824		preference_val_type(use_scope_predicate,bool).
1825		preference_val_type(use_ignore_pragmas,bool).
1826		%% Options' meaning
1827		% disabled: skipping guard evaluation of actions known to be disabled at state
1828		% enabled: skipping guard evaluation of actions known to be enabled at state
1829		% full: skipping guard evaluations of actions known to be enabled or disabled at state
1830		% disabled2, enabled2, full2: same for these, but another (more precise) way for computing the sets of enabled and disabled actions is used
1831		%preference_val_type(pge,[off,disabled,enabled,full,disabled2,enabled2,full2]).
1832
1833		preference_val_type(use_cbc_analysis,bool).
1834		preference_val_type(timeout_cbc_analysis,nat1).
1835
1836		preference_val_type(por,[off,ample_sets,ample_sets2]).
1837		preference_val_type(por_heur,[first,random,minimal]).
1838		preference_val_type(use_safety_ltl_model_checker,bool).
1839
1840		preference_val_type(enable_graph,bool).
1841		preference_val_type(enable_graph_depth,int).
1842
1843		preference_val_type(dependency_enable_predicates,bool).
1844
1845		preference_val_type(filter_unused_constants,bool).
1846		preference_val_type(translate_force_all_typing_infos,bool).
1847		preference_val_type(translate_print_typing_infos,bool).
1848		preference_val_type(translate_print_frozen_infos,bool).
1849		preference_val_type(translate_ids_to_parseable_format,bool).
1850		preference_val_type(translate_suppress_rodin_positions_flag,bool).
1851		preference_val_type(translate_print_all_sequences,bool).
1852		preference_val_type(translate_print_cs_style_sequences,bool).
1853		preference_val_type(translation_limit_for_table_commands,int).
1854		preference_val_type(visb_allow_variables_for_objects,bool).
1855		preference_val_type(visb_show_debug_infos,bool).
1856		preference_val_type(trace_generation_limit,nat).
1857		preference_val_type(trace_generation_time_out,nat).
1858
1859
1860		preference_val_type(disprover_mode,bool).
1861		preference_val_type(allow_improving_wd_mode,bool).
1862		preference_val_type(trace_upon_error,bool).
1863		preference_val_type(tlc_number_of_workers,nat1).
1864		preference_val_type(tlc_use_prob_constant_setup,bool).
1865		preference_val_type(error_log_file,path).
1866
1867		preference_val_type(unsat_core_algorithm,[divide_and_conquer,linear,linear_greedy,linear_greedy_decompose]).
1868
1869		preference_val_type(port, nat1).
1870		preference_val_type(ip, string).
1871		preference_val_type(max_states, nat).
1872		preference_val_type(tmpdir, path).
1873		preference_val_type(logdir, path).
1874		preference_val_type(proxynumber, nat).
1875		preference_val_type(queue_threshold, nat1).
1876		preference_val_type(hash_cycle, nat).
1877		preference_val_type(cdclt_perform_static_analysis,bool).
1878		preference_val_type(cdclt_perform_symmetry_breaking,bool).
1879		preference_val_type(cdclt_use_idl_theory_solver,bool).
1880		preference_val_type(prob_version_info, string).
1881		preference_val_type(prob_revision_info, string).
1882		preference_val_type(prob_lastchangedate_info, string).
1883
1884		preference_val_type(xtl_safe_mode, bool).
1885
1886		preference_val_type(machines_path,path). %directory_path). % preference not so critical; default value may not exist
1887
1888
1889		% obtain list of all valid values, e.g. for ProB2-UI
1890		preference_val_type_list(Pref,ValList) :-
1891		preference_val_type(Pref,Type),
1892		val_list_for_type(Type,ValList).
1893
1894		val_list_for_type(Type,List) :- is_list(Type), !, Type=List.
1895		val_list_for_type(Type,List) :- list_valid_type_vals(Type,List), !.
1896		val_list_for_type(Type,List) :- pref_type_synonym(Type,List), !.
1897		val_list_for_type(Type,Type). % no enumeration of valid values possible - provide type name
1898
1899		list_valid_type_vals(axbool,[false,true,full,auto]).
1900		list_valid_type_vals(xbool,[false,true,full]).
1901		list_valid_type_vals(dbool,[default,false,true]). % maybe put these in pref_type_synonym
1902		list_valid_type_vals(dot_shape,Opt) :- findall(X,valid_dot_shape(X),Opt).
1903		list_valid_type_vals(dot_node_style,Opt) :- findall(X,valid_dot_node_style(X),Opt).
1904		list_valid_type_vals(dot_line_style,Opt) :- findall(X,valid_dot_line_style(X),Opt).
1905		list_valid_type_vals(labeling_option,[anti_first_fail,dom_w_deg,
1906		ff, % first_fail
1907		ffc, % most_constrained
1908		impact,leftmost,min,max,max_regret,occurrence]).
1909		/* ------------------------- */
1910
1911
1912		% now in basic_tests.pl
1913		%:- assert_must_succeed( \+((preference_category(P,_D),\+preference_default_value(P,_Val)))).
1914		%:- assert_must_succeed( \+((preference_default_value(P,_D), \+preference_category(P,_Val)))).
1915		preference_category(unsat_core_algorithm,advanced).
1916		preference_category(maxint,animation).
1917		preference_category(minint,animation).
1918		preference_category(globalsets_fdrange,animation).
1919		preference_category(do_invariant_checking,advanced).
1920		preference_category(do_assert_checking,advanced).
1921		%preference_category(do_full_invariant_checking,animation).
1922		%preference_category(use_new_kernel,advanced).
1923		preference_category(find_abort_values,animation).
1924		preference_category(raise_abort_immediately,advanced).
1925		preference_category(treat_outermost_pre_as_select,animation).
1926		preference_category(require_operations_to_assign_all_outputs,animation).
1927		preference_category(allow_operations_to_read_outputs,advanced).
1928		preference_category(allow_operation_calls_for_uses,advanced).
1929		preference_category(allow_overriding_initialisation,advanced).
1930		preference_category(allow_simultaneous_assignments,hidden). % only useful for loading and inspecting AST
1931		preference_category(allow_arith_operators_on_reals,advanced).
1932		preference_category(solver_for_reals,advanced).
1933		preference_category(cspm_animate_all_processes_without_arguments,csp_prefs).
1934		preference_category(cspm_animate_all_processes,csp_prefs).
1935		%preference_category(cspm_display_inout,csp_prefs).
1936		preference_category(cspm_detailed_animation,csp_prefs).
1937		preference_category(cspm_strip_source_location,csp_prefs).
1938		%preference_category(csp_event_visible_to_user,csp_prefs).
1939		%preference_category(cspm_allow_incomplete_records,csp_prefs).
1940		%preference_category(findOnlyOneSol,advanced).
1941		preference_category(show_eventb_any_arguments,animation).
1942		preference_category(maxNrOfInitialisations,animation).
1943		%preference_category(randomisedRestartInitalisations,advanced).
1944		preference_category(maxNrOfEnablingsPerOperation,animation).
1945		preference_category(time_out,animation).
1946		preference_category(number_animated_abstractions,animation).
1947		preference_category(number_skipped_refined_machines,animation).
1948		preference_category(show_initialisation_arguments,animation).
1949		preference_category(deterministic_trace_replay,hidden).
1950		%preference_category(animate_skip_operations,animation).
1951		preference_category(debug_time_out_factor,advanced).
1952		%preference_category(use_large_jvm_for_parser,advanced).
1953		preference_category(jvm_parser_heap_size_mb,advanced).
1954		preference_category(jvm_parser_additional_args,advanced).
1955		preference_category(jvm_parser_position_infos,advanced).
1956		preference_category(jvm_parser_fastrw,hidden).
1957		preference_category(jvm_parser_force_parsing,bool).
1958		preference_category(convert_comprehension_sets_into_closures,animation).
1959		preference_category(comprehension_set_symbolic_limit,animation).
1960		preference_category(use_clpfd_solver,animation).
1961		preference_category(clpfd_solver_label_option,advanced).
1962		preference_category(use_chr_solver,animation).
1963		preference_category(data_validation_mode,advanced).
1964		preference_category(use_smt_mode,advanced).
1965		preference_category(solver_strength,advanced).
1966		preference_category(use_common_subexpression_elimination,advanced).
1967		preference_category(remove_implied_constraints,advanced).
1968		preference_category(lift_existential_quantifiers,advanced).
1969		preference_category(use_common_subexpression_also_for_predicates,advanced).
1970		preference_category(use_common_subexpression_also_for_substitutions,advanced).
1971		preference_category(use_common_subexpression_wd_only,advanced).
1972		preference_category(normalize_ast,hidden).
1973		preference_category(normalize_ast_sort_commutative,hidden).
1974		preference_category(optimize_ast,advanced).
1975		%preference_category(optimize_enum_set_elems,hidden).
1976		preference_category(useless_code_elimination,advanced).
1977		preference_category(compile_while_body,advanced).
1978		preference_category(expand_becomes_such_into_set,advanced).
1979		preference_category(warn_about_failing_assignments,advanced).
1980		preference_category(detect_lambdas,advanced).
1981		preference_category(auto_detect_theory_ops,advanced).
1982		preference_category(ltsmin_guard_splitting,hidden).
1983		preference_category(ltsmin_do_not_evaluate_top_level_guards,hidden).
1984		preference_category(fail_if_clpfd_timeout,advanced).
1985		%preference_category(allow_recursive_closures,hidden).
1986		preference_category(use_static_ordering,advanced).
1987		preference_category(try_use_state_packing,advanced).
1988		preference_category(use_state_packing,hidden). % derived from try_use_state_packing
1989		preference_category(force_state_packing_for_closures,hidden).
1990		preference_category(provide_trace_information,advanced).
1991		preference_category(prob_profiling_on,advanced).
1992		preference_category(prob_source_profiling_on,advanced).
1993		preference_category(performance_monitoring_on,advanced).
1994		preference_category(performance_monitoring_expansion_limit,advanced).
1995		preference_category(partition_predicates,advanced).
1996		preference_category(partition_predicates_inline_equalities,advanced).
1997		preference_category(use_closure_expansion_memoization,advanced).
1998		preference_category(use_function_memoization,advanced).
1999		preference_category(allow_incomplete_partial_setup_constants,advanced).
2000		preference_category(re_execute_operations_with_side_effects,advanced).
2001		preference_category(warn_if_definition_hides_variable,advanced).
2002		preference_category(use_hygienic_definitions,advanced).
2003		preference_category(type_check_definitions,advanced).
2004		%preference_category(warn_when_expanding_infinite_closures,advanced).
2005		preference_category(allow_enumeration_of_infinite_types,advanced).
2006		preference_category(strict_raise_warnings,advanced).
2007		preference_category(strict_raise_enum_warnings,hidden). % only for testing
2008		preference_category(clash_strict_checks,advanced).
2009		preference_category(perform_stricter_static_checks,hidden). % set by prob
2010		preference_category(ignore_prj_types,advanced).
2011		%preference_category(never_convert_closures_into_explicit_form,hidden).
2012		%preference_category(convert_types_into_closures,animation).
2013		%preference_category(convert_closures_into_explicit_form_for_store,animation).
2014		%preference_category(allow_empty_global_sets,advanced).
2015		preference_category(ignore_hash_collisions,advanced).
2016		preference_category(forget_state_space,advanced).
2017		preference_category(store_only_one_incoming_transition,advanced).
2018		preference_category(mc_continue_after_error,hidden).
2019		%preference_category(enable_permutation_reducation,advanced).
2020		%preference_category(use_symmetry_marker_hash,advanced).
2021		%preference_category(enable_canonical_symmetry,advanced).
2022		%preference_category(use_nauty_symmetry_reduction,advanced).
2023		preference_category(symmetry_mode,hidden).
2024		preference_category(use_static_symmetry_detection,advanced).
2025		%preference_category(bool_expression_as_predicate,hidden).
2026		preference_category(allow_untyped_identifiers,hidden).
2027		preference_category(repl_unicode,syntax_highlighting).
2028		preference_category(repl_cache_parsing,hidden).
2029		preference_category(cache_constants,hidden).
2030		preference_category(cache_operations,hidden).
2031		preference_category(cache_operations_runtime_limit,hidden).
2032		preference_category(cache_keep_files_open,hidden).
2033		preference_category(latex_encoding,latex).
2034		preference_category(latex_pp_greek_ids,latex).
2035		preference_category(xml_encoding,hidden).
2036		preference_category(view_probcli_errors_using_bbresults,hidden).
2037		preference_category(eventtrace,animation).
2038		preference_category(store_event_transinfo,hidden). % automatically set by probcli
2039		preference_category(use_solver_on_load,hidden). % hidden for the moment
2040		%preference_category(try_kodkod_on_load,hidden).
2041		preference_category(kodkod_for_components,advanced).
2042		preference_category(kodkod_raise_warnings,advanced).
2043		preference_category(kodkod_max_nr_solutions,advanced).
2044		preference_category(kodkod_symmetry_level,advanced).
2045		preference_category(kodkod_sat_solver,advanced).
2046		preference_category(smt_supported_interpreter,advanced).
2047		preference_category(sat_supported_interpreter,advanced).
2048		preference_category(use_record_construction,advanced).
2049		preference_category(seen_machines_included,animation).
2050		preference_category(allow_sequence_operators_on_strings,animation).
2051
2052		%preference_category(test_case_gen_stop_at_first_error,advanced).
2053		preference_category(prefix_internal_operation_arguments,advanced).
2054		preference_category(generate_minimal_nr_of_testcases,advanced).
2055		preference_category(use_tk_custom_state_viewer,hidden). % actually : if user wants to turn it off; simply do not define ANIMATION_FUNCTION
2056		preference_category(tk_custom_state_viewer_font_name,hidden).
2057		preference_category(tk_custom_state_viewer_font_size,hidden).
2058		preference_category(tk_custom_state_viewer_padding,animation).
2059		preference_category(tk_custom_state_viewer_str_padding,animation).
2060		preference_category(use_small_window,animation).
2061		preference_category(tk_show_source_pane,animation).
2062
2063		preference_category(path_to_ltsmin,advanced).
2064
2065
2066		preference_category(dot_print_node_ids,dot).
2067		preference_category(dot_print_transition_ids,dot).
2068		preference_category(dot_print_use_constants,dot).
2069		preference_category(dot_print_node_info,dot).
2070		preference_category(dot_print_edge_labels,dot).
2071		preference_category(dot_print_action_arguments,dot).
2072		preference_category(dot_print_functions,dot).
2073		preference_category(dot_print_self_loops,dot).
2074		preference_category(dot_print_root,dot).
2075		%preference_category(dot_print_leaves,dot).
2076		preference_category(dot_print_arc_colors,dot).
2077		preference_category(dot_use_ps_viewer,hidden).
2078		preference_category(path_to_dotty,dot).
2079		preference_category(path_to_dot,dot).
2080		preference_category(dot_default_engine,dot).
2081		preference_category(path_to_ps_viewer,dot).
2082		preference_category(dot_root_shape,dot).
2083		preference_category(dot_node_penwidth,dot).
2084		preference_category(dot_edge_penwidth,dot).
2085		preference_category(dot_normal_node_shape,dot).
2086		preference_category(dot_current_node_shape,dot).
2087		preference_category(dot_open_node_colour,dot).
2088		preference_category(dot_scope_limit_node_colour,dot).
2089		preference_category(dot_normal_node_colour,dot).
2090		preference_category(dot_invariant_violated_node_colour,dot).
2091		preference_category(dot_fill_normal_nodes,dot).
2092		preference_category(dot_normal_arc_colour,dot).
2093
2094		%preference_category(dot_font_size,hidden).
2095		preference_category(dot_node_font_size,dot).
2096		preference_category(dot_edge_font_size,dot).
2097		preference_category(dot_with_page_size,dot).
2098		preference_category(dot_horizontal_layout,dot).
2099		preference_category(dot_colour_goal_nodes,dot).
2100		preference_category(dot_goal_node_colour,dot).
2101		preference_category(dot_print_node_properties,dot).
2102		preference_category(dot_counterexample_node_colour,dot).
2103		preference_category(dot_counterexample_op_colour,dot).
2104
2105		% preferences used by rule_validation.pl for rule dependency graph:
2106		preference_category(successful_rule_colour,rule_dependency_graph).
2107		preference_category(failed_rule_colour,rule_dependency_graph).
2108		preference_category(disabled_rule_colour,rule_dependency_graph).
2109		preference_category(not_checked_rule_colour,rule_dependency_graph).
2110		preference_category(rule_graph_shape,rule_dependency_graph).
2111		preference_category(executed_computation_colour,rule_dependency_graph).
2112		preference_category(not_executed_computation_colour,rule_dependency_graph).
2113		preference_category(disabled_computation_colour,rule_dependency_graph).
2114		preference_category(computation_graph_shape,rule_dependency_graph).
2115		preference_category(succeeded_dependency_colour,rule_dependency_graph).
2116		preference_category(failed_dependency_colour,rule_dependency_graph).
2117		preference_category(normal_dependency_colour,rule_dependency_graph).
2118
2119		preference_category(dot_event_hierarchy_horizontal,dot_event_hierarchy).
2120		preference_category(dot_event_hierarchy_machine_colour,dot_event_hierarchy).
2121		preference_category(dot_event_hierarchy_refines_colour,dot_event_hierarchy).
2122		preference_category(dot_event_hierarchy_new_event_colour,dot_event_hierarchy).
2123		preference_category(dot_event_hierarchy_rename_event_colour,dot_event_hierarchy).
2124		preference_category(dot_event_hierarchy_unchanged_event_colour,dot_event_hierarchy).
2125		preference_category(dot_event_hierarchy_rename_unchanged_event_colour,dot_event_hierarchy).
2126		preference_category(dot_event_hierarchy_grd_strengthening_event_colour,dot_event_hierarchy).
2127		preference_category(dot_event_hierarchy_grd_keeping_event_colour,dot_event_hierarchy).
2128		preference_category(dot_event_hierarchy_edge_colour,dot_event_hierarchy).
2129		preference_category(dot_event_hierarchy_extends_colour,dot_event_hierarchy).
2130		preference_category(dot_hierarchy_show_extra_detail,dot_event_hierarchy).
2131
2132
2133		preference_category(dot_projection_non_det_edge_colour,dot_projection).
2134		preference_category(dot_projection_det_edge_colour,dot_projection).
2135		preference_category(dot_projection_non_definite_edge_style,dot_projection).
2136		preference_category(dot_projection_definite_edge_style,dot_projection).
2137		preference_category(dot_projection_label_limit,dot_projection).
2138		preference_category(dot_projection_process_only_explored,dot_projection).
2139		preference_category(dot_use_unicode,dot_projection).
2140
2141		preference_category(dot_predicate_node_shape,dot_formula_tree).
2142		preference_category(dot_expression_node_shape,dot_formula_tree).
2143		preference_category(dot_var_mod_hide_only_written,dot_variable_modification).
2144
2145		preference_category(mc_dc_default_level,mc_dc_commands).
2146
2147		preference_category(dot_enabling_show_readwrites,dot_enable_graph).
2148
2149		preference_category(dot_definitions_use_sub_graph,dot_definitions).
2150		preference_category(dot_definitions_show_all,dot_definitions).
2151
2152		preference_category(dot_state_graph_decompose,dot_state_graph).
2153
2154		preference_category(dot_hierarchy_max_ids,dot_machine_hierarchy).
2155		preference_category(dot_hierarchy_group_includes,dot_machine_hierarchy).
2156		preference_category(cbc_provide_explanations,cbc_commands).
2157
2158		preference_category(font_size,gui_prefs).
2159		preference_category(font_name,gui_prefs).
2160		preference_category(font_size_only,gui_prefs).
2161		preference_category(use_font_size_for_columns,advanced).
2162		preference_category(allow_source_code_editing,gui_prefs).
2163		preference_category(show_line_numbers,gui_prefs).
2164		preference_category(highlight_brackets,gui_prefs).
2165		preference_category(highlight_current_line,gui_prefs).
2166		preference_category(ask_when_content_changed,gui_prefs).
2167		preference_category(user_not_beginner,gui_prefs).
2168
2169		preference_category(user_is_an_expert_with_accessto_source_distribution,hidden).
2170		%preference_category(default_to_runtime_type_checking_on_startup_for_expert,hidden).
2171		preference_category(path_to_probe,csp_prefs).
2172		%preference_category(path_to_fuzz,advanced).
2173		preference_category(path_to_fdr,csp_prefs).
2174		preference_category(path_to_csp_typechecker,csp_prefs).
2175		preference_category(path_to_bcomp,advanced).
2176		preference_category(path_to_java,advanced).
2177		preference_category(path_to_java_parser,hidden).
2178		preference_category(path_to_atb_krt,advanced). % not yet used from within ProB Tcl/Tk, ...
2179		preference_category(try_atb_provers,advanced).
2180		preference_category(smtlib2b_arrays_as_sets,smtlib2b).
2181		preference_category(smtlib2b_cleanup_predicate,smtlib2b).
2182		preference_category(symbolic_mc_try_other_solvers,advanced).
2183		preference_category(path_to_spin,advanced).
2184		preference_category(path_to_cspm,advanced).
2185		preference_category(path_to_text_editor,advanced).
2186		preference_category(path_to_text_editor_launch,hidden).
2187		preference_category(number_of_recent_documents,advanced).
2188		preference_category(number_of_searched_patterns,advanced).
2189		preference_category(number_of_replaced_patterns,advanced).
2190		preference_category(number_of_eval_history_elements,advanced).
2191		preference_category(number_of_eval_csp_history_elements,advanced).
2192		preference_category(number_of_checked_ltl_formulas,advanced).
2193		preference_category(allow_new_ops_in_refinement,advanced).
2194		preference_category(allow_local_operation_calls,advanced).
2195		preference_category(allow_operation_calls_in_expr,advanced).
2196		preference_category(allow_let_to_reuse_introduced_ids,advanced).
2197		preference_category(use_po,advanced).
2198		preference_category(try_operation_reuse,advanced).
2199		preference_category(try_operation_reuse_for_invariants,advanced).
2200		preference_category(operation_reuse_setting,hidden).
2201		preference_category(randomise_operation_order,advanced).
2202		preference_category(randomise_enumeration_order,advanced).
2203		preference_category(perform_enumeration_order_analysis,advanced).
2204		preference_category(set_rand,advanced).
2205		preference_category(rand_seed,advanced).
2206		preference_category(ltl_to_ba_tool,advanced).
2207		preference_category(path_to_clingo,advanced).
2208
2209		preference_category(do_syntax_highlighting,syntax_highlighting).
2210		preference_category(sh_type_colour,syntax_highlighting).
2211		preference_category(sh_logical_colour,syntax_highlighting).
2212		preference_category(sh_assignments_colour,syntax_highlighting).
2213		preference_category(sh_operators,syntax_highlighting).
2214		preference_category(sh_top_level_keywords,syntax_highlighting).
2215		preference_category(sh_control_keywords,syntax_highlighting).
2216		%preference_category(sh_includes_keywords,syntax_highlighting).
2217		preference_category(sh_comments,syntax_highlighting).
2218		preference_category(sh_pragmas,syntax_highlighting).
2219		preference_category(sh_unsupported_background,syntax_highlighting).
2220
2221		preference_category(expand_forall_upto,advanced).
2222		preference_category(double_evaluation_when_analysing,advanced).
2223		preference_category(prob_safe_mode,advanced).
2224		preference_category(expand_avl_upto,advanced).
2225		preference_category(show_bvisual_formula_functor_from,advanced).
2226		preference_category(show_bvisual_proof_info_icons,advanced).
2227		preference_category(show_bvisual_formula_explanations,advanced).
2228		preference_category(formula_tree_minimal_timeout,dot_formula_tree).
2229		preference_category(formula_tree_maximal_timeout,dot_formula_tree).
2230		preference_category(show_function_tuples_in_property,animation).
2231		preference_category(bugly_pp_scrambling,advanced).
2232		preference_category(pp_propositional_logic_mode,hidden).
2233		preference_category(pp_wd_infos,hidden).
2234		preference_category(pp_with_terminal_colour,hidden).
2235		preference_category(wd_ignore_external_funs,wd_analyser).
2236		preference_category(wd_skip_finite_pos,wd_analyser).
2237		preference_category(wd_analysis_for_animation,wd_analyser).
2238		preference_category(z3_solve_for_animation,advanced).
2239		preference_category(add_wd_pos_for_z3,advanced).
2240		preference_category(do_not_print_wd_errors,hidden). % set by unsat core or by solver_interface
2241		%preference_category(show_full_error_span,hidden).
2242
2243		preference_category(machines_path,hidden).
2244
2245		preference_category(alloy_use_implementable_integers,alloy2b).
2246		preference_category(alloy_scopeless_translation,alloy2b).
2247		preference_category(alloy_translation_for_proof,alloy2b).
2248		preference_category(alloy_strict_integers,alloy2b).
2249
2250		preference_category(sequent_prover_rodin_mode,sequent_prover).
2251
2252		/* Partial techniques for optimising the Model Checker */
2253
2254		preference_category(use_scope_predicate,advanced).
2255		preference_category(use_ignore_pragmas,advanced).
2256		%preference_category(pge,model_checker).
2257
2258		preference_category(use_cbc_analysis,advanced). % for por
2259		preference_category(timeout_cbc_analysis,advanced).
2260		preference_category(por,model_checker).
2261		preference_category(por_heur,model_checker).
2262		preference_category(use_safety_ltl_model_checker,model_checker).
2263		preference_category(enable_graph,model_checker).
2264		preference_category(enable_graph_depth,model_checker).
2265		preference_category(dependency_enable_predicates,model_checker).
2266
2267		preference_category(path_to_latex,latex).
2268
2269		%------------------------------------
2270
2271		preference_category(filter_unused_constants,advanced).
2272		preference_category(translate_force_all_typing_infos,hidden).
2273		preference_category(translate_print_typing_infos,hidden).
2274		preference_category(translate_print_frozen_infos,hidden).
2275		preference_category(translate_ids_to_parseable_format,hidden).
2276		preference_category(translate_suppress_rodin_positions_flag,hidden).
2277		preference_category(translate_print_all_sequences,hidden).
2278		preference_category(translate_print_cs_style_sequences,hidden).
2279
2280		preference_category(translation_limit_for_table_commands,wd_commands).
2281		preference_category(visb_allow_variables_for_objects,visb).
2282		preference_category(visb_show_debug_infos,visb).
2283
2284		preference_category(trace_generation_limit,trace_generator).
2285		preference_category(trace_generation_time_out,trace_generator).
2286
2287		preference_category(disprover_mode,advanced).
2288		preference_category(allow_improving_wd_mode,hidden).
2289		preference_category(trace_upon_error,hidden).
2290		preference_category(error_log_file,advanced).
2291		preference_category(tlc_number_of_workers,hidden).
2292		preference_category(tlc_use_prob_constant_setup,hidden).
2293
2294		preference_category(port, distb).
2295		preference_category(ip, distb).
2296		preference_category(max_states, distb).
2297		preference_category(tmpdir, distb).
2298		preference_category(logdir, distb).
2299		preference_category(proxynumber, distb).
2300		preference_category(queue_threshold, distb).
2301		preference_category(hash_cycle, distb).
2302
2303		preference_category(cdclt_perform_static_analysis, cdclt).
2304		preference_category(cdclt_perform_symmetry_breaking, cdclt).
2305		preference_category(cdclt_use_idl_theory_solver,cdclt).
2306
2307		preference_category(prob_version_info,hidden).
2308		preference_category(prob_revision_info, hidden).
2309		preference_category(prob_lastchangedate_info, hidden).
2310
2311		preference_category(xtl_safe_mode,hidden).
2312
2313		/* ------------------------- */
2314
2315		% secondary, alternate additional categories:
2316		alternate_preference_category(dot_print_node_ids,dot_state_space).
2317		alternate_preference_category(dot_print_transition_ids,dot_state_space).
2318		alternate_preference_category(dot_print_use_constants,dot_state_space). %?
2319		alternate_preference_category(dot_print_node_info,dot_state_space).
2320		alternate_preference_category(dot_print_edge_labels,dot_state_space).
2321		alternate_preference_category(dot_print_action_arguments,dot_state_space).
2322		alternate_preference_category(dot_print_functions,dot_state_space).
2323		alternate_preference_category(dot_print_self_loops,dot_state_space).
2324		alternate_preference_category(dot_print_root,dot_state_space).
2325		alternate_preference_category(dot_print_arc_colors,dot_state_space).
2326		alternate_preference_category(dot_root_shape,dot_state_space).
2327		alternate_preference_category(dot_node_penwidth,dot_state_space).
2328		alternate_preference_category(dot_edge_penwidth,dot_state_space).
2329		alternate_preference_category(dot_normal_node_shape,dot_state_space).
2330		alternate_preference_category(dot_current_node_shape,dot_state_space).
2331		alternate_preference_category(dot_open_node_colour,dot_state_space).
2332		alternate_preference_category(dot_scope_limit_node_colour,dot_state_space).
2333		alternate_preference_category(dot_normal_node_colour,dot_state_space).
2334		alternate_preference_category(dot_invariant_violated_node_colour,dot_state_space).
2335		alternate_preference_category(dot_fill_normal_nodes,dot_state_space).
2336		alternate_preference_category(dot_normal_arc_colour,dot_state_space).
2337		alternate_preference_category(dot_node_font_size,dot_state_space).
2338		alternate_preference_category(dot_edge_font_size,dot_state_space).
2339		alternate_preference_category(dot_colour_goal_nodes,dot_state_space).
2340		alternate_preference_category(dot_goal_node_colour,dot_state_space).
2341		alternate_preference_category(dot_print_node_properties,dot_state_space).
2342		alternate_preference_category(dot_horizontal_layout,dot_state_space).
2343
2344		alternate_preference_category(dot_use_unicode,dot_formula_tree).
2345
2346		alternate_preference_category(dot_event_hierarchy_unchanged_event_colour,dot_variable_hierarchy).
2347		alternate_preference_category(dot_event_hierarchy_new_event_colour,dot_variable_hierarchy).
2348		alternate_preference_category(dot_event_hierarchy_edge_colour,dot_variable_hierarchy).
2349		alternate_preference_category(dot_hierarchy_show_extra_detail,dot_variable_hierarchy).
2350
2351		% these commands for the graph_canon / state_as_dot_graph state_graph:
2352		alternate_preference_category(dot_normal_node_shape,state_as_graph).
2353		alternate_preference_category(dot_state_graph_decompose,state_as_graph).
2354		%alternate_preference_category(dot_with_page_size,state_as_graph).
2355		alternate_preference_category(dot_horizontal_layout,state_as_graph).
2356
2357		% these commands use the dot_graph_generator:
2358		alternate_preference_category(X,dot_variable_modification) :- alternate_preference_category(X,dot_graph_generator).
2359		alternate_preference_category(X,dot_event_hierarchy) :- alternate_preference_category(X,dot_graph_generator).
2360		alternate_preference_category(X,dot_variable_hierarchy) :- alternate_preference_category(X,dot_graph_generator).
2361		alternate_preference_category(X,dot_projection) :- alternate_preference_category(X,dot_graph_generator).
2362		alternate_preference_category(dot_print_self_loops,dot_projection).
2363		alternate_preference_category(X,dot_definitions) :- alternate_preference_category(X,dot_graph_generator).
2364		alternate_preference_category(timeout_cbc_analysis,dot_enable_graph).
2365		alternate_preference_category(X,dot_enable_graph) :- alternate_preference_category(X,dot_graph_generator).
2366
2367		% preferences used by dot_graph_generator.pl:
2368		alternate_preference_category(dot_print_self_loops,dot_graph_generator).
2369		alternate_preference_category(dot_print_arc_colors,dot_graph_generator).
2370		alternate_preference_category(dot_node_font_size,dot_graph_generator).
2371		alternate_preference_category(dot_edge_font_size,dot_graph_generator).
2372		alternate_preference_category(dot_edge_penwidth,dot_graph_generator).
2373		alternate_preference_category(dot_with_page_size,dot_graph_generator).
2374		alternate_preference_category(dot_horizontal_layout,dot_graph_generator).
2375		alternate_preference_category(dot_default_engine,dot_graph_generator).
2376		alternate_preference_category(path_to_dot,dot_graph_generator).
2377
2378		alternate_preference_category(translation_limit_for_table_commands,cbc_commands).
2379		alternate_preference_category(translation_limit_for_table_commands,table_commands).
2380
2381		/* ------------------------- */
2382		% now in basic_tests.pl
2383		%:- assert_must_succeed( \+((preferences:obsolete_preference(P),preference_default_value(P,_Val)))).
2384		obsolete_preference(randomisedRestartInitalisations).
2385		obsolete_preference(optimize_enum_set_elems).
2386		obsolete_preference(warn_when_expanding_infinite_closures).
2387		obsolete_preference(do_neginvariant_checking). % use double_evaluation_when_analysing
2388		obsolete_preference(check_prolog_b_ast).
2389		obsolete_preference(use_large_jvm_for_parser).
2390		obsolete_preference(default_to_runtime_type_checking_on_startup_for_expert).
2391		obsolete_preference(animate_skip_operations).
2392		obsolete_preference(debug_try_minimise).
2393		obsolete_preference(convert_types_into_closures).
2394		obsolete_preference(use_avl_trees_for_sets).
2395		obsolete_preference(dot_font_size).
2396		obsolete_preference(only_label_base_types).
2397		obsolete_preference(use_new_kernel).
2398		obsolete_preference(findOnlyOneSol).
2399		obsolete_preference(enable_permutation_reducation).
2400		obsolete_preference(use_symmetry_marker_hash).
2401		obsolete_preference(enable_canonical_symmetry).
2402		obsolete_preference(use_nauty_symmetry_reduction).
2403		obsolete_preference(do_full_invariant_checking).
2404		obsolete_preference(test_case_gen_stop_at_first_error).
2405		obsolete_preference(use_failure_refinement).
2406		obsolete_preference(do_on_the_fly_refinement).
2407		obsolete_preference(never_convert_closures_into_explicit_form).
2408		obsolete_preference(allow_empty_global_sets).
2409		obsolete_preference(multilevel_animation).
2410		obsolete_preference(remove_multilevel_prefix).
2411		obsolete_preference(cspm_allow_incomplete_records).
2412		obsolete_preference(cspm_display_inout).
2413		obsolete_preference(allow_recursive_closures).
2414		obsolete_preference(absint_abstract_domain_module).
2415		obsolete_preference(absint_use_widening).
2416		obsolete_preference(absint_soft_widening).
2417		obsolete_preference(absint_extrapolation_threshold).
2418		obsolete_preference(convert_closures_into_explicit_form_for_store).
2419		obsolete_preference(use_por).
2420		obsolete_preference(use_pge).
2421		obsolete_preference(pge_dis).
2422		obsolete_preference(pge_ind).
2423		obsolete_preference(pge_keep).
2424		obsolete_preference(pge).
2425		obsolete_preference(use_pge_keep).
2426		obsolete_preference(use_pge_dis).
2427		obsolete_preference(use_pge_ind).
2428		obsolete_preference(selected_bparser).
2429		obsolete_preference(dot_print_leaves).
2430		obsolete_preference(csp_event_visible_to_user).
2431		obsolete_preference(path_to_fuzz).
2432		obsolete_preference(use_optimistic_por).
2433		obsolete_preference(show_full_error_span).
2434		obsolete_preference(path_to_sfdp).
2435		obsolete_preference(dot_use_alterate_dot_viewer).
2436		obsolete_preference(path_to_dotty2).
2437		obsolete_preference(prob2_trace_file).
2438		obsolete_preference(prob2_trace_file_gen_unique_name).
2439		obsolete_preference(try_kodkod_on_load).
2440
2441		% might be re-included later
2442		obsolete_preference(plugin(absint,use_widening)).
2443		obsolete_preference(plugin(absint,soft_widening)).
2444		obsolete_preference(plugin(absint,extrapolation_threshold)).
2445		obsolete_preference(plugin(absint,retract_widening_related_states)).
2446
2447		obsolete_preference(use_por_for_ltl).
2448
2449		% replaced by api calls
2450		obsolete_preference(path_to_smt_solver).
2451
2452		% has been renamed
2453		obsolete_preference(try_atb_provers_for_smtlib).
2454
2455		obsolete_preference(bool_expression_as_predicate). % BOOL_AS_PREDICATE
2456
2457
2458		% VOLATILE
2459		% not necessary to store in file; value will not be changed when loading pref file
2460		% dangerous preferences: user should explicitly reset it every time or put it explicitly into file
2461		volatile_preference(store_event_transinfo).
2462		volatile_preference(fail_if_clpfd_timeout).
2463		volatile_preference(ignore_hash_collisions).
2464		volatile_preference(forget_state_space).
2465		volatile_preference(store_only_one_incoming_transition).
2466		volatile_preference(mc_continue_after_error).
2467		volatile_preference(filter_unused_constants).
2468		volatile_preference(disprover_mode).
2469		volatile_preference(allow_improving_wd_mode).
2470		volatile_preference(trace_upon_error).
2471		volatile_preference(performance_monitoring_on).
2472		volatile_preference(translate_force_all_typing_infos).
2473		volatile_preference(translate_print_typing_infos).
2474		volatile_preference(translate_ids_to_parseable_format).
2475		volatile_preference(translate_suppress_rodin_positions_flag).
2476		volatile_preference(deterministic_trace_replay).
2477		%volatile_preference(bool_expression_as_predicate). % Deprecated
2478		volatile_preference(prob_version_info).
2479		volatile_preference(prob_revision_info).
2480		volatile_preference(prob_lastchangedate_info).
2481		volatile_preference(path_to_java_parser).
2482		volatile_preference(do_not_print_wd_errors). % set by unsat core
2483		volatile_preference(operation_reuse_setting). % computed
2484		volatile_preference(use_state_packing). % computed
2485
2486		read_only_preference(prob_version_info).
2487		read_only_preference(prob_revision_info).
2488		read_only_preference(prob_lastchangedate_info).
2489
2490		/* ------------------------- */
2491	?	is_of_type(El,Type) :- type_element(Type,El).
2492
2493		type_element(bool,X) :- !, (X=true -> true ; X=false).
2494		type_element(directory_path,X) :- !, atomic(X),check_directory_exists(X).
2495		type_element(int,X) :- !, integer(X).
2496		type_element(neg,X) :- !, integer(X), X=<0.
2497		type_element(nat,X) :- !, integer(X), X>=0.
2498		type_element(nat1,X) :- !, integer(X), X>0.
2499		type_element(range(Low,Up),X) :- !, number(X), X>=Low, X=<Up.
2500		type_element(string,X) :- !, atomic(X).
2501		type_element(path,X) :- !, atomic(X). % some paths are files, some directorys (.app) and some aliases
2502		type_element(file_path,X) :- !, atomic(X),check_file_exists(X).
2503		type_element(term,X) :- !, nonvar(X).
2504		type_element(dot_shape,X) :- !, valid_dot_shape(X).
2505		type_element(dot_node_style,X) :- !, valid_dot_node_style(X).
2506		type_element(dot_line_style,X) :- !, valid_dot_line_style(X).
2507	?	type_element(rgb_color,X) :- !, valid_rgb_color(X).
2508	?	type_element(ListOfCsts,X) :- ListOfCsts=[_|_], !, member(X,ListOfCsts).
2509	?	type_element(Type,X) :- list_valid_type_vals(Type,List),!, member(X,List).
2510		type_element(Type,X) :- pref_type_synonym(Type,List),!,
2511	?	is_of_type(X,List). % cvc4 not working
2512
2513		pref_type_synonym(por,[off,ample_sets,ample_sets2]).
2514		pref_type_synonym(solver_name,[cdclt,clingo,kodkod,prob,sat,'sat-z3',z3,z3cns,z3axm]).
2515		pref_type_synonym(text_encoding,[auto, 'ASCII', % ascii not directly listed in manual page, but is on web page below
2516		'ISO-8859-1','ISO-8859-2',
2517		'ISO-8859-15',
2518		'UTF-8','UTF-16','UTF-16LE','UTF-16BE','UTF-32','UTF-32LE','UTF-32BE',
2519		'ANSI_X3.4-1968', 'windows 1252']).
2520		% a few more names seem to be allowed (section 4.6.7.5 of SICStus handbook)
2521		% few from https://www.iana.org/assignments/character-sets/character-sets.xhtml
2522		% using illegal names leads to SPIO_E_CHARSET_NOT_FOUND exception
2523
2524		valid_dot_node_style(bold).
2525		valid_dot_node_style(dashed).
2526		valid_dot_node_style(diagonals).
2527		valid_dot_node_style(dotted).
2528		valid_dot_node_style(filled).
2529		valid_dot_node_style(invisible).
2530		valid_dot_node_style(rounded).
2531		valid_dot_node_style(solid).
2532		valid_dot_node_style(striped).
2533		valid_dot_node_style(wedged).
2534		valid_dot_node_style(''). % revert to default
2535
2536		valid_dot_line_style(bold).
2537		valid_dot_line_style(dashed).
2538		valid_dot_line_style(dotted).
2539		valid_dot_line_style(invis).
2540		valid_dot_line_style(solid).
2541		valid_dot_line_style('').
2542
2543		valid_dot_shape('Mcircle').
2544		valid_dot_shape('Mdiamond').
2545		valid_dot_shape('Msquare').
2546		valid_dot_shape(box).
2547		valid_dot_shape(box3d). % requires newer version of graphviz
2548		valid_dot_shape(cds). % requires newer version of graphviz
2549		valid_dot_shape(circle).
2550		valid_dot_shape(component). % requires newer version of graphviz
2551		valid_dot_shape(cylinder). % requires newer version of graphviz
2552		valid_dot_shape(diamond).
2553		valid_dot_shape(doublecircle).
2554		valid_dot_shape(doubleoctagon).
2555		valid_dot_shape(egg).
2556		valid_dot_shape(ellipse).
2557		valid_dot_shape(folder). % requires newer version of graphviz
2558		valid_dot_shape(hexagon).
2559		valid_dot_shape(house).
2560		valid_dot_shape(invhouse).
2561		valid_dot_shape(invtrapez).
2562		valid_dot_shape(invtrapezium).
2563		valid_dot_shape(invtriangle).
2564		valid_dot_shape(larrow). % requires newer version of graphviz
2565		valid_dot_shape(lpromoter). % requires newer version of graphviz
2566		valid_dot_shape(none).
2567		valid_dot_shape(note). % requires newer version of graphviz
2568		valid_dot_shape(octagon).
2569		valid_dot_shape(oval).
2570		valid_dot_shape(parallelogram).
2571		valid_dot_shape(pentagon).
2572		valid_dot_shape(plain).
2573		valid_dot_shape(plaintext).
2574		valid_dot_shape(point).
2575		valid_dot_shape(promoter). % requires newer version of graphviz
2576		valid_dot_shape(record).
2577		valid_dot_shape(rarrow). % requires newer version of graphviz
2578		valid_dot_shape(rect).
2579		valid_dot_shape(rectangle).
2580		valid_dot_shape(rpromoter). % requires newer version of graphviz
2581		valid_dot_shape(septagon).
2582		valid_dot_shape(square).
2583		valid_dot_shape(star). % requires newer version of graphviz
2584		valid_dot_shape(tab). % requires newer version of graphviz
2585		valid_dot_shape(trapezium).
2586		valid_dot_shape(triangle).
2587		valid_dot_shape(tripleoctagon).
2588
2589		:- use_module(library(lists),[maplist/2]).
2590	?	valid_rgb_color(X) :- tk_color(X).
2591		valid_rgb_color(X) :- % check for composed colors like chocolate3
2592		atom_codes(X,Codes), append(Prefix,[Digit],Codes),
2593		Digit >= 48, Digit =< 57, Nr is Digit - 48, atom_codes(ColorName,Prefix),
2594		tk_color(ColorName,Low,Up),
2595		Nr >= Low, Nr =< Up.
2596		valid_rgb_color(X) :- valid_gray(X).
2597		valid_rgb_color(X) :- atom(X),atom_codes(X,[35|HexCodes]),
2598		length(HexCodes,Len),
2599		(Len=6 ; Len=8), % with Alpha codes
2600	?	maplist(hex,HexCodes). % should be of the form #ff00ff, optionally with alpha value
2601
2602		% colors which also accept numbers at end:
2603		tk_color(aquamarine,1,4).
2604		tk_color(azure,1,4).
2605		tk_color(bisque,1,4).
2606		tk_color(blue,1,4).
2607		tk_color(brown,1,4).
2608		tk_color(burlywood,1,4).
2609		tk_color('CadetBlue',1,4).
2610		tk_color(chartreuse,1,4).
2611		tk_color(chocolate,1,4).
2612		tk_color(coral,1,4).
2613		tk_color(cornsilk,1,4).
2614		tk_color(cyan,1,4).
2615		tk_color(deepskyblue,1,4).
2616		tk_color('DarkGoldenrod',1,4).
2617		tk_color('DarkOliveGreen',1,4).
2618		tk_color('DarkOrange',1,4).
2619		tk_color('DarkSeaGreen',1,4).
2620		tk_color('DarkSlateGray',1,4).
2621		tk_color('DeepPink',1,4).
2622		tk_color('DeepSkyBlue',1,4).
2623		tk_color('DodgerBlue',1,4).
2624		tk_color(firebrick,1,4).
2625		tk_color(gold,1,4).
2626		tk_color(goldenrod,1,4).
2627		tk_color(gray,0,99).
2628		tk_color(green,1,4).
2629		tk_color(grey,0,99).
2630		tk_color(honeydew,1,4).
2631		tk_color('HotPink',1,4).
2632		tk_color(indianred,1,4).
2633		tk_color('IndianRed',1,4).
2634		tk_color(ivory,1,4).
2635		tk_color(khaki,1,4).
2636		tk_color('LavenderBlush',1,4).
2637		tk_color('LemonChiffon',1,4).
2638		tk_color('LightBlue',1,4).
2639		tk_color('LightCyan',1,4).
2640		tk_color('LightGoldenrod',1,4).
2641		tk_color('LightPink',1,4).
2642		tk_color('LightSalmon',1,4).
2643		tk_color('LightSkyBlue',1,4).
2644		tk_color('LightSteelBlue',1,4).
2645		tk_color('LightYellow',1,4).
2646		tk_color(magenta,1,4).
2647		tk_color(maroon,1,4).
2648		tk_color('MediumOrchid',1,4).
2649		tk_color('MediumPurple',1,4).
2650		tk_color('MistyRose',1,4).
2651		tk_color('NavajoWhite',1,4).
2652		tk_color(orchid,1,4).
2653		tk_color(orange,1,4).
2654		tk_color(olivedrab,1,4).
2655		tk_color('OliveDrab',1,4).
2656		tk_color('OrangeRed',1,4).
2657		tk_color(mistyrose,1,4).
2658		tk_color(peachpuff,1,4).
2659		tk_color(pink,1,4).
2660		tk_color(plum,1,4).
2661		tk_color(purple,1,4).
2662		tk_color('PaleGreen',1,4).
2663		tk_color('PaleTurquoise',1,4).
2664		tk_color('PaleVioletRed',1,4).
2665		tk_color('PeachPuff',1,4).
2666		tk_color(red,1,4).
2667		tk_color(royalblue,1,4).
2668		tk_color('RosyBrown',1,4).
2669		tk_color('RoyalBlue',1,4).
2670		tk_color(salmon,1,4).
2671		tk_color(seagreen,1,4).
2672		tk_color(seashell,1,4).
2673		tk_color(sienna,1,4).
2674		tk_color(skyblue,1,4).
2675		tk_color(snow,1,4).
2676		tk_color(springgreen,1,4).
2677		tk_color(steelblue,1,4).
2678		tk_color('SeaGreen',1,4).
2679		tk_color('SkyBlue',1,4).
2680		tk_color('SlateBlue',1,4).
2681		tk_color('SlateGray',1,4).
2682		tk_color('SpringGreen',1,4).
2683		tk_color('SteelBlue',1,4).
2684		tk_color(tan,1,4).
2685		tk_color(thistle,1,4).
2686		tk_color(tomato,1,4).
2687		tk_color(turquoise,1,4).
2688		tk_color('VioletRed',1,4).
2689		tk_color(wheat,1,4).
2690		tk_color(yellow,1,4).
2691
2692
2693		tk_color(X) :- tk_color(X,_,_).
2694		tk_color('AliceBlue').
2695		tk_color(beige).
2696		tk_color(black).
2697		tk_color('BlanchedAlmond').
2698		tk_color('BlueViolet').
2699		tk_color(darkblue).
2700		tk_color(darkgray). % this is not a valid X11 color; but it is recognised by Tk (but not by sfdp)
2701		tk_color(darkgreen).
2702		tk_color(darkorange).
2703		tk_color(darkorchid).
2704		tk_color(darkred).
2705		tk_color(darkslateblue).
2706		tk_color(darkviolet).
2707		tk_color('DarkBlue').
2708		tk_color('DarkCyan').
2709		tk_color('DarkGray').
2710		tk_color('DarkGreen').
2711		tk_color('DarkGrey').
2712		tk_color('DarkKhaki').
2713		tk_color('DarkMagenta').
2714		tk_color('DarkRed').
2715		tk_color('DarkSalmon').
2716		tk_color('DarkSlateBlue').
2717		tk_color('DarkTurquoise').
2718		tk_color('DarkViolet').
2719		tk_color('DimGray').
2720		tk_color('DimGrey').
2721		tk_color('FloralWhite').
2722		tk_color('ForestGreen').
2723		tk_color(lightblue).
2724		tk_color(lightgray).
2725		tk_color('LawnGreen').
2726		tk_color('LightCoral').
2727		tk_color('LightGray').
2728		tk_color('LightGreen').
2729		tk_color('LightGrey').
2730		tk_color('LightSeaGreen').
2731		tk_color('LimeGreen').
2732		tk_color(moccasin).
2733		tk_color('MediumAquamarine').
2734		tk_color('MediumBlue').
2735		tk_color('MediumSeaGreen').
2736		tk_color('MediumSlateBlue').
2737		tk_color('MediumSpringGreen').
2738		tk_color('MediumTurquoise').
2739		tk_color('MediumVioletRed').
2740		tk_color('MidnightBlue').
2741		tk_color('MintCream').
2742		tk_color(navy).
2743		tk_color('NavyBlue').
2744		tk_color('OldLace').
2745		tk_color('PapayaWhip').
2746		tk_color('PowderBlue').
2747		tk_color(slateblue).
2748		tk_color(steelblue).
2749		tk_color('SaddleBrown').
2750		tk_color('SandyBrown').
2751		tk_color(violet).
2752		tk_color(white).
2753		tk_color('WhiteSmoke').
2754		tk_color('YellowGreen').
2755
2756		valid_gray(G) :- atom(G), atom_concat('gray',NAtom,G), atom_codes(NAtom,[N1|T]), digit(N1),
2757		(T=[] -> true ; T=[N2],digit(N2)).
2758		digit(N) :- N >47, N<58.
2759
2760
2761		hex(X) :- atomic(X), number(X), ((X<103,X>96) ; (X<71,X>64) ; (X>47,X<58)).
2762
2763		:- use_module(library(file_systems)).
2764		check_file_exists(X) :- file_exists(X) -> true ; add_message(preferences,'Warning file for preference does not exist: ',X).
2765		check_directory_exists(X) :-
2766		directory_exists(X) -> true ; add_message(preferences,'Warning directory for preference does not exist: ',X).
2767		:- public check_path_exists/1.
2768		check_path_exists(X) :- (file_exists(X) -> true
2769		; directory_exists(X) -> true
2770		; add_message(preferences,'Warning path for preference does not exist: ',X)).
2771
2772		:- dynamic temp_pref/3.
2773		% use to temporarily set preferences;
2774		% changes can be undone with reset_temporary_preference
2775		% change will not be saved if reset_temporary_preference not called (e.g., due to bug/timeout/Ctrl-C)
2776		temporary_set_preference(Pref,Val) :- temporary_set_preference(Pref,Val,_).
2777		temporary_set_preference(Pref,Val,ChangeOccured) :- get_preference(Pref,OldVal),!,
2778		(OldVal=Val -> ChangeOccured=false
2779		; set_preference_direct(Pref,Val,_), ChangeOccured = true,
2780		asserta(temp_pref(Pref,OldVal,Val))
2781		%,debug:debug_println(9,temp_set_pref(Pref,Val))
2782		).
2783		% Note: assertz(p(1)), assertz(p(2)), retract(p(X)), retract(p(Y)) -> X=1, Y=2
2784		% Note: asserta(p(1)), asserta(p(2)), retract(p(X)), retract(p(Y)) -> X=2, Y=1
2785
2786		reset_temporary_preference(P) :-
2787		reset_temporary_preference(P,true). % we assume a change occured
2788		reset_temporary_preference(_P,ChangeOccured) :-
2789		ChangeOccured==false,!. % nothing to do, either no change or not executed
2790		% Note: if ChangeOccured is var, the temporary_set_preference call was not executed (time_out or exception)
2791		reset_temporary_preference(Pref,_) :-
2792	?	(retract(temp_pref(Pref,OldVal,_NewVal))
2793		-> set_preference_direct(Pref,OldVal,_)
2794		; true).
2795
2796	?	reset_all_temporary_preferences :- retract(temp_pref(Pref,OldVal,_)),set_preference(Pref,OldVal),fail.
2797		reset_all_temporary_preferences.
2798
2799		% this set_preference does not update change flag and performs no preference_update_action
2800		set_preference_direct(Pref,Val,_) :- var(Pref),!,
2801		print_error('Variable as preference not allowed'),
2802		print_error(set_preference(Pref,Val)),
2803		fail.
2804		set_preference_direct(Pref,Val,OldVal) :- read_only_preference(Pref),!,
2805		print_error('Preference is read-only'),
2806		print_error(set_preference(Pref,Val)),
2807		% do not fail, the Rodin plugin calls this when switching workspaces
2808		preference(Pref,OldVal).
2809		set_preference_direct(Pref,Val,OldVal) :-
2810		% format(user_output,'~nset_preference ~w to ~w (~w)~n~n',[Pref,Val,OldVal]),
2811		(preference_val_type(Pref,Type)
2812	?	-> (is_of_type(Val,Type)
2813		-> NewVal=Val
2814		; convert_pref(Val,Type,NewVal), is_of_type(NewVal,Type)
2815		-> true
2816		; format_error_with_nl('New preference value for ~w of incorrect type (expected ~w): ~w',[Pref,Type,Val]),
2817		%Val =.. L, print_error(val(L)),
2818		print_error('No changes performed!'),
2819		fail
2820		)
2821		; obsolete_preference(Pref) -> print_error('Obsolete preference'), print_error(Pref)
2822		; print_error('Do not know type of preference'), print_error(Pref)
2823		),
2824		(retract(preference(Pref,OLD)) -> OldVal=OLD ; OldVal = '$none'),
2825		assertz(preference(Pref,NewVal)),
2826		(OldVal=NewVal -> true
2827		; preference_update_action(Pref,NewVal) -> true).
2828
2829		% in case the preferences are set by user using upper-case TRUE and FALSE
2830		convert_pref('TRUE',T,true) :- bool_type(T).
2831		convert_pref('FALSE',T,false) :- bool_type(T).
2832		convert_pref('FULL',T,full) :- xbool_type(T).
2833		convert_pref('DEFAULT',dbool,default).
2834		bool_type(bool).
2835		bool_type(dbool).
2836		bool_type(T) :- xbool_type(T).
2837		xbool_type(xbool).
2838		xbool_type(axbool).
2839
2840		set_preference(Pref,Val) :-
2841		set_preference_direct(Pref,Val,OldVal),
2842		retractall(temp_pref(Pref,_,_)), % user has overriden temporary choice
2843		(OldVal=Val -> true ; assert_change_flag).
2844
2845
2846
2847		tcltk_get_preference(Pref,Val) :- /* same as get_preference, but convert non-atomic into atoms */
2848		get_preference(Pref,V),
2849		(atomic(V) -> Val=V
2850		; translate_term_into_atom(V,Val)
2851		).
2852
2853		get_preference(Pref,Val) :-
2854		(preference(Pref,V)
2855		-> Val=V
2856		; (preference_default_value(Pref,V)
2857		-> Val=V
2858		; (obsolete_preference(Pref)
2859		-> print_error('Obsolete preference in get_preference:')
2860		; print_error('Invalid preference in get_preference:')
2861		),
2862		print_error(Pref),
2863		Val = 0
2864		)
2865		).
2866
2867		% --------------
2868
2869		% rules for computed/derived preferences:
2870		get_computed_preference(debug_time_out,Res) :-
2871		preference(debug_time_out_factor,TFactor), !,
2872		get_time_out_preference_with_factor(TFactor,Res).
2873		get_computed_preference(convert_closures_into_explicit_form_for_store,Value) :-
2874		preference(convert_comprehension_sets_into_closures,SymbolicV),!,
2875		(SymbolicV=true -> Value=false ; Value=true).
2876		get_computed_preference(X,_) :- print_error('Invalid Preference in get_computed_preference:'),
2877		print_error(X).
2878
2879
2880
2881		% --------------
2882
2883		get_time_out_preference_with_factor(TFactor,Res) :-
2884		preference(time_out,CurTO),
2885		(disabled_time_out(CurTO)
2886		-> disabled_time_out(Res) % keep disabled_time_out value
2887		; DTimeOut is round(CurTO * TFactor),
2888		prune_time_out_preference(DTimeOut,Res)).
2889		add_time_outs(TO1,TO2,ResTO) :-
2890		(disabled_time_out(TO1) -> ResTO=TO1
2891		; disabled_time_out(TO2) -> ResTO=TO2
2892		; ResTO is integer(TO1)+integer(TO2)
2893		).
2894
2895		% value of 2147483646 means time-out was disabled, 600 hours; should we move to 64 bits ?
2896		disabled_time_out(2147483646). % cf no_time_out_value in tools_meta
2897		prune_time_out_preference(X,Res) :- (X>= 2147483646 -> disabled_time_out(Res) ; Res=X).
2898
2899		time_out_preference_disabled :- preference(time_out,2147483646).
2900
2901		cur_pref_string(Pref,String) :-
2902		preference_description(Pref,Desc),
2903		(eclipse_preference(ECLPREF,Pref) -> ajoin([ECLPREF,': ',Desc],String)
2904		; String=Desc). %string_concatenate(Desc,';',String)).
2905		/* preference(Pref,Val),
2906		string_concatenate(Val,';',V1),
2907		string_concatenate(' = ',V1,V2),
2908		string_concatenate(Desc,V2,String). */
2909
2910		/* useful predicates for Tcl/Tk listbox interaction: */
2911		get_preferences_list(List) :-
2912		findall(S,cur_pref_string(_,S),List).
2913		get_preferences_list(Category,list(List)) :-
2914		findall(S,(virtual_preference_category(Pref,Category),cur_pref_string(Pref,S)),List).
2915
2916		% add some virtual categories like eclipse
2917		virtual_preference_category(Pref,Category) :- Category==eclipse,!,
2918		findall(e(E,P),(eclipse_preference(E,P), \+ preference_category(P,hidden)),List),
2919		sort(List,SList),
2920		member(e(_,Pref),SList).
2921		virtual_preference_category(Pref,Category) :- preference_description(Pref,_Desc), preference_category(Pref,Category).
2922		virtual_preference_category(Pref,Category) :- preference_description(Pref,_Desc),
2923		alternate_preference_category(Pref,Category).
2924
2925
2926		get_ith_preference_type(Pos,Type) :- get_ith_preference_type(_,Pos,Type).
2927		get_ith_preference_type(Category,Pos,Type) :-
2928		findall(S, (virtual_preference_category(Pref,Category),
2929		preference_val_type(Pref,S)), List),
2930		(nth1(Pos,List,FType) -> Type=FType
2931		; (add_error(get_ith_preference_type,'Could not find preference: ',nth1(Pos,List)),fail)).
2932
2933		get_ith_preference_value(Pos,Val) :- get_ith_preference_value(_,Pos,Val).
2934		get_ith_preference_value(Category,Pos,Val) :-
2935		findall(S, (virtual_preference_category(Pref,Category),
2936		tcltk_get_preference(Pref,S)), List),
2937		(nth1(Pos,List,FVal) -> Val=FVal
2938		; (add_error(get_ith_preference_value,'Could not find preference: ',nth1(Pos,List)),fail)).
2939
2940		set_ith_preference_value(Pos,Val) :- set_ith_preference_value(_,Pos,Val).
2941		set_ith_preference_value(Category,Pos,Val) :-
2942		findall(S, virtual_preference_category(S,Category), List),
2943		(nth1(Pos,List,Pref) -> set_preference(Pref,Val)
2944		; add_error(set_ith_preference_value,'Could not find preference: ',nth1(Pos,List)),fail).
2945
2946
2947		% a version of get_preference that will also generate warnings
2948		get_preference_with_warnings(Pref,Value) :- gen_preference_warnings(Pref),
2949		get_preference(Pref,Value).
2950
2951		% get detailed warnings about a preference value
2952		gen_preference_warnings(Pref) :-
2953		preference(Pref,Value),
2954		preference_val_type(Pref,T),
2955		\+ is_of_type(Value,T),
2956		ajoin(['The value of the preference ',Pref,' does not have the correct type:'],Msg),
2957		add_warning(preferences,Msg,T),
2958		fail.
2959		gen_preference_warnings(Pref) :-
2960		preference_val_type(Pref,path),
2961		preference(Pref,Value),
2962		get_modulename_filename(Value,Module),
2963		invalid_application(Pref,Module),
2964		ajoin(['The path chosen for preference ',Pref,' seems to point to a wrong program:'],Msg),
2965		add_warning(preferences,Msg,Module),
2966		fail.
2967		gen_preference_warnings(_).
2968		% TODO: check e.g. that OPERATION_REUSE is not used in XTL mode,...
2969
2970		invalid_application(path_to_dotty,dot).
2971		invalid_application(path_to_dot,dotty).
2972
2973		/* ------------------------- */
2974
2975		:- dynamic nr_of_recent_documents/1.
2976		:- dynamic recent_documents/1.
2977		nr_of_recent_documents(0).
2978
2979		recompute_nr_of_recent_documents :-
2980		retractall(nr_of_recent_documents(_)),
2981		findall(X,recent_documents(X),List),
2982		length(List,Nr),
2983		assertz(nr_of_recent_documents(Nr)).
2984
2985
2986		:- dynamic add_recent_documents_active/0.
2987		add_recent_documents_active.
2988
2989		activate_recent_documents :- (add_recent_documents_active -> true ; assertz(add_recent_documents_active)).
2990
2991		deactivate_recent_documents :- retractall(add_recent_documents_active).
2992
2993		/* use to add a file to recent documents list */
2994		add_recent_document(_) :- \+ add_recent_documents_active, !.
2995		add_recent_document(Document) :-
2996		(retract(nr_of_recent_documents(Nr)) -> true ; Nr=0),
2997		(retract(recent_documents(Document))
2998		-> N1 =Nr ; N1 is Nr+1
2999		),
3000		(preference(number_of_recent_documents,Max) -> true ; Max=25),
3001		(N1>Max -> (retract(recent_documents(_)),assertz(nr_of_recent_documents(Nr)))
3002		; assertz(nr_of_recent_documents(N1))),
3003		assertz(recent_documents(Document)),
3004		assert_change_flag.
3005
3006		get_recent_documents(list(Res)) :-
3007		findall(X,recent_documents(X),List),
3008		reverse(List,Res).
3009
3010		clear_recent_documents :-
3011		retractall(recent_documents(_)),
3012		retractall(nr_of_recent_documents(_)),
3013		assertz(nr_of_recent_documents(0)).
3014
3015
3016		/* use to add a string to the searched patterns list */
3017		:- dynamic searched_patterns/1.
3018		:- dynamic replaced_patterns/1.
3019		:- dynamic eval_history_elements/1.
3020		:- dynamic eval_csp_history_elements/1.
3021		:- dynamic checked_ltl_formulas/1.
3022
3023
3024		add_element_to_history(Predicate,Pattern,MaxNumb) :-
3025		merge_prefix_with_suffix(number_of_,Predicate,Name),
3026		get_predicate_term_with_single_argument(Name,Nr,TermNum),
3027		(retract(TermNum) -> true ; Nr=0),
3028		get_predicate_term_with_single_argument(Predicate,Pattern,Term),
3029		(retract(Term) -> N1=Nr ; N1 is Nr+1),
3030		(preference(TermNum,Max) -> true ; Max=MaxNumb),
3031		get_predicate_term_with_single_argument(Predicate,_,Term1),
3032		(N1>Max -> (retract(Term1),assertz(TermNum))
3033		; get_predicate_term_with_single_argument(Name,N1,TermNum1),
3034		assertz(TermNum1)),assertz(Term),
3035		assert_change_flag.
3036
3037		% this will be used with checked_ltl_formulas, ... from tcltk_gui.tcl
3038		:- public searched_patterns/1, replaced_patterns/1, eval_history_elements/1, eval_csp_history_elements/1, checked_ltl_formulas/1.
3039		get_history_elements_list(Predicate,Reversed,list(Res)) :-
3040		get_predicate_term_with_single_argument(Predicate,X,Term),
3041		findall(X,Term,List),
3042		(Reversed=true -> reverse(List,Res); Res=List).
3043
3044
3045
3046		/* not used
3047		:- dynamic number_of_checked_ltl_formulas/1.
3048		number_of_checked_ltl_formulas(0).
3049		recompute_nr_of_checked_ltl_formulas :-
3050		retractall(number_of_checked_ltl_formulas(_)),
3051		findall(F,checked_ltl_formulas(F),List),
3052		length(List,Nr),assertz(number_of_checked_ltl_formulas(Nr)). */
3053
3054		merge_prefix_with_suffix(Prefix,Ending,Name) :-
3055		atom_codes(Prefix,Pr),atom_codes(Ending,End),
3056		append(Pr,End,CodeName),atom_codes(Name,CodeName).
3057
3058		get_predicate_term_with_single_argument(Name,Arg,Term) :-
3059		functor(Term,Name,1),arg(1,Term,Arg).
3060
3061
3062		/* ------------------------- */
3063
3064		:- dynamic prob_application_type/1.
3065		prob_application_type(unknown).
3066
3067		get_prob_application_type(X) :- prob_application_type(X).
3068		set_prob_application_type(X) :- retractall(prob_application_type(_)), assertz(prob_application_type(X)).
3069		% can be tcltk, probcli, prob2, rodin, ...
3070		% TODO: call set_prob_application_type(prob2) via some flag when starting from ProB2/ProB2-UI
3071
3072		/* ------------------------- */
3073
3074		% used by -pref_group Group procli command
3075		set_preference_group(Group,_) :- \+ preference_group_description(Group,_),!,
3076		add_error(set_preference_mode,'Preference mode does not exist: ',Group).
3077		set_preference_group(Group,default) :-
3078		preference_group_val(Group,Scheme,_,_),!, % pick one scheme and reset all values of that scheme to default
3079		( preference_group_val(Group,Scheme,Pref,_),preference_default_value(Pref,Val),
3080		set_preference(Pref,Val),fail
3081		; true).
3082	?	set_preference_group(Group,Scheme) :- \+ preference_group_val(Group,Scheme,_,_),!,
3083		add_error(set_preference_mode,'Preference scheme does not exist: ',Group:Scheme).
3084	?	set_preference_group(Group,Scheme) :- preference_group_val(Group,Scheme,Pref,Val),
3085		set_preference(Pref,Val),fail.
3086		set_preference_group(_,_).
3087
3088
3089		preference_group_description(integer,'Values for MAXINT and MININT').
3090		preference_group_description(time_out,'To disable TIME_OUT').
3091		preference_group_description(model_check,'Model Checking Limits').
3092		preference_group_description(dot_colors,'Colours for Dot graphs').
3093		preference_group_description(sh_colors,'Colours for Syntax Highlighting').
3094
3095		preference_group_val(integer,int64,maxint, 9223372036854775807). % 2**63-1
3096		preference_group_val(integer,int64,minint,-9223372036854775808). %-2**63
3097		preference_group_val(integer,int32,maxint,2147483647). % 2**31-1
3098		preference_group_val(integer,int32,minint,-2147483648). %-2**31
3099		preference_group_val(integer,int8,maxint,127).
3100		preference_group_val(integer,int8,minint,-128).
3101
3102		preference_group_val(time_out,disable_time_out,time_out,TO) :- disabled_time_out(TO). % this value turns time_out off, e.g., in safe_time_out
3103
3104		preference_group_val(model_check,unlimited,time_out,TO) :- disabled_time_out(TO). % this value turns time_out off
3105		preference_group_val(model_check,unlimited,maxNrOfInitialisations,Max) :- current_prolog_flag(max_tagged_integer,Max).
3106		preference_group_val(model_check,unlimited,maxNrOfEnablingsPerOperation,Max) :- current_prolog_flag(max_tagged_integer,Max).
3107		preference_group_val(model_check,disable_max,maxNrOfInitialisations,Max) :- current_prolog_flag(max_tagged_integer,Max).
3108		preference_group_val(model_check,disable_max,maxNrOfEnablingsPerOperation,Max) :- current_prolog_flag(max_tagged_integer,Max).
3109
3110		preference_group_val(dot_colors,classic,dot_normal_node_colour, olivedrab2).
3111		preference_group_val(dot_colors,classic,dot_normal_arc_colour,steelblue).
3112		preference_group_val(dot_colors,classic,dot_open_node_colour,red).
3113		preference_group_val(dot_colors,classic,dot_goal_node_colour,orange).
3114		preference_group_val(dot_colors,classic,dot_invariant_violated_node_colour,maroon2).
3115		preference_group_val(dot_colors,classic,dot_counterexample_node_colour,brown).
3116		preference_group_val(dot_colors,classic,dot_counterexample_op_colour,brown).
3117
3118		preference_group_val(dot_colors,winter,dot_normal_node_colour, '#425955').
3119		preference_group_val(dot_colors,winter,dot_normal_arc_colour,'#1B1D26').
3120		preference_group_val(dot_colors,winter,dot_open_node_colour,'#BFBD9F').
3121		preference_group_val(dot_colors,winter,dot_goal_node_colour,'#CC8604').
3122		preference_group_val(dot_colors,winter,dot_invariant_violated_node_colour,'#9C080C').
3123
3124		preference_group_val(dot_colors,dreams,dot_normal_node_colour, '#5D7359').
3125		preference_group_val(dot_colors,dreams,dot_invariant_violated_node_colour,'#661C0E').
3126		preference_group_val(dot_colors,dreams,dot_normal_arc_colour,'#8C5430').
3127		preference_group_val(dot_colors,dreams,dot_open_node_colour,'#D6AA5C').
3128		preference_group_val(dot_colors,dreams,dot_goal_node_colour,'#FFC800').
3129
3130		preference_group_val(dot_colors,solarized,dot_normal_node_colour, '#859900').
3131		preference_group_val(dot_colors,solarized,dot_normal_arc_colour,'#268bd2').
3132		preference_group_val(dot_colors,solarized,dot_open_node_colour,'#dc322f').
3133		preference_group_val(dot_colors,solarized,dot_goal_node_colour,'#cb4b16').
3134		preference_group_val(dot_colors,solarized,dot_invariant_violated_node_colour,'#dc322f').
3135		preference_group_val(dot_colors,solarized,dot_counterexample_node_colour,'#dc322f').
3136		preference_group_val(dot_colors,solarized,dot_counterexample_op_colour,'#d33682').
3137
3138
3139		preference_group_val(sh_colors,solarized,sh_type_colour,'#dc322f'). % $red
3140		preference_group_val(sh_colors,solarized,sh_logical_colour,'#cb4b16'). % $orange
3141		preference_group_val(sh_colors,solarized,sh_assignments_colour,'#268bd2'). % $blue
3142		preference_group_val(sh_colors,solarized,sh_operators,'#2aa198'). % $cyan
3143		preference_group_val(sh_colors,solarized,sh_top_level_keywords,'#6c71c4'). % $violet
3144		preference_group_val(sh_colors,solarized,sh_control_keywords,'#d33682'). % $magenta
3145		preference_group_val(sh_colors,solarized,sh_comments,'#93a1a1'). % $base1
3146		preference_group_val(sh_colors,solarized,sh_pragmas,'#859900'). % $green
3147		preference_group_val(sh_colors,solarized,sh_unsupported_background,'#b58900'). % $yellow
3148
3149		:- use_module(eventhandling,[register_event_listener/3]).
3150		:- register_event_listener(startup_prob,init_preferences,
3151		'Initialise Preferences').
3152		:- register_event_listener(clear_specification,reset_all_temporary_preferences,
3153		'Reset Temporary Preferences.').
3154		:- register_event_listener(start_unit_tests,(backup_preferences,
3155		set_preference(minint,-1),
3156		set_preference(maxint,3),
3157		set_preference(translate_print_all_sequences,false),
3158		set_preference(translate_print_cs_style_sequences,false)
3159		),
3160		'Setting up Preferences for Unit Tests').
3161		:- register_event_listener(stop_unit_tests, revert_preferences, 'Reverting Preferences').
3162		:- register_event_listener(reset_prob,(reset_all_temporary_preferences, reset_to_defaults),
3163		'Reset Preferences just like after starup_prob').