def_module_params('fixedpoint', description='fixedpoint parameters', export=True, params=(('timeout', UINT, UINT_MAX, 'set timeout'), ('engine', SYMBOL, 'auto-config', 'Select: auto-config, datalog, pdr, bmc'), ('default_table', SYMBOL, 'sparse', 'default table implementation: sparse, hashtable, bitvector, interval'), ('default_relation', SYMBOL, 'pentagon', 'default relation implementation: external_relation, pentagon'), ('generate_explanations', BOOL, False, '(DATALOG) produce explanations for produced facts when using the datalog engine'), ('use_map_names', BOOL, True, "(DATALOG) use names from map files when displaying tuples"), ('bit_blast', BOOL, False, '(PDR) bit-blast bit-vectors'), ('explanations_on_relation_level', BOOL, False, '(DATALOG) if true, explanations are generated as history of each relation, rather than per fact (generate_explanations must be set to true for this option to have any effect)'), ('magic_sets_for_queries', BOOL, False, "(DATALOG) magic set transformation will be used for queries"), ('magic', BOOL, False, "perform symbolic magic set transformation"), ('scale', BOOL, False, "add scaling variable to linear real arithemtic clauses"), ('unbound_compressor', BOOL, True, "auxiliary relations will be introduced to avoid unbound variables in rule heads"), ('similarity_compressor', BOOL, True, "(DATALOG) rules that differ only in values of constants will be merged into a single rule"), ('similarity_compressor_threshold', UINT, 11, "(DATALOG) if similarity_compressor is on, this value determines how many similar rules there must be in order for them to be merged"), ('all_or_nothing_deltas', BOOL, False, "(DATALOG) compile rules so that it is enough for the delta relation in union and widening operations to determine only whether the updated relation was modified or not"), ('compile_with_widening', BOOL, False, "(DATALOG) widening will be used to compile recursive rules"), ('eager_emptiness_checking', BOOL, True, "(DATALOG) emptiness of affected relations will be checked after each instruction, so that we may ommit unnecessary instructions"), ('default_table_checked', BOOL, False, "if true, the detault table will be default_table inside a wrapper that checks that its results are the same as of default_table_checker table"), ('default_table_checker', SYMBOL, 'null', "see default_table_checked"), ('initial_restart_timeout', UINT, 0, "length of saturation run before the first restart (in ms), zero means no restarts"), ('output_profile', BOOL, False, "determines whether profile informations should be output when outputting Datalog rules or instructions"), ('inline_linear', BOOL, True, "try linear inlining method"), ('inline_eager', BOOL, True, "try eager inlining of rules"), ('inline_linear_branch', BOOL, False, "try linear inlining method with potential expansion"), ('fix_unbound_vars', BOOL, False, "fix unbound variables in tail"), ('output_tuples', BOOL, True, "determines whether tuples for output predicates should be output"), ('print_with_fixedpoint_extensions', BOOL, True, "use SMT-LIB2 fixedpoint extensions, instead of pure SMT2, when printing rules"), ('print_low_level_smt2', BOOL, False, "use (faster) low-level SMT2 printer (the printer is scalable but the result may not be as readable)"), ('print_with_variable_declarations', BOOL, True, "use variable declarations when displaying rules (instead of attempting to use original names)"), ('bfs_model_search', BOOL, True, "PDR: use BFS strategy for expanding model search"), ('use_farkas', BOOL, True, "PDR: use lemma generator based on Farkas (for linear real arithmetic)"), ('generate_proof_trace', BOOL, False, "PDR: trace for 'sat' answer as proof object"), ('flexible_trace', BOOL, False, "PDR: allow PDR generate long counter-examples " "by extending candidate trace within search area"), ('unfold_rules', UINT, 0, "PDR: unfold rules statically using iterative squarring"), ('use_model_generalizer', BOOL, False, "PDR: use model for backwards propagation (instead of symbolic simulation)"), ('validate_result', BOOL, False, "PDR validate result (by proof checking or model checking)"), ('simplify_formulas_pre', BOOL, False, "PDR: simplify derived formulas before inductive propagation"), ('simplify_formulas_post', BOOL, False, "PDR: simplify derived formulas after inductive propagation"), ('slice', BOOL, True, "PDR: simplify clause set using slicing"), ('karr', BOOL, False, "Add linear invariants to clauses using Karr's method"), ('quantify_arrays', BOOL, False, "create quantified Horn clauses from clauses with arrays"), ('instantiate_quantifiers', BOOL, False, "instantiate quantified Horn clauses using E-matching heuristic"), ('coalesce_rules', BOOL, False, "BMC: coalesce rules"), ('use_multicore_generalizer', BOOL, False, "PDR: extract multiple cores for blocking states"), ('use_inductive_generalizer', BOOL, True, "PDR: generalize lemmas using induction strengthening"), ('use_arith_inductive_generalizer', BOOL, False, "PDR: generalize lemmas using arithmetic heuristics for induction strengthening"), ('use_convex_closure_generalizer', BOOL, False, "PDR: generalize using convex closures of lemmas"), ('use_convex_interior_generalizer', BOOL, False, "PDR: generalize using convex interiors of lemmas"), ('cache_mode', UINT, 0, "PDR: use no (0), symbolic (1) or explicit cache (2) for model search"), ('inductive_reachability_check', BOOL, False, "PDR: assume negation of the cube on the previous level when " "checking for reachability (not only during cube weakening)"), ('max_num_contexts', UINT, 500, "PDR: maximal number of contexts to create"), ('try_minimize_core', BOOL, False, "PDR: try to reduce core size (before inductive minimization)"), ('profile_timeout_milliseconds', UINT, 0, "instructions and rules that took less than the threshold will not be printed when printed the instruction/rule list"), ('dbg_fpr_nonempty_relation_signature', BOOL, False, "if true, finite_product_relation will attempt to avoid creating inner relation with empty signature " "by putting in half of the table columns, if it would have been empty otherwise"), ('print_answer', BOOL, False, 'print answer instance(s) to query'), ('print_certificate', BOOL, False, 'print certificate for reachability or non-reachability'), ('print_boogie_certificate', BOOL, False, 'print certificate for reachability or non-reachability using a format understood by Boogie'), ('print_statistics', BOOL, False, 'print statistics'), ('use_utvpi', BOOL, True, 'PDR: Enable UTVPI strategy'), ('tab_selection', SYMBOL, 'weight', 'selection method for tabular strategy: weight (default), first, var-use'), ('dump_aig', SYMBOL, '', 'Dump clauses in AIG text format (AAG) to the given file name'), ))