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z3str3: add bitvector model construction algorithm

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Murphy Berzish 2020-01-16 15:27:32 -05:00 • committed by Nikolaj Bjorner
parent ff6b3304f8
commit faf3934749
6 changed files with 1427 additions and 35 deletions
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src/smt/params/smt_params_helper.pyg
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@ -90,6 +90,8 @@ def_module_params(module_name='smt',
('str.regex_automata_failed_automaton_threshold', UINT, 10, 'number of failed automaton construction attempts after which a full automaton is automatically built'),
('str.regex_automata_failed_intersection_threshold', UINT, 10, 'number of failed automaton intersection attempts after which intersection is always computed'),
('str.regex_automata_length_attempt_threshold', UINT, 10, 'number of length/path constraint attempts before checking unsatisfiability of regex terms'),
('str.fixed_length_models', BOOL, True, 'use fixed-length equation solver to construct models (Z3str3 only)'),
('str.fixed_length_refinement', BOOL, False, 'use abstraction refinement in fixed-length equation solver (Z3str3 only)'),
('core.minimize', BOOL, False, 'minimize unsat core produced by SMT context'),
('core.extend_patterns', BOOL, False, 'extend unsat core with literals that trigger (potential) quantifier instances'),
('core.extend_patterns.max_distance', UINT, UINT_MAX, 'limits the distance of a pattern-extended unsat core'),