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add path constraint generation for regex terms

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Murphy Berzish 2018-01-10 17:24:47 -05:00
parent bac5a648d9
commit 6b799706b5
5 changed files with 145 additions and 35 deletions
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src/smt/params/smt_params_helper.pyg
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@ -80,6 +80,7 @@ def_module_params(module_name='smt',
('str.finite_overlap_models', BOOL, False, 'attempt a finite model search for overlapping variables instead of completely giving up on the arrangement'),
('str.overlap_priority', DOUBLE, -0.1, 'theory-aware priority for overlapping variable cases; use smt.theory_aware_branching=true'),
('str.regex_automata', BOOL, True, 'use automata-based reasoning for regular expressions (Z3str3 only)'),
('str.regex_automata_difficulty_threshold', UINT, 1000, 'difficulty threshold for regex automata heuristics'),
('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'),