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regex length linearity check WIP

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Murphy Berzish 2018-01-16 13:16:31 -05:00
parent 191cc30e2a
commit 6c4c9a10e4
2 changed files with 36 additions and 0 deletions
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src/smt/theory_str.h
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@ -544,6 +544,8 @@ protected:
// regex automata and length-aware regex
unsigned estimate_regex_complexity(expr * re);
unsigned estimate_regex_complexity_under_complement(expr * re);
bool check_regex_length_linearity(expr * re);
bool check_regex_length_linearity_helper(expr * re, bool already_star);
expr_ref infer_all_regex_lengths(expr * lenVar, expr * re, expr_ref_vector & freeVariables);
bool refine_automaton_lower_bound(eautomaton * aut, rational current_lower_bound, rational & refined_lower_bound);
bool refine_automaton_upper_bound(eautomaton * aut, rational current_upper_bound, rational & refined_upper_bound);