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regex path constraint generation (WIP)

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Murphy Berzish 2018-01-09 20:20:04 -05:00
parent 98691a2c49
commit bac5a648d9
2 changed files with 235 additions and 0 deletions
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src/smt/theory_str.h
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@ -538,6 +538,9 @@ protected:
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);
expr_ref generate_regex_path_constraints(expr * stringTerm, eautomaton * aut, rational lenVal);
void aut_path_add_next(u_map<expr*>& next, expr_ref_vector& trail, unsigned idx, expr* cond);
expr_ref aut_path_rewrite_constraint(expr * cond, expr * ch_var);
void set_up_axioms(expr * ex);
void handle_equality(expr * lhs, expr * rhs);