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z3str3: heuristics for predicates over int-to-string terms

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Murphy Berzish 2020-05-12 21:35:24 -04:00
parent 22d0dd863b
commit 51beeec92f
2 changed files with 107 additions and 0 deletions
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5
src/smt/theory_str.h
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@ -645,6 +645,7 @@ protected:
app * mk_value_helper(app * n);
expr * get_eqc_value(expr * n, bool & hasEqcValue);
bool get_string_constant_eqc(expr * n, zstring & stringVal);
expr * z3str2_get_eqc_value(expr * n , bool & hasEqcValue);
bool in_same_eqc(expr * n1, expr * n2);
expr * collect_eq_nodes(expr * n, expr_ref_vector & eqcSet);
@ -720,6 +721,10 @@ protected:
bool new_eq_check(expr * lhs, expr * rhs);
void group_terms_by_eqc(expr * n, std::set<expr*> & concats, std::set<expr*> & vars, std::set<expr*> & consts);
void check_consistency_prefix(expr * e, bool is_true);
void check_consistency_suffix(expr * e, bool is_true);
void check_consistency_contains(expr * e, bool is_true);
int ctx_dep_analysis(std::map<expr*, int> & strVarMap, std::map<expr*, int> & freeVarMap,
std::map<expr*, std::set<expr*> > & unrollGroupMap, std::map<expr*, std::map<expr*, int> > & var_eq_concat_map);
void trace_ctx_dep(std::ofstream & tout,