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experimental axiom-persist for regex conflict clauses

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This commit is contained in:
Murphy Berzish 2018-03-15 13:56:44 -04:00
parent 11a339c490
commit 6bb9a82425
2 changed files with 26 additions and 3 deletions
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6
src/smt/theory_str.h
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@ -352,6 +352,10 @@ protected:
// enode lists for library-aware/high-level string terms (e.g. substr, contains)
ptr_vector<enode> m_library_aware_axiom_todo;
// list of axioms that are re-asserted every time the scope is popped
expr_ref_vector m_persisted_axioms;
expr_ref_vector m_persisted_axiom_todo;
// hashtable of all exprs for which we've already set up term-specific axioms --
// this prevents infinite recursive descent with respect to axioms that
// include an occurrence of the term for which axioms are being generated
@ -545,6 +549,8 @@ protected:
void instantiate_axiom_str_to_int(enode * e);
void instantiate_axiom_int_to_str(enode * e);
void add_persisted_axiom(expr * a);
expr * mk_RegexIn(expr * str, expr * regexp);
void instantiate_axiom_RegexIn(enode * e);
app * mk_unroll(expr * n, expr * bound);