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prevent infinite loop of axiom generation. working StartsWith

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This commit is contained in:
Murphy Berzish 2016-06-14 16:42:46 -04:00
parent c5ffb012dd
commit 4f131ebba7
2 changed files with 17 additions and 0 deletions
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5
src/smt/theory_str.h
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@ -110,6 +110,11 @@ namespace smt {
ptr_vector<enode> m_axiom_CharAt_todo;
ptr_vector<enode> m_axiom_StartsWith_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
obj_hashtable<expr> axiomatized_terms;
int tmpStringVarCount;
int tmpXorVarCount;
int tmpLenTestVarCount;