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more rewrite rules

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This commit is contained in:
Nikolaj Bjorner 2021-02-17 17:31:46 -08:00
parent bcad4d9435
commit e63dc7efc2
5 changed files with 150 additions and 39 deletions
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2
src/ast/rewriter/seq_axioms.h
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@ -62,10 +62,12 @@ namespace seq {
bool is_drop_last(expr* s, expr* i, expr* l);
bool is_tail(expr* s, expr* i, expr* l);
bool is_extract_prefix0(expr* s, expr* i, expr* l);
bool is_extract_suffix(expr* s, expr* i, expr* l);
void tail_axiom(expr* e, expr* s);
void drop_last_axiom(expr* e, expr* s);
void extract_prefix_axiom(expr* e, expr* s, expr* l);
void extract_suffix_axiom(expr* e, expr* s, expr* l);
void tightest_prefix(expr* s, expr* x);
public: