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strengthen support for int.to.str and length reasoning. Issue #589

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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Nikolaj Bjorner 2016-05-28 12:26:47 -07:00
parent 8c99d3c431
commit c3f498a640
9 changed files with 103 additions and 31 deletions
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1
src/smt/theory_seq.h
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@ -494,6 +494,7 @@ namespace smt {
void add_at_axiom(expr* n);
void add_in_re_axiom(expr* n);
bool add_itos_axiom(expr* n);
void add_itos_length_axiom(expr* n);
literal mk_literal(expr* n);
literal mk_eq_empty(expr* n, bool phase = true);
literal mk_seq_eq(expr* a, expr* b);