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add facility to dispense with cancellation (not activated at this point). Address #961 by expanding recurisve function definitions that are not tautologies if the current model does not validate

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2017-04-07 21:22:38 -07:00
parent 0c4b792dac
commit ec29a03c8f
8 changed files with 62 additions and 28 deletions
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src/smt/smt_model_checker.h
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@ -59,7 +59,8 @@ namespace smt {
void assert_neg_q_m(quantifier * q, expr_ref_vector & sks);
bool add_blocking_clause(model * cex, expr_ref_vector & sks);
bool check(quantifier * q);
bool check_rec_fun(quantifier* q);
bool check_rec_fun(quantifier* q, bool strict_rec_fun);
void check_quantifiers(bool strict_rec_fun, bool& found_relevant, unsigned& num_failures);
struct instance {
quantifier * m_q;