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introduce notion of beta redex to deal with lambdas in non-extensional positions

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2022-06-10 17:35:01 -07:00
parent b9b5377c69
commit 8efa3c8ade
10 changed files with 65 additions and 51 deletions
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src/smt/theory_seq.h
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@ -388,7 +388,6 @@ namespace smt {
bool internalize_atom(app* atom, bool) override;
bool internalize_term(app*) override;
void internalize_eq_eh(app * atom, bool_var v) override;
void suppress_lambda(app* term);
void new_eq_eh(theory_var, theory_var) override;
void new_diseq_eh(theory_var, theory_var) override;
void assign_eh(bool_var v, bool is_true) override;
@ -413,6 +412,7 @@ namespace smt {
void finalize_model(model_generator & mg) override;
void init_search_eh() override;
void validate_model(model& mdl) override;
bool is_beta_redex(enode* p, enode* n) const override;
void init_model(expr_ref_vector const& es);
app* get_ite_value(expr* a);