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add recursive function graphs to model, adapt rewriter to bypass branches whose evaluation is redundant

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2017-02-16 13:58:12 -08:00
parent c67cf1653c
commit b0dd3f3238
4 changed files with 63 additions and 0 deletions
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5
src/smt/smt_context.h
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@ -209,6 +209,7 @@ namespace smt {
~scoped_mk_model() {
if (m_ctx.m_proto_model.get() != 0) {
m_ctx.m_model = m_ctx.m_proto_model->mk_model();
m_ctx.add_rec_funs_to_model();
m_ctx.m_proto_model = 0; // proto_model is not needed anymore.
}
}
@ -1156,6 +1157,10 @@ namespace smt {
bool propagate();
void add_rec_funs_to_model();
bool is_fun_def(expr* f, expr* q, expr_ref& body);
public:
bool can_propagate() const;