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avoid qsat when formulas are quantifier-free. Go directly to SMT

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2016-06-03 10:13:16 -07:00
parent c20b391cf7
commit 219b47822b
3 changed files with 8 additions and 2 deletions
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1
src/muz/pdr/pdr_context.cpp
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@ -889,6 +889,7 @@ namespace pdr {
void model_node::dequeue(model_node*& root) {
TRACE("pdr", tout << this << " " << state() << "\n";);
root = 0;
if (!m_next && !m_prev) return;
SASSERT(m_next);
SASSERT(m_prev);

3
src/muz/pdr/pdr_prop_solver.h
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@ -87,6 +87,9 @@ namespace pdr {
void set_subset_based_core(bool f) { m_subset_based_core = f; }
void set_consequences(expr_ref_vector* consequences) { m_consequences = consequences; }
void set_background_assumptions(expr_ref_vector const& assumptions);
bool assumes_level() const { return m_assumes_level; }
void add_level();