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fix flipper

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2014-08-15 18:30:06 -07:00
parent be1cceba34
commit ddb9e6e8d4
7 changed files with 86 additions and 16 deletions
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15
src/sat/sat_solver.cpp
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@ -692,6 +692,7 @@ namespace sat {
}
wlist.set_end(it2);
}
SASSERT(m_qhead == m_trail.size());
SASSERT(!m_inconsistent);
return true;
}
@ -952,10 +953,15 @@ namespace sat {
/**
\brief Apply all simplifications.
*/
void solver::simplify_problem() {
pop(scope_lvl());
m_trail.reset();
// Disable simplification during MUS computation.
// if (m_mus.is_active()) return;
TRACE("sat", tout << "simplify\n";);
pop(scope_lvl());
SASSERT(scope_lvl() == 0);
@ -990,6 +996,9 @@ namespace sat {
m_ext->clauses_modifed();
m_ext->simplify();
}
TRACE("sat", display(tout << "consistent: " << (!inconsistent()) << "\n"););
reinit_assumptions();
}
@ -2144,7 +2153,7 @@ namespace sat {
// -----------------------
void solver::push() {
SASSERT(!inconsistent());
TRACE("sat", tout << "q:" << m_qhead << " trail: " << m_trail.size() << "\n";);
TRACE("sat_verbose", tout << "q:" << m_qhead << " trail: " << m_trail.size() << "\n";);
SASSERT(m_qhead == m_trail.size());
m_scopes.push_back(scope());
scope & s = m_scopes.back();