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add DDNF based engine

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2014-08-21 18:04:46 -07:00
parent 8822bc1755
commit b596828d23
11 changed files with 761 additions and 11 deletions
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15
src/sat/sat_solver.cpp
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@ -902,6 +902,11 @@ namespace sat {
m_assumption_set.reset();
push();
propagate(false);
if (inconsistent()) {
return;
}
TRACE("sat",
for (unsigned i = 0; i < num_lits; ++i)
tout << lits[i] << " ";
@ -916,15 +921,17 @@ namespace sat {
m_assumption_set.insert(_l_); \
m_assumptions.push_back(_l_); \
assign(_l_, justification()); \
// propagate(false); \
for (unsigned i = 0; !inconsistent() && i < m_user_scope_literals.size(); ++i) {
literal nlit = ~m_user_scope_literals[i];
_INSERT_LIT(nlit);
}
for (unsigned i = 0; !inconsistent() && i < num_lits; ++i) {
literal lit = lits[i];
_INSERT_LIT(lit);
}
for (unsigned i = 0; !inconsistent() && i < m_user_scope_literals.size(); ++i) {
literal nlit = ~m_user_scope_literals[i];
_INSERT_LIT(nlit);
}
}
void solver::reinit_assumptions() {