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break on small cores

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2015-02-08 10:22:06 +01:00
parent f020b7c7b8
commit 8141dadc89
14 changed files with 80 additions and 31 deletions
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21
src/sat/sat_solver.cpp
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@ -923,9 +923,28 @@ namespace sat {
m_assumption_set.insert(lit);
if (m_config.m_soft_assumptions) {
if (value(lit) == l_undef) {
switch(value(lit)) {
case l_undef:
m_assumptions.push_back(lit);
assign(lit, justification());
break;
case l_false: {
set_conflict(lit);
flet<bool> _min1(m_config.m_minimize_core, false);
flet<bool> _min2(m_config.m_minimize_core_partial, false);
resolve_conflict_for_unsat_core();
SASSERT(m_core.size() <= m_assumptions.size());
if (m_core.size() <= 3 ||
m_core.size() <= i - m_assumptions.size() + 1) {
return;
}
else {
m_inconsistent = false;
}
break;
}
case l_true:
break;
}
propagate(false);
}