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Ensure core is conflicting also after set(v)

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This commit is contained in:
Jakob Rath 2021-09-14 11:24:09 +02:00
parent d9eca1f40f
commit f04345724c
1 changed files with 7 additions and 1 deletions
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8
src/math/polysat/conflict_core.cpp
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@ -96,6 +96,12 @@ namespace polysat {
LOG("Conflict: v" << v);
SASSERT(empty());
m_conflict_var = v;
for (auto c : s().m_cjust[v]) {
insert(c);
for (auto v : c->vars())
if (s().is_assigned(v))
m_vars.insert(v);
}
}
void conflict_core::insert(signed_constraint c) {
@ -253,7 +259,7 @@ namespace polysat {
// - cjust_v contains true constraints
// - core contains both false and true constraints (originally only false ones, but additional true ones may come from saturation)
if (is_bailout()) // TODO: don't we still need to track cjust/m_vars?
if (is_bailout())
return false;
if (conflict_var() == v) {