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Polysat: conflict resolution updates (#5534)

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* variable elimination / saturation sketch

* conflict resolution updates
This commit is contained in:
Jakob Rath 2021-09-03 19:17:06 +02:00 • committed by GitHub
parent dc547510db
commit 9f387f5738
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14 changed files with 343 additions and 294 deletions
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5
src/math/polysat/constraint.cpp
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@ -269,4 +269,9 @@ namespace polysat {
narrow(s, is_positive);
}
void constraint::set_unit_clause(clause *cl) {
// can be seen as a cache... store the lowest-level unit clause for this constraint.
if (!cl || !m_unit_clause || m_unit_clause->level() > cl->level())
m_unit_clause = cl;
}
}