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remove last references to unit clauses

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2021-09-20 17:36:07 -07:00
parent cd76fd9edd
commit ce12c51083
5 changed files with 2 additions and 26 deletions
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5
src/math/polysat/constraint.cpp
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@ -263,11 +263,6 @@ 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 = cl;
}
unsigned constraint::level(solver& s) const {
if (s.m_bvars.value(sat::literal(bvar())) != l_undef)