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have sat cleaner use a fixed-point

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2019-01-10 11:38:35 -08:00
parent 9c318ed304
commit efaab6d8fd
4 changed files with 94 additions and 80 deletions
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12
src/sat/sat_cleaner.cpp
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@ -192,10 +192,14 @@ namespace sat {
report rpt(*this);
m_last_num_units = trail_sz;
m_cleanup_counter = 0;
cleanup_watches();
cleanup_clauses(s.m_clauses);
cleanup_clauses(s.m_learned);
s.propagate(false);
do {
trail_sz = s.m_trail.size();
cleanup_watches();
cleanup_clauses(s.m_clauses);
cleanup_clauses(s.m_learned);
s.propagate(false);
}
while (trail_sz < s.m_trail.size());
CASSERT("cleaner_bug", s.check_invariant());
return true;
}