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fix assertion violations (reported by Christoph Wintersteiger) at sage\app8\bench_2174.smt2, sage\app9\bench_1450.smt2, sage\app9\bench_1546.smt2

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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
This commit is contained in:
Leonardo de Moura 2013-11-04 12:26:20 -08:00
parent 88675ec728
commit 063f6fe15f
1 changed files with 1 additions and 1 deletions
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2
src/sat/sat_simplifier.cpp
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@ -407,7 +407,7 @@ namespace sat {
remove_clause(c2);
m_num_subsumed++;
}
else {
else if (!c2.was_removed()) {
// subsumption resolution
TRACE("subsumption_resolution", tout << c1 << " sub-ref(" << *l_it << ") " << c2 << "\n";);
elim_lit(c2, *l_it);