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fix hidden tautology bug on non-learned clauses

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2018-01-21 23:18:41 -08:00
parent ece5ad90e0
commit 3b1810d893
7 changed files with 22 additions and 13 deletions
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3
src/sat/sat_elim_vars.cpp
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@ -88,6 +88,7 @@ namespace sat{
simp.collect_clauses(pos_l, simp.m_pos_cls);
simp.collect_clauses(neg_l, simp.m_neg_cls);
VERIFY(!simp.is_external(v));
model_converter::entry & mc_entry = s.m_mc.mk(model_converter::ELIM_VAR, v);
simp.save_clauses(mc_entry, simp.m_pos_cls);
simp.save_clauses(mc_entry, simp.m_neg_cls);
@ -100,7 +101,7 @@ namespace sat{
pos_occs.reset();
neg_occs.reset();
literal_vector lits;
add_clauses(b, lits);
add_clauses(b, lits);
return true;
}