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fix wcnf front-end and unsat case in pd

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2015-08-23 14:24:51 -07:00
parent ee458fa601
commit 149549dd52
2 changed files with 34 additions and 11 deletions
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7
src/opt/maxres.cpp
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@ -239,7 +239,12 @@ public:
break;
case l_false:
is_sat = process_unsat();
if (is_sat != l_true) return is_sat;
if (is_sat == l_false) {
m_lower = m_upper;
}
if (is_sat == l_undef) {
return is_sat;
}
break;
case l_undef:
return l_undef;