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fix fourth bug produced by repros by Mark Dunlop

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2019-01-27 18:11:18 -08:00
parent 1297eeb817
commit 94dae2da3a
6 changed files with 36 additions and 20 deletions
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2
src/smt/theory_pb.cpp
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@ -1924,6 +1924,7 @@ namespace smt {
process_antecedent(~js.get_literal(), offset);
break;
case b_justification::AXIOM:
bound = 0;
break;
case b_justification::JUSTIFICATION: {
justification* j = js.get_justification();
@ -1934,6 +1935,7 @@ namespace smt {
}
if (pbj == nullptr) {
TRACE("pb", tout << "skip justification for " << conseq << "\n";);
bound = 0;
// this is possible when conseq is an assumption.
// The justification of conseq is itself,
// don't increment the cofficient here because it assumes