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fix #5862

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This commit is contained in:
Nikolaj Bjorner 2022-02-22 08:05:05 -08:00
parent 11030fc81d
commit c2f1bdc099
1 changed files with 4 additions and 2 deletions
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6
src/muz/transforms/dl_mk_coi_filter.cpp
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@ -133,9 +133,11 @@ namespace datalog {
if (engine.get_fact(pred).is_reachable())
should_keep = true;
else if (m_context.get_model_converter()) {
for (rule* pr : source.get_predicate_rules(pred))
for (rule* pr : source.get_predicate_rules(pred))
for (unsigned i = 0; i < pr->get_uninterpreted_tail_size(); ++i)
should_keep |= pr->get_tail(i)->get_decl() != pred;
if (pr->get_tail(i)->get_decl() != pred)
// don't try to eliminate across predicates
return nullptr;
}
else
continue;