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#5753

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get_antecedent has to be well-founded. It got broken when using eval during propagation and egraph explain during conflict resolution.
This commit is contained in:
Nikolaj Bjorner 2022-01-15 09:35:25 -08:00
parent d09abdf58e
commit 74824ac901
10 changed files with 53 additions and 4547 deletions
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15
src/sat/smt/q_eval.cpp
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@ -246,20 +246,5 @@ namespace q {
}
return m_eval[e->get_id()];
}
void eval::explain(sat::literal l, justification& j, sat::literal_vector& r, bool probing) {
clause& c = j.m_clause;
for (unsigned i = 0; i < j.m_num_ev; ++i) {
auto [a, b] = j.m_evidence[i];
SASSERT(a->get_root() == b->get_root() || ctx.get_egraph().are_diseq(a, b));
if (a->get_root() == b->get_root())
ctx.add_antecedent(a, b);
else
ctx.add_diseq_antecedent(a, b);
}
r.push_back(c.m_literal);
(void)probing; // ignored
}
}