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This commit is contained in:
Nikolaj Bjorner 2021-01-29 13:39:14 -08:00
parent 41a4d102f4
commit 4af9132f2e
12 changed files with 263 additions and 108 deletions
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7
src/sat/smt/euf_solver.cpp
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@ -222,6 +222,13 @@ namespace euf {
m_egraph.explain_eq<size_t>(m_explain, a, b);
}
void solver::add_diseq_antecedent(enode* a, enode* b) {
sat::bool_var v = get_egraph().explain_diseq(m_explain, a, b);
SASSERT(v == sat::null_bool_var || s().value(v) == l_false);
if (v != sat::null_bool_var)
m_explain.push_back(to_ptr(sat::literal(v, false)));
}
bool solver::propagate(enode* a, enode* b, ext_justification_idx idx) {
if (a->get_root() == b->get_root())
return false;