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fix variable tracking bug in explanations with literals

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This commit is contained in:
Nikolaj Bjorner 2022-09-01 23:26:31 -07:00
parent eb1ea9482e
commit e4ef1717e3
2 changed files with 4 additions and 3 deletions
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5
src/sat/smt/euf_proof.cpp
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@ -83,10 +83,11 @@ namespace euf {
expr_ref_vector eqs(m);
unsigned nv = s().num_vars();
auto add_lit = [&](enode_pair const& eq) {
unsigned v = nv;
++nv;
eqs.push_back(m.mk_eq(eq.first->get_expr(), eq.second->get_expr()));
set_tmp_bool_var(nv, eqs.back());
return literal(nv, false);
set_tmp_bool_var(v, eqs.back());
return literal(v, false);
};
for (auto lit : euf::th_explain::lits(jst))