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https://github.com/Z3Prover/z3
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simplify code
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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parent
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@ -268,18 +268,6 @@ namespace euf {
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}
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}
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m_egraph.end_explain();
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unsigned nv = s().num_vars();
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expr_ref_vector eqs(m);
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if (create_hint) {
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// add negated equalities to hint.
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for (auto const& [a,b] : m_hint_eqs) {
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eqs.push_back(m.mk_eq(a->get_expr(), b->get_expr()));
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set_tmp_bool_var(nv, eqs.back());
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m_hint_lits.push_back(literal(nv, false));
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++nv;
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}
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hint = mk_hint(m_euf, l);
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}
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CTRACE("euf", probing, tout << "explain " << l << " <- " << r << "\n");
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unsigned j = 0;
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@ -289,10 +277,21 @@ namespace euf {
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CTRACE("euf", create_hint, tout << "explain " << l << " <- " << m_hint_lits << "\n");
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DEBUG_CODE(for (auto lit : r) SASSERT(s().value(lit) == l_true););
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if (!probing)
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if (create_hint) {
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unsigned nv = s().num_vars();
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expr_ref_vector eqs(m);
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// add equalities to hint.
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for (auto const& [a,b] : m_hint_eqs) {
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eqs.push_back(m.mk_eq(a->get_expr(), b->get_expr()));
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set_tmp_bool_var(nv, eqs.back());
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m_hint_lits.push_back(literal(nv, false));
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++nv;
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}
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hint = mk_hint(m_euf, l);
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log_antecedents(l, r, hint);
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for (unsigned v = s().num_vars(); v < nv; ++v)
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set_tmp_bool_var(v, nullptr);
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for (unsigned v = s().num_vars(); v < nv; ++v)
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set_tmp_bool_var(v, nullptr);
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}
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}
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void solver::get_th_antecedents(literal l, th_explain& jst, literal_vector& r, bool probing) {
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