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testing mbi

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This commit is contained in:
Nikolaj Bjorner 2020-12-26 13:49:52 -08:00
parent d8eba2d72f
commit 374ae52d70
8 changed files with 101 additions and 118 deletions
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13
src/sat/smt/arith_solver.cpp
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@ -1126,27 +1126,24 @@ namespace arith {
void solver::set_conflict_or_lemma(literal_vector const& core, bool is_conflict) {
reset_evidence();
m_core.append(core);
TRACE("arith",
tout << "Core - " << is_conflict << "\n";
for (literal c : m_core) tout << literal2expr(c) << "\n";);
++m_num_conflicts;
++m_stats.m_conflicts;
for (auto const& ev : m_explanation)
set_evidence(ev.ci(), m_core, m_eqs);
TRACE("arith",
tout << "Lemma - " << (is_conflict ? "conflict" : "propagation") << "\n";
for (literal c : m_core) tout << literal2expr(c) << "\n";
for (auto p : m_eqs) tout << ctx.bpp(p.first) << " == " << ctx.bpp(p.second) << "\n";);
DEBUG_CODE(
if (is_conflict) {
for (literal c : m_core) VERIFY(s().value(c) == l_true);
for (auto p : m_eqs) VERIFY(p.first->get_root() == p.second->get_root());
});
for (auto const& eq : m_eqs)
m_core.push_back(eq_internalize(eq.first, eq.second));
m_core.push_back(ctx.mk_literal(m.mk_eq(eq.first->get_expr(), eq.second->get_expr())));
for (literal& c : m_core)
c.neg();
TRACE("arith", display(tout << "is-conflict: " << is_conflict << "\n");
tout << "Clause\n";
for (literal c : m_core) tout << literal2expr(c) << "\n";
);
add_clause(m_core);
}