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allow for propagations the trigger make-feasible check

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This commit is contained in:
Nikolaj Bjorner 2023-10-19 16:08:35 -07:00
parent 8c00181815
commit 97058b0d5d
5 changed files with 23 additions and 21 deletions
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12
src/math/lp/nla_core.cpp
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@ -819,6 +819,7 @@ void core::clear() {
m_fixed_equalities.clear();
m_equalities.clear();
m_conflicts = 0;
m_check_feasible = false;
}
void core::init_search() {
@ -1192,11 +1193,7 @@ void core::negate_relation(new_lemma& lemma, unsigned j, const rational& a) {
}
bool core::conflict_found() const {
for (const auto & l : m_lemmas) {
if (l.is_conflict())
return true;
}
return false;
return any_of(m_lemmas, [&](const auto& l) { return l.is_conflict(); });
}
bool core::done() const {
@ -1555,7 +1552,7 @@ lbool core::check() {
bool run_bounded_nlsat = should_run_bounded_nlsat();
bool run_bounds = params().arith_nl_branching();
auto no_effect = [&]() { return !done() && m_lemmas.empty() && m_literals.empty(); };
auto no_effect = [&]() { return !done() && m_lemmas.empty() && m_literals.empty() && !m_check_feasible; };
if (no_effect())
m_monomial_bounds.propagate();
@ -1573,6 +1570,7 @@ lbool core::check() {
{1, check2},
{1, check3} };
check_weighted(3, checks);
if (!m_lemmas.empty() || !m_literals.empty())
return l_false;
}
@ -1610,7 +1608,7 @@ lbool core::check() {
lp_settings().stats().m_nra_calls++;
}
if (ret == l_undef && !m_lemmas.empty() && m_reslim.inc())
if (ret == l_undef && !no_effect() && m_reslim.inc())
ret = l_false;
lp_settings().stats().m_nla_lemmas += m_lemmas.size();