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fix #4948

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This commit is contained in:
Nikolaj Bjorner 2021-01-11 19:26:16 -08:00
parent 0aac7e54a9
commit fc3a642876
2 changed files with 9 additions and 5 deletions
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9
src/opt/opt_solver.cpp
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@ -252,11 +252,10 @@ namespace opt {
auto decrement = [&]() {
SASSERT(has_shared);
if (l_true != decrement_value(i, val)) {
if (l_true != m_context.check(0, nullptr))
throw default_exception("maximization suspended");
m_context.get_model(m_last_model);
}
decrement_value(i, val);
if (l_true != m_context.check(0, nullptr))
throw default_exception("maximization suspended");
m_context.get_model(m_last_model);
};
if (!val.is_finite()) {

5
src/smt/theory_lra.cpp
View file

@ -3459,7 +3459,11 @@ public:
st = lp::lp_status::UNBOUNDED;
}
else {
if (lp().get_status() != lp::lp_status::OPTIMAL || lp().has_changed_columns())
make_feasible();
vi = get_lpvar(v);
st = lp().maximize_term(vi, term_max);
if (has_int() && lp().has_inf_int()) {
st = lp::lp_status::FEASIBLE;
@ -3483,6 +3487,7 @@ public:
return inf_eps(rational::zero(), val);
}
default:
std::cout << st << "\n";
SASSERT(st == lp::lp_status::UNBOUNDED);
TRACE("arith", display(tout << st << " v" << v << " vi: " << vi << "\n"););
has_shared = false;