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another bug fix

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2021-11-24 13:37:15 +01:00
parent caef8d026f
commit adf41c5d02
2 changed files with 7 additions and 6 deletions
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12
src/math/polysat/viable.cpp
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@ -141,7 +141,7 @@ namespace polysat {
SASSERT(well_formed(m_viable[v]));
}
bool viable::has_viable(pvar v) {
bool viable::has_viable(pvar v) {
auto* e = m_viable[v];
if (!e)
return true;
@ -150,17 +150,16 @@ namespace polysat {
// quick check: last interval doesn't wrap around, so hi_val
// has not been covered
if (last->interval.lo_val() < last->interval.hi_val())
return true;
auto const& max_value = s.var2pdd(v).max_value();
if (last->interval.lo_val() < last->interval.hi_val())
return true;
do {
if (e->interval.is_full())
return false;
entry* n = e->next();
if (n == e)
return true;
if (e->interval.hi_val() < n->interval.lo_val())
if (!n->interval.currently_contains(e->interval.hi_val()))
return true;
if (n == first)
return e->interval.lo_val() <= e->interval.hi_val();
@ -276,6 +275,7 @@ namespace polysat {
}
bool viable::resolve(pvar v, conflict& core) {
std::cout << "resolve " << v << "\n";
if (has_viable(v))
return false;
auto* e = m_viable[v];

1
src/test/polysat.cpp
View file

@ -1068,6 +1068,7 @@ namespace polysat {
void tst_polysat() {
polysat::test_ineq_basic6();
// polysat::test_monot_bounds(8);