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remove remove_var

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This commit is contained in:
Jakob Rath 2021-09-14 14:42:24 +02:00
parent 8103627e47
commit 66a41383e8
3 changed files with 3 additions and 27 deletions
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20
src/math/polysat/conflict_core.cpp
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@ -141,26 +141,6 @@ namespace polysat {
insert(c_new, c_new_premises);
}
void conflict_core::remove_var(pvar v) {
LOG("Removing v" << v << " from core");
unsigned j = 0;
for (unsigned i = 0; i < m_constraints.size(); ++i)
if (m_constraints[i]->contains_var(v))
unset_mark(m_constraints[i]);
else
m_constraints[j++] = m_constraints[i];
m_constraints.shrink(j);
indexed_uint_set literals_copy = m_literals; // TODO: can avoid copy (e.g., add a filter method for indexed_uint_set)
for (unsigned lit_idx : literals_copy) {
signed_constraint c = cm().lookup(sat::to_literal(lit_idx));
if (c->contains_var(v)) {
unset_mark(c);
m_literals.remove(lit_idx);
}
}
m_vars.remove(v);
}
void conflict_core::set_bailout() {
SASSERT(!is_bailout());
m_bailout = true;