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handle empty clauses created as lemmas as unsat state.

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add unit tests
This commit is contained in:
Nikolaj Bjorner 2021-09-19 15:43:47 -04:00
parent c69c316b27
commit 1e3ff3179e
10 changed files with 113 additions and 80 deletions
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8
src/math/polysat/ule_constraint.h
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@ -23,13 +23,7 @@ namespace polysat {
pdd m_lhs;
pdd m_rhs;
ule_constraint(constraint_manager& m, pdd const& l, pdd const& r):
constraint(m, ckind_t::ule_t), m_lhs(l), m_rhs(r) {
m_vars.append(l.free_vars());
for (auto v : r.free_vars())
if (!m_vars.contains(v))
m_vars.push_back(v);
}
ule_constraint(constraint_manager& m, pdd const& l, pdd const& r);
public:
~ule_constraint() override {}