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#5445

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This commit is contained in:
Nikolaj Bjorner 2021-08-02 11:07:28 -07:00
parent 6c0a790576
commit d3194bb8a8
3 changed files with 23 additions and 12 deletions
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13
src/sat/smt/sat_dual_solver.cpp
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@ -93,14 +93,19 @@ namespace sat {
void dual_solver::add_root(unsigned sz, literal const* clause) {
flush();
if (sz == 1) {
if (false && sz == 1) {
TRACE("dual", tout << "unit: " << clause[0] << "\n";);
m_units.push_back(clause[0]);
return;
}
literal root(m_solver.mk_var(), false);
for (unsigned i = 0; i < sz; ++i)
m_solver.mk_clause(root, ~ext2lit(clause[i]), status::input());
literal root;
if (sz == 1)
root = ext2lit(clause[0]);
else {
root = literal(m_solver.mk_var(), false);
for (unsigned i = 0; i < sz; ++i)
m_solver.mk_clause(root, ~ext2lit(clause[i]), status::input());
}
m_roots.push_back(~root);
TRACE("dual", tout << "root: " << ~root << " => " << literal_vector(sz, clause) << "\n";);
}