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@ -1806,6 +1806,8 @@ namespace sat {
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*/
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bool simplifier::resolve(clause_wrapper const & c1, clause_wrapper const & c2, literal l, literal_vector & r) {
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CTRACE("resolve_bug", !c1.contains(l), tout << c1 << "\n" << c2 << "\nl: " << l << "\n";);
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if (m_visited.size() <= 2*s.num_vars())
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m_visited.resize(2*s.num_vars(), false);
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SASSERT(c1.contains(l));
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SASSERT(c2.contains(~l));
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bool res = true;
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@ -1825,6 +1827,10 @@ namespace sat {
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literal l2 = c2[i];
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if (not_l == l2)
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continue;
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if ((~l2).index() >= m_visited.size()) {
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s.display(std::cout << l2 << " " << s.num_vars() << " " << m_visited.size() << "\n");
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exit(0);
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}
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if (m_visited[(~l2).index()]) {
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res = false;
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break;
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