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fix infinite loop in internalize

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Nuno Lopes 2022-09-14 11:50:53 +01:00
parent 34969b71ee
commit 16ef89905d
2 changed files with 18 additions and 19 deletions
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35
src/smt/smt_context.cpp
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@ -3207,26 +3207,25 @@ namespace smt {
reduce_assertions();
if (get_cancel_flag())
return;
qhead = m_asserted_formulas.get_qhead();
if (!m_asserted_formulas.inconsistent()) {
unsigned sz = m_asserted_formulas.get_num_formulas();
while (qhead < sz) {
if (get_cancel_flag()) {
m_asserted_formulas.commit(qhead);
return;
}
expr * f = m_asserted_formulas.get_formula(qhead);
proof * pr = m_asserted_formulas.get_formula_proof(qhead);
SASSERT(!pr || f == m.get_fact(pr));
internalize_assertion(f, pr, 0);
qhead++;
}
m_asserted_formulas.commit();
}
if (m_asserted_formulas.inconsistent() && !inconsistent()) {
asserted_inconsistent();
if (m_asserted_formulas.inconsistent()) {
if (!inconsistent())
asserted_inconsistent();
break;
}
qhead = m_asserted_formulas.get_qhead();
unsigned sz = m_asserted_formulas.get_num_formulas();
while (qhead < sz) {
if (get_cancel_flag()) {
m_asserted_formulas.commit(qhead);
return;
}
expr * f = m_asserted_formulas.get_formula(qhead);
proof * pr = m_asserted_formulas.get_formula_proof(qhead);
SASSERT(!pr || f == m.get_fact(pr));
internalize_assertion(f, pr, 0);
++qhead;
}
m_asserted_formulas.commit();
}
while (qhead < m_asserted_formulas.get_num_formulas());