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fix #3428

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-03-22 14:34:17 -07:00
parent 9366311844
commit 9f1530fdc0
1 changed files with 4 additions and 2 deletions
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6
src/qe/qe_mbp.cpp
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@ -207,9 +207,11 @@ class mbp::impl {
continue; continue;
} }
m_visited.mark(e); m_visited.mark(e);
if (m.is_bool(e) && !m.is_true(e) && !m.is_false(e)) { if (m.is_bool(e) && !m.is_true(e) && !m.is_false(e) && !m.canceled()) {
expr_ref val = eval(e); expr_ref val = eval(e);
TRACE("qe", tout << "found: " << mk_pp(e, m) << "\n";); TRACE("qe", tout << "found: " << mk_pp(e, m) << "\n";);
if (m.canceled())
continue;
SASSERT(m.is_true(val) || m.is_false(val)); SASSERT(m.is_true(val) || m.is_false(val));
if (!m_bool_visited.is_marked(e)) { if (!m_bool_visited.is_marked(e)) {
fmls.push_back(m.is_true(val) ? e : mk_not(m, e)); fmls.push_back(m.is_true(val) ? e : mk_not(m, e));
@ -229,7 +231,7 @@ class mbp::impl {
expr_ref tmp(m); expr_ref tmp(m);
sub(fml, tmp); sub(fml, tmp);
expr_ref val = eval(tmp); expr_ref val = eval(tmp);
SASSERT(m.is_true(val) || m.is_false(val)); SASSERT(m.is_true(val) || m.is_false(val) || m.canceled());
fmls.push_back(m.is_true(val) ? tmp : mk_not(m, tmp)); fmls.push_back(m.is_true(val) ? tmp : mk_not(m, tmp));
} }
return found_bool; return found_bool;