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fix various nullability checks in seq_regex

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-06-03 12:28:32 -07:00
parent 377dbad3b9
commit 3a7df2c6ef
4 changed files with 22 additions and 16 deletions
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11
src/qe/qe_arith_plugin.cpp
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@ -2412,24 +2412,21 @@ public:
}
bool update_bounds(contains_app& contains_x, expr* fml) {
bounds_proc* bounds = nullptr;
if (m_bounds_cache.find(contains_x.x(), fml, bounds)) {
bounds_proc* _bounds = nullptr;
if (m_bounds_cache.find(contains_x.x(), fml, _bounds)) {
return true;
}
bounds = alloc(bounds_proc, m_util);
scoped_ptr<bounds_proc> bounds = alloc(bounds_proc, m_util);
if (!update_bounds(*bounds, contains_x, fml, m_ctx.pos_atoms(), true)) {
dealloc(bounds);
return false;
}
if (!update_bounds(*bounds, contains_x, fml, m_ctx.neg_atoms(), false)) {
dealloc(bounds);
return false;
}
m_trail.push_back(contains_x.x());
m_trail.push_back(fml);
m_bounds_cache.insert(contains_x.x(), fml, bounds);
m_bounds_cache.insert(contains_x.x(), fml, bounds.detach());
return true;
}
};