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tentative solution: use existing nullability check (we might want to check in the future which guards of the ITE are actually true)

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CEisenhofer 2026-04-14 18:07:03 +02:00
parent f09f6d5097
commit 82df1afeaf
9 changed files with 33 additions and 85 deletions
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src/smt/seq_model.cpp
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@ -558,7 +558,7 @@ namespace smt {
SASSERT(sat_node);
for (auto const& mem : sat_node->str_mems()) {
SASSERT(mem.m_str && mem.m_regex);
if (mem.is_trivial())
if (mem.is_trivial(sat_node))
continue; // empty string in nullable regex: already satisfied, no variable to constrain
VERIFY(mem.is_primitive()); // everything else should have been eliminated already
euf::snode* first = mem.m_str->first();