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fix crash reported by Nikhil on F* due to unhandled exception while using the rewriter during search

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This commit is contained in:
Nikolaj Bjorner 2025-01-28 16:27:28 -08:00
parent 5c2a9d9936
commit fa605454fb
3 changed files with 16 additions and 3 deletions
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10
src/smt/smt_context.cpp
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@ -3512,6 +3512,7 @@ namespace smt {
TRACE("after_search", display(tout << "result: " << r << "\n");
m_case_split_queue->display(tout << "case splits\n");
);
m_search_finalized = true;
display_profile(verbose_stream());
if (r == l_true && get_cancel_flag())
r = l_undef;
@ -3638,6 +3639,7 @@ namespace smt {
return check(0, nullptr, reset_cancel);
}
else {
search_completion sc(*this);
TRACE("before_search", display(tout););
return check_finalize(search());
}
@ -3685,6 +3687,7 @@ namespace smt {
if (!check_preamble(reset_cancel)) return l_undef;
SASSERT(at_base_level());
setup_context(false);
search_completion sc(*this);
if (m_fparams.m_threads > 1 && !m.has_trace_stream()) {
expr_ref_vector asms(m, num_assumptions, assumptions);
parallel p(*this);
@ -3716,6 +3719,7 @@ namespace smt {
TRACE("before_search", display(tout););
setup_context(false);
lbool r = l_undef;
search_completion sc(*this);
do {
pop_to_base_lvl();
expr_ref_vector asms(cube);
@ -4728,12 +4732,14 @@ namespace smt {
}
void context::get_model(model_ref & mdl) {
if (inconsistent())
if (inconsistent())
mdl = nullptr;
else if (m_model.get())
else if (m_model.get())
mdl = m_model.get();
else if (!m.inc())
mdl = nullptr;
else if (!m_search_finalized)
mdl = nullptr;
else {
mk_proto_model();
if (!m_model && m_proto_model) {