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fix #6371

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This commit is contained in:
Nikolaj Bjorner 2022-09-30 14:51:28 -04:00
parent b9cba82531
commit 876ca2f1a5
3 changed files with 11 additions and 4 deletions
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4
src/ast/rewriter/th_rewriter.cpp
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@ -826,7 +826,6 @@ struct th_rewriter_cfg : public default_rewriter_cfg {
result = elim_unused_vars(m(), q1, params_ref());
TRACE("reduce_quantifier", tout << "after elim_unused_vars:\n" << result << "\n";);
result_pr = nullptr;
if (m().proofs_enabled()) {
@ -835,6 +834,9 @@ struct th_rewriter_cfg : public default_rewriter_cfg {
p2 = m().mk_elim_unused_vars(q1, result);
result_pr = m().mk_transitivity(p1, p2);
}
TRACE("reduce_quantifier", tout << "after elim_unused_vars:\n" << result << " " << result_pr << "\n" ;);
SASSERT(old_q->get_sort() == result->get_sort());
return true;
}

9
src/cmd_context/cmd_context.cpp
View file

@ -621,10 +621,15 @@ void cmd_context::set_produce_unsat_cores(bool f) {
}
void cmd_context::set_produce_proofs(bool f) {
SASSERT(!has_assertions() || m_params.m_proof == f);
if (has_manager())
if (m_params.m_proof == f)
return;
SASSERT(!has_assertions());
if (has_manager()) {
m().toggle_proof_mode(f ? PGM_ENABLED : PGM_DISABLED);
std::cout << m_params.m_proof << " " << f << "\n";
}
m_params.m_proof = f;
mk_solver();
}

2
src/solver/assertions/asserted_formulas.cpp
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@ -171,7 +171,7 @@ void asserted_formulas::assert_expr(expr * e, proof * _in_pr) {
else
pr = m.mk_modus_ponens(in_pr, pr);
}
TRACE("assert_expr_bug", tout << "after...\n" << r << "\n";);
TRACE("assert_expr_bug", tout << "after...\n" << r << "\n" << pr << "\n";);
}
m_has_quantifiers |= ::has_quantifiers(e);