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fix proof mode related segfaults #1241

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2017-11-06 02:35:10 -08:00
parent 16bab71df2
commit 0f2b1ae7c8
2 changed files with 21 additions and 22 deletions
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3
src/ast/rewriter/rewriter_def.h
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@ -351,7 +351,6 @@ void rewriter_tpl<Config>::process_app(app * t, frame & fr) {
if (is_ground(def)) {
m_r = def;
if (ProofGen) {
SASSERT(def_pr);
m_pr = m().mk_transitivity(m_pr, def_pr);
}
}
@ -510,7 +509,7 @@ void rewriter_tpl<Config>::process_quantifier(quantifier * q, frame & fr) {
new_no_pats = q->get_no_patterns();
}
if (ProofGen) {
quantifier * new_q = m().update_quantifier(q, q->get_num_patterns(), new_pats, q->get_num_no_patterns(), new_no_pats, new_body);
quantifier_ref new_q(m().update_quantifier(q, q->get_num_patterns(), new_pats, q->get_num_no_patterns(), new_no_pats, new_body), m());
m_pr = q == new_q ? 0 : m().mk_quant_intro(q, new_q, result_pr_stack().get(fr.m_spos));
m_r = new_q;
proof_ref pr2(m());