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fix #3804

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-04-06 19:49:37 -07:00
parent 9bb579c5c8
commit 94539c0d04
1 changed files with 7 additions and 2 deletions
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9
src/ast/rewriter/rewriter_def.h
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@ -554,8 +554,13 @@ void rewriter_tpl<Config>::process_quantifier(quantifier * q, frame & fr) {
m_pr = nullptr; m_pr = nullptr;
if (q != new_q) { if (q != new_q) {
m_pr = result_pr_stack().get(fr.m_spos); m_pr = result_pr_stack().get(fr.m_spos);
m_pr = m().mk_bind_proof(q, m_pr); if (m_pr) {
m_pr = m().mk_quant_intro(q, new_q, m_pr); m_pr = m().mk_bind_proof(q, m_pr);
m_pr = m().mk_quant_intro(q, new_q, m_pr);
}
else {
m_pr = m().mk_rewrite(q, new_q);
}
} }
m_r = new_q; m_r = new_q;
proof_ref pr2(m()); proof_ref pr2(m());