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Pin lemmas so that they don't disappear

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This commit is contained in:
Arie Gurfinkel 2018-05-29 21:22:32 -07:00
parent ebfb2a4a1e
commit 61cd74818f
2 changed files with 9 additions and 5 deletions
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3
src/muz/spacer/spacer_context.cpp
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@ -1834,6 +1834,9 @@ bool pred_transformer::frames::add_lemma(lemma *new_lemma)
// new_lemma is really new
m_lemmas.push_back(new_lemma);
// XXX because m_lemmas is reduced, keep secondary vector of all lemmas
// XXX so that pob can refer to its lemmas without creating reference cycles
m_pinned_lemmas.push_back(new_lemma);
m_sorted = false;
m_pt.add_lemma_core(new_lemma);