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fix #3699

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-04-02 20:35:15 -07:00
parent 26192e848c
commit be3a9b227c
5 changed files with 34 additions and 47 deletions
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9
src/smt/smt_conflict_resolution.cpp
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@ -1043,7 +1043,7 @@ namespace smt {
*/
proof * conflict_resolution::get_proof(justification * js) {
proof * pr;
if (m_js2proof.find(js, pr)) {
if (false && m_js2proof.find(js, pr)) {
TRACE("proof_gen_bug", tout << "js2pr_cached: #" << js << "\n";);
return pr;
}
@ -1313,10 +1313,9 @@ namespace smt {
}
else {
proof * prs[2] = { nullptr, nullptr};
m_lit2proof.find(not_l, prs[0]);
SASSERT(prs[0]);
prs[1] = get_proof(consequent, conflict);
SASSERT(prs[1]);
prs[0] = m_lit2proof.find(not_l);
prs[1] = get_proof(consequent, conflict);
SASSERT(prs[0] && prs[1]);
pr = m_manager.mk_unit_resolution(2, prs);
}
expr_ref_buffer lits(m_manager);