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fix ? #3370

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-03-17 10:37:50 -07:00
parent de9bc930e9
commit 7996472923
3 changed files with 14 additions and 3 deletions
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2
src/smt/theory_arith_int.h
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@ -620,6 +620,8 @@ namespace smt {
expr_ref bound(get_manager());
if (pol.empty()) {
if (ante.lits().empty() && ante.eqs().empty())
return false;
SASSERT(k.is_pos());
// conflict 0 >= k where k is positive
set_conflict(ante, ante, "gomory-cut");

6
src/smt/theory_diff_logic_def.h
View file

@ -1237,8 +1237,10 @@ theory_diff_logic<Ext>::maximize(theory_var v, expr_ref& blocker, bool& has_shar
if (is_simplex_edge(v)) {
unsigned edge_id = simplex2edge(v);
literal lit = m_graph.get_explanation(edge_id);
get_context().literal2expr(lit, tmp);
core.push_back(tmp);
if (lit != null_literal) {
get_context().literal2expr(lit, tmp);
core.push_back(tmp);
}
}
}
compute_delta();