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deal with empty set of post-orders

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2017-10-06 11:34:14 +01:00
parent f59cf2452d
commit eac659f748
5 changed files with 16 additions and 14 deletions
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4
src/muz/rel/karr_relation.cpp
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@ -111,8 +111,8 @@ namespace datalog {
void filter_interpreted(app* cond) {
rational one(1), mone(-1);
expr* e1, *e2, *en;
var* v, *w;
expr* e1 = 0, *e2 = 0, *en = 0;
var* v = 0, *w = 0;
rational n1, n2;
expr_ref_vector conjs(m);
flatten_and(cond, conjs);