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fix #3796

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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Nikolaj Bjorner 2020-04-06 17:09:23 -07:00
parent b2ba45448a
commit 18b4c7e99b
1 changed files with 2 additions and 0 deletions
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2
src/muz/rel/dl_finite_product_relation.cpp
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@ -1417,6 +1417,8 @@ namespace datalog {
relation_base * new_rel = old_rel.clone();
scoped_ptr<relation_mutator_fn> filter = rmgr.mk_filter_interpreted_fn(*new_rel, to_app(inner_cond));
if (!filter)
throw default_exception("rules do not belong to supported finite domain fragment");
(*filter)(*new_rel);
if(new_rel->empty()) {