Fix cegis so that evaluation unfolding is not interleaved. (#2614)

diff --git a/src/theory/quantifiers/sygus/cegis.cpp b/src/theory/quantifiers/sygus/cegis.cpp
index 2e7f0cc029a3ef75e794c9e502ea583cddb1ad60..06f041d93e2b197577bb62c2623d0bb1f2e998d1 100644 (file)
--- a/src/theory/quantifiers/sygus/cegis.cpp
+++ b/src/theory/quantifiers/sygus/cegis.cpp
@@ -198,6 +198,7 @@ bool Cegis::addEvalLemmas(const std::vector<Node>& candidates,
       Node lem = nm->mkNode(
           OR, eager_exps[i].negate(), eager_terms[i].eqNode(eager_vals[i]));
       lems.push_back(lem);
+      addedEvalLemmas = true;
       Trace("cegqi-lemma") << "Cegqi::Lemma : evaluation unfold : " << lem
                            << std::endl;
     }