From: Haniel Barbosa <hanielbbarbosa@gmail.com>
Date: Tue, 18 Sep 2018 13:07:21 +0000 (-0500)
Subject: fix assertion error (#2487)
X-Git-Tag: cvc5-1.0.0~4634
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=d718da758b27c2824d2aff44faf71971133217ab;p=cvc5.git

fix assertion error (#2487)
---

diff --git a/src/smt/model_core_builder.cpp b/src/smt/model_core_builder.cpp
index dbc6c5c9e..1cbc18c1a 100644
--- a/src/smt/model_core_builder.cpp
+++ b/src/smt/model_core_builder.cpp
@@ -40,7 +40,7 @@ bool ModelCoreBuilder::setModelCore(const std::vector<Expr>& assertions,
   }
   NodeManager* nm = NodeManager::currentNM();
 
-  Node formula = nm->mkNode(AND, asserts);
+  Node formula = asserts.size() > 1? nm->mkNode(AND, asserts) : asserts[0];
   std::vector<Node> vars;
   std::vector<Node> subs;
   Trace("model-core") << "Assignments: " << std::endl;