From f646c9ac11d24c6e2236be7e2658c100edcfb69d Mon Sep 17 00:00:00 2001
From: Nikolaj Bjorner <nbjorner@microsoft.com>
Date: Wed, 4 Dec 2019 10:45:17 +0300
Subject: [PATCH] fix #2780

---
 src/smt/theory_lra.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/smt/theory_lra.cpp b/src/smt/theory_lra.cpp
index 21f70ac8d..9e7a3a5ba 100644
--- a/src/smt/theory_lra.cpp
+++ b/src/smt/theory_lra.cpp
@@ -976,7 +976,8 @@ public:
 
     void apply_sort_cnstr(enode* n, sort*) {
         if (!th.is_attached_to_var(n)) {
-            mk_var(n->get_owner(), false);
+            theory_var v = mk_var(n->get_owner(), false);
+            get_var_index(v);
         }
     }