From 206c3e2c381fcf5dd4921e374d4cc5f89fdccf14 Mon Sep 17 00:00:00 2001
From: Nikolaj Bjorner <nbjorner@microsoft.com>
Date: Thu, 16 Apr 2020 10:54:19 -0700
Subject: [PATCH] fix #3979

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
---
 src/smt/theory_lra.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/smt/theory_lra.cpp b/src/smt/theory_lra.cpp
index 7baaa56b2..6f02cb840 100644
--- a/src/smt/theory_lra.cpp
+++ b/src/smt/theory_lra.cpp
@@ -1652,6 +1652,7 @@ public:
             if (!th.is_relevant_and_shared(n1)) {                    
                 continue;
             }
+            ensure_column(v);
             if (!can_get_ivalue(v)) {
                 continue;
             }