From d4fb7022845f3ec595cff3fb1b6324e2364d25d3 Mon Sep 17 00:00:00 2001
From: Morgan Deters <mdeters@cs.nyu.edu>
Date: Fri, 17 May 2013 08:43:24 -0400
Subject: [PATCH] Fix to empty response to (get-assignment).

Thanks to David Cok for reporting this issue.
---
 src/smt/smt_engine.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/smt/smt_engine.cpp b/src/smt/smt_engine.cpp
index 0bfc6e634..284f39d54 100644
--- a/src/smt/smt_engine.cpp
+++ b/src/smt/smt_engine.cpp
@@ -3313,7 +3313,7 @@ CVC4::SExpr SmtEngine::getAssignment() throw(ModalException) {
   }
 
   if(d_assignments == NULL) {
-    return SExpr();
+    return SExpr(vector<SExpr>());
   }
 
   vector<SExpr> sexprs;
-- 
2.30.2