From f51b6e9a9dc853156ee392c26f40494d91f345e9 Mon Sep 17 00:00:00 2001
From: Clark Barrett <barrett@cs.nyu.edu>
Date: Mon, 1 Apr 2013 23:06:13 -0400
Subject: [PATCH] Fix regression error by turning off model-based solver when
 models are on (ironic, yes, but model-based solver doesn't yet produce
 models)

---
 src/smt/smt_engine.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/smt/smt_engine.cpp b/src/smt/smt_engine.cpp
index 7bbc12551..de41a34a0 100644
--- a/src/smt/smt_engine.cpp
+++ b/src/smt/smt_engine.cpp
@@ -874,11 +874,13 @@ void SmtEngine::setLogicInternal() throw() {
       options::arraysEagerIndexSplitting.set(false);
     }
   }
-  // Turn on model-based arrays for QF_AX
+  // Turn on model-based arrays for QF_AX (unless models are enabled)
   if(! options::arraysModelBased.wasSetByUser()) {
     if (not d_logic.isQuantified() &&
         d_logic.isTheoryEnabled(THEORY_ARRAY) &&
-        d_logic.isPure(THEORY_ARRAY)) {
+        d_logic.isPure(THEORY_ARRAY) &&
+        !options::produceModels() &&
+        !options::checkModels()) {
       Trace("smt") << "turning on model-based array solver" << endl;
       options::arraysModelBased.set(true);
     }
-- 
2.30.2