From 299ab76a093f0cde95fdc0214b371140d7f339b9 Mon Sep 17 00:00:00 2001
From: Alberto Gonzalez <boqwxp@airmail.cc>
Date: Thu, 14 May 2020 17:07:59 +0000
Subject: [PATCH] smtbmc: Fix return status handling.

---
 backends/smt2/smtbmc.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/backends/smt2/smtbmc.py b/backends/smt2/smtbmc.py
index d3015b066..f1f55be1c 100644
--- a/backends/smt2/smtbmc.py
+++ b/backends/smt2/smtbmc.py
@@ -1548,7 +1548,7 @@ else:  # not tempind, covermode
                         break
 
                     smt_pop()
-                if not retstatus:
+                if retstatus == "FAILED" or retstatus == "PREUNSAT":
                     break
 
         else:  # gentrace
@@ -1568,7 +1568,7 @@ else:  # not tempind, covermode
 
         step += step_size
 
-    if gentrace and retstatus:
+    if gentrace and retstatus == "PASSED":
         print_anyconsts(0)
         write_trace(0, num_steps, '%')
 
-- 
2.30.2