From: Clifford Wolf <clifford@clifford.at>
Date: Sat, 17 Mar 2018 11:17:53 +0000 (+0100)
Subject: Improve handling of invalid check-sat result in smtio.py
X-Git-Tag: yosys-0.8~148
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=4d4e3a8ca62dd9484942d3adf107354468f9897d;p=yosys.git

Improve handling of invalid check-sat result in smtio.py

Signed-off-by: Clifford Wolf <clifford@clifford.at>
---

diff --git a/backends/smt2/smtio.py b/backends/smt2/smtio.py
index 1d5c89d8e..5c46da4e7 100644
--- a/backends/smt2/smtio.py
+++ b/backends/smt2/smtio.py
@@ -646,12 +646,13 @@ class SmtIo:
                     sys.stderr.flush()
 
         result = self.read()
-        assert result in ["sat", "unsat"]
 
         if self.debug_file:
             print("(set-info :status %s)" % result, file=self.debug_file)
             print("(check-sat)", file=self.debug_file)
             self.debug_file.flush()
+
+        assert result in ["sat", "unsat"]
         return result
 
     def parse(self, stmt):