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

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Signed-off-by: Clifford Wolf <clifford@clifford.at>
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Clifford Wolf 2018-03-17 12:17:53 +01:00
parent e7862d4f64
commit 4d4e3a8ca6
1 changed files with 2 additions and 1 deletions
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backends/smt2/smtio.py
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@ -646,12 +646,13 @@ class SmtIo:
sys.stderr.flush() sys.stderr.flush()
result = self.read() result = self.read()
assert result in ["sat", "unsat"]
if self.debug_file: if self.debug_file:
print("(set-info :status %s)" % result, file=self.debug_file) print("(set-info :status %s)" % result, file=self.debug_file)
print("(check-sat)", file=self.debug_file) print("(check-sat)", file=self.debug_file)
self.debug_file.flush() self.debug_file.flush()
assert result in ["sat", "unsat"]
return result return result
def parse(self, stmt): def parse(self, stmt):