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#!/usr/bin/env python
#####################
## exceptions.py
## Top contributors (to current version):
## Andres Noetzli
## This file is part of the CVC4 project.
## Copyright (c) 2009-2021 by the authors listed in the file AUTHORS
## in the top-level source directory and their institutional affiliations.
## All rights reserved. See the file COPYING in the top-level source
## directory for licensing information.
##
## Catching CVC4 exceptions with the legacy Python API.
##
## A simple demonstration of catching CVC4 execptions with the legacy Python
## API.
##
import pycvc4
from pycvc4 import kinds
import sys
def main():
slv = pycvc4.Solver()
slv.setOption("produce-models", "true")
# Setting an invalid option
try:
slv.setOption("non-existing", "true")
return 1
except:
pass
# Creating a term with an invalid type
try:
integer = slv.getIntegerSort()
x = slv.mkConst("x", integer)
invalidTerm = em.mkTerm(AND, x, x)
slv.checkSat(invalidTerm)
return 1
except:
pass
# Asking for a model after unsat result
try:
slv.checkSat(slv.mkBoolean(False))
slv.getModel()
return 1
except:
pass
return 0
if __name__ == '__main__':
sys.exit(main())
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