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##############################################################################
# Top contributors (to current version):
# Yoni Zohar
#
# This file is part of the cvc5 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.
# ############################################################################
#
##
import pycvc5
from pycvc5 import kinds
slv = pycvc5.Solver()
slv.setOption("check-proofs", "true")
slv.setOption("proof-check", "eager")
s1 = slv.getBooleanSort()
s3 = slv.getStringSort()
t1 = slv.mkConst(s3, "_x0")
t3 = slv.mkConst(s1, "_x2")
t11 = slv.mkString("")
t14 = slv.mkConst(s3, "_x11")
t42 = slv.mkTerm(kinds.Ite, t3, t14, t1)
t58 = slv.mkTerm(kinds.StringLeq, t14, t11)
t95 = slv.mkTerm(kinds.Equal, t14, t42)
slv.assertFormula(t95)
slv.checkSatAssuming([t58])
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