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31 lines
1006 B
Python
31 lines
1006 B
Python
###############################################################################
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# Top contributors (to current version):
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# Alex Ozdemir
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#
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# This file is part of the cvc5 project.
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#
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# Copyright (c) 2009-2024 by the authors listed in the file AUTHORS
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# in the top-level source directory and their institutional affiliations.
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# All rights reserved. See the file COPYING in the top-level source
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# directory for licensing information.
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# #############################################################################
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#
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# A simple demonstration of the solving capabilities of the cvc5
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# bit-vector solver.
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##
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from cvc5.pythonic import *
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if __name__ == '__main__':
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x = BitVec('x', 32)
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# Consider the bits of x: 01234567
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# (we assume 8 bits to make the visualization simple)
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#
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# If 1234567
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# equals 0123456
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#
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# then 0 == 7 (by induction over the bits)
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prove(Implies(Extract(31, 1, x) == Extract(30, 0, x),
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Extract(31, 31, x) == Extract(0, 0, x)))
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