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58 lines
1.6 KiB
C++
58 lines
1.6 KiB
C++
/******************************************************************************
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* Top contributors (to current version):
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* Aina Niemetz, Clark Barrett, Andrew Reynolds
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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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*/
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#include <cvc5/cvc5.h>
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#include <iostream>
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using namespace std;
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using namespace cvc5;
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int main()
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{
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TermManager tm;
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Solver slv(tm);
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slv.setLogic("QF_BV"); // Set the logic
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Sort bitvector32 = tm.mkBitVectorSort(32);
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Term x = tm.mkConst(bitvector32, "a");
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Op ext_31_1 = tm.mkOp(Kind::BITVECTOR_EXTRACT, {31, 1});
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Term x_31_1 = tm.mkTerm(ext_31_1, {x});
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Op ext_30_0 = tm.mkOp(Kind::BITVECTOR_EXTRACT, {30, 0});
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Term x_30_0 = tm.mkTerm(ext_30_0, {x});
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Op ext_31_31 = tm.mkOp(Kind::BITVECTOR_EXTRACT, {31, 31});
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Term x_31_31 = tm.mkTerm(ext_31_31, {x});
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Op ext_0_0 = tm.mkOp(Kind::BITVECTOR_EXTRACT, {0, 0});
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Term x_0_0 = tm.mkTerm(ext_0_0, {x});
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Term eq = tm.mkTerm(Kind::EQUAL, {x_31_1, x_30_0});
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cout << " Asserting: " << eq << endl;
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slv.assertFormula(eq);
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Term eq2 = tm.mkTerm(Kind::EQUAL, {x_31_31, x_0_0});
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cout << " Check sat assuming: " << eq2.notTerm() << endl;
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cout << " Expect UNSAT. " << endl;
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cout << " cvc5: " << slv.checkSatAssuming(eq2.notTerm()) << endl;
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return 0;
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}
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