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98e884a740
This PRs updates java examples using the new Java API, by converting C++ examples to Java. Examples CVC4Streams.java and PipedInput.java are removed since they are not longer supported by the API. All examples are not included in the build which would be added in a future PR.
52 lines
1.7 KiB
Java
52 lines
1.7 KiB
Java
/******************************************************************************
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* Top contributors (to current version):
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* Aina Niemetz, Makai Mann, Clark Barrett
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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) 2009-2021 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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import cvc5.*;
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public class Extract
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{
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public static void main(String args[]) throws CVC5ApiException
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{
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Solver slv = new Solver();
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slv.setLogic("QF_BV"); // Set the logic
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Sort bitvector32 = slv.mkBitVectorSort(32);
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Term x = slv.mkConst(bitvector32, "a");
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Op ext_31_1 = slv.mkOp(Kind.BITVECTOR_EXTRACT, 31, 1);
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Term x_31_1 = slv.mkTerm(ext_31_1, x);
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Op ext_30_0 = slv.mkOp(Kind.BITVECTOR_EXTRACT, 30, 0);
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Term x_30_0 = slv.mkTerm(ext_30_0, x);
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Op ext_31_31 = slv.mkOp(Kind.BITVECTOR_EXTRACT, 31, 31);
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Term x_31_31 = slv.mkTerm(ext_31_31, x);
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Op ext_0_0 = slv.mkOp(Kind.BITVECTOR_EXTRACT, 0, 0);
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Term x_0_0 = slv.mkTerm(ext_0_0, x);
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Term eq = slv.mkTerm(Kind.EQUAL, x_31_1, x_30_0);
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System.out.println(" Asserting: " + eq);
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slv.assertFormula(eq);
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Term eq2 = slv.mkTerm(Kind.EQUAL, x_31_31, x_0_0);
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System.out.println(" Check entailment assuming: " + eq2);
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System.out.println(" Expect ENTAILED. ");
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System.out.println(" cvc5: " + slv.checkEntailed(eq2));
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}
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} |