mirror of
https://github.com/AdaCore/cvc5.git
synced 2026-02-12 12:32:16 -08:00
7ff15aa749
This refactors the Solver class in the java API to extend AbstractPointer similar to other cvc5 classes. It also cleans up redundant code for Abstract pointers. and adds Context.deletePointers to java examples as mentioned in issue #10052.
56 lines
1.8 KiB
Java
56 lines
1.8 KiB
Java
/******************************************************************************
|
|
* Top contributors (to current version):
|
|
* Mudathir Mohamed, Andrew Reynolds, Andres Noetzli
|
|
*
|
|
* This file is part of the cvc5 project.
|
|
*
|
|
* Copyright (c) 2009-2022 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.
|
|
* ****************************************************************************
|
|
*
|
|
* A simple demonstration of the solving capabilities of the cvc5
|
|
* bit-vector solver.
|
|
*
|
|
*/
|
|
|
|
import io.github.cvc5.*;
|
|
|
|
public class Extract
|
|
{
|
|
public static void main(String args[]) throws CVC5ApiException
|
|
{
|
|
Solver slv = new Solver();
|
|
{
|
|
slv.setLogic("QF_BV"); // Set the logic
|
|
|
|
Sort bitvector32 = slv.mkBitVectorSort(32);
|
|
|
|
Term x = slv.mkConst(bitvector32, "a");
|
|
|
|
Op ext_31_1 = slv.mkOp(Kind.BITVECTOR_EXTRACT, 31, 1);
|
|
Term x_31_1 = slv.mkTerm(ext_31_1, x);
|
|
|
|
Op ext_30_0 = slv.mkOp(Kind.BITVECTOR_EXTRACT, 30, 0);
|
|
Term x_30_0 = slv.mkTerm(ext_30_0, x);
|
|
|
|
Op ext_31_31 = slv.mkOp(Kind.BITVECTOR_EXTRACT, 31, 31);
|
|
Term x_31_31 = slv.mkTerm(ext_31_31, x);
|
|
|
|
Op ext_0_0 = slv.mkOp(Kind.BITVECTOR_EXTRACT, 0, 0);
|
|
Term x_0_0 = slv.mkTerm(ext_0_0, x);
|
|
|
|
Term eq = slv.mkTerm(Kind.EQUAL, x_31_1, x_30_0);
|
|
System.out.println(" Asserting: " + eq);
|
|
slv.assertFormula(eq);
|
|
|
|
Term eq2 = slv.mkTerm(Kind.EQUAL, x_31_31, x_0_0);
|
|
System.out.println(" Check entailment assuming: " + eq2);
|
|
System.out.println(" Expect UNSAT. ");
|
|
System.out.println(" cvc5: " + slv.checkSatAssuming(eq2.notTerm()));
|
|
}
|
|
Context.deletePointers();
|
|
}
|
|
}
|