mirror of
https://github.com/AdaCore/cvc5.git
synced 2026-02-12 12:32:16 -08:00
c93de62d8b
Previously, we were using io.github.cvc5.api to mirror the C++ namespace that the API was in. The namespace of the C++ API changed to simply cvc5 and so this commit updates the Java package accordingly.
55 lines
1.7 KiB
Java
55 lines
1.7 KiB
Java
/******************************************************************************
|
|
* Top contributors (to current version):
|
|
* Aina Niemetz, Makai Mann, Clark Barrett
|
|
*
|
|
* 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.
|
|
* ****************************************************************************
|
|
*
|
|
* 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
|
|
{
|
|
try (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()));
|
|
}
|
|
}
|
|
}
|