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6f32ee5ca0
It also replaces calls to deprecated functions of `Solver` with the corresponding function of `TermManager`. --------- Co-authored-by: mudathirmahgoub <mudathirmahgoub@gmail.com>
63 lines
1.9 KiB
Java
63 lines
1.9 KiB
Java
/******************************************************************************
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* Top contributors (to current version):
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* Yoni Zohar
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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 capabilities of the cvc5 uf solver.
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*/
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import io.github.cvc5.*;
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import java.util.Iterator;
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public class Uf
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{
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public static void main(String[] args) throws CVC5ApiException
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{
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TermManager tm = new TermManager();
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Solver slv = new Solver(tm);
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{
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slv.setLogic("QF_UF");
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// Sorts
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Sort u = tm.mkUninterpretedSort("U");
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Sort bool = tm.getBooleanSort();
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Sort uTou = tm.mkFunctionSort(u, u);
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Sort uPred = tm.mkFunctionSort(u, bool);
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// Variables
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Term x = tm.mkConst(u, "x");
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Term y = tm.mkConst(u, "y");
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// Functions
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Term f = tm.mkConst(uTou, "f");
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Term p = tm.mkConst(uPred, "p");
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// Terms
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Term f_x = tm.mkTerm(Kind.APPLY_UF, f, x);
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Term f_y = tm.mkTerm(Kind.APPLY_UF, f, y);
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Term p_f_x = tm.mkTerm(Kind.APPLY_UF, p, f_x);
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Term p_f_y = tm.mkTerm(Kind.APPLY_UF, p, f_y);
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// Construct the assertions
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Term assertions = tm.mkTerm(Kind.AND,
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new Term[] {tm.mkTerm(Kind.EQUAL, x, f_x),
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tm.mkTerm(Kind.EQUAL, y, f_y),
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p_f_x.notTerm(),
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p_f_y});
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slv.assertFormula(assertions);
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System.out.println("Call checkSat to show that the assertions are satisfiable. \n"
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+ "cvc5: " + slv.checkSat() + ".\n");
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Context.deletePointers();
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}
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}
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}
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