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/******************************************************************************
* Top contributors (to current version):
* Mudathir Mohamed, Daniel Larraz, Andres Noetzli
*
* This file is part of the cvc5 project.
*
* Copyright (c) 2009-2025 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 transcendental extension.
*/
import static io.github.cvc5.Kind.*;
import io.github.cvc5.*;
public class Transcendentals
{
public static void main(String args[]) throws CVC5ApiException
{
TermManager tm = new TermManager();
Solver slv = new Solver(tm);
{
slv.setLogic("QF_NRAT");
Sort real = tm.getRealSort();
// Variables
Term x = tm.mkConst(real, "x");
Term y = tm.mkConst(real, "y");
// Helper terms
Term two = tm.mkReal(2);
Term pi = tm.mkPi();
Term twopi = tm.mkTerm(MULT, two, pi);
Term ysq = tm.mkTerm(MULT, y, y);
Term sinx = tm.mkTerm(SINE, x);
// Formulas
Term x_gt_pi = tm.mkTerm(GT, x, pi);
Term x_lt_tpi = tm.mkTerm(LT, x, twopi);
Term ysq_lt_sinx = tm.mkTerm(LT, ysq, sinx);
slv.assertFormula(x_gt_pi);
slv.assertFormula(x_lt_tpi);
slv.assertFormula(ysq_lt_sinx);
System.out.println("cvc5 should report UNSAT.");
System.out.println("Result from cvc5 is: " + slv.checkSat());
}
Context.deletePointers();
}
}
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