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/********************* */
/*! \file Exceptions.java
** \verbatim
** Top contributors (to current version):
** Andres Noetzli
** This file is part of the CVC4 project.
** Copyright (c) 2009-2020 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.\endverbatim
**
** \brief Catching CVC4 exceptions via the Java API.
**
** A simple demonstration of catching CVC4 execptions via the Java API.
**/
import edu.stanford.CVC4.*;
public class Exceptions {
public static void main(String[] args) {
System.loadLibrary("cvc4jni");
ExprManager em = new ExprManager();
SmtEngine smt = new SmtEngine(em);
smt.setOption("produce-models", new SExpr(true));
// Setting an invalid option
try {
smt.setOption("non-existing", new SExpr(true));
System.exit(1);
} catch (edu.stanford.CVC4.Exception e) {
System.out.println(e.toString());
}
// Creating a term with an invalid type
try {
Type integer = em.integerType();
Expr x = em.mkVar("x", integer);
Expr invalidExpr = em.mkExpr(Kind.AND, x, x);
smt.checkSat(invalidExpr);
System.exit(1);
} catch (edu.stanford.CVC4.Exception e) {
System.out.println(e.toString());
}
// Asking for a model after unsat result
try {
smt.checkSat(em.mkConst(false));
smt.getModel();
System.exit(1);
} catch (edu.stanford.CVC4.Exception e) {
System.out.println(e.toString());
}
}
}
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