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/********************* */
/*! \file Statistics.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 An example of accessing CVC4's statistics using the Java API
**
** An example of accessing CVC4's statistics using the Java API.
**/
import edu.stanford.CVC4.*;
import java.util.Iterator;
public class Statistics {
public static void main(String[] args) {
System.loadLibrary("cvc4jni");
ExprManager em = new ExprManager();
SmtEngine smt = new SmtEngine(em);
Type boolType = em.booleanType();
Expr a = em.mkVar("A", boolType);
Expr b = em.mkVar("B", boolType);
// A ^ B
smt.assertFormula(em.mkExpr(Kind.AND, a, b));
Result res = smt.checkSat();
// Get the statistics from the `SmtEngine` and iterate over them. The
// `Statistics` class implements the `Iterable<Statistic>` interface. A
// `Statistic` is a pair that consists of a name and an `SExpr` that stores
// the value of the statistic.
edu.stanford.CVC4.Statistics stats = smt.getStatistics();
for (Statistic stat : stats) {
System.out.println(stat.getFirst() + " = " + stat.getSecond());
}
}
}
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