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/********************* */
/*! \file statistics.cpp
** \verbatim
** Top contributors (to current version):
** Morgan Deters, Aina Niemetz, Tim King
** 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 A simple statistics test for CVC4.
**
** This simple test just makes sure that the statistics interface is
** minimally functional.
**/
#include "util/statistics.h"
#include <iostream>
#include <sstream>
#include "api/cvc4cpp.h"
#include "expr/expr.h"
#include "smt/smt_engine.h"
#include "util/sexpr.h"
using namespace CVC4;
using namespace std;
int main() {
api::Solver slv;
ExprManager* em = slv.getExprManager();
SmtEngine* smt = slv.getSmtEngine();
smt->setOption("incremental", SExpr("true"));
Expr x = em->mkVar("x", em->integerType());
Expr y = em->mkVar("y", em->integerType());
smt->assertFormula(em->mkExpr(
kind::GT, em->mkExpr(kind::PLUS, x, y), em->mkConst(Rational(5))));
Expr q = em->mkExpr(kind::GT, x, em->mkConst(Rational(0)));
Result r = smt->checkEntailed(q);
if (r != Result::NOT_ENTAILED)
{
exit(1);
}
Statistics stats = smt->getStatistics();
for(Statistics::iterator i = stats.begin(); i != stats.end(); ++i) {
cout << "stat " << (*i).first << " is " << (*i).second << endl;
}
smt->assertFormula(em->mkExpr(kind::LT, y, em->mkConst(Rational(5))));
r = smt->checkEntailed(q);
Statistics stats2 = smt->getStatistics();
bool different = false;
for(Statistics::iterator i = stats2.begin(); i != stats2.end(); ++i) {
cout << "stat1 " << (*i).first << " is " << stats.getStatistic((*i).first) << endl;
cout << "stat2 " << (*i).first << " is " << (*i).second << endl;
if (smt->getStatistic((*i).first) != (*i).second)
{
cout << "SMT engine reports different value for statistic " << (*i).first
<< ": " << smt->getStatistic((*i).first) << endl;
exit(1);
}
different = different || stats.getStatistic((*i).first) != (*i).second;
}
#ifdef CVC4_STATISTICS_ON
if(!different) {
cout << "stats are the same! bailing.." << endl;
exit(1);
}
#endif /* CVC4_STATISTICS_ON */
return r == Result::ENTAILED ? 0 : 1;
}
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