/**************************************************************************/
/*                                                                        */
/*  The Why platform for program certification                            */
/*  Copyright (C) 2002-2008                                               */
/*    Romain BARDOU                                                       */
/*    Jean-François COUCHOT                                               */
/*    Mehdi DOGGUY                                                        */
/*    Jean-Christophe FILLIÂTRE                                           */
/*    Thierry HUBERT                                                      */
/*    Claude MARCHÉ                                                       */
/*    Yannick MOY                                                         */
/*    Christine PAULIN                                                    */
/*    Yann RÉGIS-GIANAS                                                   */
/*    Nicolas ROUSSET                                                     */
/*    Xavier URBAIN                                                       */
/*                                                                        */
/*  This software is free software; you can redistribute it and/or        */
/*  modify it under the terms of the GNU General Public                   */
/*  License version 2, as published by the Free Software Foundation.      */
/*                                                                        */
/*  This software is distributed in the hope that it will be useful,      */
/*  but WITHOUT ANY WARRANTY; without even the implied warranty of        */
/*  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.                  */
/*                                                                        */
/*  See the GNU General Public License version 2 for more details         */
/*  (enclosed in the file GPL).                                           */
/*                                                                        */
/**************************************************************************/

//@+ CheckArithOverflow = yes

class Termination {

    void loop1(int n) { 
	//@ decreases n;
	while (n > 0) n--; 
    }

    void loop2(int n) { 
	//@ decreases 100-n;
	while (n < 100) n++; 
    }

    //@ ensures \result == 0;
    int loop3() {
	int i = 100;
	/*@ loop_invariant 0 <= i <= 100;
	  @ decreases i;
	  @*/
	while (i > 0) i--;
	return i;
    }

}