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continue.c

/**************************************************************************/
/*                                                                        */
/*  The Why/Caduceus/Krakatoa tool suite for program certification        */
/*  Copyright (C) 2002-2006                                               */
/*    Jean-Franšois COUCHOT                                               */
/*    Mehdi DOGGUY                                                        */
/*    Jean-Christophe FILLI┬TRE                                           */
/*    Thierry HUBERT                                                      */
/*    Claude MARCH╔                                                       */
/*    Yannick MOY                                                         */
/*                                                                        */
/*  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).                                           */
/*                                                                        */
/**************************************************************************/

/* continue tests */

/*@ ensures \result == 0 */
int f1()
{
  int n = 10;
  /*@ invariant 0 <= n variant n */ 
  while (n > 0) {
    if (n == 5) { n = 0; continue; }
    n--;
  }
  return n;
}

/*@ ensures \result == 10 */
int f2()
{
  int i = 17;
  /*@ invariant i <= 10 variant 10 - i */ 
  for (i = 0; i < 10; i++) {
    if (i == 5) { i = 6; continue; }
  }
  return i;
}

/*@ ensures \result == 7 */
int f3()
{
  int i;
  /*@ invariant i <= 7 && i != 6 variant 7 - i */ 
  for (i = 0; i < 6; i++) {
    if (i == 5) 
      { i = 6; continue; }
  }
  return i;
}

/*
int main(void) {
  printf("%d\n",f3());
  return 0;
}
*/

  

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