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trop.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).                                           */
/*                                                                        */
/**************************************************************************/

typedef struct las { int * p; int ta[1]; } las;

las u,v;

/*@
  requires \valid(u.p) && \base_addr(u.ta)!=\base_addr(u.p)
  assigns *u.p,u.ta[0]
  ensures u.ta[0]==0
*/
void f()
{
  //  g();
  u.ta[0]=0;
  *u.p=5;
}


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