/**************************************************************************/
/*                                                                        */
/*  The Why platform for program certification                            */
/*                                                                        */
/*  Copyright (C) 2002-2011                                               */
/*                                                                        */
/*    Jean-Christophe FILLIATRE, CNRS & Univ. Paris-sud 11                */
/*    Claude MARCHE, INRIA & Univ. Paris-sud 11                           */
/*    Yannick MOY, Univ. Paris-sud 11                                     */
/*    Romain BARDOU, Univ. Paris-sud 11                                   */
/*                                                                        */
/*  Secondary contributors:                                               */
/*                                                                        */
/*    Thierry HUBERT, Univ. Paris-sud 11  (former Caduceus front-end)     */
/*    Nicolas ROUSSET, Univ. Paris-sud 11 (on Jessie & Krakatoa)          */
/*    Ali AYAD, CNRS & CEA Saclay         (floating-point support)        */
/*    Sylvie BOLDO, INRIA                 (floating-point support)        */
/*    Jean-Francois COUCHOT, INRIA        (sort encodings, hyps pruning)  */
/*    Mehdi DOGGUY, Univ. Paris-sud 11    (Why GUI)                       */
/*                                                                        */
/*  This software is free software; you can redistribute it and/or        */
/*  modify it under the terms of the GNU Lesser General Public            */
/*  License version 2.1, with the special exception on linking            */
/*  described in file LICENSE.                                            */
/*                                                                        */
/*  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.                  */
/*                                                                        */
/**************************************************************************/

class AllZeros {

    static int should_not_be_proved(int t[]) {
	return t.length;

    }


    /*@ requires t != null;
      @ ensures \result <==> 
      @      \forall integer i; 0 <= i < t.length ==> t[i] == 0; 
      @*/
    static boolean all_zeros(int t[]) {
	/*@ loop_invariant 
	  @  0 <= k <= t.length && 
	  @  \forall integer i; 0 <= i < k ==> t[i] == 0;
	  @ loop_variant t.length - k;
	  @*/
	for (int k = 0; k < t.length; k++) 
	    if (t[k] != 0) 
		return false;
	return true;
    }
}

/*
Local Variables:
compile-command: "make AllZeros.why3ml"
End:
*/