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/**************************************************************************/
/* */
/* 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:
*/
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