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finish Frama-C homework

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This commit is contained in:
Yorick Barbanneau 2023-05-09 21:48:51 +02:00
parent 97a81f159a
commit 0bbf6ffde1
8 changed files with 142 additions and 24 deletions
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5
content/conception_formelle/99-DM_framac/code/max_dist.h
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@ -2,9 +2,12 @@
#include "abs.h"
/*@
requires 0 < n < UINT_MAX;
requires 0 < n <= UINT_MAX;
requires \valid_read(tab+(0..n-1));
requires \forall integer i; 0 <= i < n ==> INT_MIN / 2 <= tab[i] <= INT_MAX/2;
terminates \true;
ensures \forall integer a,b; 0 <= a < b < n ==> \result >= abs(tab[a]-tab[b]);
ensures \exists integer i,j; 0 < i < j < n ==> \result == abs(tab[i]-tab[j]);
assigns \nothing;
*/
int max_dist(int *tab, unsigned int n);