source:
CIVL/examples/focus/dependentLoop.cvl@
3d3af8f
| Last change on this file since 3d3af8f was 01c5b2ce, checked in by , 4 years ago | |
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| File size: 279 bytes | |
| Rev | Line | |
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| [01c5b2ce] | 1 | #include<assert.h> |
| 2 | ||
| 3 | #pragma CIVL ACSL | |
| 4 | $input int N; | |
| 5 | $assume(0 < N); | |
| 6 | int a[N]; | |
| 7 | ||
| 8 | int main() { | |
| 9 | ||
| 10 | a[0] = 0; | |
| 11 | //@ focus I; | |
| 12 | /*@ loop invariant a[i-1] == 0; | |
| 13 | @*/ | |
| 14 | for (int i = 1; i < N; i++) { | |
| 15 | a[i] = a[i-1]; | |
| 16 | } | |
| 17 | ||
| 18 | //@ focus I; | |
| 19 | $assert($forall(int i:0..N-1) a[i] == 0); | |
| 20 | } |
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