main
test-branch
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| [9aaed1f] | 1 | #include <stdlib.h>
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| 2 | /*@ requires \valid(x);
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| 3 | @ ensures \result == *x + 1;
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| 4 | @
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| 5 | */
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| 6 | int add(int * x)
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| 7 | {
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| 8 | return *x + 1;
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| 9 | }
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| 10 |
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| 11 | /*@ requires \valid(x);
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| 12 | @ requires *x >= 0;
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| 13 | @ ensures *x == \result - 1;
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| 14 | @*/
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| 15 | int incr(int * x)
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| 16 | {
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| 17 | int * y;
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| 18 | int ret;
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| 19 |
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| 20 | y = (int*)malloc(sizeof(int));
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| 21 | ret = add(x);
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| 22 | free(y);
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| 23 | return ret;
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| 24 | }
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| 25 |
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| 26 | int main() {
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| 27 | incr((void *)-1);
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| 28 | return 0;
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| 29 | }
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