main
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Last change
on this file was ea777aa, checked in by Alex Wilton <awilton@…>, 3 years ago |
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Moved examples, include, build_default.properties, common.xml, and README out from dev.civl.com into the root of the repo.
git-svn-id: svn://vsl.cis.udel.edu/civl/trunk@5704 fb995dde-84ed-4084-dfe6-e5aef3e2452c
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Property mode
set to
100644
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File size:
457 bytes
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| [9aaed1f] | 1 | /* This example contains an error: For "incr" function, "x" is suppose
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| 2 | * to be a valid pointer.
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| 3 | */
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| 4 |
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| 5 | #include <stdlib.h>
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| 6 | /*@ requires \valid(x);
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| 7 | @ ensures \result == *x + 1;
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| 8 | @
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| 9 | */
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| 10 | int add(int * x)
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| 11 | {
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| 12 | return *x + 1;
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| 13 | }
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| 14 |
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| 15 | /*@
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| 16 | @ ensures *x == \result - 1;
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| 17 | @*/
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| 18 | int incr(int * x)
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| 19 | {
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| 20 | int * y;
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| 21 | int ret;
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| 22 |
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| 23 | y = (int*)malloc(sizeof(int));
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| 24 | //x = y;
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| 25 | ret = add(x);
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| 26 | x = NULL;
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| 27 | free(y);
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| 28 | return ret;
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| 29 | }
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| 30 |
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| 31 | int main() {
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| 32 | incr((void *)-1);
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| 33 | return 0;
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| 34 | }
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