For function f(int a) ; ensures a==\old(a) may be invalid
ID0000168: **This issue was created automatically from Mantis Issue 168. Further discussion may take place here.** --- | **Id** | **Project** | **Category** | **View** | **Due Date** | **Updated** | | --- | --- | --- | --- | --- | --- | | ID0000168 | Frama-C | Plug-in > Eva | public | 2009-06-29 | 2009-09-24 | | | | | | | | | --- | --- | --- | --- | --- | --- | | **Reporter** | patrick | **Assigned To** | pascal | **Resolution** | no change required | | **Priority** | normal | **Severity** | major | **Reproducibility** | always | | **Platform** | - | **OS** | - | **OS Version** | - | | **Product Version** | Frama-C GIT, precise the release id | **Target Version** | - | **Fixed in Version** | Frama-C Beryllium-20090901 | ### Description : The command "toplevel.opt -val old.c" gives the following line: old.c:8: Warning: Function f, behavior default: postcondition got status valid This is wrong: the postcondition is invalid. ### Additional Information : Revision 5634 Contents of the file old.c int *p, *q ; /*@ ensures *q == a ; */ void f (int a) { *q = a ; *p = 3 ; } int main (int x, int y) { q = &y ; p = &x ; f (x) ; return x ; }
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