non-constant size of 2-dim array causes error in recursive procedure
ID0000852:
**This issue was created automatically from Mantis Issue 852. Further discussion may take place here.**
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| **Id** | **Project** | **Category** | **View** | **Due Date** | **Updated** |
| --- | --- | --- | --- | --- | --- |
| ID0000852 | Frama-C | Kernel | public | 2011-06-01 | 2013-01-25 |
| | | | | | |
| --- | --- | --- | --- | --- | --- |
| **Reporter** | Jochen | **Assigned To** | virgile | **Resolution** | open |
| **Priority** | normal | **Severity** | minor | **Reproducibility** | always |
| **Platform** | - | **OS** | - | **OS Version** | - |
| **Product Version** | Frama-C Carbon-20110201 | **Target Version** | - | **Fixed in Version** | - |
### Description :
Calling "frama-c -val ftest.c" for the attached program results in a kernel error message "Invalid length in array type".
The error vanishes if either
- the recursive call in the body is removed,
- the 2-dimensional array (b[1][a]) is made a one-dimensional one (b[a]),
- or the variable size (b[1][a]) is made constant (b[1][9]).
Since I cannot imagine why just the combination (recursion + two dimensions + variable size) shall be an error, I guess there is a bug here.
Moreover, even the Jessie plug-in reports only warnings on ftest.c.
## Attachments
- [ftest.c](/uploads/4ce791a9c8082c046da0182ff4dc613d/ftest.c)
issue