Arithmetic safety of bitwise operators cannot be verified
ID0000348:
**This issue was created automatically from Mantis Issue 348. Further discussion may take place here.**
---
| **Id** | **Project** | **Category** | **View** | **Due Date** | **Updated** |
| --- | --- | --- | --- | --- | --- |
| ID0000348 | Frama-C | Plug-in > jessie | public | 2009-12-03 | 2009-12-03 |
| | | | | | |
| --- | --- | --- | --- | --- | --- |
| **Reporter** | boris | **Assigned To** | cmarche | **Resolution** | open |
| **Priority** | normal | **Severity** | major | **Reproducibility** | always |
| **Platform** | - | **OS** | - | **OS Version** | - |
| **Product Version** | Frama-C Beryllium-20090901 | **Target Version** | - | **Fixed in Version** | - |
### Description :
Jessie cannot verify arithmetic safety in the following code:
typedef unsigned int uint32;
uint32 b1(uint32 x, uint32 y)
{
return x^y;
}
uint32 b2(uint32 x, uint32 y)
{
return x&y;
}
uint32 b3(uint32 x, uint32 y)
{
return x|y;
}
uint32 b4(uint32 x)
{
return ~x;
}
issue