assertion failure using memset on a char
ID0002160:
**This issue was created automatically from Mantis Issue 2160. Further discussion may take place here.**
---
| **Id** | **Project** | **Category** | **View** | **Due Date** | **Updated** |
| --- | --- | --- | --- | --- | --- |
| ID0002160 | Frama-C | Plug-in > wp | public | 2015-09-14 | 2015-09-15 |
| | | | | | |
| --- | --- | --- | --- | --- | --- |
| **Reporter** | kroeckx | **Assigned To** | correnson | **Resolution** | open |
| **Priority** | normal | **Severity** | minor | **Reproducibility** | have not tried |
| **Platform** | - | **OS** | - | **OS Version** | - |
| **Product Version** | Frama-C Sodium | **Target Version** | - | **Fixed in Version** | - |
### Description :
When trying to analyse the this:
#include <string.h>
int main()
{
char a;
memset(&a, 0, 1);
}
Using wp I get:
[wp] Running WP plugin...
[wp] Collecting axiomatic usage
[wp] warning: No definition for 'memchr' interpreted as reads nothing
[wp] warning: No definition for 'strlen' interpreted as reads nothing
[wp] warning: No definition for 'memset' interpreted as reads nothing
[wp] warning: No definition for 'strchr' interpreted as reads nothing
[wp] warning: No definition for 'strcmp' interpreted as reads nothing
[wp] warning: No definition for 'strncmp' interpreted as reads nothing
[wp] warning: No definition for 'wcscmp' interpreted as reads nothing
[wp] warning: No definition for 'wcslen' interpreted as reads nothing
[wp] warning: No definition for 'wcsncmp' interpreted as reads nothing
[wp] warning: Missing RTE guards
[kernel] Current source was: test.c:6
The full backtrace is:
Raised at file "src/wp/MemVar.ml", line 474, characters 54-66
Called from file "src/wp/MemVar.ml", line 519, characters 16-38
Called from file "src/wp/MemVar.ml", line 543, characters 9-38
Called from file "list.ml", line 55, characters 20-23
Called from file "src/wp/Lang.ml", line 735, characters 25-40
Called from file "src/wp/Warning.ml", line 139, characters 6-10
Called from file "src/wp/LogicSemantics.ml", line 813, characters 12-42
Called from file "src/wp/Context.ml", line 31, characters 12-17
Re-raised at file "src/wp/Context.ml", line 34, characters 41-46
Called from file "list.ml", line 55, characters 20-23
Called from file "src/wp/Context.ml", line 68, characters 14-17
Re-raised at file "src/wp/Context.ml", line 69, characters 43-48
Called from file "src/wp/Context.ml", line 68, characters 14-17
Re-raised at file "src/wp/Context.ml", line 69, characters 43-48
Called from file "src/wp/Context.ml", line 68, characters 14-17
Re-raised at file "src/wp/Context.ml", line 69, characters 43-48
Called from file "src/wp/Context.ml", line 68, characters 14-17
Re-raised at file "src/wp/Context.ml", line 69, characters 43-48
Called from file "src/wp/cfgWP.ml", line 1087, characters 18-60
Called from file "src/wp/Warning.ml", line 155, characters 14-18
Called from file "src/wp/cfgWP.ml", line 1118, characters 23-207
Called from file "src/wp/Context.ml", line 68, characters 14-17
Re-raised at file "src/wp/Context.ml", line 69, characters 43-48
Called from file "src/wp/Context.ml", line 68, characters 14-17
Re-raised at file "src/wp/Context.ml", line 69, characters 43-48
Called from file "src/wp/Context.ml", line 68, characters 14-17
Re-raised at file "src/wp/Context.ml", line 69, characters 43-48
Called from file "src/wp/Context.ml", line 68, characters 14-17
Re-raised at file "src/wp/Context.ml", line 69, characters 43-48
Called from file "src/wp/calculus.ml", line 448, characters 14-224
Called from file "src/wp/calculus.ml", line 595, characters 10-57
Called from file "src/wp/calculus.ml", line 536, characters 19-40
Called from file "src/wp/calculus.ml", line 579, characters 20-43
Called from file "src/wp/calculus.ml", line 536, characters 19-40
Called from file "src/wp/calculus.ml", line 574, characters 20-43
Called from file "src/wp/calculus.ml", line 536, characters 19-40
Called from file "src/wp/calculus.ml", line 724, characters 40-59
Called from file "set.ml", line 304, characters 38-41
Called from file "map.ml", line 168, characters 20-25
Called from file "map.ml", line 168, characters 10-18
Called from file "map.ml", line 168, characters 10-18
Called from file "src/wp/calculus.ml", line 724, characters 4-64
Called from file "src/wp/calculus.ml", line 770, characters 19-51
Called from file "src/wp/cfgWP.ml", line 1402, characters 39-62
Called from file "src/lib/bag.ml", line 96, characters 16-24
Called from file "src/lib/bag.ml", line 96, characters 16-24
Called from file "src/lib/bag.ml", line 96, characters 16-24
Called from file "src/lib/bag.ml", line 96, characters 16-24
Called from file "src/lib/bag.ml", line 96, characters 16-24
Called from file "src/lib/bag.ml", line 96, characters 16-24
Called from file "src/lib/bag.ml", line 96, characters 16-24
Called from file "src/lib/bag.ml", line 96, characters 16-24
Called from file "src/lib/bag.ml", line 96, characters 16-24
Called from file "src/lib/bag.ml", line 96, characters 16-24
Called from file "src/lib/bag.ml", line 96, characters 16-24
Called from file "src/lib/bag.ml", line 96, characters 16-24
Called from file "src/lib/bag.ml", line 96, characters 16-24
Called from file "src/lib/bag.ml", line 96, characters 16-24
Called from file "src/lib/bag.ml", line 96, characters 16-24
Called from file "src/lib/bag.ml", line 96, characters 16-24
Called from file "src/lib/bag.ml", line 96, characters 16-24
Called from file "src/lib/bag.ml", line 96, characters 16-24
Called from file "src/lib/bag.ml", line 96, characters 16-24
Called from file "src/lib/bag.ml", line 96, characters 16-24
Called from file "src/lib/bag.ml", line 96, characters 16-24
Called from file "src/lib/bag.ml", line 96, characters 16-24
Called from file "src/lib/bag.ml", line 96, characters 16-24
Called from file "src/lib/bag.ml", line 96, characters 16-24
Called from file "src/lib/bag.ml", line 96, characters 16-24
Called from file "src/lib/bag.ml", line 96, characters 16-24
Called from file "src/lib/bag.ml", line 96, characters 16-24
Called from file "src/lib/bag.ml", line 96, characters 16-24
Called from file "src/lib/bag.ml", line 96, characters 16-24
Called from file "src/lib/bag.ml", line 96, characters 16-24
Called from file "src/lib/bag.ml", line 96, characters 16-24
Called from file "src/lib/bag.ml", line 96, characters 16-24
Called from file "src/lib/bag.ml", line 96, characters 16-24
Called from file "src/lib/bag.ml", line 96, characters 16-24
Called from file "src/lib/bag.ml", line 96, characters 16-24
Called from file "src/lib/bag.ml", line 96, characters 16-24
Called from file "src/lib/bag.ml", line 96, characters 16-24
Called from file "src/lib/bag.ml", line 96, characters 16-24
Called from file "src/wp/cfgWP.ml", line 1391, characters 14-837
Called from file "src/wp/Model.ml", line 111, characters 17-20
Re-raised at file "src/wp/Model.ml", line 116, characters 25-28
Called from file "src/wp/Model.ml", line 117, characters 19-36
Called from file "src/wp/register.ml", line 435, characters 15-40
Called from file "src/wp/register.ml", line 574, characters 17-24
Re-raised at file "src/wp/register.ml", line 578, characters 27-29
Called from file "src/wp/register.ml", line 575, characters 17-24
Re-raised at file "src/wp/register.ml", line 579, characters 30-32
Called from file "src/wp/register.ml", line 575, characters 17-24
Re-raised at file "src/wp/register.ml", line 579, characters 30-32
Called from file "queue.ml", line 134, characters 6-20
Called from file "src/kernel/boot.ml", line 37, characters 4-20
Called from file "src/kernel/cmdline.ml", line 763, characters 2-9
Called from file "src/kernel/cmdline.ml", line 216, characters 4-8
Unexpected error (File "src/wp/MemVar.ml", line 474, characters 54-60: Assertion failed).
Please report as 'crash' at http://bts.frama-c.com/.
Your Frama-C version is Sodium-20150201.
Note that a version and a backtrace alone often do not contain enough
information to understand the bug. Guidelines for reporting bugs are at:
http://bts.frama-c.com/dokuwiki/doku.php?id=mantis:frama-c:bug_reporting_guidelines
issue