22446: unknown sizes of types and value initialization
ID0001416:
**This issue was created automatically from Mantis Issue 1416. Further discussion may take place here.**
---
| **Id** | **Project** | **Category** | **View** | **Due Date** | **Updated** |
| --- | --- | --- | --- | --- | --- |
| ID0001416 | Frama-C | Plug-in > Eva | public | 2013-05-07 | 2014-07-28 |
| | | | | | |
| --- | --- | --- | --- | --- | --- |
| **Reporter** | pascal | **Assigned To** | yakobowski | **Resolution** | fixed |
| **Priority** | normal | **Severity** | crash | **Reproducibility** | have not tried |
| **Platform** | - | **OS** | - | **OS Version** | - |
| **Product Version** | Frama-C GIT, precise the release id | **Target Version** | - | **Fixed in Version** | Frama-C Neon-20140301 |
### Description :
Commit 22446 transforms a crash when some types have unknown sizes into a clean exit, but there remains a problem with the test below:
Sending src/value/initial_state.ml
Transmitting file data .
Committed revision 22446.
~/ppc $ cat t.c
struct s;
struct larger {
struct s t[2];
int i;
} v;
int main(int c, char **v)
{
return 0;
}
~/ppc $ bin/toplevel.opt -val t.c
[kernel] warning: cannot load 5 plug-ins (incompatible with Fluorine-20130401+dev).
Aorai; Obfuscator; Report; Security_slicing;
Wp
[kernel] preprocessing with "gcc -C -E -I. t.c"
[value] Analyzing a complete application starting at main
[value] Computing initial state
t.c:6:[value] warning: during initialization of variable 'v', size of type 'struct s' cannot be
computed (abstract type 'struct s')
[value] Initial state computed
[value] Values of globals at initialization
[kernel] Current source was: t.c:6
The full backtrace is:
Raised at file "cil/src/cil.ml", line 4250, characters 40-64
Called from file "cil/src/cil.ml", line 4763, characters 17-35
Called from file "src/project/state_builder.ml", line 556, characters 17-22
Called from file "src/misc/bit_utils.ml", line 245, characters 37-66
Called from file "list.ml", line 86, characters 24-34
Called from file "src/misc/bit_utils.ml", line 242, characters 37-1023
Called from file "src/misc/bit_utils.ml", line 432, characters 4-58
Called from file "src/memory_state/offsetmap.ml", line 1726, characters 14-160
Called from file "src/memory_state/offsetmap.ml", line 424, characters 10-34
Called from file "format.ml", line 1166, characters 10-25
Called from file "format.ml", line 1166, characters 10-25
Called from file "src/lib/pretty_utils.ml", line 89, characters 2-121
Called from file "format.ml", line 1166, characters 10-25
Called from file "src/value/eval_funs.ml", line 317, characters 6-176
Called from file "src/value/eval_funs.ml", line 567, characters 11-40
Re-raised at file "src/value/eval_funs.ml", line 583, characters 47-50
Called from file "src/project/state_builder.ml", line 839, characters 9-13
Re-raised at file "src/project/state_builder.ml", line 847, characters 15-18
Called from file "src/value/register.ml", line 82, characters 4-24
Called from file "queue.ml", line 135, characters 6-20
Called from file "src/kernel/boot.ml", line 37, characters 4-20
Called from file "src/kernel/cmdline.ml", line 732, characters 2-9
Called from file "src/kernel/cmdline.ml", line 212, characters 4-8
Unexpected error (Cil.SizeOfError("abstract type 'struct s'", _)).
Please report as 'crash' at http://bts.frama-c.com/.
Your Frama-C version is Fluorine-20130401+dev.
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
~/ppc $
issue