r12951, slicing is slow
ID0000801:
**This issue was created automatically from Mantis Issue 801. Further discussion may take place here.**
---
| **Id** | **Project** | **Category** | **View** | **Due Date** | **Updated** |
| --- | --- | --- | --- | --- | --- |
| ID0000801 | Frama-C | Plug-in > slicing | public | 2011-04-20 | 2011-10-10 |
| | | | | | |
| --- | --- | --- | --- | --- | --- |
| **Reporter** | pascal | **Assigned To** | Anne | **Resolution** | fixed |
| **Priority** | normal | **Severity** | minor | **Reproducibility** | always |
| **Platform** | - | **OS** | - | **OS Version** | - |
| **Product Version** | Frama-C GIT, precise the release id | **Target Version** | - | **Fixed in Version** | Frama-C Nitrogen-20111001 |
### Description :
Not sure whether this is a real issue and how much is can be changed, but slicing is very slow with this command and program:
i=s.20000836.1.c ~/ppc/bin/toplevel.opt -val-signed-overflow-alarms $i -cpp-command "gcc -m32 -C -E -D__FRAMAC -I. -I$CSMITH/runtime " -slice-calls Frama_C_show_each -slevel 5000 -slevel-function crc32_gentab:0 -then-on 'Slicing export' -print -ocode s.c -kernel-debug 1
The -kernel-debug 1 is to get a backtrace when pressing ctrl-C:
[from] Computing for function safe_rshift_func_int16_t_s_u
/home/cuoq/csmith-2.0.0/runtime/safe_math.h:265:[from] Non terminating function (no dependencies)
[from] Done for function safe_rshift_func_int16_t_s_u
^CFatal error: exception Sys.Break
Raised at file "sys.ml", line 79, characters 52-57
Called from file "hashtbl.ml", line 62, characters 6-29
Called from file "cil/src/ext/dataflow.ml", line 450, characters 32-52
Called from file "cil/src/ext/dataflow.ml", line 435, characters 32-35
Called from file "queue.ml", line 134, characters 6-20
Called from file "cil/src/ext/dataflow.ml", line 435, characters 8-54
Called from file "cil/src/ext/dataflow.ml", line 450, characters 14-131
Called from file "cil/src/ext/dataflow.ml", line 495, characters 16-43
Called from file "cil/src/ext/dataflow.ml", line 500, characters 9-22
Called from file "src/pdg/build.ml", line 1114, characters 10-33
Called from file "src/pdg/build.ml", line 1141, characters 14-34
Called from file "src/project/state_builder.ml", line 634, characters 17-22
Called from file "src/slicing/slicingMacros.ml", line 151, characters 46-60
Called from file "src/slicing/fct_slice.ml", line 756, characters 23-50
Called from file "src/slicing/fct_slice.ml", line 1116, characters 46-73
Called from file "src/slicing/fct_slice.ml", line 1161, characters 12-52
Called from file "src/slicing/slicingProject.ml", line 329, characters 12-52
Called from file "src/slicing/slicingProject.ml", line 371, characters 16-48
Called from file "src/slicing/slicingProject.ml", line 402, characters 26-45
Called from file "src/slicing/slicingProject.ml", line 403, characters 10-27
Called from file "src/slicing/slicingProject.ml", line 403, characters 10-27
Called from file "src/slicing/slicingProject.ml", line 403, characters 10-27
Called from file "src/slicing/slicingProject.ml", line 403, characters 10-27
Called from file "src/slicing/slicingProject.ml", line 403, characters 10-27
Called from file "src/slicing/slicingProject.ml", line 403, characters 10-27
Called from file "src/slicing/slicingProject.ml", line 403, characters 10-27
Called from file "src/slicing/slicingProject.ml", line 403, characters 10-27
Called from file "src/slicing/slicingProject.ml", line 403, characters 10-27
Called from file "src/slicing/slicingProject.ml", line 403, characters 10-27
Called from file "src/slicing/slicingProject.ml", line 403, characters 10-27
Called from file "src/slicing/slicingProject.ml", line 403, characters 10-27
Called from file "src/slicing/slicingProject.ml", line 403, characters 10-27
Called from file "src/slicing/slicingProject.ml", line 403, characters 10-27
Called from file "src/slicing/slicingProject.ml", line 403, characters 10-27
Called from file "src/slicing/slicingProject.ml", line 403, characters 10-27
Called from file "src/slicing/slicingProject.ml", line 403, characters 10-27
Called from file "src/slicing/slicingProject.ml", line 403, characters 10-27
Called from file "src/slicing/slicingProject.ml", line 403, characters 10-27
Called from file "src/slicing/slicingProject.ml", line 403, characters 10-27
Called from file "src/slicing/slicingProject.ml", line 403, characters 10-27
Called from file "src/slicing/slicingProject.ml", line 403, characters 10-27
Called from file "src/slicing/slicingProject.ml", line 403, characters 10-27
Called from file "src/slicing/slicingProject.ml", line 403, characters 10-27
Called from file "src/slicing/slicingProject.ml", line 403, characters 10-27
Called from file "src/slicing/slicingProject.ml", line 403, characters 10-27
Called from file "src/slicing/slicingProject.ml", line 403, characters 10-27
Called from file "src/slicing/slicingProject.ml", line 403, characters 10-27
Called from file "src/slicing/slicingProject.ml", line 403, characters 10-27
Called from file "src/slicing/slicingProject.ml", line 403, characters 10-27
Called from file "src/slicing/slicingProject.ml", line 403, characters 10-27
Called from file "src/slicing/slicingProject.ml", line 403, characters 10-27
Called from file "src/slicing/slicingProject.ml", line 403, characters 10-27
Called from file "src/slicing/slicingProject.ml", line 403, characters 10-27
Called from file "src/slicing/slicingProject.ml", line 403, characters 10-27
Called from file "src/slicing/slicingProject.ml", line 403, characters 10-27
Called from file "src/slicing/slicingProject.ml", line 403, characters 10-27
Called from file "src/slicing/slicingProject.ml", line 403, characters 10-27
Called from file "src/slicing/slicingProject.ml", line 403, characters 10-27
Called from file "src/slicing/slicingProject.ml", line 403, characters 10-27
Called from file "src/slicing/slicingProject.ml", line 403, characters 10-27
Called from file "src/slicing/slicingProject.ml", line 411, characters 10-27
Called from file "src/slicing/register.ml", line 465, characters 10-44
Called from file "src/slicing/register.ml", line 1161, characters 4-50
Called from file "queue.ml", line 134, characters 6-20
Called from file "src/kernel/boot.ml", line 36, characters 4-20
Called from file "src/kernel/cmdline.ml", line 723, characters 2-9
Called from file "src/kernel/cmdline.ml", line 200, characters 4-8
Re-raised at file "src/kernel/cmdline.ml", line 214, characters 7-10
Called from file "src/kernel/boot.ml", line 65, characters 2-330
## Attachments
- [s.20000836.1.c](/uploads/917208bb20a57c1350e65353d101bb5a/s.20000836.1.c)
issue