ID0002416: **This issue was created automatically from Mantis Issue 2416. Further discussion may take place here.** --- | **Id** | **Project** | **Category** | **View** | **Due Date** | **Updated** | | --- | --- | --- | --- | --- | --- | | ID0002416 | Frama-C | Plug-in > E-ACSL | public | 2018-12-11 | 2018-12-11 | | | | | | | | | --- | --- | --- | --- | --- | --- | | **Reporter** | rmalak | **Assigned To** | signoles | **Resolution** | open | | **Priority** | normal | **Severity** | minor | **Reproducibility** | always | | **Platform** | x86_64 | **OS** | Linux 4.18 Ocaml 4.07.0 | **OS Version** | Debian Sid | | **Product Version** | Frama-C 18-Argon | **Target Version** | - | **Fixed in Version** | - | ### Description : Hi, Is there a workaround for the function pointer limitation //////////////// cfg.c void func(void) { int i = 0 ; int *ptr = &i; /*@ assert \valid(ptr); */ *ptr = 0 ; } int main(int argc, char **argv) { void (*ptr_func)(void) = &func; (*ptr_func)(); return 0; } //////////////// ### Additional Information : I would like to find a solution that do not involve : - the use of EVA OR - modifying the code ### Steps To Reproduce : $ frama-c -machdep gcc_x86_64 cfg.c -e-acsl -then-last -print -ocode cfg.e-acsl.c [kernel] Parsing FRAMAC_SHARE/e-acsl/e_acsl_gmp_api.h (with preprocessing) [kernel] Parsing FRAMAC_SHARE/e-acsl/e_acsl.h (with preprocessing) [kernel] Parsing cfg.c (with preprocessing) [e-acsl] beginning translation. [e-acsl] cfg.c:12: Warning: function pointers may introduce too limited instrumentation. [e-acsl] translation done in project "e-acsl". $ gcc -DE_ACSL_SEGMENT_MMODEL -Wno-attributes -I$(frama-c -print-share-path)/e-acsl/ -o cfg.e-acsl cfg.e-acsl.c $(frama-c -print-share-path)/e-acsl/e_acsl_rtl.c $(frama-c -print-share-path)/../../lib/libeacsl-dlmalloc.a $(frama-c -print-share-path)/../../lib/libeacsl-gmp.a -lm $ ./cfg.e-acsl Assertion failed at line 5 in function func. The failing predicate is: \valid(ptr). Aborted