ID0002409: **This issue was created automatically from Mantis Issue 2409. Further discussion may take place here.** --- | **Id** | **Project** | **Category** | **View** | **Due Date** | **Updated** | | --- | --- | --- | --- | --- | --- | | ID0002409 | Frama-C | Plug-in > wp | public | 2018-11-13 | 2019-10-17 | | | | | | | | | --- | --- | --- | --- | --- | --- | | **Reporter** | hugo.gimbert | **Assigned To** | correnson | **Resolution** | won't fix | | **Priority** | normal | **Severity** | crash | **Reproducibility** | always | | **Platform** | macosx | **OS** | mojave | **OS Version** | 10.14.1 | | **Product Version** | Frama-C 17-Chlorine | **Target Version** | - | **Fixed in Version** | - | ### Description : frama-c -wp somme.c with somme.c containing /*@ logic integer f(integer k) = k; lemma sumint: \forall int n; n >= 0 ==> \sum(0,n,f) == n * (n+1) / 2; */ leads to crash Trace below ### Additional Information : [kernel] Parsing somme.c (with preprocessing) [wp] Failure: Unbound logic variable 'f' [kernel] Current source was: somme.c:4 The full backtrace is: Raised at file "src/kernel_services/plugin_entry_points/log.ml" (inlined), line 531, characters 24-31 Called from file "src/kernel_services/plugin_entry_points/log.ml", line 998, characters 12-50 Called from file "src/kernel_services/plugin_entry_points/log.ml", line 524, characters 9-23 Re-raised at file "src/kernel_services/plugin_entry_points/log.ml", line 527, characters 9-16 Called from file "src/plugins/wp/LogicSemantics.ml", line 205, characters 18-38 Called from file "src/plugins/wp/LogicSemantics.ml", line 238, characters 16-32 Called from file "src/plugins/wp/Warning.ml", line 146, characters 6-10 Called from file "src/plugins/wp/LogicSemantics.ml", line 920, characters 12-32 Called from file "src/plugins/wp/Context.ml", line 31, characters 12-17 Re-raised at file "src/plugins/wp/Context.ml", line 34, characters 35-46 Called from file "src/plugins/wp/LogicCompiler.ml" (inlined), line 435, characters 20-35 Called from file "src/plugins/wp/LogicSemantics.ml", line 124, characters 10-23 Called from file "list.ml", line 88, characters 20-23 Called from file "list.ml", line 88, characters 32-39 Called from file "list.ml", line 88, characters 32-39 Called from file "src/plugins/wp/LogicSemantics.ml", line 594, characters 23-52 Called from file "src/plugins/wp/Warning.ml", line 146, characters 6-10 Called from file "src/plugins/wp/LogicSemantics.ml", line 920, characters 12-32 Called from file "src/plugins/wp/Context.ml", line 31, characters 12-17 Re-raised at file "src/plugins/wp/Context.ml", line 34, characters 35-46 Called from file "src/plugins/wp/LogicCompiler.ml" (inlined), line 435, characters 20-35 Called from file "src/plugins/wp/LogicSemantics.ml", line 124, characters 10-23 Called from file "src/plugins/wp/LogicSemantics.ml", line 361, characters 16-35 Called from file "src/plugins/wp/Warning.ml", line 146, characters 6-10 Called from file "src/plugins/wp/LogicSemantics.ml", line 931, characters 12-42 Called from file "src/plugins/wp/Context.ml", line 31, characters 12-17 Re-raised at file "src/plugins/wp/Context.ml", line 34, characters 35-46 Called from file "src/plugins/wp/LogicCompiler.ml" (inlined), line 434, characters 28-51 Called from file "src/plugins/wp/LogicSemantics.ml", line 735, characters 39-62 Called from file "src/plugins/wp/Warning.ml", line 146, characters 6-10 Called from file "src/plugins/wp/LogicSemantics.ml", line 931, characters 12-42 Called from file "src/plugins/wp/Context.ml", line 31, characters 12-17 Re-raised at file "src/plugins/wp/Context.ml", line 34, characters 35-46 Called from file "src/plugins/wp/LogicCompiler.ml", line 399, characters 21-32 Called from file "src/plugins/wp/Context.ml", line 70, characters 14-17 Re-raised at file "src/plugins/wp/Context.ml", line 71, characters 37-48 Called from file "src/plugins/wp/Context.ml", line 70, characters 14-17 Re-raised at file "src/plugins/wp/Context.ml", line 71, characters 37-48 Called from file "src/plugins/wp/Context.ml", line 70, characters 14-17 Re-raised at file "src/plugins/wp/Context.ml", line 71, characters 37-48 Called from file "src/plugins/wp/Context.ml", line 70, characters 14-17 Re-raised at file "src/plugins/wp/Context.ml", line 71, characters 37-48 Called from file "src/plugins/wp/LogicCompiler.ml", line 485, characters 6-60 Called from file "src/plugins/wp/LogicCompiler.ml", line 741, characters 6-104 Called from file "src/plugins/wp/LogicCompiler.ml", line 758, characters 24-46 Called from file "src/plugins/wp/cfgWP.ml", line 1351, characters 31-42 Called from file "map.ml", line 295, characters 20-25 Called from file "src/plugins/wp/cfgWP.ml", line 1435, characters 19-59 Called from file "src/plugins/wp/Context.ml", line 70, characters 14-17 Re-raised at file "src/plugins/wp/Context.ml", line 71, characters 37-48 Called from file "src/plugins/wp/Context.ml" (inlined), line 73, characters 21-47 Called from file "src/plugins/wp/Model.ml" (inlined), line 127, characters 21-45 Called from file "src/plugins/wp/Model.ml" (inlined), line 129, characters 18-36 Called from file "src/plugins/wp/cfgWP.ml", line 1433, characters 14-202 Called from file "src/plugins/wp/Model.ml", line 120, characters 17-20 Re-raised at file "src/plugins/wp/Model.ml", line 125, characters 19-28 Called from file "src/plugins/wp/Model.ml" (inlined), line 126, characters 19-36 Called from file "src/plugins/wp/cfgWP.ml", line 1431, characters 10-1023 Called from file "src/plugins/wp/register.ml", line 689, characters 15-40 Called from file "src/libraries/stdlib/extlib.ml", line 301, characters 14-17 Re-raised at file "src/libraries/stdlib/extlib.ml", line 301, characters 41-48 Called from file "src/libraries/stdlib/extlib.ml", line 302, characters 2-12 Called from file "src/libraries/stdlib/extlib.ml", line 302, characters 2-12 Called from file "queue.ml", line 105, characters 6-15 Called from file "src/kernel_internals/runtime/boot.ml", line 36, characters 4-20 Called from file "src/kernel_services/cmdline_parameters/cmdline.ml", line 791, characters 2-9 Called from file "src/kernel_services/cmdline_parameters/cmdline.ml", line 821, characters 18-64 Called from file "src/kernel_services/cmdline_parameters/cmdline.ml", line 230, characters 4-8 Plug-in wp aborted: internal error. Please report as 'crash' at http://bts.frama-c.com/. Your Frama-C version is Chlorine-20180502. 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 hugo-9:TP3 gimbert$ cat somme.c /*@ logic integer f(integer k) = k; lemma sumint: \forall int n; n >= 0 ==> \sum(0,n,f) == n * (n+1) / 2; */ ## Attachments - [somme.c](/uploads/5ef73e24f859da4da063d6d4e135ea99/somme.c)