ID0001572: **This issue was created automatically from Mantis Issue 1572. Further discussion may take place here.** --- | **Id** | **Project** | **Category** | **View** | **Due Date** | **Updated** | | --- | --- | --- | --- | --- | --- | | ID0001572 | Frama-C | Kernel | public | 2013-11-27 | 2014-03-13 | | | | | | | | | --- | --- | --- | --- | --- | --- | | **Reporter** | dmentre | **Assigned To** | yakobowski | **Resolution** | fixed | | **Priority** | normal | **Severity** | crash | **Reproducibility** | always | | **Platform** | - | **OS** | - | **OS Version** | - | | **Product Version** | Frama-C Fluorine-20130601 | **Target Version** | - | **Fixed in Version** | Frama-C Neon-20140301 | ### Description : With the attached files, when I call the following command I get a backtrace: frama-c questions/q18_a.c questions/q18_b.c """ [kernel] preprocessing with "gcc -C -E -I. questions/q18_a.c" questions/q18_a.h:6:[kernel] warning: found two contracts. Merging them [kernel] preprocessing with "gcc -C -E -I. questions/q18_b.c" questions/q18_a.c:18:[kernel] warning: found two contracts. Merging them questions/q18_a.c:18:[kernel] warning: found two contracts. Merging them [kernel] failure: trying to register twice property `requires p ? 10'. That is forbidden (kernel invariant broken). [kernel] Current source was: questions/q18_b.c:8 The full backtrace is: Raised at file "src/kernel/log.ml", line 523, characters 30-31 Called from file "src/kernel/log.ml", line 517, characters 9-16 Re-raised at file "src/kernel/log.ml", line 520, characters 15-16 Called from file "src/logic/property_status.ml", line 292, characters 4-132 Called from file "list.ml", line 75, characters 12-15 Called from file "set.ml", line 305, characters 38-41 Called from file "src/kernel/file.ml", line 1487, characters 2-53 Called from file "src/kernel/file.ml", line 2020, characters 4-27 Called from file "src/kernel/ast.ml", line 103, characters 2-28 Called from file "src/kernel/ast.ml", line 114, characters 53-71 Called from file "src/kernel/boot.ml", line 29, characters 6-20 Called from file "src/kernel/cmdline.ml", line 732, characters 2-9 Called from file "src/kernel/cmdline.ml", line 212, characters 4-8 """ Strangely enough, I call frama-c on the files in the reverse order, everything goes well: frama-c questions/q18_b.c questions/q18_a.c """ [kernel] preprocessing with "gcc -C -E -I. questions/q18_b.c" [kernel] preprocessing with "gcc -C -E -I. questions/q18_a.c" questions/q18_a.h:6:[kernel] warning: found two contracts. Merging them questions/q18_a.c:18:[kernel] warning: found two contracts. Merging them """ ## Attachments - [q18_a.c](/uploads/10f04c0db051498b932d92fdd22e9db9/q18_a.c) - [q18_a.h](/uploads/7f819244d8d7735ba6fe1091fda5263d/q18_a.h) - [q18_b.c](/uploads/16ee6ccbd60257bd93b2d638f80ab9b3/q18_b.c)