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  • #592
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Issue created Sep 21, 2015 by Jochen Burghardt@burghardt

incomplete Alt-Ergo obligation files generated in presence of lemma "forall int x; ..." with "x" not occurring in "..."

ID0002169: This issue was created automatically from Mantis Issue 2169. Further discussion may take place here.


Id Project Category View Due Date Updated
ID0002169 Frama-C Plug-in > wp public 2015-09-21 2015-09-21
Reporter Jochen Assigned To correnson Resolution open
Priority normal Severity minor Reproducibility always
Platform Sodium-20150201 OS - OS Version xubuntu14.04
Product Version - Target Version - Fixed in Version -

Description :

Running "frama-c -wp 483.c -wp-out wp-out" on the attached file generates an Alt-Ergo obligation file "foo_assert_Alt-Ergo.mlw" which contains neither the lemma "xxx" nor the proof goal for the assertion in line 5. Apparently, Frama-C/Wp tacitly crashes during translating the lemma.

The problem disappears ifin line 2 "int" is changed to "integer", or "\false" is changed to some formula containing "x".

Attachments

  • 483.c
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