Frama-C My colleagues are formidable. Over the last few days, three of them fixed four bugs in my code. And one of the fixes was a simple, obviously correct fix for the bug previously discussed here. In celebration of these terrific colleagues here is a new patchset for Nitrogen 20111001 patchlevel...
Read MoreIt is very easy to make snap judgments about other static analyzers when you are yourself working on one. You do not even need to act in bad faith: you just try the other tools on the programs that you worked hard to give interesting results on — difficult examples,...
Read MoreSpeaking of bug fixes, here is what a proper post-release patch looks like. This patch fixes five issues identified since Nitrogen was released. I have not tested the patch itself (I have not even tried applying it to the original tarball) — this is where you come in dear reader....
Read MoreIn the course of restructuring the value analysis, I noticed a difference in some regression tests. The \after" version had some new warnings that weren't in the "before" version. After further investigation it turned out that displaying the warnings was correct and that the "before" version was unsound. This soundness...
Read MoreAnswering the two questions from last post in reverse order: What shorter analysis context would test arbitrarily long sequences of interrupts, with repetitions? There was a hint in the previous post in the link to the Skein-256 tutorial. A stronger hint would have been to link directly to this post...
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