Comments (2)
mchalupa
commented on September 22, 2024
What command did you use to run Symbiotic? If you used the --sv-comp flag, then the automatic initialization of uninitialized memory was turned off (https://github.com/staticafi/symbiotic/blob/main/lib/symbioticpy/symbiotic/options.py#L122). The relevant command-line option is --explicit-symbolic, but it turns off this feature. I do not think there is currently a way to use --sv-comp and turn off --explicit-symbolic. To get the desired behavior, you must modify the line I referenced above. If you didn't use --sv-comp, then it is probably a bug.
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Novak756
commented on September 22, 2024
I ran it with the default settings, so without --sv-comp or --explicit-symbolic. It only found the bug when I explicitly initialized the array with nondet values.
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Related Issues (20)
- Consecutive `malloc` allocations are not modelled correctly HOT 3
- A bug in checking undefined behavior HOT 1
- `__VERIFIER_nondet_*` in our models break SV-COMP witnesses
- build: add all licenses into the archive HOT 2
- Symbiotic may fail to start when wrong `clang` binary is in `PATH`
- Undetected integer overflows in constant-folded expressions
- Depending in the optimization level, assertion violations in `inline` functions may not be detected HOT 3
- Symbiotic failed to find `invalid free` and `memory leak`
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- Build fails when with-llvm=... is supplied
- Create and use a fork of DG HOT 2
- Bug: Unknown-Err on certain programs with AssertionErrors + Exceptions in Log
- build.sh uses git protocol
- Error-call detection depends on order of array initialisation
- Symbiotic missing an error HOT 2
- Undefined-are-pure causes slicer error
- Combining --undefined-are-pure and --exit-on-error causes missed error
- Is it possible to run symbiotic directly on LLVM bitcode file? HOT 1
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