tacasv2c: --slice for overflow - #71

Merged

hbgit merged 50 commits into

feat/tacas-slicing-overflow

Sep 28, 2026

Commits on Sep 26, 2026

docs(tacasv1): design spec — replace LibFuzzer with AFL++
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docs(tacasv1): implementation plan — LibFuzzer to AFL++
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feat(tacasv1): install AFL++ 4.40c (PCGUARD) in the dev image
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feat(tacasv1): resolve afl-clang-fast/afl-fuzz paths
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feat(tacasv1): replace FindLibFuzzer with FindAFLPlusPlus
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feat(tacasv1): AFL++ persistent nondet generator
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feat(tacasv1): drive AFL++ from the Caller
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feat(tacasv1): --nondet-generator afl replaces fuzzer
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chore(tacasv1): rename SKIP_LIB_FUZZER→SKIP_AFL_PLUS_PLUS and update docs
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fix(tacasv1): make the AFL++ arm build and confirm violations

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fix(tacasv1): address the review of the AFL++ fix commit

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feat(tacasv1): CmpLog companion binary, and rewind the AFL++ read index

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fix(tacasv1): bound afl-fuzz by timeout alone, not also by -V

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fix(verdict): an empty vector is a witness when the program reads no input

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Commits on Sep 27, 2026

docs(tacasv2a): design spec — slicing for reach/assert that keeps the suite valid

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docs(tacasv2a): implementation plan

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feat(tacasv2a): pure slicing helpers -- criteria, stub, statistics

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fix(tacasv2a): slice without cutoff and keep every nondet read

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feat(tacasv2a): --slice in assert mode

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docs(tacasv2a): diagnostic sample re-run on the implementation

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fix(tacasv2a): take the nondet names from the program as well

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ci: run the PR gates on PRs stacked on tacas/** branches

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Revert "ci: run the PR gates on PRs stacked on tacas/** branches"

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test(tacasv1): the evaluation runner's fuzzer arm is GENERATOR=afl

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Merge branch 'feat/tacas-aflpp' into feat/tacas-slicing
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docs(tacas): experiment log -- one entry per mini-round (R1-R6)

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docs(tacasv2b): design spec — slicing for memtrack/memcleanup after instrumentation

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docs(tacasv2b): implementation plan

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feat(tacasv2b): runtime names as slicing criteria

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feat(tacasv2b): --slice for memtrack and memcleanup, after instrumentation

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test(tacasv2b): SV-COMP MemSafety evaluation harness

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test(tacasv2b): opt-in flags for the CASTLE and Juliet runners

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docs(tacas): R7 -- overflow slicing probe

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docs(tacasv2c): study and draft spec -- slicing for overflow

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docs(tacasv2c): implementation plan

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feat(tacasv2c): --slice for overflow

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test(tacasv2c): NoOverflows harness

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docs(tacas): R8-R9 -- memory slicing rounds, wrong TRUE found

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fix(tacasv2b): external calls are slicing criteria after instrumentation

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Merge branch 'feat/tacas-slicing-mem' into feat/tacas-slicing-overflow
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fix(verdict): KLEE halting on its timer is a timeout, not a proof

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Merge branch 'feat/tacas-slicing-mem' into feat/tacas-slicing-overflow
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docs(tacas): R9b-R13 and the two correctness defects they exposed

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docs(tacas): sleep-3 is a pre-existing memtrack false positive, not slicing

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Commits on Sep 28, 2026