Challenge 7: Kani contracts for atomic types and intrinsics - #642
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sankalpsthakur wants to merge 3 commits into
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Challenge 7: Kani contracts for atomic types and intrinsics#642sankalpsthakur wants to merge 3 commits into
sankalpsthakur wants to merge 3 commits into
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Kani contracts and harnesses for verify-rust-std challenge. Fixes rust-lang#83
Apply rust-lang rustfmt.toml (style_edition 2024, use_small_heuristics=Max) so upstream_test format check passes. Same as ./scripts/check_rustc.sh --bless.
Add kani::modifies on atomic store/RMW contracts and wrappers. Proofs use live stack objects instead of wrapping_add pointers, which lose provenance and fail CBMC's assignable check. Fixes rust-lang#83
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Withdrawing this; no maintainer signal and we are cutting the queue. |
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Summary
Kani safety contracts and proof harnesses for this challenge. Runtime stdlib logic is unchanged; annotations are cfg(kani) / contract attributes.
Atomic types plus related intrinsics.
Validation
challenge/07-atomicscripts/run-kani.sh)Fixes #83
AI/LLM disclosure