Check purity of loop contracts #7207

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feliperodri opened this issue Oct 5, 2022 · 2 comments

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aws bug Code Contracts

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feliperodri commented Oct 5, 2022

CBMC version: 5.67.0
Operating system: N/A

Check purity of loop contracts.

feliperodri added bug aws Code Contracts labels

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feliperodri commented Oct 5, 2022

the internal mechanics for checking side effects is now available through #6887, but loop contracts need to be ported over to DFCC)

feliperodri assigned qinheping

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qinheping commented Nov 3, 2022 •

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The purity checks of loop contracts are already implemented.
Invariant clauses: https://github.com/diffblue/cbmc/blob/develop/src/goto-programs/goto_convert.cpp#L877
Decreases clauses: https://github.com/diffblue/cbmc/blob/develop/src/goto-programs/goto_convert.cpp#L891
Assigns clauses: https://github.com/diffblue/cbmc/blob/develop/src/ansi-c/c_typecheck_code.cpp#L505

qinheping closed this as completed

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