Arrays with more than 64 elements no longer cause spurious failures - #4470

Merged
feliperodri merged 1 commit into
model-checking:mainfrom
tautschnig:2416-is-resolved
Nov 12, 2025
Merged

Arrays with more than 64 elements no longer cause spurious failures#4470
feliperodri merged 1 commit into
model-checking:mainfrom
tautschnig:2416-is-resolved

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@tautschnig

@tautschnigtautschnig commented Nov 12, 2025

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With #4448 merged (upgrade to CBMC 6.8.0) we have the necessary fix in place to avoid spurious failures with arrays that have more than 64 elements.

Resolves: #2416
Resolves: #4408

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 and MIT licenses.

@tautschnig
Arrays with more than 64 elements no longer cause spurious failures
cad14b7
With model-checking#4448 merged (upgrade to CBMC 6.8.0) we have the necessary fix in
place to avoid spurious failures with arrays that have more than 64
elements.
Resolves: model-checking#2416Resolves: model-checking#4408
@tautschnig
tautschnig requested a review from a team as a code ownerNovember 12, 2025 11:32
@feliperodri
feliperodri added this pull request to the merge queueNov 12, 2025
Merged via the queue into model-checking:main with commit af70d99Nov 12, 2025
33 checks passed
github-merge-queueBot pushed a commit that referenced this pull request Jan 15, 2026
@zhassan-aws@tautschnig
Bump Kani version (#4511)
4feaaad
0.67.0 Kani release
Raw release notes:
```
## What's Changed
* Upgrade Rust toolchain to 2025-11-06 by @tautschnig in #4451
* Upgrade Rust toolchain to 2025-11-07 by @tautschnig in #4454
* Automatic toolchain upgrade to nightly-2025-11-08 by @github-actions[bot] in #4456
* Automatic toolchain upgrade to nightly-2025-11-09 by @github-actions[bot] in #4457
* Automatic cargo update to 2025-11-10 by @github-actions[bot] in #4459
* Gracefully fail when compiling structs with too large array by @tautschnig in #4461
* Upgrade Rust toolchain to 2025-11-10 by @tautschnig in #4460
* Bump tests/perf/s2n-quic from `e726f08` to `cf77e2b` by @dependabot[bot] in #4462
* Automatic toolchain upgrade to nightly-2025-11-11 by @github-actions[bot] in #4463
* fix: Make kani attribute nameres work with generic args having `::` by @ShoyuVanilla in #4427
* NixOS: patch binaries if the dynamic linker is a stub by @GrigorenkoPV in #4413
* Update charon submodule by 15 commits by @tautschnig in #4464
* Arrays with more than 64 elements no longer cause spurious failures by @tautschnig in #4470
* Upgrade Rust toolchain to 2025-11-12 by @tautschnig in #4469
* Upgrade Rust toolchain to 2025-11-13 by @tautschnig in #4473
* Automatic cargo update to 2025-11-17 by @github-actions[bot] in #4476
* Upgrade Rust toolchain to 2025-11-16 by @tautschnig in #4477
* Automatic toolchain upgrade to nightly-2025-11-18 by @github-actions[bot] in #4478
* Upgrade Rust toolchain to 2025-11-19 by @tautschnig in #4482
* Automatic toolchain upgrade to nightly-2025-11-20 by @github-actions[bot] in #4483
* Automatic cargo update to 2025-11-24 by @github-actions[bot] in #4487
* Bump tests/perf/s2n-quic from `cf77e2b` to `25d7f4e` by @dependabot[bot] in #4489
* Bump actions/checkout from 5 to 6 by @dependabot[bot] in #4488
* Automatic cargo update to 2025-12-01 by @github-actions[bot] in #4491
* Bump tests/perf/s2n-quic from `25d7f4e` to `77f104c` by @dependabot[bot] in #4492
* Automatic cargo update to 2025-12-08 by @github-actions[bot] in #4493
* Bump tests/perf/s2n-quic from `77f104c` to `1ac1364` by @dependabot[bot] in #4494
* docs: Correct `default-unwind` Cargo.toml examples by @hashcatHitman in #4496
* Automatic cargo update to 2025-12-15 by @github-actions[bot] in #4497
* Bump peter-evans/create-pull-request from 7 to 8 by @dependabot[bot] in #4498
* Bump actions/download-artifact from 6 to 7 by @dependabot[bot] in #4499
* Bump tests/perf/s2n-quic from `1ac1364` to `8445d10` by @dependabot[bot] in #4500
* Bump mdbook version by @zhassan-aws in #4503
* Bump tests/perf/s2n-quic from `8445d10` to `112439c` by @dependabot[bot] in #4502
* Automatic cargo update to 2025-12-22 by @github-actions[bot] in #4501
* Bump tests/perf/s2n-quic from `112439c` to `dce0a3c` by @dependabot[bot] in #4506
* Automatic cargo update to 2025-12-29 by @github-actions[bot] in #4505
* Automatic cargo update to 2026-01-05 by @github-actions[bot] in #4508
* Add a section with recommended setup for Rust Analyzer by @zhassan-aws in #4504
* Automatic cargo update to 2026-01-12 by @github-actions[bot] in #4509
* Bump tests/perf/s2n-quic from `dce0a3c` to `058783f` by @dependabot[bot] in #4510
* Upgrade Rust toolchain to 2025-11-21 by @tautschnig in #4486
## New Contributors
* @hashcatHitman made their first contribution in #4496
**Full Changelog**: kani-0.66.0...kani-0.67.0
```
By submitting this pull request, I confirm that my contribution is made
under the terms of the Apache 2.0 and MIT licenses.
---------
Co-authored-by: Michael Tautschnig <mt@debian.org>
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Spurious / Impossible failures with? structs containing arrays of size 64 or less? Spurious failure for enum with array data

2 participants

@tautschnig@feliperodri
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Skip to content
Arrays with more than 64 elements no longer cause spurious failures - #4470
Merged
feliperodri merged 1 commit into
model-checking:mainfrom 
tautschnig:2416-is-resolved
Nov 12, 2025
Merged
Arrays with more than 64 elements no longer cause spurious failures#4470
feliperodri merged 1 commit into
model-checking:mainfrom 
tautschnig:2416-is-resolved
Conversation
@tautschnig
@tautschnigtautschnig
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Nov 12, 2025

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With #4448 merged (upgrade to CBMC 6.8.0) we have the necessary fix in place to avoid spurious failures with arrays that have more than 64 elements.
Resolves: #2416
Resolves: #4408
By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 and MIT licenses.
@tautschnig
Arrays with more than 64 elements no longer cause spurious failures
cad14b7
With model-checking#4448 merged (upgrade to CBMC 6.8.0) we have the necessary fix in
place to avoid spurious failures with arrays that have more than 64
elements.
Resolves: model-checking#2416Resolves: model-checking#4408
@tautschnig
tautschnig
requested a review
from a team
as a code ownerNovember 12, 2025 11:32
@feliperodri
feliperodri
added this pull request to the merge queueNov 12, 2025

Merged
via the queue into
model-checking:main
with commit af70d99Nov 12, 2025

33 checks passed

github-merge-queueBot
pushed a commit
that referenced
this pull request
Jan 15, 2026
@zhassan-aws@tautschnig
Bump Kani version (#4511)
4feaaad
0.67.0 Kani release
Raw release notes:
```
## What's Changed
* Upgrade Rust toolchain to 2025-11-06 by @tautschnig in #4451
* Upgrade Rust toolchain to 2025-11-07 by @tautschnig in #4454
* Automatic toolchain upgrade to nightly-2025-11-08 by @github-actions[bot] in #4456
* Automatic toolchain upgrade to nightly-2025-11-09 by @github-actions[bot] in #4457
* Automatic cargo update to 2025-11-10 by @github-actions[bot] in #4459
* Gracefully fail when compiling structs with too large array by @tautschnig in #4461
* Upgrade Rust toolchain to 2025-11-10 by @tautschnig in #4460
* Bump tests/perf/s2n-quic from `e726f08` to `cf77e2b` by @dependabot[bot] in #4462
* Automatic toolchain upgrade to nightly-2025-11-11 by @github-actions[bot] in #4463
* fix: Make kani attribute nameres work with generic args having `::` by @ShoyuVanilla in #4427
* NixOS: patch binaries if the dynamic linker is a stub by @GrigorenkoPV in #4413
* Update charon submodule by 15 commits by @tautschnig in #4464
* Arrays with more than 64 elements no longer cause spurious failures by @tautschnig in #4470
* Upgrade Rust toolchain to 2025-11-12 by @tautschnig in #4469
* Upgrade Rust toolchain to 2025-11-13 by @tautschnig in #4473
* Automatic cargo update to 2025-11-17 by @github-actions[bot] in #4476
* Upgrade Rust toolchain to 2025-11-16 by @tautschnig in #4477
* Automatic toolchain upgrade to nightly-2025-11-18 by @github-actions[bot] in #4478
* Upgrade Rust toolchain to 2025-11-19 by @tautschnig in #4482
* Automatic toolchain upgrade to nightly-2025-11-20 by @github-actions[bot] in #4483
* Automatic cargo update to 2025-11-24 by @github-actions[bot] in #4487
* Bump tests/perf/s2n-quic from `cf77e2b` to `25d7f4e` by @dependabot[bot] in #4489
* Bump actions/checkout from 5 to 6 by @dependabot[bot] in #4488
* Automatic cargo update to 2025-12-01 by @github-actions[bot] in #4491
* Bump tests/perf/s2n-quic from `25d7f4e` to `77f104c` by @dependabot[bot] in #4492
* Automatic cargo update to 2025-12-08 by @github-actions[bot] in #4493
* Bump tests/perf/s2n-quic from `77f104c` to `1ac1364` by @dependabot[bot] in #4494
* docs: Correct `default-unwind` Cargo.toml examples by @hashcatHitman in #4496
* Automatic cargo update to 2025-12-15 by @github-actions[bot] in #4497
* Bump peter-evans/create-pull-request from 7 to 8 by @dependabot[bot] in #4498
* Bump actions/download-artifact from 6 to 7 by @dependabot[bot] in #4499
* Bump tests/perf/s2n-quic from `1ac1364` to `8445d10` by @dependabot[bot] in #4500
* Bump mdbook version by @zhassan-aws in #4503
* Bump tests/perf/s2n-quic from `8445d10` to `112439c` by @dependabot[bot] in #4502
* Automatic cargo update to 2025-12-22 by @github-actions[bot] in #4501
* Bump tests/perf/s2n-quic from `112439c` to `dce0a3c` by @dependabot[bot] in #4506
* Automatic cargo update to 2025-12-29 by @github-actions[bot] in #4505
* Automatic cargo update to 2026-01-05 by @github-actions[bot] in #4508
* Add a section with recommended setup for Rust Analyzer by @zhassan-aws in #4504
* Automatic cargo update to 2026-01-12 by @github-actions[bot] in #4509
* Bump tests/perf/s2n-quic from `dce0a3c` to `058783f` by @dependabot[bot] in #4510
* Upgrade Rust toolchain to 2025-11-21 by @tautschnig in #4486
## New Contributors
* @hashcatHitman made their first contribution in #4496
**Full Changelog**: kani-0.66.0...kani-0.67.0
```
By submitting this pull request, I confirm that my contribution is made
under the terms of the Apache 2.0 and MIT licenses.
---------
Co-authored-by: Michael Tautschnig <mt@debian.org>
Sign up for freeto join this conversation on GitHub.
Already have an account?
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Spurious / Impossible failures with? structs containing arrays of size 64 or less?

Spurious failure for enum with array data


2 participants

@tautschnig@feliperodri

, 'i');
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Skip to content
Arrays with more than 64 elements no longer cause spurious failures - #4470
Merged
feliperodri merged 1 commit into
model-checking:mainfrom 
tautschnig:2416-is-resolved
Nov 12, 2025
Merged
Arrays with more than 64 elements no longer cause spurious failures#4470
feliperodri merged 1 commit into
model-checking:mainfrom 
tautschnig:2416-is-resolved
Conversation
@tautschnig
@tautschnigtautschnig
commented
Nov 12, 2025

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Member
With #4448 merged (upgrade to CBMC 6.8.0) we have the necessary fix in place to avoid spurious failures with arrays that have more than 64 elements.
Resolves: #2416
Resolves: #4408
By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 and MIT licenses.
@tautschnig
Arrays with more than 64 elements no longer cause spurious failures
cad14b7
With model-checking#4448 merged (upgrade to CBMC 6.8.0) we have the necessary fix in
place to avoid spurious failures with arrays that have more than 64
elements.
Resolves: model-checking#2416Resolves: model-checking#4408
@tautschnig
tautschnig
requested a review
from a team
as a code ownerNovember 12, 2025 11:32
@feliperodri
feliperodri
added this pull request to the merge queueNov 12, 2025

Merged
via the queue into
model-checking:main
with commit af70d99Nov 12, 2025

33 checks passed

github-merge-queueBot
pushed a commit
that referenced
this pull request
Jan 15, 2026
@zhassan-aws@tautschnig
Bump Kani version (#4511)
4feaaad
0.67.0 Kani release
Raw release notes:
```
## What's Changed
* Upgrade Rust toolchain to 2025-11-06 by @tautschnig in #4451
* Upgrade Rust toolchain to 2025-11-07 by @tautschnig in #4454
* Automatic toolchain upgrade to nightly-2025-11-08 by @github-actions[bot] in #4456
* Automatic toolchain upgrade to nightly-2025-11-09 by @github-actions[bot] in #4457
* Automatic cargo update to 2025-11-10 by @github-actions[bot] in #4459
* Gracefully fail when compiling structs with too large array by @tautschnig in #4461
* Upgrade Rust toolchain to 2025-11-10 by @tautschnig in #4460
* Bump tests/perf/s2n-quic from `e726f08` to `cf77e2b` by @dependabot[bot] in #4462
* Automatic toolchain upgrade to nightly-2025-11-11 by @github-actions[bot] in #4463
* fix: Make kani attribute nameres work with generic args having `::` by @ShoyuVanilla in #4427
* NixOS: patch binaries if the dynamic linker is a stub by @GrigorenkoPV in #4413
* Update charon submodule by 15 commits by @tautschnig in #4464
* Arrays with more than 64 elements no longer cause spurious failures by @tautschnig in #4470
* Upgrade Rust toolchain to 2025-11-12 by @tautschnig in #4469
* Upgrade Rust toolchain to 2025-11-13 by @tautschnig in #4473
* Automatic cargo update to 2025-11-17 by @github-actions[bot] in #4476
* Upgrade Rust toolchain to 2025-11-16 by @tautschnig in #4477
* Automatic toolchain upgrade to nightly-2025-11-18 by @github-actions[bot] in #4478
* Upgrade Rust toolchain to 2025-11-19 by @tautschnig in #4482
* Automatic toolchain upgrade to nightly-2025-11-20 by @github-actions[bot] in #4483
* Automatic cargo update to 2025-11-24 by @github-actions[bot] in #4487
* Bump tests/perf/s2n-quic from `cf77e2b` to `25d7f4e` by @dependabot[bot] in #4489
* Bump actions/checkout from 5 to 6 by @dependabot[bot] in #4488
* Automatic cargo update to 2025-12-01 by @github-actions[bot] in #4491
* Bump tests/perf/s2n-quic from `25d7f4e` to `77f104c` by @dependabot[bot] in #4492
* Automatic cargo update to 2025-12-08 by @github-actions[bot] in #4493
* Bump tests/perf/s2n-quic from `77f104c` to `1ac1364` by @dependabot[bot] in #4494
* docs: Correct `default-unwind` Cargo.toml examples by @hashcatHitman in #4496
* Automatic cargo update to 2025-12-15 by @github-actions[bot] in #4497
* Bump peter-evans/create-pull-request from 7 to 8 by @dependabot[bot] in #4498
* Bump actions/download-artifact from 6 to 7 by @dependabot[bot] in #4499
* Bump tests/perf/s2n-quic from `1ac1364` to `8445d10` by @dependabot[bot] in #4500
* Bump mdbook version by @zhassan-aws in #4503
* Bump tests/perf/s2n-quic from `8445d10` to `112439c` by @dependabot[bot] in #4502
* Automatic cargo update to 2025-12-22 by @github-actions[bot] in #4501
* Bump tests/perf/s2n-quic from `112439c` to `dce0a3c` by @dependabot[bot] in #4506
* Automatic cargo update to 2025-12-29 by @github-actions[bot] in #4505
* Automatic cargo update to 2026-01-05 by @github-actions[bot] in #4508
* Add a section with recommended setup for Rust Analyzer by @zhassan-aws in #4504
* Automatic cargo update to 2026-01-12 by @github-actions[bot] in #4509
* Bump tests/perf/s2n-quic from `dce0a3c` to `058783f` by @dependabot[bot] in #4510
* Upgrade Rust toolchain to 2025-11-21 by @tautschnig in #4486
## New Contributors
* @hashcatHitman made their first contribution in #4496
**Full Changelog**: kani-0.66.0...kani-0.67.0
```
By submitting this pull request, I confirm that my contribution is made
under the terms of the Apache 2.0 and MIT licenses.
---------
Co-authored-by: Michael Tautschnig <mt@debian.org>
Sign up for freeto join this conversation on GitHub.
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Spurious / Impossible failures with? structs containing arrays of size 64 or less?

Spurious failure for enum with array data


2 participants

@tautschnig@feliperodri

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Skip to content
Arrays with more than 64 elements no longer cause spurious failures - #4470
Merged
feliperodri merged 1 commit into
model-checking:mainfrom 
tautschnig:2416-is-resolved
Nov 12, 2025
Merged
Arrays with more than 64 elements no longer cause spurious failures#4470
feliperodri merged 1 commit into
model-checking:mainfrom 
tautschnig:2416-is-resolved
Conversation
@tautschnig
@tautschnigtautschnig
commented
Nov 12, 2025

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With #4448 merged (upgrade to CBMC 6.8.0) we have the necessary fix in place to avoid spurious failures with arrays that have more than 64 elements.
Resolves: #2416
Resolves: #4408
By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 and MIT licenses.
@tautschnig
Arrays with more than 64 elements no longer cause spurious failures
cad14b7
With model-checking#4448 merged (upgrade to CBMC 6.8.0) we have the necessary fix in
place to avoid spurious failures with arrays that have more than 64
elements.
Resolves: model-checking#2416Resolves: model-checking#4408
@tautschnig
tautschnig
requested a review
from a team
as a code ownerNovember 12, 2025 11:32
@feliperodri
feliperodri
added this pull request to the merge queueNov 12, 2025

Merged
via the queue into
model-checking:main
with commit af70d99Nov 12, 2025

33 checks passed

github-merge-queueBot
pushed a commit
that referenced
this pull request
Jan 15, 2026
@zhassan-aws@tautschnig
Bump Kani version (#4511)
4feaaad
0.67.0 Kani release
Raw release notes:
```
## What's Changed
* Upgrade Rust toolchain to 2025-11-06 by @tautschnig in #4451
* Upgrade Rust toolchain to 2025-11-07 by @tautschnig in #4454
* Automatic toolchain upgrade to nightly-2025-11-08 by @github-actions[bot] in #4456
* Automatic toolchain upgrade to nightly-2025-11-09 by @github-actions[bot] in #4457
* Automatic cargo update to 2025-11-10 by @github-actions[bot] in #4459
* Gracefully fail when compiling structs with too large array by @tautschnig in #4461
* Upgrade Rust toolchain to 2025-11-10 by @tautschnig in #4460
* Bump tests/perf/s2n-quic from `e726f08` to `cf77e2b` by @dependabot[bot] in #4462
* Automatic toolchain upgrade to nightly-2025-11-11 by @github-actions[bot] in #4463
* fix: Make kani attribute nameres work with generic args having `::` by @ShoyuVanilla in #4427
* NixOS: patch binaries if the dynamic linker is a stub by @GrigorenkoPV in #4413
* Update charon submodule by 15 commits by @tautschnig in #4464
* Arrays with more than 64 elements no longer cause spurious failures by @tautschnig in #4470
* Upgrade Rust toolchain to 2025-11-12 by @tautschnig in #4469
* Upgrade Rust toolchain to 2025-11-13 by @tautschnig in #4473
* Automatic cargo update to 2025-11-17 by @github-actions[bot] in #4476
* Upgrade Rust toolchain to 2025-11-16 by @tautschnig in #4477
* Automatic toolchain upgrade to nightly-2025-11-18 by @github-actions[bot] in #4478
* Upgrade Rust toolchain to 2025-11-19 by @tautschnig in #4482
* Automatic toolchain upgrade to nightly-2025-11-20 by @github-actions[bot] in #4483
* Automatic cargo update to 2025-11-24 by @github-actions[bot] in #4487
* Bump tests/perf/s2n-quic from `cf77e2b` to `25d7f4e` by @dependabot[bot] in #4489
* Bump actions/checkout from 5 to 6 by @dependabot[bot] in #4488
* Automatic cargo update to 2025-12-01 by @github-actions[bot] in #4491
* Bump tests/perf/s2n-quic from `25d7f4e` to `77f104c` by @dependabot[bot] in #4492
* Automatic cargo update to 2025-12-08 by @github-actions[bot] in #4493
* Bump tests/perf/s2n-quic from `77f104c` to `1ac1364` by @dependabot[bot] in #4494
* docs: Correct `default-unwind` Cargo.toml examples by @hashcatHitman in #4496
* Automatic cargo update to 2025-12-15 by @github-actions[bot] in #4497
* Bump peter-evans/create-pull-request from 7 to 8 by @dependabot[bot] in #4498
* Bump actions/download-artifact from 6 to 7 by @dependabot[bot] in #4499
* Bump tests/perf/s2n-quic from `1ac1364` to `8445d10` by @dependabot[bot] in #4500
* Bump mdbook version by @zhassan-aws in #4503
* Bump tests/perf/s2n-quic from `8445d10` to `112439c` by @dependabot[bot] in #4502
* Automatic cargo update to 2025-12-22 by @github-actions[bot] in #4501
* Bump tests/perf/s2n-quic from `112439c` to `dce0a3c` by @dependabot[bot] in #4506
* Automatic cargo update to 2025-12-29 by @github-actions[bot] in #4505
* Automatic cargo update to 2026-01-05 by @github-actions[bot] in #4508
* Add a section with recommended setup for Rust Analyzer by @zhassan-aws in #4504
* Automatic cargo update to 2026-01-12 by @github-actions[bot] in #4509
* Bump tests/perf/s2n-quic from `dce0a3c` to `058783f` by @dependabot[bot] in #4510
* Upgrade Rust toolchain to 2025-11-21 by @tautschnig in #4486
## New Contributors
* @hashcatHitman made their first contribution in #4496
**Full Changelog**: kani-0.66.0...kani-0.67.0
```
By submitting this pull request, I confirm that my contribution is made
under the terms of the Apache 2.0 and MIT licenses.
---------
Co-authored-by: Michael Tautschnig <mt@debian.org>
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Spurious / Impossible failures with? structs containing arrays of size 64 or less?

Spurious failure for enum with array data


2 participants

@tautschnig@feliperodri

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Strip utm_, fbclid, gclid, etc. from all links on page
(function() {
var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',
'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',
'ref', 'ref_src', 'source', 'medium', 'campaign'];
function cleanUrl(url) {
try {
var u = new URL(url, window.location.origin);
var changed = false;
trackingParams.forEach(function(p) {
if (u.searchParams.has(p)) {
u.searchParams.delete(p);
changed = true;
}
});
return changed ? u.toString() : url;
} catch (e) {
return url;
}
}
function cleanLinks() {
document.querySelectorAll('a[href]').forEach(function(a) {
var clean = cleanUrl(a.href);
if (clean !== a.href) a.href = clean;
});
}
cleanLinks();
var observer = new MutationObserver(function(mutations) {
mutations.forEach(function(m) {
m.addedNodes.forEach(function(node) {
if (node.nodeType === 1) {
if (node.tagName === 'A') cleanLinks();
node.querySelectorAll('a[href]').forEach(function(a) {
var clean = cleanUrl(a.href);
if (clean !== a.href) a.href = clean;
});
}
});
});
});
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '

Skip to content
Arrays with more than 64 elements no longer cause spurious failures - #4470
Merged
feliperodri merged 1 commit into
model-checking:mainfrom 
tautschnig:2416-is-resolved
Nov 12, 2025
Merged
Arrays with more than 64 elements no longer cause spurious failures#4470
feliperodri merged 1 commit into
model-checking:mainfrom 
tautschnig:2416-is-resolved
Conversation
@tautschnig
@tautschnigtautschnig
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Nov 12, 2025

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Member
With #4448 merged (upgrade to CBMC 6.8.0) we have the necessary fix in place to avoid spurious failures with arrays that have more than 64 elements.
Resolves: #2416
Resolves: #4408
By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 and MIT licenses.
@tautschnig
Arrays with more than 64 elements no longer cause spurious failures
cad14b7
With model-checking#4448 merged (upgrade to CBMC 6.8.0) we have the necessary fix in
place to avoid spurious failures with arrays that have more than 64
elements.
Resolves: model-checking#2416Resolves: model-checking#4408
@tautschnig
tautschnig
requested a review
from a team
as a code ownerNovember 12, 2025 11:32
@feliperodri
feliperodri
added this pull request to the merge queueNov 12, 2025

Merged
via the queue into
model-checking:main
with commit af70d99Nov 12, 2025

33 checks passed

github-merge-queueBot
pushed a commit
that referenced
this pull request
Jan 15, 2026
@zhassan-aws@tautschnig
Bump Kani version (#4511)
4feaaad
0.67.0 Kani release
Raw release notes:
```
## What's Changed
* Upgrade Rust toolchain to 2025-11-06 by @tautschnig in #4451
* Upgrade Rust toolchain to 2025-11-07 by @tautschnig in #4454
* Automatic toolchain upgrade to nightly-2025-11-08 by @github-actions[bot] in #4456
* Automatic toolchain upgrade to nightly-2025-11-09 by @github-actions[bot] in #4457
* Automatic cargo update to 2025-11-10 by @github-actions[bot] in #4459
* Gracefully fail when compiling structs with too large array by @tautschnig in #4461
* Upgrade Rust toolchain to 2025-11-10 by @tautschnig in #4460
* Bump tests/perf/s2n-quic from `e726f08` to `cf77e2b` by @dependabot[bot] in #4462
* Automatic toolchain upgrade to nightly-2025-11-11 by @github-actions[bot] in #4463
* fix: Make kani attribute nameres work with generic args having `::` by @ShoyuVanilla in #4427
* NixOS: patch binaries if the dynamic linker is a stub by @GrigorenkoPV in #4413
* Update charon submodule by 15 commits by @tautschnig in #4464
* Arrays with more than 64 elements no longer cause spurious failures by @tautschnig in #4470
* Upgrade Rust toolchain to 2025-11-12 by @tautschnig in #4469
* Upgrade Rust toolchain to 2025-11-13 by @tautschnig in #4473
* Automatic cargo update to 2025-11-17 by @github-actions[bot] in #4476
* Upgrade Rust toolchain to 2025-11-16 by @tautschnig in #4477
* Automatic toolchain upgrade to nightly-2025-11-18 by @github-actions[bot] in #4478
* Upgrade Rust toolchain to 2025-11-19 by @tautschnig in #4482
* Automatic toolchain upgrade to nightly-2025-11-20 by @github-actions[bot] in #4483
* Automatic cargo update to 2025-11-24 by @github-actions[bot] in #4487
* Bump tests/perf/s2n-quic from `cf77e2b` to `25d7f4e` by @dependabot[bot] in #4489
* Bump actions/checkout from 5 to 6 by @dependabot[bot] in #4488
* Automatic cargo update to 2025-12-01 by @github-actions[bot] in #4491
* Bump tests/perf/s2n-quic from `25d7f4e` to `77f104c` by @dependabot[bot] in #4492
* Automatic cargo update to 2025-12-08 by @github-actions[bot] in #4493
* Bump tests/perf/s2n-quic from `77f104c` to `1ac1364` by @dependabot[bot] in #4494
* docs: Correct `default-unwind` Cargo.toml examples by @hashcatHitman in #4496
* Automatic cargo update to 2025-12-15 by @github-actions[bot] in #4497
* Bump peter-evans/create-pull-request from 7 to 8 by @dependabot[bot] in #4498
* Bump actions/download-artifact from 6 to 7 by @dependabot[bot] in #4499
* Bump tests/perf/s2n-quic from `1ac1364` to `8445d10` by @dependabot[bot] in #4500
* Bump mdbook version by @zhassan-aws in #4503
* Bump tests/perf/s2n-quic from `8445d10` to `112439c` by @dependabot[bot] in #4502
* Automatic cargo update to 2025-12-22 by @github-actions[bot] in #4501
* Bump tests/perf/s2n-quic from `112439c` to `dce0a3c` by @dependabot[bot] in #4506
* Automatic cargo update to 2025-12-29 by @github-actions[bot] in #4505
* Automatic cargo update to 2026-01-05 by @github-actions[bot] in #4508
* Add a section with recommended setup for Rust Analyzer by @zhassan-aws in #4504
* Automatic cargo update to 2026-01-12 by @github-actions[bot] in #4509
* Bump tests/perf/s2n-quic from `dce0a3c` to `058783f` by @dependabot[bot] in #4510
* Upgrade Rust toolchain to 2025-11-21 by @tautschnig in #4486
## New Contributors
* @hashcatHitman made their first contribution in #4496
**Full Changelog**: kani-0.66.0...kani-0.67.0
```
By submitting this pull request, I confirm that my contribution is made
under the terms of the Apache 2.0 and MIT licenses.
---------
Co-authored-by: Michael Tautschnig <mt@debian.org>
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Spurious / Impossible failures with? structs containing arrays of size 64 or less?

Spurious failure for enum with array data


2 participants

@tautschnig@feliperodri

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Auto-enable theater mode on YouTube
(function() {
function tryTheater() {
var btn = document.querySelector('button[aria-label="Theater mode"], ytd-player #player button[title="Theater mode"]');
if (btn && !btn.classList.contains('activated')) {
btn.click();
}
}
// Try immediately
tryTheater();
// Try after navigation (SPA)
var lastUrl = location.href;
setInterval(function() {
if (location.href !== lastUrl) {
lastUrl = location.href;
setTimeout(tryTheater, 500);
}
}, 1000);
// Also try on player load
var observer = new MutationObserver(tryTheater);
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
Arrays with more than 64 elements no longer cause spurious failures - #4470
Merged
feliperodri merged 1 commit into
model-checking:mainfrom 
tautschnig:2416-is-resolved
Nov 12, 2025
Merged
Arrays with more than 64 elements no longer cause spurious failures#4470
feliperodri merged 1 commit into
model-checking:mainfrom 
tautschnig:2416-is-resolved
Conversation
@tautschnig
@tautschnigtautschnig
commented
Nov 12, 2025

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Member
With #4448 merged (upgrade to CBMC 6.8.0) we have the necessary fix in place to avoid spurious failures with arrays that have more than 64 elements.
Resolves: #2416
Resolves: #4408
By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 and MIT licenses.
@tautschnig
Arrays with more than 64 elements no longer cause spurious failures
cad14b7
With model-checking#4448 merged (upgrade to CBMC 6.8.0) we have the necessary fix in
place to avoid spurious failures with arrays that have more than 64
elements.
Resolves: model-checking#2416Resolves: model-checking#4408
@tautschnig
tautschnig
requested a review
from a team
as a code ownerNovember 12, 2025 11:32
@feliperodri
feliperodri
added this pull request to the merge queueNov 12, 2025

Merged
via the queue into
model-checking:main
with commit af70d99Nov 12, 2025

33 checks passed

github-merge-queueBot
pushed a commit
that referenced
this pull request
Jan 15, 2026
@zhassan-aws@tautschnig
Bump Kani version (#4511)
4feaaad
0.67.0 Kani release
Raw release notes:
```
## What's Changed
* Upgrade Rust toolchain to 2025-11-06 by @tautschnig in #4451
* Upgrade Rust toolchain to 2025-11-07 by @tautschnig in #4454
* Automatic toolchain upgrade to nightly-2025-11-08 by @github-actions[bot] in #4456
* Automatic toolchain upgrade to nightly-2025-11-09 by @github-actions[bot] in #4457
* Automatic cargo update to 2025-11-10 by @github-actions[bot] in #4459
* Gracefully fail when compiling structs with too large array by @tautschnig in #4461
* Upgrade Rust toolchain to 2025-11-10 by @tautschnig in #4460
* Bump tests/perf/s2n-quic from `e726f08` to `cf77e2b` by @dependabot[bot] in #4462
* Automatic toolchain upgrade to nightly-2025-11-11 by @github-actions[bot] in #4463
* fix: Make kani attribute nameres work with generic args having `::` by @ShoyuVanilla in #4427
* NixOS: patch binaries if the dynamic linker is a stub by @GrigorenkoPV in #4413
* Update charon submodule by 15 commits by @tautschnig in #4464
* Arrays with more than 64 elements no longer cause spurious failures by @tautschnig in #4470
* Upgrade Rust toolchain to 2025-11-12 by @tautschnig in #4469
* Upgrade Rust toolchain to 2025-11-13 by @tautschnig in #4473
* Automatic cargo update to 2025-11-17 by @github-actions[bot] in #4476
* Upgrade Rust toolchain to 2025-11-16 by @tautschnig in #4477
* Automatic toolchain upgrade to nightly-2025-11-18 by @github-actions[bot] in #4478
* Upgrade Rust toolchain to 2025-11-19 by @tautschnig in #4482
* Automatic toolchain upgrade to nightly-2025-11-20 by @github-actions[bot] in #4483
* Automatic cargo update to 2025-11-24 by @github-actions[bot] in #4487
* Bump tests/perf/s2n-quic from `cf77e2b` to `25d7f4e` by @dependabot[bot] in #4489
* Bump actions/checkout from 5 to 6 by @dependabot[bot] in #4488
* Automatic cargo update to 2025-12-01 by @github-actions[bot] in #4491
* Bump tests/perf/s2n-quic from `25d7f4e` to `77f104c` by @dependabot[bot] in #4492
* Automatic cargo update to 2025-12-08 by @github-actions[bot] in #4493
* Bump tests/perf/s2n-quic from `77f104c` to `1ac1364` by @dependabot[bot] in #4494
* docs: Correct `default-unwind` Cargo.toml examples by @hashcatHitman in #4496
* Automatic cargo update to 2025-12-15 by @github-actions[bot] in #4497
* Bump peter-evans/create-pull-request from 7 to 8 by @dependabot[bot] in #4498
* Bump actions/download-artifact from 6 to 7 by @dependabot[bot] in #4499
* Bump tests/perf/s2n-quic from `1ac1364` to `8445d10` by @dependabot[bot] in #4500
* Bump mdbook version by @zhassan-aws in #4503
* Bump tests/perf/s2n-quic from `8445d10` to `112439c` by @dependabot[bot] in #4502
* Automatic cargo update to 2025-12-22 by @github-actions[bot] in #4501
* Bump tests/perf/s2n-quic from `112439c` to `dce0a3c` by @dependabot[bot] in #4506
* Automatic cargo update to 2025-12-29 by @github-actions[bot] in #4505
* Automatic cargo update to 2026-01-05 by @github-actions[bot] in #4508
* Add a section with recommended setup for Rust Analyzer by @zhassan-aws in #4504
* Automatic cargo update to 2026-01-12 by @github-actions[bot] in #4509
* Bump tests/perf/s2n-quic from `dce0a3c` to `058783f` by @dependabot[bot] in #4510
* Upgrade Rust toolchain to 2025-11-21 by @tautschnig in #4486
## New Contributors
* @hashcatHitman made their first contribution in #4496
**Full Changelog**: kani-0.66.0...kani-0.67.0
```
By submitting this pull request, I confirm that my contribution is made
under the terms of the Apache 2.0 and MIT licenses.
---------
Co-authored-by: Michael Tautschnig <mt@debian.org>
Sign up for freeto join this conversation on GitHub.
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Spurious / Impossible failures with? structs containing arrays of size 64 or less?

Spurious failure for enum with array data


2 participants

@tautschnig@feliperodri

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Remove or un-stick sticky/fixed headers that block content
(function() {
function unstick() {
document.querySelectorAll('header, nav, [role="banner"], .header, .navbar, .sticky, .fixed-top, [style*="position: fixed"], [style*="position:sticky"]').forEach(function(el) {
if (el.style.position === 'fixed' || el.style.position === 'sticky' || getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {
el.style.position = 'static';
el.style.top = 'auto';
el.style.zIndex = 'auto';
}
});
}
unstick();
var observer = new MutationObserver(unstick);
observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });
})();
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
Arrays with more than 64 elements no longer cause spurious failures - #4470
Merged
feliperodri merged 1 commit into
model-checking:mainfrom 
tautschnig:2416-is-resolved
Nov 12, 2025
Merged
Arrays with more than 64 elements no longer cause spurious failures#4470
feliperodri merged 1 commit into
model-checking:mainfrom 
tautschnig:2416-is-resolved
Conversation
@tautschnig
@tautschnigtautschnig
commented
Nov 12, 2025

Copy link


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Member
With #4448 merged (upgrade to CBMC 6.8.0) we have the necessary fix in place to avoid spurious failures with arrays that have more than 64 elements.
Resolves: #2416
Resolves: #4408
By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 and MIT licenses.
@tautschnig
Arrays with more than 64 elements no longer cause spurious failures
cad14b7
With model-checking#4448 merged (upgrade to CBMC 6.8.0) we have the necessary fix in
place to avoid spurious failures with arrays that have more than 64
elements.
Resolves: model-checking#2416Resolves: model-checking#4408
@tautschnig
tautschnig
requested a review
from a team
as a code ownerNovember 12, 2025 11:32
@feliperodri
feliperodri
added this pull request to the merge queueNov 12, 2025

Merged
via the queue into
model-checking:main
with commit af70d99Nov 12, 2025

33 checks passed

github-merge-queueBot
pushed a commit
that referenced
this pull request
Jan 15, 2026
@zhassan-aws@tautschnig
Bump Kani version (#4511)
4feaaad
0.67.0 Kani release
Raw release notes:
```
## What's Changed
* Upgrade Rust toolchain to 2025-11-06 by @tautschnig in #4451
* Upgrade Rust toolchain to 2025-11-07 by @tautschnig in #4454
* Automatic toolchain upgrade to nightly-2025-11-08 by @github-actions[bot] in #4456
* Automatic toolchain upgrade to nightly-2025-11-09 by @github-actions[bot] in #4457
* Automatic cargo update to 2025-11-10 by @github-actions[bot] in #4459
* Gracefully fail when compiling structs with too large array by @tautschnig in #4461
* Upgrade Rust toolchain to 2025-11-10 by @tautschnig in #4460
* Bump tests/perf/s2n-quic from `e726f08` to `cf77e2b` by @dependabot[bot] in #4462
* Automatic toolchain upgrade to nightly-2025-11-11 by @github-actions[bot] in #4463
* fix: Make kani attribute nameres work with generic args having `::` by @ShoyuVanilla in #4427
* NixOS: patch binaries if the dynamic linker is a stub by @GrigorenkoPV in #4413
* Update charon submodule by 15 commits by @tautschnig in #4464
* Arrays with more than 64 elements no longer cause spurious failures by @tautschnig in #4470
* Upgrade Rust toolchain to 2025-11-12 by @tautschnig in #4469
* Upgrade Rust toolchain to 2025-11-13 by @tautschnig in #4473
* Automatic cargo update to 2025-11-17 by @github-actions[bot] in #4476
* Upgrade Rust toolchain to 2025-11-16 by @tautschnig in #4477
* Automatic toolchain upgrade to nightly-2025-11-18 by @github-actions[bot] in #4478
* Upgrade Rust toolchain to 2025-11-19 by @tautschnig in #4482
* Automatic toolchain upgrade to nightly-2025-11-20 by @github-actions[bot] in #4483
* Automatic cargo update to 2025-11-24 by @github-actions[bot] in #4487
* Bump tests/perf/s2n-quic from `cf77e2b` to `25d7f4e` by @dependabot[bot] in #4489
* Bump actions/checkout from 5 to 6 by @dependabot[bot] in #4488
* Automatic cargo update to 2025-12-01 by @github-actions[bot] in #4491
* Bump tests/perf/s2n-quic from `25d7f4e` to `77f104c` by @dependabot[bot] in #4492
* Automatic cargo update to 2025-12-08 by @github-actions[bot] in #4493
* Bump tests/perf/s2n-quic from `77f104c` to `1ac1364` by @dependabot[bot] in #4494
* docs: Correct `default-unwind` Cargo.toml examples by @hashcatHitman in #4496
* Automatic cargo update to 2025-12-15 by @github-actions[bot] in #4497
* Bump peter-evans/create-pull-request from 7 to 8 by @dependabot[bot] in #4498
* Bump actions/download-artifact from 6 to 7 by @dependabot[bot] in #4499
* Bump tests/perf/s2n-quic from `1ac1364` to `8445d10` by @dependabot[bot] in #4500
* Bump mdbook version by @zhassan-aws in #4503
* Bump tests/perf/s2n-quic from `8445d10` to `112439c` by @dependabot[bot] in #4502
* Automatic cargo update to 2025-12-22 by @github-actions[bot] in #4501
* Bump tests/perf/s2n-quic from `112439c` to `dce0a3c` by @dependabot[bot] in #4506
* Automatic cargo update to 2025-12-29 by @github-actions[bot] in #4505
* Automatic cargo update to 2026-01-05 by @github-actions[bot] in #4508
* Add a section with recommended setup for Rust Analyzer by @zhassan-aws in #4504
* Automatic cargo update to 2026-01-12 by @github-actions[bot] in #4509
* Bump tests/perf/s2n-quic from `dce0a3c` to `058783f` by @dependabot[bot] in #4510
* Upgrade Rust toolchain to 2025-11-21 by @tautschnig in #4486
## New Contributors
* @hashcatHitman made their first contribution in #4496
**Full Changelog**: kani-0.66.0...kani-0.67.0
```
By submitting this pull request, I confirm that my contribution is made
under the terms of the Apache 2.0 and MIT licenses.
---------
Co-authored-by: Michael Tautschnig <mt@debian.org>
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Spurious / Impossible failures with? structs containing arrays of size 64 or less?

Spurious failure for enum with array data


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@tautschnig@feliperodri

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Arrays with more than 64 elements no longer cause spurious failures - #4470
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feliperodri merged 1 commit into
model-checking:mainfrom 
tautschnig:2416-is-resolved
Nov 12, 2025
Merged
Arrays with more than 64 elements no longer cause spurious failures#4470
feliperodri merged 1 commit into
model-checking:mainfrom 
tautschnig:2416-is-resolved
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@tautschnig
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Nov 12, 2025

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With #4448 merged (upgrade to CBMC 6.8.0) we have the necessary fix in place to avoid spurious failures with arrays that have more than 64 elements.
Resolves: #2416
Resolves: #4408
By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 and MIT licenses.
@tautschnig
Arrays with more than 64 elements no longer cause spurious failures
cad14b7
With model-checking#4448 merged (upgrade to CBMC 6.8.0) we have the necessary fix in
place to avoid spurious failures with arrays that have more than 64
elements.
Resolves: model-checking#2416Resolves: model-checking#4408
@tautschnig
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@feliperodri
feliperodri
added this pull request to the merge queueNov 12, 2025

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model-checking:main
with commit af70d99Nov 12, 2025

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Jan 15, 2026
@zhassan-aws@tautschnig
Bump Kani version (#4511)
4feaaad
0.67.0 Kani release
Raw release notes:
```
## What's Changed
* Upgrade Rust toolchain to 2025-11-06 by @tautschnig in #4451
* Upgrade Rust toolchain to 2025-11-07 by @tautschnig in #4454
* Automatic toolchain upgrade to nightly-2025-11-08 by @github-actions[bot] in #4456
* Automatic toolchain upgrade to nightly-2025-11-09 by @github-actions[bot] in #4457
* Automatic cargo update to 2025-11-10 by @github-actions[bot] in #4459
* Gracefully fail when compiling structs with too large array by @tautschnig in #4461
* Upgrade Rust toolchain to 2025-11-10 by @tautschnig in #4460
* Bump tests/perf/s2n-quic from `e726f08` to `cf77e2b` by @dependabot[bot] in #4462
* Automatic toolchain upgrade to nightly-2025-11-11 by @github-actions[bot] in #4463
* fix: Make kani attribute nameres work with generic args having `::` by @ShoyuVanilla in #4427
* NixOS: patch binaries if the dynamic linker is a stub by @GrigorenkoPV in #4413
* Update charon submodule by 15 commits by @tautschnig in #4464
* Arrays with more than 64 elements no longer cause spurious failures by @tautschnig in #4470
* Upgrade Rust toolchain to 2025-11-12 by @tautschnig in #4469
* Upgrade Rust toolchain to 2025-11-13 by @tautschnig in #4473
* Automatic cargo update to 2025-11-17 by @github-actions[bot] in #4476
* Upgrade Rust toolchain to 2025-11-16 by @tautschnig in #4477
* Automatic toolchain upgrade to nightly-2025-11-18 by @github-actions[bot] in #4478
* Upgrade Rust toolchain to 2025-11-19 by @tautschnig in #4482
* Automatic toolchain upgrade to nightly-2025-11-20 by @github-actions[bot] in #4483
* Automatic cargo update to 2025-11-24 by @github-actions[bot] in #4487
* Bump tests/perf/s2n-quic from `cf77e2b` to `25d7f4e` by @dependabot[bot] in #4489
* Bump actions/checkout from 5 to 6 by @dependabot[bot] in #4488
* Automatic cargo update to 2025-12-01 by @github-actions[bot] in #4491
* Bump tests/perf/s2n-quic from `25d7f4e` to `77f104c` by @dependabot[bot] in #4492
* Automatic cargo update to 2025-12-08 by @github-actions[bot] in #4493
* Bump tests/perf/s2n-quic from `77f104c` to `1ac1364` by @dependabot[bot] in #4494
* docs: Correct `default-unwind` Cargo.toml examples by @hashcatHitman in #4496
* Automatic cargo update to 2025-12-15 by @github-actions[bot] in #4497
* Bump peter-evans/create-pull-request from 7 to 8 by @dependabot[bot] in #4498
* Bump actions/download-artifact from 6 to 7 by @dependabot[bot] in #4499
* Bump tests/perf/s2n-quic from `1ac1364` to `8445d10` by @dependabot[bot] in #4500
* Bump mdbook version by @zhassan-aws in #4503
* Bump tests/perf/s2n-quic from `8445d10` to `112439c` by @dependabot[bot] in #4502
* Automatic cargo update to 2025-12-22 by @github-actions[bot] in #4501
* Bump tests/perf/s2n-quic from `112439c` to `dce0a3c` by @dependabot[bot] in #4506
* Automatic cargo update to 2025-12-29 by @github-actions[bot] in #4505
* Automatic cargo update to 2026-01-05 by @github-actions[bot] in #4508
* Add a section with recommended setup for Rust Analyzer by @zhassan-aws in #4504
* Automatic cargo update to 2026-01-12 by @github-actions[bot] in #4509
* Bump tests/perf/s2n-quic from `dce0a3c` to `058783f` by @dependabot[bot] in #4510
* Upgrade Rust toolchain to 2025-11-21 by @tautschnig in #4486
## New Contributors
* @hashcatHitman made their first contribution in #4496
**Full Changelog**: kani-0.66.0...kani-0.67.0
```
By submitting this pull request, I confirm that my contribution is made
under the terms of the Apache 2.0 and MIT licenses.
---------
Co-authored-by: Michael Tautschnig <mt@debian.org>
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@feliperodrifeliperodrifeliperodri approved these changes

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Spurious / Impossible failures with? structs containing arrays of size 64 or less?

Spurious failure for enum with array data


2 participants

@tautschnig@feliperodri