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Fix ICE due to mishandling of Aggregate rvalue for raw pointers to trait objects #3636

Merged
merged 2 commits into from
Oct 23, 2024
Merged

Fix ICE due to mishandling of Aggregate rvalue for raw pointers to trait objects #3636

merged 2 commits into from
Oct 23, 2024

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carolynzech
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@carolynzech carolynzech commented Oct 23, 2024 •
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Add a match arm for the AggregateKind::RawPtr(TyKind::RigidTy(RigidTy::Dynamic(..))) case.
Pointers to trait objects are fat, so generate a fat pointer for the rvalue.

Resolves #3631

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

@github-actions github-actions bot added the Z-BenchCI Tag a PR to run benchmark CI label Oct 23, 2024
@carolynzech carolynzech changed the title Fix issue 3631 Fix ICE due to mishandling of Aggregate rvalue for raw pointers to dyn Trait Oct 23, 2024
@carolynzech carolynzech changed the title Fix ICE due to mishandling of Aggregate rvalue for raw pointers to dyn Trait Fix ICE due to mishandling of Aggregate rvalue for raw pointers to trait objects Oct 23, 2024
@carolynzech carolynzech marked this pull request as ready for review October 23, 2024 16:48
@carolynzech carolynzech requested a review from a team as a code owner October 23, 2024 16:48
celinval
celinval approved these changes Oct 23, 2024
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Interesting... I believe the case above the one you added doesn't cover slices. But thanks for fixing that.

tests/expected/issue-3631/issue-3631.expected Outdated Show resolved Hide resolved
zhassan-aws
zhassan-aws approved these changes Oct 23, 2024
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Thanks @carolynzech!

tests/expected/issue-3631/issue-3631.expected Outdated Show resolved Hide resolved
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tests/expected/issue-3631/issue-3631.rs Outdated Show resolved Hide resolved
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I created #3638 to track the issue I just noticed that is unrelated to this PR. Thanks

@carolynzech carolynzech enabled auto-merge October 23, 2024 18:03
@carolynzech carolynzech added this pull request to the merge queue Oct 23, 2024
Merged via the queue into model-checking:main with commit 325c9e4 Oct 23, 2024
27 checks passed
@carolynzech carolynzech deleted the issue-3631 branch October 23, 2024 19:37
tautschnig added a commit to tautschnig/kani that referenced this pull request Dec 13, 2024
@tautschnig
Bump Kani version to 0.52.0 (model-checking#3224)
6ece0f2 
Updated version in all `Cargo.toml` files (via `find . -name Cargo.toml
-exec sed -i 's/version = "0.56.0"/version = "0.57.0"/' {} \;`) and ran
`cargo build-dev` to have `Cargo.lock` files updated.

GitHub generated release notes:

 ## What's Changed
* Remove the overflow checks for wrapping_offset by @zhassan-aws in model-checking#3589
* `kani-cov`: A coverage tool for Kani by @adpaco-aws in model-checking#3121
* Automatic toolchain upgrade to nightly-2024-10-04 by @github-actions in model-checking#3570
* Automatic toolchain upgrade to nightly-2024-10-05 by @github-actions in model-checking#3591
* Automatic toolchain upgrade to nightly-2024-10-06 by @github-actions in model-checking#3592
* Exclude Charon from workspace by @zhassan-aws in model-checking#3580
* Support fully-qualified --package arguments by @celinval in model-checking#3593
* Automatic toolchain upgrade to nightly-2024-10-07 by @github-actions in model-checking#3595
* Automatic toolchain upgrade to nightly-2024-10-08 by @github-actions in model-checking#3597
* Automatic cargo update to 2024-10-14 by @github-actions in model-checking#3598
* Bump tests/perf/s2n-quic from `17171ec` to `7752afb` by @dependabot in model-checking#3601
* Automatic toolchain upgrade to nightly-2024-10-09 by @github-actions in model-checking#3600
* Automatic toolchain upgrade to nightly-2024-10-10 by @github-actions in model-checking#3602
* Automatic toolchain upgrade to nightly-2024-10-11 by @github-actions in model-checking#3603
* Loop Contracts Annotation for While-Loop by @qinheping in model-checking#3151
* Automatic toolchain upgrade to nightly-2024-10-12 by @github-actions in model-checking#3604
* Update toolchain to 2024-10-15 by @zhassan-aws in model-checking#3605
* Automatic toolchain upgrade to nightly-2024-10-16 by @github-actions in model-checking#3607
* Implement proper function pointer handling for validity checks by @celinval in model-checking#3606
* Update toolchain to 2024-10-17 by @zhassan-aws in model-checking#3610
* Add fn that checks pointers point to same allocation by @celinval in model-checking#3583
* Automatic toolchain upgrade to nightly-2024-10-18 by @github-actions in model-checking#3613
* [aeneas] Preserve variable names by @zhassan-aws in model-checking#3560
* [Breaking change] Make `kani::check` private by @celinval in model-checking#3614
* Emit an error when proof_for_contract function is not found by @zhassan-aws in model-checking#3609
* Automatic toolchain upgrade to nightly-2024-10-19 by @github-actions in model-checking#3617
* Automatic toolchain upgrade to nightly-2024-10-20 by @github-actions in model-checking#3619
* Update test small_slice_eq by @qinheping in model-checking#3618
* Automatic toolchain upgrade to nightly-2024-10-21 by @github-actions in model-checking#3621
* Automatic cargo update to 2024-10-21 by @github-actions in model-checking#3622
* Bump tests/perf/s2n-quic from `7752afb` to `cd0314b` by @dependabot in model-checking#3625
* Update coverage flag in docs by @zhassan-aws in model-checking#3626
* Automatic toolchain upgrade to nightly-2024-10-22 by @github-actions in model-checking#3628
* Automatic toolchain upgrade to nightly-2024-10-23 by @github-actions in model-checking#3635
* Remove dead Option layer from run_piped by @zhassan-aws in model-checking#3634
* Add `free(0)` to codegen of loop contracts by @qinheping in model-checking#3637
* [Lean] Rename user-facing options from Aeneas to Lean by @zhassan-aws in model-checking#3630
* Fix ICE due to mishandling of Aggregate rvalue for raw pointers to trait objects by @carolynzech in model-checking#3636
* Automatic toolchain upgrade to nightly-2024-10-24 by @github-actions in model-checking#3639
* Add regular & fixme tests for function contracts by @celinval in model-checking#3371
* Call `goto-instrument` with `DFCC` only once by @qinheping in model-checking#3642
* Build and include `kani-cov` in the bundle by @adpaco-aws in model-checking#3641
* Fix loop contracts transformation when loops in branching by @qinheping in model-checking#3640
* Update toolchain to 10/25 by @carolynzech in model-checking#3648
* Automatic toolchain upgrade to nightly-2024-10-26 by @github-actions in model-checking#3651
* Automatic toolchain upgrade to nightly-2024-10-27 by @github-actions in model-checking#3652
* Bump tests/perf/s2n-quic from `cd0314b` to `ed9db08` by @dependabot in model-checking#3655
* Automatic cargo update to 2024-10-28 by @github-actions in model-checking#3654
* Automatic toolchain upgrade to nightly-2024-10-28 by @github-actions in model-checking#3653
* Reduce the number of object bits for refcell test by @zhassan-aws in model-checking#3656
* Move any_slice_from_array to kani_core by @qinheping in model-checking#3646
* Upgrade toolchain to 2024-10-29 by @zhassan-aws in model-checking#3658
* Add a timeout option by @zhassan-aws in model-checking#3649
* Upgrade toolchain to 2024-10-30 by @tautschnig in model-checking#3661
* Upgrade Rust toolchain to 2024-10-31 by @zhassan-aws in model-checking#3668
* Upgrade toolchain to 2024-11-01 by @tautschnig in model-checking#3671
* Automatic toolchain upgrade to nightly-2024-11-02 by @github-actions in model-checking#3673
* Implement `Arbitrary` for `Range*` by @c410-f3r in model-checking#3666
* Automatic toolchain upgrade to nightly-2024-11-03 by @github-actions in model-checking#3674
* codegen: Ask the layout if it is uninhabited, not its impl detail by @workingjubilee in model-checking#3675
* Automatic cargo update to 2024-11-04 by @github-actions in model-checking#3677
* Bump tests/perf/s2n-quic from `192de7d` to `65d55a4` by @dependabot in model-checking#3678
* Update dependencies following Audit workflow failure. by @remi-delmas-3000 in model-checking#3680
* Harness output individual files by @Alexander-Aghili in model-checking#3360
* Update Charon submodule to 2024-11-04 by @zhassan-aws in model-checking#3686
* Add support for float_to_int_unchecked by @zhassan-aws in model-checking#3660
* Change `same_allocation` to accept wide pointers by @celinval in model-checking#3684
* Automatic upgrade of CBMC from 6.3.1 to 6.4.0 by @github-actions in model-checking#3689
* Derive `Arbitrary` for enums with a single variant by @AlgebraicWolf in model-checking#3692
* Update cbmc-viewer to 3.10 by @remi-delmas-3000 in model-checking#3683
* Apply loop contracts only if there exists some usage by @qinheping in model-checking#3694
* Remove symtab json support by @celinval in model-checking#3695
* Remove CBMC viewer and visualize option by @zhassan-aws in model-checking#3699
* Ignore derivative in Cargo deny by @qinheping in model-checking#3708
* Upgrade Rust toolchain to 2024-11-08 by @zhassan-aws in model-checking#3703
* Automatic cargo update to 2024-11-11 by @github-actions in model-checking#3704
* Update verify-std-check workflow to enable loop contracts by @qinheping in model-checking#3705
* Automatic toolchain upgrade to nightly-2024-11-09 by @github-actions in model-checking#3709
* Bump tests/perf/s2n-quic from `65d55a4` to `cb41b35` by @dependabot in model-checking#3706
* Add support for f16 and f128 in float_to_int_unchecked intrinsic by @zhassan-aws in model-checking#3701
* Upgrade toolchain to nightly-2024-11-11 by @qinheping in model-checking#3710
* Automatic toolchain upgrade to nightly-2024-11-12 by @github-actions in model-checking#3713
* Update charon submodule by @zhassan-aws in model-checking#3716
* Revert "Ignore derivative in Cargo deny" by @qinheping in model-checking#3712
* Upgrade toolchain to nightly-2024-11-13 by @qinheping in model-checking#3715
* Automatic toolchain upgrade to nightly-2024-11-14 by @github-actions in model-checking#3719
* Automatic toolchain upgrade to nightly-2024-11-15 by @github-actions in model-checking#3720
* Fix codegen for rvalue aggregate raw pointer to an adt with slice tail by @carolynzech in model-checking#3644
* Improve Kani handling of function markers by @celinval in model-checking#3718
* Automatic toolchain upgrade to nightly-2024-11-16 by @github-actions in model-checking#3722
* Automatic toolchain upgrade to nightly-2024-11-17 by @github-actions in model-checking#3724
* Automatic cargo update to 2024-11-18 by @github-actions in model-checking#3723
* Bump tests/perf/s2n-quic from `cb41b35` to `4c3ba69` by @dependabot in model-checking#3725
* Automatic toolchain upgrade to nightly-2024-11-18 by @github-actions in model-checking#3727
* Enable contracts for const generic functions by @qinheping in model-checking#3726
* List Subcommand Improvements by @carolynzech in model-checking#3729
* Automatic toolchain upgrade to nightly-2024-11-19 by @github-actions in model-checking#3730
* add support for enum, struct, tuple in llbc backend by @thanhnguyen-aws in model-checking#3721
* Fix issues with how we compute DST size by @celinval in model-checking#3687
* Bump tests/perf/s2n-quic from `4c3ba69` to `c84ba19` by @dependabot in model-checking#3736
* Fix size and alignment computation for intrinsics by @celinval in model-checking#3734
* Automatic cargo update to 2024-11-25 by @github-actions in model-checking#3735
* Cleanup a few internal compiler deps by @celinval in model-checking#3739
* Add a Kani function that checks if the range of a float is valid for conversion to int by @zhassan-aws in model-checking#3742
* Dropping support for Ubuntu 18.04 / AL2. by @thanhnguyen-aws in model-checking#3744
* Update toolchain to nightly-2024-11-26 by @celinval in model-checking#3740
* Automatic upgrade of CBMC from 6.4.0 to 6.4.1 by @github-actions in model-checking#3748
* Automatic cargo update to 2024-12-02 by @github-actions in model-checking#3749
* Update download-artifact, upload-artifact and checkout to v4 by @thanhnguyen-aws in model-checking#3745
* Bump tests/perf/s2n-quic from `c84ba19` to `96d2e22` by @dependabot in model-checking#3750
* Upgrade toolchain to 2024-11-27 by @tautschnig in model-checking#3751
* Upgrade toolchain to 2024-11-28 by @tautschnig in model-checking#3753
* Setup/CI: cleanup Ubuntu 18.04 and cbmc-viewer left-overs and enable 24.04 by @tautschnig in model-checking#3758
* Automatic cargo update to 2024-12-09 by @github-actions in model-checking#3766
* Bump tests/perf/s2n-quic from `96d2e22` to `e4a2365` by @dependabot in model-checking#3767
* Upgrade toolchain to 2024-12-09 by @carolynzech in model-checking#3768
* Add out of bounds check for `offset` intrinsics by @celinval in model-checking#3755
* Upgrade toolchain to 2024-12-12 by @carolynzech in model-checking#3774
* Automatic toolchain upgrade to nightly-2024-12-13 by @github-actions in model-checking#3775

 ## New Contributors
* @c410-f3r made their first contribution in model-checking#3666
* @workingjubilee made their first contribution in model-checking#3675
* @Alexander-Aghili made their first contribution in model-checking#3360
* @AlgebraicWolf made their first contribution in model-checking#3692
* @thanhnguyen-aws made their first contribution in model-checking#3721

**Full Changelog**: model-checking/kani@kani-0.56.0...kani-0.57.0
@tautschnig tautschnig mentioned this pull request Dec 13, 2024
Merged
github-merge-queue bot pushed a commit that referenced this pull request Dec 16, 2024
@tautschnig @zhassan-aws @carolynzech
Bump Kani version to 0.57.0 (#3777)
68f1adb 
Updated version in all `Cargo.toml` files (via `find . -name Cargo.toml
-exec sed -i 's/version = "0.56.0"/version = "0.57.0"/' {} \;`) and ran
`cargo build-dev` to have `Cargo.lock` files updated.

GitHub generated release notes:

 ## What's Changed
* Remove the overflow checks for wrapping_offset by @zhassan-aws in
#3589
* `kani-cov`: A coverage tool for Kani by @adpaco-aws in
#3121
* Automatic toolchain upgrade to nightly-2024-10-04 by @github-actions
in #3570
* Automatic toolchain upgrade to nightly-2024-10-05 by @github-actions
in #3591
* Automatic toolchain upgrade to nightly-2024-10-06 by @github-actions
in #3592
* Exclude Charon from workspace by @zhassan-aws in
#3580
* Support fully-qualified --package arguments by @celinval in
#3593
* Automatic toolchain upgrade to nightly-2024-10-07 by @github-actions
in #3595
* Automatic toolchain upgrade to nightly-2024-10-08 by @github-actions
in #3597
* Automatic cargo update to 2024-10-14 by @github-actions in
#3598
* Bump tests/perf/s2n-quic from `17171ec` to `7752afb` by @dependabot in
#3601
* Automatic toolchain upgrade to nightly-2024-10-09 by @github-actions
in #3600
* Automatic toolchain upgrade to nightly-2024-10-10 by @github-actions
in #3602
* Automatic toolchain upgrade to nightly-2024-10-11 by @github-actions
in #3603
* Loop Contracts Annotation for While-Loop by @qinheping in
#3151
* Automatic toolchain upgrade to nightly-2024-10-12 by @github-actions
in #3604
* Update toolchain to 2024-10-15 by @zhassan-aws in
#3605
* Automatic toolchain upgrade to nightly-2024-10-16 by @github-actions
in #3607
* Implement proper function pointer handling for validity checks by
@celinval in #3606
* Update toolchain to 2024-10-17 by @zhassan-aws in
#3610
* Add fn that checks pointers point to same allocation by @celinval in
#3583
* Automatic toolchain upgrade to nightly-2024-10-18 by @github-actions
in #3613
* [aeneas] Preserve variable names by @zhassan-aws in
#3560
* [Breaking change] Make `kani::check` private by @celinval in
#3614
* Emit an error when proof_for_contract function is not found by
@zhassan-aws in #3609
* Automatic toolchain upgrade to nightly-2024-10-19 by @github-actions
in #3617
* Automatic toolchain upgrade to nightly-2024-10-20 by @github-actions
in #3619
* Update test small_slice_eq by @qinheping in
#3618
* Automatic toolchain upgrade to nightly-2024-10-21 by @github-actions
in #3621
* Automatic cargo update to 2024-10-21 by @github-actions in
#3622
* Bump tests/perf/s2n-quic from `7752afb` to `cd0314b` by @dependabot in
#3625
* Update coverage flag in docs by @zhassan-aws in
#3626
* Automatic toolchain upgrade to nightly-2024-10-22 by @github-actions
in #3628
* Automatic toolchain upgrade to nightly-2024-10-23 by @github-actions
in #3635
* Remove dead Option layer from run_piped by @zhassan-aws in
#3634
* Add `free(0)` to codegen of loop contracts by @qinheping in
#3637
* [Lean] Rename user-facing options from Aeneas to Lean by @zhassan-aws
in #3630
* Fix ICE due to mishandling of Aggregate rvalue for raw pointers to
trait objects by @carolynzech in
#3636
* Automatic toolchain upgrade to nightly-2024-10-24 by @github-actions
in #3639
* Add regular & fixme tests for function contracts by @celinval in
#3371
* Call `goto-instrument` with `DFCC` only once by @qinheping in
#3642
* Build and include `kani-cov` in the bundle by @adpaco-aws in
#3641
* Fix loop contracts transformation when loops in branching by
@qinheping in #3640
* Update toolchain to 10/25 by @carolynzech in
#3648
* Automatic toolchain upgrade to nightly-2024-10-26 by @github-actions
in #3651
* Automatic toolchain upgrade to nightly-2024-10-27 by @github-actions
in #3652
* Bump tests/perf/s2n-quic from `cd0314b` to `ed9db08` by @dependabot in
#3655
* Automatic cargo update to 2024-10-28 by @github-actions in
#3654
* Automatic toolchain upgrade to nightly-2024-10-28 by @github-actions
in #3653
* Reduce the number of object bits for refcell test by @zhassan-aws in
#3656
* Move any_slice_from_array to kani_core by @qinheping in
#3646
* Upgrade toolchain to 2024-10-29 by @zhassan-aws in
#3658
* Add a timeout option by @zhassan-aws in
#3649
* Upgrade toolchain to 2024-10-30 by @tautschnig in
#3661
* Upgrade Rust toolchain to 2024-10-31 by @zhassan-aws in
#3668
* Upgrade toolchain to 2024-11-01 by @tautschnig in
#3671
* Automatic toolchain upgrade to nightly-2024-11-02 by @github-actions
in #3673
* Implement `Arbitrary` for `Range*` by @c410-f3r in
#3666
* Automatic toolchain upgrade to nightly-2024-11-03 by @github-actions
in #3674
* codegen: Ask the layout if it is uninhabited, not its impl detail by
@workingjubilee in #3675
* Automatic cargo update to 2024-11-04 by @github-actions in
#3677
* Bump tests/perf/s2n-quic from `192de7d` to `65d55a4` by @dependabot in
#3678
* Update dependencies following Audit workflow failure. by
@remi-delmas-3000 in #3680
* Harness output individual files by @Alexander-Aghili in
#3360
* Update Charon submodule to 2024-11-04 by @zhassan-aws in
#3686
* Add support for float_to_int_unchecked by @zhassan-aws in
#3660
* Change `same_allocation` to accept wide pointers by @celinval in
#3684
* Automatic upgrade of CBMC from 6.3.1 to 6.4.0 by @github-actions in
#3689
* Derive `Arbitrary` for enums with a single variant by @AlgebraicWolf
in #3692
* Update cbmc-viewer to 3.10 by @remi-delmas-3000 in
#3683
* Apply loop contracts only if there exists some usage by @qinheping in
#3694
* Remove symtab json support by @celinval in
#3695
* Remove CBMC viewer and visualize option by @zhassan-aws in
#3699
* Ignore derivative in Cargo deny by @qinheping in
#3708
* Upgrade Rust toolchain to 2024-11-08 by @zhassan-aws in
#3703
* Automatic cargo update to 2024-11-11 by @github-actions in
#3704
* Update verify-std-check workflow to enable loop contracts by
@qinheping in #3705
* Automatic toolchain upgrade to nightly-2024-11-09 by @github-actions
in #3709
* Bump tests/perf/s2n-quic from `65d55a4` to `cb41b35` by @dependabot in
#3706
* Add support for f16 and f128 in float_to_int_unchecked intrinsic by
@zhassan-aws in #3701
* Upgrade toolchain to nightly-2024-11-11 by @qinheping in
#3710
* Automatic toolchain upgrade to nightly-2024-11-12 by @github-actions
in #3713
* Update charon submodule by @zhassan-aws in
#3716
* Revert "Ignore derivative in Cargo deny" by @qinheping in
#3712
* Upgrade toolchain to nightly-2024-11-13 by @qinheping in
#3715
* Automatic toolchain upgrade to nightly-2024-11-14 by @github-actions
in #3719
* Automatic toolchain upgrade to nightly-2024-11-15 by @github-actions
in #3720
* Fix codegen for rvalue aggregate raw pointer to an adt with slice tail
by @carolynzech in #3644
* Improve Kani handling of function markers by @celinval in
#3718
* Automatic toolchain upgrade to nightly-2024-11-16 by @github-actions
in #3722
* Automatic toolchain upgrade to nightly-2024-11-17 by @github-actions
in #3724
* Automatic cargo update to 2024-11-18 by @github-actions in
#3723
* Bump tests/perf/s2n-quic from `cb41b35` to `4c3ba69` by @dependabot in
#3725
* Automatic toolchain upgrade to nightly-2024-11-18 by @github-actions
in #3727
* Enable contracts for const generic functions by @qinheping in
#3726
* List Subcommand Improvements by @carolynzech in
#3729
* Automatic toolchain upgrade to nightly-2024-11-19 by @github-actions
in #3730
* add support for enum, struct, tuple in llbc backend by
@thanhnguyen-aws in #3721
* Fix issues with how we compute DST size by @celinval in
#3687
* Bump tests/perf/s2n-quic from `4c3ba69` to `c84ba19` by @dependabot in
#3736
* Fix size and alignment computation for intrinsics by @celinval in
#3734
* Automatic cargo update to 2024-11-25 by @github-actions in
#3735
* Cleanup a few internal compiler deps by @celinval in
#3739
* Add a Kani function that checks if the range of a float is valid for
conversion to int by @zhassan-aws in
#3742
* Dropping support for Ubuntu 18.04 / AL2. by @thanhnguyen-aws in
#3744
* Update toolchain to nightly-2024-11-26 by @celinval in
#3740
* Automatic upgrade of CBMC from 6.4.0 to 6.4.1 by @github-actions in
#3748
* Automatic cargo update to 2024-12-02 by @github-actions in
#3749
* Update download-artifact, upload-artifact and checkout to v4 by
@thanhnguyen-aws in #3745
* Bump tests/perf/s2n-quic from `c84ba19` to `96d2e22` by @dependabot in
#3750
* Upgrade toolchain to 2024-11-27 by @tautschnig in
#3751
* Upgrade toolchain to 2024-11-28 by @tautschnig in
#3753
* Setup/CI: cleanup Ubuntu 18.04 and cbmc-viewer left-overs and enable
24.04 by @tautschnig in #3758
* Automatic cargo update to 2024-12-09 by @github-actions in
#3766
* Bump tests/perf/s2n-quic from `96d2e22` to `e4a2365` by @dependabot in
#3767
* Upgrade toolchain to 2024-12-09 by @carolynzech in
#3768
* Add out of bounds check for `offset` intrinsics by @celinval in
#3755
* Upgrade toolchain to 2024-12-12 by @carolynzech in
#3774
* Automatic toolchain upgrade to nightly-2024-12-13 by @github-actions
in #3775

 ## New Contributors
* @c410-f3r made their first contribution in
#3666
* @workingjubilee made their first contribution in
#3675
* @Alexander-Aghili made their first contribution in
#3360
* @AlgebraicWolf made their first contribution in
#3692
* @thanhnguyen-aws made their first contribution in
#3721

**Full Changelog**:
kani-0.56.0...kani-0.57.0

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: Zyad Hassan <88045115+zhassan-aws@users.noreply.github.com>
Co-authored-by: Carolyn Zech <cmzech@amazon.com>
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@zhassan-aws zhassan-aws zhassan-aws approved these changes

@celinval celinval celinval approved these changes

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Unexpected kani panic: assign statement with unequal types
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