runtimeverification/k

View on GitHub

K Framework Tools 7.0

Stars: 591
Forks: 163
Open beginner issues: 0
Indexed issues: 308

Dominant language: Python
License: BSD-3-Clause
Last GitHub push: Jun 18, 2026
Latest indexed: Sep 21, 2026
Contributing guide: Contributing guide
Code of conduct: No code of conduct
Beginner labels: No beginner labels indexed
PR merge metrics: No merged PRs in 30d

Beginner friendly Everything

Open All

308 open issues indexed

Introduce composable symbolic execution interface in pyx Open

runtimeverification/k#4939 · 1 assignee · Opened Jun 24, 2026
Concolic Explorer Open

Difficulty 5/5 Over a week Newbie friendliness 32/100

runtimeverification/k#4937 · Opened Jun 18, 2026
All-path reachability proof checker Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

runtimeverification/k#4936 · Opened Jun 18, 2026
Accelerating all-path reachability proofs with one-path reachability proofs Open

type:epic

runtimeverification/k#4934 · 4 comments · 1 assignee · Opened Jun 15, 2026
Support progressive depth halving as a generic policy in `Prover.advance_proof` Open

runtimeverification/k#4924 · 1 assignee · Opened May 29, 2026
non-evaluator attribute requires manual propagation across entire call chain Open

area:haskell-backend area:llvm-backend priority:p2 status:icebox type:feature

Difficulty 5/5 Over a week Newbie friendliness 25/100

runtimeverification/k#4904 · Opened Mar 17, 2026
UX improvements for `section_edge` Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

runtimeverification/k#4897 · Opened Jan 8, 2026
Upgrade github action linter and fix issues Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

runtimeverification/k#4887 · Opened Dec 13, 2025
Kompile error on MacOS Sequoia 15.7.1 Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

runtimeverification/k#4872 · Opened Oct 18, 2025
[K-Bug] Kompile silently allows files with the same name to exist in multiple include directories Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

runtimeverification/k#4847 · Opened Jul 31, 2025
[Build Fail] for 6659639 Open

Difficulty 4/5 3-5 days Newbie friendliness 20/100

runtimeverification/k#4806 · Opened May 5, 2025
Automation analysis Open

Difficulty 5/5 Over a week Newbie friendliness 15/100

runtimeverification/k#4791 · Opened Apr 8, 2025
[DevOps] Investigate MacOs Build from Source in K pipeline (backends & downstream) Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

runtimeverification/k#4786 · 1 comment · Opened Apr 3, 2025
Add `preserves-definedness` to attributes recognized by pyk Open

runtimeverification/k#4784 · 1 assignee · Opened Apr 2, 2025
[K-Bug] LLVM Backend crash when comparing MInt Open

runtimeverification/k#4760 · 1 assignee · Opened Mar 3, 2025
Eliminate `Option` from `total` function result types Open

lean4-backend

Difficulty 5/5 Over a week Newbie friendliness 35/100

runtimeverification/k#4756 · Opened Feb 12, 2025
Remove `do` blocks from generated Lean code when possible Open

lean4-backend

Difficulty 4/5 3-5 days Newbie friendliness 38/100

runtimeverification/k#4755 · Opened Feb 12, 2025
Support `unsafe` for `to_module` Open

bug kast

runtimeverification/k#4754 · 1 assignee · Opened Feb 10, 2025
Unify definedness binders for function applications Open

lean4-backend

Difficulty 4/5 3-5 days Newbie friendliness 35/100

runtimeverification/k#4752 · Opened Feb 4, 2025
Format Lean 4 generated code Open

lean4-backend

Difficulty 4/5 3-5 days Newbie friendliness 25/100

runtimeverification/k#4747 · 1 comment · Opened Jan 24, 2025
Lean 4 backend improvements Open

lean4-backend

Difficulty 5/5 Over a week Newbie friendliness 20/100

runtimeverification/k#4743 · Opened Jan 21, 2025
Cosmetic changes for the Lean 4 translation Open

lean4-backend

Difficulty 3/5 1-2 days Newbie friendliness 35/100

runtimeverification/k#4730 · Opened Jan 8, 2025
Implement K prelude in Lean 4 Open

lean4-backend

Difficulty 5/5 Over a week Newbie friendliness 25/100

runtimeverification/k#4725 · Opened Jan 8, 2025
Internal: bison returned nonzero exit code: 141, kompile not found Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

runtimeverification/k#4718 · Opened Jan 2, 2025
[K-Bug] NullPointerException when kompiling simple file Open

Difficulty 4/5 3-5 days Newbie friendliness 38/100

runtimeverification/k#4716 · Opened Dec 19, 2024
[K-Bug] Two configuration declarations in a single module produces an unhelpful error message Open

Difficulty 3/5 1-2 days Newbie friendliness 38/100

runtimeverification/k#4705 · 1 comment · Opened Dec 9, 2024
[K-Bug] ConcurrentModificationException while running kompile Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

runtimeverification/k#4703 · Opened Dec 5, 2024
Refactors to konvert and module_to_kore Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

runtimeverification/k#4690 · Opened Nov 21, 2024
[K-Bug] Cannot generate bison parser or glr-bison parser Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

runtimeverification/k#4678 · 1 comment · Opened Oct 31, 2024
[K-Bug] The LLVM backend ignores rule priorities Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

runtimeverification/k#4676 · Opened Oct 25, 2024
A difficult-to-reproduce segmentation fault. Open

bug

Difficulty 5/5 Over a week Newbie friendliness 15/100

runtimeverification/k#4672 · Opened Oct 21, 2024
Improved interpreter error messages for quicker error identification Open

enhancement llvm-backend

Difficulty 5/5 Over a week Newbie friendliness 25/100

runtimeverification/k#4670 · Opened Oct 18, 2024
`kdist` isn't as flexible as makefile Open

enhancement kdist

Difficulty 4/5 3-5 days Newbie friendliness 35/100

runtimeverification/k#4669 · 2 comments · Opened Oct 18, 2024
Improve the performance of `kompile` Open

enhancement incremental-compilation kompile

Difficulty 5/5 Over a week Newbie friendliness 25/100

runtimeverification/k#4668 · 2 comments · Opened Oct 18, 2024
[K-Bug] <pyk coverage runerror> Open

Difficulty 3/5 1-2 days Newbie friendliness 42/100

runtimeverification/k#4664 · Opened Oct 17, 2024
Wrong type annotations in pyk Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

runtimeverification/k#4660 · Opened Oct 13, 2024
Understanding the `bmc-depth` bottleneck Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 35/100

runtimeverification/k#4658 · 1 reaction · Opened Oct 9, 2024
Tips for using K Open

documentation

runtimeverification/k#4655 · 1 assignee · Opened Oct 4, 2024
Cell extraction and substitution in Kore. Open

enhancement pyk

Difficulty 5/5 Over a week Newbie friendliness 15/100

runtimeverification/k#4652 · Opened Oct 2, 2024
How to automatically generate the python bindings from the semantics? Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

runtimeverification/k#4649 · Opened Sep 25, 2024
Polish list lookup patterns Open

enhancement kompile

Difficulty 5/5 Over a week Newbie friendliness 30/100

runtimeverification/k#4640 · Opened Sep 17, 2024
[K-Bug] ClassCastException for #as and cells Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

runtimeverification/k#4638 · Opened Sep 12, 2024
Remove final uses of `run_process` Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

runtimeverification/k#4627 · Opened Sep 6, 2024
[K-Bug] AssertionError for incomplete rule Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

runtimeverification/k#4613 · Opened Aug 30, 2024
[K-Bug] Broken MInt literal parsing Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

runtimeverification/k#4609 · Opened Aug 27, 2024
Automatically verifying the correctness of simplification rules. Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

runtimeverification/k#4604 · 2 comments · Opened Aug 22, 2024
Check that tokens are non-empty after `#Layout` Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

runtimeverification/k#4595 · Opened Aug 20, 2024
[K-Bug] Broken "Non-exhausive match" warning Open

Difficulty 3/5 1-2 days Newbie friendliness 48/100

runtimeverification/k#4587 · Opened Aug 14, 2024
Support for syntactic simplifications Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 35/100

runtimeverification/k#4579 · 21 comments · Opened Aug 8, 2024
[K-Improvement] Metadata attribute Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

runtimeverification/k#4568 · Opened Aug 2, 2024

runtimeverification/k

Get new issues in your inbox