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runtimeverification

9 indexed repositories · View on GitHub

evm-semantics
K Semantics of the Ethereum Virtual Machine (EVM)

KCL · 591 stars
haskell-backend
The symbolic execution engine powering the K Framework

Haskell · 224 stars
kontrol

Python · 122 stars
wasm-semantics
A Formal Semantics of WebAssembly in K

WebAssembly · 106 stars
mir-semantics

Python · 52 stars
llvm-backend
KORE to llvm translation

C++ · 43 stars
komet

WebAssembly · 35 stars
stable-mir-json
KMIR Rust Library

Rust · 11 stars
kernel-rust-verification-spike
Feasibility spike: extracting Linux kernel Rust parsers (Binder) into LLBC via Charon, toward Lean 4 verification

Lean · 3 stars

Beginner friendly Everything

Open All

Support EIP-7918 across BPO/blob-schedule transitions Open

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

runtimeverification/evm-semantics#2879 · Opened Sep 7, 2026
Fix for building with later versions of g++ Open

Difficulty 1/5 Under an hour Newbie friendliness 84/100

runtimeverification/llvm-backend#1221 · 1 comment · Opened Aug 8, 2026
Discharge the opaque size_of axiom: a typeclass model that also makes the sizes checkable Open

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

runtimeverification/kernel-rust-verification-spike#4 · Opened Jul 28, 2026
Avoid `require` clause if the given patterns are known to be concrete Open

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

runtimeverification/evm-semantics#2869 · Opened Jun 24, 2026
The `docker` CI test fails on recent Foundry versions Open

Difficulty 3/5 1-2 days Newbie friendliness 52/100

runtimeverification/kontrol#1142 · Opened May 12, 2026
Inconsistent KMIR versions across project Open

Difficulty 3/5 1-2 days Newbie friendliness 52/100

runtimeverification/mir-semantics#1078 · Opened Apr 24, 2026
New cheatcode: `symbolicStorage` variant that preserves existing storage assignments Open

Difficulty 5/5 Over a week Newbie friendliness 42/100

runtimeverification/kontrol#1138 · Opened Apr 21, 2026
Implement `vm.getStorageSlots` cheatcode Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

runtimeverification/kontrol#1137 · Opened Apr 21, 2026
Decode constant call arguments before storing them in callee locals Open

Difficulty 3/5 1-2 days Newbie friendliness 58/100

runtimeverification/mir-semantics#1070 · 2 comments · Opened Apr 18, 2026
Reloading proof crashes on with `nix` installation Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 58/100

runtimeverification/mir-semantics#1067 · Opened Apr 16, 2026
`kontrol simplify-node --config-profile <profile>` ignores `kontrol.toml` and specified profile Open

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

runtimeverification/kontrol#1134 · 1 comment · Opened Apr 13, 2026
`kontrol simplify-node --lemmas` broken Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

runtimeverification/kontrol#1133 · 4 comments · Opened Apr 13, 2026
Unify #traverseProjection value representation to eliminate singleton Range round-trips Open

area:semantics kind:refactor priority:p1 status:triage type:task

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

runtimeverification/mir-semantics#1011 · 1 comment · Opened Apr 1, 2026
feat: add address allocation model for pointer-to-integer semantics Open

status:ready

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

runtimeverification/mir-semantics#1002 · Opened Mar 26, 2026
Nested transparent wrapper pointer casts produce incorrect projection chains Open

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

runtimeverification/mir-semantics#997 · Opened Mar 20, 2026
No-LLVM-kompile approach causes 5x prove performance regression due to kore-rpc fallback Open

area:semantics kind:perf priority:p2 status:icebox type:bug

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

runtimeverification/mir-semantics#992 · 1 comment · Opened Mar 18, 2026
Inline Ty indices: replace ty(Int) references with actual type data Open

area:semantics area:types priority:p2 status:triage type:feature

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

runtimeverification/mir-semantics#991 · Opened Mar 17, 2026
Node.js 20 CI runner deprecation notice Open

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

runtimeverification/stable-mir-json#148 · Opened Mar 11, 2026
The Curious Case of stdlib: nightly compatibility findings Open

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

runtimeverification/stable-mir-json#141 · Opened Mar 8, 2026
Qualified names for both `IntrinsicSym` and `NormalSym` Open

good first issue

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

runtimeverification/stable-mir-json#137 · 1 comment · Opened Mar 5, 2026
[FEAT] Add performance benchmarking and profiling infrastructure Open

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

runtimeverification/mir-semantics#970 · 3 comments · Opened Mar 4, 2026
Incrementally integrate external Rust test suites into mir-semantics CI Open

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

runtimeverification/mir-semantics#964 · Opened Mar 2, 2026
Surface mutability in graph outputs Open

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

runtimeverification/stable-mir-json#128 · Opened Feb 27, 2026
Remove mutability tracking from MIR semantics Open

runtimeverification/mir-semantics#949 · 1 comment · 1 assignee · Opened Feb 26, 2026
Booster: Optimize KMap internal data structure to improve Map operation performance Open

runtimeverification/haskell-backend#4138 · 9 comments · 1 assignee · Opened Feb 23, 2026
Semantics of iterator core code Open

bug

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

runtimeverification/mir-semantics#914 · Opened Jan 19, 2026
feat: support panic Open

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

runtimeverification/mir-semantics#899 · Opened Dec 17, 2025
Investigate conformance tests running out of memory. Open

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

runtimeverification/evm-semantics#2832 · Opened Dec 16, 2025
Update legacy-tests across test-suites Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

runtimeverification/evm-semantics#2824 · Opened Dec 11, 2025
Better cheatcodes Open

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

runtimeverification/mir-semantics#890 · Opened Dec 10, 2025
[FEAT] Tackle impossible cases with minimal requirements Open

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

runtimeverification/mir-semantics#889 · Opened Dec 10, 2025
Add simplifications for plausible custom overflow criteria Open

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

runtimeverification/mir-semantics#866 · Opened Nov 25, 2025
Fragmentation in `SparseBytes` caused by `replaceAtZ` rule Open

enhancement

Difficulty 2/5 1-3 hours Newbie friendliness 55/100

runtimeverification/wasm-semantics#742 · Opened Nov 24, 2025
Graph Improvements: Headings / Ids for `BasicBlock`s Open

good first issue

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

runtimeverification/stable-mir-json#110 · Opened Nov 23, 2025
Graph Improvements: Removing `lang-start` component from graph Open

good first issue

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

runtimeverification/stable-mir-json#109 · Opened Nov 23, 2025
Graph Improvements: Mutability specifiers on locals Open

good first issue

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

runtimeverification/stable-mir-json#108 · Opened Nov 23, 2025
[MAIN] Graph Improvements Open

good first issue

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

runtimeverification/stable-mir-json#106 · 1 comment · 1 reaction · Opened Nov 23, 2025
Decoding failing for enum with negative discriminant type Open

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

runtimeverification/mir-semantics#848 · Opened Nov 15, 2025
[BUG] ndbranches in exec-smir/pointers/pointer-cast-zst.rs Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

runtimeverification/mir-semantics#841 · Opened Nov 13, 2025
[FEAT] General symbolic data approach Open

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

runtimeverification/mir-semantics#832 · Opened Nov 11, 2025
[BUG] ndbranches in interior-mut3-fail.main.expected Open

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

runtimeverification/mir-semantics#831 · 1 comment · Opened Nov 11, 2025
Compilation of Unreduced Semantics Sometimes Fails Open

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

runtimeverification/mir-semantics#829 · Opened Nov 11, 2025
[BUG] thunk ( #decodeConstant ( constantKindZeroSized Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

runtimeverification/mir-semantics#825 · 1 comment · Opened Nov 10, 2025
[TEST] More tests fior zero-sized data Open

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

runtimeverification/mir-semantics#823 · Opened Nov 10, 2025
Collection of failing rust programs Open

bug

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

runtimeverification/mir-semantics#814 · Opened Nov 7, 2025
Incorrect handling of `drop` for `RefCell` (borrow flag modified during drop) Open

bug

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

runtimeverification/mir-semantics#807 · Opened Nov 7, 2025
Add `--target-dir` option for `prove-rs`, do not reduce `smir.json` Open

runtimeverification/mir-semantics#803 · 1 assignee · Opened Nov 6, 2025
(How to) Determine bit width and signedness for `Int` values from `Discriminant` Open

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

runtimeverification/mir-semantics#793 · Opened Oct 31, 2025
Constrain test inputs for fuzzing Open

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

runtimeverification/mir-semantics#788 · 6 comments · Opened Oct 30, 2025
Simplify the implementation of `binOpOffset` if possible Open

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

runtimeverification/mir-semantics#771 · Opened Oct 24, 2025

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