# bitwuzla を Homebrew, Nix でインストール

bitwuzla のインストール経路、実行ファイル、メタデータ、AI エージェント向けセキュリティノートを確認します。

## インストール

```sh
sudo av install brew:bitwuzla
```

追加のインストールコマンド:

### macOS

- Homebrew (100%):

```sh
brew install bitwuzla
```

  証拠: local Homebrew formula metadata

### Linux

- Nix (92%):

```sh
nix profile install nixpkgs#bitwuzla
```

  証拠: nixpkgs package indexes: pkgs/by-name/bi/bitwuzla/package.nix from https://api.github.com/repos/NixOS/nixpkgs/git/trees/master?recursive=1

## パッケージ情報

- **パッケージキー:** brew:bitwuzla
- **パッケージマネージャ:** Homebrew
- **バージョン:** 0.9.1
- **ソース概要:** SMT solver for bit-vectors, floating-points, arrays and uninterpreted functions
- **ホームページ:** <https://bitwuzla.github.io>
- **リポジトリ:** <https://github.com/bitwuzla/bitwuzla>
- **最終更新:** 2026-05-21T19:21:27Z
- **生成日時:** 2026-08-03T19:37:03+00:00

## 実行可能ファイル

- bitwuzla (エイリアス)

## インストール挙動

- Bottle: 利用不可

## バージョンと鮮度

- ページ生成日: 2026-08-03
- マネージャ版: 0.9.1
## プロジェクトの歴史と使われ方

Bitwuzla is an SMT solver for fixed-size bit-vectors, floating-point arithmetic, arrays, uninterpreted functions, and combinations of those theories. Its name is an Austrian dialect joke meaning someone who tinkers with bits.

For package users, Bitwuzla is not just another CLI: it is a research-grade solver with a stable command-line interface, C/C++/Python APIs, and package-manager availability for reproducible formal-methods workflows.

### プロジェクトの歴史

The Bitwuzla repository was created in 2020, and the project reached a public 0.1.0 release on June 30, 2023. The README asks users to cite the CAV 2023 Bitwuzla system-description paper by Aina Niemetz and Mathias Preiner.

Official documentation describes the command-line tool as supporting SMT-LIBv2 and non-sequential BTOR2 input files. The API documentation covers C++, C, Python, and OCaml documentation surfaces.

The installation docs identify CaDiCaL and SymFPU as required dependencies, with optional solver backends such as Kissat. The CLI exposes SAT-solver choices and solver controls that matter to verification researchers and benchmark runners.

### 採用の歴史

The input package-manager data lists Homebrew and Nix packaging, which is a small but meaningful formal-methods footprint: these ecosystems are common in reproducible research and developer workstations.

Bitwuzla's adoption story is also academic. The official README points to the CAV 2023 publication and asks downstream users to report projects that incorporate Bitwuzla so they can be linked as third-party applications.

### 使われ方

CLI usage centers on feeding SMT-LIBv2 or BTOR2 files to bitwuzla, optionally producing models, unsat cores, interpolants, and solver statistics. The CLI can also parse-only, preprocess-only, set time and memory limits, choose SAT backends, and configure bit-vector solving options.

Library usage matters too: packages that install Bitwuzla make it available both as a command and as a dependency for tools that need embedded SMT solving.

### パッケージ好きにとっての重要性

Bitwuzla is package-nerd significant because solver packaging is where reproducibility gets real: exact versions, linked SAT backends, Python bindings, and platform builds can change research and CI outcomes.

It also carries lineage value. The official references include SMT-LIB and BTOR2/Boolector literature, placing Bitwuzla in the bit-vector and hardware/software verification solver family rather than in generic theorem-proving packaging.

The 0.x release cadence through 2026 shows an actively moving solver, which makes package-manager freshness and dependency choices unusually important.

### タイムライン

- 2020: bitwuzla/bitwuzla repository created.
- 2023-06-30: Bitwuzla 0.1.0 released.
- 2023: Bitwuzla system-description paper published at CAV 2023.
- 2024-12-13: Bitwuzla 0.7.0 released.
- 2025-05-22: Bitwuzla 0.8.0 released.
- 2026-05-21: Bitwuzla 0.9.1 released.

### Related projects

- SMT-LIB is the standard input language family documented by the CLI.
- BTOR2 and Boolector are cited in the official references and define part of the bit-vector solver lineage around Bitwuzla.
- CaDiCaL and SymFPU are required dependencies in the official installation docs; Kissat is documented as an optional dependency/SAT backend.

### ソース

- <https://bitwuzla.github.io/docs>
- <https://bitwuzla.github.io/docs/binary.html>
- <https://bitwuzla.github.io/docs/install.html>
- <https://bitwuzla.github.io/docs/references.html>
- <https://github.com/bitwuzla/bitwuzla#readme>
- source_facts.package-manager


## セキュリティノート

narrow executable package without higher-risk signals.

- **Geiger リスク:** グリーン / 低
- narrow executable package without higher-risk signals

## 他のパッケージマネージャ記録

- Nix - bitwuzla: normalized package name match | nixpkgs package indexes: pkgs/by-name/bi/bitwuzla/package.nix from https://api.github.com/repos/NixOS/nixpkgs/git/trees/master?recursive=1


## Combined YAML source

View the package source record on GitHub. [combined/bitwuzla.yml](https://github.com/mxcl/pkgdb/blob/main/combined/bitwuzla.yml)


## ソース

- pkg.so package database
- Geiger risk classifier
- curated package history
- pkgdb category and tag curation
- external package-manager database matches
- cross-ecosystem install command graph
