macOS
Homebrewverified · 100%
brew install ltl2balocal Homebrew formula metadata
brew
Install ltl2ba with Homebrew, Nix
Translate LTL formulae to Buchi automata. Version 1.3 via Homebrew; verified from local package data.
install
Additional install commands
Linux
Nixverified · 92%
nix profile install nixpkgs#ltl2banixpkgs package indexes · pkgs/by-name/lt/ltl2ba/package.nix · source: api.github.com
overview
Package summary
Translate LTL formulae to Buchi automata
Project links
Commands and aliases
- ltl2ba
history
Project history and usage
LTL2BA is a small command-line and web tool for translating Linear Temporal Logic formulae into Buchi automata. It belongs to the formal-methods and model-checking ecosystem, where such translations are used to turn temporal specifications into automata that model checkers can consume.
Project history
The official LTL2BA page describes the software as originally written by Denis Oddoux in version 1.0 and later modified by Paul Gastin in versions 1.2 and 1.3. The page ties the implementation to the paper "Fast LTL to Buchi Automata Translation", presented at CAV 2001, which explains why the package is known mostly inside verification and automata-theory circles rather than as a general developer tool.
The project has kept a deliberately narrow interface: users enter LTL formulae using standard temporal and Boolean operators, can choose Spin syntax compatibility, and can ask the tool to emit an automaton image or a Spin never claim. The official download page is form based and does not advertise an official public source-control repository, so package managers generally package the released program rather than tracking a public upstream Git repository.
Adoption history
LTL2BA was adopted by model-checking users who needed a practical LTL-to-automata translator that could interoperate with Spin. Its presence in Homebrew and Nix, recorded in the supplied package-manager facts, shows that it remains useful enough for Unix-like package collections despite being a specialized academic tool.
How it is used
Users provide an LTL formula, choose syntax and simplification options, and use the output as a generalized Buchi automaton, Buchi automaton, or Spin never claim. The package is most relevant in workflows that generate or test temporal properties before feeding them to a model checker.
Why package nerds care
For package-history work, LTL2BA is an example of a compact research artifact that became long-lived infrastructure. It is tiny, stable, and domain-specific, but packaging it saves verification users from building or finding an old academic distribution manually.
Timeline
- 2001: The underlying fast LTL-to-Buchi translation work was presented at CAV 2001.
- Version 1.0: Denis Oddoux wrote the original LTL2BA software.
- Versions 1.2 and 1.3: Paul Gastin modified the tool.
- Current packaging: Homebrew and Nix package ltl2ba according to the supplied source facts.
Related projects
- Spin is an important related model checker because the official interface can use Spin syntax and emit Spin never claims.
- Graphviz dot is related operationally because the official page says automata drawings are generated with dot.
- JLtl2Ba is listed by the official page as a Java interface for LTL2BA.
Sources
- https://lsv.ens-paris-saclay.fr/~gastin/ltl2ba/
- https://lsv.ens-paris-saclay.fr/~gastin/ltl2ba/download.php
- source_facts.package-manager
security posture
Risk level: green
narrow executable package without higher-risk signals.
Risk classifier
green risk · low confidence · appliance
Why
- narrow executable package without higher-risk signals
Signals
- metadata:no-higher-risk-signals
Install behavior
- No Homebrew post-install hook is recorded in formula metadata.
- Homebrew bottle metadata is available for 13 platform targets.
Recommended review
Before unattended agent use, check whether the tool reads plaintext credentials, writes remote state, publishes artifacts, or shells out to plugins.
executables
Installed executables
| Command | Kind | Exposure | Note |
|---|---|---|---|
ltl2ba | cli | global executable |
freshness
Version and freshness
These signals separate page generation age, package-manager activity, and upstream release comparison. Version lag is warned only when an evidence URL and comparable versions are present.
page generated2026-07-08
manager version1.3
manager updated
local dataok
upstreamnot checked
latest detectednot detected
https://lsv.ens-paris-saclay.fr/~gastin/ltl2ba/
- infoNo package-manager update timestamp was available.low confidence
- infoRelease/tag comparison is only available for GitHub repositories.https://lsv.ens-paris-saclay.fr/~gastin/ltl2ba/none confidence
install metadata
Package metadata
| Package key | brew:ltl2ba |
|---|---|
| Version | 1.3 |
| Package manager | Homebrew |
| Package manager page | https://formulae.brew.sh/formula/ltl2ba |
| Homepage | https://lsv.ens-paris-saclay.fr/~gastin/ltl2ba/ |
| Upstream docs | https://lsv.ens-paris-saclay.fr/~gastin/ltl2ba |
| License | GPL-2.0-or-later |
| Source archive | https://lsv.ens-paris-saclay.fr/~gastin/ltl2ba/ltl2ba-1.3.tar.gz |
| Bottle | available (on arm64_big_sur, arm64_linux, arm64_monterey, arm64_sequoia, arm64_sonoma, arm64_tahoe, arm64_ventura, big_sur, catalina, monterey, sonoma, ventura, x86_64_linux) |
| Homebrew post-install | not defined |
| Service | none declared |
registry facts
Source database details
| Source Database | Homebrew formula API |
|---|---|
| Tap | homebrew/core |
| Full Name | ltl2ba |
| Version Scheme | 0 |
| Revision | 0 |
| Bottle Stable Root URL | https://ghcr.io/v2/homebrew/core |
| Deprecated | no |
| Disabled | no |
| Keg Only | no |
| URL Keys |
|
source database matches
Other package-manager records
Matches are pulled from external package-manager indexes and kept separate from local Automic Vault package links.
Nix95%
ltl2ba
nix profile install nixpkgs#ltl2ba- normalized package name match
- Matched by: Ltl2ba
source trail
Generated from repository data
This page is generated by av-web from the private package SQLite artifact built by scripts/generate-pkg-sqlite.py.
Combined YAML source
View the package source record on GitHub.
Used sources
- Geiger risk classifier
- Nucleus package database
- av.db category and tag curation
- cross-ecosystem install command graph
- curated package history
- external package-manager database matches
- package relationship graph
- package version freshness
- package-page enrichment