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Apalache Alternatives
Similar projects and alternatives to apalache
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InfluxDB
Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
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tlaplus
TLC is a model checker for specifications written in TLA+. The TLA+Toolbox is an IDE for TLA+.
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quint
An executable specification language with delightful tooling based on the temporal logic of actions (TLA) (by informalsystems)
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BlockingQueue
Tutorial "Weeks of debugging can save you hours of TLA+". Each git commit introduces a new concept => check the git history! (by lemmy)
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verifiable-controllers
This is a VMware Research Group project. It is an experimental framework to build practical, formally verified, cluster management controllers.
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NOTE:
The number of mentions on this list indicates mentions on common posts plus user suggested alternatives.
Hence, a higher number means a better apalache alternative or higher similarity.
apalache reviews and mentions
Posts with mentions or reviews of apalache.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2024-05-04.
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Verified Rust for low-level systems code
TLA+ has also had an SMT-based backend, Apalache [1], for a few years now. In general, you encode your system model (which would be the Rust functions for Verus, the TLA model for Apalache) and your desired properties into an SMT formula, and you let the solver have a go at it. The deal is that the SMT language is quite expressive, which makes such encodings... not easy, but not impossible. And after you're done with it, you can leverage all the existing solvers that people have built.
While there is a series of "standard" techniques for encoding particular program languages features into SMT (e.g., handling higher-order functions, which SMT solves don't handle natively), the details of how you encode the model/properties are extremely specific to each formalism, and you need to be very careful to ensure that the encoding is sound. You'd need to go and read the relevant papers to see how this is done.
[1]: https://apalache.informal.systems
- Holiday protocols: secret Santa with Quint
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Learn TLA+
Anyone know of some good free software TLA+ model checkers? The "Other Tooling" mentions one alternative checker, https://apalache.informal.systems/, but that's all I could find. Thanks.
- Apalache – Symbolic Model Checker for TLA+
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A dependently typed language for proofs that you can implement in one day
> How are those types any different than outright stating a behavioral invariant?
Because the behavior of programs can't be verified without executing the program, but types can be checked purely based on syntax. There is way less source code than runtime states of any non-trivial program.
I've asked this same question many times, the TLA+ way is much more expressive and _simpler_. But model checking is a way harder problem than type checking, in general. SMT solvers make this line blurry - in fact, have you heard of the SMT-based model checker for TLA+, [Apalache](https://apalache.informal.systems/)?. I haven't tried it out, but that should be way faster than TLC which just brute forces the state-space exploration.
I'm totally with you about TLA+ style spec properties, but it's a big theoretical hurdle to cross before they could be as efficient as types.
- Apalache Release v0.15.1
- Apalache, a symbolic model checker for TLA+, v0.8.0 is released
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www.saashub.com | 2 Jun 2024
Stats
Basic apalache repo stats
7
414
9.3
15 days ago
informalsystems/apalache is an open source project licensed under Apache License 2.0 which is an OSI approved license.
The primary programming language of apalache is Scala.
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