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Asked: 2026-05-31T13:31:14+00:00

I’m looking for a higher-level system language, if possible, suitable for formal verification, that

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I’m looking for a higher-level system language, if possible, suitable for formal verification, that compiles to standard C, so that it can be run cross-platform with (relatively) low overhead.

The two most promising such languages I’ve stumbled during the past few days are:

  1. BitC – While the design goals of this language match my needs (it even supports the functional paradigm), it is in very unstable state, the documentation is out of date, and, generally, it seems like a very long shot for a real-world project.

  2. Lisaac – It supports Design-by-contract, which is very cool and has a relatively low performance overhead. However the website is dead, there hasn’t been a new release since ’08 and generally it seems the language is dead.

I’d also like to note that it’s not meant for a real-time system, so a GC or, generally, non-determinism (in the real-time sense), is not an issue.

The project involves mainly audio processing, though it has to be cross-platform.

I assume someone would point me to the obvious answer – “plain ol’ C”. While it is truly cross-platform and very effective, the code quantity would probably be greater.

EDIT: I should clarify that I mean cross-platform AND cross-architecture. That is why I consider only languages, compiled to C in the first place, but if you can point me to another example, I’d be grateful 🙂

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  1. Editorial Team

    I think you may become interested in ATS. It compiles to C (actually it expresses and explains many C idioms and patterns from a formal type-theoretic perspective, it has even been proposed to prepare a book of sorts to show this — if only we had more time…).

    The project involves mainly audio processing, though it has to be cross-platform.

    I don’t know much about audio processing, I’ve been mainly doing some computer graphics stuff (mostly the basic things, just to try it out).

    Also, I am not sure if ATS works on Windows (never tried that).

    (Disclaimer: I’ve been working with ATS for some time. It is bulky and large language, and sometimes hard to use, but I very much liked the quality of programs I’ve been able to produce with it, for instance, see TEST subdirectory in GLES2 bindings for some realistic programs)

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