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Date: Wed, 30 Jul 2014 06:41:53 -0400
From: Peter Chapin <PChapin@vtc.vsc.edu>
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Subject: Re: seL4 as base of an AdaOS with some Spark proofing?
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Xref: news.eternal-september.org comp.lang.ada:21350
Date: 2014-07-30T06:41:53-04:00
List-Id: <comp.lang.ada>

On 2014-07-30 05:06, Georg Bauhaus wrote:

> Having an OS written in C that is proven correct and available
> online shows that Ada / GNATSpark is not needed any more.

It is not news that it is possible to prove certain C programs correct.
I refer you to the Frama-C project and it's deductive verification
plugins as one example.

The question one must ask is: how difficult is it to do and how much
"normal" code can you effectively prove?

Peter