From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00 autolearn=ham autolearn_force=no version=3.4.4 X-Google-Thread: 103376,5412c98a3943e746 X-Google-NewGroupId: yes X-Google-Attributes: gida07f3367d7,domainid0,public,usenet X-Google-Language: ENGLISH,ASCII-7-bit Received: by 10.68.235.4 with SMTP id ui4mr3539797pbc.3.1331325559530; Fri, 09 Mar 2012 12:39:19 -0800 (PST) Path: h9ni7481pbe.0!nntp.google.com!news2.google.com!goblin1!goblin.stu.neva.ru!eternal-september.org!feeder.eternal-september.org!mx04.eternal-september.org!.POSTED!not-for-mail From: Brian Drummond Newsgroups: comp.lang.ada Subject: Re: Verified compilers? Date: Fri, 9 Mar 2012 20:39:18 +0000 (UTC) Organization: A noiseless patient Spider Message-ID: References: <15276255.3865.1331124143041.JavaMail.geo-discussion-forums@vbze11> <87d38nv4zf.fsf@adaheads.sparre-andersen.dk> Mime-Version: 1.0 Injection-Date: Fri, 9 Mar 2012 20:39:18 +0000 (UTC) Injection-Info: mx04.eternal-september.org; posting-host="DkTdSjxOCm6DqG+Uf7eArg"; logging-data="865"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX19RyQYgQIgSJ6Rhp6M0n09/Id2bZPXBJtg=" User-Agent: Pan/0.134 (Wait for Me; GIT cb32159 master) Cancel-Lock: sha1:m8K9o38PvMg7nDpmSx/3QYMbA6A= Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Date: 2012-03-09T20:39:18+00:00 List-Id: On Fri, 09 Mar 2012 12:40:50 -0700, Jeffrey Carter wrote: > On 03/09/2012 06:56 AM, Brian Drummond wrote: >> >> While it amuses me to see SPADE references so close to the surface in >> SPARK, it does also make me question how much progress has been made in >> formal verification in the last quarter century. Gut feel says, more >> than AI and flying cars, but not much. > > Terrafugia is actively working to certify a "roadable aircraft": > > http://www.terrafugia.com/ Heh, I suppose I asked for that. But I'm not sure if that proves, or disproves my point! - Brian