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=0.4 required=5.0 tests=BAYES_00,FORGED_MUA_MOZILLA autolearn=no 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 10.68.231.138 with SMTP id tg10mr40907pbc.7.1331322060490; Fri, 09 Mar 2012 11:41:00 -0800 (PST) Path: h9ni7333pbe.0!nntp.google.com!news2.google.com!goblin1!goblin2!goblin.stu.neva.ru!aioe.org!news.tornevall.net!.POSTED!not-for-mail From: Jeffrey Carter Newsgroups: comp.lang.ada Subject: Re: Verified compilers? Date: Fri, 09 Mar 2012 12:40:50 -0700 Organization: TornevallNET - http://news.tornevall.net Message-ID: References: <15276255.3865.1331124143041.JavaMail.geo-discussion-forums@vbze11> <87d38nv4zf.fsf@adaheads.sparre-andersen.dk> NNTP-Posting-Host: 4bf48d8ccb2795b690fc13eea8d65060 Mime-Version: 1.0 X-Trace: 3285f71d7b63900efd2fc05dbd90b9ce X-Complaints-To: abuse@tornevall.net User-Agent: Mozilla/5.0 (X11; Linux i686; rv:10.0.2) Gecko/20120216 Thunderbird/10.0.2 X-Complaints-Language: Spoken language is english or swedish - NOT ITALIAN, FRENCH, GERMAN OR ANY OTHER LANGUAGE! In-Reply-To: X-UserIDNumber: 1738 X-Validate-Post: http://news.tornevall.net/validate.php?trace=3285f71d7b63900efd2fc05dbd90b9ce X-Complaints-Italiano: Non abbiamo padronanza della lingua italiana - se mandate una email scrivete solo in Inglese, grazie X-Posting-User: 0243687135df8c4b260dd4a9a93c79bd Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Date: 2012-03-09T12:40:50-07:00 List-Id: 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/ -- Jeff Carter "Sons of a silly person." Monty Python & the Holy Grail 02