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,FREEMAIL_FROM autolearn=ham autolearn_force=no version=3.4.4 X-Google-Thread: a07f3367d7,48e1a3c594fb62e8 X-Google-Attributes: gida07f3367d7,public,usenet X-Google-NewGroupId: yes X-Google-Language: ENGLISH,UTF8 Path: g2news2.google.com!news1.google.com!npeer01.iad.highwinds-media.com!news.highwinds-media.com!feed-me.highwinds-media.com!nntp.club.cc.cmu.edu!feeder.erje.net!news.mixmin.net!aioe.org!not-for-mail From: =?utf-8?Q?Yannick_Duch=C3=AAne_=28Hibou57?= =?utf-8?Q?=29?= Newsgroups: comp.lang.ada Subject: Re: SPARK Date: Sun, 16 May 2010 07:28:16 +0200 Organization: Ada At Home Message-ID: References: NNTP-Posting-Host: sTlYSXnTcjJGTYbLtvdIYA.user.speranza.aioe.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed; delsp=yes Content-Transfer-Encoding: Quoted-Printable X-Complaints-To: abuse@aioe.org X-Notice: Filtered by postfilter v. 0.8.2 User-Agent: Opera Mail/10.53 (Win32) Xref: g2news2.google.com comp.lang.ada:11655 Date: 2010-05-16T07:28:16+02:00 List-Id: Request for confirmation. In Praxis's documentations, there is a file named Checker_Rules.pdf, tit= le = is =E2=80=9CSPADE Proof Checker Rules Manual=E2=80=9D, which list Checke= r's built-in = rules. I do not see any reason why the Examiner/Simplifier would have a = = different rules set than the Checker, so I suppose this rules set is als= o = the one used by the Examiner/Simplifier. I would just want to be sure : = = someone can confirm ? If it is, this may explain why I meet some troubles proving one thing wi= th = real arithmetic (yes, I know real arithmetic is not safe and I must care= , = but this is just an exercise...) -- = There is even better than a pragma Assert: a SPARK --# check. Wanted: if you know about some though in the area of comparisons between= = SPARK and VDM, please, let me know. Will enjoy to talk with you about it= .