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: a07f3367d7,1bf4286a3f0b5d7e X-Google-Attributes: gida07f3367d7,public,usenet X-Google-NewGroupId: yes X-Google-Language: ENGLISH,ASCII Path: g2news2.google.com!postnews.google.com!g19g2000yql.googlegroups.com!not-for-mail From: roderick.chapman@googlemail.com Newsgroups: comp.lang.ada Subject: Re: SPARK postcondition check fails Date: Tue, 9 Jun 2009 00:49:45 -0700 (PDT) Organization: http://groups.google.com Message-ID: <2b6870e7-0846-4b52-932a-34ab3a86b946@g19g2000yql.googlegroups.com> References: <02cc303d-6a22-4f09-b174-d2fbbb422645@t10g2000vbg.googlegroups.com> <5a1a9746-2893-4c2e-a1b7-6107d33f2524@c19g2000yqc.googlegroups.com> <70bfaee3-59b7-486c-abff-4ca6b233598e@g20g2000vba.googlegroups.com> NNTP-Posting-Host: 192.108.117.69 Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable X-Trace: posting.google.com 1244533786 2468 127.0.0.1 (9 Jun 2009 07:49:46 GMT) X-Complaints-To: groups-abuse@google.com NNTP-Posting-Date: Tue, 9 Jun 2009 07:49:46 +0000 (UTC) Complaints-To: groups-abuse@google.com Injection-Info: g19g2000yql.googlegroups.com; posting-host=192.108.117.69; posting-account=HCzrEgkAAABSfGsTnv-u5wET6EzuneVi User-Agent: G2/1.0 X-HTTP-UserAgent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-GB; rv:1.9.0.10) Gecko/2009042316 Firefox/3.0.10,gzip(gfe),gzip(gfe) Xref: g2news2.google.com comp.lang.ada:6387 Date: 2009-06-09T00:49:45-07:00 List-Id: On Jun 9, 8:12=A0am, xorquew...@googlemail.com wrote: > On Jun 9, 7:45=A0am, roderick.chap...@googlemail.com wrote: > > > > You'll have to forgive the possibly naive question, there's quite > > > a learning curve. > > > Habe you run the Simplifier over the generated VCs? > > > The Examiner _generates_ the VCs, but you need to run "sparksimp" > > to Simplify them, then "pogs" to collate the results. =A0Please see > > chapter 10 of the SPARK book, or the Tokeneer Discovery tutorial > > for more details. > > =A0- Rod Chapman > > No, I hadn't. > > I actually wasn't aware of the existence of the Tokeneer tutorial. > I'll be going through that ASAP. > > By the SPARK book, do you mean High Integrity Ada by John Barnes? > > Thanks. It's High Integrity _Software_ - the one with the blue cover published in 2003 (but now in its 4th re-print...) Get it from amazon.co.uk. - Rod