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=-0.9 required=5.0 tests=BAYES_00,FORGED_GMAIL_RCVD, FREEMAIL_FROM autolearn=no autolearn_force=no version=3.4.4 X-Google-Thread: a07f3367d7,4e0df1f3e9a1ac5d X-Google-Attributes: gida07f3367d7,public,usenet X-Google-NewGroupId: yes X-Google-Language: ENGLISH,ASCII Path: g2news2.google.com!postnews.google.com!l22g2000vbp.googlegroups.com!not-for-mail From: Mark Lorenzen Newsgroups: comp.lang.ada Subject: Re: SPARK: Problem with using constants in a post annotation Date: Mon, 17 Jan 2011 03:08:04 -0800 (PST) Organization: http://groups.google.com Message-ID: <961b0543-de9c-4878-8370-2519e5bb01f0@l22g2000vbp.googlegroups.com> References: <880b38c9-e06a-4fe5-8285-bd30a8471639@f35g2000vbl.googlegroups.com> NNTP-Posting-Host: 193.163.1.105 Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable X-Trace: posting.google.com 1295262485 25389 127.0.0.1 (17 Jan 2011 11:08:05 GMT) X-Complaints-To: groups-abuse@google.com NNTP-Posting-Date: Mon, 17 Jan 2011 11:08:05 +0000 (UTC) Complaints-To: groups-abuse@google.com Injection-Info: l22g2000vbp.googlegroups.com; posting-host=193.163.1.105; posting-account=Srm5lQoAAAAEMX9rv2ilEKR6FDPapmSq User-Agent: G2/1.0 X-HTTP-UserAgent: Mozilla/5.0 (Windows; U; Windows NT 5.1; da; rv:1.9.2.13) Gecko/20101203 Firefox/3.6.13,gzip(gfe) Xref: g2news2.google.com comp.lang.ada:17455 Date: 2011-01-17T03:08:04-08:00 List-Id: On 13 Jan., 12:15, Phil Thornley wrote: > > BUT - there is an defect in the current (ie GPL 2010) version of SPARK > where this may generate incorrect VCs for Proc. =A0This seems to occur > when a pre- and/or post-condition is refined but there is no refined > information flow (ie the derives annotation). =A0I don't know of any > reliable workaround for this. > (I understand that the SPARK team have fixed this defect, so if you > are a supported customer you should be able to get an updated > Examiner.) > It would be really nice if AdaCore would issue an update to the GPL version as well. I understand they can't update the GPL version every time they issue a new wavefront release of a supported product, but this bug has no workaround and it gives a bad impression of SPARK. - Mark L