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RE: [tlaplus] Re: Toolbox 1.5.0 final released

Hi Markus,


Here’s my summary for the web page of the changes in the new version:


  Version 1.5.0 - 11 May 2015

  - Distributed TLC in the Cloud--significantly improves

    distributed TLC.

  - Significantly speeds ups TLC's liveness checking.

  - Improvements to the Decompose Proof command.

  - Improvements to the TLC Errors view, including ability to

    show trace in reverse order.

  - Fixes all known bugs in TLC's liveness checking.

  - Fixes bug in TLC that caused infinite looping if a recursively

    defined operator is used as an operator argument in its own



Any suggestions for improvement?




From: tla...@xxxxxxxxxxxxxxxx [mailto:tla...@xxxxxxxxxxxxxxxx] On Behalf Of Markus Alexander Kuppe
Sent: Tuesday, May 12, 2015 4:32 AM
To: tla...@xxxxxxxxxxxxxxxx
Subject: [tlaplus] Re: Toolbox 1.5.0 final released



the final 1.5.0 TLA+ Toolbox release has been made available today [1][2][3].

The 1.4.8 will automatically ask to update to 1.5.0 upon the next Toolbox startup (the release candidate will *not* update automatically. Please delete the release candidate manually and install the final one afterwards).

See the list of changes [4] for details on the seven bugfixes since the release candidate.


[1] https://tlaplus.codeplex.com/releases/view/614836
[2] https://tla.msr-inria.inria.fr/tlatoolbox/products/
[3] https://bugzilla.tlaplus.net/tlatoolbox/products/
[4] https://tlaplus.codeplex.com/SourceControl/list/changesets


On 03.05.2015 18:22, Markus Alexander Kuppe wrote:


we are about to release the next Toolbox release (1.5.0). While we are finishing up the change log [1], we would like to ask the community to test the release candidate [2] (unless show stoppers are found, the release candidate will eventually just be renamed).

Almost 500 new commits make up the 1.5.0 since the last release in early 2014 (see commit 6639bd91f4bb4f2233c05720ecea1814686d6739 [3]). An incomplete high-level list of changes is:

* Distributed TLC in the Cloud (preview, lacks final documentation) [4]
* Portable specs (only store relative path names)
* Persistently store customized sash ratio in TLC Errors view
* Flip sort order in TLC Errors view. Sort variables alphabetically
* Make better use of screen estate on large displays
* Improved scalability and performance (order of magnitude) with TLC Liveness checking (milestone 1)
* Minor enhancements (see commit log)

* Liveness checking produces invalid counter-example [5]
* Negative seek offset Exception with Liveness checking [6]
* Liveness checking in simulation mode is buggy [7]
* Fixed several startup crashes and hangs
* Fixed race conditions when launching TLC [8], and in TLC Errors view

* Drop Toolbox compatibility with Java < 1.7
* Better compatibility with recent Mac and Linux (switched to Eclipse foundation 4.4)
* Much improved test coverage
* Can switch to experimental liveness checking implementation in simulation mode (-Dtlc2.tool.Simulator.experimentalLiveness=true)
* Report statistics about behavior graph properties (-Dtlc2.tool.liveness.Liveness.statistics=true)
* Significantly extended code comments
* Sign distributed TLC workers to remove startup warning

Please report bugs by responding to this message or by opening issues at Codeplex [9].


[1] http://research.microsoft.com/en-us/um/people/lamport/tla/toolbox.html#downloading
[2] http://tla.msr-inria.inria.fr/tlatoolbox/staged/products/ or https://bugzilla.tlaplus.net/tlatoolbox/staged/products/
[3] http://tlaplus.codeplex.com/SourceControl/changeset/6639bd91f4bb4f2233c05720ecea1814686d6739
[4] https://vimeo.com/97961350
[5] http://tlaplus.codeplex.com/workitem/8
[6] https://bugzilla.tlaplus.net/show_bug.cgi?id=293
[7] https://bugzilla.tlaplus.net/show_bug.cgi?id=40
[8] https://bugzilla.tlaplus.net/show_bug.cgi?id=98
[9] http://tlaplus.codeplex.com/workitem/list/basic


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