Rodin Platform 2.1 Release Notes

From Event-B
Jump to navigationJump to search

What's New in Rodin 2.1?

  • General Interface
Improved general platform performance. One of the main task of the scheduled future work, concerning the maintenance and evolution of Rodin, is to increase the platform's performances. Investigation has started and some early enhancements are already part of this release which affect the overall performance of the platform.
See: Rodin Performances
General Platform Performances
New mechanism for automatic tactics preferences. It is now possible to define profiles (e.g. ordered lists) of tactics to be used in post or automatic tactics at both workspace and/or project level. Exported projects contain the profiles defined at project level.
See: How to use it and the page on the work done about Preferences for the automatic tactics
  • Proving
New automatic rewriting rules. Over 150 automatic rewriting rules have been added, making it easier to discharge proof obligations.
See: All_Rewrite_Rules
New proving interface. The proving interface now uses other graphical components to enhance the interactive proving performance and avoid bugs related to large model proving.
Display hypotheses and search for hypotheses is now at least up to 10 times faster!

Rodin Proof Editor Performances


  • To enhance your proving experience, the eclipse font settings (size, aspect...) are available from the preferences (General > Appearance > Colors and Fonts > Rodin). These settings allow you to modify the properties set on the Event-B Keyboard Text Font which is used in many views of the Proving UI. However, to enjoy these functionnalities, you need to install the Brave Sans Mono font on your system. You can download this font from the link here.
  • Configuration
    • Only a 32-bit version of the Rodin platform is provided for PCs
    • Only a 64-bit version of the Rodin platform is provided for MAC

External plug-ins

Rodin Update Site

Plug-in name Version Status MCV* Release Date Contact Additional info
Umlb32.gif UML-B 2.2.0 available 9th Feb. 2011 email
UML-B Statemachine Animation 1.1.0 available 15th Feb. 2011 email Compatible with UML-B 2.2 and ProB 2.1.
Event-B EMF framework 3.2.1 available Users should not need to install this framework. It will be installed automatically by other plug-ins as required.
Export to Isabelle available 2.x.x email
Rose.gif Rose 1.1.0 available email
Records 1.0.1 available email This release includes EMF and Refactory support for records.
Teamwork not available
Shared Event Composition 1.3.1 available 9th Mar. 2011 email
Refactory 1.1.0 available 11th Feb. 2011 email
DecompositionPlug-in logo.png Decomposition 1.2.0 available 11th Feb. 2011 email
Project diagram icon s.png Project Diagram 1.0.0 available email
Relevance Filter 1.0.0 available 2.x.x email
Theory Plug-in v0.6 available 4th Jan. 2011 email
Code Generation Feature 0.1.5 available 17th May 2011 email

B Method Update Site

Plug-in name Version Status MCV* Release Date Contact Additional info
Atelier-B provers 1.2.2 available 17th Feb. 2011

Other Updates Sites

Plug-in name Version Status MCV* Release Date Contact Additional info
AnimB.png AnimB not available Christophe Métayer Use the update site
Camille available Use the Camille update site.
Mlogo big.png Modularisation available 2.x.x email Use the update site
Group refinement available 2.x.x email Use the update site
Flows/Use case extension available 2.x.x email Use the update site
Prob eventb wiki logo.png ProB available 8th Feb. 2011 Use the ProB update site.
The Plug-in includes BMotion Studio
ProR logo.png ProR available 20th Jan. 2012 Michael Jastram ProR support working with requirements. For traceability to Event-B, the Rodin Integration is required.
Update site:
Project web site:
ProR logo.png Rodin Integration for ProR not available 28th Feb. 2012 Michael Jastram We are currently working on a revised ProR-Rodin-Integration.

*MCV stands for the Rodin's Maximum Compatible Version

Known plug-in incompatibilities

It unfortunately exists some incompatibilities between plug-ins. This list might be non exhaustive and is updated accorded to user experiences. If you encounter some conflict while installing or using plug-ins, please send a mail to the Rodin User List or feel free to complete the following table.

Plug-in name Incompatible with


Dowload now!
An more recent platform than Rodin 2.1 exists. More info here

Fixed Bugs and Implemented Feature requests

  Bug 1766826: Error messages from math parser incomprehensible
  Bug 1841129: Incorrect proof status
  Bug 2371318: Unable to apply equality from left to right
  Bug 2630205: reasoning with "finite" clause
  Bug 2844786: Invisible icons in Proof Control coolbar
  Bug 2871281: Bad display of marked math symbols
  Bug 2949652: Event-B editor doesn't refresh
  Bug 3003164: NPE when loading a PO
  Bug 3006903: Rename Bug
  Bug 3048530: New Event Wizard :: NAT[tab]
  Bug 3078116: Rule DERIV_SUBSETEQ_SETMINUS_L automatic
  Bug 3080950: Incorrect display of <<->  <->> <<->> and <+  in the editor
  Bug 3085330: funOvr available on non-WD strict positions
  Bug 3092172: Lexer initialisation error when similar tokens are defined
  Bug 3093913: another inconsistency in type checking
  Bug 3110755: NewPP, PP, ML fail when datatype in type environment
  Bug 3116400: strange interference in initialisation of imported variables
  Bug 3116665: Assertion error with tactic "Belongs to Domain"
  Bug 3116812: Lexer errors when extending grammar
  Bug 3130730: can't parse large integers
  Bug 3137151: NPE when ProofControlPage is not initialized
  Bug 3138748: Prob fails with a cryptic message
  Bug 3158594: Rodin 2.0.1 provers are unsound
  Bug 3164796: Goal Page does not react to font changes
  Bug 3164832: Misplaced red link on forall in hyp [linux gtk]
  FR 3025824: Improve performance of the "Search Hypothesis" action
  FR 3080788: Manual POs selection in the Event-B explorer
  FR 3087387: Include an svn client tool in default update sites
  FR 3136438: Filtering auto/manual proofs in explorer
  FR 3136668: Custom Proof Replay
  FR 3137250: Make "db impl" tactic be available on the first operator 
  FR 3137897: Add an equivalence rewriting auto tactic
  FR 3137919: Automatic "Apply membership" tactics
  FR 3137922: Manual tactic to simplify the double negation
  FR 3138709: Comment for Variant
  FR 3151962: Have P0, P1 and ML directly accessible

Known Issues

  • If you encounter problem in the display of mathematical symbols, please note that installing Rodin's Brave Sans Mono font on your system could solve the issue. You can find this font here
  • The list of the currently open bugs is given below:
  Bug 1441596: Tool conflicts caused by identically named files
  Bug 1824177: B4free prover translation for <<-> fails
  Bug 1949927: newPP is too sensitive to unused hyps
  Bug 1954442: Too many handles used by Edit page on Windows
  Bug 2105507: too difficult to work with explicit set expressions
  Bug 2531738: RODIN crash adding text to note or text box in class diagram
  Bug 2573332: Long formulas get truncated
  Bug 2782243: BraveSansMono
  Bug 2817523: No paste in root contextual menu of explorer
  Bug 2824204: Change to Rodin Elements not reflected in editor
  Bug 2835692: Text Editor exception
  Bug 2844813: Turnstile unicode character
  Bug 2869663: Changing the font in the pretty print view
  Bug 2882318: Error while entering symbol from symbol table
  Bug 2883199: Fix "new" actions
  Bug 2886026: "Overflow" in partition rewriting
  Bug 2894645: Error on context named "axioms"
  Bug 2900427: Problems parsing complex expressions
  Bug 2916134: Atelier-B PP does not understand S /= {}
  Bug 2931450: editor extension - clause names defined in wrong element
  Bug 2934585: animB : impossible to start animation
  Bug 2937124: Symbol Table and Properties
  Bug 2937132: newPP unresponsive
  Bug 2940315: mod operator should be compatible with itself
  Bug 2940575: some fomulas are truncated
  Bug 2941496: NewPP outputs incorrect set of required Hypotheses
  Bug 2942182: unparsing then parsing gives a different expression
  Bug 2952091: newPP is unsound
  Bug 2952134: conversion to mathematical symbols generates trailing spaces
  Bug 2952645: Unable to parse ||
  Bug 2952705: Progress bar running too fast
  Bug 2952758: Highlighting of bound variables
  Bug 2957980: Proof Skeleton View : \n displayed as squares
  Bug 2958877: {1 | true} --> Error Running Tool
  Bug 2968560: Dependence of Explorer & eventb.ui
  Bug 2974867: Camille text editor -  doesn't allow non alphanumeric chars 
  Bug 2987749: Axioms in classtypes not quantified
  Bug 2988294: Nested elaborated transitions produce conflicting actions
  Bug 2997510: undo behaviour
  Bug 3005167: Inherited elements
  Bug 3005170: Becomes such that
  Bug 3005202: Renaming and provers
  Bug 3005204: Cumbersome popup
  Bug 3007792: Theorems in Guards - Syntax Error
  Bug 3007793: Issue with refines clauses of events 
  Bug 3009555: Search Hypothesis refresh
  Bug 3009838: Order of variables and invariants not preserved
  Bug 3014775: partition operator is not accepted by Camille 
  Bug 3019063: Error on Double Click
  Bug 3020776: Issue with indentation
  Bug 3022742: Problem with Software Sites
  Bug 3024811: Leaks in Event-B Explorer
  Bug 3027387: Proof simplification does not remove useless rules
  Bug 3052238: Saving failed caused by AssertionError in rebuild 
  Bug 3054228: Proof simplification too slow
  Bug 3075420: Unable to save project after renaming invariants
  Bug 3085129: Rename file and update occurrences can fail
  Bug 3086511: camille editor refuses to save
  Bug 3086755: Tacticals are not cancelable
  Bug 3102117: A theory with problems can be deployed nevertheless
  Bug 3102125: Deleting a deployed theory only removes the tuf file
  Bug 3105392: Auto Proved status is invisible with theory feature
  Bug 3106603: Theory plugin inherits unsoundness bug from rbp
  Bug 3106728: Unsoundness by wrong treatment of meta variables
  Bug 3106789: Rule based prover does not properly match set extensions
  Bug 3106792: RbP allows to generate theory with same name as a context 
  Bug 3112508: Camille can not be installed on Rodin 2.0.1
  Bug 3112539: Proof status after theory change
  Bug 3122147: newPP can't do modus ponens
  Bug 3126433: the parser accepts a+-1 
  Bug 3143114: translation
  Bug 3143508: inherited elements in default editor
  Bug 3150302: callability lost in refinement
  Bug 3150394: miscounted parameters
  Bug 3151189: inappropriate abstraction of a return value
  Bug 3151805: inconsistencies in importing of events
  Bug 3154319: Unacceptable handling of unsupported expressions
  Bug 3164791: Error and missing page in help contents
  Bug 3166636: newPP unable to reason with finite definition


Since Rodin is continuously maintained, several unsoundness bugs which have been encountered were investigated and fixed. However, despite the total commitment of our teams to insure the soundness of the platform, some unexpected and unknown soundness issues could remain. We would be grateful if you would report these issues to the development mailing list.


Rodin Platform up to r10764
Developer Release date : 24/01/2011 (2.1RC1).
User Release date : 08/02/2011.