Atelier B 4.5.0 is a Community Edition version, freely downloadable
This version fixes, cumulatively since version 4.2.1, 146 bugs and several improvements are included:
- Simplified installation with Linux [4.5]
- Proof Obligation Generation
- For Event-B, specific proof obligations may be generated by the new proof obligation generator: deadlock freeness, non-divergence, feasibility, coverage and exclusivity [4.5]
- Automatic proof
- Interfacing tool « IAPA » (Linux only) to connect with provers from Why3 platform [4.5]
- Interactive proof
- Release of proof drudges, which let user use SMT solvers to defines proof rules [4.5]
- New feature to add its own groups of proof commands [4.5]
- Improvement in typing of proof commands [4.5]
- Configurable timeout added to proof commands belonging to pp family [4.4.2]
- A new proof command added to Apply Tactic [4.4.2]
- New functionalities in the proof tool to prove rules [4.4.2]
- Integration of ProB model checker in the interactive prover [4.3]
- C4B code generator now supports arrays indexed by enumerated type variables [4.5]
- Editor now displays proof obligations [4.4.2]
- Coding rules are now verified in the Atelier B [4.3]
New functionalities of the versions 4.4.2 and 4.3 are described in their respective version notes (release notes 4.4.2 , release note 4.3 ).
If you require more detailed information please refer to the 4.5 release notes