Title
Automated Property Verification for Large Scale B Models
Abstract
In this paper we describe the successful application of the ProB validation tool on an industrial case study. The case study centres on the San Juan metro system installed by Siemens. The control software was developed and formally proven with B. However, the development contains certain assumptions about the actual rail network topology which have to be validated separately in order to ensure safe operation. For this task, Siemens has developed custom proof rules for AtelierB. AtelierB, however, was unable to deal with about 80 properties of the deployment (running out of memory). These properties thus had to be validated by hand at great expense (and they need to be revalidated whenever the rail network infrastructure changes). In this paper we show how we were able to use ProB to validate all of the about 300 properties of the San Juan deployment, detecting exactly the same faults automatically in around 17 minutes that were manually uncovered in about one man-month. This achievement required the extension of the ProB kernel for large sets as well as an improved constraint propagation phase. We also outline some of the effort and features that were required in moving from a tool capable of dealing with medium-sized examples towards a tool able to deal with actual industrial specifications. Notably, a new parser and type checker had to be developed. We also touch upon the issue of validating ProB , so that it can be integrated into the SIL4 development chain at Siemens.
Year
DOI
Venue
2009
10.1007/978-3-642-05089-3_45
FM
Keywords
Field
DocType
actual industrial specification,san juan deployment,rail network infrastructure change,case study centre,prob kernel,san juan metro system,prob validation tool,automated property verification,actual rail network topology,large scale b models,industrial case study,sil4 development chain,b method,model checking,network topology
Local consistency,Software deployment,Model checking,Out of memory,Software engineering,Computer science,Network topology,B-Method,Parsing,Siemens
Conference
Volume
ISSN
Citations 
5850
0302-9743
10
PageRank 
References 
Authors
0.64
20
4
Name
Order
Citations
PageRank
Michael Leuschel12156135.89
Jérôme Falampin2422.71
Fabian Fritz3412.37
Daniel Plagge41337.78