Diapositive%201

1
FIACRE Models and Tools for the Safety and
Security Analysis of Distributed Components and
their Composition Fiabilité des assemblages de
composants répartis
Action 1 Specification Formalisms and Common
Intermediate Formats
pNets Parameterized Networks (Model and API) We
have defined this model as a very expressive
formalism, adding parameters to Arnold and
Nivats Networks of labelled transition systems
(Forte2004). It is the central element of our
method, providing a uniform semantical
representation for specification, for model
generation, and for analysis. Fiacre Language
Format Intermédiaire pour les Architectures de
Composants Répartis Embarqués (ongoing
work) Fiacre is an intermediate format for the
verification of asynchronous embedded component
system, developed jointly in the context of the
FIACRE project, the Topcased project of the
Aerospace Valley pôle de compétitivité
(http//www.topcased.org), and the OpenEmbeDD
RNTL platform.It inherits of experience from the
Cotre project and the NTIF intermediate format.
It will be a target language for applications
written in standard modelling languages (AADL,
UML, etc.), and a common input format for the
verification toolkits CADP and TINA. Specialized
UML Diagrams (ongoing work) design of a
dedicated extension of UML composite structures
and state machines for distributed hierarchical
components and their behaviour. This will be the
non-expert entry point to the fiacre analysis
platform. Dedicated Specification Patterns (at
beginning stage) based on the specification
pattern language of M. Dwyers, we are defining a
logical language close to the natural language,
but endowed with a precise semantics, and
offering constructs specific to distributed grid
applications.
Action 2 Semantics and Model Generation for
Distributed Components. ? Applies to the
distributed Fractal implementation based on the
ProActive library
ADL IDL BDL Architecture, Interface and
Behaviour Description Languages

• Semantic Model pNets
• - Parameterized hierarchical networks of labelled
  transition systems
• Target of the model generation engine, and
  source of gateways to the various verification
  engine input languages.

Impact our Architecture and Behaviour
description language has been accepted as the
standard for the Grid Common Model of the
CoreGRID NoE

• Model Generation Tools
• - Structure extraction from the ADL
• Generation of non-functional controllers
  life-cycle, binding controller, attribute
  controller, content controller, request queues,
  future proxies
• - Predefined data types with finite abstraction
• - Selective visibility of messages and values
• Future Developments
• Generation of pNet models and code skeletons
  from UML diagrams
• High level specification of reconfiguration
  operations

Action 3 Verification Engines

• CADP toolbox
• More than 42 tools and 17 software components for
  the
• design and validation of distributed systems
  simulation,
• distributed and sequential state graph
  generation, verification
• of temporal logic, bisimulations
• New tools
• Exp.Open 2.0 tool for computing
• networks of Automata
• Reductor 5.0 on-the-fly state
• graph reducer
• Tool enhancements
• Model checking of temporal logic extended with
  data

• Gateways between
• Tina and CADP
• New gateways
• Tina generates marking graphs
• in the BCG format of CADP
• Tina checks formulas on BCG graphs
• CADP translates networks of automata
• in the TPN Petri net format of Tina
• Ongoing The Fiacre common
• intermediate language (see Action 1)

• Tina toolbox
• Tools for the edition and analysis of Petri nets
  and
• time Petri nets
• New tools
• SELT State/Event LTL
• modelchecker
• Compiler from RT/LOTOS
• into Tina Petri nets
• Compiler from V-Cotre into
• Tina Petri nets
• Tool enhancements
• Verification of systems with data, time, and
  priorities

Partners
INRIA Rhône-Alpes, Vasy team
FeriaIRIT/LAAS, SVF team Toulouse
GET - ENST Paris, LTCI team
INRIA Sophia-Antipolis, Oasis team
OASIS