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Author: Souha Ben Rayana - Tekaya
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
The compositional Verification aims at breaking down the complexity of the verification task by relying on the separate analysis of the sub-components and inferring global properties of the system from their local properties.In the framework of real-time systems, one main obstacle for developing fully compositional methods is the synchronous model of time.We propose a verification method based on the deductive approach where the setof reachable states of the system is over-approximated by an invariant computedin a fully compositional manner. It comprises local component invariants andan interaction invariant characterizing the interactions between the components.In addition, we introduce auxiliary clocks, called history clocks which allow toautomatically generate new invariants capturing the constraints induced by thetime-synchronizations between the different components. We completed this com-positional invariant generation approach with a counterexample-based invariantenforcement module analyzing iteratively the generated counterexamples.Besides its scalability, the method can be extended to the uniform verification of parameterized timed systems.Our compositional verification method was implemented in the RTD-Finder tool.The experimental results show that the verification time for large systems is drastically reduced in comparison with exploration techniques, especially when the global invariant catches the safety property of interest.
Author: Souha Ben Rayana - Tekaya
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
The compositional Verification aims at breaking down the complexity of the verification task by relying on the separate analysis of the sub-components and inferring global properties of the system from their local properties.In the framework of real-time systems, one main obstacle for developing fully compositional methods is the synchronous model of time.We propose a verification method based on the deductive approach where the setof reachable states of the system is over-approximated by an invariant computedin a fully compositional manner. It comprises local component invariants andan interaction invariant characterizing the interactions between the components.In addition, we introduce auxiliary clocks, called history clocks which allow toautomatically generate new invariants capturing the constraints induced by thetime-synchronizations between the different components. We completed this com-positional invariant generation approach with a counterexample-based invariantenforcement module analyzing iteratively the generated counterexamples.Besides its scalability, the method can be extended to the uniform verification of parameterized timed systems.Our compositional verification method was implemented in the RTD-Finder tool.The experimental results show that the verification time for large systems is drastically reduced in comparison with exploration techniques, especially when the global invariant catches the safety property of interest.
Author: Eric Y.T. Juan
Publisher: Springer Science & Business Media
ISBN: 1461510090
Category : Computers
Languages : en
Pages : 210
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Book Description
With the rapid growth of networking and high-computing power, the demand for large-scale and complex software systems has increased dramatically. Many of the software systems support or supplant human control of safety-critical systems such as flight control systems, space shuttle control systems, aircraft avionics control systems, robotics, patient monitoring systems, nuclear power plant control systems, and so on. Failure of safety-critical systems could result in great disasters and loss of human life. Therefore, software used for safety critical systems should preserve high assurance properties. In order to comply with high assurance properties, a safety-critical system often shares resources between multiple concurrently active computing agents and must meet rigid real-time constraints. However, concurrency and timing constraints make the development of a safety-critical system much more error prone and arduous. The correctness of software systems nowadays depends mainly on the work of testing and debugging. Testing and debugging involve the process of de tecting, locating, analyzing, isolating, and correcting suspected faults using the runtime information of a system. However, testing and debugging are not sufficient to prove the correctness of a safety-critical system. In contrast, static analysis is supported by formalisms to specify the system precisely. Formal verification methods are then applied to prove the logical correctness of the system with respect to the specification. Formal verifica tion gives us greater confidence that safety-critical systems meet the desired assurance properties in order to avoid disastrous consequences.
Author: Sungdeok Cha
Publisher: Springer
ISBN: 3540883878
Category : Computers
Languages : en
Pages : 441
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Book Description
This book constitutes the refereed proceedings of the 6th International Symposium on Automated Technology for Verification and Analysis, ATVA 2008, held in Seoul, Korea, in October 2008. The 21 revised full papers 5 short papers and 7 tool papers presented together with 3 invited talks were carefully reviewed and selected from 82 submissions. The focos lies on theoretical methods to achieve correct software or hardware systems, including both functional and non functional aspects; as well as on applications of theory in engineering methods and particular domains and handling of practical problems occurring in tools. The papers are organized in topical sections on model checking, software verification, decision procedures, linear-time analysis, tool demonstration papers, timed and stochastic systems, theory, and short papers.
Author: Ivica Crnkovic
Publisher: Artech House
ISBN: 1580533272
Category : Computers
Languages : en
Pages : 452
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Book Description
Here's a complete guide to building reliable component-based software systems. Written by world-renowned experts in the component-based software engineering field, this unique resource helps you manage complex software through the development, evaluation and integration of software components. You quickly develop a keen awareness of the benefits and risks to be considered when developing reliable systems using components. A strong software engineering perspective helps you gain a better understanding of software component design, to build systems with stronger requirements, and avoid typical errors throughout the process, leading to improved quality and time to market.
Author: Michel R. V. Chaudron
Publisher: Springer Science & Business Media
ISBN: 3540878904
Category : Computers
Languages : en
Pages : 361
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Book Description
This book constitutes the refereed proceedings of the 11th International ACM SIGSOFT Symposium on Component-Based Software Engineering, CBSE 2008, held in Karlsruhe, Germany in October 2008. The 20 revised full papers and 3 short papers presented were carefully reviewed and selected from 70 submissions. The papers feature new trends in global software services and distributed systems architectures to push the limits of established and tested component-based methods, tools and platforms. The papers are organized in topical sections on performance engineering; extra-functional properties: security and energy; formal methods and model checking; verification techniques; run-time infrastructures; methods of design and development; component models.
Author: Samarjit Chakraborty
Publisher: Springer Science & Business Media
ISBN: 3642243495
Category : Technology & Engineering
Languages : en
Pages : 354
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Book Description
This volume contains the lectures given in honor to Georg Färber as tribute to his contributions in the area of real-time and embedded systems. The chapters of many leading scientists cover a wide range of aspects, like robot or automotive vision systems or medical aspects.
Author: Erika Abraham
Publisher: Springer
ISBN: 3642548628
Category : Computers
Languages : en
Pages : 670
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Book Description
This book constitutes the proceedings of the 20th International Conference on Tools and Algorithms for the Construction and Analysis of Systems, TACAS 2014, which took place in Grenoble, France, in April 2014, as part of the European Joint Conferences on Theory and Practice of Software, ETAPS 2014. The total of 42 papers included in this volume, consisting of 26 research papers, 3 case study papers, 6 regular tool papers and 7 tool demonstrations papers, were carefully reviewed and selected from 161 submissions. In addition the book contains one invited contribution. The papers are organized in topical sections named: decision procedures and their application in analysis; complexity and termination analysis; modeling and model checking discrete systems; timed and hybrid systems; monitoring, fault detection and identification; competition on software verification; specifying and checking linear time properties; synthesis and learning; quantum and probabilistic systems; as well as tool demonstrations and case studies.
Author: Corina S Pasareanu
Publisher: Springer
ISBN: 3642358616
Category : Computers
Languages : en
Pages : 286
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Book Description
This book constitutes the revised selected papers of the 9th International Symposium on Formal Aspects of Component Software, FACS 2012, held in Mountain View, CA, USA in September 2012. The 16 full papers presented were carefully reviewed and selected from 40 submissions. They cover topics such as formal models for software components and their interaction; formal aspects of services, service oriented architectures, business processes, and cloud computing; design and verification methods for software components and services; composition and deployment: models, calculi, languages; formal methods and modeling languages for components and services; model based and GUI based testing of components and services; models for QoS and other extra-functional properties (e.g., trust, compliance, security) of components and services; components for real-time, safety-critical, secure, and/or embedded systems; industrial or experience reports and case studies; update and reconfiguration of component and service architectures; component systems evolution and maintenance; autonomic components and self-managed applications; formal and rigorous approaches to software adaptation and self-adaptive systems.
Author: Grace A. Lewis
Publisher: Springer
ISBN: 3642024149
Category : Computers
Languages : en
Pages : 284
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Book Description
The 2009 Symposium on Component-Based Software Engineering (CBSE 2009) was the 12thin a series ofsuccessful eventsthat havegrowninto the main forum for industrial and academic experts to discuss component technology. Component-based software engineering (CBSE) has emerged as the under- ing technology for the assembly of ?exible software systems. In essence, CBSE is about composing computational building blocks to construct larger building blocks that ful?ll client needs. Most software engineers are involved in some form of component-based development. Nonetheless, the implications of CBSE adoption are wide-reaching and its challenges grow in tandem with its uptake, continuing to inspire our scienti?c speculation. Component-based development necessarily involves elements of software - chitecture, modular software design, software veri?cation, testing, con?guration and deployment. This year’s submissions represent a cross-section of CBSE - search that touches upon all these aspects. The theoretical foundations of c- ponent speci?cation, composition, analysis, and veri?cation continue to pose research challenges. What exactly constitutes an adequate semantics for c- munication and composition so that bigger things can be built from smaller things? How can formal approaches facilitate predictable assembly through b- ter analysis? We have grouped the proceedings into two sub-themes that deal with these issues: component models and communication and composition. At the same time, the world is changing.
Author: Martin Wirsing
Publisher: Springer Science & Business Media
ISBN: 3540211799
Category : Computers
Languages : en
Pages : 368
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Book Description
This book constitutes the thoroughly refereed post-proceedings of the 9th International Workshop on Radical Innovations of Software and Systems Engineering in the Future, RISSEF 2002, held in Venice, Italy, in October 2002. The 24 revised full papers presented were carefully reviewed and selected from the 36 invited workshop presentations. The authors evaluate all major paradigms and conceptual issues in software and systems design and analysis, especially regarding their potential for modifications to cope with future needs.
