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| Author | : Bengi Karaçalı |
| Publisher | : |
| Total Pages | : 294 |
| Release | : 2000 |
| Genre | : Parallel processing (Electronic computers) |
| ISBN | : |
| Author | : Kadir Ozdemir |
| Publisher | : |
| Total Pages | : 334 |
| Release | : 1995 |
| Genre | : Computer network protocols |
| ISBN | : |
Simultaneous product method is proposed for verifying general safety properties of finite-state concurrent programs. In this method, a concurrent program is specified as a collection of processes represented by finite automata on finite words and the concurrent behavior of these processes is defined by usual operational semantics (CSP-style): actions that appear in several processes are synchronized, others are interleaved. Verification problem is formulated in the framework of automata-theoretic model-checking where the negation of a safety property is convened to a finite automaton on finite words and then an automaton is obtained by taking the simultaneous product of the automata representing processes and the automaton representing the negation of a safety property. We prove that any safety property for a finite-state concurrent program can be efficiently verified by using simultaneous product method.
| Author | : Johannes J. M. Van der Schoot |
| Publisher | : |
| Total Pages | : 396 |
| Release | : 1999 |
| Genre | : Computer software |
| ISBN | : |
| Author | : Sarah Louise Hickmott |
| Publisher | : |
| Total Pages | : 370 |
| Release | : 2008 |
| Genre | : |
| ISBN | : |
| Author | : Klaus Havelund |
| Publisher | : Springer |
| Total Pages | : 353 |
| Release | : 2006-12-31 |
| Genre | : Computers |
| ISBN | : 3540452974 |
The SPIN workshop is a forum for researchers interested in the subject of automata-based, explicit-state model checking technologies for the analysis and veri?cation of asynchronous concurrent and distributed systems. The SPIN - del checker (http://netlib.bell-labs.com/netlib/spin/whatispin.html), developed by Gerard Holzmann, is one of the best known systems of this kind, and has attracted a large user community. This can likely be attributed to its e?cient state exploration algorithms. The fact that SPIN’s modeling language, Promela, resembles a programming language has probably also contributed to its success. Traditionally, the SPIN workshops present papers on extensions and uses of SPIN. As an experiment, this year’s workshop was broadened to have a slightly wider focus than previous workshops in that papers on software veri?cation were encouraged. Consequently, a small collection of papers describe attempts to analyze and verify programs written in conventional programming languages. Solutions include translations from source code to Promela, as well as specially designed model checkers that accept source code. We believe that this is an - teresting research direction for the formal methods community, and that it will result in a new set of challenges and solutions. Of course, abstraction becomes the key solution to deal with very large state spaces. However, we also see - tential for integrating model checking with techniques such as static program analysis and testing. Papers on these issues have therefore been included in the proceedings.
| Author | : Ryszard Janicki |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 487 |
| Release | : 2012-12-06 |
| Genre | : Computers |
| ISBN | : 3642773370 |
Concurrent systems abound in human experience but their fully adequate conceptualization as yet eludes our most able thinkers. The COSY (ConcurrentSystem) notation and theory was developed in the last decade as one of a number of mathematical approaches for conceptualizing and analyzing concurrent and reactive systems. The COSY approach extends theconventional notions of grammar and automaton from formal language and automata theory to collections of "synchronized" grammars and automata, permitting system specification and analysis of "true" concurrency without reduction to non-determinism. COSY theory is developed to a great level of detail and constitutes the first uniform and self-contained presentationof all results about COSY published in the past, as well as including many new results. COSY theory is used to analyze a sufficient number of typical problems involving concurrency, synchronization and scheduling, to allow the reader to apply the techniques presented tosimilar problems. The COSY model is also related to many alternative models of concurrency, particularly Petri Nets, Communicating Sequential Processes and the Calculus of Communicating Systems.
| Author | : Giorgio Delzanno |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 255 |
| Release | : 2011-09-19 |
| Genre | : Computers |
| ISBN | : 3642242871 |
This book constitutes the refereed proceedings of the 5th International Workshop on Reachability Problems, RP 2011, held in Genoa, Italy, in September 2011. The 16 papers presented together with 4 invited talks were carefully reviewed and selected from 24 submissions. The workshop deals with reachability problems that appear in algebraic structures, computational models, hybrid systems, logic, and verification. Reachability is a fundamental problem that appears in several different contexts: finite- and infinite-state concurrent systems, computational models like cellular automata and Petri nets, decision procedures for classical, modal and temporal logic, program analysis, discrete and continuous systems, time critical systems, and open systems modelled as games.
| Author | : Charles Rattray |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 620 |
| Release | : 2013-11-11 |
| Genre | : Computers |
| ISBN | : 1447135342 |
This volume contains papers presented at the BCS-FACS Workshop on Specification and Verification of Concurrent Systems held on 6-8 July 1988, at the University of Stirling, Scotland. Specification and verification techniques are playing an increasingly important role in the design and production of practical concurrent systems. The wider application of these techniques serves to identify difficult problems that require new approaches to their solution and further developments in specification and verification. The Workshop aimed to capture this interplay by providing a forum for the exchange of the experience of academic and industrial experts in the field. Presentations included: surveys, original research, practical experi ence with methods, tools and environments in the following or related areas: Object-oriented, process, data and logic based models and specifi cation methods for concurrent systems Verification of concurrent systems Tools and environments for the analysis of concurrent systems Applications of specification languages to practical concurrent system design and development. We should like to thank the invited speakers and all the authors of the papers whose work contributed to making the Workshop such a success. We were particularly pleased with the international response to our call for papers. Invited Speakers Pierre America Philips Research Laboratories University of Warwick Professor M. Joseph David Freestone British Telecom Organising Committee Charles Rattray Dr Muffy Thomas Dr Simon Jones Dr John Cooke Professor Ken Turner Derek Coleman Maurice Naftalin Dr Peter Scharbach vi Preface We would like to aeknowledge the finaneial eontribution made by SD-Sysems Designers pie, Camberley, Surrey.
| Author | : |
| Publisher | : |
| Total Pages | : |
| Release | : 2002 |
| Genre | : |
| ISBN | : |
An asynchronous message-passing program consists of concurrent processes that interact with each other by the exchange of messages. Many network protocols and distributed applications are asynchronous message-passing programs. This dissertation investigates techniques to ensure correctness of asynchronous message-passing programs. Reachability analysis has been a successful approach to verifying concurrent programs. Existing reachability analysis techniques for asynchronous message-passing programs assume causal communication, which means that messages sent to a destination are received in the order they are sent. In the first part of this dissertation, we propose a new reachability analysis approach, called blocking-based simultaneous reachability analysis (BSRA), for asynchronous message-passing programs based on any communication scheme. We describe an algorithm for generating BSRA-based reachability graphs and show that this algorithm guarantees the detection of deadlocks. Empirical results indicate that BSRA significantly reduces the number of states in reachability graphs. The second part of this dissertation deals with a new concept of testing concurrent programs, namely reachability testing. Let P be an asynchronous message-passing program, and X an input of P. Assume that every execution of P with X terminates. Reachability testing of P with X is to execute, in a systematic manner, all possible synchronization sequences (or SYN-sequences) of P with X such that the correctness of P with X can be determined. The main challenge of reachability testing is to derive race variants of SYN-sequences. We develop a formal approach to computing race variants of SYN-sequences consisting of send and receive events. We describe an efficient reachability testing algorithm for asynchronous message-passing programs. In the third part of this dissertation, we propose a new test generation strategy, called In-Parameter-Order (or IPO), for pairwise testing. Pairwise testing re.
| Author | : |
| Publisher | : |
| Total Pages | : 800 |
| Release | : 2008 |
| Genre | : Dissertations, Academic |
| ISBN | : |
