[PDF] [2009] Formal Modeling and Analysis of Timed Systems, 7th

DOWNLOAD MORE EBOOKS, MAGAZINES, & PDFS: http://buyabook.ws/download-ebooks-magazines-pdfs-more/ BOOK INFO: This book constitutes the refereed proceedings of the 7th International Conference on Formal Modeling and Analysis of Timed Systems, FORMATS 2009, held in Budapest, Hungary, September 2009. The 18 revised full papers presented together with 4 invited talks were carefully reviewed and selected from 40 submissions. The aim of FORMATS is to promote the study of fundamental and practical aspects of timed systems, and to bring together researchers from different disciplines that share interests in the modelling and analysis of timed systems.Typical topics include (but are not limited to): Foundations and Semantics. Theoretical foundations of timed systems and languages; comparison between different models (timed automata, timed Petri nets, hybrid automata, timed process algebra, max-plus algebra, probabilistic models), methods and Tools. Techniques, algorithms, data structures, and software tools for analyzing timed systems and resolving temporal constraints (scheduling, worst-case execution time analysis, optimization, model checking, testing, constraint solving, etc.), applications. Adaptation and specialization of timing technology in application domains in which timing plays an important role (real-time software, hardware circuits, and problems of scheduling in manufacturing and telecommunication). Table of Contents Tapas: Theory Combinations and Practical Applications Introduction Empanadas: SMT Boquerones: Dynamic Symbolic Execution – An Application Chopitos: 9 Other Applications, Enabling Features, Challenges and Directions Conclusion Max-plus Algebraic Tools for Discrete Event Systems, Static Analysis, and Zero-Sum Games Approximations of Discrete, Continuous, and Hybrid Systems Volume and Entropy of Regular Timed Languages: Analytic Approach Introduction Problem Statement Geometry, Volume and Entropy of Timed Languages Three Examples A Subclass of Timed Automata Preprocessing Timed Automata Computing Volumes Operator Approach The Functional Space of a TA Volumes Revisited Exploring the Operator Main Theorem Computing the Entropy Case of ``11/2 Clock'' Automata General Case Conclusions and Further Work Synthesis of Non-Interferent Timed Systems Introduction Preliminaries Non-Interference Synthesis Problem Algorithms for the Synthesis Problems Preliminary Remarks Algorithms for SNNI-CP and SNNI-CSP Conclusion and Future Work Critical Paths in the Partial Order Unfolding of a Stochastic Petri Net Introduction Petri Nets Adding Time and Probability Definitions and Assumptions Occurrence of an Event Probability of Occurrence Critical Chains in Occurrence Nets When Is a Critical for b? Critical Events for a Given Configuration and Given Timings Computation of the Criticality Probability Criticality of a Component in a Workflow Conclusion and Outlook Speeding Up Model Checking of Timed-Models by Combining Scenario Specialization and Live Component Analysis Introduction Motivating Case Study Live Component Analysis Describing Properties Using VTS Visual Timed Scenarios Existential Scenarios Conditional Scenarios Scenario Specialization and Optimization Method Optimization Method Case Studies Analysis and Verification Results Related Work Conclusions and Ongoing Work Efficient on-the-fly Algorithm for Checking Alternating Timed Simulation Introduction Timed Games and Preliminaries Timed Automata Symbolic Operations on Clock Valuations ATCTL Timed Games Playing Games with Timed Games Weak Alternating Simulation Simulation Checking Game Handling Forced Transitions Handling Unobservable Transitions Experimental Results Conclusion Model Checking Logic WCTL with Multi Constrained Modalities on One Clock Priced Timed Automata Introduction Preliminaries Granularity Granularity Upper Bound Tightness of the Upper Bound Decidability in the Absence of Edge Costs Construction of Graph Formation of Linear Program Bound on the Length of Paths The Proof of Decidability Complexity Analysis Decidability in the Presence of Edge Costs Future Work, Remarks and Conclusion Safe Runtime Verification of Real-Time Properties Introduction Background Duration Calculus Counterexample Traces Stretch and Compress Truth Preservation Time Transforms Duration Calculus and Time Transforms Duration Formulae under the Effect of Time Transforms Counterexample Traces Summary of Results Case Study Related Work Conclusions Removing All Silent Transitions from Timed Automata Introduction Timed Automata with Reset Point Semantics Removing a Subautomaton with -Transitions Representing Reachability Relations on Reset Times in ORDL Impossibility of Removing -Transitions without Generalized Updates Conclusions Realizability of Real-Time Logics Introduction Preliminaries ECL Realizability Is Undecidable Positive Result on LTL $\triangleleft$ Discussion Revisiting Decidability and Optimum Reachability for Multi-Priced Timed Automata Introduction and Related Work Multi- Priced Timed Automata (MPTA) Encoding of Stop-Watch Automata Using Bounded MPTA Optimum Cost Reachability for MPTA under Cost-Charging Quasi-Cycles Conclusion and Future Research Analyzing Real-Time Event-Driven Programs Introduction The Computational Models Programming Model Two Counter Machines The Reduction The Proof of Correctness Proof Discussion A Compositional Translation of Timed Automata with Deadlines to Uppaal Timed Automata Introduction Timed Automata with Deadlines Timed Automata in Uppaal Translating TAD Networks to Uppaal TA Networks The Translation in Examples The Translation, Formally Verification The TAD2TA Tool Conclusions Compositional Abstraction for Stochastic Systems Introduction Preliminaries Abstract Interactive Markov Chains Nondeterminism Composing AIMCs Abstraction Timed Reachability Conclusion Stochastic Games for Verification of Probabilistic Timed Automata Introduction Markov Decision Processes and Stochastic Games Probabilistic Timed Automata Forwards Reachability for PTAs MDP-Based Forwards Reachability Game-Based Forwards Reachability Abstraction Refinement Experimental Results Conclusions Checking Timed Büchi Automata Emptiness Using LU-Abstractions Introduction Timed Büchi Automata Symbolic Semantics and Zone-Based Abstractions Checking the Emptiness of TBA Using Zone-Based Abstractions Experimental Comparisons of LU-Extrapolation and k-Extrapolation Comparison with Profounder Conclusion On the Supports of Recognizable Timed Series Introduction Preliminaries Supports of Recognizable Timed Series The Empty Support Problem for Fields Timed Cut Languages Conclusion and Further Research Machine-Assisted Parameter Synthesis of the Biphase Mark Protocol Using Event Order Abstraction Introduction Why Is the Biphase Mark Protocol Especially Challenging? Event Order Abstraction Approach Time-Interval Automata Specifying Event Orders Timing-Parameter Synthesis Using EOA Case Study: The Biphase Mark Protocol Modeling BMP in the TIA Framework Parameter Constraint Synthesis of BMP Using EOA Related Work and Comparison of Approaches Conclusion Exploiting Timed Automata for Conformance Testing of Power Measurements Introduction Main Ideas Foundations Computational Efficiency Bounded Power Consumption of Composed HW Modes Power Trace Automaton PT A Sensor Node Case Study Experimental Setup Modeling the Harvester Power Trace-Based Testing Results of the Case Study Related Work Conclusions Author Index

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