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Our criterion is evaluated by model-checking a set of subsystems of the overall large system. If satisfied in small subsystems, it implies deadlock-freedom of ... Keywords: completeness, nondeterminism, Alternation 2 November 2017 Formal Aspects of Computing: Volume 29 Issue 6, November 2017 Publisher: Springer-Verlag Bibliometrics: Citation Count: 0 This paper addresses the monitoring of logic-independent linear-time user-provided properties in multi-threaded component-based systems. We consider intrinsically independent components that can be executed concurrently with a centralized coordination for multiparty interactions. In this context, the problem that arises is that a global state of the system is not available to ... 3 June 2016 IFM 2016: Proceedings of the 12th International Conference on Integrated Formal Methods - Volume 9681 Publisher: Springer-Verlag New York, Inc. Bibliometrics: Citation Count: 0 This paper addresses the monitoring of logic-independent linear-time user-provided properties on multi-threaded component-based systems. We consider intrinsically independent components that can be executed concurrently with a centralized coordination for multiparty interactions. In this context, the problem that arises is that a global state of the system is not available to ... 4 May 2016 Software and Systems Modeling (SoSyM): Volume 15 Issue 2, May 2016 Publisher: Springer-Verlag New York, Inc. Bibliometrics: Citation Count: 1 We propose invariant-based techniques for the efficient verification of safety and deadlock-freedom properties of component-based systems. Components and their interactions are described in the BIP language. Global invariants of composite components are obtained by combining local invariants of their constituent components with interaction invariants that take interactions into account. We ... Keywords: Component-based systems, Incremental design, Invariant, Verification method, BIP, Deadlock-freedom, Verification tools 5 April 2016 Proceedings of the 22nd International Conference on Tools and Algorithms for the Construction and Analysis of Systems - Volume 9636 Publisher: Springer-Verlag New York, Inc. Bibliometrics: Citation Count: 0 In this paper we present RTD-Finder, a tool which applies a fully compositional and automatic method for the verification of safety properties for real-time component-based systems modeled in the RT-BIP language. The core method is based on the compositional computation of a global invariant which over-approximates the set of reachable ... 6 March 2016 ACM Transactions on Embedded Computing Systems (TECS) - Special Issue on Innovative Design, Special Issue on MEMOCODE 2014 and Special Issue on M2M/IOT: Volume 15 Issue 2, May 2016 Publisher: ACM Bibliometrics: Citation Count: 0 Downloads (6 Weeks): 3,   Downloads (12 Months): 34,   Downloads (Overall): 118 Full text available: PDF Building abstract system-level models that faithfully capture performance and functional behavior for embedded systems design is challenging. Unlike functional aspects, performance details are rarely available during the early design phases, and no clear method is known to characterize them. Moreover, once such models are built, they are inherently complex as ... Keywords: model-based design, performance evaluation, Many-cores 7 January 2016 Essays Dedicated to Frank de Boer on Theory and Practice of Formal Methods - Volume 9660 Publisher: Springer-Verlag New York, Inc. Bibliometrics: Citation Count: 1 The increase of complexity in modelling systems and the chances of success when model-checking them tend to be inversely proportional. This mere observation justifies plainly the need to investigate alternative ways for verification. In this paper we present such an alternative which uses a compositional verification rule. The basic idea ... 8 October 2015 FACS 2015: Revised Selected Papers of the 12th International Conference on Formal Aspects of Component Software - Volume 9539 Publisher: Springer-Verlag New York, Inc. Bibliometrics: Citation Count: 0 This paper proposes a framework that automatically checks and configures data security in Web Services starting from high level business requirements. We consider BPEL-based composed Web Services. BPEL processes and initial security parameters are represented as component-based models labeled with security annotations. These models are formal and enable automated analysis ... Keywords: Component-based systems, Information flow security, Non-interference, Automated verification, Dependency flow graph 9 August 2015 HPCC-CSS-ICESS '15: Proceedings of the 2015 IEEE 17th International Conference on High Performance Computing and Communications, 2015 IEEE 7th International Symposium on Cyberspace Safety and Security, and 2015 IEEE 12th International Conf on Embedded Software and Systems Publisher: IEEE Computer Society Bibliometrics: Citation Count: 0 Modern safety-critical systems, such as avionics, tend to be mixed-critical, because integration of different tasks with different assurance requirements can effectively reduce their costs in terms of hardware, at the risk, however to increase the costs for certification, in particular in the context of proving their schedulability. To simplify the ... 10 April 2015 ISORCW '15: Proceedings of the 2015 IEEE International Symposium on Object/Component/Service-Oriented Real-Time Distributed Computing Workshops Publisher: IEEE Computer Society Bibliometrics: Citation Count: 0 Various models of computation for multi-core time-critical systems have been proposed in the literature, but there is a significant gap between the models of computation and the real-time scheduling and analysis techniques, that makes timing validation challenging. To overcome this difficulty, we represent both the models of computation and the ... Keywords: Middleware, Time-Critical, Multicore, Code generation, timed-automata 11 April 2015 ISORC '15: Proceedings of the 2015 IEEE 18th International Symposium on Real-Time Distributed Computing Publisher: IEEE Computer Society Bibliometrics: Citation Count: 0 The real-time system design targeting multiprocessor platforms leads to two important complications in real-time scheduling. First, to ensure deterministic processing by communicating tasks the scheduling has to consider precedence constraints. The second complication factor is mixed criticality, i.e., Integration upon a single platform of various subsystems where some are safety-critical ... Keywords: Mixed-Criticality, Scheduling, Real-Time, Jobs, Precedence, Multiprocessor 12 April 2015 International Journal on Software Tools for Technology Transfer (STTT): Volume 17 Issue 2, April 2015 Publisher: Springer-Verlag Bibliometrics: Citation Count: 4 Behavior---interaction---priority (BIP) is a component-based framework supporting rigorous design of embedded systems. BIP supports incremental design of large systems from atomic components that communicate via connectors and whose interactions can be described with a powerful algebra. This paper presents SBIP, an extension of BIP for stochastic systems. SBIP offers the ... Keywords: Component-based design, Statistical model checking, Experiments, Stochastic systems 13 March 2015 DATE '15: Proceedings of the 2015 Design, Automation & Test in Europe Conference & Exhibition Publisher: EDA Consortium Bibliometrics: Citation Count: 0 Downloads (6 Weeks): 3,   Downloads (12 Months): 11,   Downloads (Overall): 40 Full text available: PDF With the proliferation of multi-cores in embedded real-time systems, many industrial applications are being (re-)targeted to multiprocessor platforms. However, exactly reproducible data values at the outputs as function of the data and timing of the inputs is less trivial to realize in multiprocessors, while it can be imperative for various ... 14 February 2015 Science of Computer Programming: Volume 98 Issue P2, February 2015 Publisher: Elsevier North-Holland, Inc. Bibliometrics: Citation Count: 0 Using high level coordination primitives allows enhanced expressiveness of component-based frameworks to cope with the inherent complexity of present-day systems designs. Nonetheless, their distributed implementation raises multiple issues, regarding both the correctness and the runtime performance of the final implementation. We propose a novel approach for distributed implementation of multiparty ... Keywords: Observation, Multiparty interaction, Priority, Conflict resolution, Distributed systems 15 February 2015 Software and Systems Modeling (SoSyM): Volume 14 Issue 1, February 2015 Publisher: Springer-Verlag New York, Inc. Bibliometrics: Citation Count: 3 Verification of component-based systems still suffers from limitations such as state space explosion since a large number of different components may interact in a heterogeneous environment. These limitations entail the need for complementary verification methods such as runtime verification . Runtime verification is a dynamic analysis technique and is prone ... Keywords: Component-based systems, Formal methods, Instrumentation, Runtime verification 16 October 2014 Part I of the Proceedings of the 6th International Symposium on Leveraging Applications of Formal Methods, Verification and Validation. Technologies for Mastering Change - Volume 8802 Publisher: Springer-Verlag New York, Inc. Bibliometrics: Citation Count: 1 We currently lack rigorous approaches for modeling and implementing complex systems. BIP Behavior, Interaction, Priority is a component-based framework intended to rigorous system design. It relies on single semantic model for system descriptions all along the design flow. It also includes methods and tools for guaranteeing system correctness to avoid ... 17 June 2014 CBSE '14: Proceedings of the 17th international ACM Sigsoft symposium on Component-based software engineering Publisher: ACM Bibliometrics: Citation Count: 1 Downloads (6 Weeks): 5,   Downloads (12 Months): 15,   Downloads (Overall): 53 Full text available: PDF We consider two approaches for building component-based systems, which we call respectively architecture-based and architecture-agnostic. The former consists in describing coordination constraints in a purely declarative manner through parametrizable glue operators; it provides higher abstraction level and, consequently, stronger correctness by construction. The latter uses simple fixed coordination primitives, which ... Keywords: interaction expressions, top/bottom component model, connectors, bip, data transfer, architecture internalisation 18 January 2014 VMCAI 2014: Proceedings of the 15th International Conference on Verification, Model Checking, and Abstract Interpretation - Volume 8318 Publisher: Springer-Verlag New York, Inc. Bibliometrics: Citation Count: 0 This paper proves the NP-completeness of the reachability problem for the class of flat counter machines with difference bounds and, more generally, octagonal relations, labeling the transitions on the loops. The proof is based on the fact that the sequence of powers $\{R^i\}_{i=1}^\infty$ of such relations can be encoded as ... 19 July 2013 ECRTS '13: Proceedings of the 2013 25th Euromicro Conference on Real-Time Systems Publisher: IEEE Computer Society Bibliometrics: Citation Count: 2 Using the advances of the modern microelectronics technology, the safety-critical systems, such as avionics, can reduce their costs by integrating multiple tasks on one device. This makes such systems essentially mixed-critical, as this brings together different tasks whose safety assurance requirements may differ significantly. In the context of mixed-critical scheduling ... 20 July 2013 ACSD '13: Proceedings of the 2013 13th International Conference on Application of Concurrency to System Design Publisher: IEEE Computer Society Bibliometrics: Citation Count: 2 Invariants generation has been intensively considered as an effective verification method for concurrent systems. However, none of the existing work on the topic strongly exploits the structure of the system and the algebra that defines the interactions between its components. This not only has an impact on the computation time, ... Keywords: component-based systems, model-checking, invariants generation, linear algebra