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Author Mari, Federico; Tronci, Enrico
Title CEGAR Based Bounded Model Checking of Discrete Time Hybrid Systems Type Conference Article
Year 2007 Publication Hybrid Systems: Computation and Control (HSCC 2007) Abbreviated Journal
Volume Issue Pages 399-412
Keywords Model Checking, Abstraction, CEGAR, SAT, Hybrid Systems, DTHS
Abstract Many hybrid systems can be conveniently modeled as Piecewise Affine Discrete Time Hybrid Systems PA-DTHS. As well known Bounded Model Checking (BMC) for such systems comes down to solve a Mixed Integer Linear Programming (MILP) feasibility problem. We present a SAT based BMC algorithm for automatic verification of PA-DTHSs. Using Counterexample Guided Abstraction Refinement (CEGAR) our algorithm gradually transforms a PA-DTHS verification problem into larger and larger SAT problems. Our experimental results show that our approach can handle PA-DTHSs that are more then 50 times larger than those that can be handled using a MILP solver.
Address
Corporate Author Thesis
Publisher Springer Place of Publication Editor Bemporad, A.; Bicchi, A.; Buttazzo, G.C.
Language Summary Language Original Title
Series Editor Series Title Lecture Notes in Computer Science Abbreviated Series Title
Series Volume 4416 Series Issue Edition
ISSN ISBN Medium
Area Expedition Conference
Notes Approved yes
Call Number (down) Sapienza @ mari @ MarTro07 Serial 92
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Author Mari, Federico; Melatti, Igor; Salvo, Ivano; Tronci, Enrico; Alvisi, Lorenzo; Clement, Allen; Li, Harry
Title Model Checking Nash Equilibria in MAD Distributed Systems Type Conference Article
Year 2008 Publication FMCAD '08: Proceedings of the 2008 International Conference on Formal Methods in Computer-Aided Design Abbreviated Journal
Volume Issue Pages 1-8
Keywords Model Checking, MAD Distributed System, Nash Equilibrium
Abstract We present a symbolic model checking algorithm for verification of Nash equilibria in finite state mechanisms modeling Multiple Administrative Domains (MAD) distributed systems. Given a finite state mechanism, a proposed protocol for each agent and an indifference threshold for rewards, our model checker returns PASS if the proposed protocol is a Nash equilibrium (up to the given indifference threshold) for the given mechanism, FAIL otherwise. We implemented our model checking algorithm inside the NuSMV model checker and present experimental results showing its effectiveness for moderate size mechanisms. For example, we can handle mechanisms which corresponding normal form games would have more than $10^20$ entries. To the best of our knowledge, no model checking algorithm for verification of mechanism Nash equilibria has been previously published.
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Publisher IEEE Press Place of Publication Piscataway, NJ, USA Editor Cimatti, A.; Jones, R.
Language Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 978-1-4244-2735-2 ISBN Medium
Area Expedition Conference
Notes Approved yes
Call Number (down) Sapienza @ mari @ MarMelSalTroAlvCle08 Serial 93
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Author Mari, Federico; Melatti, Igor; Salvo, Ivano; Tronci, Enrico
Title Undecidability of Quantized State Feedback Control for Discrete Time Linear Hybrid Systems Type Book Chapter
Year 2012 Publication Theoretical Aspects of Computing – ICTAC 2012 Abbreviated Journal
Volume Issue Pages 243-258
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Publisher Springer Berlin Heidelberg Place of Publication Editor Roychoudhury, A.; D'Souza, M.
Language Summary Language Original Title
Series Editor Series Title Lecture Notes in Computer Science Abbreviated Series Title
Series Volume 7521 Series Issue Edition
ISSN ISBN 978-3-642-32942-5 Medium
Area Expedition Conference
Notes Approved yes
Call Number (down) Sapienza @ mari @ Mari2012 Serial 99
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Author Böhm, Corrado; Piperno, Adolfo; Tronci, Enrico
Title Solving Equations in λ-calculus Type Conference Article
Year 1989 Publication Proc. of: Logic Colloquium 88 Abbreviated Journal
Volume Issue Pages
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Publisher Place of Publication Padova - Italy Editor
Language Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN ISBN Medium
Area Expedition Conference
Notes Approved yes
Call Number (down) Sapienza @ mari @ logic-colloquium-88 Serial 62
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Author Tronci, Enrico
Title Hardware Verification, Boolean Logic Programming, Boolean Functional Programming Type Conference Article
Year 1995 Publication Tenth Annual IEEE Symposium on Logic in Computer Science (LICS) Abbreviated Journal
Volume Issue Pages 408-418
Keywords
Abstract One of the main obstacles to automatic verification of finite state systems (FSSs) is state explosion. In this respect automatic verification of an FSS M using model checking and binary decision diagrams (BDDs) has an intrinsic limitation: no automatic global optimization of the verification task is possible until a BDD representation for M is generated. This is because systems and specifications are defined using different languages. To perform global optimization before generating a BDD representation for M we propose to use the same language to define systems and specifications. We show that first order logic on a Boolean domain yields an efficient functional programming language that can be used to represent, specify and automatically verify FSSs, e.g. on a SUN Sparc Station 2 we were able to automatically verify a 64 bit commercial multiplier.
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Publisher IEEE Computer Society Place of Publication San Diego, California Editor
Language Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN ISBN Medium
Area Expedition Conference
Notes Approved yes
Call Number (down) Sapienza @ mari @ lics95 Serial 56
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Author Tronci, Enrico
Title Equational Programming in lambda-calculus Type Conference Article
Year 1991 Publication Sixth Annual IEEE Symposium on Logic in Computer Science (LICS) Abbreviated Journal
Volume Issue Pages 191-202
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Publisher IEEE Computer Society Place of Publication Amsterdam, The Netherlands Editor
Language Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN ISBN Medium
Area Expedition Conference
Notes Approved yes
Call Number (down) Sapienza @ mari @ lics91 Serial 58
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Author Böhm, Corrado; Tronci, Enrico
Title X-Separability and Left-Invertibility in lambda-calculus Type Conference Article
Year 1987 Publication Symposium on Logic in Computer Science (LICS) Abbreviated Journal
Volume Issue Pages 320-328
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Publisher IEEE Computer Society Place of Publication Ithaca, New York, USA Editor
Language Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN ISBN Medium
Area Expedition Conference
Notes Approved yes
Call Number (down) Sapienza @ mari @ lics87 Serial 63
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Author Martinelli, Marco; Tronci, Enrico; Dipoppa, Giovanni; Balducelli, Claudio
Title Electric Power System Anomaly Detection Using Neural Networks Type Conference Article
Year 2004 Publication 8th International Conference on: Knowledge-Based Intelligent Information and Engineering Systems (KES) Abbreviated Journal
Volume Issue Pages 1242-1248
Keywords
Abstract The aim of this work is to propose an approach to monitor and protect Electric Power System by learning normal system behaviour at substations level, and raising an alarm signal when an abnormal status is detected; the problem is addressed by the use of autoassociative neural networks, reading substation measures. Experimental results show that, through the proposed approach, neural networks can be used to learn parameters underlaying system behaviour, and their output processed to detecting anomalies due to hijacking of measures, changes in the power network topology (i.e. transmission lines breaking) and unexpected power demand trend.
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Publisher Springer Place of Publication Wellington, New Zealand Editor Negoita, M.G.; Howlett, R.J.; Jain, L.C.
Language Summary Language Original Title
Series Editor Series Title Lecture Notes in Computer Science Abbreviated Series Title
Series Volume 3213 Series Issue Edition
ISSN 3-540-23318-0 ISBN Medium
Area Expedition Conference
Notes Approved yes
Call Number (down) Sapienza @ mari @ kes04 Serial 35
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Author Cesta, Amedeo; Finzi, Alberto; Fratini, Simone; Orlandini, Andrea; Tronci, Enrico
Title Validation and Verification Issues in a Timeline-based Planning System Type Conference Article
Year 2008 Publication In E-Proc. of ICAPS Workshop on Knowledge Engineering for Planning and Scheduling Abbreviated Journal
Volume Issue Pages
Keywords
Abstract One of the key points to take into account to foster effective introduction of AI planning and scheduling systems in real world is to develop end user trust in the related technologies. Automated planning and scheduling systems often brings solutions to the users which are neither “obviousÃ¢â‚¬Âť nor immediately acceptable for them. This is due to the ability of these tools to take into account quite an amount of temporal and causal constraints and to employ resolution processes often designed to optimize the solution with respect to non trivial evaluation functions. To increase technology trust, the study of tools for verifying and validating plans and schedules produced by AI systems might be instrumental. In general, validation and verification techniques represent a needed complementary technology in developing domain independent architectures for automated problem solving. This paper presents a preliminary report of the issues concerned with the use of two software tools for formal verification of finite state systems to the validation of the solutions produced by MrSPOCK, a recent effort for building a timeline based planning tool in an ESA project.
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Publisher Place of Publication Editor
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Notes Approved yes
Call Number (down) Sapienza @ mari @ Keps08 Serial 25
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Author Bobbio, Andrea; Ciancamerla, Ester; Minichino, Michele; Tronci, Enrico
Title Functional analysis of a telecontrol system and stochastic measures of its GSM/GPRS connections Type Journal Article
Year 2005 Publication Archives of Transport – International Journal of Transport Problems Abbreviated Journal
Volume 17 Issue 3-4 Pages
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Notes Approved yes
Call Number (down) Sapienza @ mari @ jtp05 Serial 31
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