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Author |
Bobbio, Andrea; Bologna, Sandro; Minichino, Michele; Ciancamerla, Ester; Incalcaterra, Piero; Kropp, Corrado; Tronci, Enrico |
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Title |
Advanced techniques for safety analysis applied to the gas turbine control system of Icaro co generative plant |
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Conference Article |
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Year |
2001 |
Publication  |
X Convegno Tecnologie e Sistemi Energetici Complessi |
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339-350 |
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The paper describes two complementary and integrable approaches, a probabilistic one and a deterministic one, based on classic and advanced modelling techniques for safety analysis of complex computer based systems. The probabilistic approach is based on classical and innovative probabilistic analysis methods. The deterministic approach is based on formal verification methods. Such approaches are applied to the gas turbine control system of ICARO co generative plant, in operation at ENEA CR Casaccia. The main difference between the two approaches, behind the underlining different theories, is that the probabilistic one addresses the control system by itself, as the set of sensors, processing units and actuators, while the deterministic one also includes the behaviour of the equipment under control which interacts with the control system. The final aim of the research, documented in this paper, is to explore an innovative method which put the probabilistic and deterministic approaches in a strong relation to overcome the drawbacks of their isolated, selective and fragmented use which can lead to inconsistencies in the evaluation results. |
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Genova, Italy |
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yes |
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Call Number |
Sapienza @ mari @ tesec01 |
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65 |
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Author |
Pugliese, Rosario; Tronci, Enrico |
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Title |
Automatic Verification of a Hydroelectric Power Plant |
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Conference Article |
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Year |
1996 |
Publication |
Third International Symposium of Formal Methods Europe (FME), Co-Sponsored by IFIP WG 14.3 |
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425-444 |
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We analyze the specification of a hydroelectric power plant by ENEL (the Italian Electric Company). Our goal is to show that for the specification of the plant (its control system in particular) some given properties hold. We were provided with an informal specification of the plant. From such informal specification we wrote a formal specification using the CCS/Meije process algebra formalism. We defined properties using μ-calculus. Automatic verification was carried out using model checking. This was done by translating our process algebra definitions (the model) and μ-calculus formulas into BDDs. In this paper we present the informal specification of the plant, its formal specification, some of the properties we verified and experimental results. |
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Springer |
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Oxford, UK |
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Gaudel, M.-C.; Woodcock, J. |
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Lecture Notes in Computer Science |
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Series Volume |
1051 |
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3-540-60973-3 |
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yes |
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Call Number |
Sapienza @ mari @ fme96 |
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53 |
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Author |
Della Penna, Giuseppe; Intrigila, Benedetto; Melatti, Igor; Tronci, Enrico; Venturini Zilli, Marisa |
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Title |
Finite Horizon Analysis of Stochastic Systems with the Mur$\varphi$ Verifier |
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Conference Article |
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2003 |
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Theoretical Computer Science, 8th Italian Conference, ICTCS 2003, Bertinoro, Italy, October 13-15, 2003, Proceedings |
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58-71 |
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Many reactive systems are actually Stochastic Processes. Automatic analysis of such systems is usually very difficult thus typically one simplifies the analysis task by using simulation or by working on a simplified model (e.g. a Markov Chain). We present a Finite Horizon Probabilistic Model Checking approach which essentially can handle the same class of stochastic processes of a typical simulator. This yields easy modeling of the system to be analyzed together with formal verification capabilities. Our approach is based on a suitable disk based extension of the Mur$\varphi$ verifier. Moreover we present experimental results showing effectiveness of our approach. |
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Springer |
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Blundo, C.; Laneve, C. |
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Lecture Notes in Computer Science |
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Series Volume |
2841 |
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3-540-20216-1 |
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yes |
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Call Number |
Sapienza @ mari @ DIMTZ03c |
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90 |
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Author |
Tronci, Enrico |
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Title |
Equational Programming in Lambda-Calculus via SL-Systems. Part 1 |
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Journal Article |
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Year |
1996 |
Publication |
Theoretical Computer Science |
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160 |
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1&2 |
Pages |
145-184 |
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yes |
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Call Number |
Sapienza @ mari @ tcs96 |
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54 |
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Author |
Tronci, Enrico |
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Title |
Equational Programming in Lambda-Calculus via SL-Systems. Part 2 |
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Journal Article |
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1996 |
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Theoretical Computer Science |
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160 |
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1&2 |
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185-216 |
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yes |
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Call Number |
Sapienza @ mari @ tcs96a |
Serial |
55 |
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Author |
Mari, Federico; Melatti, Igor; Salvo, Ivano; Tronci, Enrico |
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Title |
Undecidability of Quantized State Feedback Control for Discrete Time Linear Hybrid Systems |
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Book Chapter |
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2012 |
Publication |
Theoretical Aspects of Computing – ICTAC 2012 |
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243-258 |
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Springer Berlin Heidelberg |
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Roychoudhury, A.; D'Souza, M. |
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Lecture Notes in Computer Science |
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7521 |
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978-3-642-32942-5 |
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yes |
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Call Number |
Sapienza @ mari @ Mari2012 |
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99 |
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Author |
Cesta, Amedeo; Finzi, Alberto; Fratini, Simone; Orlandini, Andrea; Tronci, Enrico |
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Title |
Validation and verification issues in a timeline-based planning system |
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Journal Article |
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2010 |
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The Knowledge Engineering Review |
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25 |
Issue |
03 |
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299-318 |
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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 “obvious†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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Cambridge University Press |
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yes |
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Call Number |
Sapienza @ mari @ Cffot10 |
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18 |
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Author |
Tronci, Enrico |
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Title |
Hardware Verification, Boolean Logic Programming, Boolean Functional Programming |
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Conference Article |
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Year |
1995 |
Publication |
Tenth Annual IEEE Symposium on Logic in Computer Science (LICS) |
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408-418 |
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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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IEEE Computer Society |
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San Diego, California |
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yes |
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Call Number |
Sapienza @ mari @ lics95 |
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56 |
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Author |
Böhm, Corrado; Tronci, Enrico |
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Title |
X-Separability and Left-Invertibility in lambda-calculus |
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Conference Article |
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1987 |
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Symposium on Logic in Computer Science (LICS) |
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320-328 |
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IEEE Computer Society |
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Ithaca, New York, USA |
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yes |
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Sapienza @ mari @ lics87 |
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63 |
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Author |
Tronci, Enrico |
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Title |
Introductory Paper |
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Journal Article |
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Year |
2006 |
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Sttt |
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Volume |
8 |
Issue |
4-5 |
Pages |
355-358 |
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In today’s competitive market designing of digital systems (hardware as well as software) faces tremendous challenges. In fact, notwithstanding an ever decreasing project budget, time to market and product lifetime, designers are faced with an ever increasing system complexity and customer expected quality. The above situation calls for better and better formal verification techniques at all steps of the design flow. This special issue is devoted to publishing revised versions of contributions first presented at the 12th Advanced Research Working Conference on Correct Hardware Design and Verification Methods (CHARME) held 21–24 October 2003 in L’Aquila, Italy. Authors of well regarded papers from CHARME’03 were invited to submit to this special issue. All papers included here have been suitably extended and have undergone an independent round of reviewing. |
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yes |
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Call Number |
Sapienza @ mari @ sttt06 |
Serial |
30 |
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