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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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1996 |
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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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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 |
Tronci, Enrico |
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Title |
Equational Programming in Lambda-Calculus via SL-Systems. Part 1 |
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Year |
1996 |
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Theoretical Computer Science |
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160 |
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1&2 |
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145-184 |
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yes |
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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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Year |
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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Sapienza @ mari @ tcs96a |
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55 |
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Author |
Tronci, Enrico |
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Title |
Optimal Finite State Supervisory Control |
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1996 |
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CDC '96: Proceedings of the 35th IEEE International Conference on Decision and Control |
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Supervisory Controllers are Discrete Event Dynamic Systems (DEDSs) forming the discrete core of a Hybrid Control System. We address the problem of automatic synthesis of Optimal Finite State Supervisory Controllers (OSCs). We show that Boolean First Order Logic (BFOL) and Binary Decision Diagrams (BDDs) are an effective methodological and practical framework for Optimal Finite State Supervisory Control. Using BFOL programs (i.e. systems of boolean functional equations) and BDDs we give a symbolic (i.e. BDD based) algorithm for automatic synthesis of OSCs. Our OSC synthesis algorithm can handle arbitrary sets of final states as well as plant transition relations containing loops and uncontrollable events (e.g. failures). We report on experimental results on the use of our OSC synthesis algorithm to synthesize a C program implementing a minimum fuel OSC for two autonomous vehicles moving on a 4 x 4 grid. |
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IEEE Computer Society |
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Washington, DC, USA |
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yes |
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Call Number |
Sapienza @ mari @ cdc96 |
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67 |
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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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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 |
Tronci, Enrico |
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Title |
Defining Data Structures via Böhm-Out |
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Journal Article |
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Year |
1995 |
Publication |
J. Funct. Program. |
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5 |
Issue |
1 |
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51-64 |
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We show that any recursively enumerable subset of a data structure can be regarded as the solution set to a B??hm-out problem. |
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yes |
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Call Number |
Sapienza @ mari @ jfp95 |
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57 |
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Author |
Tronci, Enrico |
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Title |
Equational Programming in lambda-calculus |
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Conference Article |
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Year |
1991 |
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Sixth Annual IEEE Symposium on Logic in Computer Science (LICS) |
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191-202 |
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IEEE Computer Society |
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Amsterdam, The Netherlands |
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yes |
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Call Number |
Sapienza @ mari @ lics91 |
Serial |
58 |
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Author |
Böhm, Corrado; Tronci, Enrico |
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Title |
About Systems of Equations, X-Separability, and Left-Invertibility in the lambda-Calculus |
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1991 |
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Inf. Comput. |
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90 |
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1 |
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1-32 |
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yes |
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Sapienza @ mari @ infcomp91 |
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59 |
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Author |
Piperno, Adolfo; Tronci, Enrico |
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Title |
Regular Systems of Equations in λ-calculus |
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Journal Article |
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1990 |
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Int. J. Found. Comput. Sci. |
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1 |
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3 |
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325-340 |
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Many problems arising in equational theories like Lambda-calculus and Combinatory Logic can be expressed by combinatory equations or systems of equations. However, the solvability problem for an arbitrarily given class of systems is in general undecidable. In this paper we shall focus our attention on a decidable class of systems, which will be called regular systems, and we shall analyse some classical problems and well-known properties of Lambda-calculus that can be described and solved by means of regular systems. The significance of such class will be emphasized showing that for slight extensions of it the solvability problem turns out to be undecidable. |
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yes |
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Call Number |
Sapienza @ mari @ ijfcs90 |
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60 |
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Author |
Piperno, Adolfo; Tronci, Enrico |
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Title |
Regular Systems of Equations in λ-calculus |
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1989 |
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Ictcs |
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Many problems arising in equational theories like Lambda-calculus and Combinatory Logic can be expressed by combinatory equations or systems of equations. However, the solvability problem for an arbitrarily given class of systems is in general undecidable. In this paper we shall focus our attention on a decidable class of systems, which will be called regular systems, and we shall analyse some classical problems and well-known properties of Lambda-calculus that can be described and solved by means of regular systems. The significance of such class will be emphasized showing that for slight extensions of it the solvability problem turns out to be undecidable. |
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Mantova - Italy |
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Call Number |
Sapienza @ mari @ ictcs89 |
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61 |
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