| Records |
| Author |
Tronci, Enrico |
| Title |
Automatic Synthesis of Control Software for an Industrial Automation Control System |
Type |
Conference Article |
| Year |
1999 |
Publication |
Proc.of: 14th IEEE International Conference on: Automated Software Engineering (ASE) |
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| Volume |
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Issue |
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Pages |
247-250 |
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Abstract  |
We present a case study on automatic synthesis of control software from formal specifications for an industrial automation control system. Our aim is to compare the effectiveness (i.e. design effort and controller quality) of automatic controller synthesis from closed loop formal specifications with that of manual controller design, followed by automatic verification. Our experimental results show that for industrial automation control systems, automatic synthesis is a viable and profitable (especially as far as design effort is concerned) alternative to manual design, followed by automatic verification. |
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Place of Publication |
Cocoa Beach, Florida, USA |
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Approved |
yes |
| Call Number |
Sapienza @ mari @ ase99 |
Serial |
49 |
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| Author |
Tronci, Enrico |
| Title |
Formally Modeling a Metal Processing Plant and its Closed Loop Specifications |
Type |
Conference Article |
| Year |
1999 |
Publication |
4th IEEE International Symposium on High-Assurance Systems Engineering (HASE) |
Abbreviated Journal |
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| Volume |
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Issue |
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Pages |
151 |
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| Abstract |
We present a case study on automatic synthesis of control software from formal specifications for an industrial automation control system. Our aim is to compare the effectiveness (i.e. design effort and controller quality) of automatic controller synthesis from closed loop formal specifications with that of manual controller design followed by automatic verification. The system to be controlled (plant) models a metal processing facility near Karlsruhe. We succeeded in automatically generating C code implementing a (correct by construction) embedded controller for such a plant from closed loop formal specifications. Our experimental results show that for industrial automation control systems automatic synthesis is a viable and profitable (especially as far as design effort is concerned) alternative to manual design followed by automatic verification. |
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IEEE Computer Society |
Place of Publication |
Washington, D.C, USA |
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0-7695-0418-3 |
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yes |
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Sapienza @ mari @ hase99 |
Serial |
50 |
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| Author |
Focardi, Riccardo; Gorrieri, Roberto; Lanotte, Ruggero; Maggiolo-Schettini, Andrea; Martinelli, Fabio; Tini, Simone; Tronci, Enrico |
| Title |
Formal Models of Timing Attacks on Web Privacy |
Type |
Journal Article |
| Year |
2002 |
Publication |
Electronic Notes in Theoretical Computer Science |
Abbreviated Journal |
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| Volume |
62 |
Issue |
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Pages |
229-243 |
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| Abstract |
We model a timing attack on web privacy proposed by Felten and Schneider by using three different approaches: HL-Timed Automata, SMV model checker, and tSPA Process Algebra. Some comparative analysis on the three approaches is derived. |
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TOSCA 2001, Theory of Concurrency, Higher Order Languages and Types |
Approved |
yes |
| Call Number |
Sapienza @ mari @ entcs02a |
Serial |
47 |
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| Author |
Lanotte, Ruggero; Maggiolo-Schettini, Andrea; Tini, Simone; Troina, Angelo; Tronci, Enrico |
| Title |
Automatic Analysis of the NRL Pump |
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Journal Article |
| Year |
2004 |
Publication |
Electr. Notes Theor. Comput. Sci. |
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| Volume |
99 |
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Pages |
245-266 |
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We define a probabilistic model for the NRL Pump and using FHP-mur$\varphi$ show experimentally that there exists a probabilistic covert channel whose capacity depends on various NRL Pump parameters (e.g. buffer size, number of samples in the moving average, etc). |
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Approved |
yes |
| Call Number |
Sapienza @ mari @ entcs04 |
Serial |
36 |
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| Author |
Pugliese, Rosario; Tronci, Enrico |
| Title |
Automatic Verification of a Hydroelectric Power Plant |
Type |
Conference Article |
| Year |
1996 |
Publication |
Third International Symposium of Formal Methods Europe (FME), Co-Sponsored by IFIP WG 14.3 |
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Pages |
425-444 |
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| Abstract |
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 |
Place of Publication |
Oxford, UK |
Editor |
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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| ISSN |
3-540-60973-3 |
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Approved |
yes |
| Call Number |
Sapienza @ mari @ fme96 |
Serial |
53 |
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| Author |
Mancini, T.; Mari, F.; Massini, A.; Melatti, I.; Tronci, E. |
| Title |
On Checking Equivalence of Simulation Scripts |
Type |
Journal Article |
| Year |
2021 |
Publication |
Journal of Logical and Algebraic Methods in Programming |
Abbreviated Journal |
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| Volume |
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Issue |
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Pages |
100640 |
| Keywords |
Formal verification, Simulation based formal verification, Formal Verification of cyber-physical systems, System-level formal verification |
| Abstract |
To support Model Based Design of Cyber-Physical Systems (CPSs) many simulation based approaches to System Level Formal Verification (SLFV) have been devised. Basically, these are Bounded Model Checking approaches (since simulation horizon is of course bounded) relying on simulators to compute the system dynamics and thereby verify the given system properties. The main obstacle to simulation based SLFV is the large number of simulation scenarios to be considered and thus the huge amount of simulation time needed to complete the verification task. To save on computation time, simulation based SLFV approaches exploit the capability of simulators to save and restore simulation states. Essentially, such a time saving is obtained by optimising the simulation script defining the simulation activity needed to carry out the verification task. Although such approaches aim to (bounded) formal verification, as a matter of fact, the proof of correctness of the methods to optimise simulation scripts basically relies on an intuitive semantics for simulation scripting languages. This hampers the possibility of formally showing that the optimisations introduced to speed up the simulation activity do not actually omit checking of relevant behaviours for the system under verification. The aim of this paper is to fill the above gap by presenting an operational semantics for simulation scripting languages and by proving soundness and completeness properties for it. This, in turn, enables formal proofs of equivalence between unoptimised and optimised simulation scripts. |
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Edition |
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2352-2208 |
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no |
| Call Number |
MCLab @ davi @ Mancini2021100640 |
Serial |
183 |
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| Author |
Gorrieri, Roberto; Lanotte, Ruggero; Maggiolo-Schettini, Andrea; Martinelli, Fabio; Tini, Simone; Tronci, Enrico |
| Title |
Automated analysis of timed security: a case study on web privacy |
Type |
Journal Article |
| Year |
2004 |
Publication |
International Journal of Information Security |
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| Volume |
2 |
Issue |
3-4 |
Pages |
168-186 |
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| Abstract |
This paper presents a case study on an automated analysis of real-time security models. The case study on a web system (originally proposed by Felten and Schneider) is presented that shows a timing attack on the privacy of browser users. Three different approaches are followed: LH-Timed Automata (analyzed using the model checker HyTech), finite-state automata (analyzed using the model checker NuSMV), and process algebras (analyzed using the model checker CWB-NC). A comparative analysis of these three approaches is given. |
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Approved |
yes |
| Call Number |
Sapienza @ mari @ ijis04 |
Serial |
33 |
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| Author |
Ciancamerla, Ester; Minichino, Michele; Serro, Stefano; Tronci, Enrico |
| Title |
Automatic Timeliness Verification of a Public Mobile Network |
Type |
Conference Article |
| Year |
2003 |
Publication |
22nd International Conference on Computer Safety, Reliability, and Security (SAFECOMP) |
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Issue |
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Pages |
35-48 |
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This paper deals with the automatic verification of the timeliness of Public Mobile Network (PMN), consisting of Mobile Nodes (MNs) and Base Stations (BSs). We use the Mur$\varphi$ Model Checker to verify that the waiting access time of each MN, under different PMN configurations and loads, and different inter arrival times of MNs in a BS cell, is always below a preassigned threshold. Our experimental results show that Model Checking can be successfully used to generate worst case scenarios and nicely complements probabilistic methods and simulation which are typically used for performance evaluation. |
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Springer |
Place of Publication |
Edinburgh, UK |
Editor |
Anderson, S.; Felici, M.; Littlewood, B. |
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Lecture Notes in Computer Science |
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| Series Volume |
2788 |
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Edition |
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978-3-540-20126-7 |
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Approved |
yes |
| Call Number |
Sapienza @ mari @ safecomp03 |
Serial |
38 |
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| Author |
Cesta, Amedeo; Finzi, Alberto; Fratini, Simone; Orlandini, Andrea; Tronci, Enrico |
| Title |
Verifying Flexible Timeline-based Plans |
Type |
Conference Article |
| Year |
2009 |
Publication |
E-Proc. of ICAPS Workshop on Validation and Verification of Planning and Scheduling Systems |
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The synthesis of flexible temporal plans has demonstrated wide applications possibilities in heterogeneous domains. We are currently studying the connection between plan generation and execution from the particular perspective of verifying a flexible plan before actual execution. This paper explores how a model-checking verification tool, based on UPPAAL-TIGA, is suitable for verifying flexible temporal plans. We first describe the formal model, the formalism, and the verification method. Furthermore we discuss our own approach and some preliminary empirical results using a real-world case study. |
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yes |
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Sapienza @ mari @ Vvps09 |
Serial |
23 |
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| Author |
Leeners, B.; Krueger, T.; Geraedts, K.; Tronci, E.; Mancini, T.; Ille, F.; Egli, M.; Roeblitz, S.; Wunder, D.; Saleh, L.; Schippert, C.; Hengartner, M.P. |
| Title |
Cognitive function in association with high estradiol levels resulting from fertility treatment |
Type |
Journal Article |
| Year |
2021 |
Publication |
Hormones and Behavior |
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| Volume |
130 |
Issue |
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Pages |
104951 |
| Keywords |
Cognition, Estrogen, Estradiol, Fertility treatment, Attention, Cognitive bias |
| Abstract |
The putative association between hormones and cognitive performance is controversial. While there is evidence that estradiol plays a neuroprotective role, hormone treatment has not been shown to improve cognitive performance. Current research is flawed by the evaluation of combined hormonal effects throughout the menstrual cycle or in the menopausal transition. The stimulation phase of a fertility treatment offers a unique model to study the effect of estradiol on cognitive function. This quasi-experimental observational study is based on data from 44 women receiving IVF in Zurich, Switzerland. We assessed visuospatial working memory, attention, cognitive bias, and hormone levels at the beginning and at the end of the stimulation phase of ovarian superstimulation as part of a fertility treatment. In addition to inter-individual differences, we examined intra-individual change over time (within-subject effects). The substantial increases in estradiol levels resulting from fertility treatment did not relate to any considerable change in cognitive functioning. As the tests applied represent a broad variety of cognitive functions on different levels of complexity and with various brain regions involved, we can conclude that estradiol does not show a significant short-term effect on cognitive function. |
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0018-506x |
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no |
| Call Number |
MCLab @ davi @ Leeners2021104951 |
Serial |
185 |
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