| Records |
| Author |
Mancini, T.; Melatti, I.; Tronci, E. |
| Title |
Any-horizon uniform random sampling and enumeration of constrained scenarios for simulation-based formal verification |
Type |
Journal Article |
| Year |
2021 |
Publication |
IEEE Transactions on Software Engineering |
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Issue |
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Pages |
1-1 |
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| Abstract |
Model-based approaches to the verification of non-terminating Cyber-Physical Systems (CPSs) usually rely on numerical simulation of the System Under Verification (SUV) model under input scenarios of possibly varying duration, chosen among those satisfying given constraints. Such constraints typically stem from requirements (or assumptions) on the SUV inputs and its operational environment as well as from the enforcement of additional conditions aiming at, e.g., prioritising the (often extremely long) verification activity, by, e.g., focusing on scenarios explicitly exercising selected requirements, or avoiding </i>vacuity</i> in their satisfaction. In this setting, the possibility to efficiently sample at random (with a known distribution, e.g., uniformly) within, or to efficiently enumerate (possibly in a uniformly random order) scenarios among those satisfying all the given constraints is a key enabler for the practical viability of the verification process, e.g., via simulation-based statistical model checking. Unfortunately, in case of non-trivial combinations of constraints, iterative approaches like Markovian random walks in the space of sequences of inputs in general fail in extracting scenarios according to a given distribution (e.g., uniformly), and can be very inefficient to produce at all scenarios that are both legal (with respect to SUV assumptions) and of interest (with respect to the additional constraints). For example, in our case studies, up to 91% of the scenarios generated using such iterative approaches would need to be neglected. In this article, we show how, given a set of constraints on the input scenarios succinctly defined by multiple finite memory monitors, a data structure (scenario generator) can be synthesised, from which any-horizon scenarios satisfying the input constraints can be efficiently extracted by (possibly uniform) random sampling or (randomised) enumeration. Our approach enables seamless support to virtually all simulation-based approaches to CPS verification, ranging from simple random testing to statistical model checking and formal (i.e., exhaustive) verification, when a suitable bound on the horizon or an iterative horizon enlargement strategy is defined, as in the spirit of bounded model checking. |
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1939-3520 |
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To appear |
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MCLab @ davi @ ref9527998 |
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191 |
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| Author |
Mari, Federico; Melatti, Igor; Tronci, Enrico; Finzi, Alberto |
| Title |
A multi-hop advertising discovery and delivering protocol for multi administrative domain MANET |
Type |
Journal Article |
| Year |
2013 |
Publication |
Mobile Information Systems |
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Mobile Information Systems |
| Volume |
3 |
Issue |
9 |
Pages |
261-280 |
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IOS Press |
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1574-017x (Print) 1875-905X (Online) |
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no |
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Sapienza @ melatti @ |
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109 |
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| Author |
Mari, Federico; Melatti, Igor; Salvo, Ivano; Tronci, Enrico |
| Title |
Model Based Synthesis of Control Software from System Level Formal Specifications |
Type |
Journal Article |
| Year |
2014 |
Publication |
ACM TRANSACTIONS ON SOFTWARE ENGINEERING AND METHODOLOGY |
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ACM TRANSACTIONS ON SOFTWARE ENGINEERING AND METHODOLOGY |
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23 |
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1 |
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Article 6 |
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ACM |
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1049-331X |
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Sapienza @ melatti @ |
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110 |
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| Author |
Alimguzhin, Vadim; Mari, Federico; Melatti, Igor; Salvo, Ivano; Tronci, Enrico |
| Title |
A Map-Reduce Parallel Approach to Automatic Synthesis of Control Software |
Type |
Conference Article |
| Year |
2013 |
Publication |
Proc. of International SPIN Symposium on Model Checking of Software (SPIN 2013) |
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International SPIN Symposium on Model Checking of Software |
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43-60 |
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Springer - Verlag |
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Lecture Notes in Computer Science |
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7976 |
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0302-9743 |
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978-3-642-39175-0 |
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no |
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Sapienza @ melatti @ |
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112 |
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Della Penna, Giuseppe; Intrigila, Benedetto; Magazzeni, Daniele; Melatti, Igor; Tronci, Enrico |
| Title |
CGMurphi: Automatic synthesis of numerical controllers for nonlinear hybrid systems |
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Journal Article |
| Year |
2013 |
Publication |
European Journal of Control |
Abbreviated Journal |
European Journal of Control |
| Volume |
19 |
Issue |
1 |
Pages |
14-36 |
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Elsevier North-Holland, Inc. |
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0947-3580 |
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no |
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Sapienza @ melatti @ |
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114 |
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| Author |
Verzino Giovanni ; Cavaliere, Federico; Mari, Federico; Melatti, Igor; Minei, Giovanni; Salvo, Ivano; Yushtein, Yuri; Tronci, Enrico |
| Title |
Model checking driven simulation of sat procedures |
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Conference Article |
| Year |
2012 |
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Proceedings of 12th International Conference on Space Operations (SpaceOps 2012) |
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International Conference on Space Operations |
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no |
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Sapienza @ melatti @ |
Serial |
117 |
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| Author |
Mancini, Toni ; Mari, Federico ; Massini, Annalisa; Melatti, Igor; Tronci, Enrico |
| Title |
System Level Formal Verification via Distributed Multi-Core Hardware in the Loop Simulation |
Type |
Conference Article |
| Year |
2014 |
Publication |
Proc. of the 22nd Euromicro International Conference on Parallel, Distributed and Network-Based Processing |
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Euromicro International Conference on Parallel, Distributed and Network-Based Processing |
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IEEE Computer Society |
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no |
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Sapienza @ melatti @ |
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118 |
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Tronci, E.; Mancini, T.; Mari, F.; Melatti, I.; Jacobsen, R. H.; Ebeid, E.; Mikkelsen, S. A.; Prodanovic, M.; Gruber, J. K.; Hayes, B. |
| Title |
SmartHG: Energy Demand Aware Open Services for Smart Grid Intelligent Automation |
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Conference Article |
| Year |
2014 |
Publication |
Proceedings of the Work in Progress Session of SEAA/DSD 2014 |
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978-3-902457-40-0 |
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Sapienza @ mari @ |
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119 |
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Tronci, E.; Mancini, T.; Salvo, I.; Mari, F.; Melatti, I.; Massini, A.; Sinisi, S.; Davì, F.; Dierkes, T.; Ehrig, R.; Röblitz, S.; Leeners, B.; Krüger, T.; Egli, M.; Ille, F. |
| Title |
Patient-Specific Models from Inter-Patient Biological Models and Clinical Records |
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Conference Article |
| Year |
2014 |
Publication |
Formal Methods in Computer-Aided Design (FMCAD) |
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no |
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Sapienza @ mari @ |
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120 |
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Tronci, E.; Mancini, T.; Mari, F.; Melatti, I.; Salvo, I.; Prodanovic, M.; Gruber, J. K.; Hayes, B.; Elmegaard, L. |
| Title |
Demand-Aware Price Policy Synthesis and Verification Services for Smart Grids |
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Conference Article |
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2014 |
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Proceedings of Smart Grid Communications (SmartGridComm), 2014 IEEE International Conference On |
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Sapienza @ melatti @ |
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121 |
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