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	Author	Tronci, Enrico; Della Penna, Giuseppe; Intrigila, Benedetto; Venturini Zilli, Marisa
	Title	A Probabilistic Approach to Automatic Verification of Concurrent Systems			Type	Conference Article
	Year	2001	Publication	8th Asia-Pacific Software Engineering Conference (APSEC)	Abbreviated Journal
	Volume		Issue		Pages	317-324
	Keywords
	Abstract	The main barrier to automatic verification of concurrent systems is the huge amount of memory required to complete the verification task (state explosion). In this paper we present a probabilistic algorithm for automatic verification via model checking. Our algorithm trades space with time. In particular, when memory is full because of state explosion our algorithm does not give up verification. Instead it just proceeds at a lower speed and its results will only hold with some arbitrarily small error probability. Our preliminary experimental results show that by using our probabilistic algorithm we can typically save more than 30% of RAM with an average time penalty of about 100% w.r.t. a deterministic state space exploration with enough memory to complete the verification task. This is better than giving up the verification task because of lack of memory.
	Address
	Corporate Author				Thesis
	Publisher	IEEE Computer Society	Place of Publication	Macau, China	Editor
	Language		Summary Language		Original Title
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN	0-7695-1408-1	ISBN		Medium
	Area		Expedition		Conference
	Notes				Approved	yes
	Call Number	Sapienza @ mari @ apsec01			Serial	43
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	Author	Alimguzhin, V.; Mari, F.; Melatti, I.; Salvo, I.; Tronci, E.
	Title	Linearising Discrete Time Hybrid Systems			Type	Journal Article
	Year	2017	Publication	IEEE Transactions on Automatic Control	Abbreviated Journal
	Volume	62	Issue	10	Pages	5357-5364
	Keywords
	Abstract	Model Based Design approaches for embedded systems aim at generating correct-by-construction control software, guaranteeing that the closed loop system (controller and plant) meets given system level formal specifications. This technical note addresses control synthesis for safety and reachability properties of possibly non-linear discrete time hybrid systems. By means of syntactical transformations that require non-linear terms to be Lipschitz continuous functions, we over-approximate non-linear dynamics with a linear system whose controllers are guaranteed to be controllers of the original system. We evaluate performance of our approach on meaningful control synthesis benchmarks, also comparing it to a state-of-the-art tool.
	Address
	Corporate Author				Thesis
	Publisher		Place of Publication		Editor
	Language		Summary Language		Original Title
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN	0018-9286	ISBN		Medium
	Area		Expedition		Conference
	Notes				Approved	no
	Call Number	Sapienza @ mari @ ref7902199			Serial	164
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	Author	Mancini, T.; Mari, F.; Massini, A.; Melatti, I.; Tronci, E.
	Title	Anytime system level verification via parallel random exhaustive hardware in the loop simulation			Type	Journal Article
	Year	2016	Publication	Microprocessors and Microsystems	Abbreviated Journal
	Volume	41	Issue		Pages	12-28
	Keywords	Model Checking of Hybrid Systems; Model checking driven simulation; Hardware in the loop simulation
	Abstract	Abstract System level verification of cyber-physical systems has the goal of verifying that the whole (i.e., software + hardware) system meets the given specifications. Model checkers for hybrid systems cannot handle system level verification of actual systems. Thus, Hardware In the Loop Simulation (HILS) is currently the main workhorse for system level verification. By using model checking driven exhaustive HILS, System Level Formal Verification (SLFV) can be effectively carried out for actual systems. We present a parallel random exhaustive HILS based model checker for hybrid systems that, by simulating all operational scenarios exactly once in a uniform random order, is able to provide, at any time during the verification process, an upper bound to the probability that the System Under Verification exhibits an error in a yet-to-be-simulated scenario (Omission Probability). We show effectiveness of the proposed approach by presenting experimental results on SLFV of the Inverted Pendulum on a Cart and the Fuel Control System examples in the Simulink distribution. To the best of our knowledge, no previously published model checker can exhaustively verify hybrid systems of such a size and provide at any time an upper bound to the Omission Probability.
	Address
	Corporate Author				Thesis
	Publisher		Place of Publication		Editor
	Language		Summary Language		Original Title
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN	0141-9331	ISBN		Medium
	Area		Expedition		Conference
	Notes				Approved	no
	Call Number	MCLab @ davi @ Mancini201612			Serial	155
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	Author	Mancini, Toni; Mari, Federico; Massini, Annalisa; Melatti, Igor; Merli, Fabio; Tronci, Enrico
	Title	System Level Formal Verification via Model Checking Driven Simulation			Type	Conference Article
	Year	2013	Publication	Proceedings of the 25th International Conference on Computer Aided Verification. July 13-19, 2013, Saint Petersburg, Russia	Abbreviated Journal	CAV 2013
	Volume		Issue		Pages	296-312
	Keywords
	Abstract
	Address
	Corporate Author				Thesis
	Publisher	Springer - Verlag	Place of Publication		Editor
	Language		Summary Language		Original Title
	Series Editor		Series Title	Lecture Notes in Computer Science	Abbreviated Series Title
	Series Volume	8044	Series Issue		Edition
	ISSN	0302-9743	ISBN	978-3-642-39798-1	Medium
	Area		Expedition		Conference
	Notes				Approved	yes
	Call Number	Sapienza @ mari @			Serial	113
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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)	Abbreviated Journal	International SPIN Symposium on Model Checking of Software
	Volume		Issue		Pages	43-60
	Keywords
	Abstract
	Address
	Corporate Author				Thesis
	Publisher	Springer - Verlag	Place of Publication		Editor
	Language		Summary Language		Original Title
	Series Editor		Series Title	Lecture Notes in Computer Science	Abbreviated Series Title
	Series Volume	7976	Series Issue		Edition
	ISSN	0302-9743	ISBN	978-3-642-39175-0	Medium
	Area		Expedition		Conference
	Notes				Approved	no
	Call Number	Sapienza @ melatti @			Serial	112
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	Author	Alimguzhin, Vadim; Mari, Federico; Melatti, Igor; Salvo, Ivano; Tronci, Enrico
	Title	On-the-Fly Control Software Synthesis			Type	Conference Article
	Year	2013	Publication	Proceedings of International SPIN Symposium on Model Checking of Software (SPIN 2013)	Abbreviated Journal	International SPIN Symposium on Model Checking of Software
	Volume		Issue		Pages	61-80
	Keywords
	Abstract
	Address
	Corporate Author				Thesis
	Publisher	Springer - Verlag	Place of Publication		Editor
	Language		Summary Language		Original Title
	Series Editor		Series Title	Lecture Notes in Computer Science	Abbreviated Series Title
	Series Volume	7976	Series Issue		Edition
	ISSN	0302-9743	ISBN	978-3-642-39175-0	Medium
	Area		Expedition		Conference
	Notes				Approved	yes
	Call Number	Sapienza @ melatti @			Serial	111
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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	Abbreviated Journal	ACM TRANSACTIONS ON SOFTWARE ENGINEERING AND METHODOLOGY
	Volume	23	Issue	1	Pages	Article 6
	Keywords
	Abstract
	Address
	Corporate Author				Thesis
	Publisher	ACM	Place of Publication		Editor
	Language		Summary Language		Original Title
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN	1049-331X	ISBN		Medium
	Area		Expedition		Conference
	Notes				Approved	no
	Call Number	Sapienza @ melatti @			Serial	110
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	Author	Della Penna, Giuseppe; Intrigila, Benedetto; Melatti, Igor; Tronci, Enrico; Venturini Zilli, Marisa
	Title	Finite horizon analysis of Markov Chains with the Mur$\varphi$ verifier			Type	Journal Article
	Year	2006	Publication	Int. J. Softw. Tools Technol. Transf.	Abbreviated Journal
	Volume	8	Issue	4	Pages	397-409
	Keywords
	Abstract	In this paper we present an explicit disk-based verification algorithm for Probabilistic Systems defining discrete time/finite state Markov Chains. Given a Markov Chain and an integer k (horizon), our algorithm checks whether the probability of reaching an error state in at most k steps is below a given threshold. We present an implementation of our algorithm within a suitable extension of the Mur$\varphi$ verifier. We call the resulting probabilistic model checker FHP-Mur$\varphi$ (Finite Horizon Probabilistic Mur$\varphi$). We present experimental results comparing FHP-Mur$\varphi$ with (a finite horizon subset of) PRISM, a state-of-the-art symbolic model checker for Markov Chains. Our experimental results show that FHP-Mur$\varphi$ can handle systems that are out of reach for PRISM, namely those involving arithmetic operations on the state variables (e.g. hybrid systems).
	Address
	Corporate Author				Thesis
	Publisher	Springer-Verlag	Place of Publication	Berlin, Heidelberg	Editor
	Language		Summary Language		Original Title
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN	1433-2779	ISBN		Medium
	Area		Expedition		Conference
	Notes				Approved	yes
	Call Number	Sapienza @ mari @ Dimtz06			Serial	78
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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	Abbreviated Journal	Mobile Information Systems
	Volume	3	Issue	9	Pages	261-280
	Keywords
	Abstract
	Address
	Corporate Author				Thesis
	Publisher	IOS Press	Place of Publication		Editor
	Language		Summary Language		Original Title
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN	1574-017x (Print) 1875-905X (Online)	ISBN		Medium
	Area		Expedition		Conference
	Notes				Approved	no
	Call Number	Sapienza @ melatti @			Serial	109
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	Author	Sinisi, S.; Alimguzhin, V.; Mancini, T.; Tronci, E.; Mari, F.; Leeners, B.
	Title	Optimal Personalised Treatment Computation through In Silico Clinical Trials on Patient Digital Twins			Type	Journal Article
	Year	2020	Publication		Abbreviated Journal	Fundamenta Informaticae
	Volume	174	Issue		Pages	283-310
	Keywords	Artificial Intelligence; Virtual Physiological Human; In Silico Clinical Trials; Simulation; Personalised Medicine; In Silico Treatment Optimisation
	Abstract	In Silico Clinical Trials (ISCT), i.e. clinical experimental campaigns carried out by means of computer simulations, hold the promise to decrease time and cost for the safety and efficacy assessment of pharmacological treatments, reduce the need for animal and human testing, and enable precision medicine. In this paper we present methods and an algorithm that, by means of extensive computer simulation-based experimental campaigns (ISCT) guided by intelligent search, optimise a pharmacological treatment for an individual patient (precision medicine ). We show the effectiveness of our approach on a case study involving a real pharmacological treatment, namely the downregulation phase of a complex clinical protocol for assisted reproduction in humans.
	Address
	Corporate Author				Thesis
	Publisher	IOS Press	Place of Publication		Editor
	Language		Summary Language		Original Title
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN	1875-8681	ISBN		Medium
	Area		Expedition		Conference
	Notes				Approved	no
	Call Number	MCLab @ davi @			Serial	187
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