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Author |
Mari, Federico; Tronci, Enrico |
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Title |
CEGAR Based Bounded Model Checking of Discrete Time Hybrid Systems |
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Conference Article |
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Year |
2007 |
Publication |
Hybrid Systems: Computation and Control (HSCC 2007) |
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Pages |
399-412 |
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Keywords |
Model Checking, Abstraction, CEGAR, SAT, Hybrid Systems, DTHS |
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Abstract |
Many hybrid systems can be conveniently modeled as Piecewise Affine Discrete Time Hybrid Systems PA-DTHS. As well known Bounded Model Checking (BMC) for such systems comes down to solve a Mixed Integer Linear Programming (MILP) feasibility problem. We present a SAT based BMC algorithm for automatic verification of PA-DTHSs. Using Counterexample Guided Abstraction Refinement (CEGAR) our algorithm gradually transforms a PA-DTHS verification problem into larger and larger SAT problems. Our experimental results show that our approach can handle PA-DTHSs that are more then 50 times larger than those that can be handled using a MILP solver. |
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Springer |
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Bemporad, A.; Bicchi, A.; Buttazzo, G.C. |
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Lecture Notes in Computer Science |
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4416 |
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yes |
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Call Number |
Sapienza @ mari @ MarTro07 |
Serial |
92 |
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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 |
Type |
Book Chapter |
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Year |
2012 |
Publication |
Theoretical Aspects of Computing – ICTAC 2012 |
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Pages |
243-258 |
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Springer Berlin Heidelberg |
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Roychoudhury, A.; D'Souza, M. |
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Series Title |
Lecture Notes in Computer Science |
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Series Volume |
7521 |
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978-3-642-32942-5 |
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yes |
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Call Number |
Sapienza @ mari @ Mari2012 |
Serial |
99 |
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Author |
Alimguzhin, Vadim; Mari, Federico; Melatti, Igor; Salvo, Ivano; Tronci, Enrico |
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Title |
On-the-Fly Control Software Synthesis |
Type |
Conference Article |
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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 |
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Pages |
61-80 |
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Springer - Verlag |
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Lecture Notes in Computer Science |
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Series Volume |
7976 |
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ISSN |
0302-9743 |
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978-3-642-39175-0 |
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yes |
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Call Number |
Sapienza @ melatti @ |
Serial |
111 |
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Author |
Alimguzhin, Vadim; Mari, Federico; Melatti, Igor; Salvo, Ivano; Tronci, Enrico |
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Title |
A Map-Reduce Parallel Approach to Automatic Synthesis of Control Software |
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Conference Article |
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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 |
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Pages |
43-60 |
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Springer - Verlag |
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Lecture Notes in Computer Science |
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Series Volume |
7976 |
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ISSN |
0302-9743 |
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978-3-642-39175-0 |
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no |
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Call Number |
Sapienza @ melatti @ |
Serial |
112 |
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Author |
Mancini, Toni; Mari, Federico; Massini, Annalisa; Melatti, Igor; Merli, Fabio; Tronci, Enrico |
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Title |
System Level Formal Verification via Model Checking Driven Simulation |
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Conference Article |
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Year |
2013 |
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Proceedings of the 25th International Conference on Computer Aided Verification. July 13-19, 2013, Saint Petersburg, Russia |
Abbreviated Journal |
CAV 2013 |
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296-312 |
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Springer - Verlag |
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Lecture Notes in Computer Science |
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Series Volume |
8044 |
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ISSN |
0302-9743 |
ISBN |
978-3-642-39798-1 |
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Approved |
yes |
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Call Number |
Sapienza @ mari @ |
Serial |
113 |
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Author |
Della Penna, Giuseppe; Tofani, Alberto; Pecorari, Marcello; Raparelli, Orazio; Intrigila, Benedetto; Melatti, Igor; Tronci, Enrico |
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Title |
A Case Study on Automated Generation of Integration Tests |
Type |
Conference Article |
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Year |
2006 |
Publication |
Fdl |
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Pages |
278-284 |
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Ecsi |
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978-3-00-019710-9 |
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Approved |
yes |
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Call Number |
Sapienza @ mari @ Dtprimt06 |
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27 |
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Author |
Cavaliere, Federico; Mari, Federico; Melatti, Igor; Minei, Giovanni; Salvo, Ivano; Tronci, Enrico; Verzino, Giovanni; Yushtein, Yuri |
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Title |
Model Checking Satellite Operational Procedures |
Type |
Conference Article |
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Year |
2011 |
Publication |
DAta Systems In Aerospace (DASIA), Org. EuroSpace, Canadian Space Agency, CNES, ESA, EUMETSAT. San Anton, Malta, EuroSpace. |
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We present a model checking approach for the automatic verification of satellite operational procedures (OPs). Building a model for a complex system as a satellite is a hard task. We overcome this obstruction by using a suitable simulator (SIMSAT) for the satellite. Our approach aims at improving OP quality assurance by automatic exhaustive exploration of all possible simulation scenarios. Moreover, our solution decreases OP verification costs by using a model checker (CMurphi) to automatically drive the simulator. We model OPs as user-executed programs observing the simulator telemetries and sending telecommands to the simulator. In order to assess feasibility of our approach we present experimental results on a simple meaningful scenario. Our results show that we can save up to 90% of verification time. |
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yes |
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Call Number |
Sapienza @ mari @ Dasia11 |
Serial |
13 |
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Author |
Mari, Federico; Melatti, Igor; Salvo, Ivano; Tronci, Enrico |
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Title |
From Boolean Relations to Control Software |
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Conference Article |
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Year |
2011 |
Publication |
Proceedings of ICSEA 2011, The Sixth International Conference on Software Engineering Advances |
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Pages |
528-533 |
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Abstract |
Many software as well digital hardware automatic synthesis methods define the set of implementations meeting the given system specifications with a boolean relation K. In such a context a fundamental step in the software (hardware) synthesis process is finding effective solutions to the functional equation defined by K. This entails finding a (set of) boolean function(s) F (typically represented using OBDDs, Ordered Binary Decision Diagrams) such that: 1) for all x for which K is satisfiable, K(x, F(x)) = 1 holds; 2) the implementation of F is efficient with respect to given implementation parameters such as code size or execution time. While this problem has been widely studied in digital hardware synthesis, little has been done in a software synthesis context. Unfortunately the approaches developed for hardware synthesis cannot be directly used in a software context. This motivates investigation of effective methods to solve the above problem when F has to be implemented with software. In this paper we present an algorithm that, from an OBDD representation for K, generates a C code implementation for F that has the same size as the OBDD for F and a WCET (Worst Case Execution Time) linear in nr, being n = |x| the number of input arguments for functions in F and r the number of functions in F. |
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ThinkMind |
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978-1-61208-165-6 |
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Notes |
Best Paper Award |
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yes |
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Call Number |
Sapienza @ mari @ icsea11 |
Serial |
14 |
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Author |
Cesta, Amedeo; Fratini, Simone; Orlandini, Andrea; Finzi, Alberto; Tronci, Enrico |
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Title |
Flexible Plan Verification: Feasibility Results |
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Journal Article |
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Year |
2011 |
Publication |
Fundamenta Informaticae |
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Volume |
107 |
Issue |
2 |
Pages |
111-137 |
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yes |
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Call Number |
Sapienza @ mari @ fi11 |
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15 |
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Author |
Bobbio, Andrea; Ciancamerla, Ester; Di Blasi, Saverio; Iacomini, Alessandro; Mari, Federico; Melatti, Igor; Minichino, Michele; Scarlatti, Alessandro; Tronci, Enrico; Terruggia, Roberta; Zendri, Emilio |
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Title |
Risk analysis via heterogeneous models of SCADA interconnecting Power Grids and Telco networks |
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Conference Article |
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Year |
2009 |
Publication |
Proceedings of Fourth International Conference on Risks and Security of Internet and Systems (CRiSIS) |
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90-97 |
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Abstract |
The automation of power grids by means of supervisory control and data acquisition (SCADA) systems has led to an improvement of power grid operations and functionalities but also to pervasive cyber interdependencies between power grids and telecommunication networks. Many power grid services are increasingly depending upon the adequate functionality of SCADA system which in turn strictly depends on the adequate functionality of its communication infrastructure. We propose to tackle the SCADA risk analysis by means of different and heterogeneous modeling techniques and software tools. We demonstrate the applicability of our approach through a case study on an actual SCADA system for an electrical power distribution grid. The modeling techniques we discuss aim at providing a probabilistic dependability analysis, followed by a worst case analysis in presence of malicious attacks and a real-time performance evaluation. |
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Fourth International Conference on Risks and Security of Internet and Systems (CRiSIS) |
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yes |
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Call Number |
Sapienza @ mari @ crisis09 |
Serial |
17 |
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