Blogs (1) >>
ASE 2019
Sun 10 - Fri 15 November 2019 San Diego, California, United States
Thu 14 Nov 2019 13:40 - 14:00 at Cortez 2&3 - Mining and Bug Detection Chair(s): Chanchal K. Roy

Precisely modeling complex systems like cyber-physical systems is challenging, which often render model-based system verification techniques like model checking infeasible. To overcome this challenge, we propose a method called LAR to automatically ‘verify’ such complex systems through a combination of learning, abstraction and refinement from a set of system log traces. We assume that log traces and sampling frequency are adequate to capture ‘enough’ behaviour of the system. Given a safety property and the concrete system log traces as input, LAR automatically learns and refines system models, and produces two kinds of outputs. One is a counterexample with a bounded probability of being spurious. The other is a probabilistic model based on which the given property is ‘verified’. The model can be viewed as a proof obligation, i.e., the property is verified if the model is correct. It can also be used for subsequent system analysis activities like runtime monitoring or model-based testing. Our method has been implemented as a self-contained software toolkit. The evaluation on multiple benchmark systems as well as a real-world water treatment system shows promising results.

Thu 14 Nov
Times are displayed in time zone: (GMT-07:00) Tijuana, Baja California change

ase-2019-paper-presentations
13:40 - 15:20: Papers - Mining and Bug Detection at Cortez 2&3
Chair(s): Chanchal K. RoyUniversity of Saskatchewan
ase-2019-Journal-First-Presentations13:40 - 14:00
Talk
Jingyi WangNational University of Singapore, Singapore, Jun SunSingapore Management University, Singapore, Shengchao QinUniversity of Teesside, Cyrille JegourelISTD, Singapore University of Technology and Design
Link to publication
ase-2019-Journal-First-Presentations14:00 - 14:20
Talk
Mohammad Jafar MashhadiUniversity of Calgary, Taha R. SiddiquiInfoMagnetics Technologies Corp, Hadi HemmatiUniversity of Calgary, Howard W. LoewenDepartment of Electrical & Computer Engineering, University of Calgary
Link to publication
ase-2019-Journal-First-Presentations14:20 - 14:40
Talk
Mohamed Aymen SaiedConcordia University, Ali OuniETS Montreal, University of Quebec, Houari SahraouiUniversité de Montréal, Raula Gaikovina KulaNAIST, Katsuro InoueOsaka University, David LoSingapore Management University
Link to publication
ase-2019-Journal-First-Presentations14:40 - 15:00
Talk
Zherui CaoZhejiang University, Yuan TianQueens University, Kingston, Canada, Tien-Duy B. LeSchool of Information Systems, Singapore Management University, David LoSingapore Management University
Link to publication
ase-2019-Demonstrations15:00 - 15:10
Demonstration
Yuexing WangTsinghua University, Guang ChenTsinghua University, Min ZhouTsinghua University, Ming GuTsinghua University, Jiaguang SunTsinghua University
ase-2019-Demonstrations15:10 - 15:20
Demonstration
Li ChiTsinghua University, Zuxing GuSchool of Software, Tsinghua University, Min ZhouTsinghua University, Ming GuTsinghua University, Hongyu ZhangThe University of Newcastle