Verification of hybrid systems

L Doyen, G Frehse, GJ Pappas, A Platzer - Handbook of Model Checking, 2018 - Springer
Hybrid systems are models which combine discrete and continuous behavior. They occur
frequently in safety-critical applications in various domains such as health care …

Systematically ensuring the confidence of real-time home automation IoT systems

L Bu, W **ong, CJM Liang, S Han, D Zhang… - ACM Transactions on …, 2018 - dl.acm.org
Recent advances and industry standards in Internet of Things (IoT) have accelerated the
real-world adoption of connected devices. To manage this hybrid system of digital real-time …

Security Checking of Trigger-Action-Programming Smart Home Integrations

L Bu, Q Zhang, S Li, J Dai, G Bai, K Chen… - Proceedings of the 32nd …, 2023 - dl.acm.org
Internet of Things (IoT) has become prevalent in various fields, especially in the context of
home automation (HA). To better control HA-IoT devices, especially to integrate several …

WebToTeach: an interactive focused programming exercise system

D Arnow, O Barshay - FIE'99 Frontiers in Education. 29th …, 1999 - ieeexplore.ieee.org
In this paper, we describe a web-based interactive programming exercise system, aimed in
part at addressing the retention crisis in computer science education. The system is based …

BRICK: Path enumeration based bounded reachability checking of C program (competition contribution)

L Bu, Z **e, L Lyu, Y Li, X Guo, J Zhao, X Li - International Conference on …, 2022 - Springer
BRICK is a bounded reachability checker for embedded C programs. BRICK conducts a
path-oriented style checking of the bounded state space of the program, that enumerates …

BACH 2: Bounded ReachAbility CHecker for compositional linear hybrid systems

L Bu, Y Li, L Wang, X Chen, X Li - 2010 Design, Automation & …, 2010 - ieeexplore.ieee.org
Existing reachability analysis techniques are easy to fail when applied to large
compositional linear hybrid systems, since their memory usages rise up quickly with the …

ARCH-COMP19 category report: Hybrid systems with piecewise constant dynamics

G Frehse, A Abate, D Adzkiya, A Becchi, L Bu, A Cimatti… - 2019 - ora.ox.ac.uk
This report presents the results of a friendly competition for formal verification of continuous
and hybrid systems with piecewise constant dynamics. The friendly competition took place …

Early evaluation of the Cray X1

TH Dunigan Jr, MR Fahey, JB White III… - Proceedings of the 2003 …, 2003 - dl.acm.org
Oak Ridge National Laboratory installed a 32 processor Cray X1 in March, 2003, and will
have a 256 processor system installed by October, 2003. In this paper we describe our initial …

Deriving unbounded reachability proof of linear hybrid automata during bounded checking procedure

D **e, W **ong, L Bu, X Li - IEEE Transactions on Computers, 2016 - ieeexplore.ieee.org
Reachability analysis of linear hybrid automata (LHA) is an important problem. Classical
model checking (CMC) technique is not scalable and not guaranteed to terminate. On the …

Scenario-Based Flexible Modeling and Scalable Falsification for Reconfigurable CPSs

J Wang, W Liu, M Zhang, J Wei, Y Shi, L Bu… - … Conference on Computer …, 2024 - Springer
Cyber-physical systems (CPSs) are used in many safety-critical areas, making it crucial to
ensure their safety. However, with CPSs increasingly dynamically deployed and …