NNV 2.0: the neural network verification tool

DM Lopez, SW Choi, HD Tran, TT Johnson - International Conference on …, 2023 - Springer
This manuscript presents the updated version of the Neural Network Verification (NNV) tool.
NNV is a formal verification software tool for deep learning models and cyber-physical …

Enforcing hard constraints with soft barriers: Safe reinforcement learning in unknown stochastic environments

Y Wang, SS Zhan, R Jiao, Z Wang… - International …, 2023 - proceedings.mlr.press
It is quite challenging to ensure the safety of reinforcement learning (RL) agents in an
unknown and stochastic environment under hard constraints that require the system state …

Empowering autonomous driving with large language models: A safety perspective

Y Wang, R Jiao, SS Zhan, C Lang, C Huang… - arxiv preprint arxiv …, 2023 - arxiv.org
Autonomous Driving (AD) encounters significant safety hurdles in long-tail unforeseen
driving scenarios, largely stemming from the non-interpretability and poor generalization of …

Open-and closed-loop neural network verification using polynomial zonotopes

N Kochdumper, C Schilling, M Althoff, S Bak - NASA Formal Methods …, 2023 - Springer
We present a novel approach to efficiently compute tight non-convex enclosures of the
image through neural networks with ReLU, sigmoid, or hyperbolic tangent activation …

Polar-express: Efficient and precise formal reachability analysis of neural-network controlled systems

Y Wang, W Zhou, J Fan, Z Wang, J Li… - … on Computer-Aided …, 2023 - ieeexplore.ieee.org
Neural networks (NNs) playing the role of controllers have demonstrated impressive
empirical performance on challenging control problems. However, the potential adoption of …

Unifying qualitative and quantitative safety verification of DNN-controlled systems

D Zhi, P Wang, S Liu, CHL Ong, M Zhang - International Conference on …, 2024 - Springer
The rapid advance of deep reinforcement learning techniques enables the oversight of
safety-critical systems through the utilization of Deep Neural Networks (DNNs). This …

Arch-comp22 category report: Artificial intelligence and neural network control systems (ainncs) for continuous and hybrid systems plants

DM Lopez, M Althoff, L Benet, X Chen, J Fan… - … Workshop on Applied …, 2022 - vbn.aau.dk
This report presents the results of a friendly competition for formal verification of continuous
and hybrid systems with artificial intelligence (AI) components. Specifically, machine …

Joint differentiable optimization and verification for certified reinforcement learning

Y Wang, S Zhan, Z Wang, C Huang, Z Wang… - Proceedings of the …, 2023 - dl.acm.org
Model-based reinforcement learning has been widely studied for controller synthesis in
cyber-physical systems (CPSs). In particular, for safety-critical CPSs, it is important to …

Automatic abstraction refinement in neural network verification using sensitivity analysis

T Ladner, M Althoff - Proceedings of the 26th ACM International …, 2023 - dl.acm.org
The formal verification of neural networks is essential for their application in safety-critical
environments. However, the set-based verification of neural networks using linear …

Efficient global robustness certification of neural networks via interleaving twin-network encoding

Z Wang, C Huang, Q Zhu - 2022 Design, Automation & Test in …, 2022 - ieeexplore.ieee.org
The robustness of deep neural networks has received significant interest recently, especially
when being deployed in safety-critical systems, as it is important to analyze how sensitive …