Closed-loop analysis of vision-based autonomous systems: A case study

CS Păsăreanu, R Mangal, D Gopinath… - … conference on computer …, 2023 - Springer
Deep neural networks (DNNs) are increasingly used in safety-critical autonomous systems
as perception components processing high-dimensional image data. Formal analysis of …

Parameter Synthesis for Markov Models: Covering the Parameter Space

S Junges, E Ábrahám, C Hensel, N Jansen… - arXiv preprint arXiv …, 2019 - arxiv.org
Markov chain analysis is a key technique in formal verification. A practical obstacle is that all
probabilities in Markov models need to be known. However, system quantities such as …

Fast parametric model checking through model fragmentation

X Fang, R Calinescu, S Gerasimou… - 2021 IEEE/ACM 43rd …, 2021 - ieeexplore.ieee.org
Parametric model checking (PMC) computes algebraic formulae that express key non-
functional properties of a system (reliability, performance, etc.) as rational functions of the …

Convex optimization for parameter synthesis in MDPs

M Cubuktepe, N Jansen, S Junges… - … on Automatic Control, 2021 - ieeexplore.ieee.org
Probabilistic model-checking aims to prove whether a Markov decision process (MDP)
satisfies a temporal logic specification. The underlying methods rely on an often unrealistic …

Using runtime quantitative verification to provide assurance evidence for self-adaptive software: advances, applications and research challenges

R Calinescu, S Gerasimou, K Johnson… - Software Engineering for …, 2017 - Springer
Providing assurance that self-adaptive software meets its dependability, performance and
other quality-of-service (QoS) requirements is a great challenge. Recent approaches to …

Socio-cyber-physical systems: Models, opportunities, open challenges

R Calinescu, J Cámara… - 2019 IEEE/ACM 5th …, 2019 - ieeexplore.ieee.org
Almost without exception, cyber-physical systems operate alongside, for the benefit of, and
supported by humans. Unsurprisingly, disregarding their social aspects during development …

Predicting nonfunctional requirement violations in autonomous systems

X Fang, SG Yaman, R Calinescu, J Wilson… - ACM Transactions on …, 2024 - dl.acm.org
Autonomous systems are often used in applications where environmental and internal
changes may lead to requirement violations. Adapting to these changes proactively, ie …

Parameter synthesis for Markov models: covering the parameter space

S Junges, E Ábrahám, C Hensel, N Jansen… - Formal Methods in …, 2024 - Springer
Markov chain analysis is a key technique in formal verification. A practical obstacle is that all
probabilities in Markov models need to be known. However, system quantities such as …

Addressing the uncertainty interaction problem in software-intensive systems: Challenges and desiderata

J Cámara, R Calinescu, BHC Cheng, D Garlan… - Proceedings of the 25th …, 2022 - dl.acm.org
Software-intensive systems are increasingly used to support tasks that are typically
characterized by high degrees of uncertainty. The modeling notations employed to design …

Quantitative verification with adaptive uncertainty reduction

N Alasmari, R Calinescu, C Paterson… - Journal of Systems and …, 2022 - Elsevier
Stochastic models are widely used to verify whether systems satisfy their reliability,
performance and other nonfunctional requirements. However, the validity of the verification …