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Prof. Joost-Pieter Katoen receives the KHMV Langerhuijzen Lifetime Achievement Award 2026 for pioneering formal methods, software verification, and complex-system reliability.
Professor Joost-Pieter Katoen has received the KHMV Langerhuijzen Lifetime Achievement Award 2026 in recognition of his influential contributions to computer science, formal methods and software verification. The award highlights a research career spanning more than 25 years and Katoen’s international impact on improving the reliability of complex software systems.
The KHMV Langerhuijzen Award, formally known as the KHMW Langerhuizen Oeuvreprijs, is presented annually in the natural sciences. In 2026, the award was designated for computer science and mathematics, with Katoen selected for his internationally recognised research in formal verification and probabilistic programming. The award carries a monetary prize of €25,000.
The award was presented on 29 June 2026. The recognition reflects not only an individual academic achievement but also the growing importance of methods that can establish the reliability and safety of software used in critical environments.
A major part of Joost-Pieter Katoen’s career has focused on developing mathematical methods and practical tools to check whether complex software systems work as they are designed to.
His research in formal verification helps identify potential software errors before systems are deployed. This is particularly important for technologies where failures can have serious consequences, including satellites, trains, automobiles and flood-defence infrastructure.
Katoen has also made significant contributions to probabilistic verification. His work addresses systems in which uncertainty and complex behaviour must be considered when assessing reliability. These methods have helped advance research into the analysis and verification of increasingly sophisticated automated systems.
Katoen is Professor of Computer Science at RWTH Aachen University, where he specialises in software modelling and verification. He is also a part-time Professor of Formal Methods and Tools at the University of Twente. According to the University of Twente, he has helped shape international research in formal methods for more than two decades.
Over the course of his academic career, Joost-Pieter Katoen has received a wide range of research awards and international honours. His research has played an important role in areas such as model checking, concurrency theory, probabilistic model checking and probabilistic programming. Among his recent recognitions is the 2026 KHMW Langerhuizen Oeuvreprijs, which is also highlighted in his research profile at the University of Twente.
The Lifetime Achievement Award 2026 comes at a time when software is becoming central to transportation, infrastructure, artificial intelligence and other safety-critical technologies. As these systems become more complex, traditional testing alone may not always be sufficient to establish their reliability.
Katoen’s research demonstrates the role that mathematical reasoning and formal methods can play in addressing this challenge. By developing techniques capable of analysing complex software behaviour, his work supports the broader goal of building dependable digital systems.
The recognition of Prof. Joost-Pieter Katoen with the KHMV Langerhuijzen Lifetime Achievement Award 2026 underlines the long-term value of fundamental computer science research. His contributions to software verification, formal methods and complex-system reliability are likely to remain relevant as software continues to shape critical technologies and infrastructure.
