VARIABILITY 2026
Tue 29 September - Fri 2 October 2026

This program is tentative and subject to change.

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Tue 29 Sep

Displayed time zone: Athens change

08:00 - 17:00
09:00 - 10:30
The Engineering and Manufacture of Software-based Products (part I)Tutorials at Tutorials Room
09:00
90m
Talk
The Engineering and Manufacture of Software-based Products
Tutorials
Grady Campbell domain-specific.com
10:30 - 11:00
10:30
30m
Coffee break
Break
Catering

11:00 - 12:30
The Engineering and Manufacture of Software-based Products (part II)Tutorials at Tutorials Room
11:00
90m
Talk
The Engineering and Manufacture of Software-based Products
Tutorials
Grady Campbell domain-specific.com
12:30 - 14:00
12:30
90m
Lunch
Lunch
Catering

14:00 - 15:30
Product Comparison using Feature Similarity Matching (part I)Tutorials at Tutorials Room
14:00
90m
Talk
Product Comparison using Feature Similarity Matching
Tutorials
Mike Mannion Glasgow Caledonian University, Hermann Kaindl Institute of Computer Technology, TU Wien
15:30 - 16:00
15:30
30m
Coffee break
Break
Catering

16:00 - 17:30
16:00
90m
Panel
Research Methodologies
Doctoral Symposium
Iris Reinhartz-Berger University of Haifa, Rick Rabiser LIT CPS, Johannes Kepler University Linz, Gilles Perrouin Fonds de la Recherche Scientifique - FNRS & University of Namur
16:00 - 17:30
Product Comparison using Feature Similarity Matching (Part II)Tutorials at Tutorials Room
16:00
90m
Talk
Product Comparison using Feature Similarity Matching
Tutorials
Mike Mannion Glasgow Caledonian University, Hermann Kaindl Institute of Computer Technology, TU Wien

Wed 30 Sep

Displayed time zone: Athens change

08:00 - 17:00
09:00 - 09:15
09:00
15m
Day opening
VARIABILITY 2026 Opening
Opening & Keynotes

09:15 - 10:15
Keynote: Jean-Marc JézéquelOpening & Keynotes at Plenary Room
09:15
60m
Keynote
The Quest for the GREAL
Opening & Keynotes
Jean-Marc Jézéquel Univ Rennes, IUF, INRIA, CNRS, IRISA
10:15 - 10:30
Demos & Tools TeasersDemonstration and Tools at Plenary Room
10:15
15m
Talk
Demonstrations and Tools Teasers
Demonstration and Tools

10:30 - 11:00
10:30
30m
Coffee break
Break
Catering

11:00 - 12:30
11:00
22m
Talk
Enabling SAT-based Analysis of Cardinality-Based Feature Models By Unfolding
Research Papers
Lukas Güthing Karlsruhe Institute of Technology
11:22
22m
Talk
Reconstruction of Cardinality Constraints for Multi-Instance Configuration Spaces
Research Papers
11:45
22m
Talk
Towards Decentralized Feature Models
Research Papers
Mukelabai Mukelabai Ruhr University Bochum, Johan Martinson Ruhr University Bochum, Wardah Mahmood Chalmers | University of Gothenburg, Rafael Capilla Universidad Rey Juan Carlos, Thorsten Berger Ruhr University Bochum
12:07
22m
Talk
FM-PRO: A Feature Modeling Process
Journal First
Thorsten Berger Ruhr University Bochum, Jude Gyimah , Johan Martinson Ruhr University Bochum, Wardah Mahmood Chalmers | University of Gothenburg
12:30 - 14:00
12:30
90m
Lunch
Lunch
Catering

14:00 - 15:30
14:00
22m
Talk
An Instrument for Measuring Variability Thinking
Research Papers
David Romero Organvídez , Jesus Moreno , Jose Galindo University of Seville, David Benavides Universidad de Sevilla
14:22
22m
Talk
Software Reuse in the Age of AI: A Survey of Practices, Satisfaction, and Barriers
Research Papers
Iris Reinhartz-Berger University of Haifa, Zarima Fram
14:45
22m
Talk
Usability Analysis of Configurator User Interfaces with Multimodal Large Language Models
Research Papers
Sebastian Lubos Graz University of Technology, Alexander Felfernig Graz University of Technology, Damian Garber Graz University of Technology, Adnan Kraljić , Tarik Kraljić , Viet-Man Le Graz University of Technology, Thi Ngoc Trang Tran , Gerhard Leitner , Julian Schwazer , Doris Suppan , Reinhard Willfort , Ivan Dukic , Jeremias Fuchs , Manuel Henrich UNiQUARE Software Development GmbH
15:07
22m
Talk
Community-Driven Variability: Characterizing a new Software Variability Paradigm -- Summary
Journal First
Roman Bögli University of Bern, Alexander Boll University of Bern, Alexander Schultheiß Humboldt University of Berlin, Timo Kehrer University of Bern
15:30 - 16:00
15:30
30m
Coffee break
Break
Catering

16:00 - 17:06
Variability in Industrial and Cyber-Physical SystemsJournal First / Project Showcase / Social and Networking Events / Industry Track / Research Papers at Plenary Room
16:00
22m
Talk
Is it Satisfiable? SMT-Based Consistency Checking in Variability-Intensive Cyber-Physical Production Systems
Research Papers
Malte Grave , Fabio Baraldi , Lisa Sonnleithner CDL VaSiCS, LIT CPS Lab, Johannes Kepler University Linz, Rick Rabiser LIT CPS, Johannes Kepler University Linz
16:22
22m
Talk
Towards Consistent, Variability-Aware Views in Systems Development
Research Papers
Fabian Eger Karlsruhe Institute of Technology, Lars König Karlsruhe Institute of Technology (KIT), Thomas Weber Karlsruhe Institute of Technology (KIT), Dirk Neumann Karlsruhe KIT, Kevin Feichtinger Karlsruhe Institute of Technology (KIT), Erik Burger Karlsruhe Institute of Technology (KIT), Ralf Reussner Karlsruhe Institute of Technology (KIT) and FZI - Research Center for Information Technology (FZI)
16:44
22m
Talk
Understanding Variability Evolution in Automotive Product Lines - Insights from Volkswagen
Industry Track
17:06 - 19:00
Demonstrations & Tools PresentationsDemonstration and Tools at Plenary Room
17:06
16m
Talk
The CFM Toolbox: An Extensible Framework For Modeling and Analyzing Cardinality-Based Feature Models
Demonstration and Tools
Lukas Güthing Karlsruhe Institute of Technology, Ina Schaefer KIT
17:22
16m
Talk
SMT-Based Consistency Checking for the V4rdiac CPPS Variability Management Approach
Demonstration and Tools
Malte Grave , Fabio Baraldi , Lisa Sonnleithner CDL VaSiCS, LIT CPS Lab, Johannes Kepler University Linz, Rick Rabiser LIT CPS, Johannes Kepler University Linz
17:38
16m
Talk
Consistent Variability in Time via Git
Demonstration and Tools
Tom Felber , Sebastian Götz Technische Universität Dresden, Dmytro Pukhkaiev Technische Universität Dresden, Volodymyr Prokopets Technische Universität Dresden, Uwe Aßmann TU Dresden, Germany
17:54
16m
Talk
kconfirm: A Fast Static Checker for Kconfig
Demonstration and Tools
18:11
16m
Talk
Feature-model-based Benchmark Analysis for Highly-configurable Optimizers
Demonstration and Tools
Leander Sömisch , Dmytro Pukhkaiev Technische Universität Dresden
18:27
16m
Talk
HAnS-FeatRacer: A Recommender System for Embedded Feature Annotations
Demonstration and Tools
Maurice Beintmann , Kevin Hermann Ruhr University Bochum, Mukelabai Mukelabai Ruhr University Bochum, Thorsten Berger Ruhr University Bochum
18:43
16m
Talk
CDV-Explorer: Navigating Improvement Proposal Spectra in Decentralized OSS Ecosystem
Demonstration and Tools
Roman Bögli University of Bern, Timo Kehrer University of Bern
19:00 - 22:00
19:00
3h
Social Event
VARIABILITY 2026 Reception
Social and Networking Events

Thu 1 Oct

Displayed time zone: Athens change

08:00 - 17:00
09:00 - 10:30
Keynote: Sigrid EdlhOpening & Keynotes at Plenary Room
09:00
90m
Keynote
Why Variability is needed in AI & Agentic Automated Software
Opening & Keynotes
Sigrid Eldh Ericsson AB, Mälardalen University, Carleton University
10:30 - 11:00
10:30
30m
Coffee break
Break
Catering

11:00 - 12:06
AI for Variability EngineeringResearch Papers at Plenary Room
11:00
22m
Talk
Do LLMs Know UVL? Quantifying Factual Knowledge and Generative Capabilities in Variability Engineering
Research Papers
José Miguel Horcas Aguilera Universidad de Málaga, Joaquin Ballesteros , Mónica Pinto Universidad de Málaga, Lidia Fuentes Universidad de Málaga, Spain
11:22
22m
Talk
Investigating LLMs for Feature Presence Prediction in Software Products
Research Papers
Guillaume Nguyen University of Namur, Paolo Arcaini National Institute of Informatics, Maxime Cordy University of Luxembourg, Luxembourg, Xavier Devroey University of Namur, Fuyuki Ishikawa National Institute of Informatics
Pre-print
11:44
22m
Talk
LLM-assisted Code Generation and Reuse: An Exploratory Study on Contextual Information
Research Papers
12:30 - 14:00
12:30
90m
Lunch
Lunch
Catering

14:00 - 15:30
Assurance, Testing and OptimizationResearch Papers / Project Showcase at Plenary Room
14:00
22m
Talk
Combining Constraint Programming and Simulated Annealing for Test Configuration Selection
Research Papers
14:22
22m
Talk
Family-Based Vulnerability Discovery for Highly-Configurable Software Systems
Research Papers
Tim Bächle , Erik Hofmayer , Tobias Pett Karlsruhe Institute for Technology (KIT), Germany
14:45
22m
Talk
Taming the Trade-off: Efficiency vs. Quality in N-Way Model Matching
Research Papers
Jonas Spieler University of Bern, Roman Bögli University of Bern, Stephan Weiss , Timo Kehrer University of Bern
15:07
22m
Talk
SMAUG: System-Level Modelling and Optimized Use of Disruptive Memory Technologies
Project Showcase
Birte Friesel Osnabrück University, Marcel Lütke Dreimann Osnabrück University, Olaf Spinczyk Universität Osnabrück
15:30 - 16:00
15:30
30m
Coffee break
Break
Catering

16:00 - 17:00
Most Influential Paper AwardsMIP Award at Plenary Room
16:00
30m
Talk
SPLC 2025 MIP Award
MIP Award

16:30
30m
Awards
VARIABILITY 2026 MIP Award
MIP Award

17:00 - 18:00
17:00
60m
Meeting
Townhall Meeting
Social and Networking Events

19:30 - 23:00
19:30
3h30m
Social Event
VARIABILITY 2026 Gala Dinner
Social and Networking Events

Fri 2 Oct

Displayed time zone: Athens change

08:00 - 17:00
09:00 - 10:30
Variability Evolution and Future DirectionsJournal First / Research Papers at Plenary Room
09:00
22m
Talk
Feature Toggle Dynamics in Large-Scale Systems: Prevalence, Growth, Lifespan, and Benchmarking
Research Papers
Xhevahire Tërnava LTCI, Télécom Paris, Institut Polytechnique de Paris, France
09:22
22m
Talk
Where Did the Variability Go? From Vibe Coding to Product Lines by Regeneration
Research Papers
Xhevahire Tërnava LTCI, Télécom Paris, Institut Polytechnique de Paris, France
09:45
22m
Talk
Assurance Case Development For Evolving Software Product Lines: A Formal Approach
Journal First
Logan Murphy University of Toronto, Torin Viger , Alessio Di Sandro , Aren Babikian McGill University, Marsha Chechik University of Toronto
10:07
22m
Talk
UVL: Feature Modelling with the Universal Variability Language -- Summary
Journal First
David Benavides Universidad de Sevilla, Chico Sundermann TU Braunschweig, Kevin Feichtinger Karlsruhe Institute of Technology (KIT), Jose Galindo University of Seville, Rick Rabiser LIT CPS, Johannes Kepler University Linz, Thomas Thüm TU Braunschweig
10:30 - 11:00
10:30
30m
Coffee break
Break
Catering

11:00 - 12:30
Analysis, Reasoning and Configuration SpacesResearch Papers at Plenary Room
11:00
22m
Talk
Automated Analysis of UVL using Satisfiability Modulo Theories
Research Papers
José Miguel Horcas Aguilera Universidad de Málaga, Francisco S. Benitez , Jose Galindo University of Seville, David Benavides Universidad de Sevilla
11:22
22m
Talk
MONOPOLY: Product Line Analysis via Monotonicity
Research Papers
Logan Murphy University of Toronto, Marc Carwehl Humboldt-Universität zu Berlin, Juliane Päßler , Marsha Chechik University of Toronto
11:45
22m
Talk
Reasoning about variability models through network analysis
Research Papers
José Manuel Sánchez Ruiz , Miguel Olivero University of Sevilla, Ruben Heradio UNED (Universidad Nacional de Educacion a Distancia), Luis Cambelo UNED (Universidad Nacional de Educacion a Distancia), David Fernandez-Amoros UNED
12:07
22m
Talk
Uniform Retainment Sampling for Evolving Software Configuration Spaces
Research Papers
Nikolai Käfer , Sven Apel Saarland University, Christel Baier TU Dresden, Germany, Clemens Dubslaff Eindhoven University of Technology, Holger Hermanns Saarland University
12:30 - 14:00
12:30
90m
Lunch
Lunch
Catering

14:00 - 15:30
Feature Mining, Identification and TraceabilityResearch Papers / Journal First at Plenary Room
14:00
22m
Talk
Benefits and Drawbacks of Extensive User Involvement in Variability Mining: A User Study in the CPPS Domain
Research Papers
Alexander Stummer , Shubham Sharma , Rick Rabiser LIT CPS, Johannes Kepler University Linz
14:22
22m
Talk
Overhead of Recording Feature Locations with Embedded Annotations
Research Papers
Johan Martinson Ruhr University Bochum, Kevin Hermann Ruhr University Bochum, Thorsten Berger Ruhr University Bochum
14:45
22m
Talk
Semantic-Driven Feature Identification In Software Variants Using Transformers
Research Papers
Johannes Stümpfle University of Stuttgart, Sebastian Baum , Jonathan Fuss , Lennard Hettich , Nasser Jazdi University of Stuttgart, Michael Weyrich Universiy of Stuttgart
15:07
22m
Talk
A taxonomy of functional security features and how they can be located
Journal First
Kevin Hermann Ruhr University Bochum, Simon Schneider Hamburg University of Technology, Catherine Tony Hamburg University of Technology, Asli Yardim , Sven Peldszus Chalmers | University of Gothenburg, Thorsten Berger Ruhr University Bochum, Riccardo Scandariato Hamburg University of Technology, M. Angela Sasse University College London, Alena Naiakshina Ruhr University Bochum
15:30 - 16:00
15:30
30m
Coffee break
Break
Catering

16:00 - 17:30
16:00
22m
Talk
Controlling Variability in Neuroimaging Analysis Pipelines with Software Product Lines
Research Papers
Gauthier Le Bartz Lyan , Paul Temple IRISA, Boris Clénet , Mathieu Acher Univ Rennes, Inria, CNRS, IRISA
16:22
22m
Talk
Configurable Industrial AI Agent Families: A Case Study of Manufacturing Root Cause Analysis Agents
Industry Track
16:45
22m
Talk
MARGoS: A Configuration-Driven Platform for Reproducible MARL Experiments in ARGoS
Project Showcase
Tom Backert University of Luebeck, Mohammad D. Soorati University of Southampton, Javad Ghofrani Bonn-Rhein-Sieg University of Applied Sciences, Germany
17:07
22m
Day closing
VARIABILITY 2026 Closing
Social and Networking Events