Sebastian Junges

sjp_8106_01

This website is now outdated. Please visit my new website.

In February 2020, I defended my PhD Thesis titled ‘Parameter Synthesis in Markov Models’ with honours.

I was a PhD student at the Software Modeling and Verification Group between June 2015 and February 2020. From October 2017 until February 2020, I was affiliated with the Research Training Group UnRAVeL.

You can also find me on DBLP and Google Scholar.

Research interests

  • Model checking of quantitative (parameterised) systems
  • Policy synthesis for variants of partially observable MDPs
  • Formal aspects of reliability engineering, in particular fault trees
  • SMT-solving for real arithmetic
  • Formal modelling of real-world systems

Tool support

Over the years, I’ve been involved in the development of the following tools to advance the state-of-the-art in computer aided verification:

  • The SMT-solver SMT-RAT (2011 — 2015)
  • The arithmetic library carl (2012 — 2015) and its python bindings pycarl (since 2016)
  • Compass (2014)
  • The Markov Chain Parameter Synthesis Framework PROPhESY (since 2014)
  • The Probabilistic Model Checker Storm (since 2014) and its python bindings stormpy (since 2016)

B.Sc or M.Sc theses

I’m always looking forward to work with students. If you’re looking for a thesis in one of the areas above, do not hesitate to contact me! Some ideas are given in our list of open topics.

Previously, I supervised the following theses (chronological order):

  • Tom Janson, Accelerated Model Repair using Heuristic Analysis of Subsystems (BSc)
  • Tim QuatmannMulti-Objective Model Checking for Markov Automata (MSc)
  • Ronja Nocon, Pattern-based detection of Monotonicity in Dynamic Fault Trees (BSc) [together with Matthias Volk]
  • Michael Deutschen, GSPN Semantics for Dynamic Fault Trees (MSc) [together with Matthias Volk]
  • Dustin Jungen, Repairs in Dynamic Fault Trees (BSc) [together with Matthias Volk]
  • Sebastian Kruse, Model Checking a Wireless Token-Passing Network (MSc)
  • Sven Deserno,  Model Checking Families of Markov Chains (MSc) [together with Benjamin Kaminski]
  • Jip SpelMonotonicity in Markov Chains (MSc)

Teaching

I was involved in teaching assistance for the following lectures:

Furthermore, I supervised students in the scope of the following seminars:

Reviewer

I have been PC Member for the Artefact Evaluation of ATVA. 

I have been an external reviewer for the following venues:
ATVA, ADHS, CAV, CDC, FM, FORTE, Gandalf, ICALP, iFM, MMB, HVC, PSI, QEST, SafeComp,

and for the following journals:
FMSD, J.Systems and Software.

2022
DOI [bibtex]
@article{COPSM2022,
title = {Convex Optimization for Parameter Synthesis in MDPs},
author = {Murat Cubuktepe and Nils Jansen and Sebastian Junges and Joost-Pieter Katoen and Ufuk Topcu},
publisher = {Institute of Electrical and Electronics Engineers},
journal = {IEEE transactions on automatic control},
volume = {67(12)},
pages = {pages 6333-6348},
type = {Journal Article},
year = {2022},
doi = {10.1109/TAC.2021.3133265},
url = { https://publications.rwth-aachen.de/record/888868},
}×
[issue]
Murat Cubuktepe, Nils Jansen, Sebastian Junges, Joost-Pieter Katoen, Ufuk Topcu. Convex Optimization for Parameter Synthesis in MDPs, IEEE transactions on automatic control 67 (12), pages 6333-6348, Institute of Electrical and Electronics Engineers, 2022.
2021
DOI [bibtex]
@article{C2021,
title = {Counterexample-guided inductive synthesis for probabilistic systems},
author = {Milan Češka and Hans Christian Hensel and Sebastian Junges and Joost-Pieter Katoen},
publisher = {Springer},
journal = {Formal aspects of computing},
volume = {33(4/5)},
pages = {pages 637-667},
type = {Journal Article},
year = {2021},
doi = {10.1007/s00165-021-00547-2},
url = { https://publications.rwth-aachen.de/record/820111},
}×
[issue]
Milan Češka, Hans Christian Hensel, Sebastian Junges, Joost-Pieter Katoen. Counterexample-guided inductive synthesis for probabilistic systems, Formal aspects of computing 33 (4/5), pages 637-667, Springer, 2021.
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