Ralf Wimmer

Orcid: 0000-0003-4973-7479

Affiliations:
  • Altair Engineering GmbH, Freiburg, Germany
  • Concept Engineering GmbH, Freiburg, Germany (former)
  • University of Freiburg, Institute of Computer Science, Germany (PhD 2011)


According to our database1, Ralf Wimmer authored at least 80 papers between 2004 and 2023.

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Bibliography

2023
Using Unit Propagation with Universal Reduction in DQBF Preprocessing.
CoRR, 2023

2022
Solving dependency quantified Boolean formulas using quantifier localization.
Theor. Comput. Sci., 2022

Diagnosing Partially Observable Markov Decision Processes.
Proceedings of the Methods and Description Languages for Modelling and Verification of Circuits and Systems, 2022


2021
Strategy Synthesis for POMDPs in Robot Planning via Game-Based Abstractions.
IEEE Trans. Autom. Control., 2021

Minimally Invasive HW/SW Co-debug Live Visualization on Architecture Level.
Proceedings of the GLSVLSI '21: Great Lakes Symposium on VLSI 2021, 2021

2020
Strengthening Deterministic Policies for POMDPs.
Proceedings of the NASA Formal Methods - 12th International Symposium, 2020

2019
The (D)QBF Preprocessor HQSpre - Underlying Theory and Its Implementation.
J. Satisf. Boolean Model. Comput., 2019

Quantifier Localization for DQBF.
CoRR, 2019

Correct-by-construction policies for POMDPs.
Proceedings of the Fifth International Workshop on Symbolic-Numeric methods for Reasoning about CPS and IoT, 2019

Counterexample-Guided Strategy Improvement for POMDPs Using Recurrent Neural Networks.
Proceedings of the Twenty-Eighth International Joint Conference on Artificial Intelligence, 2019

Localizing Quantifiers for DQBF.
Proceedings of the 2019 Formal Methods in Computer Aided Design, 2019

A PSPACE Subclass of Dependency Quantified Boolean Formulas and Its Effective Solving.
Proceedings of the Thirty-Third AAAI Conference on Artificial Intelligence, 2019

2018
Finite-State Controllers of POMDPs using Parameter Synthesis.
Proceedings of the Thirty-Fourth Conference on Uncertainty in Artificial Intelligence, 2018

Dependency Quantified Boolean Formulas: An Overview of Solution Methods and Applications - Extended Abstract.
Proceedings of the Theory and Applications of Satisfiability Testing - SAT 2018, 2018

Markov Automata on Discount!
Proceedings of the Measurement, Modelling and Evaluation of Computing Systems, 2018

Abstraktions-basierte Verifikation von POMDPs im Motion-Planning-Kontext.
Proceedings of the Methoden und Beschreibungssprachen zur Modellierung und Verifikation von Schaltungen und Systemen, 2018

From DQBF to QBF by Dependency Elimination.
Proceedings of the Methoden und Beschreibungssprachen zur Modellierung und Verifikation von Schaltungen und Systemen, 2018

Human-in-the-Loop Synthesis for Partially Observable Markov Decision Processes.
Proceedings of the 2018 Annual American Control Conference, 2018

Analysis of Incomplete Circuits Using Dependency Quantified Boolean Formulas.
Proceedings of the Advanced Logic Synthesis, 2018

2017
Cost vs. time in stochastic games and Markov automata.
Formal Aspects Comput., 2017

Permissive Finite-State Controllers of POMDPs using Parameter Synthesis.
CoRR, 2017

HQSpre - An Effective Preprocessor for QBF and DQBF.
Proceedings of the Tools and Algorithms for the Construction and Analysis of Systems, 2017

Long-Run Rewards for Markov Automata.
Proceedings of the Tools and Algorithms for the Construction and Analysis of Systems, 2017

Motion planning under partial observability using game-based abstraction.
Proceedings of the 56th IEEE Annual Conference on Decision and Control, 2017

2016
Dependency Schemes for DQBF.
Proceedings of the Theory and Applications of Satisfiability Testing - SAT 2016, 2016

Vorwort.
Proceedings of the 19th GI/ITG/GMM Workshop Methoden und Beschreibungssprachen zur Modellierung und Verifikation von Schaltungen und Systemen, 2016

Skolem Functions for DQBF.
Proceedings of the Automated Technology for Verification and Analysis, 2016

2015
Transient Reward Approximation for Continuous-Time Markov Chains.
IEEE Trans. Reliab., 2015

High-level Counterexamples for Probabilistic Automata
Log. Methods Comput. Sci., 2015

Abstraction-Based Computation of Reward Measures for Markov Automata.
Proceedings of the Verification, Model Checking, and Abstract Interpretation, 2015

Modeling Unknown Values in Test and Verification.
Proceedings of the Formal Modeling and Verification of Cyber-Physical Systems, 2015

Preprocessing for DQBF.
Proceedings of the Theory and Applications of Satisfiability Testing - SAT 2015, 2015

Towards Verification of Artificial Neural Networks.
Proceedings of the Methoden und Beschreibungssprachen zur Modellierung und Verifikation von Schaltungen und Systemen, 2015

Counterexamples for Expected Rewards.
Proceedings of the FM 2015: Formal Methods, 2015

Solving DQBF through quantifier elimination.
Proceedings of the 2015 Design, Automation & Test in Europe Conference & Exhibition, 2015

2014
Minimal counterexamples for linear-time probabilistic verification.
Theor. Comput. Sci., 2014

Symbolic counterexample generation for large discrete-time Markov chains.
Sci. Comput. Program., 2014

MeGARA: Menu-based Game Abstraction and Abstraction Refinement of Markov Automata.
Proceedings of the Proceedings Twelfth International Workshop on Quantitative Aspects of Programming Languages and Systems, 2014

Counterexample Generation for Discrete-Time Markov Models: An Introductory Survey.
Proceedings of the Formal Methods for Executable Software Models, 2014

Accelerating Parametric Probabilistic Verification.
Proceedings of the Quantitative Evaluation of Systems - 11th International Conference, 2014

Maybe or Maybe Not: Contributions to Stochastic Verification.
Proceedings of the Aspekte der Technischen Informatik, 2014

Fast Debugging of PRISM Models.
Proceedings of the Automated Technology for Verification and Analysis, 2014

2013
Equivalence Checking for Partial Implementations Revisited.
Proceedings of the Methoden und Beschreibungssprachen zur Modellierung und Verifikation von Schaltungen und Systemen (MBMV), 2013

Stochastic Bounded Model Checking: Bounded Rewards and Compositionality.
Proceedings of the Methoden und Beschreibungssprachen zur Modellierung und Verifikation von Schaltungen und Systemen (MBMV), 2013

Equivalence checking of partial designs using dependency quantified Boolean formulae.
Proceedings of the 2013 IEEE 31st International Conference on Computer Design, 2013

2012
Transient Reward Approximation for Grids, Crowds, and Viruses
CoRR, 2012

The COMICS Tool - Computing Minimal Counterexamples for Discrete-time Markov Chains
CoRR, 2012

Minimal Critical Subsystems for Discrete-Time Markov Models.
Proceedings of the Tools and Algorithms for the Construction and Analysis of Systems, 2012

Minimal Critical Subsystems as Counterexamples for omega-Regular DTMC Properties.
Proceedings of the Methoden und Beschreibungssprachen zur Modellierung und Verifikation von Schaltungen und Systemen (MBMV), 2012

Symbolic Counterexample Generation for Discrete-Time Markov Chains.
Proceedings of the Formal Aspects of Component Software, 9th International Symposium, 2012

The COMICS Tool - Computing Minimal Counterexamples for DTMCs.
Proceedings of the Automated Technology for Verification and Analysis, 2012

2011
Symbolische Methoden für die probabilistische Verifikation: Zustandsraumreduktion und Gegenbeispiele.
PhD thesis, 2011

Reachability analysis for incomplete networks of Markov decision processes.
Proceedings of the 9th IEEE/ACM International Conference on Formal Methods and Models for Codesign, 2011

SMT-based Counterexample Generation for Markov Chains.
Proceedings of the Methoden und Beschreibungssprachen zur Modellierung und Verifikation von Schaltungen und Systemen (MBMV), 2011

Symbolische Methoden für die probabilistische Verifikation: Zustandsraumreduktion und Gegenbeispiele.
Proceedings of the Ausgezeichnete Informatikdissertationen 2011, 2011

Counterexample Generation for Markov Chains Using SMT-Based Bounded Model Checking.
Proceedings of the Formal Techniques for Distributed Systems, 2011

Hierarchical Counterexamples for Discrete-Time Markov Chains.
Proceedings of the Automated Technology for Verification and Analysis, 2011

Bounded Fairness for Probabilistic Distributed Algorithms.
Proceedings of the 11th International Conference on Application of Concurrency to System Design, 2011

2010
Symbolic partition refinement with automatic balancing of time and space.
Perform. Evaluation, 2010

Symblicit Calculation of Long-Run Averages for Concurrent Probabilistic Systems.
Proceedings of the QEST 2010, 2010

DTMC Model Checking by SCC Reduction.
Proceedings of the QEST 2010, 2010

Correctness Issues of Symbolic Bisimulation Computation for Markov Chains.
Proceedings of the Measurement, 2010

Exploiting Different Strategies for the Parallelization of an SMT Solver.
Proceedings of the Methoden und Beschreibungssprachen zur Modellierung und Verifikation von Schaltungen und Systemen (MBMV), 2010

A Model Checker for AADL.
Proceedings of the Computer Aided Verification, 22nd International Conference, 2010

2009
Compositional Dependability Evaluation for STATEMATE.
IEEE Trans. Software Eng., 2009

Counterexample Generation for Discrete-Time Markov Chains Using Bounded Model Checking.
Proceedings of the Verification, 2009

Dependability Engineering of Silent Self-stabilizing Systems.
Proceedings of the Stabilization, 2009

Picoso - A Parallel Interval Constraint Solver.
Proceedings of the International Conference on Parallel and Distributed Processing Techniques and Applications, 2009

2008
Symbolic Partition Refinement with Dynamic Balancing of Time and Space.
Proceedings of the Fifth International Conference on the Quantitative Evaluaiton of Systems (QEST 2008), 2008

The Demand for Reliability in Probabilistic Verification.
Proceedings of the Methoden und Beschreibungssprachen zur Modellierung und Verifikation von Schaltungen und Systemen (MBMV), 2008

Propositional approximations for bounded model checking of partial circuit designs.
Proceedings of the 26th International Conference on Computer Design, 2008

Probabilistic Model Checking and Reliability of Results.
Proceedings of the 11th IEEE Workshop on Design & Diagnostics of Electronic Circuits & Systems (DDECS 2008), 2008

2007
Forwarding, Splitting, and Block Ordering to Optimize BDD-based Bisimulation Computation.
Proceedings of the Methoden und Beschreibungssprachen zur Modellierung und Verifikation von Schaltungen und Systemen (MBMV), 2007

Optimization techniques for BDD-based bisimulation computation.
Proceedings of the 17th ACM Great Lakes Symposium on VLSI 2007, 2007

2006
Compositional Performability Evaluation for STATEMATE.
Proceedings of the Third International Conference on the Quantitative Evaluation of Systems (QEST 2006), 2006

Minimization of Large State Spaces using Symbolic Branching Bisimulation.
Proceedings of the 9th IEEE Workshop on Design & Diagnostics of Electronic Circuits & Systems (DDECS 2006), 2006

Sigref- A Symbolic Bisimulation Tool Box.
Proceedings of the Automated Technology for Verification and Analysis, 2006

2005
BDDs in a Branch and Cut Framework.
Proceedings of the Experimental and Efficient Algorithms, 4th InternationalWorkshop, 2005

2004
Bounded Model Checking and Inductive Verification of Hybrid Discrete-continuous Systems.
Proceedings of the Methoden und Beschreibungssprachen zur Modellierung und Verifikation von Schaltungen und Systemen (MBMV), 2004


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