CPAchecker Framework Professors and Supervisors

Thomas Lembergerمشاهده پروفایل

پژوهشگر

Ludwig Maximilian University of MunichGermany

Thomas Lemberger is a researcher in the Department of Computer Science at Ludwig-Maximilians-Universität München (LMU Munich), contributing to the Software and Computational Systems Lab. He specializes in software verification, formal methods, and automated testing, with a focus on improving tool efficiency and scalability. His work includes extensions to CPAchecker, such as distributed summary synthesis and cooperative verification approaches, as well as developing user-friendly tools like CoVeriTeam GUI. His research interests involve integrating verification into build systems and IDEs, optimizing verification workflows, and exploring hybrid techniques that combine testing and formal methods. He has actively participated in competitions like SV-COMP and Test-Comp, contributing tools like PRTest and Nacpa. His projects aim to reduce tool restarts, enhance fault localization, and streamline verification processes through parallel portfolio analyses. Thomas mentors students on topics related to verification tool development, test-case generation, and open-source software. His contributions are supported by grants from the DFG (CONVEY, COOP, IDEFIX), emphasizing cooperative verification and scalable analysis. Recent work focuses on enabling developers to use verification tools seamlessly within their existing workflows.

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Philipp Wendlerمشاهده پروفایل

مدرس

Ludwig Maximilian University of MunichGermany

Philipp Wendler is an academic lecturer in the Department of Computer Science at Ludwig-Maximilians-Universität München (LMU Munich). He is affiliated with the Software and Computational Systems Lab and actively involved in research, teaching, and open-source tool development. As an employee representative in the steering committee of the Institute of Informatics, he contributes to institutional governance. His research focuses on software verification, formal methods, and program analysis. Key projects include CPAchecker (a configurable verification framework) and BenchExec (a benchmarking tool). His work emphasizes practical applications in automated testing, energy-efficient algorithms, and reproducible benchmarking. Publications span topics like interpolation-based model checking, energy measurement tools, and strategies for software verification competitions. He has contributed to advancing predicate analysis, k-induction, and refinement selection techniques. Notable achievements include leading the development of CPAchecker and BenchExec, which are widely used in academic and industrial verification efforts. His research addresses challenges in scalable verification, flaky test analysis, and energy-aware computing.

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Nian-Ze Leeمشاهده پروفایل

استادیار

Max Planck Institute for Security and PrivacyGermany

Nian-Ze Lee is an Assistant Professor at the Department of Electrical Engineering, College of Electrical Engineering and Computer Science, National Taiwan University, Taiwan, where they lead the Formal Methods and Analysis for Computing and Engineering Laboratory (ForMACE Lab). Additionally, Lee holds a position as a Gastprofessor (Guest Professor) affiliated with the Software and Computational Systems Lab (SoSy-Lab) at LMU Munich, Germany. Lee's research focuses on formal methods, with particular expertise in model checking, program analysis, and electronic design automation. Their work bridges hardware and software verification, developing techniques that transfer methodologies between these domains. A significant portion of their research involves stochastic Boolean satisfiability and threshold logic circuits, with applications in both hardware and software verification. Lee's recent publications demonstrate a strong trend toward developing cross-domain verification techniques, particularly focusing on how hardware model checking approaches can be adapted for software verification. Their work on interpolation-based model checking and configurable program analysis has received recognition through multiple best paper and artifact awards at top-tier conferences. ACM SIGSOFT Distinguished Paper Award (FSE 2024) Best Artifact Award (FSE 2024) Distinguished Artifact Award (TACAS 2024) Best Paper Award (SPIN 2024) Lee has secured research funding including a grant from the German Research Foundation (DFG) for the project 'Bridging Hardware and Software Analysis.' They actively maintain several software projects including Btor2C, Btor2-Cert, CPV, MoXIchecker, and contribute to CPAchecker and BenchExec. Lee is currently recruiting Ph.D., Master's, and Bachelor's students to work on formal methods research, with Ph.D. students potentially enrolled at LMU Munich through a DFG-funded project.

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Nian-Ze Leeمشاهده پروفایل

استادیار

Ludwig Maximilian University of MunichGermany

Nian-Ze Lee is an Assistant Professor at the Department of Electrical Engineering of National Taiwan University, leading the Formal Methods and Analysis for Computing and Engineering Laboratory (ForMACE Lab). He is also a Guest Professor affiliated with the Software and Computational Systems Lab (SoSy-Lab) at Ludwig-Maximilians-Universität München (LMU Munich), Germany. He holds a Ph.D. in Electronics Engineering from National Taiwan University (2021). His research focuses on formal methods, hardware and software verification, and circuit-based analysis. Education: Ph.D. in Electronics Engineering, National Taiwan University (2021) Research Interests: Formal methods for hardware and software systems Model checking and verification frameworks Circuit-based program verification (e.g., Btor2C translator) Algorithm selection for verification tools Awards: ACM SIGSOFT Distinguished Paper Award (2025) Best Artifact Award (2024) DFG Grant for Bridging Hardware and Software Analysis (2024) Advising & Grants: Supervises Ph.D./Master’s students on topics like algorithm selection and verification frameworks Recipient of DFG grant enabling collaboration between NTU and LMU Munich Labs/Teams: ForMACE Lab (NTU) – Focuses on formal methods and system analysis SoSy-Lab (LMU) – Collaborations on verification tools and frameworks

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Dirk Beyerمشاهده پروفایل

استاد

National Research Institute for Mathematics and Computer ScienceNetherlands

Dirk Beyer is a Full Professor and Head of Research Chair at the Department of Computer Science, Ludwig-Maximilians-Universität München (LMU Munich), where he leads the Software and Computational Systems Lab. His research focuses on developing models, algorithms, and tools for constructing and analyzing reliable software systems, with emphasis on software verification, model checking, and static analysis. Professor Beyer's research spans multiple critical areas in software engineering and formal methods. He has made significant contributions to software model checking through tools like CPAchecker and BLAST, structure analysis of large systems using CrocoPat and CCVisu, and formal verification of real-time systems with Rabbit. His work on interfaces for component-based design (Chic) has advanced modular software development approaches. Beyer has pioneered methodologies in benchmarking and reliable experimental evaluation through BenchExec, which has become a standard in tool competitions. Analysis of his recent publications reveals a strong focus on advancing software verification techniques, particularly in transferring knowledge between hardware and software verification domains, decomposing verification tasks for parallel processing, and improving the effectiveness of verification witnesses. His work consistently bridges theoretical foundations with practical tool implementations, with a growing emphasis on comparative evaluation and competition frameworks that drive the field forward. ACM SIGSOFT Distinguished Paper Award (FSE 2024) ACM SIGSOFT Best Artifact Award (FSE 2024) As a principal investigator of the DFG Research Training Group ConVeY, Beyer has secured significant funding for advancing verification techniques. He has played leadership roles in numerous software verification competitions including SV-COMP and Test-Comp, serving as PC Chair for major conferences like TACAS 2018 and VMCAI 2020. His service contributions extend to chairing ETAPS 2022 and organizing multiple workshops on CPAchecker. Professor Beyer leads the Software and Computational Systems Lab at LMU Munich, which has developed numerous influential verification tools including CPAchecker (configurable software verification), BenchExec (reliable benchmarking), and CCVisu (software structure visualization). The lab maintains active collaborations with research groups worldwide and contributes significantly to the international verification community through competitions, benchmarks, and open-source tool development.

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Dirk Beyerمشاهده پروفایل

استاد

Ludwig Maximilian University of MunichGermany

Dirk Beyer is a Full Professor of Software Engineering and Formal Verification at the Department of Computer Science, Ludwig-Maximilians-Universität München (LMU). He leads the Software and Computational Systems Lab (SOSY-LAB) and focuses on developing models, algorithms, and tools for constructing and analyzing reliable software systems. His research includes software model checking, static analysis, formal verification of real-time systems, and software structure analysis. Key contributions include the development of tools like CPAchecker (a configurable software verification system), CCVisu (for visual software decomposition), and BLAST (a foundational software model checker). He actively participates in international competitions such as SV-COMP (Software Verification Competition) and Test-Comp (Software Testing Competition), advancing the state of the art in automated verification and testing. His work emphasizes tool integration, off-the-shelf component composition, and cooperative verification approaches. Dirk also contributes to the formal methods community through service roles, including organizing conferences like TACAS and VMCAI, and co-chairing international events.

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Marie-Christine Jakobsمشاهده پروفایل

استاد

Ludwig Maximilian University of MunichGermany

Marie-Christine Jakobs is a Professor of Reliable Software at Ludwig-Maximilians-Universität München (LMU Munich). She holds a doctorate from Paderborn University (2017) and previously served as an assistant professor at TU Darmstadt (2019-2023). Her research focuses on formal methods for software verification, including static analysis, model checking, and tool development. She leads the Software and Computational Systems Lab and contributes to projects like CPAchecker. Current research interests include incremental verification, verifier combinations, and functional equivalence checking. Education: BSc/MSc in Computer Science from Paderborn University (2012), PhD in Computer Science (2017). Postdoctoral research at LMU Munich (2017-2019). Research Interests: Formal verification techniques, efficient reverification methods, tool development (CPAchecker), and validation of verification results. She explores combining verifiers, test-case generation, and equivalence checking to enhance software reliability. Grants: Involved in DFG projects (ReVeriX, ConVeY) and LOEWE Software Factory 4.0. Supervises PhD students in formal methods and verification. Labs/Teams: Software and Computational Systems Lab at LMU Munich. Active in tool development and verification competitions.

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Matthias Danglمشاهده پروفایل

پژوهشگر

Ludwig Maximilian University of MunichGermany

Matthias Dangl is a researcher at the Department of Computer Science, Ludwig-Maximilians-Universität München (LMU Munich), within the Software and Computational Systems Lab. Previously, he was affiliated with the University of Passau, where he contributed to software engineering education and research. His research focuses on software verification, model checking, and formal methods, with a particular emphasis on witness-based validation and SMT-based techniques. He has developed tools like CPAchecker, which are widely recognized in academic and industrial verification communities. Dangl has won multiple awards, including categories in SV-COMP'15 and medals for his contributions to software verification. His work bridges theoretical advancements with practical implementations, enhancing the reliability of software systems through automated reasoning and verification. Education: PhD in Computer Science (2022), LMU Munich Master's in Computer Science (2013), University of Passau Research Interests: Software Verification Model Checking Witness-Based Validation SMT Solvers Formal Methods in Software Engineering Grants & Collaborations: His research is supported by collaborations with academic and industrial partners, focusing on advancing verification frameworks and tools. Labs/Teams: He is a core member of the Software Systems Lab at LMU Munich, contributing to projects like the VerifierCloud and CPAchecker.

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Thomas Lembergerمشاهده پروفایل

پژوهشگر

National and Kapodistrian University of AthensGreece

Dr. Thomas Lemberger is a researcher at the Software and Computational Systems Lab in the Department of Computer Science at Ludwig-Maximilians-Universität München (LMU Munich). He holds a PhD and is actively involved in software verification research, particularly with the CPAchecker framework. His work spans multiple aspects of formal methods and software testing. Dr. Lemberger's research focuses on software verification, code analysis, software testing, fault localization, and program repair. His work explores cooperative approaches across test generation and formal verification, aiming to combine the strengths of different verification techniques. He has made significant contributions to distributed verification, witness-based validation, and fault localization techniques. His research often addresses practical challenges in scaling verification to real-world software systems. His publication record shows a strong focus on decomposing verification tasks into manageable components, improving verification efficiency through parallelization, and creating practical tools that bridge the gap between theoretical verification techniques and practical software development workflows. Recent work emphasizes cooperative verification approaches that combine multiple techniques to overcome individual limitations. Dr. Lemberger has been nominated for best paper at SPIN 2024 for his work on fault localization with verification witnesses, highlighting the recognition of his contributions to the field. He actively mentors numerous BSc and MSc students on various verification-related topics, covering areas from microservice verification to automatic program repair. His research is supported by German Research Foundation (DFG) projects including DFG-CONVEY, DFG-COOP, and DFG-IDEFIX. Dr. Lemberger is a key contributor to the CPAchecker verification framework and has developed tools like CoVeriTeam GUI that enable no-code composition of verification workflows. His work bridges theoretical verification research with practical tool development for real-world software engineering challenges.

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Matthias Kettlمشاهده پروفایل

پژوهشگر

Max Planck Institute for Security and PrivacyGermany

Matthias Kettl is a researcher at Ludwig Maximilian University of Munich specializing in formal verification and software analysis. Affiliated with the SOSY Lab, his work focuses on advancing verification frameworks and fault detection methodologies. His research spans Formal Verification , Software Verification , and Distributed Systems , with significant contributions to mutation testing fault patterns, verification witness analysis, and distributed program synthesis. Key projects include enhancements to the CPAchecker framework and empirical studies of partial program fixes. Recent publications demonstrate strong trends in scalable verification techniques, with increasing emphasis on distributed computing approaches for handling complex software systems. His work bridges theoretical formal methods with practical tool development. As an active contributor to major software engineering conferences (ASE, ICSE, ESEC/FSE), Kettl maintains strong industry-academia connections through open-source projects on GitHub, including contributions to sv-benchmarks and benchexec frameworks.

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Marian Lingsch-Rosenfeldمشاهده پروفایل

پژوهشگر

Max Planck Institute for Security and PrivacyGermany

Marian Lingsch-Rosenfeld is a researcher at the Department of Computer Science, Ludwig-Maximilians-Universität München (LMU Munich), affiliated with the Software and Computational Systems Lab. Based in Office Room F 012 at Oettingenstraße 67, Munich, they actively contribute to software verification research and mentor graduate students through thesis projects. Research interests focus on software verification , program analysis , and model checking , with specific expertise in predicate abstraction, constrained horn clauses, and deductive verification techniques. Their work bridges theoretical foundations with practical verification tools, particularly CPAchecker. Recent publications demonstrate significant contributions to verification witnesses, program transformations, and loop abstraction techniques. Conference participation includes active roles in ASE, ECOOP, and VMCAI as both author and committee member for artifact evaluation. As a thesis supervisor, they guide students through advanced topics including: Constrained-Horn-Clause export for CPAchecker BMC algorithm performance improvements Software Verification Witnesses extensions Deductive verifier development Compiler optimizations impact analysis Available for consultation via office hours by appointment through meet.lrz.de, with communication primarily via university email channels.

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