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Documents authored by Müller-Olm, Markus

Document
DOI: 10.4230/LIPIcs.CONCUR.2020.50
Propositional Dynamic Logic for Hyperproperties

Authors: Jens Oliver Gutsfeld, Markus Müller-Olm, and Christoph Ohrem

Published in: LIPIcs, Volume 171, 31st International Conference on Concurrency Theory (CONCUR 2020)

Abstract
Information security properties of reactive systems like non-interference often require relating different executions of the system to each other and following them simultaneously. Such hyperproperties can also be useful in other contexts, e.g., when analysing properties of distributed systems like linearizability. Since common logics like LTL, CTL, or the modal μ-calculus cannot express hyperproperties, the hyperlogics HyperLTL and HyperCTL^* were developed to cure this defect. However, these logics are not able to express arbitrary ω-regular properties. In this paper, we introduce HyperPDL-Δ, an adaptation of the Propositional Dynamic Logic of Fischer and Ladner for hyperproperties, in order to remove this limitation. Using an elegant automata-theoretic framework, we show that HyperPDL-Δ model checking is asymptotically not more expensive than HyperCTL^* model checking, despite its vastly increased expressive power. We further investigate fragments of HyperPDL-Δ with regard to satisfiability checking.
Cite as

Jens Oliver Gutsfeld, Markus Müller-Olm, and Christoph Ohrem. Propositional Dynamic Logic for Hyperproperties. In 31st International Conference on Concurrency Theory (CONCUR 2020). Leibniz International Proceedings in Informatics (LIPIcs), Volume 171, pp. 50:1-50:22, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2020)

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@InProceedings{gutsfeld_et_al:LIPIcs.CONCUR.2020.50,
  author =	{Gutsfeld, Jens Oliver and M\"{u}ller-Olm, Markus and Ohrem, Christoph},
  title =	{{Propositional Dynamic Logic for Hyperproperties}},
  booktitle =	{31st International Conference on Concurrency Theory (CONCUR 2020)},
  pages =	{50:1--50:22},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-95977-160-3},
  ISSN =	{1868-8969},
  year =	{2020},
  volume =	{171},
  editor =	{Konnov, Igor and Kov\'{a}cs, Laura},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.CONCUR.2020.50},
  URN =		{urn:nbn:de:0030-drops-128628},
  doi =		{10.4230/LIPIcs.CONCUR.2020.50},
  annote =	{Keywords: Hyperlogics, Hyperproperties, Model Checking, Automata}
}
Document
DOI: 10.4230/DagSemProc.06081.1
06081 Abstracts Collection – Software Verification: Infinite-State Model Checking and Static Program Analysis

Authors: Parosh Aziz Abdulla, Ahmed Bouajjani, and Markus Müller-Olm

Published in: Dagstuhl Seminar Proceedings, Volume 6081, Software Verification: Infinite-State Model Checking and Static Program Analysis (2006)

Abstract
From 19.02.06 to 24.02.06, the Dagstuhl Seminar 06081 ``Software Verification: Infinite-State Model Checking and Static Program Analysis'' was held in the International Conference and Research Center (IBFI), Schloss Dagstuhl. During the seminar, several participants presented their current research, and ongoing work and open problems were discussed. Abstracts of the presentations given during the seminar are put together in this paper. The first section describes the seminar topics and goals in general. Links to extended abstracts or full papers are provided, if available.
Cite as

Parosh Aziz Abdulla, Ahmed Bouajjani, and Markus Müller-Olm. 06081 Abstracts Collection – Software Verification: Infinite-State Model Checking and Static Program Analysis. In Software Verification: Infinite-State Model Checking and Static Program Analysis. Dagstuhl Seminar Proceedings, Volume 6081, pp. 1-18, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2006)

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@InProceedings{abdulla_et_al:DagSemProc.06081.1,
  author =	{Abdulla, Parosh Aziz and Bouajjani, Ahmed and M\"{u}ller-Olm, Markus},
  title =	{{06081 Abstracts Collection – Software Verification: Infinite-State Model Checking and Static Program Analysis}},
  booktitle =	{Software Verification: Infinite-State Model Checking and Static Program Analysis},
  pages =	{1--18},
  series =	{Dagstuhl Seminar Proceedings (DagSemProc)},
  ISSN =	{1862-4405},
  year =	{2006},
  volume =	{6081},
  editor =	{Parosh Aziz Abdulla and Ahmed Bouajjani and Markus M\"{u}ller-Olm},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DagSemProc.06081.1},
  URN =		{urn:nbn:de:0030-drops-7997},
  doi =		{10.4230/DagSemProc.06081.1},
  annote =	{Keywords: Software verification, infinite-state systems, static program analysis, automatic analysis}
}
Document
DOI: 10.4230/DagSemProc.06081.2
06081 Executive Summary – Software Verification: Infinite-State Model Checking and Static Program Analysis

Authors: Parosh Aziz Abdulla, Ahmed Bouajjani, and Markus Müller-Olm

Published in: Dagstuhl Seminar Proceedings, Volume 6081, Software Verification: Infinite-State Model Checking and Static Program Analysis (2006)

Abstract
{\em Software systems} are present at the very heart of many daily-life applications, such as in communication (telephony and mobile Internet), transportation, energy, health, etc. Such systems are very often {\em critical}\/ in the sense that their failure can have considerable human/economical consequences. In order to ensure reliability, development methods must include {\em algorithmic analysis and verification techniques} which allow (1) to detect automatically defective behaviors of the system and to analyze their source, and (2) to check that every component of a system conforms to its specification. Two important and quite active research communities are particularly concerned with this challenge: the community of computer-aided verification, especially the community of (infinite-state) model checking, and the community of static program analysis. From 19.02.06 to 24.02.06, 51 researchers from these two communities met at the Dagstuhl Seminar 06081 ``Software Verification: Infinite-State Model Checking and Static Program Analysis'' in order to improve and deepen the mutual understanding of the developed technologies and to trigger collaborations. During the seminar which was held at the International Conference and Research Center (IBFI), Schloss Dagstuhl, several participants presented their current research, and ongoing work and open problems were discussed. Abstracts of the presentations given during the seminar are put together in this paper.
Cite as

Parosh Aziz Abdulla, Ahmed Bouajjani, and Markus Müller-Olm. 06081 Executive Summary – Software Verification: Infinite-State Model Checking and Static Program Analysis. In Software Verification: Infinite-State Model Checking and Static Program Analysis. Dagstuhl Seminar Proceedings, Volume 6081, pp. 1-5, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2006)

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@InProceedings{abdulla_et_al:DagSemProc.06081.2,
  author =	{Abdulla, Parosh Aziz and Bouajjani, Ahmed and M\"{u}ller-Olm, Markus},
  title =	{{06081 Executive Summary – Software Verification: Infinite-State Model Checking and Static Program Analysis}},
  booktitle =	{Software Verification: Infinite-State Model Checking and Static Program Analysis},
  pages =	{1--5},
  series =	{Dagstuhl Seminar Proceedings (DagSemProc)},
  ISSN =	{1862-4405},
  year =	{2006},
  volume =	{6081},
  editor =	{Parosh Aziz Abdulla and Ahmed Bouajjani and Markus M\"{u}ller-Olm},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DagSemProc.06081.2},
  URN =		{urn:nbn:de:0030-drops-7973},
  doi =		{10.4230/DagSemProc.06081.2},
  annote =	{Keywords: Infinite-state systems, model checking, program analysis, software verification}
}
Document
DOI: 10.4230/DagSemRep.369
Reasoning about Shape (Dagstuhl Seminar 03101)

Authors: Markus Müller-Olm, Hanne Riis Nielson, and David Schmidt

Published in: Dagstuhl Seminar Reports. Dagstuhl Seminar Reports, Volume 1 (2021)

Abstract
Cite as

Markus Müller-Olm, Hanne Riis Nielson, and David Schmidt. Reasoning about Shape (Dagstuhl Seminar 03101). Dagstuhl Seminar Report 369, pp. 1-7, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2003)

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@TechReport{mullerolm_et_al:DagSemRep.369,
  author =	{M\"{u}ller-Olm, Markus and Riis Nielson, Hanne and Schmidt, David},
  title =	{{Reasoning about Shape (Dagstuhl Seminar 03101)}},
  pages =	{1--7},
  ISSN =	{1619-0203},
  year =	{2003},
  type = 	{Dagstuhl Seminar Report},
  number =	{369},
  institution =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DagSemRep.369},
  URN =		{urn:nbn:de:0030-drops-152496},
  doi =		{10.4230/DagSemRep.369},
}
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