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Documents authored by Aceto, Luca

Document
DOI: 10.4230/LIPIcs.ECOOP.2024.1
A Sound Type System for Secure Currency Flow

Authors: Luca Aceto, Daniele Gorla, and Stian Lybech

Published in: LIPIcs, Volume 313, 38th European Conference on Object-Oriented Programming (ECOOP 2024)

Abstract
In this paper we focus on TinySol, a minimal calculus for Solidity smart contracts, introduced by Bartoletti et al. We start by rephrasing its syntax (to emphasise its object-oriented flavour) and give a new big-step operational semantics. We then use it to define two security properties, namely call integrity and noninterference. These two properties have some similarities in their definition, in that they both require that some part of a program is not influenced by the other part. However, we show that the two properties are actually incomparable. Nevertheless, we provide a type system for noninterference and show that well-typed programs satisfy call integrity as well; hence, programs that are accepted by our type system satisfy both properties. We finally discuss the practical usability of the type system and its limitations by means of some simple examples.
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Luca Aceto, Daniele Gorla, and Stian Lybech. A Sound Type System for Secure Currency Flow. In 38th European Conference on Object-Oriented Programming (ECOOP 2024). Leibniz International Proceedings in Informatics (LIPIcs), Volume 313, pp. 1:1-1:27, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2024)

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@InProceedings{aceto_et_al:LIPIcs.ECOOP.2024.1,
  author =	{Aceto, Luca and Gorla, Daniele and Lybech, Stian},
  title =	{{A Sound Type System for Secure Currency Flow}},
  booktitle =	{38th European Conference on Object-Oriented Programming (ECOOP 2024)},
  pages =	{1:1--1:27},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-95977-341-6},
  ISSN =	{1868-8969},
  year =	{2024},
  volume =	{313},
  editor =	{Aldrich, Jonathan and Salvaneschi, Guido},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.ECOOP.2024.1},
  URN =		{urn:nbn:de:0030-drops-208508},
  doi =		{10.4230/LIPIcs.ECOOP.2024.1},
  annote =	{Keywords: smart contracts, call integrity, noninterference, type system}
}
Document
DOI: 10.4230/LIPIcs.ECOOP.2024.2
Runtime Instrumentation for Reactive Components

Authors: Luca Aceto, Duncan Paul Attard, Adrian Francalanza, and Anna Ingólfsdóttir

Published in: LIPIcs, Volume 313, 38th European Conference on Object-Oriented Programming (ECOOP 2024)

Abstract
Reactive software calls for instrumentation methods that uphold the reactive attributes of systems. Runtime verification imposes another demand on the instrumentation, namely that the trace event sequences it reports to monitors are sound - that is, they reflect actual executions of the system under scrutiny. This paper presents RIARC, a novel decentralised instrumentation algorithm for outline monitors meeting these two demands. Asynchrony in reactive software complicates the instrumentation due to potential trace event loss or reordering. RIARC overcomes these challenges using a next-hop IP routing approach to rearrange and report events soundly to monitors. RIARC is validated in two ways. We subject its corresponding implementation to rigorous systematic testing to confirm its correctness. In addition, we assess this implementation via extensive empirical experiments, subjecting it to large realistic workloads to ascertain its reactiveness. Our results show that RIARC optimises its memory and scheduler usage to maintain latency feasible for soft real-time applications. We also compare RIARC to inline and centralised monitoring, revealing that it induces comparable latency to inline monitoring in moderate concurrency settings where software performs long-running, computationally-intensive tasks, such as in Big Data stream processing.
Cite as

Luca Aceto, Duncan Paul Attard, Adrian Francalanza, and Anna Ingólfsdóttir. Runtime Instrumentation for Reactive Components. In 38th European Conference on Object-Oriented Programming (ECOOP 2024). Leibniz International Proceedings in Informatics (LIPIcs), Volume 313, pp. 2:1-2:33, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2024)

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@InProceedings{aceto_et_al:LIPIcs.ECOOP.2024.2,
  author =	{Aceto, Luca and Attard, Duncan Paul and Francalanza, Adrian and Ing\'{o}lfsd\'{o}ttir, Anna},
  title =	{{Runtime Instrumentation for Reactive Components}},
  booktitle =	{38th European Conference on Object-Oriented Programming (ECOOP 2024)},
  pages =	{2:1--2:33},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-95977-341-6},
  ISSN =	{1868-8969},
  year =	{2024},
  volume =	{313},
  editor =	{Aldrich, Jonathan and Salvaneschi, Guido},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.ECOOP.2024.2},
  URN =		{urn:nbn:de:0030-drops-208511},
  doi =		{10.4230/LIPIcs.ECOOP.2024.2},
  annote =	{Keywords: Runtime instrumentation, decentralised monitoring, reactive systems}
}
Document
Artifact
DOI: 10.4230/DARTS.10.2.1
Runtime Instrumentation for Reactive Components (Artifact)

Authors: Luca Aceto, Duncan Paul Attard, Adrian Francalanza, and Anna Ingólfsdóttir

Published in: DARTS, Volume 10, Issue 2, Special Issue of the 38th European Conference on Object-Oriented Programming (ECOOP 2024)

Abstract
Reactive software calls for instrumentation methods that uphold the reactive attributes of systems. Runtime verification sets another demand on the instrumentation, namely that the trace event sequences it reports to monitors are sound, i.e., they reflect actual executions of the system under scrutiny. Our companion paper, "Runtime Instrumentation for Reactive Components", presents RIARC, a novel decentralised instrumentation algorithm for outline monitors that meets these two demands. RIARC uses a next-hop IP routing approach to rearrange and report events soundly to monitors despite the potential trace event loss or reordering stemming from the asynchrony of reactive systems. The companion paper shows our corresponding RIARC Erlang implementation to be correct through rigorous systematic testing. We also assess RIARC via extensive empirical experiments, subjecting it to large realistic workloads in order to ascertain its reactiveness. This artefact packages the Erlang implementation, systematic tests that demonstrate its correctness, data sets obtained from our original empirical experiments detailed in the companion paper, and the scripts to rerun and replicate these results under lower workloads.
Cite as

Luca Aceto, Duncan Paul Attard, Adrian Francalanza, and Anna Ingólfsdóttir. Runtime Instrumentation for Reactive Components (Artifact). In Special Issue of the 38th European Conference on Object-Oriented Programming (ECOOP 2024). Dagstuhl Artifacts Series (DARTS), Volume 10, Issue 2, pp. 1:1-1:4, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2024)

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@Article{aceto_et_al:DARTS.10.2.1,
  author =	{Aceto, Luca and Attard, Duncan Paul and Francalanza, Adrian and Ing\'{o}lfsd\'{o}ttir, Anna},
  title =	{{Runtime Instrumentation for Reactive Components (Artifact)}},
  pages =	{1:1--1:4},
  journal =	{Dagstuhl Artifacts Series},
  ISBN =	{978-3-95977-342-3},
  ISSN =	{2509-8195},
  year =	{2024},
  volume =	{10},
  number =	{2},
  editor =	{Aceto, Luca and Attard, Duncan Paul and Francalanza, Adrian and Ing\'{o}lfsd\'{o}ttir, Anna},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DARTS.10.2.1},
  URN =		{urn:nbn:de:0030-drops-208991},
  doi =		{10.4230/DARTS.10.2.1},
  annote =	{Keywords: Runtime instrumentation, decentralised monitoring, reactive systems}
}
Document
DOI: 10.4230/LIPIcs.CONCUR.2024.4
Centralized vs Decentralized Monitors for Hyperproperties

Authors: Luca Aceto, Antonis Achilleos, Elli Anastasiadi, Adrian Francalanza, Daniele Gorla, and Jana Wagemaker

Published in: LIPIcs, Volume 311, 35th International Conference on Concurrency Theory (CONCUR 2024)

Abstract
This paper focuses on the runtime verification of hyperproperties expressed in Hyper-recHML, an expressive yet simple logic for describing properties of sets of traces. To this end, we consider a simple language of monitors that observe sets of system executions and report verdicts w.r.t. a given Hyper-recHML formula. We first employ a unique omniscient monitor that centrally observes all system traces. Since centralised monitors are not ideal for distributed settings, we also provide a language for decentralized monitors, where each trace has a dedicated monitor; these monitors yield a unique verdict by communicating their observations to one another. For both the centralized and the decentralized settings, we provide a synthesis procedure that, given a formula, yields a monitor that is correct (i.e., sound and violation complete). A key step in proving the correctness of the synthesis for decentralized monitors is a result showing that, for each formula, the synthesized centralized monitor and its corresponding decentralized one are weakly bisimilar for a suitable notion of weak bisimulation.
Cite as

Luca Aceto, Antonis Achilleos, Elli Anastasiadi, Adrian Francalanza, Daniele Gorla, and Jana Wagemaker. Centralized vs Decentralized Monitors for Hyperproperties. In 35th International Conference on Concurrency Theory (CONCUR 2024). Leibniz International Proceedings in Informatics (LIPIcs), Volume 311, pp. 4:1-4:19, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2024)

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@InProceedings{aceto_et_al:LIPIcs.CONCUR.2024.4,
  author =	{Aceto, Luca and Achilleos, Antonis and Anastasiadi, Elli and Francalanza, Adrian and Gorla, Daniele and Wagemaker, Jana},
  title =	{{Centralized vs Decentralized Monitors for Hyperproperties}},
  booktitle =	{35th International Conference on Concurrency Theory (CONCUR 2024)},
  pages =	{4:1--4:19},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-95977-339-3},
  ISSN =	{1868-8969},
  year =	{2024},
  volume =	{311},
  editor =	{Majumdar, Rupak and Silva, Alexandra},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.CONCUR.2024.4},
  URN =		{urn:nbn:de:0030-drops-207763},
  doi =		{10.4230/LIPIcs.CONCUR.2024.4},
  annote =	{Keywords: Runtime Verification, hyperlogics, decentralization}
}
Document
DOI: 10.4230/LIPIcs.CONCUR.2022.6
On the Axiomatisation of Branching Bisimulation Congruence over CCS

Authors: Luca Aceto, Valentina Castiglioni, Anna Ingólfsdóttir, and Bas Luttik

Published in: LIPIcs, Volume 243, 33rd International Conference on Concurrency Theory (CONCUR 2022)

Abstract
In this paper we investigate the equational theory of (the restriction, relabelling, and recursion free fragment of) CCS modulo rooted branching bisimilarity, which is a classic, bisimulation-based notion of equivalence that abstracts from internal computational steps in process behaviour. Firstly, we show that CCS is not finitely based modulo the considered congruence. As a key step of independent interest in the proof of that negative result, we prove that each CCS process has a unique parallel decomposition into indecomposable processes modulo branching bisimilarity. As a second main contribution, we show that, when the set of actions is finite, rooted branching bisimilarity has a finite equational basis over CCS enriched with the left merge and communication merge operators from ACP.
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Luca Aceto, Valentina Castiglioni, Anna Ingólfsdóttir, and Bas Luttik. On the Axiomatisation of Branching Bisimulation Congruence over CCS. In 33rd International Conference on Concurrency Theory (CONCUR 2022). Leibniz International Proceedings in Informatics (LIPIcs), Volume 243, pp. 6:1-6:18, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2022)

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@InProceedings{aceto_et_al:LIPIcs.CONCUR.2022.6,
  author =	{Aceto, Luca and Castiglioni, Valentina and Ing\'{o}lfsd\'{o}ttir, Anna and Luttik, Bas},
  title =	{{On the Axiomatisation of Branching Bisimulation Congruence over CCS}},
  booktitle =	{33rd International Conference on Concurrency Theory (CONCUR 2022)},
  pages =	{6:1--6:18},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-95977-246-4},
  ISSN =	{1868-8969},
  year =	{2022},
  volume =	{243},
  editor =	{Klin, Bartek and Lasota, S{\l}awomir and Muscholl, Anca},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.CONCUR.2022.6},
  URN =		{urn:nbn:de:0030-drops-170692},
  doi =		{10.4230/LIPIcs.CONCUR.2022.6},
  annote =	{Keywords: Equational basis, Weak semantics, CCS, Parallel composition}
}
Document
DOI: 10.4230/LIPIcs.CSL.2021.7
The Best a Monitor Can Do

Authors: Luca Aceto, Antonis Achilleos, Adrian Francalanza, Anna Ingólfsdóttir, and Karoliina Lehtinen

Published in: LIPIcs, Volume 183, 29th EACSL Annual Conference on Computer Science Logic (CSL 2021)

Abstract
Existing notions of monitorability for branching-time properties are fairly restrictive. This, in turn, impacts the ability to incorporate prior knowledge about the system under scrutiny - which corresponds to a branching-time property - into the runtime analysis. We propose a definition of optimal monitors that verify the best monitorable under- or over-approximation of a specification, regardless of its monitorability status. Optimal monitors can be obtained for arbitrary branching-time properties by synthesising a sound and complete monitor for their strongest monitorable consequence. We show that the strongest monitorable consequence of specifications expressed in Hennessy-Milner logic with recursion is itself expressible in this logic, and present a procedure to find it. Our procedure enables prior knowledge to be optimally incorporated into runtime monitors.
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Luca Aceto, Antonis Achilleos, Adrian Francalanza, Anna Ingólfsdóttir, and Karoliina Lehtinen. The Best a Monitor Can Do. In 29th EACSL Annual Conference on Computer Science Logic (CSL 2021). Leibniz International Proceedings in Informatics (LIPIcs), Volume 183, pp. 7:1-7:23, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2021)

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@InProceedings{aceto_et_al:LIPIcs.CSL.2021.7,
  author =	{Aceto, Luca and Achilleos, Antonis and Francalanza, Adrian and Ing\'{o}lfsd\'{o}ttir, Anna and Lehtinen, Karoliina},
  title =	{{The Best a Monitor Can Do}},
  booktitle =	{29th EACSL Annual Conference on Computer Science Logic (CSL 2021)},
  pages =	{7:1--7:23},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-95977-175-7},
  ISSN =	{1868-8969},
  year =	{2021},
  volume =	{183},
  editor =	{Baier, Christel and Goubault-Larrecq, Jean},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.CSL.2021.7},
  URN =		{urn:nbn:de:0030-drops-134416},
  doi =		{10.4230/LIPIcs.CSL.2021.7},
  annote =	{Keywords: monitorability, branching-time logics, runtime verification}
}
Document
DOI: 10.4230/LIPIcs.CSL.2021.8
Are Two Binary Operators Necessary to Finitely Axiomatise Parallel Composition?

Authors: Luca Aceto, Valentina Castiglioni, Wan Fokkink, Anna Ingólfsdóttir, and Bas Luttik

Published in: LIPIcs, Volume 183, 29th EACSL Annual Conference on Computer Science Logic (CSL 2021)

Abstract
Bergstra and Klop have shown that bisimilarity has a finite equational axiomatisation over ACP/CCS extended with the binary left and communication merge operators. Moller proved that auxiliary operators are necessary to obtain a finite axiomatisation of bisimilarity over CCS, and Aceto et al. showed that this remains true when Hennessy’s merge is added to that language. These results raise the question of whether there is one auxiliary binary operator whose addition to CCS leads to a finite axiomatisation of bisimilarity. This study provides a negative answer to that question based on three reasonable assumptions.
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Luca Aceto, Valentina Castiglioni, Wan Fokkink, Anna Ingólfsdóttir, and Bas Luttik. Are Two Binary Operators Necessary to Finitely Axiomatise Parallel Composition?. In 29th EACSL Annual Conference on Computer Science Logic (CSL 2021). Leibniz International Proceedings in Informatics (LIPIcs), Volume 183, pp. 8:1-8:17, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2021)

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@InProceedings{aceto_et_al:LIPIcs.CSL.2021.8,
  author =	{Aceto, Luca and Castiglioni, Valentina and Fokkink, Wan and Ing\'{o}lfsd\'{o}ttir, Anna and Luttik, Bas},
  title =	{{Are Two Binary Operators Necessary to Finitely Axiomatise Parallel Composition?}},
  booktitle =	{29th EACSL Annual Conference on Computer Science Logic (CSL 2021)},
  pages =	{8:1--8:17},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-95977-175-7},
  ISSN =	{1868-8969},
  year =	{2021},
  volume =	{183},
  editor =	{Baier, Christel and Goubault-Larrecq, Jean},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.CSL.2021.8},
  URN =		{urn:nbn:de:0030-drops-134425},
  doi =		{10.4230/LIPIcs.CSL.2021.8},
  annote =	{Keywords: Equational logic, CCS, bisimulation, parallel composition, non-finitely based algebras}
}
Document
Invited Paper
DOI: 10.4230/LIPIcs.CONCUR.2020.5
CONCUR Test-Of-Time Award 2020 Announcement (Invited Paper)

Authors: Luca Aceto, Jos Baeten, Patricia Bouyer-Decitre, Holger Hermanns, and Alexandra Silva

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

Abstract
This short article announces the recipients of the CONCUR Test-of-Time Award 2020.
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Luca Aceto, Jos Baeten, Patricia Bouyer-Decitre, Holger Hermanns, and Alexandra Silva. CONCUR Test-Of-Time Award 2020 Announcement (Invited Paper). In 31st International Conference on Concurrency Theory (CONCUR 2020). Leibniz International Proceedings in Informatics (LIPIcs), Volume 171, pp. 5:1-5:3, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2020)

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@InProceedings{aceto_et_al:LIPIcs.CONCUR.2020.5,
  author =	{Aceto, Luca and Baeten, Jos and Bouyer-Decitre, Patricia and Hermanns, Holger and Silva, Alexandra},
  title =	{{CONCUR Test-Of-Time Award 2020 Announcement}},
  booktitle =	{31st International Conference on Concurrency Theory (CONCUR 2020)},
  pages =	{5:1--5:3},
  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.2020.5},
  URN =		{urn:nbn:de:0030-drops-128172},
  doi =		{10.4230/LIPIcs.CONCUR.2020.5},
  annote =	{Keywords: Concurrency, CONCUR Test-of-Time Award}
}
Document
DOI: 10.4230/LIPIcs.CONCUR.2020.18
On the Axiomatisability of Parallel Composition: A Journey in the Spectrum

Authors: Luca Aceto, Valentina Castiglioni, Anna Ingólfsdóttir, Bas Luttik, and Mathias Ruggaard Pedersen

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

Abstract
This paper studies the existence of finite equational axiomatisations of the interleaving parallel composition operator modulo the behavioural equivalences in van Glabbeek’s linear time-branching time spectrum. In the setting of the process algebra BCCSP over a finite set of actions, we provide finite, ground-complete axiomatisations for various simulation and (decorated) trace semantics. On the other hand, we show that no congruence over that language that includes bisimilarity and is included in possible futures equivalence has a finite, ground-complete axiomatisation. This negative result applies to all the nested trace and nested simulation semantics.
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Luca Aceto, Valentina Castiglioni, Anna Ingólfsdóttir, Bas Luttik, and Mathias Ruggaard Pedersen. On the Axiomatisability of Parallel Composition: A Journey in the Spectrum. In 31st International Conference on Concurrency Theory (CONCUR 2020). Leibniz International Proceedings in Informatics (LIPIcs), Volume 171, pp. 18:1-18:22, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2020)

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@InProceedings{aceto_et_al:LIPIcs.CONCUR.2020.18,
  author =	{Aceto, Luca and Castiglioni, Valentina and Ing\'{o}lfsd\'{o}ttir, Anna and Luttik, Bas and Pedersen, Mathias Ruggaard},
  title =	{{On the Axiomatisability of Parallel Composition: A Journey in the Spectrum}},
  booktitle =	{31st International Conference on Concurrency Theory (CONCUR 2020)},
  pages =	{18:1--18:22},
  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.2020.18},
  URN =		{urn:nbn:de:0030-drops-128303},
  doi =		{10.4230/LIPIcs.CONCUR.2020.18},
  annote =	{Keywords: Axiomatisation, Parallel composition, Linear time-branching time spectrum}
}
Document
DOI: 10.4230/LIPIcs.CONCUR.2018.34
On Runtime Enforcement via Suppressions

Authors: Luca Aceto, Ian Cassar, Adrian Francalanza, and Anna Ingólfsdóttir

Published in: LIPIcs, Volume 118, 29th International Conference on Concurrency Theory (CONCUR 2018)

Abstract
Runtime enforcement is a dynamic analysis technique that uses monitors to enforce the behaviour specified by some correctness property on an executing system. The enforceability of a logic captures the extent to which the properties expressible via the logic can be enforced at runtime. We study the enforceability of Hennessy-Milner Logic with Recursion (muHML) with respect to suppression enforcement. We develop an operational framework for enforcement which we then use to formalise when a monitor enforces a muHML property. We also show that the safety syntactic fragment of the logic, sHML, is enforceable by providing an automated synthesis function that generates correct suppression monitors from sHML formulas.
Cite as

Luca Aceto, Ian Cassar, Adrian Francalanza, and Anna Ingólfsdóttir. On Runtime Enforcement via Suppressions. In 29th International Conference on Concurrency Theory (CONCUR 2018). Leibniz International Proceedings in Informatics (LIPIcs), Volume 118, pp. 34:1-34:17, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2018)

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@InProceedings{aceto_et_al:LIPIcs.CONCUR.2018.34,
  author =	{Aceto, Luca and Cassar, Ian and Francalanza, Adrian and Ing\'{o}lfsd\'{o}ttir, Anna},
  title =	{{On Runtime Enforcement via Suppressions}},
  booktitle =	{29th International Conference on Concurrency Theory (CONCUR 2018)},
  pages =	{34:1--34:17},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-95977-087-3},
  ISSN =	{1868-8969},
  year =	{2018},
  volume =	{118},
  editor =	{Schewe, Sven and Zhang, Lijun},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.CONCUR.2018.34},
  URN =		{urn:nbn:de:0030-drops-95729},
  doi =		{10.4230/LIPIcs.CONCUR.2018.34},
  annote =	{Keywords: Enforceability, Suppression Enforcement, Monitor Synthesis, Logic}
}
Document
DOI: 10.4230/LIPIcs.FSTTCS.2017.7
Monitoring for Silent Actions

Authors: Luca Aceto, Antonis Achilleos, Adrian Francalanza, and Anna Ingólfsdóttir

Published in: LIPIcs, Volume 93, 37th IARCS Annual Conference on Foundations of Software Technology and Theoretical Computer Science (FSTTCS 2017)

Abstract
Silent actions are an essential mechanism for system modelling and specification. They are used to abstractly report the occurrence of computation steps without divulging their precise details, thereby enabling the description of important aspects such as the branching structure of a system. Yet, their use rarely features in specification logics used in runtime verification. We study monitorability aspects of a branching-time logic that employs silent actions, identifying which formulas are monitorable for a number of instrumentation setups. We also consider defective instrumentation setups that imprecisely report silent events, and establish monitorability results for tolerating these imperfections.
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Luca Aceto, Antonis Achilleos, Adrian Francalanza, and Anna Ingólfsdóttir. Monitoring for Silent Actions. In 37th IARCS Annual Conference on Foundations of Software Technology and Theoretical Computer Science (FSTTCS 2017). Leibniz International Proceedings in Informatics (LIPIcs), Volume 93, pp. 7:1-7:14, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2018)

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@InProceedings{aceto_et_al:LIPIcs.FSTTCS.2017.7,
  author =	{Aceto, Luca and Achilleos, Antonis and Francalanza, Adrian and Ing\'{o}lfsd\'{o}ttir, Anna},
  title =	{{Monitoring for Silent Actions}},
  booktitle =	{37th IARCS Annual Conference on Foundations of Software Technology and Theoretical Computer Science (FSTTCS 2017)},
  pages =	{7:1--7:14},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-95977-055-2},
  ISSN =	{1868-8969},
  year =	{2018},
  volume =	{93},
  editor =	{Lokam, Satya and Ramanujam, R.},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.FSTTCS.2017.7},
  URN =		{urn:nbn:de:0030-drops-84023},
  doi =		{10.4230/LIPIcs.FSTTCS.2017.7},
  annote =	{Keywords: Runtime Verification, Monitorability, Hennessy-Milner Logic with Recursion, Silent Actions}
}
Document
DOI: 10.4230/LIPIcs.CONCUR.2017.10
Rule Formats for Nominal Process Calculi

Authors: Luca Aceto, Ignacio Fábregas, Álvaro García-Pérez, Anna Ingólfsdóttir, and Yolanda Ortega-Mallén

Published in: LIPIcs, Volume 85, 28th International Conference on Concurrency Theory (CONCUR 2017)

Abstract
The nominal transition systems (NTSs) of Parrow et al. describe the operational semantics of nominal process calculi. We study NTSs in terms of the nominal residual transition systems (NRTSs) that we introduce. We provide rule formats for the specifications of NRTSs that ensure that the associated NRTS is an NTS and apply them to the operational specification of the early pi-calculus. Our study stems from the recent Nominal SOS of Cimini et al. and from earlier works in nominal sets and nominal logic by Gabbay, Pitts and their collaborators.
Cite as

Luca Aceto, Ignacio Fábregas, Álvaro García-Pérez, Anna Ingólfsdóttir, and Yolanda Ortega-Mallén. Rule Formats for Nominal Process Calculi. In 28th International Conference on Concurrency Theory (CONCUR 2017). Leibniz International Proceedings in Informatics (LIPIcs), Volume 85, pp. 10:1-10:16, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2017)

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@InProceedings{aceto_et_al:LIPIcs.CONCUR.2017.10,
  author =	{Aceto, Luca and F\'{a}bregas, Ignacio and Garc{\'\i}a-P\'{e}rez, \'{A}lvaro and Ing\'{o}lfsd\'{o}ttir, Anna and Ortega-Mall\'{e}n, Yolanda},
  title =	{{Rule Formats for Nominal Process Calculi}},
  booktitle =	{28th International Conference on Concurrency Theory (CONCUR 2017)},
  pages =	{10:1--10:16},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-95977-048-4},
  ISSN =	{1868-8969},
  year =	{2017},
  volume =	{85},
  editor =	{Meyer, Roland and Nestmann, Uwe},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.CONCUR.2017.10},
  URN =		{urn:nbn:de:0030-drops-77869},
  doi =		{10.4230/LIPIcs.CONCUR.2017.10},
  annote =	{Keywords: nominal sets, nominal structural operational semantics, process algebra, nominal transition systems, scope opening, rule formats}
}
Document
Complete Volume
DOI: 10.4230/LIPIcs.CONCUR.2015
LIPIcs, Volume 42, CONCUR'15, Complete Volume

Authors: Luca Aceto and David de Frutos Escrig

Published in: LIPIcs, Volume 42, 26th International Conference on Concurrency Theory (CONCUR 2015)

Abstract
LIPIcs, Volume 42, CONCUR'15, Complete Volume
Cite as

26th International Conference on Concurrency Theory (CONCUR 2015). Leibniz International Proceedings in Informatics (LIPIcs), Volume 42, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2015)

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@Proceedings{aceto_et_al:LIPIcs.CONCUR.2015,
  title =	{{LIPIcs, Volume 42, CONCUR'15, Complete Volume}},
  booktitle =	{26th International Conference on Concurrency Theory (CONCUR 2015)},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-939897-91-0},
  ISSN =	{1868-8969},
  year =	{2015},
  volume =	{42},
  editor =	{Aceto, Luca and de Frutos Escrig, David},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.CONCUR.2015},
  URN =		{urn:nbn:de:0030-drops-54628},
  doi =		{10.4230/LIPIcs.CONCUR.2015},
  annote =	{Keywords: Computer-Communication Networks, Software Engineering, Computation by Abstract Devices, Logics and Meanings of Programs, Simulation and Modeling}
}
Document
Front Matter
DOI: 10.4230/LIPIcs.CONCUR.2015.i
Front Matter, Table of Contents, Preface, Committees, External Reviewers

Authors: Luca Aceto and David de Frutos Escrig

Published in: LIPIcs, Volume 42, 26th International Conference on Concurrency Theory (CONCUR 2015)

Abstract
Front Matter, Table of Contents, Preface, Committees, External Reviewers
Cite as

26th International Conference on Concurrency Theory (CONCUR 2015). Leibniz International Proceedings in Informatics (LIPIcs), Volume 42, pp. i-xiv, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2015)

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@InProceedings{aceto_et_al:LIPIcs.CONCUR.2015.i,
  author =	{Aceto, Luca and de Frutos Escrig, David},
  title =	{{Front Matter, Table of Contents, Preface, Committees, External Reviewers}},
  booktitle =	{26th International Conference on Concurrency Theory (CONCUR 2015)},
  pages =	{i--xiv},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-939897-91-0},
  ISSN =	{1868-8969},
  year =	{2015},
  volume =	{42},
  editor =	{Aceto, Luca and de Frutos Escrig, David},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.CONCUR.2015.i},
  URN =		{urn:nbn:de:0030-drops-53610},
  doi =		{10.4230/LIPIcs.CONCUR.2015.i},
  annote =	{Keywords: Front Matter, Table of Contents, Preface, Committees, External Reviewers}
}
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