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Probabilistic Timed ATL
JAMROGA, Wojciech; Penczek, Wojciech; Kwiatkowska, Marta et al.
2026In Proceedings of the 24th International Conference on Autonomous Agents and Multiagent Systems
Peer reviewed
 

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Keywords :
multi-agent systems; probabilistic model checking; strategic ability; continuous time
Abstract :
[en] We consider strategic reasoning for multi-agent systems modelled as networks of continuous-time probabilistic timed automata (TA) with asynchronous execution (PCAMAS) in the setting of imperfect information. We define PTATL, a probabilistic extension of the alternating-time timed temporal logic TATL, which is interpreted over PCAMAS. Focusing on memoryless strategies of agents with imperfect information, both probabilistic (irP) and deterministic (irp), we establish theoretical results regarding the computational complexity of model checking for the proposed logic: between PSPACE and EXPTIME for PTATL irp , and in 2EXPTIME for PTATL irP. We demonstrate the practical feasibility of verification for PTATL irp formulas through a novel proof-of-concept combination of state-of-the-art tools IMITATOR and PRISM on a scalable benchmark, with encouraging results.
Disciplines :
Computer science
Author, co-author :
JAMROGA, Wojciech ;  University of Luxembourg
Penczek, Wojciech
Kwiatkowska, Marta
Petrucci, Laure
Sidoruk, Teofil
External co-authors :
yes
Language :
English
Title :
Probabilistic Timed ATL
Publication date :
2026
Event name :
The 24th International Conference on Autonomous Agents and Multiagent Systems, AAMAS'25.
Event date :
2025
Main work title :
Proceedings of the 24th International Conference on Autonomous Agents and Multiagent Systems
Publisher :
Association for Computing Machinery (ACM)
Peer reviewed :
Peer reviewed
FnR Project :
FNR17232062 - SpaceVote - Probabilistic Verification Of Complex Heterogeneous Systems: From Ballots To Ballistics, 2022 (01/03/2023-28/02/2026) - Peter Y. A. Ryan
Funding text :
This work was supported by: CNRS IRP “Le Trójkąt”, NCBR Poland &FNRLuxembourgunderthePolLux/FNR-COREprojectSpaceVote (POLLUX-XI/14/SpaceVote/2023 and C22/IS/17232062/SpaceVote), the ANR-22-CE48-0012 project BISOUS, the PHC Polonium project MoCcA (BPN/BFR/2023/1/00045). Marta Kwiatkowska contributed while on sabbatical and acknowledges funding from the ERC under the EU’s Horizon 2020 research and innovation programme (FUN2MODEL, grant agreement No. 834115). For the purpose of open access, and in fulfilment of the obligations arising from the grant agreement, the authors have applied CC BY 4.0 license to any Author Accepted Manuscript version arising from this submission.
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