001     364952
005     20260120231511.0
020 _ _ |a 978-3-031-93705-7 (print)
020 _ _ |a 978-3-031-93706-4 (electronic)
024 7 _ |a 10.1007/978-3-031-93706-4_13
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024 7 _ |a 0302-9743
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024 7 _ |a 1611-3349
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037 _ _ |a GSI-2026-00321
100 1 _ |a Dutle, Aaron
|0 0000-0002-8503-5514
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|e Editor
111 2 _ |a 17th International Symposium on NASA Formal Methods-NFM, VA
|c Virgina
|d 2025-06-11 - 2025-06-13
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245 _ _ |a Formal Verification of PLCs as a Service: A CERN-GSI Safety-Critical Case Study
260 _ _ |a Cham
|c 2025
|b Springer Nature Switzerland
295 1 0 |a NASA Formal Methods / Dutle, Aaron (Editor) [https://orcid.org/0000-0002-8503-5514] ; Cham : Springer Nature Switzerland, 2025, Chapter 13 ; ISSN: 0302-9743=1611-3349 ; ISBN: 978-3-031-93705-7=978-3-031-93706-4 ; doi:10.1007/978-3-031-93706-4
300 _ _ |a 227 - 235
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490 0 _ |a Lecture Notes in Computer Science
|v 15682
520 _ _ |a The increased technological complexity and demand for software reliability require organizations to formally design and verify their safety-critical programs to minimize systematic failures. Formal methods are recommended by functional safety standards (e.g., by IEC 61511 for the process industry and by the generic IEC 61508) and play a crucial role. Their structured approach reduces ambiguity in system requirements, facilitating early error detection. This paper introduces a formal verification service for PLC (programmable logic controller) programs compliant with functional safety standards, providing external expertise to organizations while eliminating the need for extensive internal training. It offers a cost-effective solution to meet the rising demands for formal verification processes. The approach is extended to include modeling time-dependent, know-how-protected components, enabling formal verification of real safety-critical applications. A case study shows the application of PLC formal verification as a service provided by CERN in a safety-critical installation at the GSI particle accelerator facility.
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700 1 _ |a Humphrey, Laura
|0 0000-0002-3148-9035
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700 1 _ |a Titolo, Laura
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700 1 _ |a Lopez-Miguel, Ignacio D.
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700 1 _ |a Adiego, Borja Fernández
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700 1 _ |a Salinas, Matias
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700 1 _ |a Betz, Christine
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