Systematic hierarchical analysis of requirements for critical systems.

Colin F. Snook Colin Frank Snook https://orcid.org/0000-0002-0210-0983

Asieh Salehi Fathabadi Colin F. Snook Dana Dghaym Thai Son Hoang Fahad Alotaibi Michael J. Butler Systematic hierarchical analysis of requirements for critical systems. 569-593 2025 June 21 Innov. Syst. Softw. Eng. 2 https://doi.org/10.1007/s11334-024-00551-8 db/journals/isse/isse21.html#FathabadiSDHAB25 streams/journals/isse

Colin F. Snook Asieh Salehi Fathabadi Thai Son Hoang Robert Thorburn Michael J. Butler Leonardo Aniello Vladimiro Sassone Developing Safe Exception Recovery Mechanisms for CHERI Capability Hardware Using UML-B Formal Analysis. 180-199 2025 ABZ https://doi.org/10.1007/978-3-031-94533-5_11 conf/zum/2025 db/conf/zum/abz2025.html#SnookFHTBAS25 streams/conf/zum Thai Son Hoang Colin F. Snook Karla Vanessa Morris Wright Laurent Voisin Michael J. Butler Semantics Formalisation - Modelling and Proving Strategies Using Event-B Versus Theories. 346-374 2024 The Application of Formal Methods https://doi.org/10.1007/978-3-031-67114-2_14 conf/birthday/2024woodcock db/conf/birthday/woodcock2024.html#HoangSWVB24 Thai Son Hoang Laurent Voisin Karla Vanessa Morris Wright Colin F. Snook Michael J. Butler Semantics Formalisation - From Event-B Contexts to Theories. 208-214 2024 ABZ https://doi.org/10.1007/978-3-031-63790-2_14 conf/zum/2024 db/conf/zum/abz2024.html#HoangVWSB24 Asieh Salehi Fathabadi Colin F. Snook Thai Son Hoang Robert Thorburn Michael J. Butler Leonardo Aniello Vladimiro Sassone Designing Exception Handling Using Event-B. 270-277 2024 ABZ https://doi.org/10.1007/978-3-031-63790-2_22 conf/zum/2024 db/conf/zum/abz2024.html#FathabadiSHTBAS24 Colin F. Snook Thai Son Hoang Asieh Salehi Fathabadi Michael J. Butler Martin Kubisch Analysing the Safety Implications of Security Risks in Cyber-Physical Systems. 97-119 2024 The Practice of Formal Methods (II) https://doi.org/10.1007/978-3-031-66673-5_6 series/lncs/14781 db/series/lncs/lncs14781.html#SnookHFBK24 Karla Vanessa Morris Wright Thai Son Hoang Colin F. Snook Michael J. Butler Formal Language Semantics for Triggered Enable Statecharts with a Run-to-Completion Scheduling. 178-195 2023 ICTAC https://doi.org/10.1007/978-3-031-47963-2_12 conf/ictac/2023 db/conf/ictac/ictac2023.html#WrightHSB23 Asieh Salehi Fathabadi Colin F. Snook Dana Dghaym Thai Son Hoang Fahad Alotaibi Michael J. Butler Designing Critical Systems Using Hierarchical STPA and Event-B. 220-237 2023 ABZ https://doi.org/10.1007/978-3-031-33163-3_17 conf/zum/2023 db/conf/zum/abz2023.html#FathabadiSDHAB23

Karla Morris Colin F. Snook Thai Son Hoang Geoffrey C. Hulette Robert C. Armstrong Michael J. Butler Formal verification and validation of run-to-completion style state charts using Event-B. 523-541 2022 18 Innov. Syst. Softw. Eng. 4 https://doi.org/10.1007/s11334-021-00416-4 db/journals/isse/isse18.html#MorrisSHHAB22

Asieh Salehi Fathabadi Dana Dghaym Thai Son Hoang Michael J. Butler Colin F. Snook Generating SPARK from Event-B, Providing Fundamental Safety and Security. 179-192 2022 MEDI Workshops https://doi.org/10.1007/978-3-031-23119-3_13 conf/medi/2022w db/conf/medi/medi2022w.html#FathabadiDHBS22 Thai Son Hoang Colin F. Snook Dana Dghaym Asieh Salehi Fathabadi Michael J. Butler Building an Extensible Textual Framework for the Rodin Platform. 132-147 2022 SEFM Workshops https://doi.org/10.1007/978-3-031-26236-4_11 conf/sefm/2022w db/conf/sefm/sefm2022w.html#HoangSDFB22 Colin F. Snook Michael J. Butler Thai Son Hoang Asieh Salehi Fathabadi Dana Dghaym Developing the UML-B Modelling Tools. 181-188 2022 SEFM Workshops https://doi.org/10.1007/978-3-031-26236-4_16 conf/sefm/2022w db/conf/sefm/sefm2022w.html#SnookBHFD22

Colin F. Snook Thai Son Hoang Dana Dghaym Asieh Salehi Fathabadi Michael J. Butler Domain-specific scenarios for refinement-based methods. 101833 2021 112 J. Syst. Archit. https://doi.org/10.1016/j.sysarc.2020.101833 db/journals/jsa/jsa112.html#SnookHDFB21

Messaoud Abbas Renaud Rioboo Choukri-Bey Ben-Yelles Colin F. Snook Formal modeling and verification of UML Activity Diagrams (UAD) with FoCaLiZe. 101911 2021 114 J. Syst. Archit. https://doi.org/10.1016/j.sysarc.2020.101911 db/journals/jsa/jsa114.html#AbbasRBS21

Thai Son Hoang Colin F. Snook Dana Dghaym Asieh Salehi Fathabadi Michael J. Butler The CamilleX Framework for the Rodin Platform. 124-129 2021 ABZ https://doi.org/10.1007/978-3-030-77543-8_11 conf/asm/2021 db/conf/asm/abz2021.html#HoangSDFB21 Asieh Salehi Fathabadi Colin F. Snook Thai Son Hoang Dana Dghaym Michael J. Butler Extensible Record Structures in Event-B. 130-136 2021 ABZ https://doi.org/10.1007/978-3-030-77543-8_12 conf/asm/2021 db/conf/asm/abz2021.html#FathabadiSHDB21 Asieh Salehi Fathabadi Colin F. Snook Thai Son Hoang Dana Dghaym Michael J. Butler Refinable Record Structures in Formal Methods. 3-15 2021 MEDI Workshops https://doi.org/10.1007/978-3-030-87657-9_1 conf/medi/2021w db/conf/medi/medi2021w.html#FathabadiSHDB21

Dana Dghaym Mohammadsadegh Dalvandi Michael Poppleton Colin F. Snook Formalising the Hybrid ERTMS Level 3 specification in iUML-B and Event-B. 297-313 2020 22 Int. J. Softw. Tools Technol. Transf. 3 https://doi.org/10.1007/s10009-019-00548-w https://www.wikidata.org/entity/Q126813116 db/journals/sttt/sttt22.html#DghaymDPS20

Karla Morris Colin F. Snook Thai Son Hoang Geoffrey C. Hulette Robert C. Armstrong Michael J. Butler Refinement and Verification of Responsive Control Systems. 272-277 2020 ABZ https://doi.org/10.1007/978-3-030-48077-6_23 conf/asm/2020 db/conf/asm/abz2020.html#MorrisSHHAB20 Karla Morris Colin F. Snook Thai Son Hoang Geoffrey C. Hulette Robert C. Armstrong Michael J. Butler Formal Verification of Run-to-Completion Style Statecharts Using Event-B. 311-325 2020 ECSA Companion https://doi.org/10.1007/978-3-030-59155-7_24 conf/ecsa/2020c db/conf/ecsa/ecsa2020c.html#MorrisSHHAB20 Michael J. Butler Dana Dghaym Thai Son Hoang Tope Omitola Colin F. Snook Andreas Fellner Rupert Schlick Thorsten Tarrach Tomas Fischer Peter Tummeltshammer Behaviour-Driven Formal Model Development of the ETCS Hybrid Level 3. 97-106 2019 ICECCS https://doi.org/10.1109/ICECCS.2019.00018 conf/iceccs/2019 db/conf/iceccs/iceccs2019.html#ButlerDHOSFSTFT19 Colin F. Snook Thai Son Hoang Dana Dghaym Michael J. Butler Domain-Specific Scenarios for Refinement-Based Methods. 18-31 2019 MEDI Workshops https://doi.org/10.1007/978-3-030-32213-7_2 conf/medi/2019w db/conf/medi/medi2019w.html#SnookHDB19

Thai Son Hoang Colin F. Snook Asieh Salehi Fathabadi Michael J. Butler Lukas Ladenberger Validating and verifying the requirements and design of a haemodialysis machine using the Rodin toolset. 122-147 2018 158 Sci. Comput. Program. https://doi.org/10.1016/j.scico.2017.11.002 db/journals/scp/scp158.html#HoangSFBL18

Dana Dghaym Michael Poppleton Colin F. Snook Diagram-Led Formal Modelling Using iUML-B for Hybrid ERTMS Level 3. 338-352 2018 ABZ https://doi.org/10.1007/978-3-319-91271-4_23 conf/asm/2018 db/conf/asm/abz2018.html#DghaymPS18 Karla Morris Colin F. Snook Thai Son Hoang Robert C. Armstrong Michael J. Butler Refinement of Statecharts with Run-to-Completion Semantics. 121-138 2018 FTSCS https://doi.org/10.1007/978-3-030-12988-0_8 conf/ftscs/2018 db/conf/ftscs/ftscs2018.html#MorrisSHAB18 Dana Dghaym Colin F. Snook Thai Son Hoang Michael J. Butler Reusing Formal Models via Lifting. 189-192 2018 ICECCS https://doi.org/10.1109/ICECCS2018.2018.00029 https://doi.ieeecomputersociety.org/10.1109/ICECCS2018.2018.00029 conf/iceccs/2018 db/conf/iceccs/iceccs2018.html#DghaymSHB18 Colin F. Snook Thai Son Hoang Dana Dghaym Michael J. Butler Tomas Fischer Rupert Schlick Keming Wang Behaviour-Driven Formal Model Development. 21-36 2018 ICFEM https://doi.org/10.1007/978-3-030-02450-5_2 conf/icfem/2018 db/conf/icfem/icfem2018.html#SnookHDBFSW18 Rupert Schlick Michael Felderer István Majzik Roberto Nardone Alexander Raschke Colin F. Snook Valeria Vittorini A Proposal of an Example and Experiments Repository to Foster Industrial Adoption of Formal Methods. 249-272 2018 ISoLA (4) https://doi.org/10.1007/978-3-030-03427-6_20 conf/isola/2018-4 db/conf/isola/isola2018-4.html#SchlickFMNRSV18 Thai Son Hoang Dana Dghaym Colin F. Snook Michael J. Butler A Composition Mechanism for Refinement-Based Methods. 100-109 2017 ICECCS https://doi.org/10.1109/ICECCS.2017.27 https://doi.ieeecomputersociety.org/10.1109/ICECCS.2017.27 conf/iceccs/2017 db/conf/iceccs/iceccs2017.html#HoangDSB17 Thai Son Hoang Colin F. Snook Dana Dghaym Michael J. Butler Class-Diagrams for Abstract Data Types. 100-117 2017 ICTAC https://doi.org/10.1007/978-3-319-67729-3_7 conf/ictac/2017 db/conf/ictac/ictac2017.html#HoangSDB17 Colin F. Snook Thai Son Hoang Michael J. Butler Analysing Security Protocols Using Refinement in iUML-B. 84-98 2017 NFM https://doi.org/10.1007/978-3-319-57288-8_6 conf/nfm/2017 db/conf/nfm/nfm2017.html#SnookHB17 Michael J. Butler Dana Dghaym Tomas Fischer Thai Son Hoang Klaus Reichl Colin F. Snook Peter Tummeltshammer Formal Modelling Techniques for Efficient Development of Railway Control Products. 71-86 2017 RSSRail https://doi.org/10.1007/978-3-319-68499-4_5 conf/rssrail/2017 db/conf/rssrail/rssrail2017.html#ButlerDFHRST17 Andrew Edmunds Colin F. Snook Marina Waldén On Component-Based Reuse for Event-B. 151-166 2016 ABZ https://doi.org/10.1007/978-3-319-33600-8_9 conf/asm/2016 db/conf/asm/abz2016.html#EdmundsSW16 Thai Son Hoang Colin F. Snook Lukas Ladenberger Michael J. Butler Validating the Requirements and Design of a Hemodialysis Machine Using iUML-B, BMotion Studio, and Co-Simulation. 360-375 2016 ABZ https://doi.org/10.1007/978-3-319-33600-8_31 https://www.wikidata.org/entity/Q59625785 conf/asm/2016 db/conf/asm/abz2016.html#HoangSLB16 Colin F. Snook Tom J. Kazmierski Using event-B and Modelica to evaluate thermal management strategies in many core systems. 1-5 2016 FDL https://doi.org/10.1109/FDL.2016.7880380 conf/fdl/2016 db/conf/fdl/fdl2016.html#SnookK16

Mar Yah Said Michael J. Butler Colin F. Snook A method of refinement in UML-B. 1557-1580 2015 14 Softw. Syst. Model. 4 https://doi.org/10.1007/s10270-013-0391-z https://www.wikidata.org/entity/Q59625832 db/journals/sosym/sosym14.html#SaidBS15

Asieh Salehi Fathabadi Colin F. Snook Michael J. Butler Applying an Integrated Modelling Process to Run-time Management of Many-Core Systems. 120-135 2014 IFM https://doi.org/10.1007/978-3-319-10181-1_8 conf/ifm/2014 db/conf/ifm/ifm2014.html#FathabadiSB14 Manoranjan Satpathy S. Ramesh 0002 Colin F. Snook Neeraj Kumar Singh 0001 Michael J. Butler A mixed approach to rigorous development of control designs. 7-12 2013 CACSD https://doi.org/10.1109/CACSD.2013.6663474 https://www.wikidata.org/entity/Q59625836 conf/cacsd/2013 db/conf/cacsd/cacsd2013.html#SatpathyRSSB13 Manoranjan Satpathy Colin F. Snook Silky Arora S. Ramesh 0002 Michael J. Butler Systematic Development of Control Designs via Formal Refinement. 143-148 2013 MODELSWARD https://doi.org/10.5220/0004321001430148 conf/modelsward/2013 db/conf/modelsward/modelsward2013.html#SatpathySARB13 Michael J. Butler John Colley Andrew Edmunds Colin F. Snook Neil Evans Neil Grant Helen Marshall Modelling and Refinement in CODA Refine@IFM 2013 36-51 https://doi.org/10.4204/EPTCS.115.3 http://arxiv.org/abs/1305.6112 journals/corr/abs-1305-5634 db/series/eptcs/eptcs115.html#abs-1305-6112 Thiago C. de Sousa Paulo Sérgio Muniz Silva Colin F. Snook A Practical Event-B Refinement Method Based on a UML-Driven Development Process. 357-360 2012 ABZ https://doi.org/10.1007/978-3-642-30885-7_31 conf/asm/2012 db/conf/asm/abz2012.html#SousaSS12 Brett Bicknell Jose Reis Michael J. Butler John Colley Colin F. Snook A Practical Approach for Closed Systems Formal Verification Using Event-B. 323-332 2012 SEFM https://doi.org/10.1007/978-3-642-33826-7_22 https://www.wikidata.org/entity/Q59625857 conf/sefm/2012 db/conf/sefm/sefm2012.html#BicknellRBCS12

Thiago C. de Sousa Colin F. Snook Paulo Sérgio Muniz Silva A proposal for extending UML-B to support a conceptual model. 293-301 2011 7 Innov. Syst. Softw. Eng. 4 https://doi.org/10.1007/s11334-011-0169-9 db/journals/isse/isse7.html#SousaSS11

Stefan Hallerstede Colin F. Snook Refining Nodes and Edges of State Machines. 569-584 2011 ICFEM https://doi.org/10.1007/978-3-642-24559-6_38 conf/icfem/2011 db/conf/icfem/icfem2011.html#HallerstedeS11 Colin F. Snook Vitaly Savicks Michael J. Butler Verification of UML Models by Translation to UML-B. 251-266 2010 FMCO https://doi.org/10.1007/978-3-642-25271-6_13 https://www.wikidata.org/entity/Q59625892 conf/fmco/2010 db/conf/fmco/fmco2010.html#SnookSB10 Mar Yah Said Michael J. Butler Colin F. Snook Language and Tool Support for Class and State Machine Refinement in UML-B. 579-595 2009 FM https://doi.org/10.1007/978-3-642-05089-3_37 https://www.wikidata.org/entity/Q59625922 conf/fm/2009 db/conf/fm/fm2009.html#SaidBS09 Marta Plaska Marina Waldén Colin F. Snook Documenting the Progress of the System Development. 251-274 2009 Methods, Models and Tools for Fault Tolerance https://doi.org/10.1007/978-3-642-00867-2_12 series/lncs/5454 db/series/lncs/lncs5454.html#PlaskaWS09

Colin F. Snook Michael Poppleton Ian Johnson Rigorous engineering of product-line requirements: A case study in failure management. 112-129 2008 50 Inf. Softw. Technol. 1-2 https://doi.org/10.1016/j.infsof.2007.10.010 db/journals/infsof/infsof50.html#SnookPJ08

Colin F. Snook Michael J. Butler UML-B: A Plug-in for the Event-B Tool Set. 344 2008 ABZ https://doi.org/10.1007/978-3-540-87603-8_32 https://www.wikidata.org/entity/Q59625976 conf/asm/2008 db/conf/asm/abz2008.html#SnookB08 Colin F. Snook Marina Waldén Refinement of Statemachines Using Event B Semantics. 171-185 2007 conf/b/2007 B https://doi.org/10.1007/11955757_15 db/conf/b/b2007.html#SnookW07 Rozilawati Razali Colin F. Snook Michael Poppleton Paul W. Garratt Robert J. Walters Experimental Comparison of the Comprehensibility of a UML-based Formal Specification versus a Textual One. 2007 EASE http://ewic.bcs.org/content/ConWebDoc/10663 conf/ease/2007 db/conf/ease/ease2007.html#RazaliSPGW07 Rozilawati Razali Colin F. Snook Michael Poppleton Paul W. Garratt Usability Assessment of a UML-based Formal Modelling Method. 6 2007 PPIG http://ppig.org/library/paper/usability-assessment-uml-based-formal-modelling-method conf/ppig/2007 db/conf/ppig/ppig2007.html#RazaliSPG07

Colin F. Snook Michael J. Butler UML-B: Formal modeling and design aided by UML. 92-122 2006 15 ACM Trans. Softw. Eng. Methodol. 1 https://doi.org/10.1145/1125808.1125811 db/journals/tosem/tosem15.html#SnookB06

D. Moisuc S. Revol Colin F. Snook UML User Interface to a Proof-based Hardware Design Flow. 337-344 2006 FDL http://www.ecsi-association.org/ecsi/main.asp?l1=library&fn=def&id=290 conf/fdl/2006 db/conf/fdl/fdl2006.html#MoisucRS06 Dubravka Ilic Elena Troubitsyna Linas Laibinis Colin F. Snook Formal Development of Mechanisms for Tolerating Transient Faults. 189-209 2006 conf/rodin/2006 RODIN Book https://doi.org/10.1007/11916246_10 db/conf/rodin/rodin2006.html#IlicTLS06 Colin F. Snook Michael Poppleton Ian Johnson Towards a Method for Rigorous Development of Generic Requirements Patterns. 326-342 2006 conf/rodin/2006 RODIN Book https://doi.org/10.1007/11916246_17 db/conf/rodin/rodin2006.html#SnookPJ06 Michael J. Butler Michael Leuschel Colin F. Snook Tools for System Validation with B Abstract Machines. 57-69 2005 conf/asm/2005 Abstract State Machines http://www.univ-paris12.fr/lacl/dima/asm05/asm-mjb.ps db/conf/asm/asm2005.html#ButlerLS05

Nikolaos S. Voros Colin F. Snook Stefan Hallerstede Konstantinos Masselos Embedded System Design Using Formal Model Refinement: An Approach Based on the Combined Use of UML and the B Language. 67-99 2004 9 Des. Autom. Embed. Syst. 2 https://doi.org/10.1007/s10617-005-1184-6 db/journals/dafes/dafes9.html#VorosSHM04

Colin F. Snook Rachel Harrison Experimental comparison of the comprehensibility of a Z specification and its implementation in Java. 955-971 2004 46 Inf. Softw. Technol. 14 https://doi.org/10.1016/j.infsof.2004.04.003 db/journals/infsof/infsof46.html#SnookH04

Nikolaos S. Voros Colin F. Snook Stefan Hallerstede Thierry Lecomte A hardware/software codesign framework for developing complex embedded systems using formal model refinement. 598-612 2004 FDL http://www.ecsi-association.org/ecsi/main.asp?l1=library&fn=def&id=645 conf/fdl/2004 db/conf/fdl/fdl2004.html#VorosSHL04 Colin F. Snook Kim Sandström Using UML-B and U2B for formal refinement of digital components1. 505-515 2003 FDL http://www.ecsi-association.org/ecsi/main.asp?l1=library&fn=def&id=840 conf/fdl/2003 db/conf/fdl/fdl2003.html#SnookS03 Colin Frank Snook Exploring the barriers to formal specification. 2001 University of Southampton, UK https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.268626 British Library, EThOS

Colin F. Snook Rachel Harrison Practitioners' views on the use of formal methods: an industrial survey by structured interview. 275-283 2001 43 Inf. Softw. Technol. 4 db/journals/infsof/infsof43.html#SnookH01 https://doi.org/10.1016/S0950-5849(00)00166-X https://www.wikidata.org/entity/Q111899595

Colin F. Snook Michael J. Butler Using a Graphical Design Tool for Formal Specification. 24 2001 PPIG https://ppig.org/papers/2001-ppig-13th-snook/ conf/ppig/2001 db/conf/ppig/ppig2001.html#SnookB01 Manoranjan Satpathy Rachel Harrison Colin F. Snook Michael J. Butler A Generic Model for Assessing Process Quality. 94-110 2000 conf/iwsm/2000 IWSM https://doi.org/10.1007/3-540-44704-0_8 db/conf/iwsm/iwsm2000.html#SatpathyHSB00 Messaoud Abbas Fahad Alotaibi Leonardo Aniello Robert C. Armstrong Silky Arora Choukri-Bey Ben-Yelles Brett Bicknell Michael J. Butler John Colley Mohammadsadegh Dalvandi Dana Dghaym Andrew Edmunds Neil Evans Asieh Salehi Fathabadi Michael Felderer Andreas Fellner Tomas Fischer Paul W. Garratt Neil Grant Stefan Hallerstede Rachel Harrison Thai Son Hoang Geoffrey C. Hulette Dubravka Ilic Ian Johnson Tom J. Kazmierski Martin Kubisch Lukas Ladenberger Linas Laibinis Thierry Lecomte Michael Leuschel István Majzik Helen Marshall Kostas MasselosKonstantinos Masselos D. Moisuc Karla Morris Roberto Nardone Tope Omitola Marta Plaska Michael Poppleton S. Ramesh 0002 Alexander Raschke Rozilawati Razali Klaus Reichl José ReisJose Reis S. Revol Renaud Rioboo Mar Yah Said Kim Sandström Vladimiro Sassone Manoranjan Satpathy Vitaly Savicks Rupert Schlick Paulo Sérgio Muniz Silva Neeraj Kumar Singh 0001 Thiago C. de Sousa Thorsten Tarrach Robert Thorburn Elena Troubitsyna Peter Tummeltshammer Valeria Vittorini Laurent Voisin Nikos S. VorosNikolaos S. Voros Marina Waldén Robert J. Walters Keming Wang Karla Vanessa Morris Wright