The University of Southampton
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Professor Michael Butler

Academic Staff

My main research area is formal methods for software engineering. These are mathematical modeling and analysis methods used to increase the trustworthiness of software based systems.  They are typically used for high integrity systems where software-induced failures would lead to loss of life or significant loss of business or reputation.  I specialise in model-based formal methods, in particular a formal method called Event-B. My research work encompasses applications, tools and methodology for formal methods. I have made key theoretical and methodological contributions to the Event-B formal method that enable it to scale to large complex systems.  These contributions enable modular analysis in terms of how systems models are structured and analysed as well as methods for development of domain-specific mathematical theories that are reusable across multiple projects.

Research

Professional

Qualifications

B.A.(Hons) Computer Science, Trinity College Dublin
M.Sc. Computation, University of Oxford
D.Phil. Computation, University of Oxford

Professional activities

Publications

Silva, Renato and Butler, Michael (2009) Supporting reuse of Event-B developments through generic instantiation. In, International Conference on Formal Engineering Methods (ICFEM 09), Rio de Janeiro, Brazil, 09 - 12 Dec 2009. 19pp.

Sorge, Jennifer, Poppleton, Michael and Butler, Michael (2009) A Basis for feature-oriented modelling in Event-B. Pre-print, 14pp.

Silva, Renato and Butler, Michael (2009) Supporting reuse mechanisms for developments in event-b: composition. Southampton, UK, Southampton University, 15pp.

Pascal, Carine and Silva, Renato (2009) Event-B model decomposition. In, DEPLOY Plenary Technical Workshop 2009 21 - 23 Oct 2009. University of Southampton6pp.

Silva, Renato, Pascal, Carine, Hoang, T.S. and Butler, Michael (2009) Decomposition tool for Event-B. Southampton, UK, University of Southampton, 4pp.

Maamria, Issam, Butler, Michael, Edmunds, Andrew and Rezazadeh, Abdolbaghi (2010) On an extensible rule-based prover for event-B. In, Proceedings of ABZ 2010. ABZ2010 , Springer. (Lecture Notes in Computer Science).

Butler, M. J. and Hartel, P. H. (1999) Reasoning about Grover's Quantum Search Algorithm using Probabilistic wp. ACM Transactions on Programming Languages and Systems, 21, (3), 417-430.

Butler, M. J. (1999) Calculational Derivation of Pointer Algorithms from Tree Operations. Science of Computer Programming, 33, (3), 221-260.

Butler, M. J. (1999) csp2B: A Practical Approach to Combining CSP and B. Proc. FM'99: World Congress on Formal Methods Springer-Verlag, 490-508.

Butler, M. J. (1999) Distributed Electronic Mail System. Program Development by Refinement - Case Studies Using the B Method, Springer FACIT Series Springer-Verlag, Berlin, 301-322.

Butler, M. J. and Waldén, M. (1999) Parallel Programming with the B Method. Program Development by Refinement - Case Studies Using the B Method, Springer FACIT Series Springer-Verlag, Berlin, 183-195.

Hartel, P. H., Butler, M. J. and Levy, M. (1999) The Operational Semantics of a Java Secure Processor. In, Alves-Foss, J. (eds.) Formal Syntax and Semantics of Java, LNCS 1523. , Springer-Verlag, 313-52.

Hartel, P., Butler, M., Currie, A., Henderson, P., Leuschel, M., Martin, A., Smith, A., Ultes-Nitsche, U. and Walters, R.J. (1999) Questions and Answers About Ten Formal Methods. In, Proc. 4th Int. Workshop on Formal Methods for Industrial Critical Systems STAR/CNR, Pisa, Italy, 179-203.

Back, R. J. R. and Butler, M. J. (1998) Fusion and Simultaneous Execution in the Refinement Calculus. Acta Informatica, 35, (11), 921-949.

Butler, M. J. (1998) Event Ordering in Action Systems. In, Proc. Int. Refinement Workshop / Formal Methods Pacific'98, Springer Series in Discrete Mathematics and Theoretical Computer Science Springer-Verlag, Berlin, 61-80.

Butler, M. J. (1998) Using Refinement to Analyse the Safety of an Authentication Protocol.

Butler, M. J. (1997) An Approach to the Design of Distributed Systems with B AMN. In, Proc. 10th Int. Conf. of Z Users: The Z Formal Specification Notation (ZUM), LNCS 1212 Springer-Verlag, Berlin, 223-241.

Butler, M. J. (1997) Review of Abrial, J.-R. The B-Book. The Computer J., 40, (1), 59-61.

Butler, M. J., Grundy, J., Långbacka, T., Ruksenas, R. and Wright, J. von (1997) The Refinement Calculator: Proof Support for Program Refinement. In, Proc. Conf. Formal Methods Pacific'97, Springer Series in Discrete Mathematics and Theoretical Computer Science Springer-Verlag, Berlin, 40-61.

Butler, M. J. (1997) Action System Analysis of an Authentication Protocol (extended abstract). Proc. Conf. Formal Methods Pacific'97, Springer Series in Discrete Mathematics and Theoretical Computer Science Springer-Verlag, Berlin, 287-288.

Butler, M. J. (1996) Stepwise Refinement of Communicating Systems. Science of Computer Programming, 27, (2), 139-173.

Butler, M. J. (1996) Calculational Derivation of Algorithms on Tree-based Pointer Structures. In, BCS-FACS Refinement Workshop Springer-Verlag Electronic Workshops in Computing.

Butler, M. J. (1996) An Approach to the Design of Distributed Systems with B AMN (extended version).

Butler, M. J. and Långbacka, T. (1996) Program Derivation using the Refinement Calculator. In, Proc. 9th Int. Conf. on Theorem Proving in Higher Order Logics (TPHOLs'96), LNCS 1125 Springer-Verlag, Berlin, 93-108.

Butler, M. J., Sekerinski, E. and Sere, K. (1996) An Action System Approach to the Steam Boiler Problem. In, Formal Methods for Industrial Applications -- Specifying and Programming the Steam Boiler Control, LNCS 1165 Springer-Verlag, Berlin, 129-148.

Butler, M. J. and Waldén, M. (1996) Distributed System Development in B. In, Proc. First B Conf. IRIN (Institut de Recherche en Informatique de Nantes), 155-168.

Butler, M.J. and Morgan, C.C. (1995) Action Systems, Unbounded Nondeterminism, and Infinite Traces. Formal Aspects of Computing, 7, 37-53.

Back, R.J.R. and Butler, M.J. (1995) Exploring Summation and Product Operators in the Refinement Calculus. In, Mathematics of Program Construction Springer-Verlag.

Butler, M.J. (1993) Refinement and Decomposition of Value-Passing Action Systemss in the Refinement Calculus. CONCUR'93 Springer-Verlag.

Butler, M.J. (1991) Behavioural Extension for CSP Processes. VDM '91 Springer-Verlag.

Butler, M.J. (1990) Service Extension at the Specification Level. Z User Meeting Springer-Verlag.

Butler, M.J., Hedman, E., Nilson, P., Ruksenas, R., Waldén, M. and Zhao, Y. (1994) Specification of a Program Derivation Editor. (Reports in Mathematics and Computer Science A94-15).

Butler, M.J. and Back, R.J.R. (1994) Applications of Summation and Product Operators in the Refinement Calculus. 6th Nordic Workshop on Programming Theory

Butler, M.J. (1989) Formal Techniques Applied to the X.400 Reliable Transfer Service. Programming Research Group, Oxford University Masters Thesis .

Butler, M.J. (1992) A CSP Approach to Action Systems. Oxford University, Computing Laboratory, Doctoral Thesis .

Butler, M.J. (1993) Feature Interaction Analysis Using Z.

Butler, M. J. and Meagher, M. M. R. (2000) Performing Algorithmic Refinement before Data Refinement in B. In, Proc. ZB2000: Formal Specification and Development in Z and B Springer, 324-343.

Hallerstede, S. and Butler, M. J. (1999) Refinement of Dynamic Systems. , University of Southampton

Butler, M. J. (2000) csp2B: A Practical Approach to Combining CSP and B. Formal Aspects of Computing, 12, 182-196.

Satpathy, Manoranjan, Harrison, Rachel, Snook, Colin and Butler, Michael (2001) A Generic Model for Assessing Process Quality. In, International Workshop on Software Measurement (IWSM2000) Springer.

Butler, Michael and Ferreira, Carla (2000) A Process Compensation Language. In, Integrated Formal Methods IFM2000 Springer, 61.

Butler, Michael, Hartel, Pieter, Jong, Eduard de and Longley, Mark (1997) Applying Formal Methods to the Design of Smart Card Software.

Butler, Michael and Airchinnigh, Micheal Mac an (1993) Service Specification Using Z.

Butler, Michael and McDonnell, Eoin (1993) Experiment D: Application of Z to IN-Services Test Case.

Butler, Michael, Hartel, Pieter, Jong, Eduard de and Longley, Mark (2001) Transacted Memory for Smart Cards. In, FME 2001, Formal Methods for Increasing Software Productivity Springer-Verlag, 478-99.

Snook, Colin and Butler, Michael (2000) Verifying Dynamic Properties of UML Models by Translation to the B Language and Toolkit. In, UML 2000 Workshop, Dynamic Behaviour in UML Models: Semantic Questions

Snook, C. and Butler, M. J. (2001) Using a Graphical Design Tool for Formal Specification. In, Proceedings 13th Annual Workshop of the Psychology of Programming Interest Group

Mikhailov, Leonid and Butler, Michael (2001) Combining B and Alloy. In, Formal Methods for Industrial Critical Systems

Satpathy, Manoranjan, Harrison, Rachel, Snook, Colin and Butler, Michael (2001) A Comparative Study of Formal and Informal Specifications through an Industrial Case Study. In, IEEE/ IFIP Workshop on Formal Specification of Computer Based Systems (FSCBS'01)

DeRoure, David, Moreau, Luc, Butler, Michael, Chown, Tim and Hartel, Pieter (2000) Study of Security in Multi-Agent Architectures. , Department of Electronics and Computer Science, University of Southampton

Leuschel, Michael, Adhianto, Laksono, Butler, Michael, Ferreira, Carla and Mikhailov, Leonid (2001) Animation and Model Checking of CSP and B using Prolog Technology. In, Proceedings of the ACM Sigplan Workshop on Verification and Computational Logic VCL'2001 , 97-109.

Mikhailov, Leonid and Butler, Michael (2002) An Approach to Combining B and Alloy. In, ZB'2002

Butler, Michael (2002) A System-based Approach to the Formal Development of Embedded Controllers for a Railway. Design Automation for Embedded Systems, 6, 355-366.

Butler, Michael and Falampin, Jerome (2002) An Approach to Modelling and Refining Timing Properties in B. In, Refinement of Critical Systems (RCS)

Mikhailova, Anna, Doche, Marielle and Butler, Michael (2002) Contracts for Scenario-Based Testing of Object-Oriented Programs.

Ng, Muan Yong and Butler, Michael (2002) Tool Support for Visualizing CSP in UML. International Conference on Formal Engineering Methods(ICFEM), Shanghai, China, 21 - 25 Oct 2002. Springer Verlag, 287-298.

Butler, Michael, Leuschel, Michael, Lo Presti, Stephane, Allsopp, David, Beautement, Patrick, Booth, Chris, Cusack, Mark and Kirton, Mike (2003) Towards a Trust Analysis Framework for Pervasive Computing Scenarios.

Butler, Michael, Ferreira, Carla, Henderson, Peter, Chessell, Mandy, Griffin, Catherine and Vines, David (2002) Extending the Concept of Transaction Compensation. IBM Systems Journal, 47, 743-758.

Augusto, Juan Carlos, Leuschel, Michael, Butler, Michael and Ferreira, Carla (2003) Using the Extensible Model Checker XTL to Verify StAC Business Specifications. In, 3rd Workshop on Automated Verification of Critical Systems (AVoCS 2003), Southampton, 02 - 03 Apr 2003. , 253-266.

Butler, M. J. (2002) On the Use of Data Refinement in the Development of Secure Communications Systems. Formal Aspects of Computing, 14, (1), 2-34.

Augusto, Juan, Butler, Michael, Ferreira, Carla and Craig, Stephen (2003) Using SPIN and STeP to Verify StAC Specifications. In, 5th International A.P.Ershov Conference on Perspectives of System Informatics, Novosibirsk, Russia,

Ng, Muan Yong and Butler, Michael (2003) Towards formalizing UML State Diagrams in CSP. 1st IEEE International Conference on Software Engineering and Formal Methods, Brisbane, Australia, 25 - 26 Sep 2003. IEEE Computer Society, 138-147.

Leuschel, Michael and Butler, Michael (2003) ProB: A Model Checker for B. Formal Methods Europe 2003, Pisa, Italy, Springer-Verlag, LNCS, 855-874.

Butler, Michael and Ferreira, Carla (2003) Using B Refinement to Analyse Compensating Business Processes. In, ZB 2003: Third International Conference of B and Z Users, Turku, Springer.

Rezazadeh, Abdolbaghi and Butler, Michael (2003) Event-Based Modelling and Refinement of Distributed Monitoring and Control Systems. In, Refinement of Critical Systems (RCS'03)

Butler, Michael, Leuschel, Michael, Lo Presti, Stephane and Turner, Phillip (2004) The Use of Formal Methods in the Analysis of Trust (Position Paper). In, Second International Conference on Trust Management (iTrust 2004), Oxford, UK, 01 Mar - 29 Apr 2004. Springer, 333-339.

Hallerstede, Stefan and Butler, Michael (2004) Performance Analysis of Probabilistic Action Systems. Formal Aspects of Computing, 16, (4), 313-331.

Butler, Michael and Ferreira, Carla (2004) An Operational Semantics for StAC, a Language for Modelling Long-running Business Transactions. In, Coordination 2004, Pisa, Springer.

Snook, Colin, Butler, Michael and Oliver, Ian (2004) The UML-B Profile for formal systems modelling in UML. In, Mermet, J. (eds.) UML-B Specification for Proven Embedded Systems Design. , Springer.

Butler, Michael, Ferreira, Carla and Ng, Muan Yong (2005) Precise Modelling of Compensating Business Transactions and its Application to BPEL. Journal of Universal Computer Science, 11, (5), 712-743.

Butler, Michael, Hoare, C.A.R. and Ferreira, Carla (2005) A trace semantics for long-running transactions. In, 25 Years of CSP, London, Springer, 133-150.

Snook, Colin and Butler, Michael (2006) UML-B: Formal modelling and design aided by UML. ACM Transactions on Software Engineering and Methodology, 15, (1), 92-122.

Lo Presti, Stephane, Butler, Michael, Leuschel, Michael, Snook, Colin and Turner, Phillip (2004) Formal Modelling and Verification of Trust in a Pervasive Application.

Snook, Colin, Butler, Michael, Edmunds, Andy and Johnson, Ian (2004) Rigorous development of reusable, domain-specific components, for complex applications. In, 3rd International Workshop on Critical Systems Development with UML, Lisbon, Technische Universitat Munchen, 115-129.

Butler, Michael and Leuschel, Michael (2005) Combining CSP and B for Specification and Property Verification. In, Formal Methods 2005, Newcastle upon Tyne, 18 - 22 Jul 2005. Springer, 221-236.

Rezazadeh, Abdolbaghi and Butler, Michael (2005) Some Guidelines for Formal Development of Web-based Applications in B-Method. In, 4th International Conference of B and Z Users (ZB 2005), 13-15 April 2005,

Satpathy, Manoranjan, Leuschel, Michael and Butler, Michael, Gurevich, Yuri, Petrenko, Alexander K. and Kossatchev, Alexander (eds.) (2005) ProTest: An Automatic Test Environment for B Specifications. Electronic Notes in Theoretical Computer Science, 111, 113-136.

Butler, Michael, Leuschel, Michael and Snook, Colin (2005) Tools for system validation with B abstract machines. In, ASM 2005: 12th International Workshop on Abstract State Machines, Paris,

Snook, Colin and Butler, Michael (2004) U2B - A tool for translating UML-B models into B. In, Mermet, J. (eds.) UML-B Specification for Proven Embedded Systems Design. , Springer.

Lo Presti, S, Butler, M, Leuschel, M and Booth, C (2005) A Trust Analysis Methodology for Pervasive Computing Systems. In, Falcone, R, Barber, S, Sabater, J and Singh, M (eds.) Trusting Agents for trusting Electronic Societies, LNCS Volume 3577. , Springer.

Butler, Michael and Ripon, Shamim (2005) Executable Semantics for Compensating CSP. In, 2nd International Workshop on Web Services and Formal Methods, Versailles, Springer, 243- 256.

Lo Presti, Stephane and Butler, Michael (2005) Literature Survey on Trust.

Bruni, Roberto, Butler, Michael, Ferreira, Carla, Hoare, Tony, Melgratti, Hernan and Montanari, Ugo (2005) Comparing two approaches to compensable flow composition. In, CONCUR 2005, San Francisco, 23 - 26 Aug 2005.

Yadav, Divakar and Butler, Michael (2005) Application of Event B to Global Causal Ordering for Fault Tolerant Transactions. In, Workshop on Rigorous Engineering of Fault Tolerant Systems (REFT2005), Newcastle upon Tyne, 18 - 22 Jul 2005. , 93-102.

Butler, Michael, Jones, Cliff, Romanovsky, Alexander and Troubitsyna, Elena (2005) Proceedings of the Workshop on Rigorous Engineering of Fault-Tolerant Systems (REFT 2005). , University of Newcastle upon Tyne, School of Computing Science (Technical Report Series, CS-TR-).

Snook, Colin, Poppleton, Michael and Johnson, Ian (2005) Towards a methodology for rigorous development of generic requirements patterns. In, Workshop on Rigorous Engineering of Fault Tolerant Systems, Newcastle, UK, , 17-27.

Leuschel, Michael and Butler, Michael (2005) Automatic Refinement Checking for B. In, ICFEM'05 Springer-Verlag.

Evans, Neil and Butler, Michael (2006) A Proposal for Records in Event-B. In, Formal Methods 2006, McMaster, Canada, Springer, 221-235.

Yadav, Divakar and Butler, Michael (2006) Rigorous Design of Fault-Tolerant Transactions for Replicated Database Systems using Event B. In, Rigorous Development of Complex Fault-Tolerant Systems. , Lecture Notes in Computer Science, Springer , 2006, 343-363.

Ripon, Shamim and Butler, Michael (2006) Relating Semantic Models of Compensating CSP.

Lo Presti, Stéphane, Butler, Michael, Leuschel, Michael and Booth, Chris (2006) Holistic Trust Design of E-Services. In, Song, Ronggong (eds.) Trust in E-services: Technologies, Practices and Challenges. , .

Abrial, Jean-Raymond, Butler, Michael, Hallerstede, Stefan and Voisin, Laurent (2006) An open extensible tool environment for Event-B. In, ICFEM 2006, Macau, Springer.

Evans, Neil and Butler, Michael (2006) Incremental Construction of Large Specifications: Case Study and Techniques.

Turner, Edd and Butler, Michael (2006) Symmetry Reduction in the ProB Model Checker. In, FM2006 Doctoral Symposium, McMaster University, Canada, 21 - 27 Aug 2006. Springer Verlag.

Ball, Elisabeth and Butler, Michael (2006) Using Decomposition to Model Multi-agent Interaction Protocols in Event-B. In, FM'06 Doctoral Symposium, McMaster University, Hamilton, Canada, Springer.

Leavens, Gary T., Abrial, Jean-Raymond, Batory, Don, Butler, Michael, Coglio, Alessandro, Fisler, Kathi, Hehner, Eric, Jones, Cliff B., Miller, Dale, Peyton-Jones, Simon, Sitaraman, Murali, Smith, Douglas R. and Stump, Aaron (2006) Roadmap for Enhanced Languages and Methods to Aid Verification. In, Generative Programming and Component Engineering, 5th International, Portland, Oregon, 22 - 26 Oct 2006. ACM.

Leuschel, Michael and Butler, Michael (2008) ProB: an automated analysis toolset for the B method. International Journal on Software Tools for Technology Transfer, 10, (2), 185-203. (doi:10.1007/s10009-007-0063-9).

Leuschel, Michael, Butler, Michael, Spermann, Corinna and Turner, Edd (2006) Symmetry Reduction for B by Permutation Flooding. In, B2007, Besancon, France,

Butler, Michael and Yadav, Divakar (2008) An incremental development of the Mondex system in Event-B. Formal Aspects of Computing, 20, (1), 61-77. (doi:10.1007/s00165-007-0061-4).

Butler, Michael, Jones, Cliff B., Romanovsky, Alexander and Troubitsyna, Elena (2006) Rigorous Development of Complex Fault-Tolerant Systems, Springer (Lecture Notes in Computer Science, 4157).

Yadav, Divakar and Butler, Michael (2007) Formal Specifications and Verification of Message Ordering Properties in a Broadcasting System using Event B.

Turner, Edd, Leuschel, Michael, Spermann, Corinna and Butler, Michael (2007) Symmetry Reduced Model Checking for B. In, First Joint IEEE/IFIP Symposium on Theoretical Aspects of Software Engineering (TASE '07), ECNU, Shanghai, China, 06 - 08 Jun 2007. IEEE Computer Society, 25-34.

Ball, Elisabeth and Butler, Michael (2007) Event-B Patterns for Specifying Fault-Tolerance in Multi-Agent Interaction. In, Methods, Models and Tools for Fault Tolerance, Oxford, UK,

Yadav, Divakar and Butler, Michael (2007) Formal Development of Fault Tolerant Transactions for a replicated Database using Ordered Broadcasts. In, Methods, Models and Tools for Fault Tolerance (MeMoT 2007), Oxford, , 33-42.

Leuschel, Michael, Butler, Michael, Spermann, Corinna and Turner, Edd (2007) Symmetry Reduction for B by Permutation Flooding. In, 7th International B Conference, Besancon. , France, Springer.

Leuschel, Michael, Cansell, Dominique and Butler, Michael (2007) Validating and Animating Higher-Order Recursive Functions in B. In, Festschrift for Egon Börger

Satpathy, Manoranjan, Butler, Michael, Leuschel, Michael and Ramesh, S (2007) Automatic Testing from Formal Specifications. In, International Conference on Tests And Proofs (TAP), ETH Zurich, Switzerland, 12 - 13 Feb 2007.

Butler, Michael, Jones, Cliff, Romanovsky, Alexander and Troubitsyna, Elena (2007) Proceedings of the Workshop on Methods, Models and Tools for Fault Tolerance (MeMToFT 2007).

Butler, Michael, Hinchey, Michael G. and Larrondo-Petrie, María M. (eds.) (2007) Formal Methods and Software Engineering: 9th International Conference on Formal Engineering Methods, ICFEM 2007, Springer (Lecture Notes in Computer Science, 4789).

Snook, Colin and Butler, Michael (2008) UML-B and Event-B: an integration of languages and tools. In, The IASTED International Conference on Software Engineering - SE2008, Innsbruck, AT, 12 - 14 Feb 2008.

Butler, Michael and Hallerstede, Stefan (2007) The Rodin Formal Modelling Tool. BCS-FACS Christmas 2007 Meeting - Formal Methods In Industry, London.

Butler, Michael (2006) On the Verified-by-Construction Approach. FACS FACTS

Rezazadeh, Abdolbaghi , Evans, Neil and Butler, Michael (2007) Redevelopment of an Industrial Case Study Using Event-B and Rodin. In, BCS-FACS Christmas 2007 Meeting - Formal Methods In Industry, London,

Edmunds, Andrew and Butler, Michael (2008) Linking Event-B and Concurrent Object-Oriented Programs. In, Refine 2008 - International Refinement Workshop, Turku, finland,

Damchoom, Kriangsak, Butler, Michael and Abrial, Jean-Raymond (2008) Modelling and proof of a Tree-structured File System in Event-B and Rodin. In, ICFEM 2008 Springer, 25-44.

Boerger, Egon, Butler, Michael, Bowen, Jonathan and Boca, Paul (2008) ABZ2008 Conference - Short Papers.

Börger, Egon, Butler, Michael, Bowen, Jonathan P. and Boca, Paul (2008) Abstract State Machines, B and Z - First International Conference ABZ 2008, Springer (LNCS, 5238).

Abrial, Jean-Raymond, Butler, Michael, Hallerstede, Stefan and Voisin, Laurent (2008) A Roadmap for the Rodin Toolset. In, Abstract State Machines, B and Z, First International Conference ABZ 2008 , 347.

Snook, Colin and Butler, Michael (2008) UML-B: A plug-in for the Event-B tool set. In, Abstract State Machines, B and Z, First International Conference ABZ 2008 , 347.

Butler, Michael (2009) Incremental Design of Distributed Systems with Event-B. In, Broy, Manfred, Sitou, Wassiou and Hoare, Tony (eds.) Engineering Methods and Tools for Software Safety and Security - Marktoberdorf Summer School 2008. , IOS Press, 131-160.

Butler, Michael (2009) Decomposition Structures for Event-B. In, Integrated Formal Methods iFM2009, Springer, LNCS 5423 Springer.

Said, Mar Yah, Butler, Michael and Snook, Colin (2009) Class and State Machine Re?nement in UML-B. In, Integration of Model-based Formal Methods and Tools (workshop at iFM 2009)

Ball, Elisabeth and Butler, Michael (2009) Event-B Patterns for Specifying Fault-Tolerance in Multi-Agent Interaction. In, Methods, Models and Tools for Fault Tolerance LNCS 5454. , Springer.

Yadav, Divakar and Butler, Michael (2009) Formal Development of a Total Order Broadcast for Distributed Transactions using Event-B. In, Methods, Models and Tools for Fault Tolerance LNCS 5454. , Springer.

Butler, Michael, Jones, Cliff B, Romanovsky, Alexander and Troubitsyna, Elena (2009) Methods, Models and Tools for Fault Tolerance, Springer (LNCS, 5454).

Yadav, Divakar and Butler, Michael (2009) Verification of Liveness Properties in Distributed Systems. In, Second International Conference, IC3 2009, Noida, India, 17 - 19 Aug 2009.

Savicks, Vitaly, Snook, Colin and Butler, Michael (2009) Animation of UML-B State-machines.

Said, Mar Yah, Butler, Michael and Snook, Colin (2009) Language and tool support for class and state machine refinement in UML-B. In, Cavalcanti, A. and Dams, D. (eds.) FM 2009: Formal Methods. FM2009 - 16th International Symposium on Formal Methods Berlin, DE, Heidelberg, DE, Springer, 579-595. (Lecture Notes in Computer Science, LNCS 5850). (doi:10.1007/978-3-642-05089-3_37).

Maamria, Issam, Butler, Michael, Edmunds, Andrew and Rezazadeh, Abdolbaghi (2010) On an Extensible Rule-based Prover for Event-B. In, ABZ2010, Orford, Canada, 23 - 25 Feb 2010.

Maamria, Issam, Butler, Michael, Edmunds, Andrew and Rezazadeh, Abdolbaghi (2009) On an Extensible Rule-based Prover for Event-B.

Damchoom, Kriangsak and Butler, Michael (2009) Applying Event and Machine Decomposition to a Flash-Based Filestore in Event-B. In, SBMF 2009, Gramado, Brazil, 19 - 21 Aug 2009. Springer LNCS, 134-152.

Abrial, Jean-Raymond, Butler, Michael, Joshi, Rajev, Troubitsyna, Elena and Woodcock, Jim C. P. (2010) 09381 Extended Abstracts Collection — Refinement Based Methods for the Construction of Dependable Systems, Schloss Dagstuhl - Leibniz-Zentrum fuer Informatik, Germany (Dagstuhl Seminar Proceedings, 09381 09381).

Silva, Renato and Butler, Michael (2009) Supporting Reuse of Event-B Developments through Generic Instantiation. In, Formal Methods and Software Engineering, 11th International Conference on Formal Engineering Methods, ICFEM 2009, Rio de Janeiro, Brazil, 09 - 12 Dec 2009. Springer.

Ripon, Shamim and Butler, Michael (2009) PVS Embedding of cCSP Semantic Models and their Relationship. Electr. Notes Theor. Comput. Sci., 250, (2), 103-118.

Ireland, Andrew, Grov, Gudmund and Butler, Michael (2010) Reasoned Modelling Critics: Turning Failed Proofs into Modelling Guidance. In, ABZ 2010, Orford, Canada,

Turner, Edd, Butler, Michael and Leuschel, Michael (2010) A Refinement-Based Correctness Proof of Symmetry Reduced Model Checking. In, ABZ 2010, Orford, Canada,

Sorge, Jennifer, Poppleton, Mike and Butler, Michael (2010) A Basis for Feature-Oriented Modelling in Event-B. In, ABZ2010, Orford, Canada, 23 - 25 Feb 2010.

Silva, Renato, Pascal, Carine, Hoang, T. Son and Butler, Michael (2010) Decomposition Tool for Event-B. In, Workshop on Tool Building in Formal Methods - ABZ Conference, Orford, Quebec, Canada,

Silva, Renato and Butler, Michael (2009) Supporting Reuse of Event-B Developments through Generic Instantiation. In, International Conference on Formal Engineering Methods(ICFEM), Rio de Janeiro, Brazil, 07 - 12 Dec 2010.

Silva, Renato and Butler, Michael (2009) Supporting Reuse Mechanisms for Developments in Event-B: Composition.

Gondal, Ali, Poppleton, Mike, Butler, Michael and Snook, Colin (2010) Feature-Oriented Modelling Using Event-B. In, International Conference on Software Engineering Theory and Practice (SETP-10), Orlando, FL., USA, 12 - 14 Jul 2010.

Edmunds, Andrew and Butler, Michael (2010) Tool Support for Event-B Code Generation. In, WS-TBFM2010

Yeganefard, Sanaz, Butler, Michael and Rezazadeh, Abdolbaghi (2010) Evaluation of a Guideline by Formal Modelling of Cruise Control System in Event-B. In, Proceedings of the Second NASA Formal Methods Symposium (NFM 2010), NASA/CP-2010-216215, Washington DC, 13 - 14 Apr 2010. , 182-191.

Abrial, Jean-Raymond, Butler, Michael, Hallerstede, Stefan, Hoang, Thai Son, Mehta, Farhad and Voisin, Laurent (2010) Rodin: an open toolset for modelling and reasoning in Event-B. International Journal on Software Tools for Technology Transfer, 12, (6), 447-466. (doi:10.1007/s10009-010-0145-y).

Maamria, Issam and Butler, Michael (2010) Rewriting and Well-De?nedness within a Proof System. In, Partiality and Recursion in Interactive Theorem Provers PAR-10

Salehi Fathabadi, Asieh and Butler, Michael (2010) Applying Event-B Atomicity Decomposition to a Multi Media Protocol. In, FMCO Formal Methods for Components and Objects Springer LNCS, 89-104.

Silva, Renato, Pascal, Carine, Hoang, Thai Son and Butler, Michael (2011) Decomposition Tool for Event-B. Software: Practice and Experience, 41, (2), 199-208.

Gondal, Ali, Poppleton, Mike and Butler, Michael (2011) Composing Event-B Specifications - Case-Study Experience. In, 10th International Conference on Software Composition, Zurich , Switzerland, 30 Jun - 01 Jul 2011. Springer, 100-115.

Edmunds, Andrew and Butler, Michael (2011) Tasking Event-B: An Extension to Event-B for Generating Concurrent Code. In, PLACES 2011, Saarbrucken, Germany,

Ireland, Andrew, Grov, Gudmund, Llano, Maria Teresa and Butler, Michael (2013) Reasoned modelling critics: turning failed proofs into modelling guidance. [in special issue: Abstract State Machines, Alloy, B and Z - Selected Papers from ABZ 2010] Science of Computer Programming, 78, (3), 293-309. (doi:10.1016/j.scico.2011.03.006).

Salehi Fathabadi, Asieh, Rezazadeh, Abdolbaghi and Butler, Michael (2011) Applying Atomicity and Model Decomposition to a Space Craft System in Event-B. In, THIRD NASA FORMAL METHODS SYMPOSIUM, Pasadena, California, 18 - 20 Apr 2011.

Silva, Renato and Butler, Michael (2010) Shared Event Composition/Decomposition in Event-B. In, FMCO Formal Methods for Components and Objects, Graz, Austria, 29 Nov - 01 Dec 2010.

Sarshogh, Mohammad Reza and Butler, Michael (2011) Specification and refinement of discrete timing properties in Event-B. In, AVoCS 2011, Newcastle,

Butler, Michael and Schulte, Wolfram (2011) FM 2011: Formal Methods - 17th International Symposium on Formal Methods, Limerick, Ireland, June 20-24, 2011, Springer

Colley, John and Butler, Michael (2009) On Proving with Event-B that a Pipelined Processor Model Implements its ISA Specification. In, Dagstuhl Seminar on Refinement Based Methods for the Construction of Dependable Systems, Dagstuhl,

Edmunds, Andrew, Rezazadeh, Abdolbaghi and Butler, Michael (2011) From Event-B models to code: sensing, actuating, and the environment. At SBMF2011, Sao Paulo, BR, 26 - 28 Sep 2011. 6pp.

Snook, Colin, Savicks, Vitaly and Butler, Michael (2011) Verification of UML models by translation to UML-B. Lecture Notes in Computer Science, 6957, 251.

Edmunds, Andrew, Rezazadeh, Abdolbaghi and Butler, Michael (2012) Formal modelling for Ada implementations: tasking Event-B. In, Ada-Europe 2012: 17th International Conference on Reliable Software Technologies, Stockholm, SE, 11 - 15 Jun 2012. 14pp.

Edmunds, Andrew, Butler, Michael, Maamria, Issam, Silva, Renato and Lovell, Chris (2012) Event-B code generation: type extension with theories. In, ABZ 2012, Pisa, IT, 19 - 21 Jun 2012. 4pp.

Yeganefard, Sanaz and Butler, Michael (2012) Control systems: phenomena and structuring functional requirement documents. In, 17th IEEE International Conference on Engineering of Complex Computer Systems (ICECCS 2012)., Paris, FR, 18 - 20 Jul 2012. 10pp.

Yeganefard, Sanaz and Butler, Michael (2011) Structuring functional requirements of control systems to facilitate refinement-based formalisation. [in special issue: Automated Verification of Critical Systems 2011] Electronic Communications of the EASST, 46

Lovell, Chris, Edmunds, Andy, Silva, Renato, Maamria, Issam and Butler, Michael (2012) Ensuring extensibility within code generation. In, Rodin User and Developer Workshop, Fontainebleau, FR, 27 - 29 Feb 2012.

Edmunds, Andrew, Lovell, Chris, Silva, Renato, Maamria, Issam and Butler, Michael (2012) Code generation update. In, Rodin User and Developer Workshop, Fontainebleau, FR, 27 - 29 Feb 2012. 2pp.

Butler, Michael, Salehi Fathabadi, Asieh and Silva, Renato (2012) Event-B and Rodin. In, Boulanger, Jean-Louis (eds.) Industrial Use of Formal Methods: Formal Verification. London, GB, Chichester, GB, ISTE; Wiley, 215-245.

Salehi Fathabadi, Asieh, Butler, Michael and Rezazadeh, Abdolbaghi (2012) A systematic approach to atomicity decomposition in Event-B. [in special issue: Software Engineering and Formal Methods. 10th International Conference, SEFM 2012, Thessaloniki, Greece, October 1-5, 2012. Proceedings] Lecture Notes in Computer Science, 7504, 78-93. (doi:10.1007/978-3-642-33826-7_6).

Butler, Michael (2012) External and internal choice with event groups in Event-B. [in special issue: Celebrating the 60th Birthday of Carroll Morgan] FORMAL ASPECTS OF COMPUTING, 24, (4-6), 555-567. (doi:10.1007/s00165-012-0239-2).

Edmunds, Andrew, Colley, John and Butler, Michael (2012) Building on the DEPLOY legacy: code generation and simulation. In, DS-Event-B-2012: Workshop on the experience of and advances in developing dependable systems in Event-B

Butler, Michael (2013) Mastering System Analysis and Design through Abstraction and Refinement. In, Engineering Dependable Software Systems. Summer School on Engineering Dependable Software Systems, Marktoberdorf, Germany, 2012 , IOS Press.

Satpathy, Manoranjan, Snook, Colin, Arora, Silky, Ramesh, S and Butler, Michael (2013) Systematic Development of Control Designs via Formal Refinement. In, International Conference on Model-Driven Engineering and Software Development

Colley, John and Butler, Michael (2013) A Formal, Systematic Approach to STPA using Event-B Refinement and Proof. In, 21th Safety Critical System Symposium,

Butler, Michael, Colley, John, Edmunds, Andrew, Snook, Colin, Evans, Neil, Grant, Neil and Marshall, Helen (2013) Modelling and Refinement in CODA. In, Refine , 36-51.

Satpathy, M., Ramesh, S., Snook, Colin, Singh, N.K. and Butler, Michael (2013) A Mixed Approach to Rigorous Development of Control Designs. In, IEEE Multi-Conference on Systems and Control (MSC 2013)

Butler, Michael and Maamria, Issam (2013) Practical Theory Extension in Event-B. In, Festschrift Symposium in Honour of He Jifeng on the Occasion of His 70th Birthday

Yeganefard, Sanaz and Butler, Michael (2013) Problem Decomposition and Sub-Model Reconciliation of Control Systems in Event-B. In, IEEE International Workshop on Formal Methods Integration

Banach, Richard and Butler, Michael (2013) Cruise Control in Hybrid Event-B. In, International Colloquium on Theoretical Aspects of Computing (ICTAC)

Banach, Richard and Butler, Michael (2013) A Hybrid Event-B Study of Lane Centering. In, Complex Systems Design & Management (CSD&M) 2013

Butler, Michael, Hallerstede, Stefan and Walden, Marina (eds.) (2013) Proceedings of the 4th Rodin User and Developer Workshop, Turku, FI, Turku Centre for Computer Science, 41pp. (TUCS Publication Series).

Bicknell, Brett, Reis, Jose, Butler, Michael, Colley, John and Snook, Colin (2012) A Practical Approach for Closed Systems Formal Verification Using Event-B. In, 10th International Conference on Software Engineering and Formal Methods (SEFM 2012) , 323-332.

Butler, Michael, Voisin, Laurent and Muller, Thomas (2013) Tooling in DEPLOY. In, Romanovsky, Alexander and Thomas, Martin (eds.) Industrial Deployment of System Engineering Methods. , Springer.

Said, Mar Yah, Butler, Michael and Snook, Colin (2015) A Method of Refinement in UML-B. Software and Systems Modeling, 14, (4)

Alkhammash, Eman, Salehi Fathabadi, Asieh, Butler, Michael and Cirstea, Corina (2013) Building Traceable Event-B Models from Requirements. In, Automated Verification of Critical Systems (AVoCS 2013)

Savicks, Vitaly, Butler, Michael, Bendisposto, Jens and Colley, John (2013) Co-simulation of Event-B and Continuous Models in Rodin. In, 4th Rodin User and Developer Workshop

Pereverzeva, Inna, Butler, Michael, Salehi Fathabadi, Asieh, Laibinis, Linas and Troubitsyna, Elena (2014) Formal derivation of distributed MapReduce. In, 4th International ABZ 2014 Conference, Toulouse, FR, 02 - 06 Jun 2014. 17pp.

Chaudemar, Jean-Charles , Savicks, Vitaly and Butler, Michael (2014) Co-simulation of Event-B and Ptolemy II Models via FMI. In, Embedded Real-time software and systems (ERTSS 2014)

Reis, Jose, Bicknell, Brett, Butler, Michael and Colley, John (2014) Innovative Approach for Requirements Verification of Closed Systems. In, Embedded Real-time software and systems (ERTSS 2014)

Savicks, Vitaly, Butler, Michael and Colley, John (2014) Co-simulation environment for Rodin: landing gear case study. In, 4th International ABZ 2014 Conference, Toulouse, FR, 02 - 04 Jun 2014. (doi:10.1007/978-3-319-07512-9_11).

Savicks, Vitaly, Butler, Michael, Colley, John and Bendisposto, Jens (2014) Rodin multi-simulation plug-in. In, 5th Rodin User and Developer Workshop, Toulouse, FR, 02 - 03 Jun 2014.

Savicks, Vitaly, Butler, Michael and Colley, John (2014) Co-simulating Event-B and continuous models via FMI. In, 2014 Summer Computer Simulation Conference, Monterey, US, 06 - 10 Jul 2014. Society for Modeling & Simulation International ( SCS ).

Butler, Michael and Hallerstede, Stefan (eds.) (2014) Proceedings of the 5th Rodin User and Developer Workshop, 2014, Southampton, GB, University of Southampton, 59pp.

Salehi Fathabadi, Asieh, Snook, Colin and Butler, Michael (2014) Applying an integrated modelling process to run-time management of many-core systems. In, 11th International Conference on Integrated Formal Methods (iFM), Bertinoro, IT, 09 - 11 Sep 2014.

Salehi Fathabadi, Asieh, Butler, Michael and Rezazadeh, Abdolbaghi (2015) Language and tool support for event refinement structures in Event-B. Formal Aspects of Computing, 27, (3), 499-523.

Dalvandi, Mohammadsadegh, Butler, Michael and Rezazadeh, Abdolbaghi (2015) From Event-B models to Dafny code contracts. In, 6th IPM International Conference on Fundamentals of Software Engineering (FSEN2015), Tehran, IR, 22 - 24 Apr 2015.

Butler, Michael, Abrial, Jean-Raymond and Banach, Richard (2015) Modelling and Refining Hybrid Systems in Event-B and Rodin. In, From Action System to Distributed Systems: The Refinement Approach. , Taylor & Francis.

Alkhammash, Eman, Butler, Michael, Fathabadi, Asieh Salehi and Cîrstea, Corina (2015) Building traceable Event-B models from requirements. Science of Computer Programming, 1- 21. (doi:10.1016/j.scico.2015.06.002).

Banach, Richard, Butler, Michael, Qin, Shengchao, Verma, Nitika and Zhu, Huibiao (2015) Core Hybrid Event-B I: Single Hybrid Event-B machines. Science of Computer Programming , 105, (0), 92 - 123.

Eleftherakis, George, Butler, Michael and Hinchey, Mike (2015) Editorial. Formal Asp. Comput., 27, (3), 473.

Wilkinson, Toby, Butler, Michael and Colley, John (2014) A Systematic Approach to Requirements Driven Test Generation for Safety Critical Systems. In, Model-Based Safety and Assessment - 4th International Symposium, {IMBSA} 2014, Munich, Germany, October 27-29, 2014. Proceedings , 43-56.

Salehi Fathabadi, Asieh, Maeda-Nunez, Luis Alfonso, Butler, Michael, Al-Hashimi, Bashir and Merrett, Geoff (2015) Towards automatic code generation of run-time power management for embedded systems using formal methods. In, 9th International Symposium on Embedded Multicore/Many-core Systems-on-Chip (MCSoC-15), Turin, IT, 23 - 25 Sep 2015. 8pp.

Dalvandi, Mohammadsadegh, Butler, Michael and Rezazadeh, Abdolbaghi (2015) Transforming Event-B models to Dafny contracts. In, 15th International Workshop on Automated Verification of Critical Systems (AVoCS 2015), Edinburgh, GB, 01 - 04 Sep 2015.

Butler, Michael, Conchon, Sylvain and Zaïdi, Fatiha (eds.) (2015) 17th International Conference on Formal Engineering Methods, ICFEM 2015, Springer (Lecture Notes in Computer Science, 9407).

Wilkinson, Toby, Butler, Michael, Paxton, Martin and Waldron, Xanthippe (2015) A Formal Approach to Multi-UAV Route Validation. In, Fourth International Workshop on Formal Techniques for Safety-Critical Systems,

Butler, Michael (2016) Lectures on Modelling and Verification in Event-B. In, Spring School on Engineering Trustworthy Software Systems 2016, Chongqinq, China,

Butler, Michael, Giannakopoulou, Dimitra and Salaun, Gwen (eds.) (2016) Editorial. [in special issue: 12th Edition of Software Engineering and Formal Methods (SEFM)] Formal Aspects of Computing, 28, 179-180. (doi:10.1007/s00165-016-0368-0).

Dghaym, Dana, Trindade, Matheus Garay, Butler, Michael and Salehi Fathabadi, Asieh (2016) A graphical tool for event refinement structures in Event-B. In, Abstract State Machines, Alloy, B, TLA, VDM, and Z: Proceedings of the 5th International Conference, ABZ 2016, Linz, Austria, May 23-27, 2016, Linz, AT, Springer, 269-274. (doi:10.1007/978-3-319-33600-8_20).

Hoang, Son, Snook, Colin, Ladenberger, Lukas and Butler, Michael (2016) Validating the requirements and design of a hemodialysis machine using iUML-B, BMotion Studio, and co-simulation. In, Abstract State Machines, Alloy, B, TLA, VDM, and Z - 5th International Conference, ABZ 2016, Linz, Austria, May 23-27, 2016, Proceedings, Berlin, DE, Springer, 360-375. (doi:10.1007/978-3-319-33600-8_31).

Butler, Michael, Schewe, Klaus-Dieter, Mashkoor, Atif and Biro, Miklos (eds.) (2016) Abstract State Machines, Alloy, B, TLA, VDM, and Z: 5th International Conference, ABZ 2016, Linz, Austria, May 23-27, 2016, Proceedings, Berlin, DE, Springer (Lecture Notes in Computer Science, 9675).

Butler, Michael and Hoang, Thai Son (eds.) (2016) Proceedings of the 6th Rodin User and Developer Workshop, 2016. Southampton, GB , University of Southampton, 36pp.

Contact

Telephone: +442380592435

Email: mjb@ecs.soton.ac.uk

Additional contact details

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