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Industrial Applications of Formal Methods to Model, Design and Analyze Computer Systems
1st Edition - January 1, 1995
Authors: Dan Craigen, Susan Gerhart
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Formal methods are mathematically-based techniques, often supported by reasoning tools, that can offer a rigorous and effective way to model, design and analyze computer systems.… Read more
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Formal methods are mathematically-based techniques, often supported by reasoning tools, that can offer a rigorous and effective way to model, design and analyze computer systems. The purpose of this study is to evaluate international industrial experience in using formal methods. The cases selected are representative of industrial-grade projects and span a variety of application domains. The study had three main objectives: · To better inform deliberations within industry and government on standards and regulations; · To provide an authoritative record on the practical experience of formal methods to date; and À To suggest areas where future research and technology development are needed. This study was undertaken by three experts in formal methods and software engineering: Dan Craigen of ORA Canada, Susan Gerhart of Applied Formal Methods, and Ted Ralston of Ralston Research Associates. Robin Bloomfield of Adelard was involved with the Darlington Nuclear Generating Station Shutdown System case. Support for this study was provided by organizations in Canada and the United States. The Atomic Energy Control Board of Canada (AECB) provided support for Dan Craigen and for the technical editing provided by Karen Summerskill. The U.S. Naval Research Laboratories (NRL), Washington, DC, provided support for all three authors. The U.S. National Institute of Standards and Technology (NIST) provided support for Ted Ralston.
Volume 1 Purpose, Approach, Analysis, and Conclusions 1. An International Survey of Industrial Applications of Formal Methods Introduction 2. Formal Methods 2.1 An Historical Perspective 2.2 What is Formal Methods? 2.3 What are the Limits of Formal Methods? 2.4 Specific Formal Methods 3. Case Summary 3.1 Regulatory Cluster 3.2 Commercial Cluster 3.3 Exploratory Cluster 4. Methodology 4.1 Areas of Interest 4.2 Acquisition of Information 4.3 Questionnaires 4.4 Analytic Framework 4.5 Cluster Analysis 5. Regulatory Cluster Analysis 5.1 Introduction 5.2 Cases 5.3 Observations 5.4 Analysis 6. Commercial Cluster Analysis 6.1 Introduction 6.2 Cases 6.3 Observations 6.4 Analysis 7. Exploratory Cluster Analysis 7.1 Introduction 7.2 Cases 7.3 Observations 7.4 Analysis 8. Key Events and Timing 8.1 Starter 8.2 Booster 8.3 Current State 8.4 Timing 9. Analysis of Formal MEthods R & D Summary 9.1 Regulatory Cluster 9.2 Commercial Cluster 9.3 Overall Observations 10. Findings, Observations and Conclusions 10.1 Maturing of Formal Methods 10.2 Scale of Application 10.3 Primary Uses of Formal Methods 10.4 System Certification 10.5 Tool Support 10.6 Technology Transfer 10.7 Formal Methods Skills are Building 10.8 Code Level Application of Formal Methods 10.9 Inadequate Cost Models 11. ReferencesVolume 2 Case Studies 1. Structured Systems Analysis and Design Method Toolset 1.1 Case Description 1.2 Interview Summary 1.3 Evaluation 1.4 Conclusions 2. IBM's Customer Information Control System 2.1 Case Description 2.2 Questionnaire 1 2.3 Interview Summary 2.4 Evaluation 2.5 Conclusions 3. Cleanroom Software Methodology 3.1 Case Description 3.2 Interview Summary: IBM 3.3 Interview Summary: NASA Goddard Center 3.4 Evaluation 3.5 Conclusions 4. Darlington: Trip Computer Software 4.1 Case Description 4.2 Interview Summary 4.3 Evaluation 4.4 Conclusions 5. LaCoS Esprit Project 5.1 Case Description 5.2 Questionnaire 1 5.3 Interview Summary 5.4 Evaluation 5.5 Conclusions 6. Multinet Gateway 6.1 Case Description 6.2 Interview Summary 6.3 Evaluation 6.4 Conclusions 7. SACEM—A Railway Signalling System 7.1 Case Description 7.2 Questionnaire 1 7.3 KVS 7.4 CTDC Calcutta 7.5 Interview Summary 7.6 Evaluation 7.7 Conclusions 8. NIST Token-Based Access Control System (TBACS) 8.1 Case Description 8.2 Questionnaire 1 8.3 Interview Summary 8.4 Evaluation 8.5 Conclusions 9. Teltronix—Use of Z Method on Oscilloscopes 9.1 Case Description 9.2 Questionnaire 1 9.3 Interview Summary 9.4 Evaluation 9.5 Conclusions 10. Traffic Alert and Collision Avoidance System (TCAS) 10.1 Case Description 10.2 Interview Summary 10.3 Evaluation 10.4 Conclusions 11. INMOS Transputer—Use of Formal Methods in Hardware Verification 11.1 Case Description 11.2 Interview Summary 11.3 Evaluation 11.4 Conclusions 12. Hewlett-Packard Medical Instruments Analytical Information Base (AIB) Component Monitoring System 12.1 Case Description 12.2 Interview Summary 12.3 EvaluationAppendix A: Biographies of AuthorsAppendix B: Formal Methods Techniques B.1 Software Cost Reduction (SCR) B.2 B B.3 Cleanroom B.4 Formal Development Methodology (FDM) B.5 Gypsy Verification Environment B.6 Hoare Logic B.7 Hewlett-Packard Specification Language (HP-SL) B.8 OCCAM/Communicating Sequential Processes (CSP) B.9 RAISE B.10 TCAS Methodology B.11 ZAppendix C: Initial QuestionnaireAppendix D: Questionnaire for Structured InterviewAppendix E: Review CommitteeAppendix F: Acknowledgments