Proc. of the European symposium on programming on ESOP 86
The Z notation: a reference manual
The Z notation: a reference manual
A specification-based adaptive test case generation strategy for open operating system standards
Proceedings of the 18th international conference on Software engineering
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ACM Transactions on Software Engineering and Methodology (TOSEM)
A refinement calculus for VHDL
EURO-DAC '96/EURO-VHDL '96 Proceedings of the conference on European design automation
Improving Design Dependability by Exploiting an Open Model-Based Specification
IEEE Transactions on Computers
Proof assistance for real-time systems using an interactive theorem prover
Theoretical Computer Science
Proof Assistance for Real-Time Systems Using an Interactive Theorem Prover
ARTS '99 Proceedings of the 5th International AMAST Workshop on Formal Methods for Real-Time and Probabilistic Systems
Improving design dependability based on the TRON loose standardization approach
TRON '95 Proceedings of the The 12th TRON Project International Symposium, 1995
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FTCS '95 Proceedings of the Twenty-Fifth International Symposium on Fault-Tolerant Computing
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IWSSD '91 Proceedings of the 6th international workshop on Software specification and design
Formalising the L4 microkernel API
CATS '06 Proceedings of the 12th Computing: The Australasian Theroy Symposium - Volume 51
Cost enforcement in the real-time specification for Java
Real-Time Systems
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RTSS'10 Proceedings of the 21st IEEE conference on Real-time systems symposium
Using graphical icons to build Z specifications
2FACS'97 Proceedings of the 2nd BCS-FACS conference on Northern Formal Methods
Formalising the L4 microkernel API
CATS '06 Proceedings of the Twelfth Computing: The Australasian Theory Symposium - Volume 51
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The application of formal methods to a safety-critical system is illustrated. The objective of the study was to improve the existing documentation of a diagnostic X-ray machine to serve later reimplementations. The separation of the kernel from applications helped identify a design flaw in the kernel that could have caused damage by the X-ray application. The case study which shows that mathematical techniques have an important role to play in documenting systems and avoiding design flaws, is a good example of the use of the Z (pronounced 'Zed') notation and its methods for modeling systems. The limitations of this specification are delineated, showing that there is a need for other specification techniques to tackle the remaining properties, like real-time performance, for completeness and comparison.