Formal specification of system functions
Today's software systems tend more and more to comprise a multitude of different, often interfering functionalities. Especially in the case of embedded systems with their high requirements on safety this imposes additional risks for unwanted system behavior. Use cases are a common way to descri...
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| Abstract | Today's software systems tend more and more to comprise a multitude of different, often interfering functionalities. Especially in the case of embedded systems with their high requirements on safety this imposes additional risks for unwanted system behavior. Use cases are a common way to describe system functionalities in very early phases of the system design. Systematically translating these use cases into formal models in terms of system functions or services, respectively, constitutes a logical next step resulting in formal, service-oriented models. These models may facilitate validation activities, but are not efficient for formal verification. In this paper we propose an algebraic approach to specifying system functions as services. The proposed approach allows for model restructuring and transformation heading towards sufficing both requirements: intuitive validation and more efficient formal verification. |
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| AbstractList | Today's software systems tend more and more to comprise a multitude of different, often interfering functionalities. Especially in the case of embedded systems with their high requirements on safety this imposes additional risks for unwanted system behavior. Use cases are a common way to describe system functionalities in very early phases of the system design. Systematically translating these use cases into formal models in terms of system functions or services, respectively, constitutes a logical next step resulting in formal, service-oriented models. These models may facilitate validation activities, but are not efficient for formal verification. In this paper we propose an algebraic approach to specifying system functions as services. The proposed approach allows for model restructuring and transformation heading towards sufficing both requirements: intuitive validation and more efficient formal verification. |
| Author | Spanfelner, Bernd Leuxner, Christian Sitou, Wassiou |
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| SubjectTerms | Abstracts Airplanes Cellular phones Embedded system Explosions Formal specifications Formal verification General and reference -- Cross-computing tools and techniques -- Validation Informatics Safety Software and its engineering -- Software creation and management -- Software development process management -- Software development methods Software and its engineering -- Software creation and management -- Software verification and validation Software and its engineering -- Software creation and management -- Software verification and validation -- Empirical software validation Software and its engineering -- Software creation and management -- Software verification and validation -- Formal software verification Software and its engineering -- Software creation and management -- Software verification and validation -- Process validation Software and its engineering -- Software organization and properties -- Software functional properties -- Formal methods Software systems Theory of computation -- Semantics and reasoning -- Program reasoning -- Program specifications |
| Title | Formal specification of system functions |
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