Communicating sequential processes
Communicating sequential processes
The temporal logic of reactive and concurrent systems
The temporal logic of reactive and concurrent systems
The concurrency workbench: a semantics-based tool for the verification of concurrent systems
ACM Transactions on Programming Languages and Systems (TOPLAS)
ACM Transactions on Software Engineering and Methodology (TOSEM)
Requirements Specification for Process-Control Systems
IEEE Transactions on Software Engineering
Generation of multi-formalism state-space analysis tools
ISSTA '96 Proceedings of the 1996 ACM SIGSOFT international symposium on Software testing and analysis
The STATEMATE semantics of statecharts
ACM Transactions on Software Engineering and Methodology (TOSEM)
Where Do Operations Come From? A Multiparadigm Specification Technique
IEEE Transactions on Software Engineering - Special issue: best papers of the 1996 international symposium on software testing and analysis ISSTA'96
Analyzing partially-implemented real-time systems
ICSE '97 Proceedings of the 19th international conference on Software engineering
ICSE '97 Proceedings of the 19th international conference on Software engineering
An analysis-based approach to composition of distributed embedded systems
Proceedings of the 6th international workshop on Hardware/software codesign
Lightweight analysis of operational specifications using inference graphs
ICSE '01 Proceedings of the 23rd International Conference on Software Engineering
A component-based approach to building formal analysis tools
ICSE '01 Proceedings of the 23rd International Conference on Software Engineering
Enhanced operational semantics: a tool for describing and analyzing concurrent systems
ACM Computing Surveys (CSUR)
Communication and Concurrency
State-Based Model Checking of Event-Driven System Requirements
IEEE Transactions on Software Engineering
Model Checking Large Software Specifications
IEEE Transactions on Software Engineering
Hierarchical Automata as Model for Statecharts
ASIAN '97 Proceedings of the Third Asian Computing Science Conference on Advances in Computing Science
A Comparison of Statecharts Variants
ProCoS Proceedings of the Third International Symposium Organized Jointly with the Working Group Provably Correct Systems on Formal Techniques in Real-Time and Fault-Tolerant Systems
IF: An Intermediate Representation and Validation Environment for Timed Asynchronous Systems
FM '99 Proceedings of the Wold Congress on Formal Methods in the Development of Computing Systems-Volume I - Volume I
Using Partial Orders to Improve Automatic Verification Methods
CAV '90 Proceedings of the 2nd International Workshop on Computer Aided Verification
Composition in Multiparadigm Specification Techniques
Proceedings of the IFIP TC6/WG6.1 Third International Conference on Formal Methods for Open Object-Based Distributed Systems (FMOODS)
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We propose a unifying framework for model-based specification notations. Our framework captures the execution semantics that are common among model-based notations, and leaves the distinct elements to be defined by a set of parameters. The basic components of a specification are non-concurrent state-transition machines which are combined by composition operators to form more complex, concurrent specifications. We define the step-semantics of these basic components in terms of an operational semantics template whose parameters specialize both the enabling of transitions and transitions' effects. We also provide the operational semantics of seven composition operators, defining each as the concurrent execution of components, with changes to their shared variables and events to reflect inter-component communication and synchronization; the definitions of these operators use the template parameters to preserve in composition notation-specific behaviour. By separating a notation's step-semantics from its composition and concurrency operators, we simplify the definitions of both. Our framework is sufficient to capture the semantics of basic transition systems, CSP, CCS, basic LOTOS, ESTELLE, a subset of SDL88, and a variety of statecharts notations. We believe that a description of a notation's semantics in our framework can be used as input to a tool that automatically generates formal analysis tools.