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CBSE
2015
Springer

Stochastic Contracts for Runtime Checking of Component-based Real-time Systems

4 years 7 months ago
Stochastic Contracts for Runtime Checking of Component-based Real-time Systems
This paper introduces a new technique for dynamic verification of component-based real-time systems based on statistical inference. Verifying such systems requires checking two types of properties: functional and real-time. For functional properties, a standard approach for ensuring correctness is Design by Contract: annotating programs with executable pre- and postconditions. We extend contracts for specifying real-time properties. In the industry, components are often bought from vendors and meant to be used off-the-shelf which makes it very difficult to determine their execution times and express related properties. We present a solution to this problem by using statistical inference for estimating the properties. The contract framework allows application developers to express contracts like“the execution time of component X lies within γ standard deviations from the mean execution time”. Experiments based on industrial case studies show that this framework can be smoothly i...
Chandrakana Nandi, Aurelien Monot, Manuel Oriol
Added 17 Apr 2016
Updated 17 Apr 2016
Type Journal
Year 2015
Where CBSE
Authors Chandrakana Nandi, Aurelien Monot, Manuel Oriol
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