Date of Original Version

9-2005

Type

Technical Report

Abstract or Description

Component Formal Reasoning Technology, ComFoRT, is a model-checking-based approach for analysis of component-based software designs. ComFoRT is designed to be used in a prediction-enabled component technology (PECT). A PECT provides a means to reliably predict the runtime qualities (e.g., performance and reliability) of assemblies of components from their certifiable properties (e.g., execution time and behavioral descriptions). ComFoRT uses an abstraction-based approach to cope with the complexity of analysis by reducing the size of the program models to be analyzed. This note presents technical details of a SAT-based predicate abstraction technique used in ComFoRT. The main advantage of the SAT-based method over conventional predicate abstraction techniques is that it does not require an exponential number of theorem prover calls for computing an abstract model. Additionally, the SAT-based approach computes a more precise and safe abstraction compared to existing predicate abstraction methods.

Comments

CMU/SEI-2005-TR-006

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