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Detecting data store access conflict in Simulink by solving Boolean satisfiability problems

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2 Author(s)
Zhi Han ; MathWorks, Three Apple Hill Drive, Natick, MA, 01760, USA ; Pieter J. Mosterman

This paper presents a method to statically analyze a Simulink® model to detect two potential problems with data store memory blocks: (i) a value may be read from a data store before it is written and (ii) a data store may be overwritten before its value is read by other blocks. The analysis employs a Boolean satisfiability (SAT) solver and so obviates extensive testing by means of simulation. It is illustrated how this supports model elaboration in Model-Based Design by performing the analysis on a task model of a digital controller implementation.

Published in:

Proceedings of the 2010 American Control Conference

Date of Conference:

June 30 2010-July 2 2010