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What and Who

Data-Flow Based Detection of Loop Bounds on C code

Olha Hocharova
IMPRS
Talk

Master Student / IMPRS
AG 1, AG 2, AG 3, AG 4, AG 5, SWS, RG1, RG2  
Public Audience
English

Date, Time and Location

Tuesday, 13 May 2008
13:05
60 Minutes
E1 4
R024
Saarbrücken

Abstract

Static Worst-Case Execution Time (WCET) analysis is a technique to derive upper bounds for the execution times of programs. Such bounds are crucial when designing and verifying real-time systems. A key component for static derivation of precise WCET estimates is upper bounds on the number of times different loops can be iterated.

As the manual annotation of all loops with such bounds is difficult and time consuming, the WCET analyzer aiT originally developed by Saarland University and AbsInt GmbH uses static analysis to determine the needed bounds as far as possible. In this talk I describe a novel data-flow based analysis for aiT to calculate the needed loop bounds on the C code level.

Contact

Stephanie Jörg
0681 9325225
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Stephanie Jörg, 04/24/2008 12:49
Stephanie Jörg, 04/23/2008 10:48
Stephanie Jörg, 04/23/2008 10:46 -- Created document.