10 Search Results for "Ermedahl, Andreas"


Document
Towards WCET Analysis of Multicore Architectures Using UPPAAL

Authors: Andreas Gustavsson, Andreas Ermedahl, Björn Lisper, and Paul Pettersson

Published in: OASIcs, Volume 15, 10th International Workshop on Worst-Case Execution Time Analysis (WCET 2010)


Abstract
To take full advantage of the increasingly used shared-memory multicore architectures, software algorithms will need to be parallelized over multiple threads. This means that threads will have to share resources (e.g. some level of cache) and communicate and synchronize with each other. There already exist software libraries (e.g. OpenMP) used to explicitly parallelize available sequential C/C++ and Fortran code, which means that parallel code could be easily obtained. To be able to use parallel software running on multicore architectures in embedded systems with hard real-time constraints, new WCET (Worst-Case Execution Time) analysis methods and tools must be developed. This paper investigates a method based on model-checking a system of timed automata using the UPPAAL tool box. It is found that it is possible to perform WCET analysis on (small) parallel systems using UPPAAL. We also show how to model thread synchronization using spinlock-like primitives.

Cite as

Andreas Gustavsson, Andreas Ermedahl, Björn Lisper, and Paul Pettersson. Towards WCET Analysis of Multicore Architectures Using UPPAAL. In 10th International Workshop on Worst-Case Execution Time Analysis (WCET 2010). Open Access Series in Informatics (OASIcs), Volume 15, pp. 101-112, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2010)


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@InProceedings{gustavsson_et_al:OASIcs.WCET.2010.101,
  author =	{Gustavsson, Andreas and Ermedahl, Andreas and Lisper, Bj\"{o}rn and Pettersson, Paul},
  title =	{{Towards WCET Analysis of Multicore Architectures Using UPPAAL}},
  booktitle =	{10th International Workshop on Worst-Case Execution Time Analysis (WCET 2010)},
  pages =	{101--112},
  series =	{Open Access Series in Informatics (OASIcs)},
  ISBN =	{978-3-939897-21-7},
  ISSN =	{2190-6807},
  year =	{2010},
  volume =	{15},
  editor =	{Lisper, Bj\"{o}rn},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops-dev.dagstuhl.de/entities/document/10.4230/OASIcs.WCET.2010.101},
  URN =		{urn:nbn:de:0030-drops-28304},
  doi =		{10.4230/OASIcs.WCET.2010.101},
  annote =	{Keywords: WCET, Multicore, Parallel, Thread Synchronization, Model-Checking, UPPAAL}
}
Document
The Mälardalen WCET Benchmarks: Past, Present And Future

Authors: Jan Gustafsson, Adam Betts, Andreas Ermedahl, and Björn Lisper

Published in: OASIcs, Volume 15, 10th International Workshop on Worst-Case Execution Time Analysis (WCET 2010)


Abstract
Modelling of real-time systems requires accurate and tight estimates of the Worst-Case Execution Time (WCET) of each task scheduled to run. In the past two decades, two main paradigms have emerged within the field of WCET analysis: static analysis and hybrid measurement-based analysis. These techniques have been succesfully implemented in prototype and commercial toolsets. Yet, comparison among the WCET estimates derived by such tools remains somewhat elusive as it requires a common set of benchmarks which serve a multitude of needs. The Maelardalen WCET research group maintains a large number of WCET benchmark programs for this purpose. This paper describes properties of the existing benchmarks, including their relative strengths and weaknesses. We propose extensions to the benchmarks which will allow any type of WCET tool evaluate its results against other state-of-the-art tools, thus setting a high standard for future research and development. We also propose an organization supporting the future work with the benchmarks. We suggest to form a committee with a responsibility for the benchmarks, and that the benchmark web site is transformed to an open wiki, with possibility for the WCET community to easily update the benchmarks.

Cite as

Jan Gustafsson, Adam Betts, Andreas Ermedahl, and Björn Lisper. The Mälardalen WCET Benchmarks: Past, Present And Future. In 10th International Workshop on Worst-Case Execution Time Analysis (WCET 2010). Open Access Series in Informatics (OASIcs), Volume 15, pp. 136-146, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2010)


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@InProceedings{gustafsson_et_al:OASIcs.WCET.2010.136,
  author =	{Gustafsson, Jan and Betts, Adam and Ermedahl, Andreas and Lisper, Bj\"{o}rn},
  title =	{{The M\"{a}lardalen WCET Benchmarks: Past, Present And Future}},
  booktitle =	{10th International Workshop on Worst-Case Execution Time Analysis (WCET 2010)},
  pages =	{136--146},
  series =	{Open Access Series in Informatics (OASIcs)},
  ISBN =	{978-3-939897-21-7},
  ISSN =	{2190-6807},
  year =	{2010},
  volume =	{15},
  editor =	{Lisper, Bj\"{o}rn},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops-dev.dagstuhl.de/entities/document/10.4230/OASIcs.WCET.2010.136},
  URN =		{urn:nbn:de:0030-drops-28336},
  doi =		{10.4230/OASIcs.WCET.2010.136},
  annote =	{Keywords: WCET analysis, benchmark}
}
Document
ALF - A Language for WCET Flow Analysis

Authors: Jan Gustafsson, Andreas Ermedahl, Björn Lisper, Christer Sandberg, and Linus Källberg

Published in: OASIcs, Volume 10, 9th International Workshop on Worst-Case Execution Time Analysis (WCET'09) (2009)


Abstract
Static Worst-Case Execution Time (WCET) analysis derives upper bounds for the execution times of programs. Such bounds are crucial when designing and verifying real-time systems. A key component in static WCET analysis is the flow analysis, which derives bounds on the number of times different code entities can be executed. Examples of flow information derived by a flow analysis are loop bounds and infeasible paths. Flow analysis can be performed on source code, intermediate code, or binary code: for the latter, there is a proliferation of instruction sets. Thus, flow analysis must deal with many code formats. However, the basic flow analysis techniques are more or less the same regardless of the code format. Thus, an interesting option is to define a common code format for flow analysis, which also allows for easy translation from the other formats. Flow analyses for this common format will then be portable, in principle supporting all types of code formats which can be translated to this format. Further, a common format simplifies the development of flow analyses, since only one specific code format needs to be targeted. This paper presents such a common code format, the ALF language (ARTIST2 Language for WCET Flow Analysis).

Cite as

Jan Gustafsson, Andreas Ermedahl, Björn Lisper, Christer Sandberg, and Linus Källberg. ALF - A Language for WCET Flow Analysis. In 9th International Workshop on Worst-Case Execution Time Analysis (WCET'09). Open Access Series in Informatics (OASIcs), Volume 10, pp. 1-11, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2009)


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@InProceedings{gustafsson_et_al:OASIcs.WCET.2009.2279,
  author =	{Gustafsson, Jan and Ermedahl, Andreas and Lisper, Bj\"{o}rn and Sandberg, Christer and K\"{a}llberg, Linus},
  title =	{{ALF - A Language for WCET Flow Analysis}},
  booktitle =	{9th International Workshop on Worst-Case Execution Time Analysis (WCET'09)},
  pages =	{1--11},
  series =	{Open Access Series in Informatics (OASIcs)},
  ISBN =	{978-3-939897-14-9},
  ISSN =	{2190-6807},
  year =	{2009},
  volume =	{10},
  editor =	{Holsti, Niklas},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops-dev.dagstuhl.de/entities/document/10.4230/OASIcs.WCET.2009.2279},
  URN =		{urn:nbn:de:0030-drops-22791},
  doi =		{10.4230/OASIcs.WCET.2009.2279},
  annote =	{Keywords: WCET analysis, flow analysis, ALF WCET analysis, flow analysis, ALF}
}
Document
Merging Techniques for Faster Derivation of WCET Flow Information using Abstract Execution

Authors: Jan Gustafsson and Andreas Ermedahl

Published in: OASIcs, Volume 8, 8th International Workshop on Worst-Case Execution Time Analysis (WCET'08) (2008)


Abstract
Static Worst-Case Execution Time (WCET) analysis derives upper bounds for the execution times of programs. Such bounds are crucial when designing and verifying real-time systems. A key component in static WCET analysis is to derive flow information, such as loop bounds and infeasible paths. We have previously introduced abstract execution (AE), a method capable of deriving very precise flow information. This paper present different merging techniques that can be used by AE for trading analysis time for flow information precision. It also presents a new technique, ordered merging, which may radically shorten AE analysis times, especially when analyzing large programs with many possible input variable values.

Cite as

Jan Gustafsson and Andreas Ermedahl. Merging Techniques for Faster Derivation of WCET Flow Information using Abstract Execution. In 8th International Workshop on Worst-Case Execution Time Analysis (WCET'08). Open Access Series in Informatics (OASIcs), Volume 8, pp. 1-11, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2008)


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@InProceedings{gustafsson_et_al:OASIcs.WCET.2008.1658,
  author =	{Gustafsson, Jan and Ermedahl, Andreas},
  title =	{{Merging Techniques for Faster Derivation of WCET Flow Information using Abstract Execution}},
  booktitle =	{8th International Workshop on Worst-Case Execution Time Analysis (WCET'08)},
  pages =	{1--11},
  series =	{Open Access Series in Informatics (OASIcs)},
  ISBN =	{978-3-939897-10-1},
  ISSN =	{2190-6807},
  year =	{2008},
  volume =	{8},
  editor =	{Kirner, Raimund},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops-dev.dagstuhl.de/entities/document/10.4230/OASIcs.WCET.2008.1658},
  URN =		{urn:nbn:de:0030-drops-16585},
  doi =		{10.4230/OASIcs.WCET.2008.1658},
  annote =	{Keywords: Worst-Case Execution Time (WCET) analysis, flow analysis}
}
Document
Clustering Worst-Case Execution Times for Software Components

Authors: Johan Fredriksson, Thomas Nolte, Andreas Ermedahl, and Mikael Nolin

Published in: OASIcs, Volume 6, 7th International Workshop on Worst-Case Execution Time Analysis (WCET'07) (2007)


Abstract
For component-based systems, classical techniques for Worst-Case Execution Time (WCET) estimation produce unacceptable overestimations of a componentsWCET. This is because software components more general behavior, required in order to facilitate reuse. Existing tools and methods in the context of Component-Based Software Engineering (CBSE) do not yet adequately consider reusable analyses. We present a method that allows different WCETs to be associated with subsets of a components behavior by clustering WCETs with respect to behavior. The method is intended to be used for enabling reusable WCET analysis for reusable software components. We illustrate our technique and demonstrate its potential in achieving tight WCET-estimates for components with rich behavior.

Cite as

Johan Fredriksson, Thomas Nolte, Andreas Ermedahl, and Mikael Nolin. Clustering Worst-Case Execution Times for Software Components. In 7th International Workshop on Worst-Case Execution Time Analysis (WCET'07). Open Access Series in Informatics (OASIcs), Volume 6, pp. 1-7, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2007)


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@InProceedings{fredriksson_et_al:OASIcs.WCET.2007.1185,
  author =	{Fredriksson, Johan and Nolte, Thomas and Ermedahl, Andreas and Nolin, Mikael},
  title =	{{Clustering Worst-Case Execution Times for Software Components}},
  booktitle =	{7th International Workshop on Worst-Case Execution Time Analysis (WCET'07)},
  pages =	{1--7},
  series =	{Open Access Series in Informatics (OASIcs)},
  ISBN =	{978-3-939897-05-7},
  ISSN =	{2190-6807},
  year =	{2007},
  volume =	{6},
  editor =	{Rochange, Christine},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops-dev.dagstuhl.de/entities/document/10.4230/OASIcs.WCET.2007.1185},
  URN =		{urn:nbn:de:0030-drops-11852},
  doi =		{10.4230/OASIcs.WCET.2007.1185},
  annote =	{Keywords: Worst-case execution time, Software components, Reuse, Analysis}
}
Document
Finding DU-Paths for Testing of Multi-Tasking Real-Time Systems using WCET Analysis

Authors: Daniel Sundmark, Anders Petterson, Christer Sandberg, Andreas Ermedahl, and Henrik Thane

Published in: OASIcs, Volume 6, 7th International Workshop on Worst-Case Execution Time Analysis (WCET'07) (2007)


Abstract
Memory corruption is one of the most common software failures. For sequential software and multi- tasking software with synchronized data accesses, it has been shown that program faults causing memory cor- ruption can be detected by analyzing the relations be- tween defines and uses of variables (DU-based testing). However, such methods are insufficient in preemptive systems, since they lack the ability to detect inter-task shared variable dependencies. In this paper, we propose the use of a system level shared variable DU analy- sis of preemptive multi-tasking real-time software. By deriving temporal attributes of each access to shared data using WCET analysis, and combining this infor- mation with the real-time schedule information, our method also detects inter-task shared variable depen- dencies. The paper also describes how we extended the SWEET tool to derive these temporal attributes.

Cite as

Daniel Sundmark, Anders Petterson, Christer Sandberg, Andreas Ermedahl, and Henrik Thane. Finding DU-Paths for Testing of Multi-Tasking Real-Time Systems using WCET Analysis. In 7th International Workshop on Worst-Case Execution Time Analysis (WCET'07). Open Access Series in Informatics (OASIcs), Volume 6, pp. 1-6, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2007)


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@InProceedings{sundmark_et_al:OASIcs.WCET.2007.1191,
  author =	{Sundmark, Daniel and Petterson, Anders and Sandberg, Christer and Ermedahl, Andreas and Thane, Henrik},
  title =	{{Finding DU-Paths for Testing of Multi-Tasking Real-Time Systems using WCET Analysis}},
  booktitle =	{7th International Workshop on Worst-Case Execution Time Analysis (WCET'07)},
  pages =	{1--6},
  series =	{Open Access Series in Informatics (OASIcs)},
  ISBN =	{978-3-939897-05-7},
  ISSN =	{2190-6807},
  year =	{2007},
  volume =	{6},
  editor =	{Rochange, Christine},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops-dev.dagstuhl.de/entities/document/10.4230/OASIcs.WCET.2007.1191},
  URN =		{urn:nbn:de:0030-drops-11914},
  doi =		{10.4230/OASIcs.WCET.2007.1191},
  annote =	{Keywords: Testing, Real-time systems, WCET analysis, data flow}
}
Document
Loop Bound Analysis based on a Combination of Program Slicing, Abstract Interpretation, and Invariant Analysis

Authors: Andreas Ermedahl, Christer Sandberg, Jan Gustafsson, Stefan Bygde, and Björn Lisper

Published in: OASIcs, Volume 6, 7th International Workshop on Worst-Case Execution Time Analysis (WCET'07) (2007)


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. In this paper we present an approach for deriving upper loop bounds based on a combination of standard program analysis techniques. The idea is to bound the number of different states in the loop which can influence the exit conditions. Given that the loop terminates, this number provides an upper loop bound. An algorithm based on the approach has been implemented in our WCET analysis tool SWEET. We evaluate the algorithm on a number of standard WCET benchmarks, giving evidence that it is capable to derive valid bounds for many types of loops.

Cite as

Andreas Ermedahl, Christer Sandberg, Jan Gustafsson, Stefan Bygde, and Björn Lisper. Loop Bound Analysis based on a Combination of Program Slicing, Abstract Interpretation, and Invariant Analysis. In 7th International Workshop on Worst-Case Execution Time Analysis (WCET'07). Open Access Series in Informatics (OASIcs), Volume 6, pp. 1-6, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2007)


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@InProceedings{ermedahl_et_al:OASIcs.WCET.2007.1194,
  author =	{Ermedahl, Andreas and Sandberg, Christer and Gustafsson, Jan and Bygde, Stefan and Lisper, Bj\"{o}rn},
  title =	{{Loop Bound Analysis based on a Combination of Program Slicing, Abstract Interpretation, and Invariant Analysis}},
  booktitle =	{7th International Workshop on Worst-Case Execution Time Analysis (WCET'07)},
  pages =	{1--6},
  series =	{Open Access Series in Informatics (OASIcs)},
  ISBN =	{978-3-939897-05-7},
  ISSN =	{2190-6807},
  year =	{2007},
  volume =	{6},
  editor =	{Rochange, Christine},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops-dev.dagstuhl.de/entities/document/10.4230/OASIcs.WCET.2007.1194},
  URN =		{urn:nbn:de:0030-drops-11946},
  doi =		{10.4230/OASIcs.WCET.2007.1194},
  annote =	{Keywords: WCET analysis, loop-bound analysis, program slicing, abstract interpretation, invariant analysis}
}
Document
Experiences from Industrial WCET Analysis Case Studies

Authors: Andreas Ermedahl, Jan Gustafsson, and Björn Lisper

Published in: OASIcs, Volume 1, 5th International Workshop on Worst-Case Execution Time Analysis (WCET'05) (2007)


Abstract
Static Worst-Case Execution Time (WCET) analysis is currently taking a step from research to industrial use. We present a summary of three case studies where static WCET analysis has been used to analyse production code for embedded real-time systems. The primary purpose has not been to test the accuracy of the obtained WCET estimates, but rather to investigate the practical and methodological difficulties that arise when applying current WCET analysis methods to these particular kind of systems. In particular, we have been interested in how laborintensive the analysis becomes, for instance by estimating the efforts to study the analysed code in detail, and measuring the number of manual annotations necessary to perform the analysis. From these observations, we draw some conclusions about what would be needed to turn static WCET analysis into a useful tool for embedded and real-time systems software development.

Cite as

Andreas Ermedahl, Jan Gustafsson, and Björn Lisper. Experiences from Industrial WCET Analysis Case Studies. In 5th International Workshop on Worst-Case Execution Time Analysis (WCET'05). Open Access Series in Informatics (OASIcs), Volume 1, pp. 25-28, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2007)


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@InProceedings{ermedahl_et_al:OASIcs.WCET.2005.811,
  author =	{Ermedahl, Andreas and Gustafsson, Jan and Lisper, Bj\"{o}rn},
  title =	{{Experiences from Industrial WCET Analysis Case Studies}},
  booktitle =	{5th International Workshop on Worst-Case Execution Time Analysis (WCET'05)},
  pages =	{25--28},
  series =	{Open Access Series in Informatics (OASIcs)},
  ISBN =	{978-3-939897-24-8},
  ISSN =	{2190-6807},
  year =	{2007},
  volume =	{1},
  editor =	{Wilhelm, Reinhard},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops-dev.dagstuhl.de/entities/document/10.4230/OASIcs.WCET.2005.811},
  URN =		{urn:nbn:de:0030-drops-8118},
  doi =		{10.4230/OASIcs.WCET.2005.811},
  annote =	{Keywords: }
}
Document
Using a WCET Analysis Tool in Real-Time Systems Education

Authors: Samuel Petersson, Andreas Ermedahl, Anders Pettersson, Daniel Sundmark, and Niklas Holsti

Published in: OASIcs, Volume 1, 5th International Workshop on Worst-Case Execution Time Analysis (WCET'05) (2007)


Abstract
To reach a more widespread use, WCET analysis tools need to be a standard part in the education of embedded systems developers. Many real-time courses in academia use Lego Mindstorms, an off-the-shelf kit of Lego bricks for building and controlling small prototype robots. We describe work on porting the Bound-T WCET analysis tool to the Lego Mindstorms microprocessor; the Renesas H8/3292. We believe that this work will make students, and indirectly the industry of tomorrow, aware of the benefits of WCET analysis tools. We also present the real-time laboratory framework in which this WCET analysis tool will be used. The framework has been developed with schedulability and timing predictability in mind, and is already used in a number of real-time courses given at M¨alardalen University in Sweden. The developed WCET tool and the real-time laboratory framework will be freely available for academic use.

Cite as

Samuel Petersson, Andreas Ermedahl, Anders Pettersson, Daniel Sundmark, and Niklas Holsti. Using a WCET Analysis Tool in Real-Time Systems Education. In 5th International Workshop on Worst-Case Execution Time Analysis (WCET'05). Open Access Series in Informatics (OASIcs), Volume 1, pp. 29-32, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2007)


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@InProceedings{petersson_et_al:OASIcs.WCET.2005.812,
  author =	{Petersson, Samuel and Ermedahl, Andreas and Pettersson, Anders and Sundmark, Daniel and Holsti, Niklas},
  title =	{{Using a WCET Analysis Tool in Real-Time Systems Education}},
  booktitle =	{5th International Workshop on Worst-Case Execution Time Analysis (WCET'05)},
  pages =	{29--32},
  series =	{Open Access Series in Informatics (OASIcs)},
  ISBN =	{978-3-939897-24-8},
  ISSN =	{2190-6807},
  year =	{2007},
  volume =	{1},
  editor =	{Wilhelm, Reinhard},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops-dev.dagstuhl.de/entities/document/10.4230/OASIcs.WCET.2005.812},
  URN =		{urn:nbn:de:0030-drops-8126},
  doi =		{10.4230/OASIcs.WCET.2005.812},
  annote =	{Keywords: }
}
Document
Algorithms for Infeasible Path Calculation

Authors: Jan Gustaffson, Andreas Ermedahl, and Björn Lisper

Published in: OASIcs, Volume 4, 6th International Workshop on Worst-Case Execution Time Analysis (WCET'06) (2006)


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. One key component in static WCET analysis is to derive flow information, such as loop bounds and infeasible paths for the analysed program. Such flow information can be provided as either as annotations by the user, can be automatically calculated by a flow analysis, or by a combination of both. To make the analysis as simple, automatic and safe as possible, this flow information should be calculated automatically with no or very limited user interaction. In this paper we present three novel algorithms to calculate infeasible paths. The algorithms are all designed to be simple and efficient, both in terms of generated flow facts and in analysis running time. The algorithms have been implemented and tested for a set of WCET benchmarks programs.

Cite as

Jan Gustaffson, Andreas Ermedahl, and Björn Lisper. Algorithms for Infeasible Path Calculation. In 6th International Workshop on Worst-Case Execution Time Analysis (WCET'06). Open Access Series in Informatics (OASIcs), Volume 4, pp. 1-6, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2006)


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@InProceedings{gustaffson_et_al:OASIcs.WCET.2006.667,
  author =	{Gustaffson, Jan and Ermedahl, Andreas and Lisper, Bj\"{o}rn},
  title =	{{Algorithms for Infeasible Path Calculation}},
  booktitle =	{6th International Workshop on Worst-Case Execution Time Analysis (WCET'06)},
  pages =	{1--6},
  series =	{Open Access Series in Informatics (OASIcs)},
  ISBN =	{978-3-939897-03-3},
  ISSN =	{2190-6807},
  year =	{2006},
  volume =	{4},
  editor =	{Mueller, Frank},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops-dev.dagstuhl.de/entities/document/10.4230/OASIcs.WCET.2006.667},
  URN =		{urn:nbn:de:0030-drops-6677},
  doi =		{10.4230/OASIcs.WCET.2006.667},
  annote =	{Keywords: Worst case execution time, real-time, control flow analysis, abstract interpretation, infeasible paths}
}
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