NDLI: Verifying periodic programs with priority inheritance locks

Content Provider	IEEE Xplore Digital Library
Author	Chaki, S. Gurfinkel, A. Strichman, O.
Copyright Year	2013
Description	Author affiliation: Technion - Israel Inst. of Technol., Haifa, Israel (Strichman, O.) \|\| Software Eng. Inst., USA (Chaki, S.; Gurfinkel, A.)
Abstract	Periodic real-time programs are ubiquitous: they control robots, radars, medical equipment, etc. They consist of a set of tasks, each of which executes (in a separate thread) a specific job, periodically. A common synchronization mechanism for such programs is via Priority Inheritance Protocol (PIP) locks. PIP locks have low programming overhead, but cause deadlocks if used incorrectly. We address the problem of verifying safety and deadlock freedom of such programs. Our approach is based on sequentialization - converting the periodic program to an equivalent (non-deterministic) sequential program, and verifying it with a model checker. Our algorithm, called pipVerif, is iterative and optimal - it terminates after sequentializing with the smallest number of rounds required to either find a counterexample, or prove the program safe and deadlock-free. We implemented pipVerif and validated it on a number of examples derived from a robot controller.
Starting Page	137
Ending Page	144
File Size	189075
Page Count	8
File Format	PDF
ISBN	9780983567837
DOI	10.1109/FMCAD.2013.6679402
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-10-20
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	FMCAD Inc.
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
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9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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