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Published in:
2016 | OriginalPaper | Chapter
MU-CSeq 0.4: Individual Memory Location Unwindings
(Competition Contribution)
Authors : Ermenegildo Tomasco, Truc L. Nguyen, Omar Inverso, Bernd Fischer, Salvatore La Torre, Gennaro Parlato
Published in: Tools and Algorithms for the Construction and Analysis of Systems
Publisher: Springer Berlin Heidelberg
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Abstract
We present the MU-CSeq tool for the verification of multi-threaded C programs with dynamic thread creation, dynamic memory allocation, and pointer arithmetic. It is based on sequentializing the programs over the new notion of individual memory location unwinding (IMU). IMU is derived from the notion of memory unwinding that has been implemented in the previous versions of MU-CSeq. The main concepts of IMU are: (1) the use of multiple write sequences, one for each individual shared memory location that is effectively used in the executions and (2) the use of memory addresses rather than variable names in the operations on the shared memory, which requires a separate table to map write sequences but supports pointer arithmetic.