Concurrency Tool Comparison

Model Description

A race condition in the model.

Classes: 6

SLOC: 103

Parameters: (gc, wc, envFirst?)

Summary Results Table

raxextended (2,3)
Tool Trials (successful) Time Transition (paths) Max Depth (error depth)
JPF “Randomized DFS” 100 (100) 1.00 2.42s 9488.65 (0.00) 285.73 (277.29)
JPF Stateless Random Walk 10127 (1288) 0.13 NA NA (NA) NA (NA)
raxextended (4,3)
Tool Trials (successful) Time Transition (paths) Max Depth (error depth)
JPF “Randomized DFS” 100 (100) 1.00 48.26s 615352.88 (0.00) 829.48 (802.28)

Java Pathfinder

Stateless Random Walk

Parameters Path Error Density
2,3 0.128
  • 100 randomized depth-first search trial, where each trial is time-bounded at

one hour. A total of 100 computation hours dedicated in discovering the error.

  • 2 MB of RAM allocated on each machine
  • The Error Discovering Trials is the number of trials that discovered an error

among the initially launched trials (100).

Parameters Trials (successful) Time Transition (paths) Max Depth (error depth) abs time (ms) rel. time (ms) search depth errorDepth new states revisited states end states backtracks processed states restored states total memory (kB) max total memory free memory (kB) heap objects max heap objects
(2,3) 100 (100) 100.00% 2.42s 9488.65 (0.00) 285.73 (277.29) 2416.94 2316.94 285.73 277.29 1782.51 7706.14 0.00 9210.36 1504.67 0.00 31459.84 6990528.00 1305.71 196.39 196.39
(4,3) 100 (100) 100.00% 48.26s 615352.88 (0.00) 829.48 (802.28) 48262.50 4461.25 829.48 802.28 64984.05 550368.83 0.00 614549.60 64181.20 0.00 275468.16 6990528.00 114670.13 213.99 214.29
vv-lab/raxextended.txt · Last modified: 2015/02/18 22:58 by egm
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