/usr/share/vtk/ParallelProcessing/Generic/Cxx/ is in vtk-examples 5.8.0-5.
This file is owned by root:root, with mode 0o755.
..
/usr/share/vtk/ParallelProcessing/Generic/Cxx/CMakeLists.txt
/usr/share/vtk/ParallelProcessing/Generic/Cxx/ParallelIso.cxx
/usr/share/vtk/ParallelProcessing/Generic/Cxx/PipelineParallelism.cxx
/usr/share/vtk/ParallelProcessing/Generic/Cxx/PipelineParallelism.h
/usr/share/vtk/ParallelProcessing/Generic/Cxx/TaskParallelism.cxx
/usr/share/vtk/ParallelProcessing/Generic/Cxx/TaskParallelism.h
/usr/share/vtk/ParallelProcessing/Generic/Cxx/TaskParallelismWithPorts.cxx
/usr/share/vtk/ParallelProcessing/Generic/Cxx/TaskParallelismWithPorts.h
/usr/share/vtk/ParallelProcessing/Generic/Cxx/pipe1.cxx
/usr/share/vtk/ParallelProcessing/Generic/Cxx/pipe2.cxx
/usr/share/vtk/ParallelProcessing/Generic/Cxx/task1.cxx
/usr/share/vtk/ParallelProcessing/Generic/Cxx/task2.cxx
/usr/share/vtk/ParallelProcessing/Generic/Cxx/task3.cxx
/usr/share/vtk/ParallelProcessing/Generic/Cxx/task4.cxx