/usr/include/camitk-4.0/libraries/pml/ is in libcamitk-dev 4.0.4-2ubuntu4.
This file is owned by root:root, with mode 0o755.
..
/usr/include/camitk-4.0/libraries/pml/Atom.h
/usr/include/camitk-4.0/libraries/pml/AtomProperties.h
/usr/include/camitk-4.0/libraries/pml/Cell.h
/usr/include/camitk-4.0/libraries/pml/CellProperties.h
/usr/include/camitk-4.0/libraries/pml/Component.h
/usr/include/camitk-4.0/libraries/pml/MultiComponent.h
/usr/include/camitk-4.0/libraries/pml/PMLAbortException.h
/usr/include/camitk-4.0/libraries/pml/PMLTransform.h
/usr/include/camitk-4.0/libraries/pml/PhysicalModel.h
/usr/include/camitk-4.0/libraries/pml/PhysicalModelIO.h
/usr/include/camitk-4.0/libraries/pml/PhysicalModelVersion.h
/usr/include/camitk-4.0/libraries/pml/Properties.h
/usr/include/camitk-4.0/libraries/pml/RenderingMode.h
/usr/include/camitk-4.0/libraries/pml/StructuralComponent.h
/usr/include/camitk-4.0/libraries/pml/StructuralComponentProperties.h
/usr/include/camitk-4.0/libraries/pml/Structure.h
/usr/include/camitk-4.0/libraries/pml/StructureProperties.h
/usr/include/camitk-4.0/libraries/pmlschema/Atom.hxx
/usr/include/camitk-4.0/libraries/pmlschema/AtomProperties.hxx
/usr/include/camitk-4.0/libraries/pmlschema/AtomRef.hxx
/usr/include/camitk-4.0/libraries/pmlschema/Atoms.hxx
/usr/include/camitk-4.0/libraries/pmlschema/BasicStructuralComponent.hxx
/usr/include/camitk-4.0/libraries/pmlschema/Cell.hxx
/usr/include/camitk-4.0/libraries/pmlschema/CellProperties.hxx
/usr/include/camitk-4.0/libraries/pmlschema/Color.hxx
/usr/include/camitk-4.0/libraries/pmlschema/ColorComponent.hxx
/usr/include/camitk-4.0/libraries/pmlschema/ExclusiveComponent.hxx
/usr/include/camitk-4.0/libraries/pmlschema/GeometricType.hxx
/usr/include/camitk-4.0/libraries/pmlschema/InformativeComponent.hxx
/usr/include/camitk-4.0/libraries/pmlschema/MultiComponent.hxx
/usr/include/camitk-4.0/libraries/pmlschema/NrOfStructures.hxx
/usr/include/camitk-4.0/libraries/pmlschema/PhysicalModel.hxx
/usr/include/camitk-4.0/libraries/pmlschema/RenderingMode.hxx
/usr/include/camitk-4.0/libraries/pmlschema/StructuralComponent.hxx