/usr/include/ is in libcolpack-dev 1.0.9-3.
This file is owned by root:root, with mode 0o755.
..
/usr/include/ColPack/
/usr/include/ColPack/JacobianRecovery2D.h
/usr/include/ColPack/BipartiteGraphBicoloring.h
/usr/include/ColPack/mmio.h
/usr/include/ColPack/BipartiteGraphPartialColoring.h
/usr/include/ColPack/BipartiteGraphPartialColoringInterface.h
/usr/include/ColPack/BipartiteGraphOrdering.h
/usr/include/ColPack/JacobianRecovery1D.h
/usr/include/ColPack/extra.h
/usr/include/ColPack/GraphColoring.h
/usr/include/ColPack/command_line_parameter_processor.h
/usr/include/ColPack/GraphOrdering.h
/usr/include/ColPack/StringTokenizer.h
/usr/include/ColPack/File.h
/usr/include/ColPack/ColPackHeaders.h
/usr/include/ColPack/DisjointSets.h
/usr/include/ColPack/GraphColoringInterface.h
/usr/include/ColPack/BipartiteGraphBicoloringInterface.h
/usr/include/ColPack/Pause.h
/usr/include/ColPack/Definitions.h
/usr/include/ColPack/HessianRecovery.h
/usr/include/ColPack/stat.h
/usr/include/ColPack/GraphCore.h
/usr/include/ColPack/MatrixDeallocation.h
/usr/include/ColPack/Timer.h
/usr/include/ColPack/BipartiteGraphCore.h
/usr/include/ColPack/BipartiteGraphVertexCover.h
/usr/include/ColPack/CoutLock.h
/usr/include/ColPack/BipartiteGraphInputOutput.h
/usr/include/ColPack/RecoveryCore.h
/usr/include/ColPack/GraphInputOutput.h
/usr/include/ColPack/BipartiteGraphPartialOrdering.h
/usr/include/ColPack/current_time.h