/usr/include/libGIFTAcInvertedFile/ is in libgnuift0-dev 0.1.14+ds-1ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/include/libGIFTAcInvertedFile/include/
/usr/include/libGIFTAcInvertedFile/include/CADIHash.h
/usr/include/libGIFTAcInvertedFile/include/CAFIFMySQL.h
/usr/include/libGIFTAcInvertedFile/include/CAFInvertedFile.h
/usr/include/libGIFTAcInvertedFile/include/CAFSpecialised.h
/usr/include/libGIFTAcInvertedFile/include/CAcIFFileSystem.h
/usr/include/libGIFTAcInvertedFile/include/CAcIFMySQL.h
/usr/include/libGIFTAcInvertedFile/include/CAcInvertedFile.h
/usr/include/libGIFTAcInvertedFile/include/CAcInvertedFileAbstraction.h
/usr/include/libGIFTAcInvertedFile/include/CAcSQLInvertedFile.h
/usr/include/libGIFTAcInvertedFile/include/CAdditionalDocumentInformation.h
/usr/include/libGIFTAcInvertedFile/include/CBitSetCollection.h
/usr/include/libGIFTAcInvertedFile/include/CComparisonResults.h
/usr/include/libGIFTAcInvertedFile/include/CDocumentFrequencyElement.h
/usr/include/libGIFTAcInvertedFile/include/CDocumentFrequencyHash.h
/usr/include/libGIFTAcInvertedFile/include/CDocumentFrequencyList.h
/usr/include/libGIFTAcInvertedFile/include/CIFBuilderTriplet.h
/usr/include/libGIFTAcInvertedFile/include/CIFListStart.h
/usr/include/libGIFTAcInvertedFile/include/CInitializedDouble.h
/usr/include/libGIFTAcInvertedFile/include/CInvertedFileChunk.h
/usr/include/libGIFTAcInvertedFile/include/WeightingFunctionsAndNormalizers.h
/usr/include/libGIFTAcInvertedFile/include/gift_features.h
/usr/include/libGIFTAcInvertedFile/include/map_to_list.h
/usr/include/libGIFTAcInvertedFile/include/merge_sort_streams.h
/usr/include/libGIFTAcInvertedFile/include/uses-declarations.h