/usr/include/libevocosm/ is in libevocosm-dev 4.0.2-3ubuntu2.
This file is owned by root:root, with mode 0o755.
..
/usr/include/libevocosm/analyzer.h
/usr/include/libevocosm/evocommon.h
/usr/include/libevocosm/evocosm.h
/usr/include/libevocosm/evoreal.h
/usr/include/libevocosm/function_optimizer.h
/usr/include/libevocosm/fuzzy_machine.h
/usr/include/libevocosm/landscape.h
/usr/include/libevocosm/listener.h
/usr/include/libevocosm/machine_tools.h
/usr/include/libevocosm/mutator.h
/usr/include/libevocosm/organism.h
/usr/include/libevocosm/reproducer.h
/usr/include/libevocosm/roulette.h
/usr/include/libevocosm/scaler.h
/usr/include/libevocosm/selector.h
/usr/include/libevocosm/simple_machine.h
/usr/include/libevocosm/state_machine.h
/usr/include/libevocosm/stats.h
/usr/include/libevocosm/validator.h