This is BibTeX, Version 0.99dThe top-level auxiliary file: main.aux
The style file: IEEEtran.bst
Database file #1: bibliography.bib
-- IEEEtran.bst version 1.12 (2007/01/11) by Michael Shell.
-- http://www.michaelshell.org/tex/ieeetran/bibtex/
-- See the "IEEEtran_bst_HOWTO.pdf" manual for usage information.

Done.