perhaps it will be clearer
You didn't say what the command
lilypond --verbose lily.ly
prints out, so it's hard to give any better answer.
GNU LilyPond 2.4.2
LILYPOND_DATADIR="/usr/share/lilypond"
LOCAL_LILYPOND_DATADIR="/usr/share/lilypond/2.4.2"
LOCALEDIR="/usr/share/locale"
LILYPONDPREFIX=""
[/usr/share/lilypond/2.4.2/scm/lily-library.scm][/usr/share/lilypond/2.4.2/scm/d
efine-music-types.scm][/usr/share/lilypond/2.4.2/scm/output-lib.scm][/usr/share/
lilypond/2.4.2/scm/c++.scm][/usr/share/lilypond/2.4.2/scm/chord-ignatzek-names.s
cm][/usr/share/lilypond/2.4.2/scm/chord-entry.scm][/usr/share/lilypond/2.4.2/scm
/chord-generic-names.scm][/usr/share/lilypond/2.4.2/scm/stencil.scm][/usr/share/
lilypond/2.4.2/scm/new-markup.scm][/usr/share/lilypond/2.4.2/scm/bass-figure.scm
][/usr/share/lilypond/2.4.2/scm/music-functions.scm][/usr/share/lilypond/2.4.2/s
cm/part-combiner.scm][/usr/share/lilypond/2.4.2/scm/define-music-properties.scm]
[/usr/share/lilypond/2.4.2/scm/auto-beam.scm][/usr/share/lilypond/2.4.2/scm/chor
d-name.scm][/usr/share/lilypond/2.4.2/scm/ly-from-scheme.scm][/usr/share/lilypon
d/2.4.2/scm/define-context-properties.scm][/usr/share/lilypond/2.4.2/scm/transla
tion-functions.scm][/usr/share/lilypond/2.4.2/scm/script.scm][/usr/share/lilypon
d/2.4.2/scm/midi.scm][/usr/share/lilypond/2.4.2/scm/beam.scm][/usr/share/lilypon
d/2.4.2/scm/clef.scm][/usr/share/lilypond/2.4.2/scm/slur.scm][/usr/share/lilypon
d/2.4.2/scm/font.scm][/usr/share/lilypond/2.4.2/scm/encoding.scm][/usr/share/lil
ypond/2.4.2/scm/fret-diagrams.scm][/usr/share/lilypond/2.4.2/scm/define-markup-c
ommands.scm][/usr/share/lilypond/2.4.2/scm/define-grob-properties.scm][/usr/shar
e/lilypond/2.4.2/scm/define-grobs.scm][/usr/share/lilypond/2.4.2/scm/define-grob
-interfaces.scm][/usr/share/lilypond/2.4.2/scm/page-layout.scm][/usr/share/lilyp
ond/2.4.2/scm/titling.scm][/usr/share/lilypond/2.4.2/scm/paper.scm][/usr/share/l
ilypond/2.4.2/scm/safe-lily.scm]Processing `lily.ly'
Parsing...
[/usr/share/lilypond/2.4.2/ly/init.ly[/usr/share/lilypond/2.4.2/ly/declarations-
init.ly[/usr/share/lilypond/2.4.2/ly/music-functions-init.ly][/usr/share/lilypon
d/2.4.2/ly/nederlands.ly][/usr/share/lilypond/2.4.2/ly/drumpitch-init.ly][/usr/s
hare/lilypond/2.4.2/ly/chord-modifiers-init.ly][/usr/share/lilypond/2.4.2/ly/scr
ipt-init.ly][/usr/share/lilypond/2.4.2/ly/scale-definitions-init.ly][/usr/share/
lilypond/2.4.2/ly/grace-init.ly][/usr/share/lilypond/2.4.2/ly/midi-init.ly[/usr/
share/lilypond/2.4.2/ly/performer-init.ly]][/usr/share/lilypond/2.4.2/ly/paper-d
efaults.ly][/usr/share/lilypond/2.4.2/ly/engraver-init.ly][/usr/share/lilypond/2
.4.2/ly/dynamic-scripts-init.ly][/usr/share/lilypond/2.4.2/ly/spanners-init.ly][
/usr/share/lilypond/2.4.2/ly/property-init.ly]][lily.ly]Interpreting
music... [/
usr/share/lilypond/2.4.2/fonts/afm/feta20.afm][/usr/share/lilypond/2.4.2/fonts/t
fm/feta20.tfm[/usr/share/lilypond/2.4.2/ps/feta20.enc]][2]elapsed time:
0.21 sec
onds
Element count 120 (spanners 7) Preprocessing graphical objects... Grob
count 176
[/usr/share/lilypond/2.4.2/fonts/afm/feta11.afm][/usr/share/lilypond/2.4.2/fonts
/tfm/feta11.tfm][/usr/share/lilypond/2.4.2/fonts/afm/parmesan11.afm][/usr/share/
lilypond/2.4.2/fonts/tfm/parmesan11.tfm[/usr/share/lilypond/2.4.2/ps/parmesan20.
enc]][/usr/share/lilypond/2.4.2/fonts/afm/feta13.afm][/usr/share/lilypond/2.4.2/
fonts/tfm/feta13.tfm][/usr/share/lilypond/2.4.2/fonts/afm/parmesan13.afm][/usr/s
hare/lilypond/2.4.2/fonts/tfm/parmesan13.tfm][/usr/share/lilypond/2.4.2/fonts/af
m/feta14.afm][/usr/share/lilypond/2.4.2/fonts/tfm/feta14.tfm][/usr/share/lilypon
d/2.4.2/fonts/afm/parmesan14.afm][/usr/share/lilypond/2.4.2/fonts/tfm/parmesan14
.tfm][/usr/share/lilypond/2.4.2/fonts/afm/feta16.afm][/usr/share/lilypond/2.4.2/
fonts/tfm/feta16.tfm][/usr/share/lilypond/2.4.2/fonts/afm/parmesan16.afm][/usr/s
hare/lilypond/2.4.2/fonts/tfm/parmesan16.tfm][/usr/share/lilypond/2.4.2/fonts/af
m/feta18.afm][/usr/share/lilypond/2.4.2/fonts/tfm/feta18.tfm][/usr/share/lilypon
d/2.4.2/fonts/afm/parmesan18.afm][/usr/share/lilypond/2.4.2/fonts/tfm/parmesan18
.tfm][/usr/share/lilypond/2.4.2/fonts/afm/parmesan20.afm][/usr/share/lilypond/2.
4.2/fonts/tfm/parmesan20.tfm][/usr/share/lilypond/2.4.2/fonts/afm/feta23.afm][/u
sr/share/lilypond/2.4.2/fonts/tfm/feta23.tfm][/usr/share/lilypond/2.4.2/fonts/af
m/parmesan23.afm][/usr/share/lilypond/2.4.2/fonts/tfm/parmesan23.tfm]
Calculating line breaks... Global shortest duration is 3/16
[/usr/share/lilypond/2.4.2/fonts/afm/feta-nummer4.afm][/usr/share/lilypond/2.4.2
/fonts/tfm/feta-nummer4.tfm[/usr/share/lilypond/2.4.2/ps/feta-nummer10.enc]][/us
r/share/lilypond/2.4.2/fonts/afm/feta-nummer6.afm][/usr/share/lilypond/2.4.2/fon
ts/tfm/feta-nummer6.tfm][/usr/share/lilypond/2.4.2/fonts/afm/feta-nummer8.afm][/
usr/share/lilypond/2.4.2/fonts/tfm/feta-nummer8.tfm][/usr/share/lilypond/2.4.2/t
ex/latin1.enc]
Optimal demerits: 0.000000
Element count
91.[0][/usr/share/texmf/fonts/tfm/public/ec-fonts-mftraced/ecbx6.t
fm[/usr/share/texmf/dvips/base/tex256.enc]][/usr/share/texmf/fonts/tfm/public/ec
-fonts-mftraced/ecbx8.tfm][/usr/share/texmf/fonts/tfm/public/ec-fonts-mftraced/e
cbx10.tfm][/usr/share/texmf/fonts/tfm/public/ec-fonts-mftraced/ecbx12.tfm][/usr/
share/texmf/fonts/tfm/public/ec-fonts-mftraced/ecrm6.tfm][/usr/share/texmf/fonts
/tfm/public/ec-fonts-mftraced/ecrm8.tfm][/usr/share/texmf/fonts/tfm/public/ec-fo
nts-mftraced/ecrm10.tfm][/usr/share/texmf/fonts/tfm/public/ec-fonts-mftraced/ecr
m17.tfm][/usr/share/texmf/fonts/tfm/public/ec-fonts-mftraced/eccc10.tfm]Layout
o
utput to `lily.tex'...
]