This is BibTeX, Version 0.99d (TeX Live 2012/Debian)
Capacity: max_strings=35307, hash_size=35307, hash_prime=30011
The top-level auxiliary file: article.aux
The style file: ACM-Reference-Format-Journals.bst
Reallocated singl_function (elt_size=4) to 100 items from 50.
Reallocated wiz_functions (elt_size=4) to 6000 items from 3000.
Database file #1: biblio.bib
Reallocated singl_function (elt_size=4) to 100 items from 50.
Warning--empty publisher in berman04
Warning--empty address in berman04
Warning--empty publisher in cardei2005energy
Warning--empty address in cardei2005energy
Warning--no number and no volume in castano2013column
Warning--page numbers missing in both pages and numpages fields in castano2013column
Warning--page numbers missing in both pages and numpages fields in Deng2012
Warning--empty address in AMPL
Warning--empty publisher in idrees2014coverage
Warning--empty address in idrees2014coverage
Warning--empty publisher in jaggi2006
Warning--empty address in jaggi2006
Warning--page numbers missing in both pages and numpages fields in jaggi2006
Warning--empty publisher in kim2013maximum
Warning--empty address in kim2013maximum
Warning--page numbers missing in both pages and numpages fields in li2013survey
Warning--empty publisher in ling2009energy
Warning--empty address in ling2009energy
Warning--no number and no volume in glpk
Warning--page numbers missing in both pages and numpages fields in glpk
Warning--page numbers missing in both pages and numpages fields in pujari2011high
Warning--empty publisher in qu2013distributed
Warning--empty address in qu2013distributed
Warning--empty address in Tian02
Warning--no number and no volume in varga
Warning--page numbers missing in both pages and numpages fields in varga
Warning--empty publisher in 5714480
Warning--empty address in 5714480
Warning--empty publisher in xu2001geography
Warning--empty address in xu2001geography
Warning--empty publisher in yangnovel
Warning--empty address in yangnovel
Warning--page numbers missing in both pages and numpages fields in Zhang05
You've used 42 entries,
            5290 wiz_defined-function locations,
            1471 strings with 22135 characters,
and the built_in function-call counts, 44854 in all, are:
= -- 6480
> -- 1684
< -- 2
+ -- 531
- -- 665
* -- 2763
:= -- 4742
add.period$ -- 212
call.type$ -- 42
change.case$ -- 280
chr.to.int$ -- 39
cite$ -- 75
duplicate$ -- 3498
empty$ -- 2492
format.name$ -- 733
if$ -- 11362
int.to.chr$ -- 4
int.to.str$ -- 0
missing$ -- 169
newline$ -- 372
num.names$ -- 333
pop$ -- 1322
preamble$ -- 1
purify$ -- 486
quote$ -- 0
skip$ -- 1037
stack$ -- 0
substring$ -- 3322
swap$ -- 365
text.length$ -- 149
text.prefix$ -- 0
top$ -- 0
type$ -- 582
warning$ -- 33
while$ -- 329
width$ -- 0
write$ -- 750
(There were 33 warnings)