This is pdfTeX, Version 3.1415926-2.3-1.40.12 (TeX Live 2011) (format=pdflatex 2011.7.3)  12 SEP 2011 19:42
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 \write18 enabled.
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**abstract.tex
(./abstract.tex
LaTeX2e <2009/09/24>
Babel <v3.8l> and hyphenation patterns for english, dumylang, nohyphenation, ge
rman-x-2009-06-19, ngerman-x-2009-06-19, afrikaans, ancientgreek, ibycus, arabi
c, armenian, basque, bulgarian, catalan, pinyin, coptic, croatian, czech, danis
h, dutch, ukenglish, usenglishmax, esperanto, estonian, ethiopic, farsi, finnis
h, french, galician, german, ngerman, swissgerman, monogreek, greek, hungarian,
 icelandic, assamese, bengali, gujarati, hindi, kannada, malayalam, marathi, or
iya, panjabi, tamil, telugu, indonesian, interlingua, irish, italian, kurmanji,
 lao, latin, latvian, lithuanian, mongolian, mongolianlmc, bokmal, nynorsk, pol
ish, portuguese, romanian, russian, sanskrit, serbian, serbianc, slovak, sloven
ian, spanish, swedish, turkish, turkmen, ukrainian, uppersorbian, welsh, loaded
.

./abstract.tex:1: LaTeX Error: Environment abstract undefined.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
                                                  
l.1 \begin{abstract}
                    
? 
./abstract.tex:1: Emergency stop.
 ...                                              
                                                  
l.1 \begin{abstract}
                    
Your command was ignored.
Type  I <command> <return>  to replace it with another command,
or  <return>  to continue without it.

 
Here is how much of TeX's memory you used:
 7 strings out of 493633
 277 string characters out of 3143378
 49245 words of memory out of 3000000
 3406 multiletter control sequences out of 15000+200000
 3640 words of font info for 14 fonts, out of 3000000 for 9000
 831 hyphenation exceptions out of 8191
 5i,0n,4p,40b,16s stack positions out of 5000i,500n,10000p,200000b,50000s
./abstract.tex:1:  ==> Fatal error occurred, no output PDF file produced!
