This is pdfTeX, Version 3.1415926-2.4-1.40.13 (TeX Live 2012/Debian) (format=pdflatex 2013.1.16) 17 FEB 2013 23:21 entering extended mode restricted \write18 enabled. %&-line parsing enabled. **ConfIntervals-lecture.tex ! Emergency stop. <*> ConfIntervals-lecture.tex End of file on the terminal! Here is how much of TeX's memory you used: 3 strings out of 495059 122 string characters out of 3182030 45057 words of memory out of 3000000 3288 multiletter control sequences out of 15000+200000 3640 words of font info for 14 fonts, out of 3000000 for 9000 14 hyphenation exceptions out of 8191 0i,0n,0p,28b,6s stack positions out of 5000i,500n,10000p,200000b,50000s ! ==> Fatal error occurred, no output PDF file produced!