\documentclass[11pt]{article}
\usepackage[dvips]{graphicx}
\usepackage{fontspec}
\usepackage{listings}
\usepackage{color}
%\usepackage[BoldFont,SlantFont,CJKchecksingle]{xeCJK}
\usepackage{amsmath}
\begin{document}
foo\\

\includegraphics{sequence.1}
\end{document}
