usage: java kr.ac.snu.selab.soot.Main [OPTIONS] project
 -a,--analyzer <r|c|ct|cx|pfc|sta>   Analyzer
                             Predefined anlayzers:
                             r: Role analyzer
                             c: Code analyzer
                             ct: Call graph text creater
                             cx: Call graph xml creater
                             pfc: Path from caller
                             sta: State pattern recovery
 -pf,--pfile <arg>           Project file