the source package have only .zip file format and a invalid version number

unzip Cain-1_9.zip
cd Cain
# remove superfluous files and directories
rm -rf ../__MACOSX
find . -iname .DS_Store -exec rm -f {} +
find . -iname .scons* -exec rm -f {} +
# clean the solvers directory
rm -f solvers/*
# remove third-party files
rm -rf src/third-party/*
tar cvzf ../cain_1.9.orig.tar.gz .
cd ..
rm -rf Cain/
