This is MetaPost, version 1.504 (kpathsea version 6.1.0dev) 16 MAY 2012 17:07 **multihiggs (mpost.mp (/usr/share/texlive/texmf-dist/metapost/base/plain.mp Preloading the plain mem file, version 1.004)) (./multihiggs.mp (/usr/share/texmf/metapost/feynmf/feynmp.mp) [1] ) Here is how much of MetaPost's memory you used: 426 strings using 6821 characters 728968 bytes of node memory 914 symbolic tokens 14i,71n,28p,108b,3f stack positions out of 16i,84n,32p,200b,4f 1 output file written: multihiggs.1