handle Nitpick's nonstandard model enumeration in a cleaner way;
and renumber the atoms so that we get more often a_1 and a_2
and less often a_{n-1} and a_{n-2} in counterexamples
syntax: glob
*~
*.class
*.jar
.DS_Store
syntax: regexp
^contrib
^heaps/
^browser_info/
^doc-src/.*\.aux
^doc-src/.*\.bbl
^doc-src/.*\.blg
^doc-src/.*\.dvi
^doc-src/.*\.idx
^doc-src/.*\.ind
^doc-src/.*\.lof
^doc-src/.*\.log
^doc-src/.*\.out
^doc-src/.*\.rai
^doc-src/.*\.rao
^doc-src/.*\.toc
^src/Tools/jEdit/nbproject/private/
^src/Tools/jEdit/build/
^src/Tools/jEdit/dist/
^src/Tools/jEdit/contrib/