ANSWER: possibly no

program sccs : 0
size answers : 170
pos answers : 0
size binary clauses : 7060
pos binary clauses : 10
size calls : 170
pos calls : 0
size calls with binary clauses : 370
pos calls with binary clauses : 0
checking termination : 0

% restoring /usr/local/bin/twshell.bin...
% /usr/local/bin/twshell.bin restored in 20 msec 1843128 bytes

real	0m7.899s
user	0m7.848s
sys	0m0.008s