ANSWER: possibly no

program sccs : 0
size answers : 190
pos answers : 0
size binary clauses : 740
pos binary clauses : 10
size calls : 40
pos calls : 0
size calls with binary clauses : 120
pos calls with binary clauses : 0
checking termination : 10

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

real	0m1.328s
user	0m1.180s
sys	0m0.020s