ANSWER: yes

program sccs : 0
size answers : 110
pos answers : 0
size binary clauses : 50
pos binary clauses : 0
size calls : 20
pos calls : 0
size calls with binary clauses : 20
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	0m0.289s
user	0m0.240s
sys	0m0.012s