ANSWER: yes

program sccs : 0
size answers : 20
pos answers : 0
size binary clauses : 1000
pos binary clauses : 0
size calls : 60
pos calls : 0
size calls with binary clauses : 240
pos calls with binary clauses : 0
checking termination : 10

% restoring /usr/local/bin/twshell.bin...
% /usr/local/bin/twshell.bin restored in 10 msec 1843128 bytes

real	0m1.466s
user	0m1.356s
sys	0m0.024s