ANSWER: possibly no

program sccs : 0
size answers : 120
pos answers : 0
size binary clauses : 160
pos binary clauses : 60
size calls : 10
pos calls : 0
size calls with binary clauses : 20
pos calls with binary clauses : 10
checking termination : 10

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

real	0m0.539s
user	0m0.444s
sys	0m0.004s