ANSWER: possibly no

program sccs : 0
size answers : 20
pos answers : 0
size binary clauses : 650
pos binary clauses : 0
size calls : 10
pos calls : 0
size calls with binary clauses : 50
pos calls with binary clauses : 0
checking termination : 0

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

real	0m1.007s
user	0m0.780s
sys	0m0.008s