YES

This TRS is terminating using the additive interpretation 
c(delta3, X4) =  + 1*X4 + 2
s(delta2, X3) =  + 1*X3 + 1
a(delta1, X2) =  + 1*X2 + 0
f(delta0, X1, X0) =  + 1*X0 + 1*X1 + 3
c_tau_1(delta3) = 
s_tau_1(delta2) = 
a_tau_1(delta1) = 
f_tau_1(delta0) = 
f_tau_2(delta0) = 

Time: 0.001204 seconds
SUCCESS

Statistics:
Number of monomials: 10
Last formula building started for bound 3
Last SAT solving started for bound 3