YES

This TRS is terminating using the deltarestricted interpretation 
0(delta6) =  + 3 + 0*delta6
plus(delta5, X9, X8) =  + 1*X8 + 1*X9 + 0 + 3*X8*delta5 + 0*X9*delta5 + 0*delta5
s(delta4, X7) =  + 1*X7 + 3 + 0*X7*delta4 + 0*delta4
U11(delta3, X6, X5, X4) =  + 1*X4 + 1*X5 + 1*X6 + 3 + 0*X4*delta3 + 3*X5*delta3 + 0*X6*delta3 + 3*delta3
activate(delta2, X3) =  + 1*X3 + 0 + 0*X3*delta2 + 1*delta2
tt(delta1) =  + 0 + 3*delta1
U12(delta0, X2, X1, X0) =  + 1*X0 + 1*X1 + 1*X2 + 3 + 0*X0*delta0 + 3*X1*delta0 + 0*X2*delta0 + 0*delta0
plus_tau_1(delta5) =  + 1(delta5/(1 + 0 * delta5))
plus_tau_2(delta5) =  + 1(delta5/(1 + 3 * delta5))
s_tau_1(delta4) =  + 1(delta4/(1 + 0 * delta4))
U11_tau_1(delta3) =  + 1(delta3/(1 + 0 * delta3))
U11_tau_2(delta3) =  + 1(delta3/(1 + 3 * delta3))
U11_tau_3(delta3) =  + 1(delta3/(1 + 0 * delta3))
activate_tau_1(delta2) =  + 1(delta2/(1 + 0 * delta2))
U12_tau_1(delta0) =  + 1(delta0/(1 + 0 * delta0))
U12_tau_2(delta0) =  + 1(delta0/(1 + 3 * delta0))
U12_tau_3(delta0) =  + 1(delta0/(1 + 0 * delta0))

Time: 10.711950 seconds
SUCCESS

Statistics:
Number of monomials: 1072
Last formula building started for bound 3
Last SAT solving started for bound 3