YES TRS: {p(p(b(a(x0)), x1), p(x2, x3)) -> p(p(b(x2), a(a(b(x1)))), p(x3, x0))} DP: Strict: {p#(p(b(a(x0)), x1), p(x2, x3)) -> p#(x3, x0), p#(p(b(a(x0)), x1), p(x2, x3)) -> p#(p(b(x2), a(a(b(x1)))), p(x3, x0)), p#(p(b(a(x0)), x1), p(x2, x3)) -> p#(b(x2), a(a(b(x1))))} Weak: {p(p(b(a(x0)), x1), p(x2, x3)) -> p(p(b(x2), a(a(b(x1)))), p(x3, x0))} EDG: {(p#(p(b(a(x0)), x1), p(x2, x3)) -> p#(p(b(x2), a(a(b(x1)))), p(x3, x0)), p#(p(b(a(x0)), x1), p(x2, x3)) -> p#(b(x2), a(a(b(x1))))) (p#(p(b(a(x0)), x1), p(x2, x3)) -> p#(p(b(x2), a(a(b(x1)))), p(x3, x0)), p#(p(b(a(x0)), x1), p(x2, x3)) -> p#(p(b(x2), a(a(b(x1)))), p(x3, x0))) (p#(p(b(a(x0)), x1), p(x2, x3)) -> p#(p(b(x2), a(a(b(x1)))), p(x3, x0)), p#(p(b(a(x0)), x1), p(x2, x3)) -> p#(x3, x0)) (p#(p(b(a(x0)), x1), p(x2, x3)) -> p#(x3, x0), p#(p(b(a(x0)), x1), p(x2, x3)) -> p#(x3, x0)) (p#(p(b(a(x0)), x1), p(x2, x3)) -> p#(x3, x0), p#(p(b(a(x0)), x1), p(x2, x3)) -> p#(p(b(x2), a(a(b(x1)))), p(x3, x0))) (p#(p(b(a(x0)), x1), p(x2, x3)) -> p#(x3, x0), p#(p(b(a(x0)), x1), p(x2, x3)) -> p#(b(x2), a(a(b(x1)))))} SCCS: Scc: {p#(p(b(a(x0)), x1), p(x2, x3)) -> p#(x3, x0), p#(p(b(a(x0)), x1), p(x2, x3)) -> p#(p(b(x2), a(a(b(x1)))), p(x3, x0))} SCC: Strict: {p#(p(b(a(x0)), x1), p(x2, x3)) -> p#(x3, x0), p#(p(b(a(x0)), x1), p(x2, x3)) -> p#(p(b(x2), a(a(b(x1)))), p(x3, x0))} Weak: {p(p(b(a(x0)), x1), p(x2, x3)) -> p(p(b(x2), a(a(b(x1)))), p(x3, x0))} POLY: Argument Filtering: pi(a) = 0, pi(b) = 0, pi(p#) = [0,1], pi(p) = [0,1] Usable Rules: {} Interpretation: [p#](x0, x1) = x0 + x1 + 1, [p](x0, x1) = x0 + x1 + 1 Strict: {p#(p(b(a(x0)), x1), p(x2, x3)) -> p#(p(b(x2), a(a(b(x1)))), p(x3, x0))} Weak: {p(p(b(a(x0)), x1), p(x2, x3)) -> p(p(b(x2), a(a(b(x1)))), p(x3, x0))} EDG: {(p#(p(b(a(x0)), x1), p(x2, x3)) -> p#(p(b(x2), a(a(b(x1)))), p(x3, x0)), p#(p(b(a(x0)), x1), p(x2, x3)) -> p#(p(b(x2), a(a(b(x1)))), p(x3, x0)))} SCCS: Scc: {p#(p(b(a(x0)), x1), p(x2, x3)) -> p#(p(b(x2), a(a(b(x1)))), p(x3, x0))} SCC: Strict: {p#(p(b(a(x0)), x1), p(x2, x3)) -> p#(p(b(x2), a(a(b(x1)))), p(x3, x0))} Weak: {p(p(b(a(x0)), x1), p(x2, x3)) -> p(p(b(x2), a(a(b(x1)))), p(x3, x0))} UR: {p(p(b(a(x0)), x1), p(x2, x3)) -> p(p(b(x2), a(a(b(x1)))), p(x3, x0))} BOUND: Bound: match(-raise)-DP-bounded by 0 Automaton: { c_0() -> 2* a_0(5) -> 6* a_0(4) -> 5* b_0(8) -> 3* b_0(7) -> 3* b_0(6) -> 4* b_0(2) -> 4 | 3 p#_0(7, 8) -> 1* p_0(8, 2) -> 8* p_0(7, 8) -> 8* p_0(3, 6) -> 7* p_0(2, 2) -> 8*} Strict: {} Qed