YES
Input TRS:
      1: 2(7(x1)) -> 1(8(x1))
      2: 2(8(1(x1))) -> 8(x1)
      3: 2(8(x1)) -> 4(x1)
      4: 5(9(x1)) -> 0(x1)
      5: 4(x1) -> 5(2(3(x1)))
      6: 5(3(x1)) -> 6(0(x1))
      7: 2(8(x1)) -> 7(x1)
      8: 4(7(x1)) -> 1(3(x1))
      9: 5(2(6(x1))) -> 6(2(4(x1)))
      10: 9(7(x1)) -> 7(5(x1))
      11: 7(2(x1)) -> 4(x1)
      12: 7(0(x1)) -> 9(3(x1))
      13: 6(9(x1)) -> 9(x1)
      14: 9(5(9(x1))) -> 5(7(x1))
      15: 4(x1) -> 9(6(6(x1)))
      16: 9(x1) -> 6(7(x1))
      17: 6(2(x1)) -> 7(7(x1))
      18: 2(4(x1)) -> 0(7(x1))
      19: 6(6(x1)) -> 3(x1)
      20: 0(3(x1)) -> 5(3(x1))
Number of strict rules: 20
Direct POLO(bPol) ... failed.
Uncurrying ... failed.
Dependency Pairs:
     #1: #5(3(x1)) -> #6(0(x1))
     #2: #5(3(x1)) -> #0(x1)
     #3: #5(2(6(x1))) -> #6(2(4(x1)))
     #4: #5(2(6(x1))) -> #2(4(x1))
     #5: #5(2(6(x1))) -> #4(x1)
     #6: #7(2(x1)) -> #4(x1)
     #7: #7(0(x1)) -> #9(3(x1))
     #8: #9(5(9(x1))) -> #5(7(x1))
     #9: #9(5(9(x1))) -> #7(x1)
     #10: #0(3(x1)) -> #5(3(x1))
     #11: #2(8(x1)) -> #7(x1)
     #12: #9(7(x1)) -> #7(5(x1))
     #13: #9(7(x1)) -> #5(x1)
     #14: #4(x1) -> #5(2(3(x1)))
     #15: #4(x1) -> #2(3(x1))
     #16: #6(2(x1)) -> #7(7(x1))
     #17: #6(2(x1)) -> #7(x1)
     #18: #9(x1) -> #6(7(x1))
     #19: #9(x1) -> #7(x1)
     #20: #2(8(x1)) -> #4(x1)
     #21: #4(x1) -> #9(6(6(x1)))
     #22: #4(x1) -> #6(6(x1))
     #23: #4(x1) -> #6(x1)
     #24: #5(9(x1)) -> #0(x1)
     #25: #2(4(x1)) -> #0(7(x1))
     #26: #2(4(x1)) -> #7(x1)
Number of SCCs: 2, DPs: 16
  SCC { #2 #10 }
POLO(Sum)... succeeded.
      7 	w: 0
      #0 	w: x1 + 1
      1 	w: 0
      4 	w: 0
      #7 	w: 0
      5 	w: 0
      3 	w: x1 + 2
      #6 	w: 0
      #2 	w: 0
      9 	w: 0
      8 	w: 0
      #4 	w: 0
      #9 	w: 0
      0 	w: 0
      #5 	w: x1
      2 	w: 0
      6 	w: 0
    USABLE RULES: { }
    Removed DPs: #2 #10
Number of SCCs: 1, DPs: 14
  SCC { #3..7 #9 #12 #13 #16 #17 #19 #21 #23 #26 }
POLO(Sum)... POLO(max)... QLPOS... POLO(mSum)... QWPOpS(mSum)... Mat2b... succeeded.
      7 	w: [0,0;0,1] * x1 + [27879;0]
      #0 	w: [0;0]
      1 	w: [0,0;0,1] * x1
      4 	w: [0,0;0,1] * x1 + [27879;0]
      #7 	w: [0,1;0,0] * x1 + [27878;27879]
      5 	w: [0,0;0,1] * x1 + [27879;0]
      3 	w: [0;0]
      #6 	w: [0,1;0,0] * x1 + [27878;27879]
      #2 	w: [1,1;1,0] * x1
      9 	w: [0,0;0,1] * x1 + [27879;0]
      8 	w: [0,0;0,1] * x1 + [1;1]
      #4 	w: [0,1;0,0] * x1 + [27878;27879]
      #9 	w: [0,1;0,0] * x1 + [27878;27879]
      0 	w: [27879;0]
      #5 	w: [0,1;0,0] * x1 + [27878;27879]
      2 	w: [0,1;1,1] * x1 + [27879;0]
      6 	w: [0,0;0,1] * x1 + [27879;0]
    USABLE RULES: { 1 4..6 8..20 }
    Removed DPs: #4 #5 #26
Number of SCCs: 1, DPs: 11
  SCC { #3 #6 #7 #9 #12 #13 #16 #17 #19 #21 #23 }
POLO(Sum)... POLO(max)... QLPOS... POLO(mSum)... QWPOpS(mSum)... Mat2b... succeeded.
      7 	w: [1,1;0,0] * x1
      #0 	w: [0;0]
      1 	w: [0,0;0,1] * x1
      4 	w: [1,0;0,0] * x1 + [1;0]
      #7 	w: [1,1;0,0] * x1 + [27877;27879]
      5 	w: [1,0;0,0] * x1 + [1;0]
      3 	w: [0;0]
      #6 	w: [1,0;0,0] * x1 + [27879;27879]
      #2 	w: [0;0]
      9 	w: [1,1;0,0] * x1 + [1;0]
      8 	w: [0,0;0,1] * x1 + [1;1]
      #4 	w: [1,0;0,0] * x1 + [27879;27879]
      #9 	w: [1,1;0,0] * x1 + [27878;27879]
      0 	w: [1;0]
      #5 	w: [0,1;0,0] * x1 + [178;27879]
      2 	w: [1,1;1,1] * x1 + [0;27703]
      6 	w: [1,0;0,0] * x1
    USABLE RULES: { 1 4..6 8..20 }
    Removed DPs: #3 #6 #9 #13 #16 #17 #19 #21
Number of SCCs: 0, DPs: 0