Input TRS: 1: a____(__(X,Y),Z) -> a____(mark(X),a____(mark(Y),mark(Z))) 2: a____(X,nil()) -> mark(X) 3: a____(nil(),X) -> mark(X) 4: a__U11(tt()) -> tt() 5: a__U21(tt(),V2) -> a__U22(a__isList(V2)) 6: a__U22(tt()) -> tt() 7: a__U31(tt()) -> tt() 8: a__U41(tt(),V2) -> a__U42(a__isNeList(V2)) 9: a__U42(tt()) -> tt() 10: a__U51(tt(),V2) -> a__U52(a__isList(V2)) 11: a__U52(tt()) -> tt() 12: a__U61(tt()) -> tt() 13: a__U71(tt(),P) -> a__U72(a__isPal(P)) 14: a__U72(tt()) -> tt() 15: a__U81(tt()) -> tt() 16: a__isList(V) -> a__U11(a__isNeList(V)) 17: a__isList(nil()) -> tt() 18: a__isList(__(V1,V2)) -> a__U21(a__isList(V1),V2) 19: a__isNeList(V) -> a__U31(a__isQid(V)) 20: a__isNeList(__(V1,V2)) -> a__U41(a__isList(V1),V2) 21: a__isNeList(__(V1,V2)) -> a__U51(a__isNeList(V1),V2) 22: a__isNePal(V) -> a__U61(a__isQid(V)) 23: a__isNePal(__(I,__(P,I))) -> a__U71(a__isQid(I),P) 24: a__isPal(V) -> a__U81(a__isNePal(V)) 25: a__isPal(nil()) -> tt() 26: a__isQid(a()) -> tt() 27: a__isQid(e()) -> tt() 28: a__isQid(i()) -> tt() 29: a__isQid(o()) -> tt() 30: a__isQid(u()) -> tt() 31: mark(__(X1,X2)) -> a____(mark(X1),mark(X2)) 32: mark(U11(X)) -> a__U11(mark(X)) 33: mark(U21(X1,X2)) -> a__U21(mark(X1),X2) 34: mark(U22(X)) -> a__U22(mark(X)) 35: mark(isList(X)) -> a__isList(X) 36: mark(U31(X)) -> a__U31(mark(X)) 37: mark(U41(X1,X2)) -> a__U41(mark(X1),X2) 38: mark(U42(X)) -> a__U42(mark(X)) 39: mark(isNeList(X)) -> a__isNeList(X) 40: mark(U51(X1,X2)) -> a__U51(mark(X1),X2) 41: mark(U52(X)) -> a__U52(mark(X)) 42: mark(U61(X)) -> a__U61(mark(X)) 43: mark(U71(X1,X2)) -> a__U71(mark(X1),X2) 44: mark(U72(X)) -> a__U72(mark(X)) 45: mark(isPal(X)) -> a__isPal(X) 46: mark(U81(X)) -> a__U81(mark(X)) 47: mark(isQid(X)) -> a__isQid(X) 48: mark(isNePal(X)) -> a__isNePal(X) 49: mark(nil()) -> nil() 50: mark(tt()) -> tt() 51: mark(a()) -> a() 52: mark(e()) -> e() 53: mark(i()) -> i() 54: mark(o()) -> o() 55: mark(u()) -> u() 56: a____(X1,X2) -> __(X1,X2) 57: a__U11(X) -> U11(X) 58: a__U21(X1,X2) -> U21(X1,X2) 59: a__U22(X) -> U22(X) 60: a__isList(X) -> isList(X) 61: a__U31(X) -> U31(X) 62: a__U41(X1,X2) -> U41(X1,X2) 63: a__U42(X) -> U42(X) 64: a__isNeList(X) -> isNeList(X) 65: a__U51(X1,X2) -> U51(X1,X2) 66: a__U52(X) -> U52(X) 67: a__U61(X) -> U61(X) 68: a__U71(X1,X2) -> U71(X1,X2) 69: a__U72(X) -> U72(X) 70: a__isPal(X) -> isPal(X) 71: a__U81(X) -> U81(X) 72: a__isQid(X) -> isQid(X) 73: a__isNePal(X) -> isNePal(X) Number of strict rules: 73 Direct Order(PosReal,>,Poly) ... removes: 22 25 12 a() weight: 0 U21(x1,x2) weight: x1 + x2 U11(x1) weight: x1 isNeList(x1) weight: x1 isPal(x1) weight: (/ 1 4) + x1 U42(x1) weight: x1 u() weight: 0 U71(x1,x2) weight: (/ 1 4) + x1 + 2 * x2 a__U22(x1) weight: x1 isNePal(x1) weight: (/ 1 4) + x1 U72(x1) weight: x1 a__U31(x1) weight: x1 a__U51(x1,x2) weight: x1 + x2 a__U81(x1) weight: x1 isQid(x1) weight: x1 a____(x1,x2) weight: 2 * x1 + x2 a__U41(x1,x2) weight: x1 + x2 a__isList(x1) weight: x1 a__isNeList(x1) weight: x1 o() weight: 0 isList(x1) weight: x1 a__U21(x1,x2) weight: x1 + x2 nil() weight: 0 mark(x1) weight: x1 a__U72(x1) weight: x1 a__isNePal(x1) weight: (/ 1 4) + x1 a__U11(x1) weight: x1 a__U42(x1) weight: x1 a__U52(x1) weight: x1 i() weight: 0 U52(x1) weight: x1 U61(x1) weight: (/ 1 8) + x1 e() weight: 0 U31(x1) weight: x1 a__U71(x1,x2) weight: (/ 1 4) + x1 + 2 * x2 a__isPal(x1) weight: (/ 1 4) + x1 a__U61(x1) weight: (/ 1 8) + x1 U81(x1) weight: x1 tt() weight: 0 a__isQid(x1) weight: x1 U22(x1) weight: x1 U51(x1,x2) weight: x1 + x2 U41(x1,x2) weight: x1 + x2 __(x1,x2) weight: 2 * x1 + x2 Number of strict rules: 70 Direct Order(PosReal,>,Poly) ... removes: 18 4 15 8 3 16 26 19 17 27 28 5 10 7 20 30 14 23 24 11 9 13 6 29 2 a() weight: 0 U21(x1,x2) weight: (/ 314083 4) + x1 + 2 * x2 U11(x1) weight: (/ 119293 4) + x1 isNeList(x1) weight: (/ 128095 4) + 2 * x1 isPal(x1) weight: 31562 + 2 * x1 U42(x1) weight: (/ 957 4) + x1 u() weight: 0 U71(x1,x2) weight: (/ 63125 2) + 2 * x1 + 2 * x2 a__U22(x1) weight: (/ 66693 4) + x1 isNePal(x1) weight: (/ 63123 2) + 2 * x1 U72(x1) weight: (/ 1 4) + x1 a__U31(x1) weight: (/ 128093 4) + x1 a__U51(x1,x2) weight: 78521 + x1 + 2 * x2 a__U81(x1) weight: (/ 1 4) + x1 isQid(x1) weight: (/ 1 4) + x1 a____(x1,x2) weight: (/ 78521 2) + x1 + x2 a__U41(x1,x2) weight: (/ 129053 4) + x1 + 2 * x2 a__isList(x1) weight: (/ 247389 4) + 2 * x1 a__isNeList(x1) weight: (/ 128095 4) + 2 * x1 o() weight: 0 isList(x1) weight: (/ 247389 4) + 2 * x1 a__U21(x1,x2) weight: (/ 314083 4) + x1 + 2 * x2 nil() weight: 0 mark(x1) weight: x1 a__U72(x1) weight: (/ 1 4) + x1 a__isNePal(x1) weight: (/ 63123 2) + 2 * x1 a__U11(x1) weight: (/ 119293 4) + x1 a__U42(x1) weight: (/ 957 4) + x1 a__U52(x1) weight: (/ 1 4) + x1 i() weight: 0 U52(x1) weight: (/ 1 4) + x1 U61(x1) weight: (/ 126245 4) + x1 e() weight: 0 U31(x1) weight: (/ 128093 4) + x1 a__U71(x1,x2) weight: (/ 63125 2) + 2 * x1 + 2 * x2 a__isPal(x1) weight: 31562 + 2 * x1 a__U61(x1) weight: (/ 126245 4) + x1 U81(x1) weight: (/ 1 4) + x1 tt() weight: 0 a__isQid(x1) weight: (/ 1 4) + x1 U22(x1) weight: (/ 66693 4) + x1 U51(x1,x2) weight: 78521 + x1 + 2 * x2 U41(x1,x2) weight: (/ 129053 4) + x1 + 2 * x2 __(x1,x2) weight: (/ 78521 2) + x1 + x2 Number of strict rules: 45 Direct Order(PosReal,>,Poly) ... removes: 21 a() weight: 0 U21(x1,x2) weight: (/ 314083 4) + x1 + 2 * x2 U11(x1) weight: (/ 119293 4) + x1 isNeList(x1) weight: (/ 128095 4) + 2 * x1 isPal(x1) weight: 31562 + 2 * x1 U42(x1) weight: (/ 957 4) + x1 u() weight: 0 U71(x1,x2) weight: (/ 63125 2) + 2 * x1 + 2 * x2 a__U22(x1) weight: (/ 66693 4) + x1 isNePal(x1) weight: (/ 63123 2) + 2 * x1 U72(x1) weight: (/ 1 4) + x1 a__U31(x1) weight: (/ 128093 4) + x1 a__U51(x1,x2) weight: (/ 314083 4) + x1 + 2 * x2 a__U81(x1) weight: (/ 1 4) + x1 isQid(x1) weight: (/ 1 4) + x1 a____(x1,x2) weight: (/ 78521 2) + x1 + x2 a__U41(x1,x2) weight: (/ 129053 4) + x1 + 2 * x2 a__isList(x1) weight: (/ 247389 4) + 2 * x1 a__isNeList(x1) weight: (/ 128095 4) + 2 * x1 o() weight: 0 isList(x1) weight: (/ 247389 4) + 2 * x1 a__U21(x1,x2) weight: (/ 314083 4) + x1 + 2 * x2 nil() weight: 0 mark(x1) weight: x1 a__U72(x1) weight: (/ 1 4) + x1 a__isNePal(x1) weight: (/ 63123 2) + 2 * x1 a__U11(x1) weight: (/ 119293 4) + x1 a__U42(x1) weight: (/ 957 4) + x1 a__U52(x1) weight: (/ 1 4) + x1 i() weight: 0 U52(x1) weight: (/ 1 4) + x1 U61(x1) weight: (/ 126245 4) + x1 e() weight: 0 U31(x1) weight: (/ 128093 4) + x1 a__U71(x1,x2) weight: (/ 63125 2) + 2 * x1 + 2 * x2 a__isPal(x1) weight: 31562 + 2 * x1 a__U61(x1) weight: (/ 126245 4) + x1 U81(x1) weight: (/ 1 4) + x1 tt() weight: 0 a__isQid(x1) weight: (/ 1 4) + x1 U22(x1) weight: (/ 66693 4) + x1 U51(x1,x2) weight: (/ 314083 4) + x1 + 2 * x2 U41(x1,x2) weight: (/ 129053 4) + x1 + 2 * x2 __(x1,x2) weight: (/ 78521 2) + x1 + x2 Number of strict rules: 44 Direct Order(PosReal,>,Poly) ... removes: 1 a() weight: 0 U21(x1,x2) weight: 120518 + x1 + 2 * x2 U11(x1) weight: (/ 236445 4) + x1 isNeList(x1) weight: (/ 122813 2) + 2 * x1 isPal(x1) weight: 14894 + 2 * x1 U42(x1) weight: (/ 1 4) + x1 u() weight: 0 U71(x1,x2) weight: (/ 1023717 4) + x1 + 2 * x2 a__U22(x1) weight: (/ 1 4) + x1 isNePal(x1) weight: (/ 29787 2) + 2 * x1 U72(x1) weight: (/ 1 4) + x1 a__U31(x1) weight: (/ 245625 4) + x1 a__U51(x1,x2) weight: 120518 + x1 + 2 * x2 a__U81(x1) weight: (/ 1 4) + x1 isQid(x1) weight: (/ 1 4) + x1 a____(x1,x2) weight: 60259 + 2 * x1 + x2 a__U41(x1,x2) weight: (/ 245627 4) + x1 + 2 * x2 a__isList(x1) weight: (/ 482071 4) + 2 * x1 a__isNeList(x1) weight: (/ 122813 2) + 2 * x1 o() weight: 0 isList(x1) weight: (/ 482071 4) + 2 * x1 a__U21(x1,x2) weight: 120518 + x1 + 2 * x2 nil() weight: 0 mark(x1) weight: x1 a__U72(x1) weight: (/ 1 4) + x1 a__isNePal(x1) weight: (/ 29787 2) + 2 * x1 a__U11(x1) weight: (/ 236445 4) + x1 a__U42(x1) weight: (/ 1 4) + x1 a__U52(x1) weight: (/ 1 4) + x1 i() weight: 0 U52(x1) weight: (/ 1 4) + x1 U61(x1) weight: (/ 59573 4) + x1 e() weight: 0 U31(x1) weight: (/ 245625 4) + x1 a__U71(x1,x2) weight: (/ 1023717 4) + x1 + 2 * x2 a__isPal(x1) weight: 14894 + 2 * x1 a__U61(x1) weight: (/ 59573 4) + x1 U81(x1) weight: (/ 1 4) + x1 tt() weight: 0 a__isQid(x1) weight: (/ 1 4) + x1 U22(x1) weight: (/ 1 4) + x1 U51(x1,x2) weight: 120518 + x1 + 2 * x2 U41(x1,x2) weight: (/ 245627 4) + x1 + 2 * x2 __(x1,x2) weight: 60259 + 2 * x1 + x2 Number of strict rules: 43 Direct Order(PosReal,>,Poly) ... removes: 36 68 63 32 60 34 65 44 72 33 64 39 62 56 31 69 45 70 57 40 67 59 38 61 58 48 71 47 73 37 41 42 46 66 35 43 a() weight: 0 U21(x1,x2) weight: (/ 1202443 8) + x1 + 2 * x2 U11(x1) weight: (/ 116641 4) + x1 isNeList(x1) weight: (/ 215445 8) + 2 * x1 isPal(x1) weight: (/ 368793 8) + 2 * x1 U42(x1) weight: (/ 45733 4) + x1 u() weight: 0 U71(x1,x2) weight: (/ 360143 2) + x1 + 2 * x2 a__U22(x1) weight: (/ 520435 8) + x1 isNePal(x1) weight: (/ 368791 16) + 2 * x1 U72(x1) weight: (/ 267945 4) + x1 a__U31(x1) weight: (/ 61171 8) + x1 a__U51(x1,x2) weight: (/ 300611 2) + x1 + 2 * x2 a__U81(x1) weight: (/ 3 8) + x1 isQid(x1) weight: (/ 38569 4) + x1 a____(x1,x2) weight: (/ 1202443 8) + 2 * x1 + x2 a__U41(x1,x2) weight: (/ 398377 8) + x1 + 2 * x2 a__isList(x1) weight: (/ 682009 8) + 2 * x1 a__isNeList(x1) weight: (/ 107723 4) + 2 * x1 o() weight: 0 isList(x1) weight: (/ 341005 8) + 2 * x1 a__U21(x1,x2) weight: (/ 300611 2) + x1 + 2 * x2 nil() weight: 0 mark(x1) weight: 2 * x1 a__U72(x1) weight: (/ 1071779 8) + x1 a__isNePal(x1) weight: (/ 184395 4) + 2 * x1 a__U11(x1) weight: (/ 466563 8) + x1 a__U42(x1) weight: (/ 182931 8) + x1 a__U52(x1) weight: (/ 3 8) + x1 i() weight: 0 U52(x1) weight: (/ 1 4) + x1 U61(x1) weight: (/ 107257 4) + x1 e() weight: 0 U31(x1) weight: (/ 15293 4) + x1 a__U71(x1,x2) weight: (/ 1440573 8) + x1 + 2 * x2 a__isPal(x1) weight: (/ 184397 4) + 2 * x1 a__U61(x1) weight: (/ 214515 8) + x1 U81(x1) weight: (/ 1 4) + x1 tt() weight: 0 a__isQid(x1) weight: (/ 154275 8) + x1 U22(x1) weight: (/ 130109 4) + x1 U51(x1,x2) weight: (/ 1202443 8) + x1 + 2 * x2 U41(x1,x2) weight: 49797 + x1 + 2 * x2 __(x1,x2) weight: (/ 300611 4) + 2 * x1 + x2 Number of strict rules: 7 Direct Order(PosReal,>,Poly) ... removes: 50 54 49 52 51 55 53 a() weight: 0 U21(x1,x2) weight: (/ 260217 4) + x1 + 2 * x2 U11(x1) weight: (/ 116641 4) + x1 isNeList(x1) weight: (/ 1 8) + 2 * x1 isPal(x1) weight: (/ 1 8) + 2 * x1 U42(x1) weight: (/ 45733 4) + x1 u() weight: 0 U71(x1,x2) weight: (/ 1071779 8) + x1 + 2 * x2 a__U22(x1) weight: (/ 520435 8) + 2 * x1 isNePal(x1) weight: (/ 368791 16) + 2 * x1 U72(x1) weight: (/ 535891 8) + x1 a__U31(x1) weight: (/ 1 8) + 2 * x1 a__U51(x1,x2) weight: 65054 + 2 * x1 + 2 * x2 a__U81(x1) weight: (/ 3 8) + x1 isQid(x1) weight: (/ 1 8) + x1 a____(x1,x2) weight: (/ 260215 4) + 2 * x1 + x2 a__U41(x1,x2) weight: (/ 182937 8) + 2 * x1 + 2 * x2 a__isList(x1) weight: 2 * x1 a__isNeList(x1) weight: (/ 3 8) + 2 * x1 o() weight: 0 isList(x1) weight: (/ 1 8) + 2 * x1 a__U21(x1,x2) weight: (/ 520435 8) + x1 + 2 * x2 nil() weight: 0 mark(x1) weight: (/ 1 8) + 2 * x1 a__U72(x1) weight: (/ 267945 2) + 2 * x1 a__isNePal(x1) weight: (/ 214517 8) + 2 * x1 a__U11(x1) weight: (/ 466563 8) + x1 a__U42(x1) weight: (/ 182931 8) + 2 * x1 a__U52(x1) weight: (/ 3 8) + x1 i() weight: 0 U52(x1) weight: (/ 1 4) + x1 U61(x1) weight: (/ 107257 4) + x1 e() weight: 0 U31(x1) weight: (/ 1 8) + 2 * x1 a__U71(x1,x2) weight: (/ 267945 2) + x1 + 2 * x2 a__isPal(x1) weight: 2 * x1 a__U61(x1) weight: (/ 214515 8) + 2 * x1 U81(x1) weight: (/ 1 4) + x1 tt() weight: 0 a__isQid(x1) weight: (/ 1 8) + x1 U22(x1) weight: (/ 130109 4) + x1 U51(x1,x2) weight: (/ 520431 8) + x1 + 2 * x2 U41(x1,x2) weight: 22867 + x1 + 2 * x2 __(x1,x2) weight: (/ 520435 16) + 2 * x1 + x2 Number of strict rules: 0 YES