YES(?,O(n^1)) 1168.21/297.02 YES(?,O(n^1)) 1168.21/297.02 1168.21/297.02 We are left with following problem, upon which TcT provides the 1168.21/297.02 certificate YES(?,O(n^1)). 1168.21/297.02 1168.21/297.02 Strict Trs: { a(a(b(b(x1)))) -> b(b(b(a(a(a(a(a(x1)))))))) } 1168.21/297.02 Obligation: 1168.21/297.02 derivational complexity 1168.21/297.02 Answer: 1168.21/297.02 YES(?,O(n^1)) 1168.21/297.02 1168.21/297.02 The problem is match-bounded by 7. The enriched problem is 1168.21/297.02 compatible with the following automaton. 1168.21/297.02 { a_0(1) -> 1 1168.21/297.02 , a_0(2) -> 1 1168.21/297.02 , a_1(1) -> 9 1168.21/297.02 , a_1(2) -> 9 1168.21/297.02 , a_1(3) -> 9 1168.21/297.02 , a_1(4) -> 9 1168.21/297.02 , a_1(6) -> 5 1168.21/297.02 , a_1(7) -> 6 1168.21/297.02 , a_1(8) -> 7 1168.21/297.02 , a_1(9) -> 8 1168.21/297.02 , a_2(4) -> 16 1168.21/297.02 , a_2(5) -> 16 1168.21/297.02 , a_2(10) -> 16 1168.21/297.02 , a_2(11) -> 16 1168.21/297.02 , a_2(13) -> 12 1168.21/297.02 , a_2(14) -> 13 1168.21/297.02 , a_2(15) -> 14 1168.21/297.02 , a_2(16) -> 15 1168.21/297.02 , a_3(11) -> 23 1168.21/297.02 , a_3(12) -> 23 1168.21/297.02 , a_3(18) -> 30 1168.21/297.02 , a_3(20) -> 19 1168.21/297.02 , a_3(21) -> 20 1168.21/297.02 , a_3(22) -> 21 1168.21/297.02 , a_3(23) -> 22 1168.21/297.02 , a_3(24) -> 23 1168.21/297.02 , a_3(25) -> 30 1168.21/297.02 , a_3(27) -> 26 1168.21/297.02 , a_3(28) -> 27 1168.21/297.02 , a_3(29) -> 28 1168.21/297.02 , a_3(30) -> 29 1168.21/297.02 , a_4(18) -> 44 1168.21/297.02 , a_4(25) -> 37 1168.21/297.02 , a_4(26) -> 37 1168.21/297.02 , a_4(32) -> 44 1168.21/297.02 , a_4(34) -> 33 1168.21/297.02 , a_4(35) -> 34 1168.21/297.02 , a_4(36) -> 35 1168.21/297.02 , a_4(37) -> 36 1168.21/297.02 , a_4(38) -> 51 1168.21/297.02 , a_4(41) -> 40 1168.21/297.02 , a_4(42) -> 41 1168.21/297.02 , a_4(43) -> 42 1168.21/297.02 , a_4(44) -> 43 1168.21/297.02 , a_4(46) -> 58 1168.21/297.02 , a_4(48) -> 47 1168.21/297.02 , a_4(49) -> 48 1168.21/297.02 , a_4(50) -> 49 1168.21/297.02 , a_4(51) -> 50 1168.21/297.02 , a_4(53) -> 79 1168.21/297.02 , a_4(55) -> 54 1168.21/297.02 , a_4(56) -> 55 1168.21/297.02 , a_4(57) -> 56 1168.21/297.02 , a_4(58) -> 57 1168.21/297.02 , a_4(76) -> 75 1168.21/297.02 , a_4(77) -> 76 1168.21/297.02 , a_4(78) -> 77 1168.21/297.02 , a_4(79) -> 78 1168.21/297.02 , a_5(40) -> 65 1168.21/297.02 , a_5(46) -> 72 1168.21/297.02 , a_5(60) -> 86 1168.21/297.02 , a_5(62) -> 61 1168.21/297.02 , a_5(63) -> 62 1168.21/297.02 , a_5(64) -> 63 1168.21/297.02 , a_5(65) -> 64 1168.21/297.02 , a_5(67) -> 93 1168.21/297.02 , a_5(69) -> 68 1168.21/297.02 , a_5(70) -> 69 1168.21/297.02 , a_5(71) -> 70 1168.21/297.02 , a_5(72) -> 71 1168.21/297.02 , a_5(74) -> 100 1168.21/297.02 , a_5(83) -> 82 1168.21/297.02 , a_5(84) -> 83 1168.21/297.02 , a_5(85) -> 84 1168.21/297.02 , a_5(86) -> 85 1168.21/297.02 , a_5(90) -> 89 1168.21/297.02 , a_5(91) -> 90 1168.21/297.02 , a_5(92) -> 91 1168.21/297.02 , a_5(93) -> 92 1168.21/297.02 , a_5(95) -> 114 1168.21/297.02 , a_5(97) -> 96 1168.21/297.02 , a_5(98) -> 97 1168.21/297.02 , a_5(99) -> 98 1168.21/297.02 , a_5(100) -> 99 1168.21/297.02 , a_5(108) -> 128 1168.21/297.02 , a_5(111) -> 110 1168.21/297.02 , a_5(112) -> 111 1168.21/297.02 , a_5(113) -> 112 1168.21/297.02 , a_5(114) -> 113 1168.21/297.02 , a_5(123) -> 72 1168.21/297.02 , a_5(125) -> 124 1168.21/297.02 , a_5(126) -> 125 1168.21/297.02 , a_5(127) -> 126 1168.21/297.02 , a_5(128) -> 127 1168.21/297.02 , a_6(88) -> 107 1168.21/297.02 , a_6(102) -> 121 1168.21/297.02 , a_6(104) -> 103 1168.21/297.02 , a_6(105) -> 104 1168.21/297.02 , a_6(106) -> 105 1168.21/297.02 , a_6(107) -> 106 1168.21/297.02 , a_6(110) -> 142 1168.21/297.02 , a_6(115) -> 135 1168.21/297.02 , a_6(118) -> 117 1168.21/297.02 , a_6(119) -> 118 1168.21/297.02 , a_6(120) -> 119 1168.21/297.02 , a_6(121) -> 120 1168.21/297.02 , a_6(130) -> 149 1168.21/297.02 , a_6(132) -> 131 1168.21/297.02 , a_6(133) -> 132 1168.21/297.02 , a_6(134) -> 133 1168.21/297.02 , a_6(135) -> 134 1168.21/297.02 , a_6(137) -> 163 1168.21/297.02 , a_6(139) -> 138 1168.21/297.02 , a_6(140) -> 139 1168.21/297.02 , a_6(141) -> 140 1168.21/297.02 , a_6(142) -> 141 1168.21/297.02 , a_6(146) -> 145 1168.21/297.02 , a_6(147) -> 146 1168.21/297.02 , a_6(148) -> 147 1168.21/297.02 , a_6(149) -> 148 1168.21/297.02 , a_6(160) -> 159 1168.21/297.02 , a_6(161) -> 160 1168.21/297.02 , a_6(162) -> 161 1168.21/297.02 , a_6(163) -> 162 1168.21/297.02 , a_7(117) -> 156 1168.21/297.02 , a_7(151) -> 170 1168.21/297.02 , a_7(153) -> 152 1168.21/297.02 , a_7(154) -> 153 1168.21/297.02 , a_7(155) -> 154 1168.21/297.02 , a_7(156) -> 155 1168.21/297.02 , a_7(167) -> 166 1168.21/297.02 , a_7(168) -> 167 1168.21/297.02 , a_7(169) -> 168 1168.21/297.02 , a_7(170) -> 169 1168.21/297.02 , b_0(1) -> 2 1168.21/297.02 , b_0(2) -> 2 1168.21/297.02 , b_1(3) -> 1 1168.21/297.02 , b_1(3) -> 8 1168.21/297.02 , b_1(3) -> 9 1168.21/297.02 , b_1(4) -> 3 1168.21/297.02 , b_1(5) -> 4 1168.21/297.02 , b_2(10) -> 5 1168.21/297.02 , b_2(10) -> 6 1168.21/297.02 , b_2(10) -> 7 1168.21/297.02 , b_2(10) -> 8 1168.21/297.02 , b_2(10) -> 15 1168.21/297.02 , b_2(10) -> 16 1168.21/297.02 , b_2(11) -> 10 1168.21/297.02 , b_2(12) -> 11 1168.21/297.02 , b_3(17) -> 13 1168.21/297.02 , b_3(17) -> 14 1168.21/297.02 , b_3(17) -> 15 1168.21/297.02 , b_3(17) -> 22 1168.21/297.02 , b_3(18) -> 17 1168.21/297.02 , b_3(19) -> 18 1168.21/297.02 , b_3(24) -> 12 1168.21/297.02 , b_3(24) -> 13 1168.21/297.02 , b_3(24) -> 23 1168.21/297.02 , b_3(25) -> 24 1168.21/297.02 , b_3(26) -> 25 1168.21/297.02 , b_4(31) -> 21 1168.21/297.02 , b_4(31) -> 22 1168.21/297.02 , b_4(32) -> 31 1168.21/297.02 , b_4(33) -> 32 1168.21/297.02 , b_4(38) -> 19 1168.21/297.02 , b_4(38) -> 20 1168.21/297.02 , b_4(39) -> 38 1168.21/297.02 , b_4(40) -> 39 1168.21/297.02 , b_4(45) -> 29 1168.21/297.02 , b_4(45) -> 43 1168.21/297.02 , b_4(46) -> 45 1168.21/297.02 , b_4(47) -> 46 1168.21/297.02 , b_4(52) -> 27 1168.21/297.02 , b_4(53) -> 52 1168.21/297.02 , b_4(54) -> 53 1168.21/297.02 , b_4(73) -> 37 1168.21/297.02 , b_4(74) -> 73 1168.21/297.02 , b_4(75) -> 74 1168.21/297.02 , b_5(59) -> 50 1168.21/297.02 , b_5(60) -> 59 1168.21/297.02 , b_5(61) -> 60 1168.21/297.02 , b_5(66) -> 41 1168.21/297.02 , b_5(67) -> 66 1168.21/297.02 , b_5(68) -> 67 1168.21/297.02 , b_5(80) -> 48 1168.21/297.02 , b_5(81) -> 80 1168.21/297.02 , b_5(82) -> 81 1168.21/297.02 , b_5(87) -> 65 1168.21/297.02 , b_5(88) -> 87 1168.21/297.02 , b_5(89) -> 88 1168.21/297.02 , b_5(94) -> 35 1168.21/297.02 , b_5(95) -> 94 1168.21/297.02 , b_5(96) -> 95 1168.21/297.02 , b_5(108) -> 33 1168.21/297.02 , b_5(109) -> 108 1168.21/297.02 , b_5(110) -> 109 1168.21/297.02 , b_5(122) -> 43 1168.21/297.02 , b_5(123) -> 122 1168.21/297.02 , b_5(124) -> 123 1168.21/297.02 , b_6(101) -> 63 1168.21/297.02 , b_6(102) -> 101 1168.21/297.02 , b_6(103) -> 102 1168.21/297.02 , b_6(115) -> 61 1168.21/297.02 , b_6(116) -> 115 1168.21/297.02 , b_6(117) -> 116 1168.21/297.02 , b_6(129) -> 85 1168.21/297.02 , b_6(130) -> 129 1168.21/297.02 , b_6(131) -> 130 1168.21/297.02 , b_6(136) -> 127 1168.21/297.02 , b_6(137) -> 136 1168.21/297.02 , b_6(138) -> 137 1168.21/297.02 , b_6(143) -> 83 1168.21/297.02 , b_6(144) -> 143 1168.21/297.02 , b_6(145) -> 144 1168.21/297.02 , b_6(157) -> 125 1168.21/297.02 , b_6(158) -> 157 1168.21/297.02 , b_6(159) -> 158 1168.21/297.02 , b_7(150) -> 134 1168.21/297.02 , b_7(151) -> 150 1168.21/297.02 , b_7(152) -> 151 1168.21/297.02 , b_7(164) -> 132 1168.21/297.02 , b_7(165) -> 164 1168.21/297.02 , b_7(166) -> 165 } 1168.21/297.02 1168.21/297.02 Hurray, we answered YES(?,O(n^1)) 1168.74/297.54 EOF