YES Problem: 0(1(0(2(x1)))) -> 0(0(3(1(2(x1))))) 0(1(3(4(x1)))) -> 0(4(1(0(3(x1))))) 0(1(3(4(x1)))) -> 0(4(1(1(3(x1))))) 0(1(3(4(x1)))) -> 0(4(1(3(1(x1))))) 0(2(1(4(x1)))) -> 0(4(1(2(3(x1))))) 0(2(1(4(x1)))) -> 0(4(1(3(2(x1))))) 0(2(1(4(x1)))) -> 2(0(4(1(4(x1))))) 0(2(1(4(x1)))) -> 5(5(0(4(1(2(x1)))))) 0(2(1(5(x1)))) -> 5(0(4(1(2(x1))))) 0(2(2(4(x1)))) -> 0(4(2(2(5(x1))))) 0(2(2(4(x1)))) -> 0(4(2(5(2(x1))))) 3(4(0(2(x1)))) -> 3(0(4(5(2(x1))))) 3(4(0(2(x1)))) -> 3(5(0(4(2(x1))))) 0(0(1(4(5(x1))))) -> 0(4(1(0(3(5(x1)))))) 0(1(0(2(4(x1))))) -> 2(0(0(4(1(1(x1)))))) 0(1(2(3(4(x1))))) -> 2(0(4(1(0(3(x1)))))) 0(1(3(3(4(x1))))) -> 0(0(3(1(3(4(x1)))))) 0(1(4(0(2(x1))))) -> 0(4(1(5(0(2(x1)))))) 0(1(4(1(5(x1))))) -> 2(5(0(4(1(1(x1)))))) 0(1(4(3(4(x1))))) -> 0(4(0(3(1(4(x1)))))) 0(1(4(3(4(x1))))) -> 3(0(4(1(5(4(x1)))))) 0(1(4(3(5(x1))))) -> 5(4(5(0(3(1(x1)))))) 0(1(5(0(2(x1))))) -> 0(0(4(1(2(5(x1)))))) 0(1(5(1(4(x1))))) -> 4(5(0(3(1(1(x1)))))) 0(2(1(4(4(x1))))) -> 0(4(1(2(4(3(x1)))))) 0(2(1(4(5(x1))))) -> 0(4(1(2(5(2(x1)))))) 0(2(1(5(4(x1))))) -> 5(0(2(0(4(1(x1)))))) 0(2(4(1(5(x1))))) -> 5(0(4(1(5(2(x1)))))) 0(2(4(3(5(x1))))) -> 0(4(5(2(5(3(x1)))))) 0(2(5(1(4(x1))))) -> 0(0(5(4(1(2(x1)))))) 3(0(1(3(2(x1))))) -> 0(3(1(0(3(2(x1)))))) 3(0(2(1(4(x1))))) -> 4(0(4(1(3(2(x1)))))) 3(0(2(1(5(x1))))) -> 5(3(2(0(4(1(x1)))))) 3(0(4(0(2(x1))))) -> 0(3(4(0(4(2(x1)))))) 3(0(4(0(2(x1))))) -> 0(4(1(2(0(3(x1)))))) 3(0(5(1(4(x1))))) -> 3(0(4(1(1(5(x1)))))) 3(0(5(1(5(x1))))) -> 0(4(1(3(5(5(x1)))))) 3(2(4(1(2(x1))))) -> 3(1(2(2(5(4(x1)))))) 3(2(4(1(5(x1))))) -> 3(1(4(5(2(5(x1)))))) 3(4(0(1(2(x1))))) -> 0(4(2(0(3(1(x1)))))) 3(4(0(1(4(x1))))) -> 0(4(1(5(3(4(x1)))))) 3(4(0(1(5(x1))))) -> 0(4(1(5(5(3(x1)))))) 3(4(0(2(4(x1))))) -> 0(3(4(0(4(2(x1)))))) 3(4(1(2(4(x1))))) -> 0(4(1(2(4(3(x1)))))) 3(4(1(3(5(x1))))) -> 4(3(0(3(1(5(x1)))))) 3(4(3(0(2(x1))))) -> 3(3(0(4(1(2(x1)))))) 3(4(5(0(2(x1))))) -> 0(3(0(4(2(5(x1)))))) 3(5(0(2(2(x1))))) -> 0(3(2(5(2(5(x1)))))) 3(5(2(1(4(x1))))) -> 3(5(1(0(4(2(x1)))))) Proof: String Reversal Processor: 2(0(1(0(x1)))) -> 2(1(3(0(0(x1))))) 4(3(1(0(x1)))) -> 3(0(1(4(0(x1))))) 4(3(1(0(x1)))) -> 3(1(1(4(0(x1))))) 4(3(1(0(x1)))) -> 1(3(1(4(0(x1))))) 4(1(2(0(x1)))) -> 3(2(1(4(0(x1))))) 4(1(2(0(x1)))) -> 2(3(1(4(0(x1))))) 4(1(2(0(x1)))) -> 4(1(4(0(2(x1))))) 4(1(2(0(x1)))) -> 2(1(4(0(5(5(x1)))))) 5(1(2(0(x1)))) -> 2(1(4(0(5(x1))))) 4(2(2(0(x1)))) -> 5(2(2(4(0(x1))))) 4(2(2(0(x1)))) -> 2(5(2(4(0(x1))))) 2(0(4(3(x1)))) -> 2(5(4(0(3(x1))))) 2(0(4(3(x1)))) -> 2(4(0(5(3(x1))))) 5(4(1(0(0(x1))))) -> 5(3(0(1(4(0(x1)))))) 4(2(0(1(0(x1))))) -> 1(1(4(0(0(2(x1)))))) 4(3(2(1(0(x1))))) -> 3(0(1(4(0(2(x1)))))) 4(3(3(1(0(x1))))) -> 4(3(1(3(0(0(x1)))))) 2(0(4(1(0(x1))))) -> 2(0(5(1(4(0(x1)))))) 5(1(4(1(0(x1))))) -> 1(1(4(0(5(2(x1)))))) 4(3(4(1(0(x1))))) -> 4(1(3(0(4(0(x1)))))) 4(3(4(1(0(x1))))) -> 4(5(1(4(0(3(x1)))))) 5(3(4(1(0(x1))))) -> 1(3(0(5(4(5(x1)))))) 2(0(5(1(0(x1))))) -> 5(2(1(4(0(0(x1)))))) 4(1(5(1(0(x1))))) -> 1(1(3(0(5(4(x1)))))) 4(4(1(2(0(x1))))) -> 3(4(2(1(4(0(x1)))))) 5(4(1(2(0(x1))))) -> 2(5(2(1(4(0(x1)))))) 4(5(1(2(0(x1))))) -> 1(4(0(2(0(5(x1)))))) 5(1(4(2(0(x1))))) -> 2(5(1(4(0(5(x1)))))) 5(3(4(2(0(x1))))) -> 3(5(2(5(4(0(x1)))))) 4(1(5(2(0(x1))))) -> 2(1(4(5(0(0(x1)))))) 2(3(1(0(3(x1))))) -> 2(3(0(1(3(0(x1)))))) 4(1(2(0(3(x1))))) -> 2(3(1(4(0(4(x1)))))) 5(1(2(0(3(x1))))) -> 1(4(0(2(3(5(x1)))))) 2(0(4(0(3(x1))))) -> 2(4(0(4(3(0(x1)))))) 2(0(4(0(3(x1))))) -> 3(0(2(1(4(0(x1)))))) 4(1(5(0(3(x1))))) -> 5(1(1(4(0(3(x1)))))) 5(1(5(0(3(x1))))) -> 5(5(3(1(4(0(x1)))))) 2(1(4(2(3(x1))))) -> 4(5(2(2(1(3(x1)))))) 5(1(4(2(3(x1))))) -> 5(2(5(4(1(3(x1)))))) 2(1(0(4(3(x1))))) -> 1(3(0(2(4(0(x1)))))) 4(1(0(4(3(x1))))) -> 4(3(5(1(4(0(x1)))))) 5(1(0(4(3(x1))))) -> 3(5(5(1(4(0(x1)))))) 4(2(0(4(3(x1))))) -> 2(4(0(4(3(0(x1)))))) 4(2(1(4(3(x1))))) -> 3(4(2(1(4(0(x1)))))) 5(3(1(4(3(x1))))) -> 5(1(3(0(3(4(x1)))))) 2(0(3(4(3(x1))))) -> 2(1(4(0(3(3(x1)))))) 2(0(5(4(3(x1))))) -> 5(2(4(0(3(0(x1)))))) 2(2(0(5(3(x1))))) -> 5(2(5(2(3(0(x1)))))) 4(1(2(5(3(x1))))) -> 2(4(0(1(5(3(x1)))))) Bounds Processor: bound: 0 enrichment: match automaton: final states: {163,159,155,150,145,143,141,138,134,129,127,125,123, 119,114,109,104,100,96,94,90,88,86,80,76,71,68,64, 59,56,54,52,48,47,43,38,36,33,29,23,18,17,15,13,11, 7,1} transitions: 20(122) -> 119* 20(115) -> 116* 20(58) -> 56* 20(78) -> 79* 20(34) -> 35* 20(108) -> 104* 20(154) -> 150* 20(97) -> 98* 20(42) -> 38* 20(103) -> 100* 20(130) -> 131* 20(161) -> 162* 20(32) -> 29* 20(136) -> 137* 20(14) -> 17* 20(6) -> 1* 20(89) -> 88* 20(37) -> 36* 20(8) -> 34* 20(131) -> 132* 20(30) -> 91* 20(113) -> 109* 20(166) -> 163* 20(95) -> 94* 20(105) -> 160* 20(9) -> 16* 20(28) -> 23* 20(46) -> 43* 20(157) -> 158* 20(2) -> 19* f60() -> 2* 50(160) -> 161* 50(57) -> 144* 50(81) -> 82* 50(158) -> 155* 50(39) -> 44* 50(149) -> 145* 50(8) -> 97* 50(35) -> 33* 50(41) -> 42* 50(2) -> 24* 50(162) -> 159* 50(14) -> 128* 50(4) -> 101* 50(126) -> 125* 50(69) -> 70* 50(9) -> 57* 50(32) -> 95* 50(7) -> 47* 50(98) -> 99* 50(19) -> 60* 50(34) -> 37* 50(24) -> 25* 50(128) -> 127* 50(79) -> 76* 50(72) -> 73* 50(137) -> 134* 50(16) -> 89* 50(135) -> 136* 50(132) -> 133* 40(2) -> 81* 40(105) -> 120* 40(55) -> 54* 40(130) -> 135* 40(45) -> 46* 40(24) -> 72* 40(121) -> 122* 40(110) -> 111* 40(70) -> 68* 40(133) -> 129* 40(30) -> 31* 40(165) -> 166* 40(3) -> 8* 40(16) -> 87* 40(40) -> 41* 40(49) -> 50* 40(156) -> 157* 40(67) -> 64* 40(20) -> 21* 40(92) -> 93* 40(22) -> 18* 40(4) -> 77* 40(26) -> 27* 40(152) -> 153* 40(117) -> 118* 40(61) -> 62* 40(142) -> 141* 40(101) -> 102* 10(66) -> 67* 10(39) -> 130* 10(44) -> 164* 10(153) -> 154* 10(93) -> 90* 10(5) -> 6* 10(62) -> 63* 10(31) -> 32* 10(21) -> 22* 10(27) -> 28* 10(102) -> 103* 10(50) -> 51* 10(9) -> 12* 10(111) -> 112* 10(140) -> 138* 10(69) -> 126* 10(75) -> 71* 10(77) -> 78* 10(105) -> 106* 10(84) -> 85* 10(8) -> 9* 10(51) -> 48* 10(118) -> 114* 10(85) -> 80* 10(63) -> 59* 10(14) -> 13* 10(41) -> 69* 10(148) -> 149* 00(151) -> 152* 00(22) -> 53* 00(81) -> 110* 00(3) -> 4* 00(146) -> 147* 00(39) -> 40* 00(116) -> 117* 00(57) -> 58* 00(9) -> 10* 00(105) -> 156* 00(106) -> 107* 00(60) -> 61* 00(91) -> 92* 00(8) -> 65* 00(164) -> 165* 00(34) -> 139* 00(24) -> 30* 00(16) -> 124* 00(44) -> 45* 00(19) -> 20* 00(120) -> 121* 00(82) -> 83* 00(25) -> 26* 00(2) -> 3* 00(20) -> 49* 00(73) -> 74* 30(12) -> 11* 30(147) -> 148* 30(57) -> 142* 30(2) -> 39* 30(139) -> 140* 30(124) -> 123* 30(4) -> 5* 30(10) -> 7* 30(107) -> 108* 30(81) -> 146* 30(39) -> 151* 30(6) -> 55* 30(99) -> 96* 30(83) -> 84* 30(9) -> 14* 30(87) -> 86* 30(24) -> 115* 30(3) -> 105* 30(112) -> 113* 30(144) -> 143* 30(53) -> 52* 30(65) -> 66* 30(16) -> 15* 30(74) -> 75* 94 -> 24* 155 -> 19,91 56 -> 19* 163 -> 81* 43 -> 19* 159 -> 19* 68 -> 81* 47 -> 24* 17 -> 81* 48 -> 81* 64 -> 81* 7 -> 81* 100 -> 81* 104 -> 19* 114 -> 24* 11 -> 81* 143 -> 24* 52 -> 81* 54 -> 81* 88 -> 24,82 109 -> 81* 150 -> 19* 138 -> 19* 141 -> 81* 36 -> 81* 86 -> 81* 38 -> 19* 76 -> 19,91 125 -> 81* 13 -> 81* 127 -> 24* 71 -> 24,44 123 -> 19* 1 -> 19* 90 -> 81,72 59 -> 24* 134 -> 24* 18 -> 81* 145 -> 24,44 119 -> 81,19 129 -> 19* 96 -> 24,44 15 -> 81* 80 -> 81* 29 -> 24* 23 -> 81* 33 -> 81* problem: Qed