YES Problem: v(s(x1)) -> s(p(p(s(s(s(s(s(s(s(s(w(p(p(s(s(p(s(p(s(x1)))))))))))))))))))) v(0(x1)) -> p(p(s(s(0(p(p(s(s(s(s(s(x1)))))))))))) w(s(x1)) -> s(s(s(s(s(s(p(p(s(s(v(p(p(s(s(s(p(p(s(s(x1)))))))))))))))))))) w(0(x1)) -> p(s(p(p(p(p(p(p(p(p(s(s(0(s(s(s(s(s(s(x1))))))))))))))))))) p(p(s(x1))) -> p(x1) p(s(x1)) -> x1 p(0(x1)) -> 0(s(s(s(s(s(s(s(p(s(x1)))))))))) Proof: Arctic Interpretation Processor: dimension: 1 interpretation: [0](x0) = x0, [w](x0) = 2x0, [p](x0) = x0, [v](x0) = 2x0, [s](x0) = x0 orientation: v(s(x1)) = 2x1 >= 2x1 = s(p(p(s(s(s(s(s(s(s(s(w(p(p(s(s(p(s(p(s(x1)))))))))))))))))))) v(0(x1)) = 2x1 >= x1 = p(p(s(s(0(p(p(s(s(s(s(s(x1)))))))))))) w(s(x1)) = 2x1 >= 2x1 = s(s(s(s(s(s(p(p(s(s(v(p(p(s(s(s(p(p(s(s(x1)))))))))))))))))))) w(0(x1)) = 2x1 >= x1 = p(s(p(p(p(p(p(p(p(p(s(s(0(s(s(s(s(s(s(x1))))))))))))))))))) p(p(s(x1))) = x1 >= x1 = p(x1) p(s(x1)) = x1 >= x1 = x1 p(0(x1)) = x1 >= x1 = 0(s(s(s(s(s(s(s(p(s(x1)))))))))) problem: v(s(x1)) -> s(p(p(s(s(s(s(s(s(s(s(w(p(p(s(s(p(s(p(s(x1)))))))))))))))))))) w(s(x1)) -> s(s(s(s(s(s(p(p(s(s(v(p(p(s(s(s(p(p(s(s(x1)))))))))))))))))))) p(p(s(x1))) -> p(x1) p(s(x1)) -> x1 p(0(x1)) -> 0(s(s(s(s(s(s(s(p(s(x1)))))))))) Bounds Processor: bound: 2 enrichment: match automaton: final states: {42,2,41,22,1} transitions: f50() -> 2* s0(45) -> 46* s0(40) -> 22* s0(35) -> 36* s0(25) -> 26* s0(15) -> 16* s0(5) -> 43* s0(47) -> 48* s0(37) -> 38* s0(32) -> 33* s0(27) -> 28* s0(17) -> 18* s0(12) -> 13* s0(7) -> 8* s0(2) -> 3* s0(44) -> 45* s0(39) -> 40* s0(14) -> 15* s0(4) -> 5* s0(46) -> 47* s0(36) -> 37* s0(31) -> 32* s0(26) -> 27* s0(21) -> 1* s0(16) -> 17* s0(11) -> 12* s0(6) -> 7* s0(43) -> 44* s0(38) -> 39* s0(18) -> 19* s0(13) -> 14* s0(3) -> 23* p0(20) -> 21* p0(5) -> 6* p0(2) -> 41* p0(34) -> 35* p0(29) -> 30* p0(24) -> 25* p0(19) -> 20* p0(9) -> 10* p0(33) -> 34* p0(28) -> 29* p0(23) -> 24* p0(8) -> 9* p0(3) -> 4* w0(10) -> 11* v0(30) -> 31* 00(48) -> 42* p1(107) -> 108* p1(97) -> 98* p1(67) -> 68* p1(59) -> 60* p1(96) -> 97* p1(91) -> 92* p1(61) -> 62* p1(51) -> 52* p1(108) -> 109* p1(93) -> 94* p1(53) -> 54* s1(102) -> 103* s1(92) -> 93* s1(109) -> 110* s1(104) -> 105* s1(99) -> 100* s1(94) -> 95* s1(106) -> 107* s1(101) -> 102* s1(103) -> 104* s1(105) -> 106* s1(100) -> 101* s1(95) -> 96* s1(90) -> 91* w1(98) -> 99* p2(117) -> 118* p2(111) -> 112* 2 -> 41,54,25,4 3 -> 24,53 4 -> 6* 6 -> 60* 7 -> 9,59 17 -> 68,21 18 -> 20,67 22 -> 99,11 25 -> 90* 26 -> 62,30 27 -> 29,61 31 -> 52* 32 -> 34,51 42 -> 41* 52 -> 35* 54 -> 25* 60 -> 10* 62 -> 30* 68 -> 21* 90 -> 92* 92 -> 94* 94 -> 118,98 95 -> 97,117 105 -> 112* 106 -> 108,111 110 -> 31,52,35 112 -> 109* 118 -> 98* problem: Qed