YES Problem: g(x,x) -> g(a(),b()) g(c(),g(c(),x)) -> g(e(),g(d(),x)) g(d(),g(d(),x)) -> g(c(),g(e(),x)) g(e(),g(e(),x)) -> g(d(),g(c(),x)) f(g(x,y)) -> g(y,g(f(f(x)),a())) Proof: Bounds Processor: bound: 2 enrichment: match automaton: final states: {33,32,31,30,29,14,12,9,4,1} transitions: a2() -> 46,54*,35,3,53 b2() -> 47,55*,34,2,52 f70() -> 5* g0(11,33) -> 31* g0(48,3) -> 20* g0(46,47) -> 32* g0(2,20) -> 16* g0(47,32) -> 16* g0(8,5) -> 10* g0(8,7) -> 29*,13,4 g0(32,32) -> 16* g0(46,55) -> 32* g0(17,32) -> 16* g0(54,2) -> 32* g0(2,32) -> 16* g0(32,46) -> 17* g0(32,50) -> 16* g0(17,50) -> 16* g0(32,54) -> 17* g0(8,31) -> 29* g0(3,47) -> 32* g0(50,17) -> 16* g0(46,2) -> 32* g0(3,55) -> 32* g0(5,17) -> 30*,15,14 g0(49,46) -> 17* g0(19,46) -> 20* g0(49,54) -> 17* g0(11,10) -> 31*,7,9 g0(19,54) -> 20* g0(32,3) -> 17* g0(55,51) -> 16* g0(11,32) -> 31* g0(32,17) -> 16* g0(6,32) -> 33* g0(17,17) -> 16* g0(3,2) -> 32*,15,16,20,10,14,13,12,7,17,9,4,1 g0(16,46) -> 17* g0(16,54) -> 17* g0(49,3) -> 17* g0(19,3) -> 20* g0(47,51) -> 16* g0(8,32) -> 29* g0(2,51) -> 16* g0(48,46) -> 20* g0(48,54) -> 20* g0(55,20) -> 16* g0(54,47) -> 32* g0(16,3) -> 17* g0(55,32) -> 16* g0(50,32) -> 16* g0(11,5) -> 13* g0(6,5) -> 7* g0(54,55) -> 32* g0(5,32) -> 30* g0(6,13) -> 33*,10,12 g0(50,50) -> 16* g0(6,29) -> 33* g0(5,50) -> 30* g0(47,20) -> 16* e0() -> 8* d0() -> 6* c0() -> 11* f0(45) -> 19* f0(30) -> 16* f0(15) -> 16* f0(32) -> 16* f0(44) -> 16* f0(18) -> 19* g1(46,47) -> 32*,16 g1(46,55) -> 32*,16 g1(47,38) -> 16* g1(2,38) -> 16* g1(37,46) -> 38* g1(32,50) -> 16* g1(48,35) -> 38* g1(37,54) -> 38* g1(17,50) -> 16* g1(54,34) -> 16* g1(49,46) -> 50*,17,41 g1(49,54) -> 17,50*,41 g1(40,35) -> 41* g1(50,41) -> 16* g1(55,51) -> 16* g1(35,47) -> 16* g1(46,34) -> 16* g1(35,55) -> 16* g1(37,35) -> 38* g1(32,41) -> 16* g1(17,41) -> 16* g1(47,51) -> 16* g1(2,51) -> 16* g1(48,46) -> 51*,20,38 g1(48,54) -> 20,38,51* g1(49,35) -> 41* g1(54,47) -> 32*,16 g1(54,55) -> 16* g1(55,38) -> 16* g1(35,34) -> 16* g1(40,46) -> 41* g1(50,50) -> 16* g1(40,54) -> 41* f1(45) -> 48*,19,37 f1(5) -> 44*,15,39 f1(54) -> 45* f1(44) -> 49*,16,40 f1(39) -> 40* f1(46) -> 45* f1(36) -> 37* f1(3) -> 45*,18,36 g2(53,55) -> 16* g2(54,52) -> 16* g2(53,52) -> 16* g2(54,55) -> 32*,16 4 -> 13* 9 -> 7* 12 -> 10* 14 -> 15* problem: Qed