Input TRS: 1: app(app(h(),z),app(e(),x)) -> app(app(h(),app(c(),z)),app(app(d(),z),x)) 2: app(app(d(),z),app(app(g(),0()),0())) -> app(e(),0()) 3: app(app(d(),z),app(app(g(),x),y)) -> app(app(g(),app(e(),x)),app(app(d(),z),y)) 4: app(app(d(),app(c(),z)),app(app(g(),app(app(g(),x),y)),0())) -> app(app(g(),app(app(d(),app(c(),z)),app(app(g(),x),y))),app(app(d(),z),app(app(g(),x),y))) 5: app(app(g(),app(e(),x)),app(e(),y)) -> app(e(),app(app(g(),x),y)) 6: app(app(map(),f),nil()) -> nil() 7: app(app(map(),f),app(app(cons(),x),xs)) -> app(app(cons(),app(f,x)),app(app(map(),f),xs)) 8: app(app(filter(),f),nil()) -> nil() 9: app(app(filter(),f),app(app(cons(),x),xs)) -> app(app(app(app(filter2(),app(f,x)),f),x),xs) 10: app(app(app(app(filter2(),true()),f),x),xs) -> app(app(cons(),x),app(app(filter(),f),xs)) 11: app(app(app(app(filter2(),false()),f),x),xs) -> app(app(filter(),f),xs) Number of strict rules: 11 Direct Order(PosReal,>,Poly) ... failed. Freezing app 1: app❆2_h(z,app❆1_e(x)) -> app❆2_h(app❆1_c(z),app❆2_d(z,x)) 2: app❆2_d(z,app❆2_g(0(),0())) -> app❆1_e(0()) 3: app❆2_d(z,app❆2_g(x,y)) -> app❆2_g(app❆1_e(x),app❆2_d(z,y)) 4: app❆2_d(app❆1_c(z),app❆2_g(app❆2_g(x,y),0())) -> app❆2_g(app❆2_d(app❆1_c(z),app❆2_g(x,y)),app❆2_d(z,app❆2_g(x,y))) 5: app❆2_g(app❆1_e(x),app❆1_e(y)) -> app❆1_e(app❆2_g(x,y)) 6: app❆2_map(f,nil()) -> nil() 7: app❆2_map(f,app❆2_cons(x,xs)) -> app❆2_cons(app(f,x),app❆2_map(f,xs)) 8: app❆2_filter(f,nil()) -> nil() 9: app❆2_filter(f,app❆2_cons(x,xs)) -> app❆4_filter2(app(f,x),f,x,xs) 10: app❆4_filter2(true(),f,x,xs) -> app❆2_cons(x,app❆2_filter(f,xs)) 11: app❆4_filter2(false(),f,x,xs) -> app❆2_filter(f,xs) 12: app(h(),_1) ->= app❆1_h(_1) 13: app(app❆1_h(_1),_2) ->= app❆2_h(_1,_2) 14: app(e(),_1) ->= app❆1_e(_1) 15: app(cons(),_1) ->= app❆1_cons(_1) 16: app(app❆1_cons(_1),_2) ->= app❆2_cons(_1,_2) 17: app(d(),_1) ->= app❆1_d(_1) 18: app(app❆1_d(_1),_2) ->= app❆2_d(_1,_2) 19: app(filter(),_1) ->= app❆1_filter(_1) 20: app(app❆1_filter(_1),_2) ->= app❆2_filter(_1,_2) 21: app(c(),_1) ->= app❆1_c(_1) 22: app(map(),_1) ->= app❆1_map(_1) 23: app(app❆1_map(_1),_2) ->= app❆2_map(_1,_2) 24: app(g(),_1) ->= app❆1_g(_1) 25: app(app❆1_g(_1),_2) ->= app❆2_g(_1,_2) 26: app(filter2(),_1) ->= app❆1_filter2(_1) 27: app(app❆1_filter2(_1),_2) ->= app❆2_filter2(_1,_2) 28: app(app❆2_filter2(_1,_2),_3) ->= app❆3_filter2(_1,_2,_3) 29: app(app❆3_filter2(_1,_2,_3),_4) ->= app❆4_filter2(_1,_2,_3,_4) Number of strict rules: 11 Direct Order(PosReal,>,Poly) ... failed. Dependency Pairs: #1: #app(app❆3_filter2(_1,_2,_3),_4) ->? #app❆4_filter2(_1,_2,_3,_4) #2: #app(app❆1_h(_1),_2) ->? #app❆2_h(_1,_2) #3: #app❆2_filter(f,app❆2_cons(x,xs)) -> #app❆4_filter2(app(f,x),f,x,xs) #4: #app❆2_filter(f,app❆2_cons(x,xs)) -> #app(f,x) #5: #app❆4_filter2(false(),f,x,xs) -> #app❆2_filter(f,xs) #6: #app(app❆1_map(_1),_2) ->? #app❆2_map(_1,_2) #7: #app(app❆1_g(_1),_2) ->? #app❆2_g(_1,_2) #8: #app(app❆1_filter(_1),_2) ->? #app❆2_filter(_1,_2) #9: #app❆2_map(f,app❆2_cons(x,xs)) -> #app(f,x) #10: #app❆2_map(f,app❆2_cons(x,xs)) -> #app❆2_map(f,xs) #11: #app❆4_filter2(true(),f,x,xs) -> #app❆2_filter(f,xs) #12: #app❆2_g(app❆1_e(x),app❆1_e(y)) -> #app❆2_g(x,y) #13: #app❆2_d(z,app❆2_g(x,y)) -> #app❆2_g(app❆1_e(x),app❆2_d(z,y)) #14: #app❆2_d(z,app❆2_g(x,y)) -> #app❆2_d(z,y) #15: #app❆2_h(z,app❆1_e(x)) -> #app❆2_h(app❆1_c(z),app❆2_d(z,x)) #16: #app❆2_h(z,app❆1_e(x)) -> #app❆2_d(z,x) #17: #app❆2_d(app❆1_c(z),app❆2_g(app❆2_g(x,y),0())) -> #app❆2_g(app❆2_d(app❆1_c(z),app❆2_g(x,y)),app❆2_d(z,app❆2_g(x,y))) #18: #app❆2_d(app❆1_c(z),app❆2_g(app❆2_g(x,y),0())) -> #app❆2_d(app❆1_c(z),app❆2_g(x,y)) #19: #app❆2_d(app❆1_c(z),app❆2_g(app❆2_g(x,y),0())) -> #app❆2_d(z,app❆2_g(x,y)) #20: #app(app❆1_d(_1),_2) ->? #app❆2_d(_1,_2) Number of SCCs: 4, DPs: 13, edges: 26 SCC { #12 } Removing DPs: Order(PosReal,>,Sum)... succeeded. app❆1_h(x1) weight: 0 h() weight: 0 #app❆2_map(x1,x2) weight: 0 #app❆2_h(x1,x2) weight: 0 d() weight: 0 app❆1_c(x1) weight: 0 app❆1_map(x1) weight: 0 app❆1_d(x1) weight: 0 app❆2_h(x1,x2) weight: 0 app❆1_e(x1) weight: (/ 1 2) + x1 app❆4_filter2(x1,x2,x3,x4) weight: 0 app❆2_map(x1,x2) weight: 0 false() weight: 0 c() weight: 0 true() weight: 0 filter2() weight: 0 app❆2_filter(x1,x2) weight: 0 #app❆2_d(x1,x2) weight: 0 0() weight: 0 nil() weight: 0 app❆1_filter(x1) weight: 0 #app(x1,x2) weight: 0 map() weight: 0 #app❆2_g(x1,x2) weight: x2 #app❆4_filter2(x1,x2,x3,x4) weight: 0 app❆2_filter2(x1,x2) weight: 0 e() weight: 0 #app❆2_filter(x1,x2) weight: 0 app❆2_d(x1,x2) weight: 0 cons() weight: 0 app❆2_cons(x1,x2) weight: 0 filter() weight: 0 app❆1_g(x1) weight: 0 app❆1_filter2(x1) weight: 0 app❆1_cons(x1) weight: 0 app❆3_filter2(x1,x2,x3) weight: 0 g() weight: 0 app❆2_g(x1,x2) weight: 0 app(x1,x2) weight: 0 Usable rules: { } Removed DPs: #12 Number of SCCs: 3, DPs: 12, edges: 25 SCC { #15 } Removing DPs: Order(PosReal,>,Sum)... Order(PosReal,>,Max)... QLPOpS... Order(PosReal,>,MaxSum)... QWPOpS(PosReal,>,MaxSum)... Order(PosReal,>,Sum-Sum; PosReal,≥,Sum-Sum)... Order(PosReal,>,Sum-Sum; NegReal,≥,Sum)... Order(PosReal,>,MaxSum-Sum; NegReal,≥,Sum)... failed. Removing edges: failed. Finding a loop... failed. MAYBE