Input TRS: 1: app(app(plus(),0()),y) -> y 2: app(app(plus(),app(s(),x)),y) -> app(s(),app(app(plus(),x),y)) 3: app(app(times(),0()),y) -> 0() 4: app(app(times(),app(s(),x)),y) -> app(app(plus(),app(app(times(),x),y)),y) 5: app(app(app(comp(),f),g),x) -> app(f,app(g,x)) 6: app(twice(),f) -> app(app(comp(),f),f) Number of strict rules: 6 Direct Order(PosReal,>,Poly) ... failed. Freezing app 1: app❆2_plus(0(),y) -> y 2: app❆2_plus(app❆1_s(x),y) -> app❆1_s(app❆2_plus(x,y)) 3: app❆2_times(0(),y) -> 0() 4: app❆2_times(app❆1_s(x),y) -> app❆2_plus(app❆2_times(x,y),y) 5: app❆3_comp(f,g,x) -> app(f,app(g,x)) 6: app❆1_twice(f) -> app❆2_comp(f,f) 7: app(plus(),_1) ->= app❆1_plus(_1) 8: app(app❆1_plus(_1),_2) ->= app❆2_plus(_1,_2) 9: app(times(),_1) ->= app❆1_times(_1) 10: app(app❆1_times(_1),_2) ->= app❆2_times(_1,_2) 11: app(s(),_1) ->= app❆1_s(_1) 12: app(twice(),_1) ->= app❆1_twice(_1) 13: app(comp(),_1) ->= app❆1_comp(_1) 14: app(app❆1_comp(_1),_2) ->= app❆2_comp(_1,_2) 15: app(app❆2_comp(_1,_2),_3) ->= app❆3_comp(_1,_2,_3) Number of strict rules: 6 Direct Order(PosReal,>,Poly) ... failed. Dependency Pairs: #1: #app❆2_plus(app❆1_s(x),y) -> #app❆2_plus(x,y) #2: #app(twice(),_1) ->? #app❆1_twice(_1) #3: #app(app❆1_times(_1),_2) ->? #app❆2_times(_1,_2) #4: #app❆3_comp(f,g,x) -> #app(f,app(g,x)) #5: #app❆3_comp(f,g,x) -> #app(g,x) #6: #app(app❆1_plus(_1),_2) ->? #app❆2_plus(_1,_2) #7: #app(app❆2_comp(_1,_2),_3) ->? #app❆3_comp(_1,_2,_3) #8: #app❆2_times(app❆1_s(x),y) -> #app❆2_plus(app❆2_times(x,y),y) #9: #app❆2_times(app❆1_s(x),y) -> #app❆2_times(x,y) Number of SCCs: 3, DPs: 5, edges: 6 SCC { #1 } Removing DPs: Order(PosReal,>,Sum)... succeeded. s() weight: 0 app❆1_plus(x1) weight: 0 twice() weight: 0 app❆2_comp(x1,x2) weight: 0 app❆2_plus(x1,x2) weight: 0 app❆1_comp(x1) weight: 0 0() weight: 0 #app❆2_plus(x1,x2) weight: x1 times() weight: 0 #app(x1,x2) weight: 0 #app❆3_comp(x1,x2,x3) weight: 0 #app❆2_times(x1,x2) weight: 0 plus() weight: 0 app❆2_times(x1,x2) weight: 0 #app❆1_twice(x1) weight: 0 app❆1_s(x1) weight: (/ 1 2) + x1 app❆3_comp(x1,x2,x3) weight: 0 app❆1_twice(x1) weight: 0 app❆1_times(x1) weight: 0 comp() weight: 0 app(x1,x2) weight: 0 Usable rules: { } Removed DPs: #1 Number of SCCs: 2, DPs: 4, edges: 5 SCC { #9 } Removing DPs: Order(PosReal,>,Sum)... succeeded. s() weight: 0 app❆1_plus(x1) weight: 0 twice() weight: 0 app❆2_comp(x1,x2) weight: 0 app❆2_plus(x1,x2) weight: 0 app❆1_comp(x1) weight: 0 0() weight: 0 #app❆2_plus(x1,x2) weight: 0 times() weight: 0 #app(x1,x2) weight: 0 #app❆3_comp(x1,x2,x3) weight: 0 #app❆2_times(x1,x2) weight: x1 plus() weight: 0 app❆2_times(x1,x2) weight: 0 #app❆1_twice(x1) weight: 0 app❆1_s(x1) weight: (/ 1 2) + x1 app❆3_comp(x1,x2,x3) weight: 0 app❆1_twice(x1) weight: 0 app❆1_times(x1) weight: 0 comp() weight: 0 app(x1,x2) weight: 0 Usable rules: { } Removed DPs: #9 Number of SCCs: 1, DPs: 3, edges: 4 SCC { #4 #5 #7 } Removing DPs: Order(PosReal,>,Sum)... succeeded. s() weight: 0 app❆1_plus(x1) weight: (/ 1 2) + x1 twice() weight: 0 app❆2_comp(x1,x2) weight: (/ 3 4) + x1 + x2 app❆2_plus(x1,x2) weight: (/ 1 2) + x1 app❆1_comp(x1) weight: (/ 1 2) + x1 0() weight: 0 #app❆2_plus(x1,x2) weight: 0 times() weight: 0 #app(x1,x2) weight: x1 #app❆3_comp(x1,x2,x3) weight: (/ 1 4) + x1 + x2 #app❆2_times(x1,x2) weight: 0 plus() weight: 0 app❆2_times(x1,x2) weight: (/ 1 2) #app❆1_twice(x1) weight: 0 app❆1_s(x1) weight: (/ 1 2) + x1 app❆3_comp(x1,x2,x3) weight: x2 app❆1_twice(x1) weight: (/ 1 2) app❆1_times(x1) weight: (/ 1 2) + x1 comp() weight: 0 app(x1,x2) weight: (/ 1 4) Usable rules: { } Removed DPs: #4 #5 #7 Number of SCCs: 0, DPs: 0, edges: 0 YES