YES Input TRS: 1: 0(\#()) -> \#() 2: +(x,\#()) -> x 3: +(\#(),x) -> x 4: +(0(x),0(y)) -> 0(+(x,y)) 5: +(0(x),1(y)) -> 1(+(x,y)) 6: +(1(x),0(y)) -> 1(+(x,y)) 7: +(1(x),1(y)) -> 0(+(+(x,y),1(\#()))) 8: +(+(x,y),z) -> +(x,+(y,z)) 9: *(\#(),x) -> \#() 10: *(0(x),y) -> 0(*(x,y)) 11: *(1(x),y) -> +(0(*(x,y)),y) 12: *(*(x,y),z) -> *(x,*(y,z)) 13: *(x,+(y,z)) -> +(*(x,y),*(x,z)) 14: app(nil(),l) -> l 15: app(cons(x,l1),l2) -> cons(x,app(l1,l2)) 16: sum(nil()) -> 0(\#()) 17: sum(cons(x,l)) -> +(x,sum(l)) 18: sum(app(l1,l2)) -> +(sum(l1),sum(l2)) 19: prod(nil()) -> 1(\#()) 20: prod(cons(x,l)) -> *(x,prod(l)) 21: prod(app(l1,l2)) -> *(prod(l1),prod(l2)) Number of strict rules: 21 Direct POLO(bPol) ... failed. Uncurrying ... failed. Dependency Pairs: #1: #+(1(x),0(y)) -> #+(x,y) #2: #*(x,+(y,z)) -> #+(*(x,y),*(x,z)) #3: #*(x,+(y,z)) -> #*(x,y) #4: #*(x,+(y,z)) -> #*(x,z) #5: #*(1(x),y) -> #+(0(*(x,y)),y) #6: #*(1(x),y) -> #0(*(x,y)) #7: #*(1(x),y) -> #*(x,y) #8: #*(*(x,y),z) -> #*(x,*(y,z)) #9: #*(*(x,y),z) -> #*(y,z) #10: #prod(cons(x,l)) -> #*(x,prod(l)) #11: #prod(cons(x,l)) -> #prod(l) #12: #+(1(x),1(y)) -> #0(+(+(x,y),1(\#()))) #13: #+(1(x),1(y)) -> #+(+(x,y),1(\#())) #14: #+(1(x),1(y)) -> #+(x,y) #15: #*(0(x),y) -> #0(*(x,y)) #16: #*(0(x),y) -> #*(x,y) #17: #+(0(x),1(y)) -> #+(x,y) #18: #sum(cons(x,l)) -> #+(x,sum(l)) #19: #sum(cons(x,l)) -> #sum(l) #20: #prod(app(l1,l2)) -> #*(prod(l1),prod(l2)) #21: #prod(app(l1,l2)) -> #prod(l1) #22: #prod(app(l1,l2)) -> #prod(l2) #23: #sum(nil()) -> #0(\#()) #24: #+(+(x,y),z) -> #+(x,+(y,z)) #25: #+(+(x,y),z) -> #+(y,z) #26: #app(cons(x,l1),l2) -> #app(l1,l2) #27: #+(0(x),0(y)) -> #0(+(x,y)) #28: #+(0(x),0(y)) -> #+(x,y) #29: #sum(app(l1,l2)) -> #+(sum(l1),sum(l2)) #30: #sum(app(l1,l2)) -> #sum(l1) #31: #sum(app(l1,l2)) -> #sum(l2) Number of SCCs: 5, DPs: 20 SCC { #26 } POLO(Sum)... succeeded. #0 w: 0 1 w: 0 prod w: 0 #prod w: 0 #* w: 0 \# w: 0 sum w: 0 0 w: 0 nil w: 0 #app w: x1 cons w: x2 + 1 + w: 0 #sum w: 0 #+ w: 0 * w: 0 app w: 0 USABLE RULES: { } Removed DPs: #26 Number of SCCs: 4, DPs: 19 SCC { #19 #30 #31 } POLO(Sum)... succeeded. #0 w: 0 1 w: 0 prod w: 0 #prod w: 0 #* w: 0 \# w: 0 sum w: 0 0 w: 0 nil w: 0 #app w: 0 cons w: x2 + 1 + w: 0 #sum w: x1 #+ w: 0 * w: 0 app w: x1 + x2 + 1 USABLE RULES: { } Removed DPs: #19 #30 #31 Number of SCCs: 3, DPs: 16 SCC { #11 #21 #22 } POLO(Sum)... succeeded. #0 w: 0 1 w: 0 prod w: 0 #prod w: x1 #* w: 0 \# w: 0 sum w: 0 0 w: 0 nil w: 0 #app w: 0 cons w: x2 + 1 + w: 0 #sum w: 0 #+ w: 0 * w: 0 app w: x1 + x2 + 1 USABLE RULES: { } Removed DPs: #11 #21 #22 Number of SCCs: 2, DPs: 13 SCC { #3 #4 #7..9 #16 } POLO(Sum)... succeeded. #0 w: 0 1 w: x1 + 2 prod w: 0 #prod w: 0 #* w: x1 \# w: 1 sum w: 0 0 w: x1 + 1 nil w: 0 #app w: 0 cons w: 1 + w: x2 + 4 #sum w: 0 #+ w: 0 * w: x1 + x2 + 1 app w: 1 USABLE RULES: { } Removed DPs: #7..9 #16 Number of SCCs: 2, DPs: 9 SCC { #3 #4 } POLO(Sum)... POLO(max)... succeeded. #0 w: 0 1 w: 0 prod w: 0 #prod w: 0 #* w: max(x2 + 1) \# w: 0 sum w: 0 0 w: 0 nil w: 0 #app w: 0 cons w: 0 + w: max(x1 + 1, x2) #sum w: 0 #+ w: 0 * w: 0 app w: 0 USABLE RULES: { } Removed DPs: #3 Number of SCCs: 2, DPs: 8 SCC { #4 } POLO(Sum)... POLO(max)... succeeded. #0 w: 0 1 w: 0 prod w: 0 #prod w: 0 #* w: max(x2 + 11293) \# w: 0 sum w: 0 0 w: 0 nil w: 0 #app w: 0 cons w: 0 + w: max(x2 + 21239) #sum w: 0 #+ w: 0 * w: 0 app w: 0 USABLE RULES: { } Removed DPs: #4 Number of SCCs: 1, DPs: 7 SCC { #1 #13 #14 #17 #24 #25 #28 } POLO(Sum)... succeeded. #0 w: 0 1 w: x1 + 20540 prod w: 0 #prod w: 0 #* w: 0 \# w: 1 sum w: 0 0 w: x1 + 1 nil w: 0 #app w: 0 cons w: 1 + w: x1 + x2 + 20538 #sum w: 0 #+ w: x1 + x2 * w: x1 + 24867 app w: 1 USABLE RULES: { 1..8 } Removed DPs: #1 #13 #14 #17 #25 #28 Number of SCCs: 1, DPs: 1 SCC { #24 } POLO(Sum)... succeeded. #0 w: 0 1 w: x1 + 53549 prod w: 0 #prod w: 0 #* w: 0 \# w: 1 sum w: 0 0 w: x1 + 53547 nil w: 0 #app w: 0 cons w: 1 + w: x1 + x2 + 1 #sum w: 0 #+ w: x1 * w: x1 + 1 app w: 1 USABLE RULES: { 1..8 } Removed DPs: #24 Number of SCCs: 0, DPs: 0