Input TRS: 1: fac(0()) -> 1() 2: fac(s(x)) -> *(s(x),fac(x)) 3: floop(0(),y) -> y 4: floop(s(x),y) -> floop(x,*(s(x),y)) 5: *(x,0()) -> 0() 6: *(x,s(y)) -> +(*(x,y),x) 7: +(x,0()) -> x 8: +(x,s(y)) -> s(+(x,y)) 9: 1() -> s(0()) 10: fac(0()) -> s(0()) Number of strict rules: 10 Direct Order(PosReal,>,Poly) ... failed. Freezing ... failed. Dependency Pairs: #1: #fac(s(x)) -> #*(s(x),fac(x)) #2: #fac(s(x)) -> #fac(x) #3: #*(x,s(y)) -> #+(*(x,y),x) #4: #*(x,s(y)) -> #*(x,y) #5: #fac(0()) -> #1() #6: #+(x,s(y)) -> #+(x,y) #7: #floop(s(x),y) -> #floop(x,*(s(x),y)) #8: #floop(s(x),y) -> #*(s(x),y) Number of SCCs: 4, DPs: 4, edges: 4 SCC { #2 } Removing DPs: Order(PosReal,>,Sum)... succeeded. 1() weight: 0 s(x1) weight: (/ 1 2) + x1 #fac(x1) weight: x1 #*(x1,x2) weight: 0 0() weight: 0 fac(x1) weight: 0 #floop(x1,x2) weight: 0 floop(x1,x2) weight: 0 +(x1,x2) weight: 0 #1() weight: 0 #+(x1,x2) weight: 0 *(x1,x2) weight: 0 Usable rules: { } Removed DPs: #2 Number of SCCs: 3, DPs: 3, edges: 3 SCC { #6 } Removing DPs: Order(PosReal,>,Sum)... succeeded. 1() weight: 0 s(x1) weight: (/ 1 2) + x1 #fac(x1) weight: 0 #*(x1,x2) weight: 0 0() weight: 0 fac(x1) weight: 0 #floop(x1,x2) weight: 0 floop(x1,x2) weight: 0 +(x1,x2) weight: 0 #1() weight: 0 #+(x1,x2) weight: x2 *(x1,x2) weight: 0 Usable rules: { } Removed DPs: #6 Number of SCCs: 2, DPs: 2, edges: 2 SCC { #4 } Removing DPs: Order(PosReal,>,Sum)... succeeded. 1() weight: 0 s(x1) weight: (/ 1 2) + x1 #fac(x1) weight: 0 #*(x1,x2) weight: x2 0() weight: 0 fac(x1) weight: 0 #floop(x1,x2) weight: 0 floop(x1,x2) weight: 0 +(x1,x2) weight: 0 #1() weight: 0 #+(x1,x2) weight: 0 *(x1,x2) weight: 0 Usable rules: { } Removed DPs: #4 Number of SCCs: 1, DPs: 1, edges: 1 SCC { #7 } Removing DPs: Order(PosReal,>,Sum)... succeeded. 1() weight: 0 s(x1) weight: (/ 1 2) + x1 #fac(x1) weight: 0 #*(x1,x2) weight: 0 0() weight: 0 fac(x1) weight: 0 #floop(x1,x2) weight: x1 floop(x1,x2) weight: 0 +(x1,x2) weight: (/ 3 2) #1() weight: 0 #+(x1,x2) weight: 0 *(x1,x2) weight: (/ 1 2) + x2 Usable rules: { } Removed DPs: #7 Number of SCCs: 0, DPs: 0, edges: 0 YES