Input TRS: 1: le(0(),y) -> true() 2: le(s(x),0()) -> false() 3: le(s(x),s(y)) -> le(x,y) 4: minus(0(),y) -> 0() 5: minus(s(x),y) -> if_minus(le(s(x),y),s(x),y) 6: if_minus(true(),s(x),y) -> 0() 7: if_minus(false(),s(x),y) -> s(minus(x,y)) 8: gcd(0(),y) -> y 9: gcd(s(x),0()) -> s(x) 10: gcd(s(x),s(y)) -> if_gcd(le(y,x),s(x),s(y)) 11: if_gcd(true(),s(x),s(y)) -> gcd(minus(x,y),s(y)) 12: if_gcd(false(),s(x),s(y)) -> gcd(minus(y,x),s(x)) Number of strict rules: 12 Direct Order(PosReal,>,Poly) ... failed. Freezing le 1: le❆1_0(y) -> true() 2: le❆1_s(x,0()) -> false() 3: le❆1_s(x,s(y)) -> le(x,y) 4: minus(0(),y) -> 0() 5: minus(s(x),y) -> if_minus(le❆1_s(x,y),s(x),y) 6: if_minus(true(),s(x),y) -> 0() 7: if_minus(false(),s(x),y) -> s(minus(x,y)) 8: gcd(0(),y) -> y 9: gcd(s(x),0()) -> s(x) 10: gcd(s(x),s(y)) -> if_gcd(le(y,x),s(x),s(y)) 11: if_gcd(true(),s(x),s(y)) -> gcd(minus(x,y),s(y)) 12: if_gcd(false(),s(x),s(y)) -> gcd(minus(y,x),s(x)) 13: le(0(),_1) ->= le❆1_0(_1) 14: le(s(_1),_2) ->= le❆1_s(_1,_2) Number of strict rules: 12 Direct Order(PosReal,>,Poly) ... failed. Dependency Pairs: #1: #le(0(),_1) ->? #le❆1_0(_1) #2: #if_gcd(true(),s(x),s(y)) -> #gcd(minus(x,y),s(y)) #3: #if_gcd(true(),s(x),s(y)) -> #minus(x,y) #4: #if_gcd(false(),s(x),s(y)) -> #gcd(minus(y,x),s(x)) #5: #if_gcd(false(),s(x),s(y)) -> #minus(y,x) #6: #le(s(_1),_2) ->? #le❆1_s(_1,_2) #7: #if_minus(false(),s(x),y) -> #minus(x,y) #8: #gcd(s(x),s(y)) -> #if_gcd(le(y,x),s(x),s(y)) #9: #gcd(s(x),s(y)) -> #le(y,x) #10: #minus(s(x),y) -> #if_minus(le❆1_s(x,y),s(x),y) #11: #minus(s(x),y) -> #le❆1_s(x,y) #12: #le❆1_s(x,s(y)) -> #le(x,y) Number of SCCs: 3, DPs: 7, edges: 8 SCC { #6 #12 } Removing DPs: Order(PosReal,>,Sum)... succeeded. le(x1,x2) weight: 0 s(x1) weight: (/ 1 2) + x1 #le(x1,x2) weight: x1 minus(x1,x2) weight: 0 gcd(x1,x2) weight: 0 false() weight: 0 true() weight: 0 #le❆1_0(x1) weight: 0 le❆1_s(x1,x2) weight: 0 0() weight: 0 #if_minus(x1,x2,x3) weight: 0 #le❆1_s(x1,x2) weight: (/ 1 4) + x1 #minus(x1,x2) weight: 0 if_minus(x1,x2,x3) weight: 0 if_gcd(x1,x2,x3) weight: 0 #if_gcd(x1,x2,x3) weight: 0 le❆1_0(x1) weight: 0 #gcd(x1,x2) weight: 0 Usable rules: { } Removed DPs: #6 #12 Number of SCCs: 2, DPs: 5, edges: 6 SCC { #7 #10 } Removing DPs: Order(PosReal,>,Sum)... succeeded. le(x1,x2) weight: 0 s(x1) weight: (/ 1 2) + x1 #le(x1,x2) weight: 0 minus(x1,x2) weight: 0 gcd(x1,x2) weight: 0 false() weight: 0 true() weight: 0 #le❆1_0(x1) weight: 0 le❆1_s(x1,x2) weight: (/ 1 4) + x2 0() weight: 0 #if_minus(x1,x2,x3) weight: x2 #le❆1_s(x1,x2) weight: (/ 1 4) #minus(x1,x2) weight: (/ 1 4) + x1 if_minus(x1,x2,x3) weight: 0 if_gcd(x1,x2,x3) weight: 0 #if_gcd(x1,x2,x3) weight: 0 le❆1_0(x1) weight: (/ 1 4) + x1 #gcd(x1,x2) weight: 0 Usable rules: { } Removed DPs: #7 #10 Number of SCCs: 1, DPs: 3, edges: 4 SCC { #2 #4 #8 } Removing DPs: Order(PosReal,>,Sum)... succeeded. le(x1,x2) weight: (/ 1 8) s(x1) weight: (/ 3 8) + x1 #le(x1,x2) weight: 0 minus(x1,x2) weight: (/ 1 8) + x1 gcd(x1,x2) weight: 0 false() weight: 0 true() weight: 0 #le❆1_0(x1) weight: 0 le❆1_s(x1,x2) weight: (/ 1 4) + x2 0() weight: 0 #if_minus(x1,x2,x3) weight: 0 #le❆1_s(x1,x2) weight: (/ 1 8) #minus(x1,x2) weight: (/ 1 8) if_minus(x1,x2,x3) weight: (/ 1 8) + x2 if_gcd(x1,x2,x3) weight: 0 #if_gcd(x1,x2,x3) weight: x2 + x3 le❆1_0(x1) weight: (/ 1 4) + x1 #gcd(x1,x2) weight: (/ 1 8) + x1 + x2 Usable rules: { 4..7 } Removed DPs: #2 #4 #8 Number of SCCs: 0, DPs: 0, edges: 0 YES