YES Input TRS: AC symbols: plus times 1: p(s(x)) -> x 2: plus(x,0()) -> x 3: plus(x,s(y)) -> s(plus(x,y)) 4: times(x,0()) -> 0() 5: times(x,s(y)) -> plus(x,times(x,y)) 6: minus(x,0()) -> x 7: minus(s(x),s(y)) -> minus(p(s(x)),p(s(y))) 8: div(0(),s(y)) -> 0() 9: div(s(x),s(y)) -> s(div(minus(x,y),s(y))) Number of strict rules: 9 Direct POLO(bPol) ... failed. Uncurrying p AC symbols: plus times 1: p^1_s(x) -> x 2: plus(x,0()) -> x 3: plus(x,s(y)) -> s(plus(x,y)) 4: times(x,0()) -> 0() 5: times(x,s(y)) -> plus(x,times(x,y)) 6: minus(x,0()) -> x 7: minus(s(x),s(y)) -> minus(p^1_s(x),p^1_s(y)) 8: div(0(),s(y)) -> 0() 9: div(s(x),s(y)) -> s(div(minus(x,y),s(y))) 10: p(s(_1)) ->= p^1_s(_1) Number of strict rules: 9 Direct POLO(bPol) ... failed. Dependency Pairs: #1: #div(s(x),s(y)) -> #div(minus(x,y),s(y)) #2: #div(s(x),s(y)) -> #minus(x,y) #3: #plus(x,plus(y,z)) ->= #plus(plus(x,y),z) #4: #plus(x,plus(y,z)) ->= #plus(x,y) #5: #times(x,times(y,z)) ->= #times(times(x,y),z) #6: #times(x,times(y,z)) ->= #times(x,y) #7: #minus(s(x),s(y)) -> #minus(p^1_s(x),p^1_s(y)) #8: #minus(s(x),s(y)) -> #p^1_s(x) #9: #minus(s(x),s(y)) -> #p^1_s(y) #10: #p(s(_1)) ->? #p^1_s(_1) #11: #times(x,s(y)) -> #plus(x,times(x,y)) #12: #times(x,s(y)) -> #times(x,y) #13: #plus(x,s(y)) -> #plus(x,y) Number of SCCs: 4, DPs: 8 SCC { #7 } POLO(Sum)... succeeded. #div w: 0 s w: x1 + 2 #p^1_s w: 0 minus w: 0 #plus w: 0 div w: 0 p^1_s w: x1 + 1 #p w: 0 p w: 0 #times w: 0 0 w: 0 times w: 0 #minus w: x1 + x2 plus w: 0 USABLE RULES: { 1 } Removed DPs: #7 Number of SCCs: 3, DPs: 7 SCC { #1 } POLO(Sum)... succeeded. #div w: x1 s w: x1 + 2 #p^1_s w: 0 minus w: x1 + 1 #plus w: 0 div w: 0 p^1_s w: x1 + 2 #p w: 0 p w: 0 #times w: 0 0 w: 1 times w: 0 #minus w: x1 + x2 plus w: 0 USABLE RULES: { 1 6 7 } Removed DPs: #1 Number of SCCs: 2, DPs: 6 SCC { #5 #6 #12 } POLO(Sum)... POLO(max)... QLPOS... succeeded. #div s: [1,2] p: 0 s s: [1] p: 0 #p^1_s s: [] p: 0 minus s: [] p: 0 #plus s: {} p: 1 div s: [1,2] p: 0 p^1_s s: [] p: 0 #p s: [] p: 0 p s: [] p: 0 #times s: {1,2} p: 2 0 s: [] p: 0 times s: {1,2} p: 2 #minus s: [1,2] p: 0 plus s: {1,2} p: 1 USABLE RULES: { 2..5 11 12 } Removed DPs: #6 #12 Number of SCCs: 2, DPs: 4 SCC { #5 } only weak rules. Number of SCCs: 1, DPs: 3 SCC { #3 #4 #13 } POLO(Sum)... succeeded. #div w: x1 s w: x1 + 1 #p^1_s w: 0 minus w: x1 + 1 #plus w: x1 + x2 div w: 0 p^1_s w: x1 + 1 #p w: 0 p w: 0 #times w: 0 0 w: 1143 times w: x1 + x2 + 1 #minus w: x1 + x2 plus w: x1 + x2 + 2 USABLE RULES: { 1..3 6 7 11 } Removed DPs: #4 #13 Number of SCCs: 1, DPs: 1 SCC { #3 } only weak rules. Number of SCCs: 0, DPs: 0 Next Dependency Pairs: #14: #plus(plus(x,0()),_1) -> #plus(x,_1) #15: #plus(x,plus(y,z)) ->= #plus(plus(x,y),z) #16: #plus(x,plus(y,z)) ->= #plus(x,y) #17: #times(x,times(y,z)) ->= #times(times(x,y),z) #18: #times(x,times(y,z)) ->= #times(x,y) #19: #times(times(x,s(y)),_1) -> #times(plus(x,times(x,y)),_1) #20: #plus(plus(x,s(y)),_1) -> #plus(s(plus(x,y)),_1) #21: #times(times(x,0()),_1) -> #times(0(),_1) Number of SCCs: 2, DPs: 8 SCC { #17..19 #21 } POLO(Sum)... POLO(max)... QLPOS... succeeded. #div s: [1,2] p: 0 s s: [1] p: 0 #p^1_s s: [] p: 0 minus s: [] p: 0 #plus s: {} p: 1 div s: [1,2] p: 0 p^1_s s: [] p: 0 #p s: [] p: 0 p s: [] p: 0 #times s: {1,2} p: 2 0 s: [] p: 0 times s: {1,2} p: 2 #minus s: [1,2] p: 0 plus s: {1,2} p: 1 USABLE RULES: { 2..5 11 12 } Removed DPs: #18 #19 #21 Number of SCCs: 2, DPs: 5 SCC { #17 } only weak rules. Number of SCCs: 1, DPs: 4 SCC { #14..16 #20 } POLO(Sum)... succeeded. #div w: 0 s w: 42004 #p^1_s w: 0 minus w: x1 + x2 + 1 #plus w: x1 + x2 div w: 0 p^1_s w: x1 #p w: 0 p w: 0 #times w: 0 0 w: 0 times w: 31122 #minus w: x1 + x2 plus w: x1 + x2 + 2 USABLE RULES: { 1..3 6 11 } Removed DPs: #14 #16 #20 Number of SCCs: 1, DPs: 1 SCC { #15 } only weak rules. Number of SCCs: 0, DPs: 0