/export/starexec/sandbox2/solver/bin/starexec_run_Default /export/starexec/sandbox2/benchmark/theBenchmark.xml /export/starexec/sandbox2/output/output_files -------------------------------------------------------------------------------- MAYBE Input TRS: 1: minus(minus(x,y),z) -> minus(x,plus(y,z)) 2: minus(0(),y) -> 0() 3: minus(x,0()) -> x 4: minus(s(x),s(y)) -> minus(x,y) 5: plus(0(),y) -> y 6: plus(s(x),y) -> plus(x,s(y)) 7: plus(s(x),y) -> s(plus(y,x)) 8: zero(s(x)) -> false() 9: zero(0()) -> true() 10: p(s(x)) -> x 11: p(0()) -> 0() 12: div(x,y) -> quot(x,y,0()) 13: quot(s(x),s(y),z) -> quot(minus(p(ack(0(),x)),y),s(y),s(z)) 14: quot(0(),s(y),z) -> z 15: ack(0(),x) -> s(x) 16: ack(0(),x) -> plus(x,s(0())) 17: ack(s(x),0()) -> ack(x,s(0())) 18: ack(s(x),s(y)) -> ack(x,ack(s(x),y)) Number of strict rules: 18 Direct POLO(bPol) ... failed. Uncurrying ack 1: minus(minus(x,y),z) -> minus(x,plus(y,z)) 2: minus(0(),y) -> 0() 3: minus(x,0()) -> x 4: minus(s(x),s(y)) -> minus(x,y) 5: plus(0(),y) -> y 6: plus(s(x),y) -> plus(x,s(y)) 7: plus(s(x),y) -> s(plus(y,x)) 8: zero(s(x)) -> false() 9: zero(0()) -> true() 10: p(s(x)) -> x 11: p(0()) -> 0() 12: div(x,y) -> quot(x,y,0()) 13: quot(s(x),s(y),z) -> quot(minus(p(ack^1_0(x)),y),s(y),s(z)) 14: quot(0(),s(y),z) -> z 15: ack^1_0(x) -> s(x) 16: ack^1_0(x) -> plus(x,s(0())) 17: ack^1_s(x,0()) -> ack(x,s(0())) 18: ack^1_s(x,s(y)) -> ack(x,ack^1_s(x,y)) 19: ack(0(),_1) ->= ack^1_0(_1) 20: ack(s(_1),_2) ->= ack^1_s(_1,_2) Number of strict rules: 18 Direct POLO(bPol) ... failed. Dependency Pairs: #1: #plus(s(x),y) -> #plus(x,s(y)) #2: #quot(s(x),s(y),z) -> #quot(minus(p(ack^1_0(x)),y),s(y),s(z)) #3: #quot(s(x),s(y),z) -> #minus(p(ack^1_0(x)),y) #4: #quot(s(x),s(y),z) -> #p(ack^1_0(x)) #5: #quot(s(x),s(y),z) -> #ack^1_0(x) #6: #div(x,y) -> #quot(x,y,0()) #7: #ack(s(_1),_2) ->? #ack^1_s(_1,_2) #8: #plus(s(x),y) -> #plus(y,x) #9: #ack^1_s(x,0()) -> #ack(x,s(0())) #10: #ack(0(),_1) ->? #ack^1_0(_1) #11: #ack^1_0(x) -> #plus(x,s(0())) #12: #minus(minus(x,y),z) -> #minus(x,plus(y,z)) #13: #minus(minus(x,y),z) -> #plus(y,z) #14: #minus(s(x),s(y)) -> #minus(x,y) #15: #ack^1_s(x,s(y)) -> #ack(x,ack^1_s(x,y)) #16: #ack^1_s(x,s(y)) -> #ack^1_s(x,y) Number of SCCs: 4, DPs: 9 SCC { #1 #8 } POLO(Sum)... succeeded. zero w: 0 #div w: 0 s w: x1 + 1 #ack^1_s w: 0 #ack^1_0 w: 0 minus w: 0 ack w: 0 #plus w: x1 + x2 false w: 0 div w: 0 #p w: 0 true w: 0 p w: 0 0 w: 0 quot w: 0 ack^1_0 w: 0 #minus w: 0 plus w: 0 #ack w: 0 ack^1_s w: 0 #quot w: 0 #zero w: 0 USABLE RULES: { } Removed DPs: #8 Number of SCCs: 4, DPs: 8 SCC { #1 } POLO(Sum)... succeeded. zero w: 0 #div w: 0 s w: x1 + 1 #ack^1_s w: 0 #ack^1_0 w: 0 minus w: 0 ack w: 0 #plus w: x1 false w: 0 div w: 0 #p w: 0 true w: 0 p w: 0 0 w: 0 quot w: 0 ack^1_0 w: 0 #minus w: 0 plus w: 0 #ack w: 0 ack^1_s w: 0 #quot w: 0 #zero w: 0 USABLE RULES: { } Removed DPs: #1 Number of SCCs: 3, DPs: 7 SCC { #2 } POLO(Sum)... POLO(max)... QLPOS... POLO(mSum)... QWPOpS(mSum)... Mat2b... failed. Finding a loop... failed.