YES Problem: minus_active(0(),y) -> 0() mark(0()) -> 0() minus_active(s(x),s(y)) -> minus_active(x,y) mark(s(x)) -> s(mark(x)) ge_active(x,0()) -> true() mark(minus(x,y)) -> minus_active(x,y) ge_active(0(),s(y)) -> false() mark(ge(x,y)) -> ge_active(x,y) ge_active(s(x),s(y)) -> ge_active(x,y) mark(div(x,y)) -> div_active(mark(x),y) div_active(0(),s(y)) -> 0() mark(if(x,y,z)) -> if_active(mark(x),y,z) div_active(s(x),s(y)) -> if_active(ge_active(x,y),s(div(minus(x,y),s(y))),0()) if_active(true(),x,y) -> mark(x) minus_active(x,y) -> minus(x,y) if_active(false(),x,y) -> mark(y) ge_active(x,y) -> ge(x,y) if_active(x,y,z) -> if(x,y,z) div_active(x,y) -> div(x,y) Proof: DP Processor: DPs: minus_active#(s(x),s(y)) -> minus_active#(x,y) mark#(s(x)) -> mark#(x) mark#(minus(x,y)) -> minus_active#(x,y) mark#(ge(x,y)) -> ge_active#(x,y) ge_active#(s(x),s(y)) -> ge_active#(x,y) mark#(div(x,y)) -> mark#(x) mark#(div(x,y)) -> div_active#(mark(x),y) mark#(if(x,y,z)) -> mark#(x) mark#(if(x,y,z)) -> if_active#(mark(x),y,z) div_active#(s(x),s(y)) -> ge_active#(x,y) div_active#(s(x),s(y)) -> if_active#(ge_active(x,y),s(div(minus(x,y),s(y))),0()) if_active#(true(),x,y) -> mark#(x) if_active#(false(),x,y) -> mark#(y) TRS: minus_active(0(),y) -> 0() mark(0()) -> 0() minus_active(s(x),s(y)) -> minus_active(x,y) mark(s(x)) -> s(mark(x)) ge_active(x,0()) -> true() mark(minus(x,y)) -> minus_active(x,y) ge_active(0(),s(y)) -> false() mark(ge(x,y)) -> ge_active(x,y) ge_active(s(x),s(y)) -> ge_active(x,y) mark(div(x,y)) -> div_active(mark(x),y) div_active(0(),s(y)) -> 0() mark(if(x,y,z)) -> if_active(mark(x),y,z) div_active(s(x),s(y)) -> if_active(ge_active(x,y),s(div(minus(x,y),s(y))),0()) if_active(true(),x,y) -> mark(x) minus_active(x,y) -> minus(x,y) if_active(false(),x,y) -> mark(y) ge_active(x,y) -> ge(x,y) if_active(x,y,z) -> if(x,y,z) div_active(x,y) -> div(x,y) EDG Processor: DPs: minus_active#(s(x),s(y)) -> minus_active#(x,y) mark#(s(x)) -> mark#(x) mark#(minus(x,y)) -> minus_active#(x,y) mark#(ge(x,y)) -> ge_active#(x,y) ge_active#(s(x),s(y)) -> ge_active#(x,y) mark#(div(x,y)) -> mark#(x) mark#(div(x,y)) -> div_active#(mark(x),y) mark#(if(x,y,z)) -> mark#(x) mark#(if(x,y,z)) -> if_active#(mark(x),y,z) div_active#(s(x),s(y)) -> ge_active#(x,y) div_active#(s(x),s(y)) -> if_active#(ge_active(x,y),s(div(minus(x,y),s(y))),0()) if_active#(true(),x,y) -> mark#(x) if_active#(false(),x,y) -> mark#(y) TRS: minus_active(0(),y) -> 0() mark(0()) -> 0() minus_active(s(x),s(y)) -> minus_active(x,y) mark(s(x)) -> s(mark(x)) ge_active(x,0()) -> true() mark(minus(x,y)) -> minus_active(x,y) ge_active(0(),s(y)) -> false() mark(ge(x,y)) -> ge_active(x,y) ge_active(s(x),s(y)) -> ge_active(x,y) mark(div(x,y)) -> div_active(mark(x),y) div_active(0(),s(y)) -> 0() mark(if(x,y,z)) -> if_active(mark(x),y,z) div_active(s(x),s(y)) -> if_active(ge_active(x,y),s(div(minus(x,y),s(y))),0()) if_active(true(),x,y) -> mark(x) minus_active(x,y) -> minus(x,y) if_active(false(),x,y) -> mark(y) ge_active(x,y) -> ge(x,y) if_active(x,y,z) -> if(x,y,z) div_active(x,y) -> div(x,y) graph: if_active#(false(),x,y) -> mark#(y) -> mark#(s(x)) -> mark#(x) if_active#(false(),x,y) -> mark#(y) -> mark#(minus(x,y)) -> minus_active#(x,y) if_active#(false(),x,y) -> mark#(y) -> mark#(ge(x,y)) -> ge_active#(x,y) if_active#(false(),x,y) -> mark#(y) -> mark#(div(x,y)) -> mark#(x) if_active#(false(),x,y) -> mark#(y) -> mark#(div(x,y)) -> div_active#(mark(x),y) if_active#(false(),x,y) -> mark#(y) -> mark#(if(x,y,z)) -> mark#(x) if_active#(false(),x,y) -> mark#(y) -> mark#(if(x,y,z)) -> if_active#(mark(x),y,z) if_active#(true(),x,y) -> mark#(x) -> mark#(s(x)) -> mark#(x) if_active#(true(),x,y) -> mark#(x) -> mark#(minus(x,y)) -> minus_active#(x,y) if_active#(true(),x,y) -> mark#(x) -> mark#(ge(x,y)) -> ge_active#(x,y) if_active#(true(),x,y) -> mark#(x) -> mark#(div(x,y)) -> mark#(x) if_active#(true(),x,y) -> mark#(x) -> mark#(div(x,y)) -> div_active#(mark(x),y) if_active#(true(),x,y) -> mark#(x) -> mark#(if(x,y,z)) -> mark#(x) if_active#(true(),x,y) -> mark#(x) -> mark#(if(x,y,z)) -> if_active#(mark(x),y,z) div_active#(s(x),s(y)) -> if_active#(ge_active(x,y),s(div(minus(x,y),s(y))),0()) -> if_active#(true(),x,y) -> mark#(x) div_active#(s(x),s(y)) -> if_active#(ge_active(x,y),s(div(minus(x,y),s(y))),0()) -> if_active#(false(),x,y) -> mark#(y) div_active#(s(x),s(y)) -> ge_active#(x,y) -> ge_active#(s(x),s(y)) -> ge_active#(x,y) ge_active#(s(x),s(y)) -> ge_active#(x,y) -> ge_active#(s(x),s(y)) -> ge_active#(x,y) mark#(if(x,y,z)) -> if_active#(mark(x),y,z) -> if_active#(true(),x,y) -> mark#(x) mark#(if(x,y,z)) -> if_active#(mark(x),y,z) -> if_active#(false(),x,y) -> mark#(y) mark#(if(x,y,z)) -> mark#(x) -> mark#(s(x)) -> mark#(x) mark#(if(x,y,z)) -> mark#(x) -> mark#(minus(x,y)) -> minus_active#(x,y) mark#(if(x,y,z)) -> mark#(x) -> mark#(ge(x,y)) -> ge_active#(x,y) mark#(if(x,y,z)) -> mark#(x) -> mark#(div(x,y)) -> mark#(x) mark#(if(x,y,z)) -> mark#(x) -> mark#(div(x,y)) -> div_active#(mark(x),y) mark#(if(x,y,z)) -> mark#(x) -> mark#(if(x,y,z)) -> mark#(x) mark#(if(x,y,z)) -> mark#(x) -> mark#(if(x,y,z)) -> if_active#(mark(x),y,z) mark#(div(x,y)) -> div_active#(mark(x),y) -> div_active#(s(x),s(y)) -> ge_active#(x,y) mark#(div(x,y)) -> div_active#(mark(x),y) -> div_active#(s(x),s(y)) -> if_active#(ge_active(x,y),s(div(minus(x,y),s(y))),0()) mark#(div(x,y)) -> mark#(x) -> mark#(s(x)) -> mark#(x) mark#(div(x,y)) -> mark#(x) -> mark#(minus(x,y)) -> minus_active#(x,y) mark#(div(x,y)) -> mark#(x) -> mark#(ge(x,y)) -> ge_active#(x,y) mark#(div(x,y)) -> mark#(x) -> mark#(div(x,y)) -> mark#(x) mark#(div(x,y)) -> mark#(x) -> mark#(div(x,y)) -> div_active#(mark(x),y) mark#(div(x,y)) -> mark#(x) -> mark#(if(x,y,z)) -> mark#(x) mark#(div(x,y)) -> mark#(x) -> mark#(if(x,y,z)) -> if_active#(mark(x),y,z) mark#(ge(x,y)) -> ge_active#(x,y) -> ge_active#(s(x),s(y)) -> ge_active#(x,y) mark#(minus(x,y)) -> minus_active#(x,y) -> minus_active#(s(x),s(y)) -> minus_active#(x,y) mark#(s(x)) -> mark#(x) -> mark#(s(x)) -> mark#(x) mark#(s(x)) -> mark#(x) -> mark#(minus(x,y)) -> minus_active#(x,y) mark#(s(x)) -> mark#(x) -> mark#(ge(x,y)) -> ge_active#(x,y) mark#(s(x)) -> mark#(x) -> mark#(div(x,y)) -> mark#(x) mark#(s(x)) -> mark#(x) -> mark#(div(x,y)) -> div_active#(mark(x),y) mark#(s(x)) -> mark#(x) -> mark#(if(x,y,z)) -> mark#(x) mark#(s(x)) -> mark#(x) -> mark#(if(x,y,z)) -> if_active#(mark(x),y,z) minus_active#(s(x),s(y)) -> minus_active#(x,y) -> minus_active#(s(x),s(y)) -> minus_active#(x,y) SCC Processor: #sccs: 3 #rules: 10 #arcs: 46/169 DPs: if_active#(false(),x,y) -> mark#(y) mark#(if(x,y,z)) -> if_active#(mark(x),y,z) if_active#(true(),x,y) -> mark#(x) mark#(if(x,y,z)) -> mark#(x) mark#(div(x,y)) -> div_active#(mark(x),y) div_active#(s(x),s(y)) -> if_active#(ge_active(x,y),s(div(minus(x,y),s(y))),0()) mark#(div(x,y)) -> mark#(x) mark#(s(x)) -> mark#(x) TRS: minus_active(0(),y) -> 0() mark(0()) -> 0() minus_active(s(x),s(y)) -> minus_active(x,y) mark(s(x)) -> s(mark(x)) ge_active(x,0()) -> true() mark(minus(x,y)) -> minus_active(x,y) ge_active(0(),s(y)) -> false() mark(ge(x,y)) -> ge_active(x,y) ge_active(s(x),s(y)) -> ge_active(x,y) mark(div(x,y)) -> div_active(mark(x),y) div_active(0(),s(y)) -> 0() mark(if(x,y,z)) -> if_active(mark(x),y,z) div_active(s(x),s(y)) -> if_active(ge_active(x,y),s(div(minus(x,y),s(y))),0()) if_active(true(),x,y) -> mark(x) minus_active(x,y) -> minus(x,y) if_active(false(),x,y) -> mark(y) ge_active(x,y) -> ge(x,y) if_active(x,y,z) -> if(x,y,z) div_active(x,y) -> div(x,y) Matrix Interpretation Processor: dimension: 1 interpretation: [if_active#](x0, x1, x2) = x1 + x2, [div_active#](x0, x1) = x0, [mark#](x0) = x0, [if_active](x0, x1, x2) = x0 + x1 + x2, [if](x0, x1, x2) = x0 + x1 + x2, [div_active](x0, x1) = x0, [div](x0, x1) = x0, [ge](x0, x1) = 0, [false] = 0, [minus](x0, x1) = 0, [true] = 0, [ge_active](x0, x1) = 0, [s](x0) = x0 + 1, [mark](x0) = x0, [minus_active](x0, x1) = 0, [0] = 0 orientation: if_active#(false(),x,y) = x + y >= y = mark#(y) mark#(if(x,y,z)) = x + y + z >= y + z = if_active#(mark(x),y,z) if_active#(true(),x,y) = x + y >= x = mark#(x) mark#(if(x,y,z)) = x + y + z >= x = mark#(x) mark#(div(x,y)) = x >= x = div_active#(mark(x),y) div_active#(s(x),s(y)) = x + 1 >= 1 = if_active#(ge_active(x,y),s(div(minus(x,y),s(y))),0()) mark#(div(x,y)) = x >= x = mark#(x) mark#(s(x)) = x + 1 >= x = mark#(x) minus_active(0(),y) = 0 >= 0 = 0() mark(0()) = 0 >= 0 = 0() minus_active(s(x),s(y)) = 0 >= 0 = minus_active(x,y) mark(s(x)) = x + 1 >= x + 1 = s(mark(x)) ge_active(x,0()) = 0 >= 0 = true() mark(minus(x,y)) = 0 >= 0 = minus_active(x,y) ge_active(0(),s(y)) = 0 >= 0 = false() mark(ge(x,y)) = 0 >= 0 = ge_active(x,y) ge_active(s(x),s(y)) = 0 >= 0 = ge_active(x,y) mark(div(x,y)) = x >= x = div_active(mark(x),y) div_active(0(),s(y)) = 0 >= 0 = 0() mark(if(x,y,z)) = x + y + z >= x + y + z = if_active(mark(x),y,z) div_active(s(x),s(y)) = x + 1 >= 1 = if_active(ge_active(x,y),s(div(minus(x,y),s(y))),0()) if_active(true(),x,y) = x + y >= x = mark(x) minus_active(x,y) = 0 >= 0 = minus(x,y) if_active(false(),x,y) = x + y >= y = mark(y) ge_active(x,y) = 0 >= 0 = ge(x,y) if_active(x,y,z) = x + y + z >= x + y + z = if(x,y,z) div_active(x,y) = x >= x = div(x,y) problem: DPs: if_active#(false(),x,y) -> mark#(y) mark#(if(x,y,z)) -> if_active#(mark(x),y,z) if_active#(true(),x,y) -> mark#(x) mark#(if(x,y,z)) -> mark#(x) mark#(div(x,y)) -> div_active#(mark(x),y) div_active#(s(x),s(y)) -> if_active#(ge_active(x,y),s(div(minus(x,y),s(y))),0()) mark#(div(x,y)) -> mark#(x) TRS: minus_active(0(),y) -> 0() mark(0()) -> 0() minus_active(s(x),s(y)) -> minus_active(x,y) mark(s(x)) -> s(mark(x)) ge_active(x,0()) -> true() mark(minus(x,y)) -> minus_active(x,y) ge_active(0(),s(y)) -> false() mark(ge(x,y)) -> ge_active(x,y) ge_active(s(x),s(y)) -> ge_active(x,y) mark(div(x,y)) -> div_active(mark(x),y) div_active(0(),s(y)) -> 0() mark(if(x,y,z)) -> if_active(mark(x),y,z) div_active(s(x),s(y)) -> if_active(ge_active(x,y),s(div(minus(x,y),s(y))),0()) if_active(true(),x,y) -> mark(x) minus_active(x,y) -> minus(x,y) if_active(false(),x,y) -> mark(y) ge_active(x,y) -> ge(x,y) if_active(x,y,z) -> if(x,y,z) div_active(x,y) -> div(x,y) Matrix Interpretation Processor: dimension: 1 interpretation: [if_active#](x0, x1, x2) = x1 + x2, [div_active#](x0, x1) = 0, [mark#](x0) = x0, [if_active](x0, x1, x2) = x0 + x1 + x2, [if](x0, x1, x2) = x0 + x1 + x2, [div_active](x0, x1) = x0 + 1, [div](x0, x1) = x0 + 1, [ge](x0, x1) = 0, [false] = 0, [minus](x0, x1) = 0, [true] = 0, [ge_active](x0, x1) = 0, [s](x0) = 0, [mark](x0) = x0, [minus_active](x0, x1) = 0, [0] = 0 orientation: if_active#(false(),x,y) = x + y >= y = mark#(y) mark#(if(x,y,z)) = x + y + z >= y + z = if_active#(mark(x),y,z) if_active#(true(),x,y) = x + y >= x = mark#(x) mark#(if(x,y,z)) = x + y + z >= x = mark#(x) mark#(div(x,y)) = x + 1 >= 0 = div_active#(mark(x),y) div_active#(s(x),s(y)) = 0 >= 0 = if_active#(ge_active(x,y),s(div(minus(x,y),s(y))),0()) mark#(div(x,y)) = x + 1 >= x = mark#(x) minus_active(0(),y) = 0 >= 0 = 0() mark(0()) = 0 >= 0 = 0() minus_active(s(x),s(y)) = 0 >= 0 = minus_active(x,y) mark(s(x)) = 0 >= 0 = s(mark(x)) ge_active(x,0()) = 0 >= 0 = true() mark(minus(x,y)) = 0 >= 0 = minus_active(x,y) ge_active(0(),s(y)) = 0 >= 0 = false() mark(ge(x,y)) = 0 >= 0 = ge_active(x,y) ge_active(s(x),s(y)) = 0 >= 0 = ge_active(x,y) mark(div(x,y)) = x + 1 >= x + 1 = div_active(mark(x),y) div_active(0(),s(y)) = 1 >= 0 = 0() mark(if(x,y,z)) = x + y + z >= x + y + z = if_active(mark(x),y,z) div_active(s(x),s(y)) = 1 >= 0 = if_active(ge_active(x,y),s(div(minus(x,y),s(y))),0()) if_active(true(),x,y) = x + y >= x = mark(x) minus_active(x,y) = 0 >= 0 = minus(x,y) if_active(false(),x,y) = x + y >= y = mark(y) ge_active(x,y) = 0 >= 0 = ge(x,y) if_active(x,y,z) = x + y + z >= x + y + z = if(x,y,z) div_active(x,y) = x + 1 >= x + 1 = div(x,y) problem: DPs: if_active#(false(),x,y) -> mark#(y) mark#(if(x,y,z)) -> if_active#(mark(x),y,z) if_active#(true(),x,y) -> mark#(x) mark#(if(x,y,z)) -> mark#(x) div_active#(s(x),s(y)) -> if_active#(ge_active(x,y),s(div(minus(x,y),s(y))),0()) TRS: minus_active(0(),y) -> 0() mark(0()) -> 0() minus_active(s(x),s(y)) -> minus_active(x,y) mark(s(x)) -> s(mark(x)) ge_active(x,0()) -> true() mark(minus(x,y)) -> minus_active(x,y) ge_active(0(),s(y)) -> false() mark(ge(x,y)) -> ge_active(x,y) ge_active(s(x),s(y)) -> ge_active(x,y) mark(div(x,y)) -> div_active(mark(x),y) div_active(0(),s(y)) -> 0() mark(if(x,y,z)) -> if_active(mark(x),y,z) div_active(s(x),s(y)) -> if_active(ge_active(x,y),s(div(minus(x,y),s(y))),0()) if_active(true(),x,y) -> mark(x) minus_active(x,y) -> minus(x,y) if_active(false(),x,y) -> mark(y) ge_active(x,y) -> ge(x,y) if_active(x,y,z) -> if(x,y,z) div_active(x,y) -> div(x,y) Matrix Interpretation Processor: dimension: 1 interpretation: [if_active#](x0, x1, x2) = 0, [div_active#](x0, x1) = 1, [mark#](x0) = 0, [if_active](x0, x1, x2) = x0, [if](x0, x1, x2) = x0, [div_active](x0, x1) = 1, [div](x0, x1) = 0, [ge](x0, x1) = 0, [false] = 1, [minus](x0, x1) = 0, [true] = 1, [ge_active](x0, x1) = 1, [s](x0) = 0, [mark](x0) = 1, [minus_active](x0, x1) = 0, [0] = 0 orientation: if_active#(false(),x,y) = 0 >= 0 = mark#(y) mark#(if(x,y,z)) = 0 >= 0 = if_active#(mark(x),y,z) if_active#(true(),x,y) = 0 >= 0 = mark#(x) mark#(if(x,y,z)) = 0 >= 0 = mark#(x) div_active#(s(x),s(y)) = 1 >= 0 = if_active#(ge_active(x,y),s(div(minus(x,y),s(y))),0()) minus_active(0(),y) = 0 >= 0 = 0() mark(0()) = 1 >= 0 = 0() minus_active(s(x),s(y)) = 0 >= 0 = minus_active(x,y) mark(s(x)) = 1 >= 0 = s(mark(x)) ge_active(x,0()) = 1 >= 1 = true() mark(minus(x,y)) = 1 >= 0 = minus_active(x,y) ge_active(0(),s(y)) = 1 >= 1 = false() mark(ge(x,y)) = 1 >= 1 = ge_active(x,y) ge_active(s(x),s(y)) = 1 >= 1 = ge_active(x,y) mark(div(x,y)) = 1 >= 1 = div_active(mark(x),y) div_active(0(),s(y)) = 1 >= 0 = 0() mark(if(x,y,z)) = 1 >= 1 = if_active(mark(x),y,z) div_active(s(x),s(y)) = 1 >= 1 = if_active(ge_active(x,y),s(div(minus(x,y),s(y))),0()) if_active(true(),x,y) = 1 >= 1 = mark(x) minus_active(x,y) = 0 >= 0 = minus(x,y) if_active(false(),x,y) = 1 >= 1 = mark(y) ge_active(x,y) = 1 >= 0 = ge(x,y) if_active(x,y,z) = x >= x = if(x,y,z) div_active(x,y) = 1 >= 0 = div(x,y) problem: DPs: if_active#(false(),x,y) -> mark#(y) mark#(if(x,y,z)) -> if_active#(mark(x),y,z) if_active#(true(),x,y) -> mark#(x) mark#(if(x,y,z)) -> mark#(x) TRS: minus_active(0(),y) -> 0() mark(0()) -> 0() minus_active(s(x),s(y)) -> minus_active(x,y) mark(s(x)) -> s(mark(x)) ge_active(x,0()) -> true() mark(minus(x,y)) -> minus_active(x,y) ge_active(0(),s(y)) -> false() mark(ge(x,y)) -> ge_active(x,y) ge_active(s(x),s(y)) -> ge_active(x,y) mark(div(x,y)) -> div_active(mark(x),y) div_active(0(),s(y)) -> 0() mark(if(x,y,z)) -> if_active(mark(x),y,z) div_active(s(x),s(y)) -> if_active(ge_active(x,y),s(div(minus(x,y),s(y))),0()) if_active(true(),x,y) -> mark(x) minus_active(x,y) -> minus(x,y) if_active(false(),x,y) -> mark(y) ge_active(x,y) -> ge(x,y) if_active(x,y,z) -> if(x,y,z) div_active(x,y) -> div(x,y) Matrix Interpretation Processor: dimension: 1 interpretation: [if_active#](x0, x1, x2) = x1 + x2, [mark#](x0) = x0, [if_active](x0, x1, x2) = x0 + x1 + x2 + 1, [if](x0, x1, x2) = x0 + x1 + x2 + 1, [div_active](x0, x1) = 1, [div](x0, x1) = 1, [ge](x0, x1) = 0, [false] = 0, [minus](x0, x1) = 0, [true] = 0, [ge_active](x0, x1) = 0, [s](x0) = 0, [mark](x0) = x0, [minus_active](x0, x1) = 0, [0] = 0 orientation: if_active#(false(),x,y) = x + y >= y = mark#(y) mark#(if(x,y,z)) = x + y + z + 1 >= y + z = if_active#(mark(x),y,z) if_active#(true(),x,y) = x + y >= x = mark#(x) mark#(if(x,y,z)) = x + y + z + 1 >= x = mark#(x) minus_active(0(),y) = 0 >= 0 = 0() mark(0()) = 0 >= 0 = 0() minus_active(s(x),s(y)) = 0 >= 0 = minus_active(x,y) mark(s(x)) = 0 >= 0 = s(mark(x)) ge_active(x,0()) = 0 >= 0 = true() mark(minus(x,y)) = 0 >= 0 = minus_active(x,y) ge_active(0(),s(y)) = 0 >= 0 = false() mark(ge(x,y)) = 0 >= 0 = ge_active(x,y) ge_active(s(x),s(y)) = 0 >= 0 = ge_active(x,y) mark(div(x,y)) = 1 >= 1 = div_active(mark(x),y) div_active(0(),s(y)) = 1 >= 0 = 0() mark(if(x,y,z)) = x + y + z + 1 >= x + y + z + 1 = if_active(mark(x),y,z) div_active(s(x),s(y)) = 1 >= 1 = if_active(ge_active(x,y),s(div(minus(x,y),s(y))),0()) if_active(true(),x,y) = x + y + 1 >= x = mark(x) minus_active(x,y) = 0 >= 0 = minus(x,y) if_active(false(),x,y) = x + y + 1 >= y = mark(y) ge_active(x,y) = 0 >= 0 = ge(x,y) if_active(x,y,z) = x + y + z + 1 >= x + y + z + 1 = if(x,y,z) div_active(x,y) = 1 >= 1 = div(x,y) problem: DPs: if_active#(false(),x,y) -> mark#(y) if_active#(true(),x,y) -> mark#(x) TRS: minus_active(0(),y) -> 0() mark(0()) -> 0() minus_active(s(x),s(y)) -> minus_active(x,y) mark(s(x)) -> s(mark(x)) ge_active(x,0()) -> true() mark(minus(x,y)) -> minus_active(x,y) ge_active(0(),s(y)) -> false() mark(ge(x,y)) -> ge_active(x,y) ge_active(s(x),s(y)) -> ge_active(x,y) mark(div(x,y)) -> div_active(mark(x),y) div_active(0(),s(y)) -> 0() mark(if(x,y,z)) -> if_active(mark(x),y,z) div_active(s(x),s(y)) -> if_active(ge_active(x,y),s(div(minus(x,y),s(y))),0()) if_active(true(),x,y) -> mark(x) minus_active(x,y) -> minus(x,y) if_active(false(),x,y) -> mark(y) ge_active(x,y) -> ge(x,y) if_active(x,y,z) -> if(x,y,z) div_active(x,y) -> div(x,y) Matrix Interpretation Processor: dimension: 1 interpretation: [if_active#](x0, x1, x2) = x0 + 1, [mark#](x0) = 0, [if_active](x0, x1, x2) = 1, [if](x0, x1, x2) = 1, [div_active](x0, x1) = 1, [div](x0, x1) = 1, [ge](x0, x1) = 1, [false] = 1, [minus](x0, x1) = 1, [true] = 1, [ge_active](x0, x1) = 1, [s](x0) = x0, [mark](x0) = 1, [minus_active](x0, x1) = 1, [0] = 1 orientation: if_active#(false(),x,y) = 2 >= 0 = mark#(y) if_active#(true(),x,y) = 2 >= 0 = mark#(x) minus_active(0(),y) = 1 >= 1 = 0() mark(0()) = 1 >= 1 = 0() minus_active(s(x),s(y)) = 1 >= 1 = minus_active(x,y) mark(s(x)) = 1 >= 1 = s(mark(x)) ge_active(x,0()) = 1 >= 1 = true() mark(minus(x,y)) = 1 >= 1 = minus_active(x,y) ge_active(0(),s(y)) = 1 >= 1 = false() mark(ge(x,y)) = 1 >= 1 = ge_active(x,y) ge_active(s(x),s(y)) = 1 >= 1 = ge_active(x,y) mark(div(x,y)) = 1 >= 1 = div_active(mark(x),y) div_active(0(),s(y)) = 1 >= 1 = 0() mark(if(x,y,z)) = 1 >= 1 = if_active(mark(x),y,z) div_active(s(x),s(y)) = 1 >= 1 = if_active(ge_active(x,y),s(div(minus(x,y),s(y))),0()) if_active(true(),x,y) = 1 >= 1 = mark(x) minus_active(x,y) = 1 >= 1 = minus(x,y) if_active(false(),x,y) = 1 >= 1 = mark(y) ge_active(x,y) = 1 >= 1 = ge(x,y) if_active(x,y,z) = 1 >= 1 = if(x,y,z) div_active(x,y) = 1 >= 1 = div(x,y) problem: DPs: TRS: minus_active(0(),y) -> 0() mark(0()) -> 0() minus_active(s(x),s(y)) -> minus_active(x,y) mark(s(x)) -> s(mark(x)) ge_active(x,0()) -> true() mark(minus(x,y)) -> minus_active(x,y) ge_active(0(),s(y)) -> false() mark(ge(x,y)) -> ge_active(x,y) ge_active(s(x),s(y)) -> ge_active(x,y) mark(div(x,y)) -> div_active(mark(x),y) div_active(0(),s(y)) -> 0() mark(if(x,y,z)) -> if_active(mark(x),y,z) div_active(s(x),s(y)) -> if_active(ge_active(x,y),s(div(minus(x,y),s(y))),0()) if_active(true(),x,y) -> mark(x) minus_active(x,y) -> minus(x,y) if_active(false(),x,y) -> mark(y) ge_active(x,y) -> ge(x,y) if_active(x,y,z) -> if(x,y,z) div_active(x,y) -> div(x,y) Qed DPs: minus_active#(s(x),s(y)) -> minus_active#(x,y) TRS: minus_active(0(),y) -> 0() mark(0()) -> 0() minus_active(s(x),s(y)) -> minus_active(x,y) mark(s(x)) -> s(mark(x)) ge_active(x,0()) -> true() mark(minus(x,y)) -> minus_active(x,y) ge_active(0(),s(y)) -> false() mark(ge(x,y)) -> ge_active(x,y) ge_active(s(x),s(y)) -> ge_active(x,y) mark(div(x,y)) -> div_active(mark(x),y) div_active(0(),s(y)) -> 0() mark(if(x,y,z)) -> if_active(mark(x),y,z) div_active(s(x),s(y)) -> if_active(ge_active(x,y),s(div(minus(x,y),s(y))),0()) if_active(true(),x,y) -> mark(x) minus_active(x,y) -> minus(x,y) if_active(false(),x,y) -> mark(y) ge_active(x,y) -> ge(x,y) if_active(x,y,z) -> if(x,y,z) div_active(x,y) -> div(x,y) Subterm Criterion Processor: simple projection: pi(minus_active#) = 1 problem: DPs: TRS: minus_active(0(),y) -> 0() mark(0()) -> 0() minus_active(s(x),s(y)) -> minus_active(x,y) mark(s(x)) -> s(mark(x)) ge_active(x,0()) -> true() mark(minus(x,y)) -> minus_active(x,y) ge_active(0(),s(y)) -> false() mark(ge(x,y)) -> ge_active(x,y) ge_active(s(x),s(y)) -> ge_active(x,y) mark(div(x,y)) -> div_active(mark(x),y) div_active(0(),s(y)) -> 0() mark(if(x,y,z)) -> if_active(mark(x),y,z) div_active(s(x),s(y)) -> if_active(ge_active(x,y),s(div(minus(x,y),s(y))),0()) if_active(true(),x,y) -> mark(x) minus_active(x,y) -> minus(x,y) if_active(false(),x,y) -> mark(y) ge_active(x,y) -> ge(x,y) if_active(x,y,z) -> if(x,y,z) div_active(x,y) -> div(x,y) Qed DPs: ge_active#(s(x),s(y)) -> ge_active#(x,y) TRS: minus_active(0(),y) -> 0() mark(0()) -> 0() minus_active(s(x),s(y)) -> minus_active(x,y) mark(s(x)) -> s(mark(x)) ge_active(x,0()) -> true() mark(minus(x,y)) -> minus_active(x,y) ge_active(0(),s(y)) -> false() mark(ge(x,y)) -> ge_active(x,y) ge_active(s(x),s(y)) -> ge_active(x,y) mark(div(x,y)) -> div_active(mark(x),y) div_active(0(),s(y)) -> 0() mark(if(x,y,z)) -> if_active(mark(x),y,z) div_active(s(x),s(y)) -> if_active(ge_active(x,y),s(div(minus(x,y),s(y))),0()) if_active(true(),x,y) -> mark(x) minus_active(x,y) -> minus(x,y) if_active(false(),x,y) -> mark(y) ge_active(x,y) -> ge(x,y) if_active(x,y,z) -> if(x,y,z) div_active(x,y) -> div(x,y) Subterm Criterion Processor: simple projection: pi(ge_active#) = 1 problem: DPs: TRS: minus_active(0(),y) -> 0() mark(0()) -> 0() minus_active(s(x),s(y)) -> minus_active(x,y) mark(s(x)) -> s(mark(x)) ge_active(x,0()) -> true() mark(minus(x,y)) -> minus_active(x,y) ge_active(0(),s(y)) -> false() mark(ge(x,y)) -> ge_active(x,y) ge_active(s(x),s(y)) -> ge_active(x,y) mark(div(x,y)) -> div_active(mark(x),y) div_active(0(),s(y)) -> 0() mark(if(x,y,z)) -> if_active(mark(x),y,z) div_active(s(x),s(y)) -> if_active(ge_active(x,y),s(div(minus(x,y),s(y))),0()) if_active(true(),x,y) -> mark(x) minus_active(x,y) -> minus(x,y) if_active(false(),x,y) -> mark(y) ge_active(x,y) -> ge(x,y) if_active(x,y,z) -> if(x,y,z) div_active(x,y) -> div(x,y) Qed