MAYBE 0.08/0.18 MAYBE 0.08/0.19 0.08/0.19 Problem: 0.08/0.19 cond1(true(),x,y,z) -> cond2(gr(x,0()),x,y,z) 0.08/0.19 cond2(true(),x,y,z) -> cond1(or(gr(x,z),gr(y,z)),p(x),y,z) 0.08/0.19 cond2(false(),x,y,z) -> cond3(gr(y,0()),x,y,z) 0.08/0.19 cond3(true(),x,y,z) -> cond1(or(gr(x,z),gr(y,z)),x,p(y),z) 0.08/0.19 cond3(false(),x,y,z) -> cond1(or(gr(x,z),gr(y,z)),x,y,z) 0.08/0.19 gr(0(),x) -> false() 0.08/0.19 gr(s(x),0()) -> true() 0.08/0.19 gr(s(x),s(y)) -> gr(x,y) 0.08/0.19 or(false(),false()) -> false() 0.08/0.19 or(true(),x) -> true() 0.08/0.19 or(x,true()) -> true() 0.08/0.19 p(0()) -> 0() 0.08/0.19 p(s(x)) -> x 0.08/0.19 0.08/0.19 Proof: 0.08/0.19 Open 0.08/0.19 EOF