MAYBE We are left with following problem, upon which TcT provides the certificate MAYBE. Strict Trs: { __(X, nil()) -> X , __(__(X, Y), Z) -> __(X, __(Y, Z)) , __(nil(), X) -> X , U11(tt()) -> U12(isPalListKind()) , U12(tt()) -> U13(isNeList()) , isPalListKind() -> tt() , isPalListKind() -> U91(isPalListKind()) , U13(tt()) -> tt() , isNeList() -> U31(isPalListKind()) , isNeList() -> U41(isPalListKind()) , isNeList() -> U51(isPalListKind()) , U21(tt()) -> U22(isPalListKind()) , U22(tt()) -> U23(isPalListKind()) , U23(tt()) -> U24(isPalListKind()) , U24(tt()) -> U25(isList()) , U25(tt()) -> U26(isList()) , isList() -> U11(isPalListKind()) , isList() -> tt() , isList() -> U21(isPalListKind()) , U26(tt()) -> tt() , U31(tt()) -> U32(isPalListKind()) , U32(tt()) -> U33(isQid()) , U33(tt()) -> tt() , isQid() -> tt() , U41(tt()) -> U42(isPalListKind()) , U42(tt()) -> U43(isPalListKind()) , U43(tt()) -> U44(isPalListKind()) , U44(tt()) -> U45(isList()) , U45(tt()) -> U46(isNeList()) , U46(tt()) -> tt() , U51(tt()) -> U52(isPalListKind()) , U52(tt()) -> U53(isPalListKind()) , U53(tt()) -> U54(isPalListKind()) , U54(tt()) -> U55(isNeList()) , U55(tt()) -> U56(isList()) , U56(tt()) -> tt() , U61(tt()) -> U62(isPalListKind()) , U62(tt()) -> U63(isQid()) , U63(tt()) -> tt() , U71(tt()) -> U72(isPalListKind()) , U72(tt()) -> U73(isPal()) , U73(tt()) -> U74(isPalListKind()) , isPal() -> tt() , isPal() -> U81(isPalListKind()) , U74(tt()) -> tt() , U81(tt()) -> U82(isPalListKind()) , U82(tt()) -> U83(isNePal()) , U83(tt()) -> tt() , isNePal() -> U61(isPalListKind()) , isNePal() -> U71(isQid()) , U91(tt()) -> U92(isPalListKind()) , U92(tt()) -> tt() } Obligation: innermost runtime complexity Answer: MAYBE None of the processors succeeded. Details of failed attempt(s): ----------------------------- 1) 'empty' failed due to the following reason: Empty strict component of the problem is NOT empty. 2) 'Best' failed due to the following reason: None of the processors succeeded. Details of failed attempt(s): ----------------------------- 1) 'WithProblem (timeout of 60 seconds)' failed due to the following reason: Computation stopped due to timeout after 60.0 seconds. 2) 'Best' failed due to the following reason: None of the processors succeeded. Details of failed attempt(s): ----------------------------- 1) 'WithProblem (timeout of 30 seconds) (timeout of 60 seconds)' failed due to the following reason: Computation stopped due to timeout after 30.0 seconds. 2) 'Fastest (timeout of 5 seconds) (timeout of 60 seconds)' failed due to the following reason: Computation stopped due to timeout after 5.0 seconds. 3) 'Best' failed due to the following reason: None of the processors succeeded. Details of failed attempt(s): ----------------------------- 1) 'bsearch-popstar (timeout of 60 seconds)' failed due to the following reason: The input cannot be shown compatible 2) 'Polynomial Path Order (PS) (timeout of 60 seconds)' failed due to the following reason: The input cannot be shown compatible Arrrr..