MAYBE TRS: { minus(x, 0()) -> x, minus(s(x), s(y)) -> minus(x, y), quot(0(), s(y)) -> 0(), quot(s(x), s(y)) -> s(quot(minus(x, y), s(y))), plus(s(x), x) -> plus(if(gt(x, x), id(x), id(x)), s(x)), plus(s(x), s(y)) -> s(s(plus(if(gt(x, y), x, y), if(not(gt(x, y)), id(x), id(y))))), plus(id(x), s(y)) -> s(plus(x, if(gt(s(y), y), y, s(y)))), plus(zero(), y) -> y, if(true(), x, y) -> x, if(false(), x, y) -> y, gt(s(x), s(y)) -> gt(x, y), gt(s(x), zero()) -> true(), gt(zero(), y) -> false(), not(x) -> if(x, false(), true()), id(x) -> x} DP: Strict: {minus#(s(x), s(y)) -> minus#(x, y), quot#(s(x), s(y)) -> minus#(x, y), quot#(s(x), s(y)) -> quot#(minus(x, y), s(y)), plus#(s(x), x) -> plus#(if(gt(x, x), id(x), id(x)), s(x)), plus#(s(x), x) -> if#(gt(x, x), id(x), id(x)), plus#(s(x), x) -> gt#(x, x), plus#(s(x), x) -> id#(x), plus#(s(x), s(y)) -> plus#(if(gt(x, y), x, y), if(not(gt(x, y)), id(x), id(y))), plus#(s(x), s(y)) -> if#(gt(x, y), x, y), plus#(s(x), s(y)) -> if#(not(gt(x, y)), id(x), id(y)), plus#(s(x), s(y)) -> gt#(x, y), plus#(s(x), s(y)) -> not#(gt(x, y)), plus#(s(x), s(y)) -> id#(x), plus#(s(x), s(y)) -> id#(y), plus#(id(x), s(y)) -> plus#(x, if(gt(s(y), y), y, s(y))), plus#(id(x), s(y)) -> if#(gt(s(y), y), y, s(y)), plus#(id(x), s(y)) -> gt#(s(y), y), gt#(s(x), s(y)) -> gt#(x, y), not#(x) -> if#(x, false(), true())} Weak: { minus(x, 0()) -> x, minus(s(x), s(y)) -> minus(x, y), quot(0(), s(y)) -> 0(), quot(s(x), s(y)) -> s(quot(minus(x, y), s(y))), plus(s(x), x) -> plus(if(gt(x, x), id(x), id(x)), s(x)), plus(s(x), s(y)) -> s(s(plus(if(gt(x, y), x, y), if(not(gt(x, y)), id(x), id(y))))), plus(id(x), s(y)) -> s(plus(x, if(gt(s(y), y), y, s(y)))), plus(zero(), y) -> y, if(true(), x, y) -> x, if(false(), x, y) -> y, gt(s(x), s(y)) -> gt(x, y), gt(s(x), zero()) -> true(), gt(zero(), y) -> false(), not(x) -> if(x, false(), true()), id(x) -> x} EDG: {(minus#(s(x), s(y)) -> minus#(x, y), minus#(s(x), s(y)) -> minus#(x, y)) (gt#(s(x), s(y)) -> gt#(x, y), gt#(s(x), s(y)) -> gt#(x, y)) (plus#(s(x), x) -> plus#(if(gt(x, x), id(x), id(x)), s(x)), plus#(id(x), s(y)) -> gt#(s(y), y)) (plus#(s(x), x) -> plus#(if(gt(x, x), id(x), id(x)), s(x)), plus#(id(x), s(y)) -> if#(gt(s(y), y), y, s(y))) (plus#(s(x), x) -> plus#(if(gt(x, x), id(x), id(x)), s(x)), plus#(id(x), s(y)) -> plus#(x, if(gt(s(y), y), y, s(y)))) (plus#(s(x), x) -> plus#(if(gt(x, x), id(x), id(x)), s(x)), plus#(s(x), s(y)) -> id#(y)) (plus#(s(x), x) -> plus#(if(gt(x, x), id(x), id(x)), s(x)), plus#(s(x), s(y)) -> id#(x)) (plus#(s(x), x) -> plus#(if(gt(x, x), id(x), id(x)), s(x)), plus#(s(x), s(y)) -> not#(gt(x, y))) (plus#(s(x), x) -> plus#(if(gt(x, x), id(x), id(x)), s(x)), plus#(s(x), s(y)) -> gt#(x, y)) (plus#(s(x), x) -> plus#(if(gt(x, x), id(x), id(x)), s(x)), plus#(s(x), s(y)) -> if#(not(gt(x, y)), id(x), id(y))) (plus#(s(x), x) -> plus#(if(gt(x, x), id(x), id(x)), s(x)), plus#(s(x), s(y)) -> if#(gt(x, y), x, y)) (plus#(s(x), x) -> plus#(if(gt(x, x), id(x), id(x)), s(x)), plus#(s(x), s(y)) -> plus#(if(gt(x, y), x, y), if(not(gt(x, y)), id(x), id(y)))) (plus#(s(x), x) -> plus#(if(gt(x, x), id(x), id(x)), s(x)), plus#(s(x), x) -> id#(x)) (plus#(s(x), x) -> plus#(if(gt(x, x), id(x), id(x)), s(x)), plus#(s(x), x) -> gt#(x, x)) (plus#(s(x), x) -> plus#(if(gt(x, x), id(x), id(x)), s(x)), plus#(s(x), x) -> if#(gt(x, x), id(x), id(x))) (plus#(s(x), x) -> plus#(if(gt(x, x), id(x), id(x)), s(x)), plus#(s(x), x) -> plus#(if(gt(x, x), id(x), id(x)), s(x))) (plus#(id(x), s(y)) -> plus#(x, if(gt(s(y), y), y, s(y))), plus#(id(x), s(y)) -> gt#(s(y), y)) (plus#(id(x), s(y)) -> plus#(x, if(gt(s(y), y), y, s(y))), plus#(id(x), s(y)) -> if#(gt(s(y), y), y, s(y))) (plus#(id(x), s(y)) -> plus#(x, if(gt(s(y), y), y, s(y))), plus#(id(x), s(y)) -> plus#(x, if(gt(s(y), y), y, s(y)))) (plus#(id(x), s(y)) -> plus#(x, if(gt(s(y), y), y, s(y))), plus#(s(x), s(y)) -> id#(y)) (plus#(id(x), s(y)) -> plus#(x, if(gt(s(y), y), y, s(y))), plus#(s(x), s(y)) -> id#(x)) (plus#(id(x), s(y)) -> plus#(x, if(gt(s(y), y), y, s(y))), plus#(s(x), s(y)) -> not#(gt(x, y))) (plus#(id(x), s(y)) -> plus#(x, if(gt(s(y), y), y, s(y))), plus#(s(x), s(y)) -> gt#(x, y)) (plus#(id(x), s(y)) -> plus#(x, if(gt(s(y), y), y, s(y))), plus#(s(x), s(y)) -> if#(not(gt(x, y)), id(x), id(y))) (plus#(id(x), s(y)) -> plus#(x, if(gt(s(y), y), y, s(y))), plus#(s(x), s(y)) -> if#(gt(x, y), x, y)) (plus#(id(x), s(y)) -> plus#(x, if(gt(s(y), y), y, s(y))), plus#(s(x), s(y)) -> plus#(if(gt(x, y), x, y), if(not(gt(x, y)), id(x), id(y)))) (plus#(id(x), s(y)) -> plus#(x, if(gt(s(y), y), y, s(y))), plus#(s(x), x) -> id#(x)) (plus#(id(x), s(y)) -> plus#(x, if(gt(s(y), y), y, s(y))), plus#(s(x), x) -> gt#(x, x)) (plus#(id(x), s(y)) -> plus#(x, if(gt(s(y), y), y, s(y))), plus#(s(x), x) -> if#(gt(x, x), id(x), id(x))) (plus#(id(x), s(y)) -> plus#(x, if(gt(s(y), y), y, s(y))), plus#(s(x), x) -> plus#(if(gt(x, x), id(x), id(x)), s(x))) (plus#(id(x), s(y)) -> gt#(s(y), y), gt#(s(x), s(y)) -> gt#(x, y)) (plus#(s(x), x) -> gt#(x, x), gt#(s(x), s(y)) -> gt#(x, y)) (plus#(s(x), s(y)) -> plus#(if(gt(x, y), x, y), if(not(gt(x, y)), id(x), id(y))), plus#(s(x), x) -> plus#(if(gt(x, x), id(x), id(x)), s(x))) (plus#(s(x), s(y)) -> plus#(if(gt(x, y), x, y), if(not(gt(x, y)), id(x), id(y))), plus#(s(x), x) -> if#(gt(x, x), id(x), id(x))) (plus#(s(x), s(y)) -> plus#(if(gt(x, y), x, y), if(not(gt(x, y)), id(x), id(y))), plus#(s(x), x) -> gt#(x, x)) (plus#(s(x), s(y)) -> plus#(if(gt(x, y), x, y), if(not(gt(x, y)), id(x), id(y))), plus#(s(x), x) -> id#(x)) (plus#(s(x), s(y)) -> plus#(if(gt(x, y), x, y), if(not(gt(x, y)), id(x), id(y))), plus#(s(x), s(y)) -> plus#(if(gt(x, y), x, y), if(not(gt(x, y)), id(x), id(y)))) (plus#(s(x), s(y)) -> plus#(if(gt(x, y), x, y), if(not(gt(x, y)), id(x), id(y))), plus#(s(x), s(y)) -> if#(gt(x, y), x, y)) (plus#(s(x), s(y)) -> plus#(if(gt(x, y), x, y), if(not(gt(x, y)), id(x), id(y))), plus#(s(x), s(y)) -> if#(not(gt(x, y)), id(x), id(y))) (plus#(s(x), s(y)) -> plus#(if(gt(x, y), x, y), if(not(gt(x, y)), id(x), id(y))), plus#(s(x), s(y)) -> gt#(x, y)) (plus#(s(x), s(y)) -> plus#(if(gt(x, y), x, y), if(not(gt(x, y)), id(x), id(y))), plus#(s(x), s(y)) -> not#(gt(x, y))) (plus#(s(x), s(y)) -> plus#(if(gt(x, y), x, y), if(not(gt(x, y)), id(x), id(y))), plus#(s(x), s(y)) -> id#(x)) (plus#(s(x), s(y)) -> plus#(if(gt(x, y), x, y), if(not(gt(x, y)), id(x), id(y))), plus#(s(x), s(y)) -> id#(y)) (plus#(s(x), s(y)) -> plus#(if(gt(x, y), x, y), if(not(gt(x, y)), id(x), id(y))), plus#(id(x), s(y)) -> plus#(x, if(gt(s(y), y), y, s(y)))) (plus#(s(x), s(y)) -> plus#(if(gt(x, y), x, y), if(not(gt(x, y)), id(x), id(y))), plus#(id(x), s(y)) -> if#(gt(s(y), y), y, s(y))) (plus#(s(x), s(y)) -> plus#(if(gt(x, y), x, y), if(not(gt(x, y)), id(x), id(y))), plus#(id(x), s(y)) -> gt#(s(y), y)) (plus#(s(x), s(y)) -> not#(gt(x, y)), not#(x) -> if#(x, false(), true())) (quot#(s(x), s(y)) -> quot#(minus(x, y), s(y)), quot#(s(x), s(y)) -> minus#(x, y)) (quot#(s(x), s(y)) -> quot#(minus(x, y), s(y)), quot#(s(x), s(y)) -> quot#(minus(x, y), s(y))) (plus#(s(x), s(y)) -> gt#(x, y), gt#(s(x), s(y)) -> gt#(x, y)) (quot#(s(x), s(y)) -> minus#(x, y), minus#(s(x), s(y)) -> minus#(x, y))} SCCS: Scc: {gt#(s(x), s(y)) -> gt#(x, y)} Scc: { plus#(s(x), x) -> plus#(if(gt(x, x), id(x), id(x)), s(x)), plus#(s(x), s(y)) -> plus#(if(gt(x, y), x, y), if(not(gt(x, y)), id(x), id(y))), plus#(id(x), s(y)) -> plus#(x, if(gt(s(y), y), y, s(y)))} Scc: {quot#(s(x), s(y)) -> quot#(minus(x, y), s(y))} Scc: {minus#(s(x), s(y)) -> minus#(x, y)} SCC: Strict: {gt#(s(x), s(y)) -> gt#(x, y)} Weak: { minus(x, 0()) -> x, minus(s(x), s(y)) -> minus(x, y), quot(0(), s(y)) -> 0(), quot(s(x), s(y)) -> s(quot(minus(x, y), s(y))), plus(s(x), x) -> plus(if(gt(x, x), id(x), id(x)), s(x)), plus(s(x), s(y)) -> s(s(plus(if(gt(x, y), x, y), if(not(gt(x, y)), id(x), id(y))))), plus(id(x), s(y)) -> s(plus(x, if(gt(s(y), y), y, s(y)))), plus(zero(), y) -> y, if(true(), x, y) -> x, if(false(), x, y) -> y, gt(s(x), s(y)) -> gt(x, y), gt(s(x), zero()) -> true(), gt(zero(), y) -> false(), not(x) -> if(x, false(), true()), id(x) -> x} SPSC: Simple Projection: pi(gt#) = 0 Strict: {} Qed SCC: Strict: { plus#(s(x), x) -> plus#(if(gt(x, x), id(x), id(x)), s(x)), plus#(s(x), s(y)) -> plus#(if(gt(x, y), x, y), if(not(gt(x, y)), id(x), id(y))), plus#(id(x), s(y)) -> plus#(x, if(gt(s(y), y), y, s(y)))} Weak: { minus(x, 0()) -> x, minus(s(x), s(y)) -> minus(x, y), quot(0(), s(y)) -> 0(), quot(s(x), s(y)) -> s(quot(minus(x, y), s(y))), plus(s(x), x) -> plus(if(gt(x, x), id(x), id(x)), s(x)), plus(s(x), s(y)) -> s(s(plus(if(gt(x, y), x, y), if(not(gt(x, y)), id(x), id(y))))), plus(id(x), s(y)) -> s(plus(x, if(gt(s(y), y), y, s(y)))), plus(zero(), y) -> y, if(true(), x, y) -> x, if(false(), x, y) -> y, gt(s(x), s(y)) -> gt(x, y), gt(s(x), zero()) -> true(), gt(zero(), y) -> false(), not(x) -> if(x, false(), true()), id(x) -> x} Fail SCC: Strict: {quot#(s(x), s(y)) -> quot#(minus(x, y), s(y))} Weak: { minus(x, 0()) -> x, minus(s(x), s(y)) -> minus(x, y), quot(0(), s(y)) -> 0(), quot(s(x), s(y)) -> s(quot(minus(x, y), s(y))), plus(s(x), x) -> plus(if(gt(x, x), id(x), id(x)), s(x)), plus(s(x), s(y)) -> s(s(plus(if(gt(x, y), x, y), if(not(gt(x, y)), id(x), id(y))))), plus(id(x), s(y)) -> s(plus(x, if(gt(s(y), y), y, s(y)))), plus(zero(), y) -> y, if(true(), x, y) -> x, if(false(), x, y) -> y, gt(s(x), s(y)) -> gt(x, y), gt(s(x), zero()) -> true(), gt(zero(), y) -> false(), not(x) -> if(x, false(), true()), id(x) -> x} POLY: Argument Filtering: pi(false) = [], pi(true) = [], pi(zero) = [], pi(id) = [], pi(not) = [], pi(gt) = [], pi(if) = 2, pi(plus) = 1, pi(quot#) = 0, pi(quot) = [], pi(s) = [0], pi(0) = [], pi(minus) = 0 Usable Rules: {} Interpretation: [s](x0) = x0 + 1 Strict: {} Weak: { minus(x, 0()) -> x, minus(s(x), s(y)) -> minus(x, y), quot(0(), s(y)) -> 0(), quot(s(x), s(y)) -> s(quot(minus(x, y), s(y))), plus(s(x), x) -> plus(if(gt(x, x), id(x), id(x)), s(x)), plus(s(x), s(y)) -> s(s(plus(if(gt(x, y), x, y), if(not(gt(x, y)), id(x), id(y))))), plus(id(x), s(y)) -> s(plus(x, if(gt(s(y), y), y, s(y)))), plus(zero(), y) -> y, if(true(), x, y) -> x, if(false(), x, y) -> y, gt(s(x), s(y)) -> gt(x, y), gt(s(x), zero()) -> true(), gt(zero(), y) -> false(), not(x) -> if(x, false(), true()), id(x) -> x} Qed SCC: Strict: {minus#(s(x), s(y)) -> minus#(x, y)} Weak: { minus(x, 0()) -> x, minus(s(x), s(y)) -> minus(x, y), quot(0(), s(y)) -> 0(), quot(s(x), s(y)) -> s(quot(minus(x, y), s(y))), plus(s(x), x) -> plus(if(gt(x, x), id(x), id(x)), s(x)), plus(s(x), s(y)) -> s(s(plus(if(gt(x, y), x, y), if(not(gt(x, y)), id(x), id(y))))), plus(id(x), s(y)) -> s(plus(x, if(gt(s(y), y), y, s(y)))), plus(zero(), y) -> y, if(true(), x, y) -> x, if(false(), x, y) -> y, gt(s(x), s(y)) -> gt(x, y), gt(s(x), zero()) -> true(), gt(zero(), y) -> false(), not(x) -> if(x, false(), true()), id(x) -> x} SPSC: Simple Projection: pi(minus#) = 0 Strict: {} Qed