(GOAL COMPLEXITY)
(STARTTERM CONSTRUCTORBASED)
(VAR x y )
(STRATEGY INNERMOST)
(RULES 
        minus(0, y) -> 0
        minus(s(x), y) -> if(gt(s(x), y), x, y)
        if(true, x, y) -> s(minus(x, y))
        if(false, x, y) -> 0
        mod(x, 0) -> 0
        mod(x, s(y)) -> if1(lt(x, s(y)), x, s(y))
        if1(true, x, y) -> x
        if1(false, x, y) -> mod(minus(x, y), y)
        gt(0, y) -> false
        gt(s(x), 0) -> true
        gt(s(x), s(y)) -> gt(x, y)
        lt(x, 0) -> false
        lt(0, s(x)) -> true
        lt(s(x), s(y)) -> lt(x, y)
        
)