
Initial complexity problem:
1:	T:
		(Comp: ?, Cost: 1)    f2(Ar_0, Ar_1, Ar_2, Ar_3) -> Com_1(f300(Ar_0, Ar_1, Ar_2, Ar_3))
		(Comp: ?, Cost: 1)    f300(Ar_0, Ar_1, Ar_2, Ar_3) -> Com_1(f300(Ar_0 + 1, Ar_1, Fresh_2, Ar_3)) [ Fresh_2 >= 1 /\ Ar_1 >= Ar_0 + 1 ]
		(Comp: ?, Cost: 1)    f300(Ar_0, Ar_1, Ar_2, Ar_3) -> Com_1(f300(Ar_0 + 1, Ar_1, Fresh_1, Ar_3)) [ 0 >= Fresh_1 + 1 /\ Ar_1 >= Ar_0 + 1 ]
		(Comp: ?, Cost: 1)    f300(Ar_0, Ar_1, Ar_2, Ar_3) -> Com_1(f300(Ar_0, Ar_1 - 1, 0, Ar_3)) [ Ar_1 >= Ar_0 + 1 ]
		(Comp: ?, Cost: 1)    f300(Ar_0, Ar_1, Ar_2, Ar_3) -> Com_1(f1(Ar_0, Ar_1, Ar_2, Fresh_0)) [ Ar_0 >= Ar_1 ]
		(Comp: 1, Cost: 0)    koat_start(Ar_0, Ar_1, Ar_2, Ar_3) -> Com_1(f2(Ar_0, Ar_1, Ar_2, Ar_3)) [ 0 <= 0 ]
	start location:	koat_start
	leaf cost:	0

Repeatedly propagating knowledge in problem 1 produces the following problem:
2:	T:
		(Comp: 1, Cost: 1)    f2(Ar_0, Ar_1, Ar_2, Ar_3) -> Com_1(f300(Ar_0, Ar_1, Ar_2, Ar_3))
		(Comp: ?, Cost: 1)    f300(Ar_0, Ar_1, Ar_2, Ar_3) -> Com_1(f300(Ar_0 + 1, Ar_1, Fresh_2, Ar_3)) [ Fresh_2 >= 1 /\ Ar_1 >= Ar_0 + 1 ]
		(Comp: ?, Cost: 1)    f300(Ar_0, Ar_1, Ar_2, Ar_3) -> Com_1(f300(Ar_0 + 1, Ar_1, Fresh_1, Ar_3)) [ 0 >= Fresh_1 + 1 /\ Ar_1 >= Ar_0 + 1 ]
		(Comp: ?, Cost: 1)    f300(Ar_0, Ar_1, Ar_2, Ar_3) -> Com_1(f300(Ar_0, Ar_1 - 1, 0, Ar_3)) [ Ar_1 >= Ar_0 + 1 ]
		(Comp: ?, Cost: 1)    f300(Ar_0, Ar_1, Ar_2, Ar_3) -> Com_1(f1(Ar_0, Ar_1, Ar_2, Fresh_0)) [ Ar_0 >= Ar_1 ]
		(Comp: 1, Cost: 0)    koat_start(Ar_0, Ar_1, Ar_2, Ar_3) -> Com_1(f2(Ar_0, Ar_1, Ar_2, Ar_3)) [ 0 <= 0 ]
	start location:	koat_start
	leaf cost:	0

A polynomial rank function with
	Pol(f2) = 1
	Pol(f300) = 1
	Pol(f1) = 0
	Pol(koat_start) = 1
orients all transitions weakly and the transition
	f300(Ar_0, Ar_1, Ar_2, Ar_3) -> Com_1(f1(Ar_0, Ar_1, Ar_2, Fresh_0)) [ Ar_0 >= Ar_1 ]
strictly and produces the following problem:
3:	T:
		(Comp: 1, Cost: 1)    f2(Ar_0, Ar_1, Ar_2, Ar_3) -> Com_1(f300(Ar_0, Ar_1, Ar_2, Ar_3))
		(Comp: ?, Cost: 1)    f300(Ar_0, Ar_1, Ar_2, Ar_3) -> Com_1(f300(Ar_0 + 1, Ar_1, Fresh_2, Ar_3)) [ Fresh_2 >= 1 /\ Ar_1 >= Ar_0 + 1 ]
		(Comp: ?, Cost: 1)    f300(Ar_0, Ar_1, Ar_2, Ar_3) -> Com_1(f300(Ar_0 + 1, Ar_1, Fresh_1, Ar_3)) [ 0 >= Fresh_1 + 1 /\ Ar_1 >= Ar_0 + 1 ]
		(Comp: ?, Cost: 1)    f300(Ar_0, Ar_1, Ar_2, Ar_3) -> Com_1(f300(Ar_0, Ar_1 - 1, 0, Ar_3)) [ Ar_1 >= Ar_0 + 1 ]
		(Comp: 1, Cost: 1)    f300(Ar_0, Ar_1, Ar_2, Ar_3) -> Com_1(f1(Ar_0, Ar_1, Ar_2, Fresh_0)) [ Ar_0 >= Ar_1 ]
		(Comp: 1, Cost: 0)    koat_start(Ar_0, Ar_1, Ar_2, Ar_3) -> Com_1(f2(Ar_0, Ar_1, Ar_2, Ar_3)) [ 0 <= 0 ]
	start location:	koat_start
	leaf cost:	0

A polynomial rank function with
	Pol(f2) = -V_1 + V_2
	Pol(f300) = -V_1 + V_2
	Pol(f1) = -V_1 + V_2
	Pol(koat_start) = -V_1 + V_2
orients all transitions weakly and the transitions
	f300(Ar_0, Ar_1, Ar_2, Ar_3) -> Com_1(f300(Ar_0 + 1, Ar_1, Fresh_2, Ar_3)) [ Fresh_2 >= 1 /\ Ar_1 >= Ar_0 + 1 ]
	f300(Ar_0, Ar_1, Ar_2, Ar_3) -> Com_1(f300(Ar_0 + 1, Ar_1, Fresh_1, Ar_3)) [ 0 >= Fresh_1 + 1 /\ Ar_1 >= Ar_0 + 1 ]
	f300(Ar_0, Ar_1, Ar_2, Ar_3) -> Com_1(f300(Ar_0, Ar_1 - 1, 0, Ar_3)) [ Ar_1 >= Ar_0 + 1 ]
strictly and produces the following problem:
4:	T:
		(Comp: 1, Cost: 1)              f2(Ar_0, Ar_1, Ar_2, Ar_3) -> Com_1(f300(Ar_0, Ar_1, Ar_2, Ar_3))
		(Comp: Ar_0 + Ar_1, Cost: 1)    f300(Ar_0, Ar_1, Ar_2, Ar_3) -> Com_1(f300(Ar_0 + 1, Ar_1, Fresh_2, Ar_3)) [ Fresh_2 >= 1 /\ Ar_1 >= Ar_0 + 1 ]
		(Comp: Ar_0 + Ar_1, Cost: 1)    f300(Ar_0, Ar_1, Ar_2, Ar_3) -> Com_1(f300(Ar_0 + 1, Ar_1, Fresh_1, Ar_3)) [ 0 >= Fresh_1 + 1 /\ Ar_1 >= Ar_0 + 1 ]
		(Comp: Ar_0 + Ar_1, Cost: 1)    f300(Ar_0, Ar_1, Ar_2, Ar_3) -> Com_1(f300(Ar_0, Ar_1 - 1, 0, Ar_3)) [ Ar_1 >= Ar_0 + 1 ]
		(Comp: 1, Cost: 1)              f300(Ar_0, Ar_1, Ar_2, Ar_3) -> Com_1(f1(Ar_0, Ar_1, Ar_2, Fresh_0)) [ Ar_0 >= Ar_1 ]
		(Comp: 1, Cost: 0)              koat_start(Ar_0, Ar_1, Ar_2, Ar_3) -> Com_1(f2(Ar_0, Ar_1, Ar_2, Ar_3)) [ 0 <= 0 ]
	start location:	koat_start
	leaf cost:	0

Complexity upper bound 3*Ar_0 + 3*Ar_1 + 2

Time: 0.039 sec (SMT: 0.035 sec)
