
Initial complexity problem:
1:	T:
		(Comp: ?, Cost: 1)    f0(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6) -> Com_1(f10(1, 1, Fresh_3, 0, 2, 1, Ar_6)) [ Fresh_3 >= 0 ]
		(Comp: ?, Cost: 1)    f10(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6) -> Com_1(f21(Ar_0, Ar_1 - 1, Ar_2, Ar_3, Ar_4, Ar_5, 0)) [ Ar_5 >= 1 /\ Ar_4 >= Ar_5 /\ Ar_1 >= 1 /\ 0 >= Ar_2 ]
		(Comp: ?, Cost: 1)    f10(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6) -> Com_1(f21(Ar_0 + 1, Ar_0 + 1, Fresh_1, Ar_3, Ar_4, Ar_5, Fresh_2)) [ Fresh_2 >= 0 /\ 1 >= Fresh_2 /\ Fresh_1 >= 0 /\ Ar_5 >= 1 /\ Ar_4 >= Ar_5 /\ 0 >= Ar_1 /\ 0 >= Ar_2 ]
		(Comp: ?, Cost: 1)    f10(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6) -> Com_1(f21(Ar_0, Ar_1, Ar_2 - 1, Ar_3, Ar_4, Ar_5, Fresh_0)) [ Fresh_0 >= 0 /\ 1 >= Fresh_0 /\ Ar_5 >= 1 /\ Ar_2 >= 1 /\ Ar_4 >= Ar_5 ]
		(Comp: ?, Cost: 1)    f21(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6) -> Com_1(f10(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5 - 1, Ar_6)) [ 0 >= Ar_6 ]
		(Comp: ?, Cost: 1)    f21(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6) -> Com_1(f10(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5 + 1, Ar_6)) [ Ar_6 >= 1 ]
		(Comp: ?, Cost: 1)    f10(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6) -> Com_1(f31(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6)) [ 0 >= Ar_5 /\ Ar_4 >= Ar_5 ]
		(Comp: ?, Cost: 1)    f10(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6) -> Com_1(f31(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6)) [ Ar_5 >= Ar_4 + 1 ]
		(Comp: 1, Cost: 0)    koat_start(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6) -> Com_1(f0(Ar_0, Ar_1, Ar_2, Ar_3, Ar_4, Ar_5, Ar_6)) [ 0 <= 0 ]
	start location:	koat_start
	leaf cost:	0

Slicing away variables that do not contribute to conditions from problem 1 leaves variables [Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6].
We thus obtain the following problem:
2:	T:
		(Comp: 1, Cost: 0)    koat_start(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f0(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6)) [ 0 <= 0 ]
		(Comp: ?, Cost: 1)    f10(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f31(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6)) [ Ar_5 >= Ar_4 + 1 ]
		(Comp: ?, Cost: 1)    f10(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f31(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6)) [ 0 >= Ar_5 /\ Ar_4 >= Ar_5 ]
		(Comp: ?, Cost: 1)    f21(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f10(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5 + 1, Ar_6)) [ Ar_6 >= 1 ]
		(Comp: ?, Cost: 1)    f21(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f10(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5 - 1, Ar_6)) [ 0 >= Ar_6 ]
		(Comp: ?, Cost: 1)    f10(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f21(Ar_0, Ar_1, Ar_2 - 1, Ar_4, Ar_5, Fresh_0)) [ Fresh_0 >= 0 /\ 1 >= Fresh_0 /\ Ar_5 >= 1 /\ Ar_2 >= 1 /\ Ar_4 >= Ar_5 ]
		(Comp: ?, Cost: 1)    f10(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f21(Ar_0 + 1, Ar_0 + 1, Fresh_1, Ar_4, Ar_5, Fresh_2)) [ Fresh_2 >= 0 /\ 1 >= Fresh_2 /\ Fresh_1 >= 0 /\ Ar_5 >= 1 /\ Ar_4 >= Ar_5 /\ 0 >= Ar_1 /\ 0 >= Ar_2 ]
		(Comp: ?, Cost: 1)    f10(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f21(Ar_0, Ar_1 - 1, Ar_2, Ar_4, Ar_5, 0)) [ Ar_5 >= 1 /\ Ar_4 >= Ar_5 /\ Ar_1 >= 1 /\ 0 >= Ar_2 ]
		(Comp: ?, Cost: 1)    f0(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f10(1, 1, Fresh_3, 2, 1, Ar_6)) [ Fresh_3 >= 0 ]
	start location:	koat_start
	leaf cost:	0

Repeatedly propagating knowledge in problem 2 produces the following problem:
3:	T:
		(Comp: 1, Cost: 0)    koat_start(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f0(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6)) [ 0 <= 0 ]
		(Comp: ?, Cost: 1)    f10(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f31(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6)) [ Ar_5 >= Ar_4 + 1 ]
		(Comp: ?, Cost: 1)    f10(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f31(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6)) [ 0 >= Ar_5 /\ Ar_4 >= Ar_5 ]
		(Comp: ?, Cost: 1)    f21(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f10(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5 + 1, Ar_6)) [ Ar_6 >= 1 ]
		(Comp: ?, Cost: 1)    f21(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f10(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5 - 1, Ar_6)) [ 0 >= Ar_6 ]
		(Comp: ?, Cost: 1)    f10(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f21(Ar_0, Ar_1, Ar_2 - 1, Ar_4, Ar_5, Fresh_0)) [ Fresh_0 >= 0 /\ 1 >= Fresh_0 /\ Ar_5 >= 1 /\ Ar_2 >= 1 /\ Ar_4 >= Ar_5 ]
		(Comp: ?, Cost: 1)    f10(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f21(Ar_0 + 1, Ar_0 + 1, Fresh_1, Ar_4, Ar_5, Fresh_2)) [ Fresh_2 >= 0 /\ 1 >= Fresh_2 /\ Fresh_1 >= 0 /\ Ar_5 >= 1 /\ Ar_4 >= Ar_5 /\ 0 >= Ar_1 /\ 0 >= Ar_2 ]
		(Comp: ?, Cost: 1)    f10(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f21(Ar_0, Ar_1 - 1, Ar_2, Ar_4, Ar_5, 0)) [ Ar_5 >= 1 /\ Ar_4 >= Ar_5 /\ Ar_1 >= 1 /\ 0 >= Ar_2 ]
		(Comp: 1, Cost: 1)    f0(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f10(1, 1, Fresh_3, 2, 1, Ar_6)) [ Fresh_3 >= 0 ]
	start location:	koat_start
	leaf cost:	0

A polynomial rank function with
	Pol(koat_start) = 1
	Pol(f0) = 1
	Pol(f10) = 1
	Pol(f31) = 0
	Pol(f21) = 1
orients all transitions weakly and the transitions
	f10(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f31(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6)) [ 0 >= Ar_5 /\ Ar_4 >= Ar_5 ]
	f10(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f31(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6)) [ Ar_5 >= Ar_4 + 1 ]
strictly and produces the following problem:
4:	T:
		(Comp: 1, Cost: 0)    koat_start(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f0(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6)) [ 0 <= 0 ]
		(Comp: 1, Cost: 1)    f10(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f31(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6)) [ Ar_5 >= Ar_4 + 1 ]
		(Comp: 1, Cost: 1)    f10(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f31(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6)) [ 0 >= Ar_5 /\ Ar_4 >= Ar_5 ]
		(Comp: ?, Cost: 1)    f21(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f10(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5 + 1, Ar_6)) [ Ar_6 >= 1 ]
		(Comp: ?, Cost: 1)    f21(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f10(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5 - 1, Ar_6)) [ 0 >= Ar_6 ]
		(Comp: ?, Cost: 1)    f10(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f21(Ar_0, Ar_1, Ar_2 - 1, Ar_4, Ar_5, Fresh_0)) [ Fresh_0 >= 0 /\ 1 >= Fresh_0 /\ Ar_5 >= 1 /\ Ar_2 >= 1 /\ Ar_4 >= Ar_5 ]
		(Comp: ?, Cost: 1)    f10(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f21(Ar_0 + 1, Ar_0 + 1, Fresh_1, Ar_4, Ar_5, Fresh_2)) [ Fresh_2 >= 0 /\ 1 >= Fresh_2 /\ Fresh_1 >= 0 /\ Ar_5 >= 1 /\ Ar_4 >= Ar_5 /\ 0 >= Ar_1 /\ 0 >= Ar_2 ]
		(Comp: ?, Cost: 1)    f10(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f21(Ar_0, Ar_1 - 1, Ar_2, Ar_4, Ar_5, 0)) [ Ar_5 >= 1 /\ Ar_4 >= Ar_5 /\ Ar_1 >= 1 /\ 0 >= Ar_2 ]
		(Comp: 1, Cost: 1)    f0(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f10(1, 1, Fresh_3, 2, 1, Ar_6)) [ Fresh_3 >= 0 ]
	start location:	koat_start
	leaf cost:	0

Applied AI with 'oct' on problem 4 to obtain the following invariants:
  For symbol f10: -X_4 + 2 >= 0 /\ X_3 - X_4 + 2 >= 0 /\ X_1 - X_4 + 1 >= 0 /\ X_4 - 2 >= 0 /\ X_3 + X_4 - 2 >= 0 /\ X_1 + X_4 - 3 >= 0 /\ X_3 >= 0 /\ X_1 + X_3 - 1 >= 0 /\ X_1 - X_2 >= 0 /\ X_1 - 1 >= 0
  For symbol f21: -X_6 + 1 >= 0 /\ X_5 - X_6 >= 0 /\ -X_5 - X_6 + 3 >= 0 /\ X_4 - X_6 - 1 >= 0 /\ -X_4 - X_6 + 3 >= 0 /\ X_3 - X_6 + 1 >= 0 /\ X_1 - X_6 >= 0 /\ X_6 >= 0 /\ X_5 + X_6 - 1 >= 0 /\ -X_5 + X_6 + 2 >= 0 /\ X_4 + X_6 - 2 >= 0 /\ -X_4 + X_6 + 2 >= 0 /\ X_3 + X_6 >= 0 /\ X_1 + X_6 - 1 >= 0 /\ -X_5 + 2 >= 0 /\ X_4 - X_5 >= 0 /\ -X_4 - X_5 + 4 >= 0 /\ X_3 - X_5 + 2 >= 0 /\ X_1 - X_5 + 1 >= 0 /\ X_5 - 1 >= 0 /\ X_4 + X_5 - 3 >= 0 /\ -X_4 + X_5 + 1 >= 0 /\ X_3 + X_5 - 1 >= 0 /\ X_1 + X_5 - 2 >= 0 /\ -X_4 + 2 >= 0 /\ X_3 - X_4 + 2 >= 0 /\ X_1 - X_4 + 1 >= 0 /\ X_4 - 2 >= 0 /\ X_3 + X_4 - 2 >= 0 /\ X_1 + X_4 - 3 >= 0 /\ X_3 >= 0 /\ X_1 + X_3 - 1 >= 0 /\ X_1 - X_2 >= 0 /\ X_1 - 1 >= 0


This yielded the following problem:
5:	T:
		(Comp: 1, Cost: 1)    f0(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f10(1, 1, Fresh_3, 2, 1, Ar_6)) [ Fresh_3 >= 0 ]
		(Comp: ?, Cost: 1)    f10(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f21(Ar_0, Ar_1 - 1, Ar_2, Ar_4, Ar_5, 0)) [ -Ar_4 + 2 >= 0 /\ Ar_2 - Ar_4 + 2 >= 0 /\ Ar_0 - Ar_4 + 1 >= 0 /\ Ar_4 - 2 >= 0 /\ Ar_2 + Ar_4 - 2 >= 0 /\ Ar_0 + Ar_4 - 3 >= 0 /\ Ar_2 >= 0 /\ Ar_0 + Ar_2 - 1 >= 0 /\ Ar_0 - Ar_1 >= 0 /\ Ar_0 - 1 >= 0 /\ Ar_5 >= 1 /\ Ar_4 >= Ar_5 /\ Ar_1 >= 1 /\ 0 >= Ar_2 ]
		(Comp: ?, Cost: 1)    f10(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f21(Ar_0 + 1, Ar_0 + 1, Fresh_1, Ar_4, Ar_5, Fresh_2)) [ -Ar_4 + 2 >= 0 /\ Ar_2 - Ar_4 + 2 >= 0 /\ Ar_0 - Ar_4 + 1 >= 0 /\ Ar_4 - 2 >= 0 /\ Ar_2 + Ar_4 - 2 >= 0 /\ Ar_0 + Ar_4 - 3 >= 0 /\ Ar_2 >= 0 /\ Ar_0 + Ar_2 - 1 >= 0 /\ Ar_0 - Ar_1 >= 0 /\ Ar_0 - 1 >= 0 /\ Fresh_2 >= 0 /\ 1 >= Fresh_2 /\ Fresh_1 >= 0 /\ Ar_5 >= 1 /\ Ar_4 >= Ar_5 /\ 0 >= Ar_1 /\ 0 >= Ar_2 ]
		(Comp: ?, Cost: 1)    f10(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f21(Ar_0, Ar_1, Ar_2 - 1, Ar_4, Ar_5, Fresh_0)) [ -Ar_4 + 2 >= 0 /\ Ar_2 - Ar_4 + 2 >= 0 /\ Ar_0 - Ar_4 + 1 >= 0 /\ Ar_4 - 2 >= 0 /\ Ar_2 + Ar_4 - 2 >= 0 /\ Ar_0 + Ar_4 - 3 >= 0 /\ Ar_2 >= 0 /\ Ar_0 + Ar_2 - 1 >= 0 /\ Ar_0 - Ar_1 >= 0 /\ Ar_0 - 1 >= 0 /\ Fresh_0 >= 0 /\ 1 >= Fresh_0 /\ Ar_5 >= 1 /\ Ar_2 >= 1 /\ Ar_4 >= Ar_5 ]
		(Comp: ?, Cost: 1)    f21(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f10(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5 - 1, Ar_6)) [ -Ar_6 + 1 >= 0 /\ Ar_5 - Ar_6 >= 0 /\ -Ar_5 - Ar_6 + 3 >= 0 /\ Ar_4 - Ar_6 - 1 >= 0 /\ -Ar_4 - Ar_6 + 3 >= 0 /\ Ar_2 - Ar_6 + 1 >= 0 /\ Ar_0 - Ar_6 >= 0 /\ Ar_6 >= 0 /\ Ar_5 + Ar_6 - 1 >= 0 /\ -Ar_5 + Ar_6 + 2 >= 0 /\ Ar_4 + Ar_6 - 2 >= 0 /\ -Ar_4 + Ar_6 + 2 >= 0 /\ Ar_2 + Ar_6 >= 0 /\ Ar_0 + Ar_6 - 1 >= 0 /\ -Ar_5 + 2 >= 0 /\ Ar_4 - Ar_5 >= 0 /\ -Ar_4 - Ar_5 + 4 >= 0 /\ Ar_2 - Ar_5 + 2 >= 0 /\ Ar_0 - Ar_5 + 1 >= 0 /\ Ar_5 - 1 >= 0 /\ Ar_4 + Ar_5 - 3 >= 0 /\ -Ar_4 + Ar_5 + 1 >= 0 /\ Ar_2 + Ar_5 - 1 >= 0 /\ Ar_0 + Ar_5 - 2 >= 0 /\ -Ar_4 + 2 >= 0 /\ Ar_2 - Ar_4 + 2 >= 0 /\ Ar_0 - Ar_4 + 1 >= 0 /\ Ar_4 - 2 >= 0 /\ Ar_2 + Ar_4 - 2 >= 0 /\ Ar_0 + Ar_4 - 3 >= 0 /\ Ar_2 >= 0 /\ Ar_0 + Ar_2 - 1 >= 0 /\ Ar_0 - Ar_1 >= 0 /\ Ar_0 - 1 >= 0 /\ 0 >= Ar_6 ]
		(Comp: ?, Cost: 1)    f21(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f10(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5 + 1, Ar_6)) [ -Ar_6 + 1 >= 0 /\ Ar_5 - Ar_6 >= 0 /\ -Ar_5 - Ar_6 + 3 >= 0 /\ Ar_4 - Ar_6 - 1 >= 0 /\ -Ar_4 - Ar_6 + 3 >= 0 /\ Ar_2 - Ar_6 + 1 >= 0 /\ Ar_0 - Ar_6 >= 0 /\ Ar_6 >= 0 /\ Ar_5 + Ar_6 - 1 >= 0 /\ -Ar_5 + Ar_6 + 2 >= 0 /\ Ar_4 + Ar_6 - 2 >= 0 /\ -Ar_4 + Ar_6 + 2 >= 0 /\ Ar_2 + Ar_6 >= 0 /\ Ar_0 + Ar_6 - 1 >= 0 /\ -Ar_5 + 2 >= 0 /\ Ar_4 - Ar_5 >= 0 /\ -Ar_4 - Ar_5 + 4 >= 0 /\ Ar_2 - Ar_5 + 2 >= 0 /\ Ar_0 - Ar_5 + 1 >= 0 /\ Ar_5 - 1 >= 0 /\ Ar_4 + Ar_5 - 3 >= 0 /\ -Ar_4 + Ar_5 + 1 >= 0 /\ Ar_2 + Ar_5 - 1 >= 0 /\ Ar_0 + Ar_5 - 2 >= 0 /\ -Ar_4 + 2 >= 0 /\ Ar_2 - Ar_4 + 2 >= 0 /\ Ar_0 - Ar_4 + 1 >= 0 /\ Ar_4 - 2 >= 0 /\ Ar_2 + Ar_4 - 2 >= 0 /\ Ar_0 + Ar_4 - 3 >= 0 /\ Ar_2 >= 0 /\ Ar_0 + Ar_2 - 1 >= 0 /\ Ar_0 - Ar_1 >= 0 /\ Ar_0 - 1 >= 0 /\ Ar_6 >= 1 ]
		(Comp: 1, Cost: 1)    f10(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f31(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6)) [ -Ar_4 + 2 >= 0 /\ Ar_2 - Ar_4 + 2 >= 0 /\ Ar_0 - Ar_4 + 1 >= 0 /\ Ar_4 - 2 >= 0 /\ Ar_2 + Ar_4 - 2 >= 0 /\ Ar_0 + Ar_4 - 3 >= 0 /\ Ar_2 >= 0 /\ Ar_0 + Ar_2 - 1 >= 0 /\ Ar_0 - Ar_1 >= 0 /\ Ar_0 - 1 >= 0 /\ 0 >= Ar_5 /\ Ar_4 >= Ar_5 ]
		(Comp: 1, Cost: 1)    f10(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f31(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6)) [ -Ar_4 + 2 >= 0 /\ Ar_2 - Ar_4 + 2 >= 0 /\ Ar_0 - Ar_4 + 1 >= 0 /\ Ar_4 - 2 >= 0 /\ Ar_2 + Ar_4 - 2 >= 0 /\ Ar_0 + Ar_4 - 3 >= 0 /\ Ar_2 >= 0 /\ Ar_0 + Ar_2 - 1 >= 0 /\ Ar_0 - Ar_1 >= 0 /\ Ar_0 - 1 >= 0 /\ Ar_5 >= Ar_4 + 1 ]
		(Comp: 1, Cost: 0)    koat_start(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f0(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6)) [ 0 <= 0 ]
	start location:	koat_start
	leaf cost:	0

By chaining the transition f10(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f21(Ar_0, Ar_1 - 1, Ar_2, Ar_4, Ar_5, 0)) [ -Ar_4 + 2 >= 0 /\ Ar_2 - Ar_4 + 2 >= 0 /\ Ar_0 - Ar_4 + 1 >= 0 /\ Ar_4 - 2 >= 0 /\ Ar_2 + Ar_4 - 2 >= 0 /\ Ar_0 + Ar_4 - 3 >= 0 /\ Ar_2 >= 0 /\ Ar_0 + Ar_2 - 1 >= 0 /\ Ar_0 - Ar_1 >= 0 /\ Ar_0 - 1 >= 0 /\ Ar_5 >= 1 /\ Ar_4 >= Ar_5 /\ Ar_1 >= 1 /\ 0 >= Ar_2 ] with all transitions in problem 5, the following new transition is obtained:
	f10(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f10(Ar_0, Ar_1 - 1, Ar_2, Ar_4, Ar_5 - 1, 0)) [ -Ar_4 + 2 >= 0 /\ Ar_2 - Ar_4 + 2 >= 0 /\ Ar_0 - Ar_4 + 1 >= 0 /\ Ar_4 - 2 >= 0 /\ Ar_2 + Ar_4 - 2 >= 0 /\ Ar_0 + Ar_4 - 3 >= 0 /\ Ar_2 >= 0 /\ Ar_0 + Ar_2 - 1 >= 0 /\ Ar_0 - Ar_1 >= 0 /\ Ar_0 - 1 >= 0 /\ Ar_5 >= 1 /\ Ar_4 >= Ar_5 /\ Ar_1 >= 1 /\ 0 >= Ar_2 /\ 1 >= 0 /\ Ar_5 >= 0 /\ -Ar_5 + 3 >= 0 /\ Ar_4 - 1 >= 0 /\ -Ar_4 + 3 >= 0 /\ Ar_2 + 1 >= 0 /\ Ar_0 >= 0 /\ 0 >= 0 /\ Ar_5 - 1 >= 0 /\ -Ar_5 + 2 >= 0 /\ Ar_4 - Ar_5 >= 0 /\ -Ar_4 - Ar_5 + 4 >= 0 /\ Ar_2 - Ar_5 + 2 >= 0 /\ Ar_0 - Ar_5 + 1 >= 0 /\ Ar_4 + Ar_5 - 3 >= 0 /\ -Ar_4 + Ar_5 + 1 >= 0 /\ Ar_2 + Ar_5 - 1 >= 0 /\ Ar_0 + Ar_5 - 2 >= 0 /\ Ar_0 - Ar_1 + 1 >= 0 ]
We thus obtain the following problem:
6:	T:
		(Comp: ?, Cost: 2)    f10(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f10(Ar_0, Ar_1 - 1, Ar_2, Ar_4, Ar_5 - 1, 0)) [ -Ar_4 + 2 >= 0 /\ Ar_2 - Ar_4 + 2 >= 0 /\ Ar_0 - Ar_4 + 1 >= 0 /\ Ar_4 - 2 >= 0 /\ Ar_2 + Ar_4 - 2 >= 0 /\ Ar_0 + Ar_4 - 3 >= 0 /\ Ar_2 >= 0 /\ Ar_0 + Ar_2 - 1 >= 0 /\ Ar_0 - Ar_1 >= 0 /\ Ar_0 - 1 >= 0 /\ Ar_5 >= 1 /\ Ar_4 >= Ar_5 /\ Ar_1 >= 1 /\ 0 >= Ar_2 /\ 1 >= 0 /\ Ar_5 >= 0 /\ -Ar_5 + 3 >= 0 /\ Ar_4 - 1 >= 0 /\ -Ar_4 + 3 >= 0 /\ Ar_2 + 1 >= 0 /\ Ar_0 >= 0 /\ 0 >= 0 /\ Ar_5 - 1 >= 0 /\ -Ar_5 + 2 >= 0 /\ Ar_4 - Ar_5 >= 0 /\ -Ar_4 - Ar_5 + 4 >= 0 /\ Ar_2 - Ar_5 + 2 >= 0 /\ Ar_0 - Ar_5 + 1 >= 0 /\ Ar_4 + Ar_5 - 3 >= 0 /\ -Ar_4 + Ar_5 + 1 >= 0 /\ Ar_2 + Ar_5 - 1 >= 0 /\ Ar_0 + Ar_5 - 2 >= 0 /\ Ar_0 - Ar_1 + 1 >= 0 ]
		(Comp: 1, Cost: 1)    f0(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f10(1, 1, Fresh_3, 2, 1, Ar_6)) [ Fresh_3 >= 0 ]
		(Comp: ?, Cost: 1)    f10(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f21(Ar_0 + 1, Ar_0 + 1, Fresh_1, Ar_4, Ar_5, Fresh_2)) [ -Ar_4 + 2 >= 0 /\ Ar_2 - Ar_4 + 2 >= 0 /\ Ar_0 - Ar_4 + 1 >= 0 /\ Ar_4 - 2 >= 0 /\ Ar_2 + Ar_4 - 2 >= 0 /\ Ar_0 + Ar_4 - 3 >= 0 /\ Ar_2 >= 0 /\ Ar_0 + Ar_2 - 1 >= 0 /\ Ar_0 - Ar_1 >= 0 /\ Ar_0 - 1 >= 0 /\ Fresh_2 >= 0 /\ 1 >= Fresh_2 /\ Fresh_1 >= 0 /\ Ar_5 >= 1 /\ Ar_4 >= Ar_5 /\ 0 >= Ar_1 /\ 0 >= Ar_2 ]
		(Comp: ?, Cost: 1)    f10(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f21(Ar_0, Ar_1, Ar_2 - 1, Ar_4, Ar_5, Fresh_0)) [ -Ar_4 + 2 >= 0 /\ Ar_2 - Ar_4 + 2 >= 0 /\ Ar_0 - Ar_4 + 1 >= 0 /\ Ar_4 - 2 >= 0 /\ Ar_2 + Ar_4 - 2 >= 0 /\ Ar_0 + Ar_4 - 3 >= 0 /\ Ar_2 >= 0 /\ Ar_0 + Ar_2 - 1 >= 0 /\ Ar_0 - Ar_1 >= 0 /\ Ar_0 - 1 >= 0 /\ Fresh_0 >= 0 /\ 1 >= Fresh_0 /\ Ar_5 >= 1 /\ Ar_2 >= 1 /\ Ar_4 >= Ar_5 ]
		(Comp: ?, Cost: 1)    f21(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f10(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5 - 1, Ar_6)) [ -Ar_6 + 1 >= 0 /\ Ar_5 - Ar_6 >= 0 /\ -Ar_5 - Ar_6 + 3 >= 0 /\ Ar_4 - Ar_6 - 1 >= 0 /\ -Ar_4 - Ar_6 + 3 >= 0 /\ Ar_2 - Ar_6 + 1 >= 0 /\ Ar_0 - Ar_6 >= 0 /\ Ar_6 >= 0 /\ Ar_5 + Ar_6 - 1 >= 0 /\ -Ar_5 + Ar_6 + 2 >= 0 /\ Ar_4 + Ar_6 - 2 >= 0 /\ -Ar_4 + Ar_6 + 2 >= 0 /\ Ar_2 + Ar_6 >= 0 /\ Ar_0 + Ar_6 - 1 >= 0 /\ -Ar_5 + 2 >= 0 /\ Ar_4 - Ar_5 >= 0 /\ -Ar_4 - Ar_5 + 4 >= 0 /\ Ar_2 - Ar_5 + 2 >= 0 /\ Ar_0 - Ar_5 + 1 >= 0 /\ Ar_5 - 1 >= 0 /\ Ar_4 + Ar_5 - 3 >= 0 /\ -Ar_4 + Ar_5 + 1 >= 0 /\ Ar_2 + Ar_5 - 1 >= 0 /\ Ar_0 + Ar_5 - 2 >= 0 /\ -Ar_4 + 2 >= 0 /\ Ar_2 - Ar_4 + 2 >= 0 /\ Ar_0 - Ar_4 + 1 >= 0 /\ Ar_4 - 2 >= 0 /\ Ar_2 + Ar_4 - 2 >= 0 /\ Ar_0 + Ar_4 - 3 >= 0 /\ Ar_2 >= 0 /\ Ar_0 + Ar_2 - 1 >= 0 /\ Ar_0 - Ar_1 >= 0 /\ Ar_0 - 1 >= 0 /\ 0 >= Ar_6 ]
		(Comp: ?, Cost: 1)    f21(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f10(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5 + 1, Ar_6)) [ -Ar_6 + 1 >= 0 /\ Ar_5 - Ar_6 >= 0 /\ -Ar_5 - Ar_6 + 3 >= 0 /\ Ar_4 - Ar_6 - 1 >= 0 /\ -Ar_4 - Ar_6 + 3 >= 0 /\ Ar_2 - Ar_6 + 1 >= 0 /\ Ar_0 - Ar_6 >= 0 /\ Ar_6 >= 0 /\ Ar_5 + Ar_6 - 1 >= 0 /\ -Ar_5 + Ar_6 + 2 >= 0 /\ Ar_4 + Ar_6 - 2 >= 0 /\ -Ar_4 + Ar_6 + 2 >= 0 /\ Ar_2 + Ar_6 >= 0 /\ Ar_0 + Ar_6 - 1 >= 0 /\ -Ar_5 + 2 >= 0 /\ Ar_4 - Ar_5 >= 0 /\ -Ar_4 - Ar_5 + 4 >= 0 /\ Ar_2 - Ar_5 + 2 >= 0 /\ Ar_0 - Ar_5 + 1 >= 0 /\ Ar_5 - 1 >= 0 /\ Ar_4 + Ar_5 - 3 >= 0 /\ -Ar_4 + Ar_5 + 1 >= 0 /\ Ar_2 + Ar_5 - 1 >= 0 /\ Ar_0 + Ar_5 - 2 >= 0 /\ -Ar_4 + 2 >= 0 /\ Ar_2 - Ar_4 + 2 >= 0 /\ Ar_0 - Ar_4 + 1 >= 0 /\ Ar_4 - 2 >= 0 /\ Ar_2 + Ar_4 - 2 >= 0 /\ Ar_0 + Ar_4 - 3 >= 0 /\ Ar_2 >= 0 /\ Ar_0 + Ar_2 - 1 >= 0 /\ Ar_0 - Ar_1 >= 0 /\ Ar_0 - 1 >= 0 /\ Ar_6 >= 1 ]
		(Comp: 1, Cost: 1)    f10(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f31(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6)) [ -Ar_4 + 2 >= 0 /\ Ar_2 - Ar_4 + 2 >= 0 /\ Ar_0 - Ar_4 + 1 >= 0 /\ Ar_4 - 2 >= 0 /\ Ar_2 + Ar_4 - 2 >= 0 /\ Ar_0 + Ar_4 - 3 >= 0 /\ Ar_2 >= 0 /\ Ar_0 + Ar_2 - 1 >= 0 /\ Ar_0 - Ar_1 >= 0 /\ Ar_0 - 1 >= 0 /\ 0 >= Ar_5 /\ Ar_4 >= Ar_5 ]
		(Comp: 1, Cost: 1)    f10(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f31(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6)) [ -Ar_4 + 2 >= 0 /\ Ar_2 - Ar_4 + 2 >= 0 /\ Ar_0 - Ar_4 + 1 >= 0 /\ Ar_4 - 2 >= 0 /\ Ar_2 + Ar_4 - 2 >= 0 /\ Ar_0 + Ar_4 - 3 >= 0 /\ Ar_2 >= 0 /\ Ar_0 + Ar_2 - 1 >= 0 /\ Ar_0 - Ar_1 >= 0 /\ Ar_0 - 1 >= 0 /\ Ar_5 >= Ar_4 + 1 ]
		(Comp: 1, Cost: 0)    koat_start(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f0(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6)) [ 0 <= 0 ]
	start location:	koat_start
	leaf cost:	0

By chaining the transition koat_start(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f0(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6)) [ 0 <= 0 ] with all transitions in problem 6, the following new transition is obtained:
	koat_start(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f10(1, 1, Fresh_3, 2, 1, Ar_6)) [ 0 <= 0 /\ Fresh_3 >= 0 ]
We thus obtain the following problem:
7:	T:
		(Comp: 1, Cost: 1)    koat_start(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f10(1, 1, Fresh_3, 2, 1, Ar_6)) [ 0 <= 0 /\ Fresh_3 >= 0 ]
		(Comp: ?, Cost: 2)    f10(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f10(Ar_0, Ar_1 - 1, Ar_2, Ar_4, Ar_5 - 1, 0)) [ -Ar_4 + 2 >= 0 /\ Ar_2 - Ar_4 + 2 >= 0 /\ Ar_0 - Ar_4 + 1 >= 0 /\ Ar_4 - 2 >= 0 /\ Ar_2 + Ar_4 - 2 >= 0 /\ Ar_0 + Ar_4 - 3 >= 0 /\ Ar_2 >= 0 /\ Ar_0 + Ar_2 - 1 >= 0 /\ Ar_0 - Ar_1 >= 0 /\ Ar_0 - 1 >= 0 /\ Ar_5 >= 1 /\ Ar_4 >= Ar_5 /\ Ar_1 >= 1 /\ 0 >= Ar_2 /\ 1 >= 0 /\ Ar_5 >= 0 /\ -Ar_5 + 3 >= 0 /\ Ar_4 - 1 >= 0 /\ -Ar_4 + 3 >= 0 /\ Ar_2 + 1 >= 0 /\ Ar_0 >= 0 /\ 0 >= 0 /\ Ar_5 - 1 >= 0 /\ -Ar_5 + 2 >= 0 /\ Ar_4 - Ar_5 >= 0 /\ -Ar_4 - Ar_5 + 4 >= 0 /\ Ar_2 - Ar_5 + 2 >= 0 /\ Ar_0 - Ar_5 + 1 >= 0 /\ Ar_4 + Ar_5 - 3 >= 0 /\ -Ar_4 + Ar_5 + 1 >= 0 /\ Ar_2 + Ar_5 - 1 >= 0 /\ Ar_0 + Ar_5 - 2 >= 0 /\ Ar_0 - Ar_1 + 1 >= 0 ]
		(Comp: 1, Cost: 1)    f0(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f10(1, 1, Fresh_3, 2, 1, Ar_6)) [ Fresh_3 >= 0 ]
		(Comp: ?, Cost: 1)    f10(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f21(Ar_0 + 1, Ar_0 + 1, Fresh_1, Ar_4, Ar_5, Fresh_2)) [ -Ar_4 + 2 >= 0 /\ Ar_2 - Ar_4 + 2 >= 0 /\ Ar_0 - Ar_4 + 1 >= 0 /\ Ar_4 - 2 >= 0 /\ Ar_2 + Ar_4 - 2 >= 0 /\ Ar_0 + Ar_4 - 3 >= 0 /\ Ar_2 >= 0 /\ Ar_0 + Ar_2 - 1 >= 0 /\ Ar_0 - Ar_1 >= 0 /\ Ar_0 - 1 >= 0 /\ Fresh_2 >= 0 /\ 1 >= Fresh_2 /\ Fresh_1 >= 0 /\ Ar_5 >= 1 /\ Ar_4 >= Ar_5 /\ 0 >= Ar_1 /\ 0 >= Ar_2 ]
		(Comp: ?, Cost: 1)    f10(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f21(Ar_0, Ar_1, Ar_2 - 1, Ar_4, Ar_5, Fresh_0)) [ -Ar_4 + 2 >= 0 /\ Ar_2 - Ar_4 + 2 >= 0 /\ Ar_0 - Ar_4 + 1 >= 0 /\ Ar_4 - 2 >= 0 /\ Ar_2 + Ar_4 - 2 >= 0 /\ Ar_0 + Ar_4 - 3 >= 0 /\ Ar_2 >= 0 /\ Ar_0 + Ar_2 - 1 >= 0 /\ Ar_0 - Ar_1 >= 0 /\ Ar_0 - 1 >= 0 /\ Fresh_0 >= 0 /\ 1 >= Fresh_0 /\ Ar_5 >= 1 /\ Ar_2 >= 1 /\ Ar_4 >= Ar_5 ]
		(Comp: ?, Cost: 1)    f21(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f10(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5 - 1, Ar_6)) [ -Ar_6 + 1 >= 0 /\ Ar_5 - Ar_6 >= 0 /\ -Ar_5 - Ar_6 + 3 >= 0 /\ Ar_4 - Ar_6 - 1 >= 0 /\ -Ar_4 - Ar_6 + 3 >= 0 /\ Ar_2 - Ar_6 + 1 >= 0 /\ Ar_0 - Ar_6 >= 0 /\ Ar_6 >= 0 /\ Ar_5 + Ar_6 - 1 >= 0 /\ -Ar_5 + Ar_6 + 2 >= 0 /\ Ar_4 + Ar_6 - 2 >= 0 /\ -Ar_4 + Ar_6 + 2 >= 0 /\ Ar_2 + Ar_6 >= 0 /\ Ar_0 + Ar_6 - 1 >= 0 /\ -Ar_5 + 2 >= 0 /\ Ar_4 - Ar_5 >= 0 /\ -Ar_4 - Ar_5 + 4 >= 0 /\ Ar_2 - Ar_5 + 2 >= 0 /\ Ar_0 - Ar_5 + 1 >= 0 /\ Ar_5 - 1 >= 0 /\ Ar_4 + Ar_5 - 3 >= 0 /\ -Ar_4 + Ar_5 + 1 >= 0 /\ Ar_2 + Ar_5 - 1 >= 0 /\ Ar_0 + Ar_5 - 2 >= 0 /\ -Ar_4 + 2 >= 0 /\ Ar_2 - Ar_4 + 2 >= 0 /\ Ar_0 - Ar_4 + 1 >= 0 /\ Ar_4 - 2 >= 0 /\ Ar_2 + Ar_4 - 2 >= 0 /\ Ar_0 + Ar_4 - 3 >= 0 /\ Ar_2 >= 0 /\ Ar_0 + Ar_2 - 1 >= 0 /\ Ar_0 - Ar_1 >= 0 /\ Ar_0 - 1 >= 0 /\ 0 >= Ar_6 ]
		(Comp: ?, Cost: 1)    f21(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f10(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5 + 1, Ar_6)) [ -Ar_6 + 1 >= 0 /\ Ar_5 - Ar_6 >= 0 /\ -Ar_5 - Ar_6 + 3 >= 0 /\ Ar_4 - Ar_6 - 1 >= 0 /\ -Ar_4 - Ar_6 + 3 >= 0 /\ Ar_2 - Ar_6 + 1 >= 0 /\ Ar_0 - Ar_6 >= 0 /\ Ar_6 >= 0 /\ Ar_5 + Ar_6 - 1 >= 0 /\ -Ar_5 + Ar_6 + 2 >= 0 /\ Ar_4 + Ar_6 - 2 >= 0 /\ -Ar_4 + Ar_6 + 2 >= 0 /\ Ar_2 + Ar_6 >= 0 /\ Ar_0 + Ar_6 - 1 >= 0 /\ -Ar_5 + 2 >= 0 /\ Ar_4 - Ar_5 >= 0 /\ -Ar_4 - Ar_5 + 4 >= 0 /\ Ar_2 - Ar_5 + 2 >= 0 /\ Ar_0 - Ar_5 + 1 >= 0 /\ Ar_5 - 1 >= 0 /\ Ar_4 + Ar_5 - 3 >= 0 /\ -Ar_4 + Ar_5 + 1 >= 0 /\ Ar_2 + Ar_5 - 1 >= 0 /\ Ar_0 + Ar_5 - 2 >= 0 /\ -Ar_4 + 2 >= 0 /\ Ar_2 - Ar_4 + 2 >= 0 /\ Ar_0 - Ar_4 + 1 >= 0 /\ Ar_4 - 2 >= 0 /\ Ar_2 + Ar_4 - 2 >= 0 /\ Ar_0 + Ar_4 - 3 >= 0 /\ Ar_2 >= 0 /\ Ar_0 + Ar_2 - 1 >= 0 /\ Ar_0 - Ar_1 >= 0 /\ Ar_0 - 1 >= 0 /\ Ar_6 >= 1 ]
		(Comp: 1, Cost: 1)    f10(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f31(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6)) [ -Ar_4 + 2 >= 0 /\ Ar_2 - Ar_4 + 2 >= 0 /\ Ar_0 - Ar_4 + 1 >= 0 /\ Ar_4 - 2 >= 0 /\ Ar_2 + Ar_4 - 2 >= 0 /\ Ar_0 + Ar_4 - 3 >= 0 /\ Ar_2 >= 0 /\ Ar_0 + Ar_2 - 1 >= 0 /\ Ar_0 - Ar_1 >= 0 /\ Ar_0 - 1 >= 0 /\ 0 >= Ar_5 /\ Ar_4 >= Ar_5 ]
		(Comp: 1, Cost: 1)    f10(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f31(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6)) [ -Ar_4 + 2 >= 0 /\ Ar_2 - Ar_4 + 2 >= 0 /\ Ar_0 - Ar_4 + 1 >= 0 /\ Ar_4 - 2 >= 0 /\ Ar_2 + Ar_4 - 2 >= 0 /\ Ar_0 + Ar_4 - 3 >= 0 /\ Ar_2 >= 0 /\ Ar_0 + Ar_2 - 1 >= 0 /\ Ar_0 - Ar_1 >= 0 /\ Ar_0 - 1 >= 0 /\ Ar_5 >= Ar_4 + 1 ]
	start location:	koat_start
	leaf cost:	0

Testing for reachability in the complexity graph removes the following transition from problem 7:
	f0(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f10(1, 1, Fresh_3, 2, 1, Ar_6)) [ Fresh_3 >= 0 ]
We thus obtain the following problem:
8:	T:
		(Comp: 1, Cost: 1)    f10(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f31(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6)) [ -Ar_4 + 2 >= 0 /\ Ar_2 - Ar_4 + 2 >= 0 /\ Ar_0 - Ar_4 + 1 >= 0 /\ Ar_4 - 2 >= 0 /\ Ar_2 + Ar_4 - 2 >= 0 /\ Ar_0 + Ar_4 - 3 >= 0 /\ Ar_2 >= 0 /\ Ar_0 + Ar_2 - 1 >= 0 /\ Ar_0 - Ar_1 >= 0 /\ Ar_0 - 1 >= 0 /\ Ar_5 >= Ar_4 + 1 ]
		(Comp: 1, Cost: 1)    f10(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f31(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6)) [ -Ar_4 + 2 >= 0 /\ Ar_2 - Ar_4 + 2 >= 0 /\ Ar_0 - Ar_4 + 1 >= 0 /\ Ar_4 - 2 >= 0 /\ Ar_2 + Ar_4 - 2 >= 0 /\ Ar_0 + Ar_4 - 3 >= 0 /\ Ar_2 >= 0 /\ Ar_0 + Ar_2 - 1 >= 0 /\ Ar_0 - Ar_1 >= 0 /\ Ar_0 - 1 >= 0 /\ 0 >= Ar_5 /\ Ar_4 >= Ar_5 ]
		(Comp: ?, Cost: 1)    f10(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f21(Ar_0 + 1, Ar_0 + 1, Fresh_1, Ar_4, Ar_5, Fresh_2)) [ -Ar_4 + 2 >= 0 /\ Ar_2 - Ar_4 + 2 >= 0 /\ Ar_0 - Ar_4 + 1 >= 0 /\ Ar_4 - 2 >= 0 /\ Ar_2 + Ar_4 - 2 >= 0 /\ Ar_0 + Ar_4 - 3 >= 0 /\ Ar_2 >= 0 /\ Ar_0 + Ar_2 - 1 >= 0 /\ Ar_0 - Ar_1 >= 0 /\ Ar_0 - 1 >= 0 /\ Fresh_2 >= 0 /\ 1 >= Fresh_2 /\ Fresh_1 >= 0 /\ Ar_5 >= 1 /\ Ar_4 >= Ar_5 /\ 0 >= Ar_1 /\ 0 >= Ar_2 ]
		(Comp: ?, Cost: 1)    f21(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f10(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5 + 1, Ar_6)) [ -Ar_6 + 1 >= 0 /\ Ar_5 - Ar_6 >= 0 /\ -Ar_5 - Ar_6 + 3 >= 0 /\ Ar_4 - Ar_6 - 1 >= 0 /\ -Ar_4 - Ar_6 + 3 >= 0 /\ Ar_2 - Ar_6 + 1 >= 0 /\ Ar_0 - Ar_6 >= 0 /\ Ar_6 >= 0 /\ Ar_5 + Ar_6 - 1 >= 0 /\ -Ar_5 + Ar_6 + 2 >= 0 /\ Ar_4 + Ar_6 - 2 >= 0 /\ -Ar_4 + Ar_6 + 2 >= 0 /\ Ar_2 + Ar_6 >= 0 /\ Ar_0 + Ar_6 - 1 >= 0 /\ -Ar_5 + 2 >= 0 /\ Ar_4 - Ar_5 >= 0 /\ -Ar_4 - Ar_5 + 4 >= 0 /\ Ar_2 - Ar_5 + 2 >= 0 /\ Ar_0 - Ar_5 + 1 >= 0 /\ Ar_5 - 1 >= 0 /\ Ar_4 + Ar_5 - 3 >= 0 /\ -Ar_4 + Ar_5 + 1 >= 0 /\ Ar_2 + Ar_5 - 1 >= 0 /\ Ar_0 + Ar_5 - 2 >= 0 /\ -Ar_4 + 2 >= 0 /\ Ar_2 - Ar_4 + 2 >= 0 /\ Ar_0 - Ar_4 + 1 >= 0 /\ Ar_4 - 2 >= 0 /\ Ar_2 + Ar_4 - 2 >= 0 /\ Ar_0 + Ar_4 - 3 >= 0 /\ Ar_2 >= 0 /\ Ar_0 + Ar_2 - 1 >= 0 /\ Ar_0 - Ar_1 >= 0 /\ Ar_0 - 1 >= 0 /\ Ar_6 >= 1 ]
		(Comp: ?, Cost: 1)    f21(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f10(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5 - 1, Ar_6)) [ -Ar_6 + 1 >= 0 /\ Ar_5 - Ar_6 >= 0 /\ -Ar_5 - Ar_6 + 3 >= 0 /\ Ar_4 - Ar_6 - 1 >= 0 /\ -Ar_4 - Ar_6 + 3 >= 0 /\ Ar_2 - Ar_6 + 1 >= 0 /\ Ar_0 - Ar_6 >= 0 /\ Ar_6 >= 0 /\ Ar_5 + Ar_6 - 1 >= 0 /\ -Ar_5 + Ar_6 + 2 >= 0 /\ Ar_4 + Ar_6 - 2 >= 0 /\ -Ar_4 + Ar_6 + 2 >= 0 /\ Ar_2 + Ar_6 >= 0 /\ Ar_0 + Ar_6 - 1 >= 0 /\ -Ar_5 + 2 >= 0 /\ Ar_4 - Ar_5 >= 0 /\ -Ar_4 - Ar_5 + 4 >= 0 /\ Ar_2 - Ar_5 + 2 >= 0 /\ Ar_0 - Ar_5 + 1 >= 0 /\ Ar_5 - 1 >= 0 /\ Ar_4 + Ar_5 - 3 >= 0 /\ -Ar_4 + Ar_5 + 1 >= 0 /\ Ar_2 + Ar_5 - 1 >= 0 /\ Ar_0 + Ar_5 - 2 >= 0 /\ -Ar_4 + 2 >= 0 /\ Ar_2 - Ar_4 + 2 >= 0 /\ Ar_0 - Ar_4 + 1 >= 0 /\ Ar_4 - 2 >= 0 /\ Ar_2 + Ar_4 - 2 >= 0 /\ Ar_0 + Ar_4 - 3 >= 0 /\ Ar_2 >= 0 /\ Ar_0 + Ar_2 - 1 >= 0 /\ Ar_0 - Ar_1 >= 0 /\ Ar_0 - 1 >= 0 /\ 0 >= Ar_6 ]
		(Comp: ?, Cost: 2)    f10(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f10(Ar_0, Ar_1 - 1, Ar_2, Ar_4, Ar_5 - 1, 0)) [ -Ar_4 + 2 >= 0 /\ Ar_2 - Ar_4 + 2 >= 0 /\ Ar_0 - Ar_4 + 1 >= 0 /\ Ar_4 - 2 >= 0 /\ Ar_2 + Ar_4 - 2 >= 0 /\ Ar_0 + Ar_4 - 3 >= 0 /\ Ar_2 >= 0 /\ Ar_0 + Ar_2 - 1 >= 0 /\ Ar_0 - Ar_1 >= 0 /\ Ar_0 - 1 >= 0 /\ Ar_5 >= 1 /\ Ar_4 >= Ar_5 /\ Ar_1 >= 1 /\ 0 >= Ar_2 /\ 1 >= 0 /\ Ar_5 >= 0 /\ -Ar_5 + 3 >= 0 /\ Ar_4 - 1 >= 0 /\ -Ar_4 + 3 >= 0 /\ Ar_2 + 1 >= 0 /\ Ar_0 >= 0 /\ 0 >= 0 /\ Ar_5 - 1 >= 0 /\ -Ar_5 + 2 >= 0 /\ Ar_4 - Ar_5 >= 0 /\ -Ar_4 - Ar_5 + 4 >= 0 /\ Ar_2 - Ar_5 + 2 >= 0 /\ Ar_0 - Ar_5 + 1 >= 0 /\ Ar_4 + Ar_5 - 3 >= 0 /\ -Ar_4 + Ar_5 + 1 >= 0 /\ Ar_2 + Ar_5 - 1 >= 0 /\ Ar_0 + Ar_5 - 2 >= 0 /\ Ar_0 - Ar_1 + 1 >= 0 ]
		(Comp: ?, Cost: 1)    f10(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f21(Ar_0, Ar_1, Ar_2 - 1, Ar_4, Ar_5, Fresh_0)) [ -Ar_4 + 2 >= 0 /\ Ar_2 - Ar_4 + 2 >= 0 /\ Ar_0 - Ar_4 + 1 >= 0 /\ Ar_4 - 2 >= 0 /\ Ar_2 + Ar_4 - 2 >= 0 /\ Ar_0 + Ar_4 - 3 >= 0 /\ Ar_2 >= 0 /\ Ar_0 + Ar_2 - 1 >= 0 /\ Ar_0 - Ar_1 >= 0 /\ Ar_0 - 1 >= 0 /\ Fresh_0 >= 0 /\ 1 >= Fresh_0 /\ Ar_5 >= 1 /\ Ar_2 >= 1 /\ Ar_4 >= Ar_5 ]
		(Comp: 1, Cost: 1)    koat_start(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f10(1, 1, Fresh_3, 2, 1, Ar_6)) [ 0 <= 0 /\ Fresh_3 >= 0 ]
	start location:	koat_start
	leaf cost:	0

By chaining the transition f10(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f21(Ar_0 + 1, Ar_0 + 1, Fresh_1, Ar_4, Ar_5, Fresh_2)) [ -Ar_4 + 2 >= 0 /\ Ar_2 - Ar_4 + 2 >= 0 /\ Ar_0 - Ar_4 + 1 >= 0 /\ Ar_4 - 2 >= 0 /\ Ar_2 + Ar_4 - 2 >= 0 /\ Ar_0 + Ar_4 - 3 >= 0 /\ Ar_2 >= 0 /\ Ar_0 + Ar_2 - 1 >= 0 /\ Ar_0 - Ar_1 >= 0 /\ Ar_0 - 1 >= 0 /\ Fresh_2 >= 0 /\ 1 >= Fresh_2 /\ Fresh_1 >= 0 /\ Ar_5 >= 1 /\ Ar_4 >= Ar_5 /\ 0 >= Ar_1 /\ 0 >= Ar_2 ] with all transitions in problem 8, the following new transitions are obtained:
	f10(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f10(Ar_0 + 1, Ar_0 + 1, Fresh_1, Ar_4, Ar_5 + 1, Fresh_2)) [ -Ar_4 + 2 >= 0 /\ Ar_2 - Ar_4 + 2 >= 0 /\ Ar_0 - Ar_4 + 1 >= 0 /\ Ar_4 - 2 >= 0 /\ Ar_2 + Ar_4 - 2 >= 0 /\ Ar_0 + Ar_4 - 3 >= 0 /\ Ar_2 >= 0 /\ Ar_0 + Ar_2 - 1 >= 0 /\ Ar_0 - Ar_1 >= 0 /\ Ar_0 - 1 >= 0 /\ Fresh_2 >= 0 /\ 1 >= Fresh_2 /\ Fresh_1 >= 0 /\ Ar_5 >= 1 /\ Ar_4 >= Ar_5 /\ 0 >= Ar_1 /\ 0 >= Ar_2 /\ -Fresh_2 + 1 >= 0 /\ Ar_5 - Fresh_2 >= 0 /\ -Ar_5 - Fresh_2 + 3 >= 0 /\ Ar_4 - Fresh_2 - 1 >= 0 /\ -Ar_4 - Fresh_2 + 3 >= 0 /\ Fresh_1 - Fresh_2 + 1 >= 0 /\ Ar_0 - Fresh_2 + 1 >= 0 /\ Ar_5 + Fresh_2 - 1 >= 0 /\ -Ar_5 + Fresh_2 + 2 >= 0 /\ Ar_4 + Fresh_2 - 2 >= 0 /\ -Ar_4 + Fresh_2 + 2 >= 0 /\ Fresh_1 + Fresh_2 >= 0 /\ Ar_0 + Fresh_2 >= 0 /\ -Ar_5 + 2 >= 0 /\ Ar_4 - Ar_5 >= 0 /\ -Ar_4 - Ar_5 + 4 >= 0 /\ Fresh_1 - Ar_5 + 2 >= 0 /\ Ar_0 - Ar_5 + 2 >= 0 /\ Ar_5 - 1 >= 0 /\ Ar_4 + Ar_5 - 3 >= 0 /\ -Ar_4 + Ar_5 + 1 >= 0 /\ Fresh_1 + Ar_5 - 1 >= 0 /\ Ar_0 + Ar_5 - 1 >= 0 /\ Fresh_1 - Ar_4 + 2 >= 0 /\ Ar_0 - Ar_4 + 2 >= 0 /\ Fresh_1 + Ar_4 - 2 >= 0 /\ Ar_0 + Ar_4 - 2 >= 0 /\ Ar_0 + Fresh_1 >= 0 /\ 0 >= 0 /\ Ar_0 >= 0 /\ Fresh_2 >= 1 ]
	f10(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f10(Ar_0 + 1, Ar_0 + 1, Fresh_1, Ar_4, Ar_5 - 1, Fresh_2)) [ -Ar_4 + 2 >= 0 /\ Ar_2 - Ar_4 + 2 >= 0 /\ Ar_0 - Ar_4 + 1 >= 0 /\ Ar_4 - 2 >= 0 /\ Ar_2 + Ar_4 - 2 >= 0 /\ Ar_0 + Ar_4 - 3 >= 0 /\ Ar_2 >= 0 /\ Ar_0 + Ar_2 - 1 >= 0 /\ Ar_0 - Ar_1 >= 0 /\ Ar_0 - 1 >= 0 /\ Fresh_2 >= 0 /\ 1 >= Fresh_2 /\ Fresh_1 >= 0 /\ Ar_5 >= 1 /\ Ar_4 >= Ar_5 /\ 0 >= Ar_1 /\ 0 >= Ar_2 /\ -Fresh_2 + 1 >= 0 /\ Ar_5 - Fresh_2 >= 0 /\ -Ar_5 - Fresh_2 + 3 >= 0 /\ Ar_4 - Fresh_2 - 1 >= 0 /\ -Ar_4 - Fresh_2 + 3 >= 0 /\ Fresh_1 - Fresh_2 + 1 >= 0 /\ Ar_0 - Fresh_2 + 1 >= 0 /\ Ar_5 + Fresh_2 - 1 >= 0 /\ -Ar_5 + Fresh_2 + 2 >= 0 /\ Ar_4 + Fresh_2 - 2 >= 0 /\ -Ar_4 + Fresh_2 + 2 >= 0 /\ Fresh_1 + Fresh_2 >= 0 /\ Ar_0 + Fresh_2 >= 0 /\ -Ar_5 + 2 >= 0 /\ Ar_4 - Ar_5 >= 0 /\ -Ar_4 - Ar_5 + 4 >= 0 /\ Fresh_1 - Ar_5 + 2 >= 0 /\ Ar_0 - Ar_5 + 2 >= 0 /\ Ar_5 - 1 >= 0 /\ Ar_4 + Ar_5 - 3 >= 0 /\ -Ar_4 + Ar_5 + 1 >= 0 /\ Fresh_1 + Ar_5 - 1 >= 0 /\ Ar_0 + Ar_5 - 1 >= 0 /\ Fresh_1 - Ar_4 + 2 >= 0 /\ Ar_0 - Ar_4 + 2 >= 0 /\ Fresh_1 + Ar_4 - 2 >= 0 /\ Ar_0 + Ar_4 - 2 >= 0 /\ Ar_0 + Fresh_1 >= 0 /\ 0 >= 0 /\ Ar_0 >= 0 /\ 0 >= Fresh_2 ]
We thus obtain the following problem:
9:	T:
		(Comp: ?, Cost: 2)    f10(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f10(Ar_0 + 1, Ar_0 + 1, Fresh_1, Ar_4, Ar_5 + 1, Fresh_2)) [ -Ar_4 + 2 >= 0 /\ Ar_2 - Ar_4 + 2 >= 0 /\ Ar_0 - Ar_4 + 1 >= 0 /\ Ar_4 - 2 >= 0 /\ Ar_2 + Ar_4 - 2 >= 0 /\ Ar_0 + Ar_4 - 3 >= 0 /\ Ar_2 >= 0 /\ Ar_0 + Ar_2 - 1 >= 0 /\ Ar_0 - Ar_1 >= 0 /\ Ar_0 - 1 >= 0 /\ Fresh_2 >= 0 /\ 1 >= Fresh_2 /\ Fresh_1 >= 0 /\ Ar_5 >= 1 /\ Ar_4 >= Ar_5 /\ 0 >= Ar_1 /\ 0 >= Ar_2 /\ -Fresh_2 + 1 >= 0 /\ Ar_5 - Fresh_2 >= 0 /\ -Ar_5 - Fresh_2 + 3 >= 0 /\ Ar_4 - Fresh_2 - 1 >= 0 /\ -Ar_4 - Fresh_2 + 3 >= 0 /\ Fresh_1 - Fresh_2 + 1 >= 0 /\ Ar_0 - Fresh_2 + 1 >= 0 /\ Ar_5 + Fresh_2 - 1 >= 0 /\ -Ar_5 + Fresh_2 + 2 >= 0 /\ Ar_4 + Fresh_2 - 2 >= 0 /\ -Ar_4 + Fresh_2 + 2 >= 0 /\ Fresh_1 + Fresh_2 >= 0 /\ Ar_0 + Fresh_2 >= 0 /\ -Ar_5 + 2 >= 0 /\ Ar_4 - Ar_5 >= 0 /\ -Ar_4 - Ar_5 + 4 >= 0 /\ Fresh_1 - Ar_5 + 2 >= 0 /\ Ar_0 - Ar_5 + 2 >= 0 /\ Ar_5 - 1 >= 0 /\ Ar_4 + Ar_5 - 3 >= 0 /\ -Ar_4 + Ar_5 + 1 >= 0 /\ Fresh_1 + Ar_5 - 1 >= 0 /\ Ar_0 + Ar_5 - 1 >= 0 /\ Fresh_1 - Ar_4 + 2 >= 0 /\ Ar_0 - Ar_4 + 2 >= 0 /\ Fresh_1 + Ar_4 - 2 >= 0 /\ Ar_0 + Ar_4 - 2 >= 0 /\ Ar_0 + Fresh_1 >= 0 /\ 0 >= 0 /\ Ar_0 >= 0 /\ Fresh_2 >= 1 ]
		(Comp: ?, Cost: 2)    f10(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f10(Ar_0 + 1, Ar_0 + 1, Fresh_1, Ar_4, Ar_5 - 1, Fresh_2)) [ -Ar_4 + 2 >= 0 /\ Ar_2 - Ar_4 + 2 >= 0 /\ Ar_0 - Ar_4 + 1 >= 0 /\ Ar_4 - 2 >= 0 /\ Ar_2 + Ar_4 - 2 >= 0 /\ Ar_0 + Ar_4 - 3 >= 0 /\ Ar_2 >= 0 /\ Ar_0 + Ar_2 - 1 >= 0 /\ Ar_0 - Ar_1 >= 0 /\ Ar_0 - 1 >= 0 /\ Fresh_2 >= 0 /\ 1 >= Fresh_2 /\ Fresh_1 >= 0 /\ Ar_5 >= 1 /\ Ar_4 >= Ar_5 /\ 0 >= Ar_1 /\ 0 >= Ar_2 /\ -Fresh_2 + 1 >= 0 /\ Ar_5 - Fresh_2 >= 0 /\ -Ar_5 - Fresh_2 + 3 >= 0 /\ Ar_4 - Fresh_2 - 1 >= 0 /\ -Ar_4 - Fresh_2 + 3 >= 0 /\ Fresh_1 - Fresh_2 + 1 >= 0 /\ Ar_0 - Fresh_2 + 1 >= 0 /\ Ar_5 + Fresh_2 - 1 >= 0 /\ -Ar_5 + Fresh_2 + 2 >= 0 /\ Ar_4 + Fresh_2 - 2 >= 0 /\ -Ar_4 + Fresh_2 + 2 >= 0 /\ Fresh_1 + Fresh_2 >= 0 /\ Ar_0 + Fresh_2 >= 0 /\ -Ar_5 + 2 >= 0 /\ Ar_4 - Ar_5 >= 0 /\ -Ar_4 - Ar_5 + 4 >= 0 /\ Fresh_1 - Ar_5 + 2 >= 0 /\ Ar_0 - Ar_5 + 2 >= 0 /\ Ar_5 - 1 >= 0 /\ Ar_4 + Ar_5 - 3 >= 0 /\ -Ar_4 + Ar_5 + 1 >= 0 /\ Fresh_1 + Ar_5 - 1 >= 0 /\ Ar_0 + Ar_5 - 1 >= 0 /\ Fresh_1 - Ar_4 + 2 >= 0 /\ Ar_0 - Ar_4 + 2 >= 0 /\ Fresh_1 + Ar_4 - 2 >= 0 /\ Ar_0 + Ar_4 - 2 >= 0 /\ Ar_0 + Fresh_1 >= 0 /\ 0 >= 0 /\ Ar_0 >= 0 /\ 0 >= Fresh_2 ]
		(Comp: 1, Cost: 1)    f10(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f31(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6)) [ -Ar_4 + 2 >= 0 /\ Ar_2 - Ar_4 + 2 >= 0 /\ Ar_0 - Ar_4 + 1 >= 0 /\ Ar_4 - 2 >= 0 /\ Ar_2 + Ar_4 - 2 >= 0 /\ Ar_0 + Ar_4 - 3 >= 0 /\ Ar_2 >= 0 /\ Ar_0 + Ar_2 - 1 >= 0 /\ Ar_0 - Ar_1 >= 0 /\ Ar_0 - 1 >= 0 /\ Ar_5 >= Ar_4 + 1 ]
		(Comp: 1, Cost: 1)    f10(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f31(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6)) [ -Ar_4 + 2 >= 0 /\ Ar_2 - Ar_4 + 2 >= 0 /\ Ar_0 - Ar_4 + 1 >= 0 /\ Ar_4 - 2 >= 0 /\ Ar_2 + Ar_4 - 2 >= 0 /\ Ar_0 + Ar_4 - 3 >= 0 /\ Ar_2 >= 0 /\ Ar_0 + Ar_2 - 1 >= 0 /\ Ar_0 - Ar_1 >= 0 /\ Ar_0 - 1 >= 0 /\ 0 >= Ar_5 /\ Ar_4 >= Ar_5 ]
		(Comp: ?, Cost: 1)    f21(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f10(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5 + 1, Ar_6)) [ -Ar_6 + 1 >= 0 /\ Ar_5 - Ar_6 >= 0 /\ -Ar_5 - Ar_6 + 3 >= 0 /\ Ar_4 - Ar_6 - 1 >= 0 /\ -Ar_4 - Ar_6 + 3 >= 0 /\ Ar_2 - Ar_6 + 1 >= 0 /\ Ar_0 - Ar_6 >= 0 /\ Ar_6 >= 0 /\ Ar_5 + Ar_6 - 1 >= 0 /\ -Ar_5 + Ar_6 + 2 >= 0 /\ Ar_4 + Ar_6 - 2 >= 0 /\ -Ar_4 + Ar_6 + 2 >= 0 /\ Ar_2 + Ar_6 >= 0 /\ Ar_0 + Ar_6 - 1 >= 0 /\ -Ar_5 + 2 >= 0 /\ Ar_4 - Ar_5 >= 0 /\ -Ar_4 - Ar_5 + 4 >= 0 /\ Ar_2 - Ar_5 + 2 >= 0 /\ Ar_0 - Ar_5 + 1 >= 0 /\ Ar_5 - 1 >= 0 /\ Ar_4 + Ar_5 - 3 >= 0 /\ -Ar_4 + Ar_5 + 1 >= 0 /\ Ar_2 + Ar_5 - 1 >= 0 /\ Ar_0 + Ar_5 - 2 >= 0 /\ -Ar_4 + 2 >= 0 /\ Ar_2 - Ar_4 + 2 >= 0 /\ Ar_0 - Ar_4 + 1 >= 0 /\ Ar_4 - 2 >= 0 /\ Ar_2 + Ar_4 - 2 >= 0 /\ Ar_0 + Ar_4 - 3 >= 0 /\ Ar_2 >= 0 /\ Ar_0 + Ar_2 - 1 >= 0 /\ Ar_0 - Ar_1 >= 0 /\ Ar_0 - 1 >= 0 /\ Ar_6 >= 1 ]
		(Comp: ?, Cost: 1)    f21(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f10(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5 - 1, Ar_6)) [ -Ar_6 + 1 >= 0 /\ Ar_5 - Ar_6 >= 0 /\ -Ar_5 - Ar_6 + 3 >= 0 /\ Ar_4 - Ar_6 - 1 >= 0 /\ -Ar_4 - Ar_6 + 3 >= 0 /\ Ar_2 - Ar_6 + 1 >= 0 /\ Ar_0 - Ar_6 >= 0 /\ Ar_6 >= 0 /\ Ar_5 + Ar_6 - 1 >= 0 /\ -Ar_5 + Ar_6 + 2 >= 0 /\ Ar_4 + Ar_6 - 2 >= 0 /\ -Ar_4 + Ar_6 + 2 >= 0 /\ Ar_2 + Ar_6 >= 0 /\ Ar_0 + Ar_6 - 1 >= 0 /\ -Ar_5 + 2 >= 0 /\ Ar_4 - Ar_5 >= 0 /\ -Ar_4 - Ar_5 + 4 >= 0 /\ Ar_2 - Ar_5 + 2 >= 0 /\ Ar_0 - Ar_5 + 1 >= 0 /\ Ar_5 - 1 >= 0 /\ Ar_4 + Ar_5 - 3 >= 0 /\ -Ar_4 + Ar_5 + 1 >= 0 /\ Ar_2 + Ar_5 - 1 >= 0 /\ Ar_0 + Ar_5 - 2 >= 0 /\ -Ar_4 + 2 >= 0 /\ Ar_2 - Ar_4 + 2 >= 0 /\ Ar_0 - Ar_4 + 1 >= 0 /\ Ar_4 - 2 >= 0 /\ Ar_2 + Ar_4 - 2 >= 0 /\ Ar_0 + Ar_4 - 3 >= 0 /\ Ar_2 >= 0 /\ Ar_0 + Ar_2 - 1 >= 0 /\ Ar_0 - Ar_1 >= 0 /\ Ar_0 - 1 >= 0 /\ 0 >= Ar_6 ]
		(Comp: ?, Cost: 2)    f10(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f10(Ar_0, Ar_1 - 1, Ar_2, Ar_4, Ar_5 - 1, 0)) [ -Ar_4 + 2 >= 0 /\ Ar_2 - Ar_4 + 2 >= 0 /\ Ar_0 - Ar_4 + 1 >= 0 /\ Ar_4 - 2 >= 0 /\ Ar_2 + Ar_4 - 2 >= 0 /\ Ar_0 + Ar_4 - 3 >= 0 /\ Ar_2 >= 0 /\ Ar_0 + Ar_2 - 1 >= 0 /\ Ar_0 - Ar_1 >= 0 /\ Ar_0 - 1 >= 0 /\ Ar_5 >= 1 /\ Ar_4 >= Ar_5 /\ Ar_1 >= 1 /\ 0 >= Ar_2 /\ 1 >= 0 /\ Ar_5 >= 0 /\ -Ar_5 + 3 >= 0 /\ Ar_4 - 1 >= 0 /\ -Ar_4 + 3 >= 0 /\ Ar_2 + 1 >= 0 /\ Ar_0 >= 0 /\ 0 >= 0 /\ Ar_5 - 1 >= 0 /\ -Ar_5 + 2 >= 0 /\ Ar_4 - Ar_5 >= 0 /\ -Ar_4 - Ar_5 + 4 >= 0 /\ Ar_2 - Ar_5 + 2 >= 0 /\ Ar_0 - Ar_5 + 1 >= 0 /\ Ar_4 + Ar_5 - 3 >= 0 /\ -Ar_4 + Ar_5 + 1 >= 0 /\ Ar_2 + Ar_5 - 1 >= 0 /\ Ar_0 + Ar_5 - 2 >= 0 /\ Ar_0 - Ar_1 + 1 >= 0 ]
		(Comp: ?, Cost: 1)    f10(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f21(Ar_0, Ar_1, Ar_2 - 1, Ar_4, Ar_5, Fresh_0)) [ -Ar_4 + 2 >= 0 /\ Ar_2 - Ar_4 + 2 >= 0 /\ Ar_0 - Ar_4 + 1 >= 0 /\ Ar_4 - 2 >= 0 /\ Ar_2 + Ar_4 - 2 >= 0 /\ Ar_0 + Ar_4 - 3 >= 0 /\ Ar_2 >= 0 /\ Ar_0 + Ar_2 - 1 >= 0 /\ Ar_0 - Ar_1 >= 0 /\ Ar_0 - 1 >= 0 /\ Fresh_0 >= 0 /\ 1 >= Fresh_0 /\ Ar_5 >= 1 /\ Ar_2 >= 1 /\ Ar_4 >= Ar_5 ]
		(Comp: 1, Cost: 1)    koat_start(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f10(1, 1, Fresh_3, 2, 1, Ar_6)) [ 0 <= 0 /\ Fresh_3 >= 0 ]
	start location:	koat_start
	leaf cost:	0

By chaining the transition f10(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f21(Ar_0, Ar_1, Ar_2 - 1, Ar_4, Ar_5, Fresh_0)) [ -Ar_4 + 2 >= 0 /\ Ar_2 - Ar_4 + 2 >= 0 /\ Ar_0 - Ar_4 + 1 >= 0 /\ Ar_4 - 2 >= 0 /\ Ar_2 + Ar_4 - 2 >= 0 /\ Ar_0 + Ar_4 - 3 >= 0 /\ Ar_2 >= 0 /\ Ar_0 + Ar_2 - 1 >= 0 /\ Ar_0 - Ar_1 >= 0 /\ Ar_0 - 1 >= 0 /\ Fresh_0 >= 0 /\ 1 >= Fresh_0 /\ Ar_5 >= 1 /\ Ar_2 >= 1 /\ Ar_4 >= Ar_5 ] with all transitions in problem 9, the following new transitions are obtained:
	f10(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f10(Ar_0, Ar_1, Ar_2 - 1, Ar_4, Ar_5 + 1, Fresh_0)) [ -Ar_4 + 2 >= 0 /\ Ar_2 - Ar_4 + 2 >= 0 /\ Ar_0 - Ar_4 + 1 >= 0 /\ Ar_4 - 2 >= 0 /\ Ar_2 + Ar_4 - 2 >= 0 /\ Ar_0 + Ar_4 - 3 >= 0 /\ Ar_2 >= 0 /\ Ar_0 + Ar_2 - 1 >= 0 /\ Ar_0 - Ar_1 >= 0 /\ Ar_0 - 1 >= 0 /\ Fresh_0 >= 0 /\ 1 >= Fresh_0 /\ Ar_5 >= 1 /\ Ar_2 >= 1 /\ Ar_4 >= Ar_5 /\ -Fresh_0 + 1 >= 0 /\ Ar_5 - Fresh_0 >= 0 /\ -Ar_5 - Fresh_0 + 3 >= 0 /\ Ar_4 - Fresh_0 - 1 >= 0 /\ -Ar_4 - Fresh_0 + 3 >= 0 /\ Ar_2 - Fresh_0 >= 0 /\ Ar_0 - Fresh_0 >= 0 /\ Ar_5 + Fresh_0 - 1 >= 0 /\ -Ar_5 + Fresh_0 + 2 >= 0 /\ Ar_4 + Fresh_0 - 2 >= 0 /\ -Ar_4 + Fresh_0 + 2 >= 0 /\ Ar_2 + Fresh_0 - 1 >= 0 /\ Ar_0 + Fresh_0 - 1 >= 0 /\ -Ar_5 + 2 >= 0 /\ Ar_4 - Ar_5 >= 0 /\ -Ar_4 - Ar_5 + 4 >= 0 /\ Ar_2 - Ar_5 + 1 >= 0 /\ Ar_0 - Ar_5 + 1 >= 0 /\ Ar_5 - 1 >= 0 /\ Ar_4 + Ar_5 - 3 >= 0 /\ -Ar_4 + Ar_5 + 1 >= 0 /\ Ar_2 + Ar_5 - 2 >= 0 /\ Ar_0 + Ar_5 - 2 >= 0 /\ Ar_2 - Ar_4 + 1 >= 0 /\ Ar_2 + Ar_4 - 3 >= 0 /\ Ar_2 - 1 >= 0 /\ Ar_0 + Ar_2 - 2 >= 0 /\ Fresh_0 >= 1 ]
	f10(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f10(Ar_0, Ar_1, Ar_2 - 1, Ar_4, Ar_5 - 1, Fresh_0)) [ -Ar_4 + 2 >= 0 /\ Ar_2 - Ar_4 + 2 >= 0 /\ Ar_0 - Ar_4 + 1 >= 0 /\ Ar_4 - 2 >= 0 /\ Ar_2 + Ar_4 - 2 >= 0 /\ Ar_0 + Ar_4 - 3 >= 0 /\ Ar_2 >= 0 /\ Ar_0 + Ar_2 - 1 >= 0 /\ Ar_0 - Ar_1 >= 0 /\ Ar_0 - 1 >= 0 /\ Fresh_0 >= 0 /\ 1 >= Fresh_0 /\ Ar_5 >= 1 /\ Ar_2 >= 1 /\ Ar_4 >= Ar_5 /\ -Fresh_0 + 1 >= 0 /\ Ar_5 - Fresh_0 >= 0 /\ -Ar_5 - Fresh_0 + 3 >= 0 /\ Ar_4 - Fresh_0 - 1 >= 0 /\ -Ar_4 - Fresh_0 + 3 >= 0 /\ Ar_2 - Fresh_0 >= 0 /\ Ar_0 - Fresh_0 >= 0 /\ Ar_5 + Fresh_0 - 1 >= 0 /\ -Ar_5 + Fresh_0 + 2 >= 0 /\ Ar_4 + Fresh_0 - 2 >= 0 /\ -Ar_4 + Fresh_0 + 2 >= 0 /\ Ar_2 + Fresh_0 - 1 >= 0 /\ Ar_0 + Fresh_0 - 1 >= 0 /\ -Ar_5 + 2 >= 0 /\ Ar_4 - Ar_5 >= 0 /\ -Ar_4 - Ar_5 + 4 >= 0 /\ Ar_2 - Ar_5 + 1 >= 0 /\ Ar_0 - Ar_5 + 1 >= 0 /\ Ar_5 - 1 >= 0 /\ Ar_4 + Ar_5 - 3 >= 0 /\ -Ar_4 + Ar_5 + 1 >= 0 /\ Ar_2 + Ar_5 - 2 >= 0 /\ Ar_0 + Ar_5 - 2 >= 0 /\ Ar_2 - Ar_4 + 1 >= 0 /\ Ar_2 + Ar_4 - 3 >= 0 /\ Ar_2 - 1 >= 0 /\ Ar_0 + Ar_2 - 2 >= 0 /\ 0 >= Fresh_0 ]
We thus obtain the following problem:
10:	T:
		(Comp: ?, Cost: 2)    f10(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f10(Ar_0, Ar_1, Ar_2 - 1, Ar_4, Ar_5 + 1, Fresh_0)) [ -Ar_4 + 2 >= 0 /\ Ar_2 - Ar_4 + 2 >= 0 /\ Ar_0 - Ar_4 + 1 >= 0 /\ Ar_4 - 2 >= 0 /\ Ar_2 + Ar_4 - 2 >= 0 /\ Ar_0 + Ar_4 - 3 >= 0 /\ Ar_2 >= 0 /\ Ar_0 + Ar_2 - 1 >= 0 /\ Ar_0 - Ar_1 >= 0 /\ Ar_0 - 1 >= 0 /\ Fresh_0 >= 0 /\ 1 >= Fresh_0 /\ Ar_5 >= 1 /\ Ar_2 >= 1 /\ Ar_4 >= Ar_5 /\ -Fresh_0 + 1 >= 0 /\ Ar_5 - Fresh_0 >= 0 /\ -Ar_5 - Fresh_0 + 3 >= 0 /\ Ar_4 - Fresh_0 - 1 >= 0 /\ -Ar_4 - Fresh_0 + 3 >= 0 /\ Ar_2 - Fresh_0 >= 0 /\ Ar_0 - Fresh_0 >= 0 /\ Ar_5 + Fresh_0 - 1 >= 0 /\ -Ar_5 + Fresh_0 + 2 >= 0 /\ Ar_4 + Fresh_0 - 2 >= 0 /\ -Ar_4 + Fresh_0 + 2 >= 0 /\ Ar_2 + Fresh_0 - 1 >= 0 /\ Ar_0 + Fresh_0 - 1 >= 0 /\ -Ar_5 + 2 >= 0 /\ Ar_4 - Ar_5 >= 0 /\ -Ar_4 - Ar_5 + 4 >= 0 /\ Ar_2 - Ar_5 + 1 >= 0 /\ Ar_0 - Ar_5 + 1 >= 0 /\ Ar_5 - 1 >= 0 /\ Ar_4 + Ar_5 - 3 >= 0 /\ -Ar_4 + Ar_5 + 1 >= 0 /\ Ar_2 + Ar_5 - 2 >= 0 /\ Ar_0 + Ar_5 - 2 >= 0 /\ Ar_2 - Ar_4 + 1 >= 0 /\ Ar_2 + Ar_4 - 3 >= 0 /\ Ar_2 - 1 >= 0 /\ Ar_0 + Ar_2 - 2 >= 0 /\ Fresh_0 >= 1 ]
		(Comp: ?, Cost: 2)    f10(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f10(Ar_0, Ar_1, Ar_2 - 1, Ar_4, Ar_5 - 1, Fresh_0)) [ -Ar_4 + 2 >= 0 /\ Ar_2 - Ar_4 + 2 >= 0 /\ Ar_0 - Ar_4 + 1 >= 0 /\ Ar_4 - 2 >= 0 /\ Ar_2 + Ar_4 - 2 >= 0 /\ Ar_0 + Ar_4 - 3 >= 0 /\ Ar_2 >= 0 /\ Ar_0 + Ar_2 - 1 >= 0 /\ Ar_0 - Ar_1 >= 0 /\ Ar_0 - 1 >= 0 /\ Fresh_0 >= 0 /\ 1 >= Fresh_0 /\ Ar_5 >= 1 /\ Ar_2 >= 1 /\ Ar_4 >= Ar_5 /\ -Fresh_0 + 1 >= 0 /\ Ar_5 - Fresh_0 >= 0 /\ -Ar_5 - Fresh_0 + 3 >= 0 /\ Ar_4 - Fresh_0 - 1 >= 0 /\ -Ar_4 - Fresh_0 + 3 >= 0 /\ Ar_2 - Fresh_0 >= 0 /\ Ar_0 - Fresh_0 >= 0 /\ Ar_5 + Fresh_0 - 1 >= 0 /\ -Ar_5 + Fresh_0 + 2 >= 0 /\ Ar_4 + Fresh_0 - 2 >= 0 /\ -Ar_4 + Fresh_0 + 2 >= 0 /\ Ar_2 + Fresh_0 - 1 >= 0 /\ Ar_0 + Fresh_0 - 1 >= 0 /\ -Ar_5 + 2 >= 0 /\ Ar_4 - Ar_5 >= 0 /\ -Ar_4 - Ar_5 + 4 >= 0 /\ Ar_2 - Ar_5 + 1 >= 0 /\ Ar_0 - Ar_5 + 1 >= 0 /\ Ar_5 - 1 >= 0 /\ Ar_4 + Ar_5 - 3 >= 0 /\ -Ar_4 + Ar_5 + 1 >= 0 /\ Ar_2 + Ar_5 - 2 >= 0 /\ Ar_0 + Ar_5 - 2 >= 0 /\ Ar_2 - Ar_4 + 1 >= 0 /\ Ar_2 + Ar_4 - 3 >= 0 /\ Ar_2 - 1 >= 0 /\ Ar_0 + Ar_2 - 2 >= 0 /\ 0 >= Fresh_0 ]
		(Comp: ?, Cost: 2)    f10(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f10(Ar_0 + 1, Ar_0 + 1, Fresh_1, Ar_4, Ar_5 + 1, Fresh_2)) [ -Ar_4 + 2 >= 0 /\ Ar_2 - Ar_4 + 2 >= 0 /\ Ar_0 - Ar_4 + 1 >= 0 /\ Ar_4 - 2 >= 0 /\ Ar_2 + Ar_4 - 2 >= 0 /\ Ar_0 + Ar_4 - 3 >= 0 /\ Ar_2 >= 0 /\ Ar_0 + Ar_2 - 1 >= 0 /\ Ar_0 - Ar_1 >= 0 /\ Ar_0 - 1 >= 0 /\ Fresh_2 >= 0 /\ 1 >= Fresh_2 /\ Fresh_1 >= 0 /\ Ar_5 >= 1 /\ Ar_4 >= Ar_5 /\ 0 >= Ar_1 /\ 0 >= Ar_2 /\ -Fresh_2 + 1 >= 0 /\ Ar_5 - Fresh_2 >= 0 /\ -Ar_5 - Fresh_2 + 3 >= 0 /\ Ar_4 - Fresh_2 - 1 >= 0 /\ -Ar_4 - Fresh_2 + 3 >= 0 /\ Fresh_1 - Fresh_2 + 1 >= 0 /\ Ar_0 - Fresh_2 + 1 >= 0 /\ Ar_5 + Fresh_2 - 1 >= 0 /\ -Ar_5 + Fresh_2 + 2 >= 0 /\ Ar_4 + Fresh_2 - 2 >= 0 /\ -Ar_4 + Fresh_2 + 2 >= 0 /\ Fresh_1 + Fresh_2 >= 0 /\ Ar_0 + Fresh_2 >= 0 /\ -Ar_5 + 2 >= 0 /\ Ar_4 - Ar_5 >= 0 /\ -Ar_4 - Ar_5 + 4 >= 0 /\ Fresh_1 - Ar_5 + 2 >= 0 /\ Ar_0 - Ar_5 + 2 >= 0 /\ Ar_5 - 1 >= 0 /\ Ar_4 + Ar_5 - 3 >= 0 /\ -Ar_4 + Ar_5 + 1 >= 0 /\ Fresh_1 + Ar_5 - 1 >= 0 /\ Ar_0 + Ar_5 - 1 >= 0 /\ Fresh_1 - Ar_4 + 2 >= 0 /\ Ar_0 - Ar_4 + 2 >= 0 /\ Fresh_1 + Ar_4 - 2 >= 0 /\ Ar_0 + Ar_4 - 2 >= 0 /\ Ar_0 + Fresh_1 >= 0 /\ 0 >= 0 /\ Ar_0 >= 0 /\ Fresh_2 >= 1 ]
		(Comp: ?, Cost: 2)    f10(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f10(Ar_0 + 1, Ar_0 + 1, Fresh_1, Ar_4, Ar_5 - 1, Fresh_2)) [ -Ar_4 + 2 >= 0 /\ Ar_2 - Ar_4 + 2 >= 0 /\ Ar_0 - Ar_4 + 1 >= 0 /\ Ar_4 - 2 >= 0 /\ Ar_2 + Ar_4 - 2 >= 0 /\ Ar_0 + Ar_4 - 3 >= 0 /\ Ar_2 >= 0 /\ Ar_0 + Ar_2 - 1 >= 0 /\ Ar_0 - Ar_1 >= 0 /\ Ar_0 - 1 >= 0 /\ Fresh_2 >= 0 /\ 1 >= Fresh_2 /\ Fresh_1 >= 0 /\ Ar_5 >= 1 /\ Ar_4 >= Ar_5 /\ 0 >= Ar_1 /\ 0 >= Ar_2 /\ -Fresh_2 + 1 >= 0 /\ Ar_5 - Fresh_2 >= 0 /\ -Ar_5 - Fresh_2 + 3 >= 0 /\ Ar_4 - Fresh_2 - 1 >= 0 /\ -Ar_4 - Fresh_2 + 3 >= 0 /\ Fresh_1 - Fresh_2 + 1 >= 0 /\ Ar_0 - Fresh_2 + 1 >= 0 /\ Ar_5 + Fresh_2 - 1 >= 0 /\ -Ar_5 + Fresh_2 + 2 >= 0 /\ Ar_4 + Fresh_2 - 2 >= 0 /\ -Ar_4 + Fresh_2 + 2 >= 0 /\ Fresh_1 + Fresh_2 >= 0 /\ Ar_0 + Fresh_2 >= 0 /\ -Ar_5 + 2 >= 0 /\ Ar_4 - Ar_5 >= 0 /\ -Ar_4 - Ar_5 + 4 >= 0 /\ Fresh_1 - Ar_5 + 2 >= 0 /\ Ar_0 - Ar_5 + 2 >= 0 /\ Ar_5 - 1 >= 0 /\ Ar_4 + Ar_5 - 3 >= 0 /\ -Ar_4 + Ar_5 + 1 >= 0 /\ Fresh_1 + Ar_5 - 1 >= 0 /\ Ar_0 + Ar_5 - 1 >= 0 /\ Fresh_1 - Ar_4 + 2 >= 0 /\ Ar_0 - Ar_4 + 2 >= 0 /\ Fresh_1 + Ar_4 - 2 >= 0 /\ Ar_0 + Ar_4 - 2 >= 0 /\ Ar_0 + Fresh_1 >= 0 /\ 0 >= 0 /\ Ar_0 >= 0 /\ 0 >= Fresh_2 ]
		(Comp: 1, Cost: 1)    f10(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f31(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6)) [ -Ar_4 + 2 >= 0 /\ Ar_2 - Ar_4 + 2 >= 0 /\ Ar_0 - Ar_4 + 1 >= 0 /\ Ar_4 - 2 >= 0 /\ Ar_2 + Ar_4 - 2 >= 0 /\ Ar_0 + Ar_4 - 3 >= 0 /\ Ar_2 >= 0 /\ Ar_0 + Ar_2 - 1 >= 0 /\ Ar_0 - Ar_1 >= 0 /\ Ar_0 - 1 >= 0 /\ Ar_5 >= Ar_4 + 1 ]
		(Comp: 1, Cost: 1)    f10(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f31(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6)) [ -Ar_4 + 2 >= 0 /\ Ar_2 - Ar_4 + 2 >= 0 /\ Ar_0 - Ar_4 + 1 >= 0 /\ Ar_4 - 2 >= 0 /\ Ar_2 + Ar_4 - 2 >= 0 /\ Ar_0 + Ar_4 - 3 >= 0 /\ Ar_2 >= 0 /\ Ar_0 + Ar_2 - 1 >= 0 /\ Ar_0 - Ar_1 >= 0 /\ Ar_0 - 1 >= 0 /\ 0 >= Ar_5 /\ Ar_4 >= Ar_5 ]
		(Comp: ?, Cost: 1)    f21(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f10(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5 + 1, Ar_6)) [ -Ar_6 + 1 >= 0 /\ Ar_5 - Ar_6 >= 0 /\ -Ar_5 - Ar_6 + 3 >= 0 /\ Ar_4 - Ar_6 - 1 >= 0 /\ -Ar_4 - Ar_6 + 3 >= 0 /\ Ar_2 - Ar_6 + 1 >= 0 /\ Ar_0 - Ar_6 >= 0 /\ Ar_6 >= 0 /\ Ar_5 + Ar_6 - 1 >= 0 /\ -Ar_5 + Ar_6 + 2 >= 0 /\ Ar_4 + Ar_6 - 2 >= 0 /\ -Ar_4 + Ar_6 + 2 >= 0 /\ Ar_2 + Ar_6 >= 0 /\ Ar_0 + Ar_6 - 1 >= 0 /\ -Ar_5 + 2 >= 0 /\ Ar_4 - Ar_5 >= 0 /\ -Ar_4 - Ar_5 + 4 >= 0 /\ Ar_2 - Ar_5 + 2 >= 0 /\ Ar_0 - Ar_5 + 1 >= 0 /\ Ar_5 - 1 >= 0 /\ Ar_4 + Ar_5 - 3 >= 0 /\ -Ar_4 + Ar_5 + 1 >= 0 /\ Ar_2 + Ar_5 - 1 >= 0 /\ Ar_0 + Ar_5 - 2 >= 0 /\ -Ar_4 + 2 >= 0 /\ Ar_2 - Ar_4 + 2 >= 0 /\ Ar_0 - Ar_4 + 1 >= 0 /\ Ar_4 - 2 >= 0 /\ Ar_2 + Ar_4 - 2 >= 0 /\ Ar_0 + Ar_4 - 3 >= 0 /\ Ar_2 >= 0 /\ Ar_0 + Ar_2 - 1 >= 0 /\ Ar_0 - Ar_1 >= 0 /\ Ar_0 - 1 >= 0 /\ Ar_6 >= 1 ]
		(Comp: ?, Cost: 1)    f21(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f10(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5 - 1, Ar_6)) [ -Ar_6 + 1 >= 0 /\ Ar_5 - Ar_6 >= 0 /\ -Ar_5 - Ar_6 + 3 >= 0 /\ Ar_4 - Ar_6 - 1 >= 0 /\ -Ar_4 - Ar_6 + 3 >= 0 /\ Ar_2 - Ar_6 + 1 >= 0 /\ Ar_0 - Ar_6 >= 0 /\ Ar_6 >= 0 /\ Ar_5 + Ar_6 - 1 >= 0 /\ -Ar_5 + Ar_6 + 2 >= 0 /\ Ar_4 + Ar_6 - 2 >= 0 /\ -Ar_4 + Ar_6 + 2 >= 0 /\ Ar_2 + Ar_6 >= 0 /\ Ar_0 + Ar_6 - 1 >= 0 /\ -Ar_5 + 2 >= 0 /\ Ar_4 - Ar_5 >= 0 /\ -Ar_4 - Ar_5 + 4 >= 0 /\ Ar_2 - Ar_5 + 2 >= 0 /\ Ar_0 - Ar_5 + 1 >= 0 /\ Ar_5 - 1 >= 0 /\ Ar_4 + Ar_5 - 3 >= 0 /\ -Ar_4 + Ar_5 + 1 >= 0 /\ Ar_2 + Ar_5 - 1 >= 0 /\ Ar_0 + Ar_5 - 2 >= 0 /\ -Ar_4 + 2 >= 0 /\ Ar_2 - Ar_4 + 2 >= 0 /\ Ar_0 - Ar_4 + 1 >= 0 /\ Ar_4 - 2 >= 0 /\ Ar_2 + Ar_4 - 2 >= 0 /\ Ar_0 + Ar_4 - 3 >= 0 /\ Ar_2 >= 0 /\ Ar_0 + Ar_2 - 1 >= 0 /\ Ar_0 - Ar_1 >= 0 /\ Ar_0 - 1 >= 0 /\ 0 >= Ar_6 ]
		(Comp: ?, Cost: 2)    f10(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f10(Ar_0, Ar_1 - 1, Ar_2, Ar_4, Ar_5 - 1, 0)) [ -Ar_4 + 2 >= 0 /\ Ar_2 - Ar_4 + 2 >= 0 /\ Ar_0 - Ar_4 + 1 >= 0 /\ Ar_4 - 2 >= 0 /\ Ar_2 + Ar_4 - 2 >= 0 /\ Ar_0 + Ar_4 - 3 >= 0 /\ Ar_2 >= 0 /\ Ar_0 + Ar_2 - 1 >= 0 /\ Ar_0 - Ar_1 >= 0 /\ Ar_0 - 1 >= 0 /\ Ar_5 >= 1 /\ Ar_4 >= Ar_5 /\ Ar_1 >= 1 /\ 0 >= Ar_2 /\ 1 >= 0 /\ Ar_5 >= 0 /\ -Ar_5 + 3 >= 0 /\ Ar_4 - 1 >= 0 /\ -Ar_4 + 3 >= 0 /\ Ar_2 + 1 >= 0 /\ Ar_0 >= 0 /\ 0 >= 0 /\ Ar_5 - 1 >= 0 /\ -Ar_5 + 2 >= 0 /\ Ar_4 - Ar_5 >= 0 /\ -Ar_4 - Ar_5 + 4 >= 0 /\ Ar_2 - Ar_5 + 2 >= 0 /\ Ar_0 - Ar_5 + 1 >= 0 /\ Ar_4 + Ar_5 - 3 >= 0 /\ -Ar_4 + Ar_5 + 1 >= 0 /\ Ar_2 + Ar_5 - 1 >= 0 /\ Ar_0 + Ar_5 - 2 >= 0 /\ Ar_0 - Ar_1 + 1 >= 0 ]
		(Comp: 1, Cost: 1)    koat_start(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f10(1, 1, Fresh_3, 2, 1, Ar_6)) [ 0 <= 0 /\ Fresh_3 >= 0 ]
	start location:	koat_start
	leaf cost:	0

Testing for reachability in the complexity graph removes the following transitions from problem 10:
	f21(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f10(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5 + 1, Ar_6)) [ -Ar_6 + 1 >= 0 /\ Ar_5 - Ar_6 >= 0 /\ -Ar_5 - Ar_6 + 3 >= 0 /\ Ar_4 - Ar_6 - 1 >= 0 /\ -Ar_4 - Ar_6 + 3 >= 0 /\ Ar_2 - Ar_6 + 1 >= 0 /\ Ar_0 - Ar_6 >= 0 /\ Ar_6 >= 0 /\ Ar_5 + Ar_6 - 1 >= 0 /\ -Ar_5 + Ar_6 + 2 >= 0 /\ Ar_4 + Ar_6 - 2 >= 0 /\ -Ar_4 + Ar_6 + 2 >= 0 /\ Ar_2 + Ar_6 >= 0 /\ Ar_0 + Ar_6 - 1 >= 0 /\ -Ar_5 + 2 >= 0 /\ Ar_4 - Ar_5 >= 0 /\ -Ar_4 - Ar_5 + 4 >= 0 /\ Ar_2 - Ar_5 + 2 >= 0 /\ Ar_0 - Ar_5 + 1 >= 0 /\ Ar_5 - 1 >= 0 /\ Ar_4 + Ar_5 - 3 >= 0 /\ -Ar_4 + Ar_5 + 1 >= 0 /\ Ar_2 + Ar_5 - 1 >= 0 /\ Ar_0 + Ar_5 - 2 >= 0 /\ -Ar_4 + 2 >= 0 /\ Ar_2 - Ar_4 + 2 >= 0 /\ Ar_0 - Ar_4 + 1 >= 0 /\ Ar_4 - 2 >= 0 /\ Ar_2 + Ar_4 - 2 >= 0 /\ Ar_0 + Ar_4 - 3 >= 0 /\ Ar_2 >= 0 /\ Ar_0 + Ar_2 - 1 >= 0 /\ Ar_0 - Ar_1 >= 0 /\ Ar_0 - 1 >= 0 /\ Ar_6 >= 1 ]
	f21(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f10(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5 - 1, Ar_6)) [ -Ar_6 + 1 >= 0 /\ Ar_5 - Ar_6 >= 0 /\ -Ar_5 - Ar_6 + 3 >= 0 /\ Ar_4 - Ar_6 - 1 >= 0 /\ -Ar_4 - Ar_6 + 3 >= 0 /\ Ar_2 - Ar_6 + 1 >= 0 /\ Ar_0 - Ar_6 >= 0 /\ Ar_6 >= 0 /\ Ar_5 + Ar_6 - 1 >= 0 /\ -Ar_5 + Ar_6 + 2 >= 0 /\ Ar_4 + Ar_6 - 2 >= 0 /\ -Ar_4 + Ar_6 + 2 >= 0 /\ Ar_2 + Ar_6 >= 0 /\ Ar_0 + Ar_6 - 1 >= 0 /\ -Ar_5 + 2 >= 0 /\ Ar_4 - Ar_5 >= 0 /\ -Ar_4 - Ar_5 + 4 >= 0 /\ Ar_2 - Ar_5 + 2 >= 0 /\ Ar_0 - Ar_5 + 1 >= 0 /\ Ar_5 - 1 >= 0 /\ Ar_4 + Ar_5 - 3 >= 0 /\ -Ar_4 + Ar_5 + 1 >= 0 /\ Ar_2 + Ar_5 - 1 >= 0 /\ Ar_0 + Ar_5 - 2 >= 0 /\ -Ar_4 + 2 >= 0 /\ Ar_2 - Ar_4 + 2 >= 0 /\ Ar_0 - Ar_4 + 1 >= 0 /\ Ar_4 - 2 >= 0 /\ Ar_2 + Ar_4 - 2 >= 0 /\ Ar_0 + Ar_4 - 3 >= 0 /\ Ar_2 >= 0 /\ Ar_0 + Ar_2 - 1 >= 0 /\ Ar_0 - Ar_1 >= 0 /\ Ar_0 - 1 >= 0 /\ 0 >= Ar_6 ]
We thus obtain the following problem:
11:	T:
		(Comp: 1, Cost: 1)    f10(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f31(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6)) [ -Ar_4 + 2 >= 0 /\ Ar_2 - Ar_4 + 2 >= 0 /\ Ar_0 - Ar_4 + 1 >= 0 /\ Ar_4 - 2 >= 0 /\ Ar_2 + Ar_4 - 2 >= 0 /\ Ar_0 + Ar_4 - 3 >= 0 /\ Ar_2 >= 0 /\ Ar_0 + Ar_2 - 1 >= 0 /\ Ar_0 - Ar_1 >= 0 /\ Ar_0 - 1 >= 0 /\ Ar_5 >= Ar_4 + 1 ]
		(Comp: ?, Cost: 2)    f10(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f10(Ar_0 + 1, Ar_0 + 1, Fresh_1, Ar_4, Ar_5 - 1, Fresh_2)) [ -Ar_4 + 2 >= 0 /\ Ar_2 - Ar_4 + 2 >= 0 /\ Ar_0 - Ar_4 + 1 >= 0 /\ Ar_4 - 2 >= 0 /\ Ar_2 + Ar_4 - 2 >= 0 /\ Ar_0 + Ar_4 - 3 >= 0 /\ Ar_2 >= 0 /\ Ar_0 + Ar_2 - 1 >= 0 /\ Ar_0 - Ar_1 >= 0 /\ Ar_0 - 1 >= 0 /\ Fresh_2 >= 0 /\ 1 >= Fresh_2 /\ Fresh_1 >= 0 /\ Ar_5 >= 1 /\ Ar_4 >= Ar_5 /\ 0 >= Ar_1 /\ 0 >= Ar_2 /\ -Fresh_2 + 1 >= 0 /\ Ar_5 - Fresh_2 >= 0 /\ -Ar_5 - Fresh_2 + 3 >= 0 /\ Ar_4 - Fresh_2 - 1 >= 0 /\ -Ar_4 - Fresh_2 + 3 >= 0 /\ Fresh_1 - Fresh_2 + 1 >= 0 /\ Ar_0 - Fresh_2 + 1 >= 0 /\ Ar_5 + Fresh_2 - 1 >= 0 /\ -Ar_5 + Fresh_2 + 2 >= 0 /\ Ar_4 + Fresh_2 - 2 >= 0 /\ -Ar_4 + Fresh_2 + 2 >= 0 /\ Fresh_1 + Fresh_2 >= 0 /\ Ar_0 + Fresh_2 >= 0 /\ -Ar_5 + 2 >= 0 /\ Ar_4 - Ar_5 >= 0 /\ -Ar_4 - Ar_5 + 4 >= 0 /\ Fresh_1 - Ar_5 + 2 >= 0 /\ Ar_0 - Ar_5 + 2 >= 0 /\ Ar_5 - 1 >= 0 /\ Ar_4 + Ar_5 - 3 >= 0 /\ -Ar_4 + Ar_5 + 1 >= 0 /\ Fresh_1 + Ar_5 - 1 >= 0 /\ Ar_0 + Ar_5 - 1 >= 0 /\ Fresh_1 - Ar_4 + 2 >= 0 /\ Ar_0 - Ar_4 + 2 >= 0 /\ Fresh_1 + Ar_4 - 2 >= 0 /\ Ar_0 + Ar_4 - 2 >= 0 /\ Ar_0 + Fresh_1 >= 0 /\ 0 >= 0 /\ Ar_0 >= 0 /\ 0 >= Fresh_2 ]
		(Comp: ?, Cost: 2)    f10(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f10(Ar_0 + 1, Ar_0 + 1, Fresh_1, Ar_4, Ar_5 + 1, Fresh_2)) [ -Ar_4 + 2 >= 0 /\ Ar_2 - Ar_4 + 2 >= 0 /\ Ar_0 - Ar_4 + 1 >= 0 /\ Ar_4 - 2 >= 0 /\ Ar_2 + Ar_4 - 2 >= 0 /\ Ar_0 + Ar_4 - 3 >= 0 /\ Ar_2 >= 0 /\ Ar_0 + Ar_2 - 1 >= 0 /\ Ar_0 - Ar_1 >= 0 /\ Ar_0 - 1 >= 0 /\ Fresh_2 >= 0 /\ 1 >= Fresh_2 /\ Fresh_1 >= 0 /\ Ar_5 >= 1 /\ Ar_4 >= Ar_5 /\ 0 >= Ar_1 /\ 0 >= Ar_2 /\ -Fresh_2 + 1 >= 0 /\ Ar_5 - Fresh_2 >= 0 /\ -Ar_5 - Fresh_2 + 3 >= 0 /\ Ar_4 - Fresh_2 - 1 >= 0 /\ -Ar_4 - Fresh_2 + 3 >= 0 /\ Fresh_1 - Fresh_2 + 1 >= 0 /\ Ar_0 - Fresh_2 + 1 >= 0 /\ Ar_5 + Fresh_2 - 1 >= 0 /\ -Ar_5 + Fresh_2 + 2 >= 0 /\ Ar_4 + Fresh_2 - 2 >= 0 /\ -Ar_4 + Fresh_2 + 2 >= 0 /\ Fresh_1 + Fresh_2 >= 0 /\ Ar_0 + Fresh_2 >= 0 /\ -Ar_5 + 2 >= 0 /\ Ar_4 - Ar_5 >= 0 /\ -Ar_4 - Ar_5 + 4 >= 0 /\ Fresh_1 - Ar_5 + 2 >= 0 /\ Ar_0 - Ar_5 + 2 >= 0 /\ Ar_5 - 1 >= 0 /\ Ar_4 + Ar_5 - 3 >= 0 /\ -Ar_4 + Ar_5 + 1 >= 0 /\ Fresh_1 + Ar_5 - 1 >= 0 /\ Ar_0 + Ar_5 - 1 >= 0 /\ Fresh_1 - Ar_4 + 2 >= 0 /\ Ar_0 - Ar_4 + 2 >= 0 /\ Fresh_1 + Ar_4 - 2 >= 0 /\ Ar_0 + Ar_4 - 2 >= 0 /\ Ar_0 + Fresh_1 >= 0 /\ 0 >= 0 /\ Ar_0 >= 0 /\ Fresh_2 >= 1 ]
		(Comp: 1, Cost: 1)    f10(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f31(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6)) [ -Ar_4 + 2 >= 0 /\ Ar_2 - Ar_4 + 2 >= 0 /\ Ar_0 - Ar_4 + 1 >= 0 /\ Ar_4 - 2 >= 0 /\ Ar_2 + Ar_4 - 2 >= 0 /\ Ar_0 + Ar_4 - 3 >= 0 /\ Ar_2 >= 0 /\ Ar_0 + Ar_2 - 1 >= 0 /\ Ar_0 - Ar_1 >= 0 /\ Ar_0 - 1 >= 0 /\ 0 >= Ar_5 /\ Ar_4 >= Ar_5 ]
		(Comp: ?, Cost: 2)    f10(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f10(Ar_0, Ar_1, Ar_2 - 1, Ar_4, Ar_5 - 1, Fresh_0)) [ -Ar_4 + 2 >= 0 /\ Ar_2 - Ar_4 + 2 >= 0 /\ Ar_0 - Ar_4 + 1 >= 0 /\ Ar_4 - 2 >= 0 /\ Ar_2 + Ar_4 - 2 >= 0 /\ Ar_0 + Ar_4 - 3 >= 0 /\ Ar_2 >= 0 /\ Ar_0 + Ar_2 - 1 >= 0 /\ Ar_0 - Ar_1 >= 0 /\ Ar_0 - 1 >= 0 /\ Fresh_0 >= 0 /\ 1 >= Fresh_0 /\ Ar_5 >= 1 /\ Ar_2 >= 1 /\ Ar_4 >= Ar_5 /\ -Fresh_0 + 1 >= 0 /\ Ar_5 - Fresh_0 >= 0 /\ -Ar_5 - Fresh_0 + 3 >= 0 /\ Ar_4 - Fresh_0 - 1 >= 0 /\ -Ar_4 - Fresh_0 + 3 >= 0 /\ Ar_2 - Fresh_0 >= 0 /\ Ar_0 - Fresh_0 >= 0 /\ Ar_5 + Fresh_0 - 1 >= 0 /\ -Ar_5 + Fresh_0 + 2 >= 0 /\ Ar_4 + Fresh_0 - 2 >= 0 /\ -Ar_4 + Fresh_0 + 2 >= 0 /\ Ar_2 + Fresh_0 - 1 >= 0 /\ Ar_0 + Fresh_0 - 1 >= 0 /\ -Ar_5 + 2 >= 0 /\ Ar_4 - Ar_5 >= 0 /\ -Ar_4 - Ar_5 + 4 >= 0 /\ Ar_2 - Ar_5 + 1 >= 0 /\ Ar_0 - Ar_5 + 1 >= 0 /\ Ar_5 - 1 >= 0 /\ Ar_4 + Ar_5 - 3 >= 0 /\ -Ar_4 + Ar_5 + 1 >= 0 /\ Ar_2 + Ar_5 - 2 >= 0 /\ Ar_0 + Ar_5 - 2 >= 0 /\ Ar_2 - Ar_4 + 1 >= 0 /\ Ar_2 + Ar_4 - 3 >= 0 /\ Ar_2 - 1 >= 0 /\ Ar_0 + Ar_2 - 2 >= 0 /\ 0 >= Fresh_0 ]
		(Comp: ?, Cost: 2)    f10(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f10(Ar_0, Ar_1, Ar_2 - 1, Ar_4, Ar_5 + 1, Fresh_0)) [ -Ar_4 + 2 >= 0 /\ Ar_2 - Ar_4 + 2 >= 0 /\ Ar_0 - Ar_4 + 1 >= 0 /\ Ar_4 - 2 >= 0 /\ Ar_2 + Ar_4 - 2 >= 0 /\ Ar_0 + Ar_4 - 3 >= 0 /\ Ar_2 >= 0 /\ Ar_0 + Ar_2 - 1 >= 0 /\ Ar_0 - Ar_1 >= 0 /\ Ar_0 - 1 >= 0 /\ Fresh_0 >= 0 /\ 1 >= Fresh_0 /\ Ar_5 >= 1 /\ Ar_2 >= 1 /\ Ar_4 >= Ar_5 /\ -Fresh_0 + 1 >= 0 /\ Ar_5 - Fresh_0 >= 0 /\ -Ar_5 - Fresh_0 + 3 >= 0 /\ Ar_4 - Fresh_0 - 1 >= 0 /\ -Ar_4 - Fresh_0 + 3 >= 0 /\ Ar_2 - Fresh_0 >= 0 /\ Ar_0 - Fresh_0 >= 0 /\ Ar_5 + Fresh_0 - 1 >= 0 /\ -Ar_5 + Fresh_0 + 2 >= 0 /\ Ar_4 + Fresh_0 - 2 >= 0 /\ -Ar_4 + Fresh_0 + 2 >= 0 /\ Ar_2 + Fresh_0 - 1 >= 0 /\ Ar_0 + Fresh_0 - 1 >= 0 /\ -Ar_5 + 2 >= 0 /\ Ar_4 - Ar_5 >= 0 /\ -Ar_4 - Ar_5 + 4 >= 0 /\ Ar_2 - Ar_5 + 1 >= 0 /\ Ar_0 - Ar_5 + 1 >= 0 /\ Ar_5 - 1 >= 0 /\ Ar_4 + Ar_5 - 3 >= 0 /\ -Ar_4 + Ar_5 + 1 >= 0 /\ Ar_2 + Ar_5 - 2 >= 0 /\ Ar_0 + Ar_5 - 2 >= 0 /\ Ar_2 - Ar_4 + 1 >= 0 /\ Ar_2 + Ar_4 - 3 >= 0 /\ Ar_2 - 1 >= 0 /\ Ar_0 + Ar_2 - 2 >= 0 /\ Fresh_0 >= 1 ]
		(Comp: ?, Cost: 2)    f10(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f10(Ar_0, Ar_1 - 1, Ar_2, Ar_4, Ar_5 - 1, 0)) [ -Ar_4 + 2 >= 0 /\ Ar_2 - Ar_4 + 2 >= 0 /\ Ar_0 - Ar_4 + 1 >= 0 /\ Ar_4 - 2 >= 0 /\ Ar_2 + Ar_4 - 2 >= 0 /\ Ar_0 + Ar_4 - 3 >= 0 /\ Ar_2 >= 0 /\ Ar_0 + Ar_2 - 1 >= 0 /\ Ar_0 - Ar_1 >= 0 /\ Ar_0 - 1 >= 0 /\ Ar_5 >= 1 /\ Ar_4 >= Ar_5 /\ Ar_1 >= 1 /\ 0 >= Ar_2 /\ 1 >= 0 /\ Ar_5 >= 0 /\ -Ar_5 + 3 >= 0 /\ Ar_4 - 1 >= 0 /\ -Ar_4 + 3 >= 0 /\ Ar_2 + 1 >= 0 /\ Ar_0 >= 0 /\ 0 >= 0 /\ Ar_5 - 1 >= 0 /\ -Ar_5 + 2 >= 0 /\ Ar_4 - Ar_5 >= 0 /\ -Ar_4 - Ar_5 + 4 >= 0 /\ Ar_2 - Ar_5 + 2 >= 0 /\ Ar_0 - Ar_5 + 1 >= 0 /\ Ar_4 + Ar_5 - 3 >= 0 /\ -Ar_4 + Ar_5 + 1 >= 0 /\ Ar_2 + Ar_5 - 1 >= 0 /\ Ar_0 + Ar_5 - 2 >= 0 /\ Ar_0 - Ar_1 + 1 >= 0 ]
		(Comp: 1, Cost: 1)    koat_start(Ar_0, Ar_1, Ar_2, Ar_4, Ar_5, Ar_6) -> Com_1(f10(1, 1, Fresh_3, 2, 1, Ar_6)) [ 0 <= 0 /\ Fresh_3 >= 0 ]
	start location:	koat_start
	leaf cost:	0

Complexity upper bound ?

Time: 1.054 sec (SMT: 0.755 sec)
