MAYBE

Initial complexity problem:
1:	T:
		(?, 1)    f1(a, b, c, d, e, f, g) -> f1(a, b, h, i, e, f, g) [ a >= b + 1 ]
		(?, 1)    f1(a, b, c, d, e, f, g) -> f300(a, b, h, d, i, f, g) [ b >= a ]
		(1, 1)    f2(a, b, c, d, e, f, g) -> f1(a, b, c, d, e, h, h)
	start location:	f2
	leaf cost:	0

Repeatedly removing leaves of the complexity graph in problem 1 produces the following problem:
2:	T:
		(?, 1)    f1(a, b, c, d, e, f, g) -> f1(a, b, h, i, e, f, g) [ a >= b + 1 ]
		(1, 1)    f2(a, b, c, d, e, f, g) -> f1(a, b, c, d, e, h, h)
	start location:	f2
	leaf cost:	1

By chaining the transition f2(a, b, c, d, e, f, g) -> f1(a, b, c, d, e, h, h) with all transitions in problem 2, the following new transition is obtained:
	f2(a, b, c, d, e, f, g) -> f1(a, b, h', i, e, h, h) [ a >= b + 1 ]
We thus obtain the following problem:
3:	T:
		(1, 2)    f2(a, b, c, d, e, f, g) -> f1(a, b, h', i, e, h, h) [ a >= b + 1 ]
		(?, 1)    f1(a, b, c, d, e, f, g) -> f1(a, b, h, i, e, f, g) [ a >= b + 1 ]
	start location:	f2
	leaf cost:	1

By chaining the transition f2(a, b, c, d, e, f, g) -> f1(a, b, h', i, e, h, h) [ a >= b + 1 ] with all transitions in problem 3, the following new transition is obtained:
	f2(a, b, c, d, e, f, g) -> f1(a, b, h'', i', e, h, h) [ a >= b + 1 ]
We thus obtain the following problem:
4:	T:
		(1, 3)    f2(a, b, c, d, e, f, g) -> f1(a, b, h'', i', e, h, h) [ a >= b + 1 ]
		(?, 1)    f1(a, b, c, d, e, f, g) -> f1(a, b, h, i, e, f, g) [ a >= b + 1 ]
	start location:	f2
	leaf cost:	1

By chaining the transition f2(a, b, c, d, e, f, g) -> f1(a, b, h'', i', e, h, h) [ a >= b + 1 ] with all transitions in problem 4, the following new transition is obtained:
	f2(a, b, c, d, e, f, g) -> f1(a, b, h', i, e, h, h) [ a >= b + 1 ]
We thus obtain the following problem:
5:	T:
		(1, 4)    f2(a, b, c, d, e, f, g) -> f1(a, b, h', i, e, h, h) [ a >= b + 1 ]
		(?, 1)    f1(a, b, c, d, e, f, g) -> f1(a, b, h, i, e, f, g) [ a >= b + 1 ]
	start location:	f2
	leaf cost:	1

By chaining the transition f2(a, b, c, d, e, f, g) -> f1(a, b, h', i, e, h, h) [ a >= b + 1 ] with all transitions in problem 5, the following new transition is obtained:
	f2(a, b, c, d, e, f, g) -> f1(a, b, h'', i', e, h, h) [ a >= b + 1 ]
We thus obtain the following problem:
6:	T:
		(1, 5)    f2(a, b, c, d, e, f, g) -> f1(a, b, h'', i', e, h, h) [ a >= b + 1 ]
		(?, 1)    f1(a, b, c, d, e, f, g) -> f1(a, b, h, i, e, f, g) [ a >= b + 1 ]
	start location:	f2
	leaf cost:	1

By chaining the transition f2(a, b, c, d, e, f, g) -> f1(a, b, h'', i', e, h, h) [ a >= b + 1 ] with all transitions in problem 6, the following new transition is obtained:
	f2(a, b, c, d, e, f, g) -> f1(a, b, h', i, e, h, h) [ a >= b + 1 ]
We thus obtain the following problem:
7:	T:
		(1, 6)    f2(a, b, c, d, e, f, g) -> f1(a, b, h', i, e, h, h) [ a >= b + 1 ]
		(?, 1)    f1(a, b, c, d, e, f, g) -> f1(a, b, h, i, e, f, g) [ a >= b + 1 ]
	start location:	f2
	leaf cost:	1

By chaining the transition f2(a, b, c, d, e, f, g) -> f1(a, b, h', i, e, h, h) [ a >= b + 1 ] with all transitions in problem 7, the following new transition is obtained:
	f2(a, b, c, d, e, f, g) -> f1(a, b, h'', i', e, h, h) [ a >= b + 1 ]
We thus obtain the following problem:
8:	T:
		(1, 7)    f2(a, b, c, d, e, f, g) -> f1(a, b, h'', i', e, h, h) [ a >= b + 1 ]
		(?, 1)    f1(a, b, c, d, e, f, g) -> f1(a, b, h, i, e, f, g) [ a >= b + 1 ]
	start location:	f2
	leaf cost:	1

By chaining the transition f2(a, b, c, d, e, f, g) -> f1(a, b, h'', i', e, h, h) [ a >= b + 1 ] with all transitions in problem 8, the following new transition is obtained:
	f2(a, b, c, d, e, f, g) -> f1(a, b, h', i, e, h, h) [ a >= b + 1 ]
We thus obtain the following problem:
9:	T:
		(1, 8)    f2(a, b, c, d, e, f, g) -> f1(a, b, h', i, e, h, h) [ a >= b + 1 ]
		(?, 1)    f1(a, b, c, d, e, f, g) -> f1(a, b, h, i, e, f, g) [ a >= b + 1 ]
	start location:	f2
	leaf cost:	1

By chaining the transition f2(a, b, c, d, e, f, g) -> f1(a, b, h', i, e, h, h) [ a >= b + 1 ] with all transitions in problem 9, the following new transition is obtained:
	f2(a, b, c, d, e, f, g) -> f1(a, b, h'', i', e, h, h) [ a >= b + 1 ]
We thus obtain the following problem:
10:	T:
		(1, 9)    f2(a, b, c, d, e, f, g) -> f1(a, b, h'', i', e, h, h) [ a >= b + 1 ]
		(?, 1)    f1(a, b, c, d, e, f, g) -> f1(a, b, h, i, e, f, g) [ a >= b + 1 ]
	start location:	f2
	leaf cost:	1

By chaining the transition f2(a, b, c, d, e, f, g) -> f1(a, b, h'', i', e, h, h) [ a >= b + 1 ] with all transitions in problem 10, the following new transition is obtained:
	f2(a, b, c, d, e, f, g) -> f1(a, b, h', i, e, h, h) [ a >= b + 1 ]
We thus obtain the following problem:
11:	T:
		(1, 10)    f2(a, b, c, d, e, f, g) -> f1(a, b, h', i, e, h, h) [ a >= b + 1 ]
		(?, 1)     f1(a, b, c, d, e, f, g) -> f1(a, b, h, i, e, f, g) [ a >= b + 1 ]
	start location:	f2
	leaf cost:	1

By chaining the transition f2(a, b, c, d, e, f, g) -> f1(a, b, h', i, e, h, h) [ a >= b + 1 ] with all transitions in problem 11, the following new transition is obtained:
	f2(a, b, c, d, e, f, g) -> f1(a, b, h'', i', e, h, h) [ a >= b + 1 ]
We thus obtain the following problem:
12:	T:
		(1, 11)    f2(a, b, c, d, e, f, g) -> f1(a, b, h'', i', e, h, h) [ a >= b + 1 ]
		(?, 1)     f1(a, b, c, d, e, f, g) -> f1(a, b, h, i, e, f, g) [ a >= b + 1 ]
	start location:	f2
	leaf cost:	1

By chaining the transition f2(a, b, c, d, e, f, g) -> f1(a, b, h'', i', e, h, h) [ a >= b + 1 ] with all transitions in problem 12, the following new transition is obtained:
	f2(a, b, c, d, e, f, g) -> f1(a, b, h', i, e, h, h) [ a >= b + 1 ]
We thus obtain the following problem:
13:	T:
		(1, 12)    f2(a, b, c, d, e, f, g) -> f1(a, b, h', i, e, h, h) [ a >= b + 1 ]
		(?, 1)     f1(a, b, c, d, e, f, g) -> f1(a, b, h, i, e, f, g) [ a >= b + 1 ]
	start location:	f2
	leaf cost:	1

By chaining the transition f2(a, b, c, d, e, f, g) -> f1(a, b, h', i, e, h, h) [ a >= b + 1 ] with all transitions in problem 13, the following new transition is obtained:
	f2(a, b, c, d, e, f, g) -> f1(a, b, h'', i', e, h, h) [ a >= b + 1 ]
We thus obtain the following problem:
14:	T:
		(1, 13)    f2(a, b, c, d, e, f, g) -> f1(a, b, h'', i', e, h, h) [ a >= b + 1 ]
		(?, 1)     f1(a, b, c, d, e, f, g) -> f1(a, b, h, i, e, f, g) [ a >= b + 1 ]
	start location:	f2
	leaf cost:	1

By chaining the transition f2(a, b, c, d, e, f, g) -> f1(a, b, h'', i', e, h, h) [ a >= b + 1 ] with all transitions in problem 14, the following new transition is obtained:
	f2(a, b, c, d, e, f, g) -> f1(a, b, h', i, e, h, h) [ a >= b + 1 ]
We thus obtain the following problem:
15:	T:
		(1, 14)    f2(a, b, c, d, e, f, g) -> f1(a, b, h', i, e, h, h) [ a >= b + 1 ]
		(?, 1)     f1(a, b, c, d, e, f, g) -> f1(a, b, h, i, e, f, g) [ a >= b + 1 ]
	start location:	f2
	leaf cost:	1

By chaining the transition f2(a, b, c, d, e, f, g) -> f1(a, b, h', i, e, h, h) [ a >= b + 1 ] with all transitions in problem 15, the following new transition is obtained:
	f2(a, b, c, d, e, f, g) -> f1(a, b, h'', i', e, h, h) [ a >= b + 1 ]
We thus obtain the following problem:
16:	T:
		(1, 15)    f2(a, b, c, d, e, f, g) -> f1(a, b, h'', i', e, h, h) [ a >= b + 1 ]
		(?, 1)     f1(a, b, c, d, e, f, g) -> f1(a, b, h, i, e, f, g) [ a >= b + 1 ]
	start location:	f2
	leaf cost:	1

By chaining the transition f2(a, b, c, d, e, f, g) -> f1(a, b, h'', i', e, h, h) [ a >= b + 1 ] with all transitions in problem 16, the following new transition is obtained:
	f2(a, b, c, d, e, f, g) -> f1(a, b, h', i, e, h, h) [ a >= b + 1 ]
We thus obtain the following problem:
17:	T:
		(1, 16)    f2(a, b, c, d, e, f, g) -> f1(a, b, h', i, e, h, h) [ a >= b + 1 ]
		(?, 1)     f1(a, b, c, d, e, f, g) -> f1(a, b, h, i, e, f, g) [ a >= b + 1 ]
	start location:	f2
	leaf cost:	1

Complexity upper bound ?

Time: 1.049 sec (SMT: 0.977 sec)