YES(?, 22*a + 19)

Initial complexity problem:
1:	T:
		(?, 1)    start(a, b, c, d, e, f, g, h, i, j) -> stop(a, 0, c, 0, e, f, g, 0, i, j) [ 0 >= a /\ b = c /\ d = e /\ f = g /\ h = i /\ j = a ]
		(?, 1)    start(a, b, c, d, e, f, g, h, i, j) -> lbl81(a, 0, c, 0, e, k, g, 1, i, j) [ a >= 1 /\ b = c /\ d = e /\ f = g /\ h = i /\ j = a ]
		(?, 1)    lbl21(a, b, c, d, e, f, g, h, i, j) -> stop(a, b, c, d, e, f, g, h, i, j) [ a + d + b >= 1 /\ a + d >= b + 1 /\ a + b >= d + 1 /\ a >= d + b + 1 /\ h = a /\ j = a ]
		(?, 1)    lbl21(a, b, c, d, e, f, g, h, i, j) -> lbl81(a, b, c, d, e, k, g, h + 1, i, j) [ a >= h + 1 /\ a >= h /\ h + d + b >= 1 /\ h + d >= b + 1 /\ h + b >= d + 1 /\ h >= d + b + 1 /\ j = a ]
		(?, 1)    lbl121(a, b, c, d, e, f, g, h, i, j) -> stop(a, b, c, d, e, f, g, h, i, j) [ a + d + b >= 2 /\ a + d >= b + 2 /\ a + b >= d /\ a >= d + b /\ h = a /\ f = 0 /\ j = a ]
		(?, 1)    lbl121(a, b, c, d, e, f, g, h, i, j) -> lbl81(a, b, c, d, e, k, g, h + 1, i, j) [ a >= h + 1 /\ a >= h /\ h + d + b >= 2 /\ h + d >= b + 2 /\ h + b >= d /\ h >= d + b /\ f = 0 /\ j = a ]
		(?, 1)    lbl141(a, b, c, d, e, f, g, h, i, j) -> stop(a, b, c, d, e, f, g, h, i, j) [ a + d + b >= 0 /\ a + d >= b /\ a + b >= d + 2 /\ a >= d + b + 2 /\ h = a /\ f = 1 /\ j = a ]
		(?, 1)    lbl141(a, b, c, d, e, f, g, h, i, j) -> lbl81(a, b, c, d, e, k, g, h + 1, i, j) [ a >= h + 1 /\ a >= h /\ h + d + b >= 0 /\ h + d >= b /\ h + b >= d + 2 /\ h >= d + b + 2 /\ f = 1 /\ j = a ]
		(?, 1)    lbl171(a, b, c, d, e, f, g, h, i, j) -> stop(a, b, c, d, e, f, g, h, i, j) [ a + d + b >= 2 /\ a + d >= b /\ a + b >= d + 2 /\ a >= d + b /\ h = a /\ f = 2 /\ j = a ]
		(?, 1)    lbl171(a, b, c, d, e, f, g, h, i, j) -> lbl81(a, b, c, d, e, k, g, h + 1, i, j) [ a >= h + 1 /\ a >= h /\ h + d + b >= 2 /\ h + d >= b /\ h + b >= d + 2 /\ h >= d + b /\ f = 2 /\ j = a ]
		(?, 1)    lbl191(a, b, c, d, e, f, g, h, i, j) -> stop(a, b, c, d, e, f, g, h, i, j) [ a + d + b >= 0 /\ a + d >= b + 2 /\ a + b >= d /\ a >= d + b + 2 /\ h = a /\ f = 3 /\ j = a ]
		(?, 1)    lbl191(a, b, c, d, e, f, g, h, i, j) -> lbl81(a, b, c, d, e, k, g, h + 1, i, j) [ a >= h + 1 /\ a >= h /\ h + d + b >= 0 /\ h + d >= b + 2 /\ h + b >= d /\ h >= d + b + 2 /\ f = 3 /\ j = a ]
		(?, 1)    lbl81(a, b, c, d, e, f, g, h, i, j) -> lbl21(a, b, c, d, e, f, g, h, i, j) [ 0 >= f + 1 /\ h + d >= b + 1 /\ h + b >= d + 1 /\ h >= d + b + 1 /\ h + d + b >= 1 /\ a >= h /\ j = a ]
		(?, 1)    lbl81(a, b, c, d, e, f, g, h, i, j) -> lbl21(a, b, c, d, e, f, g, h, i, j) [ f >= 4 /\ h + d >= b + 1 /\ h + b >= d + 1 /\ h >= d + b + 1 /\ h + d + b >= 1 /\ a >= h /\ j = a ]
		(?, 1)    lbl81(a, b, c, d, e, f, g, h, i, j) -> lbl121(a, b, c, d + 1, e, f, g, h, i, j) [ h + d >= b + 1 /\ h + b >= d + 1 /\ h >= d + b + 1 /\ h + d + b >= 1 /\ a >= h /\ f = 0 /\ j = a ]
		(?, 1)    lbl81(a, b, c, d, e, f, g, h, i, j) -> lbl141(a, b, c, d - 1, e, f, g, h, i, j) [ h + d >= b + 1 /\ h + b >= d + 1 /\ h >= d + b + 1 /\ h + d + b >= 1 /\ a >= h /\ f = 1 /\ j = a ]
		(?, 1)    lbl81(a, b, c, d, e, f, g, h, i, j) -> lbl171(a, b + 1, c, d, e, f, g, h, i, j) [ h + d >= b + 1 /\ h + b >= d + 1 /\ h >= d + b + 1 /\ h + d + b >= 1 /\ a >= h /\ f = 2 /\ j = a ]
		(?, 1)    lbl81(a, b, c, d, e, f, g, h, i, j) -> lbl191(a, b - 1, c, d, e, f, g, h, i, j) [ h + d >= b + 1 /\ h + b >= d + 1 /\ h >= d + b + 1 /\ h + d + b >= 1 /\ a >= h /\ f = 3 /\ j = a ]
		(1, 1)    start0(a, b, c, d, e, f, g, h, i, j) -> start(a, c, c, e, e, g, g, i, i, a)
	start location:	start0
	leaf cost:	0

Repeatedly removing leaves of the complexity graph in problem 1 produces the following problem:
2:	T:
		(?, 1)    start(a, b, c, d, e, f, g, h, i, j) -> lbl81(a, 0, c, 0, e, k, g, 1, i, j) [ a >= 1 /\ b = c /\ d = e /\ f = g /\ h = i /\ j = a ]
		(?, 1)    lbl21(a, b, c, d, e, f, g, h, i, j) -> lbl81(a, b, c, d, e, k, g, h + 1, i, j) [ a >= h + 1 /\ a >= h /\ h + d + b >= 1 /\ h + d >= b + 1 /\ h + b >= d + 1 /\ h >= d + b + 1 /\ j = a ]
		(?, 1)    lbl121(a, b, c, d, e, f, g, h, i, j) -> lbl81(a, b, c, d, e, k, g, h + 1, i, j) [ a >= h + 1 /\ a >= h /\ h + d + b >= 2 /\ h + d >= b + 2 /\ h + b >= d /\ h >= d + b /\ f = 0 /\ j = a ]
		(?, 1)    lbl141(a, b, c, d, e, f, g, h, i, j) -> lbl81(a, b, c, d, e, k, g, h + 1, i, j) [ a >= h + 1 /\ a >= h /\ h + d + b >= 0 /\ h + d >= b /\ h + b >= d + 2 /\ h >= d + b + 2 /\ f = 1 /\ j = a ]
		(?, 1)    lbl171(a, b, c, d, e, f, g, h, i, j) -> lbl81(a, b, c, d, e, k, g, h + 1, i, j) [ a >= h + 1 /\ a >= h /\ h + d + b >= 2 /\ h + d >= b /\ h + b >= d + 2 /\ h >= d + b /\ f = 2 /\ j = a ]
		(?, 1)    lbl191(a, b, c, d, e, f, g, h, i, j) -> lbl81(a, b, c, d, e, k, g, h + 1, i, j) [ a >= h + 1 /\ a >= h /\ h + d + b >= 0 /\ h + d >= b + 2 /\ h + b >= d /\ h >= d + b + 2 /\ f = 3 /\ j = a ]
		(?, 1)    lbl81(a, b, c, d, e, f, g, h, i, j) -> lbl21(a, b, c, d, e, f, g, h, i, j) [ 0 >= f + 1 /\ h + d >= b + 1 /\ h + b >= d + 1 /\ h >= d + b + 1 /\ h + d + b >= 1 /\ a >= h /\ j = a ]
		(?, 1)    lbl81(a, b, c, d, e, f, g, h, i, j) -> lbl21(a, b, c, d, e, f, g, h, i, j) [ f >= 4 /\ h + d >= b + 1 /\ h + b >= d + 1 /\ h >= d + b + 1 /\ h + d + b >= 1 /\ a >= h /\ j = a ]
		(?, 1)    lbl81(a, b, c, d, e, f, g, h, i, j) -> lbl121(a, b, c, d + 1, e, f, g, h, i, j) [ h + d >= b + 1 /\ h + b >= d + 1 /\ h >= d + b + 1 /\ h + d + b >= 1 /\ a >= h /\ f = 0 /\ j = a ]
		(?, 1)    lbl81(a, b, c, d, e, f, g, h, i, j) -> lbl141(a, b, c, d - 1, e, f, g, h, i, j) [ h + d >= b + 1 /\ h + b >= d + 1 /\ h >= d + b + 1 /\ h + d + b >= 1 /\ a >= h /\ f = 1 /\ j = a ]
		(?, 1)    lbl81(a, b, c, d, e, f, g, h, i, j) -> lbl171(a, b + 1, c, d, e, f, g, h, i, j) [ h + d >= b + 1 /\ h + b >= d + 1 /\ h >= d + b + 1 /\ h + d + b >= 1 /\ a >= h /\ f = 2 /\ j = a ]
		(?, 1)    lbl81(a, b, c, d, e, f, g, h, i, j) -> lbl191(a, b - 1, c, d, e, f, g, h, i, j) [ h + d >= b + 1 /\ h + b >= d + 1 /\ h >= d + b + 1 /\ h + d + b >= 1 /\ a >= h /\ f = 3 /\ j = a ]
		(1, 1)    start0(a, b, c, d, e, f, g, h, i, j) -> start(a, c, c, e, e, g, g, i, i, a)
	start location:	start0
	leaf cost:	6

Repeatedly propagating knowledge in problem 2 produces the following problem:
3:	T:
		(1, 1)    start(a, b, c, d, e, f, g, h, i, j) -> lbl81(a, 0, c, 0, e, k, g, 1, i, j) [ a >= 1 /\ b = c /\ d = e /\ f = g /\ h = i /\ j = a ]
		(?, 1)    lbl21(a, b, c, d, e, f, g, h, i, j) -> lbl81(a, b, c, d, e, k, g, h + 1, i, j) [ a >= h + 1 /\ a >= h /\ h + d + b >= 1 /\ h + d >= b + 1 /\ h + b >= d + 1 /\ h >= d + b + 1 /\ j = a ]
		(?, 1)    lbl121(a, b, c, d, e, f, g, h, i, j) -> lbl81(a, b, c, d, e, k, g, h + 1, i, j) [ a >= h + 1 /\ a >= h /\ h + d + b >= 2 /\ h + d >= b + 2 /\ h + b >= d /\ h >= d + b /\ f = 0 /\ j = a ]
		(?, 1)    lbl141(a, b, c, d, e, f, g, h, i, j) -> lbl81(a, b, c, d, e, k, g, h + 1, i, j) [ a >= h + 1 /\ a >= h /\ h + d + b >= 0 /\ h + d >= b /\ h + b >= d + 2 /\ h >= d + b + 2 /\ f = 1 /\ j = a ]
		(?, 1)    lbl171(a, b, c, d, e, f, g, h, i, j) -> lbl81(a, b, c, d, e, k, g, h + 1, i, j) [ a >= h + 1 /\ a >= h /\ h + d + b >= 2 /\ h + d >= b /\ h + b >= d + 2 /\ h >= d + b /\ f = 2 /\ j = a ]
		(?, 1)    lbl191(a, b, c, d, e, f, g, h, i, j) -> lbl81(a, b, c, d, e, k, g, h + 1, i, j) [ a >= h + 1 /\ a >= h /\ h + d + b >= 0 /\ h + d >= b + 2 /\ h + b >= d /\ h >= d + b + 2 /\ f = 3 /\ j = a ]
		(?, 1)    lbl81(a, b, c, d, e, f, g, h, i, j) -> lbl21(a, b, c, d, e, f, g, h, i, j) [ 0 >= f + 1 /\ h + d >= b + 1 /\ h + b >= d + 1 /\ h >= d + b + 1 /\ h + d + b >= 1 /\ a >= h /\ j = a ]
		(?, 1)    lbl81(a, b, c, d, e, f, g, h, i, j) -> lbl21(a, b, c, d, e, f, g, h, i, j) [ f >= 4 /\ h + d >= b + 1 /\ h + b >= d + 1 /\ h >= d + b + 1 /\ h + d + b >= 1 /\ a >= h /\ j = a ]
		(?, 1)    lbl81(a, b, c, d, e, f, g, h, i, j) -> lbl121(a, b, c, d + 1, e, f, g, h, i, j) [ h + d >= b + 1 /\ h + b >= d + 1 /\ h >= d + b + 1 /\ h + d + b >= 1 /\ a >= h /\ f = 0 /\ j = a ]
		(?, 1)    lbl81(a, b, c, d, e, f, g, h, i, j) -> lbl141(a, b, c, d - 1, e, f, g, h, i, j) [ h + d >= b + 1 /\ h + b >= d + 1 /\ h >= d + b + 1 /\ h + d + b >= 1 /\ a >= h /\ f = 1 /\ j = a ]
		(?, 1)    lbl81(a, b, c, d, e, f, g, h, i, j) -> lbl171(a, b + 1, c, d, e, f, g, h, i, j) [ h + d >= b + 1 /\ h + b >= d + 1 /\ h >= d + b + 1 /\ h + d + b >= 1 /\ a >= h /\ f = 2 /\ j = a ]
		(?, 1)    lbl81(a, b, c, d, e, f, g, h, i, j) -> lbl191(a, b - 1, c, d, e, f, g, h, i, j) [ h + d >= b + 1 /\ h + b >= d + 1 /\ h >= d + b + 1 /\ h + d + b >= 1 /\ a >= h /\ f = 3 /\ j = a ]
		(1, 1)    start0(a, b, c, d, e, f, g, h, i, j) -> start(a, c, c, e, e, g, g, i, i, a)
	start location:	start0
	leaf cost:	6

A polynomial rank function with
	Pol(start) = 2*V_1 - 1
	Pol(lbl81) = 2*V_1 - 2*V_8 + 1
	Pol(lbl21) = 2*V_1 - 2*V_8
	Pol(lbl121) = 2*V_1 - 2*V_8
	Pol(lbl141) = 2*V_1 - 2*V_8
	Pol(lbl171) = 2*V_1 - 2*V_8
	Pol(lbl191) = 2*V_1 - 2*V_8
	Pol(start0) = 2*V_1 - 1
orients all transitions weakly and the transitions
	lbl81(a, b, c, d, e, f, g, h, i, j) -> lbl21(a, b, c, d, e, f, g, h, i, j) [ f >= 4 /\ h + d >= b + 1 /\ h + b >= d + 1 /\ h >= d + b + 1 /\ h + d + b >= 1 /\ a >= h /\ j = a ]
	lbl81(a, b, c, d, e, f, g, h, i, j) -> lbl21(a, b, c, d, e, f, g, h, i, j) [ 0 >= f + 1 /\ h + d >= b + 1 /\ h + b >= d + 1 /\ h >= d + b + 1 /\ h + d + b >= 1 /\ a >= h /\ j = a ]
	lbl81(a, b, c, d, e, f, g, h, i, j) -> lbl191(a, b - 1, c, d, e, f, g, h, i, j) [ h + d >= b + 1 /\ h + b >= d + 1 /\ h >= d + b + 1 /\ h + d + b >= 1 /\ a >= h /\ f = 3 /\ j = a ]
	lbl81(a, b, c, d, e, f, g, h, i, j) -> lbl171(a, b + 1, c, d, e, f, g, h, i, j) [ h + d >= b + 1 /\ h + b >= d + 1 /\ h >= d + b + 1 /\ h + d + b >= 1 /\ a >= h /\ f = 2 /\ j = a ]
	lbl81(a, b, c, d, e, f, g, h, i, j) -> lbl141(a, b, c, d - 1, e, f, g, h, i, j) [ h + d >= b + 1 /\ h + b >= d + 1 /\ h >= d + b + 1 /\ h + d + b >= 1 /\ a >= h /\ f = 1 /\ j = a ]
	lbl81(a, b, c, d, e, f, g, h, i, j) -> lbl121(a, b, c, d + 1, e, f, g, h, i, j) [ h + d >= b + 1 /\ h + b >= d + 1 /\ h >= d + b + 1 /\ h + d + b >= 1 /\ a >= h /\ f = 0 /\ j = a ]
	lbl21(a, b, c, d, e, f, g, h, i, j) -> lbl81(a, b, c, d, e, k, g, h + 1, i, j) [ a >= h + 1 /\ a >= h /\ h + d + b >= 1 /\ h + d >= b + 1 /\ h + b >= d + 1 /\ h >= d + b + 1 /\ j = a ]
	lbl191(a, b, c, d, e, f, g, h, i, j) -> lbl81(a, b, c, d, e, k, g, h + 1, i, j) [ a >= h + 1 /\ a >= h /\ h + d + b >= 0 /\ h + d >= b + 2 /\ h + b >= d /\ h >= d + b + 2 /\ f = 3 /\ j = a ]
	lbl171(a, b, c, d, e, f, g, h, i, j) -> lbl81(a, b, c, d, e, k, g, h + 1, i, j) [ a >= h + 1 /\ a >= h /\ h + d + b >= 2 /\ h + d >= b /\ h + b >= d + 2 /\ h >= d + b /\ f = 2 /\ j = a ]
	lbl141(a, b, c, d, e, f, g, h, i, j) -> lbl81(a, b, c, d, e, k, g, h + 1, i, j) [ a >= h + 1 /\ a >= h /\ h + d + b >= 0 /\ h + d >= b /\ h + b >= d + 2 /\ h >= d + b + 2 /\ f = 1 /\ j = a ]
	lbl121(a, b, c, d, e, f, g, h, i, j) -> lbl81(a, b, c, d, e, k, g, h + 1, i, j) [ a >= h + 1 /\ a >= h /\ h + d + b >= 2 /\ h + d >= b + 2 /\ h + b >= d /\ h >= d + b /\ f = 0 /\ j = a ]
strictly and produces the following problem:
4:	T:
		(1, 1)          start(a, b, c, d, e, f, g, h, i, j) -> lbl81(a, 0, c, 0, e, k, g, 1, i, j) [ a >= 1 /\ b = c /\ d = e /\ f = g /\ h = i /\ j = a ]
		(2*a + 1, 1)    lbl21(a, b, c, d, e, f, g, h, i, j) -> lbl81(a, b, c, d, e, k, g, h + 1, i, j) [ a >= h + 1 /\ a >= h /\ h + d + b >= 1 /\ h + d >= b + 1 /\ h + b >= d + 1 /\ h >= d + b + 1 /\ j = a ]
		(2*a + 1, 1)    lbl121(a, b, c, d, e, f, g, h, i, j) -> lbl81(a, b, c, d, e, k, g, h + 1, i, j) [ a >= h + 1 /\ a >= h /\ h + d + b >= 2 /\ h + d >= b + 2 /\ h + b >= d /\ h >= d + b /\ f = 0 /\ j = a ]
		(2*a + 1, 1)    lbl141(a, b, c, d, e, f, g, h, i, j) -> lbl81(a, b, c, d, e, k, g, h + 1, i, j) [ a >= h + 1 /\ a >= h /\ h + d + b >= 0 /\ h + d >= b /\ h + b >= d + 2 /\ h >= d + b + 2 /\ f = 1 /\ j = a ]
		(2*a + 1, 1)    lbl171(a, b, c, d, e, f, g, h, i, j) -> lbl81(a, b, c, d, e, k, g, h + 1, i, j) [ a >= h + 1 /\ a >= h /\ h + d + b >= 2 /\ h + d >= b /\ h + b >= d + 2 /\ h >= d + b /\ f = 2 /\ j = a ]
		(2*a + 1, 1)    lbl191(a, b, c, d, e, f, g, h, i, j) -> lbl81(a, b, c, d, e, k, g, h + 1, i, j) [ a >= h + 1 /\ a >= h /\ h + d + b >= 0 /\ h + d >= b + 2 /\ h + b >= d /\ h >= d + b + 2 /\ f = 3 /\ j = a ]
		(2*a + 1, 1)    lbl81(a, b, c, d, e, f, g, h, i, j) -> lbl21(a, b, c, d, e, f, g, h, i, j) [ 0 >= f + 1 /\ h + d >= b + 1 /\ h + b >= d + 1 /\ h >= d + b + 1 /\ h + d + b >= 1 /\ a >= h /\ j = a ]
		(2*a + 1, 1)    lbl81(a, b, c, d, e, f, g, h, i, j) -> lbl21(a, b, c, d, e, f, g, h, i, j) [ f >= 4 /\ h + d >= b + 1 /\ h + b >= d + 1 /\ h >= d + b + 1 /\ h + d + b >= 1 /\ a >= h /\ j = a ]
		(2*a + 1, 1)    lbl81(a, b, c, d, e, f, g, h, i, j) -> lbl121(a, b, c, d + 1, e, f, g, h, i, j) [ h + d >= b + 1 /\ h + b >= d + 1 /\ h >= d + b + 1 /\ h + d + b >= 1 /\ a >= h /\ f = 0 /\ j = a ]
		(2*a + 1, 1)    lbl81(a, b, c, d, e, f, g, h, i, j) -> lbl141(a, b, c, d - 1, e, f, g, h, i, j) [ h + d >= b + 1 /\ h + b >= d + 1 /\ h >= d + b + 1 /\ h + d + b >= 1 /\ a >= h /\ f = 1 /\ j = a ]
		(2*a + 1, 1)    lbl81(a, b, c, d, e, f, g, h, i, j) -> lbl171(a, b + 1, c, d, e, f, g, h, i, j) [ h + d >= b + 1 /\ h + b >= d + 1 /\ h >= d + b + 1 /\ h + d + b >= 1 /\ a >= h /\ f = 2 /\ j = a ]
		(2*a + 1, 1)    lbl81(a, b, c, d, e, f, g, h, i, j) -> lbl191(a, b - 1, c, d, e, f, g, h, i, j) [ h + d >= b + 1 /\ h + b >= d + 1 /\ h >= d + b + 1 /\ h + d + b >= 1 /\ a >= h /\ f = 3 /\ j = a ]
		(1, 1)          start0(a, b, c, d, e, f, g, h, i, j) -> start(a, c, c, e, e, g, g, i, i, a)
	start location:	start0
	leaf cost:	6

Complexity upper bound 22*a + 19

Time: 1.235 sec (SMT: 1.118 sec)