YES(?, 500*a + 300*b + 50*a^2 + 100*a*b + 1053)

Initial complexity problem:
1:	T:
		(1, 1)    evalfstart(a, b, c, d) -> evalfentryin(a, b, c, d)
		(?, 1)    evalfentryin(a, b, c, d) -> evalfbb3in(a, b, 0, 0) [ a >= 1 /\ b >= a + 1 ]
		(?, 1)    evalfbb3in(a, b, c, d) -> evalfreturnin(a, b, c, d) [ d >= b ]
		(?, 1)    evalfbb3in(a, b, c, d) -> evalfbb4in(a, b, c, d) [ b >= d + 1 ]
		(?, 1)    evalfbb4in(a, b, c, d) -> evalfbbin(a, b, c, d) [ 0 >= e + 1 ]
		(?, 1)    evalfbb4in(a, b, c, d) -> evalfbbin(a, b, c, d) [ e >= 1 ]
		(?, 1)    evalfbb4in(a, b, c, d) -> evalfreturnin(a, b, c, d)
		(?, 1)    evalfbbin(a, b, c, d) -> evalfbb1in(a, b, c, d) [ a >= c + 1 ]
		(?, 1)    evalfbbin(a, b, c, d) -> evalfbb2in(a, b, c, d) [ c >= a ]
		(?, 1)    evalfbb1in(a, b, c, d) -> evalfbb3in(a, b, c + 1, d)
		(?, 1)    evalfbb2in(a, b, c, d) -> evalfbb3in(a, b, 0, d + 1)
		(?, 1)    evalfreturnin(a, b, c, d) -> evalfstop(a, b, c, d)
	start location:	evalfstart
	leaf cost:	0

Repeatedly removing leaves of the complexity graph in problem 1 produces the following problem:
2:	T:
		(1, 1)    evalfstart(a, b, c, d) -> evalfentryin(a, b, c, d)
		(?, 1)    evalfentryin(a, b, c, d) -> evalfbb3in(a, b, 0, 0) [ a >= 1 /\ b >= a + 1 ]
		(?, 1)    evalfbb3in(a, b, c, d) -> evalfbb4in(a, b, c, d) [ b >= d + 1 ]
		(?, 1)    evalfbb4in(a, b, c, d) -> evalfbbin(a, b, c, d) [ 0 >= e + 1 ]
		(?, 1)    evalfbb4in(a, b, c, d) -> evalfbbin(a, b, c, d) [ e >= 1 ]
		(?, 1)    evalfbbin(a, b, c, d) -> evalfbb1in(a, b, c, d) [ a >= c + 1 ]
		(?, 1)    evalfbbin(a, b, c, d) -> evalfbb2in(a, b, c, d) [ c >= a ]
		(?, 1)    evalfbb1in(a, b, c, d) -> evalfbb3in(a, b, c + 1, d)
		(?, 1)    evalfbb2in(a, b, c, d) -> evalfbb3in(a, b, 0, d + 1)
	start location:	evalfstart
	leaf cost:	3

Repeatedly propagating knowledge in problem 2 produces the following problem:
3:	T:
		(1, 1)    evalfstart(a, b, c, d) -> evalfentryin(a, b, c, d)
		(1, 1)    evalfentryin(a, b, c, d) -> evalfbb3in(a, b, 0, 0) [ a >= 1 /\ b >= a + 1 ]
		(?, 1)    evalfbb3in(a, b, c, d) -> evalfbb4in(a, b, c, d) [ b >= d + 1 ]
		(?, 1)    evalfbb4in(a, b, c, d) -> evalfbbin(a, b, c, d) [ 0 >= e + 1 ]
		(?, 1)    evalfbb4in(a, b, c, d) -> evalfbbin(a, b, c, d) [ e >= 1 ]
		(?, 1)    evalfbbin(a, b, c, d) -> evalfbb1in(a, b, c, d) [ a >= c + 1 ]
		(?, 1)    evalfbbin(a, b, c, d) -> evalfbb2in(a, b, c, d) [ c >= a ]
		(?, 1)    evalfbb1in(a, b, c, d) -> evalfbb3in(a, b, c + 1, d)
		(?, 1)    evalfbb2in(a, b, c, d) -> evalfbb3in(a, b, 0, d + 1)
	start location:	evalfstart
	leaf cost:	3

Applied AI with 'oct' on problem 3 to obtain the following invariants:
  For symbol evalfbb1in: X_2 - X_4 - 1 >= 0 /\ X_4 >= 0 /\ X_3 + X_4 >= 0 /\ X_2 + X_4 - 2 >= 0 /\ X_1 + X_4 - 1 >= 0 /\ X_2 - X_3 - 2 >= 0 /\ X_1 - X_3 - 1 >= 0 /\ X_3 >= 0 /\ X_2 + X_3 - 2 >= 0 /\ X_1 + X_3 - 1 >= 0 /\ X_2 - 2 >= 0 /\ X_1 + X_2 - 3 >= 0 /\ -X_1 + X_2 - 1 >= 0 /\ X_1 - 1 >= 0
  For symbol evalfbb2in: X_2 - X_4 - 1 >= 0 /\ X_4 >= 0 /\ X_3 + X_4 - 1 >= 0 /\ X_2 + X_4 - 2 >= 0 /\ X_1 + X_4 - 1 >= 0 /\ X_3 - 1 >= 0 /\ X_2 + X_3 - 3 >= 0 /\ X_1 + X_3 - 2 >= 0 /\ -X_1 + X_3 >= 0 /\ X_2 - 2 >= 0 /\ X_1 + X_2 - 3 >= 0 /\ -X_1 + X_2 - 1 >= 0 /\ X_1 - 1 >= 0
  For symbol evalfbb3in: X_4 >= 0 /\ X_3 + X_4 >= 0 /\ X_2 + X_4 - 2 >= 0 /\ X_1 + X_4 - 1 >= 0 /\ X_3 >= 0 /\ X_2 + X_3 - 2 >= 0 /\ X_1 + X_3 - 1 >= 0 /\ X_2 - 2 >= 0 /\ X_1 + X_2 - 3 >= 0 /\ -X_1 + X_2 - 1 >= 0 /\ X_1 - 1 >= 0
  For symbol evalfbb4in: X_2 - X_4 - 1 >= 0 /\ X_4 >= 0 /\ X_3 + X_4 >= 0 /\ X_2 + X_4 - 2 >= 0 /\ X_1 + X_4 - 1 >= 0 /\ X_3 >= 0 /\ X_2 + X_3 - 2 >= 0 /\ X_1 + X_3 - 1 >= 0 /\ X_2 - 2 >= 0 /\ X_1 + X_2 - 3 >= 0 /\ -X_1 + X_2 - 1 >= 0 /\ X_1 - 1 >= 0
  For symbol evalfbbin: X_2 - X_4 - 1 >= 0 /\ X_4 >= 0 /\ X_3 + X_4 >= 0 /\ X_2 + X_4 - 2 >= 0 /\ X_1 + X_4 - 1 >= 0 /\ X_3 >= 0 /\ X_2 + X_3 - 2 >= 0 /\ X_1 + X_3 - 1 >= 0 /\ X_2 - 2 >= 0 /\ X_1 + X_2 - 3 >= 0 /\ -X_1 + X_2 - 1 >= 0 /\ X_1 - 1 >= 0


This yielded the following problem:
4:	T:
		(?, 1)    evalfbb2in(a, b, c, d) -> evalfbb3in(a, b, 0, d + 1) [ b - d - 1 >= 0 /\ d >= 0 /\ c + d - 1 >= 0 /\ b + d - 2 >= 0 /\ a + d - 1 >= 0 /\ c - 1 >= 0 /\ b + c - 3 >= 0 /\ a + c - 2 >= 0 /\ -a + c >= 0 /\ b - 2 >= 0 /\ a + b - 3 >= 0 /\ -a + b - 1 >= 0 /\ a - 1 >= 0 ]
		(?, 1)    evalfbb1in(a, b, c, d) -> evalfbb3in(a, b, c + 1, d) [ b - d - 1 >= 0 /\ d >= 0 /\ c + d >= 0 /\ b + d - 2 >= 0 /\ a + d - 1 >= 0 /\ b - c - 2 >= 0 /\ a - c - 1 >= 0 /\ c >= 0 /\ b + c - 2 >= 0 /\ a + c - 1 >= 0 /\ b - 2 >= 0 /\ a + b - 3 >= 0 /\ -a + b - 1 >= 0 /\ a - 1 >= 0 ]
		(?, 1)    evalfbbin(a, b, c, d) -> evalfbb2in(a, b, c, d) [ b - d - 1 >= 0 /\ d >= 0 /\ c + d >= 0 /\ b + d - 2 >= 0 /\ a + d - 1 >= 0 /\ c >= 0 /\ b + c - 2 >= 0 /\ a + c - 1 >= 0 /\ b - 2 >= 0 /\ a + b - 3 >= 0 /\ -a + b - 1 >= 0 /\ a - 1 >= 0 /\ c >= a ]
		(?, 1)    evalfbbin(a, b, c, d) -> evalfbb1in(a, b, c, d) [ b - d - 1 >= 0 /\ d >= 0 /\ c + d >= 0 /\ b + d - 2 >= 0 /\ a + d - 1 >= 0 /\ c >= 0 /\ b + c - 2 >= 0 /\ a + c - 1 >= 0 /\ b - 2 >= 0 /\ a + b - 3 >= 0 /\ -a + b - 1 >= 0 /\ a - 1 >= 0 /\ a >= c + 1 ]
		(?, 1)    evalfbb4in(a, b, c, d) -> evalfbbin(a, b, c, d) [ b - d - 1 >= 0 /\ d >= 0 /\ c + d >= 0 /\ b + d - 2 >= 0 /\ a + d - 1 >= 0 /\ c >= 0 /\ b + c - 2 >= 0 /\ a + c - 1 >= 0 /\ b - 2 >= 0 /\ a + b - 3 >= 0 /\ -a + b - 1 >= 0 /\ a - 1 >= 0 /\ e >= 1 ]
		(?, 1)    evalfbb4in(a, b, c, d) -> evalfbbin(a, b, c, d) [ b - d - 1 >= 0 /\ d >= 0 /\ c + d >= 0 /\ b + d - 2 >= 0 /\ a + d - 1 >= 0 /\ c >= 0 /\ b + c - 2 >= 0 /\ a + c - 1 >= 0 /\ b - 2 >= 0 /\ a + b - 3 >= 0 /\ -a + b - 1 >= 0 /\ a - 1 >= 0 /\ 0 >= e + 1 ]
		(?, 1)    evalfbb3in(a, b, c, d) -> evalfbb4in(a, b, c, d) [ d >= 0 /\ c + d >= 0 /\ b + d - 2 >= 0 /\ a + d - 1 >= 0 /\ c >= 0 /\ b + c - 2 >= 0 /\ a + c - 1 >= 0 /\ b - 2 >= 0 /\ a + b - 3 >= 0 /\ -a + b - 1 >= 0 /\ a - 1 >= 0 /\ b >= d + 1 ]
		(1, 1)    evalfentryin(a, b, c, d) -> evalfbb3in(a, b, 0, 0) [ a >= 1 /\ b >= a + 1 ]
		(1, 1)    evalfstart(a, b, c, d) -> evalfentryin(a, b, c, d)
	start location:	evalfstart
	leaf cost:	3

A polynomial rank function with
	Pol(evalfbb2in) = -2*V_1 + 4*V_2 - 2*V_4 + 12
	Pol(evalfbb3in) = -2*V_1 + 4*V_2 - 2*V_4 + 13
	Pol(evalfbb1in) = -2*V_1 + 4*V_2 - 2*V_4 + 13
	Pol(evalfbbin) = -2*V_1 + 4*V_2 - 2*V_4 + 13
	Pol(evalfbb4in) = -2*V_1 + 4*V_2 - 2*V_4 + 13
	Pol(evalfentryin) = -2*V_1 + 4*V_2 + 13
	Pol(evalfstart) = -2*V_1 + 4*V_2 + 13
orients all transitions weakly and the transition
	evalfbbin(a, b, c, d) -> evalfbb2in(a, b, c, d) [ b - d - 1 >= 0 /\ d >= 0 /\ c + d >= 0 /\ b + d - 2 >= 0 /\ a + d - 1 >= 0 /\ c >= 0 /\ b + c - 2 >= 0 /\ a + c - 1 >= 0 /\ b - 2 >= 0 /\ a + b - 3 >= 0 /\ -a + b - 1 >= 0 /\ a - 1 >= 0 /\ c >= a ]
strictly and produces the following problem:
5:	T:
		(?, 1)                 evalfbb2in(a, b, c, d) -> evalfbb3in(a, b, 0, d + 1) [ b - d - 1 >= 0 /\ d >= 0 /\ c + d - 1 >= 0 /\ b + d - 2 >= 0 /\ a + d - 1 >= 0 /\ c - 1 >= 0 /\ b + c - 3 >= 0 /\ a + c - 2 >= 0 /\ -a + c >= 0 /\ b - 2 >= 0 /\ a + b - 3 >= 0 /\ -a + b - 1 >= 0 /\ a - 1 >= 0 ]
		(?, 1)                 evalfbb1in(a, b, c, d) -> evalfbb3in(a, b, c + 1, d) [ b - d - 1 >= 0 /\ d >= 0 /\ c + d >= 0 /\ b + d - 2 >= 0 /\ a + d - 1 >= 0 /\ b - c - 2 >= 0 /\ a - c - 1 >= 0 /\ c >= 0 /\ b + c - 2 >= 0 /\ a + c - 1 >= 0 /\ b - 2 >= 0 /\ a + b - 3 >= 0 /\ -a + b - 1 >= 0 /\ a - 1 >= 0 ]
		(2*a + 4*b + 13, 1)    evalfbbin(a, b, c, d) -> evalfbb2in(a, b, c, d) [ b - d - 1 >= 0 /\ d >= 0 /\ c + d >= 0 /\ b + d - 2 >= 0 /\ a + d - 1 >= 0 /\ c >= 0 /\ b + c - 2 >= 0 /\ a + c - 1 >= 0 /\ b - 2 >= 0 /\ a + b - 3 >= 0 /\ -a + b - 1 >= 0 /\ a - 1 >= 0 /\ c >= a ]
		(?, 1)                 evalfbbin(a, b, c, d) -> evalfbb1in(a, b, c, d) [ b - d - 1 >= 0 /\ d >= 0 /\ c + d >= 0 /\ b + d - 2 >= 0 /\ a + d - 1 >= 0 /\ c >= 0 /\ b + c - 2 >= 0 /\ a + c - 1 >= 0 /\ b - 2 >= 0 /\ a + b - 3 >= 0 /\ -a + b - 1 >= 0 /\ a - 1 >= 0 /\ a >= c + 1 ]
		(?, 1)                 evalfbb4in(a, b, c, d) -> evalfbbin(a, b, c, d) [ b - d - 1 >= 0 /\ d >= 0 /\ c + d >= 0 /\ b + d - 2 >= 0 /\ a + d - 1 >= 0 /\ c >= 0 /\ b + c - 2 >= 0 /\ a + c - 1 >= 0 /\ b - 2 >= 0 /\ a + b - 3 >= 0 /\ -a + b - 1 >= 0 /\ a - 1 >= 0 /\ e >= 1 ]
		(?, 1)                 evalfbb4in(a, b, c, d) -> evalfbbin(a, b, c, d) [ b - d - 1 >= 0 /\ d >= 0 /\ c + d >= 0 /\ b + d - 2 >= 0 /\ a + d - 1 >= 0 /\ c >= 0 /\ b + c - 2 >= 0 /\ a + c - 1 >= 0 /\ b - 2 >= 0 /\ a + b - 3 >= 0 /\ -a + b - 1 >= 0 /\ a - 1 >= 0 /\ 0 >= e + 1 ]
		(?, 1)                 evalfbb3in(a, b, c, d) -> evalfbb4in(a, b, c, d) [ d >= 0 /\ c + d >= 0 /\ b + d - 2 >= 0 /\ a + d - 1 >= 0 /\ c >= 0 /\ b + c - 2 >= 0 /\ a + c - 1 >= 0 /\ b - 2 >= 0 /\ a + b - 3 >= 0 /\ -a + b - 1 >= 0 /\ a - 1 >= 0 /\ b >= d + 1 ]
		(1, 1)                 evalfentryin(a, b, c, d) -> evalfbb3in(a, b, 0, 0) [ a >= 1 /\ b >= a + 1 ]
		(1, 1)                 evalfstart(a, b, c, d) -> evalfentryin(a, b, c, d)
	start location:	evalfstart
	leaf cost:	3

Repeatedly propagating knowledge in problem 5 produces the following problem:
6:	T:
		(2*a + 4*b + 13, 1)    evalfbb2in(a, b, c, d) -> evalfbb3in(a, b, 0, d + 1) [ b - d - 1 >= 0 /\ d >= 0 /\ c + d - 1 >= 0 /\ b + d - 2 >= 0 /\ a + d - 1 >= 0 /\ c - 1 >= 0 /\ b + c - 3 >= 0 /\ a + c - 2 >= 0 /\ -a + c >= 0 /\ b - 2 >= 0 /\ a + b - 3 >= 0 /\ -a + b - 1 >= 0 /\ a - 1 >= 0 ]
		(?, 1)                 evalfbb1in(a, b, c, d) -> evalfbb3in(a, b, c + 1, d) [ b - d - 1 >= 0 /\ d >= 0 /\ c + d >= 0 /\ b + d - 2 >= 0 /\ a + d - 1 >= 0 /\ b - c - 2 >= 0 /\ a - c - 1 >= 0 /\ c >= 0 /\ b + c - 2 >= 0 /\ a + c - 1 >= 0 /\ b - 2 >= 0 /\ a + b - 3 >= 0 /\ -a + b - 1 >= 0 /\ a - 1 >= 0 ]
		(2*a + 4*b + 13, 1)    evalfbbin(a, b, c, d) -> evalfbb2in(a, b, c, d) [ b - d - 1 >= 0 /\ d >= 0 /\ c + d >= 0 /\ b + d - 2 >= 0 /\ a + d - 1 >= 0 /\ c >= 0 /\ b + c - 2 >= 0 /\ a + c - 1 >= 0 /\ b - 2 >= 0 /\ a + b - 3 >= 0 /\ -a + b - 1 >= 0 /\ a - 1 >= 0 /\ c >= a ]
		(?, 1)                 evalfbbin(a, b, c, d) -> evalfbb1in(a, b, c, d) [ b - d - 1 >= 0 /\ d >= 0 /\ c + d >= 0 /\ b + d - 2 >= 0 /\ a + d - 1 >= 0 /\ c >= 0 /\ b + c - 2 >= 0 /\ a + c - 1 >= 0 /\ b - 2 >= 0 /\ a + b - 3 >= 0 /\ -a + b - 1 >= 0 /\ a - 1 >= 0 /\ a >= c + 1 ]
		(?, 1)                 evalfbb4in(a, b, c, d) -> evalfbbin(a, b, c, d) [ b - d - 1 >= 0 /\ d >= 0 /\ c + d >= 0 /\ b + d - 2 >= 0 /\ a + d - 1 >= 0 /\ c >= 0 /\ b + c - 2 >= 0 /\ a + c - 1 >= 0 /\ b - 2 >= 0 /\ a + b - 3 >= 0 /\ -a + b - 1 >= 0 /\ a - 1 >= 0 /\ e >= 1 ]
		(?, 1)                 evalfbb4in(a, b, c, d) -> evalfbbin(a, b, c, d) [ b - d - 1 >= 0 /\ d >= 0 /\ c + d >= 0 /\ b + d - 2 >= 0 /\ a + d - 1 >= 0 /\ c >= 0 /\ b + c - 2 >= 0 /\ a + c - 1 >= 0 /\ b - 2 >= 0 /\ a + b - 3 >= 0 /\ -a + b - 1 >= 0 /\ a - 1 >= 0 /\ 0 >= e + 1 ]
		(?, 1)                 evalfbb3in(a, b, c, d) -> evalfbb4in(a, b, c, d) [ d >= 0 /\ c + d >= 0 /\ b + d - 2 >= 0 /\ a + d - 1 >= 0 /\ c >= 0 /\ b + c - 2 >= 0 /\ a + c - 1 >= 0 /\ b - 2 >= 0 /\ a + b - 3 >= 0 /\ -a + b - 1 >= 0 /\ a - 1 >= 0 /\ b >= d + 1 ]
		(1, 1)                 evalfentryin(a, b, c, d) -> evalfbb3in(a, b, 0, 0) [ a >= 1 /\ b >= a + 1 ]
		(1, 1)                 evalfstart(a, b, c, d) -> evalfentryin(a, b, c, d)
	start location:	evalfstart
	leaf cost:	3

A polynomial rank function with
	Pol(evalfbbin) = 5*V_1 - 5*V_3 + 11
	Pol(evalfbb1in) = 5*V_1 - 5*V_3 + 10
	Pol(evalfbb4in) = 5*V_1 - 5*V_3 + 13
	Pol(evalfbb3in) = 5*V_1 - 5*V_3 + 14
and size complexities
	S("evalfstart(a, b, c, d) -> evalfentryin(a, b, c, d)", 0-0) = a
	S("evalfstart(a, b, c, d) -> evalfentryin(a, b, c, d)", 0-1) = b
	S("evalfstart(a, b, c, d) -> evalfentryin(a, b, c, d)", 0-2) = c
	S("evalfstart(a, b, c, d) -> evalfentryin(a, b, c, d)", 0-3) = d
	S("evalfentryin(a, b, c, d) -> evalfbb3in(a, b, 0, 0) [ a >= 1 /\\ b >= a + 1 ]", 0-0) = a
	S("evalfentryin(a, b, c, d) -> evalfbb3in(a, b, 0, 0) [ a >= 1 /\\ b >= a + 1 ]", 0-1) = b
	S("evalfentryin(a, b, c, d) -> evalfbb3in(a, b, 0, 0) [ a >= 1 /\\ b >= a + 1 ]", 0-2) = 0
	S("evalfentryin(a, b, c, d) -> evalfbb3in(a, b, 0, 0) [ a >= 1 /\\ b >= a + 1 ]", 0-3) = 0
	S("evalfbb3in(a, b, c, d) -> evalfbb4in(a, b, c, d) [ d >= 0 /\\ c + d >= 0 /\\ b + d - 2 >= 0 /\\ a + d - 1 >= 0 /\\ c >= 0 /\\ b + c - 2 >= 0 /\\ a + c - 1 >= 0 /\\ b - 2 >= 0 /\\ a + b - 3 >= 0 /\\ -a + b - 1 >= 0 /\\ a - 1 >= 0 /\\ b >= d + 1 ]", 0-0) = a
	S("evalfbb3in(a, b, c, d) -> evalfbb4in(a, b, c, d) [ d >= 0 /\\ c + d >= 0 /\\ b + d - 2 >= 0 /\\ a + d - 1 >= 0 /\\ c >= 0 /\\ b + c - 2 >= 0 /\\ a + c - 1 >= 0 /\\ b - 2 >= 0 /\\ a + b - 3 >= 0 /\\ -a + b - 1 >= 0 /\\ a - 1 >= 0 /\\ b >= d + 1 ]", 0-1) = b
	S("evalfbb3in(a, b, c, d) -> evalfbb4in(a, b, c, d) [ d >= 0 /\\ c + d >= 0 /\\ b + d - 2 >= 0 /\\ a + d - 1 >= 0 /\\ c >= 0 /\\ b + c - 2 >= 0 /\\ a + c - 1 >= 0 /\\ b - 2 >= 0 /\\ a + b - 3 >= 0 /\\ -a + b - 1 >= 0 /\\ a - 1 >= 0 /\\ b >= d + 1 ]", 0-2) = a
	S("evalfbb3in(a, b, c, d) -> evalfbb4in(a, b, c, d) [ d >= 0 /\\ c + d >= 0 /\\ b + d - 2 >= 0 /\\ a + d - 1 >= 0 /\\ c >= 0 /\\ b + c - 2 >= 0 /\\ a + c - 1 >= 0 /\\ b - 2 >= 0 /\\ a + b - 3 >= 0 /\\ -a + b - 1 >= 0 /\\ a - 1 >= 0 /\\ b >= d + 1 ]", 0-3) = b
	S("evalfbb4in(a, b, c, d) -> evalfbbin(a, b, c, d) [ b - d - 1 >= 0 /\\ d >= 0 /\\ c + d >= 0 /\\ b + d - 2 >= 0 /\\ a + d - 1 >= 0 /\\ c >= 0 /\\ b + c - 2 >= 0 /\\ a + c - 1 >= 0 /\\ b - 2 >= 0 /\\ a + b - 3 >= 0 /\\ -a + b - 1 >= 0 /\\ a - 1 >= 0 /\\ 0 >= e + 1 ]", 0-0) = a
	S("evalfbb4in(a, b, c, d) -> evalfbbin(a, b, c, d) [ b - d - 1 >= 0 /\\ d >= 0 /\\ c + d >= 0 /\\ b + d - 2 >= 0 /\\ a + d - 1 >= 0 /\\ c >= 0 /\\ b + c - 2 >= 0 /\\ a + c - 1 >= 0 /\\ b - 2 >= 0 /\\ a + b - 3 >= 0 /\\ -a + b - 1 >= 0 /\\ a - 1 >= 0 /\\ 0 >= e + 1 ]", 0-1) = b
	S("evalfbb4in(a, b, c, d) -> evalfbbin(a, b, c, d) [ b - d - 1 >= 0 /\\ d >= 0 /\\ c + d >= 0 /\\ b + d - 2 >= 0 /\\ a + d - 1 >= 0 /\\ c >= 0 /\\ b + c - 2 >= 0 /\\ a + c - 1 >= 0 /\\ b - 2 >= 0 /\\ a + b - 3 >= 0 /\\ -a + b - 1 >= 0 /\\ a - 1 >= 0 /\\ 0 >= e + 1 ]", 0-2) = a
	S("evalfbb4in(a, b, c, d) -> evalfbbin(a, b, c, d) [ b - d - 1 >= 0 /\\ d >= 0 /\\ c + d >= 0 /\\ b + d - 2 >= 0 /\\ a + d - 1 >= 0 /\\ c >= 0 /\\ b + c - 2 >= 0 /\\ a + c - 1 >= 0 /\\ b - 2 >= 0 /\\ a + b - 3 >= 0 /\\ -a + b - 1 >= 0 /\\ a - 1 >= 0 /\\ 0 >= e + 1 ]", 0-3) = b
	S("evalfbb4in(a, b, c, d) -> evalfbbin(a, b, c, d) [ b - d - 1 >= 0 /\\ d >= 0 /\\ c + d >= 0 /\\ b + d - 2 >= 0 /\\ a + d - 1 >= 0 /\\ c >= 0 /\\ b + c - 2 >= 0 /\\ a + c - 1 >= 0 /\\ b - 2 >= 0 /\\ a + b - 3 >= 0 /\\ -a + b - 1 >= 0 /\\ a - 1 >= 0 /\\ e >= 1 ]", 0-0) = a
	S("evalfbb4in(a, b, c, d) -> evalfbbin(a, b, c, d) [ b - d - 1 >= 0 /\\ d >= 0 /\\ c + d >= 0 /\\ b + d - 2 >= 0 /\\ a + d - 1 >= 0 /\\ c >= 0 /\\ b + c - 2 >= 0 /\\ a + c - 1 >= 0 /\\ b - 2 >= 0 /\\ a + b - 3 >= 0 /\\ -a + b - 1 >= 0 /\\ a - 1 >= 0 /\\ e >= 1 ]", 0-1) = b
	S("evalfbb4in(a, b, c, d) -> evalfbbin(a, b, c, d) [ b - d - 1 >= 0 /\\ d >= 0 /\\ c + d >= 0 /\\ b + d - 2 >= 0 /\\ a + d - 1 >= 0 /\\ c >= 0 /\\ b + c - 2 >= 0 /\\ a + c - 1 >= 0 /\\ b - 2 >= 0 /\\ a + b - 3 >= 0 /\\ -a + b - 1 >= 0 /\\ a - 1 >= 0 /\\ e >= 1 ]", 0-2) = a
	S("evalfbb4in(a, b, c, d) -> evalfbbin(a, b, c, d) [ b - d - 1 >= 0 /\\ d >= 0 /\\ c + d >= 0 /\\ b + d - 2 >= 0 /\\ a + d - 1 >= 0 /\\ c >= 0 /\\ b + c - 2 >= 0 /\\ a + c - 1 >= 0 /\\ b - 2 >= 0 /\\ a + b - 3 >= 0 /\\ -a + b - 1 >= 0 /\\ a - 1 >= 0 /\\ e >= 1 ]", 0-3) = b
	S("evalfbbin(a, b, c, d) -> evalfbb1in(a, b, c, d) [ b - d - 1 >= 0 /\\ d >= 0 /\\ c + d >= 0 /\\ b + d - 2 >= 0 /\\ a + d - 1 >= 0 /\\ c >= 0 /\\ b + c - 2 >= 0 /\\ a + c - 1 >= 0 /\\ b - 2 >= 0 /\\ a + b - 3 >= 0 /\\ -a + b - 1 >= 0 /\\ a - 1 >= 0 /\\ a >= c + 1 ]", 0-0) = a
	S("evalfbbin(a, b, c, d) -> evalfbb1in(a, b, c, d) [ b - d - 1 >= 0 /\\ d >= 0 /\\ c + d >= 0 /\\ b + d - 2 >= 0 /\\ a + d - 1 >= 0 /\\ c >= 0 /\\ b + c - 2 >= 0 /\\ a + c - 1 >= 0 /\\ b - 2 >= 0 /\\ a + b - 3 >= 0 /\\ -a + b - 1 >= 0 /\\ a - 1 >= 0 /\\ a >= c + 1 ]", 0-1) = b
	S("evalfbbin(a, b, c, d) -> evalfbb1in(a, b, c, d) [ b - d - 1 >= 0 /\\ d >= 0 /\\ c + d >= 0 /\\ b + d - 2 >= 0 /\\ a + d - 1 >= 0 /\\ c >= 0 /\\ b + c - 2 >= 0 /\\ a + c - 1 >= 0 /\\ b - 2 >= 0 /\\ a + b - 3 >= 0 /\\ -a + b - 1 >= 0 /\\ a - 1 >= 0 /\\ a >= c + 1 ]", 0-2) = a
	S("evalfbbin(a, b, c, d) -> evalfbb1in(a, b, c, d) [ b - d - 1 >= 0 /\\ d >= 0 /\\ c + d >= 0 /\\ b + d - 2 >= 0 /\\ a + d - 1 >= 0 /\\ c >= 0 /\\ b + c - 2 >= 0 /\\ a + c - 1 >= 0 /\\ b - 2 >= 0 /\\ a + b - 3 >= 0 /\\ -a + b - 1 >= 0 /\\ a - 1 >= 0 /\\ a >= c + 1 ]", 0-3) = b
	S("evalfbbin(a, b, c, d) -> evalfbb2in(a, b, c, d) [ b - d - 1 >= 0 /\\ d >= 0 /\\ c + d >= 0 /\\ b + d - 2 >= 0 /\\ a + d - 1 >= 0 /\\ c >= 0 /\\ b + c - 2 >= 0 /\\ a + c - 1 >= 0 /\\ b - 2 >= 0 /\\ a + b - 3 >= 0 /\\ -a + b - 1 >= 0 /\\ a - 1 >= 0 /\\ c >= a ]", 0-0) = a
	S("evalfbbin(a, b, c, d) -> evalfbb2in(a, b, c, d) [ b - d - 1 >= 0 /\\ d >= 0 /\\ c + d >= 0 /\\ b + d - 2 >= 0 /\\ a + d - 1 >= 0 /\\ c >= 0 /\\ b + c - 2 >= 0 /\\ a + c - 1 >= 0 /\\ b - 2 >= 0 /\\ a + b - 3 >= 0 /\\ -a + b - 1 >= 0 /\\ a - 1 >= 0 /\\ c >= a ]", 0-1) = b
	S("evalfbbin(a, b, c, d) -> evalfbb2in(a, b, c, d) [ b - d - 1 >= 0 /\\ d >= 0 /\\ c + d >= 0 /\\ b + d - 2 >= 0 /\\ a + d - 1 >= 0 /\\ c >= 0 /\\ b + c - 2 >= 0 /\\ a + c - 1 >= 0 /\\ b - 2 >= 0 /\\ a + b - 3 >= 0 /\\ -a + b - 1 >= 0 /\\ a - 1 >= 0 /\\ c >= a ]", 0-2) = a
	S("evalfbbin(a, b, c, d) -> evalfbb2in(a, b, c, d) [ b - d - 1 >= 0 /\\ d >= 0 /\\ c + d >= 0 /\\ b + d - 2 >= 0 /\\ a + d - 1 >= 0 /\\ c >= 0 /\\ b + c - 2 >= 0 /\\ a + c - 1 >= 0 /\\ b - 2 >= 0 /\\ a + b - 3 >= 0 /\\ -a + b - 1 >= 0 /\\ a - 1 >= 0 /\\ c >= a ]", 0-3) = b
	S("evalfbb1in(a, b, c, d) -> evalfbb3in(a, b, c + 1, d) [ b - d - 1 >= 0 /\\ d >= 0 /\\ c + d >= 0 /\\ b + d - 2 >= 0 /\\ a + d - 1 >= 0 /\\ b - c - 2 >= 0 /\\ a - c - 1 >= 0 /\\ c >= 0 /\\ b + c - 2 >= 0 /\\ a + c - 1 >= 0 /\\ b - 2 >= 0 /\\ a + b - 3 >= 0 /\\ -a + b - 1 >= 0 /\\ a - 1 >= 0 ]", 0-0) = a
	S("evalfbb1in(a, b, c, d) -> evalfbb3in(a, b, c + 1, d) [ b - d - 1 >= 0 /\\ d >= 0 /\\ c + d >= 0 /\\ b + d - 2 >= 0 /\\ a + d - 1 >= 0 /\\ b - c - 2 >= 0 /\\ a - c - 1 >= 0 /\\ c >= 0 /\\ b + c - 2 >= 0 /\\ a + c - 1 >= 0 /\\ b - 2 >= 0 /\\ a + b - 3 >= 0 /\\ -a + b - 1 >= 0 /\\ a - 1 >= 0 ]", 0-1) = b
	S("evalfbb1in(a, b, c, d) -> evalfbb3in(a, b, c + 1, d) [ b - d - 1 >= 0 /\\ d >= 0 /\\ c + d >= 0 /\\ b + d - 2 >= 0 /\\ a + d - 1 >= 0 /\\ b - c - 2 >= 0 /\\ a - c - 1 >= 0 /\\ c >= 0 /\\ b + c - 2 >= 0 /\\ a + c - 1 >= 0 /\\ b - 2 >= 0 /\\ a + b - 3 >= 0 /\\ -a + b - 1 >= 0 /\\ a - 1 >= 0 ]", 0-2) = a
	S("evalfbb1in(a, b, c, d) -> evalfbb3in(a, b, c + 1, d) [ b - d - 1 >= 0 /\\ d >= 0 /\\ c + d >= 0 /\\ b + d - 2 >= 0 /\\ a + d - 1 >= 0 /\\ b - c - 2 >= 0 /\\ a - c - 1 >= 0 /\\ c >= 0 /\\ b + c - 2 >= 0 /\\ a + c - 1 >= 0 /\\ b - 2 >= 0 /\\ a + b - 3 >= 0 /\\ -a + b - 1 >= 0 /\\ a - 1 >= 0 ]", 0-3) = b
	S("evalfbb2in(a, b, c, d) -> evalfbb3in(a, b, 0, d + 1) [ b - d - 1 >= 0 /\\ d >= 0 /\\ c + d - 1 >= 0 /\\ b + d - 2 >= 0 /\\ a + d - 1 >= 0 /\\ c - 1 >= 0 /\\ b + c - 3 >= 0 /\\ a + c - 2 >= 0 /\\ -a + c >= 0 /\\ b - 2 >= 0 /\\ a + b - 3 >= 0 /\\ -a + b - 1 >= 0 /\\ a - 1 >= 0 ]", 0-0) = a
	S("evalfbb2in(a, b, c, d) -> evalfbb3in(a, b, 0, d + 1) [ b - d - 1 >= 0 /\\ d >= 0 /\\ c + d - 1 >= 0 /\\ b + d - 2 >= 0 /\\ a + d - 1 >= 0 /\\ c - 1 >= 0 /\\ b + c - 3 >= 0 /\\ a + c - 2 >= 0 /\\ -a + c >= 0 /\\ b - 2 >= 0 /\\ a + b - 3 >= 0 /\\ -a + b - 1 >= 0 /\\ a - 1 >= 0 ]", 0-1) = b
	S("evalfbb2in(a, b, c, d) -> evalfbb3in(a, b, 0, d + 1) [ b - d - 1 >= 0 /\\ d >= 0 /\\ c + d - 1 >= 0 /\\ b + d - 2 >= 0 /\\ a + d - 1 >= 0 /\\ c - 1 >= 0 /\\ b + c - 3 >= 0 /\\ a + c - 2 >= 0 /\\ -a + c >= 0 /\\ b - 2 >= 0 /\\ a + b - 3 >= 0 /\\ -a + b - 1 >= 0 /\\ a - 1 >= 0 ]", 0-2) = 0
	S("evalfbb2in(a, b, c, d) -> evalfbb3in(a, b, 0, d + 1) [ b - d - 1 >= 0 /\\ d >= 0 /\\ c + d - 1 >= 0 /\\ b + d - 2 >= 0 /\\ a + d - 1 >= 0 /\\ c - 1 >= 0 /\\ b + c - 3 >= 0 /\\ a + c - 2 >= 0 /\\ -a + c >= 0 /\\ b - 2 >= 0 /\\ a + b - 3 >= 0 /\\ -a + b - 1 >= 0 /\\ a - 1 >= 0 ]", 0-3) = b
orients the transitions
	evalfbbin(a, b, c, d) -> evalfbb1in(a, b, c, d) [ b - d - 1 >= 0 /\ d >= 0 /\ c + d >= 0 /\ b + d - 2 >= 0 /\ a + d - 1 >= 0 /\ c >= 0 /\ b + c - 2 >= 0 /\ a + c - 1 >= 0 /\ b - 2 >= 0 /\ a + b - 3 >= 0 /\ -a + b - 1 >= 0 /\ a - 1 >= 0 /\ a >= c + 1 ]
	evalfbb4in(a, b, c, d) -> evalfbbin(a, b, c, d) [ b - d - 1 >= 0 /\ d >= 0 /\ c + d >= 0 /\ b + d - 2 >= 0 /\ a + d - 1 >= 0 /\ c >= 0 /\ b + c - 2 >= 0 /\ a + c - 1 >= 0 /\ b - 2 >= 0 /\ a + b - 3 >= 0 /\ -a + b - 1 >= 0 /\ a - 1 >= 0 /\ e >= 1 ]
	evalfbb4in(a, b, c, d) -> evalfbbin(a, b, c, d) [ b - d - 1 >= 0 /\ d >= 0 /\ c + d >= 0 /\ b + d - 2 >= 0 /\ a + d - 1 >= 0 /\ c >= 0 /\ b + c - 2 >= 0 /\ a + c - 1 >= 0 /\ b - 2 >= 0 /\ a + b - 3 >= 0 /\ -a + b - 1 >= 0 /\ a - 1 >= 0 /\ 0 >= e + 1 ]
	evalfbb3in(a, b, c, d) -> evalfbb4in(a, b, c, d) [ d >= 0 /\ c + d >= 0 /\ b + d - 2 >= 0 /\ a + d - 1 >= 0 /\ c >= 0 /\ b + c - 2 >= 0 /\ a + c - 1 >= 0 /\ b - 2 >= 0 /\ a + b - 3 >= 0 /\ -a + b - 1 >= 0 /\ a - 1 >= 0 /\ b >= d + 1 ]
	evalfbb1in(a, b, c, d) -> evalfbb3in(a, b, c + 1, d) [ b - d - 1 >= 0 /\ d >= 0 /\ c + d >= 0 /\ b + d - 2 >= 0 /\ a + d - 1 >= 0 /\ b - c - 2 >= 0 /\ a - c - 1 >= 0 /\ c >= 0 /\ b + c - 2 >= 0 /\ a + c - 1 >= 0 /\ b - 2 >= 0 /\ a + b - 3 >= 0 /\ -a + b - 1 >= 0 /\ a - 1 >= 0 ]
weakly and the transitions
	evalfbbin(a, b, c, d) -> evalfbb1in(a, b, c, d) [ b - d - 1 >= 0 /\ d >= 0 /\ c + d >= 0 /\ b + d - 2 >= 0 /\ a + d - 1 >= 0 /\ c >= 0 /\ b + c - 2 >= 0 /\ a + c - 1 >= 0 /\ b - 2 >= 0 /\ a + b - 3 >= 0 /\ -a + b - 1 >= 0 /\ a - 1 >= 0 /\ a >= c + 1 ]
	evalfbb1in(a, b, c, d) -> evalfbb3in(a, b, c + 1, d) [ b - d - 1 >= 0 /\ d >= 0 /\ c + d >= 0 /\ b + d - 2 >= 0 /\ a + d - 1 >= 0 /\ b - c - 2 >= 0 /\ a - c - 1 >= 0 /\ c >= 0 /\ b + c - 2 >= 0 /\ a + c - 1 >= 0 /\ b - 2 >= 0 /\ a + b - 3 >= 0 /\ -a + b - 1 >= 0 /\ a - 1 >= 0 ]
strictly and produces the following problem:
7:	T:
		(2*a + 4*b + 13, 1)                         evalfbb2in(a, b, c, d) -> evalfbb3in(a, b, 0, d + 1) [ b - d - 1 >= 0 /\ d >= 0 /\ c + d - 1 >= 0 /\ b + d - 2 >= 0 /\ a + d - 1 >= 0 /\ c - 1 >= 0 /\ b + c - 3 >= 0 /\ a + c - 2 >= 0 /\ -a + c >= 0 /\ b - 2 >= 0 /\ a + b - 3 >= 0 /\ -a + b - 1 >= 0 /\ a - 1 >= 0 ]
		(98*a + 10*a^2 + 20*a*b + 56*b + 196, 1)    evalfbb1in(a, b, c, d) -> evalfbb3in(a, b, c + 1, d) [ b - d - 1 >= 0 /\ d >= 0 /\ c + d >= 0 /\ b + d - 2 >= 0 /\ a + d - 1 >= 0 /\ b - c - 2 >= 0 /\ a - c - 1 >= 0 /\ c >= 0 /\ b + c - 2 >= 0 /\ a + c - 1 >= 0 /\ b - 2 >= 0 /\ a + b - 3 >= 0 /\ -a + b - 1 >= 0 /\ a - 1 >= 0 ]
		(2*a + 4*b + 13, 1)                         evalfbbin(a, b, c, d) -> evalfbb2in(a, b, c, d) [ b - d - 1 >= 0 /\ d >= 0 /\ c + d >= 0 /\ b + d - 2 >= 0 /\ a + d - 1 >= 0 /\ c >= 0 /\ b + c - 2 >= 0 /\ a + c - 1 >= 0 /\ b - 2 >= 0 /\ a + b - 3 >= 0 /\ -a + b - 1 >= 0 /\ a - 1 >= 0 /\ c >= a ]
		(98*a + 10*a^2 + 20*a*b + 56*b + 196, 1)    evalfbbin(a, b, c, d) -> evalfbb1in(a, b, c, d) [ b - d - 1 >= 0 /\ d >= 0 /\ c + d >= 0 /\ b + d - 2 >= 0 /\ a + d - 1 >= 0 /\ c >= 0 /\ b + c - 2 >= 0 /\ a + c - 1 >= 0 /\ b - 2 >= 0 /\ a + b - 3 >= 0 /\ -a + b - 1 >= 0 /\ a - 1 >= 0 /\ a >= c + 1 ]
		(?, 1)                                      evalfbb4in(a, b, c, d) -> evalfbbin(a, b, c, d) [ b - d - 1 >= 0 /\ d >= 0 /\ c + d >= 0 /\ b + d - 2 >= 0 /\ a + d - 1 >= 0 /\ c >= 0 /\ b + c - 2 >= 0 /\ a + c - 1 >= 0 /\ b - 2 >= 0 /\ a + b - 3 >= 0 /\ -a + b - 1 >= 0 /\ a - 1 >= 0 /\ e >= 1 ]
		(?, 1)                                      evalfbb4in(a, b, c, d) -> evalfbbin(a, b, c, d) [ b - d - 1 >= 0 /\ d >= 0 /\ c + d >= 0 /\ b + d - 2 >= 0 /\ a + d - 1 >= 0 /\ c >= 0 /\ b + c - 2 >= 0 /\ a + c - 1 >= 0 /\ b - 2 >= 0 /\ a + b - 3 >= 0 /\ -a + b - 1 >= 0 /\ a - 1 >= 0 /\ 0 >= e + 1 ]
		(?, 1)                                      evalfbb3in(a, b, c, d) -> evalfbb4in(a, b, c, d) [ d >= 0 /\ c + d >= 0 /\ b + d - 2 >= 0 /\ a + d - 1 >= 0 /\ c >= 0 /\ b + c - 2 >= 0 /\ a + c - 1 >= 0 /\ b - 2 >= 0 /\ a + b - 3 >= 0 /\ -a + b - 1 >= 0 /\ a - 1 >= 0 /\ b >= d + 1 ]
		(1, 1)                                      evalfentryin(a, b, c, d) -> evalfbb3in(a, b, 0, 0) [ a >= 1 /\ b >= a + 1 ]
		(1, 1)                                      evalfstart(a, b, c, d) -> evalfentryin(a, b, c, d)
	start location:	evalfstart
	leaf cost:	3

Repeatedly propagating knowledge in problem 7 produces the following problem:
8:	T:
		(2*a + 4*b + 13, 1)                          evalfbb2in(a, b, c, d) -> evalfbb3in(a, b, 0, d + 1) [ b - d - 1 >= 0 /\ d >= 0 /\ c + d - 1 >= 0 /\ b + d - 2 >= 0 /\ a + d - 1 >= 0 /\ c - 1 >= 0 /\ b + c - 3 >= 0 /\ a + c - 2 >= 0 /\ -a + c >= 0 /\ b - 2 >= 0 /\ a + b - 3 >= 0 /\ -a + b - 1 >= 0 /\ a - 1 >= 0 ]
		(98*a + 10*a^2 + 20*a*b + 56*b + 196, 1)     evalfbb1in(a, b, c, d) -> evalfbb3in(a, b, c + 1, d) [ b - d - 1 >= 0 /\ d >= 0 /\ c + d >= 0 /\ b + d - 2 >= 0 /\ a + d - 1 >= 0 /\ b - c - 2 >= 0 /\ a - c - 1 >= 0 /\ c >= 0 /\ b + c - 2 >= 0 /\ a + c - 1 >= 0 /\ b - 2 >= 0 /\ a + b - 3 >= 0 /\ -a + b - 1 >= 0 /\ a - 1 >= 0 ]
		(2*a + 4*b + 13, 1)                          evalfbbin(a, b, c, d) -> evalfbb2in(a, b, c, d) [ b - d - 1 >= 0 /\ d >= 0 /\ c + d >= 0 /\ b + d - 2 >= 0 /\ a + d - 1 >= 0 /\ c >= 0 /\ b + c - 2 >= 0 /\ a + c - 1 >= 0 /\ b - 2 >= 0 /\ a + b - 3 >= 0 /\ -a + b - 1 >= 0 /\ a - 1 >= 0 /\ c >= a ]
		(98*a + 10*a^2 + 20*a*b + 56*b + 196, 1)     evalfbbin(a, b, c, d) -> evalfbb1in(a, b, c, d) [ b - d - 1 >= 0 /\ d >= 0 /\ c + d >= 0 /\ b + d - 2 >= 0 /\ a + d - 1 >= 0 /\ c >= 0 /\ b + c - 2 >= 0 /\ a + c - 1 >= 0 /\ b - 2 >= 0 /\ a + b - 3 >= 0 /\ -a + b - 1 >= 0 /\ a - 1 >= 0 /\ a >= c + 1 ]
		(100*a + 10*a^2 + 20*a*b + 60*b + 210, 1)    evalfbb4in(a, b, c, d) -> evalfbbin(a, b, c, d) [ b - d - 1 >= 0 /\ d >= 0 /\ c + d >= 0 /\ b + d - 2 >= 0 /\ a + d - 1 >= 0 /\ c >= 0 /\ b + c - 2 >= 0 /\ a + c - 1 >= 0 /\ b - 2 >= 0 /\ a + b - 3 >= 0 /\ -a + b - 1 >= 0 /\ a - 1 >= 0 /\ e >= 1 ]
		(100*a + 10*a^2 + 20*a*b + 60*b + 210, 1)    evalfbb4in(a, b, c, d) -> evalfbbin(a, b, c, d) [ b - d - 1 >= 0 /\ d >= 0 /\ c + d >= 0 /\ b + d - 2 >= 0 /\ a + d - 1 >= 0 /\ c >= 0 /\ b + c - 2 >= 0 /\ a + c - 1 >= 0 /\ b - 2 >= 0 /\ a + b - 3 >= 0 /\ -a + b - 1 >= 0 /\ a - 1 >= 0 /\ 0 >= e + 1 ]
		(100*a + 10*a^2 + 20*a*b + 60*b + 210, 1)    evalfbb3in(a, b, c, d) -> evalfbb4in(a, b, c, d) [ d >= 0 /\ c + d >= 0 /\ b + d - 2 >= 0 /\ a + d - 1 >= 0 /\ c >= 0 /\ b + c - 2 >= 0 /\ a + c - 1 >= 0 /\ b - 2 >= 0 /\ a + b - 3 >= 0 /\ -a + b - 1 >= 0 /\ a - 1 >= 0 /\ b >= d + 1 ]
		(1, 1)                                       evalfentryin(a, b, c, d) -> evalfbb3in(a, b, 0, 0) [ a >= 1 /\ b >= a + 1 ]
		(1, 1)                                       evalfstart(a, b, c, d) -> evalfentryin(a, b, c, d)
	start location:	evalfstart
	leaf cost:	3

Complexity upper bound 500*a + 300*b + 50*a^2 + 100*a*b + 1053

Time: 0.558 sec (SMT: 0.509 sec)