YES(?, 6*b + 225*a + 30*a*b + 49)

Initial complexity problem:
1:	T:
		(1, 1)    evalspeedpldi3start(a, b, c, d) -> evalspeedpldi3entryin(a, b, c, d)
		(?, 1)    evalspeedpldi3entryin(a, b, c, d) -> evalspeedpldi3returnin(a, b, c, d) [ 0 >= a ]
		(?, 1)    evalspeedpldi3entryin(a, b, c, d) -> evalspeedpldi3returnin(a, b, c, d) [ a >= b ]
		(?, 1)    evalspeedpldi3entryin(a, b, c, d) -> evalspeedpldi3bb5in(a, b, 0, 0) [ a >= 1 /\ b >= a + 1 ]
		(?, 1)    evalspeedpldi3bb5in(a, b, c, d) -> evalspeedpldi3bb2in(a, b, c, d) [ b >= d + 1 ]
		(?, 1)    evalspeedpldi3bb5in(a, b, c, d) -> evalspeedpldi3returnin(a, b, c, d) [ d >= b ]
		(?, 1)    evalspeedpldi3bb2in(a, b, c, d) -> evalspeedpldi3bb3in(a, b, c, d) [ a >= c + 1 ]
		(?, 1)    evalspeedpldi3bb2in(a, b, c, d) -> evalspeedpldi3bb4in(a, b, c, d) [ c >= a ]
		(?, 1)    evalspeedpldi3bb3in(a, b, c, d) -> evalspeedpldi3bb5in(a, b, c + 1, d)
		(?, 1)    evalspeedpldi3bb4in(a, b, c, d) -> evalspeedpldi3bb5in(a, b, 0, d + 1)
		(?, 1)    evalspeedpldi3returnin(a, b, c, d) -> evalspeedpldi3stop(a, b, c, d)
	start location:	evalspeedpldi3start
	leaf cost:	0

Repeatedly removing leaves of the complexity graph in problem 1 produces the following problem:
2:	T:
		(1, 1)    evalspeedpldi3start(a, b, c, d) -> evalspeedpldi3entryin(a, b, c, d)
		(?, 1)    evalspeedpldi3entryin(a, b, c, d) -> evalspeedpldi3bb5in(a, b, 0, 0) [ a >= 1 /\ b >= a + 1 ]
		(?, 1)    evalspeedpldi3bb5in(a, b, c, d) -> evalspeedpldi3bb2in(a, b, c, d) [ b >= d + 1 ]
		(?, 1)    evalspeedpldi3bb2in(a, b, c, d) -> evalspeedpldi3bb3in(a, b, c, d) [ a >= c + 1 ]
		(?, 1)    evalspeedpldi3bb2in(a, b, c, d) -> evalspeedpldi3bb4in(a, b, c, d) [ c >= a ]
		(?, 1)    evalspeedpldi3bb3in(a, b, c, d) -> evalspeedpldi3bb5in(a, b, c + 1, d)
		(?, 1)    evalspeedpldi3bb4in(a, b, c, d) -> evalspeedpldi3bb5in(a, b, 0, d + 1)
	start location:	evalspeedpldi3start
	leaf cost:	4

Repeatedly propagating knowledge in problem 2 produces the following problem:
3:	T:
		(1, 1)    evalspeedpldi3start(a, b, c, d) -> evalspeedpldi3entryin(a, b, c, d)
		(1, 1)    evalspeedpldi3entryin(a, b, c, d) -> evalspeedpldi3bb5in(a, b, 0, 0) [ a >= 1 /\ b >= a + 1 ]
		(?, 1)    evalspeedpldi3bb5in(a, b, c, d) -> evalspeedpldi3bb2in(a, b, c, d) [ b >= d + 1 ]
		(?, 1)    evalspeedpldi3bb2in(a, b, c, d) -> evalspeedpldi3bb3in(a, b, c, d) [ a >= c + 1 ]
		(?, 1)    evalspeedpldi3bb2in(a, b, c, d) -> evalspeedpldi3bb4in(a, b, c, d) [ c >= a ]
		(?, 1)    evalspeedpldi3bb3in(a, b, c, d) -> evalspeedpldi3bb5in(a, b, c + 1, d)
		(?, 1)    evalspeedpldi3bb4in(a, b, c, d) -> evalspeedpldi3bb5in(a, b, 0, d + 1)
	start location:	evalspeedpldi3start
	leaf cost:	4

Applied AI with 'oct' on problem 3 to obtain the following invariants:
  For symbol evalspeedpldi3bb2in: 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 evalspeedpldi3bb3in: 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 evalspeedpldi3bb4in: 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 evalspeedpldi3bb5in: 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)    evalspeedpldi3bb4in(a, b, c, d) -> evalspeedpldi3bb5in(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)    evalspeedpldi3bb3in(a, b, c, d) -> evalspeedpldi3bb5in(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)    evalspeedpldi3bb2in(a, b, c, d) -> evalspeedpldi3bb4in(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)    evalspeedpldi3bb2in(a, b, c, d) -> evalspeedpldi3bb3in(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)    evalspeedpldi3bb5in(a, b, c, d) -> evalspeedpldi3bb2in(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)    evalspeedpldi3entryin(a, b, c, d) -> evalspeedpldi3bb5in(a, b, 0, 0) [ a >= 1 /\ b >= a + 1 ]
		(1, 1)    evalspeedpldi3start(a, b, c, d) -> evalspeedpldi3entryin(a, b, c, d)
	start location:	evalspeedpldi3start
	leaf cost:	4

A polynomial rank function with
	Pol(evalspeedpldi3bb4in) = 2*V_2 - 2*V_4 + 13
	Pol(evalspeedpldi3bb5in) = 2*V_2 - 2*V_4 + 14
	Pol(evalspeedpldi3bb3in) = 2*V_2 - 2*V_4 + 14
	Pol(evalspeedpldi3bb2in) = 2*V_2 - 2*V_4 + 14
	Pol(evalspeedpldi3entryin) = 2*V_2 + 14
	Pol(evalspeedpldi3start) = 2*V_2 + 14
orients all transitions weakly and the transitions
	evalspeedpldi3bb4in(a, b, c, d) -> evalspeedpldi3bb5in(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 ]
	evalspeedpldi3bb2in(a, b, c, d) -> evalspeedpldi3bb4in(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:
		(2*b + 14, 1)    evalspeedpldi3bb4in(a, b, c, d) -> evalspeedpldi3bb5in(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)           evalspeedpldi3bb3in(a, b, c, d) -> evalspeedpldi3bb5in(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*b + 14, 1)    evalspeedpldi3bb2in(a, b, c, d) -> evalspeedpldi3bb4in(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)           evalspeedpldi3bb2in(a, b, c, d) -> evalspeedpldi3bb3in(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)           evalspeedpldi3bb5in(a, b, c, d) -> evalspeedpldi3bb2in(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)           evalspeedpldi3entryin(a, b, c, d) -> evalspeedpldi3bb5in(a, b, 0, 0) [ a >= 1 /\ b >= a + 1 ]
		(1, 1)           evalspeedpldi3start(a, b, c, d) -> evalspeedpldi3entryin(a, b, c, d)
	start location:	evalspeedpldi3start
	leaf cost:	4

A polynomial rank function with
	Pol(evalspeedpldi3bb5in) = 5*V_1 - 5*V_3
	Pol(evalspeedpldi3bb2in) = 5*V_1 - 5*V_3 - 3
	Pol(evalspeedpldi3bb3in) = 5*V_1 - 5*V_3 - 4
and size complexities
	S("evalspeedpldi3start(a, b, c, d) -> evalspeedpldi3entryin(a, b, c, d)", 0-0) = a
	S("evalspeedpldi3start(a, b, c, d) -> evalspeedpldi3entryin(a, b, c, d)", 0-1) = b
	S("evalspeedpldi3start(a, b, c, d) -> evalspeedpldi3entryin(a, b, c, d)", 0-2) = c
	S("evalspeedpldi3start(a, b, c, d) -> evalspeedpldi3entryin(a, b, c, d)", 0-3) = d
	S("evalspeedpldi3entryin(a, b, c, d) -> evalspeedpldi3bb5in(a, b, 0, 0) [ a >= 1 /\\ b >= a + 1 ]", 0-0) = a
	S("evalspeedpldi3entryin(a, b, c, d) -> evalspeedpldi3bb5in(a, b, 0, 0) [ a >= 1 /\\ b >= a + 1 ]", 0-1) = b
	S("evalspeedpldi3entryin(a, b, c, d) -> evalspeedpldi3bb5in(a, b, 0, 0) [ a >= 1 /\\ b >= a + 1 ]", 0-2) = 0
	S("evalspeedpldi3entryin(a, b, c, d) -> evalspeedpldi3bb5in(a, b, 0, 0) [ a >= 1 /\\ b >= a + 1 ]", 0-3) = 0
	S("evalspeedpldi3bb5in(a, b, c, d) -> evalspeedpldi3bb2in(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("evalspeedpldi3bb5in(a, b, c, d) -> evalspeedpldi3bb2in(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("evalspeedpldi3bb5in(a, b, c, d) -> evalspeedpldi3bb2in(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("evalspeedpldi3bb5in(a, b, c, d) -> evalspeedpldi3bb2in(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("evalspeedpldi3bb2in(a, b, c, d) -> evalspeedpldi3bb3in(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("evalspeedpldi3bb2in(a, b, c, d) -> evalspeedpldi3bb3in(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("evalspeedpldi3bb2in(a, b, c, d) -> evalspeedpldi3bb3in(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("evalspeedpldi3bb2in(a, b, c, d) -> evalspeedpldi3bb3in(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("evalspeedpldi3bb2in(a, b, c, d) -> evalspeedpldi3bb4in(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("evalspeedpldi3bb2in(a, b, c, d) -> evalspeedpldi3bb4in(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("evalspeedpldi3bb2in(a, b, c, d) -> evalspeedpldi3bb4in(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("evalspeedpldi3bb2in(a, b, c, d) -> evalspeedpldi3bb4in(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("evalspeedpldi3bb3in(a, b, c, d) -> evalspeedpldi3bb5in(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("evalspeedpldi3bb3in(a, b, c, d) -> evalspeedpldi3bb5in(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("evalspeedpldi3bb3in(a, b, c, d) -> evalspeedpldi3bb5in(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("evalspeedpldi3bb3in(a, b, c, d) -> evalspeedpldi3bb5in(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("evalspeedpldi3bb4in(a, b, c, d) -> evalspeedpldi3bb5in(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("evalspeedpldi3bb4in(a, b, c, d) -> evalspeedpldi3bb5in(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("evalspeedpldi3bb4in(a, b, c, d) -> evalspeedpldi3bb5in(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("evalspeedpldi3bb4in(a, b, c, d) -> evalspeedpldi3bb5in(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
	evalspeedpldi3bb5in(a, b, c, d) -> evalspeedpldi3bb2in(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 ]
	evalspeedpldi3bb3in(a, b, c, d) -> evalspeedpldi3bb5in(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 ]
	evalspeedpldi3bb2in(a, b, c, d) -> evalspeedpldi3bb3in(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 ]
weakly and the transitions
	evalspeedpldi3bb3in(a, b, c, d) -> evalspeedpldi3bb5in(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 ]
	evalspeedpldi3bb2in(a, b, c, d) -> evalspeedpldi3bb3in(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 ]
strictly and produces the following problem:
6:	T:
		(2*b + 14, 1)         evalspeedpldi3bb4in(a, b, c, d) -> evalspeedpldi3bb5in(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 ]
		(75*a + 10*a*b, 1)    evalspeedpldi3bb3in(a, b, c, d) -> evalspeedpldi3bb5in(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*b + 14, 1)         evalspeedpldi3bb2in(a, b, c, d) -> evalspeedpldi3bb4in(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 ]
		(75*a + 10*a*b, 1)    evalspeedpldi3bb2in(a, b, c, d) -> evalspeedpldi3bb3in(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)                evalspeedpldi3bb5in(a, b, c, d) -> evalspeedpldi3bb2in(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)                evalspeedpldi3entryin(a, b, c, d) -> evalspeedpldi3bb5in(a, b, 0, 0) [ a >= 1 /\ b >= a + 1 ]
		(1, 1)                evalspeedpldi3start(a, b, c, d) -> evalspeedpldi3entryin(a, b, c, d)
	start location:	evalspeedpldi3start
	leaf cost:	4

Repeatedly propagating knowledge in problem 6 produces the following problem:
7:	T:
		(2*b + 14, 1)                    evalspeedpldi3bb4in(a, b, c, d) -> evalspeedpldi3bb5in(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 ]
		(75*a + 10*a*b, 1)               evalspeedpldi3bb3in(a, b, c, d) -> evalspeedpldi3bb5in(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*b + 14, 1)                    evalspeedpldi3bb2in(a, b, c, d) -> evalspeedpldi3bb4in(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 ]
		(75*a + 10*a*b, 1)               evalspeedpldi3bb2in(a, b, c, d) -> evalspeedpldi3bb3in(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 ]
		(75*a + 10*a*b + 2*b + 15, 1)    evalspeedpldi3bb5in(a, b, c, d) -> evalspeedpldi3bb2in(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)                           evalspeedpldi3entryin(a, b, c, d) -> evalspeedpldi3bb5in(a, b, 0, 0) [ a >= 1 /\ b >= a + 1 ]
		(1, 1)                           evalspeedpldi3start(a, b, c, d) -> evalspeedpldi3entryin(a, b, c, d)
	start location:	evalspeedpldi3start
	leaf cost:	4

Complexity upper bound 6*b + 225*a + 30*a*b + 49

Time: 0.463 sec (SMT: 0.427 sec)