0.732 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.064 * * * [progress]: [2/2] Setting up program.
0.066 * [progress]: [Phase 2 of 3] Improving.
0.067 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (/ (exp a) (+ (exp a) (exp b)))
0.067 * * [simplify]: iteration  0 :  6  enodes  (cost  8 )
0.068 * * [simplify]: iteration  1 :  7  enodes  (cost  8 )
0.069 * * [simplify]: iteration  done :  7  enodes  (cost  8 )
0.069 * [simplify]: Simplified to:
   (/ (exp a) (+ (exp a) (exp b)))
0.069 * * [progress]: iteration 1 / 4
0.069 * * * [progress]: picking best candidate
0.071 * * * * [pick]: Picked  #<alt (λ (a b) (/ (exp a) (+ (exp a) (exp b))))>
0.071 * * * [progress]: localizing error
0.077 * * * [progress]: generating rewritten candidates
0.077 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
0.086 * * * * [progress]: [ 2 / 2 ] rewriting at (2 2)
0.091 * * * [progress]: generating series expansions
0.091 * * * * [progress]: [ 1 / 2 ] generating series at (2)
0.091 * [approximate]: Taking taylor expansion of (/ (exp a) (+ (exp b) (exp a))) in (a b) around 0
0.091 * [taylor]: Taking taylor expansion of (/ (exp a) (+ (exp b) (exp a))) in b
0.091 * [taylor]: Taking taylor expansion of (exp a) in b
0.092 * [taylor]: Taking taylor expansion of a in b
0.092 * [taylor]: Taking taylor expansion of (+ (exp b) (exp a)) in b
0.092 * [taylor]: Taking taylor expansion of (exp b) in b
0.092 * [taylor]: Taking taylor expansion of b in b
0.092 * [taylor]: Taking taylor expansion of (exp a) in b
0.092 * [taylor]: Taking taylor expansion of a in b
0.092 * [taylor]: Taking taylor expansion of (/ (exp a) (+ (exp b) (exp a))) in a
0.092 * [taylor]: Taking taylor expansion of (exp a) in a
0.092 * [taylor]: Taking taylor expansion of a in a
0.092 * [taylor]: Taking taylor expansion of (+ (exp b) (exp a)) in a
0.092 * [taylor]: Taking taylor expansion of (exp b) in a
0.092 * [taylor]: Taking taylor expansion of b in a
0.092 * [taylor]: Taking taylor expansion of (exp a) in a
0.092 * [taylor]: Taking taylor expansion of a in a
0.092 * [taylor]: Taking taylor expansion of (/ (exp a) (+ (exp b) (exp a))) in a
0.092 * [taylor]: Taking taylor expansion of (exp a) in a
0.092 * [taylor]: Taking taylor expansion of a in a
0.092 * [taylor]: Taking taylor expansion of (+ (exp b) (exp a)) in a
0.092 * [taylor]: Taking taylor expansion of (exp b) in a
0.092 * [taylor]: Taking taylor expansion of b in a
0.092 * [taylor]: Taking taylor expansion of (exp a) in a
0.092 * [taylor]: Taking taylor expansion of a in a
0.092 * [taylor]: Taking taylor expansion of (/ 1 (+ (exp b) 1)) in b
0.092 * [taylor]: Taking taylor expansion of (+ (exp b) 1) in b
0.092 * [taylor]: Taking taylor expansion of (exp b) in b
0.092 * [taylor]: Taking taylor expansion of b in b
0.092 * [taylor]: Taking taylor expansion of 1 in b
0.095 * [taylor]: Taking taylor expansion of (- (/ 1 (+ (exp b) 1)) (/ 1 (pow (+ (exp b) 1) 2))) in b
0.096 * [taylor]: Taking taylor expansion of (/ 1 (+ (exp b) 1)) in b
0.096 * [taylor]: Taking taylor expansion of (+ (exp b) 1) in b
0.096 * [taylor]: Taking taylor expansion of (exp b) in b
0.096 * [taylor]: Taking taylor expansion of b in b
0.096 * [taylor]: Taking taylor expansion of 1 in b
0.096 * [taylor]: Taking taylor expansion of (/ 1 (pow (+ (exp b) 1) 2)) in b
0.096 * [taylor]: Taking taylor expansion of (pow (+ (exp b) 1) 2) in b
0.096 * [taylor]: Taking taylor expansion of (+ (exp b) 1) in b
0.096 * [taylor]: Taking taylor expansion of (exp b) in b
0.096 * [taylor]: Taking taylor expansion of b in b
0.096 * [taylor]: Taking taylor expansion of 1 in b
0.099 * [approximate]: Taking taylor expansion of (/ (exp (/ 1 a)) (+ (exp (/ 1 b)) (exp (/ 1 a)))) in (a b) around 0
0.099 * [taylor]: Taking taylor expansion of (/ (exp (/ 1 a)) (+ (exp (/ 1 b)) (exp (/ 1 a)))) in b
0.099 * [taylor]: Taking taylor expansion of (exp (/ 1 a)) in b
0.099 * [taylor]: Taking taylor expansion of (/ 1 a) in b
0.099 * [taylor]: Taking taylor expansion of a in b
0.099 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 b)) (exp (/ 1 a))) in b
0.099 * [taylor]: Taking taylor expansion of (exp (/ 1 b)) in b
0.099 * [taylor]: Taking taylor expansion of (/ 1 b) in b
0.099 * [taylor]: Taking taylor expansion of b in b
0.099 * [taylor]: Taking taylor expansion of (exp (/ 1 a)) in b
0.099 * [taylor]: Taking taylor expansion of (/ 1 a) in b
0.099 * [taylor]: Taking taylor expansion of a in b
0.100 * [taylor]: Taking taylor expansion of (/ (exp (/ 1 a)) (+ (exp (/ 1 b)) (exp (/ 1 a)))) in a
0.100 * [taylor]: Taking taylor expansion of (exp (/ 1 a)) in a
0.100 * [taylor]: Taking taylor expansion of (/ 1 a) in a
0.100 * [taylor]: Taking taylor expansion of a in a
0.100 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 b)) (exp (/ 1 a))) in a
0.100 * [taylor]: Taking taylor expansion of (exp (/ 1 b)) in a
0.100 * [taylor]: Taking taylor expansion of (/ 1 b) in a
0.100 * [taylor]: Taking taylor expansion of b in a
0.100 * [taylor]: Taking taylor expansion of (exp (/ 1 a)) in a
0.100 * [taylor]: Taking taylor expansion of (/ 1 a) in a
0.100 * [taylor]: Taking taylor expansion of a in a
0.101 * [taylor]: Taking taylor expansion of (/ (exp (/ 1 a)) (+ (exp (/ 1 b)) (exp (/ 1 a)))) in a
0.101 * [taylor]: Taking taylor expansion of (exp (/ 1 a)) in a
0.101 * [taylor]: Taking taylor expansion of (/ 1 a) in a
0.101 * [taylor]: Taking taylor expansion of a in a
0.101 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 b)) (exp (/ 1 a))) in a
0.101 * [taylor]: Taking taylor expansion of (exp (/ 1 b)) in a
0.101 * [taylor]: Taking taylor expansion of (/ 1 b) in a
0.101 * [taylor]: Taking taylor expansion of b in a
0.101 * [taylor]: Taking taylor expansion of (exp (/ 1 a)) in a
0.101 * [taylor]: Taking taylor expansion of (/ 1 a) in a
0.101 * [taylor]: Taking taylor expansion of a in a
0.102 * [taylor]: Taking taylor expansion of (/ (exp (/ 1 a)) (+ (exp (/ 1 b)) (exp (/ 1 a)))) in b
0.102 * [taylor]: Taking taylor expansion of (exp (/ 1 a)) in b
0.102 * [taylor]: Taking taylor expansion of (/ 1 a) in b
0.102 * [taylor]: Taking taylor expansion of a in b
0.102 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 b)) (exp (/ 1 a))) in b
0.102 * [taylor]: Taking taylor expansion of (exp (/ 1 b)) in b
0.102 * [taylor]: Taking taylor expansion of (/ 1 b) in b
0.102 * [taylor]: Taking taylor expansion of b in b
0.102 * [taylor]: Taking taylor expansion of (exp (/ 1 a)) in b
0.102 * [taylor]: Taking taylor expansion of (/ 1 a) in b
0.102 * [taylor]: Taking taylor expansion of a in b
0.104 * [taylor]: Taking taylor expansion of 0 in b
0.107 * [taylor]: Taking taylor expansion of 0 in b
0.111 * [taylor]: Taking taylor expansion of 0 in b
0.111 * [approximate]: Taking taylor expansion of (/ (exp (/ -1 a)) (+ (exp (/ -1 b)) (exp (/ -1 a)))) in (a b) around 0
0.111 * [taylor]: Taking taylor expansion of (/ (exp (/ -1 a)) (+ (exp (/ -1 b)) (exp (/ -1 a)))) in b
0.111 * [taylor]: Taking taylor expansion of (exp (/ -1 a)) in b
0.111 * [taylor]: Taking taylor expansion of (/ -1 a) in b
0.111 * [taylor]: Taking taylor expansion of -1 in b
0.111 * [taylor]: Taking taylor expansion of a in b
0.111 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 b)) (exp (/ -1 a))) in b
0.111 * [taylor]: Taking taylor expansion of (exp (/ -1 b)) in b
0.111 * [taylor]: Taking taylor expansion of (/ -1 b) in b
0.111 * [taylor]: Taking taylor expansion of -1 in b
0.111 * [taylor]: Taking taylor expansion of b in b
0.112 * [taylor]: Taking taylor expansion of (exp (/ -1 a)) in b
0.112 * [taylor]: Taking taylor expansion of (/ -1 a) in b
0.112 * [taylor]: Taking taylor expansion of -1 in b
0.112 * [taylor]: Taking taylor expansion of a in b
0.112 * [taylor]: Taking taylor expansion of (/ (exp (/ -1 a)) (+ (exp (/ -1 b)) (exp (/ -1 a)))) in a
0.112 * [taylor]: Taking taylor expansion of (exp (/ -1 a)) in a
0.112 * [taylor]: Taking taylor expansion of (/ -1 a) in a
0.112 * [taylor]: Taking taylor expansion of -1 in a
0.112 * [taylor]: Taking taylor expansion of a in a
0.112 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 b)) (exp (/ -1 a))) in a
0.112 * [taylor]: Taking taylor expansion of (exp (/ -1 b)) in a
0.112 * [taylor]: Taking taylor expansion of (/ -1 b) in a
0.112 * [taylor]: Taking taylor expansion of -1 in a
0.112 * [taylor]: Taking taylor expansion of b in a
0.112 * [taylor]: Taking taylor expansion of (exp (/ -1 a)) in a
0.112 * [taylor]: Taking taylor expansion of (/ -1 a) in a
0.112 * [taylor]: Taking taylor expansion of -1 in a
0.112 * [taylor]: Taking taylor expansion of a in a
0.113 * [taylor]: Taking taylor expansion of (/ (exp (/ -1 a)) (+ (exp (/ -1 b)) (exp (/ -1 a)))) in a
0.113 * [taylor]: Taking taylor expansion of (exp (/ -1 a)) in a
0.113 * [taylor]: Taking taylor expansion of (/ -1 a) in a
0.113 * [taylor]: Taking taylor expansion of -1 in a
0.113 * [taylor]: Taking taylor expansion of a in a
0.113 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 b)) (exp (/ -1 a))) in a
0.113 * [taylor]: Taking taylor expansion of (exp (/ -1 b)) in a
0.113 * [taylor]: Taking taylor expansion of (/ -1 b) in a
0.113 * [taylor]: Taking taylor expansion of -1 in a
0.113 * [taylor]: Taking taylor expansion of b in a
0.113 * [taylor]: Taking taylor expansion of (exp (/ -1 a)) in a
0.113 * [taylor]: Taking taylor expansion of (/ -1 a) in a
0.113 * [taylor]: Taking taylor expansion of -1 in a
0.114 * [taylor]: Taking taylor expansion of a in a
0.114 * [taylor]: Taking taylor expansion of (/ (exp (/ -1 a)) (+ (exp (/ -1 b)) (exp (/ -1 a)))) in b
0.114 * [taylor]: Taking taylor expansion of (exp (/ -1 a)) in b
0.114 * [taylor]: Taking taylor expansion of (/ -1 a) in b
0.114 * [taylor]: Taking taylor expansion of -1 in b
0.114 * [taylor]: Taking taylor expansion of a in b
0.114 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 b)) (exp (/ -1 a))) in b
0.114 * [taylor]: Taking taylor expansion of (exp (/ -1 b)) in b
0.114 * [taylor]: Taking taylor expansion of (/ -1 b) in b
0.114 * [taylor]: Taking taylor expansion of -1 in b
0.114 * [taylor]: Taking taylor expansion of b in b
0.115 * [taylor]: Taking taylor expansion of (exp (/ -1 a)) in b
0.115 * [taylor]: Taking taylor expansion of (/ -1 a) in b
0.115 * [taylor]: Taking taylor expansion of -1 in b
0.115 * [taylor]: Taking taylor expansion of a in b
0.116 * [taylor]: Taking taylor expansion of 0 in b
0.119 * [taylor]: Taking taylor expansion of 0 in b
0.123 * [taylor]: Taking taylor expansion of 0 in b
0.123 * * * * [progress]: [ 2 / 2 ] generating series at (2 2)
0.123 * [approximate]: Taking taylor expansion of (+ (exp b) (exp a)) in (a b) around 0
0.123 * [taylor]: Taking taylor expansion of (+ (exp b) (exp a)) in b
0.124 * [taylor]: Taking taylor expansion of (exp b) in b
0.124 * [taylor]: Taking taylor expansion of b in b
0.124 * [taylor]: Taking taylor expansion of (exp a) in b
0.124 * [taylor]: Taking taylor expansion of a in b
0.124 * [taylor]: Taking taylor expansion of (+ (exp b) (exp a)) in a
0.124 * [taylor]: Taking taylor expansion of (exp b) in a
0.124 * [taylor]: Taking taylor expansion of b in a
0.124 * [taylor]: Taking taylor expansion of (exp a) in a
0.124 * [taylor]: Taking taylor expansion of a in a
0.124 * [taylor]: Taking taylor expansion of (+ (exp b) (exp a)) in a
0.124 * [taylor]: Taking taylor expansion of (exp b) in a
0.124 * [taylor]: Taking taylor expansion of b in a
0.124 * [taylor]: Taking taylor expansion of (exp a) in a
0.124 * [taylor]: Taking taylor expansion of a in a
0.124 * [taylor]: Taking taylor expansion of (+ (exp b) 1) in b
0.124 * [taylor]: Taking taylor expansion of (exp b) in b
0.124 * [taylor]: Taking taylor expansion of b in b
0.124 * [taylor]: Taking taylor expansion of 1 in b
0.126 * [taylor]: Taking taylor expansion of 1 in b
0.127 * [approximate]: Taking taylor expansion of (+ (exp (/ 1 b)) (exp (/ 1 a))) in (a b) around 0
0.127 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 b)) (exp (/ 1 a))) in b
0.127 * [taylor]: Taking taylor expansion of (exp (/ 1 b)) in b
0.127 * [taylor]: Taking taylor expansion of (/ 1 b) in b
0.127 * [taylor]: Taking taylor expansion of b in b
0.127 * [taylor]: Taking taylor expansion of (exp (/ 1 a)) in b
0.127 * [taylor]: Taking taylor expansion of (/ 1 a) in b
0.127 * [taylor]: Taking taylor expansion of a in b
0.127 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 b)) (exp (/ 1 a))) in a
0.127 * [taylor]: Taking taylor expansion of (exp (/ 1 b)) in a
0.127 * [taylor]: Taking taylor expansion of (/ 1 b) in a
0.127 * [taylor]: Taking taylor expansion of b in a
0.127 * [taylor]: Taking taylor expansion of (exp (/ 1 a)) in a
0.127 * [taylor]: Taking taylor expansion of (/ 1 a) in a
0.127 * [taylor]: Taking taylor expansion of a in a
0.128 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 b)) (exp (/ 1 a))) in a
0.128 * [taylor]: Taking taylor expansion of (exp (/ 1 b)) in a
0.128 * [taylor]: Taking taylor expansion of (/ 1 b) in a
0.128 * [taylor]: Taking taylor expansion of b in a
0.128 * [taylor]: Taking taylor expansion of (exp (/ 1 a)) in a
0.128 * [taylor]: Taking taylor expansion of (/ 1 a) in a
0.128 * [taylor]: Taking taylor expansion of a in a
0.128 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 b)) (exp (/ 1 a))) in b
0.128 * [taylor]: Taking taylor expansion of (exp (/ 1 b)) in b
0.128 * [taylor]: Taking taylor expansion of (/ 1 b) in b
0.128 * [taylor]: Taking taylor expansion of b in b
0.129 * [taylor]: Taking taylor expansion of (exp (/ 1 a)) in b
0.129 * [taylor]: Taking taylor expansion of (/ 1 a) in b
0.129 * [taylor]: Taking taylor expansion of a in b
0.130 * [taylor]: Taking taylor expansion of 0 in b
0.131 * [taylor]: Taking taylor expansion of 0 in b
0.134 * [taylor]: Taking taylor expansion of 0 in b
0.134 * [approximate]: Taking taylor expansion of (+ (exp (/ -1 b)) (exp (/ -1 a))) in (a b) around 0
0.134 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 b)) (exp (/ -1 a))) in b
0.134 * [taylor]: Taking taylor expansion of (exp (/ -1 b)) in b
0.134 * [taylor]: Taking taylor expansion of (/ -1 b) in b
0.134 * [taylor]: Taking taylor expansion of -1 in b
0.134 * [taylor]: Taking taylor expansion of b in b
0.134 * [taylor]: Taking taylor expansion of (exp (/ -1 a)) in b
0.134 * [taylor]: Taking taylor expansion of (/ -1 a) in b
0.134 * [taylor]: Taking taylor expansion of -1 in b
0.135 * [taylor]: Taking taylor expansion of a in b
0.135 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 b)) (exp (/ -1 a))) in a
0.135 * [taylor]: Taking taylor expansion of (exp (/ -1 b)) in a
0.135 * [taylor]: Taking taylor expansion of (/ -1 b) in a
0.135 * [taylor]: Taking taylor expansion of -1 in a
0.135 * [taylor]: Taking taylor expansion of b in a
0.135 * [taylor]: Taking taylor expansion of (exp (/ -1 a)) in a
0.135 * [taylor]: Taking taylor expansion of (/ -1 a) in a
0.135 * [taylor]: Taking taylor expansion of -1 in a
0.135 * [taylor]: Taking taylor expansion of a in a
0.135 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 b)) (exp (/ -1 a))) in a
0.135 * [taylor]: Taking taylor expansion of (exp (/ -1 b)) in a
0.135 * [taylor]: Taking taylor expansion of (/ -1 b) in a
0.135 * [taylor]: Taking taylor expansion of -1 in a
0.135 * [taylor]: Taking taylor expansion of b in a
0.135 * [taylor]: Taking taylor expansion of (exp (/ -1 a)) in a
0.135 * [taylor]: Taking taylor expansion of (/ -1 a) in a
0.135 * [taylor]: Taking taylor expansion of -1 in a
0.135 * [taylor]: Taking taylor expansion of a in a
0.136 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 b)) (exp (/ -1 a))) in b
0.136 * [taylor]: Taking taylor expansion of (exp (/ -1 b)) in b
0.136 * [taylor]: Taking taylor expansion of (/ -1 b) in b
0.136 * [taylor]: Taking taylor expansion of -1 in b
0.136 * [taylor]: Taking taylor expansion of b in b
0.136 * [taylor]: Taking taylor expansion of (exp (/ -1 a)) in b
0.136 * [taylor]: Taking taylor expansion of (/ -1 a) in b
0.136 * [taylor]: Taking taylor expansion of -1 in b
0.136 * [taylor]: Taking taylor expansion of a in b
0.137 * [taylor]: Taking taylor expansion of 0 in b
0.139 * [taylor]: Taking taylor expansion of 0 in b
0.146 * [taylor]: Taking taylor expansion of 0 in b
0.146 * * * [progress]: simplifying candidates
0.147 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (expm1 (/ (exp a) (+ (exp a) (exp b))))
  (log1p (/ (exp a) (+ (exp a) (exp b))))
  (- a (log (+ (exp a) (exp b))))
  (log (/ (exp a) (+ (exp a) (exp b))))
  (exp (/ (exp a) (+ (exp a) (exp b))))
  (/ (* (* (exp a) (exp a)) (exp a)) (* (* (+ (exp a) (exp b)) (+ (exp a) (exp b))) (+ (exp a) (exp b))))
  (* (cbrt (/ (exp a) (+ (exp a) (exp b)))) (cbrt (/ (exp a) (+ (exp a) (exp b)))))
  (cbrt (/ (exp a) (+ (exp a) (exp b))))
  (* (* (/ (exp a) (+ (exp a) (exp b))) (/ (exp a) (+ (exp a) (exp b)))) (/ (exp a) (+ (exp a) (exp b))))
  (sqrt (/ (exp a) (+ (exp a) (exp b))))
  (sqrt (/ (exp a) (+ (exp a) (exp b))))
  (- (exp a))
  (- (+ (exp a) (exp b)))
  (/ (* (cbrt (exp a)) (cbrt (exp a))) (* (cbrt (+ (exp a) (exp b))) (cbrt (+ (exp a) (exp b)))))
  (/ (cbrt (exp a)) (cbrt (+ (exp a) (exp b))))
  (/ (* (cbrt (exp a)) (cbrt (exp a))) (sqrt (+ (exp a) (exp b))))
  (/ (cbrt (exp a)) (sqrt (+ (exp a) (exp b))))
  (/ (* (cbrt (exp a)) (cbrt (exp a))) 1)
  (/ (cbrt (exp a)) (+ (exp a) (exp b)))
  (/ (* (cbrt (exp a)) (cbrt (exp a))) 1)
  (/ (cbrt (exp a)) (+ (exp a) (exp b)))
  (/ (sqrt (exp a)) (* (cbrt (+ (exp a) (exp b))) (cbrt (+ (exp a) (exp b)))))
  (/ (sqrt (exp a)) (cbrt (+ (exp a) (exp b))))
  (/ (sqrt (exp a)) (sqrt (+ (exp a) (exp b))))
  (/ (sqrt (exp a)) (sqrt (+ (exp a) (exp b))))
  (/ (sqrt (exp a)) 1)
  (/ (sqrt (exp a)) (+ (exp a) (exp b)))
  (/ (sqrt (exp a)) 1)
  (/ (sqrt (exp a)) (+ (exp a) (exp b)))
  (/ 1 (* (cbrt (+ (exp a) (exp b))) (cbrt (+ (exp a) (exp b)))))
  (/ (exp a) (cbrt (+ (exp a) (exp b))))
  (/ 1 (sqrt (+ (exp a) (exp b))))
  (/ (exp a) (sqrt (+ (exp a) (exp b))))
  (/ 1 1)
  (/ (exp a) (+ (exp a) (exp b)))
  (/ 1 1)
  (/ (exp a) (+ (exp a) (exp b)))
  (/ 1 (+ (exp a) (exp b)))
  (/ (+ (exp a) (exp b)) (exp a))
  (/ (exp a) (* (cbrt (+ (exp a) (exp b))) (cbrt (+ (exp a) (exp b)))))
  (/ (exp a) (sqrt (+ (exp a) (exp b))))
  (/ (exp a) 1)
  (/ (exp a) 1)
  (/ (+ (exp a) (exp b)) (cbrt (exp a)))
  (/ (+ (exp a) (exp b)) (sqrt (exp a)))
  (/ (+ (exp a) (exp b)) (exp a))
  (/ (exp a) (+ (pow (exp a) 3) (pow (exp b) 3)))
  (/ (exp a) (- (* (exp a) (exp a)) (* (exp b) (exp b))))
  (expm1 (+ (exp a) (exp b)))
  (log1p (+ (exp a) (exp b)))
  (* (exp (exp a)) (exp (exp b)))
  (log (+ (exp a) (exp b)))
  (exp (+ (exp a) (exp b)))
  (* (cbrt (+ (exp a) (exp b))) (cbrt (+ (exp a) (exp b))))
  (cbrt (+ (exp a) (exp b)))
  (* (* (+ (exp a) (exp b)) (+ (exp a) (exp b))) (+ (exp a) (exp b)))
  (sqrt (+ (exp a) (exp b)))
  (sqrt (+ (exp a) (exp b)))
  (+ (pow (exp a) 3) (pow (exp b) 3))
  (+ (* (exp a) (exp a)) (- (* (exp b) (exp b)) (* (exp a) (exp b))))
  (- (* (exp a) (exp a)) (* (exp b) (exp b)))
  (- (exp a) (exp b))
  (+ (exp a) (exp b))
  (- (+ (* 1/4 a) 1/2) (* 1/4 b))
  (/ (exp a) (+ (exp b) (exp a)))
  (/ (exp a) (+ (exp b) (exp a)))
  (+ a (+ b 2))
  (+ (exp b) (exp a))
  (+ (exp b) (exp a))
0.149 * * [simplify]: iteration  0 :  82  enodes  (cost  646 )
0.161 * * [simplify]: iteration  1 :  183  enodes  (cost  616 )