19.922 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.034 * * * [progress]: [2/2] Setting up program.
0.036 * [progress]: [Phase 2 of 3] Improving.
0.036 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0)
0.038 * * [simplify]: iteration  0 :  15  enodes  (cost  5 )
0.039 * * [simplify]: iteration  1 :  22  enodes  (cost  5 )
0.041 * * [simplify]: iteration  2 :  30  enodes  (cost  5 )
0.042 * * [simplify]: iteration  3 :  52  enodes  (cost  5 )
0.043 * * [simplify]: iteration  4 :  114  enodes  (cost  5 )
0.046 * * [simplify]: iteration  5 :  322  enodes  (cost  5 )
0.053 * * [simplify]: iteration  6 :  1627  enodes  (cost  5 )
0.095 * * [simplify]: iteration  7 :  5002  enodes  (cost  5 )
0.095 * [simplify]: Simplified to:
   (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0)
0.096 * * [progress]: iteration 1 / 4
0.096 * * * [progress]: picking best candidate
0.097 * * * * [pick]: Picked  #<alt (λ (x y) (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0))>
0.097 * * * [progress]: localizing error
0.104 * * * [progress]: generating rewritten candidates
0.104 * * * * [progress]: [ 1 / 3 ] rewriting at (2)
0.114 * * * * [progress]: [ 2 / 3 ] rewriting at (2 1 2)
0.117 * * * * [progress]: [ 3 / 3 ] rewriting at (2 1)
0.124 * * * [progress]: generating series expansions
0.124 * * * * [progress]: [ 1 / 3 ] generating series at (2)
0.124 * [approximate]: Taking taylor expansion of (- (* 2.0 (/ 1 (+ (exp (* -2.0 x)) 1.0))) 1.0) in (x) around 0
0.124 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (+ (exp (* -2.0 x)) 1.0))) 1.0) in x
0.124 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (+ (exp (* -2.0 x)) 1.0))) in x
0.124 * [taylor]: Taking taylor expansion of 2.0 in x
0.124 * [taylor]: Taking taylor expansion of (/ 1 (+ (exp (* -2.0 x)) 1.0)) in x
0.124 * [taylor]: Taking taylor expansion of (+ (exp (* -2.0 x)) 1.0) in x
0.124 * [taylor]: Taking taylor expansion of (exp (* -2.0 x)) in x
0.124 * [taylor]: Taking taylor expansion of (* -2.0 x) in x
0.124 * [taylor]: Taking taylor expansion of -2.0 in x
0.124 * [taylor]: Taking taylor expansion of x in x
0.126 * [taylor]: Taking taylor expansion of 1.0 in x
0.126 * [taylor]: Taking taylor expansion of 1.0 in x
0.126 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (+ (exp (* -2.0 x)) 1.0))) 1.0) in x
0.126 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (+ (exp (* -2.0 x)) 1.0))) in x
0.126 * [taylor]: Taking taylor expansion of 2.0 in x
0.126 * [taylor]: Taking taylor expansion of (/ 1 (+ (exp (* -2.0 x)) 1.0)) in x
0.126 * [taylor]: Taking taylor expansion of (+ (exp (* -2.0 x)) 1.0) in x
0.126 * [taylor]: Taking taylor expansion of (exp (* -2.0 x)) in x
0.126 * [taylor]: Taking taylor expansion of (* -2.0 x) in x
0.126 * [taylor]: Taking taylor expansion of -2.0 in x
0.126 * [taylor]: Taking taylor expansion of x in x
0.128 * [taylor]: Taking taylor expansion of 1.0 in x
0.128 * [taylor]: Taking taylor expansion of 1.0 in x
0.179 * [approximate]: Taking taylor expansion of (- (* 2.0 (/ 1 (+ (exp (/ -2.0 x)) 1.0))) 1.0) in (x) around 0
0.179 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (+ (exp (/ -2.0 x)) 1.0))) 1.0) in x
0.179 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (+ (exp (/ -2.0 x)) 1.0))) in x
0.179 * [taylor]: Taking taylor expansion of 2.0 in x
0.179 * [taylor]: Taking taylor expansion of (/ 1 (+ (exp (/ -2.0 x)) 1.0)) in x
0.179 * [taylor]: Taking taylor expansion of (+ (exp (/ -2.0 x)) 1.0) in x
0.179 * [taylor]: Taking taylor expansion of (exp (/ -2.0 x)) in x
0.179 * [taylor]: Taking taylor expansion of (/ -2.0 x) in x
0.179 * [taylor]: Taking taylor expansion of -2.0 in x
0.179 * [taylor]: Taking taylor expansion of x in x
0.179 * [taylor]: Taking taylor expansion of 1.0 in x
0.179 * [taylor]: Taking taylor expansion of 1.0 in x
0.179 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (+ (exp (/ -2.0 x)) 1.0))) 1.0) in x
0.179 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (+ (exp (/ -2.0 x)) 1.0))) in x
0.179 * [taylor]: Taking taylor expansion of 2.0 in x
0.179 * [taylor]: Taking taylor expansion of (/ 1 (+ (exp (/ -2.0 x)) 1.0)) in x
0.179 * [taylor]: Taking taylor expansion of (+ (exp (/ -2.0 x)) 1.0) in x
0.179 * [taylor]: Taking taylor expansion of (exp (/ -2.0 x)) in x
0.180 * [taylor]: Taking taylor expansion of (/ -2.0 x) in x
0.180 * [taylor]: Taking taylor expansion of -2.0 in x
0.180 * [taylor]: Taking taylor expansion of x in x
0.180 * [taylor]: Taking taylor expansion of 1.0 in x
0.180 * [taylor]: Taking taylor expansion of 1.0 in x
0.192 * [approximate]: Taking taylor expansion of (- (* 2.0 (/ 1 (+ (exp (/ 2.0 x)) 1.0))) 1.0) in (x) around 0
0.192 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (+ (exp (/ 2.0 x)) 1.0))) 1.0) in x
0.192 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (+ (exp (/ 2.0 x)) 1.0))) in x
0.192 * [taylor]: Taking taylor expansion of 2.0 in x
0.192 * [taylor]: Taking taylor expansion of (/ 1 (+ (exp (/ 2.0 x)) 1.0)) in x
0.192 * [taylor]: Taking taylor expansion of (+ (exp (/ 2.0 x)) 1.0) in x
0.192 * [taylor]: Taking taylor expansion of (exp (/ 2.0 x)) in x
0.193 * [taylor]: Taking taylor expansion of (/ 2.0 x) in x
0.193 * [taylor]: Taking taylor expansion of 2.0 in x
0.193 * [taylor]: Taking taylor expansion of x in x
0.193 * [taylor]: Taking taylor expansion of 1.0 in x
0.193 * [taylor]: Taking taylor expansion of 1.0 in x
0.193 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (+ (exp (/ 2.0 x)) 1.0))) 1.0) in x
0.193 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (+ (exp (/ 2.0 x)) 1.0))) in x
0.193 * [taylor]: Taking taylor expansion of 2.0 in x
0.193 * [taylor]: Taking taylor expansion of (/ 1 (+ (exp (/ 2.0 x)) 1.0)) in x
0.193 * [taylor]: Taking taylor expansion of (+ (exp (/ 2.0 x)) 1.0) in x
0.193 * [taylor]: Taking taylor expansion of (exp (/ 2.0 x)) in x
0.193 * [taylor]: Taking taylor expansion of (/ 2.0 x) in x
0.193 * [taylor]: Taking taylor expansion of 2.0 in x
0.193 * [taylor]: Taking taylor expansion of x in x
0.194 * [taylor]: Taking taylor expansion of 1.0 in x
0.194 * [taylor]: Taking taylor expansion of 1.0 in x
0.206 * * * * [progress]: [ 2 / 3 ] generating series at (2 1 2)
0.206 * [approximate]: Taking taylor expansion of (+ (exp (* -2.0 x)) 1.0) in (x) around 0
0.206 * [taylor]: Taking taylor expansion of (+ (exp (* -2.0 x)) 1.0) in x
0.206 * [taylor]: Taking taylor expansion of (exp (* -2.0 x)) in x
0.206 * [taylor]: Taking taylor expansion of (* -2.0 x) in x
0.206 * [taylor]: Taking taylor expansion of -2.0 in x
0.206 * [taylor]: Taking taylor expansion of x in x
0.207 * [taylor]: Taking taylor expansion of 1.0 in x
0.207 * [taylor]: Taking taylor expansion of (+ (exp (* -2.0 x)) 1.0) in x
0.207 * [taylor]: Taking taylor expansion of (exp (* -2.0 x)) in x
0.207 * [taylor]: Taking taylor expansion of (* -2.0 x) in x
0.207 * [taylor]: Taking taylor expansion of -2.0 in x
0.207 * [taylor]: Taking taylor expansion of x in x
0.208 * [taylor]: Taking taylor expansion of 1.0 in x
0.217 * [approximate]: Taking taylor expansion of (+ (exp (/ -2.0 x)) 1.0) in (x) around 0
0.217 * [taylor]: Taking taylor expansion of (+ (exp (/ -2.0 x)) 1.0) in x
0.217 * [taylor]: Taking taylor expansion of (exp (/ -2.0 x)) in x
0.217 * [taylor]: Taking taylor expansion of (/ -2.0 x) in x
0.217 * [taylor]: Taking taylor expansion of -2.0 in x
0.217 * [taylor]: Taking taylor expansion of x in x
0.217 * [taylor]: Taking taylor expansion of 1.0 in x
0.217 * [taylor]: Taking taylor expansion of (+ (exp (/ -2.0 x)) 1.0) in x
0.217 * [taylor]: Taking taylor expansion of (exp (/ -2.0 x)) in x
0.217 * [taylor]: Taking taylor expansion of (/ -2.0 x) in x
0.217 * [taylor]: Taking taylor expansion of -2.0 in x
0.217 * [taylor]: Taking taylor expansion of x in x
0.218 * [taylor]: Taking taylor expansion of 1.0 in x
0.219 * [approximate]: Taking taylor expansion of (+ (exp (/ 2.0 x)) 1.0) in (x) around 0
0.219 * [taylor]: Taking taylor expansion of (+ (exp (/ 2.0 x)) 1.0) in x
0.219 * [taylor]: Taking taylor expansion of (exp (/ 2.0 x)) in x
0.219 * [taylor]: Taking taylor expansion of (/ 2.0 x) in x
0.219 * [taylor]: Taking taylor expansion of 2.0 in x
0.219 * [taylor]: Taking taylor expansion of x in x
0.220 * [taylor]: Taking taylor expansion of 1.0 in x
0.220 * [taylor]: Taking taylor expansion of (+ (exp (/ 2.0 x)) 1.0) in x
0.220 * [taylor]: Taking taylor expansion of (exp (/ 2.0 x)) in x
0.220 * [taylor]: Taking taylor expansion of (/ 2.0 x) in x
0.220 * [taylor]: Taking taylor expansion of 2.0 in x
0.220 * [taylor]: Taking taylor expansion of x in x
0.220 * [taylor]: Taking taylor expansion of 1.0 in x
0.222 * * * * [progress]: [ 3 / 3 ] generating series at (2 1)
0.222 * [approximate]: Taking taylor expansion of (/ 2.0 (+ (exp (* -2.0 x)) 1.0)) in (x) around 0
0.222 * [taylor]: Taking taylor expansion of (/ 2.0 (+ (exp (* -2.0 x)) 1.0)) in x
0.222 * [taylor]: Taking taylor expansion of 2.0 in x
0.222 * [taylor]: Taking taylor expansion of (+ (exp (* -2.0 x)) 1.0) in x
0.222 * [taylor]: Taking taylor expansion of (exp (* -2.0 x)) in x
0.222 * [taylor]: Taking taylor expansion of (* -2.0 x) in x
0.222 * [taylor]: Taking taylor expansion of -2.0 in x
0.222 * [taylor]: Taking taylor expansion of x in x
0.223 * [taylor]: Taking taylor expansion of 1.0 in x
0.224 * [taylor]: Taking taylor expansion of (/ 2.0 (+ (exp (* -2.0 x)) 1.0)) in x
0.224 * [taylor]: Taking taylor expansion of 2.0 in x
0.224 * [taylor]: Taking taylor expansion of (+ (exp (* -2.0 x)) 1.0) in x
0.224 * [taylor]: Taking taylor expansion of (exp (* -2.0 x)) in x
0.224 * [taylor]: Taking taylor expansion of (* -2.0 x) in x
0.224 * [taylor]: Taking taylor expansion of -2.0 in x
0.224 * [taylor]: Taking taylor expansion of x in x
0.225 * [taylor]: Taking taylor expansion of 1.0 in x
0.249 * [approximate]: Taking taylor expansion of (/ 2.0 (+ (exp (/ -2.0 x)) 1.0)) in (x) around 0
0.249 * [taylor]: Taking taylor expansion of (/ 2.0 (+ (exp (/ -2.0 x)) 1.0)) in x
0.249 * [taylor]: Taking taylor expansion of 2.0 in x
0.249 * [taylor]: Taking taylor expansion of (+ (exp (/ -2.0 x)) 1.0) in x
0.249 * [taylor]: Taking taylor expansion of (exp (/ -2.0 x)) in x
0.249 * [taylor]: Taking taylor expansion of (/ -2.0 x) in x
0.249 * [taylor]: Taking taylor expansion of -2.0 in x
0.249 * [taylor]: Taking taylor expansion of x in x
0.249 * [taylor]: Taking taylor expansion of 1.0 in x
0.249 * [taylor]: Taking taylor expansion of (/ 2.0 (+ (exp (/ -2.0 x)) 1.0)) in x
0.249 * [taylor]: Taking taylor expansion of 2.0 in x
0.249 * [taylor]: Taking taylor expansion of (+ (exp (/ -2.0 x)) 1.0) in x
0.250 * [taylor]: Taking taylor expansion of (exp (/ -2.0 x)) in x
0.250 * [taylor]: Taking taylor expansion of (/ -2.0 x) in x
0.250 * [taylor]: Taking taylor expansion of -2.0 in x
0.250 * [taylor]: Taking taylor expansion of x in x
0.250 * [taylor]: Taking taylor expansion of 1.0 in x
0.258 * [approximate]: Taking taylor expansion of (/ 2.0 (+ (exp (/ 2.0 x)) 1.0)) in (x) around 0
0.258 * [taylor]: Taking taylor expansion of (/ 2.0 (+ (exp (/ 2.0 x)) 1.0)) in x
0.258 * [taylor]: Taking taylor expansion of 2.0 in x
0.258 * [taylor]: Taking taylor expansion of (+ (exp (/ 2.0 x)) 1.0) in x
0.258 * [taylor]: Taking taylor expansion of (exp (/ 2.0 x)) in x
0.258 * [taylor]: Taking taylor expansion of (/ 2.0 x) in x
0.258 * [taylor]: Taking taylor expansion of 2.0 in x
0.258 * [taylor]: Taking taylor expansion of x in x
0.259 * [taylor]: Taking taylor expansion of 1.0 in x
0.259 * [taylor]: Taking taylor expansion of (/ 2.0 (+ (exp (/ 2.0 x)) 1.0)) in x
0.259 * [taylor]: Taking taylor expansion of 2.0 in x
0.259 * [taylor]: Taking taylor expansion of (+ (exp (/ 2.0 x)) 1.0) in x
0.259 * [taylor]: Taking taylor expansion of (exp (/ 2.0 x)) in x
0.259 * [taylor]: Taking taylor expansion of (/ 2.0 x) in x
0.259 * [taylor]: Taking taylor expansion of 2.0 in x
0.259 * [taylor]: Taking taylor expansion of x in x
0.259 * [taylor]: Taking taylor expansion of 1.0 in x
0.263 * * * [progress]: simplifying candidates
0.264 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (exp (/ 2.0 (+ 1.0 (exp (* -2.0 x))))) (exp 1.0))
  (log (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0))
  (exp (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0))
  (* (cbrt (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0)) (cbrt (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0)))
  (cbrt (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0))
  (* (* (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0) (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0)) (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0))
  (sqrt (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0))
  (sqrt (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0))
  (- (pow (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 3) (pow 1.0 3))
  (+ (* (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) (/ 2.0 (+ 1.0 (exp (* -2.0 x))))) (+ (* 1.0 1.0) (* (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0)))
  (- 1.0)
  (- (* (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) (/ 2.0 (+ 1.0 (exp (* -2.0 x))))) (* 1.0 1.0))
  (+ (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0)
  (+ (sqrt (/ 2.0 (+ 1.0 (exp (* -2.0 x))))) (sqrt 1.0))
  (- (sqrt (/ 2.0 (+ 1.0 (exp (* -2.0 x))))) (sqrt 1.0))
  (+ (/ (sqrt 2.0) (sqrt (+ 1.0 (exp (* -2.0 x))))) (sqrt 1.0))
  (- (/ (sqrt 2.0) (sqrt (+ 1.0 (exp (* -2.0 x))))) (sqrt 1.0))
  (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0)
  (- 1.0)
  (* (exp 1.0) (exp (exp (* -2.0 x))))
  (log (+ 1.0 (exp (* -2.0 x))))
  (exp (+ 1.0 (exp (* -2.0 x))))
  (* (cbrt (+ 1.0 (exp (* -2.0 x)))) (cbrt (+ 1.0 (exp (* -2.0 x)))))
  (cbrt (+ 1.0 (exp (* -2.0 x))))
  (* (* (+ 1.0 (exp (* -2.0 x))) (+ 1.0 (exp (* -2.0 x)))) (+ 1.0 (exp (* -2.0 x))))
  (sqrt (+ 1.0 (exp (* -2.0 x))))
  (sqrt (+ 1.0 (exp (* -2.0 x))))
  (+ (pow 1.0 3) (pow (exp (* -2.0 x)) 3))
  (+ (* 1.0 1.0) (- (* (exp (* -2.0 x)) (exp (* -2.0 x))) (* 1.0 (exp (* -2.0 x)))))
  (- (* 1.0 1.0) (* (exp (* -2.0 x)) (exp (* -2.0 x))))
  (- 1.0 (exp (* -2.0 x)))
  (+ 1.0 (exp (* -2.0 x)))
  (- (log 2.0) (log (+ 1.0 (exp (* -2.0 x)))))
  (log (/ 2.0 (+ 1.0 (exp (* -2.0 x)))))
  (exp (/ 2.0 (+ 1.0 (exp (* -2.0 x)))))
  (/ (* (* 2.0 2.0) 2.0) (* (* (+ 1.0 (exp (* -2.0 x))) (+ 1.0 (exp (* -2.0 x)))) (+ 1.0 (exp (* -2.0 x)))))
  (* (cbrt (/ 2.0 (+ 1.0 (exp (* -2.0 x))))) (cbrt (/ 2.0 (+ 1.0 (exp (* -2.0 x))))))
  (cbrt (/ 2.0 (+ 1.0 (exp (* -2.0 x)))))
  (* (* (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) (/ 2.0 (+ 1.0 (exp (* -2.0 x))))) (/ 2.0 (+ 1.0 (exp (* -2.0 x)))))
  (sqrt (/ 2.0 (+ 1.0 (exp (* -2.0 x)))))
  (sqrt (/ 2.0 (+ 1.0 (exp (* -2.0 x)))))
  (- 2.0)
  (- (+ 1.0 (exp (* -2.0 x))))
  (/ (* (cbrt 2.0) (cbrt 2.0)) (* (cbrt (+ 1.0 (exp (* -2.0 x)))) (cbrt (+ 1.0 (exp (* -2.0 x))))))
  (/ (cbrt 2.0) (cbrt (+ 1.0 (exp (* -2.0 x)))))
  (/ (* (cbrt 2.0) (cbrt 2.0)) (sqrt (+ 1.0 (exp (* -2.0 x)))))
  (/ (cbrt 2.0) (sqrt (+ 1.0 (exp (* -2.0 x)))))
  (/ (* (cbrt 2.0) (cbrt 2.0)) 1)
  (/ (cbrt 2.0) (+ 1.0 (exp (* -2.0 x))))
  (/ (* (cbrt 2.0) (cbrt 2.0)) 1)
  (/ (cbrt 2.0) (+ 1.0 (exp (* -2.0 x))))
  (/ (sqrt 2.0) (* (cbrt (+ 1.0 (exp (* -2.0 x)))) (cbrt (+ 1.0 (exp (* -2.0 x))))))
  (/ (sqrt 2.0) (cbrt (+ 1.0 (exp (* -2.0 x)))))
  (/ (sqrt 2.0) (sqrt (+ 1.0 (exp (* -2.0 x)))))
  (/ (sqrt 2.0) (sqrt (+ 1.0 (exp (* -2.0 x)))))
  (/ (sqrt 2.0) 1)
  (/ (sqrt 2.0) (+ 1.0 (exp (* -2.0 x))))
  (/ (sqrt 2.0) 1)
  (/ (sqrt 2.0) (+ 1.0 (exp (* -2.0 x))))
  (/ 1 (* (cbrt (+ 1.0 (exp (* -2.0 x)))) (cbrt (+ 1.0 (exp (* -2.0 x))))))
  (/ 2.0 (cbrt (+ 1.0 (exp (* -2.0 x)))))
  (/ 1 (sqrt (+ 1.0 (exp (* -2.0 x)))))
  (/ 2.0 (sqrt (+ 1.0 (exp (* -2.0 x)))))
  (/ 1 1)
  (/ 2.0 (+ 1.0 (exp (* -2.0 x))))
  (/ 1 1)
  (/ 2.0 (+ 1.0 (exp (* -2.0 x))))
  (/ 1 (+ 1.0 (exp (* -2.0 x))))
  (/ (+ 1.0 (exp (* -2.0 x))) 2.0)
  (/ 2.0 (* (cbrt (+ 1.0 (exp (* -2.0 x)))) (cbrt (+ 1.0 (exp (* -2.0 x))))))
  (/ 2.0 (sqrt (+ 1.0 (exp (* -2.0 x)))))
  (/ 2.0 1)
  (/ 2.0 1)
  (/ (+ 1.0 (exp (* -2.0 x))) (cbrt 2.0))
  (/ (+ 1.0 (exp (* -2.0 x))) (sqrt 2.0))
  (/ (+ 1.0 (exp (* -2.0 x))) 2.0)
  (/ 2.0 (+ (pow 1.0 3) (pow (exp (* -2.0 x)) 3)))
  (/ 2.0 (- (* 1.0 1.0) (* (exp (* -2.0 x)) (exp (* -2.0 x)))))
  (- (* 1.0 x) (+ (* 5.551115123125783e-17 (pow x 4)) (* 0.33333333333333337 (pow x 3))))
  (- (* 2.0 (/ 1 (+ (exp (* -2.0 x)) 1.0))) 1.0)
  (- (* 2.0 (/ 1 (+ (exp (* -2.0 x)) 1.0))) 1.0)
  (- (+ (* 2.0 (pow x 2)) 2.0) (* 2.0 x))
  (+ (exp (* -2.0 x)) 1.0)
  (+ (exp (* -2.0 x)) 1.0)
  (- (+ 1.0 (* 1.0 x)) (* 0.33333333333333337 (pow x 3)))
  (/ 2.0 (+ (exp (* -2.0 x)) 1.0))
  (/ 2.0 (+ (exp (* -2.0 x)) 1.0))
0.268 * * [simplify]: iteration  0 :  251  enodes  (cost  494 )
0.273 * * [simplify]: iteration  1 :  731  enodes  (cost  465 )
0.285 * * [simplify]: iteration  2 :  2785  enodes  (cost  460 )
0.352 * * [simplify]: iteration  3 :  5002  enodes  (cost  460 )
0.354 * [simplify]: Simplified to:
   (exp (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0))
  (log (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0))
  (exp (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0))
  (* (cbrt (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0)) (cbrt (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0)))
  (cbrt (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0))
  (pow (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0) 3)
  (sqrt (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0))
  (sqrt (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0))
  (- (pow (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 3) (pow 1.0 3))
  (+ (* (/ 2.0 (+ (exp (* -2.0 x)) 1.0)) (+ 1.0 (/ 2.0 (+ (exp (* -2.0 x)) 1.0)))) (* 1.0 1.0))
  (- 1.0)
  (- (* (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) (/ 2.0 (+ 1.0 (exp (* -2.0 x))))) (* 1.0 1.0))
  (+ (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0)
  (+ (sqrt (/ 2.0 (+ 1.0 (exp (* -2.0 x))))) (sqrt 1.0))
  (- (sqrt (/ 2.0 (+ 1.0 (exp (* -2.0 x))))) (sqrt 1.0))
  (+ (/ (sqrt 2.0) (sqrt (+ 1.0 (exp (* -2.0 x))))) (sqrt 1.0))
  (- (/ (sqrt 2.0) (sqrt (+ 1.0 (exp (* -2.0 x))))) (sqrt 1.0))
  (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0)
  (- 1.0)
  (exp (+ 1.0 (exp (* -2.0 x))))
  (log (+ 1.0 (exp (* -2.0 x))))
  (exp (+ 1.0 (exp (* -2.0 x))))
  (* (cbrt (+ 1.0 (exp (* -2.0 x)))) (cbrt (+ 1.0 (exp (* -2.0 x)))))
  (cbrt (+ 1.0 (exp (* -2.0 x))))
  (pow (+ 1.0 (exp (* -2.0 x))) 3)
  (sqrt (+ 1.0 (exp (* -2.0 x))))
  (sqrt (+ 1.0 (exp (* -2.0 x))))
  (+ (pow 1.0 3) (pow (exp (* -2.0 x)) 3))
  (+ (* (exp (* -2.0 x)) (- (exp (* -2.0 x)) 1.0)) (* 1.0 1.0))
  (- (* 1.0 1.0) (* (exp (* -2.0 x)) (exp (* -2.0 x))))
  (- 1.0 (exp (* -2.0 x)))
  (+ 1.0 (exp (* -2.0 x)))
  (log (/ 2.0 (+ 1.0 (exp (* -2.0 x)))))
  (log (/ 2.0 (+ 1.0 (exp (* -2.0 x)))))
  (exp (/ 2.0 (+ (exp (* -2.0 x)) 1.0)))
  (pow (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 3)
  (* (cbrt (/ 2.0 (+ 1.0 (exp (* -2.0 x))))) (cbrt (/ 2.0 (+ 1.0 (exp (* -2.0 x))))))
  (cbrt (/ 2.0 (+ 1.0 (exp (* -2.0 x)))))
  (pow (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 3)
  (sqrt (/ 2.0 (+ 1.0 (exp (* -2.0 x)))))
  (sqrt (/ 2.0 (+ 1.0 (exp (* -2.0 x)))))
  (- 2.0)
  (- (+ 1.0 (exp (* -2.0 x))))
  (/ (* (cbrt 2.0) (cbrt 2.0)) (* (cbrt (+ 1.0 (exp (* -2.0 x)))) (cbrt (+ 1.0 (exp (* -2.0 x))))))
  (/ (cbrt 2.0) (cbrt (+ 1.0 (exp (* -2.0 x)))))
  (/ (* (cbrt 2.0) (cbrt 2.0)) (sqrt (+ 1.0 (exp (* -2.0 x)))))
  (/ (cbrt 2.0) (sqrt (+ 1.0 (exp (* -2.0 x)))))
  (* (cbrt 2.0) (cbrt 2.0))
  (/ (cbrt 2.0) (+ 1.0 (exp (* -2.0 x))))
  (* (cbrt 2.0) (cbrt 2.0))
  (/ (cbrt 2.0) (+ 1.0 (exp (* -2.0 x))))
  (/ (sqrt 2.0) (* (cbrt (+ 1.0 (exp (* -2.0 x)))) (cbrt (+ 1.0 (exp (* -2.0 x))))))
  (/ (sqrt 2.0) (cbrt (+ 1.0 (exp (* -2.0 x)))))
  (/ (sqrt 2.0) (sqrt (+ 1.0 (exp (* -2.0 x)))))
  (/ (sqrt 2.0) (sqrt (+ 1.0 (exp (* -2.0 x)))))
  (sqrt 2.0)
  (/ (sqrt 2.0) (+ 1.0 (exp (* -2.0 x))))
  (sqrt 2.0)
  (/ (sqrt 2.0) (+ 1.0 (exp (* -2.0 x))))
  (/ 1 (* (cbrt (+ 1.0 (exp (* -2.0 x)))) (cbrt (+ 1.0 (exp (* -2.0 x))))))
  (/ 2.0 (cbrt (+ 1.0 (exp (* -2.0 x)))))
  (/ 1 (sqrt (+ 1.0 (exp (* -2.0 x)))))
  (/ 2.0 (sqrt (+ 1.0 (exp (* -2.0 x)))))
  1
  (/ 2.0 (+ (exp (* -2.0 x)) 1.0))
  1
  (/ 2.0 (+ (exp (* -2.0 x)) 1.0))
  (/ 1 (+ (exp (* -2.0 x)) 1.0))
  (/ (+ 1.0 (exp (* -2.0 x))) 2.0)
  (/ 2.0 (* (cbrt (+ 1.0 (exp (* -2.0 x)))) (cbrt (+ 1.0 (exp (* -2.0 x))))))
  (/ 2.0 (sqrt (+ 1.0 (exp (* -2.0 x)))))
  2.0
  2.0
  (/ (+ 1.0 (exp (* -2.0 x))) (cbrt 2.0))
  (/ (+ 1.0 (exp (* -2.0 x))) (sqrt 2.0))
  (/ (+ 1.0 (exp (* -2.0 x))) 2.0)
  (/ 2.0 (+ (pow 1.0 3) (pow (exp (* -2.0 x)) 3)))
  (/ 2.0 (- (* 1.0 1.0) (* (exp (* -2.0 x)) (exp (* -2.0 x)))))
  (- (* 1.0 x) (+ (* 5.551115123125783e-17 (pow x 4)) (* 0.33333333333333337 (pow x 3))))
  (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0)
  (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0)
  (* 2.0 (- (+ (pow x 2) 1) x))
  (+ 1.0 (exp (* -2.0 x)))
  (+ 1.0 (exp (* -2.0 x)))
  (- (+ 1.0 (* 1.0 x)) (* 0.33333333333333337 (pow x 3)))
  (/ 2.0 (+ (exp (* -2.0 x)) 1.0))
  (/ 2.0 (+ (exp (* -2.0 x)) 1.0))
0.355 * * * [progress]: adding candidates to table
0.497 * * [progress]: iteration 2 / 4
0.497 * * * [progress]: picking best candidate
0.501 * * * * [pick]: Picked  #<alt (λ (x y) (log (exp (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0))))>
0.501 * * * [progress]: localizing error
0.512 * * * [progress]: generating rewritten candidates
0.512 * * * * [progress]: [ 1 / 4 ] rewriting at (2)
0.522 * * * * [progress]: [ 2 / 4 ] rewriting at (2 1 1)
0.532 * * * * [progress]: [ 3 / 4 ] rewriting at (2 1 1 1 2)
0.535 * * * * [progress]: [ 4 / 4 ] rewriting at (2 1 1 1)
0.543 * * * [progress]: generating series expansions
0.543 * * * * [progress]: [ 1 / 4 ] generating series at (2)
0.543 * [approximate]: Taking taylor expansion of (- (* 2.0 (/ 1 (+ (exp (* -2.0 x)) 1.0))) 1.0) in (x) around 0
0.543 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (+ (exp (* -2.0 x)) 1.0))) 1.0) in x
0.543 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (+ (exp (* -2.0 x)) 1.0))) in x
0.543 * [taylor]: Taking taylor expansion of 2.0 in x
0.543 * [taylor]: Taking taylor expansion of (/ 1 (+ (exp (* -2.0 x)) 1.0)) in x
0.543 * [taylor]: Taking taylor expansion of (+ (exp (* -2.0 x)) 1.0) in x
0.543 * [taylor]: Taking taylor expansion of (exp (* -2.0 x)) in x
0.543 * [taylor]: Taking taylor expansion of (* -2.0 x) in x
0.543 * [taylor]: Taking taylor expansion of -2.0 in x
0.543 * [taylor]: Taking taylor expansion of x in x
0.545 * [taylor]: Taking taylor expansion of 1.0 in x
0.545 * [taylor]: Taking taylor expansion of 1.0 in x
0.545 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (+ (exp (* -2.0 x)) 1.0))) 1.0) in x
0.545 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (+ (exp (* -2.0 x)) 1.0))) in x
0.545 * [taylor]: Taking taylor expansion of 2.0 in x
0.545 * [taylor]: Taking taylor expansion of (/ 1 (+ (exp (* -2.0 x)) 1.0)) in x
0.545 * [taylor]: Taking taylor expansion of (+ (exp (* -2.0 x)) 1.0) in x
0.545 * [taylor]: Taking taylor expansion of (exp (* -2.0 x)) in x
0.545 * [taylor]: Taking taylor expansion of (* -2.0 x) in x
0.545 * [taylor]: Taking taylor expansion of -2.0 in x
0.545 * [taylor]: Taking taylor expansion of x in x
0.547 * [taylor]: Taking taylor expansion of 1.0 in x
0.547 * [taylor]: Taking taylor expansion of 1.0 in x
0.597 * [approximate]: Taking taylor expansion of (- (* 2.0 (/ 1 (+ (exp (/ -2.0 x)) 1.0))) 1.0) in (x) around 0
0.597 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (+ (exp (/ -2.0 x)) 1.0))) 1.0) in x
0.597 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (+ (exp (/ -2.0 x)) 1.0))) in x
0.597 * [taylor]: Taking taylor expansion of 2.0 in x
0.597 * [taylor]: Taking taylor expansion of (/ 1 (+ (exp (/ -2.0 x)) 1.0)) in x
0.597 * [taylor]: Taking taylor expansion of (+ (exp (/ -2.0 x)) 1.0) in x
0.597 * [taylor]: Taking taylor expansion of (exp (/ -2.0 x)) in x
0.597 * [taylor]: Taking taylor expansion of (/ -2.0 x) in x
0.597 * [taylor]: Taking taylor expansion of -2.0 in x
0.597 * [taylor]: Taking taylor expansion of x in x
0.598 * [taylor]: Taking taylor expansion of 1.0 in x
0.598 * [taylor]: Taking taylor expansion of 1.0 in x
0.598 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (+ (exp (/ -2.0 x)) 1.0))) 1.0) in x
0.598 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (+ (exp (/ -2.0 x)) 1.0))) in x
0.598 * [taylor]: Taking taylor expansion of 2.0 in x
0.598 * [taylor]: Taking taylor expansion of (/ 1 (+ (exp (/ -2.0 x)) 1.0)) in x
0.598 * [taylor]: Taking taylor expansion of (+ (exp (/ -2.0 x)) 1.0) in x
0.598 * [taylor]: Taking taylor expansion of (exp (/ -2.0 x)) in x
0.598 * [taylor]: Taking taylor expansion of (/ -2.0 x) in x
0.598 * [taylor]: Taking taylor expansion of -2.0 in x
0.598 * [taylor]: Taking taylor expansion of x in x
0.598 * [taylor]: Taking taylor expansion of 1.0 in x
0.599 * [taylor]: Taking taylor expansion of 1.0 in x
0.611 * [approximate]: Taking taylor expansion of (- (* 2.0 (/ 1 (+ (exp (/ 2.0 x)) 1.0))) 1.0) in (x) around 0
0.611 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (+ (exp (/ 2.0 x)) 1.0))) 1.0) in x
0.611 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (+ (exp (/ 2.0 x)) 1.0))) in x
0.611 * [taylor]: Taking taylor expansion of 2.0 in x
0.611 * [taylor]: Taking taylor expansion of (/ 1 (+ (exp (/ 2.0 x)) 1.0)) in x
0.611 * [taylor]: Taking taylor expansion of (+ (exp (/ 2.0 x)) 1.0) in x
0.611 * [taylor]: Taking taylor expansion of (exp (/ 2.0 x)) in x
0.611 * [taylor]: Taking taylor expansion of (/ 2.0 x) in x
0.611 * [taylor]: Taking taylor expansion of 2.0 in x
0.611 * [taylor]: Taking taylor expansion of x in x
0.612 * [taylor]: Taking taylor expansion of 1.0 in x
0.612 * [taylor]: Taking taylor expansion of 1.0 in x
0.612 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (+ (exp (/ 2.0 x)) 1.0))) 1.0) in x
0.612 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (+ (exp (/ 2.0 x)) 1.0))) in x
0.612 * [taylor]: Taking taylor expansion of 2.0 in x
0.612 * [taylor]: Taking taylor expansion of (/ 1 (+ (exp (/ 2.0 x)) 1.0)) in x
0.612 * [taylor]: Taking taylor expansion of (+ (exp (/ 2.0 x)) 1.0) in x
0.612 * [taylor]: Taking taylor expansion of (exp (/ 2.0 x)) in x
0.612 * [taylor]: Taking taylor expansion of (/ 2.0 x) in x
0.612 * [taylor]: Taking taylor expansion of 2.0 in x
0.612 * [taylor]: Taking taylor expansion of x in x
0.612 * [taylor]: Taking taylor expansion of 1.0 in x
0.612 * [taylor]: Taking taylor expansion of 1.0 in x
0.625 * * * * [progress]: [ 2 / 4 ] generating series at (2 1 1)
0.625 * [approximate]: Taking taylor expansion of (- (* 2.0 (/ 1 (+ (exp (* -2.0 x)) 1.0))) 1.0) in (x) around 0
0.625 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (+ (exp (* -2.0 x)) 1.0))) 1.0) in x
0.625 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (+ (exp (* -2.0 x)) 1.0))) in x
0.625 * [taylor]: Taking taylor expansion of 2.0 in x
0.625 * [taylor]: Taking taylor expansion of (/ 1 (+ (exp (* -2.0 x)) 1.0)) in x
0.625 * [taylor]: Taking taylor expansion of (+ (exp (* -2.0 x)) 1.0) in x
0.625 * [taylor]: Taking taylor expansion of (exp (* -2.0 x)) in x
0.625 * [taylor]: Taking taylor expansion of (* -2.0 x) in x
0.625 * [taylor]: Taking taylor expansion of -2.0 in x
0.625 * [taylor]: Taking taylor expansion of x in x
0.626 * [taylor]: Taking taylor expansion of 1.0 in x
0.627 * [taylor]: Taking taylor expansion of 1.0 in x
0.627 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (+ (exp (* -2.0 x)) 1.0))) 1.0) in x
0.627 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (+ (exp (* -2.0 x)) 1.0))) in x
0.627 * [taylor]: Taking taylor expansion of 2.0 in x
0.627 * [taylor]: Taking taylor expansion of (/ 1 (+ (exp (* -2.0 x)) 1.0)) in x
0.627 * [taylor]: Taking taylor expansion of (+ (exp (* -2.0 x)) 1.0) in x
0.627 * [taylor]: Taking taylor expansion of (exp (* -2.0 x)) in x
0.627 * [taylor]: Taking taylor expansion of (* -2.0 x) in x
0.627 * [taylor]: Taking taylor expansion of -2.0 in x
0.627 * [taylor]: Taking taylor expansion of x in x
0.628 * [taylor]: Taking taylor expansion of 1.0 in x
0.629 * [taylor]: Taking taylor expansion of 1.0 in x
0.680 * [approximate]: Taking taylor expansion of (- (* 2.0 (/ 1 (+ (exp (/ -2.0 x)) 1.0))) 1.0) in (x) around 0
0.680 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (+ (exp (/ -2.0 x)) 1.0))) 1.0) in x
0.680 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (+ (exp (/ -2.0 x)) 1.0))) in x
0.680 * [taylor]: Taking taylor expansion of 2.0 in x
0.680 * [taylor]: Taking taylor expansion of (/ 1 (+ (exp (/ -2.0 x)) 1.0)) in x
0.680 * [taylor]: Taking taylor expansion of (+ (exp (/ -2.0 x)) 1.0) in x
0.680 * [taylor]: Taking taylor expansion of (exp (/ -2.0 x)) in x
0.680 * [taylor]: Taking taylor expansion of (/ -2.0 x) in x
0.680 * [taylor]: Taking taylor expansion of -2.0 in x
0.680 * [taylor]: Taking taylor expansion of x in x
0.680 * [taylor]: Taking taylor expansion of 1.0 in x
0.680 * [taylor]: Taking taylor expansion of 1.0 in x
0.680 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (+ (exp (/ -2.0 x)) 1.0))) 1.0) in x
0.680 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (+ (exp (/ -2.0 x)) 1.0))) in x
0.680 * [taylor]: Taking taylor expansion of 2.0 in x
0.680 * [taylor]: Taking taylor expansion of (/ 1 (+ (exp (/ -2.0 x)) 1.0)) in x
0.680 * [taylor]: Taking taylor expansion of (+ (exp (/ -2.0 x)) 1.0) in x
0.680 * [taylor]: Taking taylor expansion of (exp (/ -2.0 x)) in x
0.680 * [taylor]: Taking taylor expansion of (/ -2.0 x) in x
0.680 * [taylor]: Taking taylor expansion of -2.0 in x
0.680 * [taylor]: Taking taylor expansion of x in x
0.681 * [taylor]: Taking taylor expansion of 1.0 in x
0.681 * [taylor]: Taking taylor expansion of 1.0 in x
0.694 * [approximate]: Taking taylor expansion of (- (* 2.0 (/ 1 (+ (exp (/ 2.0 x)) 1.0))) 1.0) in (x) around 0
0.694 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (+ (exp (/ 2.0 x)) 1.0))) 1.0) in x
0.694 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (+ (exp (/ 2.0 x)) 1.0))) in x
0.694 * [taylor]: Taking taylor expansion of 2.0 in x
0.694 * [taylor]: Taking taylor expansion of (/ 1 (+ (exp (/ 2.0 x)) 1.0)) in x
0.694 * [taylor]: Taking taylor expansion of (+ (exp (/ 2.0 x)) 1.0) in x
0.694 * [taylor]: Taking taylor expansion of (exp (/ 2.0 x)) in x
0.694 * [taylor]: Taking taylor expansion of (/ 2.0 x) in x
0.694 * [taylor]: Taking taylor expansion of 2.0 in x
0.694 * [taylor]: Taking taylor expansion of x in x
0.694 * [taylor]: Taking taylor expansion of 1.0 in x
0.694 * [taylor]: Taking taylor expansion of 1.0 in x
0.694 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (+ (exp (/ 2.0 x)) 1.0))) 1.0) in x
0.694 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (+ (exp (/ 2.0 x)) 1.0))) in x
0.694 * [taylor]: Taking taylor expansion of 2.0 in x
0.694 * [taylor]: Taking taylor expansion of (/ 1 (+ (exp (/ 2.0 x)) 1.0)) in x
0.694 * [taylor]: Taking taylor expansion of (+ (exp (/ 2.0 x)) 1.0) in x
0.694 * [taylor]: Taking taylor expansion of (exp (/ 2.0 x)) in x
0.694 * [taylor]: Taking taylor expansion of (/ 2.0 x) in x
0.694 * [taylor]: Taking taylor expansion of 2.0 in x
0.694 * [taylor]: Taking taylor expansion of x in x
0.695 * [taylor]: Taking taylor expansion of 1.0 in x
0.695 * [taylor]: Taking taylor expansion of 1.0 in x
0.707 * * * * [progress]: [ 3 / 4 ] generating series at (2 1 1 1 2)
0.707 * [approximate]: Taking taylor expansion of (+ (exp (* -2.0 x)) 1.0) in (x) around 0
0.707 * [taylor]: Taking taylor expansion of (+ (exp (* -2.0 x)) 1.0) in x
0.707 * [taylor]: Taking taylor expansion of (exp (* -2.0 x)) in x
0.707 * [taylor]: Taking taylor expansion of (* -2.0 x) in x
0.707 * [taylor]: Taking taylor expansion of -2.0 in x
0.707 * [taylor]: Taking taylor expansion of x in x
0.708 * [taylor]: Taking taylor expansion of 1.0 in x
0.709 * [taylor]: Taking taylor expansion of (+ (exp (* -2.0 x)) 1.0) in x
0.709 * [taylor]: Taking taylor expansion of (exp (* -2.0 x)) in x
0.709 * [taylor]: Taking taylor expansion of (* -2.0 x) in x
0.709 * [taylor]: Taking taylor expansion of -2.0 in x
0.709 * [taylor]: Taking taylor expansion of x in x
0.710 * [taylor]: Taking taylor expansion of 1.0 in x
0.718 * [approximate]: Taking taylor expansion of (+ (exp (/ -2.0 x)) 1.0) in (x) around 0
0.718 * [taylor]: Taking taylor expansion of (+ (exp (/ -2.0 x)) 1.0) in x
0.718 * [taylor]: Taking taylor expansion of (exp (/ -2.0 x)) in x
0.718 * [taylor]: Taking taylor expansion of (/ -2.0 x) in x
0.718 * [taylor]: Taking taylor expansion of -2.0 in x
0.718 * [taylor]: Taking taylor expansion of x in x
0.719 * [taylor]: Taking taylor expansion of 1.0 in x
0.719 * [taylor]: Taking taylor expansion of (+ (exp (/ -2.0 x)) 1.0) in x
0.719 * [taylor]: Taking taylor expansion of (exp (/ -2.0 x)) in x
0.719 * [taylor]: Taking taylor expansion of (/ -2.0 x) in x
0.719 * [taylor]: Taking taylor expansion of -2.0 in x
0.719 * [taylor]: Taking taylor expansion of x in x
0.719 * [taylor]: Taking taylor expansion of 1.0 in x
0.721 * [approximate]: Taking taylor expansion of (+ (exp (/ 2.0 x)) 1.0) in (x) around 0
0.721 * [taylor]: Taking taylor expansion of (+ (exp (/ 2.0 x)) 1.0) in x
0.721 * [taylor]: Taking taylor expansion of (exp (/ 2.0 x)) in x
0.721 * [taylor]: Taking taylor expansion of (/ 2.0 x) in x
0.721 * [taylor]: Taking taylor expansion of 2.0 in x
0.721 * [taylor]: Taking taylor expansion of x in x
0.721 * [taylor]: Taking taylor expansion of 1.0 in x
0.721 * [taylor]: Taking taylor expansion of (+ (exp (/ 2.0 x)) 1.0) in x
0.721 * [taylor]: Taking taylor expansion of (exp (/ 2.0 x)) in x
0.721 * [taylor]: Taking taylor expansion of (/ 2.0 x) in x
0.721 * [taylor]: Taking taylor expansion of 2.0 in x
0.721 * [taylor]: Taking taylor expansion of x in x
0.722 * [taylor]: Taking taylor expansion of 1.0 in x
0.723 * * * * [progress]: [ 4 / 4 ] generating series at (2 1 1 1)
0.723 * [approximate]: Taking taylor expansion of (/ 2.0 (+ (exp (* -2.0 x)) 1.0)) in (x) around 0
0.723 * [taylor]: Taking taylor expansion of (/ 2.0 (+ (exp (* -2.0 x)) 1.0)) in x
0.723 * [taylor]: Taking taylor expansion of 2.0 in x
0.723 * [taylor]: Taking taylor expansion of (+ (exp (* -2.0 x)) 1.0) in x
0.723 * [taylor]: Taking taylor expansion of (exp (* -2.0 x)) in x
0.724 * [taylor]: Taking taylor expansion of (* -2.0 x) in x
0.724 * [taylor]: Taking taylor expansion of -2.0 in x
0.724 * [taylor]: Taking taylor expansion of x in x
0.725 * [taylor]: Taking taylor expansion of 1.0 in x
0.725 * [taylor]: Taking taylor expansion of (/ 2.0 (+ (exp (* -2.0 x)) 1.0)) in x
0.725 * [taylor]: Taking taylor expansion of 2.0 in x
0.725 * [taylor]: Taking taylor expansion of (+ (exp (* -2.0 x)) 1.0) in x
0.725 * [taylor]: Taking taylor expansion of (exp (* -2.0 x)) in x
0.725 * [taylor]: Taking taylor expansion of (* -2.0 x) in x
0.725 * [taylor]: Taking taylor expansion of -2.0 in x
0.725 * [taylor]: Taking taylor expansion of x in x
0.727 * [taylor]: Taking taylor expansion of 1.0 in x
0.756 * [approximate]: Taking taylor expansion of (/ 2.0 (+ (exp (/ -2.0 x)) 1.0)) in (x) around 0
0.756 * [taylor]: Taking taylor expansion of (/ 2.0 (+ (exp (/ -2.0 x)) 1.0)) in x
0.756 * [taylor]: Taking taylor expansion of 2.0 in x
0.756 * [taylor]: Taking taylor expansion of (+ (exp (/ -2.0 x)) 1.0) in x
0.756 * [taylor]: Taking taylor expansion of (exp (/ -2.0 x)) in x
0.756 * [taylor]: Taking taylor expansion of (/ -2.0 x) in x
0.756 * [taylor]: Taking taylor expansion of -2.0 in x
0.756 * [taylor]: Taking taylor expansion of x in x
0.756 * [taylor]: Taking taylor expansion of 1.0 in x
0.756 * [taylor]: Taking taylor expansion of (/ 2.0 (+ (exp (/ -2.0 x)) 1.0)) in x
0.756 * [taylor]: Taking taylor expansion of 2.0 in x
0.756 * [taylor]: Taking taylor expansion of (+ (exp (/ -2.0 x)) 1.0) in x
0.756 * [taylor]: Taking taylor expansion of (exp (/ -2.0 x)) in x
0.756 * [taylor]: Taking taylor expansion of (/ -2.0 x) in x
0.756 * [taylor]: Taking taylor expansion of -2.0 in x
0.756 * [taylor]: Taking taylor expansion of x in x
0.757 * [taylor]: Taking taylor expansion of 1.0 in x
0.760 * [approximate]: Taking taylor expansion of (/ 2.0 (+ (exp (/ 2.0 x)) 1.0)) in (x) around 0
0.760 * [taylor]: Taking taylor expansion of (/ 2.0 (+ (exp (/ 2.0 x)) 1.0)) in x
0.760 * [taylor]: Taking taylor expansion of 2.0 in x
0.760 * [taylor]: Taking taylor expansion of (+ (exp (/ 2.0 x)) 1.0) in x
0.760 * [taylor]: Taking taylor expansion of (exp (/ 2.0 x)) in x
0.760 * [taylor]: Taking taylor expansion of (/ 2.0 x) in x
0.760 * [taylor]: Taking taylor expansion of 2.0 in x
0.760 * [taylor]: Taking taylor expansion of x in x
0.761 * [taylor]: Taking taylor expansion of 1.0 in x
0.761 * [taylor]: Taking taylor expansion of (/ 2.0 (+ (exp (/ 2.0 x)) 1.0)) in x
0.761 * [taylor]: Taking taylor expansion of 2.0 in x
0.761 * [taylor]: Taking taylor expansion of (+ (exp (/ 2.0 x)) 1.0) in x
0.761 * [taylor]: Taking taylor expansion of (exp (/ 2.0 x)) in x
0.761 * [taylor]: Taking taylor expansion of (/ 2.0 x) in x
0.761 * [taylor]: Taking taylor expansion of 2.0 in x
0.761 * [taylor]: Taking taylor expansion of x in x
0.761 * [taylor]: Taking taylor expansion of 1.0 in x
0.765 * * * [progress]: simplifying candidates
0.766 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (log (exp (/ 2.0 (+ 1.0 (exp (* -2.0 x))))))
  (log (exp (- 1.0)))
  (log (exp (/ 2.0 (+ 1.0 (exp (* -2.0 x))))))
  (log (exp (- 1.0)))
  (log (* (cbrt (exp (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0))) (cbrt (exp (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0)))))
  (log (cbrt (exp (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0))))
  (log (sqrt (exp (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0))))
  (log (sqrt (exp (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0))))
  (log 1)
  (log (exp (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0)))
  (log (exp (/ 2.0 (+ 1.0 (exp (* -2.0 x))))))
  (log (exp 1.0))
  (log (exp (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0)))
  (log (exp (* (cbrt (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0)) (cbrt (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0)))))
  (log (exp (sqrt (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0))))
  (log (exp 1))
  (log (exp (+ (sqrt (/ 2.0 (+ 1.0 (exp (* -2.0 x))))) (sqrt 1.0))))
  (log (exp (+ (/ (sqrt 2.0) (sqrt (+ 1.0 (exp (* -2.0 x))))) (sqrt 1.0))))
  (log (exp 1))
  (log (log (exp (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0))))
  (exp (log (exp (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0))))
  (* (cbrt (log (exp (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0)))) (cbrt (log (exp (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0)))))
  (cbrt (log (exp (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0))))
  (* (* (log (exp (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0))) (log (exp (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0)))) (log (exp (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0))))
  (sqrt (log (exp (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0))))
  (sqrt (log (exp (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0))))
  (/ (exp (/ 2.0 (+ 1.0 (exp (* -2.0 x))))) (exp 1.0))
  (log (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0))
  (exp (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0))
  (* (cbrt (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0)) (cbrt (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0)))
  (cbrt (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0))
  (* (* (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0) (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0)) (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0))
  (sqrt (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0))
  (sqrt (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0))
  (- (pow (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 3) (pow 1.0 3))
  (+ (* (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) (/ 2.0 (+ 1.0 (exp (* -2.0 x))))) (+ (* 1.0 1.0) (* (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0)))
  (- 1.0)
  (- (* (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) (/ 2.0 (+ 1.0 (exp (* -2.0 x))))) (* 1.0 1.0))
  (+ (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0)
  (+ (sqrt (/ 2.0 (+ 1.0 (exp (* -2.0 x))))) (sqrt 1.0))
  (- (sqrt (/ 2.0 (+ 1.0 (exp (* -2.0 x))))) (sqrt 1.0))
  (+ (/ (sqrt 2.0) (sqrt (+ 1.0 (exp (* -2.0 x))))) (sqrt 1.0))
  (- (/ (sqrt 2.0) (sqrt (+ 1.0 (exp (* -2.0 x))))) (sqrt 1.0))
  (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0)
  (- 1.0)
  (* (exp 1.0) (exp (exp (* -2.0 x))))
  (log (+ 1.0 (exp (* -2.0 x))))
  (exp (+ 1.0 (exp (* -2.0 x))))
  (* (cbrt (+ 1.0 (exp (* -2.0 x)))) (cbrt (+ 1.0 (exp (* -2.0 x)))))
  (cbrt (+ 1.0 (exp (* -2.0 x))))
  (* (* (+ 1.0 (exp (* -2.0 x))) (+ 1.0 (exp (* -2.0 x)))) (+ 1.0 (exp (* -2.0 x))))
  (sqrt (+ 1.0 (exp (* -2.0 x))))
  (sqrt (+ 1.0 (exp (* -2.0 x))))
  (+ (pow 1.0 3) (pow (exp (* -2.0 x)) 3))
  (+ (* 1.0 1.0) (- (* (exp (* -2.0 x)) (exp (* -2.0 x))) (* 1.0 (exp (* -2.0 x)))))
  (- (* 1.0 1.0) (* (exp (* -2.0 x)) (exp (* -2.0 x))))
  (- 1.0 (exp (* -2.0 x)))
  (+ 1.0 (exp (* -2.0 x)))
  (- (log 2.0) (log (+ 1.0 (exp (* -2.0 x)))))
  (log (/ 2.0 (+ 1.0 (exp (* -2.0 x)))))
  (exp (/ 2.0 (+ 1.0 (exp (* -2.0 x)))))
  (/ (* (* 2.0 2.0) 2.0) (* (* (+ 1.0 (exp (* -2.0 x))) (+ 1.0 (exp (* -2.0 x)))) (+ 1.0 (exp (* -2.0 x)))))
  (* (cbrt (/ 2.0 (+ 1.0 (exp (* -2.0 x))))) (cbrt (/ 2.0 (+ 1.0 (exp (* -2.0 x))))))
  (cbrt (/ 2.0 (+ 1.0 (exp (* -2.0 x)))))
  (* (* (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) (/ 2.0 (+ 1.0 (exp (* -2.0 x))))) (/ 2.0 (+ 1.0 (exp (* -2.0 x)))))
  (sqrt (/ 2.0 (+ 1.0 (exp (* -2.0 x)))))
  (sqrt (/ 2.0 (+ 1.0 (exp (* -2.0 x)))))
  (- 2.0)
  (- (+ 1.0 (exp (* -2.0 x))))
  (/ (* (cbrt 2.0) (cbrt 2.0)) (* (cbrt (+ 1.0 (exp (* -2.0 x)))) (cbrt (+ 1.0 (exp (* -2.0 x))))))
  (/ (cbrt 2.0) (cbrt (+ 1.0 (exp (* -2.0 x)))))
  (/ (* (cbrt 2.0) (cbrt 2.0)) (sqrt (+ 1.0 (exp (* -2.0 x)))))
  (/ (cbrt 2.0) (sqrt (+ 1.0 (exp (* -2.0 x)))))
  (/ (* (cbrt 2.0) (cbrt 2.0)) 1)
  (/ (cbrt 2.0) (+ 1.0 (exp (* -2.0 x))))
  (/ (* (cbrt 2.0) (cbrt 2.0)) 1)
  (/ (cbrt 2.0) (+ 1.0 (exp (* -2.0 x))))
  (/ (sqrt 2.0) (* (cbrt (+ 1.0 (exp (* -2.0 x)))) (cbrt (+ 1.0 (exp (* -2.0 x))))))
  (/ (sqrt 2.0) (cbrt (+ 1.0 (exp (* -2.0 x)))))
  (/ (sqrt 2.0) (sqrt (+ 1.0 (exp (* -2.0 x)))))
  (/ (sqrt 2.0) (sqrt (+ 1.0 (exp (* -2.0 x)))))
  (/ (sqrt 2.0) 1)
  (/ (sqrt 2.0) (+ 1.0 (exp (* -2.0 x))))
  (/ (sqrt 2.0) 1)
  (/ (sqrt 2.0) (+ 1.0 (exp (* -2.0 x))))
  (/ 1 (* (cbrt (+ 1.0 (exp (* -2.0 x)))) (cbrt (+ 1.0 (exp (* -2.0 x))))))
  (/ 2.0 (cbrt (+ 1.0 (exp (* -2.0 x)))))
  (/ 1 (sqrt (+ 1.0 (exp (* -2.0 x)))))
  (/ 2.0 (sqrt (+ 1.0 (exp (* -2.0 x)))))
  (/ 1 1)
  (/ 2.0 (+ 1.0 (exp (* -2.0 x))))
  (/ 1 1)
  (/ 2.0 (+ 1.0 (exp (* -2.0 x))))
  (/ 1 (+ 1.0 (exp (* -2.0 x))))
  (/ (+ 1.0 (exp (* -2.0 x))) 2.0)
  (/ 2.0 (* (cbrt (+ 1.0 (exp (* -2.0 x)))) (cbrt (+ 1.0 (exp (* -2.0 x))))))
  (/ 2.0 (sqrt (+ 1.0 (exp (* -2.0 x)))))
  (/ 2.0 1)
  (/ 2.0 1)
  (/ (+ 1.0 (exp (* -2.0 x))) (cbrt 2.0))
  (/ (+ 1.0 (exp (* -2.0 x))) (sqrt 2.0))
  (/ (+ 1.0 (exp (* -2.0 x))) 2.0)
  (/ 2.0 (+ (pow 1.0 3) (pow (exp (* -2.0 x)) 3)))
  (/ 2.0 (- (* 1.0 1.0) (* (exp (* -2.0 x)) (exp (* -2.0 x)))))
  (- (* 1.0 x) (+ (* 5.551115123125783e-17 (pow x 4)) (* 0.33333333333333337 (pow x 3))))
  (- (* 2.0 (/ 1 (+ (exp (* -2.0 x)) 1.0))) 1.0)
  (- (* 2.0 (/ 1 (+ (exp (* -2.0 x)) 1.0))) 1.0)
  (- (* 1.0 x) (+ (* 5.551115123125783e-17 (pow x 4)) (* 0.33333333333333337 (pow x 3))))
  (- (* 2.0 (/ 1 (+ (exp (* -2.0 x)) 1.0))) 1.0)
  (- (* 2.0 (/ 1 (+ (exp (* -2.0 x)) 1.0))) 1.0)
  (- (+ (* 2.0 (pow x 2)) 2.0) (* 2.0 x))
  (+ (exp (* -2.0 x)) 1.0)
  (+ (exp (* -2.0 x)) 1.0)
  (- (+ 1.0 (* 1.0 x)) (* 0.33333333333333337 (pow x 3)))
  (/ 2.0 (+ (exp (* -2.0 x)) 1.0))
  (/ 2.0 (+ (exp (* -2.0 x)) 1.0))
0.771 * * [simplify]: iteration  0 :  291  enodes  (cost  672 )
0.776 * * [simplify]: iteration  1 :  851  enodes  (cost  622 )
0.789 * * [simplify]: iteration  2 :  3011  enodes  (cost  617 )
0.858 * * [simplify]: iteration  3 :  5001  enodes  (cost  617 )
0.862 * [simplify]: Simplified to:
   (/ 2.0 (+ 1.0 (exp (* -2.0 x))))
  (- 1.0)
  (/ 2.0 (+ 1.0 (exp (* -2.0 x))))
  (- 1.0)
  (* 2 (log (cbrt (exp (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0)))))
  (log (cbrt (exp (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0))))
  (log (sqrt (exp (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0))))
  (log (sqrt (exp (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0))))
  0
  (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0)
  (/ 2.0 (+ 1.0 (exp (* -2.0 x))))
  1.0
  (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0)
  (* (cbrt (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0)) (cbrt (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0)))
  (sqrt (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0))
  1
  (+ (sqrt (/ 2.0 (+ 1.0 (exp (* -2.0 x))))) (sqrt 1.0))
  (+ (/ (sqrt 2.0) (sqrt (+ 1.0 (exp (* -2.0 x))))) (sqrt 1.0))
  1
  (log (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0))
  (exp (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0))
  (* (cbrt (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0)) (cbrt (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0)))
  (cbrt (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0))
  (pow (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0) 3)
  (sqrt (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0))
  (sqrt (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0))
  (exp (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0))
  (log (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0))
  (exp (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0))
  (* (cbrt (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0)) (cbrt (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0)))
  (cbrt (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0))
  (pow (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0) 3)
  (sqrt (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0))
  (sqrt (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0))
  (- (pow (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 3) (pow 1.0 3))
  (+ (* (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) (+ 1.0 (/ 2.0 (+ 1.0 (exp (* -2.0 x)))))) (* 1.0 1.0))
  (- 1.0)
  (- (* (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) (/ 2.0 (+ 1.0 (exp (* -2.0 x))))) (* 1.0 1.0))
  (+ (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0)
  (+ (sqrt (/ 2.0 (+ 1.0 (exp (* -2.0 x))))) (sqrt 1.0))
  (- (sqrt (/ 2.0 (+ 1.0 (exp (* -2.0 x))))) (sqrt 1.0))
  (+ (/ (sqrt 2.0) (sqrt (+ 1.0 (exp (* -2.0 x))))) (sqrt 1.0))
  (- (/ (sqrt 2.0) (sqrt (+ 1.0 (exp (* -2.0 x))))) (sqrt 1.0))
  (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0)
  (- 1.0)
  (exp (+ 1.0 (exp (* -2.0 x))))
  (log (+ 1.0 (exp (* -2.0 x))))
  (exp (+ 1.0 (exp (* -2.0 x))))
  (* (cbrt (+ 1.0 (exp (* -2.0 x)))) (cbrt (+ 1.0 (exp (* -2.0 x)))))
  (cbrt (+ 1.0 (exp (* -2.0 x))))
  (pow (+ 1.0 (exp (* -2.0 x))) 3)
  (sqrt (+ 1.0 (exp (* -2.0 x))))
  (sqrt (+ 1.0 (exp (* -2.0 x))))
  (+ (pow 1.0 3) (pow (exp (* -2.0 x)) 3))
  (+ (* (exp (* -2.0 x)) (- (exp (* -2.0 x)) 1.0)) (* 1.0 1.0))
  (- (* 1.0 1.0) (* (exp (* -2.0 x)) (exp (* -2.0 x))))
  (- 1.0 (exp (* -2.0 x)))
  (+ 1.0 (exp (* -2.0 x)))
  (log (/ 2.0 (+ 1.0 (exp (* -2.0 x)))))
  (log (/ 2.0 (+ 1.0 (exp (* -2.0 x)))))
  (exp (/ 2.0 (+ 1.0 (exp (* -2.0 x)))))
  (pow (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 3)
  (* (cbrt (/ 2.0 (+ 1.0 (exp (* -2.0 x))))) (cbrt (/ 2.0 (+ 1.0 (exp (* -2.0 x))))))
  (cbrt (/ 2.0 (+ 1.0 (exp (* -2.0 x)))))
  (pow (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 3)
  (sqrt (/ 2.0 (+ 1.0 (exp (* -2.0 x)))))
  (sqrt (/ 2.0 (+ 1.0 (exp (* -2.0 x)))))
  (- 2.0)
  (- (+ 1.0 (exp (* -2.0 x))))
  (/ (* (cbrt 2.0) (cbrt 2.0)) (* (cbrt (+ 1.0 (exp (* -2.0 x)))) (cbrt (+ 1.0 (exp (* -2.0 x))))))
  (/ (cbrt 2.0) (cbrt (+ 1.0 (exp (* -2.0 x)))))
  (/ (* (cbrt 2.0) (cbrt 2.0)) (sqrt (+ 1.0 (exp (* -2.0 x)))))
  (/ (cbrt 2.0) (sqrt (+ 1.0 (exp (* -2.0 x)))))
  (* (cbrt 2.0) (cbrt 2.0))
  (/ (cbrt 2.0) (+ 1.0 (exp (* -2.0 x))))
  (* (cbrt 2.0) (cbrt 2.0))
  (/ (cbrt 2.0) (+ 1.0 (exp (* -2.0 x))))
  (/ (sqrt 2.0) (* (cbrt (+ 1.0 (exp (* -2.0 x)))) (cbrt (+ 1.0 (exp (* -2.0 x))))))
  (/ (sqrt 2.0) (cbrt (+ 1.0 (exp (* -2.0 x)))))
  (/ (sqrt 2.0) (sqrt (+ 1.0 (exp (* -2.0 x)))))
  (/ (sqrt 2.0) (sqrt (+ 1.0 (exp (* -2.0 x)))))
  (sqrt 2.0)
  (/ (sqrt 2.0) (+ 1.0 (exp (* -2.0 x))))
  (sqrt 2.0)
  (/ (sqrt 2.0) (+ 1.0 (exp (* -2.0 x))))
  (/ 1 (* (cbrt (+ 1.0 (exp (* -2.0 x)))) (cbrt (+ 1.0 (exp (* -2.0 x))))))
  (/ 2.0 (cbrt (+ 1.0 (exp (* -2.0 x)))))
  (/ 1 (sqrt (+ 1.0 (exp (* -2.0 x)))))
  (/ 2.0 (sqrt (+ 1.0 (exp (* -2.0 x)))))
  1
  (/ 2.0 (+ 1.0 (exp (* -2.0 x))))
  1
  (/ 2.0 (+ 1.0 (exp (* -2.0 x))))
  (/ 1 (+ (exp (* -2.0 x)) 1.0))
  (/ (+ 1.0 (exp (* -2.0 x))) 2.0)
  (/ 2.0 (* (cbrt (+ 1.0 (exp (* -2.0 x)))) (cbrt (+ 1.0 (exp (* -2.0 x))))))
  (/ 2.0 (sqrt (+ 1.0 (exp (* -2.0 x)))))
  2.0
  2.0
  (/ (+ 1.0 (exp (* -2.0 x))) (cbrt 2.0))
  (/ (+ 1.0 (exp (* -2.0 x))) (sqrt 2.0))
  (/ (+ 1.0 (exp (* -2.0 x))) 2.0)
  (/ 2.0 (+ (pow 1.0 3) (pow (exp (* -2.0 x)) 3)))
  (/ 2.0 (- (* 1.0 1.0) (* (exp (* -2.0 x)) (exp (* -2.0 x)))))
  (- (* 1.0 x) (+ (* 5.551115123125783e-17 (pow x 4)) (* 0.33333333333333337 (pow x 3))))
  (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0)
  (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0)
  (- (* 1.0 x) (+ (* 5.551115123125783e-17 (pow x 4)) (* 0.33333333333333337 (pow x 3))))
  (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0)
  (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0)
  (* 2.0 (- (+ (pow x 2) 1) x))
  (+ 1.0 (exp (* -2.0 x)))
  (+ 1.0 (exp (* -2.0 x)))
  (- (+ 1.0 (* 1.0 x)) (* 0.33333333333333337 (pow x 3)))
  (/ 2.0 (+ 1.0 (exp (* -2.0 x))))
  (/ 2.0 (+ 1.0 (exp (* -2.0 x))))
0.862 * * * [progress]: adding candidates to table
1.062 * * [progress]: iteration 3 / 4
1.062 * * * [progress]: picking best candidate
1.064 * * * * [pick]: Picked  #<alt (λ (x y) (- (* 1.0 x) (+ (* 5.551115123125783e-17 (pow x 4)) (* 0.33333333333333337 (pow x 3)))))>
1.064 * * * [progress]: localizing error
1.078 * * * [progress]: generating rewritten candidates
1.079 * * * * [progress]: [ 1 / 3 ] rewriting at (2 2)
1.083 * * * * [progress]: [ 2 / 3 ] rewriting at (2 2 1)
1.088 * * * * [progress]: [ 3 / 3 ] rewriting at (2 2 2)
1.096 * * * [progress]: generating series expansions
1.096 * * * * [progress]: [ 1 / 3 ] generating series at (2 2)
1.096 * [approximate]: Taking taylor expansion of (+ (* 0.33333333333333337 (pow x 3)) (* 5.551115123125783e-17 (pow x 4))) in (x) around 0
1.096 * [taylor]: Taking taylor expansion of (+ (* 0.33333333333333337 (pow x 3)) (* 5.551115123125783e-17 (pow x 4))) in x
1.096 * [taylor]: Taking taylor expansion of (* 0.33333333333333337 (pow x 3)) in x
1.096 * [taylor]: Taking taylor expansion of 0.33333333333333337 in x
1.096 * [taylor]: Taking taylor expansion of (pow x 3) in x
1.096 * [taylor]: Taking taylor expansion of x in x
1.096 * [taylor]: Taking taylor expansion of (* 5.551115123125783e-17 (pow x 4)) in x
1.096 * [taylor]: Taking taylor expansion of 5.551115123125783e-17 in x
1.096 * [taylor]: Taking taylor expansion of (pow x 4) in x
1.096 * [taylor]: Taking taylor expansion of x in x
1.096 * [taylor]: Taking taylor expansion of (+ (* 0.33333333333333337 (pow x 3)) (* 5.551115123125783e-17 (pow x 4))) in x
1.096 * [taylor]: Taking taylor expansion of (* 0.33333333333333337 (pow x 3)) in x
1.096 * [taylor]: Taking taylor expansion of 0.33333333333333337 in x
1.096 * [taylor]: Taking taylor expansion of (pow x 3) in x
1.096 * [taylor]: Taking taylor expansion of x in x
1.096 * [taylor]: Taking taylor expansion of (* 5.551115123125783e-17 (pow x 4)) in x
1.096 * [taylor]: Taking taylor expansion of 5.551115123125783e-17 in x
1.096 * [taylor]: Taking taylor expansion of (pow x 4) in x
1.096 * [taylor]: Taking taylor expansion of x in x
1.124 * [approximate]: Taking taylor expansion of (+ (* 5.551115123125783e-17 (/ 1 (pow x 4))) (* 0.33333333333333337 (/ 1 (pow x 3)))) in (x) around 0
1.124 * [taylor]: Taking taylor expansion of (+ (* 5.551115123125783e-17 (/ 1 (pow x 4))) (* 0.33333333333333337 (/ 1 (pow x 3)))) in x
1.124 * [taylor]: Taking taylor expansion of (* 5.551115123125783e-17 (/ 1 (pow x 4))) in x
1.124 * [taylor]: Taking taylor expansion of 5.551115123125783e-17 in x
1.124 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
1.124 * [taylor]: Taking taylor expansion of (pow x 4) in x
1.124 * [taylor]: Taking taylor expansion of x in x
1.125 * [taylor]: Taking taylor expansion of (* 0.33333333333333337 (/ 1 (pow x 3))) in x
1.125 * [taylor]: Taking taylor expansion of 0.33333333333333337 in x
1.125 * [taylor]: Taking taylor expansion of (/ 1 (pow x 3)) in x
1.125 * [taylor]: Taking taylor expansion of (pow x 3) in x
1.125 * [taylor]: Taking taylor expansion of x in x
1.126 * [taylor]: Taking taylor expansion of (+ (* 5.551115123125783e-17 (/ 1 (pow x 4))) (* 0.33333333333333337 (/ 1 (pow x 3)))) in x
1.126 * [taylor]: Taking taylor expansion of (* 5.551115123125783e-17 (/ 1 (pow x 4))) in x
1.126 * [taylor]: Taking taylor expansion of 5.551115123125783e-17 in x
1.126 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
1.126 * [taylor]: Taking taylor expansion of (pow x 4) in x
1.126 * [taylor]: Taking taylor expansion of x in x
1.127 * [taylor]: Taking taylor expansion of (* 0.33333333333333337 (/ 1 (pow x 3))) in x
1.127 * [taylor]: Taking taylor expansion of 0.33333333333333337 in x
1.127 * [taylor]: Taking taylor expansion of (/ 1 (pow x 3)) in x
1.127 * [taylor]: Taking taylor expansion of (pow x 3) in x
1.127 * [taylor]: Taking taylor expansion of x in x
1.166 * [approximate]: Taking taylor expansion of (- (* 5.551115123125783e-17 (/ 1 (pow x 4))) (* 0.33333333333333337 (/ 1 (pow x 3)))) in (x) around 0
1.166 * [taylor]: Taking taylor expansion of (- (* 5.551115123125783e-17 (/ 1 (pow x 4))) (* 0.33333333333333337 (/ 1 (pow x 3)))) in x
1.166 * [taylor]: Taking taylor expansion of (* 5.551115123125783e-17 (/ 1 (pow x 4))) in x
1.166 * [taylor]: Taking taylor expansion of 5.551115123125783e-17 in x
1.166 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
1.166 * [taylor]: Taking taylor expansion of (pow x 4) in x
1.166 * [taylor]: Taking taylor expansion of x in x
1.167 * [taylor]: Taking taylor expansion of (* 0.33333333333333337 (/ 1 (pow x 3))) in x
1.167 * [taylor]: Taking taylor expansion of 0.33333333333333337 in x
1.167 * [taylor]: Taking taylor expansion of (/ 1 (pow x 3)) in x
1.167 * [taylor]: Taking taylor expansion of (pow x 3) in x
1.167 * [taylor]: Taking taylor expansion of x in x
1.168 * [taylor]: Taking taylor expansion of (- (* 5.551115123125783e-17 (/ 1 (pow x 4))) (* 0.33333333333333337 (/ 1 (pow x 3)))) in x
1.168 * [taylor]: Taking taylor expansion of (* 5.551115123125783e-17 (/ 1 (pow x 4))) in x
1.168 * [taylor]: Taking taylor expansion of 5.551115123125783e-17 in x
1.168 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
1.168 * [taylor]: Taking taylor expansion of (pow x 4) in x
1.168 * [taylor]: Taking taylor expansion of x in x
1.169 * [taylor]: Taking taylor expansion of (* 0.33333333333333337 (/ 1 (pow x 3))) in x
1.169 * [taylor]: Taking taylor expansion of 0.33333333333333337 in x
1.169 * [taylor]: Taking taylor expansion of (/ 1 (pow x 3)) in x
1.169 * [taylor]: Taking taylor expansion of (pow x 3) in x
1.169 * [taylor]: Taking taylor expansion of x in x
1.205 * * * * [progress]: [ 2 / 3 ] generating series at (2 2 1)
1.205 * [approximate]: Taking taylor expansion of (* 5.551115123125783e-17 (pow x 4)) in (x) around 0
1.205 * [taylor]: Taking taylor expansion of (* 5.551115123125783e-17 (pow x 4)) in x
1.205 * [taylor]: Taking taylor expansion of 5.551115123125783e-17 in x
1.205 * [taylor]: Taking taylor expansion of (pow x 4) in x
1.205 * [taylor]: Taking taylor expansion of x in x
1.205 * [taylor]: Taking taylor expansion of (* 5.551115123125783e-17 (pow x 4)) in x
1.205 * [taylor]: Taking taylor expansion of 5.551115123125783e-17 in x
1.205 * [taylor]: Taking taylor expansion of (pow x 4) in x
1.205 * [taylor]: Taking taylor expansion of x in x
1.217 * [approximate]: Taking taylor expansion of (/ 5.551115123125783e-17 (pow x 4)) in (x) around 0
1.217 * [taylor]: Taking taylor expansion of (/ 5.551115123125783e-17 (pow x 4)) in x
1.217 * [taylor]: Taking taylor expansion of 5.551115123125783e-17 in x
1.217 * [taylor]: Taking taylor expansion of (pow x 4) in x
1.217 * [taylor]: Taking taylor expansion of x in x
1.218 * [taylor]: Taking taylor expansion of (/ 5.551115123125783e-17 (pow x 4)) in x
1.218 * [taylor]: Taking taylor expansion of 5.551115123125783e-17 in x
1.218 * [taylor]: Taking taylor expansion of (pow x 4) in x
1.218 * [taylor]: Taking taylor expansion of x in x
1.229 * [approximate]: Taking taylor expansion of (/ 5.551115123125783e-17 (pow x 4)) in (x) around 0
1.229 * [taylor]: Taking taylor expansion of (/ 5.551115123125783e-17 (pow x 4)) in x
1.229 * [taylor]: Taking taylor expansion of 5.551115123125783e-17 in x
1.229 * [taylor]: Taking taylor expansion of (pow x 4) in x
1.229 * [taylor]: Taking taylor expansion of x in x
1.230 * [taylor]: Taking taylor expansion of (/ 5.551115123125783e-17 (pow x 4)) in x
1.230 * [taylor]: Taking taylor expansion of 5.551115123125783e-17 in x
1.230 * [taylor]: Taking taylor expansion of (pow x 4) in x
1.230 * [taylor]: Taking taylor expansion of x in x
1.246 * * * * [progress]: [ 3 / 3 ] generating series at (2 2 2)
1.246 * [approximate]: Taking taylor expansion of (* 0.33333333333333337 (pow x 3)) in (x) around 0
1.246 * [taylor]: Taking taylor expansion of (* 0.33333333333333337 (pow x 3)) in x
1.247 * [taylor]: Taking taylor expansion of 0.33333333333333337 in x
1.247 * [taylor]: Taking taylor expansion of (pow x 3) in x
1.247 * [taylor]: Taking taylor expansion of x in x
1.247 * [taylor]: Taking taylor expansion of (* 0.33333333333333337 (pow x 3)) in x
1.247 * [taylor]: Taking taylor expansion of 0.33333333333333337 in x
1.247 * [taylor]: Taking taylor expansion of (pow x 3) in x
1.247 * [taylor]: Taking taylor expansion of x in x
1.258 * [approximate]: Taking taylor expansion of (/ 0.33333333333333337 (pow x 3)) in (x) around 0
1.258 * [taylor]: Taking taylor expansion of (/ 0.33333333333333337 (pow x 3)) in x
1.258 * [taylor]: Taking taylor expansion of 0.33333333333333337 in x
1.258 * [taylor]: Taking taylor expansion of (pow x 3) in x
1.258 * [taylor]: Taking taylor expansion of x in x
1.259 * [taylor]: Taking taylor expansion of (/ 0.33333333333333337 (pow x 3)) in x
1.259 * [taylor]: Taking taylor expansion of 0.33333333333333337 in x
1.259 * [taylor]: Taking taylor expansion of (pow x 3) in x
1.259 * [taylor]: Taking taylor expansion of x in x
1.271 * [approximate]: Taking taylor expansion of (/ -0.33333333333333337 (pow x 3)) in (x) around 0
1.271 * [taylor]: Taking taylor expansion of (/ -0.33333333333333337 (pow x 3)) in x
1.271 * [taylor]: Taking taylor expansion of -0.33333333333333337 in x
1.271 * [taylor]: Taking taylor expansion of (pow x 3) in x
1.271 * [taylor]: Taking taylor expansion of x in x
1.271 * [taylor]: Taking taylor expansion of (/ -0.33333333333333337 (pow x 3)) in x
1.272 * [taylor]: Taking taylor expansion of -0.33333333333333337 in x
1.272 * [taylor]: Taking taylor expansion of (pow x 3) in x
1.272 * [taylor]: Taking taylor expansion of x in x
1.283 * * * [progress]: simplifying candidates
1.284 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* (exp (* 5.551115123125783e-17 (pow x 4))) (exp (* 0.33333333333333337 (pow x 3))))
  (log (+ (* 5.551115123125783e-17 (pow x 4)) (* 0.33333333333333337 (pow x 3))))
  (exp (+ (* 5.551115123125783e-17 (pow x 4)) (* 0.33333333333333337 (pow x 3))))
  (* (cbrt (+ (* 5.551115123125783e-17 (pow x 4)) (* 0.33333333333333337 (pow x 3)))) (cbrt (+ (* 5.551115123125783e-17 (pow x 4)) (* 0.33333333333333337 (pow x 3)))))
  (cbrt (+ (* 5.551115123125783e-17 (pow x 4)) (* 0.33333333333333337 (pow x 3))))
  (* (* (+ (* 5.551115123125783e-17 (pow x 4)) (* 0.33333333333333337 (pow x 3))) (+ (* 5.551115123125783e-17 (pow x 4)) (* 0.33333333333333337 (pow x 3)))) (+ (* 5.551115123125783e-17 (pow x 4)) (* 0.33333333333333337 (pow x 3))))
  (sqrt (+ (* 5.551115123125783e-17 (pow x 4)) (* 0.33333333333333337 (pow x 3))))
  (sqrt (+ (* 5.551115123125783e-17 (pow x 4)) (* 0.33333333333333337 (pow x 3))))
  (+ (pow (* 5.551115123125783e-17 (pow x 4)) 3) (pow (* 0.33333333333333337 (pow x 3)) 3))
  (+ (* (* 5.551115123125783e-17 (pow x 4)) (* 5.551115123125783e-17 (pow x 4))) (- (* (* 0.33333333333333337 (pow x 3)) (* 0.33333333333333337 (pow x 3))) (* (* 5.551115123125783e-17 (pow x 4)) (* 0.33333333333333337 (pow x 3)))))
  (- (* (* 5.551115123125783e-17 (pow x 4)) (* 5.551115123125783e-17 (pow x 4))) (* (* 0.33333333333333337 (pow x 3)) (* 0.33333333333333337 (pow x 3))))
  (- (* 5.551115123125783e-17 (pow x 4)) (* 0.33333333333333337 (pow x 3)))
  (+ (log 5.551115123125783e-17) (* (log x) 4))
  (+ (log 5.551115123125783e-17) (* (log x) 4))
  (+ (log 5.551115123125783e-17) (log (pow x 4)))
  (log (* 5.551115123125783e-17 (pow x 4)))
  (exp (* 5.551115123125783e-17 (pow x 4)))
  (* (* (* 5.551115123125783e-17 5.551115123125783e-17) 5.551115123125783e-17) (* (* (pow x 4) (pow x 4)) (pow x 4)))
  (* (cbrt (* 5.551115123125783e-17 (pow x 4))) (cbrt (* 5.551115123125783e-17 (pow x 4))))
  (cbrt (* 5.551115123125783e-17 (pow x 4)))
  (* (* (* 5.551115123125783e-17 (pow x 4)) (* 5.551115123125783e-17 (pow x 4))) (* 5.551115123125783e-17 (pow x 4)))
  (sqrt (* 5.551115123125783e-17 (pow x 4)))
  (sqrt (* 5.551115123125783e-17 (pow x 4)))
  (* (sqrt 5.551115123125783e-17) (pow (sqrt x) 4))
  (* (sqrt 5.551115123125783e-17) (pow (sqrt x) 4))
  (* (sqrt 5.551115123125783e-17) (sqrt (pow x 4)))
  (* (sqrt 5.551115123125783e-17) (sqrt (pow x 4)))
  (* (sqrt 5.551115123125783e-17) (pow x (/ 4 2)))
  (* (sqrt 5.551115123125783e-17) (pow x (/ 4 2)))
  (* 5.551115123125783e-17 (pow (* (cbrt x) (cbrt x)) 4))
  (* 5.551115123125783e-17 (pow (sqrt x) 4))
  (* 5.551115123125783e-17 (pow 1 4))
  (* 5.551115123125783e-17 (* (cbrt (pow x 4)) (cbrt (pow x 4))))
  (* 5.551115123125783e-17 (sqrt (pow x 4)))
  (* 5.551115123125783e-17 1)
  (* 5.551115123125783e-17 (pow x (/ 4 2)))
  (* (cbrt 5.551115123125783e-17) (pow x 4))
  (* (sqrt 5.551115123125783e-17) (pow x 4))
  (* 5.551115123125783e-17 (pow x 4))
  (+ (log 0.33333333333333337) (* (log x) 3))
  (+ (log 0.33333333333333337) (* (log x) 3))
  (+ (log 0.33333333333333337) (log (pow x 3)))
  (log (* 0.33333333333333337 (pow x 3)))
  (exp (* 0.33333333333333337 (pow x 3)))
  (* (* (* 0.33333333333333337 0.33333333333333337) 0.33333333333333337) (* (* (pow x 3) (pow x 3)) (pow x 3)))
  (* (cbrt (* 0.33333333333333337 (pow x 3))) (cbrt (* 0.33333333333333337 (pow x 3))))
  (cbrt (* 0.33333333333333337 (pow x 3)))
  (* (* (* 0.33333333333333337 (pow x 3)) (* 0.33333333333333337 (pow x 3))) (* 0.33333333333333337 (pow x 3)))
  (sqrt (* 0.33333333333333337 (pow x 3)))
  (sqrt (* 0.33333333333333337 (pow x 3)))
  (* (sqrt 0.33333333333333337) (pow (sqrt x) 3))
  (* (sqrt 0.33333333333333337) (pow (sqrt x) 3))
  (* (sqrt 0.33333333333333337) (pow (sqrt x) 3))
  (* (sqrt 0.33333333333333337) (pow (sqrt x) 3))
  (* (sqrt 0.33333333333333337) (sqrt (pow x 3)))
  (* (sqrt 0.33333333333333337) (sqrt (pow x 3)))
  (* (sqrt 0.33333333333333337) (pow x (/ 3 2)))
  (* (sqrt 0.33333333333333337) (pow x (/ 3 2)))
  (* 0.33333333333333337 (pow (* (cbrt x) (cbrt x)) 3))
  (* 0.33333333333333337 (pow (sqrt x) 3))
  (* 0.33333333333333337 (pow 1 3))
  (* 0.33333333333333337 (* x x))
  (* 0.33333333333333337 (* (cbrt (pow x 3)) (cbrt (pow x 3))))
  (* 0.33333333333333337 (pow (* (cbrt x) (cbrt x)) 3))
  (* 0.33333333333333337 (pow (sqrt x) 3))
  (* 0.33333333333333337 (pow 1 3))
  (* 0.33333333333333337 x)
  (* 0.33333333333333337 (sqrt (pow x 3)))
  (* 0.33333333333333337 1)
  (* 0.33333333333333337 (pow x (/ 3 2)))
  (* (cbrt 0.33333333333333337) (pow x 3))
  (* (sqrt 0.33333333333333337) (pow x 3))
  (* 0.33333333333333337 (pow x 3))
  (+ (* 0.33333333333333337 (pow x 3)) (* 5.551115123125783e-17 (pow x 4)))
  (+ (* 0.33333333333333337 (pow x 3)) (* 5.551115123125783e-17 (pow x 4)))
  (+ (* 0.33333333333333337 (pow x 3)) (* 5.551115123125783e-17 (pow x 4)))
  (* 5.551115123125783e-17 (pow x 4))
  (* 5.551115123125783e-17 (pow x 4))
  (* 5.551115123125783e-17 (pow x 4))
  (* 0.33333333333333337 (pow x 3))
  (* 0.33333333333333337 (pow x 3))
  (* 0.33333333333333337 (pow x 3))
1.288 * * [simplify]: iteration  0 :  268  enodes  (cost  323 )
1.294 * * [simplify]: iteration  1 :  1157  enodes  (cost  293 )
1.324 * * [simplify]: iteration  2 :  5001  enodes  (cost  293 )
1.326 * [simplify]: Simplified to:
   (exp (+ (* 5.551115123125783e-17 (pow x 4)) (* 0.33333333333333337 (pow x 3))))
  (log (+ (* 5.551115123125783e-17 (pow x 4)) (* 0.33333333333333337 (pow x 3))))
  (exp (+ (* 5.551115123125783e-17 (pow x 4)) (* 0.33333333333333337 (pow x 3))))
  (* (cbrt (+ (* 5.551115123125783e-17 (pow x 4)) (* 0.33333333333333337 (pow x 3)))) (cbrt (+ (* 5.551115123125783e-17 (pow x 4)) (* 0.33333333333333337 (pow x 3)))))
  (cbrt (+ (* 5.551115123125783e-17 (pow x 4)) (* 0.33333333333333337 (pow x 3))))
  (pow (+ (* 5.551115123125783e-17 (pow x 4)) (* 0.33333333333333337 (pow x 3))) 3)
  (sqrt (+ (* 5.551115123125783e-17 (pow x 4)) (* 0.33333333333333337 (pow x 3))))
  (sqrt (+ (* 5.551115123125783e-17 (pow x 4)) (* 0.33333333333333337 (pow x 3))))
  (+ (pow (* 5.551115123125783e-17 (pow x 4)) 3) (pow (* 0.33333333333333337 (pow x 3)) 3))
  (- (* (pow x 6) (* 0.33333333333333337 0.33333333333333337)) (- (* (* 5.551115123125783e-17 (pow x 4)) (* 0.33333333333333337 (pow x 3))) (* (pow x 8) (* 5.551115123125783e-17 5.551115123125783e-17))))
  (+ (* (- (* 0.33333333333333337 0.33333333333333337)) (pow x 6)) (* (pow x 8) (* 5.551115123125783e-17 5.551115123125783e-17)))
  (- (* 5.551115123125783e-17 (pow x 4)) (* 0.33333333333333337 (pow x 3)))
  (log (* 5.551115123125783e-17 (pow x 4)))
  (log (* 5.551115123125783e-17 (pow x 4)))
  (log (* 5.551115123125783e-17 (pow x 4)))
  (log (* 5.551115123125783e-17 (pow x 4)))
  (exp (* 5.551115123125783e-17 (pow x 4)))
  (pow (* 5.551115123125783e-17 (pow x 4)) 3)
  (* (cbrt (* 5.551115123125783e-17 (pow x 4))) (cbrt (* 5.551115123125783e-17 (pow x 4))))
  (cbrt (* 5.551115123125783e-17 (pow x 4)))
  (pow (* 5.551115123125783e-17 (pow x 4)) 3)
  (sqrt (* 5.551115123125783e-17 (pow x 4)))
  (sqrt (* 5.551115123125783e-17 (pow x 4)))
  (* (sqrt 5.551115123125783e-17) (pow x 2))
  (* (sqrt 5.551115123125783e-17) (pow x 2))
  (* (sqrt 5.551115123125783e-17) (sqrt (pow x 4)))
  (* (sqrt 5.551115123125783e-17) (sqrt (pow x 4)))
  (* (sqrt 5.551115123125783e-17) (pow x 2))
  (* (sqrt 5.551115123125783e-17) (pow x 2))
  (* 5.551115123125783e-17 (pow (* (cbrt x) (cbrt x)) 4))
  (* 5.551115123125783e-17 (pow x 2))
  5.551115123125783e-17
  (* 5.551115123125783e-17 (* (cbrt (pow x 4)) (cbrt (pow x 4))))
  (* 5.551115123125783e-17 (sqrt (pow x 4)))
  5.551115123125783e-17
  (* 5.551115123125783e-17 (pow x 2))
  (* (cbrt 5.551115123125783e-17) (pow x 4))
  (* (sqrt 5.551115123125783e-17) (pow x 4))
  (* 5.551115123125783e-17 (pow x 4))
  (log (* 0.33333333333333337 (pow x 3)))
  (log (* 0.33333333333333337 (pow x 3)))
  (log (* 0.33333333333333337 (pow x 3)))
  (log (* 0.33333333333333337 (pow x 3)))
  (exp (* 0.33333333333333337 (pow x 3)))
  (pow (* 0.33333333333333337 (pow x 3)) 3)
  (* (cbrt (* 0.33333333333333337 (pow x 3))) (cbrt (* 0.33333333333333337 (pow x 3))))
  (cbrt (* 0.33333333333333337 (pow x 3)))
  (pow (* 0.33333333333333337 (pow x 3)) 3)
  (sqrt (* 0.33333333333333337 (pow x 3)))
  (sqrt (* 0.33333333333333337 (pow x 3)))
  (* (sqrt 0.33333333333333337) (pow (sqrt x) 3))
  (* (sqrt 0.33333333333333337) (pow (sqrt x) 3))
  (* (sqrt 0.33333333333333337) (pow (sqrt x) 3))
  (* (sqrt 0.33333333333333337) (pow (sqrt x) 3))
  (* (sqrt 0.33333333333333337) (sqrt (pow x 3)))
  (* (sqrt 0.33333333333333337) (sqrt (pow x 3)))
  (* (sqrt 0.33333333333333337) (pow x 3/2))
  (* (sqrt 0.33333333333333337) (pow x 3/2))
  (* (* 0.33333333333333337 x) x)
  (* 0.33333333333333337 (pow (sqrt x) 3))
  0.33333333333333337
  (* (* 0.33333333333333337 x) x)
  (* (* 0.33333333333333337 x) x)
  (* (* 0.33333333333333337 x) x)
  (* 0.33333333333333337 (pow (sqrt x) 3))
  0.33333333333333337
  (* 0.33333333333333337 x)
  (* 0.33333333333333337 (sqrt (pow x 3)))
  0.33333333333333337
  (* 0.33333333333333337 (pow x 3/2))
  (* (cbrt 0.33333333333333337) (pow x 3))
  (* (sqrt 0.33333333333333337) (pow x 3))
  (* 0.33333333333333337 (pow x 3))
  (+ (* 5.551115123125783e-17 (pow x 4)) (* 0.33333333333333337 (pow x 3)))
  (+ (* 5.551115123125783e-17 (pow x 4)) (* 0.33333333333333337 (pow x 3)))
  (+ (* 5.551115123125783e-17 (pow x 4)) (* 0.33333333333333337 (pow x 3)))
  (* 5.551115123125783e-17 (pow x 4))
  (* 5.551115123125783e-17 (pow x 4))
  (* 5.551115123125783e-17 (pow x 4))
  (* 0.33333333333333337 (pow x 3))
  (* 0.33333333333333337 (pow x 3))
  (* 0.33333333333333337 (pow x 3))
1.327 * * * [progress]: adding candidates to table
1.490 * [progress]: [Phase 3 of 3] Extracting.
1.490 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (log (exp (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0))))> #<alt (λ (x y) (- (* 1.0 x) (+ (* 5.551115123125783e-17 (pow x 4)) (* 0.33333333333333337 (pow x 3)))))>)
1.491 * * * [regime-changes]: Trying 7 branch expressions: ((* -2.0 x) (exp (* -2.0 x)) (+ 1.0 (exp (* -2.0 x))) (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0) y x)
1.491 * * * * [regimes]: Trying to branch on (* -2.0 x) from (#<alt (λ (x y) (log (exp (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0))))> #<alt (λ (x y) (- (* 1.0 x) (+ (* 5.551115123125783e-17 (pow x 4)) (* 0.33333333333333337 (pow x 3)))))>)
1.513 * * * * [regimes]: Trying to branch on (exp (* -2.0 x)) from (#<alt (λ (x y) (log (exp (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0))))> #<alt (λ (x y) (- (* 1.0 x) (+ (* 5.551115123125783e-17 (pow x 4)) (* 0.33333333333333337 (pow x 3)))))>)
1.531 * * * * [regimes]: Trying to branch on (+ 1.0 (exp (* -2.0 x))) from (#<alt (λ (x y) (log (exp (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0))))> #<alt (λ (x y) (- (* 1.0 x) (+ (* 5.551115123125783e-17 (pow x 4)) (* 0.33333333333333337 (pow x 3)))))>)
1.552 * * * * [regimes]: Trying to branch on (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) from (#<alt (λ (x y) (log (exp (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0))))> #<alt (λ (x y) (- (* 1.0 x) (+ (* 5.551115123125783e-17 (pow x 4)) (* 0.33333333333333337 (pow x 3)))))>)
1.571 * * * * [regimes]: Trying to branch on (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0) from (#<alt (λ (x y) (log (exp (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0))))> #<alt (λ (x y) (- (* 1.0 x) (+ (* 5.551115123125783e-17 (pow x 4)) (* 0.33333333333333337 (pow x 3)))))>)
1.590 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (log (exp (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0))))> #<alt (λ (x y) (- (* 1.0 x) (+ (* 5.551115123125783e-17 (pow x 4)) (* 0.33333333333333337 (pow x 3)))))>)
1.626 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (log (exp (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0))))> #<alt (λ (x y) (- (* 1.0 x) (+ (* 5.551115123125783e-17 (pow x 4)) (* 0.33333333333333337 (pow x 3)))))>)
1.646 * * * [regime]: Found split indices: #<option (#s(si 0 74) #s(si 1 196) #s(si 0 255))>
1.647 * [binary-search]: Only using regimes for bounds on (* -2.0 x) and (#<alt (λ (x y) (log (exp (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0))))> #<alt (λ (x y) (- (* 1.0 x) (+ (* 5.551115123125783e-17 (pow x 4)) (* 0.33333333333333337 (pow x 3)))))>)
1.648 * [regimes]: Found splitpoints: (#s(sp 0 (* -2.0 x) -0.13145107750704835) #s(sp 1 (* -2.0 x) 5.1372741302039926e-14) #s(sp 0 (* -2.0 x) +nan.0)) , with alts (#<alt (λ (x y) (log (exp (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0))))> #<alt (λ (x y) (- (* 1.0 x) (+ (* 5.551115123125783e-17 (pow x 4)) (* 0.33333333333333337 (pow x 3)))))>)
1.648 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (if (<= (* -2.0 x) -0.13145107750704835) (log (exp (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0))) (if (<= (* -2.0 x) 5.1372741302039926e-14) (- (* 1.0 x) (+ (* 5.551115123125783e-17 (pow x 4)) (* 0.33333333333333337 (pow x 3)))) (log (exp (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0)))))
1.649 * * [simplify]: iteration  0 :  37  enodes  (cost  16 )
1.649 * * [simplify]: iteration  1 :  37  enodes  (cost  16 )
1.649 * [simplify]: Simplified to:
   (if (or (<= (* -2.0 x) -0.13145107750704835) (not (<= (* -2.0 x) 5.1372741302039926e-14))) (log (exp (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0))) (- (* 1.0 x) (+ (* 5.551115123125783e-17 (pow x 4)) (* 0.33333333333333337 (pow x 3)))))
2.710 * [regime-testing]: Baseline error score: 29.122637752371894
2.711 * [regime-testing]: Oracle error score: 0.02847318398333299
2.712 * [regime-testing]: End program error score: 0.23484658911203665