17.424 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.032 * * * [progress]: [2/2] Setting up program.
0.034 * [progress]: [Phase 2 of 3] Improving.
0.034 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0)
0.037 * * [simplify]: iteration  0 :  15  enodes  (cost  5 )
0.038 * * [simplify]: iteration  1 :  22  enodes  (cost  5 )
0.040 * * [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 )
0.054 * * [simplify]: iteration  6 :  1627  enodes  (cost  5 )
0.099 * * [simplify]: iteration  7 :  5002  enodes  (cost  5 )
0.099 * [simplify]: Simplified to:
   (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0)
0.099 * * [progress]: iteration 1 / 4
0.099 * * * [progress]: picking best candidate
0.101 * * * * [pick]: Picked  #<alt (λ (x y) (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0))>
0.101 * * * [progress]: localizing error
0.108 * * * [progress]: generating rewritten candidates
0.108 * * * * [progress]: [ 1 / 3 ] rewriting at (2)
0.141 * * * * [progress]: [ 2 / 3 ] rewriting at (2 1 2)
0.144 * * * * [progress]: [ 3 / 3 ] rewriting at (2 1)
0.151 * * * [progress]: generating series expansions
0.151 * * * * [progress]: [ 1 / 3 ] generating series at (2)
0.151 * [approximate]: Taking taylor expansion of (- (* 2.0 (/ 1 (+ (exp (* -2.0 x)) 1.0))) 1.0) in (x) around 0
0.151 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (+ (exp (* -2.0 x)) 1.0))) 1.0) in x
0.151 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (+ (exp (* -2.0 x)) 1.0))) in x
0.151 * [taylor]: Taking taylor expansion of 2.0 in x
0.151 * [taylor]: Taking taylor expansion of (/ 1 (+ (exp (* -2.0 x)) 1.0)) in x
0.151 * [taylor]: Taking taylor expansion of (+ (exp (* -2.0 x)) 1.0) in x
0.151 * [taylor]: Taking taylor expansion of (exp (* -2.0 x)) in x
0.152 * [taylor]: Taking taylor expansion of (* -2.0 x) in x
0.152 * [taylor]: Taking taylor expansion of -2.0 in x
0.152 * [taylor]: Taking taylor expansion of x in x
0.153 * [taylor]: Taking taylor expansion of 1.0 in x
0.154 * [taylor]: Taking taylor expansion of 1.0 in x
0.154 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (+ (exp (* -2.0 x)) 1.0))) 1.0) in x
0.154 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (+ (exp (* -2.0 x)) 1.0))) in x
0.154 * [taylor]: Taking taylor expansion of 2.0 in x
0.154 * [taylor]: Taking taylor expansion of (/ 1 (+ (exp (* -2.0 x)) 1.0)) in x
0.154 * [taylor]: Taking taylor expansion of (+ (exp (* -2.0 x)) 1.0) in x
0.154 * [taylor]: Taking taylor expansion of (exp (* -2.0 x)) in x
0.154 * [taylor]: Taking taylor expansion of (* -2.0 x) in x
0.154 * [taylor]: Taking taylor expansion of -2.0 in x
0.154 * [taylor]: Taking taylor expansion of x in x
0.155 * [taylor]: Taking taylor expansion of 1.0 in x
0.156 * [taylor]: Taking taylor expansion of 1.0 in x
0.204 * [approximate]: Taking taylor expansion of (- (* 2.0 (/ 1 (+ (exp (/ -2.0 x)) 1.0))) 1.0) in (x) around 0
0.205 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (+ (exp (/ -2.0 x)) 1.0))) 1.0) in x
0.205 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (+ (exp (/ -2.0 x)) 1.0))) in x
0.205 * [taylor]: Taking taylor expansion of 2.0 in x
0.205 * [taylor]: Taking taylor expansion of (/ 1 (+ (exp (/ -2.0 x)) 1.0)) in x
0.205 * [taylor]: Taking taylor expansion of (+ (exp (/ -2.0 x)) 1.0) in x
0.205 * [taylor]: Taking taylor expansion of (exp (/ -2.0 x)) in x
0.205 * [taylor]: Taking taylor expansion of (/ -2.0 x) in x
0.205 * [taylor]: Taking taylor expansion of -2.0 in x
0.205 * [taylor]: Taking taylor expansion of x in x
0.205 * [taylor]: Taking taylor expansion of 1.0 in x
0.205 * [taylor]: Taking taylor expansion of 1.0 in x
0.205 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (+ (exp (/ -2.0 x)) 1.0))) 1.0) in x
0.205 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (+ (exp (/ -2.0 x)) 1.0))) in x
0.205 * [taylor]: Taking taylor expansion of 2.0 in x
0.205 * [taylor]: Taking taylor expansion of (/ 1 (+ (exp (/ -2.0 x)) 1.0)) in x
0.205 * [taylor]: Taking taylor expansion of (+ (exp (/ -2.0 x)) 1.0) in x
0.205 * [taylor]: Taking taylor expansion of (exp (/ -2.0 x)) in x
0.205 * [taylor]: Taking taylor expansion of (/ -2.0 x) in x
0.205 * [taylor]: Taking taylor expansion of -2.0 in x
0.205 * [taylor]: Taking taylor expansion of x in x
0.206 * [taylor]: Taking taylor expansion of 1.0 in x
0.206 * [taylor]: Taking taylor expansion of 1.0 in x
0.218 * [approximate]: Taking taylor expansion of (- (* 2.0 (/ 1 (+ (exp (/ 2.0 x)) 1.0))) 1.0) in (x) around 0
0.218 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (+ (exp (/ 2.0 x)) 1.0))) 1.0) in x
0.218 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (+ (exp (/ 2.0 x)) 1.0))) in x
0.218 * [taylor]: Taking taylor expansion of 2.0 in x
0.218 * [taylor]: Taking taylor expansion of (/ 1 (+ (exp (/ 2.0 x)) 1.0)) in x
0.218 * [taylor]: Taking taylor expansion of (+ (exp (/ 2.0 x)) 1.0) in x
0.218 * [taylor]: Taking taylor expansion of (exp (/ 2.0 x)) in x
0.218 * [taylor]: Taking taylor expansion of (/ 2.0 x) in x
0.218 * [taylor]: Taking taylor expansion of 2.0 in x
0.218 * [taylor]: Taking taylor expansion of x in x
0.219 * [taylor]: Taking taylor expansion of 1.0 in x
0.219 * [taylor]: Taking taylor expansion of 1.0 in x
0.219 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (+ (exp (/ 2.0 x)) 1.0))) 1.0) in x
0.219 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (+ (exp (/ 2.0 x)) 1.0))) in x
0.219 * [taylor]: Taking taylor expansion of 2.0 in x
0.219 * [taylor]: Taking taylor expansion of (/ 1 (+ (exp (/ 2.0 x)) 1.0)) in x
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
0.219 * [taylor]: Taking taylor expansion of 1.0 in x
0.219 * [taylor]: Taking taylor expansion of 1.0 in x
0.231 * * * * [progress]: [ 2 / 3 ] generating series at (2 1 2)
0.231 * [approximate]: Taking taylor expansion of (+ (exp (* -2.0 x)) 1.0) in (x) around 0
0.231 * [taylor]: Taking taylor expansion of (+ (exp (* -2.0 x)) 1.0) in x
0.231 * [taylor]: Taking taylor expansion of (exp (* -2.0 x)) in x
0.231 * [taylor]: Taking taylor expansion of (* -2.0 x) in x
0.231 * [taylor]: Taking taylor expansion of -2.0 in x
0.231 * [taylor]: Taking taylor expansion of x in x
0.233 * [taylor]: Taking taylor expansion of 1.0 in x
0.233 * [taylor]: Taking taylor expansion of (+ (exp (* -2.0 x)) 1.0) in x
0.233 * [taylor]: Taking taylor expansion of (exp (* -2.0 x)) in x
0.233 * [taylor]: Taking taylor expansion of (* -2.0 x) in x
0.233 * [taylor]: Taking taylor expansion of -2.0 in x
0.233 * [taylor]: Taking taylor expansion of x in x
0.234 * [taylor]: Taking taylor expansion of 1.0 in x
0.242 * [approximate]: Taking taylor expansion of (+ (exp (/ -2.0 x)) 1.0) in (x) around 0
0.242 * [taylor]: Taking taylor expansion of (+ (exp (/ -2.0 x)) 1.0) in x
0.242 * [taylor]: Taking taylor expansion of (exp (/ -2.0 x)) in x
0.242 * [taylor]: Taking taylor expansion of (/ -2.0 x) in x
0.242 * [taylor]: Taking taylor expansion of -2.0 in x
0.242 * [taylor]: Taking taylor expansion of x in x
0.243 * [taylor]: Taking taylor expansion of 1.0 in x
0.243 * [taylor]: Taking taylor expansion of (+ (exp (/ -2.0 x)) 1.0) in x
0.243 * [taylor]: Taking taylor expansion of (exp (/ -2.0 x)) in x
0.243 * [taylor]: Taking taylor expansion of (/ -2.0 x) in x
0.243 * [taylor]: Taking taylor expansion of -2.0 in x
0.243 * [taylor]: Taking taylor expansion of x in x
0.243 * [taylor]: Taking taylor expansion of 1.0 in x
0.245 * [approximate]: Taking taylor expansion of (+ (exp (/ 2.0 x)) 1.0) in (x) around 0
0.245 * [taylor]: Taking taylor expansion of (+ (exp (/ 2.0 x)) 1.0) in x
0.245 * [taylor]: Taking taylor expansion of (exp (/ 2.0 x)) in x
0.245 * [taylor]: Taking taylor expansion of (/ 2.0 x) in x
0.245 * [taylor]: Taking taylor expansion of 2.0 in x
0.245 * [taylor]: Taking taylor expansion of x in x
0.245 * [taylor]: Taking taylor expansion of 1.0 in x
0.245 * [taylor]: Taking taylor expansion of (+ (exp (/ 2.0 x)) 1.0) in x
0.245 * [taylor]: Taking taylor expansion of (exp (/ 2.0 x)) in x
0.245 * [taylor]: Taking taylor expansion of (/ 2.0 x) in x
0.245 * [taylor]: Taking taylor expansion of 2.0 in x
0.245 * [taylor]: Taking taylor expansion of x in x
0.245 * [taylor]: Taking taylor expansion of 1.0 in x
0.247 * * * * [progress]: [ 3 / 3 ] generating series at (2 1)
0.247 * [approximate]: Taking taylor expansion of (/ 2.0 (+ (exp (* -2.0 x)) 1.0)) in (x) around 0
0.247 * [taylor]: Taking taylor expansion of (/ 2.0 (+ (exp (* -2.0 x)) 1.0)) in x
0.247 * [taylor]: Taking taylor expansion of 2.0 in x
0.247 * [taylor]: Taking taylor expansion of (+ (exp (* -2.0 x)) 1.0) in x
0.247 * [taylor]: Taking taylor expansion of (exp (* -2.0 x)) in x
0.247 * [taylor]: Taking taylor expansion of (* -2.0 x) in x
0.247 * [taylor]: Taking taylor expansion of -2.0 in x
0.247 * [taylor]: Taking taylor expansion of x in x
0.248 * [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
0.249 * [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
0.253 * [taylor]: Taking taylor expansion of 1.0 in x
0.276 * [approximate]: Taking taylor expansion of (/ 2.0 (+ (exp (/ -2.0 x)) 1.0)) in (x) around 0
0.276 * [taylor]: Taking taylor expansion of (/ 2.0 (+ (exp (/ -2.0 x)) 1.0)) in x
0.276 * [taylor]: Taking taylor expansion of 2.0 in x
0.276 * [taylor]: Taking taylor expansion of (+ (exp (/ -2.0 x)) 1.0) in x
0.276 * [taylor]: Taking taylor expansion of (exp (/ -2.0 x)) in x
0.276 * [taylor]: Taking taylor expansion of (/ -2.0 x) in x
0.276 * [taylor]: Taking taylor expansion of -2.0 in x
0.276 * [taylor]: Taking taylor expansion of x in x
0.276 * [taylor]: Taking taylor expansion of 1.0 in x
0.277 * [taylor]: Taking taylor expansion of (/ 2.0 (+ (exp (/ -2.0 x)) 1.0)) in x
0.277 * [taylor]: Taking taylor expansion of 2.0 in x
0.277 * [taylor]: Taking taylor expansion of (+ (exp (/ -2.0 x)) 1.0) in x
0.277 * [taylor]: Taking taylor expansion of (exp (/ -2.0 x)) in x
0.277 * [taylor]: Taking taylor expansion of (/ -2.0 x) in x
0.277 * [taylor]: Taking taylor expansion of -2.0 in x
0.277 * [taylor]: Taking taylor expansion of x in x
0.277 * [taylor]: Taking taylor expansion of 1.0 in x
0.281 * [approximate]: Taking taylor expansion of (/ 2.0 (+ (exp (/ 2.0 x)) 1.0)) in (x) around 0
0.281 * [taylor]: Taking taylor expansion of (/ 2.0 (+ (exp (/ 2.0 x)) 1.0)) in x
0.281 * [taylor]: Taking taylor expansion of 2.0 in x
0.281 * [taylor]: Taking taylor expansion of (+ (exp (/ 2.0 x)) 1.0) in x
0.281 * [taylor]: Taking taylor expansion of (exp (/ 2.0 x)) in x
0.281 * [taylor]: Taking taylor expansion of (/ 2.0 x) in x
0.281 * [taylor]: Taking taylor expansion of 2.0 in x
0.281 * [taylor]: Taking taylor expansion of x in x
0.281 * [taylor]: Taking taylor expansion of 1.0 in x
0.281 * [taylor]: Taking taylor expansion of (/ 2.0 (+ (exp (/ 2.0 x)) 1.0)) in x
0.281 * [taylor]: Taking taylor expansion of 2.0 in x
0.281 * [taylor]: Taking taylor expansion of (+ (exp (/ 2.0 x)) 1.0) in x
0.281 * [taylor]: Taking taylor expansion of (exp (/ 2.0 x)) in x
0.281 * [taylor]: Taking taylor expansion of (/ 2.0 x) in x
0.281 * [taylor]: Taking taylor expansion of 2.0 in x
0.281 * [taylor]: Taking taylor expansion of x in x
0.282 * [taylor]: Taking taylor expansion of 1.0 in x
0.285 * * * [progress]: simplifying candidates
0.286 * [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))
0.291 * * [simplify]: iteration  0 :  251  enodes  (cost  494 )
0.295 * * [simplify]: iteration  1 :  731  enodes  (cost  465 )
0.307 * * [simplify]: iteration  2 :  2785  enodes  (cost  460 )
0.372 * * [simplify]: iteration  3 :  5002  enodes  (cost  460 )
0.374 * [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))
0.375 * * * [progress]: adding candidates to table
0.509 * * [progress]: iteration 2 / 4
0.509 * * * [progress]: picking best candidate
0.513 * * * * [pick]: Picked  #<alt (λ (x y) (log (exp (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0))))>
0.513 * * * [progress]: localizing error
0.523 * * * [progress]: generating rewritten candidates
0.523 * * * * [progress]: [ 1 / 4 ] rewriting at (2 1 1)
0.556 * * * * [progress]: [ 2 / 4 ] rewriting at (2)
0.635 * * * * [progress]: [ 3 / 4 ] rewriting at (2 1 1 1 2)
0.639 * * * * [progress]: [ 4 / 4 ] rewriting at (2 1 1 1)
0.647 * * * [progress]: generating series expansions
0.647 * * * * [progress]: [ 1 / 4 ] generating series at (2 1 1)
0.648 * [approximate]: Taking taylor expansion of (- (* 2.0 (/ 1 (+ (exp (* -2.0 x)) 1.0))) 1.0) in (x) around 0
0.648 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (+ (exp (* -2.0 x)) 1.0))) 1.0) in x
0.648 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (+ (exp (* -2.0 x)) 1.0))) in x
0.648 * [taylor]: Taking taylor expansion of 2.0 in x
0.648 * [taylor]: Taking taylor expansion of (/ 1 (+ (exp (* -2.0 x)) 1.0)) in x
0.648 * [taylor]: Taking taylor expansion of (+ (exp (* -2.0 x)) 1.0) in x
0.648 * [taylor]: Taking taylor expansion of (exp (* -2.0 x)) in x
0.648 * [taylor]: Taking taylor expansion of (* -2.0 x) in x
0.648 * [taylor]: Taking taylor expansion of -2.0 in x
0.648 * [taylor]: Taking taylor expansion of x in x
0.649 * [taylor]: Taking taylor expansion of 1.0 in x
0.650 * [taylor]: Taking taylor expansion of 1.0 in x
0.650 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (+ (exp (* -2.0 x)) 1.0))) 1.0) in x
0.650 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (+ (exp (* -2.0 x)) 1.0))) in x
0.650 * [taylor]: Taking taylor expansion of 2.0 in x
0.650 * [taylor]: Taking taylor expansion of (/ 1 (+ (exp (* -2.0 x)) 1.0)) in x
0.650 * [taylor]: Taking taylor expansion of (+ (exp (* -2.0 x)) 1.0) in x
0.650 * [taylor]: Taking taylor expansion of (exp (* -2.0 x)) in x
0.650 * [taylor]: Taking taylor expansion of (* -2.0 x) in x
0.650 * [taylor]: Taking taylor expansion of -2.0 in x
0.650 * [taylor]: Taking taylor expansion of x in x
0.651 * [taylor]: Taking taylor expansion of 1.0 in x
0.652 * [taylor]: Taking taylor expansion of 1.0 in x
0.699 * [approximate]: Taking taylor expansion of (- (* 2.0 (/ 1 (+ (exp (/ -2.0 x)) 1.0))) 1.0) in (x) around 0
0.699 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (+ (exp (/ -2.0 x)) 1.0))) 1.0) in x
0.699 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (+ (exp (/ -2.0 x)) 1.0))) in x
0.699 * [taylor]: Taking taylor expansion of 2.0 in x
0.699 * [taylor]: Taking taylor expansion of (/ 1 (+ (exp (/ -2.0 x)) 1.0)) in x
0.699 * [taylor]: Taking taylor expansion of (+ (exp (/ -2.0 x)) 1.0) in x
0.699 * [taylor]: Taking taylor expansion of (exp (/ -2.0 x)) in x
0.699 * [taylor]: Taking taylor expansion of (/ -2.0 x) in x
0.699 * [taylor]: Taking taylor expansion of -2.0 in x
0.699 * [taylor]: Taking taylor expansion of x in x
0.699 * [taylor]: Taking taylor expansion of 1.0 in x
0.699 * [taylor]: Taking taylor expansion of 1.0 in x
0.699 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (+ (exp (/ -2.0 x)) 1.0))) 1.0) in x
0.700 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (+ (exp (/ -2.0 x)) 1.0))) in x
0.700 * [taylor]: Taking taylor expansion of 2.0 in x
0.700 * [taylor]: Taking taylor expansion of (/ 1 (+ (exp (/ -2.0 x)) 1.0)) in x
0.700 * [taylor]: Taking taylor expansion of (+ (exp (/ -2.0 x)) 1.0) in x
0.700 * [taylor]: Taking taylor expansion of (exp (/ -2.0 x)) in x
0.700 * [taylor]: Taking taylor expansion of (/ -2.0 x) in x
0.700 * [taylor]: Taking taylor expansion of -2.0 in x
0.700 * [taylor]: Taking taylor expansion of x in x
0.700 * [taylor]: Taking taylor expansion of 1.0 in x
0.700 * [taylor]: Taking taylor expansion of 1.0 in x
0.712 * [approximate]: Taking taylor expansion of (- (* 2.0 (/ 1 (+ (exp (/ 2.0 x)) 1.0))) 1.0) in (x) around 0
0.712 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (+ (exp (/ 2.0 x)) 1.0))) 1.0) in x
0.712 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (+ (exp (/ 2.0 x)) 1.0))) in x
0.712 * [taylor]: Taking taylor expansion of 2.0 in x
0.712 * [taylor]: Taking taylor expansion of (/ 1 (+ (exp (/ 2.0 x)) 1.0)) in x
0.712 * [taylor]: Taking taylor expansion of (+ (exp (/ 2.0 x)) 1.0) in x
0.712 * [taylor]: Taking taylor expansion of (exp (/ 2.0 x)) in x
0.712 * [taylor]: Taking taylor expansion of (/ 2.0 x) in x
0.712 * [taylor]: Taking taylor expansion of 2.0 in x
0.712 * [taylor]: Taking taylor expansion of x in x
0.713 * [taylor]: Taking taylor expansion of 1.0 in x
0.713 * [taylor]: Taking taylor expansion of 1.0 in x
0.713 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (+ (exp (/ 2.0 x)) 1.0))) 1.0) in x
0.713 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (+ (exp (/ 2.0 x)) 1.0))) in x
0.713 * [taylor]: Taking taylor expansion of 2.0 in x
0.713 * [taylor]: Taking taylor expansion of (/ 1 (+ (exp (/ 2.0 x)) 1.0)) in x
0.713 * [taylor]: Taking taylor expansion of (+ (exp (/ 2.0 x)) 1.0) in x
0.713 * [taylor]: Taking taylor expansion of (exp (/ 2.0 x)) in x
0.713 * [taylor]: Taking taylor expansion of (/ 2.0 x) in x
0.713 * [taylor]: Taking taylor expansion of 2.0 in x
0.713 * [taylor]: Taking taylor expansion of x in x
0.713 * [taylor]: Taking taylor expansion of 1.0 in x
0.714 * [taylor]: Taking taylor expansion of 1.0 in x
0.729 * * * * [progress]: [ 2 / 4 ] generating series at (2)
0.729 * [approximate]: Taking taylor expansion of (- (* 2.0 (/ 1 (+ (exp (* -2.0 x)) 1.0))) 1.0) in (x) around 0
0.729 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (+ (exp (* -2.0 x)) 1.0))) 1.0) in x
0.729 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (+ (exp (* -2.0 x)) 1.0))) in x
0.729 * [taylor]: Taking taylor expansion of 2.0 in x
0.729 * [taylor]: Taking taylor expansion of (/ 1 (+ (exp (* -2.0 x)) 1.0)) in x
0.729 * [taylor]: Taking taylor expansion of (+ (exp (* -2.0 x)) 1.0) in x
0.730 * [taylor]: Taking taylor expansion of (exp (* -2.0 x)) in x
0.730 * [taylor]: Taking taylor expansion of (* -2.0 x) in x
0.730 * [taylor]: Taking taylor expansion of -2.0 in x
0.730 * [taylor]: Taking taylor expansion of x in x
0.731 * [taylor]: Taking taylor expansion of 1.0 in x
0.731 * [taylor]: Taking taylor expansion of 1.0 in x
0.731 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (+ (exp (* -2.0 x)) 1.0))) 1.0) in x
0.731 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (+ (exp (* -2.0 x)) 1.0))) in x
0.731 * [taylor]: Taking taylor expansion of 2.0 in x
0.731 * [taylor]: Taking taylor expansion of (/ 1 (+ (exp (* -2.0 x)) 1.0)) in x
0.731 * [taylor]: Taking taylor expansion of (+ (exp (* -2.0 x)) 1.0) in x
0.731 * [taylor]: Taking taylor expansion of (exp (* -2.0 x)) in x
0.731 * [taylor]: Taking taylor expansion of (* -2.0 x) in x
0.731 * [taylor]: Taking taylor expansion of -2.0 in x
0.732 * [taylor]: Taking taylor expansion of x in x
0.733 * [taylor]: Taking taylor expansion of 1.0 in x
0.733 * [taylor]: Taking taylor expansion of 1.0 in x
0.779 * [approximate]: Taking taylor expansion of (- (* 2.0 (/ 1 (+ (exp (/ -2.0 x)) 1.0))) 1.0) in (x) around 0
0.779 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (+ (exp (/ -2.0 x)) 1.0))) 1.0) in x
0.779 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (+ (exp (/ -2.0 x)) 1.0))) in x
0.779 * [taylor]: Taking taylor expansion of 2.0 in x
0.779 * [taylor]: Taking taylor expansion of (/ 1 (+ (exp (/ -2.0 x)) 1.0)) in x
0.779 * [taylor]: Taking taylor expansion of (+ (exp (/ -2.0 x)) 1.0) in x
0.779 * [taylor]: Taking taylor expansion of (exp (/ -2.0 x)) in x
0.779 * [taylor]: Taking taylor expansion of (/ -2.0 x) in x
0.779 * [taylor]: Taking taylor expansion of -2.0 in x
0.779 * [taylor]: Taking taylor expansion of x in x
0.779 * [taylor]: Taking taylor expansion of 1.0 in x
0.779 * [taylor]: Taking taylor expansion of 1.0 in x
0.779 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (+ (exp (/ -2.0 x)) 1.0))) 1.0) in x
0.779 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (+ (exp (/ -2.0 x)) 1.0))) in x
0.779 * [taylor]: Taking taylor expansion of 2.0 in x
0.780 * [taylor]: Taking taylor expansion of (/ 1 (+ (exp (/ -2.0 x)) 1.0)) in x
0.780 * [taylor]: Taking taylor expansion of (+ (exp (/ -2.0 x)) 1.0) in x
0.780 * [taylor]: Taking taylor expansion of (exp (/ -2.0 x)) in x
0.780 * [taylor]: Taking taylor expansion of (/ -2.0 x) in x
0.780 * [taylor]: Taking taylor expansion of -2.0 in x
0.780 * [taylor]: Taking taylor expansion of x in x
0.780 * [taylor]: Taking taylor expansion of 1.0 in x
0.780 * [taylor]: Taking taylor expansion of 1.0 in x
0.792 * [approximate]: Taking taylor expansion of (- (* 2.0 (/ 1 (+ (exp (/ 2.0 x)) 1.0))) 1.0) in (x) around 0
0.792 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (+ (exp (/ 2.0 x)) 1.0))) 1.0) in x
0.792 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (+ (exp (/ 2.0 x)) 1.0))) in x
0.792 * [taylor]: Taking taylor expansion of 2.0 in x
0.792 * [taylor]: Taking taylor expansion of (/ 1 (+ (exp (/ 2.0 x)) 1.0)) in x
0.792 * [taylor]: Taking taylor expansion of (+ (exp (/ 2.0 x)) 1.0) in x
0.792 * [taylor]: Taking taylor expansion of (exp (/ 2.0 x)) in x
0.792 * [taylor]: Taking taylor expansion of (/ 2.0 x) in x
0.792 * [taylor]: Taking taylor expansion of 2.0 in x
0.792 * [taylor]: Taking taylor expansion of x in x
0.793 * [taylor]: Taking taylor expansion of 1.0 in x
0.793 * [taylor]: Taking taylor expansion of 1.0 in x
0.793 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (+ (exp (/ 2.0 x)) 1.0))) 1.0) in x
0.793 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (+ (exp (/ 2.0 x)) 1.0))) in x
0.793 * [taylor]: Taking taylor expansion of 2.0 in x
0.793 * [taylor]: Taking taylor expansion of (/ 1 (+ (exp (/ 2.0 x)) 1.0)) in x
0.793 * [taylor]: Taking taylor expansion of (+ (exp (/ 2.0 x)) 1.0) in x
0.793 * [taylor]: Taking taylor expansion of (exp (/ 2.0 x)) in x
0.793 * [taylor]: Taking taylor expansion of (/ 2.0 x) in x
0.793 * [taylor]: Taking taylor expansion of 2.0 in x
0.793 * [taylor]: Taking taylor expansion of x in x
0.793 * [taylor]: Taking taylor expansion of 1.0 in x
0.793 * [taylor]: Taking taylor expansion of 1.0 in x
0.808 * * * * [progress]: [ 3 / 4 ] generating series at (2 1 1 1 2)
0.808 * [approximate]: Taking taylor expansion of (+ (exp (* -2.0 x)) 1.0) in (x) around 0
0.808 * [taylor]: Taking taylor expansion of (+ (exp (* -2.0 x)) 1.0) in x
0.809 * [taylor]: Taking taylor expansion of (exp (* -2.0 x)) in x
0.809 * [taylor]: Taking taylor expansion of (* -2.0 x) in x
0.809 * [taylor]: Taking taylor expansion of -2.0 in x
0.809 * [taylor]: Taking taylor expansion of x in x
0.810 * [taylor]: Taking taylor expansion of 1.0 in x
0.810 * [taylor]: Taking taylor expansion of (+ (exp (* -2.0 x)) 1.0) in x
0.810 * [taylor]: Taking taylor expansion of (exp (* -2.0 x)) in x
0.810 * [taylor]: Taking taylor expansion of (* -2.0 x) in x
0.810 * [taylor]: Taking taylor expansion of -2.0 in x
0.810 * [taylor]: Taking taylor expansion of x in x
0.811 * [taylor]: Taking taylor expansion of 1.0 in x
0.819 * [approximate]: Taking taylor expansion of (+ (exp (/ -2.0 x)) 1.0) in (x) around 0
0.819 * [taylor]: Taking taylor expansion of (+ (exp (/ -2.0 x)) 1.0) in x
0.819 * [taylor]: Taking taylor expansion of (exp (/ -2.0 x)) in x
0.819 * [taylor]: Taking taylor expansion of (/ -2.0 x) in x
0.819 * [taylor]: Taking taylor expansion of -2.0 in x
0.820 * [taylor]: Taking taylor expansion of x in x
0.820 * [taylor]: Taking taylor expansion of 1.0 in x
0.820 * [taylor]: Taking taylor expansion of (+ (exp (/ -2.0 x)) 1.0) in x
0.820 * [taylor]: Taking taylor expansion of (exp (/ -2.0 x)) in x
0.820 * [taylor]: Taking taylor expansion of (/ -2.0 x) in x
0.820 * [taylor]: Taking taylor expansion of -2.0 in x
0.820 * [taylor]: Taking taylor expansion of x in x
0.820 * [taylor]: Taking taylor expansion of 1.0 in x
0.822 * [approximate]: Taking taylor expansion of (+ (exp (/ 2.0 x)) 1.0) in (x) around 0
0.822 * [taylor]: Taking taylor expansion of (+ (exp (/ 2.0 x)) 1.0) in x
0.822 * [taylor]: Taking taylor expansion of (exp (/ 2.0 x)) in x
0.822 * [taylor]: Taking taylor expansion of (/ 2.0 x) in x
0.822 * [taylor]: Taking taylor expansion of 2.0 in x
0.822 * [taylor]: Taking taylor expansion of x in x
0.822 * [taylor]: Taking taylor expansion of 1.0 in x
0.822 * [taylor]: Taking taylor expansion of (+ (exp (/ 2.0 x)) 1.0) in x
0.823 * [taylor]: Taking taylor expansion of (exp (/ 2.0 x)) in x
0.823 * [taylor]: Taking taylor expansion of (/ 2.0 x) in x
0.823 * [taylor]: Taking taylor expansion of 2.0 in x
0.823 * [taylor]: Taking taylor expansion of x in x
0.823 * [taylor]: Taking taylor expansion of 1.0 in x
0.825 * * * * [progress]: [ 4 / 4 ] generating series at (2 1 1 1)
0.825 * [approximate]: Taking taylor expansion of (/ 2.0 (+ (exp (* -2.0 x)) 1.0)) in (x) around 0
0.825 * [taylor]: Taking taylor expansion of (/ 2.0 (+ (exp (* -2.0 x)) 1.0)) in x
0.825 * [taylor]: Taking taylor expansion of 2.0 in x
0.825 * [taylor]: Taking taylor expansion of (+ (exp (* -2.0 x)) 1.0) in x
0.825 * [taylor]: Taking taylor expansion of (exp (* -2.0 x)) in x
0.825 * [taylor]: Taking taylor expansion of (* -2.0 x) in x
0.825 * [taylor]: Taking taylor expansion of -2.0 in x
0.825 * [taylor]: Taking taylor expansion of x in x
0.826 * [taylor]: Taking taylor expansion of 1.0 in x
0.827 * [taylor]: Taking taylor expansion of (/ 2.0 (+ (exp (* -2.0 x)) 1.0)) in x
0.827 * [taylor]: Taking taylor expansion of 2.0 in x
0.827 * [taylor]: Taking taylor expansion of (+ (exp (* -2.0 x)) 1.0) in x
0.827 * [taylor]: Taking taylor expansion of (exp (* -2.0 x)) in x
0.827 * [taylor]: Taking taylor expansion of (* -2.0 x) in x
0.827 * [taylor]: Taking taylor expansion of -2.0 in x
0.827 * [taylor]: Taking taylor expansion of x in x
0.828 * [taylor]: Taking taylor expansion of 1.0 in x
0.851 * [approximate]: Taking taylor expansion of (/ 2.0 (+ (exp (/ -2.0 x)) 1.0)) in (x) around 0
0.851 * [taylor]: Taking taylor expansion of (/ 2.0 (+ (exp (/ -2.0 x)) 1.0)) in x
0.851 * [taylor]: Taking taylor expansion of 2.0 in x
0.851 * [taylor]: Taking taylor expansion of (+ (exp (/ -2.0 x)) 1.0) in x
0.851 * [taylor]: Taking taylor expansion of (exp (/ -2.0 x)) in x
0.851 * [taylor]: Taking taylor expansion of (/ -2.0 x) in x
0.851 * [taylor]: Taking taylor expansion of -2.0 in x
0.851 * [taylor]: Taking taylor expansion of x in x
0.852 * [taylor]: Taking taylor expansion of 1.0 in x
0.852 * [taylor]: Taking taylor expansion of (/ 2.0 (+ (exp (/ -2.0 x)) 1.0)) in x
0.852 * [taylor]: Taking taylor expansion of 2.0 in x
0.852 * [taylor]: Taking taylor expansion of (+ (exp (/ -2.0 x)) 1.0) in x
0.852 * [taylor]: Taking taylor expansion of (exp (/ -2.0 x)) in x
0.852 * [taylor]: Taking taylor expansion of (/ -2.0 x) in x
0.852 * [taylor]: Taking taylor expansion of -2.0 in x
0.852 * [taylor]: Taking taylor expansion of x in x
0.852 * [taylor]: Taking taylor expansion of 1.0 in x
0.856 * [approximate]: Taking taylor expansion of (/ 2.0 (+ (exp (/ 2.0 x)) 1.0)) in (x) around 0
0.856 * [taylor]: Taking taylor expansion of (/ 2.0 (+ (exp (/ 2.0 x)) 1.0)) in x
0.856 * [taylor]: Taking taylor expansion of 2.0 in x
0.856 * [taylor]: Taking taylor expansion of (+ (exp (/ 2.0 x)) 1.0) in x
0.856 * [taylor]: Taking taylor expansion of (exp (/ 2.0 x)) in x
0.856 * [taylor]: Taking taylor expansion of (/ 2.0 x) in x
0.856 * [taylor]: Taking taylor expansion of 2.0 in x
0.856 * [taylor]: Taking taylor expansion of x in x
0.856 * [taylor]: Taking taylor expansion of 1.0 in x
0.856 * [taylor]: Taking taylor expansion of (/ 2.0 (+ (exp (/ 2.0 x)) 1.0)) in x
0.856 * [taylor]: Taking taylor expansion of 2.0 in x
0.856 * [taylor]: Taking taylor expansion of (+ (exp (/ 2.0 x)) 1.0) in x
0.856 * [taylor]: Taking taylor expansion of (exp (/ 2.0 x)) in x
0.857 * [taylor]: Taking taylor expansion of (/ 2.0 x) in x
0.857 * [taylor]: Taking taylor expansion of 2.0 in x
0.857 * [taylor]: Taking taylor expansion of x in x
0.857 * [taylor]: Taking taylor expansion of 1.0 in x
0.861 * * * [progress]: simplifying candidates
0.862 * [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)
  (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 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))
0.867 * * [simplify]: iteration  0 :  291  enodes  (cost  672 )
0.872 * * [simplify]: iteration  1 :  849  enodes  (cost  622 )
0.886 * * [simplify]: iteration  2 :  3009  enodes  (cost  617 )
0.954 * * [simplify]: iteration  3 :  5002  enodes  (cost  617 )
0.957 * [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 (+ 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)
  (/ 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 (+ 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))))
0.958 * * * [progress]: adding candidates to table
1.150 * * [progress]: iteration 3 / 4
1.150 * * * [progress]: picking best candidate
1.152 * * * * [pick]: Picked  #<alt (λ (x y) (- (* 1.0 x) (+ (* 5.551115123125783e-17 (pow x 4)) (* 0.33333333333333337 (pow x 3)))))>
1.152 * * * [progress]: localizing error
1.162 * * * [progress]: generating rewritten candidates
1.162 * * * * [progress]: [ 1 / 2 ] rewriting at (2 2)
1.165 * * * * [progress]: [ 2 / 2 ] rewriting at (2 2 2)
1.173 * * * [progress]: generating series expansions
1.173 * * * * [progress]: [ 1 / 2 ] generating series at (2 2)
1.174 * [approximate]: Taking taylor expansion of (+ (* 0.33333333333333337 (pow x 3)) (* 5.551115123125783e-17 (pow x 4))) in (x) around 0
1.174 * [taylor]: Taking taylor expansion of (+ (* 0.33333333333333337 (pow x 3)) (* 5.551115123125783e-17 (pow x 4))) in x
1.174 * [taylor]: Taking taylor expansion of (* 0.33333333333333337 (pow x 3)) in x
1.174 * [taylor]: Taking taylor expansion of 0.33333333333333337 in x
1.174 * [taylor]: Taking taylor expansion of (pow x 3) in x
1.174 * [taylor]: Taking taylor expansion of x in x
1.174 * [taylor]: Taking taylor expansion of (* 5.551115123125783e-17 (pow x 4)) in x
1.174 * [taylor]: Taking taylor expansion of 5.551115123125783e-17 in x
1.174 * [taylor]: Taking taylor expansion of (pow x 4) in x
1.174 * [taylor]: Taking taylor expansion of x in x
1.174 * [taylor]: Taking taylor expansion of (+ (* 0.33333333333333337 (pow x 3)) (* 5.551115123125783e-17 (pow x 4))) in x
1.174 * [taylor]: Taking taylor expansion of (* 0.33333333333333337 (pow x 3)) in x
1.174 * [taylor]: Taking taylor expansion of 0.33333333333333337 in x
1.174 * [taylor]: Taking taylor expansion of (pow x 3) in x
1.174 * [taylor]: Taking taylor expansion of x in x
1.174 * [taylor]: Taking taylor expansion of (* 5.551115123125783e-17 (pow x 4)) in x
1.174 * [taylor]: Taking taylor expansion of 5.551115123125783e-17 in x
1.174 * [taylor]: Taking taylor expansion of (pow x 4) in x
1.174 * [taylor]: Taking taylor expansion of x in x
1.204 * [approximate]: Taking taylor expansion of (+ (* 5.551115123125783e-17 (/ 1 (pow x 4))) (* 0.33333333333333337 (/ 1 (pow x 3)))) in (x) around 0
1.204 * [taylor]: Taking taylor expansion of (+ (* 5.551115123125783e-17 (/ 1 (pow x 4))) (* 0.33333333333333337 (/ 1 (pow x 3)))) in x
1.204 * [taylor]: Taking taylor expansion of (* 5.551115123125783e-17 (/ 1 (pow x 4))) in x
1.204 * [taylor]: Taking taylor expansion of 5.551115123125783e-17 in x
1.204 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
1.204 * [taylor]: Taking taylor expansion of (pow x 4) in x
1.204 * [taylor]: Taking taylor expansion of x in x
1.205 * [taylor]: Taking taylor expansion of (* 0.33333333333333337 (/ 1 (pow x 3))) in x
1.205 * [taylor]: Taking taylor expansion of 0.33333333333333337 in x
1.205 * [taylor]: Taking taylor expansion of (/ 1 (pow x 3)) in x
1.205 * [taylor]: Taking taylor expansion of (pow x 3) in x
1.205 * [taylor]: Taking taylor expansion of x in x
1.206 * [taylor]: Taking taylor expansion of (+ (* 5.551115123125783e-17 (/ 1 (pow x 4))) (* 0.33333333333333337 (/ 1 (pow x 3)))) in x
1.206 * [taylor]: Taking taylor expansion of (* 5.551115123125783e-17 (/ 1 (pow x 4))) in x
1.206 * [taylor]: Taking taylor expansion of 5.551115123125783e-17 in x
1.206 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
1.206 * [taylor]: Taking taylor expansion of (pow x 4) in x
1.206 * [taylor]: Taking taylor expansion of x in x
1.207 * [taylor]: Taking taylor expansion of (* 0.33333333333333337 (/ 1 (pow x 3))) in x
1.207 * [taylor]: Taking taylor expansion of 0.33333333333333337 in x
1.207 * [taylor]: Taking taylor expansion of (/ 1 (pow x 3)) in x
1.207 * [taylor]: Taking taylor expansion of (pow x 3) in x
1.207 * [taylor]: Taking taylor expansion of x in x
1.240 * [approximate]: Taking taylor expansion of (- (* 5.551115123125783e-17 (/ 1 (pow x 4))) (* 0.33333333333333337 (/ 1 (pow x 3)))) in (x) around 0
1.240 * [taylor]: Taking taylor expansion of (- (* 5.551115123125783e-17 (/ 1 (pow x 4))) (* 0.33333333333333337 (/ 1 (pow x 3)))) in x
1.240 * [taylor]: Taking taylor expansion of (* 5.551115123125783e-17 (/ 1 (pow x 4))) in x
1.240 * [taylor]: Taking taylor expansion of 5.551115123125783e-17 in x
1.240 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
1.240 * [taylor]: Taking taylor expansion of (pow x 4) in x
1.240 * [taylor]: Taking taylor expansion of x in x
1.240 * [taylor]: Taking taylor expansion of (* 0.33333333333333337 (/ 1 (pow x 3))) in x
1.240 * [taylor]: Taking taylor expansion of 0.33333333333333337 in x
1.240 * [taylor]: Taking taylor expansion of (/ 1 (pow x 3)) in x
1.241 * [taylor]: Taking taylor expansion of (pow x 3) in x
1.241 * [taylor]: Taking taylor expansion of x in x
1.241 * [taylor]: Taking taylor expansion of (- (* 5.551115123125783e-17 (/ 1 (pow x 4))) (* 0.33333333333333337 (/ 1 (pow x 3)))) in x
1.241 * [taylor]: Taking taylor expansion of (* 5.551115123125783e-17 (/ 1 (pow x 4))) in x
1.241 * [taylor]: Taking taylor expansion of 5.551115123125783e-17 in x
1.241 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
1.241 * [taylor]: Taking taylor expansion of (pow x 4) in x
1.241 * [taylor]: Taking taylor expansion of x in x
1.242 * [taylor]: Taking taylor expansion of (* 0.33333333333333337 (/ 1 (pow x 3))) in x
1.242 * [taylor]: Taking taylor expansion of 0.33333333333333337 in x
1.242 * [taylor]: Taking taylor expansion of (/ 1 (pow x 3)) in x
1.242 * [taylor]: Taking taylor expansion of (pow x 3) in x
1.242 * [taylor]: Taking taylor expansion of x in x
1.279 * * * * [progress]: [ 2 / 2 ] generating series at (2 2 2)
1.279 * [approximate]: Taking taylor expansion of (* 0.33333333333333337 (pow x 3)) in (x) around 0
1.280 * [taylor]: Taking taylor expansion of (* 0.33333333333333337 (pow x 3)) in x
1.280 * [taylor]: Taking taylor expansion of 0.33333333333333337 in x
1.280 * [taylor]: Taking taylor expansion of (pow x 3) in x
1.280 * [taylor]: Taking taylor expansion of x in x
1.280 * [taylor]: Taking taylor expansion of (* 0.33333333333333337 (pow x 3)) in x
1.280 * [taylor]: Taking taylor expansion of 0.33333333333333337 in x
1.280 * [taylor]: Taking taylor expansion of (pow x 3) in x
1.280 * [taylor]: Taking taylor expansion of x in x
1.291 * [approximate]: Taking taylor expansion of (/ 0.33333333333333337 (pow x 3)) in (x) around 0
1.291 * [taylor]: Taking taylor expansion of (/ 0.33333333333333337 (pow x 3)) in x
1.291 * [taylor]: Taking taylor expansion of 0.33333333333333337 in x
1.291 * [taylor]: Taking taylor expansion of (pow x 3) in x
1.291 * [taylor]: Taking taylor expansion of x in x
1.292 * [taylor]: Taking taylor expansion of (/ 0.33333333333333337 (pow x 3)) in x
1.292 * [taylor]: Taking taylor expansion of 0.33333333333333337 in x
1.292 * [taylor]: Taking taylor expansion of (pow x 3) in x
1.292 * [taylor]: Taking taylor expansion of x in x
1.303 * [approximate]: Taking taylor expansion of (/ -0.33333333333333337 (pow x 3)) in (x) around 0
1.303 * [taylor]: Taking taylor expansion of (/ -0.33333333333333337 (pow x 3)) in x
1.303 * [taylor]: Taking taylor expansion of -0.33333333333333337 in x
1.303 * [taylor]: Taking taylor expansion of (pow x 3) in x
1.303 * [taylor]: Taking taylor expansion of x in x
1.303 * [taylor]: Taking taylor expansion of (/ -0.33333333333333337 (pow x 3)) in x
1.303 * [taylor]: Taking taylor expansion of -0.33333333333333337 in x
1.303 * [taylor]: Taking taylor expansion of (pow x 3) in x
1.303 * [taylor]: Taking taylor expansion of x in x
1.314 * * * [progress]: simplifying candidates
1.315 * [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 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)))
  (* 0.33333333333333337 (pow x 3))
  (* 0.33333333333333337 (pow x 3))
  (* 0.33333333333333337 (pow x 3))
1.319 * * [simplify]: iteration  0 :  199  enodes  (cost  228 )
1.324 * * [simplify]: iteration  1 :  849  enodes  (cost  205 )
1.347 * * [simplify]: iteration  2 :  5001  enodes  (cost  204 )
1.348 * [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 (* 5.551115123125783e-17 (pow x 8))) (* (* 5.551115123125783e-17 (pow x 4)) (* 0.33333333333333337 (pow x 3)))))
  (+ (* (- (* 0.33333333333333337 0.33333333333333337)) (pow x 6)) (* 5.551115123125783e-17 (* 5.551115123125783e-17 (pow x 8))))
  (- (* 5.551115123125783e-17 (pow x 4)) (* 0.33333333333333337 (pow x 3)))
  (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)))
  (* 0.33333333333333337 (pow x 3))
  (* 0.33333333333333337 (pow x 3))
  (* 0.33333333333333337 (pow x 3))
1.349 * * * [progress]: adding candidates to table
1.443 * [progress]: [Phase 3 of 3] Extracting.
1.443 * * [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)))))>)
1.444 * * * [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)
1.444 * * * * [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)))))>)
1.465 * * * * [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)))))>)
1.484 * * * * [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)))))>)
1.504 * * * * [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)))))>)
1.522 * * * * [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)))))>)
1.541 * * * * [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)))))>)
1.577 * * * * [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)))))>)
1.597 * * * [regime]: Found split indices: #<option (#s(si 0 75) #s(si 1 181) #s(si 0 255))>
1.598 * [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)))))>)
1.598 * [regimes]: Found splitpoints: (#s(sp 0 (* -2.0 x) -337.4084815934219) #s(sp 1 (* -2.0 x) 4.0750699727972065e-05) #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)))))>)
1.599 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (if (<= (* -2.0 x) -337.4084815934219) (log (exp (- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0))) (if (<= (* -2.0 x) 4.0750699727972065e-05) (- (* 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)))))
1.599 * * [simplify]: iteration  0 :  37  enodes  (cost  16 )
1.600 * * [simplify]: iteration  1 :  37  enodes  (cost  16 )
1.600 * [simplify]: Simplified to:
   (if (or (<= (* -2.0 x) -337.4084815934219) (not (<= (* -2.0 x) 4.0750699727972065e-05))) (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)))))
2.618 * [regime-testing]: Baseline error score: 28.989770533093548
2.619 * [regime-testing]: Oracle error score: 0.026953559003836256
2.620 * [regime-testing]: End program error score: 0.16908148472539605