38.708 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.071 * * * [progress]: [2/2] Setting up program.
0.074 * [progress]: [Phase 2 of 3] Improving.
0.074 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))
0.076 * * [simplify]: iteration  0 :  15  enodes  (cost  9 )
0.077 * * [simplify]: iteration  1 :  24  enodes  (cost  9 )
0.079 * * [simplify]: iteration  2 :  32  enodes  (cost  9 )
0.080 * * [simplify]: iteration  3 :  44  enodes  (cost  9 )
0.081 * * [simplify]: iteration  4 :  59  enodes  (cost  9 )
0.083 * * [simplify]: iteration  5 :  174  enodes  (cost  9 )
0.088 * * [simplify]: iteration  6 :  1153  enodes  (cost  9 )
0.118 * * [simplify]: iteration  7 :  5001  enodes  (cost  9 )
0.119 * [simplify]: Simplified to:
   (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))
0.119 * * [progress]: iteration 1 / 4
0.119 * * * [progress]: picking best candidate
0.121 * * * * [pick]: Picked  #<alt (λ (x) (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x)))))>
0.121 * * * [progress]: localizing error
0.128 * * * [progress]: generating rewritten candidates
0.128 * * * * [progress]: [ 1 / 3 ] rewriting at (2 1)
0.133 * * * * [progress]: [ 2 / 3 ] rewriting at (2)
0.145 * * * * [progress]: [ 3 / 3 ] rewriting at (2 2)
0.152 * * * [progress]: generating series expansions
0.152 * * * * [progress]: [ 1 / 3 ] generating series at (2 1)
0.152 * [approximate]: Taking taylor expansion of (- (exp x) (exp (- x))) in (x) around 0
0.152 * [taylor]: Taking taylor expansion of (- (exp x) (exp (- x))) in x
0.152 * [taylor]: Taking taylor expansion of (exp x) in x
0.152 * [taylor]: Taking taylor expansion of x in x
0.152 * [taylor]: Taking taylor expansion of (exp (- x)) in x
0.152 * [taylor]: Taking taylor expansion of (- x) in x
0.152 * [taylor]: Taking taylor expansion of x in x
0.153 * [taylor]: Taking taylor expansion of (- (exp x) (exp (- x))) in x
0.153 * [taylor]: Taking taylor expansion of (exp x) in x
0.153 * [taylor]: Taking taylor expansion of x in x
0.153 * [taylor]: Taking taylor expansion of (exp (- x)) in x
0.153 * [taylor]: Taking taylor expansion of (- x) in x
0.153 * [taylor]: Taking taylor expansion of x in x
0.182 * [approximate]: Taking taylor expansion of (- (exp (/ 1 x)) (exp (- (/ 1 x)))) in (x) around 0
0.182 * [taylor]: Taking taylor expansion of (- (exp (/ 1 x)) (exp (- (/ 1 x)))) in x
0.182 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.182 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.182 * [taylor]: Taking taylor expansion of x in x
0.182 * [taylor]: Taking taylor expansion of (exp (- (/ 1 x))) in x
0.182 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
0.182 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.182 * [taylor]: Taking taylor expansion of x in x
0.183 * [taylor]: Taking taylor expansion of (- (exp (/ 1 x)) (exp (- (/ 1 x)))) in x
0.183 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.183 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.183 * [taylor]: Taking taylor expansion of x in x
0.183 * [taylor]: Taking taylor expansion of (exp (- (/ 1 x))) in x
0.183 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
0.183 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.183 * [taylor]: Taking taylor expansion of x in x
0.187 * [approximate]: Taking taylor expansion of (- (exp (/ -1 x)) (exp (/ 1 x))) in (x) around 0
0.187 * [taylor]: Taking taylor expansion of (- (exp (/ -1 x)) (exp (/ 1 x))) in x
0.187 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.187 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.187 * [taylor]: Taking taylor expansion of -1 in x
0.187 * [taylor]: Taking taylor expansion of x in x
0.188 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.188 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.188 * [taylor]: Taking taylor expansion of x in x
0.188 * [taylor]: Taking taylor expansion of (- (exp (/ -1 x)) (exp (/ 1 x))) in x
0.188 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.188 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.188 * [taylor]: Taking taylor expansion of -1 in x
0.188 * [taylor]: Taking taylor expansion of x in x
0.188 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.188 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.188 * [taylor]: Taking taylor expansion of x in x
0.192 * * * * [progress]: [ 2 / 3 ] generating series at (2)
0.192 * [approximate]: Taking taylor expansion of (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x)))) in (x) around 0
0.192 * [taylor]: Taking taylor expansion of (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x)))) in x
0.192 * [taylor]: Taking taylor expansion of (- (exp x) (exp (- x))) in x
0.192 * [taylor]: Taking taylor expansion of (exp x) in x
0.192 * [taylor]: Taking taylor expansion of x in x
0.192 * [taylor]: Taking taylor expansion of (exp (- x)) in x
0.192 * [taylor]: Taking taylor expansion of (- x) in x
0.192 * [taylor]: Taking taylor expansion of x in x
0.193 * [taylor]: Taking taylor expansion of (+ (exp x) (exp (- x))) in x
0.193 * [taylor]: Taking taylor expansion of (exp x) in x
0.193 * [taylor]: Taking taylor expansion of x in x
0.193 * [taylor]: Taking taylor expansion of (exp (- x)) in x
0.193 * [taylor]: Taking taylor expansion of (- x) in x
0.193 * [taylor]: Taking taylor expansion of x in x
0.196 * [taylor]: Taking taylor expansion of (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x)))) in x
0.196 * [taylor]: Taking taylor expansion of (- (exp x) (exp (- x))) in x
0.196 * [taylor]: Taking taylor expansion of (exp x) in x
0.196 * [taylor]: Taking taylor expansion of x in x
0.196 * [taylor]: Taking taylor expansion of (exp (- x)) in x
0.196 * [taylor]: Taking taylor expansion of (- x) in x
0.196 * [taylor]: Taking taylor expansion of x in x
0.197 * [taylor]: Taking taylor expansion of (+ (exp x) (exp (- x))) in x
0.197 * [taylor]: Taking taylor expansion of (exp x) in x
0.197 * [taylor]: Taking taylor expansion of x in x
0.197 * [taylor]: Taking taylor expansion of (exp (- x)) in x
0.197 * [taylor]: Taking taylor expansion of (- x) in x
0.197 * [taylor]: Taking taylor expansion of x in x
0.238 * [approximate]: Taking taylor expansion of (/ (- (exp (/ 1 x)) (exp (- (/ 1 x)))) (+ (exp (/ 1 x)) (exp (- (/ 1 x))))) in (x) around 0
0.238 * [taylor]: Taking taylor expansion of (/ (- (exp (/ 1 x)) (exp (- (/ 1 x)))) (+ (exp (/ 1 x)) (exp (- (/ 1 x))))) in x
0.238 * [taylor]: Taking taylor expansion of (- (exp (/ 1 x)) (exp (- (/ 1 x)))) in x
0.238 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.238 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.238 * [taylor]: Taking taylor expansion of x in x
0.238 * [taylor]: Taking taylor expansion of (exp (- (/ 1 x))) in x
0.238 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
0.238 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.238 * [taylor]: Taking taylor expansion of x in x
0.239 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (- (/ 1 x)))) in x
0.239 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.239 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.239 * [taylor]: Taking taylor expansion of x in x
0.239 * [taylor]: Taking taylor expansion of (exp (- (/ 1 x))) in x
0.239 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
0.239 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.239 * [taylor]: Taking taylor expansion of x in x
0.240 * [taylor]: Taking taylor expansion of (/ (- (exp (/ 1 x)) (exp (- (/ 1 x)))) (+ (exp (/ 1 x)) (exp (- (/ 1 x))))) in x
0.240 * [taylor]: Taking taylor expansion of (- (exp (/ 1 x)) (exp (- (/ 1 x)))) in x
0.240 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.240 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.240 * [taylor]: Taking taylor expansion of x in x
0.241 * [taylor]: Taking taylor expansion of (exp (- (/ 1 x))) in x
0.241 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
0.241 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.241 * [taylor]: Taking taylor expansion of x in x
0.241 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (- (/ 1 x)))) in x
0.241 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.241 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.241 * [taylor]: Taking taylor expansion of x in x
0.242 * [taylor]: Taking taylor expansion of (exp (- (/ 1 x))) in x
0.242 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
0.242 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.242 * [taylor]: Taking taylor expansion of x in x
0.255 * [approximate]: Taking taylor expansion of (/ (- (exp (/ -1 x)) (exp (/ 1 x))) (+ (exp (/ 1 x)) (exp (/ -1 x)))) in (x) around 0
0.255 * [taylor]: Taking taylor expansion of (/ (- (exp (/ -1 x)) (exp (/ 1 x))) (+ (exp (/ 1 x)) (exp (/ -1 x)))) in x
0.255 * [taylor]: Taking taylor expansion of (- (exp (/ -1 x)) (exp (/ 1 x))) in x
0.255 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.256 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.256 * [taylor]: Taking taylor expansion of -1 in x
0.256 * [taylor]: Taking taylor expansion of x in x
0.256 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.256 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.256 * [taylor]: Taking taylor expansion of x in x
0.256 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (/ -1 x))) in x
0.257 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.257 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.257 * [taylor]: Taking taylor expansion of x in x
0.257 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.257 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.257 * [taylor]: Taking taylor expansion of -1 in x
0.257 * [taylor]: Taking taylor expansion of x in x
0.257 * [taylor]: Taking taylor expansion of (/ (- (exp (/ -1 x)) (exp (/ 1 x))) (+ (exp (/ 1 x)) (exp (/ -1 x)))) in x
0.258 * [taylor]: Taking taylor expansion of (- (exp (/ -1 x)) (exp (/ 1 x))) in x
0.258 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.258 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.258 * [taylor]: Taking taylor expansion of -1 in x
0.258 * [taylor]: Taking taylor expansion of x in x
0.258 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.258 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.258 * [taylor]: Taking taylor expansion of x in x
0.258 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (/ -1 x))) in x
0.258 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.258 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.258 * [taylor]: Taking taylor expansion of x in x
0.259 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.259 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.259 * [taylor]: Taking taylor expansion of -1 in x
0.259 * [taylor]: Taking taylor expansion of x in x
0.267 * * * * [progress]: [ 3 / 3 ] generating series at (2 2)
0.267 * [approximate]: Taking taylor expansion of (+ (exp x) (exp (- x))) in (x) around 0
0.267 * [taylor]: Taking taylor expansion of (+ (exp x) (exp (- x))) in x
0.267 * [taylor]: Taking taylor expansion of (exp x) in x
0.267 * [taylor]: Taking taylor expansion of x in x
0.267 * [taylor]: Taking taylor expansion of (exp (- x)) in x
0.267 * [taylor]: Taking taylor expansion of (- x) in x
0.267 * [taylor]: Taking taylor expansion of x in x
0.268 * [taylor]: Taking taylor expansion of (+ (exp x) (exp (- x))) in x
0.268 * [taylor]: Taking taylor expansion of (exp x) in x
0.268 * [taylor]: Taking taylor expansion of x in x
0.268 * [taylor]: Taking taylor expansion of (exp (- x)) in x
0.268 * [taylor]: Taking taylor expansion of (- x) in x
0.268 * [taylor]: Taking taylor expansion of x in x
0.282 * [approximate]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (- (/ 1 x)))) in (x) around 0
0.282 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (- (/ 1 x)))) in x
0.282 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.282 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.282 * [taylor]: Taking taylor expansion of x in x
0.282 * [taylor]: Taking taylor expansion of (exp (- (/ 1 x))) in x
0.282 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
0.282 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.282 * [taylor]: Taking taylor expansion of x in x
0.283 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (- (/ 1 x)))) in x
0.283 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.283 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.283 * [taylor]: Taking taylor expansion of x in x
0.283 * [taylor]: Taking taylor expansion of (exp (- (/ 1 x))) in x
0.283 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
0.283 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.283 * [taylor]: Taking taylor expansion of x in x
0.286 * [approximate]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (/ -1 x))) in (x) around 0
0.286 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (/ -1 x))) in x
0.286 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.286 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.286 * [taylor]: Taking taylor expansion of x in x
0.286 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.286 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.286 * [taylor]: Taking taylor expansion of -1 in x
0.286 * [taylor]: Taking taylor expansion of x in x
0.286 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (/ -1 x))) in x
0.286 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.286 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.286 * [taylor]: Taking taylor expansion of x in x
0.287 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.287 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.287 * [taylor]: Taking taylor expansion of -1 in x
0.287 * [taylor]: Taking taylor expansion of x in x
0.289 * * * [progress]: simplifying candidates
0.290 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (exp (exp x)) (exp (exp (- x))))
  (log (- (exp x) (exp (- x))))
  (exp (- (exp x) (exp (- x))))
  (* (cbrt (- (exp x) (exp (- x)))) (cbrt (- (exp x) (exp (- x)))))
  (cbrt (- (exp x) (exp (- x))))
  (* (* (- (exp x) (exp (- x))) (- (exp x) (exp (- x)))) (- (exp x) (exp (- x))))
  (sqrt (- (exp x) (exp (- x))))
  (sqrt (- (exp x) (exp (- x))))
  (- (pow (exp x) 3) (pow (exp (- x)) 3))
  (+ (* (exp x) (exp x)) (+ (* (exp (- x)) (exp (- x))) (* (exp x) (exp (- x)))))
  (- (exp (- x)))
  (- (* (exp x) (exp x)) (* (exp (- x)) (exp (- x))))
  (+ (exp x) (exp (- x)))
  (+ (sqrt (exp x)) (sqrt (exp (- x))))
  (- (sqrt (exp x)) (sqrt (exp (- x))))
  (- (exp x) (exp (- x)))
  (- (exp (- x)))
  (- (log (- (exp x) (exp (- x)))) (log (+ (exp x) (exp (- x)))))
  (log (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x)))))
  (exp (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x)))))
  (/ (* (* (- (exp x) (exp (- x))) (- (exp x) (exp (- x)))) (- (exp x) (exp (- x)))) (* (* (+ (exp x) (exp (- x))) (+ (exp x) (exp (- x)))) (+ (exp x) (exp (- x)))))
  (* (cbrt (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))) (cbrt (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))))
  (cbrt (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x)))))
  (* (* (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x)))) (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))) (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x)))))
  (sqrt (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x)))))
  (sqrt (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x)))))
  (- (- (exp x) (exp (- x))))
  (- (+ (exp x) (exp (- x))))
  (/ (exp x) (+ (exp x) (exp (- x))))
  (/ (exp (- x)) (+ (exp x) (exp (- x))))
  (/ (* (cbrt (- (exp x) (exp (- x)))) (cbrt (- (exp x) (exp (- x))))) (* (cbrt (+ (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x))))))
  (/ (cbrt (- (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x)))))
  (/ (* (cbrt (- (exp x) (exp (- x)))) (cbrt (- (exp x) (exp (- x))))) (sqrt (+ (exp x) (exp (- x)))))
  (/ (cbrt (- (exp x) (exp (- x)))) (sqrt (+ (exp x) (exp (- x)))))
  (/ (* (cbrt (- (exp x) (exp (- x)))) (cbrt (- (exp x) (exp (- x))))) 1)
  (/ (cbrt (- (exp x) (exp (- x)))) (+ (exp x) (exp (- x))))
  (/ (* (cbrt (- (exp x) (exp (- x)))) (cbrt (- (exp x) (exp (- x))))) 1)
  (/ (cbrt (- (exp x) (exp (- x)))) (+ (exp x) (exp (- x))))
  (/ (sqrt (- (exp x) (exp (- x)))) (* (cbrt (+ (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x))))))
  (/ (sqrt (- (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x)))))
  (/ (sqrt (- (exp x) (exp (- x)))) (sqrt (+ (exp x) (exp (- x)))))
  (/ (sqrt (- (exp x) (exp (- x)))) (sqrt (+ (exp x) (exp (- x)))))
  (/ (sqrt (- (exp x) (exp (- x)))) 1)
  (/ (sqrt (- (exp x) (exp (- x)))) (+ (exp x) (exp (- x))))
  (/ (sqrt (- (exp x) (exp (- x)))) 1)
  (/ (sqrt (- (exp x) (exp (- x)))) (+ (exp x) (exp (- x))))
  (/ 1 (* (cbrt (+ (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x))))))
  (/ (- (exp x) (exp (- x))) (cbrt (+ (exp x) (exp (- x)))))
  (/ 1 (sqrt (+ (exp x) (exp (- x)))))
  (/ (- (exp x) (exp (- x))) (sqrt (+ (exp x) (exp (- x)))))
  (/ 1 1)
  (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))
  (/ 1 1)
  (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))
  (/ (+ (sqrt (exp x)) (sqrt (exp (- x)))) (* (cbrt (+ (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x))))))
  (/ (- (sqrt (exp x)) (sqrt (exp (- x)))) (cbrt (+ (exp x) (exp (- x)))))
  (/ (+ (sqrt (exp x)) (sqrt (exp (- x)))) (sqrt (+ (exp x) (exp (- x)))))
  (/ (- (sqrt (exp x)) (sqrt (exp (- x)))) (sqrt (+ (exp x) (exp (- x)))))
  (/ (+ (sqrt (exp x)) (sqrt (exp (- x)))) 1)
  (/ (- (sqrt (exp x)) (sqrt (exp (- x)))) (+ (exp x) (exp (- x))))
  (/ (+ (sqrt (exp x)) (sqrt (exp (- x)))) 1)
  (/ (- (sqrt (exp x)) (sqrt (exp (- x)))) (+ (exp x) (exp (- x))))
  (/ 1 (* (cbrt (+ (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x))))))
  (/ (- (exp x) (exp (- x))) (cbrt (+ (exp x) (exp (- x)))))
  (/ 1 (sqrt (+ (exp x) (exp (- x)))))
  (/ (- (exp x) (exp (- x))) (sqrt (+ (exp x) (exp (- x)))))
  (/ 1 1)
  (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))
  (/ 1 1)
  (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))
  (/ 1 (+ (exp x) (exp (- x))))
  (/ (+ (exp x) (exp (- x))) (- (exp x) (exp (- x))))
  (/ (- (exp x) (exp (- x))) (* (cbrt (+ (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x))))))
  (/ (- (exp x) (exp (- x))) (sqrt (+ (exp x) (exp (- x)))))
  (/ (- (exp x) (exp (- x))) 1)
  (/ (- (exp x) (exp (- x))) 1)
  (/ (+ (exp x) (exp (- x))) (cbrt (- (exp x) (exp (- x)))))
  (/ (+ (exp x) (exp (- x))) (sqrt (- (exp x) (exp (- x)))))
  (/ (+ (exp x) (exp (- x))) (- (exp x) (exp (- x))))
  (/ (+ (exp x) (exp (- x))) (- (sqrt (exp x)) (sqrt (exp (- x)))))
  (/ (+ (exp x) (exp (- x))) (- (exp x) (exp (- x))))
  (/ (- (exp x) (exp (- x))) (+ (pow (exp x) 3) (pow (exp (- x)) 3)))
  (/ (- (exp x) (exp (- x))) (- (* (exp x) (exp x)) (* (exp (- x)) (exp (- x)))))
  (* (+ (exp x) (exp (- x))) (+ (* (exp x) (exp x)) (+ (* (exp (- x)) (exp (- x))) (* (exp x) (exp (- x))))))
  (* (+ (exp x) (exp (- x))) (+ (exp x) (exp (- x))))
  (* (exp (exp x)) (exp (exp (- x))))
  (log (+ (exp x) (exp (- x))))
  (exp (+ (exp x) (exp (- x))))
  (* (cbrt (+ (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x)))))
  (cbrt (+ (exp x) (exp (- x))))
  (* (* (+ (exp x) (exp (- x))) (+ (exp x) (exp (- x)))) (+ (exp x) (exp (- x))))
  (sqrt (+ (exp x) (exp (- x))))
  (sqrt (+ (exp x) (exp (- x))))
  (+ (pow (exp x) 3) (pow (exp (- x)) 3))
  (+ (* (exp x) (exp x)) (- (* (exp (- x)) (exp (- x))) (* (exp x) (exp (- x)))))
  (- (* (exp x) (exp x)) (* (exp (- x)) (exp (- x))))
  (- (exp x) (exp (- x)))
  (+ (exp x) (exp (- x)))
  (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x)))
  (- (exp x) (exp (- x)))
  (- (exp x) (exp (* -1 x)))
  (- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3)))
  (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))
  (/ (- (exp x) (exp (* -1 x))) (+ (exp (* -1 x)) (exp x)))
  (+ (pow x 2) (+ (* 1/12 (pow x 4)) 2))
  (+ (exp x) (exp (- x)))
  (+ (exp (* -1 x)) (exp x))
0.295 * * [simplify]: iteration  0 :  281  enodes  (cost  936 )
0.300 * * [simplify]: iteration  1 :  947  enodes  (cost  870 )
0.319 * * [simplify]: iteration  2 :  4970  enodes  (cost  860 )
0.518 * * [simplify]: iteration  3 :  5003  enodes  (cost  860 )
0.522 * [simplify]: Simplified to:
   (exp (- (exp x) (exp (- x))))
  (log (- (exp x) (exp (- x))))
  (exp (- (exp x) (exp (- x))))
  (* (cbrt (- (exp x) (exp (- x)))) (cbrt (- (exp x) (exp (- x)))))
  (cbrt (- (exp x) (exp (- x))))
  (pow (- (exp x) (exp (- x))) 3)
  (sqrt (- (exp x) (exp (- x))))
  (sqrt (- (exp x) (exp (- x))))
  (- (pow (exp x) 3) (pow (exp (- x)) 3))
  (+ (+ 1 (exp (+ x x))) (pow (exp -1) (* 2 x)))
  (- (exp (* -1 x)))
  (- (/ (exp (+ x x)) 1) (/ (pow (exp x) -2) 1))
  (+ (exp (* -1 x)) (exp x))
  (+ (sqrt (exp x)) (sqrt (exp (- x))))
  (- (sqrt (exp x)) (sqrt (exp (- x))))
  (- (exp x) (exp (- x)))
  (- (exp (* -1 x)))
  (log (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x)))))
  (log (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x)))))
  (exp (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x)))))
  (pow (/ (- (exp x) (exp (* -1 x))) (+ (exp (* -1 x)) (exp x))) 3)
  (* (cbrt (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))) (cbrt (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))))
  (cbrt (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x)))))
  (pow (/ (- (exp x) (exp (* -1 x))) (+ (exp (* -1 x)) (exp x))) 3)
  (sqrt (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x)))))
  (sqrt (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x)))))
  (- (exp (- x)) (exp x))
  (- (+ (exp x) (exp (- x))))
  (/ (exp x) (+ (exp (* -1 x)) (exp x)))
  (/ 1 (+ 1 (exp (+ x x))))
  (/ (* (cbrt (- (exp x) (exp (- x)))) (cbrt (- (exp x) (exp (- x))))) (* (cbrt (+ (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x))))))
  (/ (cbrt (- (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x)))))
  (/ (* (cbrt (- (exp x) (exp (- x)))) (cbrt (- (exp x) (exp (- x))))) (sqrt (+ (exp x) (exp (- x)))))
  (/ (cbrt (- (exp x) (exp (- x)))) (sqrt (+ (exp x) (exp (- x)))))
  (* (cbrt (- (exp x) (exp (- x)))) (cbrt (- (exp x) (exp (- x)))))
  (/ (cbrt (- (exp x) (exp (- x)))) (+ (exp x) (exp (- x))))
  (* (cbrt (- (exp x) (exp (- x)))) (cbrt (- (exp x) (exp (- x)))))
  (/ (cbrt (- (exp x) (exp (- x)))) (+ (exp x) (exp (- x))))
  (/ (sqrt (- (exp x) (exp (- x)))) (* (cbrt (+ (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x))))))
  (/ (sqrt (- (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x)))))
  (/ (sqrt (- (exp x) (exp (- x)))) (sqrt (+ (exp x) (exp (- x)))))
  (/ (sqrt (- (exp x) (exp (- x)))) (sqrt (+ (exp x) (exp (- x)))))
  (sqrt (- (exp x) (exp (- x))))
  (/ (sqrt (- (exp x) (exp (- x)))) (+ (exp x) (exp (- x))))
  (sqrt (- (exp x) (exp (- x))))
  (/ (sqrt (- (exp x) (exp (- x)))) (+ (exp x) (exp (- x))))
  (/ 1 (* (cbrt (+ (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x))))))
  (/ (- (exp x) (exp (- x))) (cbrt (+ (exp x) (exp (- x)))))
  (/ 1 (sqrt (+ (exp x) (exp (- x)))))
  (/ (- (exp x) (exp (- x))) (sqrt (+ (exp x) (exp (- x)))))
  1
  (/ (- (exp x) (exp (* -1 x))) (+ (exp (* -1 x)) (exp x)))
  1
  (/ (- (exp x) (exp (* -1 x))) (+ (exp (* -1 x)) (exp x)))
  (/ (+ (sqrt (exp x)) (sqrt (exp (- x)))) (* (cbrt (+ (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x))))))
  (/ (- (sqrt (exp x)) (sqrt (exp (- x)))) (cbrt (+ (exp x) (exp (- x)))))
  (/ (+ (sqrt (exp x)) (sqrt (exp (- x)))) (sqrt (+ (exp x) (exp (- x)))))
  (/ (- (sqrt (exp x)) (sqrt (exp (- x)))) (sqrt (+ (exp x) (exp (- x)))))
  (+ (sqrt (exp x)) (sqrt (exp (- x))))
  (/ (- (sqrt (exp x)) (sqrt (exp (- x)))) (+ (exp x) (exp (- x))))
  (+ (sqrt (exp x)) (sqrt (exp (- x))))
  (/ (- (sqrt (exp x)) (sqrt (exp (- x)))) (+ (exp x) (exp (- x))))
  (/ 1 (* (cbrt (+ (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x))))))
  (/ (- (exp x) (exp (- x))) (cbrt (+ (exp x) (exp (- x)))))
  (/ 1 (sqrt (+ (exp x) (exp (- x)))))
  (/ (- (exp x) (exp (- x))) (sqrt (+ (exp x) (exp (- x)))))
  1
  (/ (- (exp x) (exp (* -1 x))) (+ (exp (* -1 x)) (exp x)))
  1
  (/ (- (exp x) (exp (* -1 x))) (+ (exp (* -1 x)) (exp x)))
  (/ 1 (+ (exp x) (exp (- x))))
  (/ (+ (exp x) (exp (- x))) (- (exp x) (exp (- x))))
  (/ (- (exp x) (exp (- x))) (* (cbrt (+ (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x))))))
  (/ (- (exp x) (exp (- x))) (sqrt (+ (exp x) (exp (- x)))))
  (- (exp x) (exp (- x)))
  (- (exp x) (exp (- x)))
  (/ (+ (exp x) (exp (- x))) (cbrt (- (exp x) (exp (- x)))))
  (/ (+ (exp x) (exp (- x))) (sqrt (- (exp x) (exp (- x)))))
  (/ (+ (exp x) (exp (- x))) (- (exp x) (exp (- x))))
  (/ (+ (exp x) (exp (- x))) (- (sqrt (exp x)) (sqrt (exp (- x)))))
  (/ (+ (exp x) (exp (- x))) (- (exp x) (exp (- x))))
  (/ (- (exp x) (exp (- x))) (+ (pow (exp x) 3) (pow (exp (- x)) 3)))
  (/ (- (exp x) (exp (- x))) (- (/ (exp (+ x x)) 1) (/ (pow (exp x) -2) 1)))
  (* (+ (+ 1 (exp (+ x x))) (pow (exp -1) (* 2 x))) (+ (exp (* -1 x)) (exp x)))
  (+ (pow (exp x) -2) (+ 1 (+ 1 (exp (+ x x)))))
  (exp (+ (exp x) (exp (- x))))
  (log (+ (exp (* -1 x)) (exp x)))
  (exp (+ (exp x) (exp (- x))))
  (* (cbrt (+ (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x)))))
  (cbrt (+ (exp x) (exp (- x))))
  (pow (+ (exp (* -1 x)) (exp x)) 3)
  (sqrt (+ (exp x) (exp (- x))))
  (sqrt (+ (exp x) (exp (- x))))
  (+ (pow (exp x) 3) (pow (exp (- x)) 3))
  (+ (pow (exp x) -2) (- (exp (+ x x)) 1))
  (- (/ (exp (+ x x)) 1) (/ (pow (exp x) -2) 1))
  (- (exp x) (exp (- x)))
  (+ (exp (* -1 x)) (exp x))
  (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x)))
  (- (exp x) (exp (- x)))
  (- (exp x) (exp (- x)))
  (- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3)))
  (/ (- (exp x) (exp (* -1 x))) (+ (exp (* -1 x)) (exp x)))
  (/ (- (exp x) (exp (* -1 x))) (+ (exp (* -1 x)) (exp x)))
  (+ (pow x 2) (+ (* 1/12 (pow x 4)) 2))
  (+ (exp (* -1 x)) (exp x))
  (+ (exp (* -1 x)) (exp x))
0.522 * * * [progress]: adding candidates to table
0.676 * * [progress]: iteration 2 / 4
0.676 * * * [progress]: picking best candidate
0.681 * * * * [pick]: Picked  #<alt (λ (x) (tanh x))>
0.682 * * * [progress]: localizing error
0.683 * * * [progress]: generating rewritten candidates
0.683 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.688 * * * [progress]: generating series expansions
0.688 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.688 * [approximate]: Taking taylor expansion of (tanh x) in (x) around 0
0.688 * [taylor]: Taking taylor expansion of (tanh x) in x
0.688 * [taylor]: Rewrote expression to (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))
0.688 * [taylor]: Taking taylor expansion of (- (exp x) (exp (- x))) in x
0.688 * [taylor]: Taking taylor expansion of (exp x) in x
0.688 * [taylor]: Taking taylor expansion of x in x
0.688 * [taylor]: Taking taylor expansion of (exp (- x)) in x
0.688 * [taylor]: Taking taylor expansion of (- x) in x
0.688 * [taylor]: Taking taylor expansion of x in x
0.689 * [taylor]: Taking taylor expansion of (+ (exp x) (exp (- x))) in x
0.689 * [taylor]: Taking taylor expansion of (exp x) in x
0.689 * [taylor]: Taking taylor expansion of x in x
0.689 * [taylor]: Taking taylor expansion of (exp (- x)) in x
0.689 * [taylor]: Taking taylor expansion of (- x) in x
0.689 * [taylor]: Taking taylor expansion of x in x
0.692 * [taylor]: Taking taylor expansion of (tanh x) in x
0.692 * [taylor]: Rewrote expression to (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))
0.692 * [taylor]: Taking taylor expansion of (- (exp x) (exp (- x))) in x
0.692 * [taylor]: Taking taylor expansion of (exp x) in x
0.692 * [taylor]: Taking taylor expansion of x in x
0.692 * [taylor]: Taking taylor expansion of (exp (- x)) in x
0.693 * [taylor]: Taking taylor expansion of (- x) in x
0.693 * [taylor]: Taking taylor expansion of x in x
0.693 * [taylor]: Taking taylor expansion of (+ (exp x) (exp (- x))) in x
0.693 * [taylor]: Taking taylor expansion of (exp x) in x
0.693 * [taylor]: Taking taylor expansion of x in x
0.693 * [taylor]: Taking taylor expansion of (exp (- x)) in x
0.693 * [taylor]: Taking taylor expansion of (- x) in x
0.693 * [taylor]: Taking taylor expansion of x in x
0.733 * [approximate]: Taking taylor expansion of (tanh (/ 1 x)) in (x) around 0
0.733 * [taylor]: Taking taylor expansion of (tanh (/ 1 x)) in x
0.733 * [taylor]: Rewrote expression to (/ (- (exp (/ 1 x)) (exp (- (/ 1 x)))) (+ (exp (/ 1 x)) (exp (- (/ 1 x)))))
0.733 * [taylor]: Taking taylor expansion of (- (exp (/ 1 x)) (exp (- (/ 1 x)))) in x
0.733 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.733 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.733 * [taylor]: Taking taylor expansion of x in x
0.733 * [taylor]: Taking taylor expansion of (exp (- (/ 1 x))) in x
0.733 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
0.733 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.733 * [taylor]: Taking taylor expansion of x in x
0.734 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (- (/ 1 x)))) in x
0.734 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.734 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.734 * [taylor]: Taking taylor expansion of x in x
0.734 * [taylor]: Taking taylor expansion of (exp (- (/ 1 x))) in x
0.734 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
0.734 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.734 * [taylor]: Taking taylor expansion of x in x
0.735 * [taylor]: Taking taylor expansion of (tanh (/ 1 x)) in x
0.735 * [taylor]: Rewrote expression to (/ (- (exp (/ 1 x)) (exp (- (/ 1 x)))) (+ (exp (/ 1 x)) (exp (- (/ 1 x)))))
0.735 * [taylor]: Taking taylor expansion of (- (exp (/ 1 x)) (exp (- (/ 1 x)))) in x
0.735 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.735 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.735 * [taylor]: Taking taylor expansion of x in x
0.736 * [taylor]: Taking taylor expansion of (exp (- (/ 1 x))) in x
0.736 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
0.736 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.736 * [taylor]: Taking taylor expansion of x in x
0.736 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (- (/ 1 x)))) in x
0.736 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.736 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.736 * [taylor]: Taking taylor expansion of x in x
0.736 * [taylor]: Taking taylor expansion of (exp (- (/ 1 x))) in x
0.736 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
0.737 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.737 * [taylor]: Taking taylor expansion of x in x
0.745 * [approximate]: Taking taylor expansion of (tanh (/ -1 x)) in (x) around 0
0.745 * [taylor]: Taking taylor expansion of (tanh (/ -1 x)) in x
0.746 * [taylor]: Rewrote expression to (/ (- (exp (/ -1 x)) (exp (- (/ -1 x)))) (+ (exp (/ -1 x)) (exp (- (/ -1 x)))))
0.746 * [taylor]: Taking taylor expansion of (- (exp (/ -1 x)) (exp (- (/ -1 x)))) in x
0.746 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.746 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.746 * [taylor]: Taking taylor expansion of -1 in x
0.746 * [taylor]: Taking taylor expansion of x in x
0.746 * [taylor]: Taking taylor expansion of (exp (- (/ -1 x))) in x
0.746 * [taylor]: Taking taylor expansion of (- (/ -1 x)) in x
0.746 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.746 * [taylor]: Taking taylor expansion of -1 in x
0.746 * [taylor]: Taking taylor expansion of x in x
0.747 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 x)) (exp (- (/ -1 x)))) in x
0.747 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.747 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.747 * [taylor]: Taking taylor expansion of -1 in x
0.747 * [taylor]: Taking taylor expansion of x in x
0.747 * [taylor]: Taking taylor expansion of (exp (- (/ -1 x))) in x
0.747 * [taylor]: Taking taylor expansion of (- (/ -1 x)) in x
0.747 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.747 * [taylor]: Taking taylor expansion of -1 in x
0.747 * [taylor]: Taking taylor expansion of x in x
0.748 * [taylor]: Taking taylor expansion of (tanh (/ -1 x)) in x
0.748 * [taylor]: Rewrote expression to (/ (- (exp (/ -1 x)) (exp (- (/ -1 x)))) (+ (exp (/ -1 x)) (exp (- (/ -1 x)))))
0.748 * [taylor]: Taking taylor expansion of (- (exp (/ -1 x)) (exp (- (/ -1 x)))) in x
0.748 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.748 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.748 * [taylor]: Taking taylor expansion of -1 in x
0.748 * [taylor]: Taking taylor expansion of x in x
0.748 * [taylor]: Taking taylor expansion of (exp (- (/ -1 x))) in x
0.748 * [taylor]: Taking taylor expansion of (- (/ -1 x)) in x
0.748 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.748 * [taylor]: Taking taylor expansion of -1 in x
0.748 * [taylor]: Taking taylor expansion of x in x
0.749 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 x)) (exp (- (/ -1 x)))) in x
0.749 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.749 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.749 * [taylor]: Taking taylor expansion of -1 in x
0.749 * [taylor]: Taking taylor expansion of x in x
0.749 * [taylor]: Taking taylor expansion of (exp (- (/ -1 x))) in x
0.749 * [taylor]: Taking taylor expansion of (- (/ -1 x)) in x
0.749 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.749 * [taylor]: Taking taylor expansion of -1 in x
0.749 * [taylor]: Taking taylor expansion of x in x
0.758 * * * [progress]: simplifying candidates
0.758 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (exp x) (exp (- x)))
  (+ (exp x) (exp (- x)))
  (- (exp (* 2 x)) 1)
  (+ (exp (* 2 x)) 1)
  (- 1 (exp (* -2 x)))
  (+ 1 (exp (* -2 x)))
  (log (tanh x))
  (exp (tanh x))
  (* (cbrt (tanh x)) (cbrt (tanh x)))
  (cbrt (tanh x))
  (* (* (tanh x) (tanh x)) (tanh x))
  (sqrt (tanh x))
  (sqrt (tanh x))
  (- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3)))
  (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))
  (/ (- (exp x) (exp (* -1 x))) (+ (exp (* -1 x)) (exp x)))
0.761 * * [simplify]: iteration  0 :  91  enodes  (cost  48 )
0.763 * * [simplify]: iteration  1 :  195  enodes  (cost  45 )
0.766 * * [simplify]: iteration  2 :  599  enodes  (cost  45 )
0.777 * * [simplify]: iteration  3 :  2891  enodes  (cost  45 )
0.828 * * [simplify]: iteration  4 :  5002  enodes  (cost  45 )
0.829 * [simplify]: Simplified to:
   (- (exp x) (exp (* -1 x)))
  (+ (exp (* -1 x)) (exp x))
  (- (exp (* 2 x)) 1)
  (+ (exp (* 2 x)) 1)
  (- 1 (exp (* -2 x)))
  (+ 1 (exp (* -2 x)))
  (log (tanh x))
  (exp (tanh x))
  (* (cbrt (tanh x)) (cbrt (tanh x)))
  (cbrt (tanh x))
  (pow (tanh x) 3)
  (sqrt (tanh x))
  (sqrt (tanh x))
  (- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3)))
  (tanh x)
  (tanh x)
0.829 * * * [progress]: adding candidates to table
0.849 * * [progress]: iteration 3 / 4
0.849 * * * [progress]: picking best candidate
0.853 * * * * [pick]: Picked  #<alt (λ (x) (- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3))))>
0.853 * * * [progress]: localizing error
0.861 * * * [progress]: generating rewritten candidates
0.861 * * * * [progress]: [ 1 / 4 ] rewriting at (2 2)
0.868 * * * * [progress]: [ 2 / 4 ] rewriting at (2 1 2)
0.873 * * * * [progress]: [ 3 / 4 ] rewriting at (2 1)
0.876 * * * * [progress]: [ 4 / 4 ] rewriting at (2)
0.884 * * * [progress]: generating series expansions
0.884 * * * * [progress]: [ 1 / 4 ] generating series at (2 2)
0.884 * [approximate]: Taking taylor expansion of (* 1/3 (pow x 3)) in (x) around 0
0.884 * [taylor]: Taking taylor expansion of (* 1/3 (pow x 3)) in x
0.884 * [taylor]: Taking taylor expansion of 1/3 in x
0.884 * [taylor]: Taking taylor expansion of (pow x 3) in x
0.884 * [taylor]: Taking taylor expansion of x in x
0.884 * [taylor]: Taking taylor expansion of (* 1/3 (pow x 3)) in x
0.884 * [taylor]: Taking taylor expansion of 1/3 in x
0.884 * [taylor]: Taking taylor expansion of (pow x 3) in x
0.884 * [taylor]: Taking taylor expansion of x in x
0.896 * [approximate]: Taking taylor expansion of (/ 1/3 (pow x 3)) in (x) around 0
0.896 * [taylor]: Taking taylor expansion of (/ 1/3 (pow x 3)) in x
0.896 * [taylor]: Taking taylor expansion of 1/3 in x
0.896 * [taylor]: Taking taylor expansion of (pow x 3) in x
0.896 * [taylor]: Taking taylor expansion of x in x
0.897 * [taylor]: Taking taylor expansion of (/ 1/3 (pow x 3)) in x
0.897 * [taylor]: Taking taylor expansion of 1/3 in x
0.897 * [taylor]: Taking taylor expansion of (pow x 3) in x
0.897 * [taylor]: Taking taylor expansion of x in x
0.908 * [approximate]: Taking taylor expansion of (/ -1/3 (pow x 3)) in (x) around 0
0.908 * [taylor]: Taking taylor expansion of (/ -1/3 (pow x 3)) in x
0.908 * [taylor]: Taking taylor expansion of -1/3 in x
0.908 * [taylor]: Taking taylor expansion of (pow x 3) in x
0.908 * [taylor]: Taking taylor expansion of x in x
0.908 * [taylor]: Taking taylor expansion of (/ -1/3 (pow x 3)) in x
0.908 * [taylor]: Taking taylor expansion of -1/3 in x
0.908 * [taylor]: Taking taylor expansion of (pow x 3) in x
0.908 * [taylor]: Taking taylor expansion of x in x
0.923 * * * * [progress]: [ 2 / 4 ] generating series at (2 1 2)
0.924 * [approximate]: Taking taylor expansion of (* 2/15 (pow x 5)) in (x) around 0
0.924 * [taylor]: Taking taylor expansion of (* 2/15 (pow x 5)) in x
0.924 * [taylor]: Taking taylor expansion of 2/15 in x
0.924 * [taylor]: Taking taylor expansion of (pow x 5) in x
0.924 * [taylor]: Taking taylor expansion of x in x
0.924 * [taylor]: Taking taylor expansion of (* 2/15 (pow x 5)) in x
0.924 * [taylor]: Taking taylor expansion of 2/15 in x
0.924 * [taylor]: Taking taylor expansion of (pow x 5) in x
0.924 * [taylor]: Taking taylor expansion of x in x
0.938 * [approximate]: Taking taylor expansion of (/ 2/15 (pow x 5)) in (x) around 0
0.939 * [taylor]: Taking taylor expansion of (/ 2/15 (pow x 5)) in x
0.939 * [taylor]: Taking taylor expansion of 2/15 in x
0.939 * [taylor]: Taking taylor expansion of (pow x 5) in x
0.939 * [taylor]: Taking taylor expansion of x in x
0.940 * [taylor]: Taking taylor expansion of (/ 2/15 (pow x 5)) in x
0.940 * [taylor]: Taking taylor expansion of 2/15 in x
0.940 * [taylor]: Taking taylor expansion of (pow x 5) in x
0.940 * [taylor]: Taking taylor expansion of x in x
0.954 * [approximate]: Taking taylor expansion of (/ -2/15 (pow x 5)) in (x) around 0
0.954 * [taylor]: Taking taylor expansion of (/ -2/15 (pow x 5)) in x
0.954 * [taylor]: Taking taylor expansion of -2/15 in x
0.954 * [taylor]: Taking taylor expansion of (pow x 5) in x
0.954 * [taylor]: Taking taylor expansion of x in x
0.955 * [taylor]: Taking taylor expansion of (/ -2/15 (pow x 5)) in x
0.955 * [taylor]: Taking taylor expansion of -2/15 in x
0.955 * [taylor]: Taking taylor expansion of (pow x 5) in x
0.955 * [taylor]: Taking taylor expansion of x in x
0.969 * * * * [progress]: [ 3 / 4 ] generating series at (2 1)
0.969 * [approximate]: Taking taylor expansion of (+ x (* 2/15 (pow x 5))) in (x) around 0
0.969 * [taylor]: Taking taylor expansion of (+ x (* 2/15 (pow x 5))) in x
0.969 * [taylor]: Taking taylor expansion of x in x
0.969 * [taylor]: Taking taylor expansion of (* 2/15 (pow x 5)) in x
0.969 * [taylor]: Taking taylor expansion of 2/15 in x
0.969 * [taylor]: Taking taylor expansion of (pow x 5) in x
0.969 * [taylor]: Taking taylor expansion of x in x
0.969 * [taylor]: Taking taylor expansion of (+ x (* 2/15 (pow x 5))) in x
0.969 * [taylor]: Taking taylor expansion of x in x
0.969 * [taylor]: Taking taylor expansion of (* 2/15 (pow x 5)) in x
0.969 * [taylor]: Taking taylor expansion of 2/15 in x
0.969 * [taylor]: Taking taylor expansion of (pow x 5) in x
0.969 * [taylor]: Taking taylor expansion of x in x
0.986 * [approximate]: Taking taylor expansion of (+ (* 2/15 (/ 1 (pow x 5))) (/ 1 x)) in (x) around 0
0.987 * [taylor]: Taking taylor expansion of (+ (* 2/15 (/ 1 (pow x 5))) (/ 1 x)) in x
0.987 * [taylor]: Taking taylor expansion of (* 2/15 (/ 1 (pow x 5))) in x
0.987 * [taylor]: Taking taylor expansion of 2/15 in x
0.987 * [taylor]: Taking taylor expansion of (/ 1 (pow x 5)) in x
0.987 * [taylor]: Taking taylor expansion of (pow x 5) in x
0.987 * [taylor]: Taking taylor expansion of x in x
0.988 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.988 * [taylor]: Taking taylor expansion of x in x
0.988 * [taylor]: Taking taylor expansion of (+ (* 2/15 (/ 1 (pow x 5))) (/ 1 x)) in x
0.988 * [taylor]: Taking taylor expansion of (* 2/15 (/ 1 (pow x 5))) in x
0.988 * [taylor]: Taking taylor expansion of 2/15 in x
0.988 * [taylor]: Taking taylor expansion of (/ 1 (pow x 5)) in x
0.988 * [taylor]: Taking taylor expansion of (pow x 5) in x
0.988 * [taylor]: Taking taylor expansion of x in x
0.989 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.989 * [taylor]: Taking taylor expansion of x in x
1.033 * [approximate]: Taking taylor expansion of (- (+ (* 2/15 (/ 1 (pow x 5))) (/ 1 x))) in (x) around 0
1.033 * [taylor]: Taking taylor expansion of (- (+ (* 2/15 (/ 1 (pow x 5))) (/ 1 x))) in x
1.033 * [taylor]: Taking taylor expansion of (+ (* 2/15 (/ 1 (pow x 5))) (/ 1 x)) in x
1.033 * [taylor]: Taking taylor expansion of (* 2/15 (/ 1 (pow x 5))) in x
1.033 * [taylor]: Taking taylor expansion of 2/15 in x
1.034 * [taylor]: Taking taylor expansion of (/ 1 (pow x 5)) in x
1.034 * [taylor]: Taking taylor expansion of (pow x 5) in x
1.034 * [taylor]: Taking taylor expansion of x in x
1.034 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.034 * [taylor]: Taking taylor expansion of x in x
1.035 * [taylor]: Taking taylor expansion of (- (+ (* 2/15 (/ 1 (pow x 5))) (/ 1 x))) in x
1.035 * [taylor]: Taking taylor expansion of (+ (* 2/15 (/ 1 (pow x 5))) (/ 1 x)) in x
1.035 * [taylor]: Taking taylor expansion of (* 2/15 (/ 1 (pow x 5))) in x
1.035 * [taylor]: Taking taylor expansion of 2/15 in x
1.035 * [taylor]: Taking taylor expansion of (/ 1 (pow x 5)) in x
1.035 * [taylor]: Taking taylor expansion of (pow x 5) in x
1.035 * [taylor]: Taking taylor expansion of x in x
1.036 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.036 * [taylor]: Taking taylor expansion of x in x
1.084 * * * * [progress]: [ 4 / 4 ] generating series at (2)
1.084 * [approximate]: Taking taylor expansion of (- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3))) in (x) around 0
1.084 * [taylor]: Taking taylor expansion of (- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3))) in x
1.084 * [taylor]: Taking taylor expansion of (+ x (* 2/15 (pow x 5))) in x
1.084 * [taylor]: Taking taylor expansion of x in x
1.084 * [taylor]: Taking taylor expansion of (* 2/15 (pow x 5)) in x
1.084 * [taylor]: Taking taylor expansion of 2/15 in x
1.084 * [taylor]: Taking taylor expansion of (pow x 5) in x
1.084 * [taylor]: Taking taylor expansion of x in x
1.084 * [taylor]: Taking taylor expansion of (* 1/3 (pow x 3)) in x
1.084 * [taylor]: Taking taylor expansion of 1/3 in x
1.084 * [taylor]: Taking taylor expansion of (pow x 3) in x
1.084 * [taylor]: Taking taylor expansion of x in x
1.084 * [taylor]: Taking taylor expansion of (- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3))) in x
1.084 * [taylor]: Taking taylor expansion of (+ x (* 2/15 (pow x 5))) in x
1.084 * [taylor]: Taking taylor expansion of x in x
1.084 * [taylor]: Taking taylor expansion of (* 2/15 (pow x 5)) in x
1.084 * [taylor]: Taking taylor expansion of 2/15 in x
1.084 * [taylor]: Taking taylor expansion of (pow x 5) in x
1.084 * [taylor]: Taking taylor expansion of x in x
1.084 * [taylor]: Taking taylor expansion of (* 1/3 (pow x 3)) in x
1.084 * [taylor]: Taking taylor expansion of 1/3 in x
1.084 * [taylor]: Taking taylor expansion of (pow x 3) in x
1.084 * [taylor]: Taking taylor expansion of x in x
1.093 * [approximate]: Taking taylor expansion of (- (+ (* 2/15 (/ 1 (pow x 5))) (/ 1 x)) (* 1/3 (/ 1 (pow x 3)))) in (x) around 0
1.093 * [taylor]: Taking taylor expansion of (- (+ (* 2/15 (/ 1 (pow x 5))) (/ 1 x)) (* 1/3 (/ 1 (pow x 3)))) in x
1.093 * [taylor]: Taking taylor expansion of (+ (* 2/15 (/ 1 (pow x 5))) (/ 1 x)) in x
1.093 * [taylor]: Taking taylor expansion of (* 2/15 (/ 1 (pow x 5))) in x
1.093 * [taylor]: Taking taylor expansion of 2/15 in x
1.093 * [taylor]: Taking taylor expansion of (/ 1 (pow x 5)) in x
1.093 * [taylor]: Taking taylor expansion of (pow x 5) in x
1.093 * [taylor]: Taking taylor expansion of x in x
1.094 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.094 * [taylor]: Taking taylor expansion of x in x
1.094 * [taylor]: Taking taylor expansion of (* 1/3 (/ 1 (pow x 3))) in x
1.094 * [taylor]: Taking taylor expansion of 1/3 in x
1.094 * [taylor]: Taking taylor expansion of (/ 1 (pow x 3)) in x
1.094 * [taylor]: Taking taylor expansion of (pow x 3) in x
1.094 * [taylor]: Taking taylor expansion of x in x
1.095 * [taylor]: Taking taylor expansion of (- (+ (* 2/15 (/ 1 (pow x 5))) (/ 1 x)) (* 1/3 (/ 1 (pow x 3)))) in x
1.095 * [taylor]: Taking taylor expansion of (+ (* 2/15 (/ 1 (pow x 5))) (/ 1 x)) in x
1.095 * [taylor]: Taking taylor expansion of (* 2/15 (/ 1 (pow x 5))) in x
1.095 * [taylor]: Taking taylor expansion of 2/15 in x
1.095 * [taylor]: Taking taylor expansion of (/ 1 (pow x 5)) in x
1.095 * [taylor]: Taking taylor expansion of (pow x 5) in x
1.095 * [taylor]: Taking taylor expansion of x in x
1.096 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.096 * [taylor]: Taking taylor expansion of x in x
1.096 * [taylor]: Taking taylor expansion of (* 1/3 (/ 1 (pow x 3))) in x
1.096 * [taylor]: Taking taylor expansion of 1/3 in x
1.096 * [taylor]: Taking taylor expansion of (/ 1 (pow x 3)) in x
1.097 * [taylor]: Taking taylor expansion of (pow x 3) in x
1.097 * [taylor]: Taking taylor expansion of x in x
1.115 * [approximate]: Taking taylor expansion of (- (* 1/3 (/ 1 (pow x 3))) (+ (* 2/15 (/ 1 (pow x 5))) (/ 1 x))) in (x) around 0
1.115 * [taylor]: Taking taylor expansion of (- (* 1/3 (/ 1 (pow x 3))) (+ (* 2/15 (/ 1 (pow x 5))) (/ 1 x))) in x
1.115 * [taylor]: Taking taylor expansion of (* 1/3 (/ 1 (pow x 3))) in x
1.115 * [taylor]: Taking taylor expansion of 1/3 in x
1.115 * [taylor]: Taking taylor expansion of (/ 1 (pow x 3)) in x
1.115 * [taylor]: Taking taylor expansion of (pow x 3) in x
1.115 * [taylor]: Taking taylor expansion of x in x
1.116 * [taylor]: Taking taylor expansion of (+ (* 2/15 (/ 1 (pow x 5))) (/ 1 x)) in x
1.116 * [taylor]: Taking taylor expansion of (* 2/15 (/ 1 (pow x 5))) in x
1.116 * [taylor]: Taking taylor expansion of 2/15 in x
1.116 * [taylor]: Taking taylor expansion of (/ 1 (pow x 5)) in x
1.116 * [taylor]: Taking taylor expansion of (pow x 5) in x
1.116 * [taylor]: Taking taylor expansion of x in x
1.117 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.117 * [taylor]: Taking taylor expansion of x in x
1.117 * [taylor]: Taking taylor expansion of (- (* 1/3 (/ 1 (pow x 3))) (+ (* 2/15 (/ 1 (pow x 5))) (/ 1 x))) in x
1.117 * [taylor]: Taking taylor expansion of (* 1/3 (/ 1 (pow x 3))) in x
1.117 * [taylor]: Taking taylor expansion of 1/3 in x
1.117 * [taylor]: Taking taylor expansion of (/ 1 (pow x 3)) in x
1.117 * [taylor]: Taking taylor expansion of (pow x 3) in x
1.117 * [taylor]: Taking taylor expansion of x in x
1.118 * [taylor]: Taking taylor expansion of (+ (* 2/15 (/ 1 (pow x 5))) (/ 1 x)) in x
1.118 * [taylor]: Taking taylor expansion of (* 2/15 (/ 1 (pow x 5))) in x
1.118 * [taylor]: Taking taylor expansion of 2/15 in x
1.118 * [taylor]: Taking taylor expansion of (/ 1 (pow x 5)) in x
1.118 * [taylor]: Taking taylor expansion of (pow x 5) in x
1.118 * [taylor]: Taking taylor expansion of x in x
1.119 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.119 * [taylor]: Taking taylor expansion of x in x
1.138 * * * [progress]: simplifying candidates
1.139 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+ (log 1/3) (* (log x) 3))
  (+ (log 1/3) (* (log x) 3))
  (+ (log 1/3) (log (pow x 3)))
  (log (* 1/3 (pow x 3)))
  (exp (* 1/3 (pow x 3)))
  (* (* (* 1/3 1/3) 1/3) (* (* (pow x 3) (pow x 3)) (pow x 3)))
  (* (cbrt (* 1/3 (pow x 3))) (cbrt (* 1/3 (pow x 3))))
  (cbrt (* 1/3 (pow x 3)))
  (* (* (* 1/3 (pow x 3)) (* 1/3 (pow x 3))) (* 1/3 (pow x 3)))
  (sqrt (* 1/3 (pow x 3)))
  (sqrt (* 1/3 (pow x 3)))
  (* (sqrt 1/3) (pow (sqrt x) 3))
  (* (sqrt 1/3) (pow (sqrt x) 3))
  (* (sqrt 1/3) (pow (sqrt x) 3))
  (* (sqrt 1/3) (pow (sqrt x) 3))
  (* (sqrt 1/3) (sqrt (pow x 3)))
  (* (sqrt 1/3) (sqrt (pow x 3)))
  (* (sqrt 1/3) (pow x (/ 3 2)))
  (* (sqrt 1/3) (pow x (/ 3 2)))
  (* 1/3 (pow (* (cbrt x) (cbrt x)) 3))
  (* 1/3 (pow (sqrt x) 3))
  (* 1/3 (pow 1 3))
  (* 1/3 (* x x))
  (* 1/3 (* (cbrt (pow x 3)) (cbrt (pow x 3))))
  (* 1/3 (pow (* (cbrt x) (cbrt x)) 3))
  (* 1/3 (pow (sqrt x) 3))
  (* 1/3 (pow 1 3))
  (* 1/3 x)
  (* 1/3 (sqrt (pow x 3)))
  (* 1/3 1)
  (* 1/3 (pow x (/ 3 2)))
  (* (cbrt 1/3) (pow x 3))
  (* (sqrt 1/3) (pow x 3))
  (* 1/3 (pow x 3))
  (+ (log 2/15) (* (log x) 5))
  (+ (log 2/15) (* (log x) 5))
  (+ (log 2/15) (log (pow x 5)))
  (log (* 2/15 (pow x 5)))
  (exp (* 2/15 (pow x 5)))
  (* (* (* 2/15 2/15) 2/15) (* (* (pow x 5) (pow x 5)) (pow x 5)))
  (* (cbrt (* 2/15 (pow x 5))) (cbrt (* 2/15 (pow x 5))))
  (cbrt (* 2/15 (pow x 5)))
  (* (* (* 2/15 (pow x 5)) (* 2/15 (pow x 5))) (* 2/15 (pow x 5)))
  (sqrt (* 2/15 (pow x 5)))
  (sqrt (* 2/15 (pow x 5)))
  (* (sqrt 2/15) (pow (sqrt x) 5))
  (* (sqrt 2/15) (pow (sqrt x) 5))
  (* (sqrt 2/15) (sqrt (pow x 5)))
  (* (sqrt 2/15) (sqrt (pow x 5)))
  (* (sqrt 2/15) (pow x (/ 5 2)))
  (* (sqrt 2/15) (pow x (/ 5 2)))
  (* 2/15 (pow (* (cbrt x) (cbrt x)) 5))
  (* 2/15 (pow (sqrt x) 5))
  (* 2/15 (pow 1 5))
  (* 2/15 (* (cbrt (pow x 5)) (cbrt (pow x 5))))
  (* 2/15 (sqrt (pow x 5)))
  (* 2/15 1)
  (* 2/15 (pow x (/ 5 2)))
  (* (cbrt 2/15) (pow x 5))
  (* (sqrt 2/15) (pow x 5))
  (* 2/15 (pow x 5))
  (* (exp x) (exp (* 2/15 (pow x 5))))
  (log (+ x (* 2/15 (pow x 5))))
  (exp (+ x (* 2/15 (pow x 5))))
  (* (cbrt (+ x (* 2/15 (pow x 5)))) (cbrt (+ x (* 2/15 (pow x 5)))))
  (cbrt (+ x (* 2/15 (pow x 5))))
  (* (* (+ x (* 2/15 (pow x 5))) (+ x (* 2/15 (pow x 5)))) (+ x (* 2/15 (pow x 5))))
  (sqrt (+ x (* 2/15 (pow x 5))))
  (sqrt (+ x (* 2/15 (pow x 5))))
  (+ (pow x 3) (pow (* 2/15 (pow x 5)) 3))
  (+ (* x x) (- (* (* 2/15 (pow x 5)) (* 2/15 (pow x 5))) (* x (* 2/15 (pow x 5)))))
  (- (* x x) (* (* 2/15 (pow x 5)) (* 2/15 (pow x 5))))
  (- x (* 2/15 (pow x 5)))
  (/ (* (exp x) (exp (* 2/15 (pow x 5)))) (exp (* 1/3 (pow x 3))))
  (/ (exp (+ x (* 2/15 (pow x 5)))) (exp (* 1/3 (pow x 3))))
  (log (- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3))))
  (exp (- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3))))
  (* (cbrt (- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3)))) (cbrt (- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3)))))
  (cbrt (- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3))))
  (* (* (- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3))) (- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3)))) (- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3))))
  (sqrt (- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3))))
  (sqrt (- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3))))
  (- (pow (+ x (* 2/15 (pow x 5))) 3) (pow (* 1/3 (pow x 3)) 3))
  (+ (* (+ x (* 2/15 (pow x 5))) (+ x (* 2/15 (pow x 5)))) (+ (* (* 1/3 (pow x 3)) (* 1/3 (pow x 3))) (* (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3)))))
  (- (* 1/3 (pow x 3)))
  (- (* (+ x (* 2/15 (pow x 5))) (+ x (* 2/15 (pow x 5)))) (* (* 1/3 (pow x 3)) (* 1/3 (pow x 3))))
  (+ (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3)))
  (- (* 2/15 (pow x 5)) (* 1/3 (pow x 3)))
  (- (* 1/3 (pow x 3)))
  (* 1/3 (pow x 3))
  (* 1/3 (pow x 3))
  (* 1/3 (pow x 3))
  (* 2/15 (pow x 5))
  (* 2/15 (pow x 5))
  (* 2/15 (pow x 5))
  (+ x (* 2/15 (pow x 5)))
  (+ x (* 2/15 (pow x 5)))
  (+ x (* 2/15 (pow x 5)))
  (- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3)))
  (- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3)))
  (- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3)))
1.145 * * [simplify]: iteration  0 :  314  enodes  (cost  427 )
1.152 * * [simplify]: iteration  1 :  1376  enodes  (cost  401 )
1.183 * * [simplify]: iteration  2 :  5001  enodes  (cost  396 )
1.187 * [simplify]: Simplified to:
   (log (* 1/3 (pow x 3)))
  (log (* 1/3 (pow x 3)))
  (log (* 1/3 (pow x 3)))
  (log (* 1/3 (pow x 3)))
  (exp (* 1/3 (pow x 3)))
  (pow (* 1/3 (pow x 3)) 3)
  (* (cbrt (* 1/3 (pow x 3))) (cbrt (* 1/3 (pow x 3))))
  (cbrt (* 1/3 (pow x 3)))
  (pow (* 1/3 (pow x 3)) 3)
  (sqrt (* 1/3 (pow x 3)))
  (sqrt (* 1/3 (pow x 3)))
  (* (sqrt 1/3) (pow (sqrt x) 3))
  (* (sqrt 1/3) (pow (sqrt x) 3))
  (* (sqrt 1/3) (pow (sqrt x) 3))
  (* (sqrt 1/3) (pow (sqrt x) 3))
  (* (sqrt 1/3) (sqrt (pow x 3)))
  (* (sqrt 1/3) (sqrt (pow x 3)))
  (* (sqrt 1/3) (pow x 3/2))
  (* (sqrt 1/3) (pow x 3/2))
  (* (* 1/3 x) x)
  (* 1/3 (pow (sqrt x) 3))
  1/3
  (* (* 1/3 x) x)
  (* (* 1/3 x) x)
  (* (* 1/3 x) x)
  (* 1/3 (pow (sqrt x) 3))
  1/3
  (* 1/3 x)
  (* 1/3 (sqrt (pow x 3)))
  1/3
  (* 1/3 (pow x 3/2))
  (* (cbrt 1/3) (pow x 3))
  (* (sqrt 1/3) (pow x 3))
  (* 1/3 (pow x 3))
  (log (* 2/15 (pow x 5)))
  (log (* 2/15 (pow x 5)))
  (log (* 2/15 (pow x 5)))
  (log (* 2/15 (pow x 5)))
  (exp (* 2/15 (pow x 5)))
  (pow (* 2/15 (pow x 5)) 3)
  (* (cbrt (* 2/15 (pow x 5))) (cbrt (* 2/15 (pow x 5))))
  (cbrt (* 2/15 (pow x 5)))
  (pow (* 2/15 (pow x 5)) 3)
  (sqrt (* 2/15 (pow x 5)))
  (sqrt (* 2/15 (pow x 5)))
  (* (sqrt 2/15) (pow (sqrt x) 5))
  (* (sqrt 2/15) (pow (sqrt x) 5))
  (* (sqrt 2/15) (sqrt (pow x 5)))
  (* (sqrt 2/15) (sqrt (pow x 5)))
  (* (sqrt 2/15) (pow x 5/2))
  (* (sqrt 2/15) (pow x 5/2))
  (* 2/15 (pow (* (cbrt x) (cbrt x)) 5))
  (* 2/15 (pow (sqrt x) 5))
  2/15
  (* 2/15 (* (cbrt (pow x 5)) (cbrt (pow x 5))))
  (* 2/15 (sqrt (pow x 5)))
  2/15
  (* 2/15 (pow x 5/2))
  (* (cbrt 2/15) (pow x 5))
  (* (sqrt 2/15) (pow x 5))
  (* 2/15 (pow x 5))
  (exp (+ x (* 2/15 (pow x 5))))
  (log (+ x (* 2/15 (pow x 5))))
  (exp (+ x (* 2/15 (pow x 5))))
  (* (cbrt (+ x (* 2/15 (pow x 5)))) (cbrt (+ x (* 2/15 (pow x 5)))))
  (cbrt (+ x (* 2/15 (pow x 5))))
  (pow (+ x (* 2/15 (pow x 5))) 3)
  (sqrt (+ x (* 2/15 (pow x 5))))
  (sqrt (+ x (* 2/15 (pow x 5))))
  (+ (pow x 3) (pow (* 2/15 (pow x 5)) 3))
  (+ (* 2/15 (- (* (pow x 10) 2/15) (pow x 6))) (* x x))
  (- (* x x) (* (pow x 10) 4/225))
  (- x (* 2/15 (pow x 5)))
  (exp (- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3))))
  (exp (- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3))))
  (log (- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3))))
  (exp (- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3))))
  (* (cbrt (- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3)))) (cbrt (- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3)))))
  (cbrt (- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3))))
  (pow (- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3))) 3)
  (sqrt (- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3))))
  (sqrt (- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3))))
  (- (pow (+ x (* 2/15 (pow x 5))) 3) (pow (* 1/3 (pow x 3)) 3))
  (+ (* (+ x (* 2/15 (pow x 5))) (+ (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3)))) (* (pow x 6) 1/9))
  (- (* 1/3 (pow x 3)))
  (+ (* (- 1/9) (pow x 6)) (* (+ x (* 2/15 (pow x 5))) (+ x (* 2/15 (pow x 5)))))
  (+ (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3)))
  (- (* 2/15 (pow x 5)) (* 1/3 (pow x 3)))
  (- (* 1/3 (pow x 3)))
  (* 1/3 (pow x 3))
  (* 1/3 (pow x 3))
  (* 1/3 (pow x 3))
  (* 2/15 (pow x 5))
  (* 2/15 (pow x 5))
  (* 2/15 (pow x 5))
  (+ x (* 2/15 (pow x 5)))
  (+ x (* 2/15 (pow x 5)))
  (+ x (* 2/15 (pow x 5)))
  (- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3)))
  (- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3)))
  (- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3)))
1.187 * * * [progress]: adding candidates to table
1.339 * * [progress]: iteration 4 / 4
1.339 * * * [progress]: picking best candidate
1.340 * * * * [pick]: Picked  #<alt (λ (x) (/ (- (exp (* 2 x)) 1) (+ (exp (* 2 x)) 1)))>
1.340 * * * [progress]: localizing error
1.347 * * * [progress]: generating rewritten candidates
1.347 * * * * [progress]: [ 1 / 3 ] rewriting at (2 1)
1.351 * * * * [progress]: [ 2 / 3 ] rewriting at (2)
1.361 * * * * [progress]: [ 3 / 3 ] rewriting at (2 2)
1.367 * * * [progress]: generating series expansions
1.367 * * * * [progress]: [ 1 / 3 ] generating series at (2 1)
1.368 * [approximate]: Taking taylor expansion of (- (exp (* 2 x)) 1) in (x) around 0
1.368 * [taylor]: Taking taylor expansion of (- (exp (* 2 x)) 1) in x
1.368 * [taylor]: Taking taylor expansion of (exp (* 2 x)) in x
1.368 * [taylor]: Taking taylor expansion of (* 2 x) in x
1.368 * [taylor]: Taking taylor expansion of 2 in x
1.368 * [taylor]: Taking taylor expansion of x in x
1.369 * [taylor]: Taking taylor expansion of 1 in x
1.369 * [taylor]: Taking taylor expansion of (- (exp (* 2 x)) 1) in x
1.369 * [taylor]: Taking taylor expansion of (exp (* 2 x)) in x
1.369 * [taylor]: Taking taylor expansion of (* 2 x) in x
1.369 * [taylor]: Taking taylor expansion of 2 in x
1.369 * [taylor]: Taking taylor expansion of x in x
1.369 * [taylor]: Taking taylor expansion of 1 in x
1.376 * [approximate]: Taking taylor expansion of (- (exp (/ 2 x)) 1) in (x) around 0
1.376 * [taylor]: Taking taylor expansion of (- (exp (/ 2 x)) 1) in x
1.376 * [taylor]: Taking taylor expansion of (exp (/ 2 x)) in x
1.376 * [taylor]: Taking taylor expansion of (/ 2 x) in x
1.376 * [taylor]: Taking taylor expansion of 2 in x
1.376 * [taylor]: Taking taylor expansion of x in x
1.376 * [taylor]: Taking taylor expansion of 1 in x
1.376 * [taylor]: Taking taylor expansion of (- (exp (/ 2 x)) 1) in x
1.376 * [taylor]: Taking taylor expansion of (exp (/ 2 x)) in x
1.376 * [taylor]: Taking taylor expansion of (/ 2 x) in x
1.376 * [taylor]: Taking taylor expansion of 2 in x
1.376 * [taylor]: Taking taylor expansion of x in x
1.377 * [taylor]: Taking taylor expansion of 1 in x
1.380 * [approximate]: Taking taylor expansion of (- (exp (/ -2 x)) 1) in (x) around 0
1.380 * [taylor]: Taking taylor expansion of (- (exp (/ -2 x)) 1) in x
1.380 * [taylor]: Taking taylor expansion of (exp (/ -2 x)) in x
1.380 * [taylor]: Taking taylor expansion of (/ -2 x) in x
1.380 * [taylor]: Taking taylor expansion of -2 in x
1.380 * [taylor]: Taking taylor expansion of x in x
1.380 * [taylor]: Taking taylor expansion of 1 in x
1.380 * [taylor]: Taking taylor expansion of (- (exp (/ -2 x)) 1) in x
1.380 * [taylor]: Taking taylor expansion of (exp (/ -2 x)) in x
1.380 * [taylor]: Taking taylor expansion of (/ -2 x) in x
1.380 * [taylor]: Taking taylor expansion of -2 in x
1.380 * [taylor]: Taking taylor expansion of x in x
1.381 * [taylor]: Taking taylor expansion of 1 in x
1.384 * * * * [progress]: [ 2 / 3 ] generating series at (2)
1.384 * [approximate]: Taking taylor expansion of (/ (- (exp (* 2 x)) 1) (+ (exp (* 2 x)) 1)) in (x) around 0
1.384 * [taylor]: Taking taylor expansion of (/ (- (exp (* 2 x)) 1) (+ (exp (* 2 x)) 1)) in x
1.384 * [taylor]: Taking taylor expansion of (- (exp (* 2 x)) 1) in x
1.384 * [taylor]: Taking taylor expansion of (exp (* 2 x)) in x
1.384 * [taylor]: Taking taylor expansion of (* 2 x) in x
1.384 * [taylor]: Taking taylor expansion of 2 in x
1.384 * [taylor]: Taking taylor expansion of x in x
1.385 * [taylor]: Taking taylor expansion of 1 in x
1.385 * [taylor]: Taking taylor expansion of (+ (exp (* 2 x)) 1) in x
1.385 * [taylor]: Taking taylor expansion of (exp (* 2 x)) in x
1.385 * [taylor]: Taking taylor expansion of (* 2 x) in x
1.385 * [taylor]: Taking taylor expansion of 2 in x
1.385 * [taylor]: Taking taylor expansion of x in x
1.385 * [taylor]: Taking taylor expansion of 1 in x
1.387 * [taylor]: Taking taylor expansion of (/ (- (exp (* 2 x)) 1) (+ (exp (* 2 x)) 1)) in x
1.387 * [taylor]: Taking taylor expansion of (- (exp (* 2 x)) 1) in x
1.387 * [taylor]: Taking taylor expansion of (exp (* 2 x)) in x
1.387 * [taylor]: Taking taylor expansion of (* 2 x) in x
1.387 * [taylor]: Taking taylor expansion of 2 in x
1.387 * [taylor]: Taking taylor expansion of x in x
1.388 * [taylor]: Taking taylor expansion of 1 in x
1.388 * [taylor]: Taking taylor expansion of (+ (exp (* 2 x)) 1) in x
1.388 * [taylor]: Taking taylor expansion of (exp (* 2 x)) in x
1.388 * [taylor]: Taking taylor expansion of (* 2 x) in x
1.388 * [taylor]: Taking taylor expansion of 2 in x
1.388 * [taylor]: Taking taylor expansion of x in x
1.389 * [taylor]: Taking taylor expansion of 1 in x
1.413 * [approximate]: Taking taylor expansion of (/ (- (exp (/ 2 x)) 1) (+ (exp (/ 2 x)) 1)) in (x) around 0
1.413 * [taylor]: Taking taylor expansion of (/ (- (exp (/ 2 x)) 1) (+ (exp (/ 2 x)) 1)) in x
1.413 * [taylor]: Taking taylor expansion of (- (exp (/ 2 x)) 1) in x
1.413 * [taylor]: Taking taylor expansion of (exp (/ 2 x)) in x
1.413 * [taylor]: Taking taylor expansion of (/ 2 x) in x
1.413 * [taylor]: Taking taylor expansion of 2 in x
1.413 * [taylor]: Taking taylor expansion of x in x
1.413 * [taylor]: Taking taylor expansion of 1 in x
1.413 * [taylor]: Taking taylor expansion of (+ (exp (/ 2 x)) 1) in x
1.413 * [taylor]: Taking taylor expansion of (exp (/ 2 x)) in x
1.413 * [taylor]: Taking taylor expansion of (/ 2 x) in x
1.413 * [taylor]: Taking taylor expansion of 2 in x
1.413 * [taylor]: Taking taylor expansion of x in x
1.414 * [taylor]: Taking taylor expansion of 1 in x
1.414 * [taylor]: Taking taylor expansion of (/ (- (exp (/ 2 x)) 1) (+ (exp (/ 2 x)) 1)) in x
1.414 * [taylor]: Taking taylor expansion of (- (exp (/ 2 x)) 1) in x
1.414 * [taylor]: Taking taylor expansion of (exp (/ 2 x)) in x
1.414 * [taylor]: Taking taylor expansion of (/ 2 x) in x
1.414 * [taylor]: Taking taylor expansion of 2 in x
1.414 * [taylor]: Taking taylor expansion of x in x
1.414 * [taylor]: Taking taylor expansion of 1 in x
1.414 * [taylor]: Taking taylor expansion of (+ (exp (/ 2 x)) 1) in x
1.414 * [taylor]: Taking taylor expansion of (exp (/ 2 x)) in x
1.415 * [taylor]: Taking taylor expansion of (/ 2 x) in x
1.415 * [taylor]: Taking taylor expansion of 2 in x
1.415 * [taylor]: Taking taylor expansion of x in x
1.415 * [taylor]: Taking taylor expansion of 1 in x
1.426 * [approximate]: Taking taylor expansion of (/ (- (exp (/ -2 x)) 1) (+ (exp (/ -2 x)) 1)) in (x) around 0
1.426 * [taylor]: Taking taylor expansion of (/ (- (exp (/ -2 x)) 1) (+ (exp (/ -2 x)) 1)) in x
1.426 * [taylor]: Taking taylor expansion of (- (exp (/ -2 x)) 1) in x
1.426 * [taylor]: Taking taylor expansion of (exp (/ -2 x)) in x
1.426 * [taylor]: Taking taylor expansion of (/ -2 x) in x
1.426 * [taylor]: Taking taylor expansion of -2 in x
1.427 * [taylor]: Taking taylor expansion of x in x
1.427 * [taylor]: Taking taylor expansion of 1 in x
1.427 * [taylor]: Taking taylor expansion of (+ (exp (/ -2 x)) 1) in x
1.427 * [taylor]: Taking taylor expansion of (exp (/ -2 x)) in x
1.427 * [taylor]: Taking taylor expansion of (/ -2 x) in x
1.427 * [taylor]: Taking taylor expansion of -2 in x
1.427 * [taylor]: Taking taylor expansion of x in x
1.427 * [taylor]: Taking taylor expansion of 1 in x
1.428 * [taylor]: Taking taylor expansion of (/ (- (exp (/ -2 x)) 1) (+ (exp (/ -2 x)) 1)) in x
1.428 * [taylor]: Taking taylor expansion of (- (exp (/ -2 x)) 1) in x
1.428 * [taylor]: Taking taylor expansion of (exp (/ -2 x)) in x
1.428 * [taylor]: Taking taylor expansion of (/ -2 x) in x
1.428 * [taylor]: Taking taylor expansion of -2 in x
1.428 * [taylor]: Taking taylor expansion of x in x
1.428 * [taylor]: Taking taylor expansion of 1 in x
1.428 * [taylor]: Taking taylor expansion of (+ (exp (/ -2 x)) 1) in x
1.428 * [taylor]: Taking taylor expansion of (exp (/ -2 x)) in x
1.428 * [taylor]: Taking taylor expansion of (/ -2 x) in x
1.428 * [taylor]: Taking taylor expansion of -2 in x
1.428 * [taylor]: Taking taylor expansion of x in x
1.428 * [taylor]: Taking taylor expansion of 1 in x
1.435 * * * * [progress]: [ 3 / 3 ] generating series at (2 2)
1.435 * [approximate]: Taking taylor expansion of (+ (exp (* 2 x)) 1) in (x) around 0
1.435 * [taylor]: Taking taylor expansion of (+ (exp (* 2 x)) 1) in x
1.435 * [taylor]: Taking taylor expansion of (exp (* 2 x)) in x
1.435 * [taylor]: Taking taylor expansion of (* 2 x) in x
1.435 * [taylor]: Taking taylor expansion of 2 in x
1.435 * [taylor]: Taking taylor expansion of x in x
1.436 * [taylor]: Taking taylor expansion of 1 in x
1.436 * [taylor]: Taking taylor expansion of (+ (exp (* 2 x)) 1) in x
1.436 * [taylor]: Taking taylor expansion of (exp (* 2 x)) in x
1.436 * [taylor]: Taking taylor expansion of (* 2 x) in x
1.436 * [taylor]: Taking taylor expansion of 2 in x
1.436 * [taylor]: Taking taylor expansion of x in x
1.437 * [taylor]: Taking taylor expansion of 1 in x
1.440 * [approximate]: Taking taylor expansion of (+ (exp (/ 2 x)) 1) in (x) around 0
1.440 * [taylor]: Taking taylor expansion of (+ (exp (/ 2 x)) 1) in x
1.440 * [taylor]: Taking taylor expansion of (exp (/ 2 x)) in x
1.440 * [taylor]: Taking taylor expansion of (/ 2 x) in x
1.440 * [taylor]: Taking taylor expansion of 2 in x
1.440 * [taylor]: Taking taylor expansion of x in x
1.440 * [taylor]: Taking taylor expansion of 1 in x
1.440 * [taylor]: Taking taylor expansion of (+ (exp (/ 2 x)) 1) in x
1.440 * [taylor]: Taking taylor expansion of (exp (/ 2 x)) in x
1.440 * [taylor]: Taking taylor expansion of (/ 2 x) in x
1.440 * [taylor]: Taking taylor expansion of 2 in x
1.440 * [taylor]: Taking taylor expansion of x in x
1.441 * [taylor]: Taking taylor expansion of 1 in x
1.442 * [approximate]: Taking taylor expansion of (+ (exp (/ -2 x)) 1) in (x) around 0
1.442 * [taylor]: Taking taylor expansion of (+ (exp (/ -2 x)) 1) in x
1.442 * [taylor]: Taking taylor expansion of (exp (/ -2 x)) in x
1.442 * [taylor]: Taking taylor expansion of (/ -2 x) in x
1.442 * [taylor]: Taking taylor expansion of -2 in x
1.442 * [taylor]: Taking taylor expansion of x in x
1.443 * [taylor]: Taking taylor expansion of 1 in x
1.443 * [taylor]: Taking taylor expansion of (+ (exp (/ -2 x)) 1) in x
1.443 * [taylor]: Taking taylor expansion of (exp (/ -2 x)) in x
1.443 * [taylor]: Taking taylor expansion of (/ -2 x) in x
1.443 * [taylor]: Taking taylor expansion of -2 in x
1.443 * [taylor]: Taking taylor expansion of x in x
1.443 * [taylor]: Taking taylor expansion of 1 in x
1.445 * * * [progress]: simplifying candidates
1.446 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (exp (exp (* 2 x))) (exp 1))
  (log (- (exp (* 2 x)) 1))
  (exp (- (exp (* 2 x)) 1))
  (* (cbrt (- (exp (* 2 x)) 1)) (cbrt (- (exp (* 2 x)) 1)))
  (cbrt (- (exp (* 2 x)) 1))
  (* (* (- (exp (* 2 x)) 1) (- (exp (* 2 x)) 1)) (- (exp (* 2 x)) 1))
  (sqrt (- (exp (* 2 x)) 1))
  (sqrt (- (exp (* 2 x)) 1))
  (- (pow (exp (* 2 x)) 3) (pow 1 3))
  (+ (* (exp (* 2 x)) (exp (* 2 x))) (+ (* 1 1) (* (exp (* 2 x)) 1)))
  (- 1)
  (- (* (exp (* 2 x)) (exp (* 2 x))) (* 1 1))
  (+ (exp (* 2 x)) 1)
  (+ (sqrt (exp (* 2 x))) (sqrt 1))
  (- (sqrt (exp (* 2 x))) (sqrt 1))
  (+ (sqrt (exp (* 2 x))) 1)
  (- (sqrt (exp (* 2 x))) 1)
  (+ (sqrt (exp (* 2 x))) 1)
  (- (sqrt (exp (* 2 x))) 1)
  (- (exp (* 2 x)) 1)
  (- 1)
  (- (log (- (exp (* 2 x)) 1)) (log (+ (exp (* 2 x)) 1)))
  (log (/ (- (exp (* 2 x)) 1) (+ (exp (* 2 x)) 1)))
  (exp (/ (- (exp (* 2 x)) 1) (+ (exp (* 2 x)) 1)))
  (/ (* (* (- (exp (* 2 x)) 1) (- (exp (* 2 x)) 1)) (- (exp (* 2 x)) 1)) (* (* (+ (exp (* 2 x)) 1) (+ (exp (* 2 x)) 1)) (+ (exp (* 2 x)) 1)))
  (* (cbrt (/ (- (exp (* 2 x)) 1) (+ (exp (* 2 x)) 1))) (cbrt (/ (- (exp (* 2 x)) 1) (+ (exp (* 2 x)) 1))))
  (cbrt (/ (- (exp (* 2 x)) 1) (+ (exp (* 2 x)) 1)))
  (* (* (/ (- (exp (* 2 x)) 1) (+ (exp (* 2 x)) 1)) (/ (- (exp (* 2 x)) 1) (+ (exp (* 2 x)) 1))) (/ (- (exp (* 2 x)) 1) (+ (exp (* 2 x)) 1)))
  (sqrt (/ (- (exp (* 2 x)) 1) (+ (exp (* 2 x)) 1)))
  (sqrt (/ (- (exp (* 2 x)) 1) (+ (exp (* 2 x)) 1)))
  (- (- (exp (* 2 x)) 1))
  (- (+ (exp (* 2 x)) 1))
  (/ (exp (* 2 x)) (+ (exp (* 2 x)) 1))
  (/ 1 (+ (exp (* 2 x)) 1))
  (/ (* (cbrt (- (exp (* 2 x)) 1)) (cbrt (- (exp (* 2 x)) 1))) (* (cbrt (+ (exp (* 2 x)) 1)) (cbrt (+ (exp (* 2 x)) 1))))
  (/ (cbrt (- (exp (* 2 x)) 1)) (cbrt (+ (exp (* 2 x)) 1)))
  (/ (* (cbrt (- (exp (* 2 x)) 1)) (cbrt (- (exp (* 2 x)) 1))) (sqrt (+ (exp (* 2 x)) 1)))
  (/ (cbrt (- (exp (* 2 x)) 1)) (sqrt (+ (exp (* 2 x)) 1)))
  (/ (* (cbrt (- (exp (* 2 x)) 1)) (cbrt (- (exp (* 2 x)) 1))) 1)
  (/ (cbrt (- (exp (* 2 x)) 1)) (+ (exp (* 2 x)) 1))
  (/ (* (cbrt (- (exp (* 2 x)) 1)) (cbrt (- (exp (* 2 x)) 1))) 1)
  (/ (cbrt (- (exp (* 2 x)) 1)) (+ (exp (* 2 x)) 1))
  (/ (sqrt (- (exp (* 2 x)) 1)) (* (cbrt (+ (exp (* 2 x)) 1)) (cbrt (+ (exp (* 2 x)) 1))))
  (/ (sqrt (- (exp (* 2 x)) 1)) (cbrt (+ (exp (* 2 x)) 1)))
  (/ (sqrt (- (exp (* 2 x)) 1)) (sqrt (+ (exp (* 2 x)) 1)))
  (/ (sqrt (- (exp (* 2 x)) 1)) (sqrt (+ (exp (* 2 x)) 1)))
  (/ (sqrt (- (exp (* 2 x)) 1)) 1)
  (/ (sqrt (- (exp (* 2 x)) 1)) (+ (exp (* 2 x)) 1))
  (/ (sqrt (- (exp (* 2 x)) 1)) 1)
  (/ (sqrt (- (exp (* 2 x)) 1)) (+ (exp (* 2 x)) 1))
  (/ 1 (* (cbrt (+ (exp (* 2 x)) 1)) (cbrt (+ (exp (* 2 x)) 1))))
  (/ (- (exp (* 2 x)) 1) (cbrt (+ (exp (* 2 x)) 1)))
  (/ 1 (sqrt (+ (exp (* 2 x)) 1)))
  (/ (- (exp (* 2 x)) 1) (sqrt (+ (exp (* 2 x)) 1)))
  (/ 1 1)
  (/ (- (exp (* 2 x)) 1) (+ (exp (* 2 x)) 1))
  (/ 1 1)
  (/ (- (exp (* 2 x)) 1) (+ (exp (* 2 x)) 1))
  (/ (+ (sqrt (exp (* 2 x))) (sqrt 1)) (* (cbrt (+ (exp (* 2 x)) 1)) (cbrt (+ (exp (* 2 x)) 1))))
  (/ (- (sqrt (exp (* 2 x))) (sqrt 1)) (cbrt (+ (exp (* 2 x)) 1)))
  (/ (+ (sqrt (exp (* 2 x))) (sqrt 1)) (sqrt (+ (exp (* 2 x)) 1)))
  (/ (- (sqrt (exp (* 2 x))) (sqrt 1)) (sqrt (+ (exp (* 2 x)) 1)))
  (/ (+ (sqrt (exp (* 2 x))) (sqrt 1)) 1)
  (/ (- (sqrt (exp (* 2 x))) (sqrt 1)) (+ (exp (* 2 x)) 1))
  (/ (+ (sqrt (exp (* 2 x))) (sqrt 1)) 1)
  (/ (- (sqrt (exp (* 2 x))) (sqrt 1)) (+ (exp (* 2 x)) 1))
  (/ (+ (sqrt (exp (* 2 x))) 1) (* (cbrt (+ (exp (* 2 x)) 1)) (cbrt (+ (exp (* 2 x)) 1))))
  (/ (- (sqrt (exp (* 2 x))) 1) (cbrt (+ (exp (* 2 x)) 1)))
  (/ (+ (sqrt (exp (* 2 x))) 1) (sqrt (+ (exp (* 2 x)) 1)))
  (/ (- (sqrt (exp (* 2 x))) 1) (sqrt (+ (exp (* 2 x)) 1)))
  (/ (+ (sqrt (exp (* 2 x))) 1) 1)
  (/ (- (sqrt (exp (* 2 x))) 1) (+ (exp (* 2 x)) 1))
  (/ (+ (sqrt (exp (* 2 x))) 1) 1)
  (/ (- (sqrt (exp (* 2 x))) 1) (+ (exp (* 2 x)) 1))
  (/ (+ (sqrt (exp (* 2 x))) 1) (* (cbrt (+ (exp (* 2 x)) 1)) (cbrt (+ (exp (* 2 x)) 1))))
  (/ (- (sqrt (exp (* 2 x))) 1) (cbrt (+ (exp (* 2 x)) 1)))
  (/ (+ (sqrt (exp (* 2 x))) 1) (sqrt (+ (exp (* 2 x)) 1)))
  (/ (- (sqrt (exp (* 2 x))) 1) (sqrt (+ (exp (* 2 x)) 1)))
  (/ (+ (sqrt (exp (* 2 x))) 1) 1)
  (/ (- (sqrt (exp (* 2 x))) 1) (+ (exp (* 2 x)) 1))
  (/ (+ (sqrt (exp (* 2 x))) 1) 1)
  (/ (- (sqrt (exp (* 2 x))) 1) (+ (exp (* 2 x)) 1))
  (/ 1 (* (cbrt (+ (exp (* 2 x)) 1)) (cbrt (+ (exp (* 2 x)) 1))))
  (/ (- (exp (* 2 x)) 1) (cbrt (+ (exp (* 2 x)) 1)))
  (/ 1 (sqrt (+ (exp (* 2 x)) 1)))
  (/ (- (exp (* 2 x)) 1) (sqrt (+ (exp (* 2 x)) 1)))
  (/ 1 1)
  (/ (- (exp (* 2 x)) 1) (+ (exp (* 2 x)) 1))
  (/ 1 1)
  (/ (- (exp (* 2 x)) 1) (+ (exp (* 2 x)) 1))
  (/ 1 (+ (exp (* 2 x)) 1))
  (/ (+ (exp (* 2 x)) 1) (- (exp (* 2 x)) 1))
  (/ (- (exp (* 2 x)) 1) (* (cbrt (+ (exp (* 2 x)) 1)) (cbrt (+ (exp (* 2 x)) 1))))
  (/ (- (exp (* 2 x)) 1) (sqrt (+ (exp (* 2 x)) 1)))
  (/ (- (exp (* 2 x)) 1) 1)
  (/ (- (exp (* 2 x)) 1) 1)
  (/ (+ (exp (* 2 x)) 1) (cbrt (- (exp (* 2 x)) 1)))
  (/ (+ (exp (* 2 x)) 1) (sqrt (- (exp (* 2 x)) 1)))
  (/ (+ (exp (* 2 x)) 1) (- (exp (* 2 x)) 1))
  (/ (+ (exp (* 2 x)) 1) (- (sqrt (exp (* 2 x))) (sqrt 1)))
  (/ (+ (exp (* 2 x)) 1) (- (sqrt (exp (* 2 x))) 1))
  (/ (+ (exp (* 2 x)) 1) (- (sqrt (exp (* 2 x))) 1))
  (/ (+ (exp (* 2 x)) 1) (- (exp (* 2 x)) 1))
  (/ (- (exp (* 2 x)) 1) (+ (pow (exp (* 2 x)) 3) (pow 1 3)))
  (/ (- (exp (* 2 x)) 1) (- (* (exp (* 2 x)) (exp (* 2 x))) (* 1 1)))
  (* (+ (exp (* 2 x)) 1) (+ (* (exp (* 2 x)) (exp (* 2 x))) (+ (* 1 1) (* (exp (* 2 x)) 1))))
  (* (+ (exp (* 2 x)) 1) (+ (exp (* 2 x)) 1))
  (* (exp (exp (* 2 x))) (exp 1))
  (log (+ (exp (* 2 x)) 1))
  (exp (+ (exp (* 2 x)) 1))
  (* (cbrt (+ (exp (* 2 x)) 1)) (cbrt (+ (exp (* 2 x)) 1)))
  (cbrt (+ (exp (* 2 x)) 1))
  (* (* (+ (exp (* 2 x)) 1) (+ (exp (* 2 x)) 1)) (+ (exp (* 2 x)) 1))
  (sqrt (+ (exp (* 2 x)) 1))
  (sqrt (+ (exp (* 2 x)) 1))
  (+ (pow (exp (* 2 x)) 3) (pow 1 3))
  (+ (* (exp (* 2 x)) (exp (* 2 x))) (- (* 1 1) (* (exp (* 2 x)) 1)))
  (- (* (exp (* 2 x)) (exp (* 2 x))) (* 1 1))
  (- (exp (* 2 x)) 1)
  (+ (exp (* 2 x)) 1)
  (+ (* 2 (pow x 2)) (+ (* 4/3 (pow x 3)) (* 2 x)))
  (- (exp (* 2 x)) 1)
  (- (exp (* 2 x)) 1)
  (- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3)))
  (/ (- (exp (* 2 x)) 1) (+ (exp (* 2 x)) 1))
  (/ (- (exp (* 2 x)) 1) (+ (exp (* 2 x)) 1))
  (+ (* 2 (pow x 2)) (+ (* 2 x) 2))
  (+ (exp (* 2 x)) 1)
  (+ (exp (* 2 x)) 1)
1.452 * * [simplify]: iteration  0 :  270  enodes  (cost  910 )
1.457 * * [simplify]: iteration  1 :  1067  enodes  (cost  846 )
1.477 * * [simplify]: iteration  2 :  5002  enodes  (cost  842 )
1.481 * [simplify]: Simplified to:
   (exp (- (exp (* 2 x)) 1))
  (log (- (exp (* 2 x)) 1))
  (exp (- (exp (* 2 x)) 1))
  (* (cbrt (- (exp (* 2 x)) 1)) (cbrt (- (exp (* 2 x)) 1)))
  (cbrt (- (exp (* 2 x)) 1))
  (pow (- (exp (* 2 x)) 1) 3)
  (sqrt (- (exp (* 2 x)) 1))
  (sqrt (- (exp (* 2 x)) 1))
  (- (pow (exp (* 2 x)) 3) 1)
  (+ (+ (pow (exp 2) (* 2 x)) 1) (exp (* 2 x)))
  (- 1)
  (- (pow (exp 2) (* 2 x)) 1)
  (+ (exp (* 2 x)) 1)
  (+ (sqrt (exp (* 2 x))) 1)
  (- (sqrt (exp (* 2 x))) 1)
  (+ (sqrt (exp (* 2 x))) 1)
  (- (sqrt (exp (* 2 x))) 1)
  (+ (sqrt (exp (* 2 x))) 1)
  (- (sqrt (exp (* 2 x))) 1)
  (- (exp (* 2 x)) 1)
  (- 1)
  (log (/ (- (exp (* 2 x)) 1) (+ (exp (* 2 x)) 1)))
  (log (/ (- (exp (* 2 x)) 1) (+ (exp (* 2 x)) 1)))
  (exp (/ (- (exp (* 2 x)) 1) (+ (exp (* 2 x)) 1)))
  (pow (/ (- (exp (* 2 x)) 1) (+ (exp (* 2 x)) 1)) 3)
  (* (cbrt (/ (- (exp (* 2 x)) 1) (+ (exp (* 2 x)) 1))) (cbrt (/ (- (exp (* 2 x)) 1) (+ (exp (* 2 x)) 1))))
  (cbrt (/ (- (exp (* 2 x)) 1) (+ (exp (* 2 x)) 1)))
  (pow (/ (- (exp (* 2 x)) 1) (+ (exp (* 2 x)) 1)) 3)
  (sqrt (/ (- (exp (* 2 x)) 1) (+ (exp (* 2 x)) 1)))
  (sqrt (/ (- (exp (* 2 x)) 1) (+ (exp (* 2 x)) 1)))
  (- 1 (exp (* 2 x)))
  (- (+ (exp (* 2 x)) 1))
  (/ (exp (* 2 x)) (+ (exp (* 2 x)) 1))
  (/ 1 (+ (exp (* 2 x)) 1))
  (/ (* (cbrt (- (exp (* 2 x)) 1)) (cbrt (- (exp (* 2 x)) 1))) (* (cbrt (+ (exp (* 2 x)) 1)) (cbrt (+ (exp (* 2 x)) 1))))
  (/ (cbrt (- (exp (* 2 x)) 1)) (cbrt (+ (exp (* 2 x)) 1)))
  (/ (* (cbrt (- (exp (* 2 x)) 1)) (cbrt (- (exp (* 2 x)) 1))) (sqrt (+ (exp (* 2 x)) 1)))
  (/ (cbrt (- (exp (* 2 x)) 1)) (sqrt (+ (exp (* 2 x)) 1)))
  (* (cbrt (- (exp (* 2 x)) 1)) (cbrt (- (exp (* 2 x)) 1)))
  (/ (cbrt (- (exp (* 2 x)) 1)) (+ (exp (* 2 x)) 1))
  (* (cbrt (- (exp (* 2 x)) 1)) (cbrt (- (exp (* 2 x)) 1)))
  (/ (cbrt (- (exp (* 2 x)) 1)) (+ (exp (* 2 x)) 1))
  (/ (sqrt (- (exp (* 2 x)) 1)) (* (cbrt (+ (exp (* 2 x)) 1)) (cbrt (+ (exp (* 2 x)) 1))))
  (/ (sqrt (- (exp (* 2 x)) 1)) (cbrt (+ (exp (* 2 x)) 1)))
  (/ (sqrt (- (exp (* 2 x)) 1)) (sqrt (+ (exp (* 2 x)) 1)))
  (/ (sqrt (- (exp (* 2 x)) 1)) (sqrt (+ (exp (* 2 x)) 1)))
  (sqrt (- (exp (* 2 x)) 1))
  (/ (sqrt (- (exp (* 2 x)) 1)) (+ (exp (* 2 x)) 1))
  (sqrt (- (exp (* 2 x)) 1))
  (/ (sqrt (- (exp (* 2 x)) 1)) (+ (exp (* 2 x)) 1))
  (/ 1 (* (cbrt (+ (exp (* 2 x)) 1)) (cbrt (+ (exp (* 2 x)) 1))))
  (/ (- (exp (* 2 x)) 1) (cbrt (+ (exp (* 2 x)) 1)))
  (/ 1 (sqrt (+ (exp (* 2 x)) 1)))
  (/ (- (exp (* 2 x)) 1) (sqrt (+ (exp (* 2 x)) 1)))
  1
  (/ (- (exp (* 2 x)) 1) (+ (exp (* 2 x)) 1))
  1
  (/ (- (exp (* 2 x)) 1) (+ (exp (* 2 x)) 1))
  (/ (+ (sqrt (exp (* 2 x))) 1) (* (cbrt (+ (exp (* 2 x)) 1)) (cbrt (+ (exp (* 2 x)) 1))))
  (/ (- (sqrt (exp (* 2 x))) 1) (cbrt (+ (exp (* 2 x)) 1)))
  (/ (+ (sqrt (exp (* 2 x))) 1) (sqrt (+ (exp (* 2 x)) 1)))
  (/ (- (sqrt (exp (* 2 x))) 1) (sqrt (+ (exp (* 2 x)) 1)))
  (+ (sqrt (exp (* 2 x))) 1)
  (/ (- (sqrt (exp (* 2 x))) 1) (+ (exp (* 2 x)) 1))
  (+ (sqrt (exp (* 2 x))) 1)
  (/ (- (sqrt (exp (* 2 x))) 1) (+ (exp (* 2 x)) 1))
  (/ (+ (sqrt (exp (* 2 x))) 1) (* (cbrt (+ (exp (* 2 x)) 1)) (cbrt (+ (exp (* 2 x)) 1))))
  (/ (- (sqrt (exp (* 2 x))) 1) (cbrt (+ (exp (* 2 x)) 1)))
  (/ (+ (sqrt (exp (* 2 x))) 1) (sqrt (+ (exp (* 2 x)) 1)))
  (/ (- (sqrt (exp (* 2 x))) 1) (sqrt (+ (exp (* 2 x)) 1)))
  (+ (sqrt (exp (* 2 x))) 1)
  (/ (- (sqrt (exp (* 2 x))) 1) (+ (exp (* 2 x)) 1))
  (+ (sqrt (exp (* 2 x))) 1)
  (/ (- (sqrt (exp (* 2 x))) 1) (+ (exp (* 2 x)) 1))
  (/ (+ (sqrt (exp (* 2 x))) 1) (* (cbrt (+ (exp (* 2 x)) 1)) (cbrt (+ (exp (* 2 x)) 1))))
  (/ (- (sqrt (exp (* 2 x))) 1) (cbrt (+ (exp (* 2 x)) 1)))
  (/ (+ (sqrt (exp (* 2 x))) 1) (sqrt (+ (exp (* 2 x)) 1)))
  (/ (- (sqrt (exp (* 2 x))) 1) (sqrt (+ (exp (* 2 x)) 1)))
  (+ (sqrt (exp (* 2 x))) 1)
  (/ (- (sqrt (exp (* 2 x))) 1) (+ (exp (* 2 x)) 1))
  (+ (sqrt (exp (* 2 x))) 1)
  (/ (- (sqrt (exp (* 2 x))) 1) (+ (exp (* 2 x)) 1))
  (/ 1 (* (cbrt (+ (exp (* 2 x)) 1)) (cbrt (+ (exp (* 2 x)) 1))))
  (/ (- (exp (* 2 x)) 1) (cbrt (+ (exp (* 2 x)) 1)))
  (/ 1 (sqrt (+ (exp (* 2 x)) 1)))
  (/ (- (exp (* 2 x)) 1) (sqrt (+ (exp (* 2 x)) 1)))
  1
  (/ (- (exp (* 2 x)) 1) (+ (exp (* 2 x)) 1))
  1
  (/ (- (exp (* 2 x)) 1) (+ (exp (* 2 x)) 1))
  (/ 1 (+ (exp (* 2 x)) 1))
  (/ (+ (exp (* 2 x)) 1) (- (exp (* 2 x)) 1))
  (/ (- (exp (* 2 x)) 1) (* (cbrt (+ (exp (* 2 x)) 1)) (cbrt (+ (exp (* 2 x)) 1))))
  (/ (- (exp (* 2 x)) 1) (sqrt (+ (exp (* 2 x)) 1)))
  (- (exp (* 2 x)) 1)
  (- (exp (* 2 x)) 1)
  (/ (+ (exp (* 2 x)) 1) (cbrt (- (exp (* 2 x)) 1)))
  (/ (+ (exp (* 2 x)) 1) (sqrt (- (exp (* 2 x)) 1)))
  (/ (+ (exp (* 2 x)) 1) (- (exp (* 2 x)) 1))
  (/ (+ (exp (* 2 x)) 1) (- (sqrt (exp (* 2 x))) 1))
  (/ (+ (exp (* 2 x)) 1) (- (sqrt (exp (* 2 x))) 1))
  (/ (+ (exp (* 2 x)) 1) (- (sqrt (exp (* 2 x))) 1))
  (/ (+ (exp (* 2 x)) 1) (- (exp (* 2 x)) 1))
  (/ (- (exp (* 2 x)) 1) (+ (pow (exp (* 2 x)) 3) 1))
  (/ (- (exp (* 2 x)) 1) (- (pow (exp 2) (* 2 x)) 1))
  (* (+ (+ (pow (exp 2) (* 2 x)) 1) (exp (* 2 x))) (+ (exp (* 2 x)) 1))
  (* (+ (exp (* 2 x)) 1) (+ (exp (* 2 x)) 1))
  (exp (+ (exp (* 2 x)) 1))
  (log (+ (exp (* 2 x)) 1))
  (exp (+ (exp (* 2 x)) 1))
  (* (cbrt (+ (exp (* 2 x)) 1)) (cbrt (+ (exp (* 2 x)) 1)))
  (cbrt (+ (exp (* 2 x)) 1))
  (pow (+ (exp (* 2 x)) 1) 3)
  (sqrt (+ (exp (* 2 x)) 1))
  (sqrt (+ (exp (* 2 x)) 1))
  (+ (pow (exp (* 2 x)) 3) 1)
  (+ 1 (- (pow (exp x) 4) (exp (* 2 x))))
  (- (pow (exp 2) (* 2 x)) 1)
  (- (exp (* 2 x)) 1)
  (+ (exp (* 2 x)) 1)
  (+ (* 2 (+ (pow x 2) x)) (* 4/3 (pow x 3)))
  (- (exp (* 2 x)) 1)
  (- (exp (* 2 x)) 1)
  (- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3)))
  (/ (- (exp (* 2 x)) 1) (+ (exp (* 2 x)) 1))
  (/ (- (exp (* 2 x)) 1) (+ (exp (* 2 x)) 1))
  (+ 2 (* 2 (+ (pow x 2) x)))
  (+ (exp (* 2 x)) 1)
  (+ (exp (* 2 x)) 1)
1.482 * * * [progress]: adding candidates to table
1.591 * [progress]: [Phase 3 of 3] Extracting.
1.591 * * [regime]: Finding splitpoints for: (#<alt (λ (x) (- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3))))> #<alt (λ (x) (tanh x))> #<alt (λ (x) (/ (- (exp (* 2 x)) 1) (+ (exp (* 2 x)) 1)))>)
1.591 * * * [regime-changes]: Trying 1 branch expressions: (x)
1.591 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x) (- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3))))> #<alt (λ (x) (tanh x))> #<alt (λ (x) (/ (- (exp (* 2 x)) 1) (+ (exp (* 2 x)) 1)))>)
1.606 * * * [regime]: Found split indices: #<option (#s(si 1 255))>
1.606 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (tanh x)
1.607 * * [simplify]: iteration  0 :  2  enodes  (cost  1 )
1.607 * [simplify]: Simplified to:
   (tanh x)
3.957 * [regime-testing]: Baseline error score: 0.015200020315129537
3.957 * [regime-testing]: Oracle error score: 0.0030003750468808603
3.958 * [regime-testing]: End program error score: 0.015200020315129537