15.903 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.099 * * * [progress]: [2/2] Setting up program.
0.101 * [progress]: [Phase 2 of 3] Improving.
0.102 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))
0.103 * * [simplify]: iteration  0 :  7  enodes  (cost  13 )
0.103 * * [simplify]: iteration  1 :  15  enodes  (cost  13 )
0.106 * * [simplify]: iteration  2 :  25  enodes  (cost  13 )
0.109 * * [simplify]: iteration  3 :  33  enodes  (cost  13 )
0.112 * * [simplify]: iteration  4 :  45  enodes  (cost  13 )
0.119 * * [simplify]: iteration  5 :  63  enodes  (cost  13 )
0.134 * * [simplify]: iteration  6 :  135  enodes  (cost  13 )
0.198 * * [simplify]: iteration  7 :  601  enodes  (cost  13 )
1.406 * * [simplify]: iteration  8 :  3619  enodes  (cost  13 )
6.093 * * [simplify]: iteration  done :  5000  enodes  (cost  13 )
6.094 * [simplify]: Simplified to:
   (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))
6.094 * * [progress]: iteration 1 / 4
6.094 * * * [progress]: picking best candidate
6.096 * * * * [pick]: Picked  #<alt (λ (x) (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x)))))>
6.096 * * * [progress]: localizing error
6.103 * * * [progress]: generating rewritten candidates
6.103 * * * * [progress]: [ 1 / 3 ] rewriting at (2 1)
6.110 * * * * [progress]: [ 2 / 3 ] rewriting at (2)
6.142 * * * * [progress]: [ 3 / 3 ] rewriting at (2 2)
6.150 * * * [progress]: generating series expansions
6.150 * * * * [progress]: [ 1 / 3 ] generating series at (2 1)
6.150 * [approximate]: Taking taylor expansion of (- (exp x) (exp (- x))) in (x) around 0
6.150 * [taylor]: Taking taylor expansion of (- (exp x) (exp (- x))) in x
6.150 * [taylor]: Taking taylor expansion of (exp x) in x
6.151 * [taylor]: Taking taylor expansion of x in x
6.151 * [taylor]: Taking taylor expansion of (exp (- x)) in x
6.151 * [taylor]: Taking taylor expansion of (- x) in x
6.151 * [taylor]: Taking taylor expansion of x in x
6.151 * [taylor]: Taking taylor expansion of (- (exp x) (exp (- x))) in x
6.151 * [taylor]: Taking taylor expansion of (exp x) in x
6.151 * [taylor]: Taking taylor expansion of x in x
6.151 * [taylor]: Taking taylor expansion of (exp (- x)) in x
6.152 * [taylor]: Taking taylor expansion of (- x) in x
6.152 * [taylor]: Taking taylor expansion of x in x
6.176 * [approximate]: Taking taylor expansion of (- (exp (/ 1 x)) (exp (- (/ 1 x)))) in (x) around 0
6.176 * [taylor]: Taking taylor expansion of (- (exp (/ 1 x)) (exp (- (/ 1 x)))) in x
6.176 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
6.176 * [taylor]: Taking taylor expansion of (/ 1 x) in x
6.176 * [taylor]: Taking taylor expansion of x in x
6.177 * [taylor]: Taking taylor expansion of (exp (- (/ 1 x))) in x
6.177 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
6.177 * [taylor]: Taking taylor expansion of (/ 1 x) in x
6.177 * [taylor]: Taking taylor expansion of x in x
6.177 * [taylor]: Taking taylor expansion of (- (exp (/ 1 x)) (exp (- (/ 1 x)))) in x
6.177 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
6.177 * [taylor]: Taking taylor expansion of (/ 1 x) in x
6.177 * [taylor]: Taking taylor expansion of x in x
6.178 * [taylor]: Taking taylor expansion of (exp (- (/ 1 x))) in x
6.178 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
6.178 * [taylor]: Taking taylor expansion of (/ 1 x) in x
6.178 * [taylor]: Taking taylor expansion of x in x
6.181 * [approximate]: Taking taylor expansion of (- (exp (/ -1 x)) (exp (/ 1 x))) in (x) around 0
6.181 * [taylor]: Taking taylor expansion of (- (exp (/ -1 x)) (exp (/ 1 x))) in x
6.181 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
6.181 * [taylor]: Taking taylor expansion of (/ -1 x) in x
6.181 * [taylor]: Taking taylor expansion of -1 in x
6.181 * [taylor]: Taking taylor expansion of x in x
6.182 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
6.182 * [taylor]: Taking taylor expansion of (/ 1 x) in x
6.182 * [taylor]: Taking taylor expansion of x in x
6.182 * [taylor]: Taking taylor expansion of (- (exp (/ -1 x)) (exp (/ 1 x))) in x
6.182 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
6.182 * [taylor]: Taking taylor expansion of (/ -1 x) in x
6.182 * [taylor]: Taking taylor expansion of -1 in x
6.182 * [taylor]: Taking taylor expansion of x in x
6.182 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
6.183 * [taylor]: Taking taylor expansion of (/ 1 x) in x
6.183 * [taylor]: Taking taylor expansion of x in x
6.186 * * * * [progress]: [ 2 / 3 ] generating series at (2)
6.186 * [approximate]: Taking taylor expansion of (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x)))) in (x) around 0
6.186 * [taylor]: Taking taylor expansion of (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x)))) in x
6.186 * [taylor]: Taking taylor expansion of (- (exp x) (exp (- x))) in x
6.186 * [taylor]: Taking taylor expansion of (exp x) in x
6.186 * [taylor]: Taking taylor expansion of x in x
6.186 * [taylor]: Taking taylor expansion of (exp (- x)) in x
6.186 * [taylor]: Taking taylor expansion of (- x) in x
6.186 * [taylor]: Taking taylor expansion of x in x
6.187 * [taylor]: Taking taylor expansion of (+ (exp x) (exp (- x))) in x
6.187 * [taylor]: Taking taylor expansion of (exp x) in x
6.187 * [taylor]: Taking taylor expansion of x in x
6.187 * [taylor]: Taking taylor expansion of (exp (- x)) in x
6.187 * [taylor]: Taking taylor expansion of (- x) in x
6.187 * [taylor]: Taking taylor expansion of x in x
6.190 * [taylor]: Taking taylor expansion of (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x)))) in x
6.190 * [taylor]: Taking taylor expansion of (- (exp x) (exp (- x))) in x
6.190 * [taylor]: Taking taylor expansion of (exp x) in x
6.190 * [taylor]: Taking taylor expansion of x in x
6.190 * [taylor]: Taking taylor expansion of (exp (- x)) in x
6.190 * [taylor]: Taking taylor expansion of (- x) in x
6.190 * [taylor]: Taking taylor expansion of x in x
6.190 * [taylor]: Taking taylor expansion of (+ (exp x) (exp (- x))) in x
6.190 * [taylor]: Taking taylor expansion of (exp x) in x
6.190 * [taylor]: Taking taylor expansion of x in x
6.190 * [taylor]: Taking taylor expansion of (exp (- x)) in x
6.190 * [taylor]: Taking taylor expansion of (- x) in x
6.190 * [taylor]: Taking taylor expansion of x in x
6.234 * [approximate]: Taking taylor expansion of (/ (- (exp (/ 1 x)) (exp (- (/ 1 x)))) (+ (exp (/ 1 x)) (exp (- (/ 1 x))))) in (x) around 0
6.234 * [taylor]: Taking taylor expansion of (/ (- (exp (/ 1 x)) (exp (- (/ 1 x)))) (+ (exp (/ 1 x)) (exp (- (/ 1 x))))) in x
6.234 * [taylor]: Taking taylor expansion of (- (exp (/ 1 x)) (exp (- (/ 1 x)))) in x
6.234 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
6.234 * [taylor]: Taking taylor expansion of (/ 1 x) in x
6.234 * [taylor]: Taking taylor expansion of x in x
6.235 * [taylor]: Taking taylor expansion of (exp (- (/ 1 x))) in x
6.235 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
6.235 * [taylor]: Taking taylor expansion of (/ 1 x) in x
6.235 * [taylor]: Taking taylor expansion of x in x
6.235 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (- (/ 1 x)))) in x
6.235 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
6.235 * [taylor]: Taking taylor expansion of (/ 1 x) in x
6.235 * [taylor]: Taking taylor expansion of x in x
6.235 * [taylor]: Taking taylor expansion of (exp (- (/ 1 x))) in x
6.236 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
6.236 * [taylor]: Taking taylor expansion of (/ 1 x) in x
6.236 * [taylor]: Taking taylor expansion of x in x
6.236 * [taylor]: Taking taylor expansion of (/ (- (exp (/ 1 x)) (exp (- (/ 1 x)))) (+ (exp (/ 1 x)) (exp (- (/ 1 x))))) in x
6.236 * [taylor]: Taking taylor expansion of (- (exp (/ 1 x)) (exp (- (/ 1 x)))) in x
6.236 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
6.236 * [taylor]: Taking taylor expansion of (/ 1 x) in x
6.236 * [taylor]: Taking taylor expansion of x in x
6.237 * [taylor]: Taking taylor expansion of (exp (- (/ 1 x))) in x
6.237 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
6.237 * [taylor]: Taking taylor expansion of (/ 1 x) in x
6.237 * [taylor]: Taking taylor expansion of x in x
6.237 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (- (/ 1 x)))) in x
6.237 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
6.237 * [taylor]: Taking taylor expansion of (/ 1 x) in x
6.237 * [taylor]: Taking taylor expansion of x in x
6.238 * [taylor]: Taking taylor expansion of (exp (- (/ 1 x))) in x
6.238 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
6.238 * [taylor]: Taking taylor expansion of (/ 1 x) in x
6.238 * [taylor]: Taking taylor expansion of x in x
6.247 * [approximate]: Taking taylor expansion of (/ (- (exp (/ -1 x)) (exp (/ 1 x))) (+ (exp (/ 1 x)) (exp (/ -1 x)))) in (x) around 0
6.247 * [taylor]: Taking taylor expansion of (/ (- (exp (/ -1 x)) (exp (/ 1 x))) (+ (exp (/ 1 x)) (exp (/ -1 x)))) in x
6.247 * [taylor]: Taking taylor expansion of (- (exp (/ -1 x)) (exp (/ 1 x))) in x
6.247 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
6.247 * [taylor]: Taking taylor expansion of (/ -1 x) in x
6.247 * [taylor]: Taking taylor expansion of -1 in x
6.247 * [taylor]: Taking taylor expansion of x in x
6.247 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
6.247 * [taylor]: Taking taylor expansion of (/ 1 x) in x
6.247 * [taylor]: Taking taylor expansion of x in x
6.248 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (/ -1 x))) in x
6.248 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
6.248 * [taylor]: Taking taylor expansion of (/ 1 x) in x
6.248 * [taylor]: Taking taylor expansion of x in x
6.248 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
6.248 * [taylor]: Taking taylor expansion of (/ -1 x) in x
6.248 * [taylor]: Taking taylor expansion of -1 in x
6.248 * [taylor]: Taking taylor expansion of x in x
6.249 * [taylor]: Taking taylor expansion of (/ (- (exp (/ -1 x)) (exp (/ 1 x))) (+ (exp (/ 1 x)) (exp (/ -1 x)))) in x
6.249 * [taylor]: Taking taylor expansion of (- (exp (/ -1 x)) (exp (/ 1 x))) in x
6.249 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
6.249 * [taylor]: Taking taylor expansion of (/ -1 x) in x
6.249 * [taylor]: Taking taylor expansion of -1 in x
6.249 * [taylor]: Taking taylor expansion of x in x
6.249 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
6.249 * [taylor]: Taking taylor expansion of (/ 1 x) in x
6.249 * [taylor]: Taking taylor expansion of x in x
6.249 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (/ -1 x))) in x
6.249 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
6.249 * [taylor]: Taking taylor expansion of (/ 1 x) in x
6.249 * [taylor]: Taking taylor expansion of x in x
6.250 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
6.250 * [taylor]: Taking taylor expansion of (/ -1 x) in x
6.250 * [taylor]: Taking taylor expansion of -1 in x
6.250 * [taylor]: Taking taylor expansion of x in x
6.258 * * * * [progress]: [ 3 / 3 ] generating series at (2 2)
6.258 * [approximate]: Taking taylor expansion of (+ (exp x) (exp (- x))) in (x) around 0
6.258 * [taylor]: Taking taylor expansion of (+ (exp x) (exp (- x))) in x
6.258 * [taylor]: Taking taylor expansion of (exp x) in x
6.258 * [taylor]: Taking taylor expansion of x in x
6.258 * [taylor]: Taking taylor expansion of (exp (- x)) in x
6.258 * [taylor]: Taking taylor expansion of (- x) in x
6.258 * [taylor]: Taking taylor expansion of x in x
6.259 * [taylor]: Taking taylor expansion of (+ (exp x) (exp (- x))) in x
6.259 * [taylor]: Taking taylor expansion of (exp x) in x
6.259 * [taylor]: Taking taylor expansion of x in x
6.259 * [taylor]: Taking taylor expansion of (exp (- x)) in x
6.259 * [taylor]: Taking taylor expansion of (- x) in x
6.259 * [taylor]: Taking taylor expansion of x in x
6.273 * [approximate]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (- (/ 1 x)))) in (x) around 0
6.273 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (- (/ 1 x)))) in x
6.273 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
6.273 * [taylor]: Taking taylor expansion of (/ 1 x) in x
6.273 * [taylor]: Taking taylor expansion of x in x
6.273 * [taylor]: Taking taylor expansion of (exp (- (/ 1 x))) in x
6.273 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
6.273 * [taylor]: Taking taylor expansion of (/ 1 x) in x
6.273 * [taylor]: Taking taylor expansion of x in x
6.274 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (- (/ 1 x)))) in x
6.274 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
6.274 * [taylor]: Taking taylor expansion of (/ 1 x) in x
6.274 * [taylor]: Taking taylor expansion of x in x
6.274 * [taylor]: Taking taylor expansion of (exp (- (/ 1 x))) in x
6.274 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
6.274 * [taylor]: Taking taylor expansion of (/ 1 x) in x
6.274 * [taylor]: Taking taylor expansion of x in x
6.277 * [approximate]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (/ -1 x))) in (x) around 0
6.277 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (/ -1 x))) in x
6.277 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
6.277 * [taylor]: Taking taylor expansion of (/ 1 x) in x
6.277 * [taylor]: Taking taylor expansion of x in x
6.277 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
6.277 * [taylor]: Taking taylor expansion of (/ -1 x) in x
6.277 * [taylor]: Taking taylor expansion of -1 in x
6.277 * [taylor]: Taking taylor expansion of x in x
6.277 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (/ -1 x))) in x
6.277 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
6.277 * [taylor]: Taking taylor expansion of (/ 1 x) in x
6.277 * [taylor]: Taking taylor expansion of x in x
6.278 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
6.278 * [taylor]: Taking taylor expansion of (/ -1 x) in x
6.278 * [taylor]: Taking taylor expansion of -1 in x
6.278 * [taylor]: Taking taylor expansion of x in x
6.282 * * * [progress]: simplifying candidates
6.283 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (fma (* (cbrt (exp x)) (cbrt (exp x))) (cbrt (exp x)) (- (* (cbrt (exp (- x))) (* (cbrt (exp (- x))) (cbrt (exp (- x)))))))
  (fma (- (cbrt (exp (- x)))) (* (cbrt (exp (- x))) (cbrt (exp (- x)))) (* (cbrt (exp (- x))) (* (cbrt (exp (- x))) (cbrt (exp (- x))))))
  (fma (* (cbrt (exp x)) (cbrt (exp x))) (cbrt (exp x)) (- (* (sqrt (exp (- x))) (sqrt (exp (- x))))))
  (fma (- (sqrt (exp (- x)))) (sqrt (exp (- x))) (* (sqrt (exp (- x))) (sqrt (exp (- x)))))
  (fma (* (cbrt (exp x)) (cbrt (exp x))) (cbrt (exp x)) (- (* (exp (- x)) 1)))
  (fma (- (exp (- x))) 1 (* (exp (- x)) 1))
  (fma (sqrt (exp x)) (sqrt (exp x)) (- (* (cbrt (exp (- x))) (* (cbrt (exp (- x))) (cbrt (exp (- x)))))))
  (fma (- (cbrt (exp (- x)))) (* (cbrt (exp (- x))) (cbrt (exp (- x)))) (* (cbrt (exp (- x))) (* (cbrt (exp (- x))) (cbrt (exp (- x))))))
  (fma (sqrt (exp x)) (sqrt (exp x)) (- (* (sqrt (exp (- x))) (sqrt (exp (- x))))))
  (fma (- (sqrt (exp (- x)))) (sqrt (exp (- x))) (* (sqrt (exp (- x))) (sqrt (exp (- x)))))
  (fma (sqrt (exp x)) (sqrt (exp x)) (- (* (exp (- x)) 1)))
  (fma (- (exp (- x))) 1 (* (exp (- x)) 1))
  (fma 1 (exp x) (- (* (cbrt (exp (- x))) (* (cbrt (exp (- x))) (cbrt (exp (- x)))))))
  (fma (- (cbrt (exp (- x)))) (* (cbrt (exp (- x))) (cbrt (exp (- x)))) (* (cbrt (exp (- x))) (* (cbrt (exp (- x))) (cbrt (exp (- x))))))
  (fma 1 (exp x) (- (* (sqrt (exp (- x))) (sqrt (exp (- x))))))
  (fma (- (sqrt (exp (- x)))) (sqrt (exp (- x))) (* (sqrt (exp (- x))) (sqrt (exp (- x)))))
  (fma 1 (exp x) (- (* (exp (- x)) 1)))
  (fma (- (exp (- x))) 1 (* (exp (- x)) 1))
  (expm1 (- (exp x) (exp (- x))))
  (log1p (- (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)))
  (+ (sqrt (exp x)) (sqrt (exp (- x))))
  (- (sqrt (exp x)) (sqrt (exp (- x))))
  (- (exp x) (exp (- x)))
  (- (exp (- x)))
  (expm1 (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x)))))
  (log1p (/ (- (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))))
  (expm1 (+ (exp x) (exp (- x))))
  (log1p (+ (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))
6.288 * * [simplify]: iteration  0 :  147  enodes  (cost  1789 )
6.313 * * [simplify]: iteration  1 :  338  enodes  (cost  1599 )
6.412 * * [simplify]: iteration  2 :  1006  enodes  (cost  1426 )
6.790 * * [simplify]: iteration  done :  5000  enodes  (cost  1425 )
6.791 * [simplify]: Simplified to:
   (- (* (* (cbrt (exp x)) (cbrt (exp x))) (cbrt (exp x))) (exp (- x)))
  (* (exp (- x)) 0)
  (- (* (* (cbrt (exp x)) (cbrt (exp x))) (cbrt (exp x))) (exp (- x)))
  (* (exp (- x)) 0)
  (- (* (* (cbrt (exp x)) (cbrt (exp x))) (cbrt (exp x))) (exp (- x)))
  (* (exp (- x)) 0)
  (- (exp x) (exp (- x)))
  (* (exp (- x)) 0)
  (- (exp x) (exp (- x)))
  (* (exp (- x)) 0)
  (- (exp x) (exp (- x)))
  (* (exp (- x)) 0)
  (- (exp x) (exp (- x)))
  (* (exp (- x)) 0)
  (- (exp x) (exp (- x)))
  (* (exp (- x)) 0)
  (- (exp x) (exp (- x)))
  (* (exp (- x)) 0)
  (expm1 (- (exp x) (exp (- x))))
  (log1p (- (exp x) (exp (- x))))
  (- (exp (- x)))
  (- (exp (- x)))
  (- (exp (- x)))
  (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))
  (+ (exp (* x -2)) (+ 1 (exp (+ x x))))
  (- (exp (- x)))
  (- (exp (+ x x)) (exp (* x -2)))
  (+ (exp x) (exp (- x)))
  (+ (sqrt (exp (- x))) (sqrt (exp x)))
  (- (sqrt (exp x)) (sqrt (exp (- x))))
  (- (exp x) (exp (- x)))
  (- (exp (- x)))
  (expm1 (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x)))))
  (log1p (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- 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 (- x))) (+ (exp 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 (- x))) (+ (exp 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))))
  (/ 1 (+ 1 (exp (* x -2))))
  (/ 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 (- x))) (+ (exp x) (exp (- x))))
  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)))
  (/ (- (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 (- x))) (+ (exp x) (exp (- x))))
  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)))
  (- (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)) (exp (* x -2))))
  (* (+ (exp (* x -2)) (+ 1 (exp (+ x x)))) (+ (exp x) (exp (- x))))
  (* (+ (exp x) (exp (- x))) (+ (exp x) (exp (- x))))
  (expm1 (+ (exp x) (exp (- x))))
  (log1p (+ (exp x) (exp (- x))))
  (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))
  (+ (+ (exp (* x -2)) -1) (exp (+ x x)))
  (- (exp (+ x x)) (exp (* x -2)))
  (- (exp x) (exp (- x)))
  (+ (exp x) (exp (- x)))
  (fma 1/3 (pow x 3) (fma 1/60 (pow x 5) (* 2 x)))
  (- (exp x) (exp (- x)))
  (- (exp x) (exp (- x)))
  (- (fma (pow x 5) 2/15 x) (* 1/3 (pow x 3)))
  (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))
  (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))
  (fma x x (fma 1/12 (pow x 4) 2))
  (+ (exp x) (exp (- x)))
  (+ (exp x) (exp (- x)))
6.792 * * * [progress]: adding candidates to table
6.974 * * [progress]: iteration 2 / 4
6.974 * * * [progress]: picking best candidate
6.977 * * * * [pick]: Picked  #<alt (λ (x) (tanh x))>
6.977 * * * [progress]: localizing error
6.979 * * * [progress]: generating rewritten candidates
6.979 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
6.980 * * * [progress]: generating series expansions
6.980 * * * * [progress]: [ 1 / 1 ] generating series at (2)
6.980 * [approximate]: Taking taylor expansion of (tanh x) in (x) around 0
6.980 * [taylor]: Taking taylor expansion of (tanh x) in x
6.980 * [taylor]: Rewrote expression to (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))
6.980 * [taylor]: Taking taylor expansion of (- (exp x) (exp (- x))) in x
6.980 * [taylor]: Taking taylor expansion of (exp x) in x
6.980 * [taylor]: Taking taylor expansion of x in x
6.980 * [taylor]: Taking taylor expansion of (exp (- x)) in x
6.980 * [taylor]: Taking taylor expansion of (- x) in x
6.980 * [taylor]: Taking taylor expansion of x in x
6.981 * [taylor]: Taking taylor expansion of (+ (exp x) (exp (- x))) in x
6.981 * [taylor]: Taking taylor expansion of (exp x) in x
6.981 * [taylor]: Taking taylor expansion of x in x
6.981 * [taylor]: Taking taylor expansion of (exp (- x)) in x
6.981 * [taylor]: Taking taylor expansion of (- x) in x
6.981 * [taylor]: Taking taylor expansion of x in x
6.984 * [taylor]: Taking taylor expansion of (tanh x) in x
6.985 * [taylor]: Rewrote expression to (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))
6.985 * [taylor]: Taking taylor expansion of (- (exp x) (exp (- x))) in x
6.985 * [taylor]: Taking taylor expansion of (exp x) in x
6.985 * [taylor]: Taking taylor expansion of x in x
6.985 * [taylor]: Taking taylor expansion of (exp (- x)) in x
6.985 * [taylor]: Taking taylor expansion of (- x) in x
6.985 * [taylor]: Taking taylor expansion of x in x
6.985 * [taylor]: Taking taylor expansion of (+ (exp x) (exp (- x))) in x
6.985 * [taylor]: Taking taylor expansion of (exp x) in x
6.985 * [taylor]: Taking taylor expansion of x in x
6.985 * [taylor]: Taking taylor expansion of (exp (- x)) in x
6.985 * [taylor]: Taking taylor expansion of (- x) in x
6.985 * [taylor]: Taking taylor expansion of x in x
7.029 * [approximate]: Taking taylor expansion of (tanh (/ 1 x)) in (x) around 0
7.029 * [taylor]: Taking taylor expansion of (tanh (/ 1 x)) in x
7.029 * [taylor]: Rewrote expression to (/ (- (exp (/ 1 x)) (exp (- (/ 1 x)))) (+ (exp (/ 1 x)) (exp (- (/ 1 x)))))
7.029 * [taylor]: Taking taylor expansion of (- (exp (/ 1 x)) (exp (- (/ 1 x)))) in x
7.029 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
7.029 * [taylor]: Taking taylor expansion of (/ 1 x) in x
7.029 * [taylor]: Taking taylor expansion of x in x
7.029 * [taylor]: Taking taylor expansion of (exp (- (/ 1 x))) in x
7.029 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
7.029 * [taylor]: Taking taylor expansion of (/ 1 x) in x
7.030 * [taylor]: Taking taylor expansion of x in x
7.030 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (- (/ 1 x)))) in x
7.030 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
7.030 * [taylor]: Taking taylor expansion of (/ 1 x) in x
7.030 * [taylor]: Taking taylor expansion of x in x
7.030 * [taylor]: Taking taylor expansion of (exp (- (/ 1 x))) in x
7.030 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
7.030 * [taylor]: Taking taylor expansion of (/ 1 x) in x
7.030 * [taylor]: Taking taylor expansion of x in x
7.031 * [taylor]: Taking taylor expansion of (tanh (/ 1 x)) in x
7.031 * [taylor]: Rewrote expression to (/ (- (exp (/ 1 x)) (exp (- (/ 1 x)))) (+ (exp (/ 1 x)) (exp (- (/ 1 x)))))
7.031 * [taylor]: Taking taylor expansion of (- (exp (/ 1 x)) (exp (- (/ 1 x)))) in x
7.031 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
7.031 * [taylor]: Taking taylor expansion of (/ 1 x) in x
7.031 * [taylor]: Taking taylor expansion of x in x
7.032 * [taylor]: Taking taylor expansion of (exp (- (/ 1 x))) in x
7.032 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
7.032 * [taylor]: Taking taylor expansion of (/ 1 x) in x
7.032 * [taylor]: Taking taylor expansion of x in x
7.032 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (- (/ 1 x)))) in x
7.032 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
7.032 * [taylor]: Taking taylor expansion of (/ 1 x) in x
7.032 * [taylor]: Taking taylor expansion of x in x
7.033 * [taylor]: Taking taylor expansion of (exp (- (/ 1 x))) in x
7.033 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
7.033 * [taylor]: Taking taylor expansion of (/ 1 x) in x
7.033 * [taylor]: Taking taylor expansion of x in x
7.042 * [approximate]: Taking taylor expansion of (tanh (/ -1 x)) in (x) around 0
7.042 * [taylor]: Taking taylor expansion of (tanh (/ -1 x)) in x
7.042 * [taylor]: Rewrote expression to (/ (- (exp (/ -1 x)) (exp (- (/ -1 x)))) (+ (exp (/ -1 x)) (exp (- (/ -1 x)))))
7.042 * [taylor]: Taking taylor expansion of (- (exp (/ -1 x)) (exp (- (/ -1 x)))) in x
7.042 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
7.042 * [taylor]: Taking taylor expansion of (/ -1 x) in x
7.042 * [taylor]: Taking taylor expansion of -1 in x
7.042 * [taylor]: Taking taylor expansion of x in x
7.042 * [taylor]: Taking taylor expansion of (exp (- (/ -1 x))) in x
7.042 * [taylor]: Taking taylor expansion of (- (/ -1 x)) in x
7.042 * [taylor]: Taking taylor expansion of (/ -1 x) in x
7.042 * [taylor]: Taking taylor expansion of -1 in x
7.042 * [taylor]: Taking taylor expansion of x in x
7.043 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 x)) (exp (- (/ -1 x)))) in x
7.043 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
7.043 * [taylor]: Taking taylor expansion of (/ -1 x) in x
7.043 * [taylor]: Taking taylor expansion of -1 in x
7.043 * [taylor]: Taking taylor expansion of x in x
7.043 * [taylor]: Taking taylor expansion of (exp (- (/ -1 x))) in x
7.043 * [taylor]: Taking taylor expansion of (- (/ -1 x)) in x
7.043 * [taylor]: Taking taylor expansion of (/ -1 x) in x
7.043 * [taylor]: Taking taylor expansion of -1 in x
7.043 * [taylor]: Taking taylor expansion of x in x
7.044 * [taylor]: Taking taylor expansion of (tanh (/ -1 x)) in x
7.044 * [taylor]: Rewrote expression to (/ (- (exp (/ -1 x)) (exp (- (/ -1 x)))) (+ (exp (/ -1 x)) (exp (- (/ -1 x)))))
7.044 * [taylor]: Taking taylor expansion of (- (exp (/ -1 x)) (exp (- (/ -1 x)))) in x
7.044 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
7.044 * [taylor]: Taking taylor expansion of (/ -1 x) in x
7.044 * [taylor]: Taking taylor expansion of -1 in x
7.044 * [taylor]: Taking taylor expansion of x in x
7.045 * [taylor]: Taking taylor expansion of (exp (- (/ -1 x))) in x
7.045 * [taylor]: Taking taylor expansion of (- (/ -1 x)) in x
7.045 * [taylor]: Taking taylor expansion of (/ -1 x) in x
7.045 * [taylor]: Taking taylor expansion of -1 in x
7.045 * [taylor]: Taking taylor expansion of x in x
7.045 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 x)) (exp (- (/ -1 x)))) in x
7.045 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
7.045 * [taylor]: Taking taylor expansion of (/ -1 x) in x
7.045 * [taylor]: Taking taylor expansion of -1 in x
7.045 * [taylor]: Taking taylor expansion of x in x
7.046 * [taylor]: Taking taylor expansion of (exp (- (/ -1 x))) in x
7.046 * [taylor]: Taking taylor expansion of (- (/ -1 x)) in x
7.046 * [taylor]: Taking taylor expansion of (/ -1 x) in x
7.046 * [taylor]: Taking taylor expansion of -1 in x
7.046 * [taylor]: Taking taylor expansion of x in x
7.054 * * * [progress]: simplifying candidates
7.055 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (expm1 (tanh x))
  (log1p (tanh x))
  (- (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)))
7.056 * * [simplify]: iteration  0 :  44  enodes  (cost  113 )
7.063 * * [simplify]: iteration  1 :  93  enodes  (cost  87 )
7.077 * * [simplify]: iteration  2 :  209  enodes  (cost  82 )
7.119 * * [simplify]: iteration  3 :  583  enodes  (cost  81 )
7.360 * * [simplify]: iteration  4 :  2690  enodes  (cost  81 )
8.011 * * [simplify]: iteration  done :  5001  enodes  (cost  81 )
8.011 * [simplify]: Simplified to:
   (expm1 (tanh x))
  (log1p (tanh x))
  (- (exp x) (exp (- x)))
  (+ (exp x) (exp (- x)))
  (expm1 (* 2 x))
  (+ (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))
  (fma -1/3 (pow x 3) (fma 2/15 (pow x 5) x))
  (tanh x)
  (tanh x)
8.012 * * * [progress]: adding candidates to table
8.041 * * [progress]: iteration 3 / 4
8.041 * * * [progress]: picking best candidate
8.043 * * * * [pick]: Picked  #<alt (λ (x) (fma -1/3 (pow x 3) (fma 2/15 (pow x 5) x)))>
8.043 * * * [progress]: localizing error
8.051 * * * [progress]: generating rewritten candidates
8.051 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
8.052 * * * * [progress]: [ 2 / 2 ] rewriting at (2 3)
8.052 * * * [progress]: generating series expansions
8.052 * * * * [progress]: [ 1 / 2 ] generating series at (2)
8.052 * [approximate]: Taking taylor expansion of (fma -1/3 (pow x 3) (fma 2/15 (pow x 5) x)) in (x) around 0
8.053 * [taylor]: Taking taylor expansion of (fma -1/3 (pow x 3) (fma 2/15 (pow x 5) x)) in x
8.053 * [taylor]: Rewrote expression to (+ (* -1/3 (pow x 3)) (fma 2/15 (pow x 5) x))
8.053 * [taylor]: Taking taylor expansion of (* -1/3 (pow x 3)) in x
8.053 * [taylor]: Taking taylor expansion of -1/3 in x
8.053 * [taylor]: Taking taylor expansion of (pow x 3) in x
8.053 * [taylor]: Taking taylor expansion of x in x
8.053 * [taylor]: Taking taylor expansion of (fma 2/15 (pow x 5) x) in x
8.053 * [taylor]: Rewrote expression to (+ (* 2/15 (pow x 5)) x)
8.053 * [taylor]: Taking taylor expansion of (* 2/15 (pow x 5)) in x
8.053 * [taylor]: Taking taylor expansion of 2/15 in x
8.053 * [taylor]: Taking taylor expansion of (pow x 5) in x
8.053 * [taylor]: Taking taylor expansion of x in x
8.053 * [taylor]: Taking taylor expansion of x in x
8.053 * [taylor]: Taking taylor expansion of (fma -1/3 (pow x 3) (fma 2/15 (pow x 5) x)) in x
8.053 * [taylor]: Rewrote expression to (+ (* -1/3 (pow x 3)) (fma 2/15 (pow x 5) x))
8.053 * [taylor]: Taking taylor expansion of (* -1/3 (pow x 3)) in x
8.053 * [taylor]: Taking taylor expansion of -1/3 in x
8.053 * [taylor]: Taking taylor expansion of (pow x 3) in x
8.053 * [taylor]: Taking taylor expansion of x in x
8.053 * [taylor]: Taking taylor expansion of (fma 2/15 (pow x 5) x) in x
8.053 * [taylor]: Rewrote expression to (+ (* 2/15 (pow x 5)) x)
8.053 * [taylor]: Taking taylor expansion of (* 2/15 (pow x 5)) in x
8.053 * [taylor]: Taking taylor expansion of 2/15 in x
8.053 * [taylor]: Taking taylor expansion of (pow x 5) in x
8.053 * [taylor]: Taking taylor expansion of x in x
8.053 * [taylor]: Taking taylor expansion of x in x
8.062 * [approximate]: Taking taylor expansion of (fma -1/3 (pow (/ 1 x) 3) (fma 2/15 (pow (/ 1 x) 5) (/ 1 x))) in (x) around 0
8.062 * [taylor]: Taking taylor expansion of (fma -1/3 (pow (/ 1 x) 3) (fma 2/15 (pow (/ 1 x) 5) (/ 1 x))) in x
8.062 * [taylor]: Rewrote expression to (+ (* -1/3 (pow (/ 1 x) 3)) (fma 2/15 (pow (/ 1 x) 5) (/ 1 x)))
8.062 * [taylor]: Taking taylor expansion of (* -1/3 (pow (/ 1 x) 3)) in x
8.062 * [taylor]: Taking taylor expansion of -1/3 in x
8.062 * [taylor]: Taking taylor expansion of (pow (/ 1 x) 3) in x
8.062 * [taylor]: Taking taylor expansion of (/ 1 x) in x
8.062 * [taylor]: Taking taylor expansion of x in x
8.062 * [taylor]: Taking taylor expansion of (fma 2/15 (pow (/ 1 x) 5) (/ 1 x)) in x
8.062 * [taylor]: Rewrote expression to (+ (* 2/15 (pow (/ 1 x) 5)) (/ 1 x))
8.062 * [taylor]: Taking taylor expansion of (* 2/15 (pow (/ 1 x) 5)) in x
8.062 * [taylor]: Taking taylor expansion of 2/15 in x
8.062 * [taylor]: Taking taylor expansion of (pow (/ 1 x) 5) in x
8.062 * [taylor]: Taking taylor expansion of (/ 1 x) in x
8.062 * [taylor]: Taking taylor expansion of x in x
8.063 * [taylor]: Taking taylor expansion of (/ 1 x) in x
8.063 * [taylor]: Taking taylor expansion of x in x
8.063 * [taylor]: Taking taylor expansion of (fma -1/3 (pow (/ 1 x) 3) (fma 2/15 (pow (/ 1 x) 5) (/ 1 x))) in x
8.063 * [taylor]: Rewrote expression to (+ (* -1/3 (pow (/ 1 x) 3)) (fma 2/15 (pow (/ 1 x) 5) (/ 1 x)))
8.063 * [taylor]: Taking taylor expansion of (* -1/3 (pow (/ 1 x) 3)) in x
8.063 * [taylor]: Taking taylor expansion of -1/3 in x
8.063 * [taylor]: Taking taylor expansion of (pow (/ 1 x) 3) in x
8.063 * [taylor]: Taking taylor expansion of (/ 1 x) in x
8.063 * [taylor]: Taking taylor expansion of x in x
8.063 * [taylor]: Taking taylor expansion of (fma 2/15 (pow (/ 1 x) 5) (/ 1 x)) in x
8.063 * [taylor]: Rewrote expression to (+ (* 2/15 (pow (/ 1 x) 5)) (/ 1 x))
8.063 * [taylor]: Taking taylor expansion of (* 2/15 (pow (/ 1 x) 5)) in x
8.063 * [taylor]: Taking taylor expansion of 2/15 in x
8.063 * [taylor]: Taking taylor expansion of (pow (/ 1 x) 5) in x
8.063 * [taylor]: Taking taylor expansion of (/ 1 x) in x
8.063 * [taylor]: Taking taylor expansion of x in x
8.064 * [taylor]: Taking taylor expansion of (/ 1 x) in x
8.064 * [taylor]: Taking taylor expansion of x in x
8.082 * [approximate]: Taking taylor expansion of (fma -1/3 (pow (/ -1 x) 3) (fma 2/15 (pow (/ -1 x) 5) (/ -1 x))) in (x) around 0
8.082 * [taylor]: Taking taylor expansion of (fma -1/3 (pow (/ -1 x) 3) (fma 2/15 (pow (/ -1 x) 5) (/ -1 x))) in x
8.082 * [taylor]: Rewrote expression to (+ (* -1/3 (pow (/ -1 x) 3)) (fma 2/15 (pow (/ -1 x) 5) (/ -1 x)))
8.082 * [taylor]: Taking taylor expansion of (* -1/3 (pow (/ -1 x) 3)) in x
8.082 * [taylor]: Taking taylor expansion of -1/3 in x
8.082 * [taylor]: Taking taylor expansion of (pow (/ -1 x) 3) in x
8.082 * [taylor]: Taking taylor expansion of (/ -1 x) in x
8.082 * [taylor]: Taking taylor expansion of -1 in x
8.082 * [taylor]: Taking taylor expansion of x in x
8.082 * [taylor]: Taking taylor expansion of (fma 2/15 (pow (/ -1 x) 5) (/ -1 x)) in x
8.082 * [taylor]: Rewrote expression to (+ (* 2/15 (pow (/ -1 x) 5)) (/ -1 x))
8.082 * [taylor]: Taking taylor expansion of (* 2/15 (pow (/ -1 x) 5)) in x
8.082 * [taylor]: Taking taylor expansion of 2/15 in x
8.082 * [taylor]: Taking taylor expansion of (pow (/ -1 x) 5) in x
8.082 * [taylor]: Taking taylor expansion of (/ -1 x) in x
8.082 * [taylor]: Taking taylor expansion of -1 in x
8.082 * [taylor]: Taking taylor expansion of x in x
8.083 * [taylor]: Taking taylor expansion of (/ -1 x) in x
8.083 * [taylor]: Taking taylor expansion of -1 in x
8.083 * [taylor]: Taking taylor expansion of x in x
8.083 * [taylor]: Taking taylor expansion of (fma -1/3 (pow (/ -1 x) 3) (fma 2/15 (pow (/ -1 x) 5) (/ -1 x))) in x
8.083 * [taylor]: Rewrote expression to (+ (* -1/3 (pow (/ -1 x) 3)) (fma 2/15 (pow (/ -1 x) 5) (/ -1 x)))
8.083 * [taylor]: Taking taylor expansion of (* -1/3 (pow (/ -1 x) 3)) in x
8.083 * [taylor]: Taking taylor expansion of -1/3 in x
8.083 * [taylor]: Taking taylor expansion of (pow (/ -1 x) 3) in x
8.083 * [taylor]: Taking taylor expansion of (/ -1 x) in x
8.083 * [taylor]: Taking taylor expansion of -1 in x
8.083 * [taylor]: Taking taylor expansion of x in x
8.084 * [taylor]: Taking taylor expansion of (fma 2/15 (pow (/ -1 x) 5) (/ -1 x)) in x
8.084 * [taylor]: Rewrote expression to (+ (* 2/15 (pow (/ -1 x) 5)) (/ -1 x))
8.084 * [taylor]: Taking taylor expansion of (* 2/15 (pow (/ -1 x) 5)) in x
8.084 * [taylor]: Taking taylor expansion of 2/15 in x
8.084 * [taylor]: Taking taylor expansion of (pow (/ -1 x) 5) in x
8.084 * [taylor]: Taking taylor expansion of (/ -1 x) in x
8.084 * [taylor]: Taking taylor expansion of -1 in x
8.084 * [taylor]: Taking taylor expansion of x in x
8.084 * [taylor]: Taking taylor expansion of (/ -1 x) in x
8.084 * [taylor]: Taking taylor expansion of -1 in x
8.084 * [taylor]: Taking taylor expansion of x in x
8.103 * * * * [progress]: [ 2 / 2 ] generating series at (2 3)
8.103 * [approximate]: Taking taylor expansion of (fma 2/15 (pow x 5) x) in (x) around 0
8.103 * [taylor]: Taking taylor expansion of (fma 2/15 (pow x 5) x) in x
8.104 * [taylor]: Rewrote expression to (+ (* 2/15 (pow x 5)) x)
8.104 * [taylor]: Taking taylor expansion of (* 2/15 (pow x 5)) in x
8.104 * [taylor]: Taking taylor expansion of 2/15 in x
8.104 * [taylor]: Taking taylor expansion of (pow x 5) in x
8.104 * [taylor]: Taking taylor expansion of x in x
8.104 * [taylor]: Taking taylor expansion of x in x
8.104 * [taylor]: Taking taylor expansion of (fma 2/15 (pow x 5) x) in x
8.104 * [taylor]: Rewrote expression to (+ (* 2/15 (pow x 5)) x)
8.104 * [taylor]: Taking taylor expansion of (* 2/15 (pow x 5)) in x
8.104 * [taylor]: Taking taylor expansion of 2/15 in x
8.104 * [taylor]: Taking taylor expansion of (pow x 5) in x
8.104 * [taylor]: Taking taylor expansion of x in x
8.104 * [taylor]: Taking taylor expansion of x in x
8.127 * [approximate]: Taking taylor expansion of (fma 2/15 (pow (/ 1 x) 5) (/ 1 x)) in (x) around 0
8.127 * [taylor]: Taking taylor expansion of (fma 2/15 (pow (/ 1 x) 5) (/ 1 x)) in x
8.127 * [taylor]: Rewrote expression to (+ (* 2/15 (pow (/ 1 x) 5)) (/ 1 x))
8.127 * [taylor]: Taking taylor expansion of (* 2/15 (pow (/ 1 x) 5)) in x
8.127 * [taylor]: Taking taylor expansion of 2/15 in x
8.127 * [taylor]: Taking taylor expansion of (pow (/ 1 x) 5) in x
8.127 * [taylor]: Taking taylor expansion of (/ 1 x) in x
8.127 * [taylor]: Taking taylor expansion of x in x
8.127 * [taylor]: Taking taylor expansion of (/ 1 x) in x
8.127 * [taylor]: Taking taylor expansion of x in x
8.127 * [taylor]: Taking taylor expansion of (fma 2/15 (pow (/ 1 x) 5) (/ 1 x)) in x
8.128 * [taylor]: Rewrote expression to (+ (* 2/15 (pow (/ 1 x) 5)) (/ 1 x))
8.128 * [taylor]: Taking taylor expansion of (* 2/15 (pow (/ 1 x) 5)) in x
8.128 * [taylor]: Taking taylor expansion of 2/15 in x
8.128 * [taylor]: Taking taylor expansion of (pow (/ 1 x) 5) in x
8.128 * [taylor]: Taking taylor expansion of (/ 1 x) in x
8.128 * [taylor]: Taking taylor expansion of x in x
8.128 * [taylor]: Taking taylor expansion of (/ 1 x) in x
8.128 * [taylor]: Taking taylor expansion of x in x
8.169 * [approximate]: Taking taylor expansion of (fma 2/15 (pow (/ -1 x) 5) (/ -1 x)) in (x) around 0
8.169 * [taylor]: Taking taylor expansion of (fma 2/15 (pow (/ -1 x) 5) (/ -1 x)) in x
8.170 * [taylor]: Rewrote expression to (+ (* 2/15 (pow (/ -1 x) 5)) (/ -1 x))
8.170 * [taylor]: Taking taylor expansion of (* 2/15 (pow (/ -1 x) 5)) in x
8.170 * [taylor]: Taking taylor expansion of 2/15 in x
8.170 * [taylor]: Taking taylor expansion of (pow (/ -1 x) 5) in x
8.170 * [taylor]: Taking taylor expansion of (/ -1 x) in x
8.170 * [taylor]: Taking taylor expansion of -1 in x
8.170 * [taylor]: Taking taylor expansion of x in x
8.170 * [taylor]: Taking taylor expansion of (/ -1 x) in x
8.170 * [taylor]: Taking taylor expansion of -1 in x
8.170 * [taylor]: Taking taylor expansion of x in x
8.170 * [taylor]: Taking taylor expansion of (fma 2/15 (pow (/ -1 x) 5) (/ -1 x)) in x
8.170 * [taylor]: Rewrote expression to (+ (* 2/15 (pow (/ -1 x) 5)) (/ -1 x))
8.170 * [taylor]: Taking taylor expansion of (* 2/15 (pow (/ -1 x) 5)) in x
8.170 * [taylor]: Taking taylor expansion of 2/15 in x
8.170 * [taylor]: Taking taylor expansion of (pow (/ -1 x) 5) in x
8.170 * [taylor]: Taking taylor expansion of (/ -1 x) in x
8.170 * [taylor]: Taking taylor expansion of -1 in x
8.170 * [taylor]: Taking taylor expansion of x in x
8.171 * [taylor]: Taking taylor expansion of (/ -1 x) in x
8.171 * [taylor]: Taking taylor expansion of -1 in x
8.171 * [taylor]: Taking taylor expansion of x in x
8.219 * * * [progress]: simplifying candidates
8.219 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (expm1 (fma -1/3 (pow x 3) (fma 2/15 (pow x 5) x)))
  (log1p (fma -1/3 (pow x 3) (fma 2/15 (pow x 5) x)))
  (* -1/3 (pow x 3))
  (log (fma -1/3 (pow x 3) (fma 2/15 (pow x 5) x)))
  (exp (fma -1/3 (pow x 3) (fma 2/15 (pow x 5) x)))
  (* (cbrt (fma -1/3 (pow x 3) (fma 2/15 (pow x 5) x))) (cbrt (fma -1/3 (pow x 3) (fma 2/15 (pow x 5) x))))
  (cbrt (fma -1/3 (pow x 3) (fma 2/15 (pow x 5) x)))
  (* (* (fma -1/3 (pow x 3) (fma 2/15 (pow x 5) x)) (fma -1/3 (pow x 3) (fma 2/15 (pow x 5) x))) (fma -1/3 (pow x 3) (fma 2/15 (pow x 5) x)))
  (sqrt (fma -1/3 (pow x 3) (fma 2/15 (pow x 5) x)))
  (sqrt (fma -1/3 (pow x 3) (fma 2/15 (pow x 5) x)))
  (expm1 (fma 2/15 (pow x 5) x))
  (log1p (fma 2/15 (pow x 5) x))
  (* 2/15 (pow x 5))
  (log (fma 2/15 (pow x 5) x))
  (exp (fma 2/15 (pow x 5) x))
  (* (cbrt (fma 2/15 (pow x 5) x)) (cbrt (fma 2/15 (pow x 5) x)))
  (cbrt (fma 2/15 (pow x 5) x))
  (* (* (fma 2/15 (pow x 5) x) (fma 2/15 (pow x 5) x)) (fma 2/15 (pow x 5) x))
  (sqrt (fma 2/15 (pow x 5) x))
  (sqrt (fma 2/15 (pow x 5) x))
  (- (+ 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)))
  (+ x (* 2/15 (pow x 5)))
  (+ x (* 2/15 (pow x 5)))
8.221 * * [simplify]: iteration  0 :  33  enodes  (cost  298 )
8.225 * * [simplify]: iteration  1 :  56  enodes  (cost  292 )
8.236 * * [simplify]: iteration  2 :  154  enodes  (cost  255 )
8.273 * * [simplify]: iteration  3 :  591  enodes  (cost  255 )
8.512 * * [simplify]: iteration  4 :  3525  enodes  (cost  255 )
10.008 * * [simplify]: iteration  done :  5000  enodes  (cost  255 )
10.008 * [simplify]: Simplified to:
   (expm1 (fma -1/3 (pow x 3) (fma 2/15 (pow x 5) x)))
  (log1p (fma -1/3 (pow x 3) (fma 2/15 (pow x 5) x)))
  (* -1/3 (pow x 3))
  (log (fma -1/3 (pow x 3) (fma 2/15 (pow x 5) x)))
  (exp (fma -1/3 (pow x 3) (fma 2/15 (pow x 5) x)))
  (* (cbrt (fma -1/3 (pow x 3) (fma 2/15 (pow x 5) x))) (cbrt (fma -1/3 (pow x 3) (fma 2/15 (pow x 5) x))))
  (cbrt (fma -1/3 (pow x 3) (fma 2/15 (pow x 5) x)))
  (pow (fma -1/3 (pow x 3) (fma 2/15 (pow x 5) x)) 3)
  (sqrt (fma -1/3 (pow x 3) (fma 2/15 (pow x 5) x)))
  (sqrt (fma -1/3 (pow x 3) (fma 2/15 (pow x 5) x)))
  (expm1 (fma 2/15 (pow x 5) x))
  (log1p (fma 2/15 (pow x 5) x))
  (* 2/15 (pow x 5))
  (log (fma 2/15 (pow x 5) x))
  (exp (fma 2/15 (pow x 5) x))
  (* (cbrt (fma 2/15 (pow x 5) x)) (cbrt (fma 2/15 (pow x 5) x)))
  (cbrt (fma 2/15 (pow x 5) x))
  (pow (fma 2/15 (pow x 5) x) 3)
  (sqrt (fma 2/15 (pow x 5) x))
  (sqrt (fma 2/15 (pow x 5) x))
  (fma -1/3 (pow x 3) (fma 2/15 (pow x 5) x))
  (fma -1/3 (pow x 3) (fma 2/15 (pow x 5) x))
  (fma -1/3 (pow x 3) (fma 2/15 (pow x 5) x))
  (fma 2/15 (pow x 5) x)
  (fma 2/15 (pow x 5) x)
  (fma 2/15 (pow x 5) x)
10.008 * * * [progress]: adding candidates to table
10.072 * [progress]: [Phase 3 of 3] Extracting.
10.072 * * [regime]: Finding splitpoints for: (#<alt (λ (x) (fma -1/3 (pow x 3) (fma 2/15 (pow x 5) x)))> #<alt (λ (x) (tanh x))>)
10.072 * * * [regime-changes]: Trying 1 branch expressions: (x)
10.072 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x) (fma -1/3 (pow x 3) (fma 2/15 (pow x 5) x)))> #<alt (λ (x) (tanh x))>)
10.083 * * * [regime]: Found split indices: #<option (#s(si 1 255))>
10.083 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (tanh x)
10.083 * * [simplify]: iteration  0 :  2  enodes  (cost  2 )
10.083 * * [simplify]: iteration  done :  2  enodes  (cost  2 )
10.083 * [simplify]: Simplified to:
   (tanh x)
13.255 * [regime-testing]: Baseline error score: 0.013574817164735737
13.256 * [regime-testing]: Oracle error score: 0.0031985201276060957
13.257 * [regime-testing]: End program error score: 0.013574817164735737