10.312 * [progress]: [Phase 1 of 3] Setting up.
0.002 * * * [progress]: [1/2] Preparing points
0.015 * * * [progress]: [2/2] Setting up program.
0.020 * [progress]: [Phase 2 of 3] Improving.
0.020 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/.f64 2 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))))
0.147 * * [simplify]: iteration  0 :  4919  enodes  (cost  13 )
0.147 * * [simplify]: iteration  1 :  4919  enodes  (cost  13 )
0.149 * [simplify]: Simplified to:
   (/.f64 2 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))))
0.149 * * [progress]: iteration 1 / 4
0.149 * * * [progress]: picking best candidate
0.153 * * * * [pick]: Picked  #<alt (λ (x) (/.f64 2 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x)))))>
0.153 * * * [progress]: localizing error
0.163 * * * [progress]: generating rewritten candidates
0.163 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
0.170 * * * * [progress]: [ 2 / 2 ] rewriting at (2 2)
0.175 * * * [progress]: generating series expansions
0.176 * * * * [progress]: [ 1 / 2 ] generating series at (2)
0.176 * [approximate]: Taking taylor expansion of (/ 2 (+ (exp (neg x)) (exp x))) in (x) around 0
0.176 * [taylor]: Taking taylor expansion of (/ 2 (+ (exp (neg x)) (exp x))) in x
0.176 * [taylor]: Taking taylor expansion of 2 in x
0.176 * [taylor]: Taking taylor expansion of (+ (exp (neg x)) (exp x)) in x
0.176 * [taylor]: Taking taylor expansion of (exp (neg x)) in x
0.176 * [taylor]: Taking taylor expansion of (neg x) in x
0.176 * [taylor]: Taking taylor expansion of x in x
0.176 * [taylor]: Taking taylor expansion of (exp x) in x
0.176 * [taylor]: Taking taylor expansion of x in x
0.177 * [taylor]: Taking taylor expansion of (/ 2 (+ (exp (neg x)) (exp x))) in x
0.177 * [taylor]: Taking taylor expansion of 2 in x
0.177 * [taylor]: Taking taylor expansion of (+ (exp (neg x)) (exp x)) in x
0.177 * [taylor]: Taking taylor expansion of (exp (neg x)) in x
0.177 * [taylor]: Taking taylor expansion of (neg x) in x
0.177 * [taylor]: Taking taylor expansion of x in x
0.177 * [taylor]: Taking taylor expansion of (exp x) in x
0.177 * [taylor]: Taking taylor expansion of x in x
0.185 * [approximate]: Taking taylor expansion of (/ 2 (+ (exp (/ 1 x)) (exp (neg (/ 1 x))))) in (x) around 0
0.185 * [taylor]: Taking taylor expansion of (/ 2 (+ (exp (/ 1 x)) (exp (neg (/ 1 x))))) in x
0.185 * [taylor]: Taking taylor expansion of 2 in x
0.185 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (neg (/ 1 x)))) in x
0.185 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.185 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.185 * [taylor]: Taking taylor expansion of x in x
0.186 * [taylor]: Taking taylor expansion of (exp (neg (/ 1 x))) in x
0.186 * [taylor]: Taking taylor expansion of (neg (/ 1 x)) in x
0.186 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.186 * [taylor]: Taking taylor expansion of x in x
0.187 * [taylor]: Taking taylor expansion of (/ 2 (+ (exp (/ 1 x)) (exp (neg (/ 1 x))))) in x
0.187 * [taylor]: Taking taylor expansion of 2 in x
0.187 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (neg (/ 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 x in x
0.187 * [taylor]: Taking taylor expansion of (exp (neg (/ 1 x))) in x
0.187 * [taylor]: Taking taylor expansion of (neg (/ 1 x)) in x
0.187 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.187 * [taylor]: Taking taylor expansion of x in x
0.203 * [approximate]: Taking taylor expansion of (/ 2 (+ (exp (/ 1 x)) (exp (/ -1 x)))) in (x) around 0
0.203 * [taylor]: Taking taylor expansion of (/ 2 (+ (exp (/ 1 x)) (exp (/ -1 x)))) in x
0.203 * [taylor]: Taking taylor expansion of 2 in x
0.203 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (/ -1 x))) in x
0.203 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.203 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.203 * [taylor]: Taking taylor expansion of x in x
0.203 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.203 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.203 * [taylor]: Taking taylor expansion of -1 in x
0.203 * [taylor]: Taking taylor expansion of x in x
0.204 * [taylor]: Taking taylor expansion of (/ 2 (+ (exp (/ 1 x)) (exp (/ -1 x)))) in x
0.204 * [taylor]: Taking taylor expansion of 2 in x
0.204 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (/ -1 x))) in x
0.204 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.204 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.204 * [taylor]: Taking taylor expansion of x in x
0.204 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.204 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.204 * [taylor]: Taking taylor expansion of -1 in x
0.204 * [taylor]: Taking taylor expansion of x in x
0.222 * * * * [progress]: [ 2 / 2 ] generating series at (2 2)
0.222 * [approximate]: Taking taylor expansion of (+ (exp (neg x)) (exp x)) in (x) around 0
0.222 * [taylor]: Taking taylor expansion of (+ (exp (neg x)) (exp x)) in x
0.222 * [taylor]: Taking taylor expansion of (exp (neg x)) in x
0.222 * [taylor]: Taking taylor expansion of (neg x) in x
0.222 * [taylor]: Taking taylor expansion of x in x
0.222 * [taylor]: Taking taylor expansion of (exp x) in x
0.222 * [taylor]: Taking taylor expansion of x in x
0.223 * [taylor]: Taking taylor expansion of (+ (exp (neg x)) (exp x)) in x
0.223 * [taylor]: Taking taylor expansion of (exp (neg x)) in x
0.223 * [taylor]: Taking taylor expansion of (neg x) in x
0.223 * [taylor]: Taking taylor expansion of x in x
0.223 * [taylor]: Taking taylor expansion of (exp x) in x
0.223 * [taylor]: Taking taylor expansion of x in x
0.230 * [approximate]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (neg (/ 1 x)))) in (x) around 0
0.230 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (neg (/ 1 x)))) in x
0.230 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.230 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.230 * [taylor]: Taking taylor expansion of x in x
0.230 * [taylor]: Taking taylor expansion of (exp (neg (/ 1 x))) in x
0.230 * [taylor]: Taking taylor expansion of (neg (/ 1 x)) in x
0.230 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.230 * [taylor]: Taking taylor expansion of x in x
0.230 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (neg (/ 1 x)))) in x
0.230 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.230 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.230 * [taylor]: Taking taylor expansion of x in x
0.231 * [taylor]: Taking taylor expansion of (exp (neg (/ 1 x))) in x
0.231 * [taylor]: Taking taylor expansion of (neg (/ 1 x)) in x
0.231 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.231 * [taylor]: Taking taylor expansion of x in x
0.233 * [approximate]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (/ -1 x))) in (x) around 0
0.233 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (/ -1 x))) in x
0.233 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.233 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.233 * [taylor]: Taking taylor expansion of x in x
0.233 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.233 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.233 * [taylor]: Taking taylor expansion of -1 in x
0.234 * [taylor]: Taking taylor expansion of x in x
0.234 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (/ -1 x))) in x
0.234 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.234 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.234 * [taylor]: Taking taylor expansion of x in x
0.234 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.234 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.234 * [taylor]: Taking taylor expansion of -1 in x
0.234 * [taylor]: Taking taylor expansion of x in x
0.236 * * * [progress]: simplifying candidates
0.236 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/.f64 2 (-.f64 (*.f64 (exp.f64 x) (exp.f64 x)) (*.f64 (exp.f64 (neg.f64 x)) (exp.f64 (neg.f64 x)))))
  (/.f64 2 (+.f64 (pow.f64 (exp.f64 x) 3) (pow.f64 (exp.f64 (neg.f64 x)) 3)))
  (/.f64 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))) 2)
  (/.f64 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))) (sqrt.f64 2))
  (/.f64 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))) (cbrt.f64 2))
  (/.f64 2 1)
  (/.f64 2 1)
  (/.f64 2 (sqrt.f64 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x)))))
  (/.f64 2 (*.f64 (cbrt.f64 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x)))) (cbrt.f64 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))))))
  (/.f64 2 2)
  (/.f64 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))) 2)
  (/.f64 1 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))))
  (/.f64 1 1)
  (/.f64 2 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))))
  (/.f64 1 1)
  (/.f64 2 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))))
  (/.f64 1 (sqrt.f64 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x)))))
  (/.f64 2 (sqrt.f64 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x)))))
  (/.f64 1 (*.f64 (cbrt.f64 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x)))) (cbrt.f64 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))))))
  (/.f64 2 (cbrt.f64 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x)))))
  (/.f64 1 2)
  (/.f64 2 (cosh.f64 x))
  (/.f64 (sqrt.f64 2) 1)
  (/.f64 (sqrt.f64 2) (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))))
  (/.f64 (sqrt.f64 2) 1)
  (/.f64 (sqrt.f64 2) (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))))
  (/.f64 (sqrt.f64 2) (sqrt.f64 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x)))))
  (/.f64 (sqrt.f64 2) (sqrt.f64 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x)))))
  (/.f64 (sqrt.f64 2) (*.f64 (cbrt.f64 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x)))) (cbrt.f64 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))))))
  (/.f64 (sqrt.f64 2) (cbrt.f64 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x)))))
  (/.f64 (sqrt.f64 2) 2)
  (/.f64 (sqrt.f64 2) (cosh.f64 x))
  (/.f64 (*.f64 (cbrt.f64 2) (cbrt.f64 2)) 1)
  (/.f64 (cbrt.f64 2) (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))))
  (/.f64 (*.f64 (cbrt.f64 2) (cbrt.f64 2)) 1)
  (/.f64 (cbrt.f64 2) (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))))
  (/.f64 (*.f64 (cbrt.f64 2) (cbrt.f64 2)) (sqrt.f64 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x)))))
  (/.f64 (cbrt.f64 2) (sqrt.f64 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x)))))
  (/.f64 (*.f64 (cbrt.f64 2) (cbrt.f64 2)) (*.f64 (cbrt.f64 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x)))) (cbrt.f64 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))))))
  (/.f64 (cbrt.f64 2) (cbrt.f64 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x)))))
  (/.f64 (*.f64 (cbrt.f64 2) (cbrt.f64 2)) 2)
  (/.f64 (cbrt.f64 2) (cosh.f64 x))
  (neg.f64 2)
  (neg.f64 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))))
  (sqrt.f64 (/.f64 2 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x)))))
  (sqrt.f64 (/.f64 2 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x)))))
  (*.f64 (*.f64 (/.f64 2 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x)))) (/.f64 2 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))))) (/.f64 2 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x)))))
  (*.f64 (cbrt.f64 (/.f64 2 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))))) (cbrt.f64 (/.f64 2 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))))))
  (cbrt.f64 (/.f64 2 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x)))))
  (/.f64 (*.f64 (*.f64 2 2) 2) (*.f64 (*.f64 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))) (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x)))) (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x)))))
  (exp.f64 (/.f64 2 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x)))))
  (log.f64 (/.f64 2 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x)))))
  (-.f64 (log.f64 2) (log.f64 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x)))))
  (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x)))
  (-.f64 (*.f64 (exp.f64 x) (exp.f64 x)) (*.f64 (exp.f64 (neg.f64 x)) (exp.f64 (neg.f64 x))))
  (-.f64 (exp.f64 x) (exp.f64 (neg.f64 x)))
  (+.f64 (pow.f64 (exp.f64 x) 3) (pow.f64 (exp.f64 (neg.f64 x)) 3))
  (+.f64 (*.f64 (exp.f64 x) (exp.f64 x)) (-.f64 (*.f64 (exp.f64 (neg.f64 x)) (exp.f64 (neg.f64 x))) (*.f64 (exp.f64 x) (exp.f64 (neg.f64 x)))))
  (sqrt.f64 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))))
  (sqrt.f64 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))))
  (*.f64 (*.f64 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))) (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x)))) (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))))
  (*.f64 (cbrt.f64 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x)))) (cbrt.f64 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x)))))
  (cbrt.f64 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))))
  (exp.f64 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))))
  (log.f64 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))))
  (*.f64 (exp.f64 (exp.f64 x)) (exp.f64 (exp.f64 (neg.f64 x))))
  (cosh.f64 x)
  (-.f64 (+.f64 (*.f64 5/24 (pow.f64 x 4)) 1) (*.f64 1/2 (pow.f64 x 2)))
  (/.f64 2 (+.f64 (exp.f64 (neg.f64 x)) (exp.f64 x)))
  (/.f64 2 (+.f64 (exp.f64 (*.f64 -1 x)) (exp.f64 x)))
  (+.f64 (pow.f64 x 2) (+.f64 (*.f64 1/12 (pow.f64 x 4)) 2))
  (+.f64 (exp.f64 (neg.f64 x)) (exp.f64 x))
  (+.f64 (exp.f64 (*.f64 -1 x)) (exp.f64 x))
0.321 * * [simplify]: iteration  0 :  5297  enodes  (cost  954 )
0.326 * [simplify]: Simplified to:
   (/.f64 2 (-.f64 (pow.f64 (exp.f64 x) 2) (pow.f64 (exp.f64 x) -2)))
  (/.f64 2 (+.f64 (pow.f64 (exp.f64 x) 3) (pow.f64 (exp.f64 x) -3)))
  (cosh.f64 x)
  (/.f64 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))) (sqrt.f64 2))
  (/.f64 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))) (cbrt.f64 2))
  2
  2
  (/.f64 2 (sqrt.f64 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x)))))
  (/.f64 2 (*.f64 (cbrt.f64 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x)))) (cbrt.f64 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))))))
  1
  (cosh.f64 x)
  (/.f64 1 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))))
  1
  (/.f64 2 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))))
  1
  (/.f64 2 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))))
  (/.f64 1 (sqrt.f64 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x)))))
  (/.f64 2 (sqrt.f64 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x)))))
  (/.f64 1 (*.f64 (cbrt.f64 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x)))) (cbrt.f64 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))))))
  (/.f64 2 (cbrt.f64 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x)))))
  1/2
  (/.f64 2 (cosh.f64 x))
  (sqrt.f64 2)
  (/.f64 (sqrt.f64 2) (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))))
  (sqrt.f64 2)
  (/.f64 (sqrt.f64 2) (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))))
  (/.f64 (sqrt.f64 2) (sqrt.f64 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x)))))
  (/.f64 (sqrt.f64 2) (sqrt.f64 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x)))))
  (/.f64 (sqrt.f64 2) (*.f64 (cbrt.f64 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x)))) (cbrt.f64 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))))))
  (/.f64 (sqrt.f64 2) (cbrt.f64 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x)))))
  (/.f64 (sqrt.f64 2) 2)
  (/.f64 (sqrt.f64 2) (cosh.f64 x))
  (*.f64 (cbrt.f64 2) (cbrt.f64 2))
  (/.f64 (cbrt.f64 2) (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))))
  (*.f64 (cbrt.f64 2) (cbrt.f64 2))
  (/.f64 (cbrt.f64 2) (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))))
  (/.f64 (*.f64 (cbrt.f64 2) (cbrt.f64 2)) (sqrt.f64 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x)))))
  (/.f64 (cbrt.f64 2) (sqrt.f64 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x)))))
  (/.f64 (*.f64 (cbrt.f64 2) (cbrt.f64 2)) (*.f64 (cbrt.f64 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x)))) (cbrt.f64 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))))))
  (/.f64 (cbrt.f64 2) (cbrt.f64 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x)))))
  (/.f64 (*.f64 (cbrt.f64 2) (cbrt.f64 2)) 2)
  (/.f64 (cbrt.f64 2) (cosh.f64 x))
  -2
  (-.f64 (/.f64 -1 (exp.f64 x)) (exp.f64 x))
  (sqrt.f64 (/.f64 2 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x)))))
  (sqrt.f64 (/.f64 2 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x)))))
  (pow.f64 (/.f64 2 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x)))) 3)
  (*.f64 (cbrt.f64 (/.f64 2 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))))) (cbrt.f64 (/.f64 2 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))))))
  (cbrt.f64 (/.f64 2 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x)))))
  (pow.f64 (/.f64 2 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x)))) 3)
  (exp.f64 (/.f64 2 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x)))))
  (log.f64 (/.f64 2 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x)))))
  (log.f64 (/.f64 2 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x)))))
  (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x)))
  (-.f64 (pow.f64 (exp.f64 x) 2) (pow.f64 (exp.f64 x) -2))
  (-.f64 (exp.f64 x) (exp.f64 (neg.f64 x)))
  (+.f64 (pow.f64 (exp.f64 x) 3) (pow.f64 (exp.f64 x) -3))
  (+.f64 (pow.f64 (exp.f64 x) 2) (+.f64 (pow.f64 (exp.f64 x) -2) -1))
  (sqrt.f64 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))))
  (sqrt.f64 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))))
  (pow.f64 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))) 3)
  (*.f64 (cbrt.f64 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x)))) (cbrt.f64 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x)))))
  (cbrt.f64 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))))
  (exp.f64 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))))
  (log.f64 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))))
  (exp.f64 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))))
  (cosh.f64 x)
  (-.f64 (+.f64 1 (*.f64 5/24 (pow.f64 x 4))) (*.f64 1/2 (*.f64 x x)))
  (/.f64 2 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))))
  (/.f64 2 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))))
  (+.f64 (*.f64 x x) (+.f64 2 (*.f64 (pow.f64 x 4) 1/12)))
  (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x)))
  (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x)))
0.327 * * * [progress]: adding candidates to table
0.466 * * [progress]: iteration 2 / 4
0.466 * * * [progress]: picking best candidate
0.470 * * * * [pick]: Picked  #<alt (λ (x) (-.f64 (+.f64 1 (*.f64 5/24 (pow.f64 x 4))) (*.f64 1/2 (*.f64 x x))))>
0.470 * * * [progress]: localizing error
0.485 * * * [progress]: generating rewritten candidates
0.485 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
0.492 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1 2)
0.498 * * * [progress]: generating series expansions
0.498 * * * * [progress]: [ 1 / 2 ] generating series at (2)
0.499 * [approximate]: Taking taylor expansion of (- (+ (* 5/24 (pow x 4)) 1) (* 1/2 (pow x 2))) in (x) around 0
0.499 * [taylor]: Taking taylor expansion of (- (+ (* 5/24 (pow x 4)) 1) (* 1/2 (pow x 2))) in x
0.499 * [taylor]: Taking taylor expansion of (+ (* 5/24 (pow x 4)) 1) in x
0.499 * [taylor]: Taking taylor expansion of (* 5/24 (pow x 4)) in x
0.499 * [taylor]: Taking taylor expansion of 5/24 in x
0.499 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.499 * [taylor]: Taking taylor expansion of x in x
0.499 * [taylor]: Taking taylor expansion of 1 in x
0.499 * [taylor]: Taking taylor expansion of (* 1/2 (pow x 2)) in x
0.499 * [taylor]: Taking taylor expansion of 1/2 in x
0.499 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.499 * [taylor]: Taking taylor expansion of x in x
0.500 * [taylor]: Taking taylor expansion of (- (+ (* 5/24 (pow x 4)) 1) (* 1/2 (pow x 2))) in x
0.500 * [taylor]: Taking taylor expansion of (+ (* 5/24 (pow x 4)) 1) in x
0.500 * [taylor]: Taking taylor expansion of (* 5/24 (pow x 4)) in x
0.500 * [taylor]: Taking taylor expansion of 5/24 in x
0.500 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.500 * [taylor]: Taking taylor expansion of x in x
0.500 * [taylor]: Taking taylor expansion of 1 in x
0.500 * [taylor]: Taking taylor expansion of (* 1/2 (pow x 2)) in x
0.500 * [taylor]: Taking taylor expansion of 1/2 in x
0.500 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.500 * [taylor]: Taking taylor expansion of x in x
0.503 * [approximate]: Taking taylor expansion of (- (+ (* 5/24 (/ 1 (pow x 4))) 1) (* 1/2 (/ 1 (pow x 2)))) in (x) around 0
0.503 * [taylor]: Taking taylor expansion of (- (+ (* 5/24 (/ 1 (pow x 4))) 1) (* 1/2 (/ 1 (pow x 2)))) in x
0.503 * [taylor]: Taking taylor expansion of (+ (* 5/24 (/ 1 (pow x 4))) 1) in x
0.503 * [taylor]: Taking taylor expansion of (* 5/24 (/ 1 (pow x 4))) in x
0.504 * [taylor]: Taking taylor expansion of 5/24 in x
0.504 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
0.504 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.504 * [taylor]: Taking taylor expansion of x in x
0.504 * [taylor]: Taking taylor expansion of 1 in x
0.504 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 (pow x 2))) in x
0.504 * [taylor]: Taking taylor expansion of 1/2 in x
0.504 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.504 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.504 * [taylor]: Taking taylor expansion of x in x
0.504 * [taylor]: Taking taylor expansion of (- (+ (* 5/24 (/ 1 (pow x 4))) 1) (* 1/2 (/ 1 (pow x 2)))) in x
0.504 * [taylor]: Taking taylor expansion of (+ (* 5/24 (/ 1 (pow x 4))) 1) in x
0.504 * [taylor]: Taking taylor expansion of (* 5/24 (/ 1 (pow x 4))) in x
0.504 * [taylor]: Taking taylor expansion of 5/24 in x
0.504 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
0.504 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.504 * [taylor]: Taking taylor expansion of x in x
0.504 * [taylor]: Taking taylor expansion of 1 in x
0.504 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 (pow x 2))) in x
0.504 * [taylor]: Taking taylor expansion of 1/2 in x
0.504 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.504 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.504 * [taylor]: Taking taylor expansion of x in x
0.514 * [approximate]: Taking taylor expansion of (- (+ (* 5/24 (/ 1 (pow x 4))) 1) (* 1/2 (/ 1 (pow x 2)))) in (x) around 0
0.514 * [taylor]: Taking taylor expansion of (- (+ (* 5/24 (/ 1 (pow x 4))) 1) (* 1/2 (/ 1 (pow x 2)))) in x
0.514 * [taylor]: Taking taylor expansion of (+ (* 5/24 (/ 1 (pow x 4))) 1) in x
0.514 * [taylor]: Taking taylor expansion of (* 5/24 (/ 1 (pow x 4))) in x
0.514 * [taylor]: Taking taylor expansion of 5/24 in x
0.514 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
0.514 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.514 * [taylor]: Taking taylor expansion of x in x
0.515 * [taylor]: Taking taylor expansion of 1 in x
0.515 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 (pow x 2))) in x
0.515 * [taylor]: Taking taylor expansion of 1/2 in x
0.515 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.515 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.515 * [taylor]: Taking taylor expansion of x in x
0.515 * [taylor]: Taking taylor expansion of (- (+ (* 5/24 (/ 1 (pow x 4))) 1) (* 1/2 (/ 1 (pow x 2)))) in x
0.515 * [taylor]: Taking taylor expansion of (+ (* 5/24 (/ 1 (pow x 4))) 1) in x
0.515 * [taylor]: Taking taylor expansion of (* 5/24 (/ 1 (pow x 4))) in x
0.515 * [taylor]: Taking taylor expansion of 5/24 in x
0.515 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4)) in x
0.515 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.515 * [taylor]: Taking taylor expansion of x in x
0.515 * [taylor]: Taking taylor expansion of 1 in x
0.515 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 (pow x 2))) in x
0.515 * [taylor]: Taking taylor expansion of 1/2 in x
0.515 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.515 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.515 * [taylor]: Taking taylor expansion of x in x
0.524 * * * * [progress]: [ 2 / 2 ] generating series at (2 1 2)
0.524 * [approximate]: Taking taylor expansion of (* 5/24 (pow x 4)) in (x) around 0
0.524 * [taylor]: Taking taylor expansion of (* 5/24 (pow x 4)) in x
0.524 * [taylor]: Taking taylor expansion of 5/24 in x
0.524 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.524 * [taylor]: Taking taylor expansion of x in x
0.524 * [taylor]: Taking taylor expansion of (* 5/24 (pow x 4)) in x
0.524 * [taylor]: Taking taylor expansion of 5/24 in x
0.524 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.525 * [taylor]: Taking taylor expansion of x in x
0.533 * [approximate]: Taking taylor expansion of (/ 5/24 (pow x 4)) in (x) around 0
0.533 * [taylor]: Taking taylor expansion of (/ 5/24 (pow x 4)) in x
0.533 * [taylor]: Taking taylor expansion of 5/24 in x
0.533 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.533 * [taylor]: Taking taylor expansion of x in x
0.533 * [taylor]: Taking taylor expansion of (/ 5/24 (pow x 4)) in x
0.533 * [taylor]: Taking taylor expansion of 5/24 in x
0.533 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.533 * [taylor]: Taking taylor expansion of x in x
0.543 * [approximate]: Taking taylor expansion of (/ 5/24 (pow x 4)) in (x) around 0
0.543 * [taylor]: Taking taylor expansion of (/ 5/24 (pow x 4)) in x
0.543 * [taylor]: Taking taylor expansion of 5/24 in x
0.543 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.543 * [taylor]: Taking taylor expansion of x in x
0.543 * [taylor]: Taking taylor expansion of (/ 5/24 (pow x 4)) in x
0.543 * [taylor]: Taking taylor expansion of 5/24 in x
0.543 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.543 * [taylor]: Taking taylor expansion of x in x
0.551 * * * [progress]: simplifying candidates
0.552 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (-.f64 (*.f64 5/24 (pow.f64 x 4)) (*.f64 1/2 (*.f64 x x)))
  (-.f64 (*.f64 (+.f64 1 (*.f64 5/24 (pow.f64 x 4))) (+.f64 1 (*.f64 5/24 (pow.f64 x 4)))) (*.f64 (*.f64 1/2 (*.f64 x x)) (*.f64 1/2 (*.f64 x x))))
  (+.f64 (+.f64 1 (*.f64 5/24 (pow.f64 x 4))) (*.f64 1/2 (*.f64 x x)))
  (neg.f64 (*.f64 1/2 (*.f64 x x)))
  (-.f64 (pow.f64 (+.f64 1 (*.f64 5/24 (pow.f64 x 4))) 3) (pow.f64 (*.f64 1/2 (*.f64 x x)) 3))
  (+.f64 (*.f64 (+.f64 1 (*.f64 5/24 (pow.f64 x 4))) (+.f64 1 (*.f64 5/24 (pow.f64 x 4)))) (+.f64 (*.f64 (*.f64 1/2 (*.f64 x x)) (*.f64 1/2 (*.f64 x x))) (*.f64 (+.f64 1 (*.f64 5/24 (pow.f64 x 4))) (*.f64 1/2 (*.f64 x x)))))
  (sqrt.f64 (-.f64 (+.f64 1 (*.f64 5/24 (pow.f64 x 4))) (*.f64 1/2 (*.f64 x x))))
  (sqrt.f64 (-.f64 (+.f64 1 (*.f64 5/24 (pow.f64 x 4))) (*.f64 1/2 (*.f64 x x))))
  (*.f64 (*.f64 (-.f64 (+.f64 1 (*.f64 5/24 (pow.f64 x 4))) (*.f64 1/2 (*.f64 x x))) (-.f64 (+.f64 1 (*.f64 5/24 (pow.f64 x 4))) (*.f64 1/2 (*.f64 x x)))) (-.f64 (+.f64 1 (*.f64 5/24 (pow.f64 x 4))) (*.f64 1/2 (*.f64 x x))))
  (*.f64 (cbrt.f64 (-.f64 (+.f64 1 (*.f64 5/24 (pow.f64 x 4))) (*.f64 1/2 (*.f64 x x)))) (cbrt.f64 (-.f64 (+.f64 1 (*.f64 5/24 (pow.f64 x 4))) (*.f64 1/2 (*.f64 x x)))))
  (cbrt.f64 (-.f64 (+.f64 1 (*.f64 5/24 (pow.f64 x 4))) (*.f64 1/2 (*.f64 x x))))
  (exp.f64 (-.f64 (+.f64 1 (*.f64 5/24 (pow.f64 x 4))) (*.f64 1/2 (*.f64 x x))))
  (log.f64 (-.f64 (+.f64 1 (*.f64 5/24 (pow.f64 x 4))) (*.f64 1/2 (*.f64 x x))))
  (/.f64 (exp.f64 (+.f64 1 (*.f64 5/24 (pow.f64 x 4)))) (exp.f64 (*.f64 1/2 (*.f64 x x))))
  (/.f64 (*.f64 (exp.f64 1) (exp.f64 (*.f64 5/24 (pow.f64 x 4)))) (exp.f64 (*.f64 1/2 (*.f64 x x))))
  (*.f64 5/24 (pow.f64 x 4))
  (*.f64 (sqrt.f64 5/24) (pow.f64 x 4))
  (*.f64 (cbrt.f64 5/24) (pow.f64 x 4))
  (*.f64 5/24 (pow.f64 x (/.f64 4 2)))
  (*.f64 5/24 1)
  (*.f64 5/24 (sqrt.f64 (pow.f64 x 4)))
  (*.f64 5/24 (*.f64 (cbrt.f64 (pow.f64 x 4)) (cbrt.f64 (pow.f64 x 4))))
  (*.f64 5/24 (pow.f64 1 4))
  (*.f64 5/24 (pow.f64 (sqrt.f64 x) 4))
  (*.f64 5/24 (pow.f64 (*.f64 (cbrt.f64 x) (cbrt.f64 x)) 4))
  (*.f64 (sqrt.f64 5/24) (pow.f64 x (/.f64 4 2)))
  (*.f64 (sqrt.f64 5/24) (pow.f64 x (/.f64 4 2)))
  (*.f64 (sqrt.f64 5/24) (sqrt.f64 (pow.f64 x 4)))
  (*.f64 (sqrt.f64 5/24) (sqrt.f64 (pow.f64 x 4)))
  (*.f64 (sqrt.f64 5/24) (pow.f64 (sqrt.f64 x) 4))
  (*.f64 (sqrt.f64 5/24) (pow.f64 (sqrt.f64 x) 4))
  (sqrt.f64 (*.f64 5/24 (pow.f64 x 4)))
  (sqrt.f64 (*.f64 5/24 (pow.f64 x 4)))
  (*.f64 (*.f64 (*.f64 5/24 (pow.f64 x 4)) (*.f64 5/24 (pow.f64 x 4))) (*.f64 5/24 (pow.f64 x 4)))
  (*.f64 (cbrt.f64 (*.f64 5/24 (pow.f64 x 4))) (cbrt.f64 (*.f64 5/24 (pow.f64 x 4))))
  (cbrt.f64 (*.f64 5/24 (pow.f64 x 4)))
  (*.f64 (*.f64 (*.f64 5/24 5/24) 5/24) (*.f64 (*.f64 (pow.f64 x 4) (pow.f64 x 4)) (pow.f64 x 4)))
  (exp.f64 (*.f64 5/24 (pow.f64 x 4)))
  (log.f64 (*.f64 5/24 (pow.f64 x 4)))
  (+.f64 (log.f64 5/24) (log.f64 (pow.f64 x 4)))
  (+.f64 (log.f64 5/24) (*.f64 (log.f64 x) 4))
  (+.f64 (log.f64 5/24) (*.f64 (log.f64 x) 4))
  (-.f64 (+.f64 (*.f64 5/24 (pow.f64 x 4)) 1) (*.f64 1/2 (pow.f64 x 2)))
  (-.f64 (+.f64 (*.f64 5/24 (pow.f64 x 4)) 1) (*.f64 1/2 (pow.f64 x 2)))
  (-.f64 (+.f64 (*.f64 5/24 (pow.f64 x 4)) 1) (*.f64 1/2 (pow.f64 x 2)))
  (*.f64 5/24 (pow.f64 x 4))
  (*.f64 5/24 (pow.f64 x 4))
  (*.f64 5/24 (pow.f64 x 4))
0.626 * * [simplify]: iteration  0 :  5044  enodes  (cost  662 )
0.630 * [simplify]: Simplified to:
   (-.f64 (*.f64 5/24 (pow.f64 x 4)) (*.f64 1/2 (*.f64 x x)))
  (+.f64 1 (*.f64 (pow.f64 x 4) (+.f64 5/24 (+.f64 (*.f64 (pow.f64 x 4) 25/576) -1/24))))
  (+.f64 (*.f64 1/2 (*.f64 x x)) (+.f64 (*.f64 5/24 (pow.f64 x 4)) 1))
  (*.f64 x (*.f64 x -1/2))
  (-.f64 (pow.f64 (+.f64 (*.f64 5/24 (pow.f64 x 4)) 1) 3) (*.f64 1/8 (pow.f64 x 6)))
  (+.f64 (*.f64 (pow.f64 x 4) 1/4) (*.f64 (+.f64 (*.f64 5/24 (pow.f64 x 4)) 1) (+.f64 (*.f64 1/2 (*.f64 x x)) (+.f64 (*.f64 5/24 (pow.f64 x 4)) 1))))
  (sqrt.f64 (+.f64 (-.f64 (*.f64 5/24 (pow.f64 x 4)) (*.f64 1/2 (*.f64 x x))) 1))
  (sqrt.f64 (+.f64 (-.f64 (*.f64 5/24 (pow.f64 x 4)) (*.f64 1/2 (*.f64 x x))) 1))
  (pow.f64 (+.f64 (-.f64 (*.f64 5/24 (pow.f64 x 4)) (*.f64 1/2 (*.f64 x x))) 1) 3)
  (*.f64 (cbrt.f64 (+.f64 (-.f64 (*.f64 5/24 (pow.f64 x 4)) (*.f64 1/2 (*.f64 x x))) 1)) (cbrt.f64 (+.f64 (-.f64 (*.f64 5/24 (pow.f64 x 4)) (*.f64 1/2 (*.f64 x x))) 1)))
  (cbrt.f64 (+.f64 (-.f64 (*.f64 5/24 (pow.f64 x 4)) (*.f64 1/2 (*.f64 x x))) 1))
  (exp.f64 (+.f64 (-.f64 (*.f64 5/24 (pow.f64 x 4)) (*.f64 1/2 (*.f64 x x))) 1))
  (log.f64 (+.f64 (-.f64 (*.f64 5/24 (pow.f64 x 4)) (*.f64 1/2 (*.f64 x x))) 1))
  (exp.f64 (+.f64 (-.f64 (*.f64 5/24 (pow.f64 x 4)) (*.f64 1/2 (*.f64 x x))) 1))
  (exp.f64 (+.f64 (-.f64 (*.f64 5/24 (pow.f64 x 4)) (*.f64 1/2 (*.f64 x x))) 1))
  (*.f64 5/24 (pow.f64 x 4))
  (*.f64 (pow.f64 x 4) (sqrt.f64 5/24))
  (*.f64 (pow.f64 x 4) (cbrt.f64 5/24))
  (*.f64 5/24 (*.f64 x x))
  5/24
  (*.f64 5/24 (sqrt.f64 (pow.f64 x 4)))
  (*.f64 5/24 (*.f64 (cbrt.f64 (pow.f64 x 4)) (cbrt.f64 (pow.f64 x 4))))
  5/24
  (*.f64 5/24 (*.f64 x x))
  (*.f64 5/24 (pow.f64 (*.f64 (cbrt.f64 x) (cbrt.f64 x)) 4))
  (*.f64 (*.f64 x x) (sqrt.f64 5/24))
  (*.f64 (*.f64 x x) (sqrt.f64 5/24))
  (*.f64 (sqrt.f64 5/24) (sqrt.f64 (pow.f64 x 4)))
  (*.f64 (sqrt.f64 5/24) (sqrt.f64 (pow.f64 x 4)))
  (*.f64 (*.f64 x x) (sqrt.f64 5/24))
  (*.f64 (*.f64 x x) (sqrt.f64 5/24))
  (sqrt.f64 (*.f64 5/24 (pow.f64 x 4)))
  (sqrt.f64 (*.f64 5/24 (pow.f64 x 4)))
  (*.f64 125/13824 (pow.f64 x 12))
  (*.f64 (cbrt.f64 (*.f64 5/24 (pow.f64 x 4))) (cbrt.f64 (*.f64 5/24 (pow.f64 x 4))))
  (cbrt.f64 (*.f64 5/24 (pow.f64 x 4)))
  (*.f64 125/13824 (pow.f64 x 12))
  (exp.f64 (*.f64 5/24 (pow.f64 x 4)))
  (log.f64 (*.f64 5/24 (pow.f64 x 4)))
  (log.f64 (*.f64 5/24 (pow.f64 x 4)))
  (log.f64 (*.f64 5/24 (pow.f64 x 4)))
  (log.f64 (*.f64 5/24 (pow.f64 x 4)))
  (+.f64 (-.f64 (*.f64 5/24 (pow.f64 x 4)) (*.f64 1/2 (*.f64 x x))) 1)
  (+.f64 (-.f64 (*.f64 5/24 (pow.f64 x 4)) (*.f64 1/2 (*.f64 x x))) 1)
  (+.f64 (-.f64 (*.f64 5/24 (pow.f64 x 4)) (*.f64 1/2 (*.f64 x x))) 1)
  (*.f64 5/24 (pow.f64 x 4))
  (*.f64 5/24 (pow.f64 x 4))
  (*.f64 5/24 (pow.f64 x 4))
0.630 * * * [progress]: adding candidates to table
0.723 * [progress]: [Phase 3 of 3] Extracting.
0.723 * * [regime]: Finding splitpoints for: (#<alt (λ (x) (-.f64 (+.f64 1 (*.f64 5/24 (pow.f64 x 4))) (*.f64 1/2 (*.f64 x x))))> #<alt (λ (x) (/.f64 2 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x)))))>)
0.724 * * * [regime-changes]: Trying 3 branch expressions: ((+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))) (/.f64 2 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x)))) x)
0.724 * * * * [regimes]: Trying to branch on (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))) from (#<alt (λ (x) (-.f64 (+.f64 1 (*.f64 5/24 (pow.f64 x 4))) (*.f64 1/2 (*.f64 x x))))> #<alt (λ (x) (/.f64 2 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x)))))>)
0.753 * * * * [regimes]: Trying to branch on (/.f64 2 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x)))) from (#<alt (λ (x) (-.f64 (+.f64 1 (*.f64 5/24 (pow.f64 x 4))) (*.f64 1/2 (*.f64 x x))))> #<alt (λ (x) (/.f64 2 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x)))))>)
0.785 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x) (-.f64 (+.f64 1 (*.f64 5/24 (pow.f64 x 4))) (*.f64 1/2 (*.f64 x x))))> #<alt (λ (x) (/.f64 2 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x)))))>)
0.830 * * * [regime]: Found split indices: #<option (#s(si 1 255))>
0.831 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/.f64 2 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))))
0.833 * * [simplify]: iteration  0 :  16  enodes  (cost  13 )
0.833 * * [simplify]: iteration  1 :  16  enodes  (cost  13 )
0.833 * [simplify]: Simplified to:
   (/.f64 2 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))))
1.696 * [regime-testing]: End program error score: 0.009199270221367815