46.299 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
1.098 * * * [progress]: [2/2] Setting up program.
1.101 * [progress]: [Phase 2 of 3] Improving.
1.101 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (log (+ 1.0 (exp x))) (* x y))
1.103 * * [simplify]: iteration  0 :  12  enodes  (cost  5 )
1.104 * * [simplify]: iteration  1 :  19  enodes  (cost  5 )
1.105 * * [simplify]: iteration  2 :  19  enodes  (cost  5 )
1.105 * [simplify]: Simplified to:
   (- (log (+ 1.0 (exp x))) (* x y))
1.106 * * [progress]: iteration 1 / 4
1.106 * * * [progress]: picking best candidate
1.109 * * * * [pick]: Picked  #<alt (λ (x y) (- (log (+ 1.0 (exp x))) (* x y)))>
1.109 * * * [progress]: localizing error
1.116 * * * [progress]: generating rewritten candidates
1.116 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1)
1.120 * * * [progress]: generating series expansions
1.120 * * * * [progress]: [ 1 / 1 ] generating series at (2 1)
1.121 * [approximate]: Taking taylor expansion of (log (+ (exp x) 1.0)) in (x) around 0
1.121 * [taylor]: Taking taylor expansion of (log (+ (exp x) 1.0)) in x
1.121 * [taylor]: Taking taylor expansion of (+ (exp x) 1.0) in x
1.121 * [taylor]: Taking taylor expansion of (exp x) in x
1.121 * [taylor]: Taking taylor expansion of x in x
1.121 * [taylor]: Taking taylor expansion of 1.0 in x
1.121 * [taylor]: Taking taylor expansion of (log (+ (exp x) 1.0)) in x
1.121 * [taylor]: Taking taylor expansion of (+ (exp x) 1.0) in x
1.121 * [taylor]: Taking taylor expansion of (exp x) in x
1.121 * [taylor]: Taking taylor expansion of x in x
1.121 * [taylor]: Taking taylor expansion of 1.0 in x
1.122 * [approximate]: Taking taylor expansion of (log (+ (exp (/ 1 x)) 1.0)) in (x) around 0
1.122 * [taylor]: Taking taylor expansion of (log (+ (exp (/ 1 x)) 1.0)) in x
1.122 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) 1.0) in x
1.122 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
1.122 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.122 * [taylor]: Taking taylor expansion of x in x
1.122 * [taylor]: Taking taylor expansion of 1.0 in x
1.122 * [taylor]: Taking taylor expansion of (log (+ (exp (/ 1 x)) 1.0)) in x
1.122 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) 1.0) in x
1.122 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
1.122 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.122 * [taylor]: Taking taylor expansion of x in x
1.122 * [taylor]: Taking taylor expansion of 1.0 in x
1.127 * [approximate]: Taking taylor expansion of (log (+ (exp (/ -1 x)) 1.0)) in (x) around 0
1.127 * [taylor]: Taking taylor expansion of (log (+ (exp (/ -1 x)) 1.0)) in x
1.127 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 x)) 1.0) in x
1.127 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
1.127 * [taylor]: Taking taylor expansion of (/ -1 x) in x
1.127 * [taylor]: Taking taylor expansion of -1 in x
1.127 * [taylor]: Taking taylor expansion of x in x
1.127 * [taylor]: Taking taylor expansion of 1.0 in x
1.127 * [taylor]: Taking taylor expansion of (log (+ (exp (/ -1 x)) 1.0)) in x
1.127 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 x)) 1.0) in x
1.127 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
1.127 * [taylor]: Taking taylor expansion of (/ -1 x) in x
1.127 * [taylor]: Taking taylor expansion of -1 in x
1.127 * [taylor]: Taking taylor expansion of x in x
1.127 * [taylor]: Taking taylor expansion of 1.0 in x
1.131 * * * [progress]: simplifying candidates
1.132 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (log (* (cbrt (+ 1.0 (exp x))) (cbrt (+ 1.0 (exp x)))))
  (log (cbrt (+ 1.0 (exp x))))
  (log (sqrt (+ 1.0 (exp x))))
  (log (sqrt (+ 1.0 (exp x))))
  (log 1)
  (log (+ 1.0 (exp x)))
  (log 1)
  (log (+ 1.0 (exp x)))
  (log (+ (pow 1.0 3) (pow (exp x) 3)))
  (log (+ (* 1.0 1.0) (- (* (exp x) (exp x)) (* 1.0 (exp x)))))
  (log (- (* 1.0 1.0) (* (exp x) (exp x))))
  (log (- 1.0 (exp x)))
  (log (+ 1.0 (exp x)))
  (log (log (+ 1.0 (exp x))))
  (exp (log (+ 1.0 (exp x))))
  (* (cbrt (log (+ 1.0 (exp x)))) (cbrt (log (+ 1.0 (exp x)))))
  (cbrt (log (+ 1.0 (exp x))))
  (* (* (log (+ 1.0 (exp x))) (log (+ 1.0 (exp x)))) (log (+ 1.0 (exp x))))
  (sqrt (log (+ 1.0 (exp x))))
  (sqrt (log (+ 1.0 (exp x))))
  (- (+ (log 2.0) (+ (* 0.25 (pow x 2)) (* 0.5 x))) (* 1/2 (/ (pow x 2) (pow 2.0 2))))
  (log (+ (exp x) 1.0))
  (log (+ (exp x) 1.0))
1.135 * * [simplify]: iteration  0 :  101  enodes  (cost  109 )
1.137 * * [simplify]: iteration  1 :  232  enodes  (cost  97 )
1.140 * * [simplify]: iteration  2 :  622  enodes  (cost  96 )
1.151 * * [simplify]: iteration  3 :  2273  enodes  (cost  95 )
1.206 * * [simplify]: iteration  4 :  5001  enodes  (cost  95 )
1.207 * [simplify]: Simplified to:
   (* 2 (log (cbrt (+ 1.0 (exp x)))))
  (log (cbrt (+ 1.0 (exp x))))
  (log (sqrt (+ 1.0 (exp x))))
  (log (sqrt (+ 1.0 (exp x))))
  0
  (log (+ (exp x) 1.0))
  0
  (log (+ (exp x) 1.0))
  (log (+ (pow 1.0 3) (pow (exp x) 3)))
  (log (+ (* 1.0 1.0) (- (* (exp x) (exp x)) (* 1.0 (exp x)))))
  (log (- (* 1.0 1.0) (* (exp x) (exp x))))
  (log (- 1.0 (exp x)))
  (log (+ (exp x) 1.0))
  (log (log (+ 1.0 (exp x))))
  (+ 1.0 (exp x))
  (* (cbrt (log (+ 1.0 (exp x)))) (cbrt (log (+ 1.0 (exp x)))))
  (cbrt (log (+ 1.0 (exp x))))
  (pow (log (+ (exp x) 1.0)) 3)
  (sqrt (log (+ 1.0 (exp x))))
  (sqrt (log (+ 1.0 (exp x))))
  (+ (+ (log 2.0) (* (pow x 2) (- 0.25 (/ 1/2 (pow 2.0 2))))) (* 0.5 x))
  (log (+ (exp x) 1.0))
  (log (+ (exp x) 1.0))
1.207 * * * [progress]: adding candidates to table
1.234 * * [progress]: iteration 2 / 4
1.234 * * * [progress]: picking best candidate
1.238 * * * * [pick]: Picked  #<alt (λ (x y) (- (+ (+ (log 2.0) (* (pow x 2) (- 0.25 (/ 1/2 (pow 2.0 2))))) (* 0.5 x)) (* x y)))>
1.238 * * * [progress]: localizing error
1.253 * * * [progress]: generating rewritten candidates
1.253 * * * * [progress]: [ 1 / 2 ] rewriting at (2 1)
1.259 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1 1)
1.264 * * * [progress]: generating series expansions
1.264 * * * * [progress]: [ 1 / 2 ] generating series at (2 1)
1.264 * [approximate]: Taking taylor expansion of (- (+ (log 2.0) (+ (* 0.25 (pow x 2)) (* 0.5 x))) (* 1/2 (/ (pow x 2) (pow 2.0 2)))) in (x) around 0
1.264 * [taylor]: Taking taylor expansion of (- (+ (log 2.0) (+ (* 0.25 (pow x 2)) (* 0.5 x))) (* 1/2 (/ (pow x 2) (pow 2.0 2)))) in x
1.264 * [taylor]: Taking taylor expansion of (+ (log 2.0) (+ (* 0.25 (pow x 2)) (* 0.5 x))) in x
1.264 * [taylor]: Taking taylor expansion of (log 2.0) in x
1.264 * [taylor]: Taking taylor expansion of 2.0 in x
1.264 * [taylor]: Taking taylor expansion of (+ (* 0.25 (pow x 2)) (* 0.5 x)) in x
1.264 * [taylor]: Taking taylor expansion of (* 0.25 (pow x 2)) in x
1.264 * [taylor]: Taking taylor expansion of 0.25 in x
1.264 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.264 * [taylor]: Taking taylor expansion of x in x
1.264 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
1.264 * [taylor]: Taking taylor expansion of 0.5 in x
1.264 * [taylor]: Taking taylor expansion of x in x
1.264 * [taylor]: Taking taylor expansion of (* 1/2 (/ (pow x 2) (pow 2.0 2))) in x
1.264 * [taylor]: Taking taylor expansion of 1/2 in x
1.264 * [taylor]: Taking taylor expansion of (/ (pow x 2) (pow 2.0 2)) in x
1.264 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.264 * [taylor]: Taking taylor expansion of x in x
1.264 * [taylor]: Taking taylor expansion of (pow 2.0 2) in x
1.264 * [taylor]: Taking taylor expansion of 2.0 in x
1.265 * [taylor]: Taking taylor expansion of (- (+ (log 2.0) (+ (* 0.25 (pow x 2)) (* 0.5 x))) (* 1/2 (/ (pow x 2) (pow 2.0 2)))) in x
1.265 * [taylor]: Taking taylor expansion of (+ (log 2.0) (+ (* 0.25 (pow x 2)) (* 0.5 x))) in x
1.265 * [taylor]: Taking taylor expansion of (log 2.0) in x
1.265 * [taylor]: Taking taylor expansion of 2.0 in x
1.265 * [taylor]: Taking taylor expansion of (+ (* 0.25 (pow x 2)) (* 0.5 x)) in x
1.265 * [taylor]: Taking taylor expansion of (* 0.25 (pow x 2)) in x
1.265 * [taylor]: Taking taylor expansion of 0.25 in x
1.265 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.265 * [taylor]: Taking taylor expansion of x in x
1.265 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
1.265 * [taylor]: Taking taylor expansion of 0.5 in x
1.265 * [taylor]: Taking taylor expansion of x in x
1.265 * [taylor]: Taking taylor expansion of (* 1/2 (/ (pow x 2) (pow 2.0 2))) in x
1.265 * [taylor]: Taking taylor expansion of 1/2 in x
1.265 * [taylor]: Taking taylor expansion of (/ (pow x 2) (pow 2.0 2)) in x
1.265 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.265 * [taylor]: Taking taylor expansion of x in x
1.265 * [taylor]: Taking taylor expansion of (pow 2.0 2) in x
1.265 * [taylor]: Taking taylor expansion of 2.0 in x
1.266 * [approximate]: Taking taylor expansion of (- (+ (log 2.0) (+ (* 0.25 (/ 1 (pow x 2))) (* 0.5 (/ 1 x)))) (* 1/2 (/ 1 (* (pow x 2) (pow 2.0 2))))) in (x) around 0
1.266 * [taylor]: Taking taylor expansion of (- (+ (log 2.0) (+ (* 0.25 (/ 1 (pow x 2))) (* 0.5 (/ 1 x)))) (* 1/2 (/ 1 (* (pow x 2) (pow 2.0 2))))) in x
1.266 * [taylor]: Taking taylor expansion of (+ (log 2.0) (+ (* 0.25 (/ 1 (pow x 2))) (* 0.5 (/ 1 x)))) in x
1.266 * [taylor]: Taking taylor expansion of (log 2.0) in x
1.266 * [taylor]: Taking taylor expansion of 2.0 in x
1.266 * [taylor]: Taking taylor expansion of (+ (* 0.25 (/ 1 (pow x 2))) (* 0.5 (/ 1 x))) in x
1.266 * [taylor]: Taking taylor expansion of (* 0.25 (/ 1 (pow x 2))) in x
1.266 * [taylor]: Taking taylor expansion of 0.25 in x
1.266 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.266 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.266 * [taylor]: Taking taylor expansion of x in x
1.266 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
1.266 * [taylor]: Taking taylor expansion of 0.5 in x
1.266 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.266 * [taylor]: Taking taylor expansion of x in x
1.266 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 (* (pow x 2) (pow 2.0 2)))) in x
1.266 * [taylor]: Taking taylor expansion of 1/2 in x
1.266 * [taylor]: Taking taylor expansion of (/ 1 (* (pow x 2) (pow 2.0 2))) in x
1.266 * [taylor]: Taking taylor expansion of (* (pow x 2) (pow 2.0 2)) in x
1.266 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.266 * [taylor]: Taking taylor expansion of x in x
1.266 * [taylor]: Taking taylor expansion of (pow 2.0 2) in x
1.266 * [taylor]: Taking taylor expansion of 2.0 in x
1.266 * [taylor]: Taking taylor expansion of (- (+ (log 2.0) (+ (* 0.25 (/ 1 (pow x 2))) (* 0.5 (/ 1 x)))) (* 1/2 (/ 1 (* (pow x 2) (pow 2.0 2))))) in x
1.266 * [taylor]: Taking taylor expansion of (+ (log 2.0) (+ (* 0.25 (/ 1 (pow x 2))) (* 0.5 (/ 1 x)))) in x
1.266 * [taylor]: Taking taylor expansion of (log 2.0) in x
1.266 * [taylor]: Taking taylor expansion of 2.0 in x
1.266 * [taylor]: Taking taylor expansion of (+ (* 0.25 (/ 1 (pow x 2))) (* 0.5 (/ 1 x))) in x
1.266 * [taylor]: Taking taylor expansion of (* 0.25 (/ 1 (pow x 2))) in x
1.266 * [taylor]: Taking taylor expansion of 0.25 in x
1.266 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.267 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.267 * [taylor]: Taking taylor expansion of x in x
1.267 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
1.267 * [taylor]: Taking taylor expansion of 0.5 in x
1.267 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.267 * [taylor]: Taking taylor expansion of x in x
1.267 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 (* (pow x 2) (pow 2.0 2)))) in x
1.267 * [taylor]: Taking taylor expansion of 1/2 in x
1.267 * [taylor]: Taking taylor expansion of (/ 1 (* (pow x 2) (pow 2.0 2))) in x
1.267 * [taylor]: Taking taylor expansion of (* (pow x 2) (pow 2.0 2)) in x
1.267 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.267 * [taylor]: Taking taylor expansion of x in x
1.267 * [taylor]: Taking taylor expansion of (pow 2.0 2) in x
1.267 * [taylor]: Taking taylor expansion of 2.0 in x
1.268 * [approximate]: Taking taylor expansion of (- (+ (log 2.0) (* 0.25 (/ 1 (pow x 2)))) (+ (* 1/2 (/ 1 (* (pow x 2) (pow 2.0 2)))) (* 0.5 (/ 1 x)))) in (x) around 0
1.268 * [taylor]: Taking taylor expansion of (- (+ (log 2.0) (* 0.25 (/ 1 (pow x 2)))) (+ (* 1/2 (/ 1 (* (pow x 2) (pow 2.0 2)))) (* 0.5 (/ 1 x)))) in x
1.268 * [taylor]: Taking taylor expansion of (+ (log 2.0) (* 0.25 (/ 1 (pow x 2)))) in x
1.268 * [taylor]: Taking taylor expansion of (log 2.0) in x
1.268 * [taylor]: Taking taylor expansion of 2.0 in x
1.268 * [taylor]: Taking taylor expansion of (* 0.25 (/ 1 (pow x 2))) in x
1.268 * [taylor]: Taking taylor expansion of 0.25 in x
1.268 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.268 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.268 * [taylor]: Taking taylor expansion of x in x
1.268 * [taylor]: Taking taylor expansion of (+ (* 1/2 (/ 1 (* (pow x 2) (pow 2.0 2)))) (* 0.5 (/ 1 x))) in x
1.268 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 (* (pow x 2) (pow 2.0 2)))) in x
1.268 * [taylor]: Taking taylor expansion of 1/2 in x
1.268 * [taylor]: Taking taylor expansion of (/ 1 (* (pow x 2) (pow 2.0 2))) in x
1.268 * [taylor]: Taking taylor expansion of (* (pow x 2) (pow 2.0 2)) in x
1.268 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.268 * [taylor]: Taking taylor expansion of x in x
1.268 * [taylor]: Taking taylor expansion of (pow 2.0 2) in x
1.268 * [taylor]: Taking taylor expansion of 2.0 in x
1.268 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
1.268 * [taylor]: Taking taylor expansion of 0.5 in x
1.268 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.268 * [taylor]: Taking taylor expansion of x in x
1.268 * [taylor]: Taking taylor expansion of (- (+ (log 2.0) (* 0.25 (/ 1 (pow x 2)))) (+ (* 1/2 (/ 1 (* (pow x 2) (pow 2.0 2)))) (* 0.5 (/ 1 x)))) in x
1.268 * [taylor]: Taking taylor expansion of (+ (log 2.0) (* 0.25 (/ 1 (pow x 2)))) in x
1.268 * [taylor]: Taking taylor expansion of (log 2.0) in x
1.268 * [taylor]: Taking taylor expansion of 2.0 in x
1.268 * [taylor]: Taking taylor expansion of (* 0.25 (/ 1 (pow x 2))) in x
1.268 * [taylor]: Taking taylor expansion of 0.25 in x
1.268 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.269 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.269 * [taylor]: Taking taylor expansion of x in x
1.269 * [taylor]: Taking taylor expansion of (+ (* 1/2 (/ 1 (* (pow x 2) (pow 2.0 2)))) (* 0.5 (/ 1 x))) in x
1.269 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 (* (pow x 2) (pow 2.0 2)))) in x
1.269 * [taylor]: Taking taylor expansion of 1/2 in x
1.269 * [taylor]: Taking taylor expansion of (/ 1 (* (pow x 2) (pow 2.0 2))) in x
1.269 * [taylor]: Taking taylor expansion of (* (pow x 2) (pow 2.0 2)) in x
1.269 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.269 * [taylor]: Taking taylor expansion of x in x
1.269 * [taylor]: Taking taylor expansion of (pow 2.0 2) in x
1.269 * [taylor]: Taking taylor expansion of 2.0 in x
1.269 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
1.269 * [taylor]: Taking taylor expansion of 0.5 in x
1.269 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.269 * [taylor]: Taking taylor expansion of x in x
1.270 * * * * [progress]: [ 2 / 2 ] generating series at (2 1 1)
1.270 * [approximate]: Taking taylor expansion of (- (+ (log 2.0) (* 0.25 (pow x 2))) (* 1/2 (/ (pow x 2) (pow 2.0 2)))) in (x) around 0
1.270 * [taylor]: Taking taylor expansion of (- (+ (log 2.0) (* 0.25 (pow x 2))) (* 1/2 (/ (pow x 2) (pow 2.0 2)))) in x
1.270 * [taylor]: Taking taylor expansion of (+ (log 2.0) (* 0.25 (pow x 2))) in x
1.270 * [taylor]: Taking taylor expansion of (log 2.0) in x
1.270 * [taylor]: Taking taylor expansion of 2.0 in x
1.270 * [taylor]: Taking taylor expansion of (* 0.25 (pow x 2)) in x
1.270 * [taylor]: Taking taylor expansion of 0.25 in x
1.270 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.270 * [taylor]: Taking taylor expansion of x in x
1.270 * [taylor]: Taking taylor expansion of (* 1/2 (/ (pow x 2) (pow 2.0 2))) in x
1.270 * [taylor]: Taking taylor expansion of 1/2 in x
1.270 * [taylor]: Taking taylor expansion of (/ (pow x 2) (pow 2.0 2)) in x
1.270 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.270 * [taylor]: Taking taylor expansion of x in x
1.270 * [taylor]: Taking taylor expansion of (pow 2.0 2) in x
1.270 * [taylor]: Taking taylor expansion of 2.0 in x
1.270 * [taylor]: Taking taylor expansion of (- (+ (log 2.0) (* 0.25 (pow x 2))) (* 1/2 (/ (pow x 2) (pow 2.0 2)))) in x
1.270 * [taylor]: Taking taylor expansion of (+ (log 2.0) (* 0.25 (pow x 2))) in x
1.270 * [taylor]: Taking taylor expansion of (log 2.0) in x
1.270 * [taylor]: Taking taylor expansion of 2.0 in x
1.270 * [taylor]: Taking taylor expansion of (* 0.25 (pow x 2)) in x
1.270 * [taylor]: Taking taylor expansion of 0.25 in x
1.270 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.270 * [taylor]: Taking taylor expansion of x in x
1.270 * [taylor]: Taking taylor expansion of (* 1/2 (/ (pow x 2) (pow 2.0 2))) in x
1.270 * [taylor]: Taking taylor expansion of 1/2 in x
1.270 * [taylor]: Taking taylor expansion of (/ (pow x 2) (pow 2.0 2)) in x
1.270 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.270 * [taylor]: Taking taylor expansion of x in x
1.270 * [taylor]: Taking taylor expansion of (pow 2.0 2) in x
1.270 * [taylor]: Taking taylor expansion of 2.0 in x
1.281 * [approximate]: Taking taylor expansion of (- (+ (log 2.0) (* 0.25 (/ 1 (pow x 2)))) (* 1/2 (/ 1 (* (pow x 2) (pow 2.0 2))))) in (x) around 0
1.281 * [taylor]: Taking taylor expansion of (- (+ (log 2.0) (* 0.25 (/ 1 (pow x 2)))) (* 1/2 (/ 1 (* (pow x 2) (pow 2.0 2))))) in x
1.281 * [taylor]: Taking taylor expansion of (+ (log 2.0) (* 0.25 (/ 1 (pow x 2)))) in x
1.281 * [taylor]: Taking taylor expansion of (log 2.0) in x
1.281 * [taylor]: Taking taylor expansion of 2.0 in x
1.281 * [taylor]: Taking taylor expansion of (* 0.25 (/ 1 (pow x 2))) in x
1.281 * [taylor]: Taking taylor expansion of 0.25 in x
1.281 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.281 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.281 * [taylor]: Taking taylor expansion of x in x
1.281 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 (* (pow x 2) (pow 2.0 2)))) in x
1.281 * [taylor]: Taking taylor expansion of 1/2 in x
1.281 * [taylor]: Taking taylor expansion of (/ 1 (* (pow x 2) (pow 2.0 2))) in x
1.281 * [taylor]: Taking taylor expansion of (* (pow x 2) (pow 2.0 2)) in x
1.281 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.281 * [taylor]: Taking taylor expansion of x in x
1.281 * [taylor]: Taking taylor expansion of (pow 2.0 2) in x
1.281 * [taylor]: Taking taylor expansion of 2.0 in x
1.281 * [taylor]: Taking taylor expansion of (- (+ (log 2.0) (* 0.25 (/ 1 (pow x 2)))) (* 1/2 (/ 1 (* (pow x 2) (pow 2.0 2))))) in x
1.281 * [taylor]: Taking taylor expansion of (+ (log 2.0) (* 0.25 (/ 1 (pow x 2)))) in x
1.281 * [taylor]: Taking taylor expansion of (log 2.0) in x
1.281 * [taylor]: Taking taylor expansion of 2.0 in x
1.281 * [taylor]: Taking taylor expansion of (* 0.25 (/ 1 (pow x 2))) in x
1.281 * [taylor]: Taking taylor expansion of 0.25 in x
1.281 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.281 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.281 * [taylor]: Taking taylor expansion of x in x
1.281 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 (* (pow x 2) (pow 2.0 2)))) in x
1.281 * [taylor]: Taking taylor expansion of 1/2 in x
1.281 * [taylor]: Taking taylor expansion of (/ 1 (* (pow x 2) (pow 2.0 2))) in x
1.281 * [taylor]: Taking taylor expansion of (* (pow x 2) (pow 2.0 2)) in x
1.281 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.281 * [taylor]: Taking taylor expansion of x in x
1.281 * [taylor]: Taking taylor expansion of (pow 2.0 2) in x
1.281 * [taylor]: Taking taylor expansion of 2.0 in x
1.290 * [approximate]: Taking taylor expansion of (- (+ (log 2.0) (* 0.25 (/ 1 (pow x 2)))) (* 1/2 (/ 1 (* (pow x 2) (pow 2.0 2))))) in (x) around 0
1.291 * [taylor]: Taking taylor expansion of (- (+ (log 2.0) (* 0.25 (/ 1 (pow x 2)))) (* 1/2 (/ 1 (* (pow x 2) (pow 2.0 2))))) in x
1.291 * [taylor]: Taking taylor expansion of (+ (log 2.0) (* 0.25 (/ 1 (pow x 2)))) in x
1.291 * [taylor]: Taking taylor expansion of (log 2.0) in x
1.291 * [taylor]: Taking taylor expansion of 2.0 in x
1.291 * [taylor]: Taking taylor expansion of (* 0.25 (/ 1 (pow x 2))) in x
1.291 * [taylor]: Taking taylor expansion of 0.25 in x
1.291 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.291 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.291 * [taylor]: Taking taylor expansion of x in x
1.291 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 (* (pow x 2) (pow 2.0 2)))) in x
1.291 * [taylor]: Taking taylor expansion of 1/2 in x
1.291 * [taylor]: Taking taylor expansion of (/ 1 (* (pow x 2) (pow 2.0 2))) in x
1.291 * [taylor]: Taking taylor expansion of (* (pow x 2) (pow 2.0 2)) in x
1.291 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.291 * [taylor]: Taking taylor expansion of x in x
1.291 * [taylor]: Taking taylor expansion of (pow 2.0 2) in x
1.291 * [taylor]: Taking taylor expansion of 2.0 in x
1.291 * [taylor]: Taking taylor expansion of (- (+ (log 2.0) (* 0.25 (/ 1 (pow x 2)))) (* 1/2 (/ 1 (* (pow x 2) (pow 2.0 2))))) in x
1.291 * [taylor]: Taking taylor expansion of (+ (log 2.0) (* 0.25 (/ 1 (pow x 2)))) in x
1.291 * [taylor]: Taking taylor expansion of (log 2.0) in x
1.291 * [taylor]: Taking taylor expansion of 2.0 in x
1.291 * [taylor]: Taking taylor expansion of (* 0.25 (/ 1 (pow x 2))) in x
1.291 * [taylor]: Taking taylor expansion of 0.25 in x
1.291 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.291 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.291 * [taylor]: Taking taylor expansion of x in x
1.291 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 (* (pow x 2) (pow 2.0 2)))) in x
1.291 * [taylor]: Taking taylor expansion of 1/2 in x
1.291 * [taylor]: Taking taylor expansion of (/ 1 (* (pow x 2) (pow 2.0 2))) in x
1.291 * [taylor]: Taking taylor expansion of (* (pow x 2) (pow 2.0 2)) in x
1.291 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.291 * [taylor]: Taking taylor expansion of x in x
1.291 * [taylor]: Taking taylor expansion of (pow 2.0 2) in x
1.291 * [taylor]: Taking taylor expansion of 2.0 in x
1.298 * * * [progress]: simplifying candidates
1.299 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* (* 2.0 (exp (* (pow x 2) (- 0.25 (/ 1/2 (pow 2.0 2)))))) (exp (* 0.5 x)))
  (* (exp (+ (log 2.0) (* (pow x 2) (- 0.25 (/ 1/2 (pow 2.0 2)))))) (exp (* 0.5 x)))
  (log (+ (+ (log 2.0) (* (pow x 2) (- 0.25 (/ 1/2 (pow 2.0 2))))) (* 0.5 x)))
  (exp (+ (+ (log 2.0) (* (pow x 2) (- 0.25 (/ 1/2 (pow 2.0 2))))) (* 0.5 x)))
  (* (cbrt (+ (+ (log 2.0) (* (pow x 2) (- 0.25 (/ 1/2 (pow 2.0 2))))) (* 0.5 x))) (cbrt (+ (+ (log 2.0) (* (pow x 2) (- 0.25 (/ 1/2 (pow 2.0 2))))) (* 0.5 x))))
  (cbrt (+ (+ (log 2.0) (* (pow x 2) (- 0.25 (/ 1/2 (pow 2.0 2))))) (* 0.5 x)))
  (* (* (+ (+ (log 2.0) (* (pow x 2) (- 0.25 (/ 1/2 (pow 2.0 2))))) (* 0.5 x)) (+ (+ (log 2.0) (* (pow x 2) (- 0.25 (/ 1/2 (pow 2.0 2))))) (* 0.5 x))) (+ (+ (log 2.0) (* (pow x 2) (- 0.25 (/ 1/2 (pow 2.0 2))))) (* 0.5 x)))
  (sqrt (+ (+ (log 2.0) (* (pow x 2) (- 0.25 (/ 1/2 (pow 2.0 2))))) (* 0.5 x)))
  (sqrt (+ (+ (log 2.0) (* (pow x 2) (- 0.25 (/ 1/2 (pow 2.0 2))))) (* 0.5 x)))
  (+ (pow (+ (log 2.0) (* (pow x 2) (- 0.25 (/ 1/2 (pow 2.0 2))))) 3) (pow (* 0.5 x) 3))
  (+ (* (+ (log 2.0) (* (pow x 2) (- 0.25 (/ 1/2 (pow 2.0 2))))) (+ (log 2.0) (* (pow x 2) (- 0.25 (/ 1/2 (pow 2.0 2)))))) (- (* (* 0.5 x) (* 0.5 x)) (* (+ (log 2.0) (* (pow x 2) (- 0.25 (/ 1/2 (pow 2.0 2))))) (* 0.5 x))))
  (- (* (+ (log 2.0) (* (pow x 2) (- 0.25 (/ 1/2 (pow 2.0 2))))) (+ (log 2.0) (* (pow x 2) (- 0.25 (/ 1/2 (pow 2.0 2)))))) (* (* 0.5 x) (* 0.5 x)))
  (- (+ (log 2.0) (* (pow x 2) (- 0.25 (/ 1/2 (pow 2.0 2))))) (* 0.5 x))
  (+ (* (pow x 2) (- 0.25 (/ 1/2 (pow 2.0 2)))) (* 0.5 x))
  (* 2.0 (exp (* (pow x 2) (- 0.25 (/ 1/2 (pow 2.0 2))))))
  (log (+ (log 2.0) (* (pow x 2) (- 0.25 (/ 1/2 (pow 2.0 2))))))
  (exp (+ (log 2.0) (* (pow x 2) (- 0.25 (/ 1/2 (pow 2.0 2))))))
  (* (cbrt (+ (log 2.0) (* (pow x 2) (- 0.25 (/ 1/2 (pow 2.0 2)))))) (cbrt (+ (log 2.0) (* (pow x 2) (- 0.25 (/ 1/2 (pow 2.0 2)))))))
  (cbrt (+ (log 2.0) (* (pow x 2) (- 0.25 (/ 1/2 (pow 2.0 2))))))
  (* (* (+ (log 2.0) (* (pow x 2) (- 0.25 (/ 1/2 (pow 2.0 2))))) (+ (log 2.0) (* (pow x 2) (- 0.25 (/ 1/2 (pow 2.0 2)))))) (+ (log 2.0) (* (pow x 2) (- 0.25 (/ 1/2 (pow 2.0 2))))))
  (sqrt (+ (log 2.0) (* (pow x 2) (- 0.25 (/ 1/2 (pow 2.0 2))))))
  (sqrt (+ (log 2.0) (* (pow x 2) (- 0.25 (/ 1/2 (pow 2.0 2))))))
  (+ (pow (log 2.0) 3) (pow (* (pow x 2) (- 0.25 (/ 1/2 (pow 2.0 2)))) 3))
  (+ (* (log 2.0) (log 2.0)) (- (* (* (pow x 2) (- 0.25 (/ 1/2 (pow 2.0 2)))) (* (pow x 2) (- 0.25 (/ 1/2 (pow 2.0 2))))) (* (log 2.0) (* (pow x 2) (- 0.25 (/ 1/2 (pow 2.0 2)))))))
  (- (* (log 2.0) (log 2.0)) (* (* (pow x 2) (- 0.25 (/ 1/2 (pow 2.0 2)))) (* (pow x 2) (- 0.25 (/ 1/2 (pow 2.0 2))))))
  (- (log 2.0) (* (pow x 2) (- 0.25 (/ 1/2 (pow 2.0 2)))))
  (+ (log 2.0) (* (pow x 2) 0.25))
  (+ (log 2.0) (* (pow x 2) 0.25))
  (+ (log 2.0) (* 0.25 (pow x 2)))
  (+ (log 2.0) (* 0.25 (pow x 2)))
  (+ (log (cbrt 2.0)) (* (pow x 2) (- 0.25 (/ 1/2 (pow 2.0 2)))))
  (+ (log (sqrt 2.0)) (* (pow x 2) (- 0.25 (/ 1/2 (pow 2.0 2)))))
  (+ (log 2.0) (* (pow x 2) (- 0.25 (/ 1/2 (pow 2.0 2)))))
  (+ (log 2.0) (+ (* 0.125 (pow x 2)) (* 0.5 x)))
  (+ (log 2.0) (+ (* 0.125 (pow x 2)) (* 0.5 x)))
  (+ (log 2.0) (+ (* 0.125 (pow x 2)) (* 0.5 x)))
  (+ (log 2.0) (* 0.125 (pow x 2)))
  (+ (log 2.0) (* 0.125 (pow x 2)))
  (+ (log 2.0) (* 0.125 (pow x 2)))
1.303 * * [simplify]: iteration  0 :  199  enodes  (cost  382 )
1.307 * * [simplify]: iteration  1 :  734  enodes  (cost  358 )
1.323 * * [simplify]: iteration  2 :  3732  enodes  (cost  351 )
1.401 * * [simplify]: iteration  3 :  5001  enodes  (cost  351 )
1.404 * [simplify]: Simplified to:
   (* (exp (+ (* (pow x 2) (- 0.25 (/ 1/2 (pow 2.0 2)))) (* 0.5 x))) 2.0)
  (* (exp (+ (* (pow x 2) (- 0.25 (/ 1/2 (pow 2.0 2)))) (* 0.5 x))) 2.0)
  (log (+ (+ (log 2.0) (* (pow x 2) (- 0.25 (/ 1/2 (pow 2.0 2))))) (* 0.5 x)))
  (* (exp (+ (* (pow x 2) (- 0.25 (/ 1/2 (pow 2.0 2)))) (* 0.5 x))) 2.0)
  (* (cbrt (+ (+ (log 2.0) (* (pow x 2) (- 0.25 (/ 1/2 (pow 2.0 2))))) (* 0.5 x))) (cbrt (+ (+ (log 2.0) (* (pow x 2) (- 0.25 (/ 1/2 (pow 2.0 2))))) (* 0.5 x))))
  (cbrt (+ (+ (log 2.0) (* (pow x 2) (- 0.25 (/ 1/2 (pow 2.0 2))))) (* 0.5 x)))
  (pow (+ (+ (log 2.0) (* (pow x 2) (- 0.25 (/ 1/2 (pow 2.0 2))))) (* 0.5 x)) 3)
  (sqrt (+ (+ (log 2.0) (* (pow x 2) (- 0.25 (/ 1/2 (pow 2.0 2))))) (* 0.5 x)))
  (sqrt (+ (+ (log 2.0) (* (pow x 2) (- 0.25 (/ 1/2 (pow 2.0 2))))) (* 0.5 x)))
  (+ (pow (+ (log 2.0) (* (pow x 2) (- 0.25 (/ 1/2 (pow 2.0 2))))) 3) (pow (* 0.5 x) 3))
  (+ (* (+ (log 2.0) (* (pow x 2) (- 0.25 (/ 1/2 (pow 2.0 2))))) (- (+ (log 2.0) (* (pow x 2) (- 0.25 (/ 1/2 (pow 2.0 2))))) (* 0.5 x))) (* (* 0.5 x) (* 0.5 x)))
  (- (* (+ (log 2.0) (* (pow x 2) (- 0.25 (/ 1/2 (pow 2.0 2))))) (+ (log 2.0) (* (pow x 2) (- 0.25 (/ 1/2 (pow 2.0 2)))))) (* (* 0.5 x) (* 0.5 x)))
  (- (+ (log 2.0) (* (pow x 2) (- 0.25 (/ 1/2 (pow 2.0 2))))) (* 0.5 x))
  (* x (+ 0.5 (* x (- 0.25 (/ 1/2 (pow 2.0 2))))))
  (* 2.0 (exp (* (pow x 2) (- 0.25 (/ 1/2 (pow 2.0 2))))))
  (log (+ (log 2.0) (* (pow x 2) (- 0.25 (/ 1/2 (pow 2.0 2))))))
  (* 2.0 (exp (* (pow x 2) (- 0.25 (/ 1/2 (pow 2.0 2))))))
  (* (cbrt (+ (log 2.0) (* (pow x 2) (- 0.25 (/ 1/2 (pow 2.0 2)))))) (cbrt (+ (log 2.0) (* (pow x 2) (- 0.25 (/ 1/2 (pow 2.0 2)))))))
  (cbrt (+ (log 2.0) (* (pow x 2) (- 0.25 (/ 1/2 (pow 2.0 2))))))
  (pow (+ (log 2.0) (* (pow x 2) (- 0.25 (/ 1/2 (pow 2.0 2))))) 3)
  (sqrt (+ (log 2.0) (* (pow x 2) (- 0.25 (/ 1/2 (pow 2.0 2))))))
  (sqrt (+ (log 2.0) (* (pow x 2) (- 0.25 (/ 1/2 (pow 2.0 2))))))
  (+ (pow (log 2.0) 3) (pow (* (pow x 2) (- 0.25 (/ 1/2 (pow 2.0 2)))) 3))
  (+ (* (* (pow x 2) (- 0.25 (/ 1/2 (pow 2.0 2)))) (- (* (pow x 2) (- 0.25 (/ 1/2 (pow 2.0 2)))) (log 2.0))) (* (log 2.0) (log 2.0)))
  (+ (* (neg (pow x 4)) (* (- 0.25 (/ 1/2 (pow 2.0 2))) (- 0.25 (/ 1/2 (pow 2.0 2))))) (* (log 2.0) (log 2.0)))
  (- (log 2.0) (* (pow x 2) (- 0.25 (/ 1/2 (pow 2.0 2)))))
  (+ (log 2.0) (* 0.25 (pow x 2)))
  (+ (log 2.0) (* 0.25 (pow x 2)))
  (+ (log 2.0) (* 0.25 (pow x 2)))
  (+ (log 2.0) (* 0.25 (pow x 2)))
  (+ (log (cbrt 2.0)) (* (pow x 2) (- 0.25 (/ 1/2 (pow 2.0 2)))))
  (+ (log (sqrt 2.0)) (* (pow x 2) (- 0.25 (/ 1/2 (pow 2.0 2)))))
  (+ (log 2.0) (* (pow x 2) (- 0.25 (/ 1/2 (pow 2.0 2)))))
  (+ (log 2.0) (+ (* 0.125 (pow x 2)) (* 0.5 x)))
  (+ (log 2.0) (+ (* 0.125 (pow x 2)) (* 0.5 x)))
  (+ (log 2.0) (+ (* 0.125 (pow x 2)) (* 0.5 x)))
  (+ (log 2.0) (* 0.125 (pow x 2)))
  (+ (log 2.0) (* 0.125 (pow x 2)))
  (+ (log 2.0) (* 0.125 (pow x 2)))
1.404 * * * [progress]: adding candidates to table
1.483 * [progress]: [Phase 3 of 3] Extracting.
1.483 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (- (+ (+ (log 2.0) (* (pow x 2) (- 0.25 (/ 1/2 (pow 2.0 2))))) (* 0.5 x)) (* x y)))> #<alt (λ (x y) (- (log (+ 1.0 (exp x))) (* x y)))>)
1.484 * * * [regime-changes]: Trying 3 branch expressions: ((- (log (+ 1.0 (exp x))) (* x y)) y x)
1.484 * * * * [regimes]: Trying to branch on (- (log (+ 1.0 (exp x))) (* x y)) from (#<alt (λ (x y) (- (+ (+ (log 2.0) (* (pow x 2) (- 0.25 (/ 1/2 (pow 2.0 2))))) (* 0.5 x)) (* x y)))> #<alt (λ (x y) (- (log (+ 1.0 (exp x))) (* x y)))>)
1.529 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (- (+ (+ (log 2.0) (* (pow x 2) (- 0.25 (/ 1/2 (pow 2.0 2))))) (* 0.5 x)) (* x y)))> #<alt (λ (x y) (- (log (+ 1.0 (exp x))) (* x y)))>)
1.565 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (- (+ (+ (log 2.0) (* (pow x 2) (- 0.25 (/ 1/2 (pow 2.0 2))))) (* 0.5 x)) (* x y)))> #<alt (λ (x y) (- (log (+ 1.0 (exp x))) (* x y)))>)
1.603 * * * [regime]: Found split indices: #<option (#s(si 1 255))>
1.603 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (log (+ 1.0 (exp x))) (* x y))
1.604 * * [simplify]: iteration  0 :  10  enodes  (cost  5 )
1.604 * * [simplify]: iteration  1 :  10  enodes  (cost  5 )
1.604 * [simplify]: Simplified to:
   (- (log (+ 1.0 (exp x))) (* x y))
4.036 * [regime-testing]: End program error score: 0.5364921657395553
4.150 * [regime-testing]: Target error score: 0.04486699071713662