3.724 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.059 * * * [progress]: [2/2] Setting up program.
0.063 * [progress]: [Phase 2 of 3] Improving.
0.063 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (pow x 4.0) (pow y 4.0))
0.087 * * [simplify]: iteration  0 :  5623  enodes  (cost  7 )
0.087 * [simplify]: Simplified to:
   (- (pow x 4.0) (pow y 4.0))
0.088 * * [progress]: iteration 1 / 4
0.088 * * * [progress]: picking best candidate
0.091 * * * * [pick]: Picked  #<alt (λ (x y) (- (pow x 4.0) (pow y 4.0)))>
0.091 * * * [progress]: localizing error
0.097 * * * [progress]: generating rewritten candidates
0.097 * * * * [progress]: [ 1 / 1 ] rewriting at (2 2)
0.099 * * * [progress]: generating series expansions
0.099 * * * * [progress]: [ 1 / 1 ] generating series at (2 2)
0.100 * [approximate]: Taking taylor expansion of (pow y 4.0) in (y) around 0
0.100 * [taylor]: Taking taylor expansion of (pow y 4.0) in y
0.100 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log y))) in y
0.100 * [taylor]: Taking taylor expansion of (* 4.0 (log y)) in y
0.100 * [taylor]: Taking taylor expansion of 4.0 in y
0.100 * [taylor]: Taking taylor expansion of (log y) in y
0.100 * [taylor]: Taking taylor expansion of y in y
0.100 * [taylor]: Taking taylor expansion of (pow y 4.0) in y
0.100 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log y))) in y
0.100 * [taylor]: Taking taylor expansion of (* 4.0 (log y)) in y
0.100 * [taylor]: Taking taylor expansion of 4.0 in y
0.100 * [taylor]: Taking taylor expansion of (log y) in y
0.100 * [taylor]: Taking taylor expansion of y in y
0.108 * [approximate]: Taking taylor expansion of (pow (/ 1 y) 4.0) in (y) around 0
0.108 * [taylor]: Taking taylor expansion of (pow (/ 1 y) 4.0) in y
0.108 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log (/ 1 y)))) in y
0.108 * [taylor]: Taking taylor expansion of (* 4.0 (log (/ 1 y))) in y
0.108 * [taylor]: Taking taylor expansion of 4.0 in y
0.108 * [taylor]: Taking taylor expansion of (log (/ 1 y)) in y
0.108 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.108 * [taylor]: Taking taylor expansion of y in y
0.108 * [taylor]: Taking taylor expansion of (pow (/ 1 y) 4.0) in y
0.108 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log (/ 1 y)))) in y
0.108 * [taylor]: Taking taylor expansion of (* 4.0 (log (/ 1 y))) in y
0.108 * [taylor]: Taking taylor expansion of 4.0 in y
0.108 * [taylor]: Taking taylor expansion of (log (/ 1 y)) in y
0.109 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.109 * [taylor]: Taking taylor expansion of y in y
0.116 * [approximate]: Taking taylor expansion of (pow (/ -1 y) 4.0) in (y) around 0
0.116 * [taylor]: Taking taylor expansion of (pow (/ -1 y) 4.0) in y
0.116 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log (/ -1 y)))) in y
0.116 * [taylor]: Taking taylor expansion of (* 4.0 (log (/ -1 y))) in y
0.116 * [taylor]: Taking taylor expansion of 4.0 in y
0.116 * [taylor]: Taking taylor expansion of (log (/ -1 y)) in y
0.116 * [taylor]: Taking taylor expansion of (/ -1 y) in y
0.116 * [taylor]: Taking taylor expansion of -1 in y
0.116 * [taylor]: Taking taylor expansion of y in y
0.116 * [taylor]: Taking taylor expansion of (pow (/ -1 y) 4.0) in y
0.116 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log (/ -1 y)))) in y
0.116 * [taylor]: Taking taylor expansion of (* 4.0 (log (/ -1 y))) in y
0.116 * [taylor]: Taking taylor expansion of 4.0 in y
0.116 * [taylor]: Taking taylor expansion of (log (/ -1 y)) in y
0.116 * [taylor]: Taking taylor expansion of (/ -1 y) in y
0.116 * [taylor]: Taking taylor expansion of -1 in y
0.116 * [taylor]: Taking taylor expansion of y in y
0.123 * * * [progress]: simplifying candidates
0.124 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* (log y) 4.0)
  (* (log y) 4.0)
  (* 1 4.0)
  (pow y (* (cbrt 4.0) (cbrt 4.0)))
  (pow y (sqrt 4.0))
  (pow y 1)
  (pow (* (cbrt y) (cbrt y)) 4.0)
  (pow (cbrt y) 4.0)
  (pow (sqrt y) 4.0)
  (pow (sqrt y) 4.0)
  (pow 1 4.0)
  (pow y 4.0)
  (log (pow y 4.0))
  (exp (pow y 4.0))
  (* (cbrt (pow y 4.0)) (cbrt (pow y 4.0)))
  (cbrt (pow y 4.0))
  (* (* (pow y 4.0) (pow y 4.0)) (pow y 4.0))
  (sqrt (pow y 4.0))
  (sqrt (pow y 4.0))
  (pow y (/ 4.0 2))
  (pow y (/ 4.0 2))
  (exp (* 4.0 (+ (log y) (log 1))))
  (exp (* 4.0 (- (log 1) (log (/ 1 y)))))
  (exp (* 4.0 (- (log -1) (log (/ -1 y)))))
0.153 * * [simplify]: iteration  0 :  4901  enodes  (cost  95 )
0.154 * * [simplify]: iteration  1 :  4901  enodes  (cost  95 )
0.154 * [simplify]: Simplified to:
   (* (log y) 4.0)
  (* (log y) 4.0)
  4.0
  (pow y (* (cbrt 4.0) (cbrt 4.0)))
  (pow y (sqrt 4.0))
  y
  (pow (* (cbrt y) (cbrt y)) 4.0)
  (pow (cbrt y) 4.0)
  (pow (sqrt y) 4.0)
  (pow (sqrt y) 4.0)
  1
  (pow y 4.0)
  (* (log y) 4.0)
  (exp (pow y 4.0))
  (* (cbrt (pow y 4.0)) (cbrt (pow y 4.0)))
  (cbrt (pow y 4.0))
  (pow (pow y 4.0) 3)
  (pow (sqrt y) 4.0)
  (pow (sqrt y) 4.0)
  (pow (sqrt y) 4.0)
  (pow (sqrt y) 4.0)
  (pow y 4.0)
  (pow y 4.0)
  (pow y 4.0)
0.155 * * * [progress]: adding candidates to table
0.177 * [progress]: [Phase 3 of 3] Extracting.
0.185 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (pow x 4.0) (pow y 4.0))
0.185 * * [simplify]: iteration  0 :  6  enodes  (cost  7 )
0.185 * * [simplify]: iteration  1 :  6  enodes  (cost  7 )
0.185 * [simplify]: Simplified to:
   (- (pow x 4.0) (pow y 4.0))
2.077 * [regime-testing]: End program error score: 0.003363781797175712