14.688 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.062 * * * [progress]: [2/2] Setting up program.
0.065 * [progress]: [Phase 2 of 3] Improving.
0.065 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (- (exp x) (exp (- x))) 2.0)
0.067 * * [simplify]: iteration  0 :  14  enodes  (cost  5 )
0.068 * * [simplify]: iteration  1 :  23  enodes  (cost  5 )
0.070 * * [simplify]: iteration  2 :  31  enodes  (cost  5 )
0.071 * * [simplify]: iteration  3 :  36  enodes  (cost  5 )
0.072 * * [simplify]: iteration  4 :  41  enodes  (cost  5 )
0.074 * * [simplify]: iteration  5 :  65  enodes  (cost  5 )
0.075 * * [simplify]: iteration  6 :  103  enodes  (cost  5 )
0.078 * * [simplify]: iteration  7 :  250  enodes  (cost  5 )
0.086 * * [simplify]: iteration  8 :  1250  enodes  (cost  5 )
0.276 * * [simplify]: iteration  9 :  5001  enodes  (cost  5 )
0.277 * [simplify]: Simplified to:
   (/ (- (exp x) (exp (- x))) 2.0)
0.278 * * [progress]: iteration 1 / 4
0.278 * * * [progress]: picking best candidate
0.279 * * * * [pick]: Picked  #<alt (λ (x) (/ (- (exp x) (exp (- x))) 2.0))>
0.279 * * * [progress]: localizing error
0.286 * * * [progress]: generating rewritten candidates
0.286 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1)
0.288 * * * [progress]: generating series expansions
0.288 * * * * [progress]: [ 1 / 1 ] generating series at (2 1)
0.289 * [approximate]: Taking taylor expansion of (- (exp x) (exp (- x))) in (x) around 0
0.289 * [taylor]: Taking taylor expansion of (- (exp x) (exp (- x))) in x
0.289 * [taylor]: Taking taylor expansion of (exp x) in x
0.289 * [taylor]: Taking taylor expansion of x in x
0.289 * [taylor]: Taking taylor expansion of (exp (- x)) in x
0.289 * [taylor]: Taking taylor expansion of (- x) in x
0.289 * [taylor]: Taking taylor expansion of x in x
0.289 * [taylor]: Taking taylor expansion of (- (exp x) (exp (- x))) in x
0.289 * [taylor]: Taking taylor expansion of (exp x) in x
0.289 * [taylor]: Taking taylor expansion of x in x
0.289 * [taylor]: Taking taylor expansion of (exp (- x)) in x
0.289 * [taylor]: Taking taylor expansion of (- x) in x
0.290 * [taylor]: Taking taylor expansion of x in x
0.314 * [approximate]: Taking taylor expansion of (- (exp (/ 1 x)) (exp (- (/ 1 x)))) in (x) around 0
0.314 * [taylor]: Taking taylor expansion of (- (exp (/ 1 x)) (exp (- (/ 1 x)))) in x
0.314 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.314 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.314 * [taylor]: Taking taylor expansion of x in x
0.314 * [taylor]: Taking taylor expansion of (exp (- (/ 1 x))) in x
0.314 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
0.314 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.314 * [taylor]: Taking taylor expansion of x in x
0.315 * [taylor]: Taking taylor expansion of (- (exp (/ 1 x)) (exp (- (/ 1 x)))) in x
0.315 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.315 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.315 * [taylor]: Taking taylor expansion of x in x
0.315 * [taylor]: Taking taylor expansion of (exp (- (/ 1 x))) in x
0.315 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
0.315 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.315 * [taylor]: Taking taylor expansion of x in x
0.319 * [approximate]: Taking taylor expansion of (- (exp (/ -1 x)) (exp (/ 1 x))) in (x) around 0
0.319 * [taylor]: Taking taylor expansion of (- (exp (/ -1 x)) (exp (/ 1 x))) in x
0.319 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.319 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.319 * [taylor]: Taking taylor expansion of -1 in x
0.319 * [taylor]: Taking taylor expansion of x in x
0.319 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.319 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.319 * [taylor]: Taking taylor expansion of x in x
0.320 * [taylor]: Taking taylor expansion of (- (exp (/ -1 x)) (exp (/ 1 x))) in x
0.320 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.320 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.320 * [taylor]: Taking taylor expansion of -1 in x
0.320 * [taylor]: Taking taylor expansion of x in x
0.320 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.320 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.320 * [taylor]: Taking taylor expansion of x in x
0.323 * * * [progress]: simplifying candidates
0.324 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (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)))
0.326 * * [simplify]: iteration  0 :  79  enodes  (cost  49 )
0.328 * * [simplify]: iteration  1 :  198  enodes  (cost  46 )
0.332 * * [simplify]: iteration  2 :  561  enodes  (cost  45 )
0.345 * * [simplify]: iteration  3 :  2958  enodes  (cost  43 )
0.545 * * [simplify]: iteration  4 :  5002  enodes  (cost  43 )
0.546 * [simplify]: Simplified to:
   (- (pow (exp x) 3) (pow (exp (- x)) 3))
  (+ (+ 1 (exp (+ x x))) (pow (exp x) -2))
  (- (exp (* -1 x)))
  (* (exp x) (- (exp x) (pow (exp x) -3)))
  (+ (exp x) (exp (- x)))
  (- (exp (* -1 x)))
  (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x)))
  (- (exp x) (exp (* -1 x)))
  (- (exp x) (exp (* -1 x)))
0.546 * * * [progress]: adding candidates to table
0.565 * * [progress]: iteration 2 / 4
0.565 * * * [progress]: picking best candidate
0.567 * * * * [pick]: Picked  #<alt (λ (x) (/ (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))) 2.0))>
0.567 * * * [progress]: localizing error
0.578 * * * [progress]: generating rewritten candidates
0.578 * * * * [progress]: [ 1 / 4 ] rewriting at (2 1 1)
0.581 * * * * [progress]: [ 2 / 4 ] rewriting at (2 1 2 1)
0.583 * * * * [progress]: [ 3 / 4 ] rewriting at (2 1)
0.590 * * * * [progress]: [ 4 / 4 ] rewriting at (2 1 2)
0.595 * * * [progress]: generating series expansions
0.596 * * * * [progress]: [ 1 / 4 ] generating series at (2 1 1)
0.596 * [approximate]: Taking taylor expansion of (* 1/3 (pow x 3)) in (x) around 0
0.596 * [taylor]: Taking taylor expansion of (* 1/3 (pow x 3)) in x
0.596 * [taylor]: Taking taylor expansion of 1/3 in x
0.596 * [taylor]: Taking taylor expansion of (pow x 3) in x
0.596 * [taylor]: Taking taylor expansion of x in x
0.596 * [taylor]: Taking taylor expansion of (* 1/3 (pow x 3)) in x
0.596 * [taylor]: Taking taylor expansion of 1/3 in x
0.596 * [taylor]: Taking taylor expansion of (pow x 3) in x
0.596 * [taylor]: Taking taylor expansion of x in x
0.607 * [approximate]: Taking taylor expansion of (/ 1/3 (pow x 3)) in (x) around 0
0.607 * [taylor]: Taking taylor expansion of (/ 1/3 (pow x 3)) in x
0.607 * [taylor]: Taking taylor expansion of 1/3 in x
0.607 * [taylor]: Taking taylor expansion of (pow x 3) in x
0.607 * [taylor]: Taking taylor expansion of x in x
0.608 * [taylor]: Taking taylor expansion of (/ 1/3 (pow x 3)) in x
0.608 * [taylor]: Taking taylor expansion of 1/3 in x
0.608 * [taylor]: Taking taylor expansion of (pow x 3) in x
0.608 * [taylor]: Taking taylor expansion of x in x
0.618 * [approximate]: Taking taylor expansion of (/ -1/3 (pow x 3)) in (x) around 0
0.618 * [taylor]: Taking taylor expansion of (/ -1/3 (pow x 3)) in x
0.618 * [taylor]: Taking taylor expansion of -1/3 in x
0.618 * [taylor]: Taking taylor expansion of (pow x 3) in x
0.618 * [taylor]: Taking taylor expansion of x in x
0.619 * [taylor]: Taking taylor expansion of (/ -1/3 (pow x 3)) in x
0.619 * [taylor]: Taking taylor expansion of -1/3 in x
0.619 * [taylor]: Taking taylor expansion of (pow x 3) in x
0.619 * [taylor]: Taking taylor expansion of x in x
0.632 * * * * [progress]: [ 2 / 4 ] generating series at (2 1 2 1)
0.632 * [approximate]: Taking taylor expansion of (* 1/60 (pow x 5)) in (x) around 0
0.632 * [taylor]: Taking taylor expansion of (* 1/60 (pow x 5)) in x
0.632 * [taylor]: Taking taylor expansion of 1/60 in x
0.632 * [taylor]: Taking taylor expansion of (pow x 5) in x
0.632 * [taylor]: Taking taylor expansion of x in x
0.632 * [taylor]: Taking taylor expansion of (* 1/60 (pow x 5)) in x
0.632 * [taylor]: Taking taylor expansion of 1/60 in x
0.632 * [taylor]: Taking taylor expansion of (pow x 5) in x
0.632 * [taylor]: Taking taylor expansion of x in x
0.647 * [approximate]: Taking taylor expansion of (/ 1/60 (pow x 5)) in (x) around 0
0.647 * [taylor]: Taking taylor expansion of (/ 1/60 (pow x 5)) in x
0.647 * [taylor]: Taking taylor expansion of 1/60 in x
0.647 * [taylor]: Taking taylor expansion of (pow x 5) in x
0.647 * [taylor]: Taking taylor expansion of x in x
0.648 * [taylor]: Taking taylor expansion of (/ 1/60 (pow x 5)) in x
0.648 * [taylor]: Taking taylor expansion of 1/60 in x
0.648 * [taylor]: Taking taylor expansion of (pow x 5) in x
0.648 * [taylor]: Taking taylor expansion of x in x
0.662 * [approximate]: Taking taylor expansion of (/ -1/60 (pow x 5)) in (x) around 0
0.662 * [taylor]: Taking taylor expansion of (/ -1/60 (pow x 5)) in x
0.662 * [taylor]: Taking taylor expansion of -1/60 in x
0.662 * [taylor]: Taking taylor expansion of (pow x 5) in x
0.662 * [taylor]: Taking taylor expansion of x in x
0.663 * [taylor]: Taking taylor expansion of (/ -1/60 (pow x 5)) in x
0.663 * [taylor]: Taking taylor expansion of -1/60 in x
0.663 * [taylor]: Taking taylor expansion of (pow x 5) in x
0.663 * [taylor]: Taking taylor expansion of x in x
0.677 * * * * [progress]: [ 3 / 4 ] generating series at (2 1)
0.678 * [approximate]: Taking taylor expansion of (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))) in (x) around 0
0.678 * [taylor]: Taking taylor expansion of (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))) in x
0.678 * [taylor]: Taking taylor expansion of (* 1/3 (pow x 3)) in x
0.678 * [taylor]: Taking taylor expansion of 1/3 in x
0.678 * [taylor]: Taking taylor expansion of (pow x 3) in x
0.678 * [taylor]: Taking taylor expansion of x in x
0.678 * [taylor]: Taking taylor expansion of (+ (* 1/60 (pow x 5)) (* 2 x)) in x
0.678 * [taylor]: Taking taylor expansion of (* 1/60 (pow x 5)) in x
0.678 * [taylor]: Taking taylor expansion of 1/60 in x
0.678 * [taylor]: Taking taylor expansion of (pow x 5) in x
0.678 * [taylor]: Taking taylor expansion of x in x
0.678 * [taylor]: Taking taylor expansion of (* 2 x) in x
0.678 * [taylor]: Taking taylor expansion of 2 in x
0.678 * [taylor]: Taking taylor expansion of x in x
0.678 * [taylor]: Taking taylor expansion of (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))) in x
0.678 * [taylor]: Taking taylor expansion of (* 1/3 (pow x 3)) in x
0.678 * [taylor]: Taking taylor expansion of 1/3 in x
0.678 * [taylor]: Taking taylor expansion of (pow x 3) in x
0.678 * [taylor]: Taking taylor expansion of x in x
0.678 * [taylor]: Taking taylor expansion of (+ (* 1/60 (pow x 5)) (* 2 x)) in x
0.678 * [taylor]: Taking taylor expansion of (* 1/60 (pow x 5)) in x
0.678 * [taylor]: Taking taylor expansion of 1/60 in x
0.678 * [taylor]: Taking taylor expansion of (pow x 5) in x
0.678 * [taylor]: Taking taylor expansion of x in x
0.678 * [taylor]: Taking taylor expansion of (* 2 x) in x
0.678 * [taylor]: Taking taylor expansion of 2 in x
0.678 * [taylor]: Taking taylor expansion of x in x
0.688 * [approximate]: Taking taylor expansion of (+ (* 2 (/ 1 x)) (+ (* 1/60 (/ 1 (pow x 5))) (* 1/3 (/ 1 (pow x 3))))) in (x) around 0
0.689 * [taylor]: Taking taylor expansion of (+ (* 2 (/ 1 x)) (+ (* 1/60 (/ 1 (pow x 5))) (* 1/3 (/ 1 (pow x 3))))) in x
0.689 * [taylor]: Taking taylor expansion of (* 2 (/ 1 x)) in x
0.689 * [taylor]: Taking taylor expansion of 2 in x
0.689 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.689 * [taylor]: Taking taylor expansion of x in x
0.689 * [taylor]: Taking taylor expansion of (+ (* 1/60 (/ 1 (pow x 5))) (* 1/3 (/ 1 (pow x 3)))) in x
0.689 * [taylor]: Taking taylor expansion of (* 1/60 (/ 1 (pow x 5))) in x
0.689 * [taylor]: Taking taylor expansion of 1/60 in x
0.689 * [taylor]: Taking taylor expansion of (/ 1 (pow x 5)) in x
0.689 * [taylor]: Taking taylor expansion of (pow x 5) in x
0.689 * [taylor]: Taking taylor expansion of x in x
0.690 * [taylor]: Taking taylor expansion of (* 1/3 (/ 1 (pow x 3))) in x
0.690 * [taylor]: Taking taylor expansion of 1/3 in x
0.690 * [taylor]: Taking taylor expansion of (/ 1 (pow x 3)) in x
0.690 * [taylor]: Taking taylor expansion of (pow x 3) in x
0.690 * [taylor]: Taking taylor expansion of x in x
0.691 * [taylor]: Taking taylor expansion of (+ (* 2 (/ 1 x)) (+ (* 1/60 (/ 1 (pow x 5))) (* 1/3 (/ 1 (pow x 3))))) in x
0.691 * [taylor]: Taking taylor expansion of (* 2 (/ 1 x)) in x
0.691 * [taylor]: Taking taylor expansion of 2 in x
0.691 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.691 * [taylor]: Taking taylor expansion of x in x
0.691 * [taylor]: Taking taylor expansion of (+ (* 1/60 (/ 1 (pow x 5))) (* 1/3 (/ 1 (pow x 3)))) in x
0.691 * [taylor]: Taking taylor expansion of (* 1/60 (/ 1 (pow x 5))) in x
0.691 * [taylor]: Taking taylor expansion of 1/60 in x
0.691 * [taylor]: Taking taylor expansion of (/ 1 (pow x 5)) in x
0.691 * [taylor]: Taking taylor expansion of (pow x 5) in x
0.691 * [taylor]: Taking taylor expansion of x in x
0.692 * [taylor]: Taking taylor expansion of (* 1/3 (/ 1 (pow x 3))) in x
0.692 * [taylor]: Taking taylor expansion of 1/3 in x
0.692 * [taylor]: Taking taylor expansion of (/ 1 (pow x 3)) in x
0.692 * [taylor]: Taking taylor expansion of (pow x 3) in x
0.692 * [taylor]: Taking taylor expansion of x in x
0.712 * [approximate]: Taking taylor expansion of (- (+ (* 2 (/ 1 x)) (+ (* 1/60 (/ 1 (pow x 5))) (* 1/3 (/ 1 (pow x 3)))))) in (x) around 0
0.712 * [taylor]: Taking taylor expansion of (- (+ (* 2 (/ 1 x)) (+ (* 1/60 (/ 1 (pow x 5))) (* 1/3 (/ 1 (pow x 3)))))) in x
0.712 * [taylor]: Taking taylor expansion of (+ (* 2 (/ 1 x)) (+ (* 1/60 (/ 1 (pow x 5))) (* 1/3 (/ 1 (pow x 3))))) in x
0.712 * [taylor]: Taking taylor expansion of (* 2 (/ 1 x)) in x
0.712 * [taylor]: Taking taylor expansion of 2 in x
0.712 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.712 * [taylor]: Taking taylor expansion of x in x
0.712 * [taylor]: Taking taylor expansion of (+ (* 1/60 (/ 1 (pow x 5))) (* 1/3 (/ 1 (pow x 3)))) in x
0.712 * [taylor]: Taking taylor expansion of (* 1/60 (/ 1 (pow x 5))) in x
0.712 * [taylor]: Taking taylor expansion of 1/60 in x
0.712 * [taylor]: Taking taylor expansion of (/ 1 (pow x 5)) in x
0.712 * [taylor]: Taking taylor expansion of (pow x 5) in x
0.712 * [taylor]: Taking taylor expansion of x in x
0.713 * [taylor]: Taking taylor expansion of (* 1/3 (/ 1 (pow x 3))) in x
0.713 * [taylor]: Taking taylor expansion of 1/3 in x
0.713 * [taylor]: Taking taylor expansion of (/ 1 (pow x 3)) in x
0.713 * [taylor]: Taking taylor expansion of (pow x 3) in x
0.713 * [taylor]: Taking taylor expansion of x in x
0.714 * [taylor]: Taking taylor expansion of (- (+ (* 2 (/ 1 x)) (+ (* 1/60 (/ 1 (pow x 5))) (* 1/3 (/ 1 (pow x 3)))))) in x
0.714 * [taylor]: Taking taylor expansion of (+ (* 2 (/ 1 x)) (+ (* 1/60 (/ 1 (pow x 5))) (* 1/3 (/ 1 (pow x 3))))) in x
0.714 * [taylor]: Taking taylor expansion of (* 2 (/ 1 x)) in x
0.714 * [taylor]: Taking taylor expansion of 2 in x
0.714 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.714 * [taylor]: Taking taylor expansion of x in x
0.714 * [taylor]: Taking taylor expansion of (+ (* 1/60 (/ 1 (pow x 5))) (* 1/3 (/ 1 (pow x 3)))) in x
0.714 * [taylor]: Taking taylor expansion of (* 1/60 (/ 1 (pow x 5))) in x
0.714 * [taylor]: Taking taylor expansion of 1/60 in x
0.714 * [taylor]: Taking taylor expansion of (/ 1 (pow x 5)) in x
0.714 * [taylor]: Taking taylor expansion of (pow x 5) in x
0.714 * [taylor]: Taking taylor expansion of x in x
0.715 * [taylor]: Taking taylor expansion of (* 1/3 (/ 1 (pow x 3))) in x
0.715 * [taylor]: Taking taylor expansion of 1/3 in x
0.715 * [taylor]: Taking taylor expansion of (/ 1 (pow x 3)) in x
0.715 * [taylor]: Taking taylor expansion of (pow x 3) in x
0.715 * [taylor]: Taking taylor expansion of x in x
0.734 * * * * [progress]: [ 4 / 4 ] generating series at (2 1 2)
0.734 * [approximate]: Taking taylor expansion of (+ (* 2 x) (* 1/60 (pow x 5))) in (x) around 0
0.734 * [taylor]: Taking taylor expansion of (+ (* 2 x) (* 1/60 (pow x 5))) in x
0.734 * [taylor]: Taking taylor expansion of (* 2 x) in x
0.734 * [taylor]: Taking taylor expansion of 2 in x
0.734 * [taylor]: Taking taylor expansion of x in x
0.734 * [taylor]: Taking taylor expansion of (* 1/60 (pow x 5)) in x
0.734 * [taylor]: Taking taylor expansion of 1/60 in x
0.734 * [taylor]: Taking taylor expansion of (pow x 5) in x
0.734 * [taylor]: Taking taylor expansion of x in x
0.734 * [taylor]: Taking taylor expansion of (+ (* 2 x) (* 1/60 (pow x 5))) in x
0.734 * [taylor]: Taking taylor expansion of (* 2 x) in x
0.734 * [taylor]: Taking taylor expansion of 2 in x
0.734 * [taylor]: Taking taylor expansion of x in x
0.734 * [taylor]: Taking taylor expansion of (* 1/60 (pow x 5)) in x
0.734 * [taylor]: Taking taylor expansion of 1/60 in x
0.734 * [taylor]: Taking taylor expansion of (pow x 5) in x
0.734 * [taylor]: Taking taylor expansion of x in x
0.760 * [approximate]: Taking taylor expansion of (+ (* 1/60 (/ 1 (pow x 5))) (* 2 (/ 1 x))) in (x) around 0
0.761 * [taylor]: Taking taylor expansion of (+ (* 1/60 (/ 1 (pow x 5))) (* 2 (/ 1 x))) in x
0.761 * [taylor]: Taking taylor expansion of (* 1/60 (/ 1 (pow x 5))) in x
0.761 * [taylor]: Taking taylor expansion of 1/60 in x
0.761 * [taylor]: Taking taylor expansion of (/ 1 (pow x 5)) in x
0.761 * [taylor]: Taking taylor expansion of (pow x 5) in x
0.761 * [taylor]: Taking taylor expansion of x in x
0.762 * [taylor]: Taking taylor expansion of (* 2 (/ 1 x)) in x
0.762 * [taylor]: Taking taylor expansion of 2 in x
0.762 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.762 * [taylor]: Taking taylor expansion of x in x
0.762 * [taylor]: Taking taylor expansion of (+ (* 1/60 (/ 1 (pow x 5))) (* 2 (/ 1 x))) in x
0.762 * [taylor]: Taking taylor expansion of (* 1/60 (/ 1 (pow x 5))) in x
0.762 * [taylor]: Taking taylor expansion of 1/60 in x
0.762 * [taylor]: Taking taylor expansion of (/ 1 (pow x 5)) in x
0.762 * [taylor]: Taking taylor expansion of (pow x 5) in x
0.762 * [taylor]: Taking taylor expansion of x in x
0.763 * [taylor]: Taking taylor expansion of (* 2 (/ 1 x)) in x
0.763 * [taylor]: Taking taylor expansion of 2 in x
0.763 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.763 * [taylor]: Taking taylor expansion of x in x
0.808 * [approximate]: Taking taylor expansion of (- (+ (* 1/60 (/ 1 (pow x 5))) (* 2 (/ 1 x)))) in (x) around 0
0.808 * [taylor]: Taking taylor expansion of (- (+ (* 1/60 (/ 1 (pow x 5))) (* 2 (/ 1 x)))) in x
0.808 * [taylor]: Taking taylor expansion of (+ (* 1/60 (/ 1 (pow x 5))) (* 2 (/ 1 x))) in x
0.808 * [taylor]: Taking taylor expansion of (* 1/60 (/ 1 (pow x 5))) in x
0.809 * [taylor]: Taking taylor expansion of 1/60 in x
0.809 * [taylor]: Taking taylor expansion of (/ 1 (pow x 5)) in x
0.809 * [taylor]: Taking taylor expansion of (pow x 5) in x
0.809 * [taylor]: Taking taylor expansion of x in x
0.809 * [taylor]: Taking taylor expansion of (* 2 (/ 1 x)) in x
0.809 * [taylor]: Taking taylor expansion of 2 in x
0.810 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.810 * [taylor]: Taking taylor expansion of x in x
0.810 * [taylor]: Taking taylor expansion of (- (+ (* 1/60 (/ 1 (pow x 5))) (* 2 (/ 1 x)))) in x
0.810 * [taylor]: Taking taylor expansion of (+ (* 1/60 (/ 1 (pow x 5))) (* 2 (/ 1 x))) in x
0.810 * [taylor]: Taking taylor expansion of (* 1/60 (/ 1 (pow x 5))) in x
0.810 * [taylor]: Taking taylor expansion of 1/60 in x
0.810 * [taylor]: Taking taylor expansion of (/ 1 (pow x 5)) in x
0.810 * [taylor]: Taking taylor expansion of (pow x 5) in x
0.810 * [taylor]: Taking taylor expansion of x in x
0.811 * [taylor]: Taking taylor expansion of (* 2 (/ 1 x)) in x
0.811 * [taylor]: Taking taylor expansion of 2 in x
0.811 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.811 * [taylor]: Taking taylor expansion of x in x
0.858 * * * [progress]: simplifying candidates
0.858 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* 1/3 (* x x))
  (* 1/3 (pow x (/ 3 2)))
  (* 1/60 (pow x (/ 5 2)))
  (+ (pow (* 1/3 (pow x 3)) 3) (pow (+ (* 1/60 (pow x 5)) (* 2 x)) 3))
  (+ (* (* 1/3 (pow x 3)) (* 1/3 (pow x 3))) (- (* (+ (* 1/60 (pow x 5)) (* 2 x)) (+ (* 1/60 (pow x 5)) (* 2 x))) (* (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x)))))
  (- (* (* 1/3 (pow x 3)) (* 1/3 (pow x 3))) (* (+ (* 1/60 (pow x 5)) (* 2 x)) (+ (* 1/60 (pow x 5)) (* 2 x))))
  (- (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x)))
  (+ (* 1/3 (pow x 3)) (* 1/60 (pow x 5)))
  (+ (* 1/3 (pow x 3)) (* 2 x))
  (+ (pow (* 1/60 (pow x 5)) 3) (pow (* 2 x) 3))
  (+ (* (* 1/60 (pow x 5)) (* 1/60 (pow x 5))) (- (* (* 2 x) (* 2 x)) (* (* 1/60 (pow x 5)) (* 2 x))))
  (- (* (* 1/60 (pow x 5)) (* 1/60 (pow x 5))) (* (* 2 x) (* 2 x)))
  (- (* 1/60 (pow x 5)) (* 2 x))
  (* 1/3 (pow x 3))
  (* 1/3 (pow x 3))
  (* 1/3 (pow x 3))
  (* 1/60 (pow x 5))
  (* 1/60 (pow x 5))
  (* 1/60 (pow x 5))
  (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x)))
  (+ (* 2 x) (+ (* 1/3 (pow x 3)) (* 1/60 (pow x 5))))
  (+ (* 2 x) (+ (* 1/3 (pow x 3)) (* 1/60 (pow x 5))))
  (+ (* 2 x) (* 1/60 (pow x 5)))
  (+ (* 2 x) (* 1/60 (pow x 5)))
  (+ (* 2 x) (* 1/60 (pow x 5)))
0.861 * * [simplify]: iteration  0 :  147  enodes  (cost  137 )
0.865 * * [simplify]: iteration  1 :  530  enodes  (cost  135 )
0.879 * * [simplify]: iteration  2 :  2518  enodes  (cost  134 )
0.973 * * [simplify]: iteration  3 :  5001  enodes  (cost  134 )
0.974 * [simplify]: Simplified to:
   (* 1/3 (* x x))
  (* 1/3 (pow x 3/2))
  (* 1/60 (pow x 5/2))
  (+ (pow (* 1/3 (pow x 3)) 3) (pow (+ (* 1/60 (pow x 5)) (* 2 x)) 3))
  (+ (* (+ (* 1/60 (pow x 5)) (* 2 x)) (- (+ (* 1/60 (pow x 5)) (* 2 x)) (* 1/3 (pow x 3)))) (* 1/9 (* (pow x 3) (pow x 3))))
  (+ (- (* (+ (* 1/60 (pow x 5)) (* 2 x)) (+ (* 1/60 (pow x 5)) (* 2 x)))) (* 1/3 (* 1/3 (pow x 6))))
  (- (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x)))
  (+ (* 1/3 (pow x 3)) (* 1/60 (pow x 5)))
  (+ (* 1/3 (pow x 3)) (* 2 x))
  (+ (pow (* 1/60 (pow x 5)) 3) (pow (* 2 x) 3))
  (+ (* 4 (* x x)) (- (* 1/60 (* 1/60 (pow x 10))) (* x (* (pow x 5) 1/30))))
  (+ (- (* 4 (* x x))) (* 1/60 (* 1/60 (pow x 10))))
  (- (* 1/60 (pow x 5)) (* 2 x))
  (* 1/3 (pow x 3))
  (* 1/3 (pow x 3))
  (* 1/3 (pow x 3))
  (* 1/60 (pow x 5))
  (* 1/60 (pow x 5))
  (* 1/60 (pow x 5))
  (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x)))
  (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x)))
  (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x)))
  (+ (* 1/60 (pow x 5)) (* 2 x))
  (+ (* 1/60 (pow x 5)) (* 2 x))
  (+ (* 1/60 (pow x 5)) (* 2 x))
0.974 * * * [progress]: adding candidates to table
1.016 * [progress]: [Phase 3 of 3] Extracting.
1.016 * * [regime]: Finding splitpoints for: (#<alt (λ (x) (/ (- (exp x) (exp (- x))) 2.0))> #<alt (λ (x) (/ (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))) 2.0))>)
1.016 * * * [regime-changes]: Trying 3 branch expressions: ((- (exp x) (exp (- x))) (/ (- (exp x) (exp (- x))) 2.0) x)
1.017 * * * * [regimes]: Trying to branch on (- (exp x) (exp (- x))) from (#<alt (λ (x) (/ (- (exp x) (exp (- x))) 2.0))> #<alt (λ (x) (/ (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))) 2.0))>)
1.032 * * * * [regimes]: Trying to branch on (/ (- (exp x) (exp (- x))) 2.0) from (#<alt (λ (x) (/ (- (exp x) (exp (- x))) 2.0))> #<alt (λ (x) (/ (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))) 2.0))>)
1.046 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x) (/ (- (exp x) (exp (- x))) 2.0))> #<alt (λ (x) (/ (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))) 2.0))>)
1.056 * * * [regime]: Found split indices: #<option (#s(si 1 255))>
1.056 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))) 2.0)
1.057 * * [simplify]: iteration  0 :  20  enodes  (cost  8 )
1.057 * * [simplify]: iteration  1 :  20  enodes  (cost  8 )
1.057 * [simplify]: Simplified to:
   (/ (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))) 2.0)
3.046 * [regime-testing]: Baseline error score: 0.6100204008666946
3.046 * [regime-testing]: Oracle error score: 0.011942462855514407
3.047 * [regime-testing]: End program error score: 0.6100204008666946