15.460 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.017 * * * [progress]: [2/2] Setting up program.
0.020 * [progress]: [Phase 2 of 3] Improving.
0.020 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* 2.0 (- (* x x) (* x y)))
0.022 * * [simplify]: iteration  0 :  13  enodes  (cost  3 )
0.023 * * [simplify]: iteration  1 :  32  enodes  (cost  3 )
0.024 * * [simplify]: iteration  2 :  66  enodes  (cost  3 )
0.026 * * [simplify]: iteration  3 :  92  enodes  (cost  3 )
0.027 * * [simplify]: iteration  4 :  100  enodes  (cost  3 )
0.029 * * [simplify]: iteration  5 :  100  enodes  (cost  3 )
0.029 * [simplify]: Simplified to:
   (* (* x (- x y)) 2.0)
0.033 * * [progress]: iteration 1 / 4
0.033 * * * [progress]: picking best candidate
0.035 * * * * [pick]: Picked  #<alt (λ (x y) (* (* x (- x y)) 2.0))>
0.035 * * * [progress]: localizing error
0.039 * * * [progress]: generating rewritten candidates
0.039 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1)
0.045 * * * [progress]: generating series expansions
0.045 * * * * [progress]: [ 1 / 1 ] generating series at (2 1)
0.046 * [approximate]: Taking taylor expansion of (* x (- x y)) in (x y) around 0
0.046 * [taylor]: Taking taylor expansion of (* x (- x y)) in y
0.046 * [taylor]: Taking taylor expansion of x in y
0.046 * [taylor]: Taking taylor expansion of (- x y) in y
0.046 * [taylor]: Taking taylor expansion of x in y
0.046 * [taylor]: Taking taylor expansion of y in y
0.046 * [taylor]: Taking taylor expansion of (* x (- x y)) in x
0.046 * [taylor]: Taking taylor expansion of x in x
0.046 * [taylor]: Taking taylor expansion of (- x y) in x
0.046 * [taylor]: Taking taylor expansion of x in x
0.046 * [taylor]: Taking taylor expansion of y in x
0.046 * [taylor]: Taking taylor expansion of (* x (- x y)) in x
0.046 * [taylor]: Taking taylor expansion of x in x
0.046 * [taylor]: Taking taylor expansion of (- x y) in x
0.046 * [taylor]: Taking taylor expansion of x in x
0.046 * [taylor]: Taking taylor expansion of y in x
0.046 * [taylor]: Taking taylor expansion of 0 in y
0.046 * [taylor]: Taking taylor expansion of (neg y) in y
0.046 * [taylor]: Taking taylor expansion of y in y
0.046 * [taylor]: Taking taylor expansion of 1 in y
0.046 * [taylor]: Taking taylor expansion of 0 in y
0.046 * [taylor]: Taking taylor expansion of 0 in y
0.047 * [approximate]: Taking taylor expansion of (/ (- (/ 1 x) (/ 1 y)) x) in (x y) around 0
0.047 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) (/ 1 y)) x) in y
0.047 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
0.047 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.047 * [taylor]: Taking taylor expansion of x in y
0.047 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.047 * [taylor]: Taking taylor expansion of y in y
0.047 * [taylor]: Taking taylor expansion of x in y
0.047 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) (/ 1 y)) x) in x
0.047 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.047 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.047 * [taylor]: Taking taylor expansion of x in x
0.047 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.047 * [taylor]: Taking taylor expansion of y in x
0.047 * [taylor]: Taking taylor expansion of x in x
0.047 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) (/ 1 y)) x) in x
0.047 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.047 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.047 * [taylor]: Taking taylor expansion of x in x
0.047 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.047 * [taylor]: Taking taylor expansion of y in x
0.047 * [taylor]: Taking taylor expansion of x in x
0.047 * [taylor]: Taking taylor expansion of 1 in y
0.047 * [taylor]: Taking taylor expansion of (neg (/ 1 y)) in y
0.047 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.047 * [taylor]: Taking taylor expansion of y in y
0.048 * [taylor]: Taking taylor expansion of 0 in y
0.048 * [taylor]: Taking taylor expansion of 0 in y
0.048 * [taylor]: Taking taylor expansion of 0 in y
0.048 * [approximate]: Taking taylor expansion of (* -1 (/ (- (/ 1 y) (/ 1 x)) x)) in (x y) around 0
0.048 * [taylor]: Taking taylor expansion of (* -1 (/ (- (/ 1 y) (/ 1 x)) x)) in y
0.048 * [taylor]: Taking taylor expansion of -1 in y
0.048 * [taylor]: Taking taylor expansion of (/ (- (/ 1 y) (/ 1 x)) x) in y
0.048 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
0.048 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.048 * [taylor]: Taking taylor expansion of y in y
0.048 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.048 * [taylor]: Taking taylor expansion of x in y
0.049 * [taylor]: Taking taylor expansion of x in y
0.049 * [taylor]: Taking taylor expansion of (* -1 (/ (- (/ 1 y) (/ 1 x)) x)) in x
0.049 * [taylor]: Taking taylor expansion of -1 in x
0.049 * [taylor]: Taking taylor expansion of (/ (- (/ 1 y) (/ 1 x)) x) in x
0.049 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.049 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.049 * [taylor]: Taking taylor expansion of y in x
0.049 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.049 * [taylor]: Taking taylor expansion of x in x
0.049 * [taylor]: Taking taylor expansion of x in x
0.049 * [taylor]: Taking taylor expansion of (* -1 (/ (- (/ 1 y) (/ 1 x)) x)) in x
0.049 * [taylor]: Taking taylor expansion of -1 in x
0.049 * [taylor]: Taking taylor expansion of (/ (- (/ 1 y) (/ 1 x)) x) in x
0.049 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.049 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.049 * [taylor]: Taking taylor expansion of y in x
0.049 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.049 * [taylor]: Taking taylor expansion of x in x
0.049 * [taylor]: Taking taylor expansion of x in x
0.049 * [taylor]: Taking taylor expansion of 1 in y
0.049 * [taylor]: Taking taylor expansion of (neg (/ 1 y)) in y
0.049 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.049 * [taylor]: Taking taylor expansion of y in y
0.049 * [taylor]: Taking taylor expansion of 0 in y
0.050 * [taylor]: Taking taylor expansion of 0 in y
0.050 * [taylor]: Taking taylor expansion of 0 in y
0.050 * * * [progress]: simplifying candidates
0.051 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* x (- x y))
  (+ (log x) (log (- x y)))
  (log (* x (- x y)))
  (exp (* x (- x y)))
  (* (* (* x x) x) (* (* (- x y) (- x y)) (- x y)))
  (* (cbrt (* x (- x y))) (cbrt (* x (- x y))))
  (cbrt (* x (- x y)))
  (* (* (* x (- x y)) (* x (- x y))) (* x (- x y)))
  (sqrt (* x (- x y)))
  (sqrt (* x (- x y)))
  (* (sqrt x) (sqrt (- x y)))
  (* (sqrt x) (sqrt (- x y)))
  (* x x)
  (* x (neg y))
  (* x x)
  (* x (neg y))
  (* x x)
  (* (neg y) x)
  (* x x)
  (* (neg y) x)
  (* x (* (cbrt (- x y)) (cbrt (- x y))))
  (* x (sqrt (- x y)))
  (* x 1)
  (* x (+ (sqrt x) (sqrt y)))
  (* x 1)
  (* (cbrt x) (- x y))
  (* (sqrt x) (- x y))
  (* x (- x y))
  (* x (- (pow x 3) (pow y 3)))
  (* x (- (* x x) (* y y)))
  (- (pow x 2) (* x y))
  (- (pow x 2) (* x y))
  (- (pow x 2) (* x y))
0.053 * * [simplify]: iteration  0 :  111  enodes  (cost  100 )
0.056 * * [simplify]: iteration  1 :  459  enodes  (cost  88 )
0.066 * * [simplify]: iteration  2 :  2260  enodes  (cost  88 )
0.111 * * [simplify]: iteration  3 :  5001  enodes  (cost  88 )
0.112 * [simplify]: Simplified to:
   (* x (- x y))
  (log (* x (- x y)))
  (log (* x (- x y)))
  (exp (* x (- x y)))
  (pow (* x (- x y)) 3)
  (* (cbrt (* x (- x y))) (cbrt (* x (- x y))))
  (cbrt (* x (- x y)))
  (pow (* x (- x y)) 3)
  (sqrt (* x (- x y)))
  (sqrt (* x (- x y)))
  (* (sqrt (- x y)) (pow x 1/2))
  (* (sqrt (- x y)) (pow x 1/2))
  (pow x 2)
  (* x (neg y))
  (pow x 2)
  (* x (neg y))
  (pow x 2)
  (* x (neg y))
  (pow x 2)
  (* x (neg y))
  (* x (* (cbrt (- x y)) (cbrt (- x y))))
  (* x (sqrt (- x y)))
  x
  (* x (+ (sqrt x) (sqrt y)))
  x
  (* (cbrt x) (- x y))
  (* (sqrt x) (- x y))
  (* x (- x y))
  (* x (- (pow x 3) (pow y 3)))
  (* x (- (* x x) (* y y)))
  (* x (- x y))
  (* x (- x y))
  (* x (- x y))
0.112 * * * [progress]: adding candidates to table
0.135 * [progress]: [Phase 3 of 3] Extracting.
0.137 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* (* x (- x y)) 2.0)
0.138 * * [simplify]: iteration  0 :  8  enodes  (cost  3 )
0.138 * * [simplify]: iteration  1 :  8  enodes  (cost  3 )
0.138 * [simplify]: Simplified to:
   (* (* x (- x y)) 2.0)
0.855 * [regime-testing]: End program error score: 0.014626828353544194
0.915 * [regime-testing]: Target error score: 0.008626078259782472