18.509 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.029 * * * [progress]: [2/2] Setting up program.
0.031 * [progress]: [Phase 2 of 3] Improving.
0.031 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* 2.0 (- (* x x) (* x y)))
0.033 * * [simplify]: iteration  0 :  13  enodes  (cost  3 )
0.034 * * [simplify]: iteration  1 :  32  enodes  (cost  3 )
0.036 * * [simplify]: iteration  2 :  66  enodes  (cost  3 )
0.037 * * [simplify]: iteration  3 :  92  enodes  (cost  3 )
0.039 * * [simplify]: iteration  4 :  100  enodes  (cost  3 )
0.041 * * [simplify]: iteration  5 :  100  enodes  (cost  3 )
0.041 * [simplify]: Simplified to:
   (* (* x (- x y)) 2.0)
0.044 * * [progress]: iteration 1 / 4
0.044 * * * [progress]: picking best candidate
0.046 * * * * [pick]: Picked  #<alt (λ (x y) (* (* x (- x y)) 2.0))>
0.046 * * * [progress]: localizing error
0.050 * * * [progress]: generating rewritten candidates
0.050 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.057 * * * [progress]: generating series expansions
0.057 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.057 * [approximate]: Taking taylor expansion of (* 2.0 (* x (- x y))) in (x y) around 0
0.057 * [taylor]: Taking taylor expansion of (* 2.0 (* x (- x y))) in y
0.057 * [taylor]: Taking taylor expansion of 2.0 in y
0.057 * [taylor]: Taking taylor expansion of (* x (- x y)) in y
0.057 * [taylor]: Taking taylor expansion of x in y
0.057 * [taylor]: Taking taylor expansion of (- x y) in y
0.058 * [taylor]: Taking taylor expansion of x in y
0.058 * [taylor]: Taking taylor expansion of y in y
0.058 * [taylor]: Taking taylor expansion of (* 2.0 (* x (- x y))) in x
0.058 * [taylor]: Taking taylor expansion of 2.0 in x
0.058 * [taylor]: Taking taylor expansion of (* x (- x y)) in x
0.058 * [taylor]: Taking taylor expansion of x in x
0.058 * [taylor]: Taking taylor expansion of (- x y) in x
0.058 * [taylor]: Taking taylor expansion of x in x
0.058 * [taylor]: Taking taylor expansion of y in x
0.058 * [taylor]: Taking taylor expansion of (* 2.0 (* x (- x y))) in x
0.058 * [taylor]: Taking taylor expansion of 2.0 in x
0.058 * [taylor]: Taking taylor expansion of (* x (- x y)) in x
0.058 * [taylor]: Taking taylor expansion of x in x
0.058 * [taylor]: Taking taylor expansion of (- x y) in x
0.058 * [taylor]: Taking taylor expansion of x in x
0.058 * [taylor]: Taking taylor expansion of y in x
0.058 * [taylor]: Taking taylor expansion of 0 in y
0.059 * [taylor]: Taking taylor expansion of (- (* 2.0 y)) in y
0.059 * [taylor]: Taking taylor expansion of (* 2.0 y) in y
0.059 * [taylor]: Taking taylor expansion of 2.0 in y
0.059 * [taylor]: Taking taylor expansion of y in y
0.061 * [taylor]: Taking taylor expansion of 2.0 in y
0.065 * [taylor]: Taking taylor expansion of 0 in y
0.068 * [taylor]: Taking taylor expansion of 0 in y
0.068 * [approximate]: Taking taylor expansion of (* 2.0 (/ (- (/ 1 x) (/ 1 y)) x)) in (x y) around 0
0.068 * [taylor]: Taking taylor expansion of (* 2.0 (/ (- (/ 1 x) (/ 1 y)) x)) in y
0.068 * [taylor]: Taking taylor expansion of 2.0 in y
0.068 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) (/ 1 y)) x) in y
0.069 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
0.069 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.069 * [taylor]: Taking taylor expansion of x in y
0.069 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.069 * [taylor]: Taking taylor expansion of y in y
0.069 * [taylor]: Taking taylor expansion of x in y
0.070 * [taylor]: Taking taylor expansion of (* 2.0 (/ (- (/ 1 x) (/ 1 y)) x)) in x
0.070 * [taylor]: Taking taylor expansion of 2.0 in x
0.070 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) (/ 1 y)) x) in x
0.070 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.070 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.070 * [taylor]: Taking taylor expansion of x in x
0.070 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.070 * [taylor]: Taking taylor expansion of y in x
0.070 * [taylor]: Taking taylor expansion of x in x
0.071 * [taylor]: Taking taylor expansion of (* 2.0 (/ (- (/ 1 x) (/ 1 y)) x)) in x
0.071 * [taylor]: Taking taylor expansion of 2.0 in x
0.071 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) (/ 1 y)) x) in x
0.071 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.071 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.071 * [taylor]: Taking taylor expansion of x in x
0.071 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.071 * [taylor]: Taking taylor expansion of y in x
0.071 * [taylor]: Taking taylor expansion of x in x
0.072 * [taylor]: Taking taylor expansion of 2.0 in y
0.073 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 y))) in y
0.073 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in y
0.073 * [taylor]: Taking taylor expansion of 2.0 in y
0.073 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.073 * [taylor]: Taking taylor expansion of y in y
0.080 * [taylor]: Taking taylor expansion of 0 in y
0.084 * [taylor]: Taking taylor expansion of 0 in y
0.088 * [taylor]: Taking taylor expansion of 0 in y
0.089 * [approximate]: Taking taylor expansion of (* -2.0 (/ (- (/ 1 y) (/ 1 x)) x)) in (x y) around 0
0.089 * [taylor]: Taking taylor expansion of (* -2.0 (/ (- (/ 1 y) (/ 1 x)) x)) in y
0.089 * [taylor]: Taking taylor expansion of -2.0 in y
0.089 * [taylor]: Taking taylor expansion of (/ (- (/ 1 y) (/ 1 x)) x) in y
0.089 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
0.089 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.089 * [taylor]: Taking taylor expansion of y in y
0.090 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.090 * [taylor]: Taking taylor expansion of x in y
0.090 * [taylor]: Taking taylor expansion of x in y
0.090 * [taylor]: Taking taylor expansion of (* -2.0 (/ (- (/ 1 y) (/ 1 x)) x)) in x
0.090 * [taylor]: Taking taylor expansion of -2.0 in x
0.090 * [taylor]: Taking taylor expansion of (/ (- (/ 1 y) (/ 1 x)) x) in x
0.090 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.090 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.090 * [taylor]: Taking taylor expansion of y in x
0.090 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.090 * [taylor]: Taking taylor expansion of x in x
0.090 * [taylor]: Taking taylor expansion of x in x
0.091 * [taylor]: Taking taylor expansion of (* -2.0 (/ (- (/ 1 y) (/ 1 x)) x)) in x
0.091 * [taylor]: Taking taylor expansion of -2.0 in x
0.091 * [taylor]: Taking taylor expansion of (/ (- (/ 1 y) (/ 1 x)) x) in x
0.091 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.091 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.091 * [taylor]: Taking taylor expansion of y in x
0.091 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.091 * [taylor]: Taking taylor expansion of x in x
0.091 * [taylor]: Taking taylor expansion of x in x
0.093 * [taylor]: Taking taylor expansion of 2.0 in y
0.094 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 y))) in y
0.094 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in y
0.094 * [taylor]: Taking taylor expansion of 2.0 in y
0.094 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.094 * [taylor]: Taking taylor expansion of y in y
0.097 * [taylor]: Taking taylor expansion of 0 in y
0.101 * [taylor]: Taking taylor expansion of 0 in y
0.106 * [taylor]: Taking taylor expansion of 0 in y
0.107 * * * [progress]: simplifying candidates
0.107 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* (* x (- x y)) 2.0)
  (* (* x (- x y)) 2.0)
  (+ (+ (log x) (log (- x y))) (log 2.0))
  (+ (log (* x (- x y))) (log 2.0))
  (log (* (* x (- x y)) 2.0))
  (exp (* (* x (- x y)) 2.0))
  (* (* (* (* x x) x) (* (* (- x y) (- x y)) (- x y))) (* (* 2.0 2.0) 2.0))
  (* (* (* (* x (- x y)) (* x (- x y))) (* x (- x y))) (* (* 2.0 2.0) 2.0))
  (* (cbrt (* (* x (- x y)) 2.0)) (cbrt (* (* x (- x y)) 2.0)))
  (cbrt (* (* x (- x y)) 2.0))
  (* (* (* (* x (- x y)) 2.0) (* (* x (- x y)) 2.0)) (* (* x (- x y)) 2.0))
  (sqrt (* (* x (- x y)) 2.0))
  (sqrt (* (* x (- x y)) 2.0))
  (* (* x (- x y)) (* (cbrt 2.0) (cbrt 2.0)))
  (* (* x (- x y)) (sqrt 2.0))
  (* (* x (- x y)) 1)
  (* (- x y) 2.0)
  (* (* x (- (pow x 3) (pow y 3))) 2.0)
  (* (* x (- (* x x) (* y y))) 2.0)
  (- (* 2.0 (pow x 2)) (* 2.0 (* x y)))
  (- (* 2.0 (pow x 2)) (* 2.0 (* x y)))
  (- (* 2.0 (pow x 2)) (* 2.0 (* x y)))
0.111 * * [simplify]: iteration  0 :  150  enodes  (cost  111 )
0.115 * * [simplify]: iteration  1 :  675  enodes  (cost  88 )
0.133 * * [simplify]: iteration  2 :  4528  enodes  (cost  88 )
0.226 * * [simplify]: iteration  3 :  5001  enodes  (cost  88 )
0.227 * [simplify]: Simplified to:
   (* (* x (- x y)) 2.0)
  (* (* x (- x y)) 2.0)
  (log (* (* x (- x y)) 2.0))
  (log (* (* x (- x y)) 2.0))
  (log (* (* x (- x y)) 2.0))
  (exp (* (* x (- x y)) 2.0))
  (pow (* (* x (- x y)) 2.0) 3)
  (pow (* (* x (- x y)) 2.0) 3)
  (* (cbrt (* (* x (- x y)) 2.0)) (cbrt (* (* x (- x y)) 2.0)))
  (cbrt (* (* x (- x y)) 2.0))
  (pow (* (* x (- x y)) 2.0) 3)
  (sqrt (* (* x (- x y)) 2.0))
  (sqrt (* (* x (- x y)) 2.0))
  (* (* x (- x y)) (* (cbrt 2.0) (cbrt 2.0)))
  (* (* x (- x y)) (sqrt 2.0))
  (* x (- x y))
  (* (- x y) 2.0)
  (* (* x (- (pow x 3) (pow y 3))) 2.0)
  (* (* x (- (* x x) (* y y))) 2.0)
  (* (* x (- x y)) 2.0)
  (* (* x (- x y)) 2.0)
  (* (* x (- x y)) 2.0)
0.228 * * * [progress]: adding candidates to table
0.249 * * [progress]: iteration 2 / 4
0.250 * * * [progress]: picking best candidate
0.251 * * * * [pick]: Picked  #<alt (λ (x y) (* x (* (- x y) 2.0)))>
0.251 * * * [progress]: localizing error
0.255 * * * [progress]: generating rewritten candidates
0.255 * * * [progress]: generating series expansions
0.255 * * * [progress]: simplifying candidates
0.255 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   
0.257 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
0.257 * [simplify]: Simplified to:
   
0.257 * * * [progress]: adding candidates to table
0.258 * [progress]: [Phase 3 of 3] Extracting.
0.259 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* x (* (- x y) 2.0))
0.259 * * [simplify]: iteration  0 :  8  enodes  (cost  3 )
0.260 * * [simplify]: iteration  1 :  8  enodes  (cost  3 )
0.260 * [simplify]: Simplified to:
   (* x (* (- x y) 2.0))
0.784 * [regime-testing]: End program error score: 0.026628328541067635
0.801 * [regime-testing]: Target error score: 0.01062632829103638