20.488 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.014 * * * [progress]: [2/2] Setting up program.
0.016 * [progress]: [Phase 2 of 3] Improving.
0.016 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* 2.0 (- (* x x) (* x y)))
0.018 * * [simplify]: iteration  0 :  14  enodes  (cost  3 )
0.020 * * [simplify]: iteration  1 :  33  enodes  (cost  3 )
0.021 * * [simplify]: iteration  2 :  73  enodes  (cost  3 )
0.023 * * [simplify]: iteration  3 :  112  enodes  (cost  3 )
0.025 * * [simplify]: iteration  4 :  129  enodes  (cost  3 )
0.028 * * [simplify]: iteration  5 :  131  enodes  (cost  3 )
0.030 * * [simplify]: iteration  6 :  131  enodes  (cost  3 )
0.030 * [simplify]: Simplified to:
   (* (* x (- x y)) 2.0)
0.032 * * [progress]: iteration 1 / 4
0.032 * * * [progress]: picking best candidate
0.033 * * * * [pick]: Picked  #<alt (λ (x y) (* (* x (- x y)) 2.0))>
0.033 * * * [progress]: localizing error
0.040 * * * [progress]: generating rewritten candidates
0.040 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.048 * * * [progress]: generating series expansions
0.048 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.048 * [approximate]: Taking taylor expansion of (* 2.0 (* x (- x y))) in (x y) around 0
0.048 * [taylor]: Taking taylor expansion of (* 2.0 (* x (- x y))) in y
0.048 * [taylor]: Taking taylor expansion of 2.0 in y
0.048 * [taylor]: Taking taylor expansion of (* x (- x y)) in y
0.048 * [taylor]: Taking taylor expansion of x in y
0.048 * [taylor]: Taking taylor expansion of (- x y) in y
0.048 * [taylor]: Taking taylor expansion of x in y
0.048 * [taylor]: Taking taylor expansion of y in y
0.048 * [taylor]: Taking taylor expansion of (* 2.0 (* x (- x y))) in x
0.048 * [taylor]: Taking taylor expansion of 2.0 in x
0.048 * [taylor]: Taking taylor expansion of (* x (- x y)) in x
0.048 * [taylor]: Taking taylor expansion of x in x
0.048 * [taylor]: Taking taylor expansion of (- x y) in x
0.048 * [taylor]: Taking taylor expansion of x in x
0.048 * [taylor]: Taking taylor expansion of y in x
0.048 * [taylor]: Taking taylor expansion of (* 2.0 (* x (- x y))) in x
0.048 * [taylor]: Taking taylor expansion of 2.0 in x
0.048 * [taylor]: Taking taylor expansion of (* x (- x y)) in x
0.048 * [taylor]: Taking taylor expansion of x in x
0.048 * [taylor]: Taking taylor expansion of (- x y) in x
0.048 * [taylor]: Taking taylor expansion of x in x
0.048 * [taylor]: Taking taylor expansion of y in x
0.049 * [taylor]: Taking taylor expansion of 0 in y
0.050 * [taylor]: Taking taylor expansion of (- (* 2.0 y)) in y
0.050 * [taylor]: Taking taylor expansion of (* 2.0 y) in y
0.050 * [taylor]: Taking taylor expansion of 2.0 in y
0.050 * [taylor]: Taking taylor expansion of y in y
0.052 * [taylor]: Taking taylor expansion of 2.0 in y
0.055 * [taylor]: Taking taylor expansion of 0 in y
0.058 * [taylor]: Taking taylor expansion of 0 in y
0.059 * [approximate]: Taking taylor expansion of (* 2.0 (/ (- (/ 1 x) (/ 1 y)) x)) in (x y) around 0
0.059 * [taylor]: Taking taylor expansion of (* 2.0 (/ (- (/ 1 x) (/ 1 y)) x)) in y
0.059 * [taylor]: Taking taylor expansion of 2.0 in y
0.059 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) (/ 1 y)) x) in y
0.059 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
0.059 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.059 * [taylor]: Taking taylor expansion of x in y
0.059 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.059 * [taylor]: Taking taylor expansion of y in y
0.059 * [taylor]: Taking taylor expansion of x in y
0.060 * [taylor]: Taking taylor expansion of (* 2.0 (/ (- (/ 1 x) (/ 1 y)) x)) in x
0.060 * [taylor]: Taking taylor expansion of 2.0 in x
0.060 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) (/ 1 y)) x) in x
0.060 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.060 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.060 * [taylor]: Taking taylor expansion of x in x
0.060 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.060 * [taylor]: Taking taylor expansion of y in x
0.060 * [taylor]: Taking taylor expansion of x in x
0.061 * [taylor]: Taking taylor expansion of (* 2.0 (/ (- (/ 1 x) (/ 1 y)) x)) in x
0.061 * [taylor]: Taking taylor expansion of 2.0 in x
0.061 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) (/ 1 y)) x) in x
0.061 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.061 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.061 * [taylor]: Taking taylor expansion of x in x
0.061 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.061 * [taylor]: Taking taylor expansion of y in x
0.061 * [taylor]: Taking taylor expansion of x in x
0.062 * [taylor]: Taking taylor expansion of 2.0 in y
0.063 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 y))) in y
0.063 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in y
0.063 * [taylor]: Taking taylor expansion of 2.0 in y
0.063 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.063 * [taylor]: Taking taylor expansion of y in y
0.067 * [taylor]: Taking taylor expansion of 0 in y
0.071 * [taylor]: Taking taylor expansion of 0 in y
0.075 * [taylor]: Taking taylor expansion of 0 in y
0.076 * [approximate]: Taking taylor expansion of (* -2.0 (/ (- (/ 1 y) (/ 1 x)) x)) in (x y) around 0
0.076 * [taylor]: Taking taylor expansion of (* -2.0 (/ (- (/ 1 y) (/ 1 x)) x)) in y
0.076 * [taylor]: Taking taylor expansion of -2.0 in y
0.076 * [taylor]: Taking taylor expansion of (/ (- (/ 1 y) (/ 1 x)) x) in y
0.076 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
0.076 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.076 * [taylor]: Taking taylor expansion of y in y
0.076 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.076 * [taylor]: Taking taylor expansion of x in y
0.076 * [taylor]: Taking taylor expansion of x in y
0.077 * [taylor]: Taking taylor expansion of (* -2.0 (/ (- (/ 1 y) (/ 1 x)) x)) in x
0.077 * [taylor]: Taking taylor expansion of -2.0 in x
0.077 * [taylor]: Taking taylor expansion of (/ (- (/ 1 y) (/ 1 x)) x) in x
0.077 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.077 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.077 * [taylor]: Taking taylor expansion of y in x
0.077 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.077 * [taylor]: Taking taylor expansion of x in x
0.077 * [taylor]: Taking taylor expansion of x in x
0.078 * [taylor]: Taking taylor expansion of (* -2.0 (/ (- (/ 1 y) (/ 1 x)) x)) in x
0.078 * [taylor]: Taking taylor expansion of -2.0 in x
0.078 * [taylor]: Taking taylor expansion of (/ (- (/ 1 y) (/ 1 x)) x) in x
0.078 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.078 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.078 * [taylor]: Taking taylor expansion of y in x
0.078 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.078 * [taylor]: Taking taylor expansion of x in x
0.078 * [taylor]: Taking taylor expansion of x in x
0.079 * [taylor]: Taking taylor expansion of 2.0 in y
0.080 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 y))) in y
0.080 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in y
0.080 * [taylor]: Taking taylor expansion of 2.0 in y
0.080 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.081 * [taylor]: Taking taylor expansion of y in y
0.084 * [taylor]: Taking taylor expansion of 0 in y
0.088 * [taylor]: Taking taylor expansion of 0 in y
0.092 * [taylor]: Taking taylor expansion of 0 in y
0.093 * * * [progress]: simplifying candidates
0.093 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (expm1 (* (* x (- x y)) 2.0))
  (log1p (* (* x (- x y)) 2.0))
  (* (* 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)))
0.096 * * [simplify]: iteration  0 :  154  enodes  (cost  119 )
0.100 * * [simplify]: iteration  1 :  686  enodes  (cost  96 )
0.117 * * [simplify]: iteration  2 :  4601  enodes  (cost  96 )
0.210 * * [simplify]: iteration  3 :  5001  enodes  (cost  96 )
0.212 * [simplify]: Simplified to:
   (expm1 (* (* x (- x y)) 2.0))
  (log1p (* (* x (- x y)) 2.0))
  (* (* 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)
0.212 * * * [progress]: adding candidates to table
0.239 * * [progress]: iteration 2 / 4
0.239 * * * [progress]: picking best candidate
0.240 * * * * [pick]: Picked  #<alt (λ (x y) (* x (* (- x y) 2.0)))>
0.240 * * * [progress]: localizing error
0.244 * * * [progress]: generating rewritten candidates
0.245 * * * [progress]: generating series expansions
0.245 * * * [progress]: simplifying candidates
0.245 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   
0.247 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
0.247 * [simplify]: Simplified to:
   
0.247 * * * [progress]: adding candidates to table
0.247 * [progress]: [Phase 3 of 3] Extracting.
0.248 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* x (* (- x y) 2.0))
0.249 * * [simplify]: iteration  0 :  8  enodes  (cost  3 )
0.249 * * [simplify]: iteration  1 :  8  enodes  (cost  3 )
0.249 * [simplify]: Simplified to:
   (* x (* (- x y) 2.0))
0.671 * [regime-testing]: End program error score: 0.02725340667583448
0.688 * [regime-testing]: Target error score: 0.011251406425803226