14.653 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.079 * * * [progress]: [2/2] Setting up program.
0.082 * [progress]: [Phase 2 of 3] Improving.
0.082 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* 2.0 (- (* x x) (* x y)))
0.085 * * [simplify]: iteration  0 :  20  enodes  (cost  7 )
0.085 * * [simplify]: iteration  1 :  20  enodes  (cost  7 )
0.085 * [simplify]: Simplified to:
   (* 2.0 (* x (- x y)))
0.089 * * [progress]: iteration 1 / 4
0.089 * * * [progress]: picking best candidate
0.091 * * * * [pick]: Picked  #<alt (λ (x y) (* 2.0 (- (* x x) (* x y))))>
0.091 * * * [progress]: localizing error
0.096 * * * [progress]: generating rewritten candidates
0.096 * * * * [progress]: [ 1 / 1 ] rewriting at (2 2)
0.100 * * * [progress]: generating series expansions
0.100 * * * * [progress]: [ 1 / 1 ] generating series at (2 2)
0.100 * [approximate]: Taking taylor expansion of (- (pow x 2) (* x y)) in (x y) around 0
0.100 * [taylor]: Taking taylor expansion of (- (pow x 2) (* x y)) in y
0.100 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.100 * [taylor]: Taking taylor expansion of x in y
0.100 * [taylor]: Taking taylor expansion of (* x y) in y
0.100 * [taylor]: Taking taylor expansion of x in y
0.100 * [taylor]: Taking taylor expansion of y in y
0.100 * [taylor]: Taking taylor expansion of (- (pow x 2) (* x y)) in x
0.100 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.100 * [taylor]: Taking taylor expansion of x in x
0.100 * [taylor]: Taking taylor expansion of (* x y) in x
0.100 * [taylor]: Taking taylor expansion of x in x
0.100 * [taylor]: Taking taylor expansion of y in x
0.100 * [taylor]: Taking taylor expansion of (- (pow x 2) (* x y)) in x
0.100 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.100 * [taylor]: Taking taylor expansion of x in x
0.100 * [taylor]: Taking taylor expansion of (* x y) in x
0.100 * [taylor]: Taking taylor expansion of x in x
0.100 * [taylor]: Taking taylor expansion of y in x
0.100 * [taylor]: Taking taylor expansion of 0 in y
0.100 * [taylor]: Taking taylor expansion of (neg y) in y
0.100 * [taylor]: Taking taylor expansion of y in y
0.100 * [taylor]: Taking taylor expansion of 1 in y
0.101 * [taylor]: Taking taylor expansion of 0 in y
0.101 * [taylor]: Taking taylor expansion of 0 in y
0.101 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (* x y))) in (x y) around 0
0.101 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (* x y))) in y
0.101 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.101 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.101 * [taylor]: Taking taylor expansion of x in y
0.101 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
0.101 * [taylor]: Taking taylor expansion of (* x y) in y
0.101 * [taylor]: Taking taylor expansion of x in y
0.101 * [taylor]: Taking taylor expansion of y in y
0.101 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (* x y))) in x
0.101 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.101 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.101 * [taylor]: Taking taylor expansion of x in x
0.101 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.101 * [taylor]: Taking taylor expansion of (* x y) in x
0.101 * [taylor]: Taking taylor expansion of x in x
0.101 * [taylor]: Taking taylor expansion of y in x
0.101 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (* x y))) in x
0.101 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.101 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.101 * [taylor]: Taking taylor expansion of x in x
0.101 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.102 * [taylor]: Taking taylor expansion of (* x y) in x
0.102 * [taylor]: Taking taylor expansion of x in x
0.102 * [taylor]: Taking taylor expansion of y in x
0.102 * [taylor]: Taking taylor expansion of 1 in y
0.102 * [taylor]: Taking taylor expansion of (neg (/ 1 y)) in y
0.102 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.102 * [taylor]: Taking taylor expansion of y in y
0.102 * [taylor]: Taking taylor expansion of 0 in y
0.102 * [taylor]: Taking taylor expansion of 0 in y
0.103 * [taylor]: Taking taylor expansion of 0 in y
0.103 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (* x y))) in (x y) around 0
0.103 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (* x y))) in y
0.103 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.103 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.103 * [taylor]: Taking taylor expansion of x in y
0.103 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
0.103 * [taylor]: Taking taylor expansion of (* x y) in y
0.103 * [taylor]: Taking taylor expansion of x in y
0.103 * [taylor]: Taking taylor expansion of y in y
0.103 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (* x y))) in x
0.103 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.103 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.103 * [taylor]: Taking taylor expansion of x in x
0.103 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.103 * [taylor]: Taking taylor expansion of (* x y) in x
0.103 * [taylor]: Taking taylor expansion of x in x
0.103 * [taylor]: Taking taylor expansion of y in x
0.103 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (* x y))) in x
0.103 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.103 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.103 * [taylor]: Taking taylor expansion of x in x
0.103 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.103 * [taylor]: Taking taylor expansion of (* x y) in x
0.103 * [taylor]: Taking taylor expansion of x in x
0.103 * [taylor]: Taking taylor expansion of y in x
0.104 * [taylor]: Taking taylor expansion of 1 in y
0.104 * [taylor]: Taking taylor expansion of (neg (/ 1 y)) in y
0.104 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.104 * [taylor]: Taking taylor expansion of y in y
0.104 * [taylor]: Taking taylor expansion of 0 in y
0.104 * [taylor]: Taking taylor expansion of 0 in y
0.104 * [taylor]: Taking taylor expansion of 0 in y
0.105 * * * [progress]: simplifying candidates
0.105 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (exp (* x x)) (exp (* x y)))
  (log (- (* x x) (* x y)))
  (exp (- (* x x) (* x y)))
  (* (cbrt (- (* x x) (* x y))) (cbrt (- (* x x) (* x y))))
  (cbrt (- (* x x) (* x y)))
  (* (* (- (* x x) (* x y)) (- (* x x) (* x y))) (- (* x x) (* x y)))
  (sqrt (- (* x x) (* x y)))
  (sqrt (- (* x x) (* x y)))
  (- (pow (* x x) 3) (pow (* x y) 3))
  (+ (* (* x x) (* x x)) (+ (* (* x y) (* x y)) (* (* x x) (* x y))))
  (neg (* x y))
  (- (* (* x x) (* x x)) (* (* x y) (* x y)))
  (+ (* x x) (* x y))
  (- x y)
  (- (pow x 2) (* x y))
  (- (pow x 2) (* x y))
  (- (pow x 2) (* x y))
0.141 * * [simplify]: iteration  0 :  5002  enodes  (cost  116 )
0.143 * [simplify]: Simplified to:
   (pow (exp x) (- x y))
  (log (* x (- x y)))
  (pow (exp x) (- x y))
  (* (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)))
  (- (pow x 6) (pow (* x y) 3))
  (+ (pow x 4) (* x (* x (* y (+ x y)))))
  (* x (neg y))
  (- (pow x 4) (* x (* x (* y y))))
  (* x (+ x y))
  (- x y)
  (* x (- x y))
  (* x (- x y))
  (* x (- x y))
0.143 * * * [progress]: adding candidates to table
0.159 * [progress]: [Phase 3 of 3] Extracting.
0.162 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* 2.0 (- (* x x) (* x y)))
0.162 * * [simplify]: iteration  0 :  9  enodes  (cost  9 )
0.162 * * [simplify]: iteration  1 :  9  enodes  (cost  9 )
0.162 * [simplify]: Simplified to:
   (* 2.0 (- (* x x) (* x y)))
0.772 * [regime-testing]: End program error score: 0.017377172146518315
0.836 * [regime-testing]: Target error score: 0.009751218902362795