2.292 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.064 * * * [progress]: [2/2] Setting up program.
0.066 * [progress]: [Phase 2 of 3] Improving.
0.066 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- x (* y y))
0.071 * * [simplify]: iteration  0 :  89  enodes  (cost  5 )
0.071 * * [simplify]: iteration  1 :  89  enodes  (cost  5 )
0.071 * [simplify]: Simplified to:
   (- x (* y y))
0.074 * * [progress]: iteration 1 / 4
0.074 * * * [progress]: picking best candidate
0.076 * * * * [pick]: Picked  #<alt (λ (x y) (- x (* y y)))>
0.076 * * * [progress]: localizing error
0.079 * * * [progress]: generating rewritten candidates
0.079 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.082 * * * [progress]: generating series expansions
0.082 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.082 * [approximate]: Taking taylor expansion of (- x (pow y 2)) in (x y) around 0
0.082 * [taylor]: Taking taylor expansion of (- x (pow y 2)) in y
0.082 * [taylor]: Taking taylor expansion of x in y
0.082 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.082 * [taylor]: Taking taylor expansion of y in y
0.082 * [taylor]: Taking taylor expansion of (- x (pow y 2)) in x
0.082 * [taylor]: Taking taylor expansion of x in x
0.082 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.082 * [taylor]: Taking taylor expansion of y in x
0.082 * [taylor]: Taking taylor expansion of (- x (pow y 2)) in x
0.082 * [taylor]: Taking taylor expansion of x in x
0.082 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.082 * [taylor]: Taking taylor expansion of y in x
0.082 * [taylor]: Taking taylor expansion of (neg (pow y 2)) in y
0.082 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.083 * [taylor]: Taking taylor expansion of y in y
0.083 * [taylor]: Taking taylor expansion of 1 in y
0.083 * [taylor]: Taking taylor expansion of 0 in y
0.083 * [taylor]: Taking taylor expansion of 0 in y
0.083 * [taylor]: Taking taylor expansion of 0 in y
0.083 * [approximate]: Taking taylor expansion of (- (/ 1 x) (/ 1 (pow y 2))) in (x y) around 0
0.083 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 (pow y 2))) in y
0.083 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.083 * [taylor]: Taking taylor expansion of x in y
0.083 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.083 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.083 * [taylor]: Taking taylor expansion of y in y
0.083 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 (pow y 2))) in x
0.083 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.083 * [taylor]: Taking taylor expansion of x in x
0.083 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.083 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.083 * [taylor]: Taking taylor expansion of y in x
0.084 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 (pow y 2))) in x
0.084 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.084 * [taylor]: Taking taylor expansion of x in x
0.084 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.084 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.084 * [taylor]: Taking taylor expansion of y in x
0.084 * [taylor]: Taking taylor expansion of 1 in y
0.084 * [taylor]: Taking taylor expansion of (neg (/ 1 (pow y 2))) in y
0.084 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.084 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.084 * [taylor]: Taking taylor expansion of y in y
0.084 * [taylor]: Taking taylor expansion of 0 in y
0.085 * [taylor]: Taking taylor expansion of 0 in y
0.085 * [taylor]: Taking taylor expansion of 0 in y
0.086 * [taylor]: Taking taylor expansion of 0 in y
0.086 * [approximate]: Taking taylor expansion of (neg (+ (/ 1 (pow y 2)) (/ 1 x))) in (x y) around 0
0.086 * [taylor]: Taking taylor expansion of (neg (+ (/ 1 (pow y 2)) (/ 1 x))) in y
0.086 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow y 2)) (/ 1 x)) in y
0.086 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.086 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.086 * [taylor]: Taking taylor expansion of y in y
0.086 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.086 * [taylor]: Taking taylor expansion of x in y
0.086 * [taylor]: Taking taylor expansion of (neg (+ (/ 1 (pow y 2)) (/ 1 x))) in x
0.086 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow y 2)) (/ 1 x)) in x
0.086 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.086 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.086 * [taylor]: Taking taylor expansion of y in x
0.086 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.086 * [taylor]: Taking taylor expansion of x in x
0.086 * [taylor]: Taking taylor expansion of (neg (+ (/ 1 (pow y 2)) (/ 1 x))) in x
0.086 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow y 2)) (/ 1 x)) in x
0.086 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.086 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.086 * [taylor]: Taking taylor expansion of y in x
0.087 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.087 * [taylor]: Taking taylor expansion of x in x
0.087 * [taylor]: Taking taylor expansion of (neg 1) in y
0.087 * [taylor]: Taking taylor expansion of 1 in y
0.087 * [taylor]: Taking taylor expansion of (neg (/ 1 (pow y 2))) in y
0.087 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.087 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.087 * [taylor]: Taking taylor expansion of y in y
0.087 * [taylor]: Taking taylor expansion of 0 in y
0.087 * [taylor]: Taking taylor expansion of 0 in y
0.088 * [taylor]: Taking taylor expansion of 0 in y
0.088 * [taylor]: Taking taylor expansion of 0 in y
0.089 * * * [progress]: simplifying candidates
0.089 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (exp x) (exp (* y y)))
  (log (- x (* y y)))
  (exp (- x (* y y)))
  (* (cbrt (- x (* y y))) (cbrt (- x (* y y))))
  (cbrt (- x (* y y)))
  (* (* (- x (* y y)) (- x (* y y))) (- x (* y y)))
  (sqrt (- x (* y y)))
  (sqrt (- x (* y y)))
  (- (pow x 3) (pow (* y y) 3))
  (+ (* x x) (+ (* (* y y) (* y y)) (* x (* y y))))
  (neg (* y y))
  (- (* x x) (* (* y y) (* y y)))
  (+ x (* y y))
  (+ (sqrt x) y)
  (- (sqrt x) y)
  (- x (pow y 2))
  (- x (pow y 2))
  (- x (pow y 2))
0.122 * * [simplify]: iteration  0 :  4939  enodes  (cost  113 )
0.122 * * [simplify]: iteration  1 :  4939  enodes  (cost  113 )
0.123 * [simplify]: Simplified to:
   (exp (- x (* y y)))
  (log (- x (* y y)))
  (exp (- x (* y y)))
  (* (cbrt (- x (* y y))) (cbrt (- x (* y y))))
  (cbrt (- x (* y y)))
  (pow (- x (* y y)) 3)
  (sqrt (- x (* y y)))
  (sqrt (- x (* y y)))
  (- (pow x 3) (pow y 6))
  (+ (pow y 4) (* x (+ x (* y y))))
  (* y (neg y))
  (- (* x x) (pow y 4))
  (+ x (* y y))
  (+ y (sqrt x))
  (- (sqrt x) y)
  (- x (* y y))
  (- x (* y y))
  (- x (* y y))
0.123 * * * [progress]: adding candidates to table
0.143 * [progress]: [Phase 3 of 3] Extracting.
0.145 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- x (* y y))
0.146 * * [simplify]: iteration  0 :  22  enodes  (cost  5 )
0.146 * * [simplify]: iteration  1 :  22  enodes  (cost  5 )
0.146 * [simplify]: Simplified to:
   (- x (* y y))
0.601 * [regime-testing]: End program error score: 0.006125765720715089