4.204 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.142 * * * [progress]: [2/2] Setting up program.
0.144 * [progress]: [Phase 2 of 3] Improving.
0.144 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- x (* y y))
0.146 * * [simplify]: iteration  0 :  6  enodes  (cost  2 )
0.147 * * [simplify]: iteration  1 :  10  enodes  (cost  2 )
0.148 * * [simplify]: iteration  2 :  10  enodes  (cost  2 )
0.148 * [simplify]: Simplified to:
   (- x (* y y))
0.148 * * [progress]: iteration 1 / 4
0.148 * * * [progress]: picking best candidate
0.150 * * * * [pick]: Picked  #<alt (λ (x y) (- x (* y y)))>
0.150 * * * [progress]: localizing error
0.153 * * * [progress]: generating rewritten candidates
0.153 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.156 * * * [progress]: generating series expansions
0.156 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.156 * [approximate]: Taking taylor expansion of (- x (pow y 2)) in (x y) around 0
0.156 * [taylor]: Taking taylor expansion of (- x (pow y 2)) in y
0.156 * [taylor]: Taking taylor expansion of x in y
0.156 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.156 * [taylor]: Taking taylor expansion of y in y
0.156 * [taylor]: Taking taylor expansion of (- x (pow y 2)) in x
0.156 * [taylor]: Taking taylor expansion of x in x
0.156 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.156 * [taylor]: Taking taylor expansion of y in x
0.156 * [taylor]: Taking taylor expansion of (- x (pow y 2)) in x
0.156 * [taylor]: Taking taylor expansion of x in x
0.156 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.156 * [taylor]: Taking taylor expansion of y in x
0.157 * [taylor]: Taking taylor expansion of (neg (pow y 2)) in y
0.157 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.157 * [taylor]: Taking taylor expansion of y in y
0.157 * [taylor]: Taking taylor expansion of 1 in y
0.157 * [taylor]: Taking taylor expansion of 0 in y
0.157 * [taylor]: Taking taylor expansion of 0 in y
0.157 * [taylor]: Taking taylor expansion of 0 in y
0.157 * [approximate]: Taking taylor expansion of (- (/ 1 x) (/ 1 (pow y 2))) in (x y) around 0
0.157 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 (pow y 2))) in y
0.157 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.157 * [taylor]: Taking taylor expansion of x in y
0.157 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.157 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.157 * [taylor]: Taking taylor expansion of y in y
0.157 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 (pow y 2))) in x
0.157 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.157 * [taylor]: Taking taylor expansion of x in x
0.157 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.157 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.157 * [taylor]: Taking taylor expansion of y in x
0.158 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 (pow y 2))) in x
0.158 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.158 * [taylor]: Taking taylor expansion of x in x
0.158 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.158 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.158 * [taylor]: Taking taylor expansion of y in x
0.158 * [taylor]: Taking taylor expansion of 1 in y
0.158 * [taylor]: Taking taylor expansion of (neg (/ 1 (pow y 2))) in y
0.158 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.158 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.158 * [taylor]: Taking taylor expansion of y in y
0.158 * [taylor]: Taking taylor expansion of 0 in y
0.159 * [taylor]: Taking taylor expansion of 0 in y
0.159 * [taylor]: Taking taylor expansion of 0 in y
0.159 * [taylor]: Taking taylor expansion of 0 in y
0.160 * [approximate]: Taking taylor expansion of (neg (+ (/ 1 (pow y 2)) (/ 1 x))) in (x y) around 0
0.160 * [taylor]: Taking taylor expansion of (neg (+ (/ 1 (pow y 2)) (/ 1 x))) in y
0.160 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow y 2)) (/ 1 x)) in y
0.160 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.160 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.160 * [taylor]: Taking taylor expansion of y in y
0.160 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.160 * [taylor]: Taking taylor expansion of x in y
0.160 * [taylor]: Taking taylor expansion of (neg (+ (/ 1 (pow y 2)) (/ 1 x))) in x
0.160 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow y 2)) (/ 1 x)) in x
0.160 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.160 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.160 * [taylor]: Taking taylor expansion of y in x
0.160 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.160 * [taylor]: Taking taylor expansion of x in x
0.160 * [taylor]: Taking taylor expansion of (neg (+ (/ 1 (pow y 2)) (/ 1 x))) in x
0.160 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow y 2)) (/ 1 x)) in x
0.160 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.160 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.160 * [taylor]: Taking taylor expansion of y in x
0.160 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.160 * [taylor]: Taking taylor expansion of x in x
0.160 * [taylor]: Taking taylor expansion of (neg 1) in y
0.160 * [taylor]: Taking taylor expansion of 1 in y
0.160 * [taylor]: Taking taylor expansion of (neg (/ 1 (pow y 2))) in y
0.161 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.161 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.161 * [taylor]: Taking taylor expansion of y in y
0.161 * [taylor]: Taking taylor expansion of 0 in y
0.161 * [taylor]: Taking taylor expansion of 0 in y
0.162 * [taylor]: Taking taylor expansion of 0 in y
0.162 * [taylor]: Taking taylor expansion of 0 in y
0.162 * * * [progress]: simplifying candidates
0.163 * [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)
  (neg (* y y))
  (- x (pow y 2))
  (- x (pow y 2))
  (- x (pow y 2))
0.165 * * [simplify]: iteration  0 :  76  enodes  (cost  64 )
0.167 * * [simplify]: iteration  1 :  239  enodes  (cost  59 )
0.170 * * [simplify]: iteration  2 :  647  enodes  (cost  58 )
0.184 * * [simplify]: iteration  3 :  2429  enodes  (cost  58 )
0.241 * * [simplify]: iteration  4 :  5002  enodes  (cost  58 )
0.241 * [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 (pow y 2)) 3)
  (sqrt (- x (* y y)))
  (sqrt (- x (* y y)))
  (- (pow x 3) (pow (* y y) 3))
  (+ (* x (+ x (* y y))) (pow y 4))
  (neg (* y y))
  (- (* x x) (* (* y y) (* y y)))
  (+ x (* y y))
  (+ (sqrt x) y)
  (- (sqrt x) y)
  (neg (* y y))
  (- x (pow y 2))
  (- x (pow y 2))
  (- x (pow y 2))
0.242 * * * [progress]: adding candidates to table
0.257 * [progress]: [Phase 3 of 3] Extracting.
0.259 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- x (* y y))
0.260 * * [simplify]: iteration  0 :  4  enodes  (cost  2 )
0.260 * [simplify]: Simplified to:
   (- x (* y y))
0.887 * [regime-testing]: End program error score: 0.004375546943367921