11.134 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.024 * * * [progress]: [2/2] Setting up program.
0.026 * [progress]: [Phase 2 of 3] Improving.
0.027 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+ (- (* 9.0 (pow x 4.0)) (pow y 4.0)) (* 2.0 (* y y)))
0.029 * * [simplify]: iteration  0 :  27  enodes  (cost  7 )
0.030 * * [simplify]: iteration  1 :  55  enodes  (cost  7 )
0.032 * * [simplify]: iteration  2 :  121  enodes  (cost  7 )
0.035 * * [simplify]: iteration  3 :  295  enodes  (cost  7 )
0.042 * * [simplify]: iteration  4 :  876  enodes  (cost  7 )
0.061 * * [simplify]: iteration  5 :  3320  enodes  (cost  7 )
0.131 * * [simplify]: iteration  6 :  5002  enodes  (cost  7 )
0.131 * [simplify]: Simplified to:
   (+ (- (* 9.0 (pow x 4.0)) (pow y 4.0)) (* 2.0 (* y y)))
0.131 * * [progress]: iteration 1 / 4
0.131 * * * [progress]: picking best candidate
0.133 * * * * [pick]: Picked  #<alt (λ (x y) (+ (- (* 9.0 (pow x 4.0)) (pow y 4.0)) (* 2.0 (* y y))))>
0.133 * * * [progress]: localizing error
0.144 * * * [progress]: generating rewritten candidates
0.144 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1)
0.160 * * * [progress]: generating series expansions
0.160 * * * * [progress]: [ 1 / 1 ] generating series at (2 1)
0.161 * [approximate]: Taking taylor expansion of (- (* 9.0 (pow x 4)) (pow y 4)) in (x y) around 0
0.161 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow x 4)) (pow y 4)) in y
0.161 * [taylor]: Taking taylor expansion of (* 9.0 (pow x 4)) in y
0.161 * [taylor]: Taking taylor expansion of 9.0 in y
0.161 * [taylor]: Taking taylor expansion of (pow x 4) in y
0.161 * [taylor]: Taking taylor expansion of x in y
0.161 * [taylor]: Taking taylor expansion of (pow y 4) in y
0.161 * [taylor]: Taking taylor expansion of y in y
0.161 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow x 4)) (pow y 4)) in x
0.161 * [taylor]: Taking taylor expansion of (* 9.0 (pow x 4)) in x
0.161 * [taylor]: Taking taylor expansion of 9.0 in x
0.161 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.161 * [taylor]: Taking taylor expansion of x in x
0.161 * [taylor]: Taking taylor expansion of (pow y 4) in x
0.161 * [taylor]: Taking taylor expansion of y in x
0.161 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow x 4)) (pow y 4)) in x
0.161 * [taylor]: Taking taylor expansion of (* 9.0 (pow x 4)) in x
0.161 * [taylor]: Taking taylor expansion of 9.0 in x
0.161 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.161 * [taylor]: Taking taylor expansion of x in x
0.161 * [taylor]: Taking taylor expansion of (pow y 4) in x
0.161 * [taylor]: Taking taylor expansion of y in x
0.161 * [taylor]: Taking taylor expansion of (- (pow y 4)) in y
0.161 * [taylor]: Taking taylor expansion of (pow y 4) in y
0.161 * [taylor]: Taking taylor expansion of y in y
0.162 * [taylor]: Taking taylor expansion of 0 in y
0.163 * [taylor]: Taking taylor expansion of 0 in y
0.165 * [taylor]: Taking taylor expansion of 0 in y
0.165 * [approximate]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in (x y) around 0
0.165 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in y
0.165 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in y
0.166 * [taylor]: Taking taylor expansion of 9.0 in y
0.166 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in y
0.166 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in y
0.166 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in y
0.166 * [taylor]: Taking taylor expansion of 1.0 in y
0.166 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in y
0.166 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in y
0.166 * [taylor]: Taking taylor expansion of (pow x 4.0) in y
0.166 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in y
0.166 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in y
0.166 * [taylor]: Taking taylor expansion of 4.0 in y
0.166 * [taylor]: Taking taylor expansion of (log x) in y
0.166 * [taylor]: Taking taylor expansion of x in y
0.166 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y
0.166 * [taylor]: Taking taylor expansion of (pow y 4) in y
0.166 * [taylor]: Taking taylor expansion of y in y
0.167 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in x
0.167 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in x
0.167 * [taylor]: Taking taylor expansion of 9.0 in x
0.167 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in x
0.167 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in x
0.167 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in x
0.167 * [taylor]: Taking taylor expansion of 1.0 in x
0.167 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in x
0.167 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in x
0.167 * [taylor]: Taking taylor expansion of (pow x 4.0) in x
0.167 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in x
0.167 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in x
0.167 * [taylor]: Taking taylor expansion of 4.0 in x
0.167 * [taylor]: Taking taylor expansion of (log x) in x
0.167 * [taylor]: Taking taylor expansion of x in x
0.169 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x
0.169 * [taylor]: Taking taylor expansion of (pow y 4) in x
0.169 * [taylor]: Taking taylor expansion of y in x
0.169 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in x
0.169 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in x
0.169 * [taylor]: Taking taylor expansion of 9.0 in x
0.169 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in x
0.169 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in x
0.169 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in x
0.169 * [taylor]: Taking taylor expansion of 1.0 in x
0.169 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in x
0.169 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in x
0.169 * [taylor]: Taking taylor expansion of (pow x 4.0) in x
0.169 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in x
0.169 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in x
0.169 * [taylor]: Taking taylor expansion of 4.0 in x
0.169 * [taylor]: Taking taylor expansion of (log x) in x
0.169 * [taylor]: Taking taylor expansion of x in x
0.170 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x
0.170 * [taylor]: Taking taylor expansion of (pow y 4) in x
0.170 * [taylor]: Taking taylor expansion of y in x
0.171 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in y
0.171 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in y
0.171 * [taylor]: Taking taylor expansion of 9.0 in y
0.171 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in y
0.171 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in y
0.171 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in y
0.171 * [taylor]: Taking taylor expansion of 1.0 in y
0.171 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in y
0.171 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in y
0.171 * [taylor]: Taking taylor expansion of (pow x 4.0) in y
0.171 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in y
0.171 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in y
0.171 * [taylor]: Taking taylor expansion of 4.0 in y
0.171 * [taylor]: Taking taylor expansion of (log x) in y
0.171 * [taylor]: Taking taylor expansion of x in y
0.172 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y
0.172 * [taylor]: Taking taylor expansion of (pow y 4) in y
0.172 * [taylor]: Taking taylor expansion of y in y
0.184 * [taylor]: Taking taylor expansion of 0 in y
0.194 * [taylor]: Taking taylor expansion of 0 in y
0.208 * [taylor]: Taking taylor expansion of 0 in y
0.228 * [taylor]: Taking taylor expansion of 0 in y
0.255 * [taylor]: Taking taylor expansion of 0 in y
0.305 * [taylor]: Taking taylor expansion of 0 in y
0.371 * [taylor]: Taking taylor expansion of 0 in y
0.372 * [approximate]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in (x y) around 0
0.372 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in y
0.372 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in y
0.372 * [taylor]: Taking taylor expansion of 9.0 in y
0.372 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in y
0.372 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in y
0.372 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in y
0.372 * [taylor]: Taking taylor expansion of 1.0 in y
0.372 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in y
0.372 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in y
0.372 * [taylor]: Taking taylor expansion of (pow x 4.0) in y
0.372 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in y
0.372 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in y
0.372 * [taylor]: Taking taylor expansion of 4.0 in y
0.372 * [taylor]: Taking taylor expansion of (log x) in y
0.372 * [taylor]: Taking taylor expansion of x in y
0.373 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y
0.373 * [taylor]: Taking taylor expansion of (pow y 4) in y
0.373 * [taylor]: Taking taylor expansion of y in y
0.374 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in x
0.374 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in x
0.374 * [taylor]: Taking taylor expansion of 9.0 in x
0.374 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in x
0.374 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in x
0.374 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in x
0.374 * [taylor]: Taking taylor expansion of 1.0 in x
0.374 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in x
0.374 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in x
0.374 * [taylor]: Taking taylor expansion of (pow x 4.0) in x
0.374 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in x
0.374 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in x
0.374 * [taylor]: Taking taylor expansion of 4.0 in x
0.374 * [taylor]: Taking taylor expansion of (log x) in x
0.374 * [taylor]: Taking taylor expansion of x in x
0.375 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x
0.375 * [taylor]: Taking taylor expansion of (pow y 4) in x
0.375 * [taylor]: Taking taylor expansion of y in x
0.375 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in x
0.375 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in x
0.375 * [taylor]: Taking taylor expansion of 9.0 in x
0.375 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in x
0.376 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in x
0.376 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in x
0.376 * [taylor]: Taking taylor expansion of 1.0 in x
0.376 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in x
0.376 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in x
0.376 * [taylor]: Taking taylor expansion of (pow x 4.0) in x
0.376 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in x
0.376 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in x
0.376 * [taylor]: Taking taylor expansion of 4.0 in x
0.376 * [taylor]: Taking taylor expansion of (log x) in x
0.376 * [taylor]: Taking taylor expansion of x in x
0.377 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x
0.377 * [taylor]: Taking taylor expansion of (pow y 4) in x
0.377 * [taylor]: Taking taylor expansion of y in x
0.378 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in y
0.378 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in y
0.378 * [taylor]: Taking taylor expansion of 9.0 in y
0.378 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in y
0.378 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in y
0.378 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in y
0.378 * [taylor]: Taking taylor expansion of 1.0 in y
0.378 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in y
0.378 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in y
0.378 * [taylor]: Taking taylor expansion of (pow x 4.0) in y
0.378 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in y
0.378 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in y
0.378 * [taylor]: Taking taylor expansion of 4.0 in y
0.378 * [taylor]: Taking taylor expansion of (log x) in y
0.378 * [taylor]: Taking taylor expansion of x in y
0.378 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y
0.378 * [taylor]: Taking taylor expansion of (pow y 4) in y
0.378 * [taylor]: Taking taylor expansion of y in y
0.384 * [taylor]: Taking taylor expansion of 0 in y
0.394 * [taylor]: Taking taylor expansion of 0 in y
0.408 * [taylor]: Taking taylor expansion of 0 in y
0.433 * [taylor]: Taking taylor expansion of 0 in y
0.461 * [taylor]: Taking taylor expansion of 0 in y
0.504 * [taylor]: Taking taylor expansion of 0 in y
0.572 * [taylor]: Taking taylor expansion of 0 in y
0.573 * * * [progress]: simplifying candidates
0.573 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (exp (* 9.0 (pow x 4.0))) (exp (pow y 4.0)))
  (log (- (* 9.0 (pow x 4.0)) (pow y 4.0)))
  (exp (- (* 9.0 (pow x 4.0)) (pow y 4.0)))
  (* (cbrt (- (* 9.0 (pow x 4.0)) (pow y 4.0))) (cbrt (- (* 9.0 (pow x 4.0)) (pow y 4.0))))
  (cbrt (- (* 9.0 (pow x 4.0)) (pow y 4.0)))
  (* (* (- (* 9.0 (pow x 4.0)) (pow y 4.0)) (- (* 9.0 (pow x 4.0)) (pow y 4.0))) (- (* 9.0 (pow x 4.0)) (pow y 4.0)))
  (sqrt (- (* 9.0 (pow x 4.0)) (pow y 4.0)))
  (sqrt (- (* 9.0 (pow x 4.0)) (pow y 4.0)))
  (- (pow (* 9.0 (pow x 4.0)) 3) (pow (pow y 4.0) 3))
  (+ (* (* 9.0 (pow x 4.0)) (* 9.0 (pow x 4.0))) (+ (* (pow y 4.0) (pow y 4.0)) (* (* 9.0 (pow x 4.0)) (pow y 4.0))))
  (- (pow y 4.0))
  (- (* (* 9.0 (pow x 4.0)) (* 9.0 (pow x 4.0))) (* (pow y 4.0) (pow y 4.0)))
  (+ (* 9.0 (pow x 4.0)) (pow y 4.0))
  (+ (sqrt (* 9.0 (pow x 4.0))) (pow (sqrt y) 4.0))
  (- (sqrt (* 9.0 (pow x 4.0))) (pow (sqrt y) 4.0))
  (+ (sqrt (* 9.0 (pow x 4.0))) (sqrt (pow y 4.0)))
  (- (sqrt (* 9.0 (pow x 4.0))) (sqrt (pow y 4.0)))
  (+ (sqrt (* 9.0 (pow x 4.0))) (pow y (/ 4.0 2)))
  (- (sqrt (* 9.0 (pow x 4.0))) (pow y (/ 4.0 2)))
  (+ (* (sqrt 9.0) (pow (sqrt x) 4.0)) (pow (sqrt y) 4.0))
  (- (* (sqrt 9.0) (pow (sqrt x) 4.0)) (pow (sqrt y) 4.0))
  (+ (* (sqrt 9.0) (pow (sqrt x) 4.0)) (sqrt (pow y 4.0)))
  (- (* (sqrt 9.0) (pow (sqrt x) 4.0)) (sqrt (pow y 4.0)))
  (+ (* (sqrt 9.0) (pow (sqrt x) 4.0)) (pow y (/ 4.0 2)))
  (- (* (sqrt 9.0) (pow (sqrt x) 4.0)) (pow y (/ 4.0 2)))
  (+ (* (sqrt 9.0) (sqrt (pow x 4.0))) (pow (sqrt y) 4.0))
  (- (* (sqrt 9.0) (sqrt (pow x 4.0))) (pow (sqrt y) 4.0))
  (+ (* (sqrt 9.0) (sqrt (pow x 4.0))) (sqrt (pow y 4.0)))
  (- (* (sqrt 9.0) (sqrt (pow x 4.0))) (sqrt (pow y 4.0)))
  (+ (* (sqrt 9.0) (sqrt (pow x 4.0))) (pow y (/ 4.0 2)))
  (- (* (sqrt 9.0) (sqrt (pow x 4.0))) (pow y (/ 4.0 2)))
  (+ (* (sqrt 9.0) (pow x (/ 4.0 2))) (pow (sqrt y) 4.0))
  (- (* (sqrt 9.0) (pow x (/ 4.0 2))) (pow (sqrt y) 4.0))
  (+ (* (sqrt 9.0) (pow x (/ 4.0 2))) (sqrt (pow y 4.0)))
  (- (* (sqrt 9.0) (pow x (/ 4.0 2))) (sqrt (pow y 4.0)))
  (+ (* (sqrt 9.0) (pow x (/ 4.0 2))) (pow y (/ 4.0 2)))
  (- (* (sqrt 9.0) (pow x (/ 4.0 2))) (pow y (/ 4.0 2)))
  (- (* 9.0 (pow x 4.0)) (pow y 4.0))
  (- (* 9.0 (pow x 4.0)) (pow y 4.0))
  (- (pow y 4.0))
  0
  (- (* 9.0 (pow x 4)) (pow y 4))
  (- (* 9.0 (* (pow (/ 1 (pow -1 4.0)) 1.0) (pow x 4))) (pow y 4))
0.577 * * [simplify]: iteration  0 :  184  enodes  (cost  272 )
0.581 * * [simplify]: iteration  1 :  483  enodes  (cost  262 )
0.591 * * [simplify]: iteration  2 :  1860  enodes  (cost  260 )
0.636 * * [simplify]: iteration  3 :  5001  enodes  (cost  260 )
0.638 * [simplify]: Simplified to:
   (exp (- (* 9.0 (pow x 4.0)) (pow y 4.0)))
  (log (- (* 9.0 (pow x 4.0)) (pow y 4.0)))
  (exp (- (* 9.0 (pow x 4.0)) (pow y 4.0)))
  (* (cbrt (- (* 9.0 (pow x 4.0)) (pow y 4.0))) (cbrt (- (* 9.0 (pow x 4.0)) (pow y 4.0))))
  (cbrt (- (* 9.0 (pow x 4.0)) (pow y 4.0)))
  (pow (- (* 9.0 (pow x 4.0)) (pow y 4.0)) 3)
  (sqrt (- (* 9.0 (pow x 4.0)) (pow y 4.0)))
  (sqrt (- (* 9.0 (pow x 4.0)) (pow y 4.0)))
  (- (pow (* 9.0 (pow x 4.0)) 3) (pow (pow y 4.0) 3))
  (+ (* (* 9.0 (pow x 4.0)) (+ (* 9.0 (pow x 4.0)) (pow y 4.0))) (pow y (* 2 4.0)))
  (- (pow y 4.0))
  (+ (- (pow y (* 2 4.0))) (* 9.0 (* 9.0 (pow x (* 2 4.0)))))
  (+ (* 9.0 (pow x 4.0)) (pow y 4.0))
  (+ (sqrt (* 9.0 (pow x 4.0))) (pow (sqrt y) 4.0))
  (- (sqrt (* 9.0 (pow x 4.0))) (pow (sqrt y) 4.0))
  (+ (sqrt (* 9.0 (pow x 4.0))) (sqrt (pow y 4.0)))
  (- (sqrt (* 9.0 (pow x 4.0))) (sqrt (pow y 4.0)))
  (+ (sqrt (* 9.0 (pow x 4.0))) (pow y (/ 4.0 2)))
  (- (sqrt (* 9.0 (pow x 4.0))) (pow y (/ 4.0 2)))
  (+ (* (sqrt 9.0) (pow (sqrt x) 4.0)) (pow (sqrt y) 4.0))
  (- (* (sqrt 9.0) (pow (sqrt x) 4.0)) (pow (sqrt y) 4.0))
  (+ (* (sqrt 9.0) (pow (sqrt x) 4.0)) (sqrt (pow y 4.0)))
  (- (* (sqrt 9.0) (pow (sqrt x) 4.0)) (sqrt (pow y 4.0)))
  (+ (* (sqrt 9.0) (pow (sqrt x) 4.0)) (pow y (/ 4.0 2)))
  (- (* (sqrt 9.0) (pow (sqrt x) 4.0)) (pow y (/ 4.0 2)))
  (+ (* (sqrt 9.0) (sqrt (pow x 4.0))) (pow (sqrt y) 4.0))
  (- (* (sqrt 9.0) (sqrt (pow x 4.0))) (pow (sqrt y) 4.0))
  (+ (* (sqrt 9.0) (sqrt (pow x 4.0))) (sqrt (pow y 4.0)))
  (- (* (sqrt 9.0) (sqrt (pow x 4.0))) (sqrt (pow y 4.0)))
  (+ (* (sqrt 9.0) (sqrt (pow x 4.0))) (pow y (/ 4.0 2)))
  (- (* (sqrt 9.0) (sqrt (pow x 4.0))) (pow y (/ 4.0 2)))
  (+ (* (sqrt 9.0) (pow x (/ 4.0 2))) (pow (sqrt y) 4.0))
  (- (* (sqrt 9.0) (pow x (/ 4.0 2))) (pow (sqrt y) 4.0))
  (+ (* (sqrt 9.0) (pow x (/ 4.0 2))) (sqrt (pow y 4.0)))
  (- (* (sqrt 9.0) (pow x (/ 4.0 2))) (sqrt (pow y 4.0)))
  (+ (* (sqrt 9.0) (pow x (/ 4.0 2))) (pow y (/ 4.0 2)))
  (- (* (sqrt 9.0) (pow x (/ 4.0 2))) (pow y (/ 4.0 2)))
  (- (* 9.0 (pow x 4.0)) (pow y 4.0))
  (- (* 9.0 (pow x 4.0)) (pow y 4.0))
  (- (pow y 4.0))
  0
  (- (* 9.0 (pow x 4)) (pow y 4))
  (- (* 9.0 (* (pow (/ 1 (pow -1 4.0)) 1.0) (pow x 4))) (pow y 4))
0.638 * * * [progress]: adding candidates to table
0.717 * * [progress]: iteration 2 / 4
0.718 * * * [progress]: picking best candidate
0.720 * * * * [pick]: Picked  #<alt (λ (x y) (+ (* (+ (* (sqrt 9.0) (pow x (/ 4.0 2))) (sqrt (pow y 4.0))) (- (* (sqrt 9.0) (pow x (/ 4.0 2))) (sqrt (pow y 4.0)))) (* 2.0 (* y y))))>
0.721 * * * [progress]: localizing error
0.737 * * * [progress]: generating rewritten candidates
0.737 * * * [progress]: generating series expansions
0.737 * * * [progress]: simplifying candidates
0.737 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   
0.740 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
0.740 * [simplify]: Simplified to:
   
0.740 * * * [progress]: adding candidates to table
0.740 * [progress]: [Phase 3 of 3] Extracting.
0.743 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+ (* (+ (* (sqrt 9.0) (pow x (/ 4.0 2))) (sqrt (pow y 4.0))) (- (* (sqrt 9.0) (pow x (/ 4.0 2))) (sqrt (pow y 4.0)))) (* 2.0 (* y y)))
0.744 * * [simplify]: iteration  0 :  23  enodes  (cost  18 )
0.745 * * [simplify]: iteration  1 :  23  enodes  (cost  18 )
0.745 * [simplify]: Simplified to:
   (+ (* (+ (* (sqrt 9.0) (pow x (/ 4.0 2))) (sqrt (pow y 4.0))) (- (* (sqrt 9.0) (pow x (/ 4.0 2))) (sqrt (pow y 4.0)))) (* 2.0 (* y y)))
1.477 * [regime-testing]: End program error score: 0