18.518 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.081 * * * [progress]: [2/2] Setting up program.
0.084 * [progress]: [Phase 2 of 3] Improving.
0.084 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* 500.0 (- x y))
0.086 * * [simplify]: iteration  0 :  6  enodes  (cost  5 )
0.086 * * [simplify]: iteration  1 :  6  enodes  (cost  5 )
0.086 * [simplify]: Simplified to:
   (* 500.0 (- x y))
0.087 * * [progress]: iteration 1 / 4
0.087 * * * [progress]: picking best candidate
0.089 * * * * [pick]: Picked  #<alt (λ (x y) (* 500.0 (- x y)))>
0.089 * * * [progress]: localizing error
0.092 * * * [progress]: generating rewritten candidates
0.093 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.099 * * * [progress]: generating series expansions
0.099 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.099 * [approximate]: Taking taylor expansion of (* 500.0 (- x y)) in (x y) around 0
0.099 * [taylor]: Taking taylor expansion of (* 500.0 (- x y)) in y
0.099 * [taylor]: Taking taylor expansion of 500.0 in y
0.099 * [taylor]: Taking taylor expansion of (- x y) in y
0.099 * [taylor]: Taking taylor expansion of x in y
0.099 * [taylor]: Taking taylor expansion of y in y
0.099 * [taylor]: Taking taylor expansion of (* 500.0 (- x y)) in x
0.099 * [taylor]: Taking taylor expansion of 500.0 in x
0.099 * [taylor]: Taking taylor expansion of (- x y) in x
0.099 * [taylor]: Taking taylor expansion of x in x
0.099 * [taylor]: Taking taylor expansion of y in x
0.099 * [taylor]: Taking taylor expansion of (* 500.0 (- x y)) in x
0.099 * [taylor]: Taking taylor expansion of 500.0 in x
0.099 * [taylor]: Taking taylor expansion of (- x y) in x
0.099 * [taylor]: Taking taylor expansion of x in x
0.099 * [taylor]: Taking taylor expansion of y in x
0.099 * [taylor]: Taking taylor expansion of (* -500.0 y) in y
0.099 * [taylor]: Taking taylor expansion of -500.0 in y
0.099 * [taylor]: Taking taylor expansion of y in y
0.100 * [taylor]: Taking taylor expansion of 500.0 in y
0.100 * [taylor]: Taking taylor expansion of 0 in y
0.100 * [taylor]: Taking taylor expansion of 0 in y
0.100 * [approximate]: Taking taylor expansion of (* 500.0 (- (/ 1 x) (/ 1 y))) in (x y) around 0
0.100 * [taylor]: Taking taylor expansion of (* 500.0 (- (/ 1 x) (/ 1 y))) in y
0.100 * [taylor]: Taking taylor expansion of 500.0 in y
0.100 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
0.100 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.100 * [taylor]: Taking taylor expansion of x in y
0.100 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.100 * [taylor]: Taking taylor expansion of y in y
0.100 * [taylor]: Taking taylor expansion of (* 500.0 (- (/ 1 x) (/ 1 y))) in x
0.100 * [taylor]: Taking taylor expansion of 500.0 in x
0.100 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.100 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.100 * [taylor]: Taking taylor expansion of x in x
0.100 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.100 * [taylor]: Taking taylor expansion of y in x
0.100 * [taylor]: Taking taylor expansion of (* 500.0 (- (/ 1 x) (/ 1 y))) in x
0.100 * [taylor]: Taking taylor expansion of 500.0 in x
0.100 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.100 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.100 * [taylor]: Taking taylor expansion of x in x
0.100 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.100 * [taylor]: Taking taylor expansion of y in x
0.100 * [taylor]: Taking taylor expansion of 500.0 in y
0.101 * [taylor]: Taking taylor expansion of (neg (* 500.0 (/ 1 y))) in y
0.101 * [taylor]: Taking taylor expansion of (* 500.0 (/ 1 y)) in y
0.101 * [taylor]: Taking taylor expansion of 500.0 in y
0.101 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.101 * [taylor]: Taking taylor expansion of y in y
0.101 * [taylor]: Taking taylor expansion of 0 in y
0.101 * [taylor]: Taking taylor expansion of 0 in y
0.101 * [taylor]: Taking taylor expansion of 0 in y
0.102 * [approximate]: Taking taylor expansion of (* 500.0 (- (/ 1 y) (/ 1 x))) in (x y) around 0
0.102 * [taylor]: Taking taylor expansion of (* 500.0 (- (/ 1 y) (/ 1 x))) in y
0.102 * [taylor]: Taking taylor expansion of 500.0 in y
0.102 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) 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 (/ 1 x) in y
0.102 * [taylor]: Taking taylor expansion of x in y
0.102 * [taylor]: Taking taylor expansion of (* 500.0 (- (/ 1 y) (/ 1 x))) in x
0.102 * [taylor]: Taking taylor expansion of 500.0 in x
0.102 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.102 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.102 * [taylor]: Taking taylor expansion of y in x
0.102 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.102 * [taylor]: Taking taylor expansion of x in x
0.102 * [taylor]: Taking taylor expansion of (* 500.0 (- (/ 1 y) (/ 1 x))) in x
0.102 * [taylor]: Taking taylor expansion of 500.0 in x
0.102 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.102 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.102 * [taylor]: Taking taylor expansion of y in x
0.102 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.102 * [taylor]: Taking taylor expansion of x in x
0.102 * [taylor]: Taking taylor expansion of -500.0 in y
0.102 * [taylor]: Taking taylor expansion of (* 500.0 (/ 1 y)) in y
0.102 * [taylor]: Taking taylor expansion of 500.0 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
0.103 * [taylor]: Taking taylor expansion of 0 in y
0.103 * [taylor]: Taking taylor expansion of 0 in y
0.103 * * * [progress]: simplifying candidates
0.103 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* 500.0 (- x y))
  (+ (log 500.0) (log (- x y)))
  (log (* 500.0 (- x y)))
  (exp (* 500.0 (- x y)))
  (* (* (* 500.0 500.0) 500.0) (* (* (- x y) (- x y)) (- x y)))
  (* (cbrt (* 500.0 (- x y))) (cbrt (* 500.0 (- x y))))
  (cbrt (* 500.0 (- x y)))
  (* (* (* 500.0 (- x y)) (* 500.0 (- x y))) (* 500.0 (- x y)))
  (sqrt (* 500.0 (- x y)))
  (sqrt (* 500.0 (- x y)))
  (* (sqrt 500.0) (sqrt (- x y)))
  (* (sqrt 500.0) (sqrt (- x y)))
  (* 500.0 x)
  (* 500.0 (neg y))
  (* x 500.0)
  (* (neg y) 500.0)
  (* 500.0 (* (cbrt (- x y)) (cbrt (- x y))))
  (* 500.0 (sqrt (- x y)))
  (* 500.0 1)
  (* 500.0 (+ (sqrt x) (sqrt y)))
  (* 500.0 1)
  (* (cbrt 500.0) (- x y))
  (* (sqrt 500.0) (- x y))
  (* 500.0 (- x y))
  (* 500.0 (- (pow x 3) (pow y 3)))
  (* 500.0 (- (* x x) (* y y)))
  (- (* 500.0 x) (* 500.0 y))
  (- (* 500.0 x) (* 500.0 y))
  (- (* 500.0 x) (* 500.0 y))
0.129 * * [simplify]: iteration  0 :  5155  enodes  (cost  172 )
0.131 * [simplify]: Simplified to:
   (* 500.0 (- x y))
  (log (* 500.0 (- x y)))
  (log (* 500.0 (- x y)))
  (pow (exp 500.0) (- x y))
  (pow (* 500.0 (- x y)) 3)
  (* (cbrt (* 500.0 (- x y))) (cbrt (* 500.0 (- x y))))
  (cbrt (* 500.0 (- x y)))
  (pow (* 500.0 (- x y)) 3)
  (sqrt (* 500.0 (- x y)))
  (sqrt (* 500.0 (- x y)))
  (* (sqrt 500.0) (sqrt (- x y)))
  (* (sqrt 500.0) (sqrt (- x y)))
  (* 500.0 x)
  (* 500.0 (neg y))
  (* 500.0 x)
  (* 500.0 (neg y))
  (* 500.0 (* (cbrt (- x y)) (cbrt (- x y))))
  (* 500.0 (sqrt (- x y)))
  500.0
  (* 500.0 (+ (sqrt x) (sqrt y)))
  500.0
  (* (- x y) (cbrt 500.0))
  (* (- x y) (sqrt 500.0))
  (* 500.0 (- x y))
  (* 500.0 (- (pow x 3) (pow y 3)))
  (* 500.0 (- (* x x) (* y y)))
  (* 500.0 (- x y))
  (* 500.0 (- x y))
  (* 500.0 (- x y))
0.131 * * * [progress]: adding candidates to table
0.156 * * [progress]: iteration 2 / 4
0.156 * * * [progress]: picking best candidate
0.161 * * * * [pick]: Picked  #<alt (λ (x y) (+ (* 500.0 x) (* 500.0 (neg y))))>
0.161 * * * [progress]: localizing error
0.166 * * * [progress]: generating rewritten candidates
0.166 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.169 * * * [progress]: generating series expansions
0.169 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.169 * [approximate]: Taking taylor expansion of (- (* 500.0 x) (* 500.0 y)) in (x y) around 0
0.169 * [taylor]: Taking taylor expansion of (- (* 500.0 x) (* 500.0 y)) in y
0.169 * [taylor]: Taking taylor expansion of (* 500.0 x) in y
0.170 * [taylor]: Taking taylor expansion of 500.0 in y
0.170 * [taylor]: Taking taylor expansion of x in y
0.170 * [taylor]: Taking taylor expansion of (* 500.0 y) in y
0.170 * [taylor]: Taking taylor expansion of 500.0 in y
0.170 * [taylor]: Taking taylor expansion of y in y
0.170 * [taylor]: Taking taylor expansion of (- (* 500.0 x) (* 500.0 y)) in x
0.170 * [taylor]: Taking taylor expansion of (* 500.0 x) in x
0.170 * [taylor]: Taking taylor expansion of 500.0 in x
0.170 * [taylor]: Taking taylor expansion of x in x
0.170 * [taylor]: Taking taylor expansion of (* 500.0 y) in x
0.170 * [taylor]: Taking taylor expansion of 500.0 in x
0.170 * [taylor]: Taking taylor expansion of y in x
0.170 * [taylor]: Taking taylor expansion of (- (* 500.0 x) (* 500.0 y)) in x
0.170 * [taylor]: Taking taylor expansion of (* 500.0 x) in x
0.170 * [taylor]: Taking taylor expansion of 500.0 in x
0.170 * [taylor]: Taking taylor expansion of x in x
0.170 * [taylor]: Taking taylor expansion of (* 500.0 y) in x
0.170 * [taylor]: Taking taylor expansion of 500.0 in x
0.170 * [taylor]: Taking taylor expansion of y in x
0.170 * [taylor]: Taking taylor expansion of (neg (* 500.0 y)) in y
0.170 * [taylor]: Taking taylor expansion of (* 500.0 y) in y
0.170 * [taylor]: Taking taylor expansion of 500.0 in y
0.170 * [taylor]: Taking taylor expansion of y in y
0.170 * [taylor]: Taking taylor expansion of 500.0 in y
0.170 * [taylor]: Taking taylor expansion of 0 in y
0.170 * [taylor]: Taking taylor expansion of 0 in y
0.171 * [approximate]: Taking taylor expansion of (- (* 500.0 (/ 1 x)) (* 500.0 (/ 1 y))) in (x y) around 0
0.171 * [taylor]: Taking taylor expansion of (- (* 500.0 (/ 1 x)) (* 500.0 (/ 1 y))) in y
0.171 * [taylor]: Taking taylor expansion of (* 500.0 (/ 1 x)) in y
0.171 * [taylor]: Taking taylor expansion of 500.0 in y
0.171 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.171 * [taylor]: Taking taylor expansion of x in y
0.171 * [taylor]: Taking taylor expansion of (* 500.0 (/ 1 y)) in y
0.171 * [taylor]: Taking taylor expansion of 500.0 in y
0.171 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.171 * [taylor]: Taking taylor expansion of y in y
0.171 * [taylor]: Taking taylor expansion of (- (* 500.0 (/ 1 x)) (* 500.0 (/ 1 y))) in x
0.171 * [taylor]: Taking taylor expansion of (* 500.0 (/ 1 x)) in x
0.171 * [taylor]: Taking taylor expansion of 500.0 in x
0.171 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.171 * [taylor]: Taking taylor expansion of x in x
0.171 * [taylor]: Taking taylor expansion of (* 500.0 (/ 1 y)) in x
0.171 * [taylor]: Taking taylor expansion of 500.0 in x
0.171 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.171 * [taylor]: Taking taylor expansion of y in x
0.171 * [taylor]: Taking taylor expansion of (- (* 500.0 (/ 1 x)) (* 500.0 (/ 1 y))) in x
0.171 * [taylor]: Taking taylor expansion of (* 500.0 (/ 1 x)) in x
0.171 * [taylor]: Taking taylor expansion of 500.0 in x
0.171 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.171 * [taylor]: Taking taylor expansion of x in x
0.171 * [taylor]: Taking taylor expansion of (* 500.0 (/ 1 y)) in x
0.171 * [taylor]: Taking taylor expansion of 500.0 in x
0.171 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.171 * [taylor]: Taking taylor expansion of y in x
0.171 * [taylor]: Taking taylor expansion of 500.0 in y
0.171 * [taylor]: Taking taylor expansion of (neg (* 500.0 (/ 1 y))) in y
0.171 * [taylor]: Taking taylor expansion of (* 500.0 (/ 1 y)) in y
0.171 * [taylor]: Taking taylor expansion of 500.0 in y
0.171 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.171 * [taylor]: Taking taylor expansion of y in y
0.172 * [taylor]: Taking taylor expansion of 0 in y
0.172 * [taylor]: Taking taylor expansion of 0 in y
0.172 * [taylor]: Taking taylor expansion of 0 in y
0.172 * [approximate]: Taking taylor expansion of (- (* 500.0 (/ 1 y)) (* 500.0 (/ 1 x))) in (x y) around 0
0.172 * [taylor]: Taking taylor expansion of (- (* 500.0 (/ 1 y)) (* 500.0 (/ 1 x))) in y
0.172 * [taylor]: Taking taylor expansion of (* 500.0 (/ 1 y)) in y
0.172 * [taylor]: Taking taylor expansion of 500.0 in y
0.172 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.172 * [taylor]: Taking taylor expansion of y in y
0.172 * [taylor]: Taking taylor expansion of (* 500.0 (/ 1 x)) in y
0.172 * [taylor]: Taking taylor expansion of 500.0 in y
0.173 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.173 * [taylor]: Taking taylor expansion of x in y
0.173 * [taylor]: Taking taylor expansion of (- (* 500.0 (/ 1 y)) (* 500.0 (/ 1 x))) in x
0.173 * [taylor]: Taking taylor expansion of (* 500.0 (/ 1 y)) in x
0.173 * [taylor]: Taking taylor expansion of 500.0 in x
0.173 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.173 * [taylor]: Taking taylor expansion of y in x
0.173 * [taylor]: Taking taylor expansion of (* 500.0 (/ 1 x)) in x
0.173 * [taylor]: Taking taylor expansion of 500.0 in x
0.173 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.173 * [taylor]: Taking taylor expansion of x in x
0.173 * [taylor]: Taking taylor expansion of (- (* 500.0 (/ 1 y)) (* 500.0 (/ 1 x))) in x
0.173 * [taylor]: Taking taylor expansion of (* 500.0 (/ 1 y)) in x
0.173 * [taylor]: Taking taylor expansion of 500.0 in x
0.173 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.173 * [taylor]: Taking taylor expansion of y in x
0.173 * [taylor]: Taking taylor expansion of (* 500.0 (/ 1 x)) in x
0.173 * [taylor]: Taking taylor expansion of 500.0 in x
0.173 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.173 * [taylor]: Taking taylor expansion of x in x
0.173 * [taylor]: Taking taylor expansion of (neg 500.0) in y
0.173 * [taylor]: Taking taylor expansion of 500.0 in y
0.173 * [taylor]: Taking taylor expansion of (* 500.0 (/ 1 y)) in y
0.173 * [taylor]: Taking taylor expansion of 500.0 in y
0.173 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.173 * [taylor]: Taking taylor expansion of y in y
0.173 * [taylor]: Taking taylor expansion of 0 in y
0.174 * [taylor]: Taking taylor expansion of 0 in y
0.174 * [taylor]: Taking taylor expansion of 0 in y
0.174 * * * [progress]: simplifying candidates
0.174 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* (exp (* 500.0 x)) (exp (* 500.0 (neg y))))
  (log (+ (* 500.0 x) (* 500.0 (neg y))))
  (exp (+ (* 500.0 x) (* 500.0 (neg y))))
  (* (cbrt (+ (* 500.0 x) (* 500.0 (neg y)))) (cbrt (+ (* 500.0 x) (* 500.0 (neg y)))))
  (cbrt (+ (* 500.0 x) (* 500.0 (neg y))))
  (* (* (+ (* 500.0 x) (* 500.0 (neg y))) (+ (* 500.0 x) (* 500.0 (neg y)))) (+ (* 500.0 x) (* 500.0 (neg y))))
  (sqrt (+ (* 500.0 x) (* 500.0 (neg y))))
  (sqrt (+ (* 500.0 x) (* 500.0 (neg y))))
  (+ (pow (* 500.0 x) 3) (pow (* 500.0 (neg y)) 3))
  (+ (* (* 500.0 x) (* 500.0 x)) (- (* (* 500.0 (neg y)) (* 500.0 (neg y))) (* (* 500.0 x) (* 500.0 (neg y)))))
  (- (* (* 500.0 x) (* 500.0 x)) (* (* 500.0 (neg y)) (* 500.0 (neg y))))
  (- (* 500.0 x) (* 500.0 (neg y)))
  (+ x (neg y))
  (- (* 500.0 x) (* 500.0 y))
  (- (* 500.0 x) (* 500.0 y))
  (- (* 500.0 x) (* 500.0 y))
0.220 * * [simplify]: iteration  0 :  4995  enodes  (cost  125 )
0.220 * * [simplify]: iteration  1 :  4995  enodes  (cost  125 )
0.222 * [simplify]: Simplified to:
   (pow (exp 500.0) (- x y))
  (log (* 500.0 (+ x (neg y))))
  (pow (exp 500.0) (- x y))
  (* (cbrt (* 500.0 (+ x (neg y)))) (cbrt (* 500.0 (+ x (neg y)))))
  (cbrt (* 500.0 (+ x (neg y))))
  (pow (* 500.0 (+ x (neg y))) 3)
  (sqrt (* 500.0 (+ x (neg y))))
  (sqrt (* 500.0 (+ x (neg y))))
  (+ (pow (* 500.0 x) 3) (pow (* 500.0 (neg y)) 3))
  (* 500.0 (* 500.0 (+ (* x x) (* y (- y (neg x))))))
  (* 500.0 (* 500.0 (- (* x x) (* y y))))
  (* 500.0 (- x (neg y)))
  (+ x (neg y))
  (* 500.0 (- x y))
  (* 500.0 (- x y))
  (* 500.0 (- x y))
0.222 * * * [progress]: adding candidates to table
0.240 * * [progress]: iteration 3 / 4
0.240 * * * [progress]: picking best candidate
0.242 * * * * [pick]: Picked  #<alt (λ (x y) (* (* 500.0 (sqrt (- x y))) (sqrt (- x y))))>
0.242 * * * [progress]: localizing error
0.248 * * * [progress]: generating rewritten candidates
0.248 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
0.259 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1)
0.269 * * * [progress]: generating series expansions
0.270 * * * * [progress]: [ 1 / 2 ] generating series at (2)
0.270 * [approximate]: Taking taylor expansion of (* 500.0 (- x y)) in (x y) around 0
0.270 * [taylor]: Taking taylor expansion of (* 500.0 (- x y)) in y
0.270 * [taylor]: Taking taylor expansion of 500.0 in y
0.270 * [taylor]: Taking taylor expansion of (- x y) in y
0.270 * [taylor]: Taking taylor expansion of x in y
0.270 * [taylor]: Taking taylor expansion of y in y
0.270 * [taylor]: Taking taylor expansion of (* 500.0 (- x y)) in x
0.270 * [taylor]: Taking taylor expansion of 500.0 in x
0.270 * [taylor]: Taking taylor expansion of (- x y) in x
0.270 * [taylor]: Taking taylor expansion of x in x
0.270 * [taylor]: Taking taylor expansion of y in x
0.270 * [taylor]: Taking taylor expansion of (* 500.0 (- x y)) in x
0.270 * [taylor]: Taking taylor expansion of 500.0 in x
0.270 * [taylor]: Taking taylor expansion of (- x y) in x
0.270 * [taylor]: Taking taylor expansion of x in x
0.270 * [taylor]: Taking taylor expansion of y in x
0.270 * [taylor]: Taking taylor expansion of (* -500.0 y) in y
0.270 * [taylor]: Taking taylor expansion of -500.0 in y
0.270 * [taylor]: Taking taylor expansion of y in y
0.270 * [taylor]: Taking taylor expansion of 500.0 in y
0.271 * [taylor]: Taking taylor expansion of 0 in y
0.271 * [taylor]: Taking taylor expansion of 0 in y
0.271 * [approximate]: Taking taylor expansion of (* 500.0 (- (/ 1 x) (/ 1 y))) in (x y) around 0
0.271 * [taylor]: Taking taylor expansion of (* 500.0 (- (/ 1 x) (/ 1 y))) in y
0.271 * [taylor]: Taking taylor expansion of 500.0 in y
0.271 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
0.271 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.271 * [taylor]: Taking taylor expansion of x in y
0.271 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.271 * [taylor]: Taking taylor expansion of y in y
0.271 * [taylor]: Taking taylor expansion of (* 500.0 (- (/ 1 x) (/ 1 y))) in x
0.271 * [taylor]: Taking taylor expansion of 500.0 in x
0.271 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.271 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.271 * [taylor]: Taking taylor expansion of x in x
0.271 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.271 * [taylor]: Taking taylor expansion of y in x
0.271 * [taylor]: Taking taylor expansion of (* 500.0 (- (/ 1 x) (/ 1 y))) in x
0.271 * [taylor]: Taking taylor expansion of 500.0 in x
0.271 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.271 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.271 * [taylor]: Taking taylor expansion of x in x
0.271 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.271 * [taylor]: Taking taylor expansion of y in x
0.272 * [taylor]: Taking taylor expansion of 500.0 in y
0.272 * [taylor]: Taking taylor expansion of (neg (* 500.0 (/ 1 y))) in y
0.272 * [taylor]: Taking taylor expansion of (* 500.0 (/ 1 y)) in y
0.272 * [taylor]: Taking taylor expansion of 500.0 in y
0.272 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.272 * [taylor]: Taking taylor expansion of y in y
0.272 * [taylor]: Taking taylor expansion of 0 in y
0.272 * [taylor]: Taking taylor expansion of 0 in y
0.273 * [taylor]: Taking taylor expansion of 0 in y
0.273 * [approximate]: Taking taylor expansion of (* 500.0 (- (/ 1 y) (/ 1 x))) in (x y) around 0
0.273 * [taylor]: Taking taylor expansion of (* 500.0 (- (/ 1 y) (/ 1 x))) in y
0.273 * [taylor]: Taking taylor expansion of 500.0 in y
0.273 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
0.273 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.273 * [taylor]: Taking taylor expansion of y in y
0.273 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.273 * [taylor]: Taking taylor expansion of x in y
0.273 * [taylor]: Taking taylor expansion of (* 500.0 (- (/ 1 y) (/ 1 x))) in x
0.273 * [taylor]: Taking taylor expansion of 500.0 in x
0.273 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.273 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.273 * [taylor]: Taking taylor expansion of y in x
0.273 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.273 * [taylor]: Taking taylor expansion of x in x
0.273 * [taylor]: Taking taylor expansion of (* 500.0 (- (/ 1 y) (/ 1 x))) in x
0.273 * [taylor]: Taking taylor expansion of 500.0 in x
0.273 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.273 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.273 * [taylor]: Taking taylor expansion of y in x
0.273 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.273 * [taylor]: Taking taylor expansion of x in x
0.274 * [taylor]: Taking taylor expansion of -500.0 in y
0.274 * [taylor]: Taking taylor expansion of (* 500.0 (/ 1 y)) in y
0.274 * [taylor]: Taking taylor expansion of 500.0 in y
0.274 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.274 * [taylor]: Taking taylor expansion of y in y
0.274 * [taylor]: Taking taylor expansion of 0 in y
0.274 * [taylor]: Taking taylor expansion of 0 in y
0.274 * [taylor]: Taking taylor expansion of 0 in y
0.275 * * * * [progress]: [ 2 / 2 ] generating series at (2 1)
0.275 * [approximate]: Taking taylor expansion of (* 500.0 (sqrt (- x y))) in (x y) around 0
0.275 * [taylor]: Taking taylor expansion of (* 500.0 (sqrt (- x y))) in y
0.275 * [taylor]: Taking taylor expansion of 500.0 in y
0.275 * [taylor]: Taking taylor expansion of (sqrt (- x y)) in y
0.275 * [taylor]: Taking taylor expansion of (- x y) in y
0.275 * [taylor]: Taking taylor expansion of x in y
0.275 * [taylor]: Taking taylor expansion of y in y
0.275 * [taylor]: Taking taylor expansion of (* 500.0 (sqrt (- x y))) in x
0.275 * [taylor]: Taking taylor expansion of 500.0 in x
0.275 * [taylor]: Taking taylor expansion of (sqrt (- x y)) in x
0.275 * [taylor]: Taking taylor expansion of (- x y) in x
0.275 * [taylor]: Taking taylor expansion of x in x
0.275 * [taylor]: Taking taylor expansion of y in x
0.275 * [taylor]: Taking taylor expansion of (* 500.0 (sqrt (- x y))) in x
0.275 * [taylor]: Taking taylor expansion of 500.0 in x
0.275 * [taylor]: Taking taylor expansion of (sqrt (- x y)) in x
0.275 * [taylor]: Taking taylor expansion of (- x y) in x
0.275 * [taylor]: Taking taylor expansion of x in x
0.275 * [taylor]: Taking taylor expansion of y in x
0.275 * [taylor]: Taking taylor expansion of (* 500.0 (sqrt (neg y))) in y
0.275 * [taylor]: Taking taylor expansion of 500.0 in y
0.275 * [taylor]: Taking taylor expansion of (sqrt (neg y)) in y
0.275 * [taylor]: Taking taylor expansion of (neg y) in y
0.275 * [taylor]: Taking taylor expansion of y in y
0.275 * [taylor]: Taking taylor expansion of (* 250.0 (/ 1 (sqrt (neg y)))) in y
0.275 * [taylor]: Taking taylor expansion of 250.0 in y
0.275 * [taylor]: Taking taylor expansion of (/ 1 (sqrt (neg y))) in y
0.275 * [taylor]: Taking taylor expansion of (sqrt (neg y)) in y
0.275 * [taylor]: Taking taylor expansion of (neg y) in y
0.275 * [taylor]: Taking taylor expansion of y in y
0.276 * [taylor]: Taking taylor expansion of (neg (* 62.5 (/ 1 (pow (sqrt (neg y)) 3)))) in y
0.276 * [taylor]: Taking taylor expansion of (* 62.5 (/ 1 (pow (sqrt (neg y)) 3))) in y
0.276 * [taylor]: Taking taylor expansion of 62.5 in y
0.276 * [taylor]: Taking taylor expansion of (/ 1 (pow (sqrt (neg y)) 3)) in y
0.276 * [taylor]: Taking taylor expansion of (pow (sqrt (neg y)) 3) in y
0.276 * [taylor]: Taking taylor expansion of (sqrt (neg y)) in y
0.276 * [taylor]: Taking taylor expansion of (neg y) in y
0.276 * [taylor]: Taking taylor expansion of y in y
0.280 * [approximate]: Taking taylor expansion of (* 500.0 (sqrt (- (/ 1 x) (/ 1 y)))) in (x y) around 0
0.280 * [taylor]: Taking taylor expansion of (* 500.0 (sqrt (- (/ 1 x) (/ 1 y)))) in y
0.280 * [taylor]: Taking taylor expansion of 500.0 in y
0.280 * [taylor]: Taking taylor expansion of (sqrt (- (/ 1 x) (/ 1 y))) in y
0.280 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
0.280 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.280 * [taylor]: Taking taylor expansion of x in y
0.280 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.280 * [taylor]: Taking taylor expansion of y in y
0.280 * [taylor]: Taking taylor expansion of (* 500.0 (sqrt (- (/ 1 x) (/ 1 y)))) in x
0.280 * [taylor]: Taking taylor expansion of 500.0 in x
0.280 * [taylor]: Taking taylor expansion of (sqrt (- (/ 1 x) (/ 1 y))) in x
0.280 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.280 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.280 * [taylor]: Taking taylor expansion of x in x
0.280 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.280 * [taylor]: Taking taylor expansion of y in x
0.280 * [taylor]: Taking taylor expansion of (* 500.0 (sqrt (- (/ 1 x) (/ 1 y)))) in x
0.281 * [taylor]: Taking taylor expansion of 500.0 in x
0.281 * [taylor]: Taking taylor expansion of (sqrt (- (/ 1 x) (/ 1 y))) in x
0.281 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.281 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.281 * [taylor]: Taking taylor expansion of x in x
0.281 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.281 * [taylor]: Taking taylor expansion of y in x
0.281 * [taylor]: Taking taylor expansion of 0 in y
0.281 * [taylor]: Taking taylor expansion of (* 500.0 NAN) in y
0.281 * [taylor]: Taking taylor expansion of 500.0 in y
0.281 * [taylor]: Taking taylor expansion of NAN in y
0.281 * [taylor]: Taking taylor expansion of (+ (* 500.0 (/ NAN y)) (* 500.0 (pow NAN 3))) in y
0.281 * [taylor]: Taking taylor expansion of (* 500.0 (/ NAN y)) in y
0.281 * [taylor]: Taking taylor expansion of 500.0 in y
0.281 * [taylor]: Taking taylor expansion of (/ NAN y) in y
0.281 * [taylor]: Taking taylor expansion of NAN in y
0.281 * [taylor]: Taking taylor expansion of y in y
0.281 * [taylor]: Taking taylor expansion of (* 500.0 (pow NAN 3)) in y
0.281 * [taylor]: Taking taylor expansion of 500.0 in y
0.281 * [taylor]: Taking taylor expansion of (pow NAN 3) in y
0.281 * [taylor]: Taking taylor expansion of NAN in y
0.282 * [taylor]: Taking taylor expansion of (+ (* 1000.0 (pow NAN 5)) (* 1000.0 (/ (pow NAN 3) y))) in y
0.282 * [taylor]: Taking taylor expansion of (* 1000.0 (pow NAN 5)) in y
0.282 * [taylor]: Taking taylor expansion of 1000.0 in y
0.282 * [taylor]: Taking taylor expansion of (pow NAN 5) in y
0.282 * [taylor]: Taking taylor expansion of NAN in y
0.282 * [taylor]: Taking taylor expansion of (* 1000.0 (/ (pow NAN 3) y)) in y
0.282 * [taylor]: Taking taylor expansion of 1000.0 in y
0.282 * [taylor]: Taking taylor expansion of (/ (pow NAN 3) y) in y
0.282 * [taylor]: Taking taylor expansion of (pow NAN 3) in y
0.282 * [taylor]: Taking taylor expansion of NAN in y
0.282 * [taylor]: Taking taylor expansion of y in y
0.283 * [approximate]: Taking taylor expansion of (* 500.0 (sqrt (- (/ 1 y) (/ 1 x)))) in (x y) around 0
0.283 * [taylor]: Taking taylor expansion of (* 500.0 (sqrt (- (/ 1 y) (/ 1 x)))) in y
0.283 * [taylor]: Taking taylor expansion of 500.0 in y
0.283 * [taylor]: Taking taylor expansion of (sqrt (- (/ 1 y) (/ 1 x))) in y
0.283 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
0.283 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.283 * [taylor]: Taking taylor expansion of y in y
0.283 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.283 * [taylor]: Taking taylor expansion of x in y
0.283 * [taylor]: Taking taylor expansion of (* 500.0 (sqrt (- (/ 1 y) (/ 1 x)))) in x
0.283 * [taylor]: Taking taylor expansion of 500.0 in x
0.283 * [taylor]: Taking taylor expansion of (sqrt (- (/ 1 y) (/ 1 x))) in x
0.283 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.283 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.283 * [taylor]: Taking taylor expansion of y in x
0.283 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.283 * [taylor]: Taking taylor expansion of x in x
0.283 * [taylor]: Taking taylor expansion of (* 500.0 (sqrt (- (/ 1 y) (/ 1 x)))) in x
0.283 * [taylor]: Taking taylor expansion of 500.0 in x
0.283 * [taylor]: Taking taylor expansion of (sqrt (- (/ 1 y) (/ 1 x))) in x
0.283 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.283 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.283 * [taylor]: Taking taylor expansion of y in x
0.283 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.283 * [taylor]: Taking taylor expansion of x in x
0.284 * [taylor]: Taking taylor expansion of 0 in y
0.284 * [taylor]: Taking taylor expansion of (* 500.0 NAN) in y
0.284 * [taylor]: Taking taylor expansion of 500.0 in y
0.284 * [taylor]: Taking taylor expansion of NAN in y
0.284 * [taylor]: Taking taylor expansion of (- (* 500.0 (/ NAN y)) (* 500.0 (pow NAN 3))) in y
0.284 * [taylor]: Taking taylor expansion of (* 500.0 (/ NAN y)) in y
0.284 * [taylor]: Taking taylor expansion of 500.0 in y
0.284 * [taylor]: Taking taylor expansion of (/ NAN y) in y
0.284 * [taylor]: Taking taylor expansion of NAN in y
0.284 * [taylor]: Taking taylor expansion of y in y
0.284 * [taylor]: Taking taylor expansion of (* 500.0 (pow NAN 3)) in y
0.284 * [taylor]: Taking taylor expansion of 500.0 in y
0.284 * [taylor]: Taking taylor expansion of (pow NAN 3) in y
0.284 * [taylor]: Taking taylor expansion of NAN in y
0.285 * [taylor]: Taking taylor expansion of (- (* 1000.0 (pow NAN 5)) (* 1000.0 (/ (pow NAN 3) y))) in y
0.285 * [taylor]: Taking taylor expansion of (* 1000.0 (pow NAN 5)) in y
0.285 * [taylor]: Taking taylor expansion of 1000.0 in y
0.285 * [taylor]: Taking taylor expansion of (pow NAN 5) in y
0.285 * [taylor]: Taking taylor expansion of NAN in y
0.285 * [taylor]: Taking taylor expansion of (* 1000.0 (/ (pow NAN 3) y)) in y
0.285 * [taylor]: Taking taylor expansion of 1000.0 in y
0.285 * [taylor]: Taking taylor expansion of (/ (pow NAN 3) y) in y
0.285 * [taylor]: Taking taylor expansion of (pow NAN 3) in y
0.285 * [taylor]: Taking taylor expansion of NAN in y
0.285 * [taylor]: Taking taylor expansion of y in y
0.286 * * * [progress]: simplifying candidates
0.287 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* (* 500.0 (sqrt (- x y))) (sqrt (- x y)))
  (* (* 500.0 (sqrt (- x y))) (sqrt (- x y)))
  (+ (+ (log 500.0) (log (sqrt (- x y)))) (log (sqrt (- x y))))
  (+ (log (* 500.0 (sqrt (- x y)))) (log (sqrt (- x y))))
  (log (* (* 500.0 (sqrt (- x y))) (sqrt (- x y))))
  (exp (* (* 500.0 (sqrt (- x y))) (sqrt (- x y))))
  (* (* (* (* 500.0 500.0) 500.0) (* (* (sqrt (- x y)) (sqrt (- x y))) (sqrt (- x y)))) (* (* (sqrt (- x y)) (sqrt (- x y))) (sqrt (- x y))))
  (* (* (* (* 500.0 (sqrt (- x y))) (* 500.0 (sqrt (- x y)))) (* 500.0 (sqrt (- x y)))) (* (* (sqrt (- x y)) (sqrt (- x y))) (sqrt (- x y))))
  (* (cbrt (* (* 500.0 (sqrt (- x y))) (sqrt (- x y)))) (cbrt (* (* 500.0 (sqrt (- x y))) (sqrt (- x y)))))
  (cbrt (* (* 500.0 (sqrt (- x y))) (sqrt (- x y))))
  (* (* (* (* 500.0 (sqrt (- x y))) (sqrt (- x y))) (* (* 500.0 (sqrt (- x y))) (sqrt (- x y)))) (* (* 500.0 (sqrt (- x y))) (sqrt (- x y))))
  (sqrt (* (* 500.0 (sqrt (- x y))) (sqrt (- x y))))
  (sqrt (* (* 500.0 (sqrt (- x y))) (sqrt (- x y))))
  (* (* 500.0 (sqrt (- (pow x 3) (pow y 3)))) (sqrt (- (pow x 3) (pow y 3))))
  (* (sqrt (+ (* x x) (+ (* y y) (* x y)))) (sqrt (+ (* x x) (+ (* y y) (* x y)))))
  (* (* 500.0 (sqrt (- (pow x 3) (pow y 3)))) (sqrt (- (* x x) (* y y))))
  (* (sqrt (+ (* x x) (+ (* y y) (* x y)))) (sqrt (+ x y)))
  (* (* 500.0 (sqrt (- (* x x) (* y y)))) (sqrt (- (pow x 3) (pow y 3))))
  (* (sqrt (+ x y)) (sqrt (+ (* x x) (+ (* y y) (* x y)))))
  (* (* 500.0 (sqrt (- (* x x) (* y y)))) (sqrt (- (* x x) (* y y))))
  (* (sqrt (+ x y)) (sqrt (+ x y)))
  (* (* 500.0 (sqrt (- x y))) (* (cbrt (sqrt (- x y))) (cbrt (sqrt (- x y)))))
  (* (* 500.0 (sqrt (- x y))) (sqrt (* (cbrt (- x y)) (cbrt (- x y)))))
  (* (* 500.0 (sqrt (- x y))) (sqrt (sqrt (- x y))))
  (* (* 500.0 (sqrt (- x y))) (sqrt 1))
  (* (* 500.0 (sqrt (- x y))) (sqrt (+ (sqrt x) (sqrt y))))
  (* (* 500.0 (sqrt (- x y))) (sqrt 1))
  (* (* 500.0 (sqrt (- x y))) (sqrt (sqrt (- x y))))
  (* (* 500.0 (sqrt (- x y))) 1)
  (* (sqrt (- x y)) (sqrt (- x y)))
  (* (* 500.0 (sqrt (- x y))) (sqrt (- (pow x 3) (pow y 3))))
  (* (* 500.0 (sqrt (- x y))) (sqrt (- (* x x) (* y y))))
  (* (* 500.0 (sqrt (- (pow x 3) (pow y 3)))) (sqrt (- x y)))
  (* (* 500.0 (sqrt (- (* x x) (* y y)))) (sqrt (- x y)))
  (* 500.0 (sqrt (- x y)))
  (+ (log 500.0) (log (sqrt (- x y))))
  (log (* 500.0 (sqrt (- x y))))
  (exp (* 500.0 (sqrt (- x y))))
  (* (* (* 500.0 500.0) 500.0) (* (* (sqrt (- x y)) (sqrt (- x y))) (sqrt (- x y))))
  (* (cbrt (* 500.0 (sqrt (- x y)))) (cbrt (* 500.0 (sqrt (- x y)))))
  (cbrt (* 500.0 (sqrt (- x y))))
  (* (* (* 500.0 (sqrt (- x y))) (* 500.0 (sqrt (- x y)))) (* 500.0 (sqrt (- x y))))
  (sqrt (* 500.0 (sqrt (- x y))))
  (sqrt (* 500.0 (sqrt (- x y))))
  (* (sqrt 500.0) (sqrt (sqrt (- x y))))
  (* (sqrt 500.0) (sqrt (sqrt (- x y))))
  (* (sqrt 500.0) (sqrt (sqrt (- x y))))
  (* (sqrt 500.0) (sqrt (sqrt (- x y))))
  (* 500.0 (* (cbrt (sqrt (- x y))) (cbrt (sqrt (- x y)))))
  (* 500.0 (sqrt (* (cbrt (- x y)) (cbrt (- x y)))))
  (* 500.0 (sqrt (sqrt (- x y))))
  (* 500.0 (sqrt 1))
  (* 500.0 (sqrt (+ (sqrt x) (sqrt y))))
  (* 500.0 (sqrt 1))
  (* 500.0 (sqrt (sqrt (- x y))))
  (* 500.0 1)
  (* (cbrt 500.0) (sqrt (- x y)))
  (* (sqrt 500.0) (sqrt (- x y)))
  (* 500.0 (sqrt (- x y)))
  (* 500.0 (sqrt (- (pow x 3) (pow y 3))))
  (* 500.0 (sqrt (- (* x x) (* y y))))
  (- (* 500.0 x) (* 500.0 y))
  (- (* 500.0 x) (* 500.0 y))
  (- (* 500.0 x) (* 500.0 y))
  (- (+ (* 500.0 (* NAN y)) (* 62.5 (* (pow x 2) (pow NAN 3)))) (* 250.0 (* x NAN)))
  (+ (* 500.0 NAN) (+ (* 500.0 (/ (* NAN y) x)) (* 1000.0 (/ (* (pow NAN 3) y) (pow x 2)))))
  (+ (* 500.0 NAN) (+ (* 500.0 (/ (* NAN y) x)) (* 1000.0 (/ (* (pow NAN 3) y) (pow x 2)))))
0.339 * * [simplify]: iteration  0 :  4931  enodes  (cost  592 )
0.340 * * [simplify]: iteration  1 :  4931  enodes  (cost  592 )
0.342 * [simplify]: Simplified to:
   (* 500.0 (- x y))
  (* 500.0 (- x y))
  (log (* 500.0 (- x y)))
  (log (* 500.0 (- x y)))
  (log (* 500.0 (- x y)))
  (pow (exp 500.0) (- x y))
  (pow (* 500.0 (- x y)) 3)
  (pow (* 500.0 (- x y)) 3)
  (* (cbrt (* 500.0 (- x y))) (cbrt (* 500.0 (- x y))))
  (cbrt (* 500.0 (- x y)))
  (pow (* 500.0 (- x y)) 3)
  (sqrt (* 500.0 (- x y)))
  (sqrt (* 500.0 (- x y)))
  (* 500.0 (- (pow x 3) (pow y 3)))
  (+ (* x x) (* y (+ x y)))
  (* 500.0 (* (sqrt (- (pow x 3) (pow y 3))) (sqrt (- (* x x) (* y y)))))
  (* (sqrt (+ (* x x) (* y (+ x y)))) (sqrt (+ x y)))
  (* 500.0 (* (sqrt (- (pow x 3) (pow y 3))) (sqrt (- (* x x) (* y y)))))
  (* (sqrt (+ (* x x) (* y (+ x y)))) (sqrt (+ x y)))
  (* 500.0 (- (* x x) (* y y)))
  (+ x y)
  (* 500.0 (* (sqrt (- x y)) (* (cbrt (sqrt (- x y))) (cbrt (sqrt (- x y))))))
  (* 500.0 (* (sqrt (- x y)) (fabs (cbrt (- x y)))))
  (* 500.0 (pow (sqrt (- x y)) 3/2))
  (* 500.0 (sqrt (- x y)))
  (* 500.0 (* (sqrt (- x y)) (sqrt (+ (sqrt x) (sqrt y)))))
  (* 500.0 (sqrt (- x y)))
  (* 500.0 (pow (sqrt (- x y)) 3/2))
  (* 500.0 (sqrt (- x y)))
  (- x y)
  (* 500.0 (* (sqrt (- x y)) (sqrt (- (pow x 3) (pow y 3)))))
  (* 500.0 (* (sqrt (- x y)) (sqrt (- (* x x) (* y y)))))
  (* 500.0 (* (sqrt (- x y)) (sqrt (- (pow x 3) (pow y 3)))))
  (* 500.0 (* (sqrt (- x y)) (sqrt (- (* x x) (* y y)))))
  (* 500.0 (sqrt (- x y)))
  (log (* 500.0 (sqrt (- x y))))
  (log (* 500.0 (sqrt (- x y))))
  (pow (exp 500.0) (sqrt (- x y)))
  (pow (* 500.0 (sqrt (- x y))) 3)
  (* (cbrt (* 500.0 (sqrt (- x y)))) (cbrt (* 500.0 (sqrt (- x y)))))
  (cbrt (* 500.0 (sqrt (- x y))))
  (pow (* 500.0 (sqrt (- x y))) 3)
  (sqrt (* 500.0 (sqrt (- x y))))
  (sqrt (* 500.0 (sqrt (- x y))))
  (* (sqrt (sqrt (- x y))) (sqrt 500.0))
  (* (sqrt (sqrt (- x y))) (sqrt 500.0))
  (* (sqrt (sqrt (- x y))) (sqrt 500.0))
  (* (sqrt (sqrt (- x y))) (sqrt 500.0))
  (* 500.0 (* (cbrt (sqrt (- x y))) (cbrt (sqrt (- x y)))))
  (* 500.0 (fabs (cbrt (- x y))))
  (* 500.0 (sqrt (sqrt (- x y))))
  500.0
  (* 500.0 (sqrt (+ (sqrt x) (sqrt y))))
  500.0
  (* 500.0 (sqrt (sqrt (- x y))))
  500.0
  (* (sqrt (- x y)) (cbrt 500.0))
  (* (sqrt (- x y)) (sqrt 500.0))
  (* 500.0 (sqrt (- x y)))
  (* 500.0 (sqrt (- (pow x 3) (pow y 3))))
  (* 500.0 (sqrt (- (* x x) (* y y))))
  (* 500.0 (- x y))
  (* 500.0 (- x y))
  (* 500.0 (- x y))
  (+ (* (* x x) (* 62.5 (pow NAN 3))) (* NAN (- (* 500.0 y) (* x 250.0))))
  (+ (* 500.0 NAN) (* (* y (/ NAN x)) (+ 500.0 (/ 1000.0 (/ x (* NAN NAN))))))
  (+ (* 500.0 NAN) (* (* y (/ NAN x)) (+ 500.0 (/ 1000.0 (/ x (* NAN NAN))))))
0.343 * * * [progress]: adding candidates to table
0.393 * [progress]: [Phase 3 of 3] Extracting.
0.393 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (* 500.0 (- x y)))> #<alt (λ (x y) (+ (* 500.0 x) (* 500.0 (neg y))))> #<alt (λ (x y) (* (* 500.0 (sqrt (- x y))) (sqrt (- x y))))>)
0.393 * * * [regime-changes]: Trying 4 branch expressions: ((- x y) (* 500.0 (- x y)) y x)
0.393 * * * * [regimes]: Trying to branch on (- x y) from (#<alt (λ (x y) (* 500.0 (- x y)))> #<alt (λ (x y) (+ (* 500.0 x) (* 500.0 (neg y))))> #<alt (λ (x y) (* (* 500.0 (sqrt (- x y))) (sqrt (- x y))))>)
0.426 * * * * [regimes]: Trying to branch on (* 500.0 (- x y)) from (#<alt (λ (x y) (* 500.0 (- x y)))> #<alt (λ (x y) (+ (* 500.0 x) (* 500.0 (neg y))))> #<alt (λ (x y) (* (* 500.0 (sqrt (- x y))) (sqrt (- x y))))>)
0.463 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (* 500.0 (- x y)))> #<alt (λ (x y) (+ (* 500.0 x) (* 500.0 (neg y))))> #<alt (λ (x y) (* (* 500.0 (sqrt (- x y))) (sqrt (- x y))))>)
0.498 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (* 500.0 (- x y)))> #<alt (λ (x y) (+ (* 500.0 x) (* 500.0 (neg y))))> #<alt (λ (x y) (* (* 500.0 (sqrt (- x y))) (sqrt (- x y))))>)
0.531 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
0.531 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* 500.0 (- x y))
0.531 * * [simplify]: iteration  0 :  6  enodes  (cost  5 )
0.531 * * [simplify]: iteration  1 :  6  enodes  (cost  5 )
0.532 * [simplify]: Simplified to:
   (* 500.0 (- x y))
1.176 * [regime-testing]: End program error score: 0.015501937742217777