8.008 * [progress]: [Phase 1 of 3] Setting up.
0.000 * * * [progress]: [1/2] Preparing points
0.082 * * * [progress]: [2/2] Setting up program.
0.083 * [progress]: [Phase 2 of 3] Improving.
0.083 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (*.f64 500 (-.f64 x y))
0.104 * * [simplify]: iteration  0 :  157  enodes  (cost  7 )
0.104 * * [simplify]: iteration  1 :  157  enodes  (cost  7 )
0.104 * [simplify]: Simplified to:
   (*.f64 500 (-.f64 x y))
0.104 * * [progress]: iteration 1 / 4
0.104 * * * [progress]: picking best candidate
0.105 * * * * [pick]: Picked  #<alt (λ (x y) (*.f64 500 (-.f64 x y)))>
0.105 * * * [progress]: localizing error
0.109 * * * [progress]: generating rewritten candidates
0.109 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.116 * * * [progress]: generating series expansions
0.116 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.116 * [approximate]: Taking taylor expansion of (* 500 (- x y)) in (x y) around 0
0.116 * [taylor]: Taking taylor expansion of (* 500 (- x y)) in y
0.116 * [taylor]: Taking taylor expansion of 500 in y
0.116 * [taylor]: Taking taylor expansion of (- x y) in y
0.116 * [taylor]: Taking taylor expansion of x in y
0.116 * [taylor]: Taking taylor expansion of y in y
0.116 * [taylor]: Taking taylor expansion of (* 500 (- x y)) in x
0.116 * [taylor]: Taking taylor expansion of 500 in x
0.116 * [taylor]: Taking taylor expansion of (- x y) in x
0.116 * [taylor]: Taking taylor expansion of x in x
0.116 * [taylor]: Taking taylor expansion of y in x
0.116 * [taylor]: Taking taylor expansion of (* 500 (- x y)) in x
0.116 * [taylor]: Taking taylor expansion of 500 in x
0.116 * [taylor]: Taking taylor expansion of (- x y) in x
0.116 * [taylor]: Taking taylor expansion of x in x
0.116 * [taylor]: Taking taylor expansion of y in x
0.117 * [taylor]: Taking taylor expansion of (* -500 y) in y
0.117 * [taylor]: Taking taylor expansion of -500 in y
0.117 * [taylor]: Taking taylor expansion of y in y
0.117 * [taylor]: Taking taylor expansion of 500 in y
0.118 * [taylor]: Taking taylor expansion of 0 in y
0.119 * [taylor]: Taking taylor expansion of 0 in y
0.120 * [approximate]: Taking taylor expansion of (* 500 (- (/ 1 x) (/ 1 y))) in (x y) around 0
0.120 * [taylor]: Taking taylor expansion of (* 500 (- (/ 1 x) (/ 1 y))) in y
0.120 * [taylor]: Taking taylor expansion of 500 in y
0.120 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
0.120 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.120 * [taylor]: Taking taylor expansion of x in y
0.120 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.120 * [taylor]: Taking taylor expansion of y in y
0.120 * [taylor]: Taking taylor expansion of (* 500 (- (/ 1 x) (/ 1 y))) in x
0.120 * [taylor]: Taking taylor expansion of 500 in x
0.120 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.120 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.120 * [taylor]: Taking taylor expansion of x in x
0.120 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.120 * [taylor]: Taking taylor expansion of y in x
0.120 * [taylor]: Taking taylor expansion of (* 500 (- (/ 1 x) (/ 1 y))) in x
0.120 * [taylor]: Taking taylor expansion of 500 in x
0.120 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.120 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.120 * [taylor]: Taking taylor expansion of x in x
0.120 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.120 * [taylor]: Taking taylor expansion of y in x
0.121 * [taylor]: Taking taylor expansion of 500 in y
0.122 * [taylor]: Taking taylor expansion of (neg (* 500 (/ 1 y))) in y
0.122 * [taylor]: Taking taylor expansion of (* 500 (/ 1 y)) in y
0.122 * [taylor]: Taking taylor expansion of 500 in y
0.122 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.122 * [taylor]: Taking taylor expansion of y in y
0.123 * [taylor]: Taking taylor expansion of 0 in y
0.125 * [taylor]: Taking taylor expansion of 0 in y
0.127 * [taylor]: Taking taylor expansion of 0 in y
0.128 * [approximate]: Taking taylor expansion of (* 500 (- (/ 1 y) (/ 1 x))) in (x y) around 0
0.128 * [taylor]: Taking taylor expansion of (* 500 (- (/ 1 y) (/ 1 x))) in y
0.128 * [taylor]: Taking taylor expansion of 500 in y
0.128 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
0.128 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.128 * [taylor]: Taking taylor expansion of y in y
0.128 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.129 * [taylor]: Taking taylor expansion of x in y
0.129 * [taylor]: Taking taylor expansion of (* 500 (- (/ 1 y) (/ 1 x))) in x
0.129 * [taylor]: Taking taylor expansion of 500 in x
0.129 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.129 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.129 * [taylor]: Taking taylor expansion of y in x
0.129 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.129 * [taylor]: Taking taylor expansion of x in x
0.129 * [taylor]: Taking taylor expansion of (* 500 (- (/ 1 y) (/ 1 x))) in x
0.129 * [taylor]: Taking taylor expansion of 500 in x
0.129 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.129 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.129 * [taylor]: Taking taylor expansion of y in x
0.129 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.129 * [taylor]: Taking taylor expansion of x in x
0.129 * [taylor]: Taking taylor expansion of -500 in y
0.130 * [taylor]: Taking taylor expansion of (* 500 (/ 1 y)) in y
0.130 * [taylor]: Taking taylor expansion of 500 in y
0.130 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.130 * [taylor]: Taking taylor expansion of y in y
0.131 * [taylor]: Taking taylor expansion of 0 in y
0.132 * [taylor]: Taking taylor expansion of 0 in y
0.134 * [taylor]: Taking taylor expansion of 0 in y
0.135 * * * [progress]: simplifying candidates
0.135 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (*.f64 500 (-.f64 x y))
  (+.f64 (log.f64 500) (log.f64 (-.f64 x y)))
  (exp.f64 (*.f64 500 (-.f64 x y)))
  (log.f64 (*.f64 500 (-.f64 x y)))
  (*.f64 (*.f64 (*.f64 500 (-.f64 x y)) (*.f64 500 (-.f64 x y))) (*.f64 500 (-.f64 x y)))
  (*.f64 (cbrt.f64 (*.f64 500 (-.f64 x y))) (cbrt.f64 (*.f64 500 (-.f64 x y))))
  (cbrt.f64 (*.f64 500 (-.f64 x y)))
  (*.f64 (*.f64 (*.f64 500 500) 500) (*.f64 (*.f64 (-.f64 x y) (-.f64 x y)) (-.f64 x y)))
  (sqrt.f64 (*.f64 500 (-.f64 x y)))
  (sqrt.f64 (*.f64 500 (-.f64 x y)))
  (*.f64 (sqrt.f64 500) (sqrt.f64 (-.f64 x y)))
  (*.f64 (sqrt.f64 500) (sqrt.f64 (-.f64 x y)))
  (*.f64 x 500)
  (*.f64 (neg.f64 y) 500)
  (*.f64 500 x)
  (*.f64 500 (neg.f64 y))
  (*.f64 500 (-.f64 (pow.f64 x 3) (pow.f64 y 3)))
  (*.f64 500 (-.f64 (*.f64 x x) (*.f64 y y)))
  (*.f64 (cbrt.f64 500) (-.f64 x y))
  (*.f64 (sqrt.f64 500) (-.f64 x y))
  (*.f64 500 (-.f64 x y))
  (*.f64 500 (*.f64 (cbrt.f64 (-.f64 x y)) (cbrt.f64 (-.f64 x y))))
  (*.f64 500 (sqrt.f64 (-.f64 x y)))
  (*.f64 500 1)
  (*.f64 500 (+.f64 (sqrt.f64 x) (sqrt.f64 y)))
  (*.f64 500 1)
  (-.f64 (*.f64 500 x) (*.f64 500 y))
  (-.f64 (*.f64 500 x) (*.f64 500 y))
  (-.f64 (*.f64 500 x) (*.f64 500 y))
0.216 * * [simplify]: iteration  0 :  5003  enodes  (cost  250 )
0.218 * [simplify]: Simplified to:
   (*.f64 500 (-.f64 x y))
  (log.f64 (*.f64 500 (-.f64 x y)))
  (exp.f64 (*.f64 500 (-.f64 x y)))
  (log.f64 (*.f64 500 (-.f64 x y)))
  (*.f64 -125000000 (pow.f64 (-.f64 y x) 3))
  (*.f64 (cbrt.f64 (*.f64 500 (-.f64 x y))) (cbrt.f64 (*.f64 500 (-.f64 x y))))
  (cbrt.f64 (*.f64 500 (-.f64 x y)))
  (*.f64 -125000000 (pow.f64 (-.f64 y x) 3))
  (sqrt.f64 (*.f64 500 (-.f64 x y)))
  (sqrt.f64 (*.f64 500 (-.f64 x y)))
  (*.f64 (sqrt.f64 500) (sqrt.f64 (-.f64 x y)))
  (*.f64 (sqrt.f64 500) (sqrt.f64 (-.f64 x y)))
  (*.f64 500 x)
  (*.f64 y -500)
  (*.f64 500 x)
  (*.f64 y -500)
  (*.f64 500 (-.f64 (pow.f64 x 3) (pow.f64 y 3)))
  (*.f64 500 (-.f64 (*.f64 x x) (*.f64 y y)))
  (*.f64 (-.f64 x y) (cbrt.f64 500))
  (*.f64 (-.f64 x y) (sqrt.f64 500))
  (*.f64 500 (-.f64 x y))
  (*.f64 500 (*.f64 (cbrt.f64 (-.f64 x y)) (cbrt.f64 (-.f64 x y))))
  (*.f64 500 (sqrt.f64 (-.f64 x y)))
  500
  (*.f64 500 (+.f64 (sqrt.f64 x) (sqrt.f64 y)))
  500
  (*.f64 500 (-.f64 x y))
  (*.f64 500 (-.f64 x y))
  (*.f64 500 (-.f64 x y))
0.218 * * * [progress]: adding candidates to table
0.231 * * [progress]: iteration 2 / 4
0.231 * * * [progress]: picking best candidate
0.232 * * * * [pick]: Picked  #<alt (λ (x y) (+.f64 (*.f64 500 x) (*.f64 y -500)))>
0.232 * * * [progress]: localizing error
0.236 * * * [progress]: generating rewritten candidates
0.236 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.241 * * * [progress]: generating series expansions
0.241 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.241 * [approximate]: Taking taylor expansion of (- (* 500 x) (* 500 y)) in (x y) around 0
0.241 * [taylor]: Taking taylor expansion of (- (* 500 x) (* 500 y)) in y
0.241 * [taylor]: Taking taylor expansion of (* 500 x) in y
0.241 * [taylor]: Taking taylor expansion of 500 in y
0.241 * [taylor]: Taking taylor expansion of x in y
0.241 * [taylor]: Taking taylor expansion of (* 500 y) in y
0.241 * [taylor]: Taking taylor expansion of 500 in y
0.241 * [taylor]: Taking taylor expansion of y in y
0.241 * [taylor]: Taking taylor expansion of (- (* 500 x) (* 500 y)) in x
0.241 * [taylor]: Taking taylor expansion of (* 500 x) in x
0.241 * [taylor]: Taking taylor expansion of 500 in x
0.241 * [taylor]: Taking taylor expansion of x in x
0.241 * [taylor]: Taking taylor expansion of (* 500 y) in x
0.241 * [taylor]: Taking taylor expansion of 500 in x
0.241 * [taylor]: Taking taylor expansion of y in x
0.241 * [taylor]: Taking taylor expansion of (- (* 500 x) (* 500 y)) in x
0.241 * [taylor]: Taking taylor expansion of (* 500 x) in x
0.241 * [taylor]: Taking taylor expansion of 500 in x
0.241 * [taylor]: Taking taylor expansion of x in x
0.241 * [taylor]: Taking taylor expansion of (* 500 y) in x
0.241 * [taylor]: Taking taylor expansion of 500 in x
0.241 * [taylor]: Taking taylor expansion of y in x
0.242 * [taylor]: Taking taylor expansion of (neg (* 500 y)) in y
0.242 * [taylor]: Taking taylor expansion of (* 500 y) in y
0.242 * [taylor]: Taking taylor expansion of 500 in y
0.242 * [taylor]: Taking taylor expansion of y in y
0.243 * [taylor]: Taking taylor expansion of 500 in y
0.243 * [taylor]: Taking taylor expansion of 0 in y
0.245 * [taylor]: Taking taylor expansion of 0 in y
0.246 * [approximate]: Taking taylor expansion of (- (* 500 (/ 1 x)) (* 500 (/ 1 y))) in (x y) around 0
0.246 * [taylor]: Taking taylor expansion of (- (* 500 (/ 1 x)) (* 500 (/ 1 y))) in y
0.246 * [taylor]: Taking taylor expansion of (* 500 (/ 1 x)) in y
0.246 * [taylor]: Taking taylor expansion of 500 in y
0.246 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.246 * [taylor]: Taking taylor expansion of x in y
0.246 * [taylor]: Taking taylor expansion of (* 500 (/ 1 y)) in y
0.246 * [taylor]: Taking taylor expansion of 500 in y
0.246 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.246 * [taylor]: Taking taylor expansion of y in y
0.246 * [taylor]: Taking taylor expansion of (- (* 500 (/ 1 x)) (* 500 (/ 1 y))) in x
0.246 * [taylor]: Taking taylor expansion of (* 500 (/ 1 x)) in x
0.246 * [taylor]: Taking taylor expansion of 500 in x
0.246 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.246 * [taylor]: Taking taylor expansion of x in x
0.246 * [taylor]: Taking taylor expansion of (* 500 (/ 1 y)) in x
0.246 * [taylor]: Taking taylor expansion of 500 in x
0.246 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.246 * [taylor]: Taking taylor expansion of y in x
0.246 * [taylor]: Taking taylor expansion of (- (* 500 (/ 1 x)) (* 500 (/ 1 y))) in x
0.246 * [taylor]: Taking taylor expansion of (* 500 (/ 1 x)) in x
0.246 * [taylor]: Taking taylor expansion of 500 in x
0.246 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.246 * [taylor]: Taking taylor expansion of x in x
0.246 * [taylor]: Taking taylor expansion of (* 500 (/ 1 y)) in x
0.246 * [taylor]: Taking taylor expansion of 500 in x
0.246 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.246 * [taylor]: Taking taylor expansion of y in x
0.247 * [taylor]: Taking taylor expansion of 500 in y
0.248 * [taylor]: Taking taylor expansion of (neg (* 500 (/ 1 y))) in y
0.248 * [taylor]: Taking taylor expansion of (* 500 (/ 1 y)) in y
0.248 * [taylor]: Taking taylor expansion of 500 in y
0.248 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.248 * [taylor]: Taking taylor expansion of y in y
0.249 * [taylor]: Taking taylor expansion of 0 in y
0.251 * [taylor]: Taking taylor expansion of 0 in y
0.254 * [taylor]: Taking taylor expansion of 0 in y
0.256 * [approximate]: Taking taylor expansion of (- (* 500 (/ 1 y)) (* 500 (/ 1 x))) in (x y) around 0
0.256 * [taylor]: Taking taylor expansion of (- (* 500 (/ 1 y)) (* 500 (/ 1 x))) in y
0.256 * [taylor]: Taking taylor expansion of (* 500 (/ 1 y)) in y
0.256 * [taylor]: Taking taylor expansion of 500 in y
0.256 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.256 * [taylor]: Taking taylor expansion of y in y
0.256 * [taylor]: Taking taylor expansion of (* 500 (/ 1 x)) in y
0.256 * [taylor]: Taking taylor expansion of 500 in y
0.256 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.256 * [taylor]: Taking taylor expansion of x in y
0.256 * [taylor]: Taking taylor expansion of (- (* 500 (/ 1 y)) (* 500 (/ 1 x))) in x
0.256 * [taylor]: Taking taylor expansion of (* 500 (/ 1 y)) in x
0.256 * [taylor]: Taking taylor expansion of 500 in x
0.256 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.256 * [taylor]: Taking taylor expansion of y in x
0.256 * [taylor]: Taking taylor expansion of (* 500 (/ 1 x)) in x
0.256 * [taylor]: Taking taylor expansion of 500 in x
0.256 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.256 * [taylor]: Taking taylor expansion of x in x
0.256 * [taylor]: Taking taylor expansion of (- (* 500 (/ 1 y)) (* 500 (/ 1 x))) in x
0.256 * [taylor]: Taking taylor expansion of (* 500 (/ 1 y)) in x
0.256 * [taylor]: Taking taylor expansion of 500 in x
0.256 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.256 * [taylor]: Taking taylor expansion of y in x
0.256 * [taylor]: Taking taylor expansion of (* 500 (/ 1 x)) in x
0.256 * [taylor]: Taking taylor expansion of 500 in x
0.256 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.256 * [taylor]: Taking taylor expansion of x in x
0.257 * [taylor]: Taking taylor expansion of -500 in y
0.257 * [taylor]: Taking taylor expansion of (* 500 (/ 1 y)) in y
0.257 * [taylor]: Taking taylor expansion of 500 in y
0.257 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.257 * [taylor]: Taking taylor expansion of y in y
0.259 * [taylor]: Taking taylor expansion of 0 in y
0.263 * [taylor]: Taking taylor expansion of 0 in y
0.265 * [taylor]: Taking taylor expansion of 0 in y
0.267 * * * [progress]: simplifying candidates
0.267 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (*.f64 (exp.f64 (*.f64 500 x)) (exp.f64 (*.f64 y -500)))
  (exp.f64 (+.f64 (*.f64 500 x) (*.f64 y -500)))
  (log.f64 (+.f64 (*.f64 500 x) (*.f64 y -500)))
  (*.f64 (*.f64 (+.f64 (*.f64 500 x) (*.f64 y -500)) (+.f64 (*.f64 500 x) (*.f64 y -500))) (+.f64 (*.f64 500 x) (*.f64 y -500)))
  (*.f64 (cbrt.f64 (+.f64 (*.f64 500 x) (*.f64 y -500))) (cbrt.f64 (+.f64 (*.f64 500 x) (*.f64 y -500))))
  (cbrt.f64 (+.f64 (*.f64 500 x) (*.f64 y -500)))
  (sqrt.f64 (+.f64 (*.f64 500 x) (*.f64 y -500)))
  (sqrt.f64 (+.f64 (*.f64 500 x) (*.f64 y -500)))
  (+.f64 (pow.f64 (*.f64 500 x) 3) (pow.f64 (*.f64 y -500) 3))
  (+.f64 (*.f64 (*.f64 500 x) (*.f64 500 x)) (-.f64 (*.f64 (*.f64 y -500) (*.f64 y -500)) (*.f64 (*.f64 500 x) (*.f64 y -500))))
  (-.f64 (*.f64 (*.f64 500 x) (*.f64 500 x)) (*.f64 (*.f64 y -500) (*.f64 y -500)))
  (-.f64 (*.f64 500 x) (*.f64 y -500))
  (-.f64 (*.f64 500 x) (*.f64 500 y))
  (-.f64 (*.f64 500 x) (*.f64 500 y))
  (-.f64 (*.f64 500 x) (*.f64 500 y))
0.359 * * [simplify]: iteration  0 :  4858  enodes  (cost  157 )
0.359 * * [simplify]: iteration  1 :  4858  enodes  (cost  157 )
0.361 * [simplify]: Simplified to:
   (pow.f64 (exp.f64 500) (-.f64 x y))
  (pow.f64 (exp.f64 500) (-.f64 x y))
  (log.f64 (*.f64 500 (-.f64 x y)))
  (*.f64 125000000 (pow.f64 (-.f64 x y) 3))
  (*.f64 (cbrt.f64 (*.f64 500 (-.f64 x y))) (cbrt.f64 (*.f64 500 (-.f64 x y))))
  (cbrt.f64 (*.f64 500 (-.f64 x y)))
  (sqrt.f64 (*.f64 500 (-.f64 x y)))
  (sqrt.f64 (*.f64 500 (-.f64 x y)))
  (*.f64 125000000 (-.f64 (pow.f64 x 3) (pow.f64 y 3)))
  (+.f64 (*.f64 x (*.f64 x 250000)) (*.f64 (*.f64 y 250000) (+.f64 x y)))
  (*.f64 250000 (-.f64 (*.f64 x x) (*.f64 y y)))
  (*.f64 500 (+.f64 x y))
  (*.f64 500 (-.f64 x y))
  (*.f64 500 (-.f64 x y))
  (*.f64 500 (-.f64 x y))
0.361 * * * [progress]: adding candidates to table
0.368 * [progress]: [Phase 3 of 3] Extracting.
0.368 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (*.f64 500 (-.f64 x y)))> #<alt (λ (x y) (+.f64 (*.f64 500 x) (*.f64 y -500)))>)
0.368 * * * [regime-changes]: Trying 4 branch expressions: ((-.f64 x y) (*.f64 500 (-.f64 x y)) y x)
0.368 * * * * [regimes]: Trying to branch on (-.f64 x y) from (#<alt (λ (x y) (*.f64 500 (-.f64 x y)))> #<alt (λ (x y) (+.f64 (*.f64 500 x) (*.f64 y -500)))>)
0.375 * * * * [regimes]: Trying to branch on (*.f64 500 (-.f64 x y)) from (#<alt (λ (x y) (*.f64 500 (-.f64 x y)))> #<alt (λ (x y) (+.f64 (*.f64 500 x) (*.f64 y -500)))>)
0.382 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (*.f64 500 (-.f64 x y)))> #<alt (λ (x y) (+.f64 (*.f64 500 x) (*.f64 y -500)))>)
0.388 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (*.f64 500 (-.f64 x y)))> #<alt (λ (x y) (+.f64 (*.f64 500 x) (*.f64 y -500)))>)
0.395 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
0.395 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (*.f64 500 (-.f64 x y))
0.398 * * [simplify]: iteration  0 :  17  enodes  (cost  7 )
0.398 * * [simplify]: iteration  1 :  17  enodes  (cost  7 )
0.398 * [simplify]: Simplified to:
   (*.f64 500 (-.f64 x y))
0.718 * [regime-testing]: End program error score: 0.015876984623077885