1.378 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.011 * * * [progress]: [2/2] Setting up program.
0.013 * [progress]: [Phase 2 of 3] Improving.
0.013 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (- x (* y y))
0.014 * * [simplify]: iteration  0 :  4  enodes  (cost  5 )
0.014 * * [simplify]: iteration  1 :  6  enodes  (cost  5 )
0.015 * * [simplify]: iteration  2 :  10  enodes  (cost  5 )
0.016 * * [simplify]: iteration  done :  10  enodes  (cost  5 )
0.016 * [simplify]: Simplified to:
   (- x (* y y))
0.016 * * [progress]: iteration 1 / 4
0.016 * * * [progress]: picking best candidate
0.018 * * * * [pick]: Picked  #<alt (λ (x y) (- x (* y y)))>
0.018 * * * [progress]: localizing error
0.024 * * * [progress]: generating rewritten candidates
0.024 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.026 * * * [progress]: generating series expansions
0.026 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.026 * [approximate]: Taking taylor expansion of (- x (pow y 2)) in (x y) around 0
0.026 * [taylor]: Taking taylor expansion of (- x (pow y 2)) in y
0.026 * [taylor]: Taking taylor expansion of x in y
0.026 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.026 * [taylor]: Taking taylor expansion of y in y
0.026 * [taylor]: Taking taylor expansion of (- x (pow y 2)) in x
0.026 * [taylor]: Taking taylor expansion of x in x
0.026 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.026 * [taylor]: Taking taylor expansion of y in x
0.026 * [taylor]: Taking taylor expansion of (- x (pow y 2)) in x
0.026 * [taylor]: Taking taylor expansion of x in x
0.026 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.026 * [taylor]: Taking taylor expansion of y in x
0.027 * [taylor]: Taking taylor expansion of (- (pow y 2)) in y
0.027 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.027 * [taylor]: Taking taylor expansion of y in y
0.027 * [taylor]: Taking taylor expansion of 1 in y
0.028 * [taylor]: Taking taylor expansion of 0 in y
0.030 * [taylor]: Taking taylor expansion of 0 in y
0.031 * [taylor]: Taking taylor expansion of 0 in y
0.032 * [approximate]: Taking taylor expansion of (- (/ 1 x) (/ 1 (pow y 2))) in (x y) around 0
0.032 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 (pow y 2))) in y
0.032 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.032 * [taylor]: Taking taylor expansion of x in y
0.032 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.032 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.032 * [taylor]: Taking taylor expansion of y in y
0.032 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 (pow y 2))) in x
0.032 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.032 * [taylor]: Taking taylor expansion of x in x
0.033 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.033 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.033 * [taylor]: Taking taylor expansion of y in x
0.033 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 (pow y 2))) in x
0.033 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.033 * [taylor]: Taking taylor expansion of x in x
0.033 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.033 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.033 * [taylor]: Taking taylor expansion of y in x
0.034 * [taylor]: Taking taylor expansion of 1 in y
0.034 * [taylor]: Taking taylor expansion of (- (/ 1 (pow y 2))) in y
0.034 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.034 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.034 * [taylor]: Taking taylor expansion of y in y
0.036 * [taylor]: Taking taylor expansion of 0 in y
0.039 * [taylor]: Taking taylor expansion of 0 in y
0.042 * [taylor]: Taking taylor expansion of 0 in y
0.045 * [taylor]: Taking taylor expansion of 0 in y
0.045 * [approximate]: Taking taylor expansion of (- (+ (/ 1 (pow y 2)) (/ 1 x))) in (x y) around 0
0.045 * [taylor]: Taking taylor expansion of (- (+ (/ 1 (pow y 2)) (/ 1 x))) in y
0.045 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow y 2)) (/ 1 x)) in y
0.045 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.045 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.045 * [taylor]: Taking taylor expansion of y in y
0.046 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.046 * [taylor]: Taking taylor expansion of x in y
0.046 * [taylor]: Taking taylor expansion of (- (+ (/ 1 (pow y 2)) (/ 1 x))) in x
0.046 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow y 2)) (/ 1 x)) in x
0.046 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.046 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.046 * [taylor]: Taking taylor expansion of y in x
0.046 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.046 * [taylor]: Taking taylor expansion of x in x
0.046 * [taylor]: Taking taylor expansion of (- (+ (/ 1 (pow y 2)) (/ 1 x))) in x
0.046 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow y 2)) (/ 1 x)) in x
0.047 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.047 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.047 * [taylor]: Taking taylor expansion of y in x
0.047 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.047 * [taylor]: Taking taylor expansion of x in x
0.047 * [taylor]: Taking taylor expansion of -1 in y
0.048 * [taylor]: Taking taylor expansion of (- (/ 1 (pow y 2))) in y
0.048 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.048 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.048 * [taylor]: Taking taylor expansion of y in y
0.050 * [taylor]: Taking taylor expansion of 0 in y
0.052 * [taylor]: Taking taylor expansion of 0 in y
0.055 * [taylor]: Taking taylor expansion of 0 in y
0.058 * [taylor]: Taking taylor expansion of 0 in y
0.059 * * * [progress]: simplifying candidates
0.059 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (/ (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))))
  (- (* y y))
  (- (* x x) (* (* y y) (* y y)))
  (+ x (* y y))
  (+ (sqrt x) y)
  (- (sqrt x) y)
  (- (* y y))
  (- x (pow y 2))
  (- x (pow y 2))
  (- x (pow y 2))
0.060 * * [simplify]: iteration  0 :  32  enodes  (cost  140 )
0.066 * * [simplify]: iteration  1 :  77  enodes  (cost  135 )
0.080 * * [simplify]: iteration  2 :  228  enodes  (cost  119 )
0.150 * * [simplify]: iteration  3 :  595  enodes  (cost  117 )
0.391 * * [simplify]: iteration  4 :  2007  enodes  (cost  117 )
1.220 * * [simplify]: iteration  done :  5001  enodes  (cost  117 )
1.220 * [simplify]: Simplified to:
   (exp (- x (pow y 2)))
  (log (- x (* y y)))
  (exp (- x (pow y 2)))
  (* (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 6))
  (+ (pow y 4) (* (+ x (* y y)) x))
  (- (* y y))
  (- (* x x) (pow y 4))
  (+ x (* y y))
  (+ (sqrt x) y)
  (- (sqrt x) y)
  (- (* y y))
  (- x (* y y))
  (- x (* y y))
  (- x (* y y))
1.222 * * * [progress]: adding candidates to table
1.247 * * [progress]: iteration 2 / 4
1.247 * * * [progress]: picking best candidate
1.248 * * * * [pick]: Picked  #<alt (λ (x y) (* (+ (sqrt x) y) (- (sqrt x) y)))>
1.248 * * * [progress]: localizing error
1.254 * * * [progress]: generating rewritten candidates
1.254 * * * * [progress]: [ 1 / 3 ] rewriting at (2)
1.287 * * * * [progress]: [ 2 / 3 ] rewriting at (2 2)
1.292 * * * * [progress]: [ 3 / 3 ] rewriting at (2 1)
1.298 * * * [progress]: generating series expansions
1.298 * * * * [progress]: [ 1 / 3 ] generating series at (2)
1.298 * [approximate]: Taking taylor expansion of (* (- (sqrt x) y) (+ y (sqrt x))) in (x y) around 0
1.298 * [taylor]: Taking taylor expansion of (* (- (sqrt x) y) (+ y (sqrt x))) in y
1.298 * [taylor]: Taking taylor expansion of (- (sqrt x) y) in y
1.298 * [taylor]: Taking taylor expansion of (sqrt x) in y
1.298 * [taylor]: Taking taylor expansion of x in y
1.298 * [taylor]: Taking taylor expansion of y in y
1.298 * [taylor]: Taking taylor expansion of (+ y (sqrt x)) in y
1.298 * [taylor]: Taking taylor expansion of y in y
1.298 * [taylor]: Taking taylor expansion of (sqrt x) in y
1.298 * [taylor]: Taking taylor expansion of x in y
1.298 * [taylor]: Taking taylor expansion of (* (- (sqrt x) y) (+ y (sqrt x))) in x
1.298 * [taylor]: Taking taylor expansion of (- (sqrt x) y) in x
1.298 * [taylor]: Taking taylor expansion of (sqrt x) in x
1.298 * [taylor]: Taking taylor expansion of x in x
1.300 * [taylor]: Taking taylor expansion of y in x
1.300 * [taylor]: Taking taylor expansion of (+ y (sqrt x)) in x
1.300 * [taylor]: Taking taylor expansion of y in x
1.300 * [taylor]: Taking taylor expansion of (sqrt x) in x
1.300 * [taylor]: Taking taylor expansion of x in x
1.301 * [taylor]: Taking taylor expansion of (* (- (sqrt x) y) (+ y (sqrt x))) in x
1.301 * [taylor]: Taking taylor expansion of (- (sqrt x) y) in x
1.301 * [taylor]: Taking taylor expansion of (sqrt x) in x
1.301 * [taylor]: Taking taylor expansion of x in x
1.302 * [taylor]: Taking taylor expansion of y in x
1.302 * [taylor]: Taking taylor expansion of (+ y (sqrt x)) in x
1.302 * [taylor]: Taking taylor expansion of y in x
1.302 * [taylor]: Taking taylor expansion of (sqrt x) in x
1.302 * [taylor]: Taking taylor expansion of x in x
1.303 * [taylor]: Taking taylor expansion of (* -1 (pow y 2)) in y
1.303 * [taylor]: Taking taylor expansion of -1 in y
1.303 * [taylor]: Taking taylor expansion of (pow y 2) in y
1.303 * [taylor]: Taking taylor expansion of y in y
1.305 * [taylor]: Taking taylor expansion of (- (* +nan.0 y)) in y
1.305 * [taylor]: Taking taylor expansion of (* +nan.0 y) in y
1.305 * [taylor]: Taking taylor expansion of +nan.0 in y
1.305 * [taylor]: Taking taylor expansion of y in y
1.311 * [taylor]: Taking taylor expansion of (- (+ (* +nan.0 y) (- +nan.0))) in y
1.311 * [taylor]: Taking taylor expansion of (+ (* +nan.0 y) (- +nan.0)) in y
1.311 * [taylor]: Taking taylor expansion of (* +nan.0 y) in y
1.311 * [taylor]: Taking taylor expansion of +nan.0 in y
1.311 * [taylor]: Taking taylor expansion of y in y
1.311 * [taylor]: Taking taylor expansion of (- +nan.0) in y
1.311 * [taylor]: Taking taylor expansion of +nan.0 in y
1.315 * [approximate]: Taking taylor expansion of (* (- (sqrt (/ 1 x)) (/ 1 y)) (+ (/ 1 y) (sqrt (/ 1 x)))) in (x y) around 0
1.315 * [taylor]: Taking taylor expansion of (* (- (sqrt (/ 1 x)) (/ 1 y)) (+ (/ 1 y) (sqrt (/ 1 x)))) in y
1.315 * [taylor]: Taking taylor expansion of (- (sqrt (/ 1 x)) (/ 1 y)) in y
1.315 * [taylor]: Taking taylor expansion of (sqrt (/ 1 x)) in y
1.315 * [taylor]: Taking taylor expansion of (/ 1 x) in y
1.316 * [taylor]: Taking taylor expansion of x in y
1.316 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.316 * [taylor]: Taking taylor expansion of y in y
1.316 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (sqrt (/ 1 x))) in y
1.316 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.316 * [taylor]: Taking taylor expansion of y in y
1.316 * [taylor]: Taking taylor expansion of (sqrt (/ 1 x)) in y
1.316 * [taylor]: Taking taylor expansion of (/ 1 x) in y
1.316 * [taylor]: Taking taylor expansion of x in y
1.316 * [taylor]: Taking taylor expansion of (* (- (sqrt (/ 1 x)) (/ 1 y)) (+ (/ 1 y) (sqrt (/ 1 x)))) in x
1.316 * [taylor]: Taking taylor expansion of (- (sqrt (/ 1 x)) (/ 1 y)) in x
1.316 * [taylor]: Taking taylor expansion of (sqrt (/ 1 x)) in x
1.317 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.317 * [taylor]: Taking taylor expansion of x in x
1.318 * [taylor]: Taking taylor expansion of (/ 1 y) in x
1.318 * [taylor]: Taking taylor expansion of y in x
1.318 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (sqrt (/ 1 x))) in x
1.318 * [taylor]: Taking taylor expansion of (/ 1 y) in x
1.318 * [taylor]: Taking taylor expansion of y in x
1.318 * [taylor]: Taking taylor expansion of (sqrt (/ 1 x)) in x
1.318 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.318 * [taylor]: Taking taylor expansion of x in x
1.319 * [taylor]: Taking taylor expansion of (* (- (sqrt (/ 1 x)) (/ 1 y)) (+ (/ 1 y) (sqrt (/ 1 x)))) in x
1.319 * [taylor]: Taking taylor expansion of (- (sqrt (/ 1 x)) (/ 1 y)) in x
1.319 * [taylor]: Taking taylor expansion of (sqrt (/ 1 x)) in x
1.319 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.319 * [taylor]: Taking taylor expansion of x in x
1.320 * [taylor]: Taking taylor expansion of (/ 1 y) in x
1.320 * [taylor]: Taking taylor expansion of y in x
1.320 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (sqrt (/ 1 x))) in x
1.321 * [taylor]: Taking taylor expansion of (/ 1 y) in x
1.321 * [taylor]: Taking taylor expansion of y in x
1.321 * [taylor]: Taking taylor expansion of (sqrt (/ 1 x)) in x
1.321 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.321 * [taylor]: Taking taylor expansion of x in x
1.322 * [taylor]: Taking taylor expansion of 0 in y
1.323 * [taylor]: Taking taylor expansion of 0 in y
1.330 * [taylor]: Taking taylor expansion of (- (+ (* +nan.0 (/ 1 y)) (- (/ 1 (pow y 2)) +nan.0))) in y
1.330 * [taylor]: Taking taylor expansion of (+ (* +nan.0 (/ 1 y)) (- (/ 1 (pow y 2)) +nan.0)) in y
1.330 * [taylor]: Taking taylor expansion of (* +nan.0 (/ 1 y)) in y
1.330 * [taylor]: Taking taylor expansion of +nan.0 in y
1.330 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.330 * [taylor]: Taking taylor expansion of y in y
1.330 * [taylor]: Taking taylor expansion of (- (/ 1 (pow y 2)) +nan.0) in y
1.330 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
1.330 * [taylor]: Taking taylor expansion of (pow y 2) in y
1.330 * [taylor]: Taking taylor expansion of y in y
1.331 * [taylor]: Taking taylor expansion of +nan.0 in y
1.339 * [taylor]: Taking taylor expansion of (- (+ (* +nan.0 (/ 1 y)) (- +nan.0))) in y
1.339 * [taylor]: Taking taylor expansion of (+ (* +nan.0 (/ 1 y)) (- +nan.0)) in y
1.339 * [taylor]: Taking taylor expansion of (* +nan.0 (/ 1 y)) in y
1.340 * [taylor]: Taking taylor expansion of +nan.0 in y
1.340 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.340 * [taylor]: Taking taylor expansion of y in y
1.340 * [taylor]: Taking taylor expansion of (- +nan.0) in y
1.340 * [taylor]: Taking taylor expansion of +nan.0 in y
1.351 * [taylor]: Taking taylor expansion of (- (+ (* +nan.0 (/ 1 y)) (- +nan.0))) in y
1.352 * [taylor]: Taking taylor expansion of (+ (* +nan.0 (/ 1 y)) (- +nan.0)) in y
1.352 * [taylor]: Taking taylor expansion of (* +nan.0 (/ 1 y)) in y
1.352 * [taylor]: Taking taylor expansion of +nan.0 in y
1.352 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.352 * [taylor]: Taking taylor expansion of y in y
1.352 * [taylor]: Taking taylor expansion of (- +nan.0) in y
1.352 * [taylor]: Taking taylor expansion of +nan.0 in y
1.354 * [approximate]: Taking taylor expansion of (* (+ (/ 1 y) (sqrt (/ -1 x))) (- (sqrt (/ -1 x)) (/ 1 y))) in (x y) around 0
1.354 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (sqrt (/ -1 x))) (- (sqrt (/ -1 x)) (/ 1 y))) in y
1.354 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (sqrt (/ -1 x))) in y
1.354 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.354 * [taylor]: Taking taylor expansion of y in y
1.354 * [taylor]: Taking taylor expansion of (sqrt (/ -1 x)) in y
1.354 * [taylor]: Taking taylor expansion of (/ -1 x) in y
1.354 * [taylor]: Taking taylor expansion of -1 in y
1.354 * [taylor]: Taking taylor expansion of x in y
1.355 * [taylor]: Taking taylor expansion of (- (sqrt (/ -1 x)) (/ 1 y)) in y
1.355 * [taylor]: Taking taylor expansion of (sqrt (/ -1 x)) in y
1.355 * [taylor]: Taking taylor expansion of (/ -1 x) in y
1.355 * [taylor]: Taking taylor expansion of -1 in y
1.355 * [taylor]: Taking taylor expansion of x in y
1.355 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.355 * [taylor]: Taking taylor expansion of y in y
1.355 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (sqrt (/ -1 x))) (- (sqrt (/ -1 x)) (/ 1 y))) in x
1.355 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (sqrt (/ -1 x))) in x
1.355 * [taylor]: Taking taylor expansion of (/ 1 y) in x
1.355 * [taylor]: Taking taylor expansion of y in x
1.355 * [taylor]: Taking taylor expansion of (sqrt (/ -1 x)) in x
1.355 * [taylor]: Taking taylor expansion of (/ -1 x) in x
1.355 * [taylor]: Taking taylor expansion of -1 in x
1.355 * [taylor]: Taking taylor expansion of x in x
1.357 * [taylor]: Taking taylor expansion of (- (sqrt (/ -1 x)) (/ 1 y)) in x
1.357 * [taylor]: Taking taylor expansion of (sqrt (/ -1 x)) in x
1.357 * [taylor]: Taking taylor expansion of (/ -1 x) in x
1.357 * [taylor]: Taking taylor expansion of -1 in x
1.357 * [taylor]: Taking taylor expansion of x in x
1.358 * [taylor]: Taking taylor expansion of (/ 1 y) in x
1.358 * [taylor]: Taking taylor expansion of y in x
1.358 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (sqrt (/ -1 x))) (- (sqrt (/ -1 x)) (/ 1 y))) in x
1.358 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (sqrt (/ -1 x))) in x
1.358 * [taylor]: Taking taylor expansion of (/ 1 y) in x
1.358 * [taylor]: Taking taylor expansion of y in x
1.358 * [taylor]: Taking taylor expansion of (sqrt (/ -1 x)) in x
1.358 * [taylor]: Taking taylor expansion of (/ -1 x) in x
1.358 * [taylor]: Taking taylor expansion of -1 in x
1.358 * [taylor]: Taking taylor expansion of x in x
1.359 * [taylor]: Taking taylor expansion of (- (sqrt (/ -1 x)) (/ 1 y)) in x
1.359 * [taylor]: Taking taylor expansion of (sqrt (/ -1 x)) in x
1.359 * [taylor]: Taking taylor expansion of (/ -1 x) in x
1.359 * [taylor]: Taking taylor expansion of -1 in x
1.359 * [taylor]: Taking taylor expansion of x in x
1.364 * [taylor]: Taking taylor expansion of (/ 1 y) in x
1.364 * [taylor]: Taking taylor expansion of y in x
1.365 * [taylor]: Taking taylor expansion of 0 in y
1.366 * [taylor]: Taking taylor expansion of 0 in y
1.372 * [taylor]: Taking taylor expansion of (- (+ (* +nan.0 (/ 1 y)) (- (/ 1 (pow y 2)) +nan.0))) in y
1.372 * [taylor]: Taking taylor expansion of (+ (* +nan.0 (/ 1 y)) (- (/ 1 (pow y 2)) +nan.0)) in y
1.372 * [taylor]: Taking taylor expansion of (* +nan.0 (/ 1 y)) in y
1.373 * [taylor]: Taking taylor expansion of +nan.0 in y
1.373 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.373 * [taylor]: Taking taylor expansion of y in y
1.373 * [taylor]: Taking taylor expansion of (- (/ 1 (pow y 2)) +nan.0) in y
1.373 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
1.373 * [taylor]: Taking taylor expansion of (pow y 2) in y
1.373 * [taylor]: Taking taylor expansion of y in y
1.373 * [taylor]: Taking taylor expansion of +nan.0 in y
1.383 * [taylor]: Taking taylor expansion of (- (+ (* +nan.0 (/ 1 y)) (- +nan.0))) in y
1.383 * [taylor]: Taking taylor expansion of (+ (* +nan.0 (/ 1 y)) (- +nan.0)) in y
1.383 * [taylor]: Taking taylor expansion of (* +nan.0 (/ 1 y)) in y
1.383 * [taylor]: Taking taylor expansion of +nan.0 in y
1.383 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.383 * [taylor]: Taking taylor expansion of y in y
1.383 * [taylor]: Taking taylor expansion of (- +nan.0) in y
1.383 * [taylor]: Taking taylor expansion of +nan.0 in y
1.395 * [taylor]: Taking taylor expansion of (- (+ (* +nan.0 (/ 1 y)) (- +nan.0))) in y
1.395 * [taylor]: Taking taylor expansion of (+ (* +nan.0 (/ 1 y)) (- +nan.0)) in y
1.395 * [taylor]: Taking taylor expansion of (* +nan.0 (/ 1 y)) in y
1.395 * [taylor]: Taking taylor expansion of +nan.0 in y
1.395 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.395 * [taylor]: Taking taylor expansion of y in y
1.395 * [taylor]: Taking taylor expansion of (- +nan.0) in y
1.395 * [taylor]: Taking taylor expansion of +nan.0 in y
1.398 * * * * [progress]: [ 2 / 3 ] generating series at (2 2)
1.398 * [approximate]: Taking taylor expansion of (- (sqrt x) y) in (x y) around 0
1.398 * [taylor]: Taking taylor expansion of (- (sqrt x) y) in y
1.398 * [taylor]: Taking taylor expansion of (sqrt x) in y
1.398 * [taylor]: Taking taylor expansion of x in y
1.398 * [taylor]: Taking taylor expansion of y in y
1.398 * [taylor]: Taking taylor expansion of (- (sqrt x) y) in x
1.398 * [taylor]: Taking taylor expansion of (sqrt x) in x
1.398 * [taylor]: Taking taylor expansion of x in x
1.399 * [taylor]: Taking taylor expansion of y in x
1.399 * [taylor]: Taking taylor expansion of (- (sqrt x) y) in x
1.399 * [taylor]: Taking taylor expansion of (sqrt x) in x
1.399 * [taylor]: Taking taylor expansion of x in x
1.400 * [taylor]: Taking taylor expansion of y in x
1.400 * [taylor]: Taking taylor expansion of (- y) in y
1.400 * [taylor]: Taking taylor expansion of y in y
1.401 * [taylor]: Taking taylor expansion of (- +nan.0) in y
1.401 * [taylor]: Taking taylor expansion of +nan.0 in y
1.404 * [taylor]: Taking taylor expansion of (- +nan.0) in y
1.404 * [taylor]: Taking taylor expansion of +nan.0 in y
1.405 * [approximate]: Taking taylor expansion of (- (sqrt (/ 1 x)) (/ 1 y)) in (x y) around 0
1.405 * [taylor]: Taking taylor expansion of (- (sqrt (/ 1 x)) (/ 1 y)) in y
1.405 * [taylor]: Taking taylor expansion of (sqrt (/ 1 x)) in y
1.405 * [taylor]: Taking taylor expansion of (/ 1 x) in y
1.405 * [taylor]: Taking taylor expansion of x in y
1.405 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.405 * [taylor]: Taking taylor expansion of y in y
1.406 * [taylor]: Taking taylor expansion of (- (sqrt (/ 1 x)) (/ 1 y)) in x
1.406 * [taylor]: Taking taylor expansion of (sqrt (/ 1 x)) in x
1.406 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.406 * [taylor]: Taking taylor expansion of x in x
1.407 * [taylor]: Taking taylor expansion of (/ 1 y) in x
1.407 * [taylor]: Taking taylor expansion of y in x
1.407 * [taylor]: Taking taylor expansion of (- (sqrt (/ 1 x)) (/ 1 y)) in x
1.407 * [taylor]: Taking taylor expansion of (sqrt (/ 1 x)) in x
1.407 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.407 * [taylor]: Taking taylor expansion of x in x
1.408 * [taylor]: Taking taylor expansion of (/ 1 y) in x
1.408 * [taylor]: Taking taylor expansion of y in x
1.409 * [taylor]: Taking taylor expansion of 0 in y
1.409 * [taylor]: Taking taylor expansion of (- (+ (/ 1 y) (- +nan.0))) in y
1.409 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (- +nan.0)) in y
1.409 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.409 * [taylor]: Taking taylor expansion of y in y
1.409 * [taylor]: Taking taylor expansion of (- +nan.0) in y
1.409 * [taylor]: Taking taylor expansion of +nan.0 in y
1.412 * [taylor]: Taking taylor expansion of (- +nan.0) in y
1.412 * [taylor]: Taking taylor expansion of +nan.0 in y
1.417 * [taylor]: Taking taylor expansion of (- +nan.0) in y
1.417 * [taylor]: Taking taylor expansion of +nan.0 in y
1.419 * [approximate]: Taking taylor expansion of (+ (/ 1 y) (sqrt (/ -1 x))) in (x y) around 0
1.419 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (sqrt (/ -1 x))) in y
1.419 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.419 * [taylor]: Taking taylor expansion of y in y
1.419 * [taylor]: Taking taylor expansion of (sqrt (/ -1 x)) in y
1.419 * [taylor]: Taking taylor expansion of (/ -1 x) in y
1.419 * [taylor]: Taking taylor expansion of -1 in y
1.419 * [taylor]: Taking taylor expansion of x in y
1.419 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (sqrt (/ -1 x))) in x
1.419 * [taylor]: Taking taylor expansion of (/ 1 y) in x
1.419 * [taylor]: Taking taylor expansion of y in x
1.419 * [taylor]: Taking taylor expansion of (sqrt (/ -1 x)) in x
1.419 * [taylor]: Taking taylor expansion of (/ -1 x) in x
1.419 * [taylor]: Taking taylor expansion of -1 in x
1.419 * [taylor]: Taking taylor expansion of x in x
1.421 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (sqrt (/ -1 x))) in x
1.421 * [taylor]: Taking taylor expansion of (/ 1 y) in x
1.421 * [taylor]: Taking taylor expansion of y in x
1.421 * [taylor]: Taking taylor expansion of (sqrt (/ -1 x)) in x
1.421 * [taylor]: Taking taylor expansion of (/ -1 x) in x
1.421 * [taylor]: Taking taylor expansion of -1 in x
1.421 * [taylor]: Taking taylor expansion of x in x
1.422 * [taylor]: Taking taylor expansion of 0 in y
1.422 * [taylor]: Taking taylor expansion of (- (/ 1 y) +nan.0) in y
1.422 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.423 * [taylor]: Taking taylor expansion of y in y
1.423 * [taylor]: Taking taylor expansion of +nan.0 in y
1.426 * [taylor]: Taking taylor expansion of (- +nan.0) in y
1.426 * [taylor]: Taking taylor expansion of +nan.0 in y
1.430 * [taylor]: Taking taylor expansion of (- +nan.0) in y
1.431 * [taylor]: Taking taylor expansion of +nan.0 in y
1.432 * * * * [progress]: [ 3 / 3 ] generating series at (2 1)
1.432 * [approximate]: Taking taylor expansion of (+ y (sqrt x)) in (x y) around 0
1.432 * [taylor]: Taking taylor expansion of (+ y (sqrt x)) in y
1.432 * [taylor]: Taking taylor expansion of y in y
1.432 * [taylor]: Taking taylor expansion of (sqrt x) in y
1.432 * [taylor]: Taking taylor expansion of x in y
1.432 * [taylor]: Taking taylor expansion of (+ y (sqrt x)) in x
1.432 * [taylor]: Taking taylor expansion of y in x
1.432 * [taylor]: Taking taylor expansion of (sqrt x) in x
1.432 * [taylor]: Taking taylor expansion of x in x
1.433 * [taylor]: Taking taylor expansion of (+ y (sqrt x)) in x
1.433 * [taylor]: Taking taylor expansion of y in x
1.433 * [taylor]: Taking taylor expansion of (sqrt x) in x
1.433 * [taylor]: Taking taylor expansion of x in x
1.434 * [taylor]: Taking taylor expansion of y in y
1.434 * [taylor]: Taking taylor expansion of (- +nan.0) in y
1.435 * [taylor]: Taking taylor expansion of +nan.0 in y
1.437 * [taylor]: Taking taylor expansion of (- +nan.0) in y
1.437 * [taylor]: Taking taylor expansion of +nan.0 in y
1.438 * [approximate]: Taking taylor expansion of (+ (/ 1 y) (sqrt (/ 1 x))) in (x y) around 0
1.438 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (sqrt (/ 1 x))) in y
1.438 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.438 * [taylor]: Taking taylor expansion of y in y
1.439 * [taylor]: Taking taylor expansion of (sqrt (/ 1 x)) in y
1.439 * [taylor]: Taking taylor expansion of (/ 1 x) in y
1.439 * [taylor]: Taking taylor expansion of x in y
1.439 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (sqrt (/ 1 x))) in x
1.439 * [taylor]: Taking taylor expansion of (/ 1 y) in x
1.439 * [taylor]: Taking taylor expansion of y in x
1.439 * [taylor]: Taking taylor expansion of (sqrt (/ 1 x)) in x
1.439 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.439 * [taylor]: Taking taylor expansion of x in x
1.440 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (sqrt (/ 1 x))) in x
1.440 * [taylor]: Taking taylor expansion of (/ 1 y) in x
1.440 * [taylor]: Taking taylor expansion of y in x
1.440 * [taylor]: Taking taylor expansion of (sqrt (/ 1 x)) in x
1.440 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.440 * [taylor]: Taking taylor expansion of x in x
1.442 * [taylor]: Taking taylor expansion of 0 in y
1.442 * [taylor]: Taking taylor expansion of (- (/ 1 y) +nan.0) in y
1.442 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.442 * [taylor]: Taking taylor expansion of y in y
1.442 * [taylor]: Taking taylor expansion of +nan.0 in y
1.445 * [taylor]: Taking taylor expansion of (- +nan.0) in y
1.445 * [taylor]: Taking taylor expansion of +nan.0 in y
1.452 * [taylor]: Taking taylor expansion of (- +nan.0) in y
1.452 * [taylor]: Taking taylor expansion of +nan.0 in y
1.454 * [approximate]: Taking taylor expansion of (- (sqrt (/ -1 x)) (/ 1 y)) in (x y) around 0
1.454 * [taylor]: Taking taylor expansion of (- (sqrt (/ -1 x)) (/ 1 y)) in y
1.454 * [taylor]: Taking taylor expansion of (sqrt (/ -1 x)) in y
1.454 * [taylor]: Taking taylor expansion of (/ -1 x) in y
1.454 * [taylor]: Taking taylor expansion of -1 in y
1.454 * [taylor]: Taking taylor expansion of x in y
1.454 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.454 * [taylor]: Taking taylor expansion of y in y
1.454 * [taylor]: Taking taylor expansion of (- (sqrt (/ -1 x)) (/ 1 y)) in x
1.454 * [taylor]: Taking taylor expansion of (sqrt (/ -1 x)) in x
1.454 * [taylor]: Taking taylor expansion of (/ -1 x) in x
1.454 * [taylor]: Taking taylor expansion of -1 in x
1.454 * [taylor]: Taking taylor expansion of x in x
1.456 * [taylor]: Taking taylor expansion of (/ 1 y) in x
1.456 * [taylor]: Taking taylor expansion of y in x
1.456 * [taylor]: Taking taylor expansion of (- (sqrt (/ -1 x)) (/ 1 y)) in x
1.456 * [taylor]: Taking taylor expansion of (sqrt (/ -1 x)) in x
1.456 * [taylor]: Taking taylor expansion of (/ -1 x) in x
1.456 * [taylor]: Taking taylor expansion of -1 in x
1.456 * [taylor]: Taking taylor expansion of x in x
1.457 * [taylor]: Taking taylor expansion of (/ 1 y) in x
1.457 * [taylor]: Taking taylor expansion of y in x
1.457 * [taylor]: Taking taylor expansion of 0 in y
1.458 * [taylor]: Taking taylor expansion of (- (+ (/ 1 y) (- +nan.0))) in y
1.458 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (- +nan.0)) in y
1.458 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.458 * [taylor]: Taking taylor expansion of y in y
1.458 * [taylor]: Taking taylor expansion of (- +nan.0) in y
1.458 * [taylor]: Taking taylor expansion of +nan.0 in y
1.461 * [taylor]: Taking taylor expansion of (- +nan.0) in y
1.461 * [taylor]: Taking taylor expansion of +nan.0 in y
1.466 * [taylor]: Taking taylor expansion of (- +nan.0) in y
1.466 * [taylor]: Taking taylor expansion of +nan.0 in y
1.468 * * * [progress]: simplifying candidates
1.468 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (* (+ (sqrt x) y) (- (sqrt x) y))
  (+ (log (+ (sqrt x) y)) (log (- (sqrt x) y)))
  (log (* (+ (sqrt x) y) (- (sqrt x) y)))
  (exp (* (+ (sqrt x) y) (- (sqrt x) y)))
  (* (* (* (+ (sqrt x) y) (+ (sqrt x) y)) (+ (sqrt x) y)) (* (* (- (sqrt x) y) (- (sqrt x) y)) (- (sqrt x) y)))
  (* (cbrt (* (+ (sqrt x) y) (- (sqrt x) y))) (cbrt (* (+ (sqrt x) y) (- (sqrt x) y))))
  (cbrt (* (+ (sqrt x) y) (- (sqrt x) y)))
  (* (* (* (+ (sqrt x) y) (- (sqrt x) y)) (* (+ (sqrt x) y) (- (sqrt x) y))) (* (+ (sqrt x) y) (- (sqrt x) y)))
  (sqrt (* (+ (sqrt x) y) (- (sqrt x) y)))
  (sqrt (* (+ (sqrt x) y) (- (sqrt x) y)))
  (* (+ (pow (sqrt x) 3) (pow y 3)) (- (pow (sqrt x) 3) (pow y 3)))
  (* (+ (* (sqrt x) (sqrt x)) (- (* y y) (* (sqrt x) y))) (+ (* (sqrt x) (sqrt x)) (+ (* y y) (* (sqrt x) y))))
  (* (+ (pow (sqrt x) 3) (pow y 3)) (- (* (sqrt x) (sqrt x)) (* y y)))
  (* (+ (* (sqrt x) (sqrt x)) (- (* y y) (* (sqrt x) y))) (+ (sqrt x) y))
  (* (- (* (sqrt x) (sqrt x)) (* y y)) (- (pow (sqrt x) 3) (pow y 3)))
  (* (- (sqrt x) y) (+ (* (sqrt x) (sqrt x)) (+ (* y y) (* (sqrt x) y))))
  (* (- (* (sqrt x) (sqrt x)) (* y y)) (- (* (sqrt x) (sqrt x)) (* y y)))
  (* (- (sqrt x) y) (+ (sqrt x) y))
  (* (sqrt (+ (sqrt x) y)) (sqrt (- (sqrt x) y)))
  (* (sqrt (+ (sqrt x) y)) (sqrt (- (sqrt x) y)))
  (* (+ (sqrt x) y) (sqrt x))
  (* (+ (sqrt x) y) (- y))
  (* (+ (sqrt x) y) (sqrt x))
  (* (+ (sqrt x) y) (- y))
  (* (sqrt x) (+ (sqrt x) y))
  (* (- y) (+ (sqrt x) y))
  (* (sqrt x) (+ (sqrt x) y))
  (* (- y) (+ (sqrt x) y))
  (* (+ (sqrt x) y) (* (cbrt (- (sqrt x) y)) (cbrt (- (sqrt x) y))))
  (* (+ (sqrt x) y) (sqrt (- (sqrt x) y)))
  (* (+ (sqrt x) y) 1)
  (* (+ (sqrt x) y) (+ (sqrt (sqrt x)) (sqrt y)))
  (* (+ (sqrt x) y) (+ (sqrt (sqrt x)) (sqrt y)))
  (* (+ (sqrt x) y) 1)
  (* (cbrt (+ (sqrt x) y)) (- (sqrt x) y))
  (* (sqrt (+ (sqrt x) y)) (- (sqrt x) y))
  (* (+ (sqrt x) y) (- (sqrt x) y))
  (* (+ (sqrt x) y) (- (sqrt x) y))
  (* (+ (sqrt x) y) (- (pow (sqrt x) 3) (pow y 3)))
  (* (+ (sqrt x) y) (- (* (sqrt x) (sqrt x)) (* y y)))
  (* (+ (pow (sqrt x) 3) (pow y 3)) (- (sqrt x) y))
  (* (- (* (sqrt x) (sqrt x)) (* y y)) (- (sqrt x) y))
  (/ (exp (sqrt x)) (exp y))
  (log (- (sqrt x) y))
  (exp (- (sqrt x) y))
  (* (cbrt (- (sqrt x) y)) (cbrt (- (sqrt x) y)))
  (cbrt (- (sqrt x) y))
  (* (* (- (sqrt x) y) (- (sqrt x) y)) (- (sqrt x) y))
  (sqrt (- (sqrt x) y))
  (sqrt (- (sqrt x) y))
  (- (pow (sqrt x) 3) (pow y 3))
  (+ (* (sqrt x) (sqrt x)) (+ (* y y) (* (sqrt x) y)))
  (- y)
  (- (* (sqrt x) (sqrt x)) (* y y))
  (+ (sqrt x) y)
  (+ (sqrt (sqrt x)) (sqrt y))
  (- (sqrt (sqrt x)) (sqrt y))
  (+ (sqrt (sqrt x)) (sqrt y))
  (- (sqrt (sqrt x)) (sqrt y))
  (- (sqrt x) y)
  (- y)
  (* (exp (sqrt x)) (exp y))
  (log (+ (sqrt x) y))
  (exp (+ (sqrt x) y))
  (* (cbrt (+ (sqrt x) y)) (cbrt (+ (sqrt x) y)))
  (cbrt (+ (sqrt x) y))
  (* (* (+ (sqrt x) y) (+ (sqrt x) y)) (+ (sqrt x) y))
  (sqrt (+ (sqrt x) y))
  (sqrt (+ (sqrt x) y))
  (+ (pow (sqrt x) 3) (pow y 3))
  (+ (* (sqrt x) (sqrt x)) (- (* y y) (* (sqrt x) y)))
  (- (* (sqrt x) (sqrt x)) (* y y))
  (- (sqrt x) y)
  (+ (sqrt x) y)
  (- (+ (* +nan.0 (pow x 2)) (- (pow y 2) (* +nan.0 (* x y)))))
  (- (+ (pow y 2) (- (+ (* +nan.0 (/ y x)) (- (* +nan.0 y))))))
  (- (+ (pow y 2) (- (+ (* +nan.0 (/ y x)) (- (* +nan.0 y))))))
  (- (+ (* +nan.0 (pow x 2)) (- y (* +nan.0 x))))
  (- (+ +nan.0 (- y (* +nan.0 (/ 1 x)))))
  (- (+ +nan.0 (- y (* +nan.0 (/ 1 x)))))
  (- y (+ (* +nan.0 (pow x 2)) (- (* +nan.0 x))))
  (- y (+ +nan.0 (- (* +nan.0 (/ 1 x)))))
  (- y (+ +nan.0 (- (* +nan.0 (/ 1 x)))))
1.472 * * [simplify]: iteration  0 :  108  enodes  (cost  857 )
1.490 * * [simplify]: iteration  1 :  298  enodes  (cost  711 )
1.552 * * [simplify]: iteration  2 :  1114  enodes  (cost  645 )
1.904 * * [simplify]: iteration  done :  5000  enodes  (cost  641 )
1.905 * [simplify]: Simplified to:
   (- x (* y y))
  (log (- x (* y y)))
  (log (- x (* y y)))
  (exp (- x (* y y)))
  (pow (- x (* y y)) 3)
  (* (cbrt (- x (pow y 2))) (cbrt (- x (pow y 2))))
  (cbrt (- x (pow y 2)))
  (pow (- x (* y y)) 3)
  (sqrt (- x (pow y 2)))
  (sqrt (- x (pow y 2)))
  (* (+ (pow (sqrt x) 3) (pow y 3)) (- (pow (sqrt x) 3) (pow y 3)))
  (* (+ (* y (- y (sqrt x))) x) (+ (* y (+ (sqrt x) y)) x))
  (* (- x (* y y)) (+ (pow (sqrt x) 3) (pow y 3)))
  (* (+ (* y (- y (sqrt x))) x) (+ (sqrt x) y))
  (* (- x (pow y 2)) (- (pow (sqrt x) 3) (pow y 3)))
  (* (+ (* y (+ (sqrt x) y)) x) (- (sqrt x) y))
  (* (- x (* y y)) (- x (* y y)))
  (- x (* y y))
  (* (sqrt (+ (sqrt x) y)) (sqrt (- (sqrt x) y)))
  (* (sqrt (+ (sqrt x) y)) (sqrt (- (sqrt x) y)))
  (+ x (* (sqrt x) y))
  (* (+ (sqrt x) y) (- y))
  (+ x (* (sqrt x) y))
  (* (+ (sqrt x) y) (- y))
  (+ x (* (sqrt x) y))
  (* (+ (sqrt x) y) (- y))
  (+ x (* (sqrt x) y))
  (* (+ (sqrt x) y) (- y))
  (* (+ (sqrt x) y) (* (cbrt (- (sqrt x) y)) (cbrt (- (sqrt x) y))))
  (* (+ (sqrt x) y) (sqrt (- (sqrt x) y)))
  (+ (sqrt x) y)
  (* (+ (sqrt x) y) (+ (sqrt (sqrt x)) (sqrt y)))
  (* (+ (sqrt x) y) (+ (sqrt (sqrt x)) (sqrt y)))
  (+ (sqrt x) y)
  (* (cbrt (+ (sqrt x) y)) (- (sqrt x) y))
  (* (sqrt (+ (sqrt x) y)) (- (sqrt x) y))
  (- x (* y y))
  (- x (* y y))
  (* (+ (sqrt x) y) (- (pow (sqrt x) 3) (pow y 3)))
  (* (- x (pow y 2)) (+ (sqrt x) y))
  (* (+ (pow (sqrt x) 3) (pow y 3)) (- (sqrt x) y))
  (* (- (sqrt x) y) (- x (* y y)))
  (exp (- (sqrt x) y))
  (log (- (sqrt x) y))
  (exp (- (sqrt x) y))
  (* (cbrt (- (sqrt x) y)) (cbrt (- (sqrt x) y)))
  (cbrt (- (sqrt x) y))
  (pow (- (sqrt x) y) 3)
  (sqrt (- (sqrt x) y))
  (sqrt (- (sqrt x) y))
  (- (pow (sqrt x) 3) (pow y 3))
  (+ (* y (+ (sqrt x) y)) x)
  (- y)
  (- x (* y y))
  (+ (sqrt x) y)
  (+ (sqrt (sqrt x)) (sqrt y))
  (- (sqrt (sqrt x)) (sqrt y))
  (+ (sqrt (sqrt x)) (sqrt y))
  (- (sqrt (sqrt x)) (sqrt y))
  (- (sqrt x) y)
  (- y)
  (exp (+ (sqrt x) y))
  (log (+ (sqrt x) y))
  (exp (+ (sqrt x) y))
  (* (cbrt (+ (sqrt x) y)) (cbrt (+ (sqrt x) y)))
  (cbrt (+ (sqrt x) y))
  (pow (+ (sqrt x) y) 3)
  (sqrt (+ (sqrt x) y))
  (sqrt (+ (sqrt x) y))
  (+ (pow (sqrt x) 3) (pow y 3))
  (+ (* y (- y (sqrt x))) x)
  (- x (* y y))
  (- (sqrt x) y)
  (+ (sqrt x) y)
  (- (- (* y y) (* (* +nan.0 x) (- y x))))
  (- (* +nan.0 (- (/ y x) y)) (* y y))
  (- (* +nan.0 (- (/ y x) y)) (* y y))
  (- (+ y (* +nan.0 (- (pow x 2) x))))
  (- (- +nan.0) (- y (/ +nan.0 x)))
  (- (- +nan.0) (- y (/ +nan.0 x)))
  (- y (* +nan.0 (- (pow x 2) x)))
  (+ (- y +nan.0) (/ +nan.0 x))
  (+ (- y +nan.0) (/ +nan.0 x))
1.905 * * * [progress]: adding candidates to table
2.035 * [progress]: [Phase 3 of 3] Extracting.
2.035 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (* (+ (sqrt x) y) (- (sqrt x) y)))> #<alt (λ (x y) (- x (* y y)))>)
2.036 * * * [regime-changes]: Trying 4 branch expressions: ((* y y) (- x (* y y)) y x)
2.036 * * * * [regimes]: Trying to branch on (* y y) from (#<alt (λ (x y) (* (+ (sqrt x) y) (- (sqrt x) y)))> #<alt (λ (x y) (- x (* y y)))>)
2.046 * * * * [regimes]: Trying to branch on (- x (* y y)) from (#<alt (λ (x y) (* (+ (sqrt x) y) (- (sqrt x) y)))> #<alt (λ (x y) (- x (* y y)))>)
2.056 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (* (+ (sqrt x) y) (- (sqrt x) y)))> #<alt (λ (x y) (- x (* y y)))>)
2.069 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (* (+ (sqrt x) y) (- (sqrt x) y)))> #<alt (λ (x y) (- x (* y y)))>)
2.080 * * * [regime]: Found split indices: #<option (#s(si 1 255))>
2.080 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (- x (* y y))
2.080 * * [simplify]: iteration  0 :  4  enodes  (cost  5 )
2.080 * * [simplify]: iteration  done :  4  enodes  (cost  5 )
2.080 * [simplify]: Simplified to:
   (- x (* y y))
2.468 * [regime-testing]: Baseline error score: 0.005250656332041505
2.469 * [regime-testing]: Oracle error score: 0.0023752969121140144
2.469 * [regime-testing]: End program error score: 0.005250656332041505