12.273 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.016 * * * [progress]: [2/2] Setting up program.
0.017 * [progress]: [Phase 2 of 3] Improving.
0.018 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- x (* y y))
0.020 * * [simplify]: iteration  0 :  6  enodes  (cost  2 )
0.021 * * [simplify]: iteration  1 :  10  enodes  (cost  2 )
0.022 * * [simplify]: iteration  2 :  10  enodes  (cost  2 )
0.022 * [simplify]: Simplified to:
   (- x (* y y))
0.022 * * [progress]: iteration 1 / 4
0.022 * * * [progress]: picking best candidate
0.023 * * * * [pick]: Picked  #<alt (λ (x y) (- x (* y y)))>
0.023 * * * [progress]: localizing error
0.027 * * * [progress]: generating rewritten candidates
0.027 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.029 * * * [progress]: generating series expansions
0.029 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.029 * [approximate]: Taking taylor expansion of (- x (pow y 2)) in (x y) around 0
0.029 * [taylor]: Taking taylor expansion of (- x (pow y 2)) in y
0.029 * [taylor]: Taking taylor expansion of x in y
0.029 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.029 * [taylor]: Taking taylor expansion of y in y
0.029 * [taylor]: Taking taylor expansion of (- x (pow y 2)) in x
0.029 * [taylor]: Taking taylor expansion of x in x
0.029 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.029 * [taylor]: Taking taylor expansion of y in x
0.029 * [taylor]: Taking taylor expansion of (- x (pow y 2)) in x
0.029 * [taylor]: Taking taylor expansion of x in x
0.029 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.029 * [taylor]: Taking taylor expansion of y in x
0.029 * [taylor]: Taking taylor expansion of (- (pow y 2)) in y
0.029 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.029 * [taylor]: Taking taylor expansion of y in y
0.030 * [taylor]: Taking taylor expansion of 1 in y
0.031 * [taylor]: Taking taylor expansion of 0 in y
0.032 * [taylor]: Taking taylor expansion of 0 in y
0.034 * [taylor]: Taking taylor expansion of 0 in y
0.034 * [approximate]: Taking taylor expansion of (- (/ 1 x) (/ 1 (pow y 2))) in (x y) around 0
0.034 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 (pow y 2))) in y
0.034 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.034 * [taylor]: Taking taylor expansion of x 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
0.035 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 (pow y 2))) in x
0.035 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.035 * [taylor]: Taking taylor expansion of x in x
0.035 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.035 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.035 * [taylor]: Taking taylor expansion of y in x
0.035 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 (pow y 2))) in x
0.035 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.035 * [taylor]: Taking taylor expansion of x in x
0.036 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.036 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.036 * [taylor]: Taking taylor expansion of y in x
0.036 * [taylor]: Taking taylor expansion of 1 in y
0.037 * [taylor]: Taking taylor expansion of (- (/ 1 (pow y 2))) in y
0.037 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.037 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.037 * [taylor]: Taking taylor expansion of y in y
0.039 * [taylor]: Taking taylor expansion of 0 in y
0.041 * [taylor]: Taking taylor expansion of 0 in y
0.044 * [taylor]: Taking taylor expansion of 0 in y
0.047 * [taylor]: Taking taylor expansion of 0 in y
0.048 * [approximate]: Taking taylor expansion of (- (+ (/ 1 (pow y 2)) (/ 1 x))) in (x y) around 0
0.048 * [taylor]: Taking taylor expansion of (- (+ (/ 1 (pow y 2)) (/ 1 x))) in y
0.048 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow y 2)) (/ 1 x)) 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
0.048 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.048 * [taylor]: Taking taylor expansion of x in y
0.048 * [taylor]: Taking taylor expansion of (- (+ (/ 1 (pow y 2)) (/ 1 x))) in x
0.048 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow y 2)) (/ 1 x)) in x
0.048 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.048 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.049 * [taylor]: Taking taylor expansion of y in x
0.049 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.049 * [taylor]: Taking taylor expansion of x in x
0.049 * [taylor]: Taking taylor expansion of (- (+ (/ 1 (pow y 2)) (/ 1 x))) in x
0.049 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow y 2)) (/ 1 x)) in x
0.049 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.049 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.049 * [taylor]: Taking taylor expansion of y in x
0.049 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.049 * [taylor]: Taking taylor expansion of x in x
0.050 * [taylor]: Taking taylor expansion of -1 in y
0.051 * [taylor]: Taking taylor expansion of (- (/ 1 (pow y 2))) in y
0.051 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.051 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.051 * [taylor]: Taking taylor expansion of y 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
0.061 * [taylor]: Taking taylor expansion of 0 in y
0.062 * * * [progress]: simplifying candidates
0.062 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (exp x) (exp (* y y)))
  (log (- x (* y y)))
  (exp (- x (* y y)))
  (* (cbrt (- x (* y y))) (cbrt (- x (* y y))))
  (cbrt (- x (* y y)))
  (* (* (- x (* y y)) (- x (* y y))) (- x (* y y)))
  (sqrt (- x (* y y)))
  (sqrt (- x (* y y)))
  (- (pow x 3) (pow (* y y) 3))
  (+ (* x x) (+ (* (* y y) (* y y)) (* x (* y y))))
  (- (* 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))
0.064 * * [simplify]: iteration  0 :  76  enodes  (cost  64 )
0.066 * * [simplify]: iteration  1 :  239  enodes  (cost  59 )
0.070 * * [simplify]: iteration  2 :  647  enodes  (cost  58 )
0.083 * * [simplify]: iteration  3 :  2429  enodes  (cost  58 )
0.139 * * [simplify]: iteration  4 :  5003  enodes  (cost  58 )
0.140 * [simplify]: Simplified to:
   (exp (- x (* y y)))
  (log (- x (* y y)))
  (exp (- x (* y y)))
  (* (cbrt (- x (* y y))) (cbrt (- x (* y y))))
  (cbrt (- x (* y y)))
  (pow (- x (pow y 2)) 3)
  (sqrt (- x (* y y)))
  (sqrt (- x (* y y)))
  (- (pow x 3) (pow (* y y) 3))
  (+ (* x (+ x (* y y))) (pow y 4))
  (- (* 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))
0.140 * * * [progress]: adding candidates to table
0.166 * * [progress]: iteration 2 / 4
0.166 * * * [progress]: picking best candidate
0.168 * * * * [pick]: Picked  #<alt (λ (x y) (* (+ (sqrt x) y) (- (sqrt x) y)))>
0.168 * * * [progress]: localizing error
0.173 * * * [progress]: generating rewritten candidates
0.173 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.203 * * * [progress]: generating series expansions
0.203 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.204 * [approximate]: Taking taylor expansion of (* (- (sqrt x) y) (+ y (sqrt x))) in (x y) around 0
0.204 * [taylor]: Taking taylor expansion of (* (- (sqrt x) y) (+ y (sqrt x))) in y
0.204 * [taylor]: Taking taylor expansion of (- (sqrt x) y) in y
0.204 * [taylor]: Taking taylor expansion of (sqrt x) in y
0.204 * [taylor]: Taking taylor expansion of x in y
0.204 * [taylor]: Taking taylor expansion of y in y
0.204 * [taylor]: Taking taylor expansion of (+ y (sqrt x)) in y
0.204 * [taylor]: Taking taylor expansion of y in y
0.204 * [taylor]: Taking taylor expansion of (sqrt x) in y
0.204 * [taylor]: Taking taylor expansion of x in y
0.204 * [taylor]: Taking taylor expansion of (* (- (sqrt x) y) (+ y (sqrt x))) in x
0.204 * [taylor]: Taking taylor expansion of (- (sqrt x) y) in x
0.204 * [taylor]: Taking taylor expansion of (sqrt x) in x
0.204 * [taylor]: Taking taylor expansion of x in x
0.205 * [taylor]: Taking taylor expansion of y in x
0.205 * [taylor]: Taking taylor expansion of (+ y (sqrt x)) in x
0.205 * [taylor]: Taking taylor expansion of y in x
0.205 * [taylor]: Taking taylor expansion of (sqrt x) in x
0.205 * [taylor]: Taking taylor expansion of x in x
0.206 * [taylor]: Taking taylor expansion of (* (- (sqrt x) y) (+ y (sqrt x))) in x
0.206 * [taylor]: Taking taylor expansion of (- (sqrt x) y) in x
0.206 * [taylor]: Taking taylor expansion of (sqrt x) in x
0.206 * [taylor]: Taking taylor expansion of x in x
0.207 * [taylor]: Taking taylor expansion of y in x
0.207 * [taylor]: Taking taylor expansion of (+ y (sqrt x)) in x
0.207 * [taylor]: Taking taylor expansion of y in x
0.207 * [taylor]: Taking taylor expansion of (sqrt x) in x
0.207 * [taylor]: Taking taylor expansion of x in x
0.208 * [taylor]: Taking taylor expansion of (* -1 (pow y 2)) in y
0.208 * [taylor]: Taking taylor expansion of -1 in y
0.208 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.209 * [taylor]: Taking taylor expansion of y in y
0.210 * [taylor]: Taking taylor expansion of (- (* +nan.0 y)) in y
0.210 * [taylor]: Taking taylor expansion of (* +nan.0 y) in y
0.210 * [taylor]: Taking taylor expansion of +nan.0 in y
0.210 * [taylor]: Taking taylor expansion of y in y
0.218 * [taylor]: Taking taylor expansion of (- (+ (* +nan.0 y) (- +nan.0))) in y
0.218 * [taylor]: Taking taylor expansion of (+ (* +nan.0 y) (- +nan.0)) in y
0.218 * [taylor]: Taking taylor expansion of (* +nan.0 y) in y
0.218 * [taylor]: Taking taylor expansion of +nan.0 in y
0.218 * [taylor]: Taking taylor expansion of y in y
0.218 * [taylor]: Taking taylor expansion of (- +nan.0) in y
0.218 * [taylor]: Taking taylor expansion of +nan.0 in y
0.223 * [approximate]: Taking taylor expansion of (* (- (sqrt (/ 1 x)) (/ 1 y)) (+ (/ 1 y) (sqrt (/ 1 x)))) in (x y) around 0
0.223 * [taylor]: Taking taylor expansion of (* (- (sqrt (/ 1 x)) (/ 1 y)) (+ (/ 1 y) (sqrt (/ 1 x)))) in y
0.223 * [taylor]: Taking taylor expansion of (- (sqrt (/ 1 x)) (/ 1 y)) in y
0.223 * [taylor]: Taking taylor expansion of (sqrt (/ 1 x)) in y
0.223 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.223 * [taylor]: Taking taylor expansion of x in y
0.223 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.223 * [taylor]: Taking taylor expansion of y in y
0.223 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (sqrt (/ 1 x))) in y
0.223 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.223 * [taylor]: Taking taylor expansion of y in y
0.224 * [taylor]: Taking taylor expansion of (sqrt (/ 1 x)) in y
0.224 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.224 * [taylor]: Taking taylor expansion of x in y
0.224 * [taylor]: Taking taylor expansion of (* (- (sqrt (/ 1 x)) (/ 1 y)) (+ (/ 1 y) (sqrt (/ 1 x)))) in x
0.224 * [taylor]: Taking taylor expansion of (- (sqrt (/ 1 x)) (/ 1 y)) in x
0.224 * [taylor]: Taking taylor expansion of (sqrt (/ 1 x)) in x
0.224 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.224 * [taylor]: Taking taylor expansion of x in x
0.225 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.225 * [taylor]: Taking taylor expansion of y in x
0.225 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (sqrt (/ 1 x))) in x
0.225 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.225 * [taylor]: Taking taylor expansion of y in x
0.225 * [taylor]: Taking taylor expansion of (sqrt (/ 1 x)) in x
0.225 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.225 * [taylor]: Taking taylor expansion of x in x
0.227 * [taylor]: Taking taylor expansion of (* (- (sqrt (/ 1 x)) (/ 1 y)) (+ (/ 1 y) (sqrt (/ 1 x)))) in x
0.227 * [taylor]: Taking taylor expansion of (- (sqrt (/ 1 x)) (/ 1 y)) in x
0.227 * [taylor]: Taking taylor expansion of (sqrt (/ 1 x)) in x
0.227 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.227 * [taylor]: Taking taylor expansion of x in x
0.228 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.228 * [taylor]: Taking taylor expansion of y in x
0.228 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (sqrt (/ 1 x))) in x
0.228 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.228 * [taylor]: Taking taylor expansion of y in x
0.228 * [taylor]: Taking taylor expansion of (sqrt (/ 1 x)) in x
0.228 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.228 * [taylor]: Taking taylor expansion of x in x
0.230 * [taylor]: Taking taylor expansion of 0 in y
0.230 * [taylor]: Taking taylor expansion of 0 in y
0.236 * [taylor]: Taking taylor expansion of (- (+ (* +nan.0 (/ 1 y)) (- (/ 1 (pow y 2)) +nan.0))) in y
0.236 * [taylor]: Taking taylor expansion of (+ (* +nan.0 (/ 1 y)) (- (/ 1 (pow y 2)) +nan.0)) in y
0.236 * [taylor]: Taking taylor expansion of (* +nan.0 (/ 1 y)) in y
0.236 * [taylor]: Taking taylor expansion of +nan.0 in y
0.236 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.236 * [taylor]: Taking taylor expansion of y in y
0.237 * [taylor]: Taking taylor expansion of (- (/ 1 (pow y 2)) +nan.0) in y
0.237 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.237 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.237 * [taylor]: Taking taylor expansion of y in y
0.237 * [taylor]: Taking taylor expansion of +nan.0 in y
0.246 * [taylor]: Taking taylor expansion of (- (+ (* +nan.0 (/ 1 y)) (- +nan.0))) in y
0.246 * [taylor]: Taking taylor expansion of (+ (* +nan.0 (/ 1 y)) (- +nan.0)) in y
0.246 * [taylor]: Taking taylor expansion of (* +nan.0 (/ 1 y)) in y
0.246 * [taylor]: Taking taylor expansion of +nan.0 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 (- +nan.0) in y
0.246 * [taylor]: Taking taylor expansion of +nan.0 in y
0.257 * [taylor]: Taking taylor expansion of (- (+ (* +nan.0 (/ 1 y)) (- +nan.0))) in y
0.257 * [taylor]: Taking taylor expansion of (+ (* +nan.0 (/ 1 y)) (- +nan.0)) in y
0.258 * [taylor]: Taking taylor expansion of (* +nan.0 (/ 1 y)) in y
0.258 * [taylor]: Taking taylor expansion of +nan.0 in y
0.258 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.258 * [taylor]: Taking taylor expansion of y in y
0.258 * [taylor]: Taking taylor expansion of (- +nan.0) in y
0.258 * [taylor]: Taking taylor expansion of +nan.0 in y
0.260 * [approximate]: Taking taylor expansion of (* (+ (/ 1 y) (sqrt (/ -1 x))) (- (sqrt (/ -1 x)) (/ 1 y))) in (x y) around 0
0.260 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (sqrt (/ -1 x))) (- (sqrt (/ -1 x)) (/ 1 y))) in y
0.260 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (sqrt (/ -1 x))) in y
0.260 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.260 * [taylor]: Taking taylor expansion of y in y
0.260 * [taylor]: Taking taylor expansion of (sqrt (/ -1 x)) in y
0.260 * [taylor]: Taking taylor expansion of (/ -1 x) in y
0.260 * [taylor]: Taking taylor expansion of -1 in y
0.260 * [taylor]: Taking taylor expansion of x in y
0.260 * [taylor]: Taking taylor expansion of (- (sqrt (/ -1 x)) (/ 1 y)) in y
0.261 * [taylor]: Taking taylor expansion of (sqrt (/ -1 x)) in y
0.261 * [taylor]: Taking taylor expansion of (/ -1 x) in y
0.261 * [taylor]: Taking taylor expansion of -1 in y
0.261 * [taylor]: Taking taylor expansion of x in y
0.261 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.261 * [taylor]: Taking taylor expansion of y in y
0.261 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (sqrt (/ -1 x))) (- (sqrt (/ -1 x)) (/ 1 y))) in x
0.261 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (sqrt (/ -1 x))) in x
0.261 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.261 * [taylor]: Taking taylor expansion of y in x
0.261 * [taylor]: Taking taylor expansion of (sqrt (/ -1 x)) in x
0.261 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.261 * [taylor]: Taking taylor expansion of -1 in x
0.261 * [taylor]: Taking taylor expansion of x in x
0.262 * [taylor]: Taking taylor expansion of (- (sqrt (/ -1 x)) (/ 1 y)) in x
0.262 * [taylor]: Taking taylor expansion of (sqrt (/ -1 x)) in x
0.262 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.262 * [taylor]: Taking taylor expansion of -1 in x
0.262 * [taylor]: Taking taylor expansion of x in x
0.264 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.264 * [taylor]: Taking taylor expansion of y in x
0.264 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (sqrt (/ -1 x))) (- (sqrt (/ -1 x)) (/ 1 y))) in x
0.264 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (sqrt (/ -1 x))) in x
0.264 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.264 * [taylor]: Taking taylor expansion of y in x
0.264 * [taylor]: Taking taylor expansion of (sqrt (/ -1 x)) in x
0.264 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.264 * [taylor]: Taking taylor expansion of -1 in x
0.264 * [taylor]: Taking taylor expansion of x in x
0.265 * [taylor]: Taking taylor expansion of (- (sqrt (/ -1 x)) (/ 1 y)) in x
0.265 * [taylor]: Taking taylor expansion of (sqrt (/ -1 x)) in x
0.265 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.265 * [taylor]: Taking taylor expansion of -1 in x
0.265 * [taylor]: Taking taylor expansion of x in x
0.266 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.266 * [taylor]: Taking taylor expansion of y in x
0.267 * [taylor]: Taking taylor expansion of 0 in y
0.268 * [taylor]: Taking taylor expansion of 0 in y
0.274 * [taylor]: Taking taylor expansion of (- (+ (* +nan.0 (/ 1 y)) (- (/ 1 (pow y 2)) +nan.0))) in y
0.274 * [taylor]: Taking taylor expansion of (+ (* +nan.0 (/ 1 y)) (- (/ 1 (pow y 2)) +nan.0)) in y
0.274 * [taylor]: Taking taylor expansion of (* +nan.0 (/ 1 y)) in y
0.274 * [taylor]: Taking taylor expansion of +nan.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 (- (/ 1 (pow y 2)) +nan.0) in y
0.274 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.274 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.274 * [taylor]: Taking taylor expansion of y in y
0.274 * [taylor]: Taking taylor expansion of +nan.0 in y
0.283 * [taylor]: Taking taylor expansion of (- (+ (* +nan.0 (/ 1 y)) (- +nan.0))) in y
0.283 * [taylor]: Taking taylor expansion of (+ (* +nan.0 (/ 1 y)) (- +nan.0)) in y
0.283 * [taylor]: Taking taylor expansion of (* +nan.0 (/ 1 y)) in y
0.283 * [taylor]: Taking taylor expansion of +nan.0 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 (- +nan.0) in y
0.283 * [taylor]: Taking taylor expansion of +nan.0 in y
0.297 * [taylor]: Taking taylor expansion of (- (+ (* +nan.0 (/ 1 y)) (- +nan.0))) in y
0.298 * [taylor]: Taking taylor expansion of (+ (* +nan.0 (/ 1 y)) (- +nan.0)) in y
0.298 * [taylor]: Taking taylor expansion of (* +nan.0 (/ 1 y)) in y
0.298 * [taylor]: Taking taylor expansion of +nan.0 in y
0.298 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.298 * [taylor]: Taking taylor expansion of y in y
0.298 * [taylor]: Taking taylor expansion of (- +nan.0) in y
0.298 * [taylor]: Taking taylor expansion of +nan.0 in y
0.300 * * * [progress]: simplifying candidates
0.301 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* (+ (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))
  (- (+ (* +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))))))
0.304 * * [simplify]: iteration  0 :  239  enodes  (cost  294 )
0.309 * * [simplify]: iteration  1 :  1091  enodes  (cost  249 )
0.331 * * [simplify]: iteration  2 :  5001  enodes  (cost  239 )
0.332 * [simplify]: Simplified to:
   (- x (pow y 2))
  (log (- x (pow y 2)))
  (log (- x (pow y 2)))
  (exp (- x (pow y 2)))
  (pow (- x (pow y 2)) 3)
  (* (cbrt (* (+ (sqrt x) y) (- (sqrt x) y))) (cbrt (* (+ (sqrt x) y) (- (sqrt x) y))))
  (cbrt (* (+ (sqrt x) y) (- (sqrt x) y)))
  (pow (- x (pow y 2)) 3)
  (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)))
  (* (+ (* y (+ y (sqrt x))) x) (+ (* y (- y (sqrt x))) x))
  (* (+ (pow (sqrt x) 3) (pow y 3)) (- x (pow y 2)))
  (* (+ (sqrt x) y) (+ (* y (- y (sqrt x))) x))
  (* (- x (pow y 2)) (- (pow (sqrt x) 3) (pow y 3)))
  (* (+ (* y (+ y (sqrt x))) x) (- (sqrt x) y))
  (* (+ x (- (pow y 2))) (+ x (- (pow y 2))))
  (- x (pow y 2))
  (* (sqrt (+ (sqrt x) y)) (sqrt (- (sqrt x) y)))
  (* (sqrt (+ (sqrt x) y)) (sqrt (- (sqrt x) y)))
  (+ x (* (sqrt x) y))
  (* (- y) (+ (sqrt x) y))
  (+ x (* (sqrt x) y))
  (* (- y) (+ (sqrt x) y))
  (+ x (* (sqrt x) y))
  (* (- y) (+ (sqrt x) y))
  (+ 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)
  (* (+ (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 (pow y 2))
  (- x (pow y 2))
  (* (+ (sqrt x) y) (- (pow (sqrt x) 3) (pow y 3)))
  (* (- x (pow y 2)) (+ y (sqrt x)))
  (* (+ (pow (sqrt x) 3) (pow y 3)) (- (sqrt x) y))
  (* (- (sqrt x) y) (+ x (- (pow y 2))))
  (- (- (* +nan.0 (pow x 2))) (* y (- y (* +nan.0 x))))
  (+ (* +nan.0 (- (/ y x) y)) (- (pow y 2)))
  (+ (* +nan.0 (- (/ y x) y)) (- (pow y 2)))
0.332 * * * [progress]: adding candidates to table
0.398 * [progress]: [Phase 3 of 3] Extracting.
0.398 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (- x (* y y)))> #<alt (λ (x y) (* (+ (sqrt x) y) (- (sqrt x) y)))>)
0.398 * * * [regime-changes]: Trying 4 branch expressions: ((* y y) (- x (* y y)) y x)
0.398 * * * * [regimes]: Trying to branch on (* y y) from (#<alt (λ (x y) (- x (* y y)))> #<alt (λ (x y) (* (+ (sqrt x) y) (- (sqrt x) y)))>)
0.407 * * * * [regimes]: Trying to branch on (- x (* y y)) from (#<alt (λ (x y) (- x (* y y)))> #<alt (λ (x y) (* (+ (sqrt x) y) (- (sqrt x) y)))>)
0.417 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (- x (* y y)))> #<alt (λ (x y) (* (+ (sqrt x) y) (- (sqrt x) y)))>)
0.430 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (- x (* y y)))> #<alt (λ (x y) (* (+ (sqrt x) y) (- (sqrt x) y)))>)
0.440 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
0.440 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- x (* y y))
0.441 * * [simplify]: iteration  0 :  4  enodes  (cost  2 )
0.441 * [simplify]: Simplified to:
   (- x (* y y))
0.984 * [regime-testing]: Baseline error score: 0.003625453181647706
0.984 * [regime-testing]: Oracle error score: 0.002000250031253907
0.985 * [regime-testing]: End program error score: 0.003625453181647706