9.523 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.030 * * * [progress]: [2/2] Setting up program.
0.031 * [progress]: [Phase 2 of 3] Improving.
0.032 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* 2.0 (- (* x x) (* x y)))
0.034 * * [simplify]: iteration  0 :  13  enodes  (cost  3 )
0.035 * * [simplify]: iteration  1 :  32  enodes  (cost  3 )
0.037 * * [simplify]: iteration  2 :  66  enodes  (cost  3 )
0.038 * * [simplify]: iteration  3 :  92  enodes  (cost  3 )
0.040 * * [simplify]: iteration  4 :  100  enodes  (cost  3 )
0.042 * * [simplify]: iteration  5 :  100  enodes  (cost  3 )
0.042 * [simplify]: Simplified to:
   (* (* x (- x y)) 2.0)
0.044 * * [progress]: iteration 1 / 4
0.044 * * * [progress]: picking best candidate
0.046 * * * * [pick]: Picked  #<alt (λ (x y) (* (* x (- x y)) 2.0))>
0.046 * * * [progress]: localizing error
0.051 * * * [progress]: generating rewritten candidates
0.051 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1)
0.062 * * * [progress]: generating series expansions
0.062 * * * * [progress]: [ 1 / 1 ] generating series at (2 1)
0.062 * [approximate]: Taking taylor expansion of (* x (- x y)) in (x y) around 0
0.062 * [taylor]: Taking taylor expansion of (* x (- x y)) in y
0.062 * [taylor]: Taking taylor expansion of x in y
0.062 * [taylor]: Taking taylor expansion of (- x y) in y
0.062 * [taylor]: Taking taylor expansion of x in y
0.062 * [taylor]: Taking taylor expansion of y in y
0.062 * [taylor]: Taking taylor expansion of (* x (- x y)) in x
0.062 * [taylor]: Taking taylor expansion of x in x
0.062 * [taylor]: Taking taylor expansion of (- x y) in x
0.062 * [taylor]: Taking taylor expansion of x in x
0.062 * [taylor]: Taking taylor expansion of y in x
0.062 * [taylor]: Taking taylor expansion of (* x (- x y)) in x
0.062 * [taylor]: Taking taylor expansion of x in x
0.062 * [taylor]: Taking taylor expansion of (- x y) in x
0.062 * [taylor]: Taking taylor expansion of x in x
0.062 * [taylor]: Taking taylor expansion of y in x
0.063 * [taylor]: Taking taylor expansion of 0 in y
0.064 * [taylor]: Taking taylor expansion of (- y) in y
0.064 * [taylor]: Taking taylor expansion of y in y
0.065 * [taylor]: Taking taylor expansion of 1 in y
0.066 * [taylor]: Taking taylor expansion of 0 in y
0.068 * [taylor]: Taking taylor expansion of 0 in y
0.069 * [approximate]: Taking taylor expansion of (/ (- (/ 1 x) (/ 1 y)) x) in (x y) around 0
0.069 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) (/ 1 y)) x) in y
0.069 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
0.069 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.069 * [taylor]: Taking taylor expansion of x in y
0.069 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.069 * [taylor]: Taking taylor expansion of y in y
0.069 * [taylor]: Taking taylor expansion of x in y
0.070 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) (/ 1 y)) x) in x
0.070 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.070 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.070 * [taylor]: Taking taylor expansion of x in x
0.070 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.070 * [taylor]: Taking taylor expansion of y in x
0.070 * [taylor]: Taking taylor expansion of x in x
0.071 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) (/ 1 y)) x) in x
0.071 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.071 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.071 * [taylor]: Taking taylor expansion of x in x
0.071 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.071 * [taylor]: Taking taylor expansion of y in x
0.071 * [taylor]: Taking taylor expansion of x in x
0.075 * [taylor]: Taking taylor expansion of 1 in y
0.076 * [taylor]: Taking taylor expansion of (- (/ 1 y)) in y
0.076 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.076 * [taylor]: Taking taylor expansion of y in y
0.078 * [taylor]: Taking taylor expansion of 0 in y
0.081 * [taylor]: Taking taylor expansion of 0 in y
0.084 * [taylor]: Taking taylor expansion of 0 in y
0.085 * [approximate]: Taking taylor expansion of (* -1 (/ (- (/ 1 y) (/ 1 x)) x)) in (x y) around 0
0.085 * [taylor]: Taking taylor expansion of (* -1 (/ (- (/ 1 y) (/ 1 x)) x)) in y
0.085 * [taylor]: Taking taylor expansion of -1 in y
0.085 * [taylor]: Taking taylor expansion of (/ (- (/ 1 y) (/ 1 x)) x) in y
0.085 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
0.085 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.085 * [taylor]: Taking taylor expansion of y in y
0.085 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.085 * [taylor]: Taking taylor expansion of x in y
0.085 * [taylor]: Taking taylor expansion of x in y
0.085 * [taylor]: Taking taylor expansion of (* -1 (/ (- (/ 1 y) (/ 1 x)) x)) in x
0.085 * [taylor]: Taking taylor expansion of -1 in x
0.086 * [taylor]: Taking taylor expansion of (/ (- (/ 1 y) (/ 1 x)) x) in x
0.086 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.086 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.086 * [taylor]: Taking taylor expansion of y in x
0.086 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.086 * [taylor]: Taking taylor expansion of x in x
0.086 * [taylor]: Taking taylor expansion of x in x
0.087 * [taylor]: Taking taylor expansion of (* -1 (/ (- (/ 1 y) (/ 1 x)) x)) in x
0.087 * [taylor]: Taking taylor expansion of -1 in x
0.087 * [taylor]: Taking taylor expansion of (/ (- (/ 1 y) (/ 1 x)) x) in x
0.087 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.087 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.087 * [taylor]: Taking taylor expansion of y in x
0.087 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.087 * [taylor]: Taking taylor expansion of x in x
0.087 * [taylor]: Taking taylor expansion of x in x
0.088 * [taylor]: Taking taylor expansion of 1 in y
0.090 * [taylor]: Taking taylor expansion of (- (/ 1 y)) in y
0.090 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.090 * [taylor]: Taking taylor expansion of y in y
0.093 * [taylor]: Taking taylor expansion of 0 in y
0.096 * [taylor]: Taking taylor expansion of 0 in y
0.101 * [taylor]: Taking taylor expansion of 0 in y
0.101 * * * [progress]: simplifying candidates
0.102 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* x (- x y))
  (+ (log x) (log (- x y)))
  (log (* x (- x y)))
  (exp (* x (- x y)))
  (* (* (* x x) x) (* (* (- x y) (- x y)) (- x y)))
  (* (cbrt (* x (- x y))) (cbrt (* x (- x y))))
  (cbrt (* x (- x y)))
  (* (* (* x (- x y)) (* x (- x y))) (* x (- x y)))
  (sqrt (* x (- x y)))
  (sqrt (* x (- x y)))
  (* (sqrt x) (sqrt (- x y)))
  (* (sqrt x) (sqrt (- x y)))
  (* x x)
  (* x (- y))
  (* x x)
  (* x (- y))
  (* x x)
  (* (- y) x)
  (* x x)
  (* (- y) x)
  (* x (* (cbrt (- x y)) (cbrt (- x y))))
  (* x (sqrt (- x y)))
  (* x 1)
  (* x (+ (sqrt x) (sqrt y)))
  (* x 1)
  (* (cbrt x) (- x y))
  (* (sqrt x) (- x y))
  (* x (- x y))
  (* x (- (pow x 3) (pow y 3)))
  (* x (- (* x x) (* y y)))
  (- (pow x 2) (* x y))
  (- (pow x 2) (* x y))
  (- (pow x 2) (* x y))
0.105 * * [simplify]: iteration  0 :  111  enodes  (cost  100 )
0.108 * * [simplify]: iteration  1 :  459  enodes  (cost  88 )
0.118 * * [simplify]: iteration  2 :  2260  enodes  (cost  88 )
0.164 * * [simplify]: iteration  3 :  5001  enodes  (cost  88 )
0.165 * [simplify]: Simplified to:
   (* x (- x y))
  (log (* x (- x y)))
  (log (* x (- x y)))
  (exp (* x (- x y)))
  (pow (* x (- x y)) 3)
  (* (cbrt (* x (- x y))) (cbrt (* x (- x y))))
  (cbrt (* x (- x y)))
  (pow (* x (- x y)) 3)
  (sqrt (* x (- x y)))
  (sqrt (* x (- x y)))
  (* (sqrt (- x y)) (pow x 1/2))
  (* (sqrt (- x y)) (pow x 1/2))
  (pow x 2)
  (* x (- y))
  (pow x 2)
  (* x (- y))
  (pow x 2)
  (* x (- y))
  (pow x 2)
  (* x (- y))
  (* x (* (cbrt (- x y)) (cbrt (- x y))))
  (* x (sqrt (- x y)))
  x
  (* x (+ (sqrt x) (sqrt y)))
  x
  (* (cbrt x) (- x y))
  (* (sqrt x) (- x y))
  (* x (- x y))
  (* x (- (pow x 3) (pow y 3)))
  (* x (- (* x x) (* y y)))
  (* x (- x y))
  (* x (- x y))
  (* x (- x y))
0.165 * * * [progress]: adding candidates to table
0.205 * * [progress]: iteration 2 / 4
0.205 * * * [progress]: picking best candidate
0.208 * * * * [pick]: Picked  #<alt (λ (x y) (* (+ (pow x 2) (* x (- y))) 2.0))>
0.209 * * * [progress]: localizing error
0.216 * * * [progress]: generating rewritten candidates
0.217 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1)
0.223 * * * [progress]: generating series expansions
0.223 * * * * [progress]: [ 1 / 1 ] generating series at (2 1)
0.223 * [approximate]: Taking taylor expansion of (- (pow x 2) (* x y)) in (x y) around 0
0.223 * [taylor]: Taking taylor expansion of (- (pow x 2) (* x y)) in y
0.223 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.223 * [taylor]: Taking taylor expansion of x in y
0.223 * [taylor]: Taking taylor expansion of (* x y) in y
0.223 * [taylor]: Taking taylor expansion of x in y
0.224 * [taylor]: Taking taylor expansion of y in y
0.224 * [taylor]: Taking taylor expansion of (- (pow x 2) (* x y)) in x
0.224 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.224 * [taylor]: Taking taylor expansion of x in x
0.224 * [taylor]: Taking taylor expansion of (* x y) in x
0.224 * [taylor]: Taking taylor expansion of x in x
0.224 * [taylor]: Taking taylor expansion of y in x
0.224 * [taylor]: Taking taylor expansion of (- (pow x 2) (* x y)) in x
0.224 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.224 * [taylor]: Taking taylor expansion of x in x
0.224 * [taylor]: Taking taylor expansion of (* x y) in x
0.224 * [taylor]: Taking taylor expansion of x in x
0.224 * [taylor]: Taking taylor expansion of y in x
0.224 * [taylor]: Taking taylor expansion of 0 in y
0.225 * [taylor]: Taking taylor expansion of (- y) in y
0.225 * [taylor]: Taking taylor expansion of y in y
0.226 * [taylor]: Taking taylor expansion of 1 in y
0.228 * [taylor]: Taking taylor expansion of 0 in y
0.230 * [taylor]: Taking taylor expansion of 0 in y
0.231 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (* x y))) in (x y) around 0
0.231 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (* x y))) in y
0.231 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.231 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.231 * [taylor]: Taking taylor expansion of x in y
0.231 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
0.231 * [taylor]: Taking taylor expansion of (* x y) in y
0.231 * [taylor]: Taking taylor expansion of x in y
0.231 * [taylor]: Taking taylor expansion of y in y
0.231 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (* x y))) in x
0.231 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.231 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.231 * [taylor]: Taking taylor expansion of x in x
0.232 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.232 * [taylor]: Taking taylor expansion of (* x y) in x
0.232 * [taylor]: Taking taylor expansion of x in x
0.232 * [taylor]: Taking taylor expansion of y in x
0.232 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (* x y))) in x
0.232 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.232 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.232 * [taylor]: Taking taylor expansion of x in x
0.233 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.233 * [taylor]: Taking taylor expansion of (* x y) in x
0.233 * [taylor]: Taking taylor expansion of x in x
0.233 * [taylor]: Taking taylor expansion of y in x
0.233 * [taylor]: Taking taylor expansion of 1 in y
0.234 * [taylor]: Taking taylor expansion of (- (/ 1 y)) in y
0.234 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.234 * [taylor]: Taking taylor expansion of y in y
0.237 * [taylor]: Taking taylor expansion of 0 in y
0.240 * [taylor]: Taking taylor expansion of 0 in y
0.243 * [taylor]: Taking taylor expansion of 0 in y
0.244 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (* x y))) in (x y) around 0
0.244 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (* x y))) in y
0.244 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.244 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.244 * [taylor]: Taking taylor expansion of x in y
0.244 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
0.244 * [taylor]: Taking taylor expansion of (* x y) in y
0.244 * [taylor]: Taking taylor expansion of x in y
0.244 * [taylor]: Taking taylor expansion of y in y
0.244 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (* x y))) in x
0.244 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.244 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.244 * [taylor]: Taking taylor expansion of x in x
0.245 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.245 * [taylor]: Taking taylor expansion of (* x y) in x
0.245 * [taylor]: Taking taylor expansion of x in x
0.245 * [taylor]: Taking taylor expansion of y in x
0.245 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (* x y))) in x
0.245 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.245 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.245 * [taylor]: Taking taylor expansion of x in x
0.246 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.246 * [taylor]: Taking taylor expansion of (* x y) in x
0.246 * [taylor]: Taking taylor expansion of x in x
0.246 * [taylor]: Taking taylor expansion of y in x
0.246 * [taylor]: Taking taylor expansion of 1 in y
0.247 * [taylor]: Taking taylor expansion of (- (/ 1 y)) in y
0.247 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.247 * [taylor]: Taking taylor expansion of y in y
0.250 * [taylor]: Taking taylor expansion of 0 in y
0.253 * [taylor]: Taking taylor expansion of 0 in y
0.256 * [taylor]: Taking taylor expansion of 0 in y
0.257 * * * [progress]: simplifying candidates
0.257 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* (exp (pow x 2)) (exp (* x (- y))))
  (log (+ (pow x 2) (* x (- y))))
  (exp (+ (pow x 2) (* x (- y))))
  (* (cbrt (+ (pow x 2) (* x (- y)))) (cbrt (+ (pow x 2) (* x (- y)))))
  (cbrt (+ (pow x 2) (* x (- y))))
  (* (* (+ (pow x 2) (* x (- y))) (+ (pow x 2) (* x (- y)))) (+ (pow x 2) (* x (- y))))
  (sqrt (+ (pow x 2) (* x (- y))))
  (sqrt (+ (pow x 2) (* x (- y))))
  (+ (pow (pow x 2) 3) (pow (* x (- y)) 3))
  (+ (* (pow x 2) (pow x 2)) (- (* (* x (- y)) (* x (- y))) (* (pow x 2) (* x (- y)))))
  (- (* (pow x 2) (pow x 2)) (* (* x (- y)) (* x (- y))))
  (- (pow x 2) (* x (- y)))
  (+ x (- y))
  (- (pow x 2) (* x y))
  (- (pow x 2) (* x y))
  (- (pow x 2) (* x y))
0.260 * * [simplify]: iteration  0 :  93  enodes  (cost  92 )
0.263 * * [simplify]: iteration  1 :  392  enodes  (cost  73 )
0.272 * * [simplify]: iteration  2 :  1822  enodes  (cost  64 )
0.320 * * [simplify]: iteration  3 :  5002  enodes  (cost  63 )
0.321 * [simplify]: Simplified to:
   (pow (exp x) (- x y))
  (+ (log x) (log (- x y)))
  (pow (exp x) (- x y))
  (* (cbrt (+ (pow x 2) (* x (- y)))) (cbrt (+ (pow x 2) (* x (- y)))))
  (cbrt (+ (pow x 2) (* x (- y))))
  (pow (* x (- x y)) 3)
  (sqrt (+ (pow x 2) (* x (- y))))
  (sqrt (+ (pow x 2) (* x (- y))))
  (- (pow x 6) (pow (* x y) 3))
  (* x (+ (pow x 3) (* y (* x (+ x y)))))
  (* (pow x 2) (- (pow x 2) (* y y)))
  (* x (+ x y))
  (- x y)
  (* x (- x y))
  (* x (- x y))
  (* x (- x y))
0.321 * * * [progress]: adding candidates to table
0.350 * * [progress]: iteration 3 / 4
0.350 * * * [progress]: picking best candidate
0.352 * * * * [pick]: Picked  #<alt (λ (x y) (* (* (sqrt x) (* (sqrt x) (- x y))) 2.0))>
0.352 * * * [progress]: localizing error
0.359 * * * [progress]: generating rewritten candidates
0.359 * * * * [progress]: [ 1 / 2 ] rewriting at (2 1)
0.377 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1 2)
0.391 * * * [progress]: generating series expansions
0.391 * * * * [progress]: [ 1 / 2 ] generating series at (2 1)
0.391 * [approximate]: Taking taylor expansion of (* x (- x y)) in (x y) around 0
0.391 * [taylor]: Taking taylor expansion of (* x (- x y)) in y
0.391 * [taylor]: Taking taylor expansion of x in y
0.391 * [taylor]: Taking taylor expansion of (- x y) in y
0.391 * [taylor]: Taking taylor expansion of x in y
0.391 * [taylor]: Taking taylor expansion of y in y
0.391 * [taylor]: Taking taylor expansion of (* x (- x y)) in x
0.391 * [taylor]: Taking taylor expansion of x in x
0.391 * [taylor]: Taking taylor expansion of (- x y) in x
0.391 * [taylor]: Taking taylor expansion of x in x
0.391 * [taylor]: Taking taylor expansion of y in x
0.391 * [taylor]: Taking taylor expansion of (* x (- x y)) in x
0.391 * [taylor]: Taking taylor expansion of x in x
0.392 * [taylor]: Taking taylor expansion of (- x y) in x
0.392 * [taylor]: Taking taylor expansion of x in x
0.392 * [taylor]: Taking taylor expansion of y in x
0.392 * [taylor]: Taking taylor expansion of 0 in y
0.393 * [taylor]: Taking taylor expansion of (- y) in y
0.393 * [taylor]: Taking taylor expansion of y in y
0.394 * [taylor]: Taking taylor expansion of 1 in y
0.395 * [taylor]: Taking taylor expansion of 0 in y
0.397 * [taylor]: Taking taylor expansion of 0 in y
0.397 * [approximate]: Taking taylor expansion of (/ (- (/ 1 x) (/ 1 y)) x) in (x y) around 0
0.397 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) (/ 1 y)) x) in y
0.397 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
0.397 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.397 * [taylor]: Taking taylor expansion of x in y
0.397 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.398 * [taylor]: Taking taylor expansion of y in y
0.398 * [taylor]: Taking taylor expansion of x in y
0.398 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) (/ 1 y)) x) in x
0.398 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.398 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.398 * [taylor]: Taking taylor expansion of x in x
0.399 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.399 * [taylor]: Taking taylor expansion of y in x
0.399 * [taylor]: Taking taylor expansion of x in x
0.399 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) (/ 1 y)) x) in x
0.399 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.399 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.399 * [taylor]: Taking taylor expansion of x in x
0.399 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.400 * [taylor]: Taking taylor expansion of y in x
0.400 * [taylor]: Taking taylor expansion of x in x
0.400 * [taylor]: Taking taylor expansion of 1 in y
0.401 * [taylor]: Taking taylor expansion of (- (/ 1 y)) in y
0.401 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.401 * [taylor]: Taking taylor expansion of y in y
0.406 * [taylor]: Taking taylor expansion of 0 in y
0.409 * [taylor]: Taking taylor expansion of 0 in y
0.412 * [taylor]: Taking taylor expansion of 0 in y
0.413 * [approximate]: Taking taylor expansion of (* (- (/ 1 y) (/ 1 x)) (pow (sqrt (/ -1 x)) 2)) in (x y) around 0
0.413 * [taylor]: Taking taylor expansion of (* (- (/ 1 y) (/ 1 x)) (pow (sqrt (/ -1 x)) 2)) in y
0.413 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
0.413 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.413 * [taylor]: Taking taylor expansion of y in y
0.413 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.413 * [taylor]: Taking taylor expansion of x in y
0.413 * [taylor]: Taking taylor expansion of (pow (sqrt (/ -1 x)) 2) in y
0.413 * [taylor]: Taking taylor expansion of (sqrt (/ -1 x)) in y
0.413 * [taylor]: Taking taylor expansion of (/ -1 x) in y
0.413 * [taylor]: Taking taylor expansion of -1 in y
0.413 * [taylor]: Taking taylor expansion of x in y
0.413 * [taylor]: Taking taylor expansion of (* (- (/ 1 y) (/ 1 x)) (pow (sqrt (/ -1 x)) 2)) in x
0.413 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.413 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.414 * [taylor]: Taking taylor expansion of y in x
0.414 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.414 * [taylor]: Taking taylor expansion of x in x
0.414 * [taylor]: Taking taylor expansion of (pow (sqrt (/ -1 x)) 2) in x
0.414 * [taylor]: Taking taylor expansion of (sqrt (/ -1 x)) in x
0.414 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.414 * [taylor]: Taking taylor expansion of -1 in x
0.414 * [taylor]: Taking taylor expansion of x in x
0.415 * [taylor]: Taking taylor expansion of (* (- (/ 1 y) (/ 1 x)) (pow (sqrt (/ -1 x)) 2)) in x
0.415 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.415 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.415 * [taylor]: Taking taylor expansion of y in x
0.415 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.415 * [taylor]: Taking taylor expansion of x in x
0.416 * [taylor]: Taking taylor expansion of (pow (sqrt (/ -1 x)) 2) in x
0.416 * [taylor]: Taking taylor expansion of (sqrt (/ -1 x)) in x
0.416 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.416 * [taylor]: Taking taylor expansion of -1 in x
0.416 * [taylor]: Taking taylor expansion of x in x
0.418 * [taylor]: Taking taylor expansion of +nan.0 in y
0.422 * [taylor]: Taking taylor expansion of (- (+ (* +nan.0 (/ 1 y)) (- +nan.0))) in y
0.423 * [taylor]: Taking taylor expansion of (+ (* +nan.0 (/ 1 y)) (- +nan.0)) in y
0.423 * [taylor]: Taking taylor expansion of (* +nan.0 (/ 1 y)) in y
0.423 * [taylor]: Taking taylor expansion of +nan.0 in y
0.423 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.423 * [taylor]: Taking taylor expansion of y in y
0.423 * [taylor]: Taking taylor expansion of (- +nan.0) in y
0.423 * [taylor]: Taking taylor expansion of +nan.0 in y
0.431 * [taylor]: Taking taylor expansion of (- (+ (* +nan.0 (/ 1 y)) (- +nan.0))) in y
0.431 * [taylor]: Taking taylor expansion of (+ (* +nan.0 (/ 1 y)) (- +nan.0)) in y
0.431 * [taylor]: Taking taylor expansion of (* +nan.0 (/ 1 y)) in y
0.431 * [taylor]: Taking taylor expansion of +nan.0 in y
0.431 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.431 * [taylor]: Taking taylor expansion of y in y
0.431 * [taylor]: Taking taylor expansion of (- +nan.0) in y
0.431 * [taylor]: Taking taylor expansion of +nan.0 in y
0.433 * * * * [progress]: [ 2 / 2 ] generating series at (2 1 2)
0.433 * [approximate]: Taking taylor expansion of (* (sqrt x) (- x y)) in (x y) around 0
0.433 * [taylor]: Taking taylor expansion of (* (sqrt x) (- x y)) in y
0.433 * [taylor]: Taking taylor expansion of (sqrt x) in y
0.433 * [taylor]: Taking taylor expansion of x in y
0.433 * [taylor]: Taking taylor expansion of (- x y) in y
0.433 * [taylor]: Taking taylor expansion of x in y
0.433 * [taylor]: Taking taylor expansion of y in y
0.433 * [taylor]: Taking taylor expansion of (* (sqrt x) (- x y)) in x
0.433 * [taylor]: Taking taylor expansion of (sqrt x) in x
0.433 * [taylor]: Taking taylor expansion of x in x
0.434 * [taylor]: Taking taylor expansion of (- x y) in x
0.434 * [taylor]: Taking taylor expansion of x in x
0.434 * [taylor]: Taking taylor expansion of y in x
0.434 * [taylor]: Taking taylor expansion of (* (sqrt x) (- x y)) in x
0.434 * [taylor]: Taking taylor expansion of (sqrt x) in x
0.434 * [taylor]: Taking taylor expansion of x in x
0.435 * [taylor]: Taking taylor expansion of (- x y) in x
0.435 * [taylor]: Taking taylor expansion of x in x
0.436 * [taylor]: Taking taylor expansion of y in x
0.436 * [taylor]: Taking taylor expansion of 0 in y
0.436 * [taylor]: Taking taylor expansion of (- (* +nan.0 y)) in y
0.437 * [taylor]: Taking taylor expansion of (* +nan.0 y) in y
0.437 * [taylor]: Taking taylor expansion of +nan.0 in y
0.437 * [taylor]: Taking taylor expansion of y in y
0.440 * [taylor]: Taking taylor expansion of (- (+ (* +nan.0 y) (- +nan.0))) in y
0.440 * [taylor]: Taking taylor expansion of (+ (* +nan.0 y) (- +nan.0)) in y
0.440 * [taylor]: Taking taylor expansion of (* +nan.0 y) in y
0.440 * [taylor]: Taking taylor expansion of +nan.0 in y
0.440 * [taylor]: Taking taylor expansion of y in y
0.440 * [taylor]: Taking taylor expansion of (- +nan.0) in y
0.440 * [taylor]: Taking taylor expansion of +nan.0 in y
0.447 * [taylor]: Taking taylor expansion of (- (+ (* +nan.0 y) (- +nan.0))) in y
0.447 * [taylor]: Taking taylor expansion of (+ (* +nan.0 y) (- +nan.0)) in y
0.447 * [taylor]: Taking taylor expansion of (* +nan.0 y) in y
0.447 * [taylor]: Taking taylor expansion of +nan.0 in y
0.447 * [taylor]: Taking taylor expansion of y in y
0.447 * [taylor]: Taking taylor expansion of (- +nan.0) in y
0.447 * [taylor]: Taking taylor expansion of +nan.0 in y
0.450 * [approximate]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (sqrt (/ 1 x))) in (x y) around 0
0.450 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (sqrt (/ 1 x))) in y
0.450 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
0.450 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.450 * [taylor]: Taking taylor expansion of x in y
0.450 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.450 * [taylor]: Taking taylor expansion of y in y
0.450 * [taylor]: Taking taylor expansion of (sqrt (/ 1 x)) in y
0.450 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.450 * [taylor]: Taking taylor expansion of x in y
0.451 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (sqrt (/ 1 x))) in x
0.451 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.451 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.451 * [taylor]: Taking taylor expansion of x in x
0.451 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.451 * [taylor]: Taking taylor expansion of y in x
0.451 * [taylor]: Taking taylor expansion of (sqrt (/ 1 x)) in x
0.451 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.451 * [taylor]: Taking taylor expansion of x in x
0.452 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (sqrt (/ 1 x))) in x
0.452 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.452 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.452 * [taylor]: Taking taylor expansion of x in x
0.453 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.453 * [taylor]: Taking taylor expansion of y in x
0.453 * [taylor]: Taking taylor expansion of (sqrt (/ 1 x)) in x
0.453 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.453 * [taylor]: Taking taylor expansion of x in x
0.454 * [taylor]: Taking taylor expansion of 0 in y
0.455 * [taylor]: Taking taylor expansion of (- +nan.0) in y
0.455 * [taylor]: Taking taylor expansion of +nan.0 in y
0.459 * [taylor]: Taking taylor expansion of (- (+ (* +nan.0 (/ 1 y)) (- +nan.0))) in y
0.459 * [taylor]: Taking taylor expansion of (+ (* +nan.0 (/ 1 y)) (- +nan.0)) in y
0.459 * [taylor]: Taking taylor expansion of (* +nan.0 (/ 1 y)) in y
0.459 * [taylor]: Taking taylor expansion of +nan.0 in y
0.459 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.459 * [taylor]: Taking taylor expansion of y in y
0.459 * [taylor]: Taking taylor expansion of (- +nan.0) in y
0.459 * [taylor]: Taking taylor expansion of +nan.0 in y
0.466 * [taylor]: Taking taylor expansion of (- (+ (* +nan.0 (/ 1 y)) (- +nan.0))) in y
0.466 * [taylor]: Taking taylor expansion of (+ (* +nan.0 (/ 1 y)) (- +nan.0)) in y
0.466 * [taylor]: Taking taylor expansion of (* +nan.0 (/ 1 y)) in y
0.466 * [taylor]: Taking taylor expansion of +nan.0 in y
0.466 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.466 * [taylor]: Taking taylor expansion of y in y
0.466 * [taylor]: Taking taylor expansion of (- +nan.0) in y
0.466 * [taylor]: Taking taylor expansion of +nan.0 in y
0.469 * [approximate]: Taking taylor expansion of (* (- (/ 1 y) (/ 1 x)) (sqrt (/ -1 x))) in (x y) around 0
0.469 * [taylor]: Taking taylor expansion of (* (- (/ 1 y) (/ 1 x)) (sqrt (/ -1 x))) in y
0.469 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
0.469 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.469 * [taylor]: Taking taylor expansion of y in y
0.469 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.469 * [taylor]: Taking taylor expansion of x in y
0.469 * [taylor]: Taking taylor expansion of (sqrt (/ -1 x)) in y
0.469 * [taylor]: Taking taylor expansion of (/ -1 x) in y
0.469 * [taylor]: Taking taylor expansion of -1 in y
0.469 * [taylor]: Taking taylor expansion of x in y
0.469 * [taylor]: Taking taylor expansion of (* (- (/ 1 y) (/ 1 x)) (sqrt (/ -1 x))) in x
0.469 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.469 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.469 * [taylor]: Taking taylor expansion of y in x
0.469 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.469 * [taylor]: Taking taylor expansion of x in x
0.470 * [taylor]: Taking taylor expansion of (sqrt (/ -1 x)) in x
0.470 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.470 * [taylor]: Taking taylor expansion of -1 in x
0.470 * [taylor]: Taking taylor expansion of x in x
0.471 * [taylor]: Taking taylor expansion of (* (- (/ 1 y) (/ 1 x)) (sqrt (/ -1 x))) in x
0.471 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.471 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.471 * [taylor]: Taking taylor expansion of y in x
0.471 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.471 * [taylor]: Taking taylor expansion of x in x
0.471 * [taylor]: Taking taylor expansion of (sqrt (/ -1 x)) in x
0.471 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.471 * [taylor]: Taking taylor expansion of -1 in x
0.471 * [taylor]: Taking taylor expansion of x in x
0.473 * [taylor]: Taking taylor expansion of 0 in y
0.474 * [taylor]: Taking taylor expansion of (- +nan.0) in y
0.474 * [taylor]: Taking taylor expansion of +nan.0 in y
0.478 * [taylor]: Taking taylor expansion of (- (+ (* +nan.0 (/ 1 y)) (- +nan.0))) in y
0.479 * [taylor]: Taking taylor expansion of (+ (* +nan.0 (/ 1 y)) (- +nan.0)) in y
0.479 * [taylor]: Taking taylor expansion of (* +nan.0 (/ 1 y)) in y
0.479 * [taylor]: Taking taylor expansion of +nan.0 in y
0.479 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.479 * [taylor]: Taking taylor expansion of y in y
0.479 * [taylor]: Taking taylor expansion of (- +nan.0) in y
0.479 * [taylor]: Taking taylor expansion of +nan.0 in y
0.485 * [taylor]: Taking taylor expansion of (- (+ (* +nan.0 (/ 1 y)) (- +nan.0))) in y
0.485 * [taylor]: Taking taylor expansion of (+ (* +nan.0 (/ 1 y)) (- +nan.0)) in y
0.485 * [taylor]: Taking taylor expansion of (* +nan.0 (/ 1 y)) in y
0.485 * [taylor]: Taking taylor expansion of +nan.0 in y
0.485 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.485 * [taylor]: Taking taylor expansion of y in y
0.485 * [taylor]: Taking taylor expansion of (- +nan.0) in y
0.485 * [taylor]: Taking taylor expansion of +nan.0 in y
0.488 * * * [progress]: simplifying candidates
0.492 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* (sqrt x) (* (sqrt x) (- x y)))
  (* (sqrt x) (* (sqrt x) (- x y)))
  (+ (log (sqrt x)) (+ (log (sqrt x)) (log (- x y))))
  (+ (log (sqrt x)) (log (* (sqrt x) (- x y))))
  (log (* (sqrt x) (* (sqrt x) (- x y))))
  (exp (* (sqrt x) (* (sqrt x) (- x y))))
  (* (* (* (sqrt x) (sqrt x)) (sqrt x)) (* (* (* (sqrt x) (sqrt x)) (sqrt x)) (* (* (- x y) (- x y)) (- x y))))
  (* (* (* (sqrt x) (sqrt x)) (sqrt x)) (* (* (* (sqrt x) (- x y)) (* (sqrt x) (- x y))) (* (sqrt x) (- x y))))
  (* (cbrt (* (sqrt x) (* (sqrt x) (- x y)))) (cbrt (* (sqrt x) (* (sqrt x) (- x y)))))
  (cbrt (* (sqrt x) (* (sqrt x) (- x y))))
  (* (* (* (sqrt x) (* (sqrt x) (- x y))) (* (sqrt x) (* (sqrt x) (- x y)))) (* (sqrt x) (* (sqrt x) (- x y))))
  (sqrt (* (sqrt x) (* (sqrt x) (- x y))))
  (sqrt (* (sqrt x) (* (sqrt x) (- x y))))
  (* (sqrt x) (* (sqrt x) x))
  (* (sqrt x) (* (sqrt x) (- y)))
  (* (sqrt x) (* (sqrt x) x))
  (* (sqrt x) (* (sqrt x) (- y)))
  (* (sqrt x) (* x (sqrt x)))
  (* (sqrt x) (* (- y) (sqrt x)))
  (* (sqrt x) (* x (sqrt x)))
  (* (sqrt x) (* (- y) (sqrt x)))
  (* (* (sqrt x) x) (sqrt x))
  (* (* (sqrt x) (- y)) (sqrt x))
  (* (* (sqrt x) x) (sqrt x))
  (* (* (sqrt x) (- y)) (sqrt x))
  (* (* x (sqrt x)) (sqrt x))
  (* (* (- y) (sqrt x)) (sqrt x))
  (* (* x (sqrt x)) (sqrt x))
  (* (* (- y) (sqrt x)) (sqrt x))
  (* (sqrt x) (sqrt x))
  (* (cbrt (sqrt x)) (* (sqrt x) (- x y)))
  (* (sqrt (cbrt x)) (* (sqrt x) (- x y)))
  (* (sqrt (sqrt x)) (* (sqrt x) (- x y)))
  (* (sqrt x) (* (sqrt x) (- x y)))
  (* (sqrt (sqrt x)) (* (sqrt x) (- x y)))
  (* (sqrt x) (* (sqrt x) (- x y)))
  (* (sqrt x) (* (sqrt x) (- (pow x 3) (pow y 3))))
  (* (sqrt x) (* (sqrt x) (- (* x x) (* y y))))
  (* (sqrt x) (- x y))
  (+ (log (sqrt x)) (log (- x y)))
  (log (* (sqrt x) (- x y)))
  (exp (* (sqrt x) (- x y)))
  (* (* (* (sqrt x) (sqrt x)) (sqrt x)) (* (* (- x y) (- x y)) (- x y)))
  (* (cbrt (* (sqrt x) (- x y))) (cbrt (* (sqrt x) (- x y))))
  (cbrt (* (sqrt x) (- x y)))
  (* (* (* (sqrt x) (- x y)) (* (sqrt x) (- x y))) (* (sqrt x) (- x y)))
  (sqrt (* (sqrt x) (- x y)))
  (sqrt (* (sqrt x) (- x y)))
  (* (sqrt (sqrt x)) (sqrt (- x y)))
  (* (sqrt (sqrt x)) (sqrt (- x y)))
  (* (sqrt (sqrt x)) (sqrt (- x y)))
  (* (sqrt (sqrt x)) (sqrt (- x y)))
  (* (sqrt x) x)
  (* (sqrt x) (- y))
  (* (sqrt x) x)
  (* (sqrt x) (- y))
  (* x (sqrt x))
  (* (- y) (sqrt x))
  (* x (sqrt x))
  (* (- y) (sqrt x))
  (* (sqrt x) (* (cbrt (- x y)) (cbrt (- x y))))
  (* (sqrt x) (sqrt (- x y)))
  (* (sqrt x) 1)
  (* (sqrt x) (+ (sqrt x) (sqrt y)))
  (* (sqrt x) 1)
  (* (cbrt (sqrt x)) (- x y))
  (* (sqrt (cbrt x)) (- x y))
  (* (sqrt (sqrt x)) (- x y))
  (* (sqrt x) (- x y))
  (* (sqrt (sqrt x)) (- x y))
  (* (sqrt x) (- x y))
  (* (sqrt x) (- (pow x 3) (pow y 3)))
  (* (sqrt x) (- (* x x) (* y y)))
  (- (pow x 2) (* x y))
  (- (pow x 2) (* x y))
  (- (+ (* +nan.0 x) (- (+ (* +nan.0 (/ y x)) (- (* +nan.0 y))))))
  (- (+ (* +nan.0 (pow x 2)) (- (+ (* +nan.0 (pow x 3)) (- (* +nan.0 (* x y)))))))
  (- (+ (* +nan.0 x) (- (+ (* +nan.0 (/ y x)) (- (* +nan.0 y))))))
  (- (+ (* +nan.0 x) (- (+ (* +nan.0 (/ y x)) (- (* +nan.0 y))))))
0.496 * * [simplify]: iteration  0 :  237  enodes  (cost  334 )
0.502 * * [simplify]: iteration  1 :  1047  enodes  (cost  282 )
0.527 * * [simplify]: iteration  2 :  4943  enodes  (cost  278 )
0.620 * * [simplify]: iteration  3 :  5001  enodes  (cost  278 )
0.621 * [simplify]: Simplified to:
   (* x (- x y))
  (* x (- x y))
  (+ (log x) (log (- x y)))
  (+ (log x) (log (- x y)))
  (+ (log x) (log (- x y)))
  (pow (exp x) (- x y))
  (pow (* x (- x y)) 3)
  (pow (* x (- x y)) 3)
  (* (cbrt (* (sqrt x) (* (sqrt x) (- x y)))) (cbrt (* (sqrt x) (* (sqrt x) (- x y)))))
  (cbrt (* (sqrt x) (* (sqrt x) (- x y))))
  (pow (* x (- x y)) 3)
  (sqrt (* (sqrt x) (* (sqrt x) (- x y))))
  (sqrt (* (sqrt x) (* (sqrt x) (- x y))))
  (* x x)
  (* x (- y))
  (* x x)
  (* x (- y))
  (* x x)
  (* x (- y))
  (* x x)
  (* x (- y))
  (* x x)
  (* x (- y))
  (* x x)
  (* x (- y))
  (* x x)
  (* x (- y))
  (* x x)
  (* x (- y))
  x
  (* (cbrt (sqrt x)) (* (sqrt x) (- x y)))
  (* (sqrt (cbrt x)) (* (sqrt x) (- x y)))
  (* (sqrt (sqrt x)) (* (sqrt x) (- x y)))
  (* x (- x y))
  (* (sqrt (sqrt x)) (* (sqrt x) (- x y)))
  (* x (- x y))
  (* x (- (pow x 3) (pow y 3)))
  (* x (- (* x x) (* y y)))
  (* (sqrt x) (- x y))
  (log (* (sqrt x) (- x y)))
  (log (* (sqrt x) (- x y)))
  (exp (* (sqrt x) (- x y)))
  (pow (* (sqrt x) (- x y)) 3)
  (* (cbrt (* (sqrt x) (- x y))) (cbrt (* (sqrt x) (- x y))))
  (cbrt (* (sqrt x) (- x y)))
  (pow (* (sqrt x) (- x y)) 3)
  (sqrt (* (sqrt x) (- x y)))
  (sqrt (* (sqrt x) (- x y)))
  (* (sqrt (sqrt x)) (sqrt (- x y)))
  (* (sqrt (sqrt x)) (sqrt (- x y)))
  (* (sqrt (sqrt x)) (sqrt (- x y)))
  (* (sqrt (sqrt x)) (sqrt (- x y)))
  (* (sqrt x) x)
  (* (sqrt x) (- y))
  (* (sqrt x) x)
  (* (sqrt x) (- y))
  (* (sqrt x) x)
  (* (sqrt x) (- y))
  (* (sqrt x) x)
  (* (sqrt x) (- y))
  (* (sqrt x) (* (cbrt (- x y)) (cbrt (- x y))))
  (* (sqrt x) (sqrt (- x y)))
  (sqrt x)
  (+ x (* (sqrt x) (sqrt y)))
  (sqrt x)
  (* (cbrt (sqrt x)) (- x y))
  (* (sqrt (cbrt x)) (- x y))
  (* (sqrt (sqrt x)) (- x y))
  (* (sqrt x) (- x y))
  (* (sqrt (sqrt x)) (- x y))
  (* (sqrt x) (- x y))
  (* (sqrt x) (- (pow x 3) (pow y 3)))
  (* (sqrt x) (- (* x x) (* y y)))
  (* x (- x y))
  (* x (- x y))
  (* +nan.0 (+ (- x) (- (/ y x) y)))
  (* +nan.0 (+ (- (* x x)) (- (pow x 3) (* x y))))
  (* +nan.0 (+ (- x) (- (/ y x) y)))
  (* +nan.0 (+ (- x) (- (/ y x) y)))
0.621 * * * [progress]: adding candidates to table
0.715 * [progress]: [Phase 3 of 3] Extracting.
0.715 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (* (* (sqrt x) (* (sqrt x) (- x y))) 2.0))> #<alt (λ (x y) (* (+ (pow x 2) (* x (- y))) 2.0))> #<alt (λ (x y) (* (* x (- x y)) 2.0))>)
0.716 * * * [regime-changes]: Trying 2 branch expressions: (y x)
0.716 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (* (* (sqrt x) (* (sqrt x) (- x y))) 2.0))> #<alt (λ (x y) (* (+ (pow x 2) (* x (- y))) 2.0))> #<alt (λ (x y) (* (* x (- x y)) 2.0))>)
0.731 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (* (* (sqrt x) (* (sqrt x) (- x y))) 2.0))> #<alt (λ (x y) (* (+ (pow x 2) (* x (- y))) 2.0))> #<alt (λ (x y) (* (* x (- x y)) 2.0))>)
0.744 * * * [regime]: Found split indices: #<option (#s(si 2 255))>
0.744 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* (* x (- x y)) 2.0)
0.745 * * [simplify]: iteration  0 :  8  enodes  (cost  3 )
0.745 * * [simplify]: iteration  1 :  8  enodes  (cost  3 )
0.745 * [simplify]: Simplified to:
   (* (* x (- x y)) 2.0)
1.694 * [regime-testing]: Baseline error score: 0.017627203400425052
1.695 * [regime-testing]: Oracle error score: 0.011001375171896487
1.696 * [regime-testing]: End program error score: 0.017627203400425052
1.713 * [regime-testing]: Target error score: 0.009376172021502687