31.673 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.098 * * * * [points]: Sampling 256 additional inputs, on iter 0 have 0 / 256
0.100 * * * * [points]: Computing exacts on every 16 of 256 points to ramp up precision
0.101 * * * * [points]: Setting MPFR precision to 64
0.101 * * * * [points]: Setting MPFR precision to 320
0.101 * * * * [points]: Computing exacts on every 8 of 256 points to ramp up precision
0.101 * * * * [points]: Setting MPFR precision to 64
0.102 * * * * [points]: Setting MPFR precision to 320
0.102 * * * * [points]: Computing exacts on every 4 of 256 points to ramp up precision
0.102 * * * * [points]: Setting MPFR precision to 64
0.103 * * * * [points]: Setting MPFR precision to 320
0.103 * * * * [points]: Computing exacts on every 2 of 256 points to ramp up precision
0.104 * * * * [points]: Setting MPFR precision to 64
0.105 * * * * [points]: Setting MPFR precision to 320
0.106 * * * * [points]: Computing exacts for 256 points
0.106 * * * * [points]: Setting MPFR precision to 64
0.109 * * * * [points]: Setting MPFR precision to 320
0.113 * * * * [points]: Filtering points with unrepresentable outputs
0.114 * * * * [points]: Sampled 256 points with exact outputs
0.120 * * * [progress]: [2/2] Setting up program.
0.126 * [progress]: [Phase 2 of 3] Improving.
0.126 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (- x y) (* (* x 2.0) y))
0.191 * * [simplify]: iteration  0 :  4878  enodes  (cost  9 )
0.191 * * [simplify]: iteration  1 :  4878  enodes  (cost  9 )
0.191 * [simplify]: Simplified to:
   (/ (- x y) (* x (* y 2.0)))
0.194 * * [progress]: iteration 1 / 4
0.194 * * * [progress]: picking best candidate
0.196 * * * * [pick]: Picked  #<alt (λ (x y) (/ (- x y) (* (* x 2.0) y)))>
0.196 * * * [progress]: localizing error
0.202 * * * [progress]: generating rewritten candidates
0.202 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.211 * * * [progress]: generating series expansions
0.212 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.212 * [approximate]: Taking taylor expansion of (* 0.5 (/ (- x y) (* x y))) in (x y) around 0
0.212 * [taylor]: Taking taylor expansion of (* 0.5 (/ (- x y) (* x y))) in y
0.212 * [taylor]: Taking taylor expansion of 0.5 in y
0.212 * [taylor]: Taking taylor expansion of (/ (- x y) (* x y)) in y
0.212 * [taylor]: Taking taylor expansion of (- x y) in y
0.212 * [taylor]: Taking taylor expansion of x in y
0.212 * [taylor]: Taking taylor expansion of y in y
0.212 * [taylor]: Taking taylor expansion of (* x y) in y
0.212 * [taylor]: Taking taylor expansion of x in y
0.212 * [taylor]: Taking taylor expansion of y in y
0.212 * [taylor]: Taking taylor expansion of (* 0.5 (/ (- x y) (* x y))) in x
0.212 * [taylor]: Taking taylor expansion of 0.5 in x
0.212 * [taylor]: Taking taylor expansion of (/ (- x y) (* x y)) in x
0.212 * [taylor]: Taking taylor expansion of (- x y) in x
0.212 * [taylor]: Taking taylor expansion of x in x
0.212 * [taylor]: Taking taylor expansion of y in x
0.212 * [taylor]: Taking taylor expansion of (* x y) in x
0.212 * [taylor]: Taking taylor expansion of x in x
0.212 * [taylor]: Taking taylor expansion of y in x
0.212 * [taylor]: Taking taylor expansion of (* 0.5 (/ (- x y) (* x y))) in x
0.212 * [taylor]: Taking taylor expansion of 0.5 in x
0.212 * [taylor]: Taking taylor expansion of (/ (- x y) (* x y)) in x
0.212 * [taylor]: Taking taylor expansion of (- x y) in x
0.212 * [taylor]: Taking taylor expansion of x in x
0.212 * [taylor]: Taking taylor expansion of y in x
0.212 * [taylor]: Taking taylor expansion of (* x y) in x
0.212 * [taylor]: Taking taylor expansion of x in x
0.212 * [taylor]: Taking taylor expansion of y in x
0.212 * [taylor]: Taking taylor expansion of -0.5 in y
0.213 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
0.213 * [taylor]: Taking taylor expansion of 0.5 in y
0.213 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.213 * [taylor]: Taking taylor expansion of y in y
0.213 * [taylor]: Taking taylor expansion of 0 in y
0.213 * [taylor]: Taking taylor expansion of 0 in y
0.213 * [taylor]: Taking taylor expansion of 0 in y
0.214 * [approximate]: Taking taylor expansion of (* 0.5 (* (- (/ 1 x) (/ 1 y)) (* x y))) in (x y) around 0
0.214 * [taylor]: Taking taylor expansion of (* 0.5 (* (- (/ 1 x) (/ 1 y)) (* x y))) in y
0.214 * [taylor]: Taking taylor expansion of 0.5 in y
0.214 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (* x y)) in y
0.214 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
0.214 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.214 * [taylor]: Taking taylor expansion of x in y
0.214 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.214 * [taylor]: Taking taylor expansion of y in y
0.214 * [taylor]: Taking taylor expansion of (* x y) in y
0.214 * [taylor]: Taking taylor expansion of x in y
0.214 * [taylor]: Taking taylor expansion of y in y
0.214 * [taylor]: Taking taylor expansion of (* 0.5 (* (- (/ 1 x) (/ 1 y)) (* x y))) in x
0.214 * [taylor]: Taking taylor expansion of 0.5 in x
0.214 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (* x y)) in x
0.214 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.214 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.214 * [taylor]: Taking taylor expansion of x in x
0.214 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.214 * [taylor]: Taking taylor expansion of y in x
0.214 * [taylor]: Taking taylor expansion of (* x y) in x
0.214 * [taylor]: Taking taylor expansion of x in x
0.214 * [taylor]: Taking taylor expansion of y in x
0.214 * [taylor]: Taking taylor expansion of (* 0.5 (* (- (/ 1 x) (/ 1 y)) (* x y))) in x
0.214 * [taylor]: Taking taylor expansion of 0.5 in x
0.214 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (* x y)) in x
0.214 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.214 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.214 * [taylor]: Taking taylor expansion of x in x
0.214 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.214 * [taylor]: Taking taylor expansion of y in x
0.214 * [taylor]: Taking taylor expansion of (* x y) in x
0.214 * [taylor]: Taking taylor expansion of x in x
0.214 * [taylor]: Taking taylor expansion of y in x
0.214 * [taylor]: Taking taylor expansion of 0 in y
0.214 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
0.215 * [taylor]: Taking taylor expansion of 0.5 in y
0.215 * [taylor]: Taking taylor expansion of y in y
0.215 * [taylor]: Taking taylor expansion of (neg 0.5) in y
0.215 * [taylor]: Taking taylor expansion of 0.5 in y
0.215 * [taylor]: Taking taylor expansion of 0 in y
0.215 * [taylor]: Taking taylor expansion of 0 in y
0.216 * [taylor]: Taking taylor expansion of 0 in y
0.216 * [approximate]: Taking taylor expansion of (* 0.5 (* x (* y (- (/ 1 y) (/ 1 x))))) in (x y) around 0
0.216 * [taylor]: Taking taylor expansion of (* 0.5 (* x (* y (- (/ 1 y) (/ 1 x))))) in y
0.216 * [taylor]: Taking taylor expansion of 0.5 in y
0.216 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in y
0.216 * [taylor]: Taking taylor expansion of x in y
0.216 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in y
0.216 * [taylor]: Taking taylor expansion of y in y
0.216 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
0.216 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.216 * [taylor]: Taking taylor expansion of y in y
0.216 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.216 * [taylor]: Taking taylor expansion of x in y
0.216 * [taylor]: Taking taylor expansion of (* 0.5 (* x (* y (- (/ 1 y) (/ 1 x))))) in x
0.216 * [taylor]: Taking taylor expansion of 0.5 in x
0.216 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in x
0.216 * [taylor]: Taking taylor expansion of x in x
0.216 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in x
0.216 * [taylor]: Taking taylor expansion of y in x
0.216 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.216 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.216 * [taylor]: Taking taylor expansion of y in x
0.216 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.216 * [taylor]: Taking taylor expansion of x in x
0.217 * [taylor]: Taking taylor expansion of (* 0.5 (* x (* y (- (/ 1 y) (/ 1 x))))) in x
0.217 * [taylor]: Taking taylor expansion of 0.5 in x
0.217 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 y) (/ 1 x)))) in x
0.217 * [taylor]: Taking taylor expansion of x in x
0.217 * [taylor]: Taking taylor expansion of (* y (- (/ 1 y) (/ 1 x))) in x
0.217 * [taylor]: Taking taylor expansion of y in x
0.217 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.217 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.217 * [taylor]: Taking taylor expansion of y in x
0.217 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.217 * [taylor]: Taking taylor expansion of x in x
0.217 * [taylor]: Taking taylor expansion of 0 in y
0.217 * [taylor]: Taking taylor expansion of (neg (* 0.5 y)) in y
0.217 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
0.217 * [taylor]: Taking taylor expansion of 0.5 in y
0.217 * [taylor]: Taking taylor expansion of y in y
0.217 * [taylor]: Taking taylor expansion of 0.5 in y
0.218 * [taylor]: Taking taylor expansion of 0 in y
0.218 * [taylor]: Taking taylor expansion of 0 in y
0.218 * [taylor]: Taking taylor expansion of 0 in y
0.218 * * * [progress]: simplifying candidates
0.219 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (log (- x y)) (+ (+ (log x) (log 2.0)) (log y)))
  (- (log (- x y)) (+ (log (* x 2.0)) (log y)))
  (- (log (- x y)) (log (* (* x 2.0) y)))
  (log (/ (- x y) (* (* x 2.0) y)))
  (exp (/ (- x y) (* (* x 2.0) y)))
  (/ (* (* (- x y) (- x y)) (- x y)) (* (* (* (* x x) x) (* (* 2.0 2.0) 2.0)) (* (* y y) y)))
  (/ (* (* (- x y) (- x y)) (- x y)) (* (* (* (* x 2.0) (* x 2.0)) (* x 2.0)) (* (* y y) y)))
  (/ (* (* (- x y) (- x y)) (- x y)) (* (* (* (* x 2.0) y) (* (* x 2.0) y)) (* (* x 2.0) y)))
  (* (cbrt (/ (- x y) (* (* x 2.0) y))) (cbrt (/ (- x y) (* (* x 2.0) y))))
  (cbrt (/ (- x y) (* (* x 2.0) y)))
  (* (* (/ (- x y) (* (* x 2.0) y)) (/ (- x y) (* (* x 2.0) y))) (/ (- x y) (* (* x 2.0) y)))
  (sqrt (/ (- x y) (* (* x 2.0) y)))
  (sqrt (/ (- x y) (* (* x 2.0) y)))
  (neg (- x y))
  (neg (* (* x 2.0) y))
  (/ x (* (* x 2.0) y))
  (/ y (* (* x 2.0) y))
  (/ (* (cbrt (- x y)) (cbrt (- x y))) (* x 2.0))
  (/ (cbrt (- x y)) y)
  (/ (sqrt (- x y)) (* x 2.0))
  (/ (sqrt (- x y)) y)
  (/ 1 (* x 2.0))
  (/ (- x y) y)
  (/ (+ (sqrt x) (sqrt y)) (* x 2.0))
  (/ (- (sqrt x) (sqrt y)) y)
  (/ 1 (* x 2.0))
  (/ (- x y) y)
  (/ 1 (* (* x 2.0) y))
  (/ (* (* x 2.0) y) (- x y))
  (/ (- x y) (* x 2.0))
  (/ (* (* x 2.0) y) (cbrt (- x y)))
  (/ (* (* x 2.0) y) (sqrt (- x y)))
  (/ (* (* x 2.0) y) (- x y))
  (/ (* (* x 2.0) y) (- (sqrt x) (sqrt y)))
  (/ (* (* x 2.0) y) (- x y))
  (* (* (* x 2.0) y) (+ (* x x) (+ (* y y) (* x y))))
  (* (* (* x 2.0) y) (+ x y))
  (- (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))
  (- (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))
  (- (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))
0.249 * * [simplify]: iteration  0 :  6066  enodes  (cost  350 )
0.252 * [simplify]: Simplified to:
   (log (/ (- x y) (* x (* y 2.0))))
  (log (/ (- x y) (* x (* y 2.0))))
  (log (/ (- x y) (* x (* y 2.0))))
  (log (/ (- x y) (* x (* y 2.0))))
  (exp (/ (- x y) (* x (* y 2.0))))
  (pow (/ (- x y) (* x (* y 2.0))) 3)
  (pow (/ (- x y) (* x (* y 2.0))) 3)
  (pow (/ (- x y) (* x (* y 2.0))) 3)
  (* (cbrt (/ (- x y) (* x (* y 2.0)))) (cbrt (/ (- x y) (* x (* y 2.0)))))
  (cbrt (/ (- x y) (* x (* y 2.0))))
  (pow (/ (- x y) (* x (* y 2.0))) 3)
  (sqrt (/ (- x y) (* x (* y 2.0))))
  (sqrt (/ (- x y) (* x (* y 2.0))))
  (- y x)
  (* x (* y (neg 2.0)))
  (/ 1 (* y 2.0))
  (/ 1 (* x 2.0))
  (* (/ (cbrt (- x y)) x) (/ (cbrt (- x y)) 2.0))
  (/ (cbrt (- x y)) y)
  (/ (sqrt (- x y)) (* x 2.0))
  (/ (sqrt (- x y)) y)
  (/ 1 (* x 2.0))
  (+ (/ x y) -1)
  (/ (+ (sqrt x) (sqrt y)) (* x 2.0))
  (/ (- (sqrt x) (sqrt y)) y)
  (/ 1 (* x 2.0))
  (+ (/ x y) -1)
  (/ (/ 1 (* y 2.0)) x)
  (* (/ x (/ (- x y) 2.0)) y)
  (/ (- x y) (* x 2.0))
  (* (* (/ x (cbrt (- x y))) 2.0) y)
  (* (/ x (/ (sqrt (- x y)) 2.0)) y)
  (* (/ x (/ (- x y) 2.0)) y)
  (* (/ x (/ (- (sqrt x) (sqrt y)) 2.0)) y)
  (* (/ x (/ (- x y) 2.0)) y)
  (* x (* y (* 2.0 (+ (* x x) (* y (+ x y))))))
  (* x (* y (* 2.0 (+ x y))))
  (- (/ 0.5 y) (/ 0.5 x))
  (- (/ 0.5 y) (/ 0.5 x))
  (- (/ 0.5 y) (/ 0.5 x))
0.252 * * * [progress]: adding candidates to table
0.287 * * [progress]: iteration 2 / 4
0.287 * * * [progress]: picking best candidate
0.289 * * * * [pick]: Picked  #<alt (λ (x y) (- (/ 0.5 y) (/ 0.5 x)))>
0.289 * * * [progress]: localizing error
0.294 * * * [progress]: generating rewritten candidates
0.294 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.307 * * * [progress]: generating series expansions
0.307 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.307 * [approximate]: Taking taylor expansion of (- (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in (y x) around 0
0.307 * [taylor]: Taking taylor expansion of (- (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in x
0.307 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x
0.307 * [taylor]: Taking taylor expansion of 0.5 in x
0.308 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.308 * [taylor]: Taking taylor expansion of y in x
0.308 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.308 * [taylor]: Taking taylor expansion of 0.5 in x
0.308 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.308 * [taylor]: Taking taylor expansion of x in x
0.308 * [taylor]: Taking taylor expansion of (- (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in y
0.308 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
0.308 * [taylor]: Taking taylor expansion of 0.5 in y
0.308 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.308 * [taylor]: Taking taylor expansion of y in y
0.308 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in y
0.308 * [taylor]: Taking taylor expansion of 0.5 in y
0.308 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.308 * [taylor]: Taking taylor expansion of x in y
0.308 * [taylor]: Taking taylor expansion of (- (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in y
0.308 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
0.308 * [taylor]: Taking taylor expansion of 0.5 in y
0.308 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.308 * [taylor]: Taking taylor expansion of y in y
0.308 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in y
0.308 * [taylor]: Taking taylor expansion of 0.5 in y
0.308 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.308 * [taylor]: Taking taylor expansion of x in y
0.308 * [taylor]: Taking taylor expansion of 0.5 in x
0.308 * [taylor]: Taking taylor expansion of (neg (* 0.5 (/ 1 x))) in x
0.308 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.308 * [taylor]: Taking taylor expansion of 0.5 in x
0.308 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.308 * [taylor]: Taking taylor expansion of x in x
0.308 * [taylor]: Taking taylor expansion of 0 in x
0.309 * [taylor]: Taking taylor expansion of 0 in x
0.309 * [taylor]: Taking taylor expansion of 0 in x
0.309 * [approximate]: Taking taylor expansion of (- (* 0.5 y) (* 0.5 x)) in (y x) around 0
0.309 * [taylor]: Taking taylor expansion of (- (* 0.5 y) (* 0.5 x)) in x
0.309 * [taylor]: Taking taylor expansion of (* 0.5 y) in x
0.309 * [taylor]: Taking taylor expansion of 0.5 in x
0.309 * [taylor]: Taking taylor expansion of y in x
0.309 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.309 * [taylor]: Taking taylor expansion of 0.5 in x
0.309 * [taylor]: Taking taylor expansion of x in x
0.309 * [taylor]: Taking taylor expansion of (- (* 0.5 y) (* 0.5 x)) in y
0.309 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
0.309 * [taylor]: Taking taylor expansion of 0.5 in y
0.309 * [taylor]: Taking taylor expansion of y in y
0.309 * [taylor]: Taking taylor expansion of (* 0.5 x) in y
0.309 * [taylor]: Taking taylor expansion of 0.5 in y
0.309 * [taylor]: Taking taylor expansion of x in y
0.310 * [taylor]: Taking taylor expansion of (- (* 0.5 y) (* 0.5 x)) in y
0.310 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
0.310 * [taylor]: Taking taylor expansion of 0.5 in y
0.310 * [taylor]: Taking taylor expansion of y in y
0.310 * [taylor]: Taking taylor expansion of (* 0.5 x) in y
0.310 * [taylor]: Taking taylor expansion of 0.5 in y
0.310 * [taylor]: Taking taylor expansion of x in y
0.310 * [taylor]: Taking taylor expansion of (neg (* 0.5 x)) in x
0.310 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.310 * [taylor]: Taking taylor expansion of 0.5 in x
0.310 * [taylor]: Taking taylor expansion of x in x
0.310 * [taylor]: Taking taylor expansion of 0.5 in x
0.310 * [taylor]: Taking taylor expansion of 0 in x
0.310 * [taylor]: Taking taylor expansion of 0 in x
0.310 * [approximate]: Taking taylor expansion of (- (* 0.5 x) (* 0.5 y)) in (y x) around 0
0.310 * [taylor]: Taking taylor expansion of (- (* 0.5 x) (* 0.5 y)) in x
0.310 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.310 * [taylor]: Taking taylor expansion of 0.5 in x
0.310 * [taylor]: Taking taylor expansion of x in x
0.310 * [taylor]: Taking taylor expansion of (* 0.5 y) in x
0.310 * [taylor]: Taking taylor expansion of 0.5 in x
0.310 * [taylor]: Taking taylor expansion of y in x
0.310 * [taylor]: Taking taylor expansion of (- (* 0.5 x) (* 0.5 y)) in y
0.310 * [taylor]: Taking taylor expansion of (* 0.5 x) in y
0.311 * [taylor]: Taking taylor expansion of 0.5 in y
0.311 * [taylor]: Taking taylor expansion of x in y
0.311 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
0.311 * [taylor]: Taking taylor expansion of 0.5 in y
0.311 * [taylor]: Taking taylor expansion of y in y
0.311 * [taylor]: Taking taylor expansion of (- (* 0.5 x) (* 0.5 y)) in y
0.311 * [taylor]: Taking taylor expansion of (* 0.5 x) in y
0.311 * [taylor]: Taking taylor expansion of 0.5 in y
0.311 * [taylor]: Taking taylor expansion of x in y
0.311 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
0.311 * [taylor]: Taking taylor expansion of 0.5 in y
0.311 * [taylor]: Taking taylor expansion of y in y
0.311 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.311 * [taylor]: Taking taylor expansion of 0.5 in x
0.311 * [taylor]: Taking taylor expansion of x in x
0.311 * [taylor]: Taking taylor expansion of (neg 0.5) in x
0.311 * [taylor]: Taking taylor expansion of 0.5 in x
0.311 * [taylor]: Taking taylor expansion of 0 in x
0.311 * [taylor]: Taking taylor expansion of 0 in x
0.311 * * * [progress]: simplifying candidates
0.312 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (exp (/ 0.5 y)) (exp (/ 0.5 x)))
  (log (- (/ 0.5 y) (/ 0.5 x)))
  (exp (- (/ 0.5 y) (/ 0.5 x)))
  (* (cbrt (- (/ 0.5 y) (/ 0.5 x))) (cbrt (- (/ 0.5 y) (/ 0.5 x))))
  (cbrt (- (/ 0.5 y) (/ 0.5 x)))
  (* (* (- (/ 0.5 y) (/ 0.5 x)) (- (/ 0.5 y) (/ 0.5 x))) (- (/ 0.5 y) (/ 0.5 x)))
  (sqrt (- (/ 0.5 y) (/ 0.5 x)))
  (sqrt (- (/ 0.5 y) (/ 0.5 x)))
  (- (* 0.5 x) (* y 0.5))
  (* y x)
  (- (pow (/ 0.5 y) 3) (pow (/ 0.5 x) 3))
  (+ (* (/ 0.5 y) (/ 0.5 y)) (+ (* (/ 0.5 x) (/ 0.5 x)) (* (/ 0.5 y) (/ 0.5 x))))
  (neg (/ 0.5 x))
  (- (* (/ 0.5 y) (/ 0.5 y)) (* (/ 0.5 x) (/ 0.5 x)))
  (+ (/ 0.5 y) (/ 0.5 x))
  (+ (sqrt (/ 0.5 y)) (sqrt (/ 0.5 x)))
  (- (sqrt (/ 0.5 y)) (sqrt (/ 0.5 x)))
  (+ (sqrt (/ 0.5 y)) (/ (sqrt 0.5) (sqrt x)))
  (- (sqrt (/ 0.5 y)) (/ (sqrt 0.5) (sqrt x)))
  (+ (/ (sqrt 0.5) (sqrt y)) (sqrt (/ 0.5 x)))
  (- (/ (sqrt 0.5) (sqrt y)) (sqrt (/ 0.5 x)))
  (+ (/ (sqrt 0.5) (sqrt y)) (/ (sqrt 0.5) (sqrt x)))
  (- (/ (sqrt 0.5) (sqrt y)) (/ (sqrt 0.5) (sqrt x)))
  (- (/ (cbrt 0.5) y) (/ (cbrt 0.5) x))
  (- (/ (sqrt 0.5) y) (/ (sqrt 0.5) x))
  (- (/ 0.5 y) (/ 0.5 x))
  (- (/ 0.5 y) (/ 0.5 x))
  (- (/ 1 y) (/ 1 x))
  (- (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))
  (- (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))
  (- (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))
0.348 * * [simplify]: iteration  0 :  4896  enodes  (cost  274 )
0.349 * * [simplify]: iteration  1 :  4896  enodes  (cost  274 )
0.350 * [simplify]: Simplified to:
   (exp (- (/ 0.5 y) (/ 0.5 x)))
  (log (- (/ 0.5 y) (/ 0.5 x)))
  (exp (- (/ 0.5 y) (/ 0.5 x)))
  (* (cbrt (- (/ 0.5 y) (/ 0.5 x))) (cbrt (- (/ 0.5 y) (/ 0.5 x))))
  (cbrt (- (/ 0.5 y) (/ 0.5 x)))
  (pow (- (/ 0.5 y) (/ 0.5 x)) 3)
  (sqrt (- (/ 0.5 y) (/ 0.5 x)))
  (sqrt (- (/ 0.5 y) (/ 0.5 x)))
  (* 0.5 (- x y))
  (* y x)
  (- (pow (/ 0.5 y) 3) (pow (/ 0.5 x) 3))
  (* 0.5 (+ (/ 0.5 (* y y)) (/ (+ (/ 0.5 y) (/ 0.5 x)) x)))
  (/ (neg 0.5) x)
  (* 0.5 (- (/ 0.5 (* y y)) (/ 0.5 (* x x))))
  (+ (/ 0.5 y) (/ 0.5 x))
  (+ (sqrt (/ 0.5 y)) (sqrt (/ 0.5 x)))
  (- (sqrt (/ 0.5 y)) (sqrt (/ 0.5 x)))
  (+ (sqrt (/ 0.5 y)) (/ (sqrt 0.5) (sqrt x)))
  (- (sqrt (/ 0.5 y)) (/ (sqrt 0.5) (sqrt x)))
  (+ (sqrt (/ 0.5 x)) (/ (sqrt 0.5) (sqrt y)))
  (- (/ (sqrt 0.5) (sqrt y)) (sqrt (/ 0.5 x)))
  (+ (/ (sqrt 0.5) (sqrt x)) (/ (sqrt 0.5) (sqrt y)))
  (- (/ (sqrt 0.5) (sqrt y)) (/ (sqrt 0.5) (sqrt x)))
  (- (/ (cbrt 0.5) y) (/ (cbrt 0.5) x))
  (- (/ (sqrt 0.5) y) (/ (sqrt 0.5) x))
  (- (/ 0.5 y) (/ 0.5 x))
  (- (/ 0.5 y) (/ 0.5 x))
  (+ (/ 1 y) (/ -1 x))
  (- (/ 0.5 y) (/ 0.5 x))
  (- (/ 0.5 y) (/ 0.5 x))
  (- (/ 0.5 y) (/ 0.5 x))
0.350 * * * [progress]: adding candidates to table
0.380 * [progress]: [Phase 3 of 3] Extracting.
0.380 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (/ (- x y) (* (* x 2.0) y)))> #<alt (λ (x y) (- (/ 0.5 y) (/ 0.5 x)))>)
0.382 * * * [regime-changes]: Trying 3 branch expressions: ((/ (- x y) (* (* x 2.0) y)) y x)
0.382 * * * * [regimes]: Trying to branch on (/ (- x y) (* (* x 2.0) y)) from (#<alt (λ (x y) (/ (- x y) (* (* x 2.0) y)))> #<alt (λ (x y) (- (/ 0.5 y) (/ 0.5 x)))>)
0.415 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (/ (- x y) (* (* x 2.0) y)))> #<alt (λ (x y) (- (/ 0.5 y) (/ 0.5 x)))>)
0.447 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (/ (- x y) (* (* x 2.0) y)))> #<alt (λ (x y) (- (/ 0.5 y) (/ 0.5 x)))>)
0.477 * * * [regime]: Found split indices: #<option (#s(si 1 256))>
0.477 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (/ 0.5 y) (/ 0.5 x))
0.478 * * [simplify]: iteration  0 :  23  enodes  (cost  7 )
0.478 * * [simplify]: iteration  1 :  23  enodes  (cost  7 )
0.478 * [simplify]: Simplified to:
   (- (/ 0.5 y) (/ 0.5 x))
0.478 * * * * [points]: Sampling 8000 additional inputs, on iter 0 have 0 / 8000
0.544 * * * * [points]: Computing exacts on every 500 of 8000 points to ramp up precision
0.545 * * * * [points]: Setting MPFR precision to 64
0.545 * * * * [points]: Setting MPFR precision to 320
0.545 * * * * [points]: Computing exacts on every 250 of 8000 points to ramp up precision
0.545 * * * * [points]: Setting MPFR precision to 64
0.546 * * * * [points]: Setting MPFR precision to 320
0.546 * * * * [points]: Computing exacts on every 125 of 8000 points to ramp up precision
0.546 * * * * [points]: Setting MPFR precision to 64
0.547 * * * * [points]: Setting MPFR precision to 320
0.548 * * * * [points]: Computing exacts on every 62 of 8000 points to ramp up precision
0.548 * * * * [points]: Setting MPFR precision to 64
0.549 * * * * [points]: Setting MPFR precision to 320
0.551 * * * * [points]: Computing exacts on every 31 of 8000 points to ramp up precision
0.551 * * * * [points]: Setting MPFR precision to 64
0.554 * * * * [points]: Setting MPFR precision to 320
0.562 * * * * [points]: Computing exacts on every 15 of 8000 points to ramp up precision
0.562 * * * * [points]: Setting MPFR precision to 64
0.568 * * * * [points]: Setting MPFR precision to 320
0.575 * * * * [points]: Computing exacts on every 7 of 8000 points to ramp up precision
0.575 * * * * [points]: Setting MPFR precision to 64
0.587 * * * * [points]: Setting MPFR precision to 320
0.600 * * * * [points]: Computing exacts on every 3 of 8000 points to ramp up precision
0.601 * * * * [points]: Setting MPFR precision to 64
0.625 * * * * [points]: Setting MPFR precision to 320
0.653 * * * * [points]: Computing exacts for 8000 points
0.654 * * * * [points]: Setting MPFR precision to 64
0.754 * * * * [points]: Setting MPFR precision to 320
0.857 * * * * [points]: Setting MPFR precision to 576
0.963 * * * * [points]: Filtering points with unrepresentable outputs
0.976 * * * * [points]: Sampling 4 additional inputs, on iter 1 have 7998 / 8000
0.976 * * * * [points]: Computing exacts for 4 points
0.976 * * * * [points]: Setting MPFR precision to 320
0.976 * * * * [points]: Setting MPFR precision to 576
0.976 * * * * [points]: Filtering points with unrepresentable outputs
0.976 * * * * [points]: Sampled 8002 points with exact outputs
1.425 * [regime-testing]: End program error score: 0.014
1.490 * [regime-testing]: Target error score: 0.014