1.644 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.012 * * * [progress]: [2/2] Setting up program.
0.014 * [progress]: [Phase 2 of 3] Improving.
0.014 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (/ x (* y y))
0.015 * * [simplify]: iteration  0 :  4  enodes  (cost  5 )
0.016 * * [simplify]: iteration  1 :  6  enodes  (cost  5 )
0.016 * * [simplify]: iteration  done :  6  enodes  (cost  5 )
0.016 * [simplify]: Simplified to:
   (/ x (* y y))
0.017 * * [progress]: iteration 1 / 4
0.017 * * * [progress]: picking best candidate
0.018 * * * * [pick]: Picked  #<alt (λ (x y) (/ x (* y y)))>
0.018 * * * [progress]: localizing error
0.021 * * * [progress]: generating rewritten candidates
0.021 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.025 * * * [progress]: generating series expansions
0.025 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.025 * [approximate]: Taking taylor expansion of (/ x (pow y 2)) in (x y) around 0
0.025 * [taylor]: Taking taylor expansion of (/ x (pow y 2)) in y
0.025 * [taylor]: Taking taylor expansion of x in y
0.025 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.025 * [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
0.026 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.026 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.026 * [taylor]: Taking taylor expansion of y in y
0.027 * [taylor]: Taking taylor expansion of 0 in y
0.028 * [taylor]: Taking taylor expansion of 0 in y
0.030 * [taylor]: Taking taylor expansion of 0 in y
0.032 * [taylor]: Taking taylor expansion of 0 in y
0.032 * [approximate]: Taking taylor expansion of (/ (pow y 2) x) in (x y) around 0
0.032 * [taylor]: Taking taylor expansion of (/ (pow y 2) x) 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 x in y
0.033 * [taylor]: Taking taylor expansion of (/ (pow y 2) x) 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 x in x
0.033 * [taylor]: Taking taylor expansion of (/ (pow y 2) x) 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 x in x
0.033 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.033 * [taylor]: Taking taylor expansion of y in y
0.034 * [taylor]: Taking taylor expansion of 0 in y
0.036 * [taylor]: Taking taylor expansion of 0 in y
0.038 * [taylor]: Taking taylor expansion of 0 in y
0.038 * [approximate]: Taking taylor expansion of (* -1 (/ (pow y 2) x)) in (x y) around 0
0.038 * [taylor]: Taking taylor expansion of (* -1 (/ (pow y 2) x)) in y
0.038 * [taylor]: Taking taylor expansion of -1 in y
0.038 * [taylor]: Taking taylor expansion of (/ (pow y 2) x) in y
0.038 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.038 * [taylor]: Taking taylor expansion of y in y
0.038 * [taylor]: Taking taylor expansion of x in y
0.039 * [taylor]: Taking taylor expansion of (* -1 (/ (pow y 2) x)) in x
0.039 * [taylor]: Taking taylor expansion of -1 in x
0.039 * [taylor]: Taking taylor expansion of (/ (pow y 2) x) in x
0.039 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.039 * [taylor]: Taking taylor expansion of y in x
0.039 * [taylor]: Taking taylor expansion of x in x
0.039 * [taylor]: Taking taylor expansion of (* -1 (/ (pow y 2) x)) in x
0.039 * [taylor]: Taking taylor expansion of -1 in x
0.039 * [taylor]: Taking taylor expansion of (/ (pow y 2) x) in x
0.039 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.039 * [taylor]: Taking taylor expansion of y in x
0.039 * [taylor]: Taking taylor expansion of x in x
0.039 * [taylor]: Taking taylor expansion of (* -1 (pow y 2)) in y
0.039 * [taylor]: Taking taylor expansion of -1 in y
0.039 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.039 * [taylor]: Taking taylor expansion of y in y
0.041 * [taylor]: Taking taylor expansion of 0 in y
0.043 * [taylor]: Taking taylor expansion of 0 in y
0.046 * [taylor]: Taking taylor expansion of 0 in y
0.047 * * * [progress]: simplifying candidates
0.047 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (expm1 (/ x (* y y)))
  (log1p (/ x (* y y)))
  (- (log x) (+ (log y) (log y)))
  (- (log x) (log (* y y)))
  (log (/ x (* y y)))
  (exp (/ x (* y y)))
  (/ (* (* x x) x) (* (* (* y y) y) (* (* y y) y)))
  (/ (* (* x x) x) (* (* (* y y) (* y y)) (* 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)))
  (- x)
  (- (* y y))
  (/ (* (cbrt x) (cbrt x)) y)
  (/ (cbrt x) y)
  (/ (sqrt x) y)
  (/ (sqrt x) y)
  (/ 1 y)
  (/ x y)
  (/ 1 (* y y))
  (/ (* y y) x)
  (/ x y)
  (/ (* y y) (cbrt x))
  (/ (* y y) (sqrt x))
  (/ (* y y) x)
  (/ x (pow y 2))
  (/ x (pow y 2))
  (/ x (pow y 2))
0.049 * * [simplify]: iteration  0 :  45  enodes  (cost  197 )
0.056 * * [simplify]: iteration  1 :  97  enodes  (cost  194 )
0.078 * * [simplify]: iteration  2 :  279  enodes  (cost  164 )
0.180 * * [simplify]: iteration  3 :  1008  enodes  (cost  164 )
0.985 * * [simplify]: iteration  4 :  3806  enodes  (cost  164 )
2.315 * * [simplify]: iteration  done :  5000  enodes  (cost  164 )
2.315 * [simplify]: Simplified to:
   (expm1 (/ x (* y y)))
  (log1p (/ x (* y y)))
  (log (/ x (* y y)))
  (log (/ x (* y y)))
  (log (/ x (* y y)))
  (exp (/ x (* y y)))
  (pow (/ x (pow y 2)) 3)
  (pow (/ x (pow y 2)) 3)
  (* (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)))
  (- x)
  (- (* y y))
  (/ (* (cbrt x) (cbrt x)) y)
  (/ (cbrt x) y)
  (/ (sqrt x) y)
  (/ (sqrt x) y)
  (/ 1 y)
  (/ x y)
  (/ 1 (* y y))
  (/ y (/ x y))
  (/ x y)
  (/ (* y y) (cbrt x))
  (/ (* y y) (sqrt x))
  (/ y (/ x y))
  (/ x (pow y 2))
  (/ x (pow y 2))
  (/ x (pow y 2))
2.315 * * * [progress]: adding candidates to table
2.356 * * [progress]: iteration 2 / 4
2.356 * * * [progress]: picking best candidate
2.362 * * * * [pick]: Picked  #<alt (λ (x y) (/ (/ x y) y))>
2.362 * * * [progress]: localizing error
2.365 * * * [progress]: generating rewritten candidates
2.365 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
2.374 * * * [progress]: generating series expansions
2.374 * * * * [progress]: [ 1 / 1 ] generating series at (2)
2.374 * [approximate]: Taking taylor expansion of (/ x (pow y 2)) in (x y) around 0
2.374 * [taylor]: Taking taylor expansion of (/ x (pow y 2)) in y
2.374 * [taylor]: Taking taylor expansion of x in y
2.374 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.374 * [taylor]: Taking taylor expansion of y in y
2.375 * [taylor]: Taking taylor expansion of (/ x (pow y 2)) in x
2.375 * [taylor]: Taking taylor expansion of x in x
2.375 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.375 * [taylor]: Taking taylor expansion of y in x
2.375 * [taylor]: Taking taylor expansion of (/ x (pow y 2)) in x
2.375 * [taylor]: Taking taylor expansion of x in x
2.375 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.375 * [taylor]: Taking taylor expansion of y in x
2.375 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
2.375 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.375 * [taylor]: Taking taylor expansion of y in y
2.376 * [taylor]: Taking taylor expansion of 0 in y
2.377 * [taylor]: Taking taylor expansion of 0 in y
2.379 * [taylor]: Taking taylor expansion of 0 in y
2.381 * [taylor]: Taking taylor expansion of 0 in y
2.381 * [approximate]: Taking taylor expansion of (/ (pow y 2) x) in (x y) around 0
2.381 * [taylor]: Taking taylor expansion of (/ (pow y 2) x) in y
2.381 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.381 * [taylor]: Taking taylor expansion of y in y
2.381 * [taylor]: Taking taylor expansion of x in y
2.382 * [taylor]: Taking taylor expansion of (/ (pow y 2) x) in x
2.382 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.382 * [taylor]: Taking taylor expansion of y in x
2.382 * [taylor]: Taking taylor expansion of x in x
2.382 * [taylor]: Taking taylor expansion of (/ (pow y 2) x) in x
2.382 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.382 * [taylor]: Taking taylor expansion of y in x
2.382 * [taylor]: Taking taylor expansion of x in x
2.382 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.382 * [taylor]: Taking taylor expansion of y in y
2.383 * [taylor]: Taking taylor expansion of 0 in y
2.384 * [taylor]: Taking taylor expansion of 0 in y
2.386 * [taylor]: Taking taylor expansion of 0 in y
2.387 * [approximate]: Taking taylor expansion of (* -1 (/ (pow y 2) x)) in (x y) around 0
2.387 * [taylor]: Taking taylor expansion of (* -1 (/ (pow y 2) x)) in y
2.387 * [taylor]: Taking taylor expansion of -1 in y
2.387 * [taylor]: Taking taylor expansion of (/ (pow y 2) x) in y
2.387 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.387 * [taylor]: Taking taylor expansion of y in y
2.387 * [taylor]: Taking taylor expansion of x in y
2.387 * [taylor]: Taking taylor expansion of (* -1 (/ (pow y 2) x)) in x
2.387 * [taylor]: Taking taylor expansion of -1 in x
2.387 * [taylor]: Taking taylor expansion of (/ (pow y 2) x) in x
2.387 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.387 * [taylor]: Taking taylor expansion of y in x
2.387 * [taylor]: Taking taylor expansion of x in x
2.387 * [taylor]: Taking taylor expansion of (* -1 (/ (pow y 2) x)) in x
2.387 * [taylor]: Taking taylor expansion of -1 in x
2.387 * [taylor]: Taking taylor expansion of (/ (pow y 2) x) in x
2.387 * [taylor]: Taking taylor expansion of (pow y 2) in x
2.387 * [taylor]: Taking taylor expansion of y in x
2.387 * [taylor]: Taking taylor expansion of x in x
2.388 * [taylor]: Taking taylor expansion of (* -1 (pow y 2)) in y
2.388 * [taylor]: Taking taylor expansion of -1 in y
2.388 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.388 * [taylor]: Taking taylor expansion of y in y
2.389 * [taylor]: Taking taylor expansion of 0 in y
2.392 * [taylor]: Taking taylor expansion of 0 in y
2.395 * [taylor]: Taking taylor expansion of 0 in y
2.395 * * * [progress]: simplifying candidates
2.396 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (expm1 (/ (/ x y) y))
  (log1p (/ (/ x y) y))
  (- (- (log x) (log y)) (log y))
  (- (log (/ x y)) (log y))
  (log (/ (/ x y) y))
  (exp (/ (/ x y) y))
  (/ (/ (* (* x x) x) (* (* y y) y)) (* (* y y) y))
  (/ (* (* (/ x y) (/ x y)) (/ x y)) (* (* y 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))
  (- (/ x y))
  (- y)
  (/ (* (cbrt (/ x y)) (cbrt (/ x y))) (* (cbrt y) (cbrt y)))
  (/ (cbrt (/ x y)) (cbrt y))
  (/ (* (cbrt (/ x y)) (cbrt (/ x y))) (sqrt y))
  (/ (cbrt (/ x y)) (sqrt y))
  (/ (* (cbrt (/ x y)) (cbrt (/ x y))) 1)
  (/ (cbrt (/ x y)) y)
  (/ (sqrt (/ x y)) (* (cbrt y) (cbrt y)))
  (/ (sqrt (/ x y)) (cbrt y))
  (/ (sqrt (/ x y)) (sqrt y))
  (/ (sqrt (/ x y)) (sqrt y))
  (/ (sqrt (/ x y)) 1)
  (/ (sqrt (/ x y)) y)
  (/ (/ (* (cbrt x) (cbrt x)) (* (cbrt y) (cbrt y))) (* (cbrt y) (cbrt y)))
  (/ (/ (cbrt x) (cbrt y)) (cbrt y))
  (/ (/ (* (cbrt x) (cbrt x)) (* (cbrt y) (cbrt y))) (sqrt y))
  (/ (/ (cbrt x) (cbrt y)) (sqrt y))
  (/ (/ (* (cbrt x) (cbrt x)) (* (cbrt y) (cbrt y))) 1)
  (/ (/ (cbrt x) (cbrt y)) y)
  (/ (/ (* (cbrt x) (cbrt x)) (sqrt y)) (* (cbrt y) (cbrt y)))
  (/ (/ (cbrt x) (sqrt y)) (cbrt y))
  (/ (/ (* (cbrt x) (cbrt x)) (sqrt y)) (sqrt y))
  (/ (/ (cbrt x) (sqrt y)) (sqrt y))
  (/ (/ (* (cbrt x) (cbrt x)) (sqrt y)) 1)
  (/ (/ (cbrt x) (sqrt y)) y)
  (/ (/ (* (cbrt x) (cbrt x)) 1) (* (cbrt y) (cbrt y)))
  (/ (/ (cbrt x) y) (cbrt y))
  (/ (/ (* (cbrt x) (cbrt x)) 1) (sqrt y))
  (/ (/ (cbrt x) y) (sqrt y))
  (/ (/ (* (cbrt x) (cbrt x)) 1) 1)
  (/ (/ (cbrt x) y) y)
  (/ (/ (sqrt x) (* (cbrt y) (cbrt y))) (* (cbrt y) (cbrt y)))
  (/ (/ (sqrt x) (cbrt y)) (cbrt y))
  (/ (/ (sqrt x) (* (cbrt y) (cbrt y))) (sqrt y))
  (/ (/ (sqrt x) (cbrt y)) (sqrt y))
  (/ (/ (sqrt x) (* (cbrt y) (cbrt y))) 1)
  (/ (/ (sqrt x) (cbrt y)) y)
  (/ (/ (sqrt x) (sqrt y)) (* (cbrt y) (cbrt y)))
  (/ (/ (sqrt x) (sqrt y)) (cbrt y))
  (/ (/ (sqrt x) (sqrt y)) (sqrt y))
  (/ (/ (sqrt x) (sqrt y)) (sqrt y))
  (/ (/ (sqrt x) (sqrt y)) 1)
  (/ (/ (sqrt x) (sqrt y)) y)
  (/ (/ (sqrt x) 1) (* (cbrt y) (cbrt y)))
  (/ (/ (sqrt x) y) (cbrt y))
  (/ (/ (sqrt x) 1) (sqrt y))
  (/ (/ (sqrt x) y) (sqrt y))
  (/ (/ (sqrt x) 1) 1)
  (/ (/ (sqrt x) y) y)
  (/ (/ 1 (* (cbrt y) (cbrt y))) (* (cbrt y) (cbrt y)))
  (/ (/ x (cbrt y)) (cbrt y))
  (/ (/ 1 (* (cbrt y) (cbrt y))) (sqrt y))
  (/ (/ x (cbrt y)) (sqrt y))
  (/ (/ 1 (* (cbrt y) (cbrt y))) 1)
  (/ (/ x (cbrt y)) y)
  (/ (/ 1 (sqrt y)) (* (cbrt y) (cbrt y)))
  (/ (/ x (sqrt y)) (cbrt y))
  (/ (/ 1 (sqrt y)) (sqrt y))
  (/ (/ x (sqrt y)) (sqrt y))
  (/ (/ 1 (sqrt y)) 1)
  (/ (/ x (sqrt y)) y)
  (/ (/ 1 1) (* (cbrt y) (cbrt y)))
  (/ (/ x y) (cbrt y))
  (/ (/ 1 1) (sqrt y))
  (/ (/ x y) (sqrt y))
  (/ (/ 1 1) 1)
  (/ (/ x y) y)
  (/ 1 (* (cbrt y) (cbrt y)))
  (/ (/ x y) (cbrt y))
  (/ 1 (sqrt y))
  (/ (/ x y) (sqrt y))
  (/ 1 1)
  (/ (/ x y) y)
  (/ x (* (cbrt y) (cbrt y)))
  (/ (/ 1 y) (cbrt y))
  (/ x (sqrt y))
  (/ (/ 1 y) (sqrt y))
  (/ x 1)
  (/ (/ 1 y) y)
  (/ 1 y)
  (/ y (/ x y))
  (/ (/ x y) (* (cbrt y) (cbrt y)))
  (/ (/ x y) (sqrt y))
  (/ (/ x y) 1)
  (/ y (cbrt (/ x y)))
  (/ y (sqrt (/ x y)))
  (/ y (/ (cbrt x) (cbrt y)))
  (/ y (/ (cbrt x) (sqrt y)))
  (/ y (/ (cbrt x) y))
  (/ y (/ (sqrt x) (cbrt y)))
  (/ y (/ (sqrt x) (sqrt y)))
  (/ y (/ (sqrt x) y))
  (/ y (/ x (cbrt y)))
  (/ y (/ x (sqrt y)))
  (/ y (/ x y))
  (/ y (/ x y))
  (/ y (/ 1 y))
  (* y y)
  (/ x (pow y 2))
  (/ x (pow y 2))
  (/ x (pow y 2))
2.400 * * [simplify]: iteration  0 :  142  enodes  (cost  874 )
2.438 * * [simplify]: iteration  1 :  313  enodes  (cost  825 )
2.526 * * [simplify]: iteration  2 :  748  enodes  (cost  769 )
2.928 * * [simplify]: iteration  3 :  2106  enodes  (cost  757 )
4.118 * * [simplify]: iteration  done :  5000  enodes  (cost  748 )
4.119 * [simplify]: Simplified to:
   (expm1 (/ (/ x y) y))
  (log1p (/ (/ x y) y))
  (log (/ (/ x y) y))
  (log (/ (/ x y) y))
  (log (/ (/ x y) y))
  (exp (/ (/ x y) y))
  (pow (/ x (pow y 2)) 3)
  (pow (/ x (pow y 2)) 3)
  (* (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))
  (- (/ x y))
  (- y)
  (/ (* (cbrt (/ x y)) (cbrt (/ x y))) (* (cbrt y) (cbrt y)))
  (/ (cbrt (/ x y)) (cbrt y))
  (/ (* (cbrt (/ x y)) (cbrt (/ x y))) (sqrt y))
  (/ (cbrt (/ x y)) (sqrt y))
  (* (cbrt (/ x y)) (cbrt (/ x y)))
  (/ (cbrt (/ x y)) y)
  (/ (sqrt (/ x y)) (* (cbrt y) (cbrt y)))
  (/ (sqrt (/ x y)) (cbrt y))
  (/ (sqrt (/ x y)) (sqrt y))
  (/ (sqrt (/ x y)) (sqrt y))
  (sqrt (/ x y))
  (/ (sqrt (/ x y)) y)
  (/ (/ (cbrt x) (cbrt y)) (/ y (cbrt x)))
  (/ (/ (cbrt x) (cbrt y)) (cbrt y))
  (/ (/ (* (cbrt x) (cbrt x)) (* (cbrt y) (cbrt y))) (sqrt y))
  (/ (/ (cbrt x) (cbrt y)) (sqrt y))
  (/ (* (cbrt x) (cbrt x)) (* (cbrt y) (cbrt y)))
  (/ (cbrt x) (* y (cbrt y)))
  (/ (/ (* (cbrt x) (cbrt x)) (* (cbrt y) (cbrt y))) (sqrt y))
  (/ (/ (cbrt x) (cbrt y)) (sqrt y))
  (/ (* (cbrt x) (cbrt x)) y)
  (/ (cbrt x) y)
  (/ (* (cbrt x) (cbrt x)) (sqrt y))
  (/ (/ (cbrt x) (sqrt y)) y)
  (/ (* (cbrt x) (cbrt x)) (* (cbrt y) (cbrt y)))
  (/ (cbrt x) (* y (cbrt y)))
  (/ (* (cbrt x) (cbrt x)) (sqrt y))
  (/ (/ (cbrt x) (sqrt y)) y)
  (* (cbrt x) (cbrt x))
  (/ (/ (cbrt x) y) y)
  (/ (sqrt x) (* y (cbrt y)))
  (/ (sqrt x) (* (cbrt y) (cbrt y)))
  (/ (/ (sqrt x) (* (cbrt y) (cbrt y))) (sqrt y))
  (/ (/ (sqrt x) (cbrt y)) (sqrt y))
  (/ (sqrt x) (* (cbrt y) (cbrt y)))
  (/ (sqrt x) (* y (cbrt y)))
  (/ (/ (sqrt x) (* (cbrt y) (cbrt y))) (sqrt y))
  (/ (/ (sqrt x) (cbrt y)) (sqrt y))
  (/ (sqrt x) y)
  (/ (sqrt x) y)
  (/ (sqrt x) (sqrt y))
  (/ (/ (sqrt x) (sqrt y)) y)
  (/ (sqrt x) (* (cbrt y) (cbrt y)))
  (/ (sqrt x) (* y (cbrt y)))
  (/ (sqrt x) (sqrt y))
  (/ (/ (sqrt x) (sqrt y)) y)
  (sqrt x)
  (/ (/ (sqrt x) y) y)
  (/ (/ 1 y) (cbrt y))
  (/ x (* (cbrt y) (cbrt y)))
  (/ (/ 1 (* (cbrt y) (cbrt y))) (sqrt y))
  (/ (/ x (cbrt y)) (sqrt y))
  (/ 1 (* (cbrt y) (cbrt y)))
  (/ (/ x (cbrt y)) y)
  (/ (/ 1 (* (cbrt y) (cbrt y))) (sqrt y))
  (/ (/ x (cbrt y)) (sqrt y))
  (/ 1 y)
  (/ x y)
  (/ 1 (sqrt y))
  (/ (/ x (sqrt y)) y)
  (/ 1 (* (cbrt y) (cbrt y)))
  (/ (/ x (cbrt y)) y)
  (/ 1 (sqrt y))
  (/ (/ x (sqrt y)) y)
  1
  (/ x (pow y 2))
  (/ 1 (* (cbrt y) (cbrt y)))
  (/ (/ x (cbrt y)) y)
  (/ 1 (sqrt y))
  (/ (/ x (sqrt y)) y)
  1
  (/ x (pow y 2))
  (/ x (* (cbrt y) (cbrt y)))
  (/ (/ 1 y) (cbrt y))
  (/ x (sqrt y))
  (/ (/ 1 y) (sqrt y))
  x
  (/ (/ 1 y) y)
  (/ 1 y)
  (* (/ y x) y)
  (/ (/ x y) (* (cbrt y) (cbrt y)))
  (/ (/ x (sqrt y)) y)
  (/ x y)
  (/ y (cbrt (/ x y)))
  (/ y (sqrt (/ x y)))
  (* (/ (cbrt y) (cbrt x)) y)
  (/ y (/ (cbrt x) (sqrt y)))
  (/ y (/ (cbrt x) y))
  (/ y (/ (sqrt x) (cbrt y)))
  (/ y (/ (sqrt x) (sqrt y)))
  (/ y (/ (sqrt x) y))
  (/ y (/ x (cbrt y)))
  (/ y (/ x (sqrt y)))
  (* (/ y x) y)
  (* (/ y x) y)
  (pow y 2)
  (pow y 2)
  (/ x (pow y 2))
  (/ x (pow y 2))
  (/ x (pow y 2))
4.119 * * * [progress]: adding candidates to table
4.232 * * [progress]: iteration 3 / 4
4.232 * * * [progress]: picking best candidate
4.242 * * * * [pick]: Picked  #<alt (λ (x y) (/ (/ 1 1) (* (/ y x) y)))>
4.242 * * * [progress]: localizing error
4.248 * * * [progress]: generating rewritten candidates
4.248 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
4.256 * * * * [progress]: [ 2 / 2 ] rewriting at (2 2)
4.267 * * * [progress]: generating series expansions
4.267 * * * * [progress]: [ 1 / 2 ] generating series at (2)
4.268 * [approximate]: Taking taylor expansion of (/ x (pow y 2)) in (y x) around 0
4.268 * [taylor]: Taking taylor expansion of (/ x (pow y 2)) in x
4.268 * [taylor]: Taking taylor expansion of x in x
4.268 * [taylor]: Taking taylor expansion of (pow y 2) in x
4.268 * [taylor]: Taking taylor expansion of y in x
4.268 * [taylor]: Taking taylor expansion of (/ x (pow y 2)) in y
4.268 * [taylor]: Taking taylor expansion of x in y
4.268 * [taylor]: Taking taylor expansion of (pow y 2) in y
4.268 * [taylor]: Taking taylor expansion of y in y
4.268 * [taylor]: Taking taylor expansion of (/ x (pow y 2)) in y
4.269 * [taylor]: Taking taylor expansion of x in y
4.269 * [taylor]: Taking taylor expansion of (pow y 2) in y
4.269 * [taylor]: Taking taylor expansion of y in y
4.269 * [taylor]: Taking taylor expansion of x in x
4.270 * [taylor]: Taking taylor expansion of 0 in x
4.271 * [taylor]: Taking taylor expansion of 0 in x
4.273 * [taylor]: Taking taylor expansion of 0 in x
4.273 * [approximate]: Taking taylor expansion of (/ (pow y 2) x) in (y x) around 0
4.273 * [taylor]: Taking taylor expansion of (/ (pow y 2) x) in x
4.273 * [taylor]: Taking taylor expansion of (pow y 2) in x
4.273 * [taylor]: Taking taylor expansion of y in x
4.273 * [taylor]: Taking taylor expansion of x in x
4.274 * [taylor]: Taking taylor expansion of (/ (pow y 2) x) in y
4.274 * [taylor]: Taking taylor expansion of (pow y 2) in y
4.274 * [taylor]: Taking taylor expansion of y in y
4.274 * [taylor]: Taking taylor expansion of x in y
4.274 * [taylor]: Taking taylor expansion of (/ (pow y 2) x) in y
4.274 * [taylor]: Taking taylor expansion of (pow y 2) in y
4.274 * [taylor]: Taking taylor expansion of y in y
4.274 * [taylor]: Taking taylor expansion of x in y
4.274 * [taylor]: Taking taylor expansion of (/ 1 x) in x
4.274 * [taylor]: Taking taylor expansion of x in x
4.275 * [taylor]: Taking taylor expansion of 0 in x
4.276 * [taylor]: Taking taylor expansion of 0 in x
4.277 * [taylor]: Taking taylor expansion of 0 in x
4.279 * [approximate]: Taking taylor expansion of (* -1 (/ (pow y 2) x)) in (y x) around 0
4.279 * [taylor]: Taking taylor expansion of (* -1 (/ (pow y 2) x)) in x
4.279 * [taylor]: Taking taylor expansion of -1 in x
4.279 * [taylor]: Taking taylor expansion of (/ (pow y 2) x) in x
4.279 * [taylor]: Taking taylor expansion of (pow y 2) in x
4.279 * [taylor]: Taking taylor expansion of y in x
4.279 * [taylor]: Taking taylor expansion of x in x
4.279 * [taylor]: Taking taylor expansion of (* -1 (/ (pow y 2) x)) in y
4.279 * [taylor]: Taking taylor expansion of -1 in y
4.279 * [taylor]: Taking taylor expansion of (/ (pow y 2) x) in y
4.279 * [taylor]: Taking taylor expansion of (pow y 2) in y
4.279 * [taylor]: Taking taylor expansion of y in y
4.279 * [taylor]: Taking taylor expansion of x in y
4.279 * [taylor]: Taking taylor expansion of (* -1 (/ (pow y 2) x)) in y
4.279 * [taylor]: Taking taylor expansion of -1 in y
4.279 * [taylor]: Taking taylor expansion of (/ (pow y 2) x) in y
4.279 * [taylor]: Taking taylor expansion of (pow y 2) in y
4.279 * [taylor]: Taking taylor expansion of y in y
4.279 * [taylor]: Taking taylor expansion of x in y
4.280 * [taylor]: Taking taylor expansion of (/ -1 x) in x
4.280 * [taylor]: Taking taylor expansion of -1 in x
4.280 * [taylor]: Taking taylor expansion of x in x
4.281 * [taylor]: Taking taylor expansion of 0 in x
4.282 * [taylor]: Taking taylor expansion of 0 in x
4.284 * [taylor]: Taking taylor expansion of 0 in x
4.285 * * * * [progress]: [ 2 / 2 ] generating series at (2 2)
4.285 * [approximate]: Taking taylor expansion of (/ (pow y 2) x) in (y x) around 0
4.285 * [taylor]: Taking taylor expansion of (/ (pow y 2) x) in x
4.285 * [taylor]: Taking taylor expansion of (pow y 2) in x
4.285 * [taylor]: Taking taylor expansion of y in x
4.285 * [taylor]: Taking taylor expansion of x in x
4.285 * [taylor]: Taking taylor expansion of (/ (pow y 2) x) in y
4.285 * [taylor]: Taking taylor expansion of (pow y 2) in y
4.285 * [taylor]: Taking taylor expansion of y in y
4.285 * [taylor]: Taking taylor expansion of x in y
4.285 * [taylor]: Taking taylor expansion of (/ (pow y 2) x) in y
4.285 * [taylor]: Taking taylor expansion of (pow y 2) in y
4.285 * [taylor]: Taking taylor expansion of y in y
4.286 * [taylor]: Taking taylor expansion of x in y
4.286 * [taylor]: Taking taylor expansion of (/ 1 x) in x
4.286 * [taylor]: Taking taylor expansion of x in x
4.287 * [taylor]: Taking taylor expansion of 0 in x
4.288 * [taylor]: Taking taylor expansion of 0 in x
4.289 * [taylor]: Taking taylor expansion of 0 in x
4.289 * [approximate]: Taking taylor expansion of (/ x (pow y 2)) in (y x) around 0
4.289 * [taylor]: Taking taylor expansion of (/ x (pow y 2)) in x
4.289 * [taylor]: Taking taylor expansion of x in x
4.289 * [taylor]: Taking taylor expansion of (pow y 2) in x
4.289 * [taylor]: Taking taylor expansion of y in x
4.290 * [taylor]: Taking taylor expansion of (/ x (pow y 2)) in y
4.290 * [taylor]: Taking taylor expansion of x in y
4.290 * [taylor]: Taking taylor expansion of (pow y 2) in y
4.290 * [taylor]: Taking taylor expansion of y in y
4.290 * [taylor]: Taking taylor expansion of (/ x (pow y 2)) in y
4.290 * [taylor]: Taking taylor expansion of x in y
4.290 * [taylor]: Taking taylor expansion of (pow y 2) in y
4.290 * [taylor]: Taking taylor expansion of y in y
4.290 * [taylor]: Taking taylor expansion of x in x
4.291 * [taylor]: Taking taylor expansion of 0 in x
4.292 * [taylor]: Taking taylor expansion of 0 in x
4.294 * [taylor]: Taking taylor expansion of 0 in x
4.294 * [approximate]: Taking taylor expansion of (* -1 (/ x (pow y 2))) in (y x) around 0
4.294 * [taylor]: Taking taylor expansion of (* -1 (/ x (pow y 2))) in x
4.294 * [taylor]: Taking taylor expansion of -1 in x
4.294 * [taylor]: Taking taylor expansion of (/ x (pow y 2)) in x
4.294 * [taylor]: Taking taylor expansion of x in x
4.295 * [taylor]: Taking taylor expansion of (pow y 2) in x
4.295 * [taylor]: Taking taylor expansion of y in x
4.295 * [taylor]: Taking taylor expansion of (* -1 (/ x (pow y 2))) in y
4.295 * [taylor]: Taking taylor expansion of -1 in y
4.295 * [taylor]: Taking taylor expansion of (/ x (pow y 2)) in y
4.295 * [taylor]: Taking taylor expansion of x in y
4.295 * [taylor]: Taking taylor expansion of (pow y 2) in y
4.295 * [taylor]: Taking taylor expansion of y in y
4.295 * [taylor]: Taking taylor expansion of (* -1 (/ x (pow y 2))) in y
4.295 * [taylor]: Taking taylor expansion of -1 in y
4.295 * [taylor]: Taking taylor expansion of (/ x (pow y 2)) in y
4.295 * [taylor]: Taking taylor expansion of x in y
4.295 * [taylor]: Taking taylor expansion of (pow y 2) in y
4.295 * [taylor]: Taking taylor expansion of y in y
4.295 * [taylor]: Taking taylor expansion of (* -1 x) in x
4.295 * [taylor]: Taking taylor expansion of -1 in x
4.295 * [taylor]: Taking taylor expansion of x in x
4.297 * [taylor]: Taking taylor expansion of 0 in x
4.299 * [taylor]: Taking taylor expansion of 0 in x
4.302 * [taylor]: Taking taylor expansion of 0 in x
4.302 * * * [progress]: simplifying candidates
4.304 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (expm1 (/ (/ 1 1) (* (/ y x) y)))
  (log1p (/ (/ 1 1) (* (/ y x) y)))
  (- (- 0) (+ (- (log y) (log x)) (log y)))
  (- (- 0) (+ (log (/ y x)) (log y)))
  (- (- 0) (log (* (/ y x) y)))
  (- (- (log 1)) (+ (- (log y) (log x)) (log y)))
  (- (- (log 1)) (+ (log (/ y x)) (log y)))
  (- (- (log 1)) (log (* (/ y x) y)))
  (- (- 0 0) (+ (- (log y) (log x)) (log y)))
  (- (- 0 0) (+ (log (/ y x)) (log y)))
  (- (- 0 0) (log (* (/ y x) y)))
  (- (- 0 (log 1)) (+ (- (log y) (log x)) (log y)))
  (- (- 0 (log 1)) (+ (log (/ y x)) (log y)))
  (- (- 0 (log 1)) (log (* (/ y x) y)))
  (- (- (log 1) 0) (+ (- (log y) (log x)) (log y)))
  (- (- (log 1) 0) (+ (log (/ y x)) (log y)))
  (- (- (log 1) 0) (log (* (/ y x) y)))
  (- (- (log 1) (log 1)) (+ (- (log y) (log x)) (log y)))
  (- (- (log 1) (log 1)) (+ (log (/ y x)) (log y)))
  (- (- (log 1) (log 1)) (log (* (/ y x) y)))
  (- (log (/ 1 1)) (+ (- (log y) (log x)) (log y)))
  (- (log (/ 1 1)) (+ (log (/ y x)) (log y)))
  (- (log (/ 1 1)) (log (* (/ y x) y)))
  (log (/ (/ 1 1) (* (/ y x) y)))
  (exp (/ (/ 1 1) (* (/ y x) y)))
  (/ (/ (* (* 1 1) 1) (* (* 1 1) 1)) (* (/ (* (* y y) y) (* (* x x) x)) (* (* y y) y)))
  (/ (/ (* (* 1 1) 1) (* (* 1 1) 1)) (* (* (* (/ y x) (/ y x)) (/ y x)) (* (* y y) y)))
  (/ (/ (* (* 1 1) 1) (* (* 1 1) 1)) (* (* (* (/ y x) y) (* (/ y x) y)) (* (/ y x) y)))
  (/ (* (* (/ 1 1) (/ 1 1)) (/ 1 1)) (* (/ (* (* y y) y) (* (* x x) x)) (* (* y y) y)))
  (/ (* (* (/ 1 1) (/ 1 1)) (/ 1 1)) (* (* (* (/ y x) (/ y x)) (/ y x)) (* (* y y) y)))
  (/ (* (* (/ 1 1) (/ 1 1)) (/ 1 1)) (* (* (* (/ y x) y) (* (/ y x) y)) (* (/ y x) y)))
  (* (cbrt (/ (/ 1 1) (* (/ y x) y))) (cbrt (/ (/ 1 1) (* (/ y x) y))))
  (cbrt (/ (/ 1 1) (* (/ y x) y)))
  (* (* (/ (/ 1 1) (* (/ y x) y)) (/ (/ 1 1) (* (/ y x) y))) (/ (/ 1 1) (* (/ y x) y)))
  (sqrt (/ (/ 1 1) (* (/ y x) y)))
  (sqrt (/ (/ 1 1) (* (/ y x) y)))
  (- (/ 1 1))
  (- (* (/ y x) y))
  (/ (* (cbrt (/ 1 1)) (cbrt (/ 1 1))) (/ y x))
  (/ (cbrt (/ 1 1)) y)
  (/ (sqrt (/ 1 1)) (/ y x))
  (/ (sqrt (/ 1 1)) y)
  (/ (/ (* (cbrt 1) (cbrt 1)) (* (cbrt 1) (cbrt 1))) (/ y x))
  (/ (/ (cbrt 1) (cbrt 1)) y)
  (/ (/ (* (cbrt 1) (cbrt 1)) (sqrt 1)) (/ y x))
  (/ (/ (cbrt 1) (sqrt 1)) y)
  (/ (/ (* (cbrt 1) (cbrt 1)) 1) (/ y x))
  (/ (/ (cbrt 1) 1) y)
  (/ (/ (sqrt 1) (* (cbrt 1) (cbrt 1))) (/ y x))
  (/ (/ (sqrt 1) (cbrt 1)) y)
  (/ (/ (sqrt 1) (sqrt 1)) (/ y x))
  (/ (/ (sqrt 1) (sqrt 1)) y)
  (/ (/ (sqrt 1) 1) (/ y x))
  (/ (/ (sqrt 1) 1) y)
  (/ (/ 1 (* (cbrt 1) (cbrt 1))) (/ y x))
  (/ (/ 1 (cbrt 1)) y)
  (/ (/ 1 (sqrt 1)) (/ y x))
  (/ (/ 1 (sqrt 1)) y)
  (/ (/ 1 1) (/ y x))
  (/ (/ 1 1) y)
  (/ 1 (/ y x))
  (/ (/ 1 1) y)
  (/ 1 (/ y x))
  (/ (/ 1 1) y)
  (/ 1 (* (/ y x) y))
  (/ (* (/ y x) y) (/ 1 1))
  (/ (/ 1 1) (/ y x))
  (/ (* (/ y x) y) (cbrt (/ 1 1)))
  (/ (* (/ y x) y) (sqrt (/ 1 1)))
  (/ (* (/ y x) y) (/ (cbrt 1) (cbrt 1)))
  (/ (* (/ y x) y) (/ (cbrt 1) (sqrt 1)))
  (/ (* (/ y x) y) (/ (cbrt 1) 1))
  (/ (* (/ y x) y) (/ (sqrt 1) (cbrt 1)))
  (/ (* (/ y x) y) (/ (sqrt 1) (sqrt 1)))
  (/ (* (/ y x) y) (/ (sqrt 1) 1))
  (/ (* (/ y x) y) (/ 1 (cbrt 1)))
  (/ (* (/ y x) y) (/ 1 (sqrt 1)))
  (/ (* (/ y x) y) (/ 1 1))
  (/ (* (/ y x) y) (/ 1 1))
  (/ (* (/ y x) y) (/ 1 1))
  (/ (/ 1 1) (* y y))
  (* (* (/ y x) y) 1)
  (expm1 (* (/ y x) y))
  (log1p (* (/ y x) y))
  (* (/ y x) y)
  (+ (- (log y) (log x)) (log y))
  (+ (log (/ y x)) (log y))
  (log (* (/ y x) y))
  (exp (* (/ y x) y))
  (* (/ (* (* y y) y) (* (* x x) x)) (* (* y y) y))
  (* (* (* (/ y x) (/ y x)) (/ y x)) (* (* y y) y))
  (* (cbrt (* (/ y x) y)) (cbrt (* (/ y x) y)))
  (cbrt (* (/ y x) y))
  (* (* (* (/ y x) y) (* (/ y x) y)) (* (/ y x) y))
  (sqrt (* (/ y x) y))
  (sqrt (* (/ y x) y))
  (* (sqrt (/ y x)) (sqrt y))
  (* (sqrt (/ y x)) (sqrt y))
  (* (/ (sqrt y) (sqrt x)) (sqrt y))
  (* (/ (sqrt y) (sqrt x)) (sqrt y))
  (* (/ y x) (* (cbrt y) (cbrt y)))
  (* (/ y x) (sqrt y))
  (* (/ y x) 1)
  (* (cbrt (/ y x)) y)
  (* (sqrt (/ y x)) y)
  (* (/ (cbrt y) (cbrt x)) y)
  (* (/ (cbrt y) (sqrt x)) y)
  (* (/ (cbrt y) x) y)
  (* (/ (sqrt y) (cbrt x)) y)
  (* (/ (sqrt y) (sqrt x)) y)
  (* (/ (sqrt y) x) y)
  (* (/ y (cbrt x)) y)
  (* (/ y (sqrt x)) y)
  (* (/ y x) y)
  (* (/ y x) y)
  (* (/ 1 x) y)
  (* y y)
  (/ x (pow y 2))
  (/ x (pow y 2))
  (/ x (pow y 2))
  (/ (pow y 2) x)
  (/ (pow y 2) x)
  (/ (pow y 2) x)
4.308 * * [simplify]: iteration  0 :  175  enodes  (cost  1206 )
4.379 * * [simplify]: iteration  1 :  466  enodes  (cost  892 )
4.480 * * [simplify]: iteration  2 :  935  enodes  (cost  728 )
5.324 * * [simplify]: iteration  3 :  3212  enodes  (cost  646 )
6.497 * * [simplify]: iteration  done :  5000  enodes  (cost  646 )
6.498 * [simplify]: Simplified to:
   (expm1 (/ x (pow y 2)))
  (log1p (/ x (pow y 2)))
  (log (/ x (pow y 2)))
  (log (/ x (pow y 2)))
  (log (/ x (pow y 2)))
  (log (/ x (pow y 2)))
  (log (/ x (pow y 2)))
  (log (/ x (pow y 2)))
  (log (/ x (pow y 2)))
  (log (/ x (pow y 2)))
  (log (/ x (pow y 2)))
  (log (/ x (pow y 2)))
  (log (/ x (pow y 2)))
  (log (/ x (pow y 2)))
  (log (/ x (pow y 2)))
  (log (/ x (pow y 2)))
  (log (/ x (pow y 2)))
  (log (/ x (pow y 2)))
  (log (/ x (pow y 2)))
  (log (/ x (pow y 2)))
  (log (/ x (pow y 2)))
  (log (/ 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)
  (pow (/ x (pow y 2)) 3)
  (pow (/ x (pow y 2)) 3)
  (pow (/ x (pow y 2)) 3)
  (pow (/ x (pow y 2)) 3)
  (pow (/ x (pow y 2)) 3)
  (* (cbrt (/ x (pow y 2))) (cbrt (/ x (pow y 2))))
  (cbrt (/ x (pow y 2)))
  (pow (/ x (pow y 2)) 3)
  (sqrt (/ x (pow y 2)))
  (sqrt (/ x (pow y 2)))
  -1
  (- (* (/ y x) y))
  (/ x y)
  (/ 1 y)
  (/ x y)
  (/ 1 y)
  (/ x y)
  (/ 1 y)
  (/ x y)
  (/ 1 y)
  (/ x y)
  (/ 1 y)
  (/ x y)
  (/ 1 y)
  (/ x y)
  (/ 1 y)
  (/ x y)
  (/ 1 y)
  (/ x y)
  (/ 1 y)
  (/ x y)
  (/ 1 y)
  (/ x y)
  (/ 1 y)
  (/ x y)
  (/ 1 y)
  (/ x y)
  (/ 1 y)
  (/ x (pow y 2))
  (/ y (/ x y))
  (/ x y)
  (/ y (/ x y))
  (/ y (/ x y))
  (/ y (/ x y))
  (/ y (/ x y))
  (/ y (/ x y))
  (/ y (/ x y))
  (/ y (/ x y))
  (/ y (/ x y))
  (/ y (/ x y))
  (/ y (/ x y))
  (/ y (/ x y))
  (/ y (/ x y))
  (/ y (/ x y))
  (/ (/ 1 y) y)
  (/ y (/ x y))
  (expm1 (* (/ y x) y))
  (log1p (* (/ y x) y))
  (/ y (/ x y))
  (log (* (/ y x) y))
  (log (* (/ y x) y))
  (log (* (/ y x) y))
  (exp (* (/ y x) y))
  (pow (/ y (/ x y)) 3)
  (pow (/ y (/ x y)) 3)
  (* (cbrt (* (/ y x) y)) (cbrt (* (/ y x) y)))
  (cbrt (* (/ y x) y))
  (pow (/ y (/ x y)) 3)
  (sqrt (* (/ y x) y))
  (sqrt (* (/ y x) y))
  (* (sqrt (/ y x)) (sqrt y))
  (* (sqrt (/ y x)) (sqrt y))
  (/ y (sqrt x))
  (/ y (sqrt x))
  (* (/ y x) (* (cbrt y) (cbrt y)))
  (* (/ (sqrt y) x) y)
  (/ y x)
  (* (cbrt (/ y x)) y)
  (* (sqrt (/ y x)) y)
  (* (/ (cbrt y) (cbrt x)) y)
  (* (/ (cbrt y) (sqrt x)) y)
  (* (/ (cbrt y) x) y)
  (* (/ (sqrt y) (cbrt x)) y)
  (* (/ (sqrt y) (sqrt x)) y)
  (* (/ (sqrt y) x) y)
  (* (/ y (cbrt x)) y)
  (* (/ y (sqrt x)) y)
  (/ y (/ x y))
  (/ y (/ x y))
  (/ y x)
  (* y y)
  (/ x (pow y 2))
  (/ x (pow y 2))
  (/ x (pow y 2))
  (/ y (/ x y))
  (/ y (/ x y))
  (/ y (/ x y))
6.499 * * * [progress]: adding candidates to table
6.633 * * [progress]: iteration 4 / 4
6.633 * * * [progress]: picking best candidate
6.640 * * * * [pick]: Picked  #<alt (λ (x y) (* (/ x y) (/ 1 y)))>
6.640 * * * [progress]: localizing error
6.644 * * * [progress]: generating rewritten candidates
6.645 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
6.660 * * * [progress]: generating series expansions
6.660 * * * * [progress]: [ 1 / 1 ] generating series at (2)
6.660 * [approximate]: Taking taylor expansion of (/ x (pow y 2)) in (x y) around 0
6.660 * [taylor]: Taking taylor expansion of (/ x (pow y 2)) in y
6.660 * [taylor]: Taking taylor expansion of x in y
6.660 * [taylor]: Taking taylor expansion of (pow y 2) in y
6.660 * [taylor]: Taking taylor expansion of y in y
6.661 * [taylor]: Taking taylor expansion of (/ x (pow y 2)) in x
6.661 * [taylor]: Taking taylor expansion of x in x
6.661 * [taylor]: Taking taylor expansion of (pow y 2) in x
6.661 * [taylor]: Taking taylor expansion of y in x
6.661 * [taylor]: Taking taylor expansion of (/ x (pow y 2)) in x
6.661 * [taylor]: Taking taylor expansion of x in x
6.661 * [taylor]: Taking taylor expansion of (pow y 2) in x
6.661 * [taylor]: Taking taylor expansion of y in x
6.661 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
6.661 * [taylor]: Taking taylor expansion of (pow y 2) in y
6.661 * [taylor]: Taking taylor expansion of y in y
6.662 * [taylor]: Taking taylor expansion of 0 in y
6.664 * [taylor]: Taking taylor expansion of 0 in y
6.669 * [taylor]: Taking taylor expansion of 0 in y
6.671 * [taylor]: Taking taylor expansion of 0 in y
6.672 * [approximate]: Taking taylor expansion of (/ (pow y 2) x) in (x y) around 0
6.672 * [taylor]: Taking taylor expansion of (/ (pow y 2) x) in y
6.672 * [taylor]: Taking taylor expansion of (pow y 2) in y
6.672 * [taylor]: Taking taylor expansion of y in y
6.672 * [taylor]: Taking taylor expansion of x in y
6.672 * [taylor]: Taking taylor expansion of (/ (pow y 2) x) in x
6.672 * [taylor]: Taking taylor expansion of (pow y 2) in x
6.672 * [taylor]: Taking taylor expansion of y in x
6.672 * [taylor]: Taking taylor expansion of x in x
6.672 * [taylor]: Taking taylor expansion of (/ (pow y 2) x) in x
6.672 * [taylor]: Taking taylor expansion of (pow y 2) in x
6.672 * [taylor]: Taking taylor expansion of y in x
6.672 * [taylor]: Taking taylor expansion of x in x
6.672 * [taylor]: Taking taylor expansion of (pow y 2) in y
6.672 * [taylor]: Taking taylor expansion of y in y
6.673 * [taylor]: Taking taylor expansion of 0 in y
6.675 * [taylor]: Taking taylor expansion of 0 in y
6.677 * [taylor]: Taking taylor expansion of 0 in y
6.678 * [approximate]: Taking taylor expansion of (* -1 (/ (pow y 2) x)) in (x y) around 0
6.678 * [taylor]: Taking taylor expansion of (* -1 (/ (pow y 2) x)) in y
6.678 * [taylor]: Taking taylor expansion of -1 in y
6.678 * [taylor]: Taking taylor expansion of (/ (pow y 2) x) in y
6.678 * [taylor]: Taking taylor expansion of (pow y 2) in y
6.678 * [taylor]: Taking taylor expansion of y in y
6.678 * [taylor]: Taking taylor expansion of x in y
6.678 * [taylor]: Taking taylor expansion of (* -1 (/ (pow y 2) x)) in x
6.678 * [taylor]: Taking taylor expansion of -1 in x
6.678 * [taylor]: Taking taylor expansion of (/ (pow y 2) x) in x
6.678 * [taylor]: Taking taylor expansion of (pow y 2) in x
6.678 * [taylor]: Taking taylor expansion of y in x
6.678 * [taylor]: Taking taylor expansion of x in x
6.678 * [taylor]: Taking taylor expansion of (* -1 (/ (pow y 2) x)) in x
6.678 * [taylor]: Taking taylor expansion of -1 in x
6.678 * [taylor]: Taking taylor expansion of (/ (pow y 2) x) in x
6.678 * [taylor]: Taking taylor expansion of (pow y 2) in x
6.678 * [taylor]: Taking taylor expansion of y in x
6.678 * [taylor]: Taking taylor expansion of x in x
6.679 * [taylor]: Taking taylor expansion of (* -1 (pow y 2)) in y
6.679 * [taylor]: Taking taylor expansion of -1 in y
6.679 * [taylor]: Taking taylor expansion of (pow y 2) in y
6.679 * [taylor]: Taking taylor expansion of y in y
6.680 * [taylor]: Taking taylor expansion of 0 in y
6.683 * [taylor]: Taking taylor expansion of 0 in y
6.686 * [taylor]: Taking taylor expansion of 0 in y
6.687 * * * [progress]: simplifying candidates
6.689 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (expm1 (* (/ x y) (/ 1 y)))
  (log1p (* (/ x y) (/ 1 y)))
  (* (/ x y) (/ 1 y))
  (+ (- (log x) (log y)) (- (log y)))
  (+ (- (log x) (log y)) (- 0 (log y)))
  (+ (- (log x) (log y)) (- (log 1) (log y)))
  (+ (- (log x) (log y)) (log (/ 1 y)))
  (+ (log (/ x y)) (- (log y)))
  (+ (log (/ x y)) (- 0 (log y)))
  (+ (log (/ x y)) (- (log 1) (log y)))
  (+ (log (/ x y)) (log (/ 1 y)))
  (log (* (/ x y) (/ 1 y)))
  (exp (* (/ x y) (/ 1 y)))
  (* (/ (* (* x x) x) (* (* y y) y)) (/ (* (* 1 1) 1) (* (* y y) y)))
  (* (/ (* (* x x) x) (* (* y y) y)) (* (* (/ 1 y) (/ 1 y)) (/ 1 y)))
  (* (* (* (/ x y) (/ x y)) (/ x y)) (/ (* (* 1 1) 1) (* (* y y) y)))
  (* (* (* (/ x y) (/ x y)) (/ x y)) (* (* (/ 1 y) (/ 1 y)) (/ 1 y)))
  (* (cbrt (* (/ x y) (/ 1 y))) (cbrt (* (/ x y) (/ 1 y))))
  (cbrt (* (/ x y) (/ 1 y)))
  (* (* (* (/ x y) (/ 1 y)) (* (/ x y) (/ 1 y))) (* (/ x y) (/ 1 y)))
  (sqrt (* (/ x y) (/ 1 y)))
  (sqrt (* (/ x y) (/ 1 y)))
  (* x 1)
  (* y y)
  (* (sqrt (/ x y)) (sqrt (/ 1 y)))
  (* (sqrt (/ x y)) (sqrt (/ 1 y)))
  (* (sqrt (/ x y)) (/ (sqrt 1) (sqrt y)))
  (* (sqrt (/ x y)) (/ (sqrt 1) (sqrt y)))
  (* (sqrt (/ x y)) (/ 1 (sqrt y)))
  (* (sqrt (/ x y)) (/ 1 (sqrt y)))
  (* (/ (sqrt x) (sqrt y)) (sqrt (/ 1 y)))
  (* (/ (sqrt x) (sqrt y)) (sqrt (/ 1 y)))
  (* (/ (sqrt x) (sqrt y)) (/ (sqrt 1) (sqrt y)))
  (* (/ (sqrt x) (sqrt y)) (/ (sqrt 1) (sqrt y)))
  (* (/ (sqrt x) (sqrt y)) (/ 1 (sqrt y)))
  (* (/ (sqrt x) (sqrt y)) (/ 1 (sqrt y)))
  (* (/ x y) (* (cbrt (/ 1 y)) (cbrt (/ 1 y))))
  (* (/ x y) (sqrt (/ 1 y)))
  (* (/ x y) (/ (* (cbrt 1) (cbrt 1)) (* (cbrt y) (cbrt y))))
  (* (/ x y) (/ (* (cbrt 1) (cbrt 1)) (sqrt y)))
  (* (/ x y) (/ (* (cbrt 1) (cbrt 1)) 1))
  (* (/ x y) (/ (sqrt 1) (* (cbrt y) (cbrt y))))
  (* (/ x y) (/ (sqrt 1) (sqrt y)))
  (* (/ x y) (/ (sqrt 1) 1))
  (* (/ x y) (/ 1 (* (cbrt y) (cbrt y))))
  (* (/ x y) (/ 1 (sqrt y)))
  (* (/ x y) (/ 1 1))
  (* (/ x y) 1)
  (* (/ x y) 1)
  (* (cbrt (/ x y)) (/ 1 y))
  (* (sqrt (/ x y)) (/ 1 y))
  (* (/ (cbrt x) (cbrt y)) (/ 1 y))
  (* (/ (cbrt x) (sqrt y)) (/ 1 y))
  (* (/ (cbrt x) y) (/ 1 y))
  (* (/ (sqrt x) (cbrt y)) (/ 1 y))
  (* (/ (sqrt x) (sqrt y)) (/ 1 y))
  (* (/ (sqrt x) y) (/ 1 y))
  (* (/ x (cbrt y)) (/ 1 y))
  (* (/ x (sqrt y)) (/ 1 y))
  (* (/ x y) (/ 1 y))
  (* (/ x y) (/ 1 y))
  (* (/ 1 y) (/ 1 y))
  (* (/ x y) 1)
  (* x (/ 1 y))
  (/ x (pow y 2))
  (/ x (pow y 2))
  (/ x (pow y 2))
6.691 * * [simplify]: iteration  0 :  112  enodes  (cost  649 )
6.724 * * [simplify]: iteration  1 :  328  enodes  (cost  526 )
6.807 * * [simplify]: iteration  2 :  851  enodes  (cost  426 )
7.714 * * [simplify]: iteration  3 :  3134  enodes  (cost  418 )
8.698 * * [simplify]: iteration  done :  5001  enodes  (cost  418 )
8.698 * [simplify]: Simplified to:
   (expm1 (/ (/ x y) y))
  (log1p (/ (/ x y) y))
  (/ (/ x y) y)
  (log (/ (/ x y) y))
  (log (/ (/ x y) y))
  (log (/ (/ x y) y))
  (log (/ (/ x y) y))
  (log (/ (/ x y) y))
  (log (/ (/ x y) y))
  (log (/ (/ x y) y))
  (log (/ (/ x y) y))
  (log (/ (/ x y) y))
  (exp (/ (/ x y) y))
  (pow (/ x (pow y 2)) 3)
  (pow (/ x (pow y 2)) 3)
  (pow (/ x (pow y 2)) 3)
  (pow (/ x (pow y 2)) 3)
  (* (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))
  x
  (pow y 2)
  (* (sqrt (/ x y)) (sqrt (/ 1 y)))
  (* (sqrt (/ x y)) (sqrt (/ 1 y)))
  (/ (sqrt (/ x y)) (sqrt y))
  (/ (sqrt (/ x y)) (sqrt y))
  (/ (sqrt (/ x y)) (sqrt y))
  (/ (sqrt (/ x y)) (sqrt y))
  (* (/ (sqrt x) (sqrt y)) (sqrt (/ 1 y)))
  (* (/ (sqrt x) (sqrt y)) (sqrt (/ 1 y)))
  (/ (sqrt x) (pow y 1))
  (/ (sqrt x) (pow y 1))
  (/ (sqrt x) (pow y 1))
  (/ (sqrt x) (pow y 1))
  (* (/ x y) (* (cbrt (/ 1 y)) (cbrt (/ 1 y))))
  (* (/ x y) (sqrt (/ 1 y)))
  (/ (/ x y) (* (cbrt y) (cbrt y)))
  (/ (/ x y) (sqrt y))
  (/ x y)
  (/ (/ x y) (* (cbrt y) (cbrt y)))
  (/ (/ x y) (sqrt y))
  (/ x y)
  (/ (/ x y) (* (cbrt y) (cbrt y)))
  (/ (/ x y) (sqrt y))
  (/ x y)
  (/ x y)
  (/ x y)
  (/ (cbrt (/ x y)) y)
  (/ (sqrt (/ x y)) y)
  (/ (/ (cbrt x) y) (cbrt y))
  (/ (/ (cbrt x) y) (sqrt y))
  (/ (/ (cbrt x) y) y)
  (/ (/ (sqrt x) (cbrt y)) y)
  (/ (/ (sqrt x) y) (sqrt y))
  (/ (/ (sqrt x) y) y)
  (/ (/ x y) (cbrt y))
  (/ (/ x y) (sqrt y))
  (/ (/ x y) y)
  (/ (/ x y) y)
  (/ (/ 1 y) y)
  (/ x y)
  (/ x y)
  (/ (/ x y) y)
  (/ (/ x y) y)
  (/ (/ x y) y)
8.699 * * * [progress]: adding candidates to table
8.791 * [progress]: [Phase 3 of 3] Extracting.
8.791 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (/ (/ x y) y))> #<alt (λ (x y) (/ (/ 1 1) (* (/ y x) y)))> #<alt (λ (x y) (* x (/ (/ 1 y) y)))> #<alt (λ (x y) (* (/ x y) (/ 1 y)))> #<alt (λ (x y) (/ x (* y y)))> #<alt (λ (x y) (/ (* (cbrt x) (cbrt x)) (/ (* y y) (cbrt x))))> #<alt (λ (x y) (* (/ (/ (cbrt x) (cbrt y)) (/ y (cbrt x))) (/ (/ (cbrt x) (cbrt y)) (cbrt y))))> #<alt (λ (x y) (/ (/ (/ x (sqrt y)) y) (sqrt y)))>)
8.791 * * * [regime-changes]: Trying 4 branch expressions: ((* y y) (/ x (* y y)) y x)
8.791 * * * * [regimes]: Trying to branch on (* y y) from (#<alt (λ (x y) (/ (/ x y) y))> #<alt (λ (x y) (/ (/ 1 1) (* (/ y x) y)))> #<alt (λ (x y) (* x (/ (/ 1 y) y)))> #<alt (λ (x y) (* (/ x y) (/ 1 y)))> #<alt (λ (x y) (/ x (* y y)))> #<alt (λ (x y) (/ (* (cbrt x) (cbrt x)) (/ (* y y) (cbrt x))))> #<alt (λ (x y) (* (/ (/ (cbrt x) (cbrt y)) (/ y (cbrt x))) (/ (/ (cbrt x) (cbrt y)) (cbrt y))))> #<alt (λ (x y) (/ (/ (/ x (sqrt y)) y) (sqrt y)))>)
8.811 * * * * [regimes]: Trying to branch on (* y y) from (#<alt (λ (x y) (/ x (* y y)))> #<alt (λ (x y) (/ (* (cbrt x) (cbrt x)) (/ (* y y) (cbrt x))))>)
8.823 * * * * [regimes]: Trying to branch on (/ x (* y y)) from (#<alt (λ (x y) (/ (/ x y) y))> #<alt (λ (x y) (/ (/ 1 1) (* (/ y x) y)))> #<alt (λ (x y) (* x (/ (/ 1 y) y)))> #<alt (λ (x y) (* (/ x y) (/ 1 y)))> #<alt (λ (x y) (/ x (* y y)))> #<alt (λ (x y) (/ (* (cbrt x) (cbrt x)) (/ (* y y) (cbrt x))))> #<alt (λ (x y) (* (/ (/ (cbrt x) (cbrt y)) (/ y (cbrt x))) (/ (/ (cbrt x) (cbrt y)) (cbrt y))))> #<alt (λ (x y) (/ (/ (/ x (sqrt y)) y) (sqrt y)))>)
8.843 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (/ (/ x y) y))> #<alt (λ (x y) (/ (/ 1 1) (* (/ y x) y)))> #<alt (λ (x y) (* x (/ (/ 1 y) y)))> #<alt (λ (x y) (* (/ x y) (/ 1 y)))> #<alt (λ (x y) (/ x (* y y)))> #<alt (λ (x y) (/ (* (cbrt x) (cbrt x)) (/ (* y y) (cbrt x))))> #<alt (λ (x y) (* (/ (/ (cbrt x) (cbrt y)) (/ y (cbrt x))) (/ (/ (cbrt x) (cbrt y)) (cbrt y))))> #<alt (λ (x y) (/ (/ (/ x (sqrt y)) y) (sqrt y)))>)
8.866 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (/ (/ x y) y))> #<alt (λ (x y) (/ (/ 1 1) (* (/ y x) y)))> #<alt (λ (x y) (* x (/ (/ 1 y) y)))> #<alt (λ (x y) (* (/ x y) (/ 1 y)))> #<alt (λ (x y) (/ x (* y y)))> #<alt (λ (x y) (/ (* (cbrt x) (cbrt x)) (/ (* y y) (cbrt x))))> #<alt (λ (x y) (* (/ (/ (cbrt x) (cbrt y)) (/ y (cbrt x))) (/ (/ (cbrt x) (cbrt y)) (cbrt y))))> #<alt (λ (x y) (/ (/ (/ x (sqrt y)) y) (sqrt y)))>)
8.887 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
8.887 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (/ (/ x y) y)
8.888 * * [simplify]: iteration  0 :  4  enodes  (cost  5 )
8.888 * * [simplify]: iteration  done :  4  enodes  (cost  5 )
8.888 * [simplify]: Simplified to:
   (/ (/ x y) y)
9.369 * [regime-testing]: Baseline error score: 0.18689836229528692
9.370 * [regime-testing]: Oracle error score: 0.0133766720840105
9.371 * [regime-testing]: End program error score: 0.18689836229528692
9.388 * [regime-testing]: Target error score: 0.18689836229528692