0.848 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.012 * * * [progress]: [2/2] Setting up program.
0.013 * [progress]: [Phase 2 of 3] Improving.
0.014 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (/ (+ x y) (+ y y))
0.015 * * [simplify]: iteration  0 :  5  enodes  (cost  7 )
0.016 * * [simplify]: iteration  1 :  8  enodes  (cost  7 )
0.017 * * [simplify]: iteration  2 :  11  enodes  (cost  7 )
0.018 * * [simplify]: iteration  3 :  13  enodes  (cost  7 )
0.019 * * [simplify]: iteration  done :  13  enodes  (cost  7 )
0.019 * [simplify]: Simplified to:
   (/ (+ x y) (+ y y))
0.020 * * [progress]: iteration 1 / 4
0.020 * * * [progress]: picking best candidate
0.021 * * * * [pick]: Picked  #<alt (λ (x y) (/ (+ x y) (+ y y)))>
0.021 * * * [progress]: localizing error
0.026 * * * [progress]: generating rewritten candidates
0.026 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.042 * * * [progress]: generating series expansions
0.042 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.042 * [approximate]: Taking taylor expansion of (* 1/2 (/ (+ x y) y)) in (x y) around 0
0.042 * [taylor]: Taking taylor expansion of (* 1/2 (/ (+ x y) y)) in y
0.042 * [taylor]: Taking taylor expansion of 1/2 in y
0.042 * [taylor]: Taking taylor expansion of (/ (+ x y) y) in y
0.042 * [taylor]: Taking taylor expansion of (+ x y) in y
0.042 * [taylor]: Taking taylor expansion of x in y
0.042 * [taylor]: Taking taylor expansion of y in y
0.042 * [taylor]: Taking taylor expansion of y in y
0.042 * [taylor]: Taking taylor expansion of (* 1/2 (/ (+ x y) y)) in x
0.043 * [taylor]: Taking taylor expansion of 1/2 in x
0.043 * [taylor]: Taking taylor expansion of (/ (+ x y) y) in x
0.043 * [taylor]: Taking taylor expansion of (+ x y) in x
0.043 * [taylor]: Taking taylor expansion of x in x
0.043 * [taylor]: Taking taylor expansion of y in x
0.043 * [taylor]: Taking taylor expansion of y in x
0.043 * [taylor]: Taking taylor expansion of (* 1/2 (/ (+ x y) y)) in x
0.043 * [taylor]: Taking taylor expansion of 1/2 in x
0.043 * [taylor]: Taking taylor expansion of (/ (+ x y) y) in x
0.043 * [taylor]: Taking taylor expansion of (+ x y) in x
0.043 * [taylor]: Taking taylor expansion of x in x
0.043 * [taylor]: Taking taylor expansion of y in x
0.043 * [taylor]: Taking taylor expansion of y in x
0.043 * [taylor]: Taking taylor expansion of 1/2 in y
0.044 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 y)) in y
0.044 * [taylor]: Taking taylor expansion of 1/2 in y
0.044 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.045 * [taylor]: Taking taylor expansion of y in y
0.046 * [taylor]: Taking taylor expansion of 0 in y
0.048 * [taylor]: Taking taylor expansion of 0 in y
0.057 * [taylor]: Taking taylor expansion of 0 in y
0.057 * [approximate]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 y) (/ 1 x)) y)) in (x y) around 0
0.057 * [taylor]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 y) (/ 1 x)) y)) in y
0.057 * [taylor]: Taking taylor expansion of 1/2 in y
0.057 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) y) in y
0.057 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
0.057 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.057 * [taylor]: Taking taylor expansion of y in y
0.058 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.058 * [taylor]: Taking taylor expansion of x in y
0.058 * [taylor]: Taking taylor expansion of y in y
0.058 * [taylor]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 y) (/ 1 x)) y)) in x
0.058 * [taylor]: Taking taylor expansion of 1/2 in x
0.058 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) y) in x
0.058 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.058 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.058 * [taylor]: Taking taylor expansion of y in x
0.058 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.058 * [taylor]: Taking taylor expansion of x in x
0.058 * [taylor]: Taking taylor expansion of y in x
0.058 * [taylor]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 y) (/ 1 x)) y)) in x
0.058 * [taylor]: Taking taylor expansion of 1/2 in x
0.058 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) y) in x
0.058 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.058 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.058 * [taylor]: Taking taylor expansion of y in x
0.058 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.058 * [taylor]: Taking taylor expansion of x in x
0.059 * [taylor]: Taking taylor expansion of y in x
0.059 * [taylor]: Taking taylor expansion of (* 1/2 y) in y
0.059 * [taylor]: Taking taylor expansion of 1/2 in y
0.059 * [taylor]: Taking taylor expansion of y in y
0.060 * [taylor]: Taking taylor expansion of 1/2 in y
0.063 * [taylor]: Taking taylor expansion of 0 in y
0.065 * [taylor]: Taking taylor expansion of 0 in y
0.069 * [taylor]: Taking taylor expansion of 0 in y
0.069 * [approximate]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 y) (/ 1 x)) y)) in (x y) around 0
0.069 * [taylor]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 y) (/ 1 x)) y)) in y
0.069 * [taylor]: Taking taylor expansion of 1/2 in y
0.069 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) y) in y
0.070 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
0.070 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.070 * [taylor]: Taking taylor expansion of y in y
0.070 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.070 * [taylor]: Taking taylor expansion of x in y
0.070 * [taylor]: Taking taylor expansion of y in y
0.070 * [taylor]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 y) (/ 1 x)) y)) in x
0.070 * [taylor]: Taking taylor expansion of 1/2 in x
0.070 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) y) in x
0.070 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 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 (/ 1 x) in x
0.070 * [taylor]: Taking taylor expansion of x in x
0.070 * [taylor]: Taking taylor expansion of y in x
0.071 * [taylor]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 y) (/ 1 x)) y)) in x
0.071 * [taylor]: Taking taylor expansion of 1/2 in x
0.071 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) y) in x
0.071 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 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 (/ 1 x) in x
0.071 * [taylor]: Taking taylor expansion of x in x
0.071 * [taylor]: Taking taylor expansion of y in x
0.071 * [taylor]: Taking taylor expansion of (* 1/2 y) in y
0.071 * [taylor]: Taking taylor expansion of 1/2 in y
0.071 * [taylor]: Taking taylor expansion of y in y
0.073 * [taylor]: Taking taylor expansion of 1/2 in y
0.075 * [taylor]: Taking taylor expansion of 0 in y
0.077 * [taylor]: Taking taylor expansion of 0 in y
0.081 * [taylor]: Taking taylor expansion of 0 in y
0.081 * * * [progress]: simplifying candidates
0.082 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (expm1 (/ (+ x y) (+ y y)))
  (log1p (/ (+ x y) (+ y y)))
  (- (log (+ x y)) (log (+ y y)))
  (log (/ (+ x y) (+ y y)))
  (exp (/ (+ x y) (+ y y)))
  (/ (* (* (+ x y) (+ x y)) (+ x y)) (* (* (+ y y) (+ y y)) (+ y y)))
  (* (cbrt (/ (+ x y) (+ y y))) (cbrt (/ (+ x y) (+ y y))))
  (cbrt (/ (+ x y) (+ y y)))
  (* (* (/ (+ x y) (+ y y)) (/ (+ x y) (+ y y))) (/ (+ x y) (+ y y)))
  (sqrt (/ (+ x y) (+ y y)))
  (sqrt (/ (+ x y) (+ y y)))
  (- (+ x y))
  (- (+ y y))
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) (* (cbrt (+ y y)) (cbrt (+ y y))))
  (/ (cbrt (+ x y)) (cbrt (+ y y)))
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) (sqrt (+ y y)))
  (/ (cbrt (+ x y)) (sqrt (+ y y)))
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) 1)
  (/ (cbrt (+ x y)) (+ y y))
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) (* (cbrt y) (cbrt y)))
  (/ (cbrt (+ x y)) (+ (cbrt y) (cbrt y)))
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) (sqrt y))
  (/ (cbrt (+ x y)) (+ (sqrt y) (sqrt y)))
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) 1)
  (/ (cbrt (+ x y)) (+ y y))
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) (cbrt y))
  (/ (cbrt (+ x y)) (+ (* (cbrt y) (cbrt y)) (* (cbrt y) (cbrt y))))
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) (sqrt y))
  (/ (cbrt (+ x y)) (+ (sqrt y) (sqrt y)))
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) y)
  (/ (cbrt (+ x y)) (+ 1 1))
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) (+ 1 1))
  (/ (cbrt (+ x y)) y)
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) (+ 1 1))
  (/ (cbrt (+ x y)) y)
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) 2)
  (/ (cbrt (+ x y)) y)
  (/ (sqrt (+ x y)) (* (cbrt (+ y y)) (cbrt (+ y y))))
  (/ (sqrt (+ x y)) (cbrt (+ y y)))
  (/ (sqrt (+ x y)) (sqrt (+ y y)))
  (/ (sqrt (+ x y)) (sqrt (+ y y)))
  (/ (sqrt (+ x y)) 1)
  (/ (sqrt (+ x y)) (+ y y))
  (/ (sqrt (+ x y)) (* (cbrt y) (cbrt y)))
  (/ (sqrt (+ x y)) (+ (cbrt y) (cbrt y)))
  (/ (sqrt (+ x y)) (sqrt y))
  (/ (sqrt (+ x y)) (+ (sqrt y) (sqrt y)))
  (/ (sqrt (+ x y)) 1)
  (/ (sqrt (+ x y)) (+ y y))
  (/ (sqrt (+ x y)) (cbrt y))
  (/ (sqrt (+ x y)) (+ (* (cbrt y) (cbrt y)) (* (cbrt y) (cbrt y))))
  (/ (sqrt (+ x y)) (sqrt y))
  (/ (sqrt (+ x y)) (+ (sqrt y) (sqrt y)))
  (/ (sqrt (+ x y)) y)
  (/ (sqrt (+ x y)) (+ 1 1))
  (/ (sqrt (+ x y)) (+ 1 1))
  (/ (sqrt (+ x y)) y)
  (/ (sqrt (+ x y)) (+ 1 1))
  (/ (sqrt (+ x y)) y)
  (/ (sqrt (+ x y)) 2)
  (/ (sqrt (+ x y)) y)
  (/ 1 (* (cbrt (+ y y)) (cbrt (+ y y))))
  (/ (+ x y) (cbrt (+ y y)))
  (/ 1 (sqrt (+ y y)))
  (/ (+ x y) (sqrt (+ y y)))
  (/ 1 1)
  (/ (+ x y) (+ y y))
  (/ 1 (* (cbrt y) (cbrt y)))
  (/ (+ x y) (+ (cbrt y) (cbrt y)))
  (/ 1 (sqrt y))
  (/ (+ x y) (+ (sqrt y) (sqrt y)))
  (/ 1 1)
  (/ (+ x y) (+ y y))
  (/ 1 (cbrt y))
  (/ (+ x y) (+ (* (cbrt y) (cbrt y)) (* (cbrt y) (cbrt y))))
  (/ 1 (sqrt y))
  (/ (+ x y) (+ (sqrt y) (sqrt y)))
  (/ 1 y)
  (/ (+ x y) (+ 1 1))
  (/ 1 (+ 1 1))
  (/ (+ x y) y)
  (/ 1 (+ 1 1))
  (/ (+ x y) y)
  (/ 1 2)
  (/ (+ x y) y)
  (/ 1 (* (cbrt (+ y y)) (cbrt (+ y y))))
  (/ (+ x y) (cbrt (+ y y)))
  (/ 1 (sqrt (+ y y)))
  (/ (+ x y) (sqrt (+ y y)))
  (/ 1 1)
  (/ (+ x y) (+ y y))
  (/ 1 (* (cbrt y) (cbrt y)))
  (/ (+ x y) (+ (cbrt y) (cbrt y)))
  (/ 1 (sqrt y))
  (/ (+ x y) (+ (sqrt y) (sqrt y)))
  (/ 1 1)
  (/ (+ x y) (+ y y))
  (/ 1 (cbrt y))
  (/ (+ x y) (+ (* (cbrt y) (cbrt y)) (* (cbrt y) (cbrt y))))
  (/ 1 (sqrt y))
  (/ (+ x y) (+ (sqrt y) (sqrt y)))
  (/ 1 y)
  (/ (+ x y) (+ 1 1))
  (/ 1 (+ 1 1))
  (/ (+ x y) y)
  (/ 1 (+ 1 1))
  (/ (+ x y) y)
  (/ 1 2)
  (/ (+ x y) y)
  (/ 1 (+ y y))
  (/ (+ y y) (+ x y))
  (/ (+ x y) (* (cbrt (+ y y)) (cbrt (+ y y))))
  (/ (+ x y) (sqrt (+ y y)))
  (/ (+ x y) 1)
  (/ (+ x y) (* (cbrt y) (cbrt y)))
  (/ (+ x y) (sqrt y))
  (/ (+ x y) 1)
  (/ (+ x y) (cbrt y))
  (/ (+ x y) (sqrt y))
  (/ (+ x y) y)
  (/ (+ x y) (+ 1 1))
  (/ (+ x y) (+ 1 1))
  (/ (+ x y) 2)
  (/ (+ y y) (cbrt (+ x y)))
  (/ (+ y y) (sqrt (+ x y)))
  (/ (+ y y) (+ x y))
  (/ (+ y y) (+ x y))
  (/ (+ x y) (+ (pow y 3) (pow y 3)))
  (/ (+ x y) (- (* y y) (* y y)))
  (* (+ y y) (+ (* x x) (- (* y y) (* x y))))
  (* (+ y y) (- x y))
  (+ (* 1/2 (/ x y)) 1/2)
  (+ (* 1/2 (/ x y)) 1/2)
  (+ (* 1/2 (/ x y)) 1/2)
0.086 * * [simplify]: iteration  0 :  114  enodes  (cost  1089 )
0.105 * * [simplify]: iteration  1 :  233  enodes  (cost  986 )
0.147 * * [simplify]: iteration  2 :  593  enodes  (cost  955 )
0.290 * * [simplify]: iteration  3 :  1857  enodes  (cost  955 )
0.823 * * [simplify]: iteration  done :  5000  enodes  (cost  955 )
0.824 * [simplify]: Simplified to:
   (expm1 (/ (+ x y) (+ y y)))
  (log1p (/ (+ x y) (+ y y)))
  (log (/ (+ x y) (+ y y)))
  (log (/ (+ x y) (+ y y)))
  (exp (/ (+ x y) (+ y y)))
  (pow (/ (+ x y) (+ y y)) 3)
  (* (cbrt (/ (+ x y) (+ y y))) (cbrt (/ (+ x y) (+ y y))))
  (cbrt (/ (+ x y) (+ y y)))
  (pow (/ (+ x y) (+ y y)) 3)
  (sqrt (/ (+ x y) (+ y y)))
  (sqrt (/ (+ x y) (+ y y)))
  (- (+ x y))
  (* -2 y)
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) (* (cbrt (+ y y)) (cbrt (+ y y))))
  (/ (cbrt (+ x y)) (cbrt (+ y y)))
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) (sqrt (+ y y)))
  (/ (cbrt (+ x y)) (sqrt (+ y y)))
  (* (cbrt (+ x y)) (cbrt (+ x y)))
  (/ (cbrt (+ x y)) (+ y y))
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) (* (cbrt y) (cbrt y)))
  (/ (cbrt (+ x y)) (* 2 (cbrt y)))
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) (sqrt y))
  (/ (cbrt (+ x y)) (* 2 (sqrt y)))
  (* (cbrt (+ x y)) (cbrt (+ x y)))
  (/ (cbrt (+ x y)) (+ y y))
  (* (cbrt (+ x y)) (/ (cbrt (+ x y)) (cbrt y)))
  (/ (cbrt (+ x y)) (* 2 (* (cbrt y) (cbrt y))))
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) (sqrt y))
  (/ (cbrt (+ x y)) (* 2 (sqrt y)))
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) y)
  (/ (cbrt (+ x y)) 2)
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) 2)
  (/ (cbrt (+ x y)) y)
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) 2)
  (/ (cbrt (+ x y)) y)
  (/ (* (cbrt (+ x y)) (cbrt (+ x y))) 2)
  (/ (cbrt (+ x y)) y)
  (/ (sqrt (+ x y)) (* (cbrt (+ y y)) (cbrt (+ y y))))
  (/ (sqrt (+ x y)) (cbrt (+ y y)))
  (/ (sqrt (+ x y)) (sqrt (+ y y)))
  (/ (sqrt (+ x y)) (sqrt (+ y y)))
  (sqrt (+ x y))
  (/ (sqrt (+ x y)) (+ y y))
  (/ (sqrt (+ x y)) (* (cbrt y) (cbrt y)))
  (/ (sqrt (+ x y)) (* 2 (cbrt y)))
  (/ (sqrt (+ x y)) (sqrt y))
  (/ (sqrt (+ x y)) (* 2 (sqrt y)))
  (sqrt (+ x y))
  (/ (sqrt (+ x y)) (+ y y))
  (/ (sqrt (+ x y)) (cbrt y))
  (/ (sqrt (+ x y)) (* 2 (* (cbrt y) (cbrt y))))
  (/ (sqrt (+ x y)) (sqrt y))
  (/ (sqrt (+ x y)) (* 2 (sqrt y)))
  (/ (sqrt (+ x y)) y)
  (/ (sqrt (+ x y)) 2)
  (/ (sqrt (+ x y)) 2)
  (/ (sqrt (+ x y)) y)
  (/ (sqrt (+ x y)) 2)
  (/ (sqrt (+ x y)) y)
  (/ (sqrt (+ x y)) 2)
  (/ (sqrt (+ x y)) y)
  (/ 1 (* (cbrt (+ y y)) (cbrt (+ y y))))
  (/ (+ x y) (cbrt (+ y y)))
  (/ 1 (sqrt (+ y y)))
  (/ (+ x y) (sqrt (+ y y)))
  1
  (/ (+ x y) (+ y y))
  (/ 1 (* (cbrt y) (cbrt y)))
  (/ (+ x y) (* 2 (cbrt y)))
  (/ 1 (sqrt y))
  (/ (+ x y) (* 2 (sqrt y)))
  1
  (/ (+ x y) (+ y y))
  (/ 1 (cbrt y))
  (/ (+ x y) (* 2 (* (cbrt y) (cbrt y))))
  (/ 1 (sqrt y))
  (/ (+ x y) (* 2 (sqrt y)))
  (/ 1 y)
  (/ (+ x y) 2)
  1/2
  (/ (+ x y) y)
  1/2
  (/ (+ x y) y)
  1/2
  (/ (+ x y) y)
  (/ 1 (* (cbrt (+ y y)) (cbrt (+ y y))))
  (/ (+ x y) (cbrt (+ y y)))
  (/ 1 (sqrt (+ y y)))
  (/ (+ x y) (sqrt (+ y y)))
  1
  (/ (+ x y) (+ y y))
  (/ 1 (* (cbrt y) (cbrt y)))
  (/ (+ x y) (* 2 (cbrt y)))
  (/ 1 (sqrt y))
  (/ (+ x y) (* 2 (sqrt y)))
  1
  (/ (+ x y) (+ y y))
  (/ 1 (cbrt y))
  (/ (+ x y) (* 2 (* (cbrt y) (cbrt y))))
  (/ 1 (sqrt y))
  (/ (+ x y) (* 2 (sqrt y)))
  (/ 1 y)
  (/ (+ x y) 2)
  1/2
  (/ (+ x y) y)
  1/2
  (/ (+ x y) y)
  1/2
  (/ (+ x y) y)
  (/ 1/2 y)
  (/ (+ y y) (+ x y))
  (/ (+ x y) (* (cbrt (+ y y)) (cbrt (+ y y))))
  (/ (+ x y) (sqrt (+ y y)))
  (+ x y)
  (/ (+ x y) (* (cbrt y) (cbrt y)))
  (/ (+ x y) (sqrt y))
  (+ x y)
  (/ (+ x y) (cbrt y))
  (/ (+ x y) (sqrt y))
  (/ (+ x y) y)
  (/ (+ x y) 2)
  (/ (+ x y) 2)
  (/ (+ x y) 2)
  (/ (+ y y) (cbrt (+ x y)))
  (/ (+ y y) (sqrt (+ x y)))
  (/ (+ y y) (+ x y))
  (/ (+ y y) (+ x y))
  (/ (+ x y) (* 2 (pow y 3)))
  (/ (+ x y) 0)
  (* (+ y y) (fma x x (* y (- y x))))
  (* (+ y y) (- x y))
  (fma 1/2 (/ x y) 1/2)
  (fma 1/2 (/ x y) 1/2)
  (fma 1/2 (/ x y) 1/2)
0.825 * * * [progress]: adding candidates to table
0.949 * * [progress]: iteration 2 / 4
0.949 * * * [progress]: picking best candidate
0.951 * * * * [pick]: Picked  #<alt (λ (x y) (fma 1/2 (/ x y) 1/2))>
0.951 * * * [progress]: localizing error
0.956 * * * [progress]: generating rewritten candidates
0.956 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.957 * * * [progress]: generating series expansions
0.957 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.957 * [approximate]: Taking taylor expansion of (fma 1/2 (/ x y) 1/2) in (x y) around 0
0.957 * [taylor]: Taking taylor expansion of (fma 1/2 (/ x y) 1/2) in y
0.957 * [taylor]: Rewrote expression to (+ (* 1/2 (/ x y)) 1/2)
0.957 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in y
0.957 * [taylor]: Taking taylor expansion of 1/2 in y
0.957 * [taylor]: Taking taylor expansion of (/ x y) in y
0.957 * [taylor]: Taking taylor expansion of x in y
0.957 * [taylor]: Taking taylor expansion of y in y
0.957 * [taylor]: Taking taylor expansion of 1/2 in y
0.957 * [taylor]: Taking taylor expansion of (fma 1/2 (/ x y) 1/2) in x
0.957 * [taylor]: Rewrote expression to (+ (* 1/2 (/ x y)) 1/2)
0.957 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in x
0.957 * [taylor]: Taking taylor expansion of 1/2 in x
0.957 * [taylor]: Taking taylor expansion of (/ x y) in x
0.957 * [taylor]: Taking taylor expansion of x in x
0.957 * [taylor]: Taking taylor expansion of y in x
0.957 * [taylor]: Taking taylor expansion of 1/2 in x
0.957 * [taylor]: Taking taylor expansion of (fma 1/2 (/ x y) 1/2) in x
0.957 * [taylor]: Rewrote expression to (+ (* 1/2 (/ x y)) 1/2)
0.957 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in x
0.957 * [taylor]: Taking taylor expansion of 1/2 in x
0.957 * [taylor]: Taking taylor expansion of (/ x y) in x
0.957 * [taylor]: Taking taylor expansion of x in x
0.957 * [taylor]: Taking taylor expansion of y in x
0.958 * [taylor]: Taking taylor expansion of 1/2 in x
0.958 * [taylor]: Taking taylor expansion of 1/2 in y
0.958 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 y)) in y
0.958 * [taylor]: Taking taylor expansion of 1/2 in y
0.958 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.958 * [taylor]: Taking taylor expansion of y in y
0.960 * [taylor]: Taking taylor expansion of 0 in y
0.961 * [taylor]: Taking taylor expansion of 0 in y
0.964 * [taylor]: Taking taylor expansion of 0 in y
0.964 * [approximate]: Taking taylor expansion of (fma 1/2 (/ y x) 1/2) in (x y) around 0
0.964 * [taylor]: Taking taylor expansion of (fma 1/2 (/ y x) 1/2) in y
0.964 * [taylor]: Rewrote expression to (+ (* 1/2 (/ y x)) 1/2)
0.964 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in y
0.964 * [taylor]: Taking taylor expansion of 1/2 in y
0.964 * [taylor]: Taking taylor expansion of (/ y x) in y
0.964 * [taylor]: Taking taylor expansion of y in y
0.964 * [taylor]: Taking taylor expansion of x in y
0.964 * [taylor]: Taking taylor expansion of 1/2 in y
0.964 * [taylor]: Taking taylor expansion of (fma 1/2 (/ y x) 1/2) in x
0.964 * [taylor]: Rewrote expression to (+ (* 1/2 (/ y x)) 1/2)
0.964 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in x
0.964 * [taylor]: Taking taylor expansion of 1/2 in x
0.964 * [taylor]: Taking taylor expansion of (/ y x) in x
0.964 * [taylor]: Taking taylor expansion of y in x
0.964 * [taylor]: Taking taylor expansion of x in x
0.964 * [taylor]: Taking taylor expansion of 1/2 in x
0.965 * [taylor]: Taking taylor expansion of (fma 1/2 (/ y x) 1/2) in x
0.965 * [taylor]: Rewrote expression to (+ (* 1/2 (/ y x)) 1/2)
0.965 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in x
0.965 * [taylor]: Taking taylor expansion of 1/2 in x
0.965 * [taylor]: Taking taylor expansion of (/ y x) in x
0.965 * [taylor]: Taking taylor expansion of y in x
0.965 * [taylor]: Taking taylor expansion of x in x
0.965 * [taylor]: Taking taylor expansion of 1/2 in x
0.965 * [taylor]: Taking taylor expansion of (* 1/2 y) in y
0.965 * [taylor]: Taking taylor expansion of 1/2 in y
0.965 * [taylor]: Taking taylor expansion of y in y
0.967 * [taylor]: Taking taylor expansion of 1/2 in y
0.969 * [taylor]: Taking taylor expansion of 0 in y
0.972 * [taylor]: Taking taylor expansion of 0 in y
0.972 * [approximate]: Taking taylor expansion of (fma 1/2 (/ y x) 1/2) in (x y) around 0
0.972 * [taylor]: Taking taylor expansion of (fma 1/2 (/ y x) 1/2) in y
0.972 * [taylor]: Rewrote expression to (+ (* 1/2 (/ y x)) 1/2)
0.972 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in y
0.972 * [taylor]: Taking taylor expansion of 1/2 in y
0.972 * [taylor]: Taking taylor expansion of (/ y x) in y
0.972 * [taylor]: Taking taylor expansion of y in y
0.972 * [taylor]: Taking taylor expansion of x in y
0.972 * [taylor]: Taking taylor expansion of 1/2 in y
0.972 * [taylor]: Taking taylor expansion of (fma 1/2 (/ y x) 1/2) in x
0.972 * [taylor]: Rewrote expression to (+ (* 1/2 (/ y x)) 1/2)
0.972 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in x
0.973 * [taylor]: Taking taylor expansion of 1/2 in x
0.973 * [taylor]: Taking taylor expansion of (/ y x) in x
0.973 * [taylor]: Taking taylor expansion of y in x
0.973 * [taylor]: Taking taylor expansion of x in x
0.973 * [taylor]: Taking taylor expansion of 1/2 in x
0.973 * [taylor]: Taking taylor expansion of (fma 1/2 (/ y x) 1/2) in x
0.973 * [taylor]: Rewrote expression to (+ (* 1/2 (/ y x)) 1/2)
0.973 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in x
0.973 * [taylor]: Taking taylor expansion of 1/2 in x
0.973 * [taylor]: Taking taylor expansion of (/ y x) in x
0.973 * [taylor]: Taking taylor expansion of y in x
0.973 * [taylor]: Taking taylor expansion of x in x
0.973 * [taylor]: Taking taylor expansion of 1/2 in x
0.973 * [taylor]: Taking taylor expansion of (* 1/2 y) in y
0.973 * [taylor]: Taking taylor expansion of 1/2 in y
0.973 * [taylor]: Taking taylor expansion of y in y
0.975 * [taylor]: Taking taylor expansion of 1/2 in y
0.977 * [taylor]: Taking taylor expansion of 0 in y
0.979 * [taylor]: Taking taylor expansion of 0 in y
0.980 * * * [progress]: simplifying candidates
0.980 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (expm1 (fma 1/2 (/ x y) 1/2))
  (log1p (fma 1/2 (/ x y) 1/2))
  (* 1/2 (/ x y))
  (log (fma 1/2 (/ x y) 1/2))
  (exp (fma 1/2 (/ x y) 1/2))
  (* (cbrt (fma 1/2 (/ x y) 1/2)) (cbrt (fma 1/2 (/ x y) 1/2)))
  (cbrt (fma 1/2 (/ x y) 1/2))
  (* (* (fma 1/2 (/ x y) 1/2) (fma 1/2 (/ x y) 1/2)) (fma 1/2 (/ x y) 1/2))
  (sqrt (fma 1/2 (/ x y) 1/2))
  (sqrt (fma 1/2 (/ x y) 1/2))
  (+ (* 1/2 (/ x y)) 1/2)
  (+ (* 1/2 (/ x y)) 1/2)
  (+ (* 1/2 (/ x y)) 1/2)
0.984 * * [simplify]: iteration  0 :  16  enodes  (cost  110 )
0.986 * * [simplify]: iteration  1 :  21  enodes  (cost  107 )
0.989 * * [simplify]: iteration  2 :  53  enodes  (cost  95 )
1.000 * * [simplify]: iteration  3 :  154  enodes  (cost  95 )
1.042 * * [simplify]: iteration  4 :  561  enodes  (cost  95 )
1.265 * * [simplify]: iteration  5 :  2925  enodes  (cost  95 )
2.949 * * [simplify]: iteration  done :  5001  enodes  (cost  95 )
2.950 * [simplify]: Simplified to:
   (expm1 (fma 1/2 (/ x y) 1/2))
  (log1p (fma 1/2 (/ x y) 1/2))
  (* 1/2 (/ x y))
  (log (fma 1/2 (/ x y) 1/2))
  (exp (fma 1/2 (/ x y) 1/2))
  (* (cbrt (fma 1/2 (/ x y) 1/2)) (cbrt (fma 1/2 (/ x y) 1/2)))
  (cbrt (fma 1/2 (/ x y) 1/2))
  (pow (fma 1/2 (/ x y) 1/2) 3)
  (sqrt (fma 1/2 (/ x y) 1/2))
  (sqrt (fma 1/2 (/ x y) 1/2))
  (fma 1/2 (/ x y) 1/2)
  (fma 1/2 (/ x y) 1/2)
  (fma 1/2 (/ x y) 1/2)
2.950 * * * [progress]: adding candidates to table
2.981 * [progress]: [Phase 3 of 3] Extracting.
2.981 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (/ (+ x y) (+ y y)))> #<alt (λ (x y) (fma 1/2 (/ x y) 1/2))>)
2.982 * * * [regime-changes]: Trying 3 branch expressions: ((/ (+ x y) (+ y y)) y x)
2.982 * * * * [regimes]: Trying to branch on (/ (+ x y) (+ y y)) from (#<alt (λ (x y) (/ (+ x y) (+ y y)))> #<alt (λ (x y) (fma 1/2 (/ x y) 1/2))>)
2.993 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (/ (+ x y) (+ y y)))> #<alt (λ (x y) (fma 1/2 (/ x y) 1/2))>)
3.008 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (/ (+ x y) (+ y y)))> #<alt (λ (x y) (fma 1/2 (/ x y) 1/2))>)
3.020 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
3.020 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (/ (+ x y) (+ y y))
3.020 * * [simplify]: iteration  0 :  5  enodes  (cost  7 )
3.021 * * [simplify]: iteration  1 :  6  enodes  (cost  7 )
3.021 * * [simplify]: iteration  done :  6  enodes  (cost  7 )
3.021 * [simplify]: Simplified to:
   (/ (+ x y) (+ y y))
3.384 * [regime-testing]: Baseline error score: 0.0556301909494547
3.385 * [regime-testing]: Oracle error score: 0.0008751093886735842
3.387 * [regime-testing]: End program error score: 0.0556301909494547
3.406 * [regime-testing]: Target error score: 0.017627203400425052