2.285 * [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 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 )
0.019 * * [simplify]: iteration  3 :  13  enodes  (cost  7 )
0.026 * * [simplify]: iteration  done :  13  enodes  (cost  7 )
0.026 * [simplify]: Simplified to:
   (/ (+ x y) (+ y y))
0.026 * * [progress]: iteration 1 / 4
0.026 * * * [progress]: picking best candidate
0.028 * * * * [pick]: Picked  #<alt (λ (x y) (/ (+ x y) (+ y y)))>
0.028 * * * [progress]: localizing error
0.033 * * * [progress]: generating rewritten candidates
0.033 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.051 * * * [progress]: generating series expansions
0.051 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.052 * [approximate]: Taking taylor expansion of (* 1/2 (/ (+ x y) y)) in (x y) around 0
0.052 * [taylor]: Taking taylor expansion of (* 1/2 (/ (+ x y) y)) in y
0.052 * [taylor]: Taking taylor expansion of 1/2 in y
0.052 * [taylor]: Taking taylor expansion of (/ (+ x y) y) in y
0.052 * [taylor]: Taking taylor expansion of (+ x y) in y
0.052 * [taylor]: Taking taylor expansion of x in y
0.052 * [taylor]: Taking taylor expansion of y in y
0.052 * [taylor]: Taking taylor expansion of y in y
0.052 * [taylor]: Taking taylor expansion of (* 1/2 (/ (+ x y) y)) in x
0.052 * [taylor]: Taking taylor expansion of 1/2 in x
0.052 * [taylor]: Taking taylor expansion of (/ (+ x y) y) in x
0.052 * [taylor]: Taking taylor expansion of (+ x y) in x
0.052 * [taylor]: Taking taylor expansion of x in x
0.052 * [taylor]: Taking taylor expansion of y in x
0.052 * [taylor]: Taking taylor expansion of y in x
0.052 * [taylor]: Taking taylor expansion of (* 1/2 (/ (+ x y) y)) in x
0.052 * [taylor]: Taking taylor expansion of 1/2 in x
0.052 * [taylor]: Taking taylor expansion of (/ (+ x y) y) in x
0.052 * [taylor]: Taking taylor expansion of (+ x y) in x
0.052 * [taylor]: Taking taylor expansion of x in x
0.052 * [taylor]: Taking taylor expansion of y in x
0.052 * [taylor]: Taking taylor expansion of y in x
0.053 * [taylor]: Taking taylor expansion of 1/2 in y
0.054 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 y)) in y
0.054 * [taylor]: Taking taylor expansion of 1/2 in y
0.054 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.054 * [taylor]: Taking taylor expansion of y in y
0.056 * [taylor]: Taking taylor expansion of 0 in y
0.058 * [taylor]: Taking taylor expansion of 0 in y
0.061 * [taylor]: Taking taylor expansion of 0 in y
0.061 * [approximate]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 y) (/ 1 x)) y)) in (x y) around 0
0.061 * [taylor]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 y) (/ 1 x)) y)) in y
0.062 * [taylor]: Taking taylor expansion of 1/2 in y
0.062 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) y) in y
0.062 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
0.062 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.062 * [taylor]: Taking taylor expansion of y in y
0.062 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.062 * [taylor]: Taking taylor expansion of x in y
0.062 * [taylor]: Taking taylor expansion of y in y
0.062 * [taylor]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 y) (/ 1 x)) y)) in x
0.062 * [taylor]: Taking taylor expansion of 1/2 in x
0.062 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) y) in x
0.062 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.062 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.062 * [taylor]: Taking taylor expansion of y in x
0.062 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.062 * [taylor]: Taking taylor expansion of x in x
0.063 * [taylor]: Taking taylor expansion of y in x
0.063 * [taylor]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 y) (/ 1 x)) y)) in x
0.063 * [taylor]: Taking taylor expansion of 1/2 in x
0.063 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) y) in x
0.063 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.063 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.063 * [taylor]: Taking taylor expansion of y in x
0.063 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.063 * [taylor]: Taking taylor expansion of x in x
0.063 * [taylor]: Taking taylor expansion of y in x
0.064 * [taylor]: Taking taylor expansion of (* 1/2 y) in y
0.064 * [taylor]: Taking taylor expansion of 1/2 in y
0.064 * [taylor]: Taking taylor expansion of y in y
0.065 * [taylor]: Taking taylor expansion of 1/2 in y
0.067 * [taylor]: Taking taylor expansion of 0 in y
0.071 * [taylor]: Taking taylor expansion of 0 in y
0.074 * [taylor]: Taking taylor expansion of 0 in y
0.075 * [approximate]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 y) (/ 1 x)) y)) in (x y) around 0
0.075 * [taylor]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 y) (/ 1 x)) y)) in y
0.075 * [taylor]: Taking taylor expansion of 1/2 in y
0.075 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) y) in y
0.075 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
0.075 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.075 * [taylor]: Taking taylor expansion of y in y
0.075 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.075 * [taylor]: Taking taylor expansion of x in y
0.075 * [taylor]: Taking taylor expansion of y in y
0.075 * [taylor]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 y) (/ 1 x)) y)) in x
0.075 * [taylor]: Taking taylor expansion of 1/2 in x
0.075 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) y) in x
0.076 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.076 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.076 * [taylor]: Taking taylor expansion of y in x
0.076 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.076 * [taylor]: Taking taylor expansion of x in x
0.076 * [taylor]: Taking taylor expansion of y in x
0.076 * [taylor]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 y) (/ 1 x)) y)) in x
0.076 * [taylor]: Taking taylor expansion of 1/2 in x
0.076 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) y) in x
0.076 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
0.076 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.076 * [taylor]: Taking taylor expansion of y in x
0.076 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.076 * [taylor]: Taking taylor expansion of x in x
0.076 * [taylor]: Taking taylor expansion of y in x
0.077 * [taylor]: Taking taylor expansion of (* 1/2 y) in y
0.077 * [taylor]: Taking taylor expansion of 1/2 in y
0.077 * [taylor]: Taking taylor expansion of y in y
0.078 * [taylor]: Taking taylor expansion of 1/2 in y
0.080 * [taylor]: Taking taylor expansion of 0 in y
0.083 * [taylor]: Taking taylor expansion of 0 in y
0.087 * [taylor]: Taking taylor expansion of 0 in y
0.087 * * * [progress]: simplifying candidates
0.089 * [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)
0.093 * * [simplify]: iteration  0 :  114  enodes  (cost  1089 )
0.118 * * [simplify]: iteration  1 :  233  enodes  (cost  986 )
0.159 * * [simplify]: iteration  2 :  593  enodes  (cost  955 )
0.310 * * [simplify]: iteration  3 :  1857  enodes  (cost  955 )
0.900 * * [simplify]: iteration  done :  5000  enodes  (cost  955 )
0.901 * [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)
0.902 * * * [progress]: adding candidates to table
1.044 * * [progress]: iteration 2 / 4
1.044 * * * [progress]: picking best candidate
1.046 * * * * [pick]: Picked  #<alt (λ (x y) (fma 1/2 (/ x y) 1/2))>
1.046 * * * [progress]: localizing error
1.052 * * * [progress]: generating rewritten candidates
1.052 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
1.052 * * * [progress]: generating series expansions
1.053 * * * * [progress]: [ 1 / 1 ] generating series at (2)
1.053 * [approximate]: Taking taylor expansion of (fma 1/2 (/ x y) 1/2) in (x y) around 0
1.053 * [taylor]: Taking taylor expansion of (fma 1/2 (/ x y) 1/2) in y
1.053 * [taylor]: Rewrote expression to (+ (* 1/2 (/ x y)) 1/2)
1.053 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in y
1.053 * [taylor]: Taking taylor expansion of 1/2 in y
1.053 * [taylor]: Taking taylor expansion of (/ x y) in y
1.053 * [taylor]: Taking taylor expansion of x in y
1.053 * [taylor]: Taking taylor expansion of y in y
1.053 * [taylor]: Taking taylor expansion of 1/2 in y
1.053 * [taylor]: Taking taylor expansion of (fma 1/2 (/ x y) 1/2) in x
1.053 * [taylor]: Rewrote expression to (+ (* 1/2 (/ x y)) 1/2)
1.053 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in x
1.053 * [taylor]: Taking taylor expansion of 1/2 in x
1.053 * [taylor]: Taking taylor expansion of (/ x y) in x
1.053 * [taylor]: Taking taylor expansion of x in x
1.053 * [taylor]: Taking taylor expansion of y in x
1.053 * [taylor]: Taking taylor expansion of 1/2 in x
1.053 * [taylor]: Taking taylor expansion of (fma 1/2 (/ x y) 1/2) in x
1.054 * [taylor]: Rewrote expression to (+ (* 1/2 (/ x y)) 1/2)
1.054 * [taylor]: Taking taylor expansion of (* 1/2 (/ x y)) in x
1.054 * [taylor]: Taking taylor expansion of 1/2 in x
1.054 * [taylor]: Taking taylor expansion of (/ x y) in x
1.054 * [taylor]: Taking taylor expansion of x in x
1.054 * [taylor]: Taking taylor expansion of y in x
1.054 * [taylor]: Taking taylor expansion of 1/2 in x
1.054 * [taylor]: Taking taylor expansion of 1/2 in y
1.054 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 y)) in y
1.055 * [taylor]: Taking taylor expansion of 1/2 in y
1.055 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.055 * [taylor]: Taking taylor expansion of y in y
1.056 * [taylor]: Taking taylor expansion of 0 in y
1.058 * [taylor]: Taking taylor expansion of 0 in y
1.061 * [taylor]: Taking taylor expansion of 0 in y
1.061 * [approximate]: Taking taylor expansion of (fma 1/2 (/ y x) 1/2) in (x y) around 0
1.061 * [taylor]: Taking taylor expansion of (fma 1/2 (/ y x) 1/2) in y
1.061 * [taylor]: Rewrote expression to (+ (* 1/2 (/ y x)) 1/2)
1.061 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in y
1.061 * [taylor]: Taking taylor expansion of 1/2 in y
1.061 * [taylor]: Taking taylor expansion of (/ y x) in y
1.061 * [taylor]: Taking taylor expansion of y in y
1.061 * [taylor]: Taking taylor expansion of x in y
1.061 * [taylor]: Taking taylor expansion of 1/2 in y
1.062 * [taylor]: Taking taylor expansion of (fma 1/2 (/ y x) 1/2) in x
1.062 * [taylor]: Rewrote expression to (+ (* 1/2 (/ y x)) 1/2)
1.062 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in x
1.062 * [taylor]: Taking taylor expansion of 1/2 in x
1.062 * [taylor]: Taking taylor expansion of (/ y x) in x
1.062 * [taylor]: Taking taylor expansion of y in x
1.062 * [taylor]: Taking taylor expansion of x in x
1.062 * [taylor]: Taking taylor expansion of 1/2 in x
1.062 * [taylor]: Taking taylor expansion of (fma 1/2 (/ y x) 1/2) in x
1.062 * [taylor]: Rewrote expression to (+ (* 1/2 (/ y x)) 1/2)
1.062 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in x
1.062 * [taylor]: Taking taylor expansion of 1/2 in x
1.062 * [taylor]: Taking taylor expansion of (/ y x) in x
1.062 * [taylor]: Taking taylor expansion of y in x
1.062 * [taylor]: Taking taylor expansion of x in x
1.062 * [taylor]: Taking taylor expansion of 1/2 in x
1.062 * [taylor]: Taking taylor expansion of (* 1/2 y) in y
1.062 * [taylor]: Taking taylor expansion of 1/2 in y
1.062 * [taylor]: Taking taylor expansion of y in y
1.064 * [taylor]: Taking taylor expansion of 1/2 in y
1.066 * [taylor]: Taking taylor expansion of 0 in y
1.069 * [taylor]: Taking taylor expansion of 0 in y
1.070 * [approximate]: Taking taylor expansion of (fma 1/2 (/ y x) 1/2) in (x y) around 0
1.070 * [taylor]: Taking taylor expansion of (fma 1/2 (/ y x) 1/2) in y
1.070 * [taylor]: Rewrote expression to (+ (* 1/2 (/ y x)) 1/2)
1.070 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in y
1.070 * [taylor]: Taking taylor expansion of 1/2 in y
1.070 * [taylor]: Taking taylor expansion of (/ y x) in y
1.070 * [taylor]: Taking taylor expansion of y in y
1.070 * [taylor]: Taking taylor expansion of x in y
1.070 * [taylor]: Taking taylor expansion of 1/2 in y
1.070 * [taylor]: Taking taylor expansion of (fma 1/2 (/ y x) 1/2) in x
1.070 * [taylor]: Rewrote expression to (+ (* 1/2 (/ y x)) 1/2)
1.070 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in x
1.071 * [taylor]: Taking taylor expansion of 1/2 in x
1.071 * [taylor]: Taking taylor expansion of (/ y x) in x
1.071 * [taylor]: Taking taylor expansion of y in x
1.071 * [taylor]: Taking taylor expansion of x in x
1.071 * [taylor]: Taking taylor expansion of 1/2 in x
1.071 * [taylor]: Taking taylor expansion of (fma 1/2 (/ y x) 1/2) in x
1.071 * [taylor]: Rewrote expression to (+ (* 1/2 (/ y x)) 1/2)
1.071 * [taylor]: Taking taylor expansion of (* 1/2 (/ y x)) in x
1.071 * [taylor]: Taking taylor expansion of 1/2 in x
1.071 * [taylor]: Taking taylor expansion of (/ y x) in x
1.071 * [taylor]: Taking taylor expansion of y in x
1.071 * [taylor]: Taking taylor expansion of x in x
1.071 * [taylor]: Taking taylor expansion of 1/2 in x
1.071 * [taylor]: Taking taylor expansion of (* 1/2 y) in y
1.071 * [taylor]: Taking taylor expansion of 1/2 in y
1.071 * [taylor]: Taking taylor expansion of y in y
1.073 * [taylor]: Taking taylor expansion of 1/2 in y
1.075 * [taylor]: Taking taylor expansion of 0 in y
1.078 * [taylor]: Taking taylor expansion of 0 in y
1.079 * * * [progress]: simplifying candidates
1.079 * [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)
1.080 * * [simplify]: iteration  0 :  16  enodes  (cost  110 )
1.082 * * [simplify]: iteration  1 :  21  enodes  (cost  107 )
1.086 * * [simplify]: iteration  2 :  53  enodes  (cost  95 )
1.098 * * [simplify]: iteration  3 :  154  enodes  (cost  95 )
1.142 * * [simplify]: iteration  4 :  561  enodes  (cost  95 )
1.390 * * [simplify]: iteration  5 :  2925  enodes  (cost  95 )
3.281 * * [simplify]: iteration  done :  5001  enodes  (cost  95 )
3.281 * [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)
3.281 * * * [progress]: adding candidates to table
3.312 * [progress]: [Phase 3 of 3] Extracting.
3.312 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (fma 1/2 (/ x y) 1/2))> #<alt (λ (x y) (/ (+ x y) (+ y y)))>)
3.312 * * * [regime-changes]: Trying 3 branch expressions: ((/ (+ x y) (+ y y)) y x)
3.312 * * * * [regimes]: Trying to branch on (/ (+ x y) (+ y y)) from (#<alt (λ (x y) (fma 1/2 (/ x y) 1/2))> #<alt (λ (x y) (/ (+ x y) (+ y y)))>)
3.327 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (fma 1/2 (/ x y) 1/2))> #<alt (λ (x y) (/ (+ x y) (+ y y)))>)
3.340 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (fma 1/2 (/ x y) 1/2))> #<alt (λ (x y) (/ (+ x y) (+ y y)))>)
3.352 * * * [regime]: Found split indices: #<option (#s(si 1 255))>
3.353 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (/ (+ x y) (+ y y))
3.353 * * [simplify]: iteration  0 :  5  enodes  (cost  7 )
3.353 * * [simplify]: iteration  1 :  6  enodes  (cost  7 )
3.354 * * [simplify]: iteration  done :  6  enodes  (cost  7 )
3.354 * [simplify]: Simplified to:
   (/ (+ x y) (+ y y))
3.814 * [regime-testing]: Baseline error score: 0.0556301909494547
3.815 * [regime-testing]: Oracle error score: 0.0008751093886735842
3.816 * [regime-testing]: End program error score: 0.0556301909494547
3.852 * [regime-testing]: Target error score: 0.017627203400425052