35.610 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.017 * * * [progress]: [2/2] Setting up program.
0.019 * [progress]: [Phase 2 of 3] Improving.
0.019 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (+ x (/ (* y y) z))
0.020 * * [simplify]: iteration  0 :  6  enodes  (cost  7 )
0.021 * * [simplify]: iteration  1 :  9  enodes  (cost  7 )
0.022 * * [simplify]: iteration  2 :  11  enodes  (cost  7 )
0.023 * * [simplify]: iteration  3 :  13  enodes  (cost  6 )
0.025 * * [simplify]: iteration  4 :  14  enodes  (cost  6 )
0.027 * * [simplify]: iteration  done :  14  enodes  (cost  6 )
0.027 * [simplify]: Simplified to:
   (fma (/ y z) y x)
0.029 * * [progress]: iteration 1 / 4
0.030 * * * [progress]: picking best candidate
0.033 * * * * [pick]: Picked  #<alt (λ (x y z) (fma (/ y z) y x))>
0.033 * * * [progress]: localizing error
0.038 * * * [progress]: generating rewritten candidates
0.038 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.039 * * * [progress]: generating series expansions
0.039 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.039 * [approximate]: Taking taylor expansion of (fma (/ y z) y x) in (y z x) around 0
0.039 * [taylor]: Taking taylor expansion of (fma (/ y z) y x) in x
0.039 * [taylor]: Rewrote expression to (+ (* (/ y z) y) x)
0.039 * [taylor]: Taking taylor expansion of (* (/ y z) y) in x
0.039 * [taylor]: Taking taylor expansion of (/ y z) in x
0.039 * [taylor]: Taking taylor expansion of y in x
0.039 * [taylor]: Taking taylor expansion of z 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 (fma (/ y z) y x) in z
0.039 * [taylor]: Rewrote expression to (+ (* (/ y z) y) x)
0.039 * [taylor]: Taking taylor expansion of (* (/ y z) y) in z
0.039 * [taylor]: Taking taylor expansion of (/ y z) in z
0.039 * [taylor]: Taking taylor expansion of y in z
0.039 * [taylor]: Taking taylor expansion of z in z
0.039 * [taylor]: Taking taylor expansion of y in z
0.039 * [taylor]: Taking taylor expansion of x in z
0.039 * [taylor]: Taking taylor expansion of (fma (/ y z) y x) in y
0.040 * [taylor]: Rewrote expression to (+ (* (/ y z) y) x)
0.040 * [taylor]: Taking taylor expansion of (* (/ y z) y) in y
0.040 * [taylor]: Taking taylor expansion of (/ y z) in y
0.040 * [taylor]: Taking taylor expansion of y in y
0.040 * [taylor]: Taking taylor expansion of z in y
0.040 * [taylor]: Taking taylor expansion of y in y
0.040 * [taylor]: Taking taylor expansion of x in y
0.040 * [taylor]: Taking taylor expansion of (fma (/ y z) y x) in y
0.040 * [taylor]: Rewrote expression to (+ (* (/ y z) y) x)
0.040 * [taylor]: Taking taylor expansion of (* (/ y z) y) in y
0.040 * [taylor]: Taking taylor expansion of (/ y z) in y
0.040 * [taylor]: Taking taylor expansion of y in y
0.040 * [taylor]: Taking taylor expansion of z in y
0.040 * [taylor]: Taking taylor expansion of y in y
0.040 * [taylor]: Taking taylor expansion of x in y
0.040 * [taylor]: Taking taylor expansion of x in z
0.041 * [taylor]: Taking taylor expansion of 0 in z
0.041 * [taylor]: Taking taylor expansion of x in x
0.041 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.041 * [taylor]: Taking taylor expansion of z in z
0.041 * [taylor]: Taking taylor expansion of 1 in x
0.041 * [taylor]: Taking taylor expansion of 0 in x
0.041 * [taylor]: Taking taylor expansion of 0 in x
0.042 * [taylor]: Taking taylor expansion of 0 in z
0.043 * [taylor]: Taking taylor expansion of 0 in x
0.043 * [taylor]: Taking taylor expansion of 0 in x
0.043 * [taylor]: Taking taylor expansion of 0 in x
0.044 * [approximate]: Taking taylor expansion of (fma (/ z y) (/ 1 y) (/ 1 x)) in (y z x) around 0
0.044 * [taylor]: Taking taylor expansion of (fma (/ z y) (/ 1 y) (/ 1 x)) in x
0.044 * [taylor]: Rewrote expression to (+ (* (/ z y) (/ 1 y)) (/ 1 x))
0.044 * [taylor]: Taking taylor expansion of (* (/ z y) (/ 1 y)) in x
0.044 * [taylor]: Taking taylor expansion of (/ z y) in x
0.044 * [taylor]: Taking taylor expansion of z in x
0.044 * [taylor]: Taking taylor expansion of y in x
0.044 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.044 * [taylor]: Taking taylor expansion of y in x
0.044 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.044 * [taylor]: Taking taylor expansion of x in x
0.044 * [taylor]: Taking taylor expansion of (fma (/ z y) (/ 1 y) (/ 1 x)) in z
0.045 * [taylor]: Rewrote expression to (+ (* (/ z y) (/ 1 y)) (/ 1 x))
0.045 * [taylor]: Taking taylor expansion of (* (/ z y) (/ 1 y)) in z
0.045 * [taylor]: Taking taylor expansion of (/ z y) in z
0.045 * [taylor]: Taking taylor expansion of z in z
0.045 * [taylor]: Taking taylor expansion of y in z
0.045 * [taylor]: Taking taylor expansion of (/ 1 y) in z
0.045 * [taylor]: Taking taylor expansion of y in z
0.045 * [taylor]: Taking taylor expansion of (/ 1 x) in z
0.045 * [taylor]: Taking taylor expansion of x in z
0.045 * [taylor]: Taking taylor expansion of (fma (/ z y) (/ 1 y) (/ 1 x)) in y
0.045 * [taylor]: Rewrote expression to (+ (* (/ z y) (/ 1 y)) (/ 1 x))
0.045 * [taylor]: Taking taylor expansion of (* (/ z y) (/ 1 y)) in y
0.045 * [taylor]: Taking taylor expansion of (/ z y) in y
0.045 * [taylor]: Taking taylor expansion of z in y
0.045 * [taylor]: Taking taylor expansion of y in y
0.045 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.045 * [taylor]: Taking taylor expansion of y in y
0.045 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.045 * [taylor]: Taking taylor expansion of x in y
0.045 * [taylor]: Taking taylor expansion of (fma (/ z y) (/ 1 y) (/ 1 x)) in y
0.046 * [taylor]: Rewrote expression to (+ (* (/ z y) (/ 1 y)) (/ 1 x))
0.046 * [taylor]: Taking taylor expansion of (* (/ z y) (/ 1 y)) in y
0.046 * [taylor]: Taking taylor expansion of (/ z y) in y
0.046 * [taylor]: Taking taylor expansion of z in y
0.046 * [taylor]: Taking taylor expansion of y in y
0.046 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.046 * [taylor]: Taking taylor expansion of y in y
0.046 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.046 * [taylor]: Taking taylor expansion of x in y
0.046 * [taylor]: Taking taylor expansion of z in z
0.046 * [taylor]: Taking taylor expansion of 0 in x
0.048 * [taylor]: Taking taylor expansion of 0 in z
0.048 * [taylor]: Taking taylor expansion of 0 in x
0.048 * [taylor]: Taking taylor expansion of 1 in x
0.050 * [taylor]: Taking taylor expansion of (/ 1 x) in z
0.050 * [taylor]: Taking taylor expansion of x in z
0.050 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.050 * [taylor]: Taking taylor expansion of x in x
0.050 * [taylor]: Taking taylor expansion of 0 in x
0.050 * [taylor]: Taking taylor expansion of 0 in x
0.053 * [taylor]: Taking taylor expansion of 0 in z
0.053 * [taylor]: Taking taylor expansion of 0 in x
0.053 * [taylor]: Taking taylor expansion of 0 in x
0.053 * [taylor]: Taking taylor expansion of 0 in x
0.053 * [taylor]: Taking taylor expansion of 0 in x
0.054 * [approximate]: Taking taylor expansion of (fma (/ z y) (/ -1 y) (/ -1 x)) in (y z x) around 0
0.055 * [taylor]: Taking taylor expansion of (fma (/ z y) (/ -1 y) (/ -1 x)) in x
0.055 * [taylor]: Rewrote expression to (+ (* (/ z y) (/ -1 y)) (/ -1 x))
0.055 * [taylor]: Taking taylor expansion of (* (/ z y) (/ -1 y)) in x
0.055 * [taylor]: Taking taylor expansion of (/ z y) in x
0.055 * [taylor]: Taking taylor expansion of z in x
0.055 * [taylor]: Taking taylor expansion of y in x
0.055 * [taylor]: Taking taylor expansion of (/ -1 y) in x
0.055 * [taylor]: Taking taylor expansion of -1 in x
0.055 * [taylor]: Taking taylor expansion of y in x
0.055 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.055 * [taylor]: Taking taylor expansion of -1 in x
0.055 * [taylor]: Taking taylor expansion of x in x
0.055 * [taylor]: Taking taylor expansion of (fma (/ z y) (/ -1 y) (/ -1 x)) in z
0.055 * [taylor]: Rewrote expression to (+ (* (/ z y) (/ -1 y)) (/ -1 x))
0.055 * [taylor]: Taking taylor expansion of (* (/ z y) (/ -1 y)) in z
0.055 * [taylor]: Taking taylor expansion of (/ z y) in z
0.055 * [taylor]: Taking taylor expansion of z in z
0.055 * [taylor]: Taking taylor expansion of y in z
0.056 * [taylor]: Taking taylor expansion of (/ -1 y) in z
0.056 * [taylor]: Taking taylor expansion of -1 in z
0.056 * [taylor]: Taking taylor expansion of y in z
0.056 * [taylor]: Taking taylor expansion of (/ -1 x) in z
0.056 * [taylor]: Taking taylor expansion of -1 in z
0.056 * [taylor]: Taking taylor expansion of x in z
0.056 * [taylor]: Taking taylor expansion of (fma (/ z y) (/ -1 y) (/ -1 x)) in y
0.056 * [taylor]: Rewrote expression to (+ (* (/ z y) (/ -1 y)) (/ -1 x))
0.056 * [taylor]: Taking taylor expansion of (* (/ z y) (/ -1 y)) in y
0.056 * [taylor]: Taking taylor expansion of (/ z y) in y
0.056 * [taylor]: Taking taylor expansion of z in y
0.056 * [taylor]: Taking taylor expansion of y in y
0.056 * [taylor]: Taking taylor expansion of (/ -1 y) in y
0.056 * [taylor]: Taking taylor expansion of -1 in y
0.056 * [taylor]: Taking taylor expansion of y in y
0.056 * [taylor]: Taking taylor expansion of (/ -1 x) in y
0.056 * [taylor]: Taking taylor expansion of -1 in y
0.056 * [taylor]: Taking taylor expansion of x in y
0.057 * [taylor]: Taking taylor expansion of (fma (/ z y) (/ -1 y) (/ -1 x)) in y
0.057 * [taylor]: Rewrote expression to (+ (* (/ z y) (/ -1 y)) (/ -1 x))
0.057 * [taylor]: Taking taylor expansion of (* (/ z y) (/ -1 y)) in y
0.057 * [taylor]: Taking taylor expansion of (/ z y) in y
0.057 * [taylor]: Taking taylor expansion of z in y
0.057 * [taylor]: Taking taylor expansion of y in y
0.057 * [taylor]: Taking taylor expansion of (/ -1 y) in y
0.057 * [taylor]: Taking taylor expansion of -1 in y
0.057 * [taylor]: Taking taylor expansion of y in y
0.057 * [taylor]: Taking taylor expansion of (/ -1 x) in y
0.057 * [taylor]: Taking taylor expansion of -1 in y
0.057 * [taylor]: Taking taylor expansion of x in y
0.057 * [taylor]: Taking taylor expansion of (- z) in z
0.057 * [taylor]: Taking taylor expansion of z in z
0.058 * [taylor]: Taking taylor expansion of 0 in x
0.059 * [taylor]: Taking taylor expansion of 0 in z
0.059 * [taylor]: Taking taylor expansion of 0 in x
0.060 * [taylor]: Taking taylor expansion of -1 in x
0.062 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in z
0.062 * [taylor]: Taking taylor expansion of (/ 1 x) in z
0.062 * [taylor]: Taking taylor expansion of x in z
0.062 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
0.062 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.062 * [taylor]: Taking taylor expansion of x in x
0.062 * [taylor]: Taking taylor expansion of 0 in x
0.063 * [taylor]: Taking taylor expansion of 0 in x
0.065 * [taylor]: Taking taylor expansion of 0 in z
0.066 * [taylor]: Taking taylor expansion of 0 in x
0.066 * [taylor]: Taking taylor expansion of 0 in x
0.066 * [taylor]: Taking taylor expansion of 0 in x
0.066 * [taylor]: Taking taylor expansion of 0 in x
0.068 * * * [progress]: simplifying candidates
0.068 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (expm1 (fma (/ y z) y x))
  (log1p (fma (/ y z) y x))
  (* (/ y z) y)
  (log (fma (/ y z) y x))
  (exp (fma (/ y z) y x))
  (* (cbrt (fma (/ y z) y x)) (cbrt (fma (/ y z) y x)))
  (cbrt (fma (/ y z) y x))
  (* (* (fma (/ y z) y x) (fma (/ y z) y x)) (fma (/ y z) y x))
  (sqrt (fma (/ y z) y x))
  (sqrt (fma (/ y z) y x))
  (+ x (/ (pow y 2) z))
  (+ x (/ (pow y 2) z))
  (+ x (/ (pow y 2) z))
0.069 * * [simplify]: iteration  0 :  19  enodes  (cost  110 )
0.076 * * [simplify]: iteration  1 :  29  enodes  (cost  107 )
0.082 * * [simplify]: iteration  2 :  71  enodes  (cost  95 )
0.100 * * [simplify]: iteration  3 :  195  enodes  (cost  95 )
0.169 * * [simplify]: iteration  4 :  693  enodes  (cost  95 )
0.551 * * [simplify]: iteration  5 :  3689  enodes  (cost  95 )
2.536 * * [simplify]: iteration  done :  5001  enodes  (cost  95 )
2.536 * [simplify]: Simplified to:
   (expm1 (fma (/ y z) y x))
  (log1p (fma (/ y z) y x))
  (/ (pow y 2) z)
  (log (fma (/ y z) y x))
  (exp (fma (/ y z) y x))
  (* (cbrt (fma (/ y z) y x)) (cbrt (fma (/ y z) y x)))
  (cbrt (fma (/ y z) y x))
  (pow (fma (/ y z) y x) 3)
  (sqrt (fma (/ y z) y x))
  (sqrt (fma (/ y z) y x))
  (fma (/ y z) y x)
  (fma (/ y z) y x)
  (fma (/ y z) y x)
2.536 * * * [progress]: adding candidates to table
2.566 * * [progress]: iteration 2 / 4
2.566 * * * [progress]: picking best candidate
2.570 * * * * [pick]: Picked  #<alt (λ (x y z) (+ (/ (pow y 2) z) x))>
2.571 * * * [progress]: localizing error
2.577 * * * [progress]: generating rewritten candidates
2.577 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1)
2.584 * * * [progress]: generating series expansions
2.584 * * * * [progress]: [ 1 / 1 ] generating series at (2 1)
2.584 * [approximate]: Taking taylor expansion of (/ (pow y 2) z) in (y z) around 0
2.584 * [taylor]: Taking taylor expansion of (/ (pow y 2) z) in z
2.585 * [taylor]: Taking taylor expansion of (pow y 2) in z
2.585 * [taylor]: Taking taylor expansion of y in z
2.585 * [taylor]: Taking taylor expansion of z in z
2.585 * [taylor]: Taking taylor expansion of (/ (pow y 2) z) in y
2.585 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.585 * [taylor]: Taking taylor expansion of y in y
2.585 * [taylor]: Taking taylor expansion of z in y
2.585 * [taylor]: Taking taylor expansion of (/ (pow y 2) z) in y
2.585 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.585 * [taylor]: Taking taylor expansion of y in y
2.585 * [taylor]: Taking taylor expansion of z in y
2.586 * [taylor]: Taking taylor expansion of (/ 1 z) in z
2.586 * [taylor]: Taking taylor expansion of z in z
2.587 * [taylor]: Taking taylor expansion of 0 in z
2.588 * [taylor]: Taking taylor expansion of 0 in z
2.589 * [taylor]: Taking taylor expansion of 0 in z
2.590 * [approximate]: Taking taylor expansion of (/ z (pow y 2)) in (y z) around 0
2.590 * [taylor]: Taking taylor expansion of (/ z (pow y 2)) in z
2.591 * [taylor]: Taking taylor expansion of z in z
2.591 * [taylor]: Taking taylor expansion of (pow y 2) in z
2.591 * [taylor]: Taking taylor expansion of y in z
2.591 * [taylor]: Taking taylor expansion of (/ z (pow y 2)) in y
2.591 * [taylor]: Taking taylor expansion of z in y
2.591 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.591 * [taylor]: Taking taylor expansion of y in y
2.591 * [taylor]: Taking taylor expansion of (/ z (pow y 2)) in y
2.591 * [taylor]: Taking taylor expansion of z in y
2.591 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.591 * [taylor]: Taking taylor expansion of y in y
2.592 * [taylor]: Taking taylor expansion of z in z
2.593 * [taylor]: Taking taylor expansion of 0 in z
2.594 * [taylor]: Taking taylor expansion of 0 in z
2.596 * [taylor]: Taking taylor expansion of 0 in z
2.596 * [approximate]: Taking taylor expansion of (* -1 (/ z (pow y 2))) in (y z) around 0
2.596 * [taylor]: Taking taylor expansion of (* -1 (/ z (pow y 2))) in z
2.597 * [taylor]: Taking taylor expansion of -1 in z
2.597 * [taylor]: Taking taylor expansion of (/ z (pow y 2)) in z
2.597 * [taylor]: Taking taylor expansion of z in z
2.597 * [taylor]: Taking taylor expansion of (pow y 2) in z
2.597 * [taylor]: Taking taylor expansion of y in z
2.597 * [taylor]: Taking taylor expansion of (* -1 (/ z (pow y 2))) in y
2.597 * [taylor]: Taking taylor expansion of -1 in y
2.597 * [taylor]: Taking taylor expansion of (/ z (pow y 2)) in y
2.597 * [taylor]: Taking taylor expansion of z in y
2.597 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.597 * [taylor]: Taking taylor expansion of y in y
2.597 * [taylor]: Taking taylor expansion of (* -1 (/ z (pow y 2))) in y
2.597 * [taylor]: Taking taylor expansion of -1 in y
2.597 * [taylor]: Taking taylor expansion of (/ z (pow y 2)) in y
2.597 * [taylor]: Taking taylor expansion of z in y
2.597 * [taylor]: Taking taylor expansion of (pow y 2) in y
2.597 * [taylor]: Taking taylor expansion of y in y
2.598 * [taylor]: Taking taylor expansion of (* -1 z) in z
2.598 * [taylor]: Taking taylor expansion of -1 in z
2.598 * [taylor]: Taking taylor expansion of z in z
2.600 * [taylor]: Taking taylor expansion of 0 in z
2.602 * [taylor]: Taking taylor expansion of 0 in z
2.606 * [taylor]: Taking taylor expansion of 0 in z
2.606 * * * [progress]: simplifying candidates
2.607 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (expm1 (/ (pow y 2) z))
  (log1p (/ (pow y 2) z))
  (- (* (log y) 2) (log z))
  (- (* (log y) 2) (log z))
  (- (log (pow y 2)) (log z))
  (log (/ (pow y 2) z))
  (exp (/ (pow y 2) z))
  (/ (* (* (pow y 2) (pow y 2)) (pow y 2)) (* (* z z) z))
  (* (cbrt (/ (pow y 2) z)) (cbrt (/ (pow y 2) z)))
  (cbrt (/ (pow y 2) z))
  (* (* (/ (pow y 2) z) (/ (pow y 2) z)) (/ (pow y 2) z))
  (sqrt (/ (pow y 2) z))
  (sqrt (/ (pow y 2) z))
  (- (pow y 2))
  (- z)
  (/ (pow (* (cbrt y) (cbrt y)) 2) (* (cbrt z) (cbrt z)))
  (/ (pow (cbrt y) 2) (cbrt z))
  (/ (pow (* (cbrt y) (cbrt y)) 2) (sqrt z))
  (/ (pow (cbrt y) 2) (sqrt z))
  (/ (pow (* (cbrt y) (cbrt y)) 2) 1)
  (/ (pow (cbrt y) 2) z)
  (/ (pow (sqrt y) 2) (* (cbrt z) (cbrt z)))
  (/ (pow (sqrt y) 2) (cbrt z))
  (/ (pow (sqrt y) 2) (sqrt z))
  (/ (pow (sqrt y) 2) (sqrt z))
  (/ (pow (sqrt y) 2) 1)
  (/ (pow (sqrt y) 2) z)
  (/ (pow 1 2) (* (cbrt z) (cbrt z)))
  (/ (pow y 2) (cbrt z))
  (/ (pow 1 2) (sqrt z))
  (/ (pow y 2) (sqrt z))
  (/ (pow 1 2) 1)
  (/ (pow y 2) z)
  (/ y (* (cbrt z) (cbrt z)))
  (/ y (cbrt z))
  (/ y (sqrt z))
  (/ y (sqrt z))
  (/ y 1)
  (/ y z)
  (/ (* (cbrt (pow y 2)) (cbrt (pow y 2))) (* (cbrt z) (cbrt z)))
  (/ (cbrt (pow y 2)) (cbrt z))
  (/ (* (cbrt (pow y 2)) (cbrt (pow y 2))) (sqrt z))
  (/ (cbrt (pow y 2)) (sqrt z))
  (/ (* (cbrt (pow y 2)) (cbrt (pow y 2))) 1)
  (/ (cbrt (pow y 2)) z)
  (/ (sqrt (pow y 2)) (* (cbrt z) (cbrt z)))
  (/ (sqrt (pow y 2)) (cbrt z))
  (/ (sqrt (pow y 2)) (sqrt z))
  (/ (sqrt (pow y 2)) (sqrt z))
  (/ (sqrt (pow y 2)) 1)
  (/ (sqrt (pow y 2)) z)
  (/ 1 (* (cbrt z) (cbrt z)))
  (/ (pow y 2) (cbrt z))
  (/ 1 (sqrt z))
  (/ (pow y 2) (sqrt z))
  (/ 1 1)
  (/ (pow y 2) z)
  (/ (pow y (/ 2 2)) (* (cbrt z) (cbrt z)))
  (/ (pow y (/ 2 2)) (cbrt z))
  (/ (pow y (/ 2 2)) (sqrt z))
  (/ (pow y (/ 2 2)) (sqrt z))
  (/ (pow y (/ 2 2)) 1)
  (/ (pow y (/ 2 2)) z)
  (/ 1 z)
  (/ z (pow y 2))
  (/ (pow y 2) (* (cbrt z) (cbrt z)))
  (/ (pow y 2) (sqrt z))
  (/ (pow y 2) 1)
  (/ z (pow (cbrt y) 2))
  (/ z (pow (sqrt y) 2))
  (/ z (pow y 2))
  (/ z y)
  (/ z (cbrt (pow y 2)))
  (/ z (sqrt (pow y 2)))
  (/ z (pow y 2))
  (/ z (pow y (/ 2 2)))
  (/ (pow y 2) z)
  (/ (pow y 2) z)
  (/ (pow y 2) z)
2.612 * * [simplify]: iteration  0 :  93  enodes  (cost  541 )
2.628 * * [simplify]: iteration  1 :  157  enodes  (cost  493 )
2.666 * * [simplify]: iteration  2 :  571  enodes  (cost  422 )
2.987 * * [simplify]: iteration  3 :  3318  enodes  (cost  422 )
5.545 * * [simplify]: iteration  done :  5000  enodes  (cost  422 )
5.546 * [simplify]: Simplified to:
   (expm1 (/ (pow y 2) z))
  (log1p (/ (pow y 2) z))
  (log (/ (pow y 2) z))
  (log (/ (pow y 2) z))
  (log (/ (pow y 2) z))
  (log (/ (pow y 2) z))
  (exp (/ (pow y 2) z))
  (pow (/ (pow y 2) z) 3)
  (* (cbrt (/ (pow y 2) z)) (cbrt (/ (pow y 2) z)))
  (cbrt (/ (pow y 2) z))
  (pow (/ (pow y 2) z) 3)
  (sqrt (/ (pow y 2) z))
  (sqrt (/ (pow y 2) z))
  (- (pow y 2))
  (- z)
  (/ (pow (cbrt y) 4) (* (cbrt z) (cbrt z)))
  (/ (pow (cbrt y) 2) (cbrt z))
  (/ (pow (cbrt y) 4) (sqrt z))
  (/ (pow (cbrt y) 2) (sqrt z))
  (pow (cbrt y) 4)
  (/ (pow (cbrt y) 2) z)
  (/ (/ y (cbrt z)) (cbrt z))
  (/ y (cbrt z))
  (/ y (sqrt z))
  (/ y (sqrt z))
  y
  (/ y z)
  (/ 1 (* (cbrt z) (cbrt z)))
  (* y (/ y (cbrt z)))
  (/ 1 (sqrt z))
  (/ (pow y 2) (sqrt z))
  1
  (/ y (/ z y))
  (/ (/ y (cbrt z)) (cbrt z))
  (/ y (cbrt z))
  (/ y (sqrt z))
  (/ y (sqrt z))
  y
  (/ y z)
  (/ (* (cbrt (pow y 2)) (cbrt (pow y 2))) (* (cbrt z) (cbrt z)))
  (/ (cbrt (pow y 2)) (cbrt z))
  (/ (* (cbrt (pow y 2)) (cbrt (pow y 2))) (sqrt z))
  (/ (cbrt (pow y 2)) (sqrt z))
  (* (cbrt (pow y 2)) (cbrt (pow y 2)))
  (/ (cbrt (pow y 2)) z)
  (/ (fabs y) (* (cbrt z) (cbrt z)))
  (/ (fabs y) (cbrt z))
  (/ (fabs y) (sqrt z))
  (/ (fabs y) (sqrt z))
  (fabs y)
  (/ (fabs y) z)
  (/ 1 (* (cbrt z) (cbrt z)))
  (* y (/ y (cbrt z)))
  (/ 1 (sqrt z))
  (/ (pow y 2) (sqrt z))
  1
  (/ y (/ z y))
  (/ (/ y (cbrt z)) (cbrt z))
  (/ y (cbrt z))
  (/ y (sqrt z))
  (/ y (sqrt z))
  y
  (/ y z)
  (/ 1 z)
  (/ z (pow y 2))
  (/ (pow y 2) (* (cbrt z) (cbrt z)))
  (/ (pow y 2) (sqrt z))
  (pow y 2)
  (/ z (pow (cbrt y) 2))
  (/ z y)
  (/ z (pow y 2))
  (/ z y)
  (/ z (cbrt (pow y 2)))
  (/ z (fabs y))
  (/ z (pow y 2))
  (/ z y)
  (/ y (/ z y))
  (/ y (/ z y))
  (/ y (/ z y))
5.546 * * * [progress]: adding candidates to table
5.661 * * [progress]: iteration 3 / 4
5.661 * * * [progress]: picking best candidate
5.664 * * * * [pick]: Picked  #<alt (λ (x y z) (+ (/ (pow y (/ 2 2)) (/ z y)) x))>
5.665 * * * [progress]: localizing error
5.673 * * * [progress]: generating rewritten candidates
5.673 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1)
5.690 * * * [progress]: generating series expansions
5.690 * * * * [progress]: [ 1 / 1 ] generating series at (2 1)
5.691 * [approximate]: Taking taylor expansion of (/ (pow y 2) z) in (y z) around 0
5.691 * [taylor]: Taking taylor expansion of (/ (pow y 2) z) in z
5.691 * [taylor]: Taking taylor expansion of (pow y 2) in z
5.691 * [taylor]: Taking taylor expansion of y in z
5.691 * [taylor]: Taking taylor expansion of z in z
5.691 * [taylor]: Taking taylor expansion of (/ (pow y 2) z) in y
5.691 * [taylor]: Taking taylor expansion of (pow y 2) in y
5.691 * [taylor]: Taking taylor expansion of y in y
5.691 * [taylor]: Taking taylor expansion of z in y
5.692 * [taylor]: Taking taylor expansion of (/ (pow y 2) z) in y
5.692 * [taylor]: Taking taylor expansion of (pow y 2) in y
5.692 * [taylor]: Taking taylor expansion of y in y
5.692 * [taylor]: Taking taylor expansion of z in y
5.692 * [taylor]: Taking taylor expansion of (/ 1 z) in z
5.692 * [taylor]: Taking taylor expansion of z in z
5.693 * [taylor]: Taking taylor expansion of 0 in z
5.694 * [taylor]: Taking taylor expansion of 0 in z
5.696 * [taylor]: Taking taylor expansion of 0 in z
5.697 * [approximate]: Taking taylor expansion of (/ z (pow y 2)) in (y z) around 0
5.697 * [taylor]: Taking taylor expansion of (/ z (pow y 2)) in z
5.697 * [taylor]: Taking taylor expansion of z in z
5.698 * [taylor]: Taking taylor expansion of (pow y 2) in z
5.698 * [taylor]: Taking taylor expansion of y in z
5.698 * [taylor]: Taking taylor expansion of (/ z (pow y 2)) in y
5.698 * [taylor]: Taking taylor expansion of z in y
5.698 * [taylor]: Taking taylor expansion of (pow y 2) in y
5.698 * [taylor]: Taking taylor expansion of y in y
5.698 * [taylor]: Taking taylor expansion of (/ z (pow y 2)) in y
5.698 * [taylor]: Taking taylor expansion of z in y
5.698 * [taylor]: Taking taylor expansion of (pow y 2) in y
5.698 * [taylor]: Taking taylor expansion of y in y
5.699 * [taylor]: Taking taylor expansion of z in z
5.700 * [taylor]: Taking taylor expansion of 0 in z
5.702 * [taylor]: Taking taylor expansion of 0 in z
5.704 * [taylor]: Taking taylor expansion of 0 in z
5.705 * [approximate]: Taking taylor expansion of (* -1 (/ z (pow y 2))) in (y z) around 0
5.705 * [taylor]: Taking taylor expansion of (* -1 (/ z (pow y 2))) in z
5.705 * [taylor]: Taking taylor expansion of -1 in z
5.705 * [taylor]: Taking taylor expansion of (/ z (pow y 2)) in z
5.705 * [taylor]: Taking taylor expansion of z in z
5.705 * [taylor]: Taking taylor expansion of (pow y 2) in z
5.705 * [taylor]: Taking taylor expansion of y in z
5.705 * [taylor]: Taking taylor expansion of (* -1 (/ z (pow y 2))) in y
5.705 * [taylor]: Taking taylor expansion of -1 in y
5.705 * [taylor]: Taking taylor expansion of (/ z (pow y 2)) in y
5.705 * [taylor]: Taking taylor expansion of z in y
5.705 * [taylor]: Taking taylor expansion of (pow y 2) in y
5.705 * [taylor]: Taking taylor expansion of y in y
5.706 * [taylor]: Taking taylor expansion of (* -1 (/ z (pow y 2))) in y
5.706 * [taylor]: Taking taylor expansion of -1 in y
5.706 * [taylor]: Taking taylor expansion of (/ z (pow y 2)) in y
5.706 * [taylor]: Taking taylor expansion of z in y
5.706 * [taylor]: Taking taylor expansion of (pow y 2) in y
5.706 * [taylor]: Taking taylor expansion of y in y
5.706 * [taylor]: Taking taylor expansion of (* -1 z) in z
5.706 * [taylor]: Taking taylor expansion of -1 in z
5.706 * [taylor]: Taking taylor expansion of z in z
5.708 * [taylor]: Taking taylor expansion of 0 in z
5.711 * [taylor]: Taking taylor expansion of 0 in z
5.715 * [taylor]: Taking taylor expansion of 0 in z
5.716 * * * [progress]: simplifying candidates
5.721 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (expm1 (/ (pow y (/ 2 2)) (/ z y)))
  (log1p (/ (pow y (/ 2 2)) (/ z y)))
  (- (* (log y) (/ 2 2)) (- (log z) (log y)))
  (- (* (log y) (/ 2 2)) (log (/ z y)))
  (- (* (log y) (/ 2 2)) (- (log z) (log y)))
  (- (* (log y) (/ 2 2)) (log (/ z y)))
  (- (log (pow y (/ 2 2))) (- (log z) (log y)))
  (- (log (pow y (/ 2 2))) (log (/ z y)))
  (log (/ (pow y (/ 2 2)) (/ z y)))
  (exp (/ (pow y (/ 2 2)) (/ z y)))
  (/ (* (* (pow y (/ 2 2)) (pow y (/ 2 2))) (pow y (/ 2 2))) (/ (* (* z z) z) (* (* y y) y)))
  (/ (* (* (pow y (/ 2 2)) (pow y (/ 2 2))) (pow y (/ 2 2))) (* (* (/ z y) (/ z y)) (/ z y)))
  (* (cbrt (/ (pow y (/ 2 2)) (/ z y))) (cbrt (/ (pow y (/ 2 2)) (/ z y))))
  (cbrt (/ (pow y (/ 2 2)) (/ z y)))
  (* (* (/ (pow y (/ 2 2)) (/ z y)) (/ (pow y (/ 2 2)) (/ z y))) (/ (pow y (/ 2 2)) (/ z y)))
  (sqrt (/ (pow y (/ 2 2)) (/ z y)))
  (sqrt (/ (pow y (/ 2 2)) (/ z y)))
  (- (pow y (/ 2 2)))
  (- (/ z y))
  (/ (pow (* (cbrt y) (cbrt y)) (/ 2 2)) (* (cbrt (/ z y)) (cbrt (/ z y))))
  (/ (pow (cbrt y) (/ 2 2)) (cbrt (/ z y)))
  (/ (pow (* (cbrt y) (cbrt y)) (/ 2 2)) (sqrt (/ z y)))
  (/ (pow (cbrt y) (/ 2 2)) (sqrt (/ z y)))
  (/ (pow (* (cbrt y) (cbrt y)) (/ 2 2)) (/ (* (cbrt z) (cbrt z)) (* (cbrt y) (cbrt y))))
  (/ (pow (cbrt y) (/ 2 2)) (/ (cbrt z) (cbrt y)))
  (/ (pow (* (cbrt y) (cbrt y)) (/ 2 2)) (/ (* (cbrt z) (cbrt z)) (sqrt y)))
  (/ (pow (cbrt y) (/ 2 2)) (/ (cbrt z) (sqrt y)))
  (/ (pow (* (cbrt y) (cbrt y)) (/ 2 2)) (/ (* (cbrt z) (cbrt z)) 1))
  (/ (pow (cbrt y) (/ 2 2)) (/ (cbrt z) y))
  (/ (pow (* (cbrt y) (cbrt y)) (/ 2 2)) (/ (sqrt z) (* (cbrt y) (cbrt y))))
  (/ (pow (cbrt y) (/ 2 2)) (/ (sqrt z) (cbrt y)))
  (/ (pow (* (cbrt y) (cbrt y)) (/ 2 2)) (/ (sqrt z) (sqrt y)))
  (/ (pow (cbrt y) (/ 2 2)) (/ (sqrt z) (sqrt y)))
  (/ (pow (* (cbrt y) (cbrt y)) (/ 2 2)) (/ (sqrt z) 1))
  (/ (pow (cbrt y) (/ 2 2)) (/ (sqrt z) y))
  (/ (pow (* (cbrt y) (cbrt y)) (/ 2 2)) (/ 1 (* (cbrt y) (cbrt y))))
  (/ (pow (cbrt y) (/ 2 2)) (/ z (cbrt y)))
  (/ (pow (* (cbrt y) (cbrt y)) (/ 2 2)) (/ 1 (sqrt y)))
  (/ (pow (cbrt y) (/ 2 2)) (/ z (sqrt y)))
  (/ (pow (* (cbrt y) (cbrt y)) (/ 2 2)) (/ 1 1))
  (/ (pow (cbrt y) (/ 2 2)) (/ z y))
  (/ (pow (* (cbrt y) (cbrt y)) (/ 2 2)) 1)
  (/ (pow (cbrt y) (/ 2 2)) (/ z y))
  (/ (pow (* (cbrt y) (cbrt y)) (/ 2 2)) z)
  (/ (pow (cbrt y) (/ 2 2)) (/ 1 y))
  (/ (pow (sqrt y) (/ 2 2)) (* (cbrt (/ z y)) (cbrt (/ z y))))
  (/ (pow (sqrt y) (/ 2 2)) (cbrt (/ z y)))
  (/ (pow (sqrt y) (/ 2 2)) (sqrt (/ z y)))
  (/ (pow (sqrt y) (/ 2 2)) (sqrt (/ z y)))
  (/ (pow (sqrt y) (/ 2 2)) (/ (* (cbrt z) (cbrt z)) (* (cbrt y) (cbrt y))))
  (/ (pow (sqrt y) (/ 2 2)) (/ (cbrt z) (cbrt y)))
  (/ (pow (sqrt y) (/ 2 2)) (/ (* (cbrt z) (cbrt z)) (sqrt y)))
  (/ (pow (sqrt y) (/ 2 2)) (/ (cbrt z) (sqrt y)))
  (/ (pow (sqrt y) (/ 2 2)) (/ (* (cbrt z) (cbrt z)) 1))
  (/ (pow (sqrt y) (/ 2 2)) (/ (cbrt z) y))
  (/ (pow (sqrt y) (/ 2 2)) (/ (sqrt z) (* (cbrt y) (cbrt y))))
  (/ (pow (sqrt y) (/ 2 2)) (/ (sqrt z) (cbrt y)))
  (/ (pow (sqrt y) (/ 2 2)) (/ (sqrt z) (sqrt y)))
  (/ (pow (sqrt y) (/ 2 2)) (/ (sqrt z) (sqrt y)))
  (/ (pow (sqrt y) (/ 2 2)) (/ (sqrt z) 1))
  (/ (pow (sqrt y) (/ 2 2)) (/ (sqrt z) y))
  (/ (pow (sqrt y) (/ 2 2)) (/ 1 (* (cbrt y) (cbrt y))))
  (/ (pow (sqrt y) (/ 2 2)) (/ z (cbrt y)))
  (/ (pow (sqrt y) (/ 2 2)) (/ 1 (sqrt y)))
  (/ (pow (sqrt y) (/ 2 2)) (/ z (sqrt y)))
  (/ (pow (sqrt y) (/ 2 2)) (/ 1 1))
  (/ (pow (sqrt y) (/ 2 2)) (/ z y))
  (/ (pow (sqrt y) (/ 2 2)) 1)
  (/ (pow (sqrt y) (/ 2 2)) (/ z y))
  (/ (pow (sqrt y) (/ 2 2)) z)
  (/ (pow (sqrt y) (/ 2 2)) (/ 1 y))
  (/ (pow 1 (/ 2 2)) (* (cbrt (/ z y)) (cbrt (/ z y))))
  (/ (pow y (/ 2 2)) (cbrt (/ z y)))
  (/ (pow 1 (/ 2 2)) (sqrt (/ z y)))
  (/ (pow y (/ 2 2)) (sqrt (/ z y)))
  (/ (pow 1 (/ 2 2)) (/ (* (cbrt z) (cbrt z)) (* (cbrt y) (cbrt y))))
  (/ (pow y (/ 2 2)) (/ (cbrt z) (cbrt y)))
  (/ (pow 1 (/ 2 2)) (/ (* (cbrt z) (cbrt z)) (sqrt y)))
  (/ (pow y (/ 2 2)) (/ (cbrt z) (sqrt y)))
  (/ (pow 1 (/ 2 2)) (/ (* (cbrt z) (cbrt z)) 1))
  (/ (pow y (/ 2 2)) (/ (cbrt z) y))
  (/ (pow 1 (/ 2 2)) (/ (sqrt z) (* (cbrt y) (cbrt y))))
  (/ (pow y (/ 2 2)) (/ (sqrt z) (cbrt y)))
  (/ (pow 1 (/ 2 2)) (/ (sqrt z) (sqrt y)))
  (/ (pow y (/ 2 2)) (/ (sqrt z) (sqrt y)))
  (/ (pow 1 (/ 2 2)) (/ (sqrt z) 1))
  (/ (pow y (/ 2 2)) (/ (sqrt z) y))
  (/ (pow 1 (/ 2 2)) (/ 1 (* (cbrt y) (cbrt y))))
  (/ (pow y (/ 2 2)) (/ z (cbrt y)))
  (/ (pow 1 (/ 2 2)) (/ 1 (sqrt y)))
  (/ (pow y (/ 2 2)) (/ z (sqrt y)))
  (/ (pow 1 (/ 2 2)) (/ 1 1))
  (/ (pow y (/ 2 2)) (/ z y))
  (/ (pow 1 (/ 2 2)) 1)
  (/ (pow y (/ 2 2)) (/ z y))
  (/ (pow 1 (/ 2 2)) z)
  (/ (pow y (/ 2 2)) (/ 1 y))
  (/ (* (cbrt (pow y (/ 2 2))) (cbrt (pow y (/ 2 2)))) (* (cbrt (/ z y)) (cbrt (/ z y))))
  (/ (cbrt (pow y (/ 2 2))) (cbrt (/ z y)))
  (/ (* (cbrt (pow y (/ 2 2))) (cbrt (pow y (/ 2 2)))) (sqrt (/ z y)))
  (/ (cbrt (pow y (/ 2 2))) (sqrt (/ z y)))
  (/ (* (cbrt (pow y (/ 2 2))) (cbrt (pow y (/ 2 2)))) (/ (* (cbrt z) (cbrt z)) (* (cbrt y) (cbrt y))))
  (/ (cbrt (pow y (/ 2 2))) (/ (cbrt z) (cbrt y)))
  (/ (* (cbrt (pow y (/ 2 2))) (cbrt (pow y (/ 2 2)))) (/ (* (cbrt z) (cbrt z)) (sqrt y)))
  (/ (cbrt (pow y (/ 2 2))) (/ (cbrt z) (sqrt y)))
  (/ (* (cbrt (pow y (/ 2 2))) (cbrt (pow y (/ 2 2)))) (/ (* (cbrt z) (cbrt z)) 1))
  (/ (cbrt (pow y (/ 2 2))) (/ (cbrt z) y))
  (/ (* (cbrt (pow y (/ 2 2))) (cbrt (pow y (/ 2 2)))) (/ (sqrt z) (* (cbrt y) (cbrt y))))
  (/ (cbrt (pow y (/ 2 2))) (/ (sqrt z) (cbrt y)))
  (/ (* (cbrt (pow y (/ 2 2))) (cbrt (pow y (/ 2 2)))) (/ (sqrt z) (sqrt y)))
  (/ (cbrt (pow y (/ 2 2))) (/ (sqrt z) (sqrt y)))
  (/ (* (cbrt (pow y (/ 2 2))) (cbrt (pow y (/ 2 2)))) (/ (sqrt z) 1))
  (/ (cbrt (pow y (/ 2 2))) (/ (sqrt z) y))
  (/ (* (cbrt (pow y (/ 2 2))) (cbrt (pow y (/ 2 2)))) (/ 1 (* (cbrt y) (cbrt y))))
  (/ (cbrt (pow y (/ 2 2))) (/ z (cbrt y)))
  (/ (* (cbrt (pow y (/ 2 2))) (cbrt (pow y (/ 2 2)))) (/ 1 (sqrt y)))
  (/ (cbrt (pow y (/ 2 2))) (/ z (sqrt y)))
  (/ (* (cbrt (pow y (/ 2 2))) (cbrt (pow y (/ 2 2)))) (/ 1 1))
  (/ (cbrt (pow y (/ 2 2))) (/ z y))
  (/ (* (cbrt (pow y (/ 2 2))) (cbrt (pow y (/ 2 2)))) 1)
  (/ (cbrt (pow y (/ 2 2))) (/ z y))
  (/ (* (cbrt (pow y (/ 2 2))) (cbrt (pow y (/ 2 2)))) z)
  (/ (cbrt (pow y (/ 2 2))) (/ 1 y))
  (/ (sqrt (pow y (/ 2 2))) (* (cbrt (/ z y)) (cbrt (/ z y))))
  (/ (sqrt (pow y (/ 2 2))) (cbrt (/ z y)))
  (/ (sqrt (pow y (/ 2 2))) (sqrt (/ z y)))
  (/ (sqrt (pow y (/ 2 2))) (sqrt (/ z y)))
  (/ (sqrt (pow y (/ 2 2))) (/ (* (cbrt z) (cbrt z)) (* (cbrt y) (cbrt y))))
  (/ (sqrt (pow y (/ 2 2))) (/ (cbrt z) (cbrt y)))
  (/ (sqrt (pow y (/ 2 2))) (/ (* (cbrt z) (cbrt z)) (sqrt y)))
  (/ (sqrt (pow y (/ 2 2))) (/ (cbrt z) (sqrt y)))
  (/ (sqrt (pow y (/ 2 2))) (/ (* (cbrt z) (cbrt z)) 1))
  (/ (sqrt (pow y (/ 2 2))) (/ (cbrt z) y))
  (/ (sqrt (pow y (/ 2 2))) (/ (sqrt z) (* (cbrt y) (cbrt y))))
  (/ (sqrt (pow y (/ 2 2))) (/ (sqrt z) (cbrt y)))
  (/ (sqrt (pow y (/ 2 2))) (/ (sqrt z) (sqrt y)))
  (/ (sqrt (pow y (/ 2 2))) (/ (sqrt z) (sqrt y)))
  (/ (sqrt (pow y (/ 2 2))) (/ (sqrt z) 1))
  (/ (sqrt (pow y (/ 2 2))) (/ (sqrt z) y))
  (/ (sqrt (pow y (/ 2 2))) (/ 1 (* (cbrt y) (cbrt y))))
  (/ (sqrt (pow y (/ 2 2))) (/ z (cbrt y)))
  (/ (sqrt (pow y (/ 2 2))) (/ 1 (sqrt y)))
  (/ (sqrt (pow y (/ 2 2))) (/ z (sqrt y)))
  (/ (sqrt (pow y (/ 2 2))) (/ 1 1))
  (/ (sqrt (pow y (/ 2 2))) (/ z y))
  (/ (sqrt (pow y (/ 2 2))) 1)
  (/ (sqrt (pow y (/ 2 2))) (/ z y))
  (/ (sqrt (pow y (/ 2 2))) z)
  (/ (sqrt (pow y (/ 2 2))) (/ 1 y))
  (/ 1 (* (cbrt (/ z y)) (cbrt (/ z y))))
  (/ (pow y (/ 2 2)) (cbrt (/ z y)))
  (/ 1 (sqrt (/ z y)))
  (/ (pow y (/ 2 2)) (sqrt (/ z y)))
  (/ 1 (/ (* (cbrt z) (cbrt z)) (* (cbrt y) (cbrt y))))
  (/ (pow y (/ 2 2)) (/ (cbrt z) (cbrt y)))
  (/ 1 (/ (* (cbrt z) (cbrt z)) (sqrt y)))
  (/ (pow y (/ 2 2)) (/ (cbrt z) (sqrt y)))
  (/ 1 (/ (* (cbrt z) (cbrt z)) 1))
  (/ (pow y (/ 2 2)) (/ (cbrt z) y))
  (/ 1 (/ (sqrt z) (* (cbrt y) (cbrt y))))
  (/ (pow y (/ 2 2)) (/ (sqrt z) (cbrt y)))
  (/ 1 (/ (sqrt z) (sqrt y)))
  (/ (pow y (/ 2 2)) (/ (sqrt z) (sqrt y)))
  (/ 1 (/ (sqrt z) 1))
  (/ (pow y (/ 2 2)) (/ (sqrt z) y))
  (/ 1 (/ 1 (* (cbrt y) (cbrt y))))
  (/ (pow y (/ 2 2)) (/ z (cbrt y)))
  (/ 1 (/ 1 (sqrt y)))
  (/ (pow y (/ 2 2)) (/ z (sqrt y)))
  (/ 1 (/ 1 1))
  (/ (pow y (/ 2 2)) (/ z y))
  (/ 1 1)
  (/ (pow y (/ 2 2)) (/ z y))
  (/ 1 z)
  (/ (pow y (/ 2 2)) (/ 1 y))
  (/ (pow y (/ (/ 2 2) 2)) (* (cbrt (/ z y)) (cbrt (/ z y))))
  (/ (pow y (/ (/ 2 2) 2)) (cbrt (/ z y)))
  (/ (pow y (/ (/ 2 2) 2)) (sqrt (/ z y)))
  (/ (pow y (/ (/ 2 2) 2)) (sqrt (/ z y)))
  (/ (pow y (/ (/ 2 2) 2)) (/ (* (cbrt z) (cbrt z)) (* (cbrt y) (cbrt y))))
  (/ (pow y (/ (/ 2 2) 2)) (/ (cbrt z) (cbrt y)))
  (/ (pow y (/ (/ 2 2) 2)) (/ (* (cbrt z) (cbrt z)) (sqrt y)))
  (/ (pow y (/ (/ 2 2) 2)) (/ (cbrt z) (sqrt y)))
  (/ (pow y (/ (/ 2 2) 2)) (/ (* (cbrt z) (cbrt z)) 1))
  (/ (pow y (/ (/ 2 2) 2)) (/ (cbrt z) y))
  (/ (pow y (/ (/ 2 2) 2)) (/ (sqrt z) (* (cbrt y) (cbrt y))))
  (/ (pow y (/ (/ 2 2) 2)) (/ (sqrt z) (cbrt y)))
  (/ (pow y (/ (/ 2 2) 2)) (/ (sqrt z) (sqrt y)))
  (/ (pow y (/ (/ 2 2) 2)) (/ (sqrt z) (sqrt y)))
  (/ (pow y (/ (/ 2 2) 2)) (/ (sqrt z) 1))
  (/ (pow y (/ (/ 2 2) 2)) (/ (sqrt z) y))
  (/ (pow y (/ (/ 2 2) 2)) (/ 1 (* (cbrt y) (cbrt y))))
  (/ (pow y (/ (/ 2 2) 2)) (/ z (cbrt y)))
  (/ (pow y (/ (/ 2 2) 2)) (/ 1 (sqrt y)))
  (/ (pow y (/ (/ 2 2) 2)) (/ z (sqrt y)))
  (/ (pow y (/ (/ 2 2) 2)) (/ 1 1))
  (/ (pow y (/ (/ 2 2) 2)) (/ z y))
  (/ (pow y (/ (/ 2 2) 2)) 1)
  (/ (pow y (/ (/ 2 2) 2)) (/ z y))
  (/ (pow y (/ (/ 2 2) 2)) z)
  (/ (pow y (/ (/ 2 2) 2)) (/ 1 y))
  (/ 1 (/ z y))
  (/ (/ z y) (pow y (/ 2 2)))
  (/ (pow y (/ 2 2)) (* (cbrt (/ z y)) (cbrt (/ z y))))
  (/ (pow y (/ 2 2)) (sqrt (/ z y)))
  (/ (pow y (/ 2 2)) (/ (* (cbrt z) (cbrt z)) (* (cbrt y) (cbrt y))))
  (/ (pow y (/ 2 2)) (/ (* (cbrt z) (cbrt z)) (sqrt y)))
  (/ (pow y (/ 2 2)) (/ (* (cbrt z) (cbrt z)) 1))
  (/ (pow y (/ 2 2)) (/ (sqrt z) (* (cbrt y) (cbrt y))))
  (/ (pow y (/ 2 2)) (/ (sqrt z) (sqrt y)))
  (/ (pow y (/ 2 2)) (/ (sqrt z) 1))
  (/ (pow y (/ 2 2)) (/ 1 (* (cbrt y) (cbrt y))))
  (/ (pow y (/ 2 2)) (/ 1 (sqrt y)))
  (/ (pow y (/ 2 2)) (/ 1 1))
  (/ (pow y (/ 2 2)) 1)
  (/ (pow y (/ 2 2)) z)
  (/ (/ z y) (pow (cbrt y) (/ 2 2)))
  (/ (/ z y) (pow (sqrt y) (/ 2 2)))
  (/ (/ z y) (pow y (/ 2 2)))
  (/ (/ z y) (cbrt (pow y (/ 2 2))))
  (/ (/ z y) (sqrt (pow y (/ 2 2))))
  (/ (/ z y) (pow y (/ 2 2)))
  (/ (/ z y) (pow y (/ (/ 2 2) 2)))
  (/ (pow y (/ 2 2)) z)
  (/ (pow y 2) z)
  (/ (pow y 2) z)
  (/ (pow y 2) z)
5.728 * * [simplify]: iteration  0 :  250  enodes  (cost  2713 )
5.771 * * [simplify]: iteration  1 :  541  enodes  (cost  2082 )
5.942 * * [simplify]: iteration  2 :  2535  enodes  (cost  1876 )
6.942 * * [simplify]: iteration  done :  5000  enodes  (cost  1876 )
6.943 * [simplify]: Simplified to:
   (expm1 (/ (pow y 2) z))
  (log1p (/ (pow y 2) z))
  (log (/ (pow y 2) z))
  (log (/ (pow y 2) z))
  (log (/ (pow y 2) z))
  (log (/ (pow y 2) z))
  (log (/ (pow y 2) z))
  (log (/ (pow y 2) z))
  (log (/ (pow y 2) z))
  (exp (/ (pow y 2) z))
  (pow (/ (pow y 2) z) 3)
  (pow (/ (pow y 2) z) 3)
  (* (cbrt (/ (pow y 2) z)) (cbrt (/ (pow y 2) z)))
  (cbrt (/ (pow y 2) z))
  (pow (/ (pow y 2) z) 3)
  (sqrt (/ (pow y 2) z))
  (sqrt (/ (pow y 2) z))
  (- (pow y 1))
  (- (/ z y))
  (/ (pow (* (cbrt y) (cbrt y)) 1) (* (cbrt (/ z y)) (cbrt (/ z y))))
  (/ (pow (cbrt y) 1) (cbrt (/ z y)))
  (/ (pow (* (cbrt y) (cbrt y)) 1) (sqrt (/ z y)))
  (/ (pow (cbrt y) 1) (sqrt (/ z y)))
  (/ (pow (* (cbrt y) (cbrt y)) 2) (* (cbrt z) (cbrt z)))
  (/ (pow (cbrt y) 1) (/ (cbrt z) (cbrt y)))
  (/ (pow (* (cbrt y) (cbrt y)) 1) (/ (* (cbrt z) (cbrt z)) (sqrt y)))
  (/ (pow (cbrt y) 1) (/ (cbrt z) (sqrt y)))
  (/ (pow (* (cbrt y) (cbrt y)) 1) (* (cbrt z) (cbrt z)))
  (/ (pow (cbrt y) 1) (/ (cbrt z) y))
  (/ (pow (* (cbrt y) (cbrt y)) 2) (sqrt z))
  (* (/ (pow (cbrt y) 1) (sqrt z)) (cbrt y))
  (/ (pow (* (cbrt y) (cbrt y)) 1) (/ (sqrt z) (sqrt y)))
  (* (/ (pow (cbrt y) 1) (sqrt z)) (sqrt y))
  (/ (pow (* (cbrt y) (cbrt y)) 1) (sqrt z))
  (/ (pow (cbrt y) 1) (/ (sqrt z) y))
  (pow (* (cbrt y) (cbrt y)) 2)
  (/ (pow (cbrt y) 1) (/ z (cbrt y)))
  (* (pow (* (cbrt y) (cbrt y)) 1) (sqrt y))
  (/ (pow (cbrt y) 1) (/ z (sqrt y)))
  (pow (* (cbrt y) (cbrt y)) 1)
  (/ (pow (cbrt y) 1) (/ z y))
  (pow (* (cbrt y) (cbrt y)) 1)
  (/ (pow (cbrt y) 1) (/ z y))
  (/ (pow (* (cbrt y) (cbrt y)) 1) z)
  (* (pow (cbrt y) 1) y)
  (/ (/ (pow (sqrt y) 1) (cbrt (/ z y))) (cbrt (/ z y)))
  (/ (pow (sqrt y) 1) (cbrt (/ z y)))
  (/ (pow (sqrt y) 1) (sqrt (/ z y)))
  (/ (pow (sqrt y) 1) (sqrt (/ z y)))
  (/ (pow (sqrt y) 1) (/ (* (cbrt z) (cbrt z)) (* (cbrt y) (cbrt y))))
  (/ (pow (sqrt y) 1) (/ (cbrt z) (cbrt y)))
  (/ (pow (sqrt y) 2) (* (cbrt z) (cbrt z)))
  (/ (pow (sqrt y) 2) (cbrt z))
  (/ (pow (sqrt y) 1) (* (cbrt z) (cbrt z)))
  (/ (pow (sqrt y) 1) (/ (cbrt z) y))
  (/ (pow (sqrt y) 1) (/ (sqrt z) (* (cbrt y) (cbrt y))))
  (* (/ (pow (sqrt y) 1) (sqrt z)) (cbrt y))
  (/ (pow (sqrt y) 2) (sqrt z))
  (/ (pow (sqrt y) 2) (sqrt z))
  (/ (pow (sqrt y) 1) (sqrt z))
  (* (/ (pow (sqrt y) 1) (sqrt z)) y)
  (* (pow (sqrt y) 1) (* (cbrt y) (cbrt y)))
  (/ (pow (sqrt y) 1) (/ z (cbrt y)))
  (pow (sqrt y) 2)
  (/ (pow (sqrt y) 2) z)
  (pow (sqrt y) 1)
  (/ (pow (sqrt y) 1) (/ z y))
  (pow (sqrt y) 1)
  (/ (pow (sqrt y) 1) (/ z y))
  (/ (pow (sqrt y) 1) z)
  (* (pow (sqrt y) 1) y)
  (/ 1 (* (cbrt (/ z y)) (cbrt (/ z y))))
  (/ (pow y 1) (cbrt (/ z y)))
  (/ 1 (sqrt (/ z y)))
  (/ (pow y 1) (sqrt (/ z y)))
  (/ (* (cbrt y) (cbrt y)) (* (cbrt z) (cbrt z)))
  (/ (pow y 1) (/ (cbrt z) (cbrt y)))
  (/ (sqrt y) (* (cbrt z) (cbrt z)))
  (/ (pow y 1) (/ (cbrt z) (sqrt y)))
  (/ 1 (* (cbrt z) (cbrt z)))
  (/ (pow y 2) (cbrt z))
  (/ (* (cbrt y) (cbrt y)) (sqrt z))
  (/ (pow y 1) (/ (sqrt z) (cbrt y)))
  (/ (sqrt y) (sqrt z))
  (/ (pow y 1) (/ (sqrt z) (sqrt y)))
  (/ 1 (sqrt z))
  (/ (pow y 2) (sqrt z))
  (* (cbrt y) (cbrt y))
  (/ (pow y 1) (/ z (cbrt y)))
  (sqrt y)
  (/ (pow y 1) (/ z (sqrt y)))
  1
  (/ (pow y 2) z)
  1
  (/ (pow y 2) z)
  (/ 1 z)
  (* y y)
  (/ (* (cbrt (pow y 1)) (cbrt (pow y 1))) (* (cbrt (/ z y)) (cbrt (/ z y))))
  (/ (cbrt (pow y 1)) (cbrt (/ z y)))
  (/ (* (cbrt (pow y 1)) (cbrt (pow y 1))) (sqrt (/ z y)))
  (/ (cbrt (pow y 1)) (sqrt (/ z y)))
  (/ (* (cbrt (pow y 1)) (cbrt (pow y 1))) (/ (* (cbrt z) (cbrt z)) (* (cbrt y) (cbrt y))))
  (/ (cbrt (pow y 1)) (/ (cbrt z) (cbrt y)))
  (/ (* (cbrt (pow y 1)) (cbrt (pow y 1))) (/ (* (cbrt z) (cbrt z)) (sqrt y)))
  (/ (cbrt (pow y 1)) (/ (cbrt z) (sqrt y)))
  (/ (* (cbrt (pow y 1)) (cbrt (pow y 1))) (* (cbrt z) (cbrt z)))
  (/ (cbrt (pow y 1)) (/ (cbrt z) y))
  (/ (* (cbrt (pow y 1)) (cbrt (pow y 1))) (/ (sqrt z) (* (cbrt y) (cbrt y))))
  (/ (cbrt (pow y 1)) (/ (sqrt z) (cbrt y)))
  (/ (* (cbrt (pow y 1)) (cbrt (pow y 1))) (/ (sqrt z) (sqrt y)))
  (/ (cbrt (pow y 1)) (/ (sqrt z) (sqrt y)))
  (/ (* (cbrt (pow y 1)) (cbrt (pow y 1))) (sqrt z))
  (/ (cbrt (pow y 1)) (/ (sqrt z) y))
  (* (* (cbrt (pow y 1)) (cbrt (pow y 1))) (* (cbrt y) (cbrt y)))
  (/ (cbrt (pow y 1)) (/ z (cbrt y)))
  (* (* (cbrt (pow y 1)) (cbrt (pow y 1))) (sqrt y))
  (/ (cbrt (pow y 1)) (/ z (sqrt y)))
  (* (cbrt (pow y 1)) (cbrt (pow y 1)))
  (/ (cbrt (pow y 1)) (/ z y))
  (* (cbrt (pow y 1)) (cbrt (pow y 1)))
  (/ (cbrt (pow y 1)) (/ z y))
  (/ (* (cbrt (pow y 1)) (cbrt (pow y 1))) z)
  (* (cbrt (pow y 1)) y)
  (/ (sqrt (pow y 1)) (* (cbrt (/ z y)) (cbrt (/ z y))))
  (/ (sqrt (pow y 1)) (cbrt (/ z y)))
  (/ (sqrt (pow y 1)) (sqrt (/ z y)))
  (/ (sqrt (pow y 1)) (sqrt (/ z y)))
  (/ (sqrt (pow y 1)) (/ (* (cbrt z) (cbrt z)) (* (cbrt y) (cbrt y))))
  (/ (sqrt (pow y 1)) (/ (cbrt z) (cbrt y)))
  (/ (sqrt (pow y 1)) (/ (* (cbrt z) (cbrt z)) (sqrt y)))
  (/ (sqrt (pow y 1)) (/ (cbrt z) (sqrt y)))
  (/ (sqrt (pow y 1)) (* (cbrt z) (cbrt z)))
  (/ (sqrt (pow y 1)) (/ (cbrt z) y))
  (/ (sqrt (pow y 1)) (/ (sqrt z) (* (cbrt y) (cbrt y))))
  (/ (sqrt (pow y 1)) (/ (sqrt z) (cbrt y)))
  (* (/ (sqrt (pow y 1)) (sqrt z)) (sqrt y))
  (* (/ (sqrt (pow y 1)) (sqrt z)) (sqrt y))
  (/ (sqrt (pow y 1)) (sqrt z))
  (/ (sqrt (pow y 1)) (/ (sqrt z) y))
  (* (sqrt (pow y 1)) (* (cbrt y) (cbrt y)))
  (/ (sqrt (pow y 1)) (/ z (cbrt y)))
  (* (sqrt (pow y 1)) (sqrt y))
  (/ (sqrt (pow y 1)) (/ z (sqrt y)))
  (sqrt (pow y 1))
  (* (/ (sqrt (pow y 1)) z) y)
  (sqrt (pow y 1))
  (* (/ (sqrt (pow y 1)) z) y)
  (/ (sqrt (pow y 1)) z)
  (* (sqrt (pow y 1)) y)
  (/ 1 (* (cbrt (/ z y)) (cbrt (/ z y))))
  (/ (pow y 1) (cbrt (/ z y)))
  (/ 1 (sqrt (/ z y)))
  (/ (pow y 1) (sqrt (/ z y)))
  (/ (* (cbrt y) (cbrt y)) (* (cbrt z) (cbrt z)))
  (/ (pow y 1) (/ (cbrt z) (cbrt y)))
  (/ (sqrt y) (* (cbrt z) (cbrt z)))
  (/ (pow y 1) (/ (cbrt z) (sqrt y)))
  (/ 1 (* (cbrt z) (cbrt z)))
  (/ (pow y 2) (cbrt z))
  (/ (* (cbrt y) (cbrt y)) (sqrt z))
  (/ (pow y 1) (/ (sqrt z) (cbrt y)))
  (/ (sqrt y) (sqrt z))
  (/ (pow y 1) (/ (sqrt z) (sqrt y)))
  (/ 1 (sqrt z))
  (/ (pow y 2) (sqrt z))
  (* (cbrt y) (cbrt y))
  (/ (pow y 1) (/ z (cbrt y)))
  (sqrt y)
  (/ (pow y 1) (/ z (sqrt y)))
  1
  (/ (pow y 2) z)
  1
  (/ (pow y 2) z)
  (/ 1 z)
  (* y y)
  (/ (pow y 1/2) (* (cbrt (/ z y)) (cbrt (/ z y))))
  (/ (pow y 1/2) (cbrt (/ z y)))
  (/ (pow y 1/2) (sqrt (/ z y)))
  (/ (pow y 1/2) (sqrt (/ z y)))
  (* (* (cbrt y) (cbrt y)) (/ (pow y 1/2) (* (cbrt z) (cbrt z))))
  (/ (pow y 1/2) (/ (cbrt z) (cbrt y)))
  (/ (* (pow y 1/2) (sqrt y)) (* (cbrt z) (cbrt z)))
  (/ (pow y 1/2) (/ (cbrt z) (sqrt y)))
  (/ (pow y 1/2) (* (cbrt z) (cbrt z)))
  (/ (* (pow y 1/2) y) (cbrt z))
  (* (/ (pow y 1/2) (/ (sqrt z) (cbrt y))) (cbrt y))
  (/ (pow y 1/2) (/ (sqrt z) (cbrt y)))
  (* (/ (pow y 1/2) (sqrt z)) (sqrt y))
  (* (/ (pow y 1/2) (sqrt z)) (sqrt y))
  (/ (pow y 1/2) (sqrt z))
  (/ (pow y 1/2) (/ (sqrt z) y))
  (* (pow y 1/2) (* (cbrt y) (cbrt y)))
  (/ (pow y 1/2) (/ z (cbrt y)))
  (* (pow y 1/2) (sqrt y))
  (* (/ (pow y 1/2) z) (sqrt y))
  (pow y 1/2)
  (* (/ (pow y 1/2) z) y)
  (pow y 1/2)
  (* (/ (pow y 1/2) z) y)
  (/ (pow y 1/2) z)
  (* (pow y 1/2) y)
  (/ 1 (/ z y))
  (/ z (* y y))
  (/ (pow y 1) (* (cbrt (/ z y)) (cbrt (/ z y))))
  (/ (pow y 1) (sqrt (/ z y)))
  (/ (pow y 1) (/ (* (cbrt z) (cbrt z)) (* (cbrt y) (cbrt y))))
  (/ (pow y 1) (/ (* (cbrt z) (cbrt z)) (sqrt y)))
  (/ (pow y 1) (* (cbrt z) (cbrt z)))
  (/ (pow y 1) (/ (sqrt z) (* (cbrt y) (cbrt y))))
  (/ (pow y 1) (/ (sqrt z) (sqrt y)))
  (/ (pow y 1) (sqrt z))
  (* (pow y 1) (* (cbrt y) (cbrt y)))
  (* (pow y 1) (sqrt y))
  (pow y 1)
  (pow y 1)
  (/ (pow y 1) z)
  (/ (/ z y) (pow (cbrt y) 1))
  (/ (/ z y) (pow (sqrt y) 1))
  (/ z (* y y))
  (/ (/ z y) (cbrt (pow y 1)))
  (/ (/ z y) (sqrt (pow y 1)))
  (/ z (* y y))
  (/ (/ z y) (pow y 1/2))
  (/ (pow y 1) z)
  (/ (pow y 2) z)
  (/ (pow y 2) z)
  (/ (pow y 2) z)
6.944 * * * [progress]: adding candidates to table
7.304 * * [progress]: iteration 4 / 4
7.304 * * * [progress]: picking best candidate
7.305 * * * * [pick]: Picked  #<alt (λ (x y z) (+ (* (/ 1 z) (* y y)) x))>
7.305 * * * [progress]: localizing error
7.313 * * * [progress]: generating rewritten candidates
7.313 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1)
7.328 * * * [progress]: generating series expansions
7.328 * * * * [progress]: [ 1 / 1 ] generating series at (2 1)
7.329 * [approximate]: Taking taylor expansion of (/ (pow y 2) z) in (z y) around 0
7.329 * [taylor]: Taking taylor expansion of (/ (pow y 2) z) in y
7.329 * [taylor]: Taking taylor expansion of (pow y 2) in y
7.329 * [taylor]: Taking taylor expansion of y in y
7.329 * [taylor]: Taking taylor expansion of z in y
7.329 * [taylor]: Taking taylor expansion of (/ (pow y 2) z) in z
7.329 * [taylor]: Taking taylor expansion of (pow y 2) in z
7.329 * [taylor]: Taking taylor expansion of y in z
7.330 * [taylor]: Taking taylor expansion of z in z
7.330 * [taylor]: Taking taylor expansion of (/ (pow y 2) z) in z
7.330 * [taylor]: Taking taylor expansion of (pow y 2) in z
7.330 * [taylor]: Taking taylor expansion of y in z
7.330 * [taylor]: Taking taylor expansion of z in z
7.330 * [taylor]: Taking taylor expansion of (pow y 2) in y
7.330 * [taylor]: Taking taylor expansion of y in y
7.331 * [taylor]: Taking taylor expansion of 0 in y
7.333 * [taylor]: Taking taylor expansion of 0 in y
7.336 * [taylor]: Taking taylor expansion of 0 in y
7.336 * [approximate]: Taking taylor expansion of (/ z (pow y 2)) in (z y) around 0
7.336 * [taylor]: Taking taylor expansion of (/ z (pow y 2)) in y
7.336 * [taylor]: Taking taylor expansion of z in y
7.336 * [taylor]: Taking taylor expansion of (pow y 2) in y
7.336 * [taylor]: Taking taylor expansion of y in y
7.337 * [taylor]: Taking taylor expansion of (/ z (pow y 2)) in z
7.337 * [taylor]: Taking taylor expansion of z in z
7.337 * [taylor]: Taking taylor expansion of (pow y 2) in z
7.337 * [taylor]: Taking taylor expansion of y in z
7.337 * [taylor]: Taking taylor expansion of (/ z (pow y 2)) in z
7.337 * [taylor]: Taking taylor expansion of z in z
7.337 * [taylor]: Taking taylor expansion of (pow y 2) in z
7.337 * [taylor]: Taking taylor expansion of y in z
7.337 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
7.337 * [taylor]: Taking taylor expansion of (pow y 2) in y
7.337 * [taylor]: Taking taylor expansion of y in y
7.338 * [taylor]: Taking taylor expansion of 0 in y
7.340 * [taylor]: Taking taylor expansion of 0 in y
7.342 * [taylor]: Taking taylor expansion of 0 in y
7.348 * [taylor]: Taking taylor expansion of 0 in y
7.348 * [approximate]: Taking taylor expansion of (* -1 (/ z (pow y 2))) in (z y) around 0
7.348 * [taylor]: Taking taylor expansion of (* -1 (/ z (pow y 2))) in y
7.348 * [taylor]: Taking taylor expansion of -1 in y
7.348 * [taylor]: Taking taylor expansion of (/ z (pow y 2)) in y
7.348 * [taylor]: Taking taylor expansion of z in y
7.348 * [taylor]: Taking taylor expansion of (pow y 2) in y
7.348 * [taylor]: Taking taylor expansion of y in y
7.349 * [taylor]: Taking taylor expansion of (* -1 (/ z (pow y 2))) in z
7.349 * [taylor]: Taking taylor expansion of -1 in z
7.349 * [taylor]: Taking taylor expansion of (/ z (pow y 2)) in z
7.349 * [taylor]: Taking taylor expansion of z in z
7.349 * [taylor]: Taking taylor expansion of (pow y 2) in z
7.349 * [taylor]: Taking taylor expansion of y in z
7.349 * [taylor]: Taking taylor expansion of (* -1 (/ z (pow y 2))) in z
7.349 * [taylor]: Taking taylor expansion of -1 in z
7.349 * [taylor]: Taking taylor expansion of (/ z (pow y 2)) in z
7.349 * [taylor]: Taking taylor expansion of z in z
7.349 * [taylor]: Taking taylor expansion of (pow y 2) in z
7.349 * [taylor]: Taking taylor expansion of y in z
7.349 * [taylor]: Taking taylor expansion of (/ -1 (pow y 2)) in y
7.349 * [taylor]: Taking taylor expansion of -1 in y
7.349 * [taylor]: Taking taylor expansion of (pow y 2) in y
7.349 * [taylor]: Taking taylor expansion of y in y
7.351 * [taylor]: Taking taylor expansion of 0 in y
7.353 * [taylor]: Taking taylor expansion of 0 in y
7.356 * [taylor]: Taking taylor expansion of 0 in y
7.360 * [taylor]: Taking taylor expansion of 0 in y
7.361 * * * [progress]: simplifying candidates
7.361 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (expm1 (* (/ 1 z) (* y y)))
  (log1p (* (/ 1 z) (* y y)))
  (* (/ 1 z) (* y y))
  (* (/ 1 z) (* y y))
  (+ (- (log z)) (+ (log y) (log y)))
  (+ (- (log z)) (log (* y y)))
  (+ (- 0 (log z)) (+ (log y) (log y)))
  (+ (- 0 (log z)) (log (* y y)))
  (+ (- (log 1) (log z)) (+ (log y) (log y)))
  (+ (- (log 1) (log z)) (log (* y y)))
  (+ (log (/ 1 z)) (+ (log y) (log y)))
  (+ (log (/ 1 z)) (log (* y y)))
  (log (* (/ 1 z) (* y y)))
  (exp (* (/ 1 z) (* y y)))
  (* (/ (* (* 1 1) 1) (* (* z z) z)) (* (* (* y y) y) (* (* y y) y)))
  (* (/ (* (* 1 1) 1) (* (* z z) z)) (* (* (* y y) (* y y)) (* y y)))
  (* (* (* (/ 1 z) (/ 1 z)) (/ 1 z)) (* (* (* y y) y) (* (* y y) y)))
  (* (* (* (/ 1 z) (/ 1 z)) (/ 1 z)) (* (* (* y y) (* y y)) (* y y)))
  (* (cbrt (* (/ 1 z) (* y y))) (cbrt (* (/ 1 z) (* y y))))
  (cbrt (* (/ 1 z) (* y y)))
  (* (* (* (/ 1 z) (* y y)) (* (/ 1 z) (* y y))) (* (/ 1 z) (* y y)))
  (sqrt (* (/ 1 z) (* y y)))
  (sqrt (* (/ 1 z) (* y y)))
  (* (sqrt (/ 1 z)) y)
  (* (sqrt (/ 1 z)) y)
  (* (/ (sqrt 1) (sqrt z)) y)
  (* (/ (sqrt 1) (sqrt z)) y)
  (* (/ 1 (sqrt z)) y)
  (* (/ 1 (sqrt z)) y)
  (* (/ 1 z) y)
  (* (cbrt (/ 1 z)) (* y y))
  (* (sqrt (/ 1 z)) (* y y))
  (* (/ (cbrt 1) (cbrt z)) (* y y))
  (* (/ (cbrt 1) (sqrt z)) (* y y))
  (* (/ (cbrt 1) z) (* y y))
  (* (/ (sqrt 1) (cbrt z)) (* y y))
  (* (/ (sqrt 1) (sqrt z)) (* y y))
  (* (/ (sqrt 1) z) (* y y))
  (* (/ 1 (cbrt z)) (* y y))
  (* (/ 1 (sqrt z)) (* y y))
  (* (/ 1 z) (* y y))
  (* (/ 1 z) (* y y))
  (* (/ 1 z) (* y y))
  (* 1 (* y y))
  (/ (pow y 2) z)
  (/ (pow y 2) z)
  (/ (pow y 2) z)
7.363 * * [simplify]: iteration  0 :  80  enodes  (cost  446 )
7.381 * * [simplify]: iteration  1 :  218  enodes  (cost  362 )
7.443 * * [simplify]: iteration  2 :  743  enodes  (cost  274 )
8.172 * * [simplify]: iteration  3 :  3603  enodes  (cost  274 )
11.856 * * [simplify]: iteration  done :  5000  enodes  (cost  274 )
11.856 * [simplify]: Simplified to:
   (expm1 (/ (pow y 2) z))
  (log1p (/ (pow y 2) z))
  (/ (pow y 2) z)
  (/ (pow y 2) z)
  (log (/ (pow y 2) z))
  (log (/ (pow y 2) z))
  (log (/ (pow y 2) z))
  (log (/ (pow y 2) z))
  (log (/ (pow y 2) z))
  (log (/ (pow y 2) z))
  (log (/ (pow y 2) z))
  (log (/ (pow y 2) z))
  (log (/ (pow y 2) z))
  (exp (/ (pow y 2) z))
  (pow (/ (pow y 2) z) 3)
  (pow (/ (pow y 2) z) 3)
  (pow (/ (pow y 2) z) 3)
  (pow (/ (pow y 2) z) 3)
  (* (cbrt (/ (pow y 2) z)) (cbrt (/ (pow y 2) z)))
  (cbrt (/ (pow y 2) z))
  (pow (/ (pow y 2) z) 3)
  (sqrt (/ (pow y 2) z))
  (sqrt (/ (pow y 2) z))
  (* (sqrt (/ 1 z)) y)
  (* (sqrt (/ 1 z)) y)
  (/ y (sqrt z))
  (/ y (sqrt z))
  (/ y (sqrt z))
  (/ y (sqrt z))
  (/ y z)
  (* (cbrt (/ 1 z)) (* y y))
  (* (sqrt (/ 1 z)) (* y y))
  (/ (* y y) (cbrt z))
  (* y (/ y (sqrt z)))
  (/ (pow y 2) z)
  (/ (* y y) (cbrt z))
  (* y (/ y (sqrt z)))
  (/ (pow y 2) z)
  (/ (* y y) (cbrt z))
  (* y (/ y (sqrt z)))
  (/ (pow y 2) z)
  (/ (pow y 2) z)
  (/ (pow y 2) z)
  (* y y)
  (/ (pow y 2) z)
  (/ (pow y 2) z)
  (/ (pow y 2) z)
11.857 * * * [progress]: adding candidates to table
11.940 * [progress]: [Phase 3 of 3] Extracting.
11.940 * * [regime]: Finding splitpoints for: (#<alt (λ (x y z) (fma (/ y z) y x))> #<alt (λ (x y z) (+ (* (/ 1 z) (* y y)) x))> #<alt (λ (x y z) (+ (/ (pow y (/ 2 2)) (/ z y)) x))>)
11.940 * * * [regime-changes]: Trying 4 branch expressions: ((* y y) z y x)
11.940 * * * * [regimes]: Trying to branch on (* y y) from (#<alt (λ (x y z) (fma (/ y z) y x))> #<alt (λ (x y z) (+ (* (/ 1 z) (* y y)) x))> #<alt (λ (x y z) (+ (/ (pow y (/ 2 2)) (/ z y)) x))>)
11.957 * * * * [regimes]: Trying to branch on z from (#<alt (λ (x y z) (fma (/ y z) y x))> #<alt (λ (x y z) (+ (* (/ 1 z) (* y y)) x))> #<alt (λ (x y z) (+ (/ (pow y (/ 2 2)) (/ z y)) x))>)
11.972 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y z) (fma (/ y z) y x))> #<alt (λ (x y z) (+ (* (/ 1 z) (* y y)) x))> #<alt (λ (x y z) (+ (/ (pow y (/ 2 2)) (/ z y)) x))>)
11.989 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y z) (fma (/ y z) y x))> #<alt (λ (x y z) (+ (* (/ 1 z) (* y y)) x))> #<alt (λ (x y z) (+ (/ (pow y (/ 2 2)) (/ z y)) x))>)
12.004 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
12.004 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (fma (/ y z) y x)
12.005 * * [simplify]: iteration  0 :  5  enodes  (cost  6 )
12.005 * * [simplify]: iteration  done :  5  enodes  (cost  6 )
12.005 * [simplify]: Simplified to:
   (fma (/ y z) y x)
12.593 * [regime-testing]: Baseline error score: 0.09095949024887126
12.594 * [regime-testing]: Oracle error score: 0.015700082822943013
12.595 * [regime-testing]: End program error score: 0.09095949024887126
12.615 * [regime-testing]: Target error score: 0.09228277597217681