13.322 * [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> :
   (/ (* 4.0 (- (- x y) (* z 0.5))) z)
0.020 * * [simplify]: iteration  0 :  10  enodes  (cost  11 )
0.021 * * [simplify]: iteration  1 :  20  enodes  (cost  11 )
0.023 * * [simplify]: iteration  2 :  47  enodes  (cost  11 )
0.030 * * [simplify]: iteration  3 :  130  enodes  (cost  11 )
0.053 * * [simplify]: iteration  4 :  281  enodes  (cost  11 )
0.104 * * [simplify]: iteration  5 :  555  enodes  (cost  11 )
0.236 * * [simplify]: iteration  6 :  1069  enodes  (cost  11 )
0.597 * * [simplify]: iteration  7 :  1534  enodes  (cost  9 )
1.782 * * [simplify]: iteration  8 :  3671  enodes  (cost  9 )
6.786 * * [simplify]: iteration  done :  5000  enodes  (cost  9 )
6.786 * [simplify]: Simplified to:
   (* (- (/ (- x y) z) 0.5) 4.0)
6.789 * * [progress]: iteration 1 / 4
6.789 * * * [progress]: picking best candidate
6.790 * * * * [pick]: Picked  #<alt (λ (x y z) (* (- (/ (- x y) z) 0.5) 4.0))>
6.790 * * * [progress]: localizing error
6.797 * * * [progress]: generating rewritten candidates
6.797 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1 1)
6.806 * * * [progress]: generating series expansions
6.806 * * * * [progress]: [ 1 / 1 ] generating series at (2 1 1)
6.806 * [approximate]: Taking taylor expansion of (/ (- x y) z) in (x y z) around 0
6.806 * [taylor]: Taking taylor expansion of (/ (- x y) z) in z
6.806 * [taylor]: Taking taylor expansion of (- x y) in z
6.806 * [taylor]: Taking taylor expansion of x in z
6.806 * [taylor]: Taking taylor expansion of y in z
6.806 * [taylor]: Taking taylor expansion of z in z
6.806 * [taylor]: Taking taylor expansion of (/ (- x y) z) in y
6.806 * [taylor]: Taking taylor expansion of (- x y) in y
6.806 * [taylor]: Taking taylor expansion of x in y
6.806 * [taylor]: Taking taylor expansion of y in y
6.806 * [taylor]: Taking taylor expansion of z in y
6.807 * [taylor]: Taking taylor expansion of (/ (- x y) z) in x
6.807 * [taylor]: Taking taylor expansion of (- x y) in x
6.807 * [taylor]: Taking taylor expansion of x in x
6.807 * [taylor]: Taking taylor expansion of y in x
6.807 * [taylor]: Taking taylor expansion of z in x
6.807 * [taylor]: Taking taylor expansion of (/ (- x y) z) in x
6.807 * [taylor]: Taking taylor expansion of (- x y) in x
6.807 * [taylor]: Taking taylor expansion of x in x
6.807 * [taylor]: Taking taylor expansion of y in x
6.807 * [taylor]: Taking taylor expansion of z in x
6.807 * [taylor]: Taking taylor expansion of (* -1 (/ y z)) in y
6.807 * [taylor]: Taking taylor expansion of -1 in y
6.807 * [taylor]: Taking taylor expansion of (/ y z) in y
6.807 * [taylor]: Taking taylor expansion of y in y
6.807 * [taylor]: Taking taylor expansion of z in y
6.808 * [taylor]: Taking taylor expansion of (/ 1 z) in y
6.808 * [taylor]: Taking taylor expansion of z in y
6.808 * [taylor]: Taking taylor expansion of (/ 1 z) in z
6.808 * [taylor]: Taking taylor expansion of z in z
6.808 * [taylor]: Taking taylor expansion of (/ -1 z) in z
6.808 * [taylor]: Taking taylor expansion of -1 in z
6.808 * [taylor]: Taking taylor expansion of z in z
6.809 * [taylor]: Taking taylor expansion of 0 in y
6.809 * [taylor]: Taking taylor expansion of 0 in z
6.809 * [taylor]: Taking taylor expansion of 0 in z
6.809 * [taylor]: Taking taylor expansion of 0 in z
6.811 * [taylor]: Taking taylor expansion of 0 in y
6.811 * [taylor]: Taking taylor expansion of 0 in z
6.811 * [taylor]: Taking taylor expansion of 0 in z
6.811 * [taylor]: Taking taylor expansion of 0 in z
6.812 * [taylor]: Taking taylor expansion of 0 in z
6.812 * [approximate]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) z) in (x y z) around 0
6.813 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) z) in z
6.813 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in z
6.813 * [taylor]: Taking taylor expansion of (/ 1 x) in z
6.813 * [taylor]: Taking taylor expansion of x in z
6.813 * [taylor]: Taking taylor expansion of (/ 1 y) in z
6.813 * [taylor]: Taking taylor expansion of y in z
6.813 * [taylor]: Taking taylor expansion of z in z
6.813 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) z) in y
6.813 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
6.813 * [taylor]: Taking taylor expansion of (/ 1 x) in y
6.813 * [taylor]: Taking taylor expansion of x in y
6.813 * [taylor]: Taking taylor expansion of (/ 1 y) in y
6.813 * [taylor]: Taking taylor expansion of y in y
6.813 * [taylor]: Taking taylor expansion of z in y
6.813 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) z) in x
6.813 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
6.813 * [taylor]: Taking taylor expansion of (/ 1 x) in x
6.813 * [taylor]: Taking taylor expansion of x in x
6.813 * [taylor]: Taking taylor expansion of (/ 1 y) in x
6.813 * [taylor]: Taking taylor expansion of y in x
6.813 * [taylor]: Taking taylor expansion of z in x
6.813 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) z) in x
6.813 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
6.814 * [taylor]: Taking taylor expansion of (/ 1 x) in x
6.814 * [taylor]: Taking taylor expansion of x in x
6.814 * [taylor]: Taking taylor expansion of (/ 1 y) in x
6.814 * [taylor]: Taking taylor expansion of y in x
6.814 * [taylor]: Taking taylor expansion of z in x
6.814 * [taylor]: Taking taylor expansion of z in y
6.815 * [taylor]: Taking taylor expansion of (- (/ z y)) in y
6.815 * [taylor]: Taking taylor expansion of (/ z y) in y
6.815 * [taylor]: Taking taylor expansion of z in y
6.815 * [taylor]: Taking taylor expansion of y in y
6.815 * [taylor]: Taking taylor expansion of (- z) in z
6.815 * [taylor]: Taking taylor expansion of z in z
6.815 * [taylor]: Taking taylor expansion of z in z
6.817 * [taylor]: Taking taylor expansion of 0 in y
6.818 * [taylor]: Taking taylor expansion of 0 in z
6.818 * [taylor]: Taking taylor expansion of 0 in z
6.819 * [taylor]: Taking taylor expansion of 0 in y
6.820 * [taylor]: Taking taylor expansion of 0 in z
6.821 * [taylor]: Taking taylor expansion of 0 in z
6.821 * [taylor]: Taking taylor expansion of 0 in z
6.821 * [approximate]: Taking taylor expansion of (* -1 (* z (- (/ 1 y) (/ 1 x)))) in (x y z) around 0
6.821 * [taylor]: Taking taylor expansion of (* -1 (* z (- (/ 1 y) (/ 1 x)))) in z
6.821 * [taylor]: Taking taylor expansion of -1 in z
6.821 * [taylor]: Taking taylor expansion of (* z (- (/ 1 y) (/ 1 x))) in z
6.821 * [taylor]: Taking taylor expansion of z in z
6.821 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in z
6.821 * [taylor]: Taking taylor expansion of (/ 1 y) in z
6.821 * [taylor]: Taking taylor expansion of y in z
6.821 * [taylor]: Taking taylor expansion of (/ 1 x) in z
6.821 * [taylor]: Taking taylor expansion of x in z
6.821 * [taylor]: Taking taylor expansion of (* -1 (* z (- (/ 1 y) (/ 1 x)))) in y
6.821 * [taylor]: Taking taylor expansion of -1 in y
6.821 * [taylor]: Taking taylor expansion of (* z (- (/ 1 y) (/ 1 x))) in y
6.821 * [taylor]: Taking taylor expansion of z in y
6.822 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
6.822 * [taylor]: Taking taylor expansion of (/ 1 y) in y
6.822 * [taylor]: Taking taylor expansion of y in y
6.822 * [taylor]: Taking taylor expansion of (/ 1 x) in y
6.822 * [taylor]: Taking taylor expansion of x in y
6.822 * [taylor]: Taking taylor expansion of (* -1 (* z (- (/ 1 y) (/ 1 x)))) in x
6.822 * [taylor]: Taking taylor expansion of -1 in x
6.822 * [taylor]: Taking taylor expansion of (* z (- (/ 1 y) (/ 1 x))) in x
6.822 * [taylor]: Taking taylor expansion of z in x
6.822 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
6.822 * [taylor]: Taking taylor expansion of (/ 1 y) in x
6.822 * [taylor]: Taking taylor expansion of y in x
6.822 * [taylor]: Taking taylor expansion of (/ 1 x) in x
6.822 * [taylor]: Taking taylor expansion of x in x
6.822 * [taylor]: Taking taylor expansion of (* -1 (* z (- (/ 1 y) (/ 1 x)))) in x
6.822 * [taylor]: Taking taylor expansion of -1 in x
6.822 * [taylor]: Taking taylor expansion of (* z (- (/ 1 y) (/ 1 x))) in x
6.822 * [taylor]: Taking taylor expansion of z in x
6.822 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
6.822 * [taylor]: Taking taylor expansion of (/ 1 y) in x
6.822 * [taylor]: Taking taylor expansion of y in x
6.822 * [taylor]: Taking taylor expansion of (/ 1 x) in x
6.822 * [taylor]: Taking taylor expansion of x in x
6.823 * [taylor]: Taking taylor expansion of z in y
6.824 * [taylor]: Taking taylor expansion of (- (/ z y)) in y
6.824 * [taylor]: Taking taylor expansion of (/ z y) in y
6.824 * [taylor]: Taking taylor expansion of z in y
6.824 * [taylor]: Taking taylor expansion of y in y
6.824 * [taylor]: Taking taylor expansion of (- z) in z
6.825 * [taylor]: Taking taylor expansion of z in z
6.825 * [taylor]: Taking taylor expansion of z in z
6.827 * [taylor]: Taking taylor expansion of 0 in y
6.827 * [taylor]: Taking taylor expansion of 0 in z
6.827 * [taylor]: Taking taylor expansion of 0 in z
6.830 * [taylor]: Taking taylor expansion of 0 in y
6.830 * [taylor]: Taking taylor expansion of 0 in z
6.831 * [taylor]: Taking taylor expansion of 0 in z
6.831 * [taylor]: Taking taylor expansion of 0 in z
6.831 * * * [progress]: simplifying candidates
6.832 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (- (log (- x y)) (log z))
  (log (/ (- x y) z))
  (exp (/ (- x y) z))
  (/ (* (* (- x y) (- x y)) (- x y)) (* (* z z) z))
  (* (cbrt (/ (- x y) z)) (cbrt (/ (- x y) z)))
  (cbrt (/ (- x y) z))
  (* (* (/ (- x y) z) (/ (- x y) z)) (/ (- x y) z))
  (sqrt (/ (- x y) z))
  (sqrt (/ (- x y) z))
  (- (- x y))
  (- z)
  (/ x z)
  (/ y z)
  (/ (* (cbrt (- x y)) (cbrt (- x y))) (* (cbrt z) (cbrt z)))
  (/ (cbrt (- x y)) (cbrt z))
  (/ (* (cbrt (- x y)) (cbrt (- x y))) (sqrt z))
  (/ (cbrt (- x y)) (sqrt z))
  (/ (* (cbrt (- x y)) (cbrt (- x y))) 1)
  (/ (cbrt (- x y)) z)
  (/ (sqrt (- x y)) (* (cbrt z) (cbrt z)))
  (/ (sqrt (- x y)) (cbrt z))
  (/ (sqrt (- x y)) (sqrt z))
  (/ (sqrt (- x y)) (sqrt z))
  (/ (sqrt (- x y)) 1)
  (/ (sqrt (- x y)) z)
  (/ 1 (* (cbrt z) (cbrt z)))
  (/ (- x y) (cbrt z))
  (/ 1 (sqrt z))
  (/ (- x y) (sqrt z))
  (/ 1 1)
  (/ (- x y) z)
  (/ (+ (sqrt x) (sqrt y)) (* (cbrt z) (cbrt z)))
  (/ (- (sqrt x) (sqrt y)) (cbrt z))
  (/ (+ (sqrt x) (sqrt y)) (sqrt z))
  (/ (- (sqrt x) (sqrt y)) (sqrt z))
  (/ (+ (sqrt x) (sqrt y)) 1)
  (/ (- (sqrt x) (sqrt y)) z)
  (/ 1 (* (cbrt z) (cbrt z)))
  (/ (- x y) (cbrt z))
  (/ 1 (sqrt z))
  (/ (- x y) (sqrt z))
  (/ 1 1)
  (/ (- x y) z)
  (/ 1 z)
  (/ z (- x y))
  (/ (- x y) (* (cbrt z) (cbrt z)))
  (/ (- x y) (sqrt z))
  (/ (- x y) 1)
  (/ z (cbrt (- x y)))
  (/ z (sqrt (- x y)))
  (/ z (- x y))
  (/ z (- (sqrt x) (sqrt y)))
  (/ z (- x y))
  (* z (+ (* x x) (+ (* y y) (* x y))))
  (* z (+ x y))
  (- (/ x z) (/ y z))
  (- (/ x z) (/ y z))
  (- (/ x z) (/ y z))
6.834 * * [simplify]: iteration  0 :  73  enodes  (cost  404 )
6.848 * * [simplify]: iteration  1 :  156  enodes  (cost  383 )
6.873 * * [simplify]: iteration  2 :  415  enodes  (cost  363 )
6.968 * * [simplify]: iteration  3 :  1298  enodes  (cost  363 )
7.490 * * [simplify]: iteration  4 :  3274  enodes  (cost  362 )
8.815 * * [simplify]: iteration  done :  5001  enodes  (cost  362 )
8.816 * [simplify]: Simplified to:
   (log (/ (- x y) z))
  (log (/ (- x y) z))
  (exp (/ (- x y) z))
  (pow (/ (- x y) z) 3)
  (* (cbrt (/ (- x y) z)) (cbrt (/ (- x y) z)))
  (cbrt (/ (- x y) z))
  (pow (/ (- x y) z) 3)
  (sqrt (/ (- x y) z))
  (sqrt (/ (- x y) z))
  (- y x)
  (- z)
  (/ x z)
  (/ y z)
  (/ (* (cbrt (- x y)) (cbrt (- x y))) (* (cbrt z) (cbrt z)))
  (/ (cbrt (- x y)) (cbrt z))
  (/ (* (cbrt (- x y)) (cbrt (- x y))) (sqrt z))
  (/ (cbrt (- x y)) (sqrt z))
  (* (cbrt (- x y)) (cbrt (- x y)))
  (/ (cbrt (- x y)) z)
  (/ (sqrt (- x y)) (* (cbrt z) (cbrt z)))
  (/ (sqrt (- x y)) (cbrt z))
  (/ (sqrt (- x y)) (sqrt z))
  (/ (sqrt (- x y)) (sqrt z))
  (sqrt (- x y))
  (/ (sqrt (- x y)) z)
  (/ 1 (* (cbrt z) (cbrt z)))
  (/ (- x y) (cbrt z))
  (/ 1 (sqrt z))
  (/ (- x y) (sqrt z))
  1
  (/ (- x y) z)
  (/ (+ (sqrt x) (sqrt y)) (* (cbrt z) (cbrt z)))
  (/ (- (sqrt x) (sqrt y)) (cbrt z))
  (/ (+ (sqrt x) (sqrt y)) (sqrt z))
  (/ (- (sqrt x) (sqrt y)) (sqrt z))
  (+ (sqrt x) (sqrt y))
  (/ (- (sqrt x) (sqrt y)) z)
  (/ 1 (* (cbrt z) (cbrt z)))
  (/ (- x y) (cbrt z))
  (/ 1 (sqrt z))
  (/ (- x y) (sqrt z))
  1
  (/ (- x y) z)
  (/ 1 z)
  (/ z (- x y))
  (/ (- x y) (* (cbrt z) (cbrt z)))
  (/ (- x y) (sqrt z))
  (- x y)
  (/ z (cbrt (- x y)))
  (/ z (sqrt (- x y)))
  (/ z (- x y))
  (/ z (- (sqrt x) (sqrt y)))
  (/ z (- x y))
  (* (+ (* y (+ x y)) (* x x)) z)
  (* (+ x y) z)
  (/ (- x y) z)
  (/ (- x y) z)
  (/ (- x y) z)
8.816 * * * [progress]: adding candidates to table
8.897 * * [progress]: iteration 2 / 4
8.897 * * * [progress]: picking best candidate
8.899 * * * * [pick]: Picked  #<alt (λ (x y z) (* (- (- (/ x z) (/ y z)) 0.5) 4.0))>
8.899 * * * [progress]: localizing error
8.907 * * * [progress]: generating rewritten candidates
8.907 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1 1)
8.924 * * * [progress]: generating series expansions
8.924 * * * * [progress]: [ 1 / 1 ] generating series at (2 1 1)
8.924 * [approximate]: Taking taylor expansion of (- (/ x z) (/ y z)) in (x z y) around 0
8.924 * [taylor]: Taking taylor expansion of (- (/ x z) (/ y z)) in y
8.924 * [taylor]: Taking taylor expansion of (/ x z) in y
8.924 * [taylor]: Taking taylor expansion of x in y
8.924 * [taylor]: Taking taylor expansion of z in y
8.924 * [taylor]: Taking taylor expansion of (/ y z) in y
8.924 * [taylor]: Taking taylor expansion of y in y
8.924 * [taylor]: Taking taylor expansion of z in y
8.924 * [taylor]: Taking taylor expansion of (- (/ x z) (/ y z)) in z
8.924 * [taylor]: Taking taylor expansion of (/ x z) in z
8.924 * [taylor]: Taking taylor expansion of x in z
8.924 * [taylor]: Taking taylor expansion of z in z
8.924 * [taylor]: Taking taylor expansion of (/ y z) in z
8.924 * [taylor]: Taking taylor expansion of y in z
8.924 * [taylor]: Taking taylor expansion of z in z
8.924 * [taylor]: Taking taylor expansion of (- (/ x z) (/ y z)) in x
8.924 * [taylor]: Taking taylor expansion of (/ x z) in x
8.924 * [taylor]: Taking taylor expansion of x in x
8.924 * [taylor]: Taking taylor expansion of z in x
8.924 * [taylor]: Taking taylor expansion of (/ y z) in x
8.924 * [taylor]: Taking taylor expansion of y in x
8.924 * [taylor]: Taking taylor expansion of z in x
8.925 * [taylor]: Taking taylor expansion of (- (/ x z) (/ y z)) in x
8.925 * [taylor]: Taking taylor expansion of (/ x z) in x
8.925 * [taylor]: Taking taylor expansion of x in x
8.925 * [taylor]: Taking taylor expansion of z in x
8.925 * [taylor]: Taking taylor expansion of (/ y z) in x
8.925 * [taylor]: Taking taylor expansion of y in x
8.925 * [taylor]: Taking taylor expansion of z in x
8.925 * [taylor]: Taking taylor expansion of (- (/ y z)) in z
8.925 * [taylor]: Taking taylor expansion of (/ y z) in z
8.925 * [taylor]: Taking taylor expansion of y in z
8.925 * [taylor]: Taking taylor expansion of z in z
8.925 * [taylor]: Taking taylor expansion of (- y) in y
8.925 * [taylor]: Taking taylor expansion of y in y
8.926 * [taylor]: Taking taylor expansion of (/ 1 z) in z
8.926 * [taylor]: Taking taylor expansion of z in z
8.926 * [taylor]: Taking taylor expansion of 1 in y
8.927 * [taylor]: Taking taylor expansion of 0 in y
8.928 * [taylor]: Taking taylor expansion of 0 in z
8.928 * [taylor]: Taking taylor expansion of 0 in y
8.929 * [taylor]: Taking taylor expansion of 0 in y
8.930 * [taylor]: Taking taylor expansion of 0 in z
8.930 * [taylor]: Taking taylor expansion of 0 in y
8.930 * [approximate]: Taking taylor expansion of (- (/ z x) (/ z y)) in (x z y) around 0
8.930 * [taylor]: Taking taylor expansion of (- (/ z x) (/ z y)) in y
8.930 * [taylor]: Taking taylor expansion of (/ z x) in y
8.931 * [taylor]: Taking taylor expansion of z in y
8.931 * [taylor]: Taking taylor expansion of x in y
8.931 * [taylor]: Taking taylor expansion of (/ z y) in y
8.931 * [taylor]: Taking taylor expansion of z in y
8.931 * [taylor]: Taking taylor expansion of y in y
8.931 * [taylor]: Taking taylor expansion of (- (/ z x) (/ z y)) in z
8.931 * [taylor]: Taking taylor expansion of (/ z x) in z
8.931 * [taylor]: Taking taylor expansion of z in z
8.931 * [taylor]: Taking taylor expansion of x in z
8.931 * [taylor]: Taking taylor expansion of (/ z y) in z
8.931 * [taylor]: Taking taylor expansion of z in z
8.931 * [taylor]: Taking taylor expansion of y in z
8.931 * [taylor]: Taking taylor expansion of (- (/ z x) (/ z y)) in x
8.931 * [taylor]: Taking taylor expansion of (/ z x) in x
8.931 * [taylor]: Taking taylor expansion of z in x
8.931 * [taylor]: Taking taylor expansion of x in x
8.931 * [taylor]: Taking taylor expansion of (/ z y) in x
8.931 * [taylor]: Taking taylor expansion of z in x
8.931 * [taylor]: Taking taylor expansion of y in x
8.931 * [taylor]: Taking taylor expansion of (- (/ z x) (/ z y)) in x
8.931 * [taylor]: Taking taylor expansion of (/ z x) in x
8.931 * [taylor]: Taking taylor expansion of z in x
8.931 * [taylor]: Taking taylor expansion of x in x
8.931 * [taylor]: Taking taylor expansion of (/ z y) in x
8.931 * [taylor]: Taking taylor expansion of z in x
8.931 * [taylor]: Taking taylor expansion of y in x
8.931 * [taylor]: Taking taylor expansion of z in z
8.931 * [taylor]: Taking taylor expansion of 1 in y
8.932 * [taylor]: Taking taylor expansion of (- (/ z y)) in z
8.932 * [taylor]: Taking taylor expansion of (/ z y) in z
8.932 * [taylor]: Taking taylor expansion of z in z
8.932 * [taylor]: Taking taylor expansion of y in z
8.932 * [taylor]: Taking taylor expansion of (- (/ 1 y)) in y
8.932 * [taylor]: Taking taylor expansion of (/ 1 y) in y
8.932 * [taylor]: Taking taylor expansion of y in y
8.933 * [taylor]: Taking taylor expansion of 0 in y
8.934 * [taylor]: Taking taylor expansion of 0 in z
8.934 * [taylor]: Taking taylor expansion of 0 in y
8.934 * [taylor]: Taking taylor expansion of 0 in y
8.934 * [taylor]: Taking taylor expansion of 0 in y
8.937 * [taylor]: Taking taylor expansion of 0 in z
8.937 * [taylor]: Taking taylor expansion of 0 in y
8.937 * [taylor]: Taking taylor expansion of 0 in y
8.937 * [taylor]: Taking taylor expansion of 0 in y
8.937 * [taylor]: Taking taylor expansion of 0 in y
8.938 * [approximate]: Taking taylor expansion of (- (/ z x) (/ z y)) in (x z y) around 0
8.938 * [taylor]: Taking taylor expansion of (- (/ z x) (/ z y)) in y
8.938 * [taylor]: Taking taylor expansion of (/ z x) in y
8.938 * [taylor]: Taking taylor expansion of z in y
8.938 * [taylor]: Taking taylor expansion of x in y
8.938 * [taylor]: Taking taylor expansion of (/ z y) in y
8.938 * [taylor]: Taking taylor expansion of z in y
8.938 * [taylor]: Taking taylor expansion of y in y
8.938 * [taylor]: Taking taylor expansion of (- (/ z x) (/ z y)) in z
8.938 * [taylor]: Taking taylor expansion of (/ z x) in z
8.938 * [taylor]: Taking taylor expansion of z in z
8.938 * [taylor]: Taking taylor expansion of x in z
8.938 * [taylor]: Taking taylor expansion of (/ z y) in z
8.938 * [taylor]: Taking taylor expansion of z in z
8.938 * [taylor]: Taking taylor expansion of y in z
8.938 * [taylor]: Taking taylor expansion of (- (/ z x) (/ z y)) in x
8.938 * [taylor]: Taking taylor expansion of (/ z x) in x
8.938 * [taylor]: Taking taylor expansion of z in x
8.938 * [taylor]: Taking taylor expansion of x in x
8.938 * [taylor]: Taking taylor expansion of (/ z y) in x
8.938 * [taylor]: Taking taylor expansion of z in x
8.938 * [taylor]: Taking taylor expansion of y in x
8.938 * [taylor]: Taking taylor expansion of (- (/ z x) (/ z y)) in x
8.938 * [taylor]: Taking taylor expansion of (/ z x) in x
8.938 * [taylor]: Taking taylor expansion of z in x
8.938 * [taylor]: Taking taylor expansion of x in x
8.938 * [taylor]: Taking taylor expansion of (/ z y) in x
8.938 * [taylor]: Taking taylor expansion of z in x
8.938 * [taylor]: Taking taylor expansion of y in x
8.938 * [taylor]: Taking taylor expansion of z in z
8.938 * [taylor]: Taking taylor expansion of 1 in y
8.939 * [taylor]: Taking taylor expansion of (- (/ z y)) in z
8.939 * [taylor]: Taking taylor expansion of (/ z y) in z
8.939 * [taylor]: Taking taylor expansion of z in z
8.939 * [taylor]: Taking taylor expansion of y in z
8.939 * [taylor]: Taking taylor expansion of (- (/ 1 y)) in y
8.939 * [taylor]: Taking taylor expansion of (/ 1 y) in y
8.939 * [taylor]: Taking taylor expansion of y in y
8.940 * [taylor]: Taking taylor expansion of 0 in y
8.941 * [taylor]: Taking taylor expansion of 0 in z
8.941 * [taylor]: Taking taylor expansion of 0 in y
8.942 * [taylor]: Taking taylor expansion of 0 in y
8.942 * [taylor]: Taking taylor expansion of 0 in y
8.944 * [taylor]: Taking taylor expansion of 0 in z
8.944 * [taylor]: Taking taylor expansion of 0 in y
8.944 * [taylor]: Taking taylor expansion of 0 in y
8.944 * [taylor]: Taking taylor expansion of 0 in y
8.944 * [taylor]: Taking taylor expansion of 0 in y
8.945 * * * [progress]: simplifying candidates
8.945 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (/ (exp (/ x z)) (exp (/ y z)))
  (log (- (/ x z) (/ y z)))
  (exp (- (/ x z) (/ y z)))
  (* (cbrt (- (/ x z) (/ y z))) (cbrt (- (/ x z) (/ y z))))
  (cbrt (- (/ x z) (/ y z)))
  (* (* (- (/ x z) (/ y z)) (- (/ x z) (/ y z))) (- (/ x z) (/ y z)))
  (sqrt (- (/ x z) (/ y z)))
  (sqrt (- (/ x z) (/ y z)))
  (- x y)
  (- (* x z) (* z y))
  (* z z)
  (- (pow (/ x z) 3) (pow (/ y z) 3))
  (+ (* (/ x z) (/ x z)) (+ (* (/ y z) (/ y z)) (* (/ x z) (/ y z))))
  (- (/ y z))
  (- (* (/ x z) (/ x z)) (* (/ y z) (/ y z)))
  (+ (/ x z) (/ y z))
  (+ (sqrt (/ x z)) (sqrt (/ y z)))
  (- (sqrt (/ x z)) (sqrt (/ y z)))
  (+ (sqrt (/ x z)) (/ (sqrt y) (sqrt z)))
  (- (sqrt (/ x z)) (/ (sqrt y) (sqrt z)))
  (+ (/ (sqrt x) (sqrt z)) (sqrt (/ y z)))
  (- (/ (sqrt x) (sqrt z)) (sqrt (/ y z)))
  (+ (/ (sqrt x) (sqrt z)) (/ (sqrt y) (sqrt z)))
  (- (/ (sqrt x) (sqrt z)) (/ (sqrt y) (sqrt z)))
  (- (/ x (cbrt z)) (/ y (cbrt z)))
  (- (/ x (sqrt z)) (/ y (sqrt z)))
  (- (/ x z) (/ y z))
  (- (/ x z) (/ y z))
  (- x y)
  (- (/ y z))
  (- (/ x z) (/ y z))
  (- (/ x z) (/ y z))
  (- (/ x z) (/ y z))
8.947 * * [simplify]: iteration  0 :  55  enodes  (cost  302 )
8.957 * * [simplify]: iteration  1 :  118  enodes  (cost  297 )
8.973 * * [simplify]: iteration  2 :  241  enodes  (cost  281 )
9.012 * * [simplify]: iteration  3 :  535  enodes  (cost  281 )
9.116 * * [simplify]: iteration  4 :  1387  enodes  (cost  279 )
9.484 * * [simplify]: iteration  5 :  4316  enodes  (cost  279 )
10.534 * * [simplify]: iteration  done :  5000  enodes  (cost  279 )
10.534 * [simplify]: Simplified to:
   (exp (- (/ x z) (/ y z)))
  (log (- (/ x z) (/ y z)))
  (exp (- (/ x z) (/ y z)))
  (* (cbrt (- (/ x z) (/ y z))) (cbrt (- (/ x z) (/ y z))))
  (cbrt (- (/ x z) (/ y z)))
  (pow (- (/ x z) (/ y z)) 3)
  (sqrt (- (/ x z) (/ y z)))
  (sqrt (- (/ x z) (/ y z)))
  (- x y)
  (* z (- x y))
  (* z z)
  (- (pow (/ x z) 3) (pow (/ y z) 3))
  (+ (* (/ x z) (/ x z)) (/ (* (/ y z) (+ x y)) z))
  (- (/ y z))
  (- (* (/ x z) (/ x z)) (* (/ y z) (/ y z)))
  (+ (/ x z) (/ y z))
  (+ (sqrt (/ x z)) (sqrt (/ y z)))
  (- (sqrt (/ x z)) (sqrt (/ y z)))
  (+ (sqrt (/ x z)) (/ (sqrt y) (sqrt z)))
  (- (sqrt (/ x z)) (/ (sqrt y) (sqrt z)))
  (+ (/ (sqrt x) (sqrt z)) (sqrt (/ y z)))
  (- (/ (sqrt x) (sqrt z)) (sqrt (/ y z)))
  (+ (/ (sqrt x) (sqrt z)) (/ (sqrt y) (sqrt z)))
  (- (/ (sqrt x) (sqrt z)) (/ (sqrt y) (sqrt z)))
  (- (/ x (cbrt z)) (/ y (cbrt z)))
  (- (/ x (sqrt z)) (/ y (sqrt z)))
  (- (/ x z) (/ y z))
  (- (/ x z) (/ y z))
  (- x y)
  (- (/ y z))
  (- (/ x z) (/ y z))
  (- (/ x z) (/ y z))
  (- (/ x z) (/ y z))
10.534 * * * [progress]: adding candidates to table
10.590 * [progress]: [Phase 3 of 3] Extracting.
10.590 * * [regime]: Finding splitpoints for: (#<alt (λ (x y z) (* (- (/ (- x y) z) 0.5) 4.0))> #<alt (λ (x y z) (* (- (- (/ x z) (/ y z)) 0.5) 4.0))>)
10.590 * * * [regime-changes]: Trying 4 branch expressions: ((- x y) z y x)
10.590 * * * * [regimes]: Trying to branch on (- x y) from (#<alt (λ (x y z) (* (- (/ (- x y) z) 0.5) 4.0))> #<alt (λ (x y z) (* (- (- (/ x z) (/ y z)) 0.5) 4.0))>)
10.603 * * * * [regimes]: Trying to branch on z from (#<alt (λ (x y z) (* (- (/ (- x y) z) 0.5) 4.0))> #<alt (λ (x y z) (* (- (- (/ x z) (/ y z)) 0.5) 4.0))>)
10.618 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y z) (* (- (/ (- x y) z) 0.5) 4.0))> #<alt (λ (x y z) (* (- (- (/ x z) (/ y z)) 0.5) 4.0))>)
10.630 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y z) (* (- (/ (- x y) z) 0.5) 4.0))> #<alt (λ (x y z) (* (- (- (/ x z) (/ y z)) 0.5) 4.0))>)
10.642 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
10.642 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (* (- (/ (- x y) z) 0.5) 4.0)
10.643 * * [simplify]: iteration  0 :  9  enodes  (cost  9 )
10.643 * * [simplify]: iteration  1 :  10  enodes  (cost  9 )
10.643 * * [simplify]: iteration  done :  10  enodes  (cost  9 )
10.643 * [simplify]: Simplified to:
   (* (- (/ (- x y) z) 0.5) 4.0)
11.310 * [regime-testing]: Baseline error score: 0.006625828228528566
11.311 * [regime-testing]: Oracle error score: 0.0026253281660207524
11.312 * [regime-testing]: End program error score: 0.006625828228528566
11.333 * [regime-testing]: Target error score: 0.006875859482435304