0.126 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.015 * * * [progress]: [2/2] Setting up program.
0.016 * [progress]: [Phase 2 of 3] Improving.
0.017 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (/ (* x (- y z)) y)
0.018 * * [simplify]: iteration  0 :  6  enodes  (cost  7 )
0.018 * * [simplify]: iteration  1 :  11  enodes  (cost  7 )
0.020 * * [simplify]: iteration  2 :  22  enodes  (cost  7 )
0.022 * * [simplify]: iteration  3 :  41  enodes  (cost  7 )
0.027 * * [simplify]: iteration  4 :  59  enodes  (cost  7 )
0.038 * * [simplify]: iteration  5 :  80  enodes  (cost  7 )
0.049 * * [simplify]: iteration  6 :  90  enodes  (cost  7 )
0.058 * * [simplify]: iteration  done :  90  enodes  (cost  7 )
0.058 * [simplify]: Simplified to:
   (/ (* x (- y z)) y)
0.058 * * [progress]: iteration 1 / 4
0.058 * * * [progress]: picking best candidate
0.059 * * * * [pick]: Picked  #<alt (λ (x y z) (/ (* x (- y z)) y))>
0.059 * * * [progress]: localizing error
0.064 * * * [progress]: generating rewritten candidates
0.064 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
0.071 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1)
0.082 * * * [progress]: generating series expansions
0.082 * * * * [progress]: [ 1 / 2 ] generating series at (2)
0.082 * [approximate]: Taking taylor expansion of (/ (* (- y z) x) y) in (x y z) around 0
0.082 * [taylor]: Taking taylor expansion of (/ (* (- y z) x) y) in z
0.082 * [taylor]: Taking taylor expansion of (* (- y z) x) in z
0.082 * [taylor]: Taking taylor expansion of (- y z) in z
0.082 * [taylor]: Taking taylor expansion of y in z
0.082 * [taylor]: Taking taylor expansion of z in z
0.082 * [taylor]: Taking taylor expansion of x in z
0.082 * [taylor]: Taking taylor expansion of y in z
0.083 * [taylor]: Taking taylor expansion of (/ (* (- y z) x) y) in y
0.083 * [taylor]: Taking taylor expansion of (* (- y z) x) in y
0.083 * [taylor]: Taking taylor expansion of (- y z) in y
0.083 * [taylor]: Taking taylor expansion of y in y
0.083 * [taylor]: Taking taylor expansion of z in y
0.083 * [taylor]: Taking taylor expansion of x in y
0.083 * [taylor]: Taking taylor expansion of y in y
0.083 * [taylor]: Taking taylor expansion of (/ (* (- y z) x) y) in x
0.083 * [taylor]: Taking taylor expansion of (* (- y z) x) in x
0.083 * [taylor]: Taking taylor expansion of (- y z) in x
0.083 * [taylor]: Taking taylor expansion of y in x
0.083 * [taylor]: Taking taylor expansion of z in x
0.083 * [taylor]: Taking taylor expansion of x in x
0.083 * [taylor]: Taking taylor expansion of y in x
0.084 * [taylor]: Taking taylor expansion of (/ (* (- y z) x) y) in x
0.084 * [taylor]: Taking taylor expansion of (* (- y z) x) in x
0.084 * [taylor]: Taking taylor expansion of (- y z) in x
0.084 * [taylor]: Taking taylor expansion of y in x
0.084 * [taylor]: Taking taylor expansion of z in x
0.084 * [taylor]: Taking taylor expansion of x in x
0.084 * [taylor]: Taking taylor expansion of y in x
0.085 * [taylor]: Taking taylor expansion of (/ (- y z) y) in y
0.085 * [taylor]: Taking taylor expansion of (- y z) in y
0.085 * [taylor]: Taking taylor expansion of y in y
0.085 * [taylor]: Taking taylor expansion of z in y
0.085 * [taylor]: Taking taylor expansion of y in y
0.085 * [taylor]: Taking taylor expansion of (* -1 z) in z
0.085 * [taylor]: Taking taylor expansion of -1 in z
0.085 * [taylor]: Taking taylor expansion of z in z
0.086 * [taylor]: Taking taylor expansion of 0 in y
0.087 * [taylor]: Taking taylor expansion of 1 in z
0.089 * [taylor]: Taking taylor expansion of 0 in y
0.089 * [taylor]: Taking taylor expansion of 0 in z
0.090 * [taylor]: Taking taylor expansion of 0 in z
0.092 * [taylor]: Taking taylor expansion of 0 in y
0.092 * [taylor]: Taking taylor expansion of 0 in z
0.092 * [taylor]: Taking taylor expansion of 0 in z
0.093 * [approximate]: Taking taylor expansion of (/ (* (- (/ 1 y) (/ 1 z)) y) x) in (x y z) around 0
0.093 * [taylor]: Taking taylor expansion of (/ (* (- (/ 1 y) (/ 1 z)) y) x) in z
0.093 * [taylor]: Taking taylor expansion of (* (- (/ 1 y) (/ 1 z)) y) in z
0.093 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 z)) in z
0.093 * [taylor]: Taking taylor expansion of (/ 1 y) in z
0.093 * [taylor]: Taking taylor expansion of y in z
0.093 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.093 * [taylor]: Taking taylor expansion of z in z
0.093 * [taylor]: Taking taylor expansion of y in z
0.093 * [taylor]: Taking taylor expansion of x in z
0.094 * [taylor]: Taking taylor expansion of (/ (* (- (/ 1 y) (/ 1 z)) y) x) in y
0.094 * [taylor]: Taking taylor expansion of (* (- (/ 1 y) (/ 1 z)) y) in y
0.094 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 z)) in y
0.094 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.094 * [taylor]: Taking taylor expansion of y in y
0.094 * [taylor]: Taking taylor expansion of (/ 1 z) in y
0.094 * [taylor]: Taking taylor expansion of z in y
0.094 * [taylor]: Taking taylor expansion of y in y
0.094 * [taylor]: Taking taylor expansion of x in y
0.095 * [taylor]: Taking taylor expansion of (/ (* (- (/ 1 y) (/ 1 z)) y) x) in x
0.095 * [taylor]: Taking taylor expansion of (* (- (/ 1 y) (/ 1 z)) y) in x
0.095 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 z)) in x
0.095 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.095 * [taylor]: Taking taylor expansion of y in x
0.095 * [taylor]: Taking taylor expansion of (/ 1 z) in x
0.095 * [taylor]: Taking taylor expansion of z in x
0.095 * [taylor]: Taking taylor expansion of y in x
0.095 * [taylor]: Taking taylor expansion of x in x
0.096 * [taylor]: Taking taylor expansion of (/ (* (- (/ 1 y) (/ 1 z)) y) x) in x
0.096 * [taylor]: Taking taylor expansion of (* (- (/ 1 y) (/ 1 z)) y) in x
0.096 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 z)) in x
0.096 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.096 * [taylor]: Taking taylor expansion of y in x
0.096 * [taylor]: Taking taylor expansion of (/ 1 z) in x
0.096 * [taylor]: Taking taylor expansion of z in x
0.096 * [taylor]: Taking taylor expansion of y in x
0.096 * [taylor]: Taking taylor expansion of x in x
0.096 * [taylor]: Taking taylor expansion of (* (- (/ 1 y) (/ 1 z)) y) in y
0.096 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 z)) in y
0.096 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.096 * [taylor]: Taking taylor expansion of y in y
0.096 * [taylor]: Taking taylor expansion of (/ 1 z) in y
0.096 * [taylor]: Taking taylor expansion of z in y
0.096 * [taylor]: Taking taylor expansion of y in y
0.098 * [taylor]: Taking taylor expansion of 1 in z
0.101 * [taylor]: Taking taylor expansion of 0 in y
0.102 * [taylor]: Taking taylor expansion of 0 in z
0.103 * [taylor]: Taking taylor expansion of (- (/ 1 z)) in z
0.103 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.103 * [taylor]: Taking taylor expansion of z in z
0.105 * [taylor]: Taking taylor expansion of 0 in y
0.105 * [taylor]: Taking taylor expansion of 0 in z
0.106 * [taylor]: Taking taylor expansion of 0 in z
0.107 * [taylor]: Taking taylor expansion of 0 in z
0.110 * [taylor]: Taking taylor expansion of 0 in y
0.110 * [taylor]: Taking taylor expansion of 0 in z
0.110 * [taylor]: Taking taylor expansion of 0 in z
0.110 * [taylor]: Taking taylor expansion of 0 in z
0.112 * [taylor]: Taking taylor expansion of 0 in z
0.113 * [approximate]: Taking taylor expansion of (/ (* (- (/ 1 z) (/ 1 y)) y) x) in (x y z) around 0
0.113 * [taylor]: Taking taylor expansion of (/ (* (- (/ 1 z) (/ 1 y)) y) x) in z
0.113 * [taylor]: Taking taylor expansion of (* (- (/ 1 z) (/ 1 y)) y) in z
0.113 * [taylor]: Taking taylor expansion of (- (/ 1 z) (/ 1 y)) in z
0.113 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.113 * [taylor]: Taking taylor expansion of z in z
0.113 * [taylor]: Taking taylor expansion of (/ 1 y) in z
0.113 * [taylor]: Taking taylor expansion of y in z
0.113 * [taylor]: Taking taylor expansion of y in z
0.113 * [taylor]: Taking taylor expansion of x in z
0.113 * [taylor]: Taking taylor expansion of (/ (* (- (/ 1 z) (/ 1 y)) y) x) in y
0.113 * [taylor]: Taking taylor expansion of (* (- (/ 1 z) (/ 1 y)) y) in y
0.113 * [taylor]: Taking taylor expansion of (- (/ 1 z) (/ 1 y)) in y
0.113 * [taylor]: Taking taylor expansion of (/ 1 z) in y
0.113 * [taylor]: Taking taylor expansion of z in y
0.113 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.114 * [taylor]: Taking taylor expansion of y in y
0.114 * [taylor]: Taking taylor expansion of y in y
0.114 * [taylor]: Taking taylor expansion of x in y
0.116 * [taylor]: Taking taylor expansion of (/ (* (- (/ 1 z) (/ 1 y)) y) x) in x
0.116 * [taylor]: Taking taylor expansion of (* (- (/ 1 z) (/ 1 y)) y) in x
0.116 * [taylor]: Taking taylor expansion of (- (/ 1 z) (/ 1 y)) in x
0.116 * [taylor]: Taking taylor expansion of (/ 1 z) in x
0.116 * [taylor]: Taking taylor expansion of z in x
0.116 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.116 * [taylor]: Taking taylor expansion of y in x
0.116 * [taylor]: Taking taylor expansion of y in x
0.116 * [taylor]: Taking taylor expansion of x in x
0.116 * [taylor]: Taking taylor expansion of (/ (* (- (/ 1 z) (/ 1 y)) y) x) in x
0.116 * [taylor]: Taking taylor expansion of (* (- (/ 1 z) (/ 1 y)) y) in x
0.116 * [taylor]: Taking taylor expansion of (- (/ 1 z) (/ 1 y)) in x
0.116 * [taylor]: Taking taylor expansion of (/ 1 z) in x
0.116 * [taylor]: Taking taylor expansion of z in x
0.116 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.116 * [taylor]: Taking taylor expansion of y in x
0.116 * [taylor]: Taking taylor expansion of y in x
0.116 * [taylor]: Taking taylor expansion of x in x
0.117 * [taylor]: Taking taylor expansion of (* y (- (/ 1 z) (/ 1 y))) in y
0.117 * [taylor]: Taking taylor expansion of y in y
0.117 * [taylor]: Taking taylor expansion of (- (/ 1 z) (/ 1 y)) in y
0.117 * [taylor]: Taking taylor expansion of (/ 1 z) in y
0.117 * [taylor]: Taking taylor expansion of z in y
0.117 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.117 * [taylor]: Taking taylor expansion of y in y
0.119 * [taylor]: Taking taylor expansion of (- 1) in z
0.119 * [taylor]: Taking taylor expansion of 1 in z
0.120 * [taylor]: Taking taylor expansion of 0 in y
0.120 * [taylor]: Taking taylor expansion of 0 in z
0.122 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.122 * [taylor]: Taking taylor expansion of z in z
0.124 * [taylor]: Taking taylor expansion of 0 in y
0.124 * [taylor]: Taking taylor expansion of 0 in z
0.124 * [taylor]: Taking taylor expansion of 0 in z
0.126 * [taylor]: Taking taylor expansion of 0 in z
0.130 * [taylor]: Taking taylor expansion of 0 in y
0.130 * [taylor]: Taking taylor expansion of 0 in z
0.130 * [taylor]: Taking taylor expansion of 0 in z
0.130 * [taylor]: Taking taylor expansion of 0 in z
0.132 * [taylor]: Taking taylor expansion of 0 in z
0.132 * * * * [progress]: [ 2 / 2 ] generating series at (2 1)
0.132 * [approximate]: Taking taylor expansion of (* (- y z) x) in (x y z) around 0
0.132 * [taylor]: Taking taylor expansion of (* (- y z) x) in z
0.132 * [taylor]: Taking taylor expansion of (- y z) in z
0.132 * [taylor]: Taking taylor expansion of y in z
0.132 * [taylor]: Taking taylor expansion of z in z
0.132 * [taylor]: Taking taylor expansion of x in z
0.132 * [taylor]: Taking taylor expansion of (* (- y z) x) in y
0.132 * [taylor]: Taking taylor expansion of (- y z) in y
0.132 * [taylor]: Taking taylor expansion of y in y
0.132 * [taylor]: Taking taylor expansion of z in y
0.132 * [taylor]: Taking taylor expansion of x in y
0.132 * [taylor]: Taking taylor expansion of (* (- y z) x) in x
0.132 * [taylor]: Taking taylor expansion of (- y z) in x
0.133 * [taylor]: Taking taylor expansion of y in x
0.133 * [taylor]: Taking taylor expansion of z in x
0.133 * [taylor]: Taking taylor expansion of x in x
0.133 * [taylor]: Taking taylor expansion of (* (- y z) x) in x
0.133 * [taylor]: Taking taylor expansion of (- y z) in x
0.133 * [taylor]: Taking taylor expansion of y in x
0.133 * [taylor]: Taking taylor expansion of z in x
0.133 * [taylor]: Taking taylor expansion of x in x
0.133 * [taylor]: Taking taylor expansion of 0 in y
0.133 * [taylor]: Taking taylor expansion of 0 in z
0.134 * [taylor]: Taking taylor expansion of (- y z) in y
0.134 * [taylor]: Taking taylor expansion of y in y
0.134 * [taylor]: Taking taylor expansion of z in y
0.134 * [taylor]: Taking taylor expansion of (- z) in z
0.134 * [taylor]: Taking taylor expansion of z in z
0.134 * [taylor]: Taking taylor expansion of 0 in z
0.135 * [taylor]: Taking taylor expansion of 0 in y
0.135 * [taylor]: Taking taylor expansion of 0 in z
0.135 * [taylor]: Taking taylor expansion of 1 in z
0.135 * [taylor]: Taking taylor expansion of 0 in z
0.137 * [taylor]: Taking taylor expansion of 0 in y
0.137 * [taylor]: Taking taylor expansion of 0 in z
0.137 * [taylor]: Taking taylor expansion of 0 in z
0.137 * [taylor]: Taking taylor expansion of 0 in z
0.137 * [taylor]: Taking taylor expansion of 0 in z
0.138 * [approximate]: Taking taylor expansion of (/ (- (/ 1 y) (/ 1 z)) x) in (x y z) around 0
0.138 * [taylor]: Taking taylor expansion of (/ (- (/ 1 y) (/ 1 z)) x) in z
0.138 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 z)) in z
0.138 * [taylor]: Taking taylor expansion of (/ 1 y) in z
0.138 * [taylor]: Taking taylor expansion of y in z
0.138 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.138 * [taylor]: Taking taylor expansion of z in z
0.138 * [taylor]: Taking taylor expansion of x in z
0.139 * [taylor]: Taking taylor expansion of (/ (- (/ 1 y) (/ 1 z)) x) in y
0.139 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 z)) in y
0.139 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.139 * [taylor]: Taking taylor expansion of y in y
0.139 * [taylor]: Taking taylor expansion of (/ 1 z) in y
0.139 * [taylor]: Taking taylor expansion of z in y
0.139 * [taylor]: Taking taylor expansion of x in y
0.139 * [taylor]: Taking taylor expansion of (/ (- (/ 1 y) (/ 1 z)) x) in x
0.139 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 z)) in x
0.139 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.139 * [taylor]: Taking taylor expansion of y in x
0.139 * [taylor]: Taking taylor expansion of (/ 1 z) in x
0.139 * [taylor]: Taking taylor expansion of z in x
0.139 * [taylor]: Taking taylor expansion of x in x
0.140 * [taylor]: Taking taylor expansion of (/ (- (/ 1 y) (/ 1 z)) x) in x
0.140 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 z)) in x
0.140 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.140 * [taylor]: Taking taylor expansion of y in x
0.140 * [taylor]: Taking taylor expansion of (/ 1 z) in x
0.140 * [taylor]: Taking taylor expansion of z in x
0.140 * [taylor]: Taking taylor expansion of x in x
0.140 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 z)) in y
0.140 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.140 * [taylor]: Taking taylor expansion of y in y
0.140 * [taylor]: Taking taylor expansion of (/ 1 z) in y
0.140 * [taylor]: Taking taylor expansion of z in y
0.141 * [taylor]: Taking taylor expansion of 1 in z
0.142 * [taylor]: Taking taylor expansion of 0 in y
0.142 * [taylor]: Taking taylor expansion of (- (/ 1 z)) in z
0.142 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.142 * [taylor]: Taking taylor expansion of z in z
0.144 * [taylor]: Taking taylor expansion of 0 in y
0.144 * [taylor]: Taking taylor expansion of 0 in z
0.145 * [taylor]: Taking taylor expansion of 0 in z
0.148 * [taylor]: Taking taylor expansion of 0 in y
0.148 * [taylor]: Taking taylor expansion of 0 in z
0.148 * [taylor]: Taking taylor expansion of 0 in z
0.149 * [taylor]: Taking taylor expansion of 0 in z
0.150 * [approximate]: Taking taylor expansion of (* -1 (/ (- (/ 1 z) (/ 1 y)) x)) in (x y z) around 0
0.150 * [taylor]: Taking taylor expansion of (* -1 (/ (- (/ 1 z) (/ 1 y)) x)) in z
0.150 * [taylor]: Taking taylor expansion of -1 in z
0.150 * [taylor]: Taking taylor expansion of (/ (- (/ 1 z) (/ 1 y)) x) in z
0.150 * [taylor]: Taking taylor expansion of (- (/ 1 z) (/ 1 y)) in z
0.150 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.150 * [taylor]: Taking taylor expansion of z in z
0.151 * [taylor]: Taking taylor expansion of (/ 1 y) in z
0.151 * [taylor]: Taking taylor expansion of y in z
0.151 * [taylor]: Taking taylor expansion of x in z
0.151 * [taylor]: Taking taylor expansion of (* -1 (/ (- (/ 1 z) (/ 1 y)) x)) in y
0.151 * [taylor]: Taking taylor expansion of -1 in y
0.151 * [taylor]: Taking taylor expansion of (/ (- (/ 1 z) (/ 1 y)) x) in y
0.151 * [taylor]: Taking taylor expansion of (- (/ 1 z) (/ 1 y)) in y
0.151 * [taylor]: Taking taylor expansion of (/ 1 z) in y
0.151 * [taylor]: Taking taylor expansion of z in y
0.151 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.151 * [taylor]: Taking taylor expansion of y in y
0.151 * [taylor]: Taking taylor expansion of x in y
0.152 * [taylor]: Taking taylor expansion of (* -1 (/ (- (/ 1 z) (/ 1 y)) x)) in x
0.152 * [taylor]: Taking taylor expansion of -1 in x
0.152 * [taylor]: Taking taylor expansion of (/ (- (/ 1 z) (/ 1 y)) x) in x
0.152 * [taylor]: Taking taylor expansion of (- (/ 1 z) (/ 1 y)) in x
0.152 * [taylor]: Taking taylor expansion of (/ 1 z) in x
0.152 * [taylor]: Taking taylor expansion of z in x
0.152 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.152 * [taylor]: Taking taylor expansion of y in x
0.152 * [taylor]: Taking taylor expansion of x in x
0.152 * [taylor]: Taking taylor expansion of (* -1 (/ (- (/ 1 z) (/ 1 y)) x)) in x
0.152 * [taylor]: Taking taylor expansion of -1 in x
0.152 * [taylor]: Taking taylor expansion of (/ (- (/ 1 z) (/ 1 y)) x) in x
0.152 * [taylor]: Taking taylor expansion of (- (/ 1 z) (/ 1 y)) in x
0.152 * [taylor]: Taking taylor expansion of (/ 1 z) in x
0.152 * [taylor]: Taking taylor expansion of z in x
0.152 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.152 * [taylor]: Taking taylor expansion of y in x
0.152 * [taylor]: Taking taylor expansion of x in x
0.153 * [taylor]: Taking taylor expansion of (* -1 (- (/ 1 z) (/ 1 y))) in y
0.153 * [taylor]: Taking taylor expansion of -1 in y
0.153 * [taylor]: Taking taylor expansion of (- (/ 1 z) (/ 1 y)) in y
0.153 * [taylor]: Taking taylor expansion of (/ 1 z) in y
0.153 * [taylor]: Taking taylor expansion of z in y
0.153 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.153 * [taylor]: Taking taylor expansion of y in y
0.154 * [taylor]: Taking taylor expansion of 1 in z
0.155 * [taylor]: Taking taylor expansion of 0 in y
0.156 * [taylor]: Taking taylor expansion of (- (/ 1 z)) in z
0.156 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.156 * [taylor]: Taking taylor expansion of z in z
0.159 * [taylor]: Taking taylor expansion of 0 in y
0.159 * [taylor]: Taking taylor expansion of 0 in z
0.160 * [taylor]: Taking taylor expansion of 0 in z
0.164 * [taylor]: Taking taylor expansion of 0 in y
0.164 * [taylor]: Taking taylor expansion of 0 in z
0.164 * [taylor]: Taking taylor expansion of 0 in z
0.166 * [taylor]: Taking taylor expansion of 0 in z
0.167 * * * [progress]: simplifying candidates
0.168 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (- (+ (log x) (log (- y z))) (log y))
  (- (log (* x (- y z))) (log y))
  (log (/ (* x (- y z)) y))
  (exp (/ (* x (- y z)) y))
  (/ (* (* (* x x) x) (* (* (- y z) (- y z)) (- y z))) (* (* y y) y))
  (/ (* (* (* x (- y z)) (* x (- y z))) (* x (- y z))) (* (* y y) y))
  (* (cbrt (/ (* x (- y z)) y)) (cbrt (/ (* x (- y z)) y)))
  (cbrt (/ (* x (- y z)) y))
  (* (* (/ (* x (- y z)) y) (/ (* x (- y z)) y)) (/ (* x (- y z)) y))
  (sqrt (/ (* x (- y z)) y))
  (sqrt (/ (* x (- y z)) y))
  (- (* x (- y z)))
  (- y)
  (/ x (* (cbrt y) (cbrt y)))
  (/ (- y z) (cbrt y))
  (/ x (sqrt y))
  (/ (- y z) (sqrt y))
  (/ x 1)
  (/ (- y z) y)
  (/ 1 y)
  (/ y (* x (- y z)))
  (/ (* x (- y z)) (* (cbrt y) (cbrt y)))
  (/ (* x (- y z)) (sqrt y))
  (/ (* x (- y z)) 1)
  (/ y (- y z))
  (* y (+ (* y y) (+ (* z z) (* y z))))
  (* y (+ y z))
  (* x (- y z))
  (+ (log x) (log (- y z)))
  (log (* x (- y z)))
  (exp (* x (- y z)))
  (* (* (* x x) x) (* (* (- y z) (- y z)) (- y 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)))
  (* (sqrt x) (sqrt (- y z)))
  (* (sqrt x) (sqrt (- y z)))
  (* x y)
  (* x (- z))
  (* x y)
  (* x (- z))
  (* y x)
  (* (- z) x)
  (* y x)
  (* (- z) x)
  (* x (* (cbrt (- y z)) (cbrt (- y z))))
  (* x (sqrt (- y z)))
  (* x 1)
  (* x (+ (sqrt y) (sqrt z)))
  (* x 1)
  (* (cbrt x) (- y z))
  (* (sqrt x) (- y z))
  (* x (- y z))
  (* x (- (pow y 3) (pow z 3)))
  (* x (- (* y y) (* z z)))
  (- x (/ (* x z) y))
  (- x (/ (* x z) y))
  (- x (/ (* x z) y))
  (- (* x y) (* x z))
  (- (* x y) (* x z))
  (- (* x y) (* x z))
0.170 * * [simplify]: iteration  0 :  90  enodes  (cost  481 )
0.186 * * [simplify]: iteration  1 :  224  enodes  (cost  457 )
0.226 * * [simplify]: iteration  2 :  747  enodes  (cost  399 )