13.808 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.025 * * * [progress]: [2/2] Setting up program.
0.028 * [progress]: [Phase 2 of 3] Improving.
0.028 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (+ 1.0 (/ (* 4.0 (- (+ x (* y 0.75)) z)) y))
0.029 * * [simplify]: iteration  0 :  12  enodes  (cost  13 )
0.031 * * [simplify]: iteration  1 :  22  enodes  (cost  13 )
0.033 * * [simplify]: iteration  2 :  45  enodes  (cost  13 )
0.040 * * [simplify]: iteration  3 :  97  enodes  (cost  13 )
0.057 * * [simplify]: iteration  4 :  186  enodes  (cost  13 )
0.093 * * [simplify]: iteration  5 :  302  enodes  (cost  13 )
0.162 * * [simplify]: iteration  6 :  457  enodes  (cost  13 )
0.300 * * [simplify]: iteration  7 :  676  enodes  (cost  11 )
0.556 * * [simplify]: iteration  8 :  1190  enodes  (cost  11 )
2.524 * * [simplify]: iteration  9 :  3238  enodes  (cost  11 )
4.001 * * [simplify]: iteration  done :  5001  enodes  (cost  11 )
4.002 * [simplify]: Simplified to:
   (+ (* (+ 0.75 (/ (- x z) y)) 4.0) 1.0)
4.005 * * [progress]: iteration 1 / 4
4.005 * * * [progress]: picking best candidate
4.007 * * * * [pick]: Picked  #<alt (λ (x y z) (+ (* (+ 0.75 (/ (- x z) y)) 4.0) 1.0))>
4.007 * * * [progress]: localizing error
4.015 * * * [progress]: generating rewritten candidates
4.015 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1 1 2)
4.025 * * * [progress]: generating series expansions
4.025 * * * * [progress]: [ 1 / 1 ] generating series at (2 1 1 2)
4.025 * [approximate]: Taking taylor expansion of (/ (- x z) y) in (x z y) around 0
4.025 * [taylor]: Taking taylor expansion of (/ (- x z) y) in y
4.025 * [taylor]: Taking taylor expansion of (- x z) in y
4.025 * [taylor]: Taking taylor expansion of x in y
4.025 * [taylor]: Taking taylor expansion of z in y
4.025 * [taylor]: Taking taylor expansion of y in y
4.025 * [taylor]: Taking taylor expansion of (/ (- x z) y) in z
4.025 * [taylor]: Taking taylor expansion of (- x z) in z
4.025 * [taylor]: Taking taylor expansion of x in z
4.025 * [taylor]: Taking taylor expansion of z in z
4.025 * [taylor]: Taking taylor expansion of y in z
4.026 * [taylor]: Taking taylor expansion of (/ (- x z) y) in x
4.026 * [taylor]: Taking taylor expansion of (- x z) in x
4.026 * [taylor]: Taking taylor expansion of x in x
4.026 * [taylor]: Taking taylor expansion of z in x
4.026 * [taylor]: Taking taylor expansion of y in x
4.026 * [taylor]: Taking taylor expansion of (/ (- x z) y) in x
4.026 * [taylor]: Taking taylor expansion of (- x z) in x
4.026 * [taylor]: Taking taylor expansion of x in x
4.026 * [taylor]: Taking taylor expansion of z in x
4.026 * [taylor]: Taking taylor expansion of y in x
4.026 * [taylor]: Taking taylor expansion of (* -1 (/ z y)) in z
4.026 * [taylor]: Taking taylor expansion of -1 in z
4.026 * [taylor]: Taking taylor expansion of (/ z y) in z
4.026 * [taylor]: Taking taylor expansion of z in z
4.026 * [taylor]: Taking taylor expansion of y in z
4.027 * [taylor]: Taking taylor expansion of (/ 1 y) in z
4.027 * [taylor]: Taking taylor expansion of y in z
4.027 * [taylor]: Taking taylor expansion of (/ 1 y) in y
4.027 * [taylor]: Taking taylor expansion of y in y
4.028 * [taylor]: Taking taylor expansion of (/ -1 y) in y
4.028 * [taylor]: Taking taylor expansion of -1 in y
4.028 * [taylor]: Taking taylor expansion of y in y
4.029 * [taylor]: Taking taylor expansion of 0 in z
4.029 * [taylor]: Taking taylor expansion of 0 in y
4.029 * [taylor]: Taking taylor expansion of 0 in y
4.029 * [taylor]: Taking taylor expansion of 0 in y
4.031 * [taylor]: Taking taylor expansion of 0 in z
4.031 * [taylor]: Taking taylor expansion of 0 in y
4.031 * [taylor]: Taking taylor expansion of 0 in y
4.032 * [taylor]: Taking taylor expansion of 0 in y
4.037 * [taylor]: Taking taylor expansion of 0 in y
4.038 * [approximate]: Taking taylor expansion of (* y (- (/ 1 x) (/ 1 z))) in (x z y) around 0
4.039 * [taylor]: Taking taylor expansion of (* y (- (/ 1 x) (/ 1 z))) in y
4.039 * [taylor]: Taking taylor expansion of y in y
4.039 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 z)) in y
4.039 * [taylor]: Taking taylor expansion of (/ 1 x) in y
4.039 * [taylor]: Taking taylor expansion of x in y
4.039 * [taylor]: Taking taylor expansion of (/ 1 z) in y
4.039 * [taylor]: Taking taylor expansion of z in y
4.039 * [taylor]: Taking taylor expansion of (* y (- (/ 1 x) (/ 1 z))) in z
4.039 * [taylor]: Taking taylor expansion of y in z
4.039 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 z)) in z
4.039 * [taylor]: Taking taylor expansion of (/ 1 x) in z
4.039 * [taylor]: Taking taylor expansion of x in z
4.039 * [taylor]: Taking taylor expansion of (/ 1 z) in z
4.039 * [taylor]: Taking taylor expansion of z in z
4.039 * [taylor]: Taking taylor expansion of (* y (- (/ 1 x) (/ 1 z))) in x
4.039 * [taylor]: Taking taylor expansion of y in x
4.039 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 z)) in x
4.039 * [taylor]: Taking taylor expansion of (/ 1 x) in x
4.039 * [taylor]: Taking taylor expansion of x in x
4.040 * [taylor]: Taking taylor expansion of (/ 1 z) in x
4.040 * [taylor]: Taking taylor expansion of z in x
4.040 * [taylor]: Taking taylor expansion of (* y (- (/ 1 x) (/ 1 z))) in x
4.040 * [taylor]: Taking taylor expansion of y in x
4.040 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 z)) in x
4.040 * [taylor]: Taking taylor expansion of (/ 1 x) in x
4.040 * [taylor]: Taking taylor expansion of x in x
4.040 * [taylor]: Taking taylor expansion of (/ 1 z) in x
4.040 * [taylor]: Taking taylor expansion of z in x
4.041 * [taylor]: Taking taylor expansion of y in z
4.042 * [taylor]: Taking taylor expansion of (- (/ y z)) in z
4.042 * [taylor]: Taking taylor expansion of (/ y z) in z
4.042 * [taylor]: Taking taylor expansion of y in z
4.042 * [taylor]: Taking taylor expansion of z in z
4.042 * [taylor]: Taking taylor expansion of (- y) in y
4.042 * [taylor]: Taking taylor expansion of y in y
4.043 * [taylor]: Taking taylor expansion of y in y
4.044 * [taylor]: Taking taylor expansion of 0 in z
4.046 * [taylor]: Taking taylor expansion of 0 in y
4.046 * [taylor]: Taking taylor expansion of 0 in y
4.048 * [taylor]: Taking taylor expansion of 0 in z
4.048 * [taylor]: Taking taylor expansion of 0 in y
4.049 * [taylor]: Taking taylor expansion of 0 in y
4.049 * [taylor]: Taking taylor expansion of 0 in y
4.050 * [approximate]: Taking taylor expansion of (* -1 (* y (- (/ 1 z) (/ 1 x)))) in (x z y) around 0
4.050 * [taylor]: Taking taylor expansion of (* -1 (* y (- (/ 1 z) (/ 1 x)))) in y
4.050 * [taylor]: Taking taylor expansion of -1 in y
4.050 * [taylor]: Taking taylor expansion of (* y (- (/ 1 z) (/ 1 x))) in y
4.050 * [taylor]: Taking taylor expansion of y in y
4.050 * [taylor]: Taking taylor expansion of (- (/ 1 z) (/ 1 x)) in y
4.050 * [taylor]: Taking taylor expansion of (/ 1 z) in y
4.050 * [taylor]: Taking taylor expansion of z in y
4.050 * [taylor]: Taking taylor expansion of (/ 1 x) in y
4.050 * [taylor]: Taking taylor expansion of x in y
4.050 * [taylor]: Taking taylor expansion of (* -1 (* y (- (/ 1 z) (/ 1 x)))) in z
4.050 * [taylor]: Taking taylor expansion of -1 in z
4.050 * [taylor]: Taking taylor expansion of (* y (- (/ 1 z) (/ 1 x))) in z
4.050 * [taylor]: Taking taylor expansion of y in z
4.050 * [taylor]: Taking taylor expansion of (- (/ 1 z) (/ 1 x)) in z
4.050 * [taylor]: Taking taylor expansion of (/ 1 z) in z
4.050 * [taylor]: Taking taylor expansion of z in z
4.051 * [taylor]: Taking taylor expansion of (/ 1 x) in z
4.051 * [taylor]: Taking taylor expansion of x in z
4.051 * [taylor]: Taking taylor expansion of (* -1 (* y (- (/ 1 z) (/ 1 x)))) in x
4.051 * [taylor]: Taking taylor expansion of -1 in x
4.051 * [taylor]: Taking taylor expansion of (* y (- (/ 1 z) (/ 1 x))) in x
4.051 * [taylor]: Taking taylor expansion of y in x
4.051 * [taylor]: Taking taylor expansion of (- (/ 1 z) (/ 1 x)) in x
4.051 * [taylor]: Taking taylor expansion of (/ 1 z) in x
4.051 * [taylor]: Taking taylor expansion of z in x
4.051 * [taylor]: Taking taylor expansion of (/ 1 x) in x
4.051 * [taylor]: Taking taylor expansion of x in x
4.051 * [taylor]: Taking taylor expansion of (* -1 (* y (- (/ 1 z) (/ 1 x)))) in x
4.051 * [taylor]: Taking taylor expansion of -1 in x
4.051 * [taylor]: Taking taylor expansion of (* y (- (/ 1 z) (/ 1 x))) in x
4.051 * [taylor]: Taking taylor expansion of y in x
4.051 * [taylor]: Taking taylor expansion of (- (/ 1 z) (/ 1 x)) in x
4.051 * [taylor]: Taking taylor expansion of (/ 1 z) in x
4.051 * [taylor]: Taking taylor expansion of z in x
4.051 * [taylor]: Taking taylor expansion of (/ 1 x) in x
4.051 * [taylor]: Taking taylor expansion of x in x
4.052 * [taylor]: Taking taylor expansion of y in z
4.053 * [taylor]: Taking taylor expansion of (- (/ y z)) in z
4.053 * [taylor]: Taking taylor expansion of (/ y z) in z
4.053 * [taylor]: Taking taylor expansion of y in z
4.053 * [taylor]: Taking taylor expansion of z in z
4.054 * [taylor]: Taking taylor expansion of (- y) in y
4.054 * [taylor]: Taking taylor expansion of y in y
4.054 * [taylor]: Taking taylor expansion of y in y
4.056 * [taylor]: Taking taylor expansion of 0 in z
4.057 * [taylor]: Taking taylor expansion of 0 in y
4.057 * [taylor]: Taking taylor expansion of 0 in y
4.059 * [taylor]: Taking taylor expansion of 0 in z
4.059 * [taylor]: Taking taylor expansion of 0 in y
4.060 * [taylor]: Taking taylor expansion of 0 in y
4.060 * [taylor]: Taking taylor expansion of 0 in y
4.061 * * * [progress]: simplifying candidates
4.062 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (- (log (- x z)) (log y))
  (log (/ (- x z) y))
  (exp (/ (- x z) y))
  (/ (* (* (- x z) (- x z)) (- x z)) (* (* y y) y))
  (* (cbrt (/ (- x z) y)) (cbrt (/ (- x z) y)))
  (cbrt (/ (- x z) y))
  (* (* (/ (- x z) y) (/ (- x z) y)) (/ (- x z) y))
  (sqrt (/ (- x z) y))
  (sqrt (/ (- x z) y))
  (- (- x z))
  (- y)
  (/ x y)
  (/ z y)
  (/ (* (cbrt (- x z)) (cbrt (- x z))) (* (cbrt y) (cbrt y)))
  (/ (cbrt (- x z)) (cbrt y))
  (/ (* (cbrt (- x z)) (cbrt (- x z))) (sqrt y))
  (/ (cbrt (- x z)) (sqrt y))
  (/ (* (cbrt (- x z)) (cbrt (- x z))) 1)
  (/ (cbrt (- x z)) y)
  (/ (sqrt (- x z)) (* (cbrt y) (cbrt y)))
  (/ (sqrt (- x z)) (cbrt y))
  (/ (sqrt (- x z)) (sqrt y))
  (/ (sqrt (- x z)) (sqrt y))
  (/ (sqrt (- x z)) 1)
  (/ (sqrt (- x z)) y)
  (/ 1 (* (cbrt y) (cbrt y)))
  (/ (- x z) (cbrt y))
  (/ 1 (sqrt y))
  (/ (- x z) (sqrt y))
  (/ 1 1)
  (/ (- x z) y)
  (/ (+ (sqrt x) (sqrt z)) (* (cbrt y) (cbrt y)))
  (/ (- (sqrt x) (sqrt z)) (cbrt y))
  (/ (+ (sqrt x) (sqrt z)) (sqrt y))
  (/ (- (sqrt x) (sqrt z)) (sqrt y))
  (/ (+ (sqrt x) (sqrt z)) 1)
  (/ (- (sqrt x) (sqrt z)) y)
  (/ 1 (* (cbrt y) (cbrt y)))
  (/ (- x z) (cbrt y))
  (/ 1 (sqrt y))
  (/ (- x z) (sqrt y))
  (/ 1 1)
  (/ (- x z) y)
  (/ 1 y)
  (/ y (- x z))
  (/ (- x z) (* (cbrt y) (cbrt y)))
  (/ (- x z) (sqrt y))
  (/ (- x z) 1)
  (/ y (cbrt (- x z)))
  (/ y (sqrt (- x z)))
  (/ y (- x z))
  (/ y (- (sqrt x) (sqrt z)))
  (/ y (- x z))
  (* y (+ (* x x) (+ (* z z) (* x z))))
  (* y (+ x z))
  (- (/ x y) (/ z y))
  (- (/ x y) (/ z y))
  (- (/ x y) (/ z y))
4.064 * * [simplify]: iteration  0 :  73  enodes  (cost  404 )
4.075 * * [simplify]: iteration  1 :  156  enodes  (cost  383 )
4.111 * * [simplify]: iteration  2 :  344  enodes  (cost  363 )
4.229 * * [simplify]: iteration  3 :  840  enodes  (cost  363 )
4.570 * * [simplify]: iteration  4 :  1964  enodes  (cost  362 )
6.105 * * [simplify]: iteration  done :  5001  enodes  (cost  362 )
6.106 * [simplify]: Simplified to:
   (log (/ (- x z) y))
  (log (/ (- x z) y))
  (exp (/ (- x z) y))
  (pow (/ (- x z) y) 3)
  (* (cbrt (/ (- x z) y)) (cbrt (/ (- x z) y)))
  (cbrt (/ (- x z) y))
  (pow (/ (- x z) y) 3)
  (sqrt (/ (- x z) y))
  (sqrt (/ (- x z) y))
  (- z x)
  (- y)
  (/ x y)
  (/ z y)
  (/ (* (cbrt (- x z)) (cbrt (- x z))) (* (cbrt y) (cbrt y)))
  (/ (cbrt (- x z)) (cbrt y))
  (/ (* (cbrt (- x z)) (cbrt (- x z))) (sqrt y))
  (/ (cbrt (- x z)) (sqrt y))
  (* (cbrt (- x z)) (cbrt (- x z)))
  (/ (cbrt (- x z)) y)
  (/ (sqrt (- x z)) (* (cbrt y) (cbrt y)))
  (/ (sqrt (- x z)) (cbrt y))
  (/ (sqrt (- x z)) (sqrt y))
  (/ (sqrt (- x z)) (sqrt y))
  (sqrt (- x z))
  (/ (sqrt (- x z)) y)
  (/ 1 (* (cbrt y) (cbrt y)))
  (/ (- x z) (cbrt y))
  (/ 1 (sqrt y))
  (/ (- x z) (sqrt y))
  1
  (/ (- x z) y)
  (/ (+ (sqrt x) (sqrt z)) (* (cbrt y) (cbrt y)))
  (/ (- (sqrt x) (sqrt z)) (cbrt y))
  (/ (+ (sqrt x) (sqrt z)) (sqrt y))
  (/ (- (sqrt x) (sqrt z)) (sqrt y))
  (+ (sqrt x) (sqrt z))
  (/ (- (sqrt x) (sqrt z)) y)
  (/ 1 (* (cbrt y) (cbrt y)))
  (/ (- x z) (cbrt y))
  (/ 1 (sqrt y))
  (/ (- x z) (sqrt y))
  1
  (/ (- x z) y)
  (/ 1 y)
  (/ y (- x z))
  (/ (- x z) (* (cbrt y) (cbrt y)))
  (/ (- x z) (sqrt y))
  (- x z)
  (/ y (cbrt (- x z)))
  (/ y (sqrt (- x z)))
  (/ y (- x z))
  (/ y (- (sqrt x) (sqrt z)))
  (/ y (- x z))
  (* (+ (* z (+ x z)) (* x x)) y)
  (* y (+ x z))
  (/ (- x z) y)
  (/ (- x z) y)
  (/ (- x z) y)
6.106 * * * [progress]: adding candidates to table
6.207 * * [progress]: iteration 2 / 4
6.207 * * * [progress]: picking best candidate
6.209 * * * * [pick]: Picked  #<alt (λ (x y z) (+ (* (+ 0.75 (- (/ x y) (/ z y))) 4.0) 1.0))>
6.209 * * * [progress]: localizing error
6.219 * * * [progress]: generating rewritten candidates
6.219 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1 1 2)
6.241 * * * [progress]: generating series expansions
6.241 * * * * [progress]: [ 1 / 1 ] generating series at (2 1 1 2)
6.241 * [approximate]: Taking taylor expansion of (- (/ x y) (/ z y)) in (x y z) around 0
6.241 * [taylor]: Taking taylor expansion of (- (/ x y) (/ z y)) in z
6.241 * [taylor]: Taking taylor expansion of (/ x y) in z
6.241 * [taylor]: Taking taylor expansion of x in z
6.241 * [taylor]: Taking taylor expansion of y in z
6.241 * [taylor]: Taking taylor expansion of (/ z y) in z
6.241 * [taylor]: Taking taylor expansion of z in z
6.241 * [taylor]: Taking taylor expansion of y in z
6.241 * [taylor]: Taking taylor expansion of (- (/ x y) (/ z y)) in y
6.241 * [taylor]: Taking taylor expansion of (/ x y) in y
6.241 * [taylor]: Taking taylor expansion of x in y
6.241 * [taylor]: Taking taylor expansion of y in y
6.241 * [taylor]: Taking taylor expansion of (/ z y) in y
6.242 * [taylor]: Taking taylor expansion of z in y
6.242 * [taylor]: Taking taylor expansion of y in y
6.242 * [taylor]: Taking taylor expansion of (- (/ x y) (/ z y)) in x
6.242 * [taylor]: Taking taylor expansion of (/ x y) in x
6.242 * [taylor]: Taking taylor expansion of x in x
6.242 * [taylor]: Taking taylor expansion of y in x
6.242 * [taylor]: Taking taylor expansion of (/ z y) in x
6.242 * [taylor]: Taking taylor expansion of z in x
6.242 * [taylor]: Taking taylor expansion of y in x
6.242 * [taylor]: Taking taylor expansion of (- (/ x y) (/ z y)) in x
6.242 * [taylor]: Taking taylor expansion of (/ x y) in x
6.242 * [taylor]: Taking taylor expansion of x in x
6.242 * [taylor]: Taking taylor expansion of y in x
6.242 * [taylor]: Taking taylor expansion of (/ z y) in x
6.242 * [taylor]: Taking taylor expansion of z in x
6.242 * [taylor]: Taking taylor expansion of y in x
6.242 * [taylor]: Taking taylor expansion of (- (/ z y)) in y
6.242 * [taylor]: Taking taylor expansion of (/ z y) in y
6.242 * [taylor]: Taking taylor expansion of z in y
6.242 * [taylor]: Taking taylor expansion of y in y
6.242 * [taylor]: Taking taylor expansion of (- z) in z
6.242 * [taylor]: Taking taylor expansion of z in z
6.243 * [taylor]: Taking taylor expansion of (/ 1 y) in y
6.243 * [taylor]: Taking taylor expansion of y in y
6.244 * [taylor]: Taking taylor expansion of 1 in z
6.245 * [taylor]: Taking taylor expansion of 0 in z
6.246 * [taylor]: Taking taylor expansion of 0 in y
6.246 * [taylor]: Taking taylor expansion of 0 in z
6.248 * [taylor]: Taking taylor expansion of 0 in z
6.249 * [taylor]: Taking taylor expansion of 0 in y
6.249 * [taylor]: Taking taylor expansion of 0 in z
6.249 * [approximate]: Taking taylor expansion of (- (/ y x) (/ y z)) in (x y z) around 0
6.249 * [taylor]: Taking taylor expansion of (- (/ y x) (/ y z)) in z
6.249 * [taylor]: Taking taylor expansion of (/ y x) in z
6.249 * [taylor]: Taking taylor expansion of y in z
6.249 * [taylor]: Taking taylor expansion of x in z
6.249 * [taylor]: Taking taylor expansion of (/ y z) in z
6.249 * [taylor]: Taking taylor expansion of y in z
6.249 * [taylor]: Taking taylor expansion of z in z
6.249 * [taylor]: Taking taylor expansion of (- (/ y x) (/ y z)) in y
6.249 * [taylor]: Taking taylor expansion of (/ y x) in y
6.250 * [taylor]: Taking taylor expansion of y in y
6.250 * [taylor]: Taking taylor expansion of x in y
6.250 * [taylor]: Taking taylor expansion of (/ y z) in y
6.250 * [taylor]: Taking taylor expansion of y in y
6.250 * [taylor]: Taking taylor expansion of z in y
6.250 * [taylor]: Taking taylor expansion of (- (/ y x) (/ y z)) in x
6.250 * [taylor]: Taking taylor expansion of (/ y x) in x
6.250 * [taylor]: Taking taylor expansion of y in x
6.250 * [taylor]: Taking taylor expansion of x in x
6.250 * [taylor]: Taking taylor expansion of (/ y z) in x
6.250 * [taylor]: Taking taylor expansion of y in x
6.250 * [taylor]: Taking taylor expansion of z in x
6.250 * [taylor]: Taking taylor expansion of (- (/ y x) (/ y z)) in x
6.250 * [taylor]: Taking taylor expansion of (/ y x) in x
6.250 * [taylor]: Taking taylor expansion of y in x
6.250 * [taylor]: Taking taylor expansion of x in x
6.250 * [taylor]: Taking taylor expansion of (/ y z) in x
6.250 * [taylor]: Taking taylor expansion of y in x
6.250 * [taylor]: Taking taylor expansion of z in x
6.250 * [taylor]: Taking taylor expansion of y in y
6.250 * [taylor]: Taking taylor expansion of 1 in z
6.251 * [taylor]: Taking taylor expansion of (- (/ y z)) in y
6.251 * [taylor]: Taking taylor expansion of (/ y z) in y
6.251 * [taylor]: Taking taylor expansion of y in y
6.251 * [taylor]: Taking taylor expansion of z in y
6.251 * [taylor]: Taking taylor expansion of (- (/ 1 z)) in z
6.251 * [taylor]: Taking taylor expansion of (/ 1 z) in z
6.251 * [taylor]: Taking taylor expansion of z in z
6.252 * [taylor]: Taking taylor expansion of 0 in z
6.254 * [taylor]: Taking taylor expansion of 0 in y
6.254 * [taylor]: Taking taylor expansion of 0 in z
6.255 * [taylor]: Taking taylor expansion of 0 in z
6.255 * [taylor]: Taking taylor expansion of 0 in z
6.257 * [taylor]: Taking taylor expansion of 0 in y
6.258 * [taylor]: Taking taylor expansion of 0 in z
6.258 * [taylor]: Taking taylor expansion of 0 in z
6.258 * [taylor]: Taking taylor expansion of 0 in z
6.258 * [taylor]: Taking taylor expansion of 0 in z
6.259 * [approximate]: Taking taylor expansion of (- (/ y x) (/ y z)) in (x y z) around 0
6.259 * [taylor]: Taking taylor expansion of (- (/ y x) (/ y z)) in z
6.259 * [taylor]: Taking taylor expansion of (/ y x) in z
6.259 * [taylor]: Taking taylor expansion of y in z
6.259 * [taylor]: Taking taylor expansion of x in z
6.259 * [taylor]: Taking taylor expansion of (/ y z) in z
6.259 * [taylor]: Taking taylor expansion of y in z
6.259 * [taylor]: Taking taylor expansion of z in z
6.259 * [taylor]: Taking taylor expansion of (- (/ y x) (/ y z)) in y
6.259 * [taylor]: Taking taylor expansion of (/ y x) in y
6.259 * [taylor]: Taking taylor expansion of y in y
6.259 * [taylor]: Taking taylor expansion of x in y
6.259 * [taylor]: Taking taylor expansion of (/ y z) in y
6.259 * [taylor]: Taking taylor expansion of y in y
6.259 * [taylor]: Taking taylor expansion of z in y
6.259 * [taylor]: Taking taylor expansion of (- (/ y x) (/ y z)) in x
6.259 * [taylor]: Taking taylor expansion of (/ y x) in x
6.259 * [taylor]: Taking taylor expansion of y in x
6.259 * [taylor]: Taking taylor expansion of x in x
6.259 * [taylor]: Taking taylor expansion of (/ y z) in x
6.259 * [taylor]: Taking taylor expansion of y in x
6.259 * [taylor]: Taking taylor expansion of z in x
6.259 * [taylor]: Taking taylor expansion of (- (/ y x) (/ y z)) in x
6.259 * [taylor]: Taking taylor expansion of (/ y x) in x
6.259 * [taylor]: Taking taylor expansion of y in x
6.259 * [taylor]: Taking taylor expansion of x in x
6.259 * [taylor]: Taking taylor expansion of (/ y z) in x
6.259 * [taylor]: Taking taylor expansion of y in x
6.259 * [taylor]: Taking taylor expansion of z in x
6.259 * [taylor]: Taking taylor expansion of y in y
6.259 * [taylor]: Taking taylor expansion of 1 in z
6.260 * [taylor]: Taking taylor expansion of (- (/ y z)) in y
6.260 * [taylor]: Taking taylor expansion of (/ y z) in y
6.260 * [taylor]: Taking taylor expansion of y in y
6.260 * [taylor]: Taking taylor expansion of z in y
6.261 * [taylor]: Taking taylor expansion of (- (/ 1 z)) in z
6.261 * [taylor]: Taking taylor expansion of (/ 1 z) in z
6.261 * [taylor]: Taking taylor expansion of z in z
6.261 * [taylor]: Taking taylor expansion of 0 in z
6.263 * [taylor]: Taking taylor expansion of 0 in y
6.263 * [taylor]: Taking taylor expansion of 0 in z
6.263 * [taylor]: Taking taylor expansion of 0 in z
6.264 * [taylor]: Taking taylor expansion of 0 in z
6.267 * [taylor]: Taking taylor expansion of 0 in y
6.267 * [taylor]: Taking taylor expansion of 0 in z
6.267 * [taylor]: Taking taylor expansion of 0 in z
6.267 * [taylor]: Taking taylor expansion of 0 in z
6.267 * [taylor]: Taking taylor expansion of 0 in z
6.268 * * * [progress]: simplifying candidates
6.268 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (/ (exp (/ x y)) (exp (/ z y)))
  (log (- (/ x y) (/ z y)))
  (exp (- (/ x y) (/ z 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 z)
  (- (* x y) (* y z))
  (* y y)
  (- (pow (/ x y) 3) (pow (/ z y) 3))
  (+ (* (/ x y) (/ x y)) (+ (* (/ z y) (/ z y)) (* (/ x y) (/ z y))))
  (- (/ z y))
  (- (* (/ x y) (/ x y)) (* (/ z y) (/ z y)))
  (+ (/ x y) (/ z y))
  (+ (sqrt (/ x y)) (sqrt (/ z y)))
  (- (sqrt (/ x y)) (sqrt (/ z y)))
  (+ (sqrt (/ x y)) (/ (sqrt z) (sqrt y)))
  (- (sqrt (/ x y)) (/ (sqrt z) (sqrt y)))
  (+ (/ (sqrt x) (sqrt y)) (sqrt (/ z y)))
  (- (/ (sqrt x) (sqrt y)) (sqrt (/ z y)))
  (+ (/ (sqrt x) (sqrt y)) (/ (sqrt z) (sqrt y)))
  (- (/ (sqrt x) (sqrt y)) (/ (sqrt z) (sqrt y)))
  (- (/ x (cbrt y)) (/ z (cbrt y)))
  (- (/ x (sqrt y)) (/ z (sqrt y)))
  (- (/ x y) (/ z y))
  (- (/ x y) (/ z y))
  (- x z)
  (- (/ z y))
  (- (/ x y) (/ z y))
  (- (/ x y) (/ z y))
  (- (/ x y) (/ z y))
6.270 * * [simplify]: iteration  0 :  55  enodes  (cost  302 )
6.278 * * [simplify]: iteration  1 :  118  enodes  (cost  297 )
6.296 * * [simplify]: iteration  2 :  241  enodes  (cost  281 )
6.341 * * [simplify]: iteration  3 :  506  enodes  (cost  281 )
6.492 * * [simplify]: iteration  4 :  1304  enodes  (cost  279 )
7.206 * * [simplify]: iteration  5 :  3886  enodes  (cost  279 )
8.354 * * [simplify]: iteration  done :  5001  enodes  (cost  279 )
8.354 * [simplify]: Simplified to:
   (exp (- (/ x y) (/ z y)))
  (log (- (/ x y) (/ z y)))
  (exp (- (/ x y) (/ z y)))
  (* (cbrt (- (/ x y) (/ z y))) (cbrt (- (/ x y) (/ z y))))
  (cbrt (- (/ x y) (/ z y)))
  (pow (- (/ x y) (/ z y)) 3)
  (sqrt (- (/ x y) (/ z y)))
  (sqrt (- (/ x y) (/ z y)))
  (- x z)
  (* y (- x z))
  (* y y)
  (- (pow (/ x y) 3) (pow (/ z y) 3))
  (+ (* (/ z y) (/ z y)) (* (/ x (* y y)) (+ z x)))
  (- (/ z y))
  (- (* (/ x y) (/ x y)) (* (/ z y) (/ z y)))
  (+ (/ x y) (/ z y))
  (+ (sqrt (/ x y)) (sqrt (/ z y)))
  (- (sqrt (/ x y)) (sqrt (/ z y)))
  (+ (sqrt (/ x y)) (/ (sqrt z) (sqrt y)))
  (- (sqrt (/ x y)) (/ (sqrt z) (sqrt y)))
  (+ (/ (sqrt x) (sqrt y)) (sqrt (/ z y)))
  (- (/ (sqrt x) (sqrt y)) (sqrt (/ z y)))
  (+ (/ (sqrt x) (sqrt y)) (/ (sqrt z) (sqrt y)))
  (- (/ (sqrt x) (sqrt y)) (/ (sqrt z) (sqrt y)))
  (- (/ x (cbrt y)) (/ z (cbrt y)))
  (- (/ x (sqrt y)) (/ z (sqrt y)))
  (- (/ x y) (/ z y))
  (- (/ x y) (/ z y))
  (- x z)
  (- (/ z y))
  (- (/ x y) (/ z y))
  (- (/ x y) (/ z y))
  (- (/ x y) (/ z y))
8.354 * * * [progress]: adding candidates to table
8.416 * [progress]: [Phase 3 of 3] Extracting.
8.417 * * [regime]: Finding splitpoints for: (#<alt (λ (x y z) (+ (* (+ 0.75 (/ (- x z) y)) 4.0) 1.0))> #<alt (λ (x y z) (+ (* (+ 0.75 (- (/ x y) (/ z y))) 4.0) 1.0))>)
8.417 * * * [regime-changes]: Trying 3 branch expressions: (z y x)
8.417 * * * * [regimes]: Trying to branch on z from (#<alt (λ (x y z) (+ (* (+ 0.75 (/ (- x z) y)) 4.0) 1.0))> #<alt (λ (x y z) (+ (* (+ 0.75 (- (/ x y) (/ z y))) 4.0) 1.0))>)
8.431 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y z) (+ (* (+ 0.75 (/ (- x z) y)) 4.0) 1.0))> #<alt (λ (x y z) (+ (* (+ 0.75 (- (/ x y) (/ z y))) 4.0) 1.0))>)
8.447 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y z) (+ (* (+ 0.75 (/ (- x z) y)) 4.0) 1.0))> #<alt (λ (x y z) (+ (* (+ 0.75 (- (/ x y) (/ z y))) 4.0) 1.0))>)
8.461 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
8.462 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (+ (* (+ 0.75 (/ (- x z) y)) 4.0) 1.0)
8.462 * * [simplify]: iteration  0 :  11  enodes  (cost  11 )
8.462 * * [simplify]: iteration  1 :  14  enodes  (cost  11 )
8.463 * * [simplify]: iteration  done :  14  enodes  (cost  11 )
8.463 * [simplify]: Simplified to:
   (+ (* (+ 0.75 (/ (- x z) y)) 4.0) 1.0)
9.062 * [regime-testing]: Baseline error score: 0.013352588438812053
9.063 * [regime-testing]: Oracle error score: 0.008351963360677287
9.064 * [regime-testing]: End program error score: 0.013352588438812053