8.925 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.019 * * * [progress]: [2/2] Setting up program.
0.020 * [progress]: [Phase 2 of 3] Improving.
0.021 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (* x x) (* (* y 4.0) z))
0.023 * * [simplify]: iteration  0 :  14  enodes  (cost  4 )
0.024 * * [simplify]: iteration  1 :  32  enodes  (cost  4 )
0.025 * * [simplify]: iteration  2 :  57  enodes  (cost  4 )
0.027 * * [simplify]: iteration  3 :  63  enodes  (cost  4 )
0.029 * * [simplify]: iteration  4 :  63  enodes  (cost  4 )
0.029 * [simplify]: Simplified to:
   (- (* x x) (* (* y 4.0) z))
0.029 * * [progress]: iteration 1 / 4
0.029 * * * [progress]: picking best candidate
0.031 * * * * [pick]: Picked  #<alt (λ (x y z) (- (* x x) (* (* y 4.0) z)))>
0.031 * * * [progress]: localizing error
0.037 * * * [progress]: generating rewritten candidates
0.037 * * * * [progress]: [ 1 / 1 ] rewriting at (2 2)
0.044 * * * [progress]: generating series expansions
0.044 * * * * [progress]: [ 1 / 1 ] generating series at (2 2)
0.044 * [approximate]: Taking taylor expansion of (* 4.0 (* z y)) in (y z) around 0
0.044 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in z
0.044 * [taylor]: Taking taylor expansion of 4.0 in z
0.044 * [taylor]: Taking taylor expansion of (* z y) in z
0.044 * [taylor]: Taking taylor expansion of z in z
0.044 * [taylor]: Taking taylor expansion of y in z
0.044 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in y
0.044 * [taylor]: Taking taylor expansion of 4.0 in y
0.044 * [taylor]: Taking taylor expansion of (* z y) in y
0.044 * [taylor]: Taking taylor expansion of z in y
0.044 * [taylor]: Taking taylor expansion of y in y
0.044 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in y
0.044 * [taylor]: Taking taylor expansion of 4.0 in y
0.044 * [taylor]: Taking taylor expansion of (* z y) in y
0.044 * [taylor]: Taking taylor expansion of z in y
0.044 * [taylor]: Taking taylor expansion of y in y
0.045 * [taylor]: Taking taylor expansion of 0 in z
0.045 * [taylor]: Taking taylor expansion of (* 4.0 z) in z
0.045 * [taylor]: Taking taylor expansion of 4.0 in z
0.045 * [taylor]: Taking taylor expansion of z in z
0.047 * [taylor]: Taking taylor expansion of 0 in z
0.049 * [taylor]: Taking taylor expansion of 0 in z
0.051 * [taylor]: Taking taylor expansion of 0 in z
0.051 * [approximate]: Taking taylor expansion of (/ 4.0 (* z y)) in (y z) around 0
0.051 * [taylor]: Taking taylor expansion of (/ 4.0 (* z y)) in z
0.051 * [taylor]: Taking taylor expansion of 4.0 in z
0.051 * [taylor]: Taking taylor expansion of (* z y) in z
0.051 * [taylor]: Taking taylor expansion of z in z
0.051 * [taylor]: Taking taylor expansion of y in z
0.051 * [taylor]: Taking taylor expansion of (/ 4.0 (* z y)) in y
0.051 * [taylor]: Taking taylor expansion of 4.0 in y
0.051 * [taylor]: Taking taylor expansion of (* z y) in y
0.051 * [taylor]: Taking taylor expansion of z in y
0.051 * [taylor]: Taking taylor expansion of y in y
0.052 * [taylor]: Taking taylor expansion of (/ 4.0 (* z y)) in y
0.052 * [taylor]: Taking taylor expansion of 4.0 in y
0.052 * [taylor]: Taking taylor expansion of (* z y) in y
0.052 * [taylor]: Taking taylor expansion of z in y
0.052 * [taylor]: Taking taylor expansion of y in y
0.052 * [taylor]: Taking taylor expansion of (/ 4.0 z) in z
0.052 * [taylor]: Taking taylor expansion of 4.0 in z
0.052 * [taylor]: Taking taylor expansion of z in z
0.053 * [taylor]: Taking taylor expansion of 0 in z
0.054 * [taylor]: Taking taylor expansion of 0 in z
0.055 * [taylor]: Taking taylor expansion of 0 in z
0.056 * [approximate]: Taking taylor expansion of (/ 4.0 (* z y)) in (y z) around 0
0.056 * [taylor]: Taking taylor expansion of (/ 4.0 (* z y)) in z
0.056 * [taylor]: Taking taylor expansion of 4.0 in z
0.056 * [taylor]: Taking taylor expansion of (* z y) in z
0.056 * [taylor]: Taking taylor expansion of z in z
0.056 * [taylor]: Taking taylor expansion of y in z
0.056 * [taylor]: Taking taylor expansion of (/ 4.0 (* z y)) in y
0.056 * [taylor]: Taking taylor expansion of 4.0 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
0.057 * [taylor]: Taking taylor expansion of (/ 4.0 (* z y)) in y
0.057 * [taylor]: Taking taylor expansion of 4.0 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 (/ 4.0 z) in z
0.057 * [taylor]: Taking taylor expansion of 4.0 in z
0.057 * [taylor]: Taking taylor expansion of z in z
0.058 * [taylor]: Taking taylor expansion of 0 in z
0.059 * [taylor]: Taking taylor expansion of 0 in z
0.060 * [taylor]: Taking taylor expansion of 0 in z
0.061 * * * [progress]: simplifying candidates
0.061 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* (* y 4.0) z)
  (* (* y 4.0) z)
  (+ (+ (log y) (log 4.0)) (log z))
  (+ (log (* y 4.0)) (log z))
  (log (* (* y 4.0) z))
  (exp (* (* y 4.0) z))
  (* (* (* (* y y) y) (* (* 4.0 4.0) 4.0)) (* (* z z) z))
  (* (* (* (* y 4.0) (* y 4.0)) (* y 4.0)) (* (* z z) z))
  (* (cbrt (* (* y 4.0) z)) (cbrt (* (* y 4.0) z)))
  (cbrt (* (* y 4.0) z))
  (* (* (* (* y 4.0) z) (* (* y 4.0) z)) (* (* y 4.0) z))
  (sqrt (* (* y 4.0) z))
  (sqrt (* (* y 4.0) z))
  (* (* y 4.0) (* (cbrt z) (cbrt z)))
  (* (* y 4.0) (sqrt z))
  (* (* y 4.0) 1)
  (* 4.0 z)
  (* 4.0 (* z y))
  (* 4.0 (* z y))
  (* 4.0 (* z y))
0.064 * * [simplify]: iteration  0 :  101  enodes  (cost  72 )
0.067 * * [simplify]: iteration  1 :  465  enodes  (cost  57 )
0.078 * * [simplify]: iteration  2 :  2173  enodes  (cost  57 )
0.115 * * [simplify]: iteration  3 :  5001  enodes  (cost  57 )
0.116 * [simplify]: Simplified to:
   (* (* y 4.0) z)
  (* (* y 4.0) z)
  (log (* (* y 4.0) z))
  (log (* (* y 4.0) z))
  (log (* (* y 4.0) z))
  (exp (* (* y 4.0) z))
  (pow (* (* y 4.0) z) 3)
  (pow (* (* y 4.0) z) 3)
  (* (cbrt (* (* y 4.0) z)) (cbrt (* (* y 4.0) z)))
  (cbrt (* (* y 4.0) z))
  (pow (* (* y 4.0) z) 3)
  (sqrt (* (* y 4.0) z))
  (sqrt (* (* y 4.0) z))
  (* (* y 4.0) (* (cbrt z) (cbrt z)))
  (* (* y 4.0) (sqrt z))
  (* y 4.0)
  (* 4.0 z)
  (* (* y 4.0) z)
  (* (* y 4.0) z)
  (* (* y 4.0) z)
0.116 * * * [progress]: adding candidates to table
0.146 * * [progress]: iteration 2 / 4
0.146 * * * [progress]: picking best candidate
0.147 * * * * [pick]: Picked  #<alt (λ (x y z) (- (* x x) (* y (* 4.0 z))))>
0.147 * * * [progress]: localizing error
0.154 * * * [progress]: generating rewritten candidates
0.154 * * * [progress]: generating series expansions
0.154 * * * [progress]: simplifying candidates
0.154 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   
0.156 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
0.156 * [simplify]: Simplified to:
   
0.156 * * * [progress]: adding candidates to table
0.156 * [progress]: [Phase 3 of 3] Extracting.
0.158 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (* x x) (* y (* 4.0 z)))
0.159 * * [simplify]: iteration  0 :  10  enodes  (cost  4 )
0.159 * * [simplify]: iteration  1 :  10  enodes  (cost  4 )
0.159 * [simplify]: Simplified to:
   (- (* x x) (* y (* 4.0 z)))
0.739 * [regime-testing]: End program error score: 0.0735516752097618