83.929 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.020 * * * [progress]: [2/2] Setting up program.
0.022 * [progress]: [Phase 2 of 3] Improving.
0.022 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+ (- (* (/ 1.0 8.0) x) (/ (* y z) 2.0)) t)
0.024 * * [simplify]: iteration  0 :  24  enodes  (cost  6 )
0.026 * * [simplify]: iteration  1 :  46  enodes  (cost  6 )
0.027 * * [simplify]: iteration  2 :  73  enodes  (cost  6 )
0.029 * * [simplify]: iteration  3 :  99  enodes  (cost  6 )
0.031 * * [simplify]: iteration  4 :  119  enodes  (cost  6 )
0.033 * * [simplify]: iteration  5 :  145  enodes  (cost  6 )
0.035 * * [simplify]: iteration  6 :  178  enodes  (cost  6 )
0.038 * * [simplify]: iteration  7 :  253  enodes  (cost  6 )
0.043 * * [simplify]: iteration  8 :  333  enodes  (cost  6 )
0.047 * * [simplify]: iteration  9 :  467  enodes  (cost  6 )
0.051 * * [simplify]: iteration  10 :  467  enodes  (cost  6 )
0.051 * [simplify]: Simplified to:
   (+ (- (* (/ 1.0 8.0) x) (/ (* y z) 2.0)) t)
0.052 * * [progress]: iteration 1 / 4
0.052 * * * [progress]: picking best candidate
0.054 * * * * [pick]: Picked  #<alt (λ (x y z t) (+ (- (* (/ 1.0 8.0) x) (/ (* y z) 2.0)) t))>
0.054 * * * [progress]: localizing error
0.063 * * * [progress]: generating rewritten candidates
0.063 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1 2)
0.068 * * * [progress]: generating series expansions
0.068 * * * * [progress]: [ 1 / 1 ] generating series at (2 1 2)
0.068 * [approximate]: Taking taylor expansion of (* 0.5 (* z y)) in (y z) around 0
0.068 * [taylor]: Taking taylor expansion of (* 0.5 (* z y)) in z
0.068 * [taylor]: Taking taylor expansion of 0.5 in z
0.068 * [taylor]: Taking taylor expansion of (* z y) in z
0.068 * [taylor]: Taking taylor expansion of z in z
0.068 * [taylor]: Taking taylor expansion of y in z
0.068 * [taylor]: Taking taylor expansion of (* 0.5 (* z y)) in y
0.068 * [taylor]: Taking taylor expansion of 0.5 in y
0.068 * [taylor]: Taking taylor expansion of (* z y) in y
0.068 * [taylor]: Taking taylor expansion of z in y
0.068 * [taylor]: Taking taylor expansion of y in y
0.068 * [taylor]: Taking taylor expansion of (* 0.5 (* z y)) in y
0.068 * [taylor]: Taking taylor expansion of 0.5 in y
0.068 * [taylor]: Taking taylor expansion of (* z y) in y
0.068 * [taylor]: Taking taylor expansion of z in y
0.068 * [taylor]: Taking taylor expansion of y in y
0.069 * [taylor]: Taking taylor expansion of 0 in z
0.069 * [taylor]: Taking taylor expansion of (* 0.5 z) in z
0.069 * [taylor]: Taking taylor expansion of 0.5 in z
0.069 * [taylor]: Taking taylor expansion of z in z
0.071 * [taylor]: Taking taylor expansion of 0 in z
0.073 * [taylor]: Taking taylor expansion of 0 in z
0.077 * [taylor]: Taking taylor expansion of 0 in z
0.078 * [approximate]: Taking taylor expansion of (/ 0.5 (* z y)) in (y z) around 0
0.078 * [taylor]: Taking taylor expansion of (/ 0.5 (* z y)) in z
0.078 * [taylor]: Taking taylor expansion of 0.5 in z
0.078 * [taylor]: Taking taylor expansion of (* z y) in z
0.078 * [taylor]: Taking taylor expansion of z in z
0.078 * [taylor]: Taking taylor expansion of y in z
0.078 * [taylor]: Taking taylor expansion of (/ 0.5 (* z y)) in y
0.078 * [taylor]: Taking taylor expansion of 0.5 in y
0.078 * [taylor]: Taking taylor expansion of (* z y) in y
0.078 * [taylor]: Taking taylor expansion of z in y
0.078 * [taylor]: Taking taylor expansion of y in y
0.078 * [taylor]: Taking taylor expansion of (/ 0.5 (* z y)) in y
0.078 * [taylor]: Taking taylor expansion of 0.5 in y
0.079 * [taylor]: Taking taylor expansion of (* z y) in y
0.079 * [taylor]: Taking taylor expansion of z in y
0.079 * [taylor]: Taking taylor expansion of y in y
0.079 * [taylor]: Taking taylor expansion of (/ 0.5 z) in z
0.079 * [taylor]: Taking taylor expansion of 0.5 in z
0.079 * [taylor]: Taking taylor expansion of z in z
0.080 * [taylor]: Taking taylor expansion of 0 in z
0.081 * [taylor]: Taking taylor expansion of 0 in z
0.082 * [taylor]: Taking taylor expansion of 0 in z
0.083 * [approximate]: Taking taylor expansion of (/ 0.5 (* z y)) in (y z) around 0
0.083 * [taylor]: Taking taylor expansion of (/ 0.5 (* z y)) in z
0.083 * [taylor]: Taking taylor expansion of 0.5 in z
0.083 * [taylor]: Taking taylor expansion of (* z y) in z
0.083 * [taylor]: Taking taylor expansion of z in z
0.083 * [taylor]: Taking taylor expansion of y in z
0.083 * [taylor]: Taking taylor expansion of (/ 0.5 (* z y)) in y
0.083 * [taylor]: Taking taylor expansion of 0.5 in y
0.083 * [taylor]: Taking taylor expansion of (* z y) in y
0.083 * [taylor]: Taking taylor expansion of z in y
0.083 * [taylor]: Taking taylor expansion of y in y
0.083 * [taylor]: Taking taylor expansion of (/ 0.5 (* z y)) in y
0.083 * [taylor]: Taking taylor expansion of 0.5 in y
0.084 * [taylor]: Taking taylor expansion of (* z y) in y
0.084 * [taylor]: Taking taylor expansion of z in y
0.084 * [taylor]: Taking taylor expansion of y in y
0.084 * [taylor]: Taking taylor expansion of (/ 0.5 z) in z
0.084 * [taylor]: Taking taylor expansion of 0.5 in z
0.084 * [taylor]: Taking taylor expansion of z in z
0.085 * [taylor]: Taking taylor expansion of 0 in z
0.086 * [taylor]: Taking taylor expansion of 0 in z
0.087 * [taylor]: Taking taylor expansion of 0 in z
0.088 * * * [progress]: simplifying candidates
0.088 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (+ (log y) (log z)) (log 2.0))
  (- (log (* y z)) (log 2.0))
  (log (/ (* y z) 2.0))
  (exp (/ (* y z) 2.0))
  (/ (* (* (* y y) y) (* (* z z) z)) (* (* 2.0 2.0) 2.0))
  (/ (* (* (* y z) (* y z)) (* y z)) (* (* 2.0 2.0) 2.0))
  (* (cbrt (/ (* y z) 2.0)) (cbrt (/ (* y z) 2.0)))
  (cbrt (/ (* y z) 2.0))
  (* (* (/ (* y z) 2.0) (/ (* y z) 2.0)) (/ (* y z) 2.0))
  (sqrt (/ (* y z) 2.0))
  (sqrt (/ (* y z) 2.0))
  (- (* y z))
  (- 2.0)
  (/ y (* (cbrt 2.0) (cbrt 2.0)))
  (/ z (cbrt 2.0))
  (/ y (sqrt 2.0))
  (/ z (sqrt 2.0))
  (/ y 1)
  (/ z 2.0)
  (/ 1 2.0)
  (/ 2.0 (* y z))
  (/ (* y z) (* (cbrt 2.0) (cbrt 2.0)))
  (/ (* y z) (sqrt 2.0))
  (/ (* y z) 1)
  (/ 2.0 z)
  (* 0.5 (* z y))
  (* 0.5 (* z y))
  (* 0.5 (* z y))
0.091 * * [simplify]: iteration  0 :  116  enodes  (cost  85 )
0.094 * * [simplify]: iteration  1 :  535  enodes  (cost  70 )
0.105 * * [simplify]: iteration  2 :  2519  enodes  (cost  70 )
0.147 * * [simplify]: iteration  3 :  5001  enodes  (cost  70 )
0.147 * [simplify]: Simplified to:
   (log (/ (* y z) 2.0))
  (log (/ (* y z) 2.0))
  (log (/ (* y z) 2.0))
  (exp (/ (* y z) 2.0))
  (pow (/ (* y z) 2.0) 3)
  (pow (/ (* y z) 2.0) 3)
  (* (cbrt (/ (* y z) 2.0)) (cbrt (/ (* y z) 2.0)))
  (cbrt (/ (* y z) 2.0))
  (pow (/ (* y z) 2.0) 3)
  (sqrt (/ (* y z) 2.0))
  (sqrt (/ (* y z) 2.0))
  (- (* y z))
  (- 2.0)
  (/ y (* (cbrt 2.0) (cbrt 2.0)))
  (/ z (cbrt 2.0))
  (/ y (sqrt 2.0))
  (/ z (sqrt 2.0))
  y
  (/ z 2.0)
  (/ 1 2.0)
  (/ 2.0 (* y z))
  (/ (* y z) (* (cbrt 2.0) (cbrt 2.0)))
  (/ (* y z) (sqrt 2.0))
  (* y z)
  (/ 2.0 z)
  (* 0.5 (* z y))
  (* 0.5 (* z y))
  (* 0.5 (* z y))
0.148 * * * [progress]: adding candidates to table
0.195 * [progress]: [Phase 3 of 3] Extracting.
0.197 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+ (- (* (/ 1.0 8.0) x) (/ (* y z) 2.0)) t)
0.197 * * [simplify]: iteration  0 :  16  enodes  (cost  6 )
0.198 * * [simplify]: iteration  1 :  16  enodes  (cost  6 )
0.198 * [simplify]: Simplified to:
   (+ (- (* (/ 1.0 8.0) x) (/ (* y z) 2.0)) t)
0.764 * [regime-testing]: End program error score: 0.022252781597699712
0.786 * [regime-testing]: Target error score: 0.006250781347668459