76.930 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.631 * * * [progress]: [2/2] Setting up program.
0.635 * [progress]: [Phase 2 of 3] Improving.
0.635 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+ (- (* (/ 1.0 8.0) x) (/ (* y z) 2.0)) t)
0.639 * * [simplify]: iteration  0 :  24  enodes  (cost  6 )
0.640 * * [simplify]: iteration  1 :  46  enodes  (cost  6 )
0.642 * * [simplify]: iteration  2 :  73  enodes  (cost  6 )
0.643 * * [simplify]: iteration  3 :  99  enodes  (cost  6 )
0.645 * * [simplify]: iteration  4 :  119  enodes  (cost  6 )
0.647 * * [simplify]: iteration  5 :  145  enodes  (cost  6 )
0.649 * * [simplify]: iteration  6 :  178  enodes  (cost  6 )
0.652 * * [simplify]: iteration  7 :  253  enodes  (cost  6 )
0.656 * * [simplify]: iteration  8 :  333  enodes  (cost  6 )
0.660 * * [simplify]: iteration  9 :  467  enodes  (cost  6 )
0.666 * * [simplify]: iteration  10 :  467  enodes  (cost  6 )
0.666 * [simplify]: Simplified to:
   (+ (- (* (/ 1.0 8.0) x) (/ (* y z) 2.0)) t)
0.667 * * [progress]: iteration 1 / 4
0.667 * * * [progress]: picking best candidate
0.674 * * * * [pick]: Picked  #<alt (λ (x y z t) (+ (- (* (/ 1.0 8.0) x) (/ (* y z) 2.0)) t))>
0.674 * * * [progress]: localizing error
0.696 * * * [progress]: generating rewritten candidates
0.697 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1 2)
0.701 * * * [progress]: generating series expansions
0.701 * * * * [progress]: [ 1 / 1 ] generating series at (2 1 2)
0.701 * [approximate]: Taking taylor expansion of (* 0.5 (* z y)) in (y z) around 0
0.702 * [taylor]: Taking taylor expansion of (* 0.5 (* z y)) in z
0.702 * [taylor]: Taking taylor expansion of 0.5 in z
0.702 * [taylor]: Taking taylor expansion of (* z y) in z
0.702 * [taylor]: Taking taylor expansion of z in z
0.702 * [taylor]: Taking taylor expansion of y in z
0.702 * [taylor]: Taking taylor expansion of (* 0.5 (* z y)) in y
0.702 * [taylor]: Taking taylor expansion of 0.5 in y
0.702 * [taylor]: Taking taylor expansion of (* z y) in y
0.702 * [taylor]: Taking taylor expansion of z in y
0.702 * [taylor]: Taking taylor expansion of y in y
0.702 * [taylor]: Taking taylor expansion of (* 0.5 (* z y)) in y
0.702 * [taylor]: Taking taylor expansion of 0.5 in y
0.702 * [taylor]: Taking taylor expansion of (* z y) in y
0.702 * [taylor]: Taking taylor expansion of z in y
0.702 * [taylor]: Taking taylor expansion of y in y
0.702 * [taylor]: Taking taylor expansion of 0 in z
0.702 * [taylor]: Taking taylor expansion of (* 0.5 z) in z
0.702 * [taylor]: Taking taylor expansion of 0.5 in z
0.702 * [taylor]: Taking taylor expansion of z in z
0.702 * [taylor]: Taking taylor expansion of 0 in z
0.702 * [taylor]: Taking taylor expansion of 0 in z
0.702 * [taylor]: Taking taylor expansion of 0 in z
0.703 * [approximate]: Taking taylor expansion of (/ 0.5 (* z y)) in (y z) around 0
0.703 * [taylor]: Taking taylor expansion of (/ 0.5 (* z y)) in z
0.703 * [taylor]: Taking taylor expansion of 0.5 in z
0.703 * [taylor]: Taking taylor expansion of (* z y) in z
0.703 * [taylor]: Taking taylor expansion of z in z
0.703 * [taylor]: Taking taylor expansion of y in z
0.703 * [taylor]: Taking taylor expansion of (/ 0.5 (* z y)) in y
0.703 * [taylor]: Taking taylor expansion of 0.5 in y
0.703 * [taylor]: Taking taylor expansion of (* z y) in y
0.703 * [taylor]: Taking taylor expansion of z in y
0.703 * [taylor]: Taking taylor expansion of y in y
0.703 * [taylor]: Taking taylor expansion of (/ 0.5 (* z y)) in y
0.703 * [taylor]: Taking taylor expansion of 0.5 in y
0.703 * [taylor]: Taking taylor expansion of (* z y) in y
0.703 * [taylor]: Taking taylor expansion of z in y
0.703 * [taylor]: Taking taylor expansion of y in y
0.703 * [taylor]: Taking taylor expansion of (/ 0.5 z) in z
0.703 * [taylor]: Taking taylor expansion of 0.5 in z
0.703 * [taylor]: Taking taylor expansion of z in z
0.703 * [taylor]: Taking taylor expansion of 0 in z
0.703 * [taylor]: Taking taylor expansion of 0 in z
0.704 * [taylor]: Taking taylor expansion of 0 in z
0.704 * [approximate]: Taking taylor expansion of (/ 0.5 (* z y)) in (y z) around 0
0.704 * [taylor]: Taking taylor expansion of (/ 0.5 (* z y)) in z
0.704 * [taylor]: Taking taylor expansion of 0.5 in z
0.704 * [taylor]: Taking taylor expansion of (* z y) in z
0.704 * [taylor]: Taking taylor expansion of z in z
0.704 * [taylor]: Taking taylor expansion of y in z
0.704 * [taylor]: Taking taylor expansion of (/ 0.5 (* z y)) in y
0.704 * [taylor]: Taking taylor expansion of 0.5 in y
0.704 * [taylor]: Taking taylor expansion of (* z y) in y
0.704 * [taylor]: Taking taylor expansion of z in y
0.704 * [taylor]: Taking taylor expansion of y in y
0.704 * [taylor]: Taking taylor expansion of (/ 0.5 (* z y)) in y
0.704 * [taylor]: Taking taylor expansion of 0.5 in y
0.704 * [taylor]: Taking taylor expansion of (* z y) in y
0.704 * [taylor]: Taking taylor expansion of z in y
0.704 * [taylor]: Taking taylor expansion of y in y
0.704 * [taylor]: Taking taylor expansion of (/ 0.5 z) in z
0.704 * [taylor]: Taking taylor expansion of 0.5 in z
0.704 * [taylor]: Taking taylor expansion of z in z
0.704 * [taylor]: Taking taylor expansion of 0 in z
0.705 * [taylor]: Taking taylor expansion of 0 in z
0.705 * [taylor]: Taking taylor expansion of 0 in z
0.705 * * * [progress]: simplifying candidates
0.705 * [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))
  (neg (* y z))
  (neg 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))
0.709 * * [simplify]: iteration  0 :  116  enodes  (cost  85 )
0.713 * * [simplify]: iteration  1 :  535  enodes  (cost  70 )
0.724 * * [simplify]: iteration  2 :  2519  enodes  (cost  70 )
0.766 * * [simplify]: iteration  3 :  5001  enodes  (cost  70 )
0.767 * [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))
  (neg (* y z))
  (neg 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))
0.767 * * * [progress]: adding candidates to table
0.792 * [progress]: [Phase 3 of 3] Extracting.
0.795 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+ (- (* (/ 1.0 8.0) x) (/ (* y z) 2.0)) t)
0.796 * * [simplify]: iteration  0 :  16  enodes  (cost  6 )
0.796 * * [simplify]: iteration  1 :  16  enodes  (cost  6 )
0.797 * [simplify]: Simplified to:
   (+ (- (* (/ 1.0 8.0) x) (/ (* y z) 2.0)) t)
2.093 * [regime-testing]: End program error score: 0.028826723653046775
2.187 * [regime-testing]: Target error score: 0.005073754531906633