29.952 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.024 * * * [progress]: [2/2] Setting up program.
0.026 * [progress]: [Phase 2 of 3] Improving.
0.026 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+ (- (* (/ 1.0 8.0) x) (/ (* y z) 2.0)) t)
0.029 * * [simplify]: iteration  0 :  25  enodes  (cost  6 )
0.031 * * [simplify]: iteration  1 :  50  enodes  (cost  6 )
0.033 * * [simplify]: iteration  2 :  80  enodes  (cost  6 )
0.036 * * [simplify]: iteration  3 :  122  enodes  (cost  6 )
0.039 * * [simplify]: iteration  4 :  171  enodes  (cost  5 )
0.042 * * [simplify]: iteration  5 :  230  enodes  (cost  5 )
0.045 * * [simplify]: iteration  6 :  267  enodes  (cost  5 )
0.049 * * [simplify]: iteration  7 :  370  enodes  (cost  5 )
0.055 * * [simplify]: iteration  8 :  522  enodes  (cost  5 )
0.061 * * [simplify]: iteration  9 :  820  enodes  (cost  5 )
0.066 * * [simplify]: iteration  10 :  820  enodes  (cost  5 )
0.066 * [simplify]: Simplified to:
   (fma (/ x 8.0) 1.0 (fma (- (/ y 2.0)) z t))
0.070 * * [progress]: iteration 1 / 4
0.070 * * * [progress]: picking best candidate
0.073 * * * * [pick]: Picked  #<alt (λ (x y z t) (+ (- (* (/ 1.0 8.0) x) (/ (* y z) 2.0)) t))>
0.073 * * * [progress]: localizing error
0.082 * * * [progress]: generating rewritten candidates
0.082 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1 2)
0.087 * * * [progress]: generating series expansions
0.087 * * * * [progress]: [ 1 / 1 ] generating series at (2 1 2)
0.088 * [approximate]: Taking taylor expansion of (* 0.5 (* z y)) in (y z) around 0
0.088 * [taylor]: Taking taylor expansion of (* 0.5 (* z y)) in z
0.088 * [taylor]: Taking taylor expansion of 0.5 in z
0.088 * [taylor]: Taking taylor expansion of (* z y) in z
0.088 * [taylor]: Taking taylor expansion of z in z
0.088 * [taylor]: Taking taylor expansion of y in z
0.088 * [taylor]: Taking taylor expansion of (* 0.5 (* z y)) in y
0.088 * [taylor]: Taking taylor expansion of 0.5 in y
0.088 * [taylor]: Taking taylor expansion of (* z y) in y
0.088 * [taylor]: Taking taylor expansion of z in y
0.088 * [taylor]: Taking taylor expansion of y in y
0.088 * [taylor]: Taking taylor expansion of (* 0.5 (* z y)) in y
0.088 * [taylor]: Taking taylor expansion of 0.5 in y
0.088 * [taylor]: Taking taylor expansion of (* z y) in y
0.088 * [taylor]: Taking taylor expansion of z in y
0.088 * [taylor]: Taking taylor expansion of y in y
0.088 * [taylor]: Taking taylor expansion of 0 in z
0.089 * [taylor]: Taking taylor expansion of (* 0.5 z) in z
0.089 * [taylor]: Taking taylor expansion of 0.5 in z
0.089 * [taylor]: Taking taylor expansion of z in z
0.090 * [taylor]: Taking taylor expansion of 0 in z
0.093 * [taylor]: Taking taylor expansion of 0 in z
0.095 * [taylor]: Taking taylor expansion of 0 in z
0.095 * [approximate]: Taking taylor expansion of (/ 0.5 (* z y)) in (y z) around 0
0.095 * [taylor]: Taking taylor expansion of (/ 0.5 (* z y)) in z
0.095 * [taylor]: Taking taylor expansion of 0.5 in z
0.095 * [taylor]: Taking taylor expansion of (* z y) in z
0.095 * [taylor]: Taking taylor expansion of z in z
0.095 * [taylor]: Taking taylor expansion of y in z
0.096 * [taylor]: Taking taylor expansion of (/ 0.5 (* z y)) in y
0.096 * [taylor]: Taking taylor expansion of 0.5 in y
0.096 * [taylor]: Taking taylor expansion of (* z y) in y
0.096 * [taylor]: Taking taylor expansion of z in y
0.096 * [taylor]: Taking taylor expansion of y in y
0.096 * [taylor]: Taking taylor expansion of (/ 0.5 (* z y)) in y
0.096 * [taylor]: Taking taylor expansion of 0.5 in y
0.096 * [taylor]: Taking taylor expansion of (* z y) in y
0.096 * [taylor]: Taking taylor expansion of z in y
0.096 * [taylor]: Taking taylor expansion of y in y
0.097 * [taylor]: Taking taylor expansion of (/ 0.5 z) in z
0.097 * [taylor]: Taking taylor expansion of 0.5 in z
0.097 * [taylor]: Taking taylor expansion of z in z
0.097 * [taylor]: Taking taylor expansion of 0 in z
0.099 * [taylor]: Taking taylor expansion of 0 in z
0.100 * [taylor]: Taking taylor expansion of 0 in z
0.101 * [approximate]: Taking taylor expansion of (/ 0.5 (* z y)) in (y z) around 0
0.101 * [taylor]: Taking taylor expansion of (/ 0.5 (* z y)) in z
0.101 * [taylor]: Taking taylor expansion of 0.5 in z
0.101 * [taylor]: Taking taylor expansion of (* z y) in z
0.101 * [taylor]: Taking taylor expansion of z in z
0.101 * [taylor]: Taking taylor expansion of y in z
0.101 * [taylor]: Taking taylor expansion of (/ 0.5 (* z y)) in y
0.101 * [taylor]: Taking taylor expansion of 0.5 in y
0.101 * [taylor]: Taking taylor expansion of (* z y) in y
0.101 * [taylor]: Taking taylor expansion of z in y
0.101 * [taylor]: Taking taylor expansion of y in y
0.102 * [taylor]: Taking taylor expansion of (/ 0.5 (* z y)) in y
0.102 * [taylor]: Taking taylor expansion of 0.5 in y
0.102 * [taylor]: Taking taylor expansion of (* z y) in y
0.102 * [taylor]: Taking taylor expansion of z in y
0.102 * [taylor]: Taking taylor expansion of y in y
0.102 * [taylor]: Taking taylor expansion of (/ 0.5 z) in z
0.102 * [taylor]: Taking taylor expansion of 0.5 in z
0.102 * [taylor]: Taking taylor expansion of z in z
0.103 * [taylor]: Taking taylor expansion of 0 in z
0.104 * [taylor]: Taking taylor expansion of 0 in z
0.106 * [taylor]: Taking taylor expansion of 0 in z
0.107 * * * [progress]: simplifying candidates
0.107 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (expm1 (/ (* y z) 2.0))
  (log1p (/ (* y z) 2.0))
  (- (+ (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))
0.111 * * [simplify]: iteration  0 :  118  enodes  (cost  91 )
0.115 * * [simplify]: iteration  1 :  537  enodes  (cost  76 )
0.126 * * [simplify]: iteration  2 :  2521  enodes  (cost  76 )
0.170 * * [simplify]: iteration  3 :  5001  enodes  (cost  76 )
0.171 * [simplify]: Simplified to:
   (expm1 (/ (* y z) 2.0))
  (log1p (/ (* y z) 2.0))
  (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))
0.171 * * * [progress]: adding candidates to table
0.234 * [progress]: [Phase 3 of 3] Extracting.
0.238 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+ (- (* (/ 1.0 8.0) x) (/ (* y z) 2.0)) t)
0.239 * * [simplify]: iteration  0 :  16  enodes  (cost  6 )
0.239 * * [simplify]: iteration  1 :  16  enodes  (cost  6 )
0.239 * [simplify]: Simplified to:
   (+ (- (* (/ 1.0 8.0) x) (/ (* y z) 2.0)) t)
0.847 * [regime-testing]: End program error score: 0.022252781597699712
0.870 * [regime-testing]: Target error score: 0.006250781347668459