9.464 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.577 * * * [progress]: [2/2] Setting up program.
0.580 * [progress]: [Phase 2 of 3] Improving.
0.581 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+ (* x y) (* z t))
0.583 * * [simplify]: iteration  0 :  10  enodes  (cost  7 )
0.583 * * [simplify]: iteration  1 :  10  enodes  (cost  7 )
0.583 * [simplify]: Simplified to:
   (+ (* x y) (* z t))
0.583 * * [progress]: iteration 1 / 4
0.583 * * * [progress]: picking best candidate
0.586 * * * * [pick]: Picked  #<alt (λ (x y z t) (+ (* x y) (* z t)))>
0.586 * * * [progress]: localizing error
0.592 * * * [progress]: generating rewritten candidates
0.592 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.595 * * * [progress]: generating series expansions
0.595 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.596 * [approximate]: Taking taylor expansion of (+ (* t z) (* x y)) in (x y z t) around 0
0.596 * [taylor]: Taking taylor expansion of (+ (* t z) (* x y)) in t
0.596 * [taylor]: Taking taylor expansion of (* t z) in t
0.596 * [taylor]: Taking taylor expansion of t in t
0.596 * [taylor]: Taking taylor expansion of z in t
0.596 * [taylor]: Taking taylor expansion of (* x y) in t
0.596 * [taylor]: Taking taylor expansion of x in t
0.596 * [taylor]: Taking taylor expansion of y in t
0.596 * [taylor]: Taking taylor expansion of (+ (* t z) (* x y)) in z
0.596 * [taylor]: Taking taylor expansion of (* t z) in z
0.596 * [taylor]: Taking taylor expansion of t in z
0.596 * [taylor]: Taking taylor expansion of z in z
0.596 * [taylor]: Taking taylor expansion of (* x y) in z
0.596 * [taylor]: Taking taylor expansion of x in z
0.596 * [taylor]: Taking taylor expansion of y in z
0.596 * [taylor]: Taking taylor expansion of (+ (* t z) (* x y)) in y
0.596 * [taylor]: Taking taylor expansion of (* t z) in y
0.596 * [taylor]: Taking taylor expansion of t in y
0.596 * [taylor]: Taking taylor expansion of z in y
0.596 * [taylor]: Taking taylor expansion of (* x y) in y
0.596 * [taylor]: Taking taylor expansion of x in y
0.596 * [taylor]: Taking taylor expansion of y in y
0.596 * [taylor]: Taking taylor expansion of (+ (* t z) (* x y)) in x
0.596 * [taylor]: Taking taylor expansion of (* t z) in x
0.596 * [taylor]: Taking taylor expansion of t in x
0.596 * [taylor]: Taking taylor expansion of z in x
0.596 * [taylor]: Taking taylor expansion of (* x y) in x
0.596 * [taylor]: Taking taylor expansion of x in x
0.596 * [taylor]: Taking taylor expansion of y in x
0.596 * [taylor]: Taking taylor expansion of (+ (* t z) (* x y)) in x
0.596 * [taylor]: Taking taylor expansion of (* t z) in x
0.596 * [taylor]: Taking taylor expansion of t in x
0.596 * [taylor]: Taking taylor expansion of z in x
0.596 * [taylor]: Taking taylor expansion of (* x y) in x
0.596 * [taylor]: Taking taylor expansion of x in x
0.596 * [taylor]: Taking taylor expansion of y in x
0.596 * [taylor]: Taking taylor expansion of (* t z) in y
0.596 * [taylor]: Taking taylor expansion of t in y
0.596 * [taylor]: Taking taylor expansion of z in y
0.596 * [taylor]: Taking taylor expansion of (* t z) in z
0.596 * [taylor]: Taking taylor expansion of t in z
0.596 * [taylor]: Taking taylor expansion of z in z
0.596 * [taylor]: Taking taylor expansion of 0 in t
0.596 * [taylor]: Taking taylor expansion of y in y
0.596 * [taylor]: Taking taylor expansion of 0 in z
0.596 * [taylor]: Taking taylor expansion of 0 in t
0.597 * [taylor]: Taking taylor expansion of 0 in z
0.597 * [taylor]: Taking taylor expansion of 0 in t
0.597 * [taylor]: Taking taylor expansion of t in t
0.597 * [taylor]: Taking taylor expansion of 0 in y
0.597 * [taylor]: Taking taylor expansion of 0 in z
0.597 * [taylor]: Taking taylor expansion of 0 in t
0.597 * [approximate]: Taking taylor expansion of (+ (/ 1 (* t z)) (/ 1 (* x y))) in (x y z t) around 0
0.597 * [taylor]: Taking taylor expansion of (+ (/ 1 (* t z)) (/ 1 (* x y))) in t
0.597 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in t
0.597 * [taylor]: Taking taylor expansion of (* t z) in t
0.597 * [taylor]: Taking taylor expansion of t in t
0.597 * [taylor]: Taking taylor expansion of z in t
0.597 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in t
0.597 * [taylor]: Taking taylor expansion of (* x y) in t
0.597 * [taylor]: Taking taylor expansion of x in t
0.597 * [taylor]: Taking taylor expansion of y in t
0.597 * [taylor]: Taking taylor expansion of (+ (/ 1 (* t z)) (/ 1 (* x y))) in z
0.597 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in z
0.597 * [taylor]: Taking taylor expansion of (* t z) in z
0.597 * [taylor]: Taking taylor expansion of t in z
0.597 * [taylor]: Taking taylor expansion of z in z
0.597 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in z
0.597 * [taylor]: Taking taylor expansion of (* x y) in z
0.597 * [taylor]: Taking taylor expansion of x in z
0.597 * [taylor]: Taking taylor expansion of y in z
0.597 * [taylor]: Taking taylor expansion of (+ (/ 1 (* t z)) (/ 1 (* x y))) in y
0.597 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in y
0.597 * [taylor]: Taking taylor expansion of (* t z) in y
0.597 * [taylor]: Taking taylor expansion of t in y
0.597 * [taylor]: Taking taylor expansion of z in y
0.598 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
0.598 * [taylor]: Taking taylor expansion of (* x y) in y
0.598 * [taylor]: Taking taylor expansion of x in y
0.598 * [taylor]: Taking taylor expansion of y in y
0.598 * [taylor]: Taking taylor expansion of (+ (/ 1 (* t z)) (/ 1 (* x y))) in x
0.598 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in x
0.598 * [taylor]: Taking taylor expansion of (* t z) in x
0.598 * [taylor]: Taking taylor expansion of t in x
0.598 * [taylor]: Taking taylor expansion of z in x
0.598 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.598 * [taylor]: Taking taylor expansion of (* x y) in x
0.598 * [taylor]: Taking taylor expansion of x in x
0.598 * [taylor]: Taking taylor expansion of y in x
0.598 * [taylor]: Taking taylor expansion of (+ (/ 1 (* t z)) (/ 1 (* x y))) in x
0.598 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in x
0.598 * [taylor]: Taking taylor expansion of (* t z) in x
0.598 * [taylor]: Taking taylor expansion of t in x
0.598 * [taylor]: Taking taylor expansion of z in x
0.598 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.598 * [taylor]: Taking taylor expansion of (* x y) in x
0.598 * [taylor]: Taking taylor expansion of x in x
0.598 * [taylor]: Taking taylor expansion of y in x
0.598 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.599 * [taylor]: Taking taylor expansion of y in y
0.599 * [taylor]: Taking taylor expansion of 1 in z
0.599 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in y
0.599 * [taylor]: Taking taylor expansion of (* t z) in y
0.599 * [taylor]: Taking taylor expansion of t in y
0.599 * [taylor]: Taking taylor expansion of z in y
0.599 * [taylor]: Taking taylor expansion of 0 in z
0.599 * [taylor]: Taking taylor expansion of 1 in t
0.599 * [taylor]: Taking taylor expansion of 0 in y
0.599 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in z
0.599 * [taylor]: Taking taylor expansion of (* t z) in z
0.599 * [taylor]: Taking taylor expansion of t in z
0.599 * [taylor]: Taking taylor expansion of z in z
0.599 * [taylor]: Taking taylor expansion of (/ 1 t) in t
0.599 * [taylor]: Taking taylor expansion of t in t
0.599 * [taylor]: Taking taylor expansion of 0 in z
0.599 * [taylor]: Taking taylor expansion of 0 in t
0.599 * [taylor]: Taking taylor expansion of 0 in t
0.600 * [taylor]: Taking taylor expansion of 0 in y
0.600 * [taylor]: Taking taylor expansion of 0 in z
0.600 * [taylor]: Taking taylor expansion of 0 in z
0.600 * [taylor]: Taking taylor expansion of 0 in z
0.600 * [taylor]: Taking taylor expansion of 0 in t
0.600 * [taylor]: Taking taylor expansion of 0 in t
0.600 * [taylor]: Taking taylor expansion of 0 in t
0.600 * [taylor]: Taking taylor expansion of 0 in t
0.600 * [taylor]: Taking taylor expansion of 0 in y
0.600 * [taylor]: Taking taylor expansion of 0 in z
0.601 * [taylor]: Taking taylor expansion of 0 in z
0.601 * [taylor]: Taking taylor expansion of 0 in z
0.601 * [taylor]: Taking taylor expansion of 0 in z
0.601 * [taylor]: Taking taylor expansion of 0 in t
0.601 * [taylor]: Taking taylor expansion of 0 in t
0.601 * [taylor]: Taking taylor expansion of 0 in t
0.601 * [taylor]: Taking taylor expansion of 0 in t
0.601 * [taylor]: Taking taylor expansion of 0 in t
0.601 * [taylor]: Taking taylor expansion of 0 in t
0.601 * [taylor]: Taking taylor expansion of 0 in t
0.601 * [approximate]: Taking taylor expansion of (+ (/ 1 (* t z)) (/ 1 (* x y))) in (x y z t) around 0
0.601 * [taylor]: Taking taylor expansion of (+ (/ 1 (* t z)) (/ 1 (* x y))) in t
0.601 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in t
0.601 * [taylor]: Taking taylor expansion of (* t z) in t
0.601 * [taylor]: Taking taylor expansion of t in t
0.601 * [taylor]: Taking taylor expansion of z in t
0.602 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in t
0.602 * [taylor]: Taking taylor expansion of (* x y) in t
0.602 * [taylor]: Taking taylor expansion of x in t
0.602 * [taylor]: Taking taylor expansion of y in t
0.602 * [taylor]: Taking taylor expansion of (+ (/ 1 (* t z)) (/ 1 (* x y))) in z
0.602 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in z
0.602 * [taylor]: Taking taylor expansion of (* t z) in z
0.602 * [taylor]: Taking taylor expansion of t in z
0.602 * [taylor]: Taking taylor expansion of z in z
0.602 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in z
0.602 * [taylor]: Taking taylor expansion of (* x y) in z
0.602 * [taylor]: Taking taylor expansion of x in z
0.602 * [taylor]: Taking taylor expansion of y in z
0.602 * [taylor]: Taking taylor expansion of (+ (/ 1 (* t z)) (/ 1 (* x y))) in y
0.602 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in y
0.602 * [taylor]: Taking taylor expansion of (* t z) in y
0.602 * [taylor]: Taking taylor expansion of t in y
0.602 * [taylor]: Taking taylor expansion of z in y
0.602 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
0.602 * [taylor]: Taking taylor expansion of (* x y) in y
0.602 * [taylor]: Taking taylor expansion of x in y
0.602 * [taylor]: Taking taylor expansion of y in y
0.602 * [taylor]: Taking taylor expansion of (+ (/ 1 (* t z)) (/ 1 (* x y))) in x
0.602 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in x
0.602 * [taylor]: Taking taylor expansion of (* t z) in x
0.602 * [taylor]: Taking taylor expansion of t in x
0.602 * [taylor]: Taking taylor expansion of z in x
0.602 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.602 * [taylor]: Taking taylor expansion of (* x y) in x
0.602 * [taylor]: Taking taylor expansion of x in x
0.602 * [taylor]: Taking taylor expansion of y in x
0.602 * [taylor]: Taking taylor expansion of (+ (/ 1 (* t z)) (/ 1 (* x y))) in x
0.602 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in x
0.602 * [taylor]: Taking taylor expansion of (* t z) in x
0.602 * [taylor]: Taking taylor expansion of t in x
0.602 * [taylor]: Taking taylor expansion of z in x
0.602 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.602 * [taylor]: Taking taylor expansion of (* x y) in x
0.602 * [taylor]: Taking taylor expansion of x in x
0.602 * [taylor]: Taking taylor expansion of y in x
0.603 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.603 * [taylor]: Taking taylor expansion of y in y
0.603 * [taylor]: Taking taylor expansion of 1 in z
0.603 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in y
0.603 * [taylor]: Taking taylor expansion of (* t z) in y
0.603 * [taylor]: Taking taylor expansion of t in y
0.603 * [taylor]: Taking taylor expansion of z in y
0.603 * [taylor]: Taking taylor expansion of 0 in z
0.603 * [taylor]: Taking taylor expansion of 1 in t
0.603 * [taylor]: Taking taylor expansion of 0 in y
0.603 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in z
0.603 * [taylor]: Taking taylor expansion of (* t z) in z
0.603 * [taylor]: Taking taylor expansion of t in z
0.603 * [taylor]: Taking taylor expansion of z in z
0.603 * [taylor]: Taking taylor expansion of (/ 1 t) in t
0.603 * [taylor]: Taking taylor expansion of t in t
0.603 * [taylor]: Taking taylor expansion of 0 in z
0.603 * [taylor]: Taking taylor expansion of 0 in t
0.603 * [taylor]: Taking taylor expansion of 0 in t
0.604 * [taylor]: Taking taylor expansion of 0 in y
0.604 * [taylor]: Taking taylor expansion of 0 in z
0.604 * [taylor]: Taking taylor expansion of 0 in z
0.604 * [taylor]: Taking taylor expansion of 0 in z
0.604 * [taylor]: Taking taylor expansion of 0 in t
0.604 * [taylor]: Taking taylor expansion of 0 in t
0.604 * [taylor]: Taking taylor expansion of 0 in t
0.604 * [taylor]: Taking taylor expansion of 0 in t
0.604 * [taylor]: Taking taylor expansion of 0 in y
0.605 * [taylor]: Taking taylor expansion of 0 in z
0.605 * [taylor]: Taking taylor expansion of 0 in z
0.605 * [taylor]: Taking taylor expansion of 0 in z
0.605 * [taylor]: Taking taylor expansion of 0 in z
0.605 * [taylor]: Taking taylor expansion of 0 in t
0.605 * [taylor]: Taking taylor expansion of 0 in t
0.605 * [taylor]: Taking taylor expansion of 0 in t
0.605 * [taylor]: Taking taylor expansion of 0 in t
0.605 * [taylor]: Taking taylor expansion of 0 in t
0.605 * [taylor]: Taking taylor expansion of 0 in t
0.605 * [taylor]: Taking taylor expansion of 0 in t
0.605 * * * [progress]: simplifying candidates
0.606 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* (exp (* x y)) (exp (* z t)))
  (log (+ (* x y) (* z t)))
  (exp (+ (* x y) (* z t)))
  (* (cbrt (+ (* x y) (* z t))) (cbrt (+ (* x y) (* z t))))
  (cbrt (+ (* x y) (* z t)))
  (* (* (+ (* x y) (* z t)) (+ (* x y) (* z t))) (+ (* x y) (* z t)))
  (sqrt (+ (* x y) (* z t)))
  (sqrt (+ (* x y) (* z t)))
  (+ (pow (* x y) 3) (pow (* z t) 3))
  (+ (* (* x y) (* x y)) (- (* (* z t) (* z t)) (* (* x y) (* z t))))
  (- (* (* x y) (* x y)) (* (* z t) (* z t)))
  (- (* x y) (* z t))
  0
  (+ (* t z) (* x y))
  (+ (* t z) (* x y))
0.674 * * [simplify]: iteration  0 :  4873  enodes  (cost  141 )
0.674 * * [simplify]: iteration  1 :  4873  enodes  (cost  141 )
0.675 * [simplify]: Simplified to:
   (exp (+ (* x y) (* z t)))
  (log (+ (* x y) (* z t)))
  (exp (+ (* x y) (* z t)))
  (* (cbrt (+ (* x y) (* z t))) (cbrt (+ (* x y) (* z t))))
  (cbrt (+ (* x y) (* z t)))
  (pow (+ (* x y) (* z t)) 3)
  (sqrt (+ (* x y) (* z t)))
  (sqrt (+ (* x y) (* z t)))
  (+ (pow (* x y) 3) (pow (* z t) 3))
  (+ (* x (* x (* y y))) (* z (* t (- (* z t) (* x y)))))
  (- (* x (* x (* y y))) (* z (* z (* t t))))
  (- (* x y) (* z t))
  0
  (+ (* x y) (* z t))
  (+ (* x y) (* z t))
0.675 * * * [progress]: adding candidates to table
0.690 * [progress]: [Phase 3 of 3] Extracting.
0.694 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+ (* x y) (* z t))
0.695 * * [simplify]: iteration  0 :  10  enodes  (cost  7 )
0.695 * * [simplify]: iteration  1 :  10  enodes  (cost  7 )
0.695 * [simplify]: Simplified to:
   (+ (* x y) (* z t))
1.441 * [regime-testing]: End program error score: 0.010949488998714984