8.280 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.025 * * * [progress]: [2/2] Setting up program.
0.027 * [progress]: [Phase 2 of 3] Improving.
0.027 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+ (* x y) (* z t))
0.030 * * [simplify]: iteration  0 :  11  enodes  (cost  2 )
0.031 * * [simplify]: iteration  1 :  14  enodes  (cost  2 )
0.032 * * [simplify]: iteration  2 :  14  enodes  (cost  2 )
0.032 * [simplify]: Simplified to:
   (fma x y (* z t))
0.036 * * [progress]: iteration 1 / 4
0.036 * * * [progress]: picking best candidate
0.037 * * * * [pick]: Picked  #<alt (λ (x y z t) (+ (* x y) (* z t)))>
0.037 * * * [progress]: localizing error
0.043 * * * [progress]: generating rewritten candidates
0.043 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.046 * * * [progress]: generating series expansions
0.046 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.046 * [approximate]: Taking taylor expansion of (+ (* t z) (* x y)) in (x y z t) around 0
0.046 * [taylor]: Taking taylor expansion of (+ (* t z) (* x y)) in t
0.046 * [taylor]: Taking taylor expansion of (* t z) in t
0.046 * [taylor]: Taking taylor expansion of t in t
0.046 * [taylor]: Taking taylor expansion of z in t
0.046 * [taylor]: Taking taylor expansion of (* x y) in t
0.046 * [taylor]: Taking taylor expansion of x in t
0.046 * [taylor]: Taking taylor expansion of y in t
0.046 * [taylor]: Taking taylor expansion of (+ (* t z) (* x y)) in z
0.046 * [taylor]: Taking taylor expansion of (* t z) in z
0.046 * [taylor]: Taking taylor expansion of t in z
0.046 * [taylor]: Taking taylor expansion of z in z
0.046 * [taylor]: Taking taylor expansion of (* x y) in z
0.046 * [taylor]: Taking taylor expansion of x in z
0.046 * [taylor]: Taking taylor expansion of y in z
0.046 * [taylor]: Taking taylor expansion of (+ (* t z) (* x y)) in y
0.046 * [taylor]: Taking taylor expansion of (* t z) in y
0.046 * [taylor]: Taking taylor expansion of t in y
0.046 * [taylor]: Taking taylor expansion of z in y
0.046 * [taylor]: Taking taylor expansion of (* x y) in y
0.046 * [taylor]: Taking taylor expansion of x in y
0.046 * [taylor]: Taking taylor expansion of y in y
0.046 * [taylor]: Taking taylor expansion of (+ (* t z) (* x y)) in x
0.046 * [taylor]: Taking taylor expansion of (* t z) in x
0.046 * [taylor]: Taking taylor expansion of t in x
0.046 * [taylor]: Taking taylor expansion of z in x
0.046 * [taylor]: Taking taylor expansion of (* x y) in x
0.046 * [taylor]: Taking taylor expansion of x in x
0.046 * [taylor]: Taking taylor expansion of y in x
0.046 * [taylor]: Taking taylor expansion of (+ (* t z) (* x y)) in x
0.046 * [taylor]: Taking taylor expansion of (* t z) in x
0.046 * [taylor]: Taking taylor expansion of t in x
0.046 * [taylor]: Taking taylor expansion of z in x
0.046 * [taylor]: Taking taylor expansion of (* x y) in x
0.046 * [taylor]: Taking taylor expansion of x in x
0.047 * [taylor]: Taking taylor expansion of y in x
0.047 * [taylor]: Taking taylor expansion of (* t z) in y
0.047 * [taylor]: Taking taylor expansion of t in y
0.047 * [taylor]: Taking taylor expansion of z in y
0.047 * [taylor]: Taking taylor expansion of (* t z) in z
0.047 * [taylor]: Taking taylor expansion of t in z
0.047 * [taylor]: Taking taylor expansion of z in z
0.047 * [taylor]: Taking taylor expansion of 0 in t
0.047 * [taylor]: Taking taylor expansion of y in y
0.047 * [taylor]: Taking taylor expansion of 0 in z
0.047 * [taylor]: Taking taylor expansion of 0 in t
0.047 * [taylor]: Taking taylor expansion of 0 in z
0.047 * [taylor]: Taking taylor expansion of 0 in t
0.048 * [taylor]: Taking taylor expansion of t in t
0.049 * [taylor]: Taking taylor expansion of 0 in y
0.049 * [taylor]: Taking taylor expansion of 0 in z
0.049 * [taylor]: Taking taylor expansion of 0 in t
0.049 * [approximate]: Taking taylor expansion of (+ (/ 1 (* t z)) (/ 1 (* x y))) in (x y z t) around 0
0.049 * [taylor]: Taking taylor expansion of (+ (/ 1 (* t z)) (/ 1 (* x y))) in t
0.049 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in t
0.049 * [taylor]: Taking taylor expansion of (* t z) in t
0.049 * [taylor]: Taking taylor expansion of t in t
0.049 * [taylor]: Taking taylor expansion of z in t
0.050 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in t
0.050 * [taylor]: Taking taylor expansion of (* x y) in t
0.050 * [taylor]: Taking taylor expansion of x in t
0.050 * [taylor]: Taking taylor expansion of y in t
0.050 * [taylor]: Taking taylor expansion of (+ (/ 1 (* t z)) (/ 1 (* x y))) in z
0.050 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in z
0.050 * [taylor]: Taking taylor expansion of (* t z) in z
0.050 * [taylor]: Taking taylor expansion of t in z
0.050 * [taylor]: Taking taylor expansion of z in z
0.050 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in z
0.050 * [taylor]: Taking taylor expansion of (* x y) in z
0.050 * [taylor]: Taking taylor expansion of x in z
0.050 * [taylor]: Taking taylor expansion of y in z
0.050 * [taylor]: Taking taylor expansion of (+ (/ 1 (* t z)) (/ 1 (* x y))) in y
0.050 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in y
0.050 * [taylor]: Taking taylor expansion of (* t z) in y
0.050 * [taylor]: Taking taylor expansion of t in y
0.050 * [taylor]: Taking taylor expansion of z in y
0.050 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
0.050 * [taylor]: Taking taylor expansion of (* x y) in y
0.050 * [taylor]: Taking taylor expansion of x in y
0.050 * [taylor]: Taking taylor expansion of y in y
0.051 * [taylor]: Taking taylor expansion of (+ (/ 1 (* t z)) (/ 1 (* x y))) in x
0.051 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in x
0.051 * [taylor]: Taking taylor expansion of (* t z) in x
0.051 * [taylor]: Taking taylor expansion of t in x
0.051 * [taylor]: Taking taylor expansion of z in x
0.051 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.051 * [taylor]: Taking taylor expansion of (* x y) in x
0.051 * [taylor]: Taking taylor expansion of x in x
0.051 * [taylor]: Taking taylor expansion of y in x
0.051 * [taylor]: Taking taylor expansion of (+ (/ 1 (* t z)) (/ 1 (* x y))) in x
0.051 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in x
0.051 * [taylor]: Taking taylor expansion of (* t z) in x
0.051 * [taylor]: Taking taylor expansion of t in x
0.051 * [taylor]: Taking taylor expansion of z in x
0.051 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.051 * [taylor]: Taking taylor expansion of (* x y) in x
0.051 * [taylor]: Taking taylor expansion of x in x
0.051 * [taylor]: Taking taylor expansion of y in x
0.052 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.052 * [taylor]: Taking taylor expansion of y in y
0.052 * [taylor]: Taking taylor expansion of 1 in z
0.053 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in y
0.053 * [taylor]: Taking taylor expansion of (* t z) in y
0.053 * [taylor]: Taking taylor expansion of t in y
0.053 * [taylor]: Taking taylor expansion of z in y
0.053 * [taylor]: Taking taylor expansion of 0 in z
0.053 * [taylor]: Taking taylor expansion of 1 in t
0.055 * [taylor]: Taking taylor expansion of 0 in y
0.055 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in z
0.055 * [taylor]: Taking taylor expansion of (* t z) in z
0.055 * [taylor]: Taking taylor expansion of t in z
0.055 * [taylor]: Taking taylor expansion of z in z
0.055 * [taylor]: Taking taylor expansion of (/ 1 t) in t
0.055 * [taylor]: Taking taylor expansion of t in t
0.056 * [taylor]: Taking taylor expansion of 0 in z
0.056 * [taylor]: Taking taylor expansion of 0 in t
0.056 * [taylor]: Taking taylor expansion of 0 in t
0.058 * [taylor]: Taking taylor expansion of 0 in y
0.058 * [taylor]: Taking taylor expansion of 0 in z
0.058 * [taylor]: Taking taylor expansion of 0 in z
0.058 * [taylor]: Taking taylor expansion of 0 in z
0.059 * [taylor]: Taking taylor expansion of 0 in t
0.059 * [taylor]: Taking taylor expansion of 0 in t
0.059 * [taylor]: Taking taylor expansion of 0 in t
0.059 * [taylor]: Taking taylor expansion of 0 in t
0.062 * [taylor]: Taking taylor expansion of 0 in y
0.062 * [taylor]: Taking taylor expansion of 0 in z
0.062 * [taylor]: Taking taylor expansion of 0 in z
0.062 * [taylor]: Taking taylor expansion of 0 in z
0.063 * [taylor]: Taking taylor expansion of 0 in z
0.063 * [taylor]: Taking taylor expansion of 0 in t
0.063 * [taylor]: Taking taylor expansion of 0 in t
0.063 * [taylor]: Taking taylor expansion of 0 in t
0.063 * [taylor]: Taking taylor expansion of 0 in t
0.063 * [taylor]: Taking taylor expansion of 0 in t
0.063 * [taylor]: Taking taylor expansion of 0 in t
0.063 * [taylor]: Taking taylor expansion of 0 in t
0.064 * [approximate]: Taking taylor expansion of (+ (/ 1 (* t z)) (/ 1 (* x y))) in (x y z t) around 0
0.064 * [taylor]: Taking taylor expansion of (+ (/ 1 (* t z)) (/ 1 (* x y))) in t
0.064 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in t
0.064 * [taylor]: Taking taylor expansion of (* t z) in t
0.064 * [taylor]: Taking taylor expansion of t in t
0.064 * [taylor]: Taking taylor expansion of z in t
0.065 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in t
0.065 * [taylor]: Taking taylor expansion of (* x y) in t
0.065 * [taylor]: Taking taylor expansion of x in t
0.065 * [taylor]: Taking taylor expansion of y in t
0.065 * [taylor]: Taking taylor expansion of (+ (/ 1 (* t z)) (/ 1 (* x y))) in z
0.065 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in z
0.065 * [taylor]: Taking taylor expansion of (* t z) in z
0.065 * [taylor]: Taking taylor expansion of t in z
0.065 * [taylor]: Taking taylor expansion of z in z
0.065 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in z
0.065 * [taylor]: Taking taylor expansion of (* x y) in z
0.065 * [taylor]: Taking taylor expansion of x in z
0.065 * [taylor]: Taking taylor expansion of y in z
0.065 * [taylor]: Taking taylor expansion of (+ (/ 1 (* t z)) (/ 1 (* x y))) in y
0.065 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in y
0.065 * [taylor]: Taking taylor expansion of (* t z) in y
0.065 * [taylor]: Taking taylor expansion of t in y
0.065 * [taylor]: Taking taylor expansion of z in y
0.065 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
0.065 * [taylor]: Taking taylor expansion of (* x y) in y
0.065 * [taylor]: Taking taylor expansion of x in y
0.065 * [taylor]: Taking taylor expansion of y in y
0.066 * [taylor]: Taking taylor expansion of (+ (/ 1 (* t z)) (/ 1 (* x y))) in x
0.066 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in x
0.066 * [taylor]: Taking taylor expansion of (* t z) in x
0.066 * [taylor]: Taking taylor expansion of t in x
0.066 * [taylor]: Taking taylor expansion of z in x
0.066 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.066 * [taylor]: Taking taylor expansion of (* x y) in x
0.066 * [taylor]: Taking taylor expansion of x in x
0.066 * [taylor]: Taking taylor expansion of y in x
0.066 * [taylor]: Taking taylor expansion of (+ (/ 1 (* t z)) (/ 1 (* x y))) in x
0.066 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in x
0.066 * [taylor]: Taking taylor expansion of (* t z) in x
0.066 * [taylor]: Taking taylor expansion of t in x
0.067 * [taylor]: Taking taylor expansion of z in x
0.067 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.067 * [taylor]: Taking taylor expansion of (* x y) in x
0.067 * [taylor]: Taking taylor expansion of x in x
0.067 * [taylor]: Taking taylor expansion of y in x
0.067 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.067 * [taylor]: Taking taylor expansion of y in y
0.067 * [taylor]: Taking taylor expansion of 1 in z
0.068 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in y
0.068 * [taylor]: Taking taylor expansion of (* t z) in y
0.068 * [taylor]: Taking taylor expansion of t in y
0.068 * [taylor]: Taking taylor expansion of z in y
0.069 * [taylor]: Taking taylor expansion of 0 in z
0.069 * [taylor]: Taking taylor expansion of 1 in t
0.070 * [taylor]: Taking taylor expansion of 0 in y
0.070 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in z
0.070 * [taylor]: Taking taylor expansion of (* t z) in z
0.070 * [taylor]: Taking taylor expansion of t in z
0.070 * [taylor]: Taking taylor expansion of z in z
0.070 * [taylor]: Taking taylor expansion of (/ 1 t) in t
0.070 * [taylor]: Taking taylor expansion of t in t
0.071 * [taylor]: Taking taylor expansion of 0 in z
0.071 * [taylor]: Taking taylor expansion of 0 in t
0.071 * [taylor]: Taking taylor expansion of 0 in t
0.073 * [taylor]: Taking taylor expansion of 0 in y
0.073 * [taylor]: Taking taylor expansion of 0 in z
0.073 * [taylor]: Taking taylor expansion of 0 in z
0.074 * [taylor]: Taking taylor expansion of 0 in z
0.074 * [taylor]: Taking taylor expansion of 0 in t
0.074 * [taylor]: Taking taylor expansion of 0 in t
0.074 * [taylor]: Taking taylor expansion of 0 in t
0.074 * [taylor]: Taking taylor expansion of 0 in t
0.077 * [taylor]: Taking taylor expansion of 0 in y
0.077 * [taylor]: Taking taylor expansion of 0 in z
0.077 * [taylor]: Taking taylor expansion of 0 in z
0.078 * [taylor]: Taking taylor expansion of 0 in z
0.078 * [taylor]: Taking taylor expansion of 0 in z
0.078 * [taylor]: Taking taylor expansion of 0 in t
0.078 * [taylor]: Taking taylor expansion of 0 in t
0.078 * [taylor]: Taking taylor expansion of 0 in t
0.079 * [taylor]: Taking taylor expansion of 0 in t
0.079 * [taylor]: Taking taylor expansion of 0 in t
0.079 * [taylor]: Taking taylor expansion of 0 in t
0.079 * [taylor]: Taking taylor expansion of 0 in t
0.079 * * * [progress]: simplifying candidates
0.080 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (expm1 (+ (* x y) (* z t)))
  (log1p (+ (* x y) (* z t)))
  (* (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))
0.086 * * [simplify]: iteration  0 :  108  enodes  (cost  78 )
0.090 * * [simplify]: iteration  1 :  402  enodes  (cost  68 )
0.098 * * [simplify]: iteration  2 :  1282  enodes  (cost  68 )
0.126 * * [simplify]: iteration  3 :  3948  enodes  (cost  68 )
0.211 * * [simplify]: iteration  4 :  5001  enodes  (cost  68 )
0.212 * [simplify]: Simplified to:
   (expm1 (+ (* x y) (* z t)))
  (log1p (+ (* x y) (* z t)))
  (exp (fma t z (* x y)))
  (log (+ (* x y) (* z t)))
  (exp (fma t z (* x y)))
  (* (cbrt (+ (* x y) (* z t))) (cbrt (+ (* x y) (* z t))))
  (cbrt (+ (* x y) (* z t)))
  (pow (fma t z (* x y)) 3)
  (sqrt (+ (* x y) (* z t)))
  (sqrt (+ (* x y) (* z t)))
  (+ (pow (* x y) 3) (pow (* z t) 3))
  (fma (* x x) (* y y) (* (* z t) (- (* z t) (* x y))))
  (* (fma x y (* z t)) (- (* x y) (* z t)))
  (- (* x y) (* z t))
  0
  (fma t z (* x y))
  (fma t z (* x y))
0.212 * * * [progress]: adding candidates to table
0.249 * * [progress]: iteration 2 / 4
0.249 * * * [progress]: picking best candidate
0.250 * * * * [pick]: Picked  #<alt (λ (x y z t) (fma t z (* x y)))>
0.251 * * * [progress]: localizing error
0.256 * * * [progress]: generating rewritten candidates
0.256 * * * [progress]: generating series expansions
0.256 * * * [progress]: simplifying candidates
0.256 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   
0.258 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
0.258 * [simplify]: Simplified to:
   
0.258 * * * [progress]: adding candidates to table
0.258 * [progress]: [Phase 3 of 3] Extracting.
0.260 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (fma t z (* x y))
0.261 * * [simplify]: iteration  0 :  7  enodes  (cost  2 )
0.261 * * [simplify]: iteration  1 :  7  enodes  (cost  2 )
0.261 * [simplify]: Simplified to:
   (fma t z (* x y))
1.258 * [regime-testing]: End program error score: 0.005896977747398714