1.607 * [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.
0.027 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (+ (+ (* x y) (* z t)) (* a b))
0.028 * * [simplify]: iteration  0 :  11  enodes  (cost  11 )
0.029 * * [simplify]: iteration  1 :  19  enodes  (cost  10 )
0.031 * * [simplify]: iteration  2 :  34  enodes  (cost  9 )
0.035 * * [simplify]: iteration  3 :  43  enodes  (cost  9 )
0.039 * * [simplify]: iteration  done :  43  enodes  (cost  9 )
0.039 * [simplify]: Simplified to:
   (fma a b (fma x y (* z t)))
0.042 * * [progress]: iteration 1 / 4
0.043 * * * [progress]: picking best candidate
0.045 * * * * [pick]: Picked  #<alt (λ (x y z t a b) (fma a b (fma x y (* z t))))>
0.045 * * * [progress]: localizing error
0.053 * * * [progress]: generating rewritten candidates
0.053 * * * * [progress]: [ 1 / 1 ] rewriting at (2 3)
0.053 * * * [progress]: generating series expansions
0.053 * * * * [progress]: [ 1 / 1 ] generating series at (2 3)
0.053 * [approximate]: Taking taylor expansion of (fma x y (* t z)) in (x y z t) around 0
0.053 * [taylor]: Taking taylor expansion of (fma x y (* t z)) in t
0.054 * [taylor]: Rewrote expression to (+ (* x y) (* t z))
0.054 * [taylor]: Taking taylor expansion of (* x y) in t
0.054 * [taylor]: Taking taylor expansion of x in t
0.054 * [taylor]: Taking taylor expansion of y in t
0.054 * [taylor]: Taking taylor expansion of (* t z) in t
0.054 * [taylor]: Taking taylor expansion of t in t
0.054 * [taylor]: Taking taylor expansion of z in t
0.054 * [taylor]: Taking taylor expansion of (fma x y (* t z)) in z
0.054 * [taylor]: Rewrote expression to (+ (* x y) (* t z))
0.054 * [taylor]: Taking taylor expansion of (* x y) in z
0.054 * [taylor]: Taking taylor expansion of x in z
0.054 * [taylor]: Taking taylor expansion of y in z
0.054 * [taylor]: Taking taylor expansion of (* t z) in z
0.054 * [taylor]: Taking taylor expansion of t in z
0.054 * [taylor]: Taking taylor expansion of z in z
0.054 * [taylor]: Taking taylor expansion of (fma x y (* t z)) in y
0.054 * [taylor]: Rewrote expression to (+ (* x y) (* t z))
0.054 * [taylor]: Taking taylor expansion of (* x y) in y
0.054 * [taylor]: Taking taylor expansion of x in y
0.054 * [taylor]: Taking taylor expansion of y in y
0.054 * [taylor]: Taking taylor expansion of (* t z) in y
0.054 * [taylor]: Taking taylor expansion of t in y
0.054 * [taylor]: Taking taylor expansion of z in y
0.054 * [taylor]: Taking taylor expansion of (fma x y (* t z)) in x
0.054 * [taylor]: Rewrote expression to (+ (* x y) (* t z))
0.054 * [taylor]: Taking taylor expansion of (* x y) in x
0.054 * [taylor]: Taking taylor expansion of x in x
0.054 * [taylor]: Taking taylor expansion of y in x
0.054 * [taylor]: Taking taylor expansion of (* t z) in x
0.054 * [taylor]: Taking taylor expansion of t in x
0.054 * [taylor]: Taking taylor expansion of z in x
0.054 * [taylor]: Taking taylor expansion of (fma x y (* t z)) in x
0.054 * [taylor]: Rewrote expression to (+ (* x y) (* t z))
0.054 * [taylor]: Taking taylor expansion of (* x y) in x
0.054 * [taylor]: Taking taylor expansion of x in x
0.054 * [taylor]: Taking taylor expansion of y in x
0.054 * [taylor]: Taking taylor expansion of (* t z) in x
0.054 * [taylor]: Taking taylor expansion of t in x
0.054 * [taylor]: Taking taylor expansion of z in x
0.055 * [taylor]: Taking taylor expansion of (* t z) in y
0.055 * [taylor]: Taking taylor expansion of t in y
0.055 * [taylor]: Taking taylor expansion of z in y
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 0 in t
0.055 * [taylor]: Taking taylor expansion of y in y
0.055 * [taylor]: Taking taylor expansion of 0 in z
0.055 * [taylor]: Taking taylor expansion of 0 in t
0.055 * [taylor]: Taking taylor expansion of 0 in z
0.055 * [taylor]: Taking taylor expansion of 0 in t
0.056 * [taylor]: Taking taylor expansion of t in t
0.057 * [taylor]: Taking taylor expansion of 0 in y
0.057 * [taylor]: Taking taylor expansion of 0 in z
0.057 * [taylor]: Taking taylor expansion of 0 in t
0.057 * [approximate]: Taking taylor expansion of (fma (/ 1 x) (/ 1 y) (/ 1 (* t z))) in (x y z t) around 0
0.057 * [taylor]: Taking taylor expansion of (fma (/ 1 x) (/ 1 y) (/ 1 (* t z))) in t
0.057 * [taylor]: Rewrote expression to (+ (* (/ 1 x) (/ 1 y)) (/ 1 (* t z)))
0.057 * [taylor]: Taking taylor expansion of (* (/ 1 x) (/ 1 y)) in t
0.057 * [taylor]: Taking taylor expansion of (/ 1 x) in t
0.057 * [taylor]: Taking taylor expansion of x in t
0.057 * [taylor]: Taking taylor expansion of (/ 1 y) in t
0.057 * [taylor]: Taking taylor expansion of y in t
0.057 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in t
0.057 * [taylor]: Taking taylor expansion of (* t z) in t
0.057 * [taylor]: Taking taylor expansion of t in t
0.057 * [taylor]: Taking taylor expansion of z in t
0.058 * [taylor]: Taking taylor expansion of (fma (/ 1 x) (/ 1 y) (/ 1 (* t z))) in z
0.058 * [taylor]: Rewrote expression to (+ (* (/ 1 x) (/ 1 y)) (/ 1 (* t z)))
0.058 * [taylor]: Taking taylor expansion of (* (/ 1 x) (/ 1 y)) in z
0.058 * [taylor]: Taking taylor expansion of (/ 1 x) in z
0.058 * [taylor]: Taking taylor expansion of x in z
0.058 * [taylor]: Taking taylor expansion of (/ 1 y) in z
0.058 * [taylor]: Taking taylor expansion of y in z
0.058 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in z
0.058 * [taylor]: Taking taylor expansion of (* t z) in z
0.058 * [taylor]: Taking taylor expansion of t in z
0.058 * [taylor]: Taking taylor expansion of z in z
0.058 * [taylor]: Taking taylor expansion of (fma (/ 1 x) (/ 1 y) (/ 1 (* t z))) in y
0.058 * [taylor]: Rewrote expression to (+ (* (/ 1 x) (/ 1 y)) (/ 1 (* t z)))
0.058 * [taylor]: Taking taylor expansion of (* (/ 1 x) (/ 1 y)) in y
0.058 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.058 * [taylor]: Taking taylor expansion of x in y
0.058 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.058 * [taylor]: Taking taylor expansion of y in y
0.059 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in y
0.059 * [taylor]: Taking taylor expansion of (* t z) in y
0.059 * [taylor]: Taking taylor expansion of t in y
0.059 * [taylor]: Taking taylor expansion of z in y
0.059 * [taylor]: Taking taylor expansion of (fma (/ 1 x) (/ 1 y) (/ 1 (* t z))) in x
0.059 * [taylor]: Rewrote expression to (+ (* (/ 1 x) (/ 1 y)) (/ 1 (* t z)))
0.059 * [taylor]: Taking taylor expansion of (* (/ 1 x) (/ 1 y)) in x
0.059 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.059 * [taylor]: Taking taylor expansion of x in x
0.059 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.059 * [taylor]: Taking taylor expansion of y in x
0.059 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in x
0.059 * [taylor]: Taking taylor expansion of (* t z) in x
0.059 * [taylor]: Taking taylor expansion of t in x
0.059 * [taylor]: Taking taylor expansion of z in x
0.059 * [taylor]: Taking taylor expansion of (fma (/ 1 x) (/ 1 y) (/ 1 (* t z))) in x
0.060 * [taylor]: Rewrote expression to (+ (* (/ 1 x) (/ 1 y)) (/ 1 (* t z)))
0.060 * [taylor]: Taking taylor expansion of (* (/ 1 x) (/ 1 y)) in x
0.060 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.060 * [taylor]: Taking taylor expansion of x in x
0.060 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.060 * [taylor]: Taking taylor expansion of y in x
0.060 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in x
0.060 * [taylor]: Taking taylor expansion of (* t z) in x
0.060 * [taylor]: Taking taylor expansion of t in x
0.060 * [taylor]: Taking taylor expansion of z in x
0.060 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.060 * [taylor]: Taking taylor expansion of y in y
0.060 * [taylor]: Taking taylor expansion of 1 in z
0.061 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in y
0.061 * [taylor]: Taking taylor expansion of (* t z) in y
0.061 * [taylor]: Taking taylor expansion of t in y
0.061 * [taylor]: Taking taylor expansion of z in y
0.062 * [taylor]: Taking taylor expansion of 0 in z
0.062 * [taylor]: Taking taylor expansion of 1 in t
0.063 * [taylor]: Taking taylor expansion of 0 in y
0.064 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in z
0.064 * [taylor]: Taking taylor expansion of (* t z) in z
0.064 * [taylor]: Taking taylor expansion of t in z
0.064 * [taylor]: Taking taylor expansion of z in z
0.068 * [taylor]: Taking taylor expansion of (/ 1 t) in t
0.068 * [taylor]: Taking taylor expansion of t in t
0.069 * [taylor]: Taking taylor expansion of 0 in z
0.069 * [taylor]: Taking taylor expansion of 0 in t
0.069 * [taylor]: Taking taylor expansion of 0 in t
0.071 * [taylor]: Taking taylor expansion of 0 in y
0.071 * [taylor]: Taking taylor expansion of 0 in z
0.071 * [taylor]: Taking taylor expansion of 0 in z
0.072 * [taylor]: Taking taylor expansion of 0 in z
0.072 * [taylor]: Taking taylor expansion of 0 in t
0.072 * [taylor]: Taking taylor expansion of 0 in t
0.072 * [taylor]: Taking taylor expansion of 0 in t
0.072 * [taylor]: Taking taylor expansion of 0 in t
0.075 * [taylor]: Taking taylor expansion of 0 in y
0.075 * [taylor]: Taking taylor expansion of 0 in z
0.075 * [taylor]: Taking taylor expansion of 0 in z
0.076 * [taylor]: Taking taylor expansion of 0 in z
0.076 * [taylor]: Taking taylor expansion of 0 in z
0.076 * [taylor]: Taking taylor expansion of 0 in t
0.076 * [taylor]: Taking taylor expansion of 0 in t
0.076 * [taylor]: Taking taylor expansion of 0 in t
0.077 * [taylor]: Taking taylor expansion of 0 in t
0.077 * [taylor]: Taking taylor expansion of 0 in t
0.077 * [taylor]: Taking taylor expansion of 0 in t
0.077 * [taylor]: Taking taylor expansion of 0 in t
0.078 * [approximate]: Taking taylor expansion of (fma (/ -1 x) (/ -1 y) (/ 1 (* t z))) in (x y z t) around 0
0.078 * [taylor]: Taking taylor expansion of (fma (/ -1 x) (/ -1 y) (/ 1 (* t z))) in t
0.078 * [taylor]: Rewrote expression to (+ (* (/ -1 x) (/ -1 y)) (/ 1 (* t z)))
0.078 * [taylor]: Taking taylor expansion of (* (/ -1 x) (/ -1 y)) in t
0.078 * [taylor]: Taking taylor expansion of (/ -1 x) in t
0.078 * [taylor]: Taking taylor expansion of -1 in t
0.078 * [taylor]: Taking taylor expansion of x in t
0.078 * [taylor]: Taking taylor expansion of (/ -1 y) in t
0.078 * [taylor]: Taking taylor expansion of -1 in t
0.078 * [taylor]: Taking taylor expansion of y in t
0.078 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in t
0.078 * [taylor]: Taking taylor expansion of (* t z) in t
0.078 * [taylor]: Taking taylor expansion of t in t
0.078 * [taylor]: Taking taylor expansion of z in t
0.079 * [taylor]: Taking taylor expansion of (fma (/ -1 x) (/ -1 y) (/ 1 (* t z))) in z
0.079 * [taylor]: Rewrote expression to (+ (* (/ -1 x) (/ -1 y)) (/ 1 (* t z)))
0.079 * [taylor]: Taking taylor expansion of (* (/ -1 x) (/ -1 y)) in z
0.079 * [taylor]: Taking taylor expansion of (/ -1 x) in z
0.079 * [taylor]: Taking taylor expansion of -1 in z
0.079 * [taylor]: Taking taylor expansion of x in z
0.079 * [taylor]: Taking taylor expansion of (/ -1 y) in z
0.079 * [taylor]: Taking taylor expansion of -1 in z
0.079 * [taylor]: Taking taylor expansion of y in z
0.079 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in z
0.079 * [taylor]: Taking taylor expansion of (* t z) in z
0.079 * [taylor]: Taking taylor expansion of t in z
0.079 * [taylor]: Taking taylor expansion of z in z
0.079 * [taylor]: Taking taylor expansion of (fma (/ -1 x) (/ -1 y) (/ 1 (* t z))) in y
0.079 * [taylor]: Rewrote expression to (+ (* (/ -1 x) (/ -1 y)) (/ 1 (* t z)))
0.079 * [taylor]: Taking taylor expansion of (* (/ -1 x) (/ -1 y)) in y
0.079 * [taylor]: Taking taylor expansion of (/ -1 x) in y
0.079 * [taylor]: Taking taylor expansion of -1 in y
0.079 * [taylor]: Taking taylor expansion of x in y
0.079 * [taylor]: Taking taylor expansion of (/ -1 y) in y
0.079 * [taylor]: Taking taylor expansion of -1 in y
0.079 * [taylor]: Taking taylor expansion of y in y
0.080 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in y
0.080 * [taylor]: Taking taylor expansion of (* t z) in y
0.080 * [taylor]: Taking taylor expansion of t in y
0.080 * [taylor]: Taking taylor expansion of z in y
0.080 * [taylor]: Taking taylor expansion of (fma (/ -1 x) (/ -1 y) (/ 1 (* t z))) in x
0.080 * [taylor]: Rewrote expression to (+ (* (/ -1 x) (/ -1 y)) (/ 1 (* t z)))
0.080 * [taylor]: Taking taylor expansion of (* (/ -1 x) (/ -1 y)) in x
0.080 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.080 * [taylor]: Taking taylor expansion of -1 in x
0.080 * [taylor]: Taking taylor expansion of x in x
0.080 * [taylor]: Taking taylor expansion of (/ -1 y) in x
0.080 * [taylor]: Taking taylor expansion of -1 in x
0.080 * [taylor]: Taking taylor expansion of y in x
0.080 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in x
0.080 * [taylor]: Taking taylor expansion of (* t z) in x
0.080 * [taylor]: Taking taylor expansion of t in x
0.080 * [taylor]: Taking taylor expansion of z in x
0.081 * [taylor]: Taking taylor expansion of (fma (/ -1 x) (/ -1 y) (/ 1 (* t z))) in x
0.081 * [taylor]: Rewrote expression to (+ (* (/ -1 x) (/ -1 y)) (/ 1 (* t z)))
0.081 * [taylor]: Taking taylor expansion of (* (/ -1 x) (/ -1 y)) in x
0.081 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.081 * [taylor]: Taking taylor expansion of -1 in x
0.081 * [taylor]: Taking taylor expansion of x in x
0.081 * [taylor]: Taking taylor expansion of (/ -1 y) in x
0.081 * [taylor]: Taking taylor expansion of -1 in x
0.081 * [taylor]: Taking taylor expansion of y in x
0.081 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in x
0.081 * [taylor]: Taking taylor expansion of (* t z) in x
0.081 * [taylor]: Taking taylor expansion of t in x
0.081 * [taylor]: Taking taylor expansion of z in x
0.081 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.081 * [taylor]: Taking taylor expansion of y in y
0.082 * [taylor]: Taking taylor expansion of 1 in z
0.083 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in y
0.083 * [taylor]: Taking taylor expansion of (* t z) in y
0.083 * [taylor]: Taking taylor expansion of t in y
0.083 * [taylor]: Taking taylor expansion of z in y
0.083 * [taylor]: Taking taylor expansion of 0 in z
0.083 * [taylor]: Taking taylor expansion of 1 in t
0.085 * [taylor]: Taking taylor expansion of 0 in y
0.085 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in z
0.085 * [taylor]: Taking taylor expansion of (* t z) in z
0.085 * [taylor]: Taking taylor expansion of t in z
0.085 * [taylor]: Taking taylor expansion of z in z
0.085 * [taylor]: Taking taylor expansion of (/ 1 t) in t
0.085 * [taylor]: Taking taylor expansion of t in t
0.086 * [taylor]: Taking taylor expansion of 0 in z
0.086 * [taylor]: Taking taylor expansion of 0 in t
0.086 * [taylor]: Taking taylor expansion of 0 in t
0.088 * [taylor]: Taking taylor expansion of 0 in y
0.088 * [taylor]: Taking taylor expansion of 0 in z
0.088 * [taylor]: Taking taylor expansion of 0 in z
0.089 * [taylor]: Taking taylor expansion of 0 in z
0.089 * [taylor]: Taking taylor expansion of 0 in t
0.089 * [taylor]: Taking taylor expansion of 0 in t
0.090 * [taylor]: Taking taylor expansion of 0 in t
0.090 * [taylor]: Taking taylor expansion of 0 in t
0.093 * [taylor]: Taking taylor expansion of 0 in y
0.093 * [taylor]: Taking taylor expansion of 0 in z
0.093 * [taylor]: Taking taylor expansion of 0 in z
0.093 * [taylor]: Taking taylor expansion of 0 in z
0.094 * [taylor]: Taking taylor expansion of 0 in z
0.094 * [taylor]: Taking taylor expansion of 0 in t
0.094 * [taylor]: Taking taylor expansion of 0 in t
0.094 * [taylor]: Taking taylor expansion of 0 in t
0.095 * [taylor]: Taking taylor expansion of 0 in t
0.095 * [taylor]: Taking taylor expansion of 0 in t
0.095 * [taylor]: Taking taylor expansion of 0 in t
0.095 * [taylor]: Taking taylor expansion of 0 in t
0.095 * * * [progress]: simplifying candidates
0.096 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (expm1 (fma x y (* z t)))
  (log1p (fma x y (* z t)))
  (* x y)
  (log (fma x y (* z t)))
  (exp (fma x y (* z t)))
  (* (cbrt (fma x y (* z t))) (cbrt (fma x y (* z t))))
  (cbrt (fma x y (* z t)))
  (* (* (fma x y (* z t)) (fma x y (* z t))) (fma x y (* z t)))
  (sqrt (fma x y (* z t)))
  (sqrt (fma x y (* z t)))
  0
  (+ (* t z) (* x y))
  (+ (* t z) (* x y))
0.097 * * [simplify]: iteration  0 :  19  enodes  (cost  102 )
0.099 * * [simplify]: iteration  1 :  23  enodes  (cost  100 )
0.102 * * [simplify]: iteration  2 :  51  enodes  (cost  88 )
0.110 * * [simplify]: iteration  3 :  137  enodes  (cost  88 )
0.142 * * [simplify]: iteration  4 :  437  enodes  (cost  88 )
0.289 * * [simplify]: iteration  5 :  1647  enodes  (cost  88 )
1.032 * * [simplify]: iteration  done :  5000  enodes  (cost  88 )
1.033 * [simplify]: Simplified to:
   (expm1 (fma x y (* z t)))
  (log1p (fma x y (* z t)))
  (* x y)
  (log (fma x y (* z t)))
  (exp (fma x y (* z t)))
  (* (cbrt (fma x y (* z t))) (cbrt (fma x y (* z t))))
  (cbrt (fma x y (* z t)))
  (pow (fma x y (* z t)) 3)
  (sqrt (fma x y (* z t)))
  (sqrt (fma x y (* z t)))
  0
  (fma x y (* z t))
  (fma x y (* z t))
1.033 * * * [progress]: adding candidates to table
1.071 * [progress]: [Phase 3 of 3] Extracting.
1.074 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (fma a b (fma x y (* z t)))
1.074 * * [simplify]: iteration  0 :  9  enodes  (cost  9 )
1.074 * * [simplify]: iteration  1 :  10  enodes  (cost  9 )
1.075 * * [simplify]: iteration  done :  10  enodes  (cost  9 )
1.075 * [simplify]: Simplified to:
   (fma a b (fma x y (* z t)))
1.959 * [regime-testing]: End program error score: 0.011751468933616702