7.403 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.028 * * * [progress]: [2/2] Setting up program.
0.030 * [progress]: [Phase 2 of 3] Improving.
0.030 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (* x y) (* z t))
0.032 * * [simplify]: iteration  0 :  12  enodes  (cost  3 )
0.034 * * [simplify]: iteration  1 :  20  enodes  (cost  3 )
0.035 * * [simplify]: iteration  2 :  24  enodes  (cost  3 )
0.036 * * [simplify]: iteration  3 :  24  enodes  (cost  3 )
0.036 * [simplify]: Simplified to:
   (- (* x y) (* z t))
0.037 * * [progress]: iteration 1 / 4
0.037 * * * [progress]: picking best candidate
0.038 * * * * [pick]: Picked  #<alt (λ (x y z t) (- (* x y) (* z t)))>
0.038 * * * [progress]: localizing error
0.043 * * * [progress]: generating rewritten candidates
0.043 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.047 * * * [progress]: generating series expansions
0.047 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.047 * [approximate]: Taking taylor expansion of (- (* x y) (* t z)) in (x y z t) around 0
0.047 * [taylor]: Taking taylor expansion of (- (* x y) (* t z)) in t
0.047 * [taylor]: Taking taylor expansion of (* x y) in t
0.047 * [taylor]: Taking taylor expansion of x in t
0.047 * [taylor]: Taking taylor expansion of y in t
0.047 * [taylor]: Taking taylor expansion of (* t z) in t
0.047 * [taylor]: Taking taylor expansion of t in t
0.047 * [taylor]: Taking taylor expansion of z in t
0.047 * [taylor]: Taking taylor expansion of (- (* x y) (* t z)) in z
0.047 * [taylor]: Taking taylor expansion of (* x y) in z
0.047 * [taylor]: Taking taylor expansion of x in z
0.047 * [taylor]: Taking taylor expansion of y in z
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 (- (* x y) (* t z)) in y
0.047 * [taylor]: Taking taylor expansion of (* x y) in y
0.047 * [taylor]: Taking taylor expansion of x in y
0.047 * [taylor]: Taking taylor expansion of y in y
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 (- (* x y) (* t z)) in x
0.047 * [taylor]: Taking taylor expansion of (* x y) in x
0.047 * [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 x
0.047 * [taylor]: Taking taylor expansion of t in x
0.047 * [taylor]: Taking taylor expansion of z in x
0.047 * [taylor]: Taking taylor expansion of (- (* x y) (* t z)) in x
0.047 * [taylor]: Taking taylor expansion of (* x y) in x
0.047 * [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 x
0.047 * [taylor]: Taking taylor expansion of t in x
0.047 * [taylor]: Taking taylor expansion of z in x
0.048 * [taylor]: Taking taylor expansion of (- (* t z)) in y
0.048 * [taylor]: Taking taylor expansion of (* t z) in y
0.048 * [taylor]: Taking taylor expansion of t in y
0.048 * [taylor]: Taking taylor expansion of z in y
0.048 * [taylor]: Taking taylor expansion of (- (* t z)) in z
0.048 * [taylor]: Taking taylor expansion of (* t z) in z
0.048 * [taylor]: Taking taylor expansion of t in z
0.048 * [taylor]: Taking taylor expansion of z in z
0.048 * [taylor]: Taking taylor expansion of 0 in t
0.049 * [taylor]: Taking taylor expansion of y in y
0.049 * [taylor]: Taking taylor expansion of 0 in z
0.049 * [taylor]: Taking taylor expansion of 0 in t
0.049 * [taylor]: Taking taylor expansion of 0 in z
0.049 * [taylor]: Taking taylor expansion of 0 in t
0.050 * [taylor]: Taking taylor expansion of (- t) in t
0.050 * [taylor]: Taking taylor expansion of t in t
0.051 * [taylor]: Taking taylor expansion of 0 in y
0.051 * [taylor]: Taking taylor expansion of 0 in z
0.051 * [taylor]: Taking taylor expansion of 0 in t
0.051 * [approximate]: Taking taylor expansion of (- (/ 1 (* x y)) (/ 1 (* t z))) in (x y z t) around 0
0.051 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (/ 1 (* t z))) in t
0.051 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in t
0.051 * [taylor]: Taking taylor expansion of (* x y) in t
0.051 * [taylor]: Taking taylor expansion of x in t
0.051 * [taylor]: Taking taylor expansion of y in t
0.051 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in t
0.051 * [taylor]: Taking taylor expansion of (* t z) in t
0.051 * [taylor]: Taking taylor expansion of t in t
0.051 * [taylor]: Taking taylor expansion of z in t
0.052 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (/ 1 (* t z))) in z
0.052 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in z
0.052 * [taylor]: Taking taylor expansion of (* x y) in z
0.052 * [taylor]: Taking taylor expansion of x in z
0.052 * [taylor]: Taking taylor expansion of y in z
0.052 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in z
0.052 * [taylor]: Taking taylor expansion of (* t z) in z
0.052 * [taylor]: Taking taylor expansion of t in z
0.052 * [taylor]: Taking taylor expansion of z in z
0.052 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (/ 1 (* t z))) in y
0.052 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
0.052 * [taylor]: Taking taylor expansion of (* x y) in y
0.052 * [taylor]: Taking taylor expansion of x in y
0.052 * [taylor]: Taking taylor expansion of y in y
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 (- (/ 1 (* x y)) (/ 1 (* t z))) in x
0.053 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.053 * [taylor]: Taking taylor expansion of (* x y) in x
0.053 * [taylor]: Taking taylor expansion of x in x
0.053 * [taylor]: Taking taylor expansion of y in x
0.053 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in x
0.053 * [taylor]: Taking taylor expansion of (* t z) in x
0.053 * [taylor]: Taking taylor expansion of t in x
0.053 * [taylor]: Taking taylor expansion of z in x
0.053 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (/ 1 (* t z))) in x
0.053 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.053 * [taylor]: Taking taylor expansion of (* x y) in x
0.053 * [taylor]: Taking taylor expansion of x in x
0.053 * [taylor]: Taking taylor expansion of y in x
0.054 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) 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 (/ 1 y) in y
0.054 * [taylor]: Taking taylor expansion of y in y
0.054 * [taylor]: Taking taylor expansion of 1 in z
0.055 * [taylor]: Taking taylor expansion of (- (/ 1 (* t z))) in y
0.055 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in y
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 0 in z
0.055 * [taylor]: Taking taylor expansion of 1 in t
0.057 * [taylor]: Taking taylor expansion of 0 in y
0.057 * [taylor]: Taking taylor expansion of (- (/ 1 (* t z))) in z
0.057 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in z
0.057 * [taylor]: Taking taylor expansion of (* t z) in z
0.057 * [taylor]: Taking taylor expansion of t in z
0.057 * [taylor]: Taking taylor expansion of z in z
0.057 * [taylor]: Taking taylor expansion of (- (/ 1 t)) in t
0.057 * [taylor]: Taking taylor expansion of (/ 1 t) in t
0.057 * [taylor]: Taking taylor expansion of t in t
0.058 * [taylor]: Taking taylor expansion of 0 in z
0.058 * [taylor]: Taking taylor expansion of 0 in t
0.058 * [taylor]: Taking taylor expansion of 0 in t
0.060 * [taylor]: Taking taylor expansion of 0 in y
0.060 * [taylor]: Taking taylor expansion of 0 in z
0.061 * [taylor]: Taking taylor expansion of 0 in z
0.061 * [taylor]: Taking taylor expansion of 0 in z
0.062 * [taylor]: Taking taylor expansion of 0 in t
0.062 * [taylor]: Taking taylor expansion of 0 in t
0.062 * [taylor]: Taking taylor expansion of 0 in t
0.062 * [taylor]: Taking taylor expansion of 0 in t
0.065 * [taylor]: Taking taylor expansion of 0 in y
0.065 * [taylor]: Taking taylor expansion of 0 in z
0.065 * [taylor]: Taking taylor expansion of 0 in z
0.066 * [taylor]: Taking taylor expansion of 0 in z
0.066 * [taylor]: Taking taylor expansion of 0 in z
0.066 * [taylor]: Taking taylor expansion of 0 in t
0.066 * [taylor]: Taking taylor expansion of 0 in t
0.066 * [taylor]: Taking taylor expansion of 0 in t
0.067 * [taylor]: Taking taylor expansion of 0 in t
0.067 * [taylor]: Taking taylor expansion of 0 in t
0.067 * [taylor]: Taking taylor expansion of 0 in t
0.067 * [taylor]: Taking taylor expansion of 0 in t
0.068 * [approximate]: Taking taylor expansion of (- (/ 1 (* x y)) (/ 1 (* t z))) in (x y z t) around 0
0.068 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (/ 1 (* t z))) in t
0.068 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in t
0.068 * [taylor]: Taking taylor expansion of (* x y) in t
0.068 * [taylor]: Taking taylor expansion of x in t
0.068 * [taylor]: Taking taylor expansion of y in t
0.068 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in t
0.068 * [taylor]: Taking taylor expansion of (* t z) in t
0.068 * [taylor]: Taking taylor expansion of t in t
0.068 * [taylor]: Taking taylor expansion of z in t
0.068 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (/ 1 (* t z))) in z
0.068 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in z
0.068 * [taylor]: Taking taylor expansion of (* x y) in z
0.068 * [taylor]: Taking taylor expansion of x in z
0.068 * [taylor]: Taking taylor expansion of y in z
0.069 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in z
0.069 * [taylor]: Taking taylor expansion of (* t z) in z
0.069 * [taylor]: Taking taylor expansion of t in z
0.069 * [taylor]: Taking taylor expansion of z in z
0.069 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (/ 1 (* t z))) in y
0.069 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
0.069 * [taylor]: Taking taylor expansion of (* x y) in y
0.069 * [taylor]: Taking taylor expansion of x in y
0.069 * [taylor]: Taking taylor expansion of y in y
0.069 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in y
0.069 * [taylor]: Taking taylor expansion of (* t z) in y
0.069 * [taylor]: Taking taylor expansion of t in y
0.069 * [taylor]: Taking taylor expansion of z in y
0.069 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (/ 1 (* t z))) in x
0.069 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.069 * [taylor]: Taking taylor expansion of (* x y) in x
0.069 * [taylor]: Taking taylor expansion of x in x
0.069 * [taylor]: Taking taylor expansion of y in x
0.070 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in x
0.070 * [taylor]: Taking taylor expansion of (* t z) in x
0.070 * [taylor]: Taking taylor expansion of t in x
0.070 * [taylor]: Taking taylor expansion of z in x
0.070 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (/ 1 (* t z))) in x
0.070 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.070 * [taylor]: Taking taylor expansion of (* x y) in x
0.070 * [taylor]: Taking taylor expansion of x in x
0.070 * [taylor]: Taking taylor expansion of y in x
0.070 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in x
0.070 * [taylor]: Taking taylor expansion of (* t z) in x
0.070 * [taylor]: Taking taylor expansion of t in x
0.070 * [taylor]: Taking taylor expansion of z in x
0.070 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.070 * [taylor]: Taking taylor expansion of y in y
0.071 * [taylor]: Taking taylor expansion of 1 in z
0.071 * [taylor]: Taking taylor expansion of (- (/ 1 (* t z))) in y
0.071 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in y
0.071 * [taylor]: Taking taylor expansion of (* t z) in y
0.071 * [taylor]: Taking taylor expansion of t in y
0.071 * [taylor]: Taking taylor expansion of z in y
0.072 * [taylor]: Taking taylor expansion of 0 in z
0.072 * [taylor]: Taking taylor expansion of 1 in t
0.073 * [taylor]: Taking taylor expansion of 0 in y
0.073 * [taylor]: Taking taylor expansion of (- (/ 1 (* t z))) in z
0.073 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in z
0.073 * [taylor]: Taking taylor expansion of (* t z) in z
0.074 * [taylor]: Taking taylor expansion of t in z
0.074 * [taylor]: Taking taylor expansion of z in z
0.074 * [taylor]: Taking taylor expansion of (- (/ 1 t)) in t
0.074 * [taylor]: Taking taylor expansion of (/ 1 t) in t
0.074 * [taylor]: Taking taylor expansion of t in t
0.075 * [taylor]: Taking taylor expansion of 0 in z
0.075 * [taylor]: Taking taylor expansion of 0 in t
0.075 * [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
0.078 * [taylor]: Taking taylor expansion of 0 in z
0.078 * [taylor]: Taking taylor expansion of 0 in z
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
0.082 * [taylor]: Taking taylor expansion of 0 in y
0.082 * [taylor]: Taking taylor expansion of 0 in z
0.082 * [taylor]: Taking taylor expansion of 0 in z
0.083 * [taylor]: Taking taylor expansion of 0 in z
0.083 * [taylor]: Taking taylor expansion of 0 in z
0.083 * [taylor]: Taking taylor expansion of 0 in t
0.083 * [taylor]: Taking taylor expansion of 0 in t
0.083 * [taylor]: Taking taylor expansion of 0 in t
0.084 * [taylor]: Taking taylor expansion of 0 in t
0.084 * [taylor]: Taking taylor expansion of 0 in t
0.084 * [taylor]: Taking taylor expansion of 0 in t
0.084 * [taylor]: Taking taylor expansion of 0 in t
0.085 * * * [progress]: simplifying candidates
0.085 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (fma x y (- (* t z)))
  (fma (- t) z (* t z))
  (expm1 (- (* x y) (* z t)))
  (log1p (- (* x y) (* z t)))
  (- (* 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))))
  (- (* z t))
  (- (* (* x y) (* x y)) (* (* z t) (* z t)))
  (+ (* x y) (* z t))
  (- (* z t))
  0
  (- (* x y) (* t z))
  (- (* x y) (* t z))
0.088 * * [simplify]: iteration  0 :  103  enodes  (cost  92 )
0.091 * * [simplify]: iteration  1 :  359  enodes  (cost  83 )
0.098 * * [simplify]: iteration  2 :  1102  enodes  (cost  83 )
0.117 * * [simplify]: iteration  3 :  2617  enodes  (cost  80 )
0.165 * * [simplify]: iteration  4 :  5002  enodes  (cost  80 )
0.166 * [simplify]: Simplified to:
   (- (* x y) (* t z))
  0
  (expm1 (- (* x y) (* z t)))
  (log1p (- (* x y) (* z t)))
  (- (* z t))
  (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) (* t z)) 3)
  (sqrt (- (* x y) (* z t)))
  (sqrt (- (* x y) (* z t)))
  (- (pow (* x y) 3) (pow (* z t) 3))
  (fma (* t z) (fma x y (* z t)) (* (* x y) (* x y)))
  (- (* z t))
  (* (fma x y (* z t)) (- (* x y) (* z t)))
  (fma x y (* z t))
  (- (* z t))
  0
  (- (* x y) (* t z))
  (- (* x y) (* t z))
0.166 * * * [progress]: adding candidates to table
0.208 * * [progress]: iteration 2 / 4
0.208 * * * [progress]: picking best candidate
0.209 * * * * [pick]: Picked  #<alt (λ (x y z t) (fma x y (- (* z t))))>
0.209 * * * [progress]: localizing error
0.215 * * * [progress]: generating rewritten candidates
0.215 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.216 * * * [progress]: generating series expansions
0.216 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.216 * [approximate]: Taking taylor expansion of (fma x y (- (* t z))) in (x y z t) around 0
0.216 * [taylor]: Taking taylor expansion of (fma x y (- (* t z))) in t
0.216 * [taylor]: Rewrote expression to (+ (* x y) (- (* t z)))
0.216 * [taylor]: Taking taylor expansion of (* x y) in t
0.216 * [taylor]: Taking taylor expansion of x in t
0.216 * [taylor]: Taking taylor expansion of y in t
0.216 * [taylor]: Taking taylor expansion of (- (* t z)) in t
0.216 * [taylor]: Taking taylor expansion of (* t z) in t
0.216 * [taylor]: Taking taylor expansion of t in t
0.216 * [taylor]: Taking taylor expansion of z in t
0.216 * [taylor]: Taking taylor expansion of (fma x y (- (* t z))) in z
0.216 * [taylor]: Rewrote expression to (+ (* x y) (- (* t z)))
0.216 * [taylor]: Taking taylor expansion of (* x y) in z
0.216 * [taylor]: Taking taylor expansion of x in z
0.216 * [taylor]: Taking taylor expansion of y in z
0.216 * [taylor]: Taking taylor expansion of (- (* t z)) in z
0.216 * [taylor]: Taking taylor expansion of (* t z) in z
0.216 * [taylor]: Taking taylor expansion of t in z
0.216 * [taylor]: Taking taylor expansion of z in z
0.216 * [taylor]: Taking taylor expansion of (fma x y (- (* t z))) in y
0.217 * [taylor]: Rewrote expression to (+ (* x y) (- (* t z)))
0.217 * [taylor]: Taking taylor expansion of (* x y) in y
0.217 * [taylor]: Taking taylor expansion of x in y
0.217 * [taylor]: Taking taylor expansion of y in y
0.217 * [taylor]: Taking taylor expansion of (- (* t z)) in y
0.217 * [taylor]: Taking taylor expansion of (* t z) in y
0.217 * [taylor]: Taking taylor expansion of t in y
0.217 * [taylor]: Taking taylor expansion of z in y
0.217 * [taylor]: Taking taylor expansion of (fma x y (- (* t z))) in x
0.217 * [taylor]: Rewrote expression to (+ (* x y) (- (* t z)))
0.217 * [taylor]: Taking taylor expansion of (* x y) in x
0.217 * [taylor]: Taking taylor expansion of x in x
0.217 * [taylor]: Taking taylor expansion of y in x
0.217 * [taylor]: Taking taylor expansion of (- (* t z)) in x
0.217 * [taylor]: Taking taylor expansion of (* t z) in x
0.217 * [taylor]: Taking taylor expansion of t in x
0.217 * [taylor]: Taking taylor expansion of z in x
0.217 * [taylor]: Taking taylor expansion of (fma x y (- (* t z))) in x
0.217 * [taylor]: Rewrote expression to (+ (* x y) (- (* t z)))
0.217 * [taylor]: Taking taylor expansion of (* x y) in x
0.217 * [taylor]: Taking taylor expansion of x in x
0.217 * [taylor]: Taking taylor expansion of y in x
0.217 * [taylor]: Taking taylor expansion of (- (* t z)) in x
0.217 * [taylor]: Taking taylor expansion of (* t z) in x
0.217 * [taylor]: Taking taylor expansion of t in x
0.217 * [taylor]: Taking taylor expansion of z in x
0.217 * [taylor]: Taking taylor expansion of (- (* t z)) in y
0.217 * [taylor]: Taking taylor expansion of (* t z) in y
0.217 * [taylor]: Taking taylor expansion of t in y
0.217 * [taylor]: Taking taylor expansion of z in y
0.217 * [taylor]: Taking taylor expansion of (- (* t z)) in z
0.217 * [taylor]: Taking taylor expansion of (* t z) in z
0.217 * [taylor]: Taking taylor expansion of t in z
0.217 * [taylor]: Taking taylor expansion of z in z
0.218 * [taylor]: Taking taylor expansion of 0 in t
0.218 * [taylor]: Taking taylor expansion of y in y
0.218 * [taylor]: Taking taylor expansion of 0 in z
0.218 * [taylor]: Taking taylor expansion of 0 in t
0.219 * [taylor]: Taking taylor expansion of 0 in z
0.219 * [taylor]: Taking taylor expansion of 0 in t
0.219 * [taylor]: Taking taylor expansion of (- t) in t
0.219 * [taylor]: Taking taylor expansion of t in t
0.220 * [taylor]: Taking taylor expansion of 0 in y
0.221 * [taylor]: Taking taylor expansion of 0 in z
0.221 * [taylor]: Taking taylor expansion of 0 in t
0.221 * [approximate]: Taking taylor expansion of (fma (/ 1 x) (/ 1 y) (- (/ 1 (* t z)))) in (x y z t) around 0
0.221 * [taylor]: Taking taylor expansion of (fma (/ 1 x) (/ 1 y) (- (/ 1 (* t z)))) in t
0.221 * [taylor]: Rewrote expression to (+ (* (/ 1 x) (/ 1 y)) (- (/ 1 (* t z))))
0.221 * [taylor]: Taking taylor expansion of (* (/ 1 x) (/ 1 y)) in t
0.221 * [taylor]: Taking taylor expansion of (/ 1 x) in t
0.221 * [taylor]: Taking taylor expansion of x in t
0.221 * [taylor]: Taking taylor expansion of (/ 1 y) in t
0.221 * [taylor]: Taking taylor expansion of y in t
0.221 * [taylor]: Taking taylor expansion of (- (/ 1 (* t z))) in t
0.221 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in t
0.221 * [taylor]: Taking taylor expansion of (* t z) in t
0.221 * [taylor]: Taking taylor expansion of t in t
0.221 * [taylor]: Taking taylor expansion of z in t
0.222 * [taylor]: Taking taylor expansion of (fma (/ 1 x) (/ 1 y) (- (/ 1 (* t z)))) in z
0.222 * [taylor]: Rewrote expression to (+ (* (/ 1 x) (/ 1 y)) (- (/ 1 (* t z))))
0.222 * [taylor]: Taking taylor expansion of (* (/ 1 x) (/ 1 y)) in z
0.222 * [taylor]: Taking taylor expansion of (/ 1 x) in z
0.222 * [taylor]: Taking taylor expansion of x in z
0.222 * [taylor]: Taking taylor expansion of (/ 1 y) in z
0.222 * [taylor]: Taking taylor expansion of y in z
0.222 * [taylor]: Taking taylor expansion of (- (/ 1 (* t z))) in z
0.222 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in z
0.222 * [taylor]: Taking taylor expansion of (* t z) in z
0.222 * [taylor]: Taking taylor expansion of t in z
0.222 * [taylor]: Taking taylor expansion of z in z
0.222 * [taylor]: Taking taylor expansion of (fma (/ 1 x) (/ 1 y) (- (/ 1 (* t z)))) in y
0.222 * [taylor]: Rewrote expression to (+ (* (/ 1 x) (/ 1 y)) (- (/ 1 (* t z))))
0.222 * [taylor]: Taking taylor expansion of (* (/ 1 x) (/ 1 y)) in y
0.222 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.222 * [taylor]: Taking taylor expansion of x in y
0.222 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.222 * [taylor]: Taking taylor expansion of y in y
0.223 * [taylor]: Taking taylor expansion of (- (/ 1 (* t z))) in y
0.223 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in y
0.223 * [taylor]: Taking taylor expansion of (* t z) in y
0.223 * [taylor]: Taking taylor expansion of t in y
0.223 * [taylor]: Taking taylor expansion of z in y
0.223 * [taylor]: Taking taylor expansion of (fma (/ 1 x) (/ 1 y) (- (/ 1 (* t z)))) in x
0.223 * [taylor]: Rewrote expression to (+ (* (/ 1 x) (/ 1 y)) (- (/ 1 (* t z))))
0.223 * [taylor]: Taking taylor expansion of (* (/ 1 x) (/ 1 y)) in x
0.223 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.223 * [taylor]: Taking taylor expansion of x in x
0.223 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.223 * [taylor]: Taking taylor expansion of y in x
0.223 * [taylor]: Taking taylor expansion of (- (/ 1 (* t z))) in x
0.223 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in x
0.223 * [taylor]: Taking taylor expansion of (* t z) in x
0.223 * [taylor]: Taking taylor expansion of t in x
0.223 * [taylor]: Taking taylor expansion of z in x
0.223 * [taylor]: Taking taylor expansion of (fma (/ 1 x) (/ 1 y) (- (/ 1 (* t z)))) in x
0.224 * [taylor]: Rewrote expression to (+ (* (/ 1 x) (/ 1 y)) (- (/ 1 (* t z))))
0.224 * [taylor]: Taking taylor expansion of (* (/ 1 x) (/ 1 y)) in x
0.224 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.224 * [taylor]: Taking taylor expansion of x in x
0.224 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.224 * [taylor]: Taking taylor expansion of y in x
0.224 * [taylor]: Taking taylor expansion of (- (/ 1 (* t z))) in x
0.224 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in x
0.224 * [taylor]: Taking taylor expansion of (* t z) in x
0.224 * [taylor]: Taking taylor expansion of t in x
0.224 * [taylor]: Taking taylor expansion of z in x
0.224 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.224 * [taylor]: Taking taylor expansion of y in y
0.224 * [taylor]: Taking taylor expansion of 1 in z
0.225 * [taylor]: Taking taylor expansion of (- (/ 1 (* t z))) in y
0.225 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in y
0.225 * [taylor]: Taking taylor expansion of (* t z) in y
0.225 * [taylor]: Taking taylor expansion of t in y
0.225 * [taylor]: Taking taylor expansion of z in y
0.226 * [taylor]: Taking taylor expansion of 0 in z
0.226 * [taylor]: Taking taylor expansion of 1 in t
0.228 * [taylor]: Taking taylor expansion of 0 in y
0.228 * [taylor]: Taking taylor expansion of (- (/ 1 (* t z))) in z
0.228 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in z
0.228 * [taylor]: Taking taylor expansion of (* t z) in z
0.228 * [taylor]: Taking taylor expansion of t in z
0.228 * [taylor]: Taking taylor expansion of z in z
0.228 * [taylor]: Taking taylor expansion of (- (/ 1 t)) in t
0.228 * [taylor]: Taking taylor expansion of (/ 1 t) in t
0.228 * [taylor]: Taking taylor expansion of t in t
0.229 * [taylor]: Taking taylor expansion of 0 in z
0.229 * [taylor]: Taking taylor expansion of 0 in t
0.229 * [taylor]: Taking taylor expansion of 0 in t
0.234 * [taylor]: Taking taylor expansion of 0 in y
0.235 * [taylor]: Taking taylor expansion of 0 in z
0.235 * [taylor]: Taking taylor expansion of 0 in z
0.235 * [taylor]: Taking taylor expansion of 0 in z
0.236 * [taylor]: Taking taylor expansion of 0 in t
0.236 * [taylor]: Taking taylor expansion of 0 in t
0.236 * [taylor]: Taking taylor expansion of 0 in t
0.236 * [taylor]: Taking taylor expansion of 0 in t
0.239 * [taylor]: Taking taylor expansion of 0 in y
0.240 * [taylor]: Taking taylor expansion of 0 in z
0.240 * [taylor]: Taking taylor expansion of 0 in z
0.240 * [taylor]: Taking taylor expansion of 0 in z
0.241 * [taylor]: Taking taylor expansion of 0 in z
0.241 * [taylor]: Taking taylor expansion of 0 in t
0.241 * [taylor]: Taking taylor expansion of 0 in t
0.241 * [taylor]: Taking taylor expansion of 0 in t
0.242 * [taylor]: Taking taylor expansion of 0 in t
0.242 * [taylor]: Taking taylor expansion of 0 in t
0.242 * [taylor]: Taking taylor expansion of 0 in t
0.242 * [taylor]: Taking taylor expansion of 0 in t
0.242 * [approximate]: Taking taylor expansion of (fma (/ -1 x) (/ -1 y) (- (/ 1 (* t z)))) in (x y z t) around 0
0.242 * [taylor]: Taking taylor expansion of (fma (/ -1 x) (/ -1 y) (- (/ 1 (* t z)))) in t
0.243 * [taylor]: Rewrote expression to (+ (* (/ -1 x) (/ -1 y)) (- (/ 1 (* t z))))
0.243 * [taylor]: Taking taylor expansion of (* (/ -1 x) (/ -1 y)) in t
0.243 * [taylor]: Taking taylor expansion of (/ -1 x) in t
0.243 * [taylor]: Taking taylor expansion of -1 in t
0.243 * [taylor]: Taking taylor expansion of x in t
0.243 * [taylor]: Taking taylor expansion of (/ -1 y) in t
0.243 * [taylor]: Taking taylor expansion of -1 in t
0.243 * [taylor]: Taking taylor expansion of y in t
0.243 * [taylor]: Taking taylor expansion of (- (/ 1 (* t z))) in t
0.243 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in t
0.243 * [taylor]: Taking taylor expansion of (* t z) in t
0.243 * [taylor]: Taking taylor expansion of t in t
0.243 * [taylor]: Taking taylor expansion of z in t
0.243 * [taylor]: Taking taylor expansion of (fma (/ -1 x) (/ -1 y) (- (/ 1 (* t z)))) in z
0.243 * [taylor]: Rewrote expression to (+ (* (/ -1 x) (/ -1 y)) (- (/ 1 (* t z))))
0.243 * [taylor]: Taking taylor expansion of (* (/ -1 x) (/ -1 y)) in z
0.243 * [taylor]: Taking taylor expansion of (/ -1 x) in z
0.243 * [taylor]: Taking taylor expansion of -1 in z
0.243 * [taylor]: Taking taylor expansion of x in z
0.243 * [taylor]: Taking taylor expansion of (/ -1 y) in z
0.243 * [taylor]: Taking taylor expansion of -1 in z
0.243 * [taylor]: Taking taylor expansion of y in z
0.243 * [taylor]: Taking taylor expansion of (- (/ 1 (* t z))) in z
0.243 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in z
0.243 * [taylor]: Taking taylor expansion of (* t z) in z
0.243 * [taylor]: Taking taylor expansion of t in z
0.243 * [taylor]: Taking taylor expansion of z in z
0.244 * [taylor]: Taking taylor expansion of (fma (/ -1 x) (/ -1 y) (- (/ 1 (* t z)))) in y
0.244 * [taylor]: Rewrote expression to (+ (* (/ -1 x) (/ -1 y)) (- (/ 1 (* t z))))
0.244 * [taylor]: Taking taylor expansion of (* (/ -1 x) (/ -1 y)) in y
0.244 * [taylor]: Taking taylor expansion of (/ -1 x) in y
0.244 * [taylor]: Taking taylor expansion of -1 in y
0.244 * [taylor]: Taking taylor expansion of x in y
0.244 * [taylor]: Taking taylor expansion of (/ -1 y) in y
0.244 * [taylor]: Taking taylor expansion of -1 in y
0.244 * [taylor]: Taking taylor expansion of y in y
0.244 * [taylor]: Taking taylor expansion of (- (/ 1 (* t z))) in y
0.244 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in y
0.244 * [taylor]: Taking taylor expansion of (* t z) in y
0.244 * [taylor]: Taking taylor expansion of t in y
0.244 * [taylor]: Taking taylor expansion of z in y
0.244 * [taylor]: Taking taylor expansion of (fma (/ -1 x) (/ -1 y) (- (/ 1 (* t z)))) in x
0.245 * [taylor]: Rewrote expression to (+ (* (/ -1 x) (/ -1 y)) (- (/ 1 (* t z))))
0.245 * [taylor]: Taking taylor expansion of (* (/ -1 x) (/ -1 y)) in x
0.245 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.245 * [taylor]: Taking taylor expansion of -1 in x
0.245 * [taylor]: Taking taylor expansion of x in x
0.245 * [taylor]: Taking taylor expansion of (/ -1 y) in x
0.245 * [taylor]: Taking taylor expansion of -1 in x
0.245 * [taylor]: Taking taylor expansion of y in x
0.245 * [taylor]: Taking taylor expansion of (- (/ 1 (* t z))) in x
0.245 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in x
0.245 * [taylor]: Taking taylor expansion of (* t z) in x
0.245 * [taylor]: Taking taylor expansion of t in x
0.245 * [taylor]: Taking taylor expansion of z in x
0.245 * [taylor]: Taking taylor expansion of (fma (/ -1 x) (/ -1 y) (- (/ 1 (* t z)))) in x
0.245 * [taylor]: Rewrote expression to (+ (* (/ -1 x) (/ -1 y)) (- (/ 1 (* t z))))
0.245 * [taylor]: Taking taylor expansion of (* (/ -1 x) (/ -1 y)) in x
0.245 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.245 * [taylor]: Taking taylor expansion of -1 in x
0.245 * [taylor]: Taking taylor expansion of x in x
0.246 * [taylor]: Taking taylor expansion of (/ -1 y) in x
0.246 * [taylor]: Taking taylor expansion of -1 in x
0.246 * [taylor]: Taking taylor expansion of y in x
0.246 * [taylor]: Taking taylor expansion of (- (/ 1 (* t z))) in x
0.246 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in x
0.246 * [taylor]: Taking taylor expansion of (* t z) in x
0.246 * [taylor]: Taking taylor expansion of t in x
0.246 * [taylor]: Taking taylor expansion of z in x
0.246 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.246 * [taylor]: Taking taylor expansion of y in y
0.246 * [taylor]: Taking taylor expansion of 1 in z
0.247 * [taylor]: Taking taylor expansion of (- (/ 1 (* t z))) in y
0.247 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in y
0.247 * [taylor]: Taking taylor expansion of (* t z) in y
0.247 * [taylor]: Taking taylor expansion of t in y
0.247 * [taylor]: Taking taylor expansion of z in y
0.248 * [taylor]: Taking taylor expansion of 0 in z
0.248 * [taylor]: Taking taylor expansion of 1 in t
0.249 * [taylor]: Taking taylor expansion of 0 in y
0.250 * [taylor]: Taking taylor expansion of (- (/ 1 (* t z))) in z
0.250 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in z
0.250 * [taylor]: Taking taylor expansion of (* t z) in z
0.250 * [taylor]: Taking taylor expansion of t in z
0.250 * [taylor]: Taking taylor expansion of z in z
0.250 * [taylor]: Taking taylor expansion of (- (/ 1 t)) in t
0.250 * [taylor]: Taking taylor expansion of (/ 1 t) in t
0.250 * [taylor]: Taking taylor expansion of t in t
0.251 * [taylor]: Taking taylor expansion of 0 in z
0.251 * [taylor]: Taking taylor expansion of 0 in t
0.251 * [taylor]: Taking taylor expansion of 0 in t
0.253 * [taylor]: Taking taylor expansion of 0 in y
0.253 * [taylor]: Taking taylor expansion of 0 in z
0.254 * [taylor]: Taking taylor expansion of 0 in z
0.254 * [taylor]: Taking taylor expansion of 0 in z
0.255 * [taylor]: Taking taylor expansion of 0 in t
0.255 * [taylor]: Taking taylor expansion of 0 in t
0.255 * [taylor]: Taking taylor expansion of 0 in t
0.255 * [taylor]: Taking taylor expansion of 0 in t
0.258 * [taylor]: Taking taylor expansion of 0 in y
0.259 * [taylor]: Taking taylor expansion of 0 in z
0.259 * [taylor]: Taking taylor expansion of 0 in z
0.259 * [taylor]: Taking taylor expansion of 0 in z
0.260 * [taylor]: Taking taylor expansion of 0 in z
0.260 * [taylor]: Taking taylor expansion of 0 in t
0.260 * [taylor]: Taking taylor expansion of 0 in t
0.260 * [taylor]: Taking taylor expansion of 0 in t
0.261 * [taylor]: Taking taylor expansion of 0 in t
0.261 * [taylor]: Taking taylor expansion of 0 in t
0.261 * [taylor]: Taking taylor expansion of 0 in t
0.261 * [taylor]: Taking taylor expansion of 0 in t
0.261 * * * [progress]: simplifying candidates
0.262 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (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
  (- (* x y) (* t z))
  (- (* x y) (* t z))
0.264 * * [simplify]: iteration  0 :  30  enodes  (cost  55 )
0.266 * * [simplify]: iteration  1 :  59  enodes  (cost  48 )
0.267 * * [simplify]: iteration  2 :  197  enodes  (cost  48 )
0.272 * * [simplify]: iteration  3 :  764  enodes  (cost  48 )
0.294 * * [simplify]: iteration  4 :  4225  enodes  (cost  48 )
0.386 * * [simplify]: iteration  5 :  5001  enodes  (cost  48 )
0.387 * [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 (- (* x y) (* t z)) 3)
  (sqrt (fma x y (- (* z t))))
  (sqrt (fma x y (- (* z t))))
  0
  (- (* x y) (* t z))
  (- (* x y) (* t z))
0.387 * * * [progress]: adding candidates to table
0.421 * [progress]: [Phase 3 of 3] Extracting.
0.421 * * [regime]: Finding splitpoints for: (#<alt (λ (x y z t) (- (* x y) (* z t)))> #<alt (λ (x y z t) (fma x y (- (* z t))))>)
0.421 * * * [regime-changes]: Trying 7 branch expressions: ((* z t) (* x y) (- (* x y) (* z t)) t z y x)
0.421 * * * * [regimes]: Trying to branch on (* z t) from (#<alt (λ (x y z t) (- (* x y) (* z t)))> #<alt (λ (x y z t) (fma x y (- (* z t))))>)
0.434 * * * * [regimes]: Trying to branch on (* x y) from (#<alt (λ (x y z t) (- (* x y) (* z t)))> #<alt (λ (x y z t) (fma x y (- (* z t))))>)
0.447 * * * * [regimes]: Trying to branch on (- (* x y) (* z t)) from (#<alt (λ (x y z t) (- (* x y) (* z t)))> #<alt (λ (x y z t) (fma x y (- (* z t))))>)
0.463 * * * * [regimes]: Trying to branch on t from (#<alt (λ (x y z t) (- (* x y) (* z t)))> #<alt (λ (x y z t) (fma x y (- (* z t))))>)
0.476 * * * * [regimes]: Trying to branch on z from (#<alt (λ (x y z t) (- (* x y) (* z t)))> #<alt (λ (x y z t) (fma x y (- (* z t))))>)
0.489 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y z t) (- (* x y) (* z t)))> #<alt (λ (x y z t) (fma x y (- (* z t))))>)
0.504 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y z t) (- (* x y) (* z t)))> #<alt (λ (x y z t) (fma x y (- (* z t))))>)
0.517 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
0.518 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (* x y) (* z t))
0.518 * * [simplify]: iteration  0 :  9  enodes  (cost  3 )
0.518 * * [simplify]: iteration  1 :  9  enodes  (cost  3 )
0.519 * [simplify]: Simplified to:
   (- (* x y) (* z t))
1.300 * [regime-testing]: Baseline error score: 0.011751468933616702
1.301 * [regime-testing]: Oracle error score: 0.005875734466808351
1.302 * [regime-testing]: End program error score: 0.011751468933616702