3.731 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.020 * * * [progress]: [2/2] Setting up program.
0.022 * [progress]: [Phase 2 of 3] Improving.
0.022 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (* x y) (* z t))
0.022 * [simplify]: Sending expressions to egg_math:
 (- (* h0 h1) (* h2 h3))
0.024 * * [simplify]: iteration  0 :  12  enodes  (cost  3 )
0.026 * * [simplify]: iteration  1 :  20  enodes  (cost  3 )
0.027 * * [simplify]: iteration  2 :  24  enodes  (cost  3 )
0.028 * * [simplify]: iteration  3 :  24  enodes  (cost  3 )
0.028 * [simplify]: Simplified to:
   (- (* x y) (* z t))
0.029 * * [progress]: iteration 1 / 4
0.029 * * * [progress]: picking best candidate
0.030 * * * * [pick]: Picked  #<alt (λ (x y z t) (- (* x y) (* z t)))>
0.030 * * * [progress]: localizing error
0.036 * * * [progress]: generating rewritten candidates
0.036 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.044 * * * [progress]: generating series expansions
0.044 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.045 * [approximate]: Taking taylor expansion of (- (* x y) (* t z)) in (x y z t) around 0
0.045 * [taylor]: Taking taylor expansion of (- (* x y) (* t z)) in t
0.045 * [taylor]: Taking taylor expansion of (* x y) in t
0.045 * [taylor]: Taking taylor expansion of x in t
0.045 * [taylor]: Taking taylor expansion of y in t
0.045 * [taylor]: Taking taylor expansion of (* t z) in t
0.045 * [taylor]: Taking taylor expansion of t in t
0.045 * [taylor]: Taking taylor expansion of z in t
0.045 * [taylor]: Taking taylor expansion of (- (* x y) (* t z)) in z
0.045 * [taylor]: Taking taylor expansion of (* x y) in z
0.045 * [taylor]: Taking taylor expansion of x in z
0.045 * [taylor]: Taking taylor expansion of y in z
0.045 * [taylor]: Taking taylor expansion of (* t z) in z
0.045 * [taylor]: Taking taylor expansion of t in z
0.045 * [taylor]: Taking taylor expansion of z in z
0.045 * [taylor]: Taking taylor expansion of (- (* x y) (* t z)) in y
0.045 * [taylor]: Taking taylor expansion of (* x y) in y
0.045 * [taylor]: Taking taylor expansion of x in y
0.045 * [taylor]: Taking taylor expansion of y in y
0.045 * [taylor]: Taking taylor expansion of (* t z) in y
0.045 * [taylor]: Taking taylor expansion of t in y
0.045 * [taylor]: Taking taylor expansion of z in y
0.045 * [taylor]: Taking taylor expansion of (- (* x y) (* t z)) in x
0.045 * [taylor]: Taking taylor expansion of (* x y) in x
0.045 * [taylor]: Taking taylor expansion of x in x
0.045 * [taylor]: Taking taylor expansion of y in x
0.045 * [taylor]: Taking taylor expansion of (* t z) in x
0.045 * [taylor]: Taking taylor expansion of t in x
0.045 * [taylor]: Taking taylor expansion of z in x
0.045 * [taylor]: Taking taylor expansion of (- (* x y) (* t z)) in x
0.045 * [taylor]: Taking taylor expansion of (* x y) in x
0.045 * [taylor]: Taking taylor expansion of x in x
0.045 * [taylor]: Taking taylor expansion of y in x
0.045 * [taylor]: Taking taylor expansion of (* t z) in x
0.045 * [taylor]: Taking taylor expansion of t in x
0.045 * [taylor]: Taking taylor expansion of z in x
0.045 * [taylor]: Taking taylor expansion of (- (* t z)) in y
0.045 * [taylor]: Taking taylor expansion of (* t z) in y
0.045 * [taylor]: Taking taylor expansion of t in y
0.045 * [taylor]: Taking taylor expansion of z in y
0.045 * [taylor]: Taking taylor expansion of (- (* t z)) in z
0.045 * [taylor]: Taking taylor expansion of (* t z) in z
0.045 * [taylor]: Taking taylor expansion of t in z
0.045 * [taylor]: Taking taylor expansion of z in z
0.046 * [taylor]: Taking taylor expansion of 0 in t
0.046 * [taylor]: Taking taylor expansion of y in y
0.046 * [taylor]: Taking taylor expansion of 0 in z
0.046 * [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
0.047 * [taylor]: Taking taylor expansion of (- t) in t
0.047 * [taylor]: Taking taylor expansion of t in t
0.048 * [taylor]: Taking taylor expansion of 0 in y
0.048 * [taylor]: Taking taylor expansion of 0 in z
0.048 * [taylor]: Taking taylor expansion of 0 in t
0.049 * [approximate]: Taking taylor expansion of (- (/ 1 (* x y)) (/ 1 (* t z))) in (x y z t) around 0
0.049 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (/ 1 (* t z))) in t
0.049 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in t
0.049 * [taylor]: Taking taylor expansion of (* x y) in t
0.049 * [taylor]: Taking taylor expansion of x in t
0.049 * [taylor]: Taking taylor expansion of 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
0.049 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (/ 1 (* t z))) in z
0.049 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in z
0.049 * [taylor]: Taking taylor expansion of (* x y) in z
0.049 * [taylor]: Taking taylor expansion of x in z
0.049 * [taylor]: Taking taylor expansion of y in z
0.049 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in z
0.049 * [taylor]: Taking taylor expansion of (* t z) in z
0.049 * [taylor]: Taking taylor expansion of t in z
0.049 * [taylor]: Taking taylor expansion of z in z
0.049 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (/ 1 (* t z))) in y
0.049 * [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
0.050 * [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)) (/ 1 (* t z))) in x
0.050 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.050 * [taylor]: Taking taylor expansion of (* x y) in x
0.050 * [taylor]: Taking taylor expansion of x in x
0.050 * [taylor]: Taking taylor expansion of y in x
0.050 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in x
0.050 * [taylor]: Taking taylor expansion of (* t z) in x
0.050 * [taylor]: Taking taylor expansion of t in x
0.050 * [taylor]: Taking taylor expansion of z in x
0.050 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (/ 1 (* t z))) in x
0.050 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.050 * [taylor]: Taking taylor expansion of (* x y) in x
0.050 * [taylor]: Taking taylor expansion of x in x
0.050 * [taylor]: Taking taylor expansion of 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 y) in y
0.051 * [taylor]: Taking taylor expansion of y in y
0.051 * [taylor]: Taking taylor expansion of 1 in z
0.052 * [taylor]: Taking taylor expansion of (- (/ 1 (* t z))) in y
0.052 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in y
0.052 * [taylor]: Taking taylor expansion of (* t z) in y
0.052 * [taylor]: Taking taylor expansion of t in y
0.052 * [taylor]: Taking taylor expansion of z in y
0.052 * [taylor]: Taking taylor expansion of 0 in z
0.052 * [taylor]: Taking taylor expansion of 1 in t
0.054 * [taylor]: Taking taylor expansion of 0 in y
0.054 * [taylor]: Taking taylor expansion of (- (/ 1 (* t z))) in z
0.054 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) 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 (- (/ 1 t)) in t
0.054 * [taylor]: Taking taylor expansion of (/ 1 t) in t
0.054 * [taylor]: Taking taylor expansion of t in t
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 t
0.057 * [taylor]: Taking taylor expansion of 0 in y
0.057 * [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
0.063 * [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
0.064 * [taylor]: Taking taylor expansion of 0 in t
0.064 * [taylor]: Taking taylor expansion of 0 in t
0.064 * [taylor]: Taking taylor expansion of 0 in t
0.064 * [taylor]: Taking taylor expansion of 0 in t
0.065 * [approximate]: Taking taylor expansion of (- (/ 1 (* x y)) (/ 1 (* t z))) in (x y z t) around 0
0.065 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (/ 1 (* t 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
0.066 * [taylor]: Taking taylor expansion of x in t
0.066 * [taylor]: Taking taylor expansion of y in t
0.066 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in t
0.066 * [taylor]: Taking taylor expansion of (* t z) in t
0.066 * [taylor]: Taking taylor expansion of t in t
0.066 * [taylor]: Taking taylor expansion of z in t
0.066 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (/ 1 (* t z))) in z
0.066 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in z
0.066 * [taylor]: Taking taylor expansion of (* x y) in z
0.066 * [taylor]: Taking taylor expansion of x in z
0.066 * [taylor]: Taking taylor expansion of y in z
0.066 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in z
0.066 * [taylor]: Taking taylor expansion of (* t z) in z
0.066 * [taylor]: Taking taylor expansion of t in z
0.066 * [taylor]: Taking taylor expansion of z in z
0.066 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (/ 1 (* t z))) in y
0.067 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
0.067 * [taylor]: Taking taylor expansion of (* x y) in y
0.067 * [taylor]: Taking taylor expansion of x in y
0.067 * [taylor]: Taking taylor expansion of y in y
0.067 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in y
0.067 * [taylor]: Taking taylor expansion of (* t z) in y
0.067 * [taylor]: Taking taylor expansion of t in y
0.067 * [taylor]: Taking taylor expansion of z in y
0.067 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (/ 1 (* t 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 (* t z)) in x
0.067 * [taylor]: Taking taylor expansion of (* t z) in x
0.067 * [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)) (/ 1 (* t z))) in x
0.067 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.068 * [taylor]: Taking taylor expansion of (* x y) in x
0.068 * [taylor]: Taking taylor expansion of x in x
0.068 * [taylor]: Taking taylor expansion of y in x
0.068 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in x
0.068 * [taylor]: Taking taylor expansion of (* t z) in x
0.068 * [taylor]: Taking taylor expansion of t in x
0.068 * [taylor]: Taking taylor expansion of z in x
0.068 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.068 * [taylor]: Taking taylor expansion of y in y
0.068 * [taylor]: Taking taylor expansion of 1 in z
0.069 * [taylor]: Taking taylor expansion of (- (/ 1 (* t z))) 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 0 in z
0.070 * [taylor]: Taking taylor expansion of 1 in t
0.071 * [taylor]: Taking taylor expansion of 0 in y
0.071 * [taylor]: Taking taylor expansion of (- (/ 1 (* t z))) in z
0.071 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in z
0.071 * [taylor]: Taking taylor expansion of (* t z) in z
0.071 * [taylor]: Taking taylor expansion of t in z
0.071 * [taylor]: Taking taylor expansion of z in z
0.071 * [taylor]: Taking taylor expansion of (- (/ 1 t)) in t
0.071 * [taylor]: Taking taylor expansion of (/ 1 t) in t
0.071 * [taylor]: Taking taylor expansion of t in t
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
0.074 * [taylor]: Taking taylor expansion of 0 in y
0.074 * [taylor]: Taking taylor expansion of 0 in z
0.074 * [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 t
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
0.083 * [taylor]: Taking taylor expansion of 0 in y
0.083 * [taylor]: Taking taylor expansion of 0 in z
0.083 * [taylor]: Taking taylor expansion of 0 in z
0.084 * [taylor]: Taking taylor expansion of 0 in z
0.084 * [taylor]: Taking taylor expansion of 0 in z
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 * [taylor]: Taking taylor expansion of 0 in t
0.085 * [taylor]: Taking taylor expansion of 0 in t
0.085 * [taylor]: Taking taylor expansion of 0 in t
0.085 * [taylor]: Taking taylor expansion of 0 in t
0.086 * * * [progress]: simplifying candidates
0.086 * [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))
0.086 * [simplify]: Sending expressions to egg_math:
 (fma h0 h1 (- (* h2 h3)))
 (fma (- h2) h3 (* h2 h3))
 (expm1 (- (* h0 h1) (* h3 h2)))
 (log1p (- (* h0 h1) (* h3 h2)))
 (- (* h3 h2))
 (/ (exp (* h0 h1)) (exp (* h3 h2)))
 (log (- (* h0 h1) (* h3 h2)))
 (exp (- (* h0 h1) (* h3 h2)))
 (* (cbrt (- (* h0 h1) (* h3 h2))) (cbrt (- (* h0 h1) (* h3 h2))))
 (cbrt (- (* h0 h1) (* h3 h2)))
 (* (* (- (* h0 h1) (* h3 h2)) (- (* h0 h1) (* h3 h2))) (- (* h0 h1) (* h3 h2)))
 (sqrt (- (* h0 h1) (* h3 h2)))
 (sqrt (- (* h0 h1) (* h3 h2)))
 (- (pow (* h0 h1) 3) (pow (* h3 h2) 3))
 (+ (* (* h0 h1) (* h0 h1)) (+ (* (* h3 h2) (* h3 h2)) (* (* h0 h1) (* h3 h2))))
 (- (* h3 h2))
 (- (* (* h0 h1) (* h0 h1)) (* (* h3 h2) (* h3 h2)))
 (+ (* h0 h1) (* h3 h2))
 (- (* h3 h2))
 0
 (- (* h0 h1) (* h2 h3))
 (- (* h0 h1) (* h2 h3))
0.090 * * [simplify]: iteration  0 :  103  enodes  (cost  92 )
0.093 * * [simplify]: iteration  1 :  359  enodes  (cost  83 )
0.100 * * [simplify]: iteration  2 :  1102  enodes  (cost  83 )
0.119 * * [simplify]: iteration  3 :  2617  enodes  (cost  80 )
0.167 * * [simplify]: iteration  4 :  5002  enodes  (cost  80 )
0.168 * [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))
0.168 * * * [progress]: adding candidates to table
0.206 * * [progress]: iteration 2 / 4
0.206 * * * [progress]: picking best candidate
0.208 * * * * [pick]: Picked  #<alt (λ (x y z t) (fma x y (- (* z t))))>
0.208 * * * [progress]: localizing error
0.218 * * * [progress]: generating rewritten candidates
0.218 * * * [progress]: generating series expansions
0.218 * * * [progress]: simplifying candidates
0.218 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   
0.218 * [simplify]: Sending expressions to egg_math:
 
0.220 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
0.220 * [simplify]: Simplified to:
   
0.220 * * * [progress]: adding candidates to table
0.220 * [progress]: [Phase 3 of 3] Extracting.
0.222 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (fma x y (- (* z t)))
0.222 * [simplify]: Sending expressions to egg_math:
 (fma h0 h1 (- (* h2 h3)))
0.223 * * [simplify]: iteration  0 :  12  enodes  (cost  3 )
0.223 * * [simplify]: iteration  1 :  14  enodes  (cost  3 )
0.224 * * [simplify]: iteration  2 :  14  enodes  (cost  3 )
0.224 * [simplify]: Simplified to:
   (fma x y (- (* z t)))
0.882 * [regime-testing]: End program error score: 0.005750718839854982