2.053 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.018 * * * [progress]: [2/2] Setting up program.
0.020 * [progress]: [Phase 2 of 3] Improving.
0.020 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (- (* x y) (* z t))
0.021 * * [simplify]: iteration  0 :  7  enodes  (cost  7 )
0.022 * * [simplify]: iteration  1 :  12  enodes  (cost  7 )
0.023 * * [simplify]: iteration  2 :  20  enodes  (cost  7 )
0.026 * * [simplify]: iteration  3 :  24  enodes  (cost  7 )
0.028 * * [simplify]: iteration  done :  24  enodes  (cost  7 )
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)
0.039 * * * [progress]: generating series expansions
0.039 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.040 * [approximate]: Taking taylor expansion of (- (* x y) (* t z)) in (x y z t) around 0
0.040 * [taylor]: Taking taylor expansion of (- (* x y) (* t z)) in t
0.040 * [taylor]: Taking taylor expansion of (* x y) in t
0.040 * [taylor]: Taking taylor expansion of x in t
0.040 * [taylor]: Taking taylor expansion of y in t
0.040 * [taylor]: Taking taylor expansion of (* t z) in t
0.040 * [taylor]: Taking taylor expansion of t in t
0.040 * [taylor]: Taking taylor expansion of z in t
0.040 * [taylor]: Taking taylor expansion of (- (* x y) (* t z)) in z
0.040 * [taylor]: Taking taylor expansion of (* x y) in z
0.040 * [taylor]: Taking taylor expansion of x in z
0.040 * [taylor]: Taking taylor expansion of y in z
0.040 * [taylor]: Taking taylor expansion of (* t z) in z
0.040 * [taylor]: Taking taylor expansion of t in z
0.040 * [taylor]: Taking taylor expansion of z in z
0.040 * [taylor]: Taking taylor expansion of (- (* x y) (* t z)) in y
0.040 * [taylor]: Taking taylor expansion of (* x y) in y
0.040 * [taylor]: Taking taylor expansion of x in y
0.040 * [taylor]: Taking taylor expansion of y in y
0.040 * [taylor]: Taking taylor expansion of (* t z) in y
0.040 * [taylor]: Taking taylor expansion of t in y
0.040 * [taylor]: Taking taylor expansion of z in y
0.040 * [taylor]: Taking taylor expansion of (- (* x y) (* t z)) in x
0.040 * [taylor]: Taking taylor expansion of (* x y) in x
0.040 * [taylor]: Taking taylor expansion of x in x
0.040 * [taylor]: Taking taylor expansion of y in x
0.040 * [taylor]: Taking taylor expansion of (* t z) in x
0.040 * [taylor]: Taking taylor expansion of t in x
0.040 * [taylor]: Taking taylor expansion of z in x
0.040 * [taylor]: Taking taylor expansion of (- (* x y) (* t z)) in x
0.040 * [taylor]: Taking taylor expansion of (* x y) in x
0.040 * [taylor]: Taking taylor expansion of x in x
0.040 * [taylor]: Taking taylor expansion of y in x
0.040 * [taylor]: Taking taylor expansion of (* t z) in x
0.040 * [taylor]: Taking taylor expansion of t in x
0.040 * [taylor]: Taking taylor expansion of z in x
0.040 * [taylor]: Taking taylor expansion of (- (* t z)) in y
0.040 * [taylor]: Taking taylor expansion of (* t z) in y
0.040 * [taylor]: Taking taylor expansion of t in y
0.040 * [taylor]: Taking taylor expansion of z in y
0.040 * [taylor]: Taking taylor expansion of (- (* t z)) in z
0.040 * [taylor]: Taking taylor expansion of (* t z) in z
0.040 * [taylor]: Taking taylor expansion of t in z
0.040 * [taylor]: Taking taylor expansion of z in z
0.041 * [taylor]: Taking taylor expansion of 0 in t
0.041 * [taylor]: Taking taylor expansion of y in y
0.041 * [taylor]: Taking taylor expansion of 0 in z
0.041 * [taylor]: Taking taylor expansion of 0 in t
0.042 * [taylor]: Taking taylor expansion of 0 in z
0.042 * [taylor]: Taking taylor expansion of 0 in t
0.042 * [taylor]: Taking taylor expansion of (- t) in t
0.042 * [taylor]: Taking taylor expansion of t in t
0.043 * [taylor]: Taking taylor expansion of 0 in y
0.044 * [taylor]: Taking taylor expansion of 0 in z
0.044 * [taylor]: Taking taylor expansion of 0 in t
0.044 * [approximate]: Taking taylor expansion of (- (/ 1 (* x y)) (/ 1 (* t z))) in (x y z t) around 0
0.044 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (/ 1 (* t z))) in t
0.044 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in t
0.044 * [taylor]: Taking taylor expansion of (* x y) in t
0.044 * [taylor]: Taking taylor expansion of x in t
0.044 * [taylor]: Taking taylor expansion of y in t
0.044 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in t
0.044 * [taylor]: Taking taylor expansion of (* t z) in t
0.044 * [taylor]: Taking taylor expansion of t in t
0.044 * [taylor]: Taking taylor expansion of z in t
0.044 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (/ 1 (* t z))) in z
0.044 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in z
0.044 * [taylor]: Taking taylor expansion of (* x y) in z
0.044 * [taylor]: Taking taylor expansion of x in z
0.044 * [taylor]: Taking taylor expansion of y in z
0.044 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in z
0.044 * [taylor]: Taking taylor expansion of (* t z) in z
0.044 * [taylor]: Taking taylor expansion of t in z
0.044 * [taylor]: Taking taylor expansion of z in z
0.045 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (/ 1 (* t z))) in y
0.045 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) 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 (/ 1 (* 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 (- (/ 1 (* x y)) (/ 1 (* t z))) in x
0.045 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) 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
0.046 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) 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 (- (/ 1 (* x y)) (/ 1 (* t z))) in x
0.046 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) 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 (/ 1 (* t z)) 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
0.049 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.049 * [taylor]: Taking taylor expansion of y in y
0.049 * [taylor]: Taking taylor expansion of 1 in z
0.050 * [taylor]: Taking taylor expansion of (- (/ 1 (* t z))) 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
0.051 * [taylor]: Taking taylor expansion of 0 in z
0.051 * [taylor]: Taking taylor expansion of 1 in t
0.052 * [taylor]: Taking taylor expansion of 0 in y
0.052 * [taylor]: Taking taylor expansion of (- (/ 1 (* t z))) 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
0.053 * [taylor]: Taking taylor expansion of (- (/ 1 t)) in t
0.053 * [taylor]: Taking taylor expansion of (/ 1 t) in t
0.053 * [taylor]: Taking taylor expansion of t in t
0.054 * [taylor]: Taking taylor expansion of 0 in z
0.054 * [taylor]: Taking taylor expansion of 0 in t
0.054 * [taylor]: Taking taylor expansion of 0 in t
0.056 * [taylor]: Taking taylor expansion of 0 in y
0.056 * [taylor]: Taking taylor expansion of 0 in z
0.056 * [taylor]: Taking taylor expansion of 0 in z
0.056 * [taylor]: Taking taylor expansion of 0 in z
0.057 * [taylor]: Taking taylor expansion of 0 in t
0.057 * [taylor]: Taking taylor expansion of 0 in t
0.057 * [taylor]: Taking taylor expansion of 0 in t
0.057 * [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
0.060 * [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 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
0.062 * [taylor]: Taking taylor expansion of 0 in t
0.062 * [taylor]: Taking taylor expansion of 0 in t
0.063 * [taylor]: Taking taylor expansion of 0 in t
0.063 * [approximate]: Taking taylor expansion of (- (/ 1 (* x y)) (/ 1 (* t z))) in (x y z t) around 0
0.063 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (/ 1 (* t z))) in t
0.063 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in t
0.063 * [taylor]: Taking taylor expansion of (* x y) in t
0.063 * [taylor]: Taking taylor expansion of x in t
0.063 * [taylor]: Taking taylor expansion of 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
0.064 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (/ 1 (* t z))) in z
0.064 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in z
0.064 * [taylor]: Taking taylor expansion of (* x y) in z
0.064 * [taylor]: Taking taylor expansion of x in z
0.064 * [taylor]: Taking taylor expansion of y in z
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
0.064 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (/ 1 (* t z))) in y
0.064 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
0.064 * [taylor]: Taking taylor expansion of (* x y) in y
0.064 * [taylor]: Taking taylor expansion of x in y
0.064 * [taylor]: Taking taylor expansion of 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)) (/ 1 (* t z))) in x
0.065 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.065 * [taylor]: Taking taylor expansion of (* x y) in x
0.065 * [taylor]: Taking taylor expansion of x in x
0.065 * [taylor]: Taking taylor expansion of y in x
0.065 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in x
0.065 * [taylor]: Taking taylor expansion of (* t z) in x
0.065 * [taylor]: Taking taylor expansion of t in x
0.065 * [taylor]: Taking taylor expansion of z in x
0.065 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (/ 1 (* t z))) in x
0.065 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.065 * [taylor]: Taking taylor expansion of (* x y) in x
0.065 * [taylor]: Taking taylor expansion of x in x
0.065 * [taylor]: Taking taylor expansion of 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 y) in y
0.066 * [taylor]: Taking taylor expansion of y in y
0.066 * [taylor]: Taking taylor expansion of 1 in z
0.067 * [taylor]: Taking taylor expansion of (- (/ 1 (* t z))) 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 0 in z
0.067 * [taylor]: Taking taylor expansion of 1 in t
0.069 * [taylor]: Taking taylor expansion of 0 in y
0.069 * [taylor]: Taking taylor expansion of (- (/ 1 (* t z))) 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 t)) in t
0.069 * [taylor]: Taking taylor expansion of (/ 1 t) in t
0.069 * [taylor]: Taking taylor expansion of t in t
0.070 * [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
0.078 * [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 z
0.079 * [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
0.080 * [taylor]: Taking taylor expansion of 0 in t
0.080 * [taylor]: Taking taylor expansion of 0 in t
0.080 * [taylor]: Taking taylor expansion of 0 in t
0.080 * [taylor]: Taking taylor expansion of 0 in t
0.081 * * * [progress]: simplifying candidates
0.081 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (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))
0.082 * * [simplify]: iteration  0 :  38  enodes  (cost  202 )
0.088 * * [simplify]: iteration  1 :  102  enodes  (cost  193 )
0.107 * * [simplify]: iteration  2 :  314  enodes  (cost  178 )
0.198 * * [simplify]: iteration  3 :  879  enodes  (cost  178 )
0.565 * * [simplify]: iteration  4 :  2009  enodes  (cost  173 )
1.538 * * [simplify]: iteration  done :  5001  enodes  (cost  173 )
1.538 * [simplify]: Simplified to:
   (- (* x y) (* z t))
  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) (* z t)) 3)
  (sqrt (- (* x y) (* z t)))
  (sqrt (- (* x y) (* z t)))
  (- (pow (* x y) 3) (pow (* z t) 3))
  (fma (* x y) (* x y) (* (* z t) (fma x y (* z t))))
  (- (* z t))
  (* (fma x y (* z t)) (- (* x y) (* z t)))
  (fma x y (* z t))
  (- (* z t))
  0
  (- (* x y) (* z t))
  (- (* x y) (* z t))
1.538 * * * [progress]: adding candidates to table
1.582 * * [progress]: iteration 2 / 4
1.582 * * * [progress]: picking best candidate
1.584 * * * * [pick]: Picked  #<alt (λ (x y z t) (fma x y (- (* z t))))>
1.584 * * * [progress]: localizing error
1.591 * * * [progress]: generating rewritten candidates
1.591 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
1.591 * * * [progress]: generating series expansions
1.591 * * * * [progress]: [ 1 / 1 ] generating series at (2)
1.591 * [approximate]: Taking taylor expansion of (fma x y (- (* t z))) in (x y z t) around 0
1.591 * [taylor]: Taking taylor expansion of (fma x y (- (* t z))) in t
1.592 * [taylor]: Rewrote expression to (+ (* x y) (- (* t z)))
1.592 * [taylor]: Taking taylor expansion of (* x y) in t
1.592 * [taylor]: Taking taylor expansion of x in t
1.592 * [taylor]: Taking taylor expansion of y in t
1.592 * [taylor]: Taking taylor expansion of (- (* t z)) in t
1.592 * [taylor]: Taking taylor expansion of (* t z) in t
1.592 * [taylor]: Taking taylor expansion of t in t
1.592 * [taylor]: Taking taylor expansion of z in t
1.592 * [taylor]: Taking taylor expansion of (fma x y (- (* t z))) in z
1.592 * [taylor]: Rewrote expression to (+ (* x y) (- (* t z)))
1.592 * [taylor]: Taking taylor expansion of (* x y) in z
1.592 * [taylor]: Taking taylor expansion of x in z
1.592 * [taylor]: Taking taylor expansion of y in z
1.592 * [taylor]: Taking taylor expansion of (- (* t z)) in z
1.592 * [taylor]: Taking taylor expansion of (* t z) in z
1.592 * [taylor]: Taking taylor expansion of t in z
1.592 * [taylor]: Taking taylor expansion of z in z
1.592 * [taylor]: Taking taylor expansion of (fma x y (- (* t z))) in y
1.592 * [taylor]: Rewrote expression to (+ (* x y) (- (* t z)))
1.592 * [taylor]: Taking taylor expansion of (* x y) in y
1.592 * [taylor]: Taking taylor expansion of x in y
1.592 * [taylor]: Taking taylor expansion of y in y
1.592 * [taylor]: Taking taylor expansion of (- (* t z)) in y
1.592 * [taylor]: Taking taylor expansion of (* t z) in y
1.592 * [taylor]: Taking taylor expansion of t in y
1.592 * [taylor]: Taking taylor expansion of z in y
1.592 * [taylor]: Taking taylor expansion of (fma x y (- (* t z))) in x
1.592 * [taylor]: Rewrote expression to (+ (* x y) (- (* t z)))
1.592 * [taylor]: Taking taylor expansion of (* x y) in x
1.592 * [taylor]: Taking taylor expansion of x in x
1.592 * [taylor]: Taking taylor expansion of y in x
1.592 * [taylor]: Taking taylor expansion of (- (* t z)) in x
1.592 * [taylor]: Taking taylor expansion of (* t z) in x
1.592 * [taylor]: Taking taylor expansion of t in x
1.592 * [taylor]: Taking taylor expansion of z in x
1.592 * [taylor]: Taking taylor expansion of (fma x y (- (* t z))) in x
1.592 * [taylor]: Rewrote expression to (+ (* x y) (- (* t z)))
1.592 * [taylor]: Taking taylor expansion of (* x y) in x
1.592 * [taylor]: Taking taylor expansion of x in x
1.592 * [taylor]: Taking taylor expansion of y in x
1.592 * [taylor]: Taking taylor expansion of (- (* t z)) in x
1.592 * [taylor]: Taking taylor expansion of (* t z) in x
1.592 * [taylor]: Taking taylor expansion of t in x
1.593 * [taylor]: Taking taylor expansion of z in x
1.593 * [taylor]: Taking taylor expansion of (- (* t z)) in y
1.593 * [taylor]: Taking taylor expansion of (* t z) in y
1.593 * [taylor]: Taking taylor expansion of t in y
1.593 * [taylor]: Taking taylor expansion of z in y
1.593 * [taylor]: Taking taylor expansion of (- (* t z)) in z
1.593 * [taylor]: Taking taylor expansion of (* t z) in z
1.593 * [taylor]: Taking taylor expansion of t in z
1.593 * [taylor]: Taking taylor expansion of z in z
1.593 * [taylor]: Taking taylor expansion of 0 in t
1.594 * [taylor]: Taking taylor expansion of y in y
1.594 * [taylor]: Taking taylor expansion of 0 in z
1.594 * [taylor]: Taking taylor expansion of 0 in t
1.594 * [taylor]: Taking taylor expansion of 0 in z
1.594 * [taylor]: Taking taylor expansion of 0 in t
1.594 * [taylor]: Taking taylor expansion of (- t) in t
1.594 * [taylor]: Taking taylor expansion of t in t
1.596 * [taylor]: Taking taylor expansion of 0 in y
1.596 * [taylor]: Taking taylor expansion of 0 in z
1.596 * [taylor]: Taking taylor expansion of 0 in t
1.596 * [approximate]: Taking taylor expansion of (fma (/ 1 x) (/ 1 y) (- (/ 1 (* t z)))) in (x y z t) around 0
1.596 * [taylor]: Taking taylor expansion of (fma (/ 1 x) (/ 1 y) (- (/ 1 (* t z)))) in t
1.596 * [taylor]: Rewrote expression to (+ (* (/ 1 x) (/ 1 y)) (- (/ 1 (* t z))))
1.596 * [taylor]: Taking taylor expansion of (* (/ 1 x) (/ 1 y)) in t
1.596 * [taylor]: Taking taylor expansion of (/ 1 x) in t
1.596 * [taylor]: Taking taylor expansion of x in t
1.596 * [taylor]: Taking taylor expansion of (/ 1 y) in t
1.596 * [taylor]: Taking taylor expansion of y in t
1.596 * [taylor]: Taking taylor expansion of (- (/ 1 (* t z))) in t
1.596 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in t
1.596 * [taylor]: Taking taylor expansion of (* t z) in t
1.596 * [taylor]: Taking taylor expansion of t in t
1.596 * [taylor]: Taking taylor expansion of z in t
1.597 * [taylor]: Taking taylor expansion of (fma (/ 1 x) (/ 1 y) (- (/ 1 (* t z)))) in z
1.597 * [taylor]: Rewrote expression to (+ (* (/ 1 x) (/ 1 y)) (- (/ 1 (* t z))))
1.597 * [taylor]: Taking taylor expansion of (* (/ 1 x) (/ 1 y)) in z
1.597 * [taylor]: Taking taylor expansion of (/ 1 x) in z
1.597 * [taylor]: Taking taylor expansion of x in z
1.597 * [taylor]: Taking taylor expansion of (/ 1 y) in z
1.597 * [taylor]: Taking taylor expansion of y in z
1.597 * [taylor]: Taking taylor expansion of (- (/ 1 (* t z))) in z
1.597 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in z
1.597 * [taylor]: Taking taylor expansion of (* t z) in z
1.597 * [taylor]: Taking taylor expansion of t in z
1.597 * [taylor]: Taking taylor expansion of z in z
1.597 * [taylor]: Taking taylor expansion of (fma (/ 1 x) (/ 1 y) (- (/ 1 (* t z)))) in y
1.597 * [taylor]: Rewrote expression to (+ (* (/ 1 x) (/ 1 y)) (- (/ 1 (* t z))))
1.598 * [taylor]: Taking taylor expansion of (* (/ 1 x) (/ 1 y)) in y
1.598 * [taylor]: Taking taylor expansion of (/ 1 x) in y
1.598 * [taylor]: Taking taylor expansion of x in y
1.598 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.598 * [taylor]: Taking taylor expansion of y in y
1.598 * [taylor]: Taking taylor expansion of (- (/ 1 (* t z))) in y
1.598 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in y
1.598 * [taylor]: Taking taylor expansion of (* t z) in y
1.598 * [taylor]: Taking taylor expansion of t in y
1.598 * [taylor]: Taking taylor expansion of z in y
1.598 * [taylor]: Taking taylor expansion of (fma (/ 1 x) (/ 1 y) (- (/ 1 (* t z)))) in x
1.598 * [taylor]: Rewrote expression to (+ (* (/ 1 x) (/ 1 y)) (- (/ 1 (* t z))))
1.598 * [taylor]: Taking taylor expansion of (* (/ 1 x) (/ 1 y)) in x
1.598 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.598 * [taylor]: Taking taylor expansion of x in x
1.598 * [taylor]: Taking taylor expansion of (/ 1 y) in x
1.598 * [taylor]: Taking taylor expansion of y in x
1.598 * [taylor]: Taking taylor expansion of (- (/ 1 (* t z))) in x
1.598 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in x
1.598 * [taylor]: Taking taylor expansion of (* t z) in x
1.599 * [taylor]: Taking taylor expansion of t in x
1.599 * [taylor]: Taking taylor expansion of z in x
1.599 * [taylor]: Taking taylor expansion of (fma (/ 1 x) (/ 1 y) (- (/ 1 (* t z)))) in x
1.599 * [taylor]: Rewrote expression to (+ (* (/ 1 x) (/ 1 y)) (- (/ 1 (* t z))))
1.599 * [taylor]: Taking taylor expansion of (* (/ 1 x) (/ 1 y)) in x
1.599 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.599 * [taylor]: Taking taylor expansion of x in x
1.599 * [taylor]: Taking taylor expansion of (/ 1 y) in x
1.599 * [taylor]: Taking taylor expansion of y in x
1.599 * [taylor]: Taking taylor expansion of (- (/ 1 (* t z))) in x
1.599 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in x
1.599 * [taylor]: Taking taylor expansion of (* t z) in x
1.599 * [taylor]: Taking taylor expansion of t in x
1.599 * [taylor]: Taking taylor expansion of z in x
1.599 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.599 * [taylor]: Taking taylor expansion of y in y
1.600 * [taylor]: Taking taylor expansion of 1 in z
1.600 * [taylor]: Taking taylor expansion of (- (/ 1 (* t z))) in y
1.600 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in y
1.600 * [taylor]: Taking taylor expansion of (* t z) in y
1.600 * [taylor]: Taking taylor expansion of t in y
1.601 * [taylor]: Taking taylor expansion of z in y
1.601 * [taylor]: Taking taylor expansion of 0 in z
1.601 * [taylor]: Taking taylor expansion of 1 in t
1.603 * [taylor]: Taking taylor expansion of 0 in y
1.603 * [taylor]: Taking taylor expansion of (- (/ 1 (* t z))) in z
1.603 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in z
1.603 * [taylor]: Taking taylor expansion of (* t z) in z
1.603 * [taylor]: Taking taylor expansion of t in z
1.603 * [taylor]: Taking taylor expansion of z in z
1.603 * [taylor]: Taking taylor expansion of (- (/ 1 t)) in t
1.603 * [taylor]: Taking taylor expansion of (/ 1 t) in t
1.603 * [taylor]: Taking taylor expansion of t in t
1.604 * [taylor]: Taking taylor expansion of 0 in z
1.604 * [taylor]: Taking taylor expansion of 0 in t
1.604 * [taylor]: Taking taylor expansion of 0 in t
1.607 * [taylor]: Taking taylor expansion of 0 in y
1.607 * [taylor]: Taking taylor expansion of 0 in z
1.607 * [taylor]: Taking taylor expansion of 0 in z
1.608 * [taylor]: Taking taylor expansion of 0 in z
1.608 * [taylor]: Taking taylor expansion of 0 in t
1.608 * [taylor]: Taking taylor expansion of 0 in t
1.609 * [taylor]: Taking taylor expansion of 0 in t
1.609 * [taylor]: Taking taylor expansion of 0 in t
1.612 * [taylor]: Taking taylor expansion of 0 in y
1.612 * [taylor]: Taking taylor expansion of 0 in z
1.612 * [taylor]: Taking taylor expansion of 0 in z
1.613 * [taylor]: Taking taylor expansion of 0 in z
1.614 * [taylor]: Taking taylor expansion of 0 in z
1.614 * [taylor]: Taking taylor expansion of 0 in t
1.614 * [taylor]: Taking taylor expansion of 0 in t
1.614 * [taylor]: Taking taylor expansion of 0 in t
1.615 * [taylor]: Taking taylor expansion of 0 in t
1.615 * [taylor]: Taking taylor expansion of 0 in t
1.615 * [taylor]: Taking taylor expansion of 0 in t
1.615 * [taylor]: Taking taylor expansion of 0 in t
1.615 * [approximate]: Taking taylor expansion of (fma (/ -1 x) (/ -1 y) (- (/ 1 (* t z)))) in (x y z t) around 0
1.615 * [taylor]: Taking taylor expansion of (fma (/ -1 x) (/ -1 y) (- (/ 1 (* t z)))) in t
1.616 * [taylor]: Rewrote expression to (+ (* (/ -1 x) (/ -1 y)) (- (/ 1 (* t z))))
1.616 * [taylor]: Taking taylor expansion of (* (/ -1 x) (/ -1 y)) in t
1.616 * [taylor]: Taking taylor expansion of (/ -1 x) in t
1.616 * [taylor]: Taking taylor expansion of -1 in t
1.616 * [taylor]: Taking taylor expansion of x in t
1.616 * [taylor]: Taking taylor expansion of (/ -1 y) in t
1.616 * [taylor]: Taking taylor expansion of -1 in t
1.616 * [taylor]: Taking taylor expansion of y in t
1.616 * [taylor]: Taking taylor expansion of (- (/ 1 (* t z))) in t
1.616 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in t
1.616 * [taylor]: Taking taylor expansion of (* t z) in t
1.616 * [taylor]: Taking taylor expansion of t in t
1.616 * [taylor]: Taking taylor expansion of z in t
1.616 * [taylor]: Taking taylor expansion of (fma (/ -1 x) (/ -1 y) (- (/ 1 (* t z)))) in z
1.616 * [taylor]: Rewrote expression to (+ (* (/ -1 x) (/ -1 y)) (- (/ 1 (* t z))))
1.616 * [taylor]: Taking taylor expansion of (* (/ -1 x) (/ -1 y)) in z
1.616 * [taylor]: Taking taylor expansion of (/ -1 x) in z
1.616 * [taylor]: Taking taylor expansion of -1 in z
1.616 * [taylor]: Taking taylor expansion of x in z
1.616 * [taylor]: Taking taylor expansion of (/ -1 y) in z
1.616 * [taylor]: Taking taylor expansion of -1 in z
1.616 * [taylor]: Taking taylor expansion of y in z
1.616 * [taylor]: Taking taylor expansion of (- (/ 1 (* t z))) in z
1.616 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in z
1.616 * [taylor]: Taking taylor expansion of (* t z) in z
1.617 * [taylor]: Taking taylor expansion of t in z
1.617 * [taylor]: Taking taylor expansion of z in z
1.617 * [taylor]: Taking taylor expansion of (fma (/ -1 x) (/ -1 y) (- (/ 1 (* t z)))) in y
1.617 * [taylor]: Rewrote expression to (+ (* (/ -1 x) (/ -1 y)) (- (/ 1 (* t z))))
1.617 * [taylor]: Taking taylor expansion of (* (/ -1 x) (/ -1 y)) in y
1.617 * [taylor]: Taking taylor expansion of (/ -1 x) in y
1.617 * [taylor]: Taking taylor expansion of -1 in y
1.617 * [taylor]: Taking taylor expansion of x in y
1.617 * [taylor]: Taking taylor expansion of (/ -1 y) in y
1.617 * [taylor]: Taking taylor expansion of -1 in y
1.617 * [taylor]: Taking taylor expansion of y in y
1.617 * [taylor]: Taking taylor expansion of (- (/ 1 (* t z))) in y
1.617 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in y
1.617 * [taylor]: Taking taylor expansion of (* t z) in y
1.617 * [taylor]: Taking taylor expansion of t in y
1.617 * [taylor]: Taking taylor expansion of z in y
1.618 * [taylor]: Taking taylor expansion of (fma (/ -1 x) (/ -1 y) (- (/ 1 (* t z)))) in x
1.618 * [taylor]: Rewrote expression to (+ (* (/ -1 x) (/ -1 y)) (- (/ 1 (* t z))))
1.618 * [taylor]: Taking taylor expansion of (* (/ -1 x) (/ -1 y)) in x
1.618 * [taylor]: Taking taylor expansion of (/ -1 x) in x
1.618 * [taylor]: Taking taylor expansion of -1 in x
1.618 * [taylor]: Taking taylor expansion of x in x
1.618 * [taylor]: Taking taylor expansion of (/ -1 y) in x
1.618 * [taylor]: Taking taylor expansion of -1 in x
1.618 * [taylor]: Taking taylor expansion of y in x
1.618 * [taylor]: Taking taylor expansion of (- (/ 1 (* t z))) in x
1.618 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in x
1.618 * [taylor]: Taking taylor expansion of (* t z) in x
1.618 * [taylor]: Taking taylor expansion of t in x
1.618 * [taylor]: Taking taylor expansion of z in x
1.618 * [taylor]: Taking taylor expansion of (fma (/ -1 x) (/ -1 y) (- (/ 1 (* t z)))) in x
1.618 * [taylor]: Rewrote expression to (+ (* (/ -1 x) (/ -1 y)) (- (/ 1 (* t z))))
1.618 * [taylor]: Taking taylor expansion of (* (/ -1 x) (/ -1 y)) in x
1.618 * [taylor]: Taking taylor expansion of (/ -1 x) in x
1.618 * [taylor]: Taking taylor expansion of -1 in x
1.618 * [taylor]: Taking taylor expansion of x in x
1.619 * [taylor]: Taking taylor expansion of (/ -1 y) in x
1.619 * [taylor]: Taking taylor expansion of -1 in x
1.619 * [taylor]: Taking taylor expansion of y in x
1.619 * [taylor]: Taking taylor expansion of (- (/ 1 (* t z))) in x
1.619 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in x
1.619 * [taylor]: Taking taylor expansion of (* t z) in x
1.619 * [taylor]: Taking taylor expansion of t in x
1.619 * [taylor]: Taking taylor expansion of z in x
1.619 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.619 * [taylor]: Taking taylor expansion of y in y
1.619 * [taylor]: Taking taylor expansion of 1 in z
1.620 * [taylor]: Taking taylor expansion of (- (/ 1 (* t z))) in y
1.620 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in y
1.620 * [taylor]: Taking taylor expansion of (* t z) in y
1.620 * [taylor]: Taking taylor expansion of t in y
1.620 * [taylor]: Taking taylor expansion of z in y
1.621 * [taylor]: Taking taylor expansion of 0 in z
1.621 * [taylor]: Taking taylor expansion of 1 in t
1.623 * [taylor]: Taking taylor expansion of 0 in y
1.623 * [taylor]: Taking taylor expansion of (- (/ 1 (* t z))) in z
1.623 * [taylor]: Taking taylor expansion of (/ 1 (* t z)) in z
1.623 * [taylor]: Taking taylor expansion of (* t z) in z
1.623 * [taylor]: Taking taylor expansion of t in z
1.623 * [taylor]: Taking taylor expansion of z in z
1.623 * [taylor]: Taking taylor expansion of (- (/ 1 t)) in t
1.623 * [taylor]: Taking taylor expansion of (/ 1 t) in t
1.623 * [taylor]: Taking taylor expansion of t in t
1.624 * [taylor]: Taking taylor expansion of 0 in z
1.624 * [taylor]: Taking taylor expansion of 0 in t
1.624 * [taylor]: Taking taylor expansion of 0 in t
1.626 * [taylor]: Taking taylor expansion of 0 in y
1.626 * [taylor]: Taking taylor expansion of 0 in z
1.627 * [taylor]: Taking taylor expansion of 0 in z
1.627 * [taylor]: Taking taylor expansion of 0 in z
1.628 * [taylor]: Taking taylor expansion of 0 in t
1.628 * [taylor]: Taking taylor expansion of 0 in t
1.628 * [taylor]: Taking taylor expansion of 0 in t
1.628 * [taylor]: Taking taylor expansion of 0 in t
1.631 * [taylor]: Taking taylor expansion of 0 in y
1.632 * [taylor]: Taking taylor expansion of 0 in z
1.632 * [taylor]: Taking taylor expansion of 0 in z
1.632 * [taylor]: Taking taylor expansion of 0 in z
1.633 * [taylor]: Taking taylor expansion of 0 in z
1.633 * [taylor]: Taking taylor expansion of 0 in t
1.633 * [taylor]: Taking taylor expansion of 0 in t
1.633 * [taylor]: Taking taylor expansion of 0 in t
1.634 * [taylor]: Taking taylor expansion of 0 in t
1.634 * [taylor]: Taking taylor expansion of 0 in t
1.634 * [taylor]: Taking taylor expansion of 0 in t
1.634 * [taylor]: Taking taylor expansion of 0 in t
1.634 * * * [progress]: simplifying candidates
1.635 * [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
  (- (* x y) (* t z))
  (- (* x y) (* t z))
1.636 * * [simplify]: iteration  0 :  20  enodes  (cost  114 )
1.638 * * [simplify]: iteration  1 :  27  enodes  (cost  114 )
1.641 * * [simplify]: iteration  2 :  50  enodes  (cost  100 )
1.653 * * [simplify]: iteration  3 :  166  enodes  (cost  100 )
1.701 * * [simplify]: iteration  4 :  618  enodes  (cost  100 )
2.085 * * [simplify]: iteration  5 :  2612  enodes  (cost  100 )
3.475 * * [simplify]: iteration  done :  5000  enodes  (cost  100 )
3.475 * [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)))
3.475 * * * [progress]: adding candidates to table
3.511 * [progress]: [Phase 3 of 3] Extracting.
3.513 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (fma x y (- (* z t)))
3.513 * * [simplify]: iteration  0 :  7  enodes  (cost  7 )
3.514 * * [simplify]: iteration  1 :  12  enodes  (cost  7 )
3.514 * * [simplify]: iteration  2 :  14  enodes  (cost  7 )
3.515 * * [simplify]: iteration  done :  14  enodes  (cost  7 )
3.515 * [simplify]: Simplified to:
   (fma x y (- (* z t)))
4.127 * [regime-testing]: End program error score: 0.0051987701588600025