18.940 * [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> :
   (+ (* (- 1.0 x) y) (* x z))
0.021 * * [simplify]: iteration  0 :  8  enodes  (cost  9 )
0.022 * * [simplify]: iteration  1 :  14  enodes  (cost  8 )
0.024 * * [simplify]: iteration  2 :  24  enodes  (cost  8 )
0.027 * * [simplify]: iteration  3 :  35  enodes  (cost  8 )
0.031 * * [simplify]: iteration  4 :  52  enodes  (cost  8 )
0.038 * * [simplify]: iteration  5 :  71  enodes  (cost  8 )
0.051 * * [simplify]: iteration  6 :  87  enodes  (cost  8 )
0.064 * * [simplify]: iteration  7 :  113  enodes  (cost  8 )
0.085 * * [simplify]: iteration  8 :  156  enodes  (cost  8 )
0.130 * * [simplify]: iteration  9 :  217  enodes  (cost  8 )
0.184 * * [simplify]: iteration  10 :  266  enodes  (cost  8 )
0.233 * * [simplify]: iteration  11 :  296  enodes  (cost  8 )
0.294 * * [simplify]: iteration  12 :  326  enodes  (cost  8 )
0.359 * * [simplify]: iteration  13 :  344  enodes  (cost  8 )
0.430 * * [simplify]: iteration  14 :  346  enodes  (cost  8 )
0.498 * * [simplify]: iteration  done :  346  enodes  (cost  8 )
0.498 * [simplify]: Simplified to:
   (fma (- 1.0 x) y (* x z))
0.502 * * [progress]: iteration 1 / 4
0.502 * * * [progress]: picking best candidate
0.504 * * * * [pick]: Picked  #<alt (λ (x y z) (fma (- 1.0 x) y (* x z)))>
0.504 * * * [progress]: localizing error
0.512 * * * [progress]: generating rewritten candidates
0.512 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.513 * * * [progress]: generating series expansions
0.513 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.513 * [approximate]: Taking taylor expansion of (fma (- 1.0 x) y (* x z)) in (x y z) around 0
0.513 * [taylor]: Taking taylor expansion of (fma (- 1.0 x) y (* x z)) in z
0.513 * [taylor]: Rewrote expression to (+ (* (- 1.0 x) y) (* x z))
0.513 * [taylor]: Taking taylor expansion of (* (- 1.0 x) y) in z
0.514 * [taylor]: Taking taylor expansion of (- 1.0 x) in z
0.514 * [taylor]: Taking taylor expansion of 1.0 in z
0.514 * [taylor]: Taking taylor expansion of x in z
0.514 * [taylor]: Taking taylor expansion of y in z
0.514 * [taylor]: Taking taylor expansion of (* x z) in z
0.514 * [taylor]: Taking taylor expansion of x in z
0.514 * [taylor]: Taking taylor expansion of z in z
0.514 * [taylor]: Taking taylor expansion of (fma (- 1.0 x) y (* x z)) in y
0.514 * [taylor]: Rewrote expression to (+ (* (- 1.0 x) y) (* x z))
0.514 * [taylor]: Taking taylor expansion of (* (- 1.0 x) y) in y
0.514 * [taylor]: Taking taylor expansion of (- 1.0 x) in y
0.514 * [taylor]: Taking taylor expansion of 1.0 in y
0.514 * [taylor]: Taking taylor expansion of x in y
0.514 * [taylor]: Taking taylor expansion of y in y
0.514 * [taylor]: Taking taylor expansion of (* x z) in y
0.514 * [taylor]: Taking taylor expansion of x in y
0.514 * [taylor]: Taking taylor expansion of z in y
0.514 * [taylor]: Taking taylor expansion of (fma (- 1.0 x) y (* x z)) in x
0.514 * [taylor]: Rewrote expression to (+ (* (- 1.0 x) y) (* x z))
0.514 * [taylor]: Taking taylor expansion of (* (- 1.0 x) y) in x
0.514 * [taylor]: Taking taylor expansion of (- 1.0 x) in x
0.514 * [taylor]: Taking taylor expansion of 1.0 in x
0.514 * [taylor]: Taking taylor expansion of x in x
0.514 * [taylor]: Taking taylor expansion of y in x
0.514 * [taylor]: Taking taylor expansion of (* x z) in x
0.514 * [taylor]: Taking taylor expansion of x in x
0.514 * [taylor]: Taking taylor expansion of z in x
0.514 * [taylor]: Taking taylor expansion of (fma (- 1.0 x) y (* x z)) in x
0.514 * [taylor]: Rewrote expression to (+ (* (- 1.0 x) y) (* x z))
0.514 * [taylor]: Taking taylor expansion of (* (- 1.0 x) y) in x
0.514 * [taylor]: Taking taylor expansion of (- 1.0 x) in x
0.514 * [taylor]: Taking taylor expansion of 1.0 in x
0.514 * [taylor]: Taking taylor expansion of x in x
0.514 * [taylor]: Taking taylor expansion of y in x
0.514 * [taylor]: Taking taylor expansion of (* x z) in x
0.514 * [taylor]: Taking taylor expansion of x in x
0.514 * [taylor]: Taking taylor expansion of z in x
0.516 * [taylor]: Taking taylor expansion of (* 1.0 y) in y
0.516 * [taylor]: Taking taylor expansion of 1.0 in y
0.516 * [taylor]: Taking taylor expansion of y in y
0.516 * [taylor]: Taking taylor expansion of 0 in z
0.517 * [taylor]: Taking taylor expansion of (- z y) in y
0.517 * [taylor]: Taking taylor expansion of z in y
0.517 * [taylor]: Taking taylor expansion of y in y
0.518 * [taylor]: Taking taylor expansion of z in z
0.519 * [taylor]: Taking taylor expansion of 1.0 in z
0.520 * [taylor]: Taking taylor expansion of 0 in y
0.520 * [taylor]: Taking taylor expansion of 0 in z
0.521 * [taylor]: Taking taylor expansion of -1 in z
0.522 * [taylor]: Taking taylor expansion of 0 in z
0.522 * [approximate]: Taking taylor expansion of (fma (- 1.0 (/ 1 x)) (/ 1 y) (/ 1 (* x z))) in (x y z) around 0
0.522 * [taylor]: Taking taylor expansion of (fma (- 1.0 (/ 1 x)) (/ 1 y) (/ 1 (* x z))) in z
0.522 * [taylor]: Rewrote expression to (+ (* (- 1.0 (/ 1 x)) (/ 1 y)) (/ 1 (* x z)))
0.522 * [taylor]: Taking taylor expansion of (* (- 1.0 (/ 1 x)) (/ 1 y)) in z
0.522 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in z
0.522 * [taylor]: Taking taylor expansion of 1.0 in z
0.522 * [taylor]: Taking taylor expansion of (/ 1 x) in z
0.522 * [taylor]: Taking taylor expansion of x in z
0.522 * [taylor]: Taking taylor expansion of (/ 1 y) in z
0.522 * [taylor]: Taking taylor expansion of y in z
0.522 * [taylor]: Taking taylor expansion of (/ 1 (* x z)) in z
0.522 * [taylor]: Taking taylor expansion of (* x z) in z
0.522 * [taylor]: Taking taylor expansion of x in z
0.523 * [taylor]: Taking taylor expansion of z in z
0.523 * [taylor]: Taking taylor expansion of (fma (- 1.0 (/ 1 x)) (/ 1 y) (/ 1 (* x z))) in y
0.523 * [taylor]: Rewrote expression to (+ (* (- 1.0 (/ 1 x)) (/ 1 y)) (/ 1 (* x z)))
0.523 * [taylor]: Taking taylor expansion of (* (- 1.0 (/ 1 x)) (/ 1 y)) in y
0.523 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in y
0.523 * [taylor]: Taking taylor expansion of 1.0 in y
0.523 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.523 * [taylor]: Taking taylor expansion of x in y
0.523 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.523 * [taylor]: Taking taylor expansion of y in y
0.524 * [taylor]: Taking taylor expansion of (/ 1 (* x z)) in y
0.524 * [taylor]: Taking taylor expansion of (* x z) in y
0.524 * [taylor]: Taking taylor expansion of x in y
0.524 * [taylor]: Taking taylor expansion of z in y
0.524 * [taylor]: Taking taylor expansion of (fma (- 1.0 (/ 1 x)) (/ 1 y) (/ 1 (* x z))) in x
0.524 * [taylor]: Rewrote expression to (+ (* (- 1.0 (/ 1 x)) (/ 1 y)) (/ 1 (* x z)))
0.524 * [taylor]: Taking taylor expansion of (* (- 1.0 (/ 1 x)) (/ 1 y)) in x
0.524 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
0.524 * [taylor]: Taking taylor expansion of 1.0 in x
0.524 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.524 * [taylor]: Taking taylor expansion of x in x
0.524 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.524 * [taylor]: Taking taylor expansion of y in x
0.524 * [taylor]: Taking taylor expansion of (/ 1 (* x z)) in x
0.524 * [taylor]: Taking taylor expansion of (* x z) in x
0.524 * [taylor]: Taking taylor expansion of x in x
0.524 * [taylor]: Taking taylor expansion of z in x
0.525 * [taylor]: Taking taylor expansion of (fma (- 1.0 (/ 1 x)) (/ 1 y) (/ 1 (* x z))) in x
0.525 * [taylor]: Rewrote expression to (+ (* (- 1.0 (/ 1 x)) (/ 1 y)) (/ 1 (* x z)))
0.525 * [taylor]: Taking taylor expansion of (* (- 1.0 (/ 1 x)) (/ 1 y)) in x
0.525 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
0.525 * [taylor]: Taking taylor expansion of 1.0 in x
0.525 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.525 * [taylor]: Taking taylor expansion of x in x
0.525 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.525 * [taylor]: Taking taylor expansion of y in x
0.525 * [taylor]: Taking taylor expansion of (/ 1 (* x z)) in x
0.525 * [taylor]: Taking taylor expansion of (* x z) in x
0.526 * [taylor]: Taking taylor expansion of x in x
0.526 * [taylor]: Taking taylor expansion of z in x
0.527 * [taylor]: Taking taylor expansion of (- (/ 1 z) (/ 1 y)) in y
0.527 * [taylor]: Taking taylor expansion of (/ 1 z) in y
0.527 * [taylor]: Taking taylor expansion of z in y
0.527 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.527 * [taylor]: Taking taylor expansion of y in y
0.527 * [taylor]: Taking taylor expansion of -1 in z
0.529 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 y)) in y
0.530 * [taylor]: Taking taylor expansion of 1.0 in y
0.530 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.530 * [taylor]: Taking taylor expansion of y in y
0.530 * [taylor]: Taking taylor expansion of 1.0 in z
0.531 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.531 * [taylor]: Taking taylor expansion of z in z
0.534 * [taylor]: Taking taylor expansion of 0 in y
0.535 * [taylor]: Taking taylor expansion of 0 in z
0.537 * [taylor]: Taking taylor expansion of 0 in z
0.537 * [approximate]: Taking taylor expansion of (fma (+ (/ 1 x) 1.0) (/ -1 y) (/ 1 (* x z))) in (x y z) around 0
0.537 * [taylor]: Taking taylor expansion of (fma (+ (/ 1 x) 1.0) (/ -1 y) (/ 1 (* x z))) in z
0.537 * [taylor]: Rewrote expression to (+ (* (+ (/ 1 x) 1.0) (/ -1 y)) (/ 1 (* x z)))
0.537 * [taylor]: Taking taylor expansion of (* (+ (/ 1 x) 1.0) (/ -1 y)) in z
0.538 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in z
0.538 * [taylor]: Taking taylor expansion of (/ 1 x) in z
0.538 * [taylor]: Taking taylor expansion of x in z
0.538 * [taylor]: Taking taylor expansion of 1.0 in z
0.538 * [taylor]: Taking taylor expansion of (/ -1 y) in z
0.538 * [taylor]: Taking taylor expansion of -1 in z
0.538 * [taylor]: Taking taylor expansion of y in z
0.538 * [taylor]: Taking taylor expansion of (/ 1 (* x z)) in z
0.538 * [taylor]: Taking taylor expansion of (* x z) in z
0.538 * [taylor]: Taking taylor expansion of x in z
0.538 * [taylor]: Taking taylor expansion of z in z
0.538 * [taylor]: Taking taylor expansion of (fma (+ (/ 1 x) 1.0) (/ -1 y) (/ 1 (* x z))) in y
0.538 * [taylor]: Rewrote expression to (+ (* (+ (/ 1 x) 1.0) (/ -1 y)) (/ 1 (* x z)))
0.538 * [taylor]: Taking taylor expansion of (* (+ (/ 1 x) 1.0) (/ -1 y)) in y
0.538 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in y
0.538 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.538 * [taylor]: Taking taylor expansion of x in y
0.538 * [taylor]: Taking taylor expansion of 1.0 in y
0.539 * [taylor]: Taking taylor expansion of (/ -1 y) in y
0.539 * [taylor]: Taking taylor expansion of -1 in y
0.539 * [taylor]: Taking taylor expansion of y in y
0.539 * [taylor]: Taking taylor expansion of (/ 1 (* x z)) in y
0.539 * [taylor]: Taking taylor expansion of (* x z) in y
0.539 * [taylor]: Taking taylor expansion of x in y
0.539 * [taylor]: Taking taylor expansion of z in y
0.539 * [taylor]: Taking taylor expansion of (fma (+ (/ 1 x) 1.0) (/ -1 y) (/ 1 (* x z))) in x
0.539 * [taylor]: Rewrote expression to (+ (* (+ (/ 1 x) 1.0) (/ -1 y)) (/ 1 (* x z)))
0.539 * [taylor]: Taking taylor expansion of (* (+ (/ 1 x) 1.0) (/ -1 y)) in x
0.539 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
0.539 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.539 * [taylor]: Taking taylor expansion of x in x
0.540 * [taylor]: Taking taylor expansion of 1.0 in x
0.540 * [taylor]: Taking taylor expansion of (/ -1 y) in x
0.540 * [taylor]: Taking taylor expansion of -1 in x
0.540 * [taylor]: Taking taylor expansion of y in x
0.540 * [taylor]: Taking taylor expansion of (/ 1 (* x z)) in x
0.540 * [taylor]: Taking taylor expansion of (* x z) in x
0.540 * [taylor]: Taking taylor expansion of x in x
0.540 * [taylor]: Taking taylor expansion of z in x
0.540 * [taylor]: Taking taylor expansion of (fma (+ (/ 1 x) 1.0) (/ -1 y) (/ 1 (* x z))) in x
0.540 * [taylor]: Rewrote expression to (+ (* (+ (/ 1 x) 1.0) (/ -1 y)) (/ 1 (* x z)))
0.540 * [taylor]: Taking taylor expansion of (* (+ (/ 1 x) 1.0) (/ -1 y)) in x
0.540 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
0.540 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.540 * [taylor]: Taking taylor expansion of x in x
0.541 * [taylor]: Taking taylor expansion of 1.0 in x
0.541 * [taylor]: Taking taylor expansion of (/ -1 y) in x
0.541 * [taylor]: Taking taylor expansion of -1 in x
0.541 * [taylor]: Taking taylor expansion of y in x
0.541 * [taylor]: Taking taylor expansion of (/ 1 (* x z)) in x
0.541 * [taylor]: Taking taylor expansion of (* x z) in x
0.541 * [taylor]: Taking taylor expansion of x in x
0.541 * [taylor]: Taking taylor expansion of z in x
0.542 * [taylor]: Taking taylor expansion of (- (/ 1 z) (/ 1 y)) in y
0.542 * [taylor]: Taking taylor expansion of (/ 1 z) in y
0.542 * [taylor]: Taking taylor expansion of z in y
0.542 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.542 * [taylor]: Taking taylor expansion of y in y
0.543 * [taylor]: Taking taylor expansion of -1 in z
0.544 * [taylor]: Taking taylor expansion of (- (* 1.0 (/ 1 y))) in y
0.545 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 y)) in y
0.545 * [taylor]: Taking taylor expansion of 1.0 in y
0.545 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.545 * [taylor]: Taking taylor expansion of y in y
0.545 * [taylor]: Taking taylor expansion of (- 1.0) in z
0.546 * [taylor]: Taking taylor expansion of 1.0 in z
0.546 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.546 * [taylor]: Taking taylor expansion of z in z
0.549 * [taylor]: Taking taylor expansion of 0 in y
0.550 * [taylor]: Taking taylor expansion of 0 in z
0.552 * [taylor]: Taking taylor expansion of 0 in z
0.553 * * * [progress]: simplifying candidates
0.553 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (expm1 (fma (- 1.0 x) y (* x z)))
  (log1p (fma (- 1.0 x) y (* x z)))
  (* (- 1.0 x) y)
  (log (fma (- 1.0 x) y (* x z)))
  (exp (fma (- 1.0 x) y (* x z)))
  (* (cbrt (fma (- 1.0 x) y (* x z))) (cbrt (fma (- 1.0 x) y (* x z))))
  (cbrt (fma (- 1.0 x) y (* x z)))
  (* (* (fma (- 1.0 x) y (* x z)) (fma (- 1.0 x) y (* x z))) (fma (- 1.0 x) y (* x z)))
  (sqrt (fma (- 1.0 x) y (* x z)))
  (sqrt (fma (- 1.0 x) y (* x z)))
  (- (+ (* x z) (* 1.0 y)) (* x y))
  (- (+ (* x z) (* 1.0 y)) (* x y))
  (- (+ (* x z) (* 1.0 y)) (* x y))
0.554 * * [simplify]: iteration  0 :  21  enodes  (cost  146 )
0.557 * * [simplify]: iteration  1 :  35  enodes  (cost  143 )
0.562 * * [simplify]: iteration  2 :  76  enodes  (cost  121 )
0.576 * * [simplify]: iteration  3 :  245  enodes  (cost  121 )
0.670 * * [simplify]: iteration  4 :  1235  enodes  (cost  121 )
1.427 * * [simplify]: iteration  done :  5000  enodes  (cost  121 )
1.427 * [simplify]: Simplified to:
   (expm1 (fma (- 1.0 x) y (* x z)))
  (log1p (fma (- 1.0 x) y (* x z)))
  (* (- 1.0 x) y)
  (log (fma (- 1.0 x) y (* x z)))
  (exp (fma (- 1.0 x) y (* x z)))
  (* (cbrt (fma (- 1.0 x) y (* x z))) (cbrt (fma (- 1.0 x) y (* x z))))
  (cbrt (fma (- 1.0 x) y (* x z)))
  (pow (fma (- 1.0 x) y (* x z)) 3)
  (sqrt (fma (- 1.0 x) y (* x z)))
  (sqrt (fma (- 1.0 x) y (* x z)))
  (fma (- 1.0 x) y (* x z))
  (fma (- 1.0 x) y (* x z))
  (fma (- 1.0 x) y (* x z))
1.427 * * * [progress]: adding candidates to table
1.462 * [progress]: [Phase 3 of 3] Extracting.
1.464 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (fma (- 1.0 x) y (* x z))
1.465 * * [simplify]: iteration  0 :  7  enodes  (cost  8 )
1.465 * * [simplify]: iteration  1 :  8  enodes  (cost  8 )
1.465 * * [simplify]: iteration  done :  8  enodes  (cost  8 )
1.465 * [simplify]: Simplified to:
   (fma (- 1.0 x) y (* x z))
2.017 * [regime-testing]: End program error score: 0.013001625203150393
2.039 * [regime-testing]: Target error score: 0.011876484560570071