60.448 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.080 * * * [progress]: [2/2] Setting up program.
0.101 * [progress]: [Phase 2 of 3] Improving.
0.104 * [simplify]: Simplifying:
  (- (* x x) (* (* y 4.0) z))
0.104 * * [simplify]: iteration 0: 8 enodes
0.107 * * [simplify]: iteration 1: 15 enodes
0.113 * * [simplify]: iteration 2: 32 enodes
0.469 * * [simplify]: iteration 3: 62 enodes
0.497 * * [simplify]: iteration 4: 65 enodes
0.513 * * [simplify]: iteration complete: 65 enodes
0.513 * * [simplify]: Extracting #0: cost 1 inf + 0
0.513 * * [simplify]: Extracting #1: cost 13 inf + 0
0.513 * * [simplify]: Extracting #2: cost 13 inf + 44
0.513 * * [simplify]: Extracting #3: cost 6 inf + 374
0.514 * * [simplify]: Extracting #4: cost 0 inf + 910
0.514 * [simplify]: Simplified to:
  (- (* x x) (* z (* y 4.0)))
0.515 * * [progress]: iteration 1 / 4
0.515 * * * [progress]: picking best candidate
0.523 * * * * [pick]: Picked  #<alt (λ (x y z) (- (* x x) (* (* y 4.0) z)))>
0.524 * * * [progress]: localizing error
0.546 * * * [progress]: generating rewritten candidates
0.546 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.563 * * * [progress]: generating series expansions
0.563 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.563 * [backup-simplify]: Simplify (- (* x x) (* (* y 4.0) z)) into (- (pow x 2) (* 4.0 (* z y)))
0.563 * [approximate]: Taking taylor expansion of (- (pow x 2) (* 4.0 (* z y))) in (x y z) around 0
0.564 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (* z y))) in z
0.564 * [taylor]: Taking taylor expansion of (pow x 2) in z
0.564 * [taylor]: Taking taylor expansion of x in z
0.564 * [backup-simplify]: Simplify x into x
0.564 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in z
0.564 * [taylor]: Taking taylor expansion of 4.0 in z
0.564 * [backup-simplify]: Simplify 4.0 into 4.0
0.564 * [taylor]: Taking taylor expansion of (* z y) in z
0.564 * [taylor]: Taking taylor expansion of z in z
0.564 * [backup-simplify]: Simplify 0 into 0
0.564 * [backup-simplify]: Simplify 1 into 1
0.564 * [taylor]: Taking taylor expansion of y in z
0.564 * [backup-simplify]: Simplify y into y
0.564 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (* z y))) in y
0.564 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.564 * [taylor]: Taking taylor expansion of x in y
0.564 * [backup-simplify]: Simplify x into x
0.564 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in y
0.564 * [taylor]: Taking taylor expansion of 4.0 in y
0.564 * [backup-simplify]: Simplify 4.0 into 4.0
0.564 * [taylor]: Taking taylor expansion of (* z y) in y
0.565 * [taylor]: Taking taylor expansion of z in y
0.565 * [backup-simplify]: Simplify z into z
0.565 * [taylor]: Taking taylor expansion of y in y
0.565 * [backup-simplify]: Simplify 0 into 0
0.565 * [backup-simplify]: Simplify 1 into 1
0.565 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (* z y))) in x
0.565 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.565 * [taylor]: Taking taylor expansion of x in x
0.565 * [backup-simplify]: Simplify 0 into 0
0.565 * [backup-simplify]: Simplify 1 into 1
0.565 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in x
0.565 * [taylor]: Taking taylor expansion of 4.0 in x
0.565 * [backup-simplify]: Simplify 4.0 into 4.0
0.565 * [taylor]: Taking taylor expansion of (* z y) in x
0.565 * [taylor]: Taking taylor expansion of z in x
0.565 * [backup-simplify]: Simplify z into z
0.565 * [taylor]: Taking taylor expansion of y in x
0.565 * [backup-simplify]: Simplify y into y
0.565 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 4.0 (* z y))) in x
0.565 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.565 * [taylor]: Taking taylor expansion of x in x
0.565 * [backup-simplify]: Simplify 0 into 0
0.565 * [backup-simplify]: Simplify 1 into 1
0.565 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in x
0.566 * [taylor]: Taking taylor expansion of 4.0 in x
0.566 * [backup-simplify]: Simplify 4.0 into 4.0
0.566 * [taylor]: Taking taylor expansion of (* z y) in x
0.566 * [taylor]: Taking taylor expansion of z in x
0.566 * [backup-simplify]: Simplify z into z
0.566 * [taylor]: Taking taylor expansion of y in x
0.566 * [backup-simplify]: Simplify y into y
0.566 * [backup-simplify]: Simplify (* z y) into (* z y)
0.566 * [backup-simplify]: Simplify (* 4.0 (* z y)) into (* 4.0 (* z y))
0.566 * [backup-simplify]: Simplify (- (* 4.0 (* z y))) into (- (* 4.0 (* z y)))
0.567 * [backup-simplify]: Simplify (+ 0 (- (* 4.0 (* z y)))) into (- (* 4.0 (* z y)))
0.567 * [taylor]: Taking taylor expansion of (- (* 4.0 (* z y))) in y
0.567 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in y
0.567 * [taylor]: Taking taylor expansion of 4.0 in y
0.567 * [backup-simplify]: Simplify 4.0 into 4.0
0.567 * [taylor]: Taking taylor expansion of (* z y) in y
0.567 * [taylor]: Taking taylor expansion of z in y
0.567 * [backup-simplify]: Simplify z into z
0.567 * [taylor]: Taking taylor expansion of y in y
0.567 * [backup-simplify]: Simplify 0 into 0
0.567 * [backup-simplify]: Simplify 1 into 1
0.567 * [backup-simplify]: Simplify (* z 0) into 0
0.568 * [backup-simplify]: Simplify (* 4.0 0) into 0
0.568 * [backup-simplify]: Simplify (- 0) into 0
0.568 * [taylor]: Taking taylor expansion of 0 in z
0.568 * [backup-simplify]: Simplify 0 into 0
0.568 * [backup-simplify]: Simplify 0 into 0
0.569 * [backup-simplify]: Simplify (+ (* z 0) (* 0 y)) into 0
0.569 * [backup-simplify]: Simplify (+ (* 4.0 0) (* 0 (* z y))) into 0
0.570 * [backup-simplify]: Simplify (- 0) into 0
0.570 * [backup-simplify]: Simplify (+ 0 0) into 0
0.570 * [taylor]: Taking taylor expansion of 0 in y
0.570 * [backup-simplify]: Simplify 0 into 0
0.570 * [taylor]: Taking taylor expansion of 0 in z
0.570 * [backup-simplify]: Simplify 0 into 0
0.570 * [backup-simplify]: Simplify 0 into 0
0.571 * [backup-simplify]: Simplify (+ (* z 1) (* 0 0)) into z
0.571 * [backup-simplify]: Simplify (+ (* 4.0 z) (* 0 0)) into (* 4.0 z)
0.571 * [backup-simplify]: Simplify (- (* 4.0 z)) into (- (* 4.0 z))
0.571 * [taylor]: Taking taylor expansion of (- (* 4.0 z)) in z
0.571 * [taylor]: Taking taylor expansion of (* 4.0 z) in z
0.571 * [taylor]: Taking taylor expansion of 4.0 in z
0.571 * [backup-simplify]: Simplify 4.0 into 4.0
0.571 * [taylor]: Taking taylor expansion of z in z
0.571 * [backup-simplify]: Simplify 0 into 0
0.571 * [backup-simplify]: Simplify 1 into 1
0.572 * [backup-simplify]: Simplify (* 4.0 0) into 0
0.572 * [backup-simplify]: Simplify (- 0) into 0
0.572 * [backup-simplify]: Simplify 0 into 0
0.572 * [backup-simplify]: Simplify 0 into 0
0.573 * [backup-simplify]: Simplify (* 1 1) into 1
0.573 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (* 0 y))) into 0
0.574 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (* 0 (* z y)))) into 0
0.574 * [backup-simplify]: Simplify (- 0) into 0
0.575 * [backup-simplify]: Simplify (+ 1 0) into 1
0.575 * [taylor]: Taking taylor expansion of 1 in y
0.575 * [backup-simplify]: Simplify 1 into 1
0.575 * [taylor]: Taking taylor expansion of 1 in z
0.575 * [backup-simplify]: Simplify 1 into 1
0.575 * [backup-simplify]: Simplify 1 into 1
0.575 * [taylor]: Taking taylor expansion of 0 in z
0.575 * [backup-simplify]: Simplify 0 into 0
0.575 * [backup-simplify]: Simplify 0 into 0
0.576 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 1) (* 0 0))) into 0
0.577 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 z) (* 0 0))) into 0
0.577 * [backup-simplify]: Simplify (- 0) into 0
0.577 * [taylor]: Taking taylor expansion of 0 in z
0.577 * [backup-simplify]: Simplify 0 into 0
0.578 * [backup-simplify]: Simplify 0 into 0
0.578 * [backup-simplify]: Simplify 0 into 0
0.579 * [backup-simplify]: Simplify (+ (* 4.0 1) (* 0 0)) into 4.0
0.580 * [backup-simplify]: Simplify (- 4.0) into (- 4.0)
0.581 * [backup-simplify]: Simplify (- 4.0) into (- 4.0)
0.581 * [backup-simplify]: Simplify 0 into 0
0.581 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.582 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))) into 0
0.583 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (* z y))))) into 0
0.584 * [backup-simplify]: Simplify (- 0) into 0
0.584 * [backup-simplify]: Simplify (+ 0 0) into 0
0.584 * [taylor]: Taking taylor expansion of 0 in y
0.584 * [backup-simplify]: Simplify 0 into 0
0.584 * [taylor]: Taking taylor expansion of 0 in z
0.584 * [backup-simplify]: Simplify 0 into 0
0.584 * [backup-simplify]: Simplify 0 into 0
0.585 * [taylor]: Taking taylor expansion of 0 in z
0.585 * [backup-simplify]: Simplify 0 into 0
0.585 * [backup-simplify]: Simplify 0 into 0
0.585 * [taylor]: Taking taylor expansion of 0 in z
0.585 * [backup-simplify]: Simplify 0 into 0
0.585 * [backup-simplify]: Simplify 0 into 0
0.586 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
0.588 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (+ (* 0 z) (* 0 0)))) into 0
0.588 * [backup-simplify]: Simplify (- 0) into 0
0.588 * [taylor]: Taking taylor expansion of 0 in z
0.588 * [backup-simplify]: Simplify 0 into 0
0.588 * [backup-simplify]: Simplify 0 into 0
0.588 * [backup-simplify]: Simplify 0 into 0
0.589 * [backup-simplify]: Simplify (+ (* (- 4.0) (* z (* y 1))) (* 1 (pow (* 1 (* 1 x)) 2))) into (- (pow x 2) (* 4.0 (* z y)))
0.590 * [backup-simplify]: Simplify (- (* (/ 1 x) (/ 1 x)) (* (* (/ 1 y) 4.0) (/ 1 z))) into (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y))))
0.590 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in (x y z) around 0
0.590 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in z
0.590 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in z
0.590 * [taylor]: Taking taylor expansion of (pow x 2) in z
0.590 * [taylor]: Taking taylor expansion of x in z
0.590 * [backup-simplify]: Simplify x into x
0.590 * [backup-simplify]: Simplify (* x x) into (pow x 2)
0.590 * [backup-simplify]: Simplify (/ 1 (pow x 2)) into (/ 1 (pow x 2))
0.590 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in z
0.590 * [taylor]: Taking taylor expansion of 4.0 in z
0.590 * [backup-simplify]: Simplify 4.0 into 4.0
0.590 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in z
0.590 * [taylor]: Taking taylor expansion of (* z y) in z
0.590 * [taylor]: Taking taylor expansion of z in z
0.590 * [backup-simplify]: Simplify 0 into 0
0.590 * [backup-simplify]: Simplify 1 into 1
0.590 * [taylor]: Taking taylor expansion of y in z
0.590 * [backup-simplify]: Simplify y into y
0.590 * [backup-simplify]: Simplify (* 0 y) into 0
0.591 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
0.591 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.591 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in y
0.591 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.591 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.591 * [taylor]: Taking taylor expansion of x in y
0.591 * [backup-simplify]: Simplify x into x
0.591 * [backup-simplify]: Simplify (* x x) into (pow x 2)
0.591 * [backup-simplify]: Simplify (/ 1 (pow x 2)) into (/ 1 (pow x 2))
0.592 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in y
0.592 * [taylor]: Taking taylor expansion of 4.0 in y
0.592 * [backup-simplify]: Simplify 4.0 into 4.0
0.592 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in y
0.592 * [taylor]: Taking taylor expansion of (* z y) in y
0.592 * [taylor]: Taking taylor expansion of z in y
0.592 * [backup-simplify]: Simplify z into z
0.592 * [taylor]: Taking taylor expansion of y in y
0.592 * [backup-simplify]: Simplify 0 into 0
0.592 * [backup-simplify]: Simplify 1 into 1
0.592 * [backup-simplify]: Simplify (* z 0) into 0
0.593 * [backup-simplify]: Simplify (+ (* z 1) (* 0 0)) into z
0.593 * [backup-simplify]: Simplify (/ 1 z) into (/ 1 z)
0.593 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in x
0.593 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.593 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.593 * [taylor]: Taking taylor expansion of x in x
0.593 * [backup-simplify]: Simplify 0 into 0
0.593 * [backup-simplify]: Simplify 1 into 1
0.593 * [backup-simplify]: Simplify (* 1 1) into 1
0.594 * [backup-simplify]: Simplify (/ 1 1) into 1
0.594 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in x
0.594 * [taylor]: Taking taylor expansion of 4.0 in x
0.594 * [backup-simplify]: Simplify 4.0 into 4.0
0.594 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in x
0.594 * [taylor]: Taking taylor expansion of (* z y) in x
0.594 * [taylor]: Taking taylor expansion of z in x
0.594 * [backup-simplify]: Simplify z into z
0.594 * [taylor]: Taking taylor expansion of y in x
0.594 * [backup-simplify]: Simplify y into y
0.594 * [backup-simplify]: Simplify (* z y) into (* z y)
0.594 * [backup-simplify]: Simplify (/ 1 (* z y)) into (/ 1 (* z y))
0.594 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in x
0.594 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.594 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.594 * [taylor]: Taking taylor expansion of x in x
0.594 * [backup-simplify]: Simplify 0 into 0
0.594 * [backup-simplify]: Simplify 1 into 1
0.595 * [backup-simplify]: Simplify (* 1 1) into 1
0.595 * [backup-simplify]: Simplify (/ 1 1) into 1
0.595 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in x
0.595 * [taylor]: Taking taylor expansion of 4.0 in x
0.595 * [backup-simplify]: Simplify 4.0 into 4.0
0.595 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in x
0.595 * [taylor]: Taking taylor expansion of (* z y) in x
0.595 * [taylor]: Taking taylor expansion of z in x
0.595 * [backup-simplify]: Simplify z into z
0.595 * [taylor]: Taking taylor expansion of y in x
0.595 * [backup-simplify]: Simplify y into y
0.595 * [backup-simplify]: Simplify (* z y) into (* z y)
0.595 * [backup-simplify]: Simplify (/ 1 (* z y)) into (/ 1 (* z y))
0.596 * [backup-simplify]: Simplify (+ 1 0) into 1
0.596 * [taylor]: Taking taylor expansion of 1 in y
0.596 * [backup-simplify]: Simplify 1 into 1
0.597 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.597 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.598 * [backup-simplify]: Simplify (+ 0 0) into 0
0.598 * [taylor]: Taking taylor expansion of 0 in y
0.598 * [backup-simplify]: Simplify 0 into 0
0.598 * [taylor]: Taking taylor expansion of 1 in z
0.598 * [backup-simplify]: Simplify 1 into 1
0.599 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.600 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.600 * [backup-simplify]: Simplify (* 4.0 (/ 1 (* z y))) into (/ 4.0 (* z y))
0.600 * [backup-simplify]: Simplify (- (/ 4.0 (* z y))) into (- (* 4.0 (/ 1 (* z y))))
0.600 * [backup-simplify]: Simplify (+ 0 (- (* 4.0 (/ 1 (* z y))))) into (- (* 4.0 (/ 1 (* z y))))
0.600 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 (* z y)))) in y
0.600 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in y
0.600 * [taylor]: Taking taylor expansion of 4.0 in y
0.600 * [backup-simplify]: Simplify 4.0 into 4.0
0.600 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in y
0.600 * [taylor]: Taking taylor expansion of (* z y) in y
0.600 * [taylor]: Taking taylor expansion of z in y
0.600 * [backup-simplify]: Simplify z into z
0.600 * [taylor]: Taking taylor expansion of y in y
0.600 * [backup-simplify]: Simplify 0 into 0
0.601 * [backup-simplify]: Simplify 1 into 1
0.601 * [backup-simplify]: Simplify (* z 0) into 0
0.601 * [backup-simplify]: Simplify (+ (* z 1) (* 0 0)) into z
0.601 * [backup-simplify]: Simplify (/ 1 z) into (/ 1 z)
0.601 * [backup-simplify]: Simplify (* 4.0 (/ 1 z)) into (/ 4.0 z)
0.601 * [backup-simplify]: Simplify (- (/ 4.0 z)) into (- (* 4.0 (/ 1 z)))
0.601 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 z))) in z
0.601 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 z)) in z
0.601 * [taylor]: Taking taylor expansion of 4.0 in z
0.601 * [backup-simplify]: Simplify 4.0 into 4.0
0.602 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.602 * [taylor]: Taking taylor expansion of z in z
0.602 * [backup-simplify]: Simplify 0 into 0
0.602 * [backup-simplify]: Simplify 1 into 1
0.602 * [backup-simplify]: Simplify (/ 1 1) into 1
0.602 * [backup-simplify]: Simplify (* 4.0 1) into 4.0
0.603 * [backup-simplify]: Simplify (- 4.0) into (- 4.0)
0.603 * [backup-simplify]: Simplify (- 4.0) into (- 4.0)
0.603 * [taylor]: Taking taylor expansion of 0 in z
0.603 * [backup-simplify]: Simplify 0 into 0
0.610 * [taylor]: Taking taylor expansion of 0 in z
0.611 * [backup-simplify]: Simplify 0 into 0
0.611 * [backup-simplify]: Simplify 1 into 1
0.612 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.613 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.613 * [backup-simplify]: Simplify (+ (* z 0) (* 0 y)) into 0
0.613 * [backup-simplify]: Simplify (- (+ (* (/ 1 (* z y)) (/ 0 (* z y))))) into 0
0.614 * [backup-simplify]: Simplify (+ (* 4.0 0) (* 0 (/ 1 (* z y)))) into 0
0.614 * [backup-simplify]: Simplify (- 0) into 0
0.615 * [backup-simplify]: Simplify (+ 0 0) into 0
0.615 * [taylor]: Taking taylor expansion of 0 in y
0.615 * [backup-simplify]: Simplify 0 into 0
0.616 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 1) (* 0 0))) into 0
0.616 * [backup-simplify]: Simplify (- (+ (* (/ 1 z) (/ 0 z)))) into 0
0.616 * [backup-simplify]: Simplify (+ (* 4.0 0) (* 0 (/ 1 z))) into 0
0.617 * [backup-simplify]: Simplify (- 0) into 0
0.617 * [taylor]: Taking taylor expansion of 0 in z
0.617 * [backup-simplify]: Simplify 0 into 0
0.617 * [taylor]: Taking taylor expansion of 0 in z
0.617 * [backup-simplify]: Simplify 0 into 0
0.617 * [taylor]: Taking taylor expansion of 0 in z
0.617 * [backup-simplify]: Simplify 0 into 0
0.618 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.628 * [backup-simplify]: Simplify (+ (* 4.0 0) (* 0 1)) into 0
0.629 * [backup-simplify]: Simplify (- 0) into 0
0.629 * [backup-simplify]: Simplify 0 into 0
0.629 * [backup-simplify]: Simplify 0 into 0
0.629 * [backup-simplify]: Simplify 0 into 0
0.629 * [backup-simplify]: Simplify 0 into 0
0.630 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.632 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.633 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (* 0 y))) into 0
0.633 * [backup-simplify]: Simplify (- (+ (* (/ 1 (* z y)) (/ 0 (* z y))) (* 0 (/ 0 (* z y))))) into 0
0.634 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (* 0 (/ 1 (* z y))))) into 0
0.634 * [backup-simplify]: Simplify (- 0) into 0
0.635 * [backup-simplify]: Simplify (+ 0 0) into 0
0.635 * [taylor]: Taking taylor expansion of 0 in y
0.635 * [backup-simplify]: Simplify 0 into 0
0.635 * [taylor]: Taking taylor expansion of 0 in z
0.635 * [backup-simplify]: Simplify 0 into 0
0.636 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
0.636 * [backup-simplify]: Simplify (- (+ (* (/ 1 z) (/ 0 z)) (* 0 (/ 0 z)))) into 0
0.637 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (* 0 (/ 1 z)))) into 0
0.637 * [backup-simplify]: Simplify (- 0) into 0
0.637 * [taylor]: Taking taylor expansion of 0 in z
0.637 * [backup-simplify]: Simplify 0 into 0
0.637 * [taylor]: Taking taylor expansion of 0 in z
0.637 * [backup-simplify]: Simplify 0 into 0
0.637 * [taylor]: Taking taylor expansion of 0 in z
0.637 * [backup-simplify]: Simplify 0 into 0
0.638 * [backup-simplify]: Simplify 0 into 0
0.638 * [backup-simplify]: Simplify 0 into 0
0.639 * [backup-simplify]: Simplify (+ (* 1 (pow (* 1 (* 1 (/ 1 (/ 1 x)))) 2)) (* (- 4.0) (* (/ 1 (/ 1 z)) (* (/ 1 (/ 1 y)) 1)))) into (- (pow x 2) (* 4.0 (* z y)))
0.639 * [backup-simplify]: Simplify (- (* (/ 1 (- x)) (/ 1 (- x))) (* (* (/ 1 (- y)) 4.0) (/ 1 (- z)))) into (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y))))
0.639 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in (x y z) around 0
0.639 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in z
0.639 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in z
0.639 * [taylor]: Taking taylor expansion of (pow x 2) in z
0.639 * [taylor]: Taking taylor expansion of x in z
0.639 * [backup-simplify]: Simplify x into x
0.640 * [backup-simplify]: Simplify (* x x) into (pow x 2)
0.640 * [backup-simplify]: Simplify (/ 1 (pow x 2)) into (/ 1 (pow x 2))
0.640 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in z
0.640 * [taylor]: Taking taylor expansion of 4.0 in z
0.640 * [backup-simplify]: Simplify 4.0 into 4.0
0.640 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in z
0.640 * [taylor]: Taking taylor expansion of (* z y) in z
0.640 * [taylor]: Taking taylor expansion of z in z
0.640 * [backup-simplify]: Simplify 0 into 0
0.640 * [backup-simplify]: Simplify 1 into 1
0.640 * [taylor]: Taking taylor expansion of y in z
0.640 * [backup-simplify]: Simplify y into y
0.640 * [backup-simplify]: Simplify (* 0 y) into 0
0.641 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
0.641 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.641 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in y
0.641 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.641 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.641 * [taylor]: Taking taylor expansion of x in y
0.641 * [backup-simplify]: Simplify x into x
0.641 * [backup-simplify]: Simplify (* x x) into (pow x 2)
0.642 * [backup-simplify]: Simplify (/ 1 (pow x 2)) into (/ 1 (pow x 2))
0.642 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in y
0.642 * [taylor]: Taking taylor expansion of 4.0 in y
0.642 * [backup-simplify]: Simplify 4.0 into 4.0
0.642 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in y
0.642 * [taylor]: Taking taylor expansion of (* z y) in y
0.642 * [taylor]: Taking taylor expansion of z in y
0.642 * [backup-simplify]: Simplify z into z
0.642 * [taylor]: Taking taylor expansion of y in y
0.642 * [backup-simplify]: Simplify 0 into 0
0.642 * [backup-simplify]: Simplify 1 into 1
0.642 * [backup-simplify]: Simplify (* z 0) into 0
0.643 * [backup-simplify]: Simplify (+ (* z 1) (* 0 0)) into z
0.643 * [backup-simplify]: Simplify (/ 1 z) into (/ 1 z)
0.643 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in x
0.643 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.643 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.643 * [taylor]: Taking taylor expansion of x in x
0.643 * [backup-simplify]: Simplify 0 into 0
0.643 * [backup-simplify]: Simplify 1 into 1
0.644 * [backup-simplify]: Simplify (* 1 1) into 1
0.645 * [backup-simplify]: Simplify (/ 1 1) into 1
0.645 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in x
0.645 * [taylor]: Taking taylor expansion of 4.0 in x
0.645 * [backup-simplify]: Simplify 4.0 into 4.0
0.645 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in x
0.645 * [taylor]: Taking taylor expansion of (* z y) in x
0.645 * [taylor]: Taking taylor expansion of z in x
0.645 * [backup-simplify]: Simplify z into z
0.645 * [taylor]: Taking taylor expansion of y in x
0.645 * [backup-simplify]: Simplify y into y
0.645 * [backup-simplify]: Simplify (* z y) into (* z y)
0.646 * [backup-simplify]: Simplify (/ 1 (* z y)) into (/ 1 (* z y))
0.646 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 4.0 (/ 1 (* z y)))) in x
0.646 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.646 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.646 * [taylor]: Taking taylor expansion of x in x
0.646 * [backup-simplify]: Simplify 0 into 0
0.646 * [backup-simplify]: Simplify 1 into 1
0.646 * [backup-simplify]: Simplify (* 1 1) into 1
0.647 * [backup-simplify]: Simplify (/ 1 1) into 1
0.647 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in x
0.647 * [taylor]: Taking taylor expansion of 4.0 in x
0.647 * [backup-simplify]: Simplify 4.0 into 4.0
0.647 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in x
0.647 * [taylor]: Taking taylor expansion of (* z y) in x
0.647 * [taylor]: Taking taylor expansion of z in x
0.647 * [backup-simplify]: Simplify z into z
0.647 * [taylor]: Taking taylor expansion of y in x
0.647 * [backup-simplify]: Simplify y into y
0.647 * [backup-simplify]: Simplify (* z y) into (* z y)
0.647 * [backup-simplify]: Simplify (/ 1 (* z y)) into (/ 1 (* z y))
0.648 * [backup-simplify]: Simplify (+ 1 0) into 1
0.648 * [taylor]: Taking taylor expansion of 1 in y
0.648 * [backup-simplify]: Simplify 1 into 1
0.649 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.650 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.651 * [backup-simplify]: Simplify (+ 0 0) into 0
0.651 * [taylor]: Taking taylor expansion of 0 in y
0.651 * [backup-simplify]: Simplify 0 into 0
0.651 * [taylor]: Taking taylor expansion of 1 in z
0.651 * [backup-simplify]: Simplify 1 into 1
0.652 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.653 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.654 * [backup-simplify]: Simplify (* 4.0 (/ 1 (* z y))) into (/ 4.0 (* z y))
0.654 * [backup-simplify]: Simplify (- (/ 4.0 (* z y))) into (- (* 4.0 (/ 1 (* z y))))
0.654 * [backup-simplify]: Simplify (+ 0 (- (* 4.0 (/ 1 (* z y))))) into (- (* 4.0 (/ 1 (* z y))))
0.654 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 (* z y)))) in y
0.654 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in y
0.654 * [taylor]: Taking taylor expansion of 4.0 in y
0.654 * [backup-simplify]: Simplify 4.0 into 4.0
0.654 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in y
0.654 * [taylor]: Taking taylor expansion of (* z y) in y
0.655 * [taylor]: Taking taylor expansion of z in y
0.655 * [backup-simplify]: Simplify z into z
0.655 * [taylor]: Taking taylor expansion of y in y
0.655 * [backup-simplify]: Simplify 0 into 0
0.655 * [backup-simplify]: Simplify 1 into 1
0.655 * [backup-simplify]: Simplify (* z 0) into 0
0.656 * [backup-simplify]: Simplify (+ (* z 1) (* 0 0)) into z
0.656 * [backup-simplify]: Simplify (/ 1 z) into (/ 1 z)
0.656 * [backup-simplify]: Simplify (* 4.0 (/ 1 z)) into (/ 4.0 z)
0.656 * [backup-simplify]: Simplify (- (/ 4.0 z)) into (- (* 4.0 (/ 1 z)))
0.656 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 z))) in z
0.656 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 z)) in z
0.656 * [taylor]: Taking taylor expansion of 4.0 in z
0.656 * [backup-simplify]: Simplify 4.0 into 4.0
0.656 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.656 * [taylor]: Taking taylor expansion of z in z
0.656 * [backup-simplify]: Simplify 0 into 0
0.656 * [backup-simplify]: Simplify 1 into 1
0.657 * [backup-simplify]: Simplify (/ 1 1) into 1
0.657 * [backup-simplify]: Simplify (* 4.0 1) into 4.0
0.657 * [backup-simplify]: Simplify (- 4.0) into (- 4.0)
0.658 * [backup-simplify]: Simplify (- 4.0) into (- 4.0)
0.658 * [taylor]: Taking taylor expansion of 0 in z
0.658 * [backup-simplify]: Simplify 0 into 0
0.658 * [taylor]: Taking taylor expansion of 0 in z
0.658 * [backup-simplify]: Simplify 0 into 0
0.658 * [backup-simplify]: Simplify 1 into 1
0.659 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.660 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.660 * [backup-simplify]: Simplify (+ (* z 0) (* 0 y)) into 0
0.660 * [backup-simplify]: Simplify (- (+ (* (/ 1 (* z y)) (/ 0 (* z y))))) into 0
0.661 * [backup-simplify]: Simplify (+ (* 4.0 0) (* 0 (/ 1 (* z y)))) into 0
0.661 * [backup-simplify]: Simplify (- 0) into 0
0.662 * [backup-simplify]: Simplify (+ 0 0) into 0
0.662 * [taylor]: Taking taylor expansion of 0 in y
0.662 * [backup-simplify]: Simplify 0 into 0
0.662 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 1) (* 0 0))) into 0
0.663 * [backup-simplify]: Simplify (- (+ (* (/ 1 z) (/ 0 z)))) into 0
0.663 * [backup-simplify]: Simplify (+ (* 4.0 0) (* 0 (/ 1 z))) into 0
0.663 * [backup-simplify]: Simplify (- 0) into 0
0.663 * [taylor]: Taking taylor expansion of 0 in z
0.664 * [backup-simplify]: Simplify 0 into 0
0.664 * [taylor]: Taking taylor expansion of 0 in z
0.664 * [backup-simplify]: Simplify 0 into 0
0.664 * [taylor]: Taking taylor expansion of 0 in z
0.664 * [backup-simplify]: Simplify 0 into 0
0.664 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.665 * [backup-simplify]: Simplify (+ (* 4.0 0) (* 0 1)) into 0
0.665 * [backup-simplify]: Simplify (- 0) into 0
0.665 * [backup-simplify]: Simplify 0 into 0
0.665 * [backup-simplify]: Simplify 0 into 0
0.666 * [backup-simplify]: Simplify 0 into 0
0.666 * [backup-simplify]: Simplify 0 into 0
0.667 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.668 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.669 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (* 0 y))) into 0
0.670 * [backup-simplify]: Simplify (- (+ (* (/ 1 (* z y)) (/ 0 (* z y))) (* 0 (/ 0 (* z y))))) into 0
0.671 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (* 0 (/ 1 (* z y))))) into 0
0.672 * [backup-simplify]: Simplify (- 0) into 0
0.672 * [backup-simplify]: Simplify (+ 0 0) into 0
0.672 * [taylor]: Taking taylor expansion of 0 in y
0.672 * [backup-simplify]: Simplify 0 into 0
0.672 * [taylor]: Taking taylor expansion of 0 in z
0.672 * [backup-simplify]: Simplify 0 into 0
0.673 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
0.673 * [backup-simplify]: Simplify (- (+ (* (/ 1 z) (/ 0 z)) (* 0 (/ 0 z)))) into 0
0.674 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (* 0 (/ 1 z)))) into 0
0.675 * [backup-simplify]: Simplify (- 0) into 0
0.675 * [taylor]: Taking taylor expansion of 0 in z
0.675 * [backup-simplify]: Simplify 0 into 0
0.675 * [taylor]: Taking taylor expansion of 0 in z
0.675 * [backup-simplify]: Simplify 0 into 0
0.675 * [taylor]: Taking taylor expansion of 0 in z
0.675 * [backup-simplify]: Simplify 0 into 0
0.675 * [backup-simplify]: Simplify 0 into 0
0.675 * [backup-simplify]: Simplify 0 into 0
0.676 * [backup-simplify]: Simplify (+ (* 1 (pow (* 1 (* 1 (/ 1 (/ 1 (- x))))) 2)) (* (- 4.0) (* (/ 1 (/ 1 (- z))) (* (/ 1 (/ 1 (- y))) 1)))) into (- (pow x 2) (* 4.0 (* z y)))
0.676 * * * [progress]: simplifying candidates
0.677 * [simplify]: Simplifying:
  (fma x x (- (* z (* y 4.0))))
  (fma (- z) (* y 4.0) (* z (* y 4.0)))
  (expm1 (- (* x x) (* (* y 4.0) z)))
  (log1p (- (* x x) (* (* y 4.0) z)))
  (- (* (* y 4.0) z))
  (/ (exp (* x x)) (exp (* (* y 4.0) z)))
  (log (- (* x x) (* (* y 4.0) z)))
  (exp (- (* x x) (* (* y 4.0) z)))
  (* (cbrt (- (* x x) (* (* y 4.0) z))) (cbrt (- (* x x) (* (* y 4.0) z))))
  (cbrt (- (* x x) (* (* y 4.0) z)))
  (* (* (- (* x x) (* (* y 4.0) z)) (- (* x x) (* (* y 4.0) z))) (- (* x x) (* (* y 4.0) z)))
  (sqrt (- (* x x) (* (* y 4.0) z)))
  (sqrt (- (* x x) (* (* y 4.0) z)))
  (- (pow (* x x) 3) (pow (* (* y 4.0) z) 3))
  (+ (* (* x x) (* x x)) (+ (* (* (* y 4.0) z) (* (* y 4.0) z)) (* (* x x) (* (* y 4.0) z))))
  (- (* (* y 4.0) z))
  (- (* (* x x) (* x x)) (* (* (* y 4.0) z) (* (* y 4.0) z)))
  (+ (* x x) (* (* y 4.0) z))
  (- (* (* y 4.0) z))
  (- (pow x 2) (* 4.0 (* z y)))
  (- (pow x 2) (* 4.0 (* z y)))
  (- (pow x 2) (* 4.0 (* z y)))
0.678 * * [simplify]: iteration 0: 42 enodes
0.703 * * [simplify]: iteration 1: 118 enodes
0.813 * * [simplify]: iteration 2: 452 enodes
2.627 * * [simplify]: iteration 3: 1949 enodes
8.499 * * [simplify]: iteration complete: 5000 enodes
8.500 * * [simplify]: Extracting #0: cost 15 inf + 0
8.502 * * [simplify]: Extracting #1: cost 243 inf + 0
8.544 * * [simplify]: Extracting #2: cost 887 inf + 5959
8.654 * * [simplify]: Extracting #3: cost 648 inf + 71151
8.965 * * [simplify]: Extracting #4: cost 165 inf + 197562
9.143 * * [simplify]: Extracting #5: cost 44 inf + 229166
9.261 * * [simplify]: Extracting #6: cost 10 inf + 237783
9.529 * * [simplify]: Extracting #7: cost 0 inf + 240783
9.713 * [simplify]: Simplified to:
  (- (* x x) (* (* y 4.0) z))
  (* (+ (- z) z) (* y 4.0))
  (expm1 (- (* x x) (* (* y 4.0) z)))
  (log1p (- (* x x) (* (* y 4.0) z)))
  (* y (* (- z) 4.0))
  (exp (- (* x x) (* (* y 4.0) z)))
  (log (- (* x x) (* (* y 4.0) z)))
  (exp (- (* x x) (* (* y 4.0) z)))
  (* (cbrt (- (* x x) (* (* y 4.0) z))) (cbrt (- (* x x) (* (* y 4.0) z))))
  (cbrt (- (* x x) (* (* y 4.0) z)))
  (* (- (* x x) (* (* y 4.0) z)) (* (- (* x x) (* (* y 4.0) z)) (- (* x x) (* (* y 4.0) z))))
  (sqrt (- (* x x) (* (* y 4.0) z)))
  (sqrt (- (* x x) (* (* y 4.0) z)))
  (- (* (* x x) (* (* x x) (* x x))) (* (* (* y 4.0) z) (* (* (* y 4.0) z) (* (* y 4.0) z))))
  (fma (* x x) (* x x) (* (* (* y 4.0) z) (+ (* x x) (* (* y 4.0) z))))
  (* y (* (- z) 4.0))
  (- (* (* x x) (* x x)) (* (* (* y 4.0) z) (* (* y 4.0) z)))
  (fma (* y 4.0) z (* x x))
  (* y (* (- z) 4.0))
  (- (* x x) (* (* y 4.0) z))
  (- (* x x) (* (* y 4.0) z))
  (- (* x x) (* (* y 4.0) z))
9.715 * * * [progress]: adding candidates to table
9.859 * [progress]: [Phase 3 of 3] Extracting.
9.872 * [simplify]: Simplifying:
  (- (* x x) (* (* y 4.0) z))
9.876 * * [simplify]: iteration 0: 8 enodes
9.877 * * [simplify]: iteration 1: 10 enodes
9.878 * * [simplify]: iteration complete: 10 enodes
9.878 * * [simplify]: Extracting #0: cost 1 inf + 0
9.878 * * [simplify]: Extracting #1: cost 3 inf + 0
9.878 * * [simplify]: Extracting #2: cost 6 inf + 0
9.878 * * [simplify]: Extracting #3: cost 5 inf + 43
9.878 * * [simplify]: Extracting #4: cost 3 inf + 45
9.879 * * [simplify]: Extracting #5: cost 0 inf + 334
9.879 * [simplify]: Simplified to:
  (- (* x x) (* z (* y 4.0)))
20.841 * [regime-testing]: Baseline error score: 0.02425303162895362
20.860 * [regime-testing]: Oracle error score: 0.02425303162895362
20.860 * [regime-testing]: End program error score: 0.02425303162895362