62.745 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.031 * * * [progress]: [2/2] Setting up program.
0.037 * [progress]: [Phase 2 of 3] Improving.
0.038 * [simplify]: Simplifying:
  (* x (- 1.0 (* x 0.5)))
0.038 * * [simplify]: iteration 0: 6 enodes
0.040 * * [simplify]: iteration 1: 10 enodes
0.053 * * [simplify]: iteration 2: 23 enodes
0.062 * * [simplify]: iteration 3: 38 enodes
0.080 * * [simplify]: iteration 4: 44 enodes
0.094 * * [simplify]: iteration complete: 44 enodes
0.094 * * [simplify]: Extracting #0: cost 1 inf + 0
0.094 * * [simplify]: Extracting #1: cost 6 inf + 0
0.094 * * [simplify]: Extracting #2: cost 13 inf + 1
0.094 * * [simplify]: Extracting #3: cost 9 inf + 85
0.094 * * [simplify]: Extracting #4: cost 1 inf + 740
0.095 * * [simplify]: Extracting #5: cost 0 inf + 783
0.095 * [simplify]: Simplified to:
  (* (- 1.0 (* x 0.5)) x)
0.102 * * [progress]: iteration 1 / 4
0.102 * * * [progress]: picking best candidate
0.115 * * * * [pick]: Picked  #<alt (λ (x) (* x (- 1.0 (* x 0.5))))>
0.115 * * * [progress]: localizing error
0.184 * * * [progress]: generating rewritten candidates
0.184 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.246 * * * [progress]: generating series expansions
0.246 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.255 * [backup-simplify]: Simplify (* x (- 1.0 (* x 0.5))) into (* x (- 1.0 (* 0.5 x)))
0.255 * [approximate]: Taking taylor expansion of (* x (- 1.0 (* 0.5 x))) in (x) around 0
0.255 * [taylor]: Taking taylor expansion of (* x (- 1.0 (* 0.5 x))) in x
0.255 * [taylor]: Taking taylor expansion of x in x
0.255 * [backup-simplify]: Simplify 0 into 0
0.255 * [backup-simplify]: Simplify 1 into 1
0.255 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 x)) in x
0.255 * [taylor]: Taking taylor expansion of 1.0 in x
0.255 * [backup-simplify]: Simplify 1.0 into 1.0
0.255 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.256 * [taylor]: Taking taylor expansion of 0.5 in x
0.256 * [backup-simplify]: Simplify 0.5 into 0.5
0.256 * [taylor]: Taking taylor expansion of x in x
0.256 * [backup-simplify]: Simplify 0 into 0
0.256 * [backup-simplify]: Simplify 1 into 1
0.256 * [taylor]: Taking taylor expansion of (* x (- 1.0 (* 0.5 x))) in x
0.256 * [taylor]: Taking taylor expansion of x in x
0.256 * [backup-simplify]: Simplify 0 into 0
0.256 * [backup-simplify]: Simplify 1 into 1
0.256 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 x)) in x
0.256 * [taylor]: Taking taylor expansion of 1.0 in x
0.256 * [backup-simplify]: Simplify 1.0 into 1.0
0.256 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.256 * [taylor]: Taking taylor expansion of 0.5 in x
0.256 * [backup-simplify]: Simplify 0.5 into 0.5
0.256 * [taylor]: Taking taylor expansion of x in x
0.256 * [backup-simplify]: Simplify 0 into 0
0.256 * [backup-simplify]: Simplify 1 into 1
0.257 * [backup-simplify]: Simplify (* 0.5 0) into 0
0.258 * [backup-simplify]: Simplify (- 0) into 0
0.264 * [backup-simplify]: Simplify (+ 1.0 0) into 1.0
0.265 * [backup-simplify]: Simplify (* 0 1.0) into 0
0.265 * [backup-simplify]: Simplify 0 into 0
0.267 * [backup-simplify]: Simplify (+ (* 0.5 1) (* 0 0)) into 0.5
0.267 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
0.268 * [backup-simplify]: Simplify (+ 0 (- 0.5)) into (- 0.5)
0.270 * [backup-simplify]: Simplify (+ (* 0 (- 0.5)) (* 1 1.0)) into 1.0
0.270 * [backup-simplify]: Simplify 1.0 into 1.0
0.271 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 1) (* 0 0))) into 0
0.271 * [backup-simplify]: Simplify (- 0) into 0
0.272 * [backup-simplify]: Simplify (+ 0 0) into 0
0.274 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 (- 0.5)) (* 0 1.0))) into (- 0.5)
0.274 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
0.275 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
0.276 * [backup-simplify]: Simplify (- 0) into 0
0.276 * [backup-simplify]: Simplify (+ 0 0) into 0
0.278 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 (- 0.5)) (* 0 1.0)))) into 0
0.278 * [backup-simplify]: Simplify 0 into 0
0.279 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))) into 0
0.279 * [backup-simplify]: Simplify (- 0) into 0
0.280 * [backup-simplify]: Simplify (+ 0 0) into 0
0.281 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 (- 0.5)) (* 0 1.0))))) into 0
0.281 * [backup-simplify]: Simplify 0 into 0
0.537 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))))) into 0
0.539 * [backup-simplify]: Simplify (- 0) into 0
0.540 * [backup-simplify]: Simplify (+ 0 0) into 0
0.542 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (- 0.5)) (* 0 1.0)))))) into 0
0.542 * [backup-simplify]: Simplify 0 into 0
0.548 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))))) into 0
0.549 * [backup-simplify]: Simplify (- 0) into 0
0.549 * [backup-simplify]: Simplify (+ 0 0) into 0
0.551 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (- 0.5)) (* 0 1.0))))))) into 0
0.551 * [backup-simplify]: Simplify 0 into 0
0.558 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))))))) into 0
0.558 * [backup-simplify]: Simplify (- 0) into 0
0.568 * [backup-simplify]: Simplify (+ 0 0) into 0
0.571 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (- 0.5)) (* 0 1.0)))))))) into 0
0.571 * [backup-simplify]: Simplify 0 into 0
0.582 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))))))) into 0
0.583 * [backup-simplify]: Simplify (- 0) into 0
0.583 * [backup-simplify]: Simplify (+ 0 0) into 0
0.586 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (- 0.5)) (* 0 1.0))))))))) into 0
0.586 * [backup-simplify]: Simplify 0 into 0
0.590 * [backup-simplify]: Simplify (+ (* (- 0.5) (pow x 2)) (* 1.0 x)) into (- (* 1.0 x) (* 0.5 (pow x 2)))
0.601 * [backup-simplify]: Simplify (* (/ 1 x) (- 1.0 (* (/ 1 x) 0.5))) into (/ (- 1.0 (* 0.5 (/ 1 x))) x)
0.601 * [approximate]: Taking taylor expansion of (/ (- 1.0 (* 0.5 (/ 1 x))) x) in (x) around 0
0.601 * [taylor]: Taking taylor expansion of (/ (- 1.0 (* 0.5 (/ 1 x))) x) in x
0.601 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 (/ 1 x))) in x
0.601 * [taylor]: Taking taylor expansion of 1.0 in x
0.601 * [backup-simplify]: Simplify 1.0 into 1.0
0.601 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.601 * [taylor]: Taking taylor expansion of 0.5 in x
0.602 * [backup-simplify]: Simplify 0.5 into 0.5
0.602 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.602 * [taylor]: Taking taylor expansion of x in x
0.602 * [backup-simplify]: Simplify 0 into 0
0.602 * [backup-simplify]: Simplify 1 into 1
0.610 * [backup-simplify]: Simplify (/ 1 1) into 1
0.610 * [taylor]: Taking taylor expansion of x in x
0.610 * [backup-simplify]: Simplify 0 into 0
0.610 * [backup-simplify]: Simplify 1 into 1
0.611 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
0.611 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
0.612 * [backup-simplify]: Simplify (+ 0 (- 0.5)) into (- 0.5)
0.613 * [backup-simplify]: Simplify (/ (- 0.5) 1) into -0.5
0.613 * [taylor]: Taking taylor expansion of (/ (- 1.0 (* 0.5 (/ 1 x))) x) in x
0.613 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 (/ 1 x))) in x
0.613 * [taylor]: Taking taylor expansion of 1.0 in x
0.613 * [backup-simplify]: Simplify 1.0 into 1.0
0.614 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.614 * [taylor]: Taking taylor expansion of 0.5 in x
0.614 * [backup-simplify]: Simplify 0.5 into 0.5
0.614 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.614 * [taylor]: Taking taylor expansion of x in x
0.614 * [backup-simplify]: Simplify 0 into 0
0.614 * [backup-simplify]: Simplify 1 into 1
0.614 * [backup-simplify]: Simplify (/ 1 1) into 1
0.614 * [taylor]: Taking taylor expansion of x in x
0.614 * [backup-simplify]: Simplify 0 into 0
0.614 * [backup-simplify]: Simplify 1 into 1
0.615 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
0.615 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
0.616 * [backup-simplify]: Simplify (+ 0 (- 0.5)) into (- 0.5)
0.617 * [backup-simplify]: Simplify (/ (- 0.5) 1) into -0.5
0.617 * [backup-simplify]: Simplify -0.5 into -0.5
0.626 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.627 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
0.627 * [backup-simplify]: Simplify (- 0) into 0
0.628 * [backup-simplify]: Simplify (+ 1.0 0) into 1.0
0.640 * [backup-simplify]: Simplify (- (/ 1.0 1) (+ (* -0.5 (/ 0 1)))) into 1.0
0.640 * [backup-simplify]: Simplify 1.0 into 1.0
0.641 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.642 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
0.643 * [backup-simplify]: Simplify (- 0) into 0
0.643 * [backup-simplify]: Simplify (+ 0 0) into 0
0.644 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -0.5 (/ 0 1)) (* 1.0 (/ 0 1)))) into 0
0.644 * [backup-simplify]: Simplify 0 into 0
0.646 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.647 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.648 * [backup-simplify]: Simplify (- 0) into 0
0.648 * [backup-simplify]: Simplify (+ 0 0) into 0
0.649 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.650 * [backup-simplify]: Simplify 0 into 0
0.650 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.652 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.652 * [backup-simplify]: Simplify (- 0) into 0
0.652 * [backup-simplify]: Simplify (+ 0 0) into 0
0.654 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.654 * [backup-simplify]: Simplify 0 into 0
0.655 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.657 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
0.657 * [backup-simplify]: Simplify (- 0) into 0
0.657 * [backup-simplify]: Simplify (+ 0 0) into 0
0.659 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.659 * [backup-simplify]: Simplify 0 into 0
0.660 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.662 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
0.662 * [backup-simplify]: Simplify (- 0) into 0
0.662 * [backup-simplify]: Simplify (+ 0 0) into 0
0.664 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.664 * [backup-simplify]: Simplify 0 into 0
0.665 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.667 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0
0.667 * [backup-simplify]: Simplify (- 0) into 0
0.667 * [backup-simplify]: Simplify (+ 0 0) into 0
0.669 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.669 * [backup-simplify]: Simplify 0 into 0
0.669 * [backup-simplify]: Simplify (+ (* 1.0 (/ 1 (/ 1 x))) (* -0.5 (pow (/ 1 (/ 1 x)) 2))) into (- (* 1.0 x) (* 0.5 (pow x 2)))
0.670 * [backup-simplify]: Simplify (* (/ 1 (- x)) (- 1.0 (* (/ 1 (- x)) 0.5))) into (* -1 (/ (+ (* 0.5 (/ 1 x)) 1.0) x))
0.670 * [approximate]: Taking taylor expansion of (* -1 (/ (+ (* 0.5 (/ 1 x)) 1.0) x)) in (x) around 0
0.670 * [taylor]: Taking taylor expansion of (* -1 (/ (+ (* 0.5 (/ 1 x)) 1.0) x)) in x
0.670 * [taylor]: Taking taylor expansion of -1 in x
0.670 * [backup-simplify]: Simplify -1 into -1
0.670 * [taylor]: Taking taylor expansion of (/ (+ (* 0.5 (/ 1 x)) 1.0) x) in x
0.670 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) 1.0) in x
0.672 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.673 * [taylor]: Taking taylor expansion of 0.5 in x
0.673 * [backup-simplify]: Simplify 0.5 into 0.5
0.673 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.673 * [taylor]: Taking taylor expansion of x in x
0.673 * [backup-simplify]: Simplify 0 into 0
0.673 * [backup-simplify]: Simplify 1 into 1
0.679 * [backup-simplify]: Simplify (/ 1 1) into 1
0.679 * [taylor]: Taking taylor expansion of 1.0 in x
0.679 * [backup-simplify]: Simplify 1.0 into 1.0
0.679 * [taylor]: Taking taylor expansion of x in x
0.679 * [backup-simplify]: Simplify 0 into 0
0.679 * [backup-simplify]: Simplify 1 into 1
0.680 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
0.680 * [backup-simplify]: Simplify (+ 0.5 0) into 0.5
0.681 * [backup-simplify]: Simplify (/ 0.5 1) into 0.5
0.681 * [taylor]: Taking taylor expansion of (* -1 (/ (+ (* 0.5 (/ 1 x)) 1.0) x)) in x
0.681 * [taylor]: Taking taylor expansion of -1 in x
0.681 * [backup-simplify]: Simplify -1 into -1
0.681 * [taylor]: Taking taylor expansion of (/ (+ (* 0.5 (/ 1 x)) 1.0) x) in x
0.681 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) 1.0) in x
0.681 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.681 * [taylor]: Taking taylor expansion of 0.5 in x
0.681 * [backup-simplify]: Simplify 0.5 into 0.5
0.681 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.681 * [taylor]: Taking taylor expansion of x in x
0.681 * [backup-simplify]: Simplify 0 into 0
0.681 * [backup-simplify]: Simplify 1 into 1
0.681 * [backup-simplify]: Simplify (/ 1 1) into 1
0.681 * [taylor]: Taking taylor expansion of 1.0 in x
0.681 * [backup-simplify]: Simplify 1.0 into 1.0
0.681 * [taylor]: Taking taylor expansion of x in x
0.681 * [backup-simplify]: Simplify 0 into 0
0.681 * [backup-simplify]: Simplify 1 into 1
0.682 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
0.682 * [backup-simplify]: Simplify (+ 0.5 0) into 0.5
0.683 * [backup-simplify]: Simplify (/ 0.5 1) into 0.5
0.683 * [backup-simplify]: Simplify (* -1 0.5) into -0.5
0.683 * [backup-simplify]: Simplify -0.5 into -0.5
0.685 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.685 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
0.686 * [backup-simplify]: Simplify (+ 0 1.0) into 1.0
0.688 * [backup-simplify]: Simplify (- (/ 1.0 1) (+ (* 0.5 (/ 0 1)))) into 1.0
0.690 * [backup-simplify]: Simplify (+ (* -1 1.0) (* 0 0.5)) into (- 1.0)
0.690 * [backup-simplify]: Simplify (- 1.0) into (- 1.0)
0.691 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.692 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
0.693 * [backup-simplify]: Simplify (+ 0 0) into 0
0.694 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)) (* 1.0 (/ 0 1)))) into 0
0.695 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 1.0) (* 0 0.5))) into 0
0.695 * [backup-simplify]: Simplify 0 into 0
0.696 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.698 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.698 * [backup-simplify]: Simplify (+ 0 0) into 0
0.699 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.700 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 1.0) (* 0 0.5)))) into 0
0.700 * [backup-simplify]: Simplify 0 into 0
0.700 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.701 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.702 * [backup-simplify]: Simplify (+ 0 0) into 0
0.703 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.705 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1.0) (* 0 0.5))))) into 0
0.705 * [backup-simplify]: Simplify 0 into 0
0.706 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.707 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
0.708 * [backup-simplify]: Simplify (+ 0 0) into 0
0.709 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.711 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1.0) (* 0 0.5)))))) into 0
0.711 * [backup-simplify]: Simplify 0 into 0
0.712 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.714 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
0.714 * [backup-simplify]: Simplify (+ 0 0) into 0
0.715 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.717 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1.0) (* 0 0.5))))))) into 0
0.718 * [backup-simplify]: Simplify 0 into 0
0.719 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.721 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0
0.722 * [backup-simplify]: Simplify (+ 0 0) into 0
0.723 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.725 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1.0) (* 0 0.5)))))))) into 0
0.726 * [backup-simplify]: Simplify 0 into 0
0.727 * [backup-simplify]: Simplify (+ (* (- 1.0) (/ 1 (/ 1 (- x)))) (* -0.5 (pow (/ 1 (/ 1 (- x))) 2))) into (- (* 1.0 x) (* 0.5 (pow x 2)))
0.729 * * * [progress]: simplifying candidates
0.730 * [simplify]: Simplifying:
  (* x (- 1.0 (* x 0.5)))
  (+ (log x) (log (- 1.0 (* x 0.5))))
  (log (* x (- 1.0 (* x 0.5))))
  (exp (* x (- 1.0 (* x 0.5))))
  (* (* (* x x) x) (* (* (- 1.0 (* x 0.5)) (- 1.0 (* x 0.5))) (- 1.0 (* x 0.5))))
  (* (cbrt (* x (- 1.0 (* x 0.5)))) (cbrt (* x (- 1.0 (* x 0.5)))))
  (cbrt (* x (- 1.0 (* x 0.5))))
  (* (* (* x (- 1.0 (* x 0.5))) (* x (- 1.0 (* x 0.5)))) (* x (- 1.0 (* x 0.5))))
  (sqrt (* x (- 1.0 (* x 0.5))))
  (sqrt (* x (- 1.0 (* x 0.5))))
  (* (sqrt x) (sqrt (- 1.0 (* x 0.5))))
  (* (sqrt x) (sqrt (- 1.0 (* x 0.5))))
  (* x 1.0)
  (* x (- (* x 0.5)))
  (* x 1.0)
  (* x (- (* x 0.5)))
  (* 1.0 x)
  (* (- (* x 0.5)) x)
  (* 1.0 x)
  (* (- (* x 0.5)) x)
  (* x (* (cbrt (- 1.0 (* x 0.5))) (cbrt (- 1.0 (* x 0.5)))))
  (* x (sqrt (- 1.0 (* x 0.5))))
  (* x 1)
  (* (cbrt x) (- 1.0 (* x 0.5)))
  (* (sqrt x) (- 1.0 (* x 0.5)))
  (* x (- 1.0 (* x 0.5)))
  (* x (- (pow 1.0 3) (pow (* x 0.5) 3)))
  (* x (- (* 1.0 1.0) (* (* x 0.5) (* x 0.5))))
  (- (* 1.0 x) (* 0.5 (pow x 2)))
  (- (* 1.0 x) (* 0.5 (pow x 2)))
  (- (* 1.0 x) (* 0.5 (pow x 2)))
0.731 * * [simplify]: iteration 0: 51 enodes
0.775 * * [simplify]: iteration 1: 132 enodes
0.862 * * [simplify]: iteration 2: 415 enodes
2.766 * * [simplify]: iteration 3: 1888 enodes
7.260 * * [simplify]: iteration complete: 5007 enodes
7.260 * * [simplify]: Extracting #0: cost 17 inf + 0
7.261 * * [simplify]: Extracting #1: cost 221 inf + 1
7.268 * * [simplify]: Extracting #2: cost 907 inf + 7532
7.320 * * [simplify]: Extracting #3: cost 1095 inf + 95197
7.493 * * [simplify]: Extracting #4: cost 339 inf + 290125
7.644 * * [simplify]: Extracting #5: cost 25 inf + 358662
7.849 * * [simplify]: Extracting #6: cost 26 inf + 361857
7.992 * * [simplify]: Extracting #7: cost 6 inf + 364338
8.132 * * [simplify]: Extracting #8: cost 0 inf + 365979
8.360 * [simplify]: Simplified to:
  (* (- 1.0 (* 0.5 x)) x)
  (log (* (- 1.0 (* 0.5 x)) x))
  (log (* (- 1.0 (* 0.5 x)) x))
  (exp (* (- 1.0 (* 0.5 x)) x))
  (* (* (- 1.0 (* 0.5 x)) x) (* (* (- 1.0 (* 0.5 x)) x) (* (- 1.0 (* 0.5 x)) x)))
  (* (cbrt (* (- 1.0 (* 0.5 x)) x)) (cbrt (* (- 1.0 (* 0.5 x)) x)))
  (cbrt (* (- 1.0 (* 0.5 x)) x))
  (* (* (- 1.0 (* 0.5 x)) x) (* (* (- 1.0 (* 0.5 x)) x) (* (- 1.0 (* 0.5 x)) x)))
  (sqrt (* (- 1.0 (* 0.5 x)) x))
  (sqrt (* (- 1.0 (* 0.5 x)) x))
  (* (sqrt (- 1.0 (* 0.5 x))) (sqrt x))
  (* (sqrt (- 1.0 (* 0.5 x))) (sqrt x))
  (* 1.0 x)
  (* (- 0.5) (* x x))
  (* 1.0 x)
  (* (- 0.5) (* x x))
  (* 1.0 x)
  (* (- 0.5) (* x x))
  (* 1.0 x)
  (* (- 0.5) (* x x))
  (* (cbrt (- 1.0 (* 0.5 x))) (* (cbrt (- 1.0 (* 0.5 x))) x))
  (* (sqrt (- 1.0 (* 0.5 x))) x)
  x
  (* (- 1.0 (* 0.5 x)) (cbrt x))
  (* (sqrt x) (- 1.0 (* 0.5 x)))
  (* (- 1.0 (* 0.5 x)) x)
  (* x (- (* (* 1.0 1.0) 1.0) (* (* x 0.5) (* (* x 0.5) (* x 0.5)))))
  (* (+ (* 0.5 x) 1.0) (* (- 1.0 (* 0.5 x)) x))
  (* (- 1.0 (* 0.5 x)) x)
  (* (- 1.0 (* 0.5 x)) x)
  (* (- 1.0 (* 0.5 x)) x)
8.362 * * * [progress]: adding candidates to table
8.534 * * [progress]: iteration 2 / 4
8.534 * * * [progress]: picking best candidate
8.539 * * * * [pick]: Picked  #<alt (λ (x) (+ (* x 1.0) (* x (- (* x 0.5)))))>
8.539 * * * [progress]: localizing error
8.559 * * * [progress]: generating rewritten candidates
8.559 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
8.579 * * * [progress]: generating series expansions
8.579 * * * * [progress]: [ 1 / 1 ] generating series at (2)
8.580 * [backup-simplify]: Simplify (+ (* x 1.0) (* x (- (* x 0.5)))) into (- (* 1.0 x) (* 0.5 (pow x 2)))
8.580 * [approximate]: Taking taylor expansion of (- (* 1.0 x) (* 0.5 (pow x 2))) in (x) around 0
8.580 * [taylor]: Taking taylor expansion of (- (* 1.0 x) (* 0.5 (pow x 2))) in x
8.580 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
8.580 * [taylor]: Taking taylor expansion of 1.0 in x
8.580 * [backup-simplify]: Simplify 1.0 into 1.0
8.580 * [taylor]: Taking taylor expansion of x in x
8.580 * [backup-simplify]: Simplify 0 into 0
8.580 * [backup-simplify]: Simplify 1 into 1
8.580 * [taylor]: Taking taylor expansion of (* 0.5 (pow x 2)) in x
8.580 * [taylor]: Taking taylor expansion of 0.5 in x
8.580 * [backup-simplify]: Simplify 0.5 into 0.5
8.580 * [taylor]: Taking taylor expansion of (pow x 2) in x
8.580 * [taylor]: Taking taylor expansion of x in x
8.580 * [backup-simplify]: Simplify 0 into 0
8.580 * [backup-simplify]: Simplify 1 into 1
8.580 * [taylor]: Taking taylor expansion of (- (* 1.0 x) (* 0.5 (pow x 2))) in x
8.580 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
8.580 * [taylor]: Taking taylor expansion of 1.0 in x
8.580 * [backup-simplify]: Simplify 1.0 into 1.0
8.580 * [taylor]: Taking taylor expansion of x in x
8.580 * [backup-simplify]: Simplify 0 into 0
8.580 * [backup-simplify]: Simplify 1 into 1
8.581 * [taylor]: Taking taylor expansion of (* 0.5 (pow x 2)) in x
8.581 * [taylor]: Taking taylor expansion of 0.5 in x
8.581 * [backup-simplify]: Simplify 0.5 into 0.5
8.581 * [taylor]: Taking taylor expansion of (pow x 2) in x
8.581 * [taylor]: Taking taylor expansion of x in x
8.581 * [backup-simplify]: Simplify 0 into 0
8.581 * [backup-simplify]: Simplify 1 into 1
8.582 * [backup-simplify]: Simplify (* 1.0 0) into 0
8.582 * [backup-simplify]: Simplify (+ 0 0) into 0
8.582 * [backup-simplify]: Simplify 0 into 0
8.584 * [backup-simplify]: Simplify (+ (* 1.0 1) (* 0 0)) into 1.0
8.584 * [backup-simplify]: Simplify (+ 1.0 0) into 1.0
8.584 * [backup-simplify]: Simplify 1.0 into 1.0
8.585 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 1) (* 0 0))) into 0
8.586 * [backup-simplify]: Simplify (* 1 1) into 1
8.586 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
8.587 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
8.588 * [backup-simplify]: Simplify (+ 0 (- 0.5)) into (- 0.5)
8.588 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
8.590 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
8.591 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
8.592 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
8.592 * [backup-simplify]: Simplify (- 0) into 0
8.592 * [backup-simplify]: Simplify (+ 0 0) into 0
8.593 * [backup-simplify]: Simplify 0 into 0
8.594 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))) into 0
8.595 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
8.597 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
8.597 * [backup-simplify]: Simplify (- 0) into 0
8.597 * [backup-simplify]: Simplify (+ 0 0) into 0
8.597 * [backup-simplify]: Simplify 0 into 0
8.599 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))))) into 0
8.600 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
8.601 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
8.601 * [backup-simplify]: Simplify (- 0) into 0
8.602 * [backup-simplify]: Simplify (+ 0 0) into 0
8.602 * [backup-simplify]: Simplify 0 into 0
8.603 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))))) into 0
8.605 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
8.606 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
8.607 * [backup-simplify]: Simplify (- 0) into 0
8.607 * [backup-simplify]: Simplify (+ 0 0) into 0
8.607 * [backup-simplify]: Simplify 0 into 0
8.609 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))))))) into 0
8.610 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
8.612 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
8.612 * [backup-simplify]: Simplify (- 0) into 0
8.619 * [backup-simplify]: Simplify (+ 0 0) into 0
8.619 * [backup-simplify]: Simplify 0 into 0
8.620 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))))))) into 0
8.621 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
8.622 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
8.622 * [backup-simplify]: Simplify (- 0) into 0
8.623 * [backup-simplify]: Simplify (+ 0 0) into 0
8.623 * [backup-simplify]: Simplify 0 into 0
8.623 * [backup-simplify]: Simplify (+ (* (- 0.5) (pow x 2)) (* 1.0 x)) into (- (* 1.0 x) (* 0.5 (pow x 2)))
8.623 * [backup-simplify]: Simplify (+ (* (/ 1 x) 1.0) (* (/ 1 x) (- (* (/ 1 x) 0.5)))) into (- (* 1.0 (/ 1 x)) (* 0.5 (/ 1 (pow x 2))))
8.623 * [approximate]: Taking taylor expansion of (- (* 1.0 (/ 1 x)) (* 0.5 (/ 1 (pow x 2)))) in (x) around 0
8.623 * [taylor]: Taking taylor expansion of (- (* 1.0 (/ 1 x)) (* 0.5 (/ 1 (pow x 2)))) in x
8.623 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
8.623 * [taylor]: Taking taylor expansion of 1.0 in x
8.623 * [backup-simplify]: Simplify 1.0 into 1.0
8.623 * [taylor]: Taking taylor expansion of (/ 1 x) in x
8.623 * [taylor]: Taking taylor expansion of x in x
8.624 * [backup-simplify]: Simplify 0 into 0
8.624 * [backup-simplify]: Simplify 1 into 1
8.624 * [backup-simplify]: Simplify (/ 1 1) into 1
8.624 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow x 2))) in x
8.624 * [taylor]: Taking taylor expansion of 0.5 in x
8.624 * [backup-simplify]: Simplify 0.5 into 0.5
8.624 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
8.624 * [taylor]: Taking taylor expansion of (pow x 2) in x
8.624 * [taylor]: Taking taylor expansion of x in x
8.624 * [backup-simplify]: Simplify 0 into 0
8.624 * [backup-simplify]: Simplify 1 into 1
8.624 * [backup-simplify]: Simplify (* 1 1) into 1
8.624 * [backup-simplify]: Simplify (/ 1 1) into 1
8.625 * [taylor]: Taking taylor expansion of (- (* 1.0 (/ 1 x)) (* 0.5 (/ 1 (pow x 2)))) in x
8.625 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
8.625 * [taylor]: Taking taylor expansion of 1.0 in x
8.625 * [backup-simplify]: Simplify 1.0 into 1.0
8.625 * [taylor]: Taking taylor expansion of (/ 1 x) in x
8.625 * [taylor]: Taking taylor expansion of x in x
8.625 * [backup-simplify]: Simplify 0 into 0
8.625 * [backup-simplify]: Simplify 1 into 1
8.625 * [backup-simplify]: Simplify (/ 1 1) into 1
8.625 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow x 2))) in x
8.625 * [taylor]: Taking taylor expansion of 0.5 in x
8.625 * [backup-simplify]: Simplify 0.5 into 0.5
8.625 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
8.625 * [taylor]: Taking taylor expansion of (pow x 2) in x
8.625 * [taylor]: Taking taylor expansion of x in x
8.625 * [backup-simplify]: Simplify 0 into 0
8.625 * [backup-simplify]: Simplify 1 into 1
8.626 * [backup-simplify]: Simplify (* 1 1) into 1
8.626 * [backup-simplify]: Simplify (/ 1 1) into 1
8.627 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
8.627 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
8.628 * [backup-simplify]: Simplify (+ 0 (- 0.5)) into (- 0.5)
8.628 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
8.629 * [backup-simplify]: Simplify (* 1.0 1) into 1.0
8.630 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
8.630 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
8.631 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
8.631 * [backup-simplify]: Simplify (- 0) into 0
8.632 * [backup-simplify]: Simplify (+ 1.0 0) into 1.0
8.632 * [backup-simplify]: Simplify 1.0 into 1.0
8.633 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
8.633 * [backup-simplify]: Simplify (+ (* 1.0 0) (* 0 1)) into 0
8.635 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
8.636 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
8.637 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
8.637 * [backup-simplify]: Simplify (- 0) into 0
8.638 * [backup-simplify]: Simplify (+ 0 0) into 0
8.638 * [backup-simplify]: Simplify 0 into 0
8.639 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
8.640 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (* 0 1))) into 0
8.641 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
8.642 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
8.643 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
8.644 * [backup-simplify]: Simplify (- 0) into 0
8.650 * [backup-simplify]: Simplify (+ 0 0) into 0
8.650 * [backup-simplify]: Simplify 0 into 0
8.651 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
8.652 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
8.653 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
8.654 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
8.655 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
8.655 * [backup-simplify]: Simplify (- 0) into 0
8.656 * [backup-simplify]: Simplify (+ 0 0) into 0
8.656 * [backup-simplify]: Simplify 0 into 0
8.657 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
8.658 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
8.659 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
8.660 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
8.662 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
8.662 * [backup-simplify]: Simplify (- 0) into 0
8.663 * [backup-simplify]: Simplify (+ 0 0) into 0
8.663 * [backup-simplify]: Simplify 0 into 0
8.664 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
8.665 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
8.667 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
8.668 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
8.669 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
8.670 * [backup-simplify]: Simplify (- 0) into 0
8.670 * [backup-simplify]: Simplify (+ 0 0) into 0
8.670 * [backup-simplify]: Simplify 0 into 0
8.671 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
8.673 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
8.674 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0
8.676 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
8.678 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0
8.679 * [backup-simplify]: Simplify (- 0) into 0
8.679 * [backup-simplify]: Simplify (+ 0 0) into 0
8.679 * [backup-simplify]: Simplify 0 into 0
8.680 * [backup-simplify]: Simplify (+ (* 1.0 (/ 1 (/ 1 x))) (* (- 0.5) (pow (/ 1 (/ 1 x)) 2))) into (- (* 1.0 x) (* 0.5 (pow x 2)))
8.680 * [backup-simplify]: Simplify (+ (* (/ 1 (- x)) 1.0) (* (/ 1 (- x)) (- (* (/ 1 (- x)) 0.5)))) into (- (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x))))
8.680 * [approximate]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x)))) in (x) around 0
8.680 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x)))) in x
8.680 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x))) in x
8.680 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow x 2))) in x
8.680 * [taylor]: Taking taylor expansion of 0.5 in x
8.680 * [backup-simplify]: Simplify 0.5 into 0.5
8.680 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
8.680 * [taylor]: Taking taylor expansion of (pow x 2) in x
8.680 * [taylor]: Taking taylor expansion of x in x
8.681 * [backup-simplify]: Simplify 0 into 0
8.681 * [backup-simplify]: Simplify 1 into 1
8.681 * [backup-simplify]: Simplify (* 1 1) into 1
8.681 * [backup-simplify]: Simplify (/ 1 1) into 1
8.681 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
8.681 * [taylor]: Taking taylor expansion of 1.0 in x
8.681 * [backup-simplify]: Simplify 1.0 into 1.0
8.682 * [taylor]: Taking taylor expansion of (/ 1 x) in x
8.682 * [taylor]: Taking taylor expansion of x in x
8.682 * [backup-simplify]: Simplify 0 into 0
8.682 * [backup-simplify]: Simplify 1 into 1
8.682 * [backup-simplify]: Simplify (/ 1 1) into 1
8.682 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x)))) in x
8.682 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x))) in x
8.682 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow x 2))) in x
8.682 * [taylor]: Taking taylor expansion of 0.5 in x
8.682 * [backup-simplify]: Simplify 0.5 into 0.5
8.682 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
8.682 * [taylor]: Taking taylor expansion of (pow x 2) in x
8.682 * [taylor]: Taking taylor expansion of x in x
8.682 * [backup-simplify]: Simplify 0 into 0
8.682 * [backup-simplify]: Simplify 1 into 1
8.683 * [backup-simplify]: Simplify (* 1 1) into 1
8.683 * [backup-simplify]: Simplify (/ 1 1) into 1
8.683 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
8.683 * [taylor]: Taking taylor expansion of 1.0 in x
8.683 * [backup-simplify]: Simplify 1.0 into 1.0
8.683 * [taylor]: Taking taylor expansion of (/ 1 x) in x
8.683 * [taylor]: Taking taylor expansion of x in x
8.683 * [backup-simplify]: Simplify 0 into 0
8.683 * [backup-simplify]: Simplify 1 into 1
8.684 * [backup-simplify]: Simplify (/ 1 1) into 1
8.684 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
8.685 * [backup-simplify]: Simplify (+ 0.5 0) into 0.5
8.685 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
8.685 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
8.686 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
8.687 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
8.687 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
8.688 * [backup-simplify]: Simplify (* 1.0 1) into 1.0
8.688 * [backup-simplify]: Simplify (+ 0 1.0) into 1.0
8.689 * [backup-simplify]: Simplify (- 1.0) into (- 1.0)
8.689 * [backup-simplify]: Simplify (- 1.0) into (- 1.0)
8.690 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
8.691 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
8.692 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
8.693 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
8.693 * [backup-simplify]: Simplify (+ (* 1.0 0) (* 0 1)) into 0
8.694 * [backup-simplify]: Simplify (+ 0 0) into 0
8.694 * [backup-simplify]: Simplify (- 0) into 0
8.694 * [backup-simplify]: Simplify 0 into 0
8.695 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
8.696 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
8.697 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
8.698 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
8.699 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (* 0 1))) into 0
8.700 * [backup-simplify]: Simplify (+ 0 0) into 0
8.700 * [backup-simplify]: Simplify (- 0) into 0
8.700 * [backup-simplify]: Simplify 0 into 0
8.701 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
8.702 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
8.703 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
8.704 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
8.705 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
8.706 * [backup-simplify]: Simplify (+ 0 0) into 0
8.706 * [backup-simplify]: Simplify (- 0) into 0
8.706 * [backup-simplify]: Simplify 0 into 0
8.707 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
8.708 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
8.710 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
8.711 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
8.712 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
8.712 * [backup-simplify]: Simplify (+ 0 0) into 0
8.713 * [backup-simplify]: Simplify (- 0) into 0
8.713 * [backup-simplify]: Simplify 0 into 0
8.714 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
8.715 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
8.717 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
8.718 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
8.720 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
8.720 * [backup-simplify]: Simplify (+ 0 0) into 0
8.721 * [backup-simplify]: Simplify (- 0) into 0
8.721 * [backup-simplify]: Simplify 0 into 0
8.722 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0
8.723 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
8.725 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0
8.726 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
8.728 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
8.729 * [backup-simplify]: Simplify (+ 0 0) into 0
8.730 * [backup-simplify]: Simplify (- 0) into 0
8.730 * [backup-simplify]: Simplify 0 into 0
8.731 * [backup-simplify]: Simplify (+ (* (- 1.0) (/ 1 (/ 1 (- x)))) (* (- 0.5) (pow (/ 1 (/ 1 (- x))) 2))) into (- (* 1.0 x) (* 0.5 (pow x 2)))
8.731 * * * [progress]: simplifying candidates
8.732 * [simplify]: Simplifying:
  (* (exp (* x 1.0)) (exp (* x (- (* x 0.5)))))
  (log (+ (* x 1.0) (* x (- (* x 0.5)))))
  (exp (+ (* x 1.0) (* x (- (* x 0.5)))))
  (* (cbrt (+ (* x 1.0) (* x (- (* x 0.5))))) (cbrt (+ (* x 1.0) (* x (- (* x 0.5))))))
  (cbrt (+ (* x 1.0) (* x (- (* x 0.5)))))
  (* (* (+ (* x 1.0) (* x (- (* x 0.5)))) (+ (* x 1.0) (* x (- (* x 0.5))))) (+ (* x 1.0) (* x (- (* x 0.5)))))
  (sqrt (+ (* x 1.0) (* x (- (* x 0.5)))))
  (sqrt (+ (* x 1.0) (* x (- (* x 0.5)))))
  (+ (pow (* x 1.0) 3) (pow (* x (- (* x 0.5))) 3))
  (+ (* (* x 1.0) (* x 1.0)) (- (* (* x (- (* x 0.5))) (* x (- (* x 0.5)))) (* (* x 1.0) (* x (- (* x 0.5))))))
  (- (* (* x 1.0) (* x 1.0)) (* (* x (- (* x 0.5))) (* x (- (* x 0.5)))))
  (- (* x 1.0) (* x (- (* x 0.5))))
  (+ 1.0 (- (* x 0.5)))
  (- (* 1.0 x) (* 0.5 (pow x 2)))
  (- (* 1.0 x) (* 0.5 (pow x 2)))
  (- (* 1.0 x) (* 0.5 (pow x 2)))
8.732 * * [simplify]: iteration 0: 35 enodes
8.754 * * [simplify]: iteration 1: 118 enodes
9.091 * * [simplify]: iteration 2: 509 enodes
10.475 * * [simplify]: iteration 3: 2389 enodes
16.763 * * [simplify]: iteration complete: 5000 enodes
16.763 * * [simplify]: Extracting #0: cost 12 inf + 0
16.764 * * [simplify]: Extracting #1: cost 124 inf + 0
16.768 * * [simplify]: Extracting #2: cost 799 inf + 581
16.794 * * [simplify]: Extracting #3: cost 1113 inf + 25971
16.870 * * [simplify]: Extracting #4: cost 343 inf + 185955
17.091 * * [simplify]: Extracting #5: cost 90 inf + 253920
17.210 * * [simplify]: Extracting #6: cost 19 inf + 270114
17.404 * * [simplify]: Extracting #7: cost 0 inf + 276262
17.509 * [simplify]: Simplified to:
  (exp (* (- 1.0 (* 0.5 x)) x))
  (log (* (- 1.0 (* 0.5 x)) x))
  (exp (* (- 1.0 (* 0.5 x)) x))
  (* (cbrt (* (- 1.0 (* 0.5 x)) x)) (cbrt (* (- 1.0 (* 0.5 x)) x)))
  (cbrt (* (- 1.0 (* 0.5 x)) x))
  (* (* (* (* x (- 1.0 (* 0.5 x))) (* x (- 1.0 (* 0.5 x)))) (- 1.0 (* 0.5 x))) x)
  (sqrt (* (- 1.0 (* 0.5 x)) x))
  (sqrt (* (- 1.0 (* 0.5 x)) x))
  (- (* (* x 1.0) (* (* x 1.0) (* x 1.0))) (* (* (* 0.5 (* x x)) (* 0.5 (* x x))) (* 0.5 (* x x))))
  (+ (* (* x 1.0) (* x 1.0)) (* (* 0.5 (* x x)) (+ (* 0.5 (* x x)) (* 1.0 x))))
  (* (* x x) (* (+ 1.0 (* 0.5 x)) (- 1.0 (* 0.5 x))))
  (* (+ 1.0 (* 0.5 x)) x)
  (- 1.0 (* 0.5 x))
  (* (- 1.0 (* 0.5 x)) x)
  (* (- 1.0 (* 0.5 x)) x)
  (* (- 1.0 (* 0.5 x)) x)
17.510 * * * [progress]: adding candidates to table
17.605 * [progress]: [Phase 3 of 3] Extracting.
17.605 * * [regime]: Finding splitpoints for: (#<alt (λ (x) (+ (* x 1.0) (* x (- (* x 0.5)))))> #<alt (λ (x) (* x (- 1.0 (* x 0.5))))>)
17.605 * * * [regime-changes]: Trying 2 branch expressions: ((* x (- 1.0 (* x 0.5))) x)
17.605 * * * * [regimes]: Trying to branch on (* x (- 1.0 (* x 0.5))) from (#<alt (λ (x) (+ (* x 1.0) (* x (- (* x 0.5)))))> #<alt (λ (x) (* x (- 1.0 (* x 0.5))))>)
17.649 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x) (+ (* x 1.0) (* x (- (* x 0.5)))))> #<alt (λ (x) (* x (- 1.0 (* x 0.5))))>)
17.699 * * * [regime]: Found split indices: #<option (#s(si 1 255))>
17.700 * [simplify]: Simplifying:
  (* x (- 1.0 (* x 0.5)))
17.700 * * [simplify]: iteration 0: 6 enodes
17.701 * * [simplify]: iteration 1: 8 enodes
17.701 * * [simplify]: iteration complete: 8 enodes
17.701 * * [simplify]: Extracting #0: cost 1 inf + 0
17.701 * * [simplify]: Extracting #1: cost 3 inf + 0
17.702 * * [simplify]: Extracting #2: cost 4 inf + 1
17.702 * * [simplify]: Extracting #3: cost 4 inf + 2
17.702 * * [simplify]: Extracting #4: cost 3 inf + 3
17.702 * * [simplify]: Extracting #5: cost 0 inf + 251
17.702 * [simplify]: Simplified to:
  (* (- 1.0 (* x 0.5)) x)
19.551 * [regime-testing]: Baseline error score: 0.011001375171896487
19.572 * [regime-testing]: Oracle error score: 0.00037504688086010754
19.603 * [regime-testing]: End program error score: 0.011001375171896487