1545729801.295 * [misc]progress:  [Phase 1 of 3] Setting up.
1545729801.296 * * * [misc]progress:  [1/2] Preparing points
1545729801.296 * * * * [misc]points:  Sampling 256 additional inputs, on iter 0 have 0 / 256
1545729801.375 * * * * [misc]points:  Filtering points with unrepresentable outputs
1545729801.376 * * * * [misc]points:  Sampling 199 additional inputs, on iter 1 have 57 / 256
1545729801.538 * * * * [misc]points:  Filtering points with unrepresentable outputs
1545729801.539 * * * * [misc]points:  Sampling 144 additional inputs, on iter 2 have 112 / 256
1545729801.556 * * * * [misc]points:  Filtering points with unrepresentable outputs
1545729801.556 * * * * [misc]points:  Sampling 112 additional inputs, on iter 3 have 144 / 256
1545729801.565 * * * * [misc]points:  Filtering points with unrepresentable outputs
1545729801.565 * * * * [misc]points:  Sampling 87 additional inputs, on iter 4 have 169 / 256
1545729801.609 * * * * [misc]points:  Filtering points with unrepresentable outputs
1545729801.610 * * * * [misc]points:  Sampling 63 additional inputs, on iter 5 have 193 / 256
1545729801.623 * * * * [misc]points:  Filtering points with unrepresentable outputs
1545729801.623 * * * * [misc]points:  Sampling 48 additional inputs, on iter 6 have 208 / 256
1545729801.633 * * * * [misc]points:  Filtering points with unrepresentable outputs
1545729801.633 * * * * [misc]points:  Sampling 41 additional inputs, on iter 7 have 215 / 256
1545729801.638 * * * * [misc]points:  Filtering points with unrepresentable outputs
1545729801.638 * * * * [misc]points:  Sampling 33 additional inputs, on iter 8 have 223 / 256
1545729801.644 * * * * [misc]points:  Filtering points with unrepresentable outputs
1545729801.644 * * * * [misc]points:  Sampling 26 additional inputs, on iter 9 have 230 / 256
1545729801.649 * * * * [misc]points:  Filtering points with unrepresentable outputs
1545729801.649 * * * * [misc]points:  Sampling 21 additional inputs, on iter 10 have 235 / 256
1545729801.654 * * * * [misc]points:  Filtering points with unrepresentable outputs
1545729801.654 * * * * [misc]points:  Sampling 14 additional inputs, on iter 11 have 242 / 256
1545729801.658 * * * * [misc]points:  Filtering points with unrepresentable outputs
1545729801.658 * * * * [misc]points:  Sampling 12 additional inputs, on iter 12 have 244 / 256
1545729801.661 * * * * [misc]points:  Filtering points with unrepresentable outputs
1545729801.661 * * * * [misc]points:  Sampling 8 additional inputs, on iter 13 have 248 / 256
1545729801.664 * * * * [misc]points:  Filtering points with unrepresentable outputs
1545729801.664 * * * * [misc]points:  Sampling 6 additional inputs, on iter 14 have 250 / 256
1545729801.667 * * * * [misc]points:  Filtering points with unrepresentable outputs
1545729801.667 * * * * [misc]points:  Sampling 4 additional inputs, on iter 15 have 252 / 256
1545729801.669 * * * * [misc]points:  Filtering points with unrepresentable outputs
1545729801.669 * * * * [misc]points:  Sampling 4 additional inputs, on iter 16 have 254 / 256
1545729801.671 * * * * [misc]points:  Filtering points with unrepresentable outputs
1545729801.671 * * * * [misc]points:  Sampling 4 additional inputs, on iter 17 have 255 / 256
1545729801.673 * * * * [misc]points:  Filtering points with unrepresentable outputs
1545729801.673 * * * * [exit]points:  Sampled 256 points with exact outputs
1545729801.674 * * * [misc]progress:  [2/2] Setting up program.
1545729801.683 * [misc]progress:  [Phase 2 of 3] Improving.
1545729801.684 * [enter]simplify:  Simplifying (* (sqrt (- x 1)) (sqrt x))
1545729801.686 * * [misc]simplify:  iters left: 5 (6 enodes)
1545729801.696 * * [misc]simplify:  iters left: 4 (12 enodes)
1545729801.699 * * [misc]simplify:  iters left: 3 (13 enodes)
1545729801.702 * [exit]simplify:  Simplified to (* (sqrt (+ x -1)) (sqrt x))
1545729801.711 * * [misc]progress:  iteration 1 / 4
1545729801.711 * * * [misc]progress:  picking best candidate
1545729801.714 * * * * [misc]pick:  Picked  #<alt (λ (x) (* (sqrt (+ x -1)) (sqrt x)))>
1545729801.715 * * * [misc]progress:  localizing error
1545729801.771 * * * [misc]progress:  generating rewritten candidates
1545729801.772 * * * * [misc]progress:  [ 1 / 1 ] rewriting at (2)
1545729801.785 * * * [misc]progress:  generating series expansions
1545729801.786 * * * * [misc]progress:  [ 1 / 1 ] generating series at (2)
1545729801.792 * [misc]backup-simplify:  Simplify (* (sqrt (+ x -1)) (sqrt x)) into (sqrt (* x (- x 1)))
1545729801.792 * [misc]approximate:  Taking taylor expansion of (sqrt (* x (- x 1))) in (x) around 0
1545729801.794 * [misc]taylor:  Taking taylor expansion of (sqrt (* x (- x 1))) in x
1545729801.794 * [misc]taylor:  Taking taylor expansion of (* x (- x 1)) in x
1545729801.794 * [misc]taylor:  Taking taylor expansion of x in x
1545729801.794 * [misc]backup-simplify:  Simplify 0 into 0
1545729801.794 * [misc]backup-simplify:  Simplify 1 into 1
1545729801.794 * [misc]taylor:  Taking taylor expansion of (- x 1) in x
1545729801.794 * [misc]taylor:  Taking taylor expansion of x in x
1545729801.794 * [misc]backup-simplify:  Simplify 0 into 0
1545729801.794 * [misc]backup-simplify:  Simplify 1 into 1
1545729801.794 * [misc]taylor:  Taking taylor expansion of 1 in x
1545729801.794 * [misc]backup-simplify:  Simplify 1 into 1
1545729801.795 * [misc]backup-simplify:  Simplify (- 1) into -1
1545729801.796 * [misc]backup-simplify:  Simplify (+ 0 -1) into -1
1545729801.796 * [misc]backup-simplify:  Simplify (* 0 -1) into 0
1545729801.796 * [misc]backup-simplify:  Simplify (- 0) into 0
1545729801.796 * [misc]backup-simplify:  Simplify (+ 1 0) into 1
1545729801.797 * [misc]backup-simplify:  Simplify (+ (* 0 1) (* 1 -1)) into -1
1545729801.797 * [misc]backup-simplify:  Simplify (sqrt 0) into 0
1545729801.797 * [misc]backup-simplify:  Simplify (/ -1 (* 2 (sqrt 0))) into +nan.0
1545729801.797 * [misc]taylor:  Taking taylor expansion of (sqrt (* x (- x 1))) in x
1545729801.798 * [misc]taylor:  Taking taylor expansion of (* x (- x 1)) in x
1545729801.798 * [misc]taylor:  Taking taylor expansion of x in x
1545729801.798 * [misc]backup-simplify:  Simplify 0 into 0
1545729801.798 * [misc]backup-simplify:  Simplify 1 into 1
1545729801.798 * [misc]taylor:  Taking taylor expansion of (- x 1) in x
1545729801.798 * [misc]taylor:  Taking taylor expansion of x in x
1545729801.798 * [misc]backup-simplify:  Simplify 0 into 0
1545729801.798 * [misc]backup-simplify:  Simplify 1 into 1
1545729801.798 * [misc]taylor:  Taking taylor expansion of 1 in x
1545729801.798 * [misc]backup-simplify:  Simplify 1 into 1
1545729801.798 * [misc]backup-simplify:  Simplify (- 1) into -1
1545729801.798 * [misc]backup-simplify:  Simplify (+ 0 -1) into -1
1545729801.798 * [misc]backup-simplify:  Simplify (* 0 -1) into 0
1545729801.798 * [misc]backup-simplify:  Simplify (- 0) into 0
1545729801.799 * [misc]backup-simplify:  Simplify (+ 1 0) into 1
1545729801.799 * [misc]backup-simplify:  Simplify (+ (* 0 1) (* 1 -1)) into -1
1545729801.799 * [misc]backup-simplify:  Simplify (sqrt 0) into 0
1545729801.800 * [misc]backup-simplify:  Simplify (/ -1 (* 2 (sqrt 0))) into +nan.0
1545729801.800 * [misc]backup-simplify:  Simplify 0 into 0
1545729801.800 * [misc]backup-simplify:  Simplify +nan.0 into +nan.0
1545729801.801 * [misc]backup-simplify:  Simplify (- 0) into 0
1545729801.801 * [misc]backup-simplify:  Simplify (+ 0 0) into 0
1545729801.802 * [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 1) (* 0 -1))) into 1
1545729801.804 * [misc]backup-simplify:  Simplify (/ (- 1 (pow +nan.0 2) (+)) (* 2 0)) into +nan.0
1545729801.804 * [misc]backup-simplify:  Simplify +nan.0 into +nan.0
1545729801.804 * [misc]backup-simplify:  Simplify (- 0) into 0
1545729801.804 * [misc]backup-simplify:  Simplify (+ 0 0) into 0
1545729801.805 * [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 1) (* 0 -1)))) into 0
1545729801.806 * [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* +nan.0 +nan.0)))) (* 2 0)) into +nan.0
1545729801.806 * [misc]backup-simplify:  Simplify +nan.0 into +nan.0
1545729801.808 * [misc]backup-simplify:  Simplify (+ (* +nan.0 (pow x 3)) (+ (* +nan.0 (pow x 2)) (* +nan.0 x))) into (- (+ (* +nan.0 x) (- (+ (* +nan.0 (pow x 3)) (- (* +nan.0 (pow x 2)))))))
1545729801.808 * [misc]backup-simplify:  Simplify (* (sqrt (+ (/ 1 x) -1)) (sqrt (/ 1 x))) into (sqrt (/ (- (/ 1 x) 1) x))
1545729801.808 * [misc]approximate:  Taking taylor expansion of (sqrt (/ (- (/ 1 x) 1) x)) in (x) around 0
1545729801.808 * [misc]taylor:  Taking taylor expansion of (sqrt (/ (- (/ 1 x) 1) x)) in x
1545729801.808 * [misc]taylor:  Taking taylor expansion of (/ (- (/ 1 x) 1) x) in x
1545729801.808 * [misc]taylor:  Taking taylor expansion of (- (/ 1 x) 1) in x
1545729801.808 * [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
1545729801.808 * [misc]taylor:  Taking taylor expansion of x in x
1545729801.808 * [misc]backup-simplify:  Simplify 0 into 0
1545729801.808 * [misc]backup-simplify:  Simplify 1 into 1
1545729801.809 * [misc]backup-simplify:  Simplify (/ 1 1) into 1
1545729801.809 * [misc]taylor:  Taking taylor expansion of 1 in x
1545729801.809 * [misc]backup-simplify:  Simplify 1 into 1
1545729801.809 * [misc]taylor:  Taking taylor expansion of x in x
1545729801.809 * [misc]backup-simplify:  Simplify 0 into 0
1545729801.809 * [misc]backup-simplify:  Simplify 1 into 1
1545729801.809 * [misc]backup-simplify:  Simplify (+ 1 0) into 1
1545729801.809 * [misc]backup-simplify:  Simplify (/ 1 1) into 1
1545729801.809 * [misc]backup-simplify:  Simplify (sqrt 1) into 1
1545729801.810 * [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
1545729801.810 * [misc]backup-simplify:  Simplify (- 1) into -1
1545729801.810 * [misc]backup-simplify:  Simplify (+ 0 -1) into -1
1545729801.811 * [misc]backup-simplify:  Simplify (- (/ -1 1) (+ (* 1 (/ 0 1)))) into -1
1545729801.811 * [misc]backup-simplify:  Simplify (/ -1 (* 2 (sqrt 1))) into -1/2
1545729801.811 * [misc]taylor:  Taking taylor expansion of (sqrt (/ (- (/ 1 x) 1) x)) in x
1545729801.811 * [misc]taylor:  Taking taylor expansion of (/ (- (/ 1 x) 1) x) in x
1545729801.811 * [misc]taylor:  Taking taylor expansion of (- (/ 1 x) 1) in x
1545729801.811 * [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
1545729801.811 * [misc]taylor:  Taking taylor expansion of x in x
1545729801.811 * [misc]backup-simplify:  Simplify 0 into 0
1545729801.811 * [misc]backup-simplify:  Simplify 1 into 1
1545729801.811 * [misc]backup-simplify:  Simplify (/ 1 1) into 1
1545729801.811 * [misc]taylor:  Taking taylor expansion of 1 in x
1545729801.811 * [misc]backup-simplify:  Simplify 1 into 1
1545729801.812 * [misc]taylor:  Taking taylor expansion of x in x
1545729801.812 * [misc]backup-simplify:  Simplify 0 into 0
1545729801.812 * [misc]backup-simplify:  Simplify 1 into 1
1545729801.812 * [misc]backup-simplify:  Simplify (+ 1 0) into 1
1545729801.812 * [misc]backup-simplify:  Simplify (/ 1 1) into 1
1545729801.812 * [misc]backup-simplify:  Simplify (sqrt 1) into 1
1545729801.812 * [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
1545729801.813 * [misc]backup-simplify:  Simplify (- 1) into -1
1545729801.813 * [misc]backup-simplify:  Simplify (+ 0 -1) into -1
1545729801.813 * [misc]backup-simplify:  Simplify (- (/ -1 1) (+ (* 1 (/ 0 1)))) into -1
1545729801.813 * [misc]backup-simplify:  Simplify (/ -1 (* 2 (sqrt 1))) into -1/2
1545729801.813 * [misc]backup-simplify:  Simplify 1 into 1
1545729801.813 * [misc]backup-simplify:  Simplify -1/2 into -1/2
1545729801.814 * [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1545729801.814 * [misc]backup-simplify:  Simplify (- 0) into 0
1545729801.814 * [misc]backup-simplify:  Simplify (+ 0 0) into 0
1545729801.814 * [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* 1 (/ 0 1)) (* -1 (/ 0 1)))) into 0
1545729801.816 * [misc]backup-simplify:  Simplify (/ (- 0 (pow -1/2 2) (+)) (* 2 1)) into -1/8
1545729801.816 * [misc]backup-simplify:  Simplify -1/8 into -1/8
1545729801.816 * [misc]backup-simplify:  Simplify (+ (* -1/8 (/ 1 x)) (+ -1/2 (* 1 (/ 1 (/ 1 x))))) into (- x (+ (* 1/8 (/ 1 x)) 1/2))
1545729801.816 * [misc]backup-simplify:  Simplify (* (sqrt (+ (/ 1 (- x)) -1)) (sqrt (/ 1 (- x)))) into (* (sqrt (- (+ (/ 1 x) 1))) (sqrt (/ -1 x)))
1545729801.816 * [misc]approximate:  Taking taylor expansion of (* (sqrt (- (+ (/ 1 x) 1))) (sqrt (/ -1 x))) in (x) around 0
1545729801.816 * [misc]taylor:  Taking taylor expansion of (* (sqrt (- (+ (/ 1 x) 1))) (sqrt (/ -1 x))) in x
1545729801.816 * [misc]taylor:  Taking taylor expansion of (sqrt (- (+ (/ 1 x) 1))) in x
1545729801.816 * [misc]taylor:  Taking taylor expansion of (- (+ (/ 1 x) 1)) in x
1545729801.816 * [misc]taylor:  Taking taylor expansion of (+ (/ 1 x) 1) in x
1545729801.816 * [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
1545729801.816 * [misc]taylor:  Taking taylor expansion of x in x
1545729801.816 * [misc]backup-simplify:  Simplify 0 into 0
1545729801.816 * [misc]backup-simplify:  Simplify 1 into 1
1545729801.817 * [misc]backup-simplify:  Simplify (/ 1 1) into 1
1545729801.817 * [misc]taylor:  Taking taylor expansion of 1 in x
1545729801.817 * [misc]backup-simplify:  Simplify 1 into 1
1545729801.817 * [misc]backup-simplify:  Simplify (+ 1 0) into 1
1545729801.817 * [misc]backup-simplify:  Simplify (- 1) into -1
1545729801.817 * [misc]backup-simplify:  Simplify (sqrt 0) into 0
1545729801.817 * [misc]backup-simplify:  Simplify (- 1) into -1
1545729801.818 * [misc]backup-simplify:  Simplify (/ -1 (* 2 (sqrt 0))) into +nan.0
1545729801.818 * [misc]taylor:  Taking taylor expansion of (sqrt (/ -1 x)) in x
1545729801.818 * [misc]taylor:  Taking taylor expansion of (/ -1 x) in x
1545729801.818 * [misc]taylor:  Taking taylor expansion of -1 in x
1545729801.818 * [misc]backup-simplify:  Simplify -1 into -1
1545729801.818 * [misc]taylor:  Taking taylor expansion of x in x
1545729801.818 * [misc]backup-simplify:  Simplify 0 into 0
1545729801.818 * [misc]backup-simplify:  Simplify 1 into 1
1545729801.818 * [misc]backup-simplify:  Simplify (/ -1 1) into -1
1545729801.818 * [misc]backup-simplify:  Simplify (sqrt 0) into 0
1545729801.819 * [misc]backup-simplify:  Simplify (/ -1 (* 2 (sqrt 0))) into +nan.0
1545729801.819 * [misc]taylor:  Taking taylor expansion of (* (sqrt (- (+ (/ 1 x) 1))) (sqrt (/ -1 x))) in x
1545729801.819 * [misc]taylor:  Taking taylor expansion of (sqrt (- (+ (/ 1 x) 1))) in x
1545729801.819 * [misc]taylor:  Taking taylor expansion of (- (+ (/ 1 x) 1)) in x
1545729801.819 * [misc]taylor:  Taking taylor expansion of (+ (/ 1 x) 1) in x
1545729801.819 * [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
1545729801.819 * [misc]taylor:  Taking taylor expansion of x in x
1545729801.819 * [misc]backup-simplify:  Simplify 0 into 0
1545729801.819 * [misc]backup-simplify:  Simplify 1 into 1
1545729801.819 * [misc]backup-simplify:  Simplify (/ 1 1) into 1
1545729801.819 * [misc]taylor:  Taking taylor expansion of 1 in x
1545729801.819 * [misc]backup-simplify:  Simplify 1 into 1
1545729801.820 * [misc]backup-simplify:  Simplify (+ 1 0) into 1
1545729801.820 * [misc]backup-simplify:  Simplify (- 1) into -1
1545729801.820 * [misc]backup-simplify:  Simplify (sqrt 0) into 0
1545729801.820 * [misc]backup-simplify:  Simplify (- 1) into -1
1545729801.820 * [misc]backup-simplify:  Simplify (/ -1 (* 2 (sqrt 0))) into +nan.0
1545729801.820 * [misc]taylor:  Taking taylor expansion of (sqrt (/ -1 x)) in x
1545729801.821 * [misc]taylor:  Taking taylor expansion of (/ -1 x) in x
1545729801.821 * [misc]taylor:  Taking taylor expansion of -1 in x
1545729801.821 * [misc]backup-simplify:  Simplify -1 into -1
1545729801.821 * [misc]taylor:  Taking taylor expansion of x in x
1545729801.821 * [misc]backup-simplify:  Simplify 0 into 0
1545729801.821 * [misc]backup-simplify:  Simplify 1 into 1
1545729801.821 * [misc]backup-simplify:  Simplify (/ -1 1) into -1
1545729801.821 * [misc]backup-simplify:  Simplify (sqrt 0) into 0
1545729801.821 * [misc]backup-simplify:  Simplify (/ -1 (* 2 (sqrt 0))) into +nan.0
1545729801.822 * [misc]backup-simplify:  Simplify (* 0 0) into 0
1545729801.822 * [misc]backup-simplify:  Simplify 0 into 0
1545729801.822 * [misc]backup-simplify:  Simplify (+ (* 0 +nan.0) (* +nan.0 0)) into 0
1545729801.822 * [misc]backup-simplify:  Simplify 0 into 0
1545729801.822 * [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* -1 (/ 0 1)))) into 0
1545729801.823 * [misc]backup-simplify:  Simplify (/ (- 0 (pow +nan.0 2) (+)) (* 2 0)) into +nan.0
1545729801.824 * [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
1545729801.824 * [misc]backup-simplify:  Simplify (+ 0 1) into 1
1545729801.824 * [misc]backup-simplify:  Simplify (- 1) into -1
1545729801.826 * [misc]backup-simplify:  Simplify (/ (- -1 (pow +nan.0 2) (+)) (* 2 0)) into +nan.0
1545729801.826 * [misc]backup-simplify:  Simplify (+ (* 0 +nan.0) (+ (* +nan.0 +nan.0) (* +nan.0 0))) into (- +nan.0)
1545729801.827 * [misc]backup-simplify:  Simplify (- +nan.0) into (- +nan.0)
1545729801.827 * [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* -1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1545729801.828 * [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* +nan.0 +nan.0)))) (* 2 0)) into +nan.0
1545729801.829 * [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1545729801.829 * [misc]backup-simplify:  Simplify (+ 0 0) into 0
1545729801.829 * [misc]backup-simplify:  Simplify (- 0) into 0
1545729801.831 * [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* +nan.0 +nan.0)))) (* 2 0)) into +nan.0
1545729801.832 * [misc]backup-simplify:  Simplify (+ (* 0 +nan.0) (+ (* +nan.0 +nan.0) (+ (* +nan.0 +nan.0) (* +nan.0 0)))) into (- +nan.0)
1545729801.832 * [misc]backup-simplify:  Simplify (- +nan.0) into (- +nan.0)
1545729801.833 * [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* -1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1545729801.835 * [misc]backup-simplify:  Simplify (/ (- 0 (pow +nan.0 2) (+ (* 2 (* +nan.0 +nan.0)))) (* 2 0)) into +nan.0
1545729801.835 * [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1545729801.835 * [misc]backup-simplify:  Simplify (+ 0 0) into 0
1545729801.835 * [misc]backup-simplify:  Simplify (- 0) into 0
1545729801.837 * [misc]backup-simplify:  Simplify (/ (- 0 (pow +nan.0 2) (+ (* 2 (* +nan.0 +nan.0)))) (* 2 0)) into +nan.0
1545729801.839 * [misc]backup-simplify:  Simplify (+ (* 0 +nan.0) (+ (* +nan.0 +nan.0) (+ (* +nan.0 +nan.0) (+ (* +nan.0 +nan.0) (* +nan.0 0))))) into (- +nan.0)
1545729801.839 * [misc]backup-simplify:  Simplify (- +nan.0) into (- +nan.0)
1545729801.840 * [misc]backup-simplify:  Simplify (+ (* (- +nan.0) (pow (/ 1 (- x)) 2)) (+ (* (- +nan.0) (/ 1 (- x))) (- +nan.0))) into (- (+ (* +nan.0 (/ 1 (pow x 2))) (- (+ (* +nan.0 (/ 1 x)) (- +nan.0)))))
1545729801.840 * * * [misc]progress:  simplifying candidates
1545729801.840 * * * * [misc]progress:  [ 1 / 27 ] simplifiying candidate #<alt (λ (x) (pow (* (+ x -1) x) 1/2))>
1545729801.841 * [enter]simplify:  Simplifying (* (+ x -1) x)
1545729801.841 * * [misc]simplify:  iters left: 4 (4 enodes)
1545729801.842 * * [misc]simplify:  iters left: 3 (6 enodes)
1545729801.844 * * [misc]simplify:  iters left: 2 (13 enodes)
1545729801.846 * * [misc]simplify:  iters left: 1 (14 enodes)
1545729801.848 * [exit]simplify:  Simplified to (- (* x x) x)
1545729801.848 * [misc]simplify:  Simplified (2 1) to (λ (x) (pow (- (* x x) x) 1/2))
1545729801.848 * * * * [misc]progress:  [ 2 / 27 ] simplifiying candidate #<alt (λ (x) (pow (* (sqrt (+ x -1)) (sqrt x)) 1))>
1545729801.848 * [enter]simplify:  Simplifying (* (sqrt (+ x -1)) (sqrt x))
1545729801.848 * * [misc]simplify:  iters left: 5 (6 enodes)
1545729801.849 * * [misc]simplify:  iters left: 4 (8 enodes)
1545729801.850 * [exit]simplify:  Simplified to (* (sqrt (+ -1 x)) (sqrt x))
1545729801.850 * [misc]simplify:  Simplified (2 1) to (λ (x) (pow (* (sqrt (+ -1 x)) (sqrt x)) 1))
1545729801.850 * * * * [misc]progress:  [ 3 / 27 ] simplifiying candidate #<alt (λ (x) (pow (* (sqrt (+ x -1)) (sqrt x)) 1))>
1545729801.850 * * * * [misc]progress:  [ 4 / 27 ] simplifiying candidate #<alt (λ (x) (exp (+ (log (sqrt (+ x -1))) (log (sqrt x)))))>
1545729801.850 * [enter]simplify:  Simplifying (+ (log (sqrt (+ x -1))) (log (sqrt x)))
1545729801.851 * * [misc]simplify:  iters left: 6 (8 enodes)
1545729801.852 * * [misc]simplify:  iters left: 5 (10 enodes)
1545729801.853 * [exit]simplify:  Simplified to (+ (log (sqrt x)) (log (sqrt (+ -1 x))))
1545729801.853 * [misc]simplify:  Simplified (2 1) to (λ (x) (exp (+ (log (sqrt x)) (log (sqrt (+ -1 x))))))
1545729801.853 * * * * [misc]progress:  [ 5 / 27 ] simplifiying candidate #<alt (λ (x) (exp (log (* (sqrt (+ x -1)) (sqrt x)))))>
1545729801.853 * * * * [misc]progress:  [ 6 / 27 ] simplifiying candidate #<alt (λ (x) (log (exp (* (sqrt (+ x -1)) (sqrt x)))))>
1545729801.853 * * * * [misc]progress:  [ 7 / 27 ] simplifiying candidate #<alt (λ (x) (cbrt (* (* (* (sqrt (+ x -1)) (sqrt (+ x -1))) (sqrt (+ x -1))) (* (* (sqrt x) (sqrt x)) (sqrt x)))))>
1545729801.853 * [enter]simplify:  Simplifying (* (* (* (sqrt (+ x -1)) (sqrt (+ x -1))) (sqrt (+ x -1))) (* (* (sqrt x) (sqrt x)) (sqrt x)))
1545729801.853 * * [misc]simplify:  iters left: 6 (10 enodes)
1545729801.855 * * [misc]simplify:  iters left: 5 (18 enodes)
1545729801.858 * * [misc]simplify:  iters left: 4 (52 enodes)
1545729801.872 * * [misc]simplify:  iters left: 3 (156 enodes)
1545729802.281 * * [misc]simplify:  iters left: 2 (384 enodes)
1545729802.414 * [exit]simplify:  Simplified to (* (+ -1 x) (* (* x (sqrt x)) (sqrt (+ -1 x))))
1545729802.414 * [misc]simplify:  Simplified (2 1) to (λ (x) (cbrt (* (+ -1 x) (* (* x (sqrt x)) (sqrt (+ -1 x))))))
1545729802.414 * * * * [misc]progress:  [ 8 / 27 ] simplifiying candidate #<alt (λ (x) (* (* (cbrt (* (sqrt (+ x -1)) (sqrt x))) (cbrt (* (sqrt (+ x -1)) (sqrt x)))) (cbrt (* (sqrt (+ x -1)) (sqrt x)))))>
1545729802.414 * * * * [misc]progress:  [ 9 / 27 ] simplifiying candidate #<alt (λ (x) (cbrt (* (* (* (sqrt (+ x -1)) (sqrt x)) (* (sqrt (+ x -1)) (sqrt x))) (* (sqrt (+ x -1)) (sqrt x)))))>
1545729802.414 * * * * [misc]progress:  [ 10 / 27 ] simplifiying candidate #<alt (λ (x) (sqrt (* (+ x -1) x)))>
1545729802.414 * [enter]simplify:  Simplifying (* (+ x -1) x)
1545729802.414 * * [misc]simplify:  iters left: 4 (4 enodes)
1545729802.415 * * [misc]simplify:  iters left: 3 (6 enodes)
1545729802.417 * * [misc]simplify:  iters left: 2 (13 enodes)
1545729802.420 * * [misc]simplify:  iters left: 1 (14 enodes)
1545729802.423 * [exit]simplify:  Simplified to (- (* x x) x)
1545729802.423 * [misc]simplify:  Simplified (2 1) to (λ (x) (sqrt (- (* x x) x)))
1545729802.423 * * * * [misc]progress:  [ 11 / 27 ] simplifiying candidate #<alt (λ (x) (* (sqrt (* (sqrt (+ x -1)) (sqrt x))) (sqrt (* (sqrt (+ x -1)) (sqrt x)))))>
1545729802.423 * * * * [misc]progress:  [ 12 / 27 ] simplifiying candidate #<alt (λ (x) (* 1 (* (sqrt (+ x -1)) (sqrt x))))>
1545729802.423 * * * * [misc]progress:  [ 13 / 27 ] simplifiying candidate #<alt (λ (x) (* (* (sqrt (+ x -1)) (* (cbrt (sqrt x)) (cbrt (sqrt x)))) (cbrt (sqrt x))))>
1545729802.423 * [enter]simplify:  Simplifying (cbrt (sqrt x))
1545729802.423 * * [misc]simplify:  iters left: 2 (3 enodes)
1545729802.424 * [exit]simplify:  Simplified to (cbrt (sqrt x))
1545729802.424 * [misc]simplify:  Simplified (2 2) to (λ (x) (* (* (sqrt (+ x -1)) (* (cbrt (sqrt x)) (cbrt (sqrt x)))) (cbrt (sqrt x))))
1545729802.424 * * * * [misc]progress:  [ 14 / 27 ] simplifiying candidate #<alt (λ (x) (* (* (sqrt (+ x -1)) (sqrt (sqrt x))) (sqrt (sqrt x))))>
1545729802.424 * [enter]simplify:  Simplifying (sqrt (sqrt x))
1545729802.424 * * [misc]simplify:  iters left: 2 (3 enodes)
1545729802.425 * [exit]simplify:  Simplified to (sqrt (sqrt x))
1545729802.425 * [misc]simplify:  Simplified (2 2) to (λ (x) (* (* (sqrt (+ x -1)) (sqrt (sqrt x))) (sqrt (sqrt x))))
1545729802.425 * * * * [misc]progress:  [ 15 / 27 ] simplifiying candidate #<alt (λ (x) (* (* (sqrt (+ x -1)) 1) (sqrt x)))>
1545729802.425 * [enter]simplify:  Simplifying (sqrt x)
1545729802.426 * * [misc]simplify:  iters left: 1 (2 enodes)
1545729802.426 * [exit]simplify:  Simplified to (sqrt x)
1545729802.426 * [misc]simplify:  Simplified (2 2) to (λ (x) (* (* (sqrt (+ x -1)) 1) (sqrt x)))
1545729802.426 * * * * [misc]progress:  [ 16 / 27 ] simplifiying candidate #<alt (λ (x) (* (* (cbrt (sqrt (+ x -1))) (cbrt (sqrt (+ x -1)))) (* (cbrt (sqrt (+ x -1))) (sqrt x))))>
1545729802.426 * [enter]simplify:  Simplifying (* (cbrt (sqrt (+ x -1))) (cbrt (sqrt (+ x -1))))
1545729802.426 * * [misc]simplify:  iters left: 6 (6 enodes)
1545729802.428 * * [misc]simplify:  iters left: 5 (7 enodes)
1545729802.430 * [exit]simplify:  Simplified to (* (cbrt (sqrt (+ -1 x))) (cbrt (sqrt (+ -1 x))))
1545729802.430 * [misc]simplify:  Simplified (2 1) to (λ (x) (* (* (cbrt (sqrt (+ -1 x))) (cbrt (sqrt (+ -1 x)))) (* (cbrt (sqrt (+ x -1))) (sqrt x))))
1545729802.430 * * * * [misc]progress:  [ 17 / 27 ] simplifiying candidate #<alt (λ (x) (* (sqrt (* (cbrt (+ x -1)) (cbrt (+ x -1)))) (* (sqrt (cbrt (+ x -1))) (sqrt x))))>
1545729802.430 * [enter]simplify:  Simplifying (sqrt (* (cbrt (+ x -1)) (cbrt (+ x -1))))
1545729802.430 * * [misc]simplify:  iters left: 6 (6 enodes)
1545729802.432 * * [misc]simplify:  iters left: 5 (8 enodes)
1545729802.433 * [exit]simplify:  Simplified to (fabs (cbrt (+ -1 x)))
1545729802.433 * [misc]simplify:  Simplified (2 1) to (λ (x) (* (fabs (cbrt (+ -1 x))) (* (sqrt (cbrt (+ x -1))) (sqrt x))))
1545729802.433 * * * * [misc]progress:  [ 18 / 27 ] simplifiying candidate #<alt (λ (x) (* (sqrt (sqrt (+ x -1))) (* (sqrt (sqrt (+ x -1))) (sqrt x))))>
1545729802.434 * [enter]simplify:  Simplifying (sqrt (sqrt (+ x -1)))
1545729802.434 * * [misc]simplify:  iters left: 4 (5 enodes)
1545729802.435 * * [misc]simplify:  iters left: 3 (6 enodes)
1545729802.436 * [exit]simplify:  Simplified to (sqrt (sqrt (+ -1 x)))
1545729802.436 * [misc]simplify:  Simplified (2 1) to (λ (x) (* (sqrt (sqrt (+ -1 x))) (* (sqrt (sqrt (+ x -1))) (sqrt x))))
1545729802.436 * * * * [misc]progress:  [ 19 / 27 ] simplifiying candidate #<alt (λ (x) (* (sqrt 1) (* (sqrt (+ x -1)) (sqrt x))))>
1545729802.437 * [enter]simplify:  Simplifying (sqrt 1)
1545729802.437 * * [misc]simplify:  iters left: 1 (2 enodes)
1545729802.438 * [exit]simplify:  Simplified to 1
1545729802.438 * [misc]simplify:  Simplified (2 1) to (λ (x) (* 1 (* (sqrt (+ x -1)) (sqrt x))))
1545729802.438 * * * * [misc]progress:  [ 20 / 27 ] simplifiying candidate #<alt (λ (x) (* (sqrt (sqrt (+ x -1))) (* (sqrt (sqrt (+ x -1))) (sqrt x))))>
1545729802.438 * [enter]simplify:  Simplifying (sqrt (sqrt (+ x -1)))
1545729802.438 * * [misc]simplify:  iters left: 4 (5 enodes)
1545729802.439 * * [misc]simplify:  iters left: 3 (6 enodes)
1545729802.441 * [exit]simplify:  Simplified to (sqrt (sqrt (+ -1 x)))
1545729802.441 * [misc]simplify:  Simplified (2 1) to (λ (x) (* (sqrt (sqrt (+ -1 x))) (* (sqrt (sqrt (+ x -1))) (sqrt x))))
1545729802.441 * * * * [misc]progress:  [ 21 / 27 ] simplifiying candidate #<alt (λ (x) (* 1 (* (sqrt (+ x -1)) (sqrt x))))>
1545729802.441 * * * * [misc]progress:  [ 22 / 27 ] simplifiying candidate #<alt (λ (x) (/ (* (sqrt (+ (pow x 3) (pow -1 3))) (sqrt x)) (sqrt (+ (* x x) (- (* -1 -1) (* x -1))))))>
1545729802.441 * [enter]simplify:  Simplifying (* (sqrt (+ (pow x 3) (pow -1 3))) (sqrt x))
1545729802.441 * * [misc]simplify:  iters left: 6 (9 enodes)
1545729802.446 * * [misc]simplify:  iters left: 5 (18 enodes)
1545729802.450 * * [misc]simplify:  iters left: 4 (20 enodes)
1545729802.454 * [exit]simplify:  Simplified to (* (sqrt x) (sqrt (+ (pow x 3) -1)))
1545729802.454 * [misc]simplify:  Simplified (2 1) to (λ (x) (/ (* (sqrt x) (sqrt (+ (pow x 3) -1))) (sqrt (+ (* x x) (- (* -1 -1) (* x -1))))))
1545729802.455 * * * * [misc]progress:  [ 23 / 27 ] simplifiying candidate #<alt (λ (x) (/ (* (sqrt (- (* x x) (* -1 -1))) (sqrt x)) (sqrt (- x -1))))>
1545729802.455 * [enter]simplify:  Simplifying (* (sqrt (- (* x x) (* -1 -1))) (sqrt x))
1545729802.455 * * [misc]simplify:  iters left: 6 (8 enodes)
1545729802.459 * * [misc]simplify:  iters left: 5 (16 enodes)
1545729802.464 * * [misc]simplify:  iters left: 4 (25 enodes)
1545729802.467 * * [misc]simplify:  iters left: 3 (40 enodes)
1545729802.476 * * [misc]simplify:  iters left: 2 (64 enodes)
1545729802.490 * * [misc]simplify:  iters left: 1 (112 enodes)
1545729802.543 * [exit]simplify:  Simplified to (* (sqrt (- (* x x) 1)) (sqrt x))
1545729802.543 * [misc]simplify:  Simplified (2 1) to (λ (x) (/ (* (sqrt (- (* x x) 1)) (sqrt x)) (sqrt (- x -1))))
1545729802.543 * * * * [misc]progress:  [ 24 / 27 ] simplifiying candidate #<alt (λ (x) (* (sqrt x) (sqrt (+ x -1))))>
1545729802.543 * * * * [misc]progress:  [ 25 / 27 ] simplifiying candidate #<alt (λ (x) (- (+ (* +nan.0 x) (- (+ (* +nan.0 (pow x 3)) (- (* +nan.0 (pow x 2))))))))>
1545729802.543 * [enter]simplify:  Simplifying (- (+ (* +nan.0 x) (- (+ (* +nan.0 (pow x 3)) (- (* +nan.0 (pow x 2)))))))
1545729802.543 * [misc]simplify:  Simplified (2) to (λ (x) +nan.0)
1545729802.543 * * * * [misc]progress:  [ 26 / 27 ] simplifiying candidate #<alt (λ (x) (- x (+ (* 1/8 (/ 1 x)) 1/2)))>
1545729802.543 * [enter]simplify:  Simplifying (- x (+ (* 1/8 (/ 1 x)) 1/2))
1545729802.543 * * [misc]simplify:  iters left: 6 (8 enodes)
1545729802.546 * * [misc]simplify:  iters left: 5 (18 enodes)
1545729802.549 * * [misc]simplify:  iters left: 4 (29 enodes)
1545729802.555 * * [misc]simplify:  iters left: 3 (55 enodes)
1545729802.565 * * [misc]simplify:  iters left: 2 (77 enodes)
1545729802.576 * * [misc]simplify:  iters left: 1 (98 enodes)
1545729802.598 * [exit]simplify:  Simplified to (+ (/ -1/8 x) (+ x -1/2))
1545729802.598 * [misc]simplify:  Simplified (2) to (λ (x) (+ (/ -1/8 x) (+ x -1/2)))
1545729802.598 * * * * [misc]progress:  [ 27 / 27 ] simplifiying candidate #<alt (λ (x) (- (+ (* +nan.0 (/ 1 (pow x 2))) (- (+ (* +nan.0 (/ 1 x)) (- +nan.0))))))>
1545729802.598 * [enter]simplify:  Simplifying (- (+ (* +nan.0 (/ 1 (pow x 2))) (- (+ (* +nan.0 (/ 1 x)) (- +nan.0)))))
1545729802.598 * [misc]simplify:  Simplified (2) to (λ (x) +nan.0)
1545729802.599 * * * [misc]progress:  adding candidates to table
1545729802.846 * * [misc]progress:  iteration 2 / 4
1545729802.846 * * * [misc]progress:  picking best candidate
1545729802.850 * * * * [misc]pick:  Picked  #<alt (λ (x) (+ (/ -1/8 x) (+ x -1/2)))>
1545729802.850 * * * [misc]progress:  localizing error
1545729802.861 * * * [misc]progress:  generating rewritten candidates
1545729802.861 * * * [misc]progress:  generating series expansions
1545729802.861 * * * [misc]progress:  simplifying candidates
1545729802.861 * * * [misc]progress:  adding candidates to table
1545729802.861 * [misc]progress:  [Phase 3 of 3] Extracting.
1545729802.861 * * [misc]regime:  Finding splitpoints for: (#<alt (λ (x) (+ (/ -1/8 x) (+ x -1/2)))> #<alt (λ (x) (* (sqrt (+ x -1)) (sqrt x)))>)
1545729802.862 * * * [misc]regime-changes:  Trying 1 branch expressions: (x)
1545729802.862 * * * * [misc]regimes:  Trying to branch on x from (#<alt (λ (x) (+ (/ -1/8 x) (+ x -1/2)))> #<alt (λ (x) (* (sqrt (+ x -1)) (sqrt x)))>)
1545729802.880 * * * [misc]regime:  Found split indices: #<option (#s(si 1 256))>
1545729802.881 * [enter]simplify:  Simplifying (* (sqrt (+ x -1)) (sqrt x))
1545729802.881 * * [misc]simplify:  iters left: 5 (6 enodes)
1545729802.881 * * [misc]simplify:  iters left: 4 (8 enodes)
1545729802.882 * [exit]simplify:  Simplified to (* (sqrt (+ -1 x)) (sqrt x))
1545729802.882 * * * * [misc]points:  Sampling 8000 additional inputs, on iter 0 have 0 / 8000
1545729803.860 * * * * [misc]points:  Filtering points with unrepresentable outputs
1545729803.861 * * * * [misc]points:  Sampling 6063 additional inputs, on iter 1 have 1937 / 8000
1545729804.591 * * * * [misc]points:  Filtering points with unrepresentable outputs
1545729804.592 * * * * [misc]points:  Sampling 4517 additional inputs, on iter 2 have 3483 / 8000
1545729805.563 * * * * [misc]points:  Filtering points with unrepresentable outputs
1545729805.564 * * * * [misc]points:  Sampling 3406 additional inputs, on iter 3 have 4594 / 8000
1545729806.012 * * * * [misc]points:  Filtering points with unrepresentable outputs
1545729806.013 * * * * [misc]points:  Sampling 2518 additional inputs, on iter 4 have 5482 / 8000
1545729806.330 * * * * [misc]points:  Filtering points with unrepresentable outputs
1545729806.331 * * * * [misc]points:  Sampling 1886 additional inputs, on iter 5 have 6114 / 8000
1545729806.605 * * * * [misc]points:  Filtering points with unrepresentable outputs
1545729806.605 * * * * [misc]points:  Sampling 1431 additional inputs, on iter 6 have 6569 / 8000
1545729806.793 * * * * [misc]points:  Filtering points with unrepresentable outputs
1545729806.793 * * * * [misc]points:  Sampling 1073 additional inputs, on iter 7 have 6927 / 8000
1545729806.913 * * * * [misc]points:  Filtering points with unrepresentable outputs
1545729806.914 * * * * [misc]points:  Sampling 802 additional inputs, on iter 8 have 7198 / 8000
1545729806.987 * * * * [misc]points:  Filtering points with unrepresentable outputs
1545729806.987 * * * * [misc]points:  Sampling 600 additional inputs, on iter 9 have 7400 / 8000
1545729807.110 * * * * [misc]points:  Filtering points with unrepresentable outputs
1545729807.110 * * * * [misc]points:  Sampling 456 additional inputs, on iter 10 have 7544 / 8000
1545729807.168 * * * * [misc]points:  Filtering points with unrepresentable outputs
1545729807.168 * * * * [misc]points:  Sampling 329 additional inputs, on iter 11 have 7671 / 8000
1545729807.196 * * * * [misc]points:  Filtering points with unrepresentable outputs
1545729807.196 * * * * [misc]points:  Sampling 252 additional inputs, on iter 12 have 7748 / 8000
1545729807.214 * * * * [misc]points:  Filtering points with unrepresentable outputs
1545729807.215 * * * * [misc]points:  Sampling 185 additional inputs, on iter 13 have 7815 / 8000
1545729807.608 * * * * [misc]points:  Filtering points with unrepresentable outputs
1545729807.608 * * * * [misc]points:  Sampling 146 additional inputs, on iter 14 have 7854 / 8000
1545729807.629 * * * * [misc]points:  Filtering points with unrepresentable outputs
1545729807.629 * * * * [misc]points:  Sampling 112 additional inputs, on iter 15 have 7888 / 8000
1545729807.640 * * * * [misc]points:  Filtering points with unrepresentable outputs
1545729807.641 * * * * [misc]points:  Sampling 84 additional inputs, on iter 16 have 7916 / 8000
1545729807.647 * * * * [misc]points:  Filtering points with unrepresentable outputs
1545729807.647 * * * * [misc]points:  Sampling 68 additional inputs, on iter 17 have 7932 / 8000
1545729807.652 * * * * [misc]points:  Filtering points with unrepresentable outputs
1545729807.653 * * * * [misc]points:  Sampling 58 additional inputs, on iter 18 have 7942 / 8000
1545729807.657 * * * * [misc]points:  Filtering points with unrepresentable outputs
1545729807.657 * * * * [misc]points:  Sampling 39 additional inputs, on iter 19 have 7961 / 8000
1545729807.661 * * * * [misc]points:  Filtering points with unrepresentable outputs
1545729807.661 * * * * [misc]points:  Sampling 31 additional inputs, on iter 20 have 7969 / 8000
1545729807.664 * * * * [misc]points:  Filtering points with unrepresentable outputs
1545729807.664 * * * * [misc]points:  Sampling 26 additional inputs, on iter 21 have 7974 / 8000
1545729807.667 * * * * [misc]points:  Filtering points with unrepresentable outputs
1545729807.667 * * * * [misc]points:  Sampling 21 additional inputs, on iter 22 have 7979 / 8000
1545729807.669 * * * * [misc]points:  Filtering points with unrepresentable outputs
1545729807.669 * * * * [misc]points:  Sampling 15 additional inputs, on iter 23 have 7985 / 8000
1545729807.671 * * * * [misc]points:  Filtering points with unrepresentable outputs
1545729807.671 * * * * [misc]points:  Sampling 9 additional inputs, on iter 24 have 7991 / 8000
1545729807.673 * * * * [misc]points:  Filtering points with unrepresentable outputs
1545729807.673 * * * * [misc]points:  Sampling 5 additional inputs, on iter 25 have 7995 / 8000
1545729807.674 * * * * [misc]points:  Filtering points with unrepresentable outputs
1545729807.674 * * * * [misc]points:  Sampling 4 additional inputs, on iter 26 have 7998 / 8000
1545729807.675 * * * * [misc]points:  Filtering points with unrepresentable outputs
1545729807.675 * * * * [misc]points:  Sampling 4 additional inputs, on iter 27 have 7999 / 8000
1545729807.676 * * * * [misc]points:  Filtering points with unrepresentable outputs
1545729807.676 * * * * [exit]points:  Sampled 8000 points with exact outputs
1545729807.993 * [misc]regime-testing:  Baseline error score: 0.49107312031259015
1545729807.994 * [misc]regime-testing:  Oracle error score: 0.007198120312590145