17.697 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.009 * * * [progress]: [2/2] Setting up program.
0.011 * [progress]: [Phase 2 of 3] Improving.
0.011 * [simplify]: Simplifying:
  (/ (+ x 1.0) (- 1.0 x))
0.011 * * [simplify]: Extracting # 0 : cost  0
0.011 * * [simplify]: Extracting # 1 : cost  0
0.011 * * [simplify]: Extracting # 2 : cost  0
0.011 * * [simplify]: Extracting # 3 : cost  0
0.011 * * [simplify]: Extracting # 4 : cost  0
0.011 * * [simplify]: iteration  0 :  5  enodes  (cost  7 )
0.012 * * [simplify]: Extracting # 0 : cost  0
0.012 * * [simplify]: Extracting # 1 : cost  0
0.012 * * [simplify]: Extracting # 2 : cost  0
0.012 * * [simplify]: iteration  1 :  8  enodes  (cost  7 )
0.013 * * [simplify]: Extracting # 0 : cost  0
0.013 * * [simplify]: iteration  2 :  9  enodes  (cost  7 )
0.015 * * [simplify]: Extracting # 0 : cost  0
0.015 * * [simplify]: iteration done:  9  enodes  (cost  7 )
0.015 * [simplify]: Simplified to:
  (/ (+ x 1.0) (- 1.0 x))
0.015 * * [progress]: iteration 1 / 4
0.015 * * * [progress]: picking best candidate
0.016 * * * * [pick]: Picked  #<alt (λ (x) (/ (+ x 1.0) (- 1.0 x)))>
0.016 * * * [progress]: localizing error
0.020 * * * [progress]: generating rewritten candidates
0.020 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.049 * * * [progress]: generating series expansions
0.049 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.049 * [backup-simplify]: Simplify (/ (+ x 1.0) (- 1.0 x)) into (/ (+ x 1.0) (- 1.0 x))
0.049 * [approximate]: Taking taylor expansion of (/ (+ x 1.0) (- 1.0 x)) in (x) around 0
0.049 * [taylor]: Taking taylor expansion of (/ (+ x 1.0) (- 1.0 x)) in x
0.049 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
0.049 * [taylor]: Taking taylor expansion of x in x
0.049 * [backup-simplify]: Simplify 0 into 0
0.049 * [backup-simplify]: Simplify 1 into 1
0.049 * [taylor]: Taking taylor expansion of 1.0 in x
0.049 * [backup-simplify]: Simplify 1.0 into 1.0
0.049 * [taylor]: Taking taylor expansion of (- 1.0 x) in x
0.049 * [taylor]: Taking taylor expansion of 1.0 in x
0.049 * [backup-simplify]: Simplify 1.0 into 1.0
0.049 * [taylor]: Taking taylor expansion of x in x
0.049 * [backup-simplify]: Simplify 0 into 0
0.049 * [backup-simplify]: Simplify 1 into 1
0.050 * [backup-simplify]: Simplify (+ 0 1.0) into 1.0
0.050 * [backup-simplify]: Simplify (- 0) into 0
0.050 * [backup-simplify]: Simplify (+ 1.0 0) into 1.0
0.051 * [backup-simplify]: Simplify (/ 1.0 1.0) into 1.0
0.051 * [taylor]: Taking taylor expansion of (/ (+ x 1.0) (- 1.0 x)) in x
0.051 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
0.051 * [taylor]: Taking taylor expansion of x in x
0.051 * [backup-simplify]: Simplify 0 into 0
0.051 * [backup-simplify]: Simplify 1 into 1
0.051 * [taylor]: Taking taylor expansion of 1.0 in x
0.051 * [backup-simplify]: Simplify 1.0 into 1.0
0.051 * [taylor]: Taking taylor expansion of (- 1.0 x) in x
0.051 * [taylor]: Taking taylor expansion of 1.0 in x
0.051 * [backup-simplify]: Simplify 1.0 into 1.0
0.051 * [taylor]: Taking taylor expansion of x in x
0.051 * [backup-simplify]: Simplify 0 into 0
0.051 * [backup-simplify]: Simplify 1 into 1
0.051 * [backup-simplify]: Simplify (+ 0 1.0) into 1.0
0.051 * [backup-simplify]: Simplify (- 0) into 0
0.052 * [backup-simplify]: Simplify (+ 1.0 0) into 1.0
0.052 * [backup-simplify]: Simplify (/ 1.0 1.0) into 1.0
0.052 * [backup-simplify]: Simplify 1.0 into 1.0
0.052 * [backup-simplify]: Simplify (+ 1 0) into 1
0.052 * [backup-simplify]: Simplify (- 1) into -1
0.053 * [backup-simplify]: Simplify (+ 0 -1) into -1
0.054 * [backup-simplify]: Simplify (- (/ 1 1.0) (+ (* 1.0 (/ -1 1.0)))) into 2.0
0.054 * [backup-simplify]: Simplify 2.0 into 2.0
0.054 * [backup-simplify]: Simplify (+ 0 0) into 0
0.055 * [backup-simplify]: Simplify (- 0) into 0
0.055 * [backup-simplify]: Simplify (+ 0 0) into 0
0.057 * [backup-simplify]: Simplify (- (/ 0 1.0) (+ (* 1.0 (/ 0 1.0)) (* 2.0 (/ -1 1.0)))) into 2.0
0.057 * [backup-simplify]: Simplify 2.0 into 2.0
0.057 * [backup-simplify]: Simplify (+ (* 2.0 (pow x 2)) (+ (* 2.0 x) 1.0)) into (+ (* 2.0 (pow x 2)) (+ (* 2.0 x) 1.0))
0.057 * [backup-simplify]: Simplify (/ (+ (/ 1 x) 1.0) (- 1.0 (/ 1 x))) into (/ (+ 1.0 (/ 1 x)) (- 1.0 (/ 1 x)))
0.058 * [approximate]: Taking taylor expansion of (/ (+ 1.0 (/ 1 x)) (- 1.0 (/ 1 x))) in (x) around 0
0.058 * [taylor]: Taking taylor expansion of (/ (+ 1.0 (/ 1 x)) (- 1.0 (/ 1 x))) in x
0.058 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
0.058 * [taylor]: Taking taylor expansion of 1.0 in x
0.058 * [backup-simplify]: Simplify 1.0 into 1.0
0.058 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.058 * [taylor]: Taking taylor expansion of x in x
0.058 * [backup-simplify]: Simplify 0 into 0
0.058 * [backup-simplify]: Simplify 1 into 1
0.058 * [backup-simplify]: Simplify (/ 1 1) into 1
0.058 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
0.058 * [taylor]: Taking taylor expansion of 1.0 in x
0.058 * [backup-simplify]: Simplify 1.0 into 1.0
0.058 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.058 * [taylor]: Taking taylor expansion of x in x
0.058 * [backup-simplify]: Simplify 0 into 0
0.058 * [backup-simplify]: Simplify 1 into 1
0.058 * [backup-simplify]: Simplify (/ 1 1) into 1
0.058 * [backup-simplify]: Simplify (+ 0 1) into 1
0.059 * [backup-simplify]: Simplify (- 1) into -1
0.059 * [backup-simplify]: Simplify (+ 0 -1) into -1
0.059 * [backup-simplify]: Simplify (/ 1 -1) into -1
0.059 * [taylor]: Taking taylor expansion of (/ (+ 1.0 (/ 1 x)) (- 1.0 (/ 1 x))) in x
0.059 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
0.059 * [taylor]: Taking taylor expansion of 1.0 in x
0.059 * [backup-simplify]: Simplify 1.0 into 1.0
0.059 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.059 * [taylor]: Taking taylor expansion of x in x
0.059 * [backup-simplify]: Simplify 0 into 0
0.059 * [backup-simplify]: Simplify 1 into 1
0.060 * [backup-simplify]: Simplify (/ 1 1) into 1
0.060 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
0.060 * [taylor]: Taking taylor expansion of 1.0 in x
0.060 * [backup-simplify]: Simplify 1.0 into 1.0
0.060 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.060 * [taylor]: Taking taylor expansion of x in x
0.060 * [backup-simplify]: Simplify 0 into 0
0.060 * [backup-simplify]: Simplify 1 into 1
0.060 * [backup-simplify]: Simplify (/ 1 1) into 1
0.060 * [backup-simplify]: Simplify (+ 0 1) into 1
0.060 * [backup-simplify]: Simplify (- 1) into -1
0.061 * [backup-simplify]: Simplify (+ 0 -1) into -1
0.061 * [backup-simplify]: Simplify (/ 1 -1) into -1
0.061 * [backup-simplify]: Simplify -1 into -1
0.061 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.062 * [backup-simplify]: Simplify (+ 1.0 0) into 1.0
0.062 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.062 * [backup-simplify]: Simplify (- 0) into 0
0.063 * [backup-simplify]: Simplify (+ 1.0 0) into 1.0
0.064 * [backup-simplify]: Simplify (- (/ 1.0 -1) (+ (* -1 (/ 1.0 -1)))) into (- 2.0)
0.064 * [backup-simplify]: Simplify (- 2.0) into (- 2.0)
0.065 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.065 * [backup-simplify]: Simplify (+ 0 0) into 0
0.066 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.066 * [backup-simplify]: Simplify (- 0) into 0
0.066 * [backup-simplify]: Simplify (+ 0 0) into 0
0.069 * [backup-simplify]: Simplify (- (/ 0 -1) (+ (* -1 (/ 0 -1)) (* (- 2.0) (/ 1.0 -1)))) into (- 2.0)
0.069 * [backup-simplify]: Simplify (- 2.0) into (- 2.0)
0.070 * [backup-simplify]: Simplify (+ (* (- 2.0) (pow (/ 1 x) 2)) (+ (* (- 2.0) (/ 1 x)) -1)) into (- (+ (* 2.0 (/ 1 (pow x 2))) (+ (* 2.0 (/ 1 x)) 1)))
0.070 * [backup-simplify]: Simplify (/ (+ (/ 1 (- x)) 1.0) (- 1.0 (/ 1 (- x)))) into (/ (- 1.0 (/ 1 x)) (+ (/ 1 x) 1.0))
0.070 * [approximate]: Taking taylor expansion of (/ (- 1.0 (/ 1 x)) (+ (/ 1 x) 1.0)) in (x) around 0
0.070 * [taylor]: Taking taylor expansion of (/ (- 1.0 (/ 1 x)) (+ (/ 1 x) 1.0)) in x
0.070 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
0.070 * [taylor]: Taking taylor expansion of 1.0 in x
0.070 * [backup-simplify]: Simplify 1.0 into 1.0
0.070 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.070 * [taylor]: Taking taylor expansion of x in x
0.070 * [backup-simplify]: Simplify 0 into 0
0.070 * [backup-simplify]: Simplify 1 into 1
0.070 * [backup-simplify]: Simplify (/ 1 1) into 1
0.070 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
0.070 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.070 * [taylor]: Taking taylor expansion of x in x
0.070 * [backup-simplify]: Simplify 0 into 0
0.070 * [backup-simplify]: Simplify 1 into 1
0.071 * [backup-simplify]: Simplify (/ 1 1) into 1
0.071 * [taylor]: Taking taylor expansion of 1.0 in x
0.071 * [backup-simplify]: Simplify 1.0 into 1.0
0.071 * [backup-simplify]: Simplify (- 1) into -1
0.071 * [backup-simplify]: Simplify (+ 0 -1) into -1
0.071 * [backup-simplify]: Simplify (+ 1 0) into 1
0.072 * [backup-simplify]: Simplify (/ -1 1) into -1
0.072 * [taylor]: Taking taylor expansion of (/ (- 1.0 (/ 1 x)) (+ (/ 1 x) 1.0)) in x
0.072 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
0.072 * [taylor]: Taking taylor expansion of 1.0 in x
0.072 * [backup-simplify]: Simplify 1.0 into 1.0
0.072 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.072 * [taylor]: Taking taylor expansion of x in x
0.072 * [backup-simplify]: Simplify 0 into 0
0.072 * [backup-simplify]: Simplify 1 into 1
0.072 * [backup-simplify]: Simplify (/ 1 1) into 1
0.072 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
0.072 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.072 * [taylor]: Taking taylor expansion of x in x
0.072 * [backup-simplify]: Simplify 0 into 0
0.072 * [backup-simplify]: Simplify 1 into 1
0.072 * [backup-simplify]: Simplify (/ 1 1) into 1
0.072 * [taylor]: Taking taylor expansion of 1.0 in x
0.072 * [backup-simplify]: Simplify 1.0 into 1.0
0.073 * [backup-simplify]: Simplify (- 1) into -1
0.073 * [backup-simplify]: Simplify (+ 0 -1) into -1
0.073 * [backup-simplify]: Simplify (+ 1 0) into 1
0.073 * [backup-simplify]: Simplify (/ -1 1) into -1
0.073 * [backup-simplify]: Simplify -1 into -1
0.074 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.074 * [backup-simplify]: Simplify (- 0) into 0
0.074 * [backup-simplify]: Simplify (+ 1.0 0) into 1.0
0.075 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.075 * [backup-simplify]: Simplify (+ 0 1.0) into 1.0
0.077 * [backup-simplify]: Simplify (- (/ 1.0 1) (+ (* -1 (/ 1.0 1)))) into 2.0
0.077 * [backup-simplify]: Simplify 2.0 into 2.0
0.077 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.077 * [backup-simplify]: Simplify (- 0) into 0
0.078 * [backup-simplify]: Simplify (+ 0 0) into 0
0.078 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.078 * [backup-simplify]: Simplify (+ 0 0) into 0
0.081 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -1 (/ 0 1)) (* 2.0 (/ 1.0 1)))) into (- 2.0)
0.081 * [backup-simplify]: Simplify (- 2.0) into (- 2.0)
0.082 * [backup-simplify]: Simplify (+ (* (- 2.0) (pow (/ 1 (- x)) 2)) (+ (* 2.0 (/ 1 (- x))) -1)) into (- (+ (* 2.0 (/ 1 (pow x 2))) (+ (* 2.0 (/ 1 x)) 1)))
0.082 * * * [progress]: simplifying candidates
0.083 * [simplify]: Simplifying:
  (expm1 (/ (+ x 1.0) (- 1.0 x)))
  (log1p (/ (+ x 1.0) (- 1.0 x)))
  (- (log (+ x 1.0)) (log (- 1.0 x)))
  (log (/ (+ x 1.0) (- 1.0 x)))
  (exp (/ (+ x 1.0) (- 1.0 x)))
  (/ (* (* (+ x 1.0) (+ x 1.0)) (+ x 1.0)) (* (* (- 1.0 x) (- 1.0 x)) (- 1.0 x)))
  (* (cbrt (/ (+ x 1.0) (- 1.0 x))) (cbrt (/ (+ x 1.0) (- 1.0 x))))
  (cbrt (/ (+ x 1.0) (- 1.0 x)))
  (* (* (/ (+ x 1.0) (- 1.0 x)) (/ (+ x 1.0) (- 1.0 x))) (/ (+ x 1.0) (- 1.0 x)))
  (sqrt (/ (+ x 1.0) (- 1.0 x)))
  (sqrt (/ (+ x 1.0) (- 1.0 x)))
  (- (+ x 1.0))
  (- (- 1.0 x))
  (/ (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))) (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))))
  (/ (cbrt (+ x 1.0)) (cbrt (- 1.0 x)))
  (/ (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))) (sqrt (- 1.0 x)))
  (/ (cbrt (+ x 1.0)) (sqrt (- 1.0 x)))
  (/ (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))) 1)
  (/ (cbrt (+ x 1.0)) (- 1.0 x))
  (/ (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))) (+ (sqrt 1.0) (sqrt x)))
  (/ (cbrt (+ x 1.0)) (- (sqrt 1.0) (sqrt x)))
  (/ (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))) 1)
  (/ (cbrt (+ x 1.0)) (- 1.0 x))
  (/ (sqrt (+ x 1.0)) (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))))
  (/ (sqrt (+ x 1.0)) (cbrt (- 1.0 x)))
  (/ (sqrt (+ x 1.0)) (sqrt (- 1.0 x)))
  (/ (sqrt (+ x 1.0)) (sqrt (- 1.0 x)))
  (/ (sqrt (+ x 1.0)) 1)
  (/ (sqrt (+ x 1.0)) (- 1.0 x))
  (/ (sqrt (+ x 1.0)) (+ (sqrt 1.0) (sqrt x)))
  (/ (sqrt (+ x 1.0)) (- (sqrt 1.0) (sqrt x)))
  (/ (sqrt (+ x 1.0)) 1)
  (/ (sqrt (+ x 1.0)) (- 1.0 x))
  (/ 1 (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))))
  (/ (+ x 1.0) (cbrt (- 1.0 x)))
  (/ 1 (sqrt (- 1.0 x)))
  (/ (+ x 1.0) (sqrt (- 1.0 x)))
  (/ 1 1)
  (/ (+ x 1.0) (- 1.0 x))
  (/ 1 (+ (sqrt 1.0) (sqrt x)))
  (/ (+ x 1.0) (- (sqrt 1.0) (sqrt x)))
  (/ 1 1)
  (/ (+ x 1.0) (- 1.0 x))
  (/ 1 (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))))
  (/ (+ x 1.0) (cbrt (- 1.0 x)))
  (/ 1 (sqrt (- 1.0 x)))
  (/ (+ x 1.0) (sqrt (- 1.0 x)))
  (/ 1 1)
  (/ (+ x 1.0) (- 1.0 x))
  (/ 1 (+ (sqrt 1.0) (sqrt x)))
  (/ (+ x 1.0) (- (sqrt 1.0) (sqrt x)))
  (/ 1 1)
  (/ (+ x 1.0) (- 1.0 x))
  (/ 1 (- 1.0 x))
  (/ (- 1.0 x) (+ x 1.0))
  (/ (+ x 1.0) (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))))
  (/ (+ x 1.0) (sqrt (- 1.0 x)))
  (/ (+ x 1.0) 1)
  (/ (+ x 1.0) (+ (sqrt 1.0) (sqrt x)))
  (/ (+ x 1.0) 1)
  (/ (- 1.0 x) (cbrt (+ x 1.0)))
  (/ (- 1.0 x) (sqrt (+ x 1.0)))
  (/ (- 1.0 x) (+ x 1.0))
  (/ (- 1.0 x) (+ x 1.0))
  (/ (+ x 1.0) (- (pow 1.0 3) (pow x 3)))
  (/ (+ x 1.0) (- (* 1.0 1.0) (* x x)))
  (* (- 1.0 x) (+ (* x x) (- (* 1.0 1.0) (* x 1.0))))
  (* (- 1.0 x) (- x 1.0))
  (+ (* 2.0 (pow x 2)) (+ (* 2.0 x) 1.0))
  (- (+ (* 2.0 (/ 1 (pow x 2))) (+ (* 2.0 (/ 1 x)) 1)))
  (- (+ (* 2.0 (/ 1 (pow x 2))) (+ (* 2.0 (/ 1 x)) 1)))
0.084 * * [simplify]: Extracting # 0 : cost  0
0.084 * * [simplify]: Extracting # 1 : cost  0
0.084 * * [simplify]: Extracting # 2 : cost  0
0.084 * * [simplify]: Extracting # 3 : cost  0
0.084 * * [simplify]: Extracting # 4 : cost  0
0.084 * * [simplify]: Extracting # 5 : cost  0
0.084 * * [simplify]: Extracting # 6 : cost  0
0.085 * * [simplify]: Extracting # 7 : cost  0
0.085 * * [simplify]: Extracting # 8 : cost  0
0.085 * * [simplify]: iteration  0 :  93  enodes  (cost  646 )
0.105 * * [simplify]: Extracting # 0 : cost  0
0.105 * * [simplify]: Extracting # 1 : cost  0
0.105 * * [simplify]: Extracting # 2 : cost  0
0.106 * * [simplify]: Extracting # 3 : cost  0
0.106 * * [simplify]: iteration  1 :  215  enodes  (cost  616 )
0.173 * * [simplify]: Extracting # 0 : cost  0
0.174 * * [simplify]: Extracting # 1 : cost  0
0.174 * * [simplify]: Extracting # 2 : cost  0
0.175 * * [simplify]: Extracting # 3 : cost  0
0.175 * * [simplify]: iteration  2 :  569  enodes  (cost  584 )
0.392 * * [simplify]: Extracting # 0 : cost  0
0.393 * * [simplify]: Extracting # 1 : cost  0
0.394 * * [simplify]: Extracting # 2 : cost  0
0.396 * * [simplify]: Extracting # 3 : cost  0
0.397 * * [simplify]: Extracting # 4 : cost  0
0.398 * * [simplify]: iteration  3 :  1349  enodes  (cost  573 )
1.645 * * [simplify]: Extracting # 0 : cost  0
1.648 * * [simplify]: Extracting # 1 : cost  0
1.652 * * [simplify]: Extracting # 2 : cost  0
1.657 * * [simplify]: Extracting # 3 : cost  0
1.660 * * [simplify]: Extracting # 4 : cost  0
1.664 * * [simplify]: iteration  4 :  3656  enodes  (cost  573 )
2.413 * * [simplify]: Extracting # 0 : cost  0
2.423 * * [simplify]: Extracting # 1 : cost  0
2.428 * * [simplify]: iteration done:  5000  enodes  (cost  573 )
2.428 * [simplify]: Simplified to:
  (expm1 (/ (+ x 1.0) (- 1.0 x)))
  (log1p (/ (+ x 1.0) (- 1.0 x)))
  (log (/ (+ x 1.0) (- 1.0 x)))
  (log (/ (+ x 1.0) (- 1.0 x)))
  (exp (/ (+ x 1.0) (- 1.0 x)))
  (pow (/ (+ x 1.0) (- 1.0 x)) 3)
  (* (cbrt (/ (+ x 1.0) (- 1.0 x))) (cbrt (/ (+ x 1.0) (- 1.0 x))))
  (cbrt (/ (+ x 1.0) (- 1.0 x)))
  (pow (/ (+ x 1.0) (- 1.0 x)) 3)
  (sqrt (/ (+ x 1.0) (- 1.0 x)))
  (sqrt (/ (+ x 1.0) (- 1.0 x)))
  (- (+ x 1.0))
  (- x 1.0)
  (/ (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))) (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))))
  (/ (cbrt (+ x 1.0)) (cbrt (- 1.0 x)))
  (/ (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))) (sqrt (- 1.0 x)))
  (/ (cbrt (+ x 1.0)) (sqrt (- 1.0 x)))
  (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0)))
  (/ (cbrt (+ x 1.0)) (- 1.0 x))
  (/ (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))) (+ (sqrt 1.0) (sqrt x)))
  (/ (cbrt (+ x 1.0)) (- (sqrt 1.0) (sqrt x)))
  (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0)))
  (/ (cbrt (+ x 1.0)) (- 1.0 x))
  (/ (sqrt (+ x 1.0)) (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))))
  (/ (sqrt (+ x 1.0)) (cbrt (- 1.0 x)))
  (/ (sqrt (+ x 1.0)) (sqrt (- 1.0 x)))
  (/ (sqrt (+ x 1.0)) (sqrt (- 1.0 x)))
  (sqrt (+ x 1.0))
  (/ (sqrt (+ x 1.0)) (- 1.0 x))
  (/ (sqrt (+ x 1.0)) (+ (sqrt 1.0) (sqrt x)))
  (/ (sqrt (+ x 1.0)) (- (sqrt 1.0) (sqrt x)))
  (sqrt (+ x 1.0))
  (/ (sqrt (+ x 1.0)) (- 1.0 x))
  (/ 1 (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))))
  (/ (+ x 1.0) (cbrt (- 1.0 x)))
  (/ 1 (sqrt (- 1.0 x)))
  (/ (+ x 1.0) (sqrt (- 1.0 x)))
  1
  (/ (+ x 1.0) (- 1.0 x))
  (/ 1 (+ (sqrt 1.0) (sqrt x)))
  (/ (+ x 1.0) (- (sqrt 1.0) (sqrt x)))
  1
  (/ (+ x 1.0) (- 1.0 x))
  (/ 1 (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))))
  (/ (+ x 1.0) (cbrt (- 1.0 x)))
  (/ 1 (sqrt (- 1.0 x)))
  (/ (+ x 1.0) (sqrt (- 1.0 x)))
  1
  (/ (+ x 1.0) (- 1.0 x))
  (/ 1 (+ (sqrt 1.0) (sqrt x)))
  (/ (+ x 1.0) (- (sqrt 1.0) (sqrt x)))
  1
  (/ (+ x 1.0) (- 1.0 x))
  (/ 1 (- 1.0 x))
  (/ (- 1.0 x) (+ x 1.0))
  (/ (+ x 1.0) (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))))
  (/ (+ x 1.0) (sqrt (- 1.0 x)))
  (+ 1.0 x)
  (/ (+ x 1.0) (+ (sqrt 1.0) (sqrt x)))
  (+ 1.0 x)
  (/ (- 1.0 x) (cbrt (+ x 1.0)))
  (/ (- 1.0 x) (sqrt (+ x 1.0)))
  (/ (- 1.0 x) (+ x 1.0))
  (/ (- 1.0 x) (+ x 1.0))
  (/ (+ x 1.0) (- (pow 1.0 3) (pow x 3)))
  (/ 1 (- 1.0 x))
  (* (fma x x (* 1.0 (- 1.0 x))) (- 1.0 x))
  (* (- 1.0 x) (- x 1.0))
  (fma 2.0 (fma x x x) 1.0)
  (- (- -1 (/ 2.0 x)) (/ (/ 2.0 x) x))
  (- (- -1 (/ 2.0 x)) (/ (/ 2.0 x) x))
2.429 * * * [progress]: adding candidates to table
2.503 * * [progress]: iteration 2 / 4
2.503 * * * [progress]: picking best candidate
2.505 * * * * [pick]: Picked  #<alt (λ (x) (fma 2.0 (fma x x x) 1.0))>
2.505 * * * [progress]: localizing error
2.509 * * * [progress]: generating rewritten candidates
2.509 * * * [progress]: generating series expansions
2.509 * * * [progress]: simplifying candidates
2.510 * [simplify]: Simplifying:
  
2.510 * * [simplify]: Extracting # 0 : cost  0
2.510 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
2.510 * * [simplify]: Extracting # 0 : cost  0
2.510 * * [simplify]: iteration done:  0  enodes  (cost  0 )
2.510 * [simplify]: Simplified to:
  
2.510 * * * [progress]: adding candidates to table
2.510 * [progress]: [Phase 3 of 3] Extracting.
2.510 * * [regime]: Finding splitpoints for: (#<alt (λ (x) (fma 2.0 (fma x x x) 1.0))> #<alt (λ (x) (/ (+ x 1.0) (- 1.0 x)))>)
2.510 * * * [regime-changes]: Trying 2 branch expressions: ((/ (+ x 1.0) (- 1.0 x)) x)
2.510 * * * * [regimes]: Trying to branch on (/ (+ x 1.0) (- 1.0 x)) from (#<alt (λ (x) (fma 2.0 (fma x x x) 1.0))> #<alt (λ (x) (/ (+ x 1.0) (- 1.0 x)))>)
2.521 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x) (fma 2.0 (fma x x x) 1.0))> #<alt (λ (x) (/ (+ x 1.0) (- 1.0 x)))>)
2.529 * * * [regime]: Found split indices: #<option (#s(si 1 255))>
2.530 * [simplify]: Simplifying:
  (/ (+ x 1.0) (- 1.0 x))
2.530 * * [simplify]: Extracting # 0 : cost  0
2.530 * * [simplify]: Extracting # 1 : cost  0
2.530 * * [simplify]: Extracting # 2 : cost  0
2.530 * * [simplify]: Extracting # 3 : cost  0
2.530 * * [simplify]: Extracting # 4 : cost  0
2.530 * * [simplify]: iteration  0 :  5  enodes  (cost  7 )
2.530 * * [simplify]: Extracting # 0 : cost  0
2.530 * * [simplify]: iteration  1 :  6  enodes  (cost  7 )
2.530 * * [simplify]: Extracting # 0 : cost  0
2.530 * * [simplify]: iteration done:  6  enodes  (cost  7 )
2.530 * [simplify]: Simplified to:
  (/ (+ x 1.0) (- 1.0 x))
2.834 * [regime-testing]: Baseline error score: 0.010824473371761616
2.835 * [regime-testing]: Oracle error score: 0.004823723277999895
2.836 * [regime-testing]: End program error score: 0.010824473371761616