13.691 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.008 * * * [progress]: [2/2] Setting up program.
0.009 * [progress]: [Phase 2 of 3] Improving.
0.010 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (- x (/ 1.0 3.0))
0.010 * * [simplify]: iteration  0 :  5  enodes  (cost  5 )
0.011 * * [simplify]: iteration  1 :  7  enodes  (cost  5 )
0.012 * * [simplify]: iteration  2 :  10  enodes  (cost  5 )
0.013 * * [simplify]: iteration  done :  10  enodes  (cost  5 )
0.013 * [simplify]: Simplified to:
   (- x (/ 1.0 3.0))
0.013 * * [progress]: iteration 1 / 4
0.013 * * * [progress]: picking best candidate
0.014 * * * * [pick]: Picked  #<alt (λ (x) (- x (/ 1.0 3.0)))>
0.014 * * * [progress]: localizing error
0.017 * * * [progress]: generating rewritten candidates
0.017 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.023 * * * [progress]: generating series expansions
0.023 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.024 * [approximate]: Taking taylor expansion of (- x 0.3333333333333333) in (x) around 0
0.024 * [taylor]: Taking taylor expansion of (- x 0.3333333333333333) in x
0.024 * [taylor]: Taking taylor expansion of x in x
0.024 * [taylor]: Taking taylor expansion of 0.3333333333333333 in x
0.024 * [taylor]: Taking taylor expansion of (- x 0.3333333333333333) in x
0.024 * [taylor]: Taking taylor expansion of x in x
0.024 * [taylor]: Taking taylor expansion of 0.3333333333333333 in x
0.029 * [approximate]: Taking taylor expansion of (- (/ 1 x) 0.3333333333333333) in (x) around 0
0.029 * [taylor]: Taking taylor expansion of (- (/ 1 x) 0.3333333333333333) in x
0.029 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.029 * [taylor]: Taking taylor expansion of x in x
0.029 * [taylor]: Taking taylor expansion of 0.3333333333333333 in x
0.029 * [taylor]: Taking taylor expansion of (- (/ 1 x) 0.3333333333333333) in x
0.029 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.029 * [taylor]: Taking taylor expansion of x in x
0.029 * [taylor]: Taking taylor expansion of 0.3333333333333333 in x
0.037 * [approximate]: Taking taylor expansion of (- (+ 0.3333333333333333 (/ 1 x))) in (x) around 0
0.037 * [taylor]: Taking taylor expansion of (- (+ 0.3333333333333333 (/ 1 x))) in x
0.037 * [taylor]: Taking taylor expansion of (+ 0.3333333333333333 (/ 1 x)) in x
0.037 * [taylor]: Taking taylor expansion of 0.3333333333333333 in x
0.037 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.037 * [taylor]: Taking taylor expansion of x in x
0.037 * [taylor]: Taking taylor expansion of (- (+ 0.3333333333333333 (/ 1 x))) in x
0.037 * [taylor]: Taking taylor expansion of (+ 0.3333333333333333 (/ 1 x)) in x
0.037 * [taylor]: Taking taylor expansion of 0.3333333333333333 in x
0.037 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.037 * [taylor]: Taking taylor expansion of x in x
0.048 * * * [progress]: simplifying candidates
0.048 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (/ (exp x) (exp (/ 1.0 3.0)))
  (log (- x (/ 1.0 3.0)))
  (exp (- x (/ 1.0 3.0)))
  (* (cbrt (- x (/ 1.0 3.0))) (cbrt (- x (/ 1.0 3.0))))
  (cbrt (- x (/ 1.0 3.0)))
  (* (* (- x (/ 1.0 3.0)) (- x (/ 1.0 3.0))) (- x (/ 1.0 3.0)))
  (sqrt (- x (/ 1.0 3.0)))
  (sqrt (- x (/ 1.0 3.0)))
  (- (pow x 3) (pow (/ 1.0 3.0) 3))
  (+ (* x x) (+ (* (/ 1.0 3.0) (/ 1.0 3.0)) (* x (/ 1.0 3.0))))
  (- (/ 1.0 3.0))
  (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0)))
  (+ x (/ 1.0 3.0))
  (+ (sqrt x) (sqrt (/ 1.0 3.0)))
  (- (sqrt x) (sqrt (/ 1.0 3.0)))
  (+ (sqrt x) (/ (sqrt 1.0) (sqrt 3.0)))
  (- (sqrt x) (/ (sqrt 1.0) (sqrt 3.0)))
  (- x (/ 1.0 3.0))
  (- (/ 1.0 3.0))
  (- x 0.3333333333333333)
  (- x 0.3333333333333333)
  (- x 0.3333333333333333)
0.050 * * [simplify]: iteration  0 :  38  enodes  (cost  161 )
0.055 * * [simplify]: iteration  1 :  82  enodes  (cost  156 )
0.067 * * [simplify]: iteration  2 :  171  enodes  (cost  146 )
0.095 * * [simplify]: iteration  3 :  381  enodes  (cost  146 )
0.184 * * [simplify]: iteration  4 :  1022  enodes  (cost  146 )
0.496 * * [simplify]: iteration  5 :  3202  enodes  (cost  146 )
1.376 * * [simplify]: iteration  done :  5001  enodes  (cost  146 )
1.377 * [simplify]: Simplified to:
   (exp (- x (/ 1.0 3.0)))
  (log (- x (/ 1.0 3.0)))
  (exp (- x (/ 1.0 3.0)))
  (* (cbrt (- x (/ 1.0 3.0))) (cbrt (- x (/ 1.0 3.0))))
  (cbrt (- x (/ 1.0 3.0)))
  (pow (- x (/ 1.0 3.0)) 3)
  (sqrt (- x (/ 1.0 3.0)))
  (sqrt (- x (/ 1.0 3.0)))
  (- (pow x 3) (pow (/ 1.0 3.0) 3))
  (+ (* (/ 1.0 3.0) (+ x (/ 1.0 3.0))) (* x x))
  (- (/ 1.0 3.0))
  (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0)))
  (+ x (/ 1.0 3.0))
  (+ (sqrt x) (sqrt (/ 1.0 3.0)))
  (- (sqrt x) (sqrt (/ 1.0 3.0)))
  (+ (sqrt x) (/ (sqrt 1.0) (sqrt 3.0)))
  (- (sqrt x) (/ (sqrt 1.0) (sqrt 3.0)))
  (- x (/ 1.0 3.0))
  (- (/ 1.0 3.0))
  (- x 0.3333333333333333)
  (- x 0.3333333333333333)
  (- x 0.3333333333333333)
1.377 * * * [progress]: adding candidates to table
1.403 * * [progress]: iteration 2 / 4
1.403 * * * [progress]: picking best candidate
1.404 * * * * [pick]: Picked  #<alt (λ (x) (/ (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0))) (+ x (/ 1.0 3.0))))>
1.404 * * * [progress]: localizing error
1.412 * * * [progress]: generating rewritten candidates
1.412 * * * * [progress]: [ 1 / 3 ] rewriting at (2)
1.433 * * * * [progress]: [ 2 / 3 ] rewriting at (2 1)
1.436 * * * * [progress]: [ 3 / 3 ] rewriting at (2 2)
1.443 * * * [progress]: generating series expansions
1.443 * * * * [progress]: [ 1 / 3 ] generating series at (2)
1.444 * [approximate]: Taking taylor expansion of (/ (- (pow x 2) 0.1111111111111111) (+ x 0.3333333333333333)) in (x) around 0
1.445 * [taylor]: Taking taylor expansion of (/ (- (pow x 2) 0.1111111111111111) (+ x 0.3333333333333333)) in x
1.445 * [taylor]: Taking taylor expansion of (- (pow x 2) 0.1111111111111111) in x
1.445 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.445 * [taylor]: Taking taylor expansion of x in x
1.445 * [taylor]: Taking taylor expansion of 0.1111111111111111 in x
1.445 * [taylor]: Taking taylor expansion of (+ x 0.3333333333333333) in x
1.445 * [taylor]: Taking taylor expansion of x in x
1.445 * [taylor]: Taking taylor expansion of 0.3333333333333333 in x
1.446 * [taylor]: Taking taylor expansion of (/ (- (pow x 2) 0.1111111111111111) (+ x 0.3333333333333333)) in x
1.446 * [taylor]: Taking taylor expansion of (- (pow x 2) 0.1111111111111111) in x
1.446 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.446 * [taylor]: Taking taylor expansion of x in x
1.446 * [taylor]: Taking taylor expansion of 0.1111111111111111 in x
1.446 * [taylor]: Taking taylor expansion of (+ x 0.3333333333333333) in x
1.446 * [taylor]: Taking taylor expansion of x in x
1.446 * [taylor]: Taking taylor expansion of 0.3333333333333333 in x
1.466 * [approximate]: Taking taylor expansion of (/ (- (/ 1 (pow x 2)) 0.1111111111111111) (+ 0.3333333333333333 (/ 1 x))) in (x) around 0
1.466 * [taylor]: Taking taylor expansion of (/ (- (/ 1 (pow x 2)) 0.1111111111111111) (+ 0.3333333333333333 (/ 1 x))) in x
1.466 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 0.1111111111111111) in x
1.466 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.466 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.466 * [taylor]: Taking taylor expansion of x in x
1.466 * [taylor]: Taking taylor expansion of 0.1111111111111111 in x
1.466 * [taylor]: Taking taylor expansion of (+ 0.3333333333333333 (/ 1 x)) in x
1.466 * [taylor]: Taking taylor expansion of 0.3333333333333333 in x
1.466 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.466 * [taylor]: Taking taylor expansion of x in x
1.467 * [taylor]: Taking taylor expansion of (/ (- (/ 1 (pow x 2)) 0.1111111111111111) (+ 0.3333333333333333 (/ 1 x))) in x
1.467 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 0.1111111111111111) in x
1.467 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.467 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.467 * [taylor]: Taking taylor expansion of x in x
1.468 * [taylor]: Taking taylor expansion of 0.1111111111111111 in x
1.468 * [taylor]: Taking taylor expansion of (+ 0.3333333333333333 (/ 1 x)) in x
1.468 * [taylor]: Taking taylor expansion of 0.3333333333333333 in x
1.468 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.468 * [taylor]: Taking taylor expansion of x in x
1.495 * [approximate]: Taking taylor expansion of (/ (- (/ 1 (pow x 2)) 0.1111111111111111) (- 0.3333333333333333 (/ 1 x))) in (x) around 0
1.495 * [taylor]: Taking taylor expansion of (/ (- (/ 1 (pow x 2)) 0.1111111111111111) (- 0.3333333333333333 (/ 1 x))) in x
1.495 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 0.1111111111111111) in x
1.495 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.495 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.495 * [taylor]: Taking taylor expansion of x in x
1.496 * [taylor]: Taking taylor expansion of 0.1111111111111111 in x
1.496 * [taylor]: Taking taylor expansion of (- 0.3333333333333333 (/ 1 x)) in x
1.496 * [taylor]: Taking taylor expansion of 0.3333333333333333 in x
1.496 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.496 * [taylor]: Taking taylor expansion of x in x
1.497 * [taylor]: Taking taylor expansion of (/ (- (/ 1 (pow x 2)) 0.1111111111111111) (- 0.3333333333333333 (/ 1 x))) in x
1.497 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 0.1111111111111111) in x
1.497 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.497 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.497 * [taylor]: Taking taylor expansion of x in x
1.498 * [taylor]: Taking taylor expansion of 0.1111111111111111 in x
1.498 * [taylor]: Taking taylor expansion of (- 0.3333333333333333 (/ 1 x)) in x
1.498 * [taylor]: Taking taylor expansion of 0.3333333333333333 in x
1.498 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.498 * [taylor]: Taking taylor expansion of x in x
1.529 * * * * [progress]: [ 2 / 3 ] generating series at (2 1)
1.530 * [approximate]: Taking taylor expansion of (- (pow x 2) 0.1111111111111111) in (x) around 0
1.530 * [taylor]: Taking taylor expansion of (- (pow x 2) 0.1111111111111111) in x
1.530 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.530 * [taylor]: Taking taylor expansion of x in x
1.530 * [taylor]: Taking taylor expansion of 0.1111111111111111 in x
1.530 * [taylor]: Taking taylor expansion of (- (pow x 2) 0.1111111111111111) in x
1.530 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.530 * [taylor]: Taking taylor expansion of x in x
1.530 * [taylor]: Taking taylor expansion of 0.1111111111111111 in x
1.539 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) 0.1111111111111111) in (x) around 0
1.539 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 0.1111111111111111) in x
1.539 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.540 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.540 * [taylor]: Taking taylor expansion of x in x
1.540 * [taylor]: Taking taylor expansion of 0.1111111111111111 in x
1.540 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 0.1111111111111111) in x
1.540 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.540 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.540 * [taylor]: Taking taylor expansion of x in x
1.541 * [taylor]: Taking taylor expansion of 0.1111111111111111 in x
1.556 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) 0.1111111111111111) in (x) around 0
1.556 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 0.1111111111111111) in x
1.556 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.556 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.556 * [taylor]: Taking taylor expansion of x in x
1.556 * [taylor]: Taking taylor expansion of 0.1111111111111111 in x
1.556 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 0.1111111111111111) in x
1.556 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.556 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.556 * [taylor]: Taking taylor expansion of x in x
1.557 * [taylor]: Taking taylor expansion of 0.1111111111111111 in x
1.571 * * * * [progress]: [ 3 / 3 ] generating series at (2 2)
1.571 * [approximate]: Taking taylor expansion of (+ x 0.3333333333333333) in (x) around 0
1.571 * [taylor]: Taking taylor expansion of (+ x 0.3333333333333333) in x
1.571 * [taylor]: Taking taylor expansion of x in x
1.571 * [taylor]: Taking taylor expansion of 0.3333333333333333 in x
1.571 * [taylor]: Taking taylor expansion of (+ x 0.3333333333333333) in x
1.571 * [taylor]: Taking taylor expansion of x in x
1.571 * [taylor]: Taking taylor expansion of 0.3333333333333333 in x
1.574 * [approximate]: Taking taylor expansion of (+ 0.3333333333333333 (/ 1 x)) in (x) around 0
1.574 * [taylor]: Taking taylor expansion of (+ 0.3333333333333333 (/ 1 x)) in x
1.574 * [taylor]: Taking taylor expansion of 0.3333333333333333 in x
1.574 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.574 * [taylor]: Taking taylor expansion of x in x
1.574 * [taylor]: Taking taylor expansion of (+ 0.3333333333333333 (/ 1 x)) in x
1.574 * [taylor]: Taking taylor expansion of 0.3333333333333333 in x
1.574 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.574 * [taylor]: Taking taylor expansion of x in x
1.580 * [approximate]: Taking taylor expansion of (- 0.3333333333333333 (/ 1 x)) in (x) around 0
1.580 * [taylor]: Taking taylor expansion of (- 0.3333333333333333 (/ 1 x)) in x
1.580 * [taylor]: Taking taylor expansion of 0.3333333333333333 in x
1.580 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.580 * [taylor]: Taking taylor expansion of x in x
1.580 * [taylor]: Taking taylor expansion of (- 0.3333333333333333 (/ 1 x)) in x
1.580 * [taylor]: Taking taylor expansion of 0.3333333333333333 in x
1.580 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.580 * [taylor]: Taking taylor expansion of x in x
1.590 * * * [progress]: simplifying candidates
1.592 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (- (log (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0)))) (log (+ x (/ 1.0 3.0))))
  (log (/ (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0))) (+ x (/ 1.0 3.0))))
  (exp (/ (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0))) (+ x (/ 1.0 3.0))))
  (/ (* (* (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0))) (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0)))) (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0)))) (* (* (+ x (/ 1.0 3.0)) (+ x (/ 1.0 3.0))) (+ x (/ 1.0 3.0))))
  (* (cbrt (/ (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0))) (+ x (/ 1.0 3.0)))) (cbrt (/ (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0))) (+ x (/ 1.0 3.0)))))
  (cbrt (/ (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0))) (+ x (/ 1.0 3.0))))
  (* (* (/ (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0))) (+ x (/ 1.0 3.0))) (/ (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0))) (+ x (/ 1.0 3.0)))) (/ (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0))) (+ x (/ 1.0 3.0))))
  (sqrt (/ (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0))) (+ x (/ 1.0 3.0))))
  (sqrt (/ (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0))) (+ x (/ 1.0 3.0))))
  (- (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0))))
  (- (+ x (/ 1.0 3.0)))
  (/ (* x x) (+ x (/ 1.0 3.0)))
  (/ (* (/ 1.0 3.0) (/ 1.0 3.0)) (+ x (/ 1.0 3.0)))
  (/ (* (cbrt (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0)))) (cbrt (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0))))) (* (cbrt (+ x (/ 1.0 3.0))) (cbrt (+ x (/ 1.0 3.0)))))
  (/ (cbrt (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0)))) (cbrt (+ x (/ 1.0 3.0))))
  (/ (* (cbrt (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0)))) (cbrt (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0))))) (sqrt (+ x (/ 1.0 3.0))))
  (/ (cbrt (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0)))) (sqrt (+ x (/ 1.0 3.0))))
  (/ (* (cbrt (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0)))) (cbrt (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0))))) 1)
  (/ (cbrt (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0)))) (+ x (/ 1.0 3.0)))
  (/ (* (cbrt (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0)))) (cbrt (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0))))) 1)
  (/ (cbrt (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0)))) (+ x (/ 1.0 3.0)))
  (/ (sqrt (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0)))) (* (cbrt (+ x (/ 1.0 3.0))) (cbrt (+ x (/ 1.0 3.0)))))
  (/ (sqrt (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0)))) (cbrt (+ x (/ 1.0 3.0))))
  (/ (sqrt (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0)))) (sqrt (+ x (/ 1.0 3.0))))
  (/ (sqrt (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0)))) (sqrt (+ x (/ 1.0 3.0))))
  (/ (sqrt (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0)))) 1)
  (/ (sqrt (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0)))) (+ x (/ 1.0 3.0)))
  (/ (sqrt (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0)))) 1)
  (/ (sqrt (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0)))) (+ x (/ 1.0 3.0)))
  (/ 1 (* (cbrt (+ x (/ 1.0 3.0))) (cbrt (+ x (/ 1.0 3.0)))))
  (/ (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0))) (cbrt (+ x (/ 1.0 3.0))))
  (/ 1 (sqrt (+ x (/ 1.0 3.0))))
  (/ (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0))) (sqrt (+ x (/ 1.0 3.0))))
  (/ 1 1)
  (/ (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0))) (+ x (/ 1.0 3.0)))
  (/ 1 1)
  (/ (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0))) (+ x (/ 1.0 3.0)))
  (/ (+ x (/ 1.0 3.0)) (* (cbrt (+ x (/ 1.0 3.0))) (cbrt (+ x (/ 1.0 3.0)))))
  (/ (- x (/ 1.0 3.0)) (cbrt (+ x (/ 1.0 3.0))))
  (/ (+ x (/ 1.0 3.0)) (sqrt (+ x (/ 1.0 3.0))))
  (/ (- x (/ 1.0 3.0)) (sqrt (+ x (/ 1.0 3.0))))
  (/ (+ x (/ 1.0 3.0)) 1)
  (/ (- x (/ 1.0 3.0)) (+ x (/ 1.0 3.0)))
  (/ (+ x (/ 1.0 3.0)) 1)
  (/ (- x (/ 1.0 3.0)) (+ x (/ 1.0 3.0)))
  (/ 1 (+ x (/ 1.0 3.0)))
  (/ (+ x (/ 1.0 3.0)) (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0))))
  (/ (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0))) (* (cbrt (+ x (/ 1.0 3.0))) (cbrt (+ x (/ 1.0 3.0)))))
  (/ (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0))) (sqrt (+ x (/ 1.0 3.0))))
  (/ (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0))) 1)
  (/ (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0))) 1)
  (/ (+ x (/ 1.0 3.0)) (cbrt (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0)))))
  (/ (+ x (/ 1.0 3.0)) (sqrt (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0)))))
  (/ (+ x (/ 1.0 3.0)) (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0))))
  (/ (+ x (/ 1.0 3.0)) (- x (/ 1.0 3.0)))
  (/ (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0))) (+ (pow x 3) (pow (/ 1.0 3.0) 3)))
  (/ (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0))) (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0))))
  (* (+ x (/ 1.0 3.0)) (+ (* (* x x) (* x x)) (+ (* (* (/ 1.0 3.0) (/ 1.0 3.0)) (* (/ 1.0 3.0) (/ 1.0 3.0))) (* (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0))))))
  (* (+ x (/ 1.0 3.0)) (+ (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0))))
  (/ (exp (* x x)) (exp (* (/ 1.0 3.0) (/ 1.0 3.0))))
  (log (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0))))
  (exp (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0))))
  (* (cbrt (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0)))) (cbrt (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0)))))
  (cbrt (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0))))
  (* (* (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0))) (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0)))) (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0))))
  (sqrt (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0))))
  (sqrt (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0))))
  (- (pow (* x x) 3) (pow (* (/ 1.0 3.0) (/ 1.0 3.0)) 3))
  (+ (* (* x x) (* x x)) (+ (* (* (/ 1.0 3.0) (/ 1.0 3.0)) (* (/ 1.0 3.0) (/ 1.0 3.0))) (* (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0)))))
  (- (* (/ 1.0 3.0) (/ 1.0 3.0)))
  (- (* (* x x) (* x x)) (* (* (/ 1.0 3.0) (/ 1.0 3.0)) (* (/ 1.0 3.0) (/ 1.0 3.0))))
  (+ (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0)))
  (+ x (/ 1.0 3.0))
  (- x (/ 1.0 3.0))
  (- (* (/ 1.0 3.0) (/ 1.0 3.0)))
  (* (exp x) (exp (/ 1.0 3.0)))
  (log (+ x (/ 1.0 3.0)))
  (exp (+ x (/ 1.0 3.0)))
  (* (cbrt (+ x (/ 1.0 3.0))) (cbrt (+ x (/ 1.0 3.0))))
  (cbrt (+ x (/ 1.0 3.0)))
  (* (* (+ x (/ 1.0 3.0)) (+ x (/ 1.0 3.0))) (+ x (/ 1.0 3.0)))
  (sqrt (+ x (/ 1.0 3.0)))
  (sqrt (+ x (/ 1.0 3.0)))
  (+ (pow x 3) (pow (/ 1.0 3.0) 3))
  (+ (* x x) (- (* (/ 1.0 3.0) (/ 1.0 3.0)) (* x (/ 1.0 3.0))))
  (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0)))
  (- x (/ 1.0 3.0))
  (+ x (/ 1.0 3.0))
  (- (* 1.0 x) 0.3333333333333333)
  (- x 0.3333333333333333)
  (- x 0.3333333333333333)
  (- (pow x 2) 0.1111111111111111)
  (- (pow x 2) 0.1111111111111111)
  (- (pow x 2) 0.1111111111111111)
  (+ x 0.3333333333333333)
  (+ x 0.3333333333333333)
  (+ x 0.3333333333333333)
1.595 * * [simplify]: iteration  0 :  104  enodes  (cost  1479 )
1.614 * * [simplify]: iteration  1 :  275  enodes  (cost  1402 )
1.692 * * [simplify]: iteration  2 :  1027  enodes  (cost  1282 )
2.035 * * [simplify]: iteration  done :  5000  enodes  (cost  1282 )
2.036 * [simplify]: Simplified to:
   (log (/ (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0))) (+ x (/ 1.0 3.0))))
  (log (/ (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0))) (+ x (/ 1.0 3.0))))
  (exp (/ (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0))) (+ x (/ 1.0 3.0))))
  (pow (/ (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0))) (+ x (/ 1.0 3.0))) 3)
  (* (cbrt (/ (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0))) (+ x (/ 1.0 3.0)))) (cbrt (/ (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0))) (+ x (/ 1.0 3.0)))))
  (cbrt (/ (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0))) (+ x (/ 1.0 3.0))))
  (pow (/ (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0))) (+ x (/ 1.0 3.0))) 3)
  (sqrt (/ (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0))) (+ x (/ 1.0 3.0))))
  (sqrt (/ (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0))) (+ x (/ 1.0 3.0))))
  (- (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0))))
  (- (+ x (/ 1.0 3.0)))
  (/ (* x x) (+ x (/ 1.0 3.0)))
  (/ (* (/ 1.0 3.0) (/ 1.0 3.0)) (+ x (/ 1.0 3.0)))
  (/ (* (cbrt (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0)))) (cbrt (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0))))) (* (cbrt (+ x (/ 1.0 3.0))) (cbrt (+ x (/ 1.0 3.0)))))
  (/ (cbrt (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0)))) (cbrt (+ x (/ 1.0 3.0))))
  (/ (* (cbrt (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0)))) (cbrt (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0))))) (sqrt (+ x (/ 1.0 3.0))))
  (/ (cbrt (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0)))) (sqrt (+ x (/ 1.0 3.0))))
  (* (cbrt (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0)))) (cbrt (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0)))))
  (/ (cbrt (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0)))) (+ x (/ 1.0 3.0)))
  (* (cbrt (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0)))) (cbrt (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0)))))
  (/ (cbrt (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0)))) (+ x (/ 1.0 3.0)))
  (/ (sqrt (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0)))) (* (cbrt (+ x (/ 1.0 3.0))) (cbrt (+ x (/ 1.0 3.0)))))
  (/ (sqrt (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0)))) (cbrt (+ x (/ 1.0 3.0))))
  (/ (sqrt (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0)))) (sqrt (+ x (/ 1.0 3.0))))
  (/ (sqrt (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0)))) (sqrt (+ x (/ 1.0 3.0))))
  (sqrt (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0))))
  (/ (sqrt (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0)))) (+ x (/ 1.0 3.0)))
  (sqrt (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0))))
  (/ (sqrt (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0)))) (+ x (/ 1.0 3.0)))
  (/ 1 (* (cbrt (+ x (/ 1.0 3.0))) (cbrt (+ x (/ 1.0 3.0)))))
  (/ (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0))) (cbrt (+ x (/ 1.0 3.0))))
  (/ 1 (sqrt (+ x (/ 1.0 3.0))))
  (/ (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0))) (sqrt (+ x (/ 1.0 3.0))))
  1
  (/ (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0))) (+ x (/ 1.0 3.0)))
  1
  (/ (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0))) (+ x (/ 1.0 3.0)))
  (/ (+ x (/ 1.0 3.0)) (* (cbrt (+ x (/ 1.0 3.0))) (cbrt (+ x (/ 1.0 3.0)))))
  (/ (- x (/ 1.0 3.0)) (cbrt (+ x (/ 1.0 3.0))))
  (/ (+ x (/ 1.0 3.0)) (sqrt (+ x (/ 1.0 3.0))))
  (/ (- x (/ 1.0 3.0)) (sqrt (+ x (/ 1.0 3.0))))
  (+ (/ 1.0 3.0) x)
  (/ (- x (/ 1.0 3.0)) (+ x (/ 1.0 3.0)))
  (+ (/ 1.0 3.0) x)
  (/ (- x (/ 1.0 3.0)) (+ x (/ 1.0 3.0)))
  (/ 1 (+ x (/ 1.0 3.0)))
  (/ (+ x (/ 1.0 3.0)) (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0))))
  (/ (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0))) (* (cbrt (+ x (/ 1.0 3.0))) (cbrt (+ x (/ 1.0 3.0)))))
  (/ (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0))) (sqrt (+ x (/ 1.0 3.0))))
  (- (pow x 2) (* (/ 1.0 3.0) (/ 1.0 3.0)))
  (- (pow x 2) (* (/ 1.0 3.0) (/ 1.0 3.0)))
  (/ (+ x (/ 1.0 3.0)) (cbrt (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0)))))
  (/ (+ x (/ 1.0 3.0)) (sqrt (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0)))))
  (/ (+ x (/ 1.0 3.0)) (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0))))
  (/ (+ x (/ 1.0 3.0)) (- x (/ 1.0 3.0)))
  (/ (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0))) (+ (pow x 3) (pow (/ 1.0 3.0) 3)))
  1
  (* (+ (/ 1.0 3.0) x) (+ (* (/ 1.0 3.0) (+ (pow (/ 1.0 3.0) 3) (* (* x x) (/ 1.0 3.0)))) (pow x 4)))
  (* (+ x (/ 1.0 3.0)) (+ (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0))))
  (exp (- (pow x 2) (* (/ 1.0 3.0) (/ 1.0 3.0))))
  (log (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0))))
  (exp (- (pow x 2) (* (/ 1.0 3.0) (/ 1.0 3.0))))
  (* (cbrt (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0)))) (cbrt (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0)))))
  (cbrt (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0))))
  (pow (- (pow x 2) (* (/ 1.0 3.0) (/ 1.0 3.0))) 3)
  (sqrt (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0))))
  (sqrt (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0))))
  (- (pow x 6) (pow (/ 1.0 3.0) 6))
  (+ (* (/ 1.0 3.0) (+ (pow (/ 1.0 3.0) 3) (* (* x x) (/ 1.0 3.0)))) (pow x 4))
  (- (* (/ 1.0 3.0) (/ 1.0 3.0)))
  (- (pow x 4) (pow (/ 1.0 3.0) 4))
  (+ (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0)))
  (+ (/ 1.0 3.0) x)
  (- x (/ 1.0 3.0))
  (- (* (/ 1.0 3.0) (/ 1.0 3.0)))
  (exp (+ x (/ 1.0 3.0)))
  (log (+ x (/ 1.0 3.0)))
  (exp (+ x (/ 1.0 3.0)))
  (* (cbrt (+ x (/ 1.0 3.0))) (cbrt (+ x (/ 1.0 3.0))))
  (cbrt (+ x (/ 1.0 3.0)))
  (pow (+ (/ 1.0 3.0) x) 3)
  (sqrt (+ x (/ 1.0 3.0)))
  (sqrt (+ x (/ 1.0 3.0)))
  (+ (pow x 3) (pow (/ 1.0 3.0) 3))
  (+ (* (/ 1.0 3.0) (- (/ 1.0 3.0) x)) (* x x))
  (- (pow x 2) (* (/ 1.0 3.0) (/ 1.0 3.0)))
  (- x (/ 1.0 3.0))
  (+ (/ 1.0 3.0) x)
  (- (* 1.0 x) 0.3333333333333333)
  (- x 0.3333333333333333)
  (- x 0.3333333333333333)
  (- (pow x 2) 0.1111111111111111)
  (- (pow x 2) 0.1111111111111111)
  (- (pow x 2) 0.1111111111111111)
  (+ x 0.3333333333333333)
  (+ x 0.3333333333333333)
  (+ x 0.3333333333333333)
2.037 * * * [progress]: adding candidates to table
2.171 * [progress]: [Phase 3 of 3] Extracting.
2.171 * * [regime]: Finding splitpoints for: (#<alt (λ (x) (/ (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0))) (+ x (/ 1.0 3.0))))> #<alt (λ (x) (- x (/ 1.0 3.0)))>)
2.171 * * * [regime-changes]: Trying 2 branch expressions: ((- x (/ 1.0 3.0)) x)
2.171 * * * * [regimes]: Trying to branch on (- x (/ 1.0 3.0)) from (#<alt (λ (x) (/ (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0))) (+ x (/ 1.0 3.0))))> #<alt (λ (x) (- x (/ 1.0 3.0)))>)
2.180 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x) (/ (- (* x x) (* (/ 1.0 3.0) (/ 1.0 3.0))) (+ x (/ 1.0 3.0))))> #<alt (λ (x) (- x (/ 1.0 3.0)))>)
2.189 * * * [regime]: Found split indices: #<option (#s(si 1 255))>
2.189 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (- x (/ 1.0 3.0))
2.189 * * [simplify]: iteration  0 :  5  enodes  (cost  5 )
2.189 * * [simplify]: iteration  done :  5  enodes  (cost  5 )
2.189 * [simplify]: Simplified to:
   (- x (/ 1.0 3.0))
2.434 * [regime-testing]: Baseline error score: 0.009074254594414447
2.435 * [regime-testing]: Oracle error score: 0.005823848293626849
2.436 * [regime-testing]: End program error score: 0.009074254594414447