8.161 * [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.
0.009 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (/ x (- 1.0 x))
0.010 * * [simplify]: iteration  0 :  4  enodes  (cost  5 )
0.011 * * [simplify]: iteration  1 :  6  enodes  (cost  5 )
0.011 * * [simplify]: iteration  2 :  7  enodes  (cost  5 )
0.012 * * [simplify]: iteration  done :  7  enodes  (cost  5 )
0.012 * [simplify]: Simplified to:
   (/ x (- 1.0 x))
0.012 * * [progress]: iteration 1 / 4
0.012 * * * [progress]: picking best candidate
0.013 * * * * [pick]: Picked  #<alt (λ (x) (/ x (- 1.0 x)))>
0.013 * * * [progress]: localizing error
0.016 * * * [progress]: generating rewritten candidates
0.016 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.023 * * * [progress]: generating series expansions
0.023 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.023 * [approximate]: Taking taylor expansion of (/ x (- 1.0 x)) in (x) around 0
0.023 * [taylor]: Taking taylor expansion of (/ x (- 1.0 x)) in x
0.023 * [taylor]: Taking taylor expansion of x in x
0.023 * [taylor]: Taking taylor expansion of (- 1.0 x) in x
0.023 * [taylor]: Taking taylor expansion of 1.0 in x
0.023 * [taylor]: Taking taylor expansion of x in x
0.024 * [taylor]: Taking taylor expansion of (/ x (- 1.0 x)) in x
0.024 * [taylor]: Taking taylor expansion of x in x
0.024 * [taylor]: Taking taylor expansion of (- 1.0 x) in x
0.024 * [taylor]: Taking taylor expansion of 1.0 in x
0.024 * [taylor]: Taking taylor expansion of x in x
0.030 * [approximate]: Taking taylor expansion of (/ 1 (* (- 1.0 (/ 1 x)) x)) in (x) around 0
0.030 * [taylor]: Taking taylor expansion of (/ 1 (* (- 1.0 (/ 1 x)) x)) in x
0.030 * [taylor]: Taking taylor expansion of (* (- 1.0 (/ 1 x)) x) in x
0.030 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
0.030 * [taylor]: Taking taylor expansion of 1.0 in x
0.030 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.030 * [taylor]: Taking taylor expansion of x in x
0.030 * [taylor]: Taking taylor expansion of x in x
0.032 * [taylor]: Taking taylor expansion of (/ 1 (* (- 1.0 (/ 1 x)) x)) in x
0.032 * [taylor]: Taking taylor expansion of (* (- 1.0 (/ 1 x)) x) in x
0.032 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
0.032 * [taylor]: Taking taylor expansion of 1.0 in x
0.032 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.035 * [taylor]: Taking taylor expansion of x in x
0.035 * [taylor]: Taking taylor expansion of x in x
0.046 * [approximate]: Taking taylor expansion of (/ -1 (* (+ (/ 1 x) 1.0) x)) in (x) around 0
0.046 * [taylor]: Taking taylor expansion of (/ -1 (* (+ (/ 1 x) 1.0) x)) in x
0.047 * [taylor]: Taking taylor expansion of -1 in x
0.047 * [taylor]: Taking taylor expansion of (* (+ (/ 1 x) 1.0) x) in x
0.047 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
0.047 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.047 * [taylor]: Taking taylor expansion of x in x
0.047 * [taylor]: Taking taylor expansion of 1.0 in x
0.047 * [taylor]: Taking taylor expansion of x in x
0.049 * [taylor]: Taking taylor expansion of (/ -1 (* (+ (/ 1 x) 1.0) x)) in x
0.049 * [taylor]: Taking taylor expansion of -1 in x
0.049 * [taylor]: Taking taylor expansion of (* (+ (/ 1 x) 1.0) x) in x
0.049 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
0.049 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.049 * [taylor]: Taking taylor expansion of x in x
0.049 * [taylor]: Taking taylor expansion of 1.0 in x
0.049 * [taylor]: Taking taylor expansion of x in x
0.059 * * * [progress]: simplifying candidates
0.060 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (expm1 (/ x (- 1.0 x)))
  (log1p (/ x (- 1.0 x)))
  (- (log x) (log (- 1.0 x)))
  (log (/ x (- 1.0 x)))
  (exp (/ x (- 1.0 x)))
  (/ (* (* x x) x) (* (* (- 1.0 x) (- 1.0 x)) (- 1.0 x)))
  (* (cbrt (/ x (- 1.0 x))) (cbrt (/ x (- 1.0 x))))
  (cbrt (/ x (- 1.0 x)))
  (* (* (/ x (- 1.0 x)) (/ x (- 1.0 x))) (/ x (- 1.0 x)))
  (sqrt (/ x (- 1.0 x)))
  (sqrt (/ x (- 1.0 x)))
  (- x)
  (- (- 1.0 x))
  (/ (* (cbrt x) (cbrt x)) (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))))
  (/ (cbrt x) (cbrt (- 1.0 x)))
  (/ (* (cbrt x) (cbrt x)) (sqrt (- 1.0 x)))
  (/ (cbrt x) (sqrt (- 1.0 x)))
  (/ (* (cbrt x) (cbrt x)) 1)
  (/ (cbrt x) (- 1.0 x))
  (/ (* (cbrt x) (cbrt x)) (+ (sqrt 1.0) (sqrt x)))
  (/ (cbrt x) (- (sqrt 1.0) (sqrt x)))
  (/ (* (cbrt x) (cbrt x)) 1)
  (/ (cbrt x) (- 1.0 x))
  (/ (sqrt x) (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))))
  (/ (sqrt x) (cbrt (- 1.0 x)))
  (/ (sqrt x) (sqrt (- 1.0 x)))
  (/ (sqrt x) (sqrt (- 1.0 x)))
  (/ (sqrt x) 1)
  (/ (sqrt x) (- 1.0 x))
  (/ (sqrt x) (+ (sqrt 1.0) (sqrt x)))
  (/ (sqrt x) (- (sqrt 1.0) (sqrt x)))
  (/ (sqrt x) 1)
  (/ (sqrt x) (- 1.0 x))
  (/ 1 (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))))
  (/ x (cbrt (- 1.0 x)))
  (/ 1 (sqrt (- 1.0 x)))
  (/ x (sqrt (- 1.0 x)))
  (/ 1 1)
  (/ x (- 1.0 x))
  (/ 1 (+ (sqrt 1.0) (sqrt x)))
  (/ x (- (sqrt 1.0) (sqrt x)))
  (/ 1 1)
  (/ x (- 1.0 x))
  (/ 1 (- 1.0 x))
  (/ (- 1.0 x) x)
  (/ x (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))))
  (/ x (sqrt (- 1.0 x)))
  (/ x 1)
  (/ x (+ (sqrt 1.0) (sqrt x)))
  (/ x 1)
  (/ (- 1.0 x) (cbrt x))
  (/ (- 1.0 x) (sqrt x))
  (/ (- 1.0 x) x)
  (/ x (- (pow 1.0 3) (pow x 3)))
  (/ x (- (* 1.0 1.0) (* x x)))
  (+ (* 1.0 (pow x 2)) (+ (* 1.0 (pow x 3)) (* 1.0 x)))
  (- (+ (* 1.0 (/ 1 (pow x 2))) (+ (* 1.0 (/ 1 x)) 1)))
  (- (+ (* 1.0 (/ 1 (pow x 2))) (+ (* 1.0 (/ 1 x)) 1)))
0.062 * * [simplify]: iteration  0 :  84  enodes  (cost  436 )
0.078 * * [simplify]: iteration  1 :  174  enodes  (cost  410 )
0.124 * * [simplify]: iteration  2 :  426  enodes  (cost  387 )
0.303 * * [simplify]: iteration  3 :  1082  enodes  (cost  384 )
1.390 * * [simplify]: iteration  4 :  3263  enodes  (cost  382 )
2.232 * * [simplify]: iteration  done :  5000  enodes  (cost  382 )
2.232 * [simplify]: Simplified to:
   (expm1 (/ x (- 1.0 x)))
  (log1p (/ x (- 1.0 x)))
  (log (/ x (- 1.0 x)))
  (log (/ x (- 1.0 x)))
  (exp (/ x (- 1.0 x)))
  (pow (/ x (- 1.0 x)) 3)
  (* (cbrt (/ x (- 1.0 x))) (cbrt (/ x (- 1.0 x))))
  (cbrt (/ x (- 1.0 x)))
  (pow (/ x (- 1.0 x)) 3)
  (sqrt (/ x (- 1.0 x)))
  (sqrt (/ x (- 1.0 x)))
  (- x)
  (- x 1.0)
  (/ (* (cbrt x) (cbrt x)) (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))))
  (/ (cbrt x) (cbrt (- 1.0 x)))
  (/ (* (cbrt x) (cbrt x)) (sqrt (- 1.0 x)))
  (/ (cbrt x) (sqrt (- 1.0 x)))
  (* (cbrt x) (cbrt x))
  (/ (cbrt x) (- 1.0 x))
  (/ (* (cbrt x) (cbrt x)) (+ (sqrt 1.0) (sqrt x)))
  (/ (cbrt x) (- (sqrt 1.0) (sqrt x)))
  (* (cbrt x) (cbrt x))
  (/ (cbrt x) (- 1.0 x))
  (/ (sqrt x) (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))))
  (/ (sqrt x) (cbrt (- 1.0 x)))
  (/ (sqrt x) (sqrt (- 1.0 x)))
  (/ (sqrt x) (sqrt (- 1.0 x)))
  (sqrt x)
  (/ (sqrt x) (- 1.0 x))
  (/ (sqrt x) (+ (sqrt 1.0) (sqrt x)))
  (/ (sqrt x) (- (sqrt 1.0) (sqrt x)))
  (sqrt x)
  (/ (sqrt x) (- 1.0 x))
  (/ 1 (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))))
  (/ x (cbrt (- 1.0 x)))
  (/ 1 (sqrt (- 1.0 x)))
  (/ x (sqrt (- 1.0 x)))
  1
  (/ x (- 1.0 x))
  (/ 1 (+ (sqrt 1.0) (sqrt x)))
  (/ x (- (sqrt 1.0) (sqrt x)))
  1
  (/ x (- 1.0 x))
  (/ 1 (- 1.0 x))
  (+ (/ 1.0 x) -1)
  (/ x (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))))
  (/ x (sqrt (- 1.0 x)))
  x
  (/ x (+ (sqrt 1.0) (sqrt x)))
  x
  (/ (- 1.0 x) (cbrt x))
  (/ (- 1.0 x) (sqrt x))
  (+ (/ 1.0 x) -1)
  (/ x (- (pow 1.0 3) (pow x 3)))
  (/ x (- (* 1.0 1.0) (* x x)))
  (* 1.0 (fma x (fma x x x) x))
  (- (- -1 (/ 1.0 x)) (/ 1.0 (* x x)))
  (- (- -1 (/ 1.0 x)) (/ 1.0 (* x x)))
2.233 * * * [progress]: adding candidates to table
2.313 * * [progress]: iteration 2 / 4
2.313 * * * [progress]: picking best candidate
2.314 * * * * [pick]: Picked  #<alt (λ (x) (* 1.0 (fma x (fma x x x) x)))>
2.314 * * * [progress]: localizing error
2.320 * * * [progress]: generating rewritten candidates
2.320 * * * * [progress]: [ 1 / 1 ] rewriting at (2 2)
2.321 * * * [progress]: generating series expansions
2.321 * * * * [progress]: [ 1 / 1 ] generating series at (2 2)
2.321 * [approximate]: Taking taylor expansion of (fma x (fma x x x) x) in (x) around 0
2.321 * [taylor]: Taking taylor expansion of (fma x (fma x x x) x) in x
2.321 * [taylor]: Rewrote expression to (+ (* x (fma x x x)) x)
2.321 * [taylor]: Taking taylor expansion of (* x (fma x x x)) in x
2.321 * [taylor]: Taking taylor expansion of x in x
2.321 * [taylor]: Taking taylor expansion of (fma x x x) in x
2.321 * [taylor]: Rewrote expression to (+ (* x x) x)
2.321 * [taylor]: Taking taylor expansion of (* x x) in x
2.321 * [taylor]: Taking taylor expansion of x in x
2.321 * [taylor]: Taking taylor expansion of x in x
2.321 * [taylor]: Taking taylor expansion of x in x
2.321 * [taylor]: Taking taylor expansion of x in x
2.321 * [taylor]: Taking taylor expansion of (fma x (fma x x x) x) in x
2.321 * [taylor]: Rewrote expression to (+ (* x (fma x x x)) x)
2.321 * [taylor]: Taking taylor expansion of (* x (fma x x x)) in x
2.321 * [taylor]: Taking taylor expansion of x in x
2.321 * [taylor]: Taking taylor expansion of (fma x x x) in x
2.321 * [taylor]: Rewrote expression to (+ (* x x) x)
2.321 * [taylor]: Taking taylor expansion of (* x x) in x
2.321 * [taylor]: Taking taylor expansion of x in x
2.321 * [taylor]: Taking taylor expansion of x in x
2.321 * [taylor]: Taking taylor expansion of x in x
2.321 * [taylor]: Taking taylor expansion of x in x
2.327 * [approximate]: Taking taylor expansion of (fma (/ 1 x) (fma (/ 1 x) (/ 1 x) (/ 1 x)) (/ 1 x)) in (x) around 0
2.327 * [taylor]: Taking taylor expansion of (fma (/ 1 x) (fma (/ 1 x) (/ 1 x) (/ 1 x)) (/ 1 x)) in x
2.327 * [taylor]: Rewrote expression to (+ (* (/ 1 x) (fma (/ 1 x) (/ 1 x) (/ 1 x))) (/ 1 x))
2.327 * [taylor]: Taking taylor expansion of (* (/ 1 x) (fma (/ 1 x) (/ 1 x) (/ 1 x))) in x
2.327 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.327 * [taylor]: Taking taylor expansion of x in x
2.327 * [taylor]: Taking taylor expansion of (fma (/ 1 x) (/ 1 x) (/ 1 x)) in x
2.327 * [taylor]: Rewrote expression to (+ (* (/ 1 x) (/ 1 x)) (/ 1 x))
2.327 * [taylor]: Taking taylor expansion of (* (/ 1 x) (/ 1 x)) in x
2.327 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.327 * [taylor]: Taking taylor expansion of x in x
2.328 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.328 * [taylor]: Taking taylor expansion of x in x
2.328 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.328 * [taylor]: Taking taylor expansion of x in x
2.328 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.328 * [taylor]: Taking taylor expansion of x in x
2.328 * [taylor]: Taking taylor expansion of (fma (/ 1 x) (fma (/ 1 x) (/ 1 x) (/ 1 x)) (/ 1 x)) in x
2.329 * [taylor]: Rewrote expression to (+ (* (/ 1 x) (fma (/ 1 x) (/ 1 x) (/ 1 x))) (/ 1 x))
2.329 * [taylor]: Taking taylor expansion of (* (/ 1 x) (fma (/ 1 x) (/ 1 x) (/ 1 x))) in x
2.329 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.329 * [taylor]: Taking taylor expansion of x in x
2.329 * [taylor]: Taking taylor expansion of (fma (/ 1 x) (/ 1 x) (/ 1 x)) in x
2.329 * [taylor]: Rewrote expression to (+ (* (/ 1 x) (/ 1 x)) (/ 1 x))
2.329 * [taylor]: Taking taylor expansion of (* (/ 1 x) (/ 1 x)) in x
2.329 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.329 * [taylor]: Taking taylor expansion of x in x
2.329 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.329 * [taylor]: Taking taylor expansion of x in x
2.330 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.330 * [taylor]: Taking taylor expansion of x in x
2.330 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.330 * [taylor]: Taking taylor expansion of x in x
2.337 * [approximate]: Taking taylor expansion of (fma (/ -1 x) (fma (/ -1 x) (/ -1 x) (/ -1 x)) (/ -1 x)) in (x) around 0
2.337 * [taylor]: Taking taylor expansion of (fma (/ -1 x) (fma (/ -1 x) (/ -1 x) (/ -1 x)) (/ -1 x)) in x
2.337 * [taylor]: Rewrote expression to (+ (* (/ -1 x) (fma (/ -1 x) (/ -1 x) (/ -1 x))) (/ -1 x))
2.337 * [taylor]: Taking taylor expansion of (* (/ -1 x) (fma (/ -1 x) (/ -1 x) (/ -1 x))) in x
2.337 * [taylor]: Taking taylor expansion of (/ -1 x) in x
2.337 * [taylor]: Taking taylor expansion of -1 in x
2.337 * [taylor]: Taking taylor expansion of x in x
2.337 * [taylor]: Taking taylor expansion of (fma (/ -1 x) (/ -1 x) (/ -1 x)) in x
2.337 * [taylor]: Rewrote expression to (+ (* (/ -1 x) (/ -1 x)) (/ -1 x))
2.338 * [taylor]: Taking taylor expansion of (* (/ -1 x) (/ -1 x)) in x
2.338 * [taylor]: Taking taylor expansion of (/ -1 x) in x
2.338 * [taylor]: Taking taylor expansion of -1 in x
2.338 * [taylor]: Taking taylor expansion of x in x
2.338 * [taylor]: Taking taylor expansion of (/ -1 x) in x
2.338 * [taylor]: Taking taylor expansion of -1 in x
2.338 * [taylor]: Taking taylor expansion of x in x
2.338 * [taylor]: Taking taylor expansion of (/ -1 x) in x
2.338 * [taylor]: Taking taylor expansion of -1 in x
2.338 * [taylor]: Taking taylor expansion of x in x
2.338 * [taylor]: Taking taylor expansion of (/ -1 x) in x
2.338 * [taylor]: Taking taylor expansion of -1 in x
2.339 * [taylor]: Taking taylor expansion of x in x
2.339 * [taylor]: Taking taylor expansion of (fma (/ -1 x) (fma (/ -1 x) (/ -1 x) (/ -1 x)) (/ -1 x)) in x
2.339 * [taylor]: Rewrote expression to (+ (* (/ -1 x) (fma (/ -1 x) (/ -1 x) (/ -1 x))) (/ -1 x))
2.339 * [taylor]: Taking taylor expansion of (* (/ -1 x) (fma (/ -1 x) (/ -1 x) (/ -1 x))) in x
2.339 * [taylor]: Taking taylor expansion of (/ -1 x) in x
2.339 * [taylor]: Taking taylor expansion of -1 in x
2.339 * [taylor]: Taking taylor expansion of x in x
2.339 * [taylor]: Taking taylor expansion of (fma (/ -1 x) (/ -1 x) (/ -1 x)) in x
2.339 * [taylor]: Rewrote expression to (+ (* (/ -1 x) (/ -1 x)) (/ -1 x))
2.339 * [taylor]: Taking taylor expansion of (* (/ -1 x) (/ -1 x)) in x
2.339 * [taylor]: Taking taylor expansion of (/ -1 x) in x
2.339 * [taylor]: Taking taylor expansion of -1 in x
2.339 * [taylor]: Taking taylor expansion of x in x
2.340 * [taylor]: Taking taylor expansion of (/ -1 x) in x
2.340 * [taylor]: Taking taylor expansion of -1 in x
2.340 * [taylor]: Taking taylor expansion of x in x
2.340 * [taylor]: Taking taylor expansion of (/ -1 x) in x
2.340 * [taylor]: Taking taylor expansion of -1 in x
2.340 * [taylor]: Taking taylor expansion of x in x
2.340 * [taylor]: Taking taylor expansion of (/ -1 x) in x
2.340 * [taylor]: Taking taylor expansion of -1 in x
2.340 * [taylor]: Taking taylor expansion of x in x
2.348 * * * [progress]: simplifying candidates
2.348 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (expm1 (fma x (fma x x x) x))
  (log1p (fma x (fma x x x) x))
  (* x (fma x x x))
  (log (fma x (fma x x x) x))
  (exp (fma x (fma x x x) x))
  (* (cbrt (fma x (fma x x x) x)) (cbrt (fma x (fma x x x) x)))
  (cbrt (fma x (fma x x x) x))
  (* (* (fma x (fma x x x) x) (fma x (fma x x x) x)) (fma x (fma x x x) x))
  (sqrt (fma x (fma x x x) x))
  (sqrt (fma x (fma x x x) x))
  (+ (pow x 2) (+ (pow x 3) x))
  (+ (pow x 2) (+ x (pow x 3)))
  (+ (pow x 2) (+ x (pow x 3)))
2.349 * * [simplify]: iteration  0 :  21  enodes  (cost  129 )
2.353 * * [simplify]: iteration  1 :  40  enodes  (cost  126 )
2.367 * * [simplify]: iteration  2 :  93  enodes  (cost  109 )
2.381 * * [simplify]: iteration  3 :  272  enodes  (cost  109 )
2.514 * * [simplify]: iteration  4 :  1179  enodes  (cost  109 )
3.908 * * [simplify]: iteration  done :  5001  enodes  (cost  109 )
3.909 * [simplify]: Simplified to:
   (expm1 (fma x (fma x x x) x))
  (log1p (fma x (fma x x x) x))
  (* x (fma x x x))
  (log (fma x (fma x x x) x))
  (exp (fma x (fma x x x) x))
  (* (cbrt (fma x (fma x x x) x)) (cbrt (fma x (fma x x x) x)))
  (cbrt (fma x (fma x x x) x))
  (pow (fma x (fma x x x) x) 3)
  (sqrt (fma x (fma x x x) x))
  (sqrt (fma x (fma x x x) x))
  (fma x (fma x x x) x)
  (fma x (fma x x x) x)
  (fma x (fma x x x) x)
3.909 * * * [progress]: adding candidates to table
3.933 * [progress]: [Phase 3 of 3] Extracting.
3.933 * * [regime]: Finding splitpoints for: (#<alt (λ (x) (* 1.0 (fma x (fma x x x) x)))> #<alt (λ (x) (/ x (- 1.0 x)))>)
3.934 * * * [regime-changes]: Trying 2 branch expressions: ((/ x (- 1.0 x)) x)
3.934 * * * * [regimes]: Trying to branch on (/ x (- 1.0 x)) from (#<alt (λ (x) (* 1.0 (fma x (fma x x x) x)))> #<alt (λ (x) (/ x (- 1.0 x)))>)
3.942 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x) (* 1.0 (fma x (fma x x x) x)))> #<alt (λ (x) (/ x (- 1.0 x)))>)
3.953 * * * [regime]: Found split indices: #<option (#s(si 1 255))>
3.953 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (/ x (- 1.0 x))
3.954 * * [simplify]: iteration  0 :  4  enodes  (cost  5 )
3.954 * * [simplify]: iteration  done :  4  enodes  (cost  5 )
3.954 * [simplify]: Simplified to:
   (/ x (- 1.0 x))
4.222 * [regime-testing]: Baseline error score: 0.006625828228528566
4.223 * [regime-testing]: Oracle error score: 0.002000250031253907
4.224 * [regime-testing]: End program error score: 0.006625828228528566