9.939 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.008 * * * [progress]: [2/2] Setting up program.
0.010 * [progress]: [Phase 2 of 3] Improving.
0.010 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (/ x (- 1.0 x))
0.011 * * [simplify]: iteration  0 :  4  enodes  (cost  5 )
0.011 * * [simplify]: iteration  1 :  6  enodes  (cost  5 )
0.012 * * [simplify]: iteration  2 :  7  enodes  (cost  5 )
0.013 * * [simplify]: iteration  done :  7  enodes  (cost  5 )
0.013 * [simplify]: Simplified to:
   (/ x (- 1.0 x))
0.013 * * [progress]: iteration 1 / 4
0.013 * * * [progress]: picking best candidate
0.014 * * * * [pick]: Picked  #<alt (λ (x) (/ x (- 1.0 x)))>
0.014 * * * [progress]: localizing error
0.020 * * * [progress]: generating rewritten candidates
0.020 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.027 * * * [progress]: generating series expansions
0.027 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.027 * [approximate]: Taking taylor expansion of (/ x (- 1.0 x)) in (x) around 0
0.027 * [taylor]: Taking taylor expansion of (/ x (- 1.0 x)) in x
0.027 * [taylor]: Taking taylor expansion of x in x
0.027 * [taylor]: Taking taylor expansion of (- 1.0 x) in x
0.027 * [taylor]: Taking taylor expansion of 1.0 in x
0.027 * [taylor]: Taking taylor expansion of x in x
0.028 * [taylor]: Taking taylor expansion of (/ x (- 1.0 x)) in x
0.028 * [taylor]: Taking taylor expansion of x in x
0.028 * [taylor]: Taking taylor expansion of (- 1.0 x) in x
0.028 * [taylor]: Taking taylor expansion of 1.0 in x
0.028 * [taylor]: Taking taylor expansion of x in x
0.034 * [approximate]: Taking taylor expansion of (/ 1 (* (- 1.0 (/ 1 x)) x)) in (x) around 0
0.034 * [taylor]: Taking taylor expansion of (/ 1 (* (- 1.0 (/ 1 x)) x)) in x
0.034 * [taylor]: Taking taylor expansion of (* (- 1.0 (/ 1 x)) x) in x
0.034 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
0.034 * [taylor]: Taking taylor expansion of 1.0 in x
0.034 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.034 * [taylor]: Taking taylor expansion of x in x
0.035 * [taylor]: Taking taylor expansion of x in x
0.037 * [taylor]: Taking taylor expansion of (/ 1 (* (- 1.0 (/ 1 x)) x)) in x
0.037 * [taylor]: Taking taylor expansion of (* (- 1.0 (/ 1 x)) x) in x
0.037 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
0.037 * [taylor]: Taking taylor expansion of 1.0 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 x in x
0.049 * [approximate]: Taking taylor expansion of (/ -1 (* (+ (/ 1 x) 1.0) x)) in (x) around 0
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
0.051 * [taylor]: Taking taylor expansion of (/ -1 (* (+ (/ 1 x) 1.0) x)) in x
0.051 * [taylor]: Taking taylor expansion of -1 in x
0.051 * [taylor]: Taking taylor expansion of (* (+ (/ 1 x) 1.0) x) in x
0.051 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
0.051 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.051 * [taylor]: Taking taylor expansion of x in x
0.052 * [taylor]: Taking taylor expansion of 1.0 in x
0.052 * [taylor]: Taking taylor expansion of x in x
0.062 * * * [progress]: simplifying candidates
0.063 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (- (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)))
0.065 * * [simplify]: iteration  0 :  82  enodes  (cost  424 )
0.079 * * [simplify]: iteration  1 :  167  enodes  (cost  403 )
0.125 * * [simplify]: iteration  2 :  481  enodes  (cost  375 )
0.399 * * [simplify]: iteration  3 :  2227  enodes  (cost  373 )
1.180 * * [simplify]: iteration  done :  5000  enodes  (cost  372 )
1.180 * [simplify]: Simplified to:
   (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) x)
  (/ 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) x)
  (/ x (- (pow 1.0 3) (pow x 3)))
  (/ x (- (* 1.0 1.0) (* x x)))
  (* 1.0 (+ (* x x) (+ (pow x 3) x)))
  (- (- -1 (/ 1.0 x)) (/ (/ 1.0 x) x))
  (- (- -1 (/ 1.0 x)) (/ (/ 1.0 x) x))
1.180 * * * [progress]: adding candidates to table
1.244 * * [progress]: iteration 2 / 4
1.244 * * * [progress]: picking best candidate
1.247 * * * * [pick]: Picked  #<alt (λ (x) (/ 1 (/ (- 1.0 x) x)))>
1.247 * * * [progress]: localizing error
1.251 * * * [progress]: generating rewritten candidates
1.251 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
1.269 * * * [progress]: generating series expansions
1.269 * * * * [progress]: [ 1 / 1 ] generating series at (2)
1.269 * [approximate]: Taking taylor expansion of (/ x (- 1.0 x)) in (x) around 0
1.269 * [taylor]: Taking taylor expansion of (/ x (- 1.0 x)) in x
1.269 * [taylor]: Taking taylor expansion of x in x
1.269 * [taylor]: Taking taylor expansion of (- 1.0 x) in x
1.269 * [taylor]: Taking taylor expansion of 1.0 in x
1.269 * [taylor]: Taking taylor expansion of x in x
1.271 * [taylor]: Taking taylor expansion of (/ x (- 1.0 x)) in x
1.271 * [taylor]: Taking taylor expansion of x in x
1.271 * [taylor]: Taking taylor expansion of (- 1.0 x) in x
1.271 * [taylor]: Taking taylor expansion of 1.0 in x
1.271 * [taylor]: Taking taylor expansion of x in x
1.277 * [approximate]: Taking taylor expansion of (/ 1 (* (- 1.0 (/ 1 x)) x)) in (x) around 0
1.277 * [taylor]: Taking taylor expansion of (/ 1 (* (- 1.0 (/ 1 x)) x)) in x
1.277 * [taylor]: Taking taylor expansion of (* (- 1.0 (/ 1 x)) x) in x
1.277 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
1.277 * [taylor]: Taking taylor expansion of 1.0 in x
1.277 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.277 * [taylor]: Taking taylor expansion of x in x
1.277 * [taylor]: Taking taylor expansion of x in x
1.279 * [taylor]: Taking taylor expansion of (/ 1 (* (- 1.0 (/ 1 x)) x)) in x
1.280 * [taylor]: Taking taylor expansion of (* (- 1.0 (/ 1 x)) x) in x
1.280 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
1.280 * [taylor]: Taking taylor expansion of 1.0 in x
1.280 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.280 * [taylor]: Taking taylor expansion of x in x
1.280 * [taylor]: Taking taylor expansion of x in x
1.291 * [approximate]: Taking taylor expansion of (/ -1 (* (+ (/ 1 x) 1.0) x)) in (x) around 0
1.291 * [taylor]: Taking taylor expansion of (/ -1 (* (+ (/ 1 x) 1.0) x)) in x
1.291 * [taylor]: Taking taylor expansion of -1 in x
1.292 * [taylor]: Taking taylor expansion of (* (+ (/ 1 x) 1.0) x) in x
1.292 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
1.292 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.292 * [taylor]: Taking taylor expansion of x in x
1.292 * [taylor]: Taking taylor expansion of 1.0 in x
1.292 * [taylor]: Taking taylor expansion of x in x
1.294 * [taylor]: Taking taylor expansion of (/ -1 (* (+ (/ 1 x) 1.0) x)) in x
1.294 * [taylor]: Taking taylor expansion of -1 in x
1.294 * [taylor]: Taking taylor expansion of (* (+ (/ 1 x) 1.0) x) in x
1.294 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
1.294 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.294 * [taylor]: Taking taylor expansion of x in x
1.294 * [taylor]: Taking taylor expansion of 1.0 in x
1.294 * [taylor]: Taking taylor expansion of x in x
1.305 * * * [progress]: simplifying candidates
1.306 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (- 1)
  (- (- (log (- 1.0 x)) (log x)))
  (- (log (/ (- 1.0 x) x)))
  (- 0 (- (log (- 1.0 x)) (log x)))
  (- 0 (log (/ (- 1.0 x) x)))
  (- (log 1) (- (log (- 1.0 x)) (log x)))
  (- (log 1) (log (/ (- 1.0 x) x)))
  (log (/ 1 (/ (- 1.0 x) x)))
  (exp (/ 1 (/ (- 1.0 x) x)))
  (/ (* (* 1 1) 1) (/ (* (* (- 1.0 x) (- 1.0 x)) (- 1.0 x)) (* (* x x) x)))
  (/ (* (* 1 1) 1) (* (* (/ (- 1.0 x) x) (/ (- 1.0 x) x)) (/ (- 1.0 x) x)))
  (* (cbrt (/ 1 (/ (- 1.0 x) x))) (cbrt (/ 1 (/ (- 1.0 x) x))))
  (cbrt (/ 1 (/ (- 1.0 x) x)))
  (* (* (/ 1 (/ (- 1.0 x) x)) (/ 1 (/ (- 1.0 x) x))) (/ 1 (/ (- 1.0 x) x)))
  (sqrt (/ 1 (/ (- 1.0 x) x)))
  (sqrt (/ 1 (/ (- 1.0 x) x)))
  (- 1)
  (- (/ (- 1.0 x) x))
  (/ (* (cbrt 1) (cbrt 1)) (* (cbrt (/ (- 1.0 x) x)) (cbrt (/ (- 1.0 x) x))))
  (/ (cbrt 1) (cbrt (/ (- 1.0 x) x)))
  (/ (* (cbrt 1) (cbrt 1)) (sqrt (/ (- 1.0 x) x)))
  (/ (cbrt 1) (sqrt (/ (- 1.0 x) x)))
  (/ (* (cbrt 1) (cbrt 1)) (/ (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))) (* (cbrt x) (cbrt x))))
  (/ (cbrt 1) (/ (cbrt (- 1.0 x)) (cbrt x)))
  (/ (* (cbrt 1) (cbrt 1)) (/ (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))) (sqrt x)))
  (/ (cbrt 1) (/ (cbrt (- 1.0 x)) (sqrt x)))
  (/ (* (cbrt 1) (cbrt 1)) (/ (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))) 1))
  (/ (cbrt 1) (/ (cbrt (- 1.0 x)) x))
  (/ (* (cbrt 1) (cbrt 1)) (/ (sqrt (- 1.0 x)) (* (cbrt x) (cbrt x))))
  (/ (cbrt 1) (/ (sqrt (- 1.0 x)) (cbrt x)))
  (/ (* (cbrt 1) (cbrt 1)) (/ (sqrt (- 1.0 x)) (sqrt x)))
  (/ (cbrt 1) (/ (sqrt (- 1.0 x)) (sqrt x)))
  (/ (* (cbrt 1) (cbrt 1)) (/ (sqrt (- 1.0 x)) 1))
  (/ (cbrt 1) (/ (sqrt (- 1.0 x)) x))
  (/ (* (cbrt 1) (cbrt 1)) (/ 1 (* (cbrt x) (cbrt x))))
  (/ (cbrt 1) (/ (- 1.0 x) (cbrt x)))
  (/ (* (cbrt 1) (cbrt 1)) (/ 1 (sqrt x)))
  (/ (cbrt 1) (/ (- 1.0 x) (sqrt x)))
  (/ (* (cbrt 1) (cbrt 1)) (/ 1 1))
  (/ (cbrt 1) (/ (- 1.0 x) x))
  (/ (* (cbrt 1) (cbrt 1)) (/ (+ (sqrt 1.0) (sqrt x)) (* (cbrt x) (cbrt x))))
  (/ (cbrt 1) (/ (- (sqrt 1.0) (sqrt x)) (cbrt x)))
  (/ (* (cbrt 1) (cbrt 1)) (/ (+ (sqrt 1.0) (sqrt x)) (sqrt x)))
  (/ (cbrt 1) (/ (- (sqrt 1.0) (sqrt x)) (sqrt x)))
  (/ (* (cbrt 1) (cbrt 1)) (/ (+ (sqrt 1.0) (sqrt x)) 1))
  (/ (cbrt 1) (/ (- (sqrt 1.0) (sqrt x)) x))
  (/ (* (cbrt 1) (cbrt 1)) (/ 1 (* (cbrt x) (cbrt x))))
  (/ (cbrt 1) (/ (- 1.0 x) (cbrt x)))
  (/ (* (cbrt 1) (cbrt 1)) (/ 1 (sqrt x)))
  (/ (cbrt 1) (/ (- 1.0 x) (sqrt x)))
  (/ (* (cbrt 1) (cbrt 1)) (/ 1 1))
  (/ (cbrt 1) (/ (- 1.0 x) x))
  (/ (* (cbrt 1) (cbrt 1)) 1)
  (/ (cbrt 1) (/ (- 1.0 x) x))
  (/ (* (cbrt 1) (cbrt 1)) (- 1.0 x))
  (/ (cbrt 1) (/ 1 x))
  (/ (sqrt 1) (* (cbrt (/ (- 1.0 x) x)) (cbrt (/ (- 1.0 x) x))))
  (/ (sqrt 1) (cbrt (/ (- 1.0 x) x)))
  (/ (sqrt 1) (sqrt (/ (- 1.0 x) x)))
  (/ (sqrt 1) (sqrt (/ (- 1.0 x) x)))
  (/ (sqrt 1) (/ (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))) (* (cbrt x) (cbrt x))))
  (/ (sqrt 1) (/ (cbrt (- 1.0 x)) (cbrt x)))
  (/ (sqrt 1) (/ (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))) (sqrt x)))
  (/ (sqrt 1) (/ (cbrt (- 1.0 x)) (sqrt x)))
  (/ (sqrt 1) (/ (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))) 1))
  (/ (sqrt 1) (/ (cbrt (- 1.0 x)) x))
  (/ (sqrt 1) (/ (sqrt (- 1.0 x)) (* (cbrt x) (cbrt x))))
  (/ (sqrt 1) (/ (sqrt (- 1.0 x)) (cbrt x)))
  (/ (sqrt 1) (/ (sqrt (- 1.0 x)) (sqrt x)))
  (/ (sqrt 1) (/ (sqrt (- 1.0 x)) (sqrt x)))
  (/ (sqrt 1) (/ (sqrt (- 1.0 x)) 1))
  (/ (sqrt 1) (/ (sqrt (- 1.0 x)) x))
  (/ (sqrt 1) (/ 1 (* (cbrt x) (cbrt x))))
  (/ (sqrt 1) (/ (- 1.0 x) (cbrt x)))
  (/ (sqrt 1) (/ 1 (sqrt x)))
  (/ (sqrt 1) (/ (- 1.0 x) (sqrt x)))
  (/ (sqrt 1) (/ 1 1))
  (/ (sqrt 1) (/ (- 1.0 x) x))
  (/ (sqrt 1) (/ (+ (sqrt 1.0) (sqrt x)) (* (cbrt x) (cbrt x))))
  (/ (sqrt 1) (/ (- (sqrt 1.0) (sqrt x)) (cbrt x)))
  (/ (sqrt 1) (/ (+ (sqrt 1.0) (sqrt x)) (sqrt x)))
  (/ (sqrt 1) (/ (- (sqrt 1.0) (sqrt x)) (sqrt x)))
  (/ (sqrt 1) (/ (+ (sqrt 1.0) (sqrt x)) 1))
  (/ (sqrt 1) (/ (- (sqrt 1.0) (sqrt x)) x))
  (/ (sqrt 1) (/ 1 (* (cbrt x) (cbrt x))))
  (/ (sqrt 1) (/ (- 1.0 x) (cbrt x)))
  (/ (sqrt 1) (/ 1 (sqrt x)))
  (/ (sqrt 1) (/ (- 1.0 x) (sqrt x)))
  (/ (sqrt 1) (/ 1 1))
  (/ (sqrt 1) (/ (- 1.0 x) x))
  (/ (sqrt 1) 1)
  (/ (sqrt 1) (/ (- 1.0 x) x))
  (/ (sqrt 1) (- 1.0 x))
  (/ (sqrt 1) (/ 1 x))
  (/ 1 (* (cbrt (/ (- 1.0 x) x)) (cbrt (/ (- 1.0 x) x))))
  (/ 1 (cbrt (/ (- 1.0 x) x)))
  (/ 1 (sqrt (/ (- 1.0 x) x)))
  (/ 1 (sqrt (/ (- 1.0 x) x)))
  (/ 1 (/ (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))) (* (cbrt x) (cbrt x))))
  (/ 1 (/ (cbrt (- 1.0 x)) (cbrt x)))
  (/ 1 (/ (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))) (sqrt x)))
  (/ 1 (/ (cbrt (- 1.0 x)) (sqrt x)))
  (/ 1 (/ (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))) 1))
  (/ 1 (/ (cbrt (- 1.0 x)) x))
  (/ 1 (/ (sqrt (- 1.0 x)) (* (cbrt x) (cbrt x))))
  (/ 1 (/ (sqrt (- 1.0 x)) (cbrt x)))
  (/ 1 (/ (sqrt (- 1.0 x)) (sqrt x)))
  (/ 1 (/ (sqrt (- 1.0 x)) (sqrt x)))
  (/ 1 (/ (sqrt (- 1.0 x)) 1))
  (/ 1 (/ (sqrt (- 1.0 x)) x))
  (/ 1 (/ 1 (* (cbrt x) (cbrt x))))
  (/ 1 (/ (- 1.0 x) (cbrt x)))
  (/ 1 (/ 1 (sqrt x)))
  (/ 1 (/ (- 1.0 x) (sqrt x)))
  (/ 1 (/ 1 1))
  (/ 1 (/ (- 1.0 x) x))
  (/ 1 (/ (+ (sqrt 1.0) (sqrt x)) (* (cbrt x) (cbrt x))))
  (/ 1 (/ (- (sqrt 1.0) (sqrt x)) (cbrt x)))
  (/ 1 (/ (+ (sqrt 1.0) (sqrt x)) (sqrt x)))
  (/ 1 (/ (- (sqrt 1.0) (sqrt x)) (sqrt x)))
  (/ 1 (/ (+ (sqrt 1.0) (sqrt x)) 1))
  (/ 1 (/ (- (sqrt 1.0) (sqrt x)) x))
  (/ 1 (/ 1 (* (cbrt x) (cbrt x))))
  (/ 1 (/ (- 1.0 x) (cbrt x)))
  (/ 1 (/ 1 (sqrt x)))
  (/ 1 (/ (- 1.0 x) (sqrt x)))
  (/ 1 (/ 1 1))
  (/ 1 (/ (- 1.0 x) x))
  (/ 1 1)
  (/ 1 (/ (- 1.0 x) x))
  (/ 1 (- 1.0 x))
  (/ 1 (/ 1 x))
  (/ 1 (/ (- 1.0 x) x))
  (/ (/ (- 1.0 x) x) 1)
  (/ 1 (* (cbrt (/ (- 1.0 x) x)) (cbrt (/ (- 1.0 x) x))))
  (/ 1 (sqrt (/ (- 1.0 x) x)))
  (/ 1 (/ (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))) (* (cbrt x) (cbrt x))))
  (/ 1 (/ (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))) (sqrt x)))
  (/ 1 (/ (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))) 1))
  (/ 1 (/ (sqrt (- 1.0 x)) (* (cbrt x) (cbrt x))))
  (/ 1 (/ (sqrt (- 1.0 x)) (sqrt x)))
  (/ 1 (/ (sqrt (- 1.0 x)) 1))
  (/ 1 (/ 1 (* (cbrt x) (cbrt x))))
  (/ 1 (/ 1 (sqrt x)))
  (/ 1 (/ 1 1))
  (/ 1 (/ (+ (sqrt 1.0) (sqrt x)) (* (cbrt x) (cbrt x))))
  (/ 1 (/ (+ (sqrt 1.0) (sqrt x)) (sqrt x)))
  (/ 1 (/ (+ (sqrt 1.0) (sqrt x)) 1))
  (/ 1 (/ 1 (* (cbrt x) (cbrt x))))
  (/ 1 (/ 1 (sqrt x)))
  (/ 1 (/ 1 1))
  (/ 1 1)
  (/ 1 (- 1.0 x))
  (/ (/ (- 1.0 x) x) (cbrt 1))
  (/ (/ (- 1.0 x) x) (sqrt 1))
  (/ (/ (- 1.0 x) x) 1)
  (/ 1 (- 1.0 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)))
1.311 * * [simplify]: iteration  0 :  181  enodes  (cost  1578 )
1.374 * * [simplify]: iteration  1 :  425  enodes  (cost  1271 )
1.496 * * [simplify]: iteration  2 :  1228  enodes  (cost  1088 )
2.118 * * [simplify]: iteration  done :  5001  enodes  (cost  1086 )
2.119 * [simplify]: Simplified to:
   -1
  (log (/ x (- 1.0 x)))
  (log (/ x (- 1.0 x)))
  (log (/ x (- 1.0 x)))
  (log (/ x (- 1.0 x)))
  (log (/ 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)
  (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)))
  -1
  (- (/ (- 1.0 x) x))
  (/ (/ 1 (cbrt (/ (- 1.0 x) x))) (cbrt (/ (- 1.0 x) x)))
  (/ 1 (cbrt (/ (- 1.0 x) x)))
  (/ 1 (sqrt (/ (- 1.0 x) x)))
  (/ 1 (sqrt (/ (- 1.0 x) x)))
  (/ (* (cbrt x) (cbrt x)) (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))))
  (/ 1 (/ (cbrt (- 1.0 x)) (cbrt x)))
  (/ (sqrt x) (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))))
  (/ (sqrt x) (cbrt (- 1.0 x)))
  (/ 1 (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))))
  (/ x (cbrt (- 1.0 x)))
  (/ (* (cbrt x) (cbrt x)) (sqrt (- 1.0 x)))
  (/ 1 (/ (sqrt (- 1.0 x)) (cbrt x)))
  (/ (sqrt x) (sqrt (- 1.0 x)))
  (/ (sqrt x) (sqrt (- 1.0 x)))
  (/ 1 (sqrt (- 1.0 x)))
  (/ x (sqrt (- 1.0 x)))
  (* (cbrt x) (cbrt x))
  (/ 1 (/ (- 1.0 x) (cbrt x)))
  (sqrt x)
  (/ (sqrt x) (- 1.0 x))
  1
  (/ x (- 1.0 x))
  (/ (* (cbrt x) (cbrt x)) (+ (sqrt x) (sqrt 1.0)))
  (/ 1 (/ (- (sqrt 1.0) (sqrt x)) (cbrt x)))
  (/ (sqrt x) (+ (sqrt x) (sqrt 1.0)))
  (/ (sqrt x) (- (sqrt 1.0) (sqrt x)))
  (/ 1 (+ (sqrt x) (sqrt 1.0)))
  (/ x (- (sqrt 1.0) (sqrt x)))
  (* (cbrt x) (cbrt x))
  (/ 1 (/ (- 1.0 x) (cbrt x)))
  (sqrt x)
  (/ (sqrt x) (- 1.0 x))
  1
  (/ x (- 1.0 x))
  1
  (/ x (- 1.0 x))
  (/ 1 (- 1.0 x))
  x
  (/ (/ 1 (cbrt (/ (- 1.0 x) x))) (cbrt (/ (- 1.0 x) x)))
  (/ 1 (cbrt (/ (- 1.0 x) x)))
  (/ 1 (sqrt (/ (- 1.0 x) x)))
  (/ 1 (sqrt (/ (- 1.0 x) x)))
  (/ (* (cbrt x) (cbrt x)) (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))))
  (/ 1 (/ (cbrt (- 1.0 x)) (cbrt x)))
  (/ (sqrt x) (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))))
  (/ (sqrt x) (cbrt (- 1.0 x)))
  (/ 1 (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))))
  (/ x (cbrt (- 1.0 x)))
  (/ (* (cbrt x) (cbrt x)) (sqrt (- 1.0 x)))
  (/ 1 (/ (sqrt (- 1.0 x)) (cbrt x)))
  (/ (sqrt x) (sqrt (- 1.0 x)))
  (/ (sqrt x) (sqrt (- 1.0 x)))
  (/ 1 (sqrt (- 1.0 x)))
  (/ x (sqrt (- 1.0 x)))
  (* (cbrt x) (cbrt x))
  (/ 1 (/ (- 1.0 x) (cbrt x)))
  (sqrt x)
  (/ (sqrt x) (- 1.0 x))
  1
  (/ x (- 1.0 x))
  (/ (* (cbrt x) (cbrt x)) (+ (sqrt x) (sqrt 1.0)))
  (/ 1 (/ (- (sqrt 1.0) (sqrt x)) (cbrt x)))
  (/ (sqrt x) (+ (sqrt x) (sqrt 1.0)))
  (/ (sqrt x) (- (sqrt 1.0) (sqrt x)))
  (/ 1 (+ (sqrt x) (sqrt 1.0)))
  (/ x (- (sqrt 1.0) (sqrt x)))
  (* (cbrt x) (cbrt x))
  (/ 1 (/ (- 1.0 x) (cbrt x)))
  (sqrt x)
  (/ (sqrt x) (- 1.0 x))
  1
  (/ x (- 1.0 x))
  1
  (/ x (- 1.0 x))
  (/ 1 (- 1.0 x))
  x
  (/ (/ 1 (cbrt (/ (- 1.0 x) x))) (cbrt (/ (- 1.0 x) x)))
  (/ 1 (cbrt (/ (- 1.0 x) x)))
  (/ 1 (sqrt (/ (- 1.0 x) x)))
  (/ 1 (sqrt (/ (- 1.0 x) x)))
  (/ (* (cbrt x) (cbrt x)) (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))))
  (/ 1 (/ (cbrt (- 1.0 x)) (cbrt x)))
  (/ (sqrt x) (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))))
  (/ (sqrt x) (cbrt (- 1.0 x)))
  (/ 1 (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))))
  (/ x (cbrt (- 1.0 x)))
  (/ (* (cbrt x) (cbrt x)) (sqrt (- 1.0 x)))
  (/ 1 (/ (sqrt (- 1.0 x)) (cbrt x)))
  (/ (sqrt x) (sqrt (- 1.0 x)))
  (/ (sqrt x) (sqrt (- 1.0 x)))
  (/ 1 (sqrt (- 1.0 x)))
  (/ x (sqrt (- 1.0 x)))
  (* (cbrt x) (cbrt x))
  (/ 1 (/ (- 1.0 x) (cbrt x)))
  (sqrt x)
  (/ (sqrt x) (- 1.0 x))
  1
  (/ x (- 1.0 x))
  (/ (* (cbrt x) (cbrt x)) (+ (sqrt x) (sqrt 1.0)))
  (/ 1 (/ (- (sqrt 1.0) (sqrt x)) (cbrt x)))
  (/ (sqrt x) (+ (sqrt x) (sqrt 1.0)))
  (/ (sqrt x) (- (sqrt 1.0) (sqrt x)))
  (/ 1 (+ (sqrt x) (sqrt 1.0)))
  (/ x (- (sqrt 1.0) (sqrt x)))
  (* (cbrt x) (cbrt x))
  (/ 1 (/ (- 1.0 x) (cbrt x)))
  (sqrt x)
  (/ (sqrt x) (- 1.0 x))
  1
  (/ x (- 1.0 x))
  1
  (/ x (- 1.0 x))
  (/ 1 (- 1.0 x))
  x
  (/ x (- 1.0 x))
  (/ (- 1.0 x) x)
  (/ (/ 1 (cbrt (/ (- 1.0 x) x))) (cbrt (/ (- 1.0 x) x)))
  (/ 1 (sqrt (/ (- 1.0 x) x)))
  (/ (* (cbrt x) (cbrt x)) (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))))
  (/ (sqrt x) (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))))
  (/ 1 (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))))
  (/ (* (cbrt x) (cbrt x)) (sqrt (- 1.0 x)))
  (/ (sqrt x) (sqrt (- 1.0 x)))
  (/ 1 (sqrt (- 1.0 x)))
  (* (cbrt x) (cbrt x))
  (sqrt x)
  1
  (/ (* (cbrt x) (cbrt x)) (+ (sqrt x) (sqrt 1.0)))
  (/ (sqrt x) (+ (sqrt x) (sqrt 1.0)))
  (/ 1 (+ (sqrt x) (sqrt 1.0)))
  (* (cbrt x) (cbrt x))
  (sqrt x)
  1
  1
  (/ 1 (- 1.0 x))
  (/ (- 1.0 x) x)
  (/ (- 1.0 x) x)
  (/ (- 1.0 x) x)
  (/ 1 (- 1.0 x))
  (* 1.0 (+ (* x x) (+ (pow x 3) x)))
  (- (- -1 (/ 1.0 x)) (/ 1.0 (* x x)))
  (- (- -1 (/ 1.0 x)) (/ 1.0 (* x x)))
2.120 * * * [progress]: adding candidates to table
2.210 * * [progress]: iteration 3 / 4
2.210 * * * [progress]: picking best candidate
2.212 * * * * [pick]: Picked  #<alt (λ (x) (* 1.0 (+ (* x x) (+ (pow x 3) x))))>
2.212 * * * [progress]: localizing error
2.219 * * * [progress]: generating rewritten candidates
2.219 * * * * [progress]: [ 1 / 2 ] rewriting at (2 2)
2.245 * * * * [progress]: [ 2 / 2 ] rewriting at (2 2 2)
2.254 * * * [progress]: generating series expansions
2.254 * * * * [progress]: [ 1 / 2 ] generating series at (2 2)
2.254 * [approximate]: Taking taylor expansion of (+ (pow x 2) (+ (pow x 3) x)) in (x) around 0
2.255 * [taylor]: Taking taylor expansion of (+ (pow x 2) (+ (pow x 3) x)) in x
2.255 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.255 * [taylor]: Taking taylor expansion of x in x
2.255 * [taylor]: Taking taylor expansion of (+ (pow x 3) x) in x
2.255 * [taylor]: Taking taylor expansion of (pow x 3) in x
2.255 * [taylor]: Taking taylor expansion of x in x
2.255 * [taylor]: Taking taylor expansion of x in x
2.255 * [taylor]: Taking taylor expansion of (+ (pow x 2) (+ (pow x 3) x)) in x
2.255 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.255 * [taylor]: Taking taylor expansion of x in x
2.255 * [taylor]: Taking taylor expansion of (+ (pow x 3) x) in x
2.255 * [taylor]: Taking taylor expansion of (pow x 3) in x
2.255 * [taylor]: Taking taylor expansion of x in x
2.255 * [taylor]: Taking taylor expansion of x in x
2.259 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (+ (/ 1 (pow x 3)) (/ 1 x))) in (x) around 0
2.259 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (+ (/ 1 (pow x 3)) (/ 1 x))) in x
2.259 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.259 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.259 * [taylor]: Taking taylor expansion of x in x
2.259 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 3)) (/ 1 x)) in x
2.260 * [taylor]: Taking taylor expansion of (/ 1 (pow x 3)) in x
2.260 * [taylor]: Taking taylor expansion of (pow x 3) in x
2.260 * [taylor]: Taking taylor expansion of x in x
2.260 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.260 * [taylor]: Taking taylor expansion of x in x
2.261 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (+ (/ 1 (pow x 3)) (/ 1 x))) in x
2.261 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.261 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.261 * [taylor]: Taking taylor expansion of x in x
2.261 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 3)) (/ 1 x)) in x
2.261 * [taylor]: Taking taylor expansion of (/ 1 (pow x 3)) in x
2.261 * [taylor]: Taking taylor expansion of (pow x 3) in x
2.261 * [taylor]: Taking taylor expansion of x in x
2.262 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.262 * [taylor]: Taking taylor expansion of x in x
2.268 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (+ (/ 1 (pow x 3)) (/ 1 x))) in (x) around 0
2.268 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (+ (/ 1 (pow x 3)) (/ 1 x))) in x
2.268 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.268 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.268 * [taylor]: Taking taylor expansion of x in x
2.268 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 3)) (/ 1 x)) in x
2.268 * [taylor]: Taking taylor expansion of (/ 1 (pow x 3)) in x
2.268 * [taylor]: Taking taylor expansion of (pow x 3) in x
2.268 * [taylor]: Taking taylor expansion of x in x
2.269 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.269 * [taylor]: Taking taylor expansion of x in x
2.269 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (+ (/ 1 (pow x 3)) (/ 1 x))) in x
2.269 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.269 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.269 * [taylor]: Taking taylor expansion of x in x
2.270 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 3)) (/ 1 x)) in x
2.270 * [taylor]: Taking taylor expansion of (/ 1 (pow x 3)) in x
2.270 * [taylor]: Taking taylor expansion of (pow x 3) in x
2.270 * [taylor]: Taking taylor expansion of x in x
2.271 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.271 * [taylor]: Taking taylor expansion of x in x
2.277 * * * * [progress]: [ 2 / 2 ] generating series at (2 2 2)
2.277 * [approximate]: Taking taylor expansion of (+ (pow x 3) x) in (x) around 0
2.277 * [taylor]: Taking taylor expansion of (+ (pow x 3) x) in x
2.277 * [taylor]: Taking taylor expansion of (pow x 3) in x
2.277 * [taylor]: Taking taylor expansion of x in x
2.277 * [taylor]: Taking taylor expansion of x in x
2.277 * [taylor]: Taking taylor expansion of (+ (pow x 3) x) in x
2.277 * [taylor]: Taking taylor expansion of (pow x 3) in x
2.277 * [taylor]: Taking taylor expansion of x in x
2.277 * [taylor]: Taking taylor expansion of x in x
2.288 * [approximate]: Taking taylor expansion of (+ (/ 1 x) (/ 1 (pow x 3))) in (x) around 0
2.288 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 (pow x 3))) in x
2.288 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.288 * [taylor]: Taking taylor expansion of x in x
2.288 * [taylor]: Taking taylor expansion of (/ 1 (pow x 3)) in x
2.288 * [taylor]: Taking taylor expansion of (pow x 3) in x
2.288 * [taylor]: Taking taylor expansion of x in x
2.289 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 (pow x 3))) in x
2.289 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.289 * [taylor]: Taking taylor expansion of x in x
2.289 * [taylor]: Taking taylor expansion of (/ 1 (pow x 3)) in x
2.289 * [taylor]: Taking taylor expansion of (pow x 3) in x
2.289 * [taylor]: Taking taylor expansion of x in x
2.313 * [approximate]: Taking taylor expansion of (- (+ (/ 1 x) (/ 1 (pow x 3)))) in (x) around 0
2.313 * [taylor]: Taking taylor expansion of (- (+ (/ 1 x) (/ 1 (pow x 3)))) in x
2.313 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 (pow x 3))) in x
2.313 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.313 * [taylor]: Taking taylor expansion of x in x
2.313 * [taylor]: Taking taylor expansion of (/ 1 (pow x 3)) in x
2.313 * [taylor]: Taking taylor expansion of (pow x 3) in x
2.313 * [taylor]: Taking taylor expansion of x in x
2.314 * [taylor]: Taking taylor expansion of (- (+ (/ 1 x) (/ 1 (pow x 3)))) in x
2.314 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 (pow x 3))) in x
2.314 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.314 * [taylor]: Taking taylor expansion of x in x
2.315 * [taylor]: Taking taylor expansion of (/ 1 (pow x 3)) in x
2.315 * [taylor]: Taking taylor expansion of (pow x 3) in x
2.315 * [taylor]: Taking taylor expansion of x in x
2.337 * * * [progress]: simplifying candidates
2.338 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (* (exp (* x x)) (* (exp (pow x 3)) (exp x)))
  (* (exp (* x x)) (exp (+ (pow x 3) x)))
  (log (+ (* x x) (+ (pow x 3) x)))
  (exp (+ (* x x) (+ (pow x 3) x)))
  (* (cbrt (+ (* x x) (+ (pow x 3) x))) (cbrt (+ (* x x) (+ (pow x 3) x))))
  (cbrt (+ (* x x) (+ (pow x 3) x)))
  (* (* (+ (* x x) (+ (pow x 3) x)) (+ (* x x) (+ (pow x 3) x))) (+ (* x x) (+ (pow x 3) x)))
  (sqrt (+ (* x x) (+ (pow x 3) x)))
  (sqrt (+ (* x x) (+ (pow x 3) x)))
  (+ (pow (* x x) 3) (pow (+ (pow x 3) x) 3))
  (+ (* (* x x) (* x x)) (- (* (+ (pow x 3) x) (+ (pow x 3) x)) (* (* x x) (+ (pow x 3) x))))
  (- (* (* x x) (* x x)) (* (+ (pow x 3) x) (+ (pow x 3) x)))
  (- (* x x) (+ (pow x 3) x))
  (+ x (+ (* x x) 1))
  (+ x (+ (* x x) 1))
  (+ (* x x) (pow x 3))
  (* (exp (pow x 3)) (exp x))
  (log (+ (pow x 3) x))
  (exp (+ (pow x 3) x))
  (* (cbrt (+ (pow x 3) x)) (cbrt (+ (pow x 3) x)))
  (cbrt (+ (pow x 3) x))
  (* (* (+ (pow x 3) x) (+ (pow x 3) x)) (+ (pow x 3) x))
  (sqrt (+ (pow x 3) x))
  (sqrt (+ (pow x 3) x))
  (+ (pow (pow x 3) 3) (pow x 3))
  (+ (* (pow x 3) (pow x 3)) (- (* x x) (* (pow x 3) x)))
  (- (* (pow x 3) (pow x 3)) (* x x))
  (- (pow x 3) x)
  (+ (pow x 3) x)
  (+ (* x x) 1)
  (+ (* x x) 1)
  (+ (pow x 2) (+ (pow x 3) x))
  (+ (pow x 2) (+ x (pow x 3)))
  (+ (pow x 2) (+ x (pow x 3)))
  (+ (pow x 3) x)
  (+ x (pow x 3))
  (+ x (pow x 3))
2.339 * * [simplify]: iteration  0 :  52  enodes  (cost  380 )
2.352 * * [simplify]: iteration  1 :  160  enodes  (cost  340 )
2.390 * * [simplify]: iteration  2 :  539  enodes  (cost  322 )
2.732 * * [simplify]: iteration  3 :  2437  enodes  (cost  322 )
3.757 * * [simplify]: iteration  done :  5001  enodes  (cost  322 )
3.758 * [simplify]: Simplified to:
   (exp (+ (* x x) (+ (pow x 3) x)))
  (exp (+ (* x x) (+ (pow x 3) x)))
  (log (+ (* x x) (+ (pow x 3) x)))
  (exp (+ (* x x) (+ (pow x 3) x)))
  (* (cbrt (+ (* x x) (+ (pow x 3) x))) (cbrt (+ (* x x) (+ (pow x 3) x))))
  (cbrt (+ (* x x) (+ (pow x 3) x)))
  (pow (+ (pow x 2) (+ x (pow x 3))) 3)
  (sqrt (+ (* x x) (+ (pow x 3) x)))
  (sqrt (+ (* x x) (+ (pow x 3) x)))
  (+ (pow (+ (pow x 3) x) 3) (pow x 6))
  (+ (pow x 4) (* (+ x (pow x 3)) (- (+ x (pow x 3)) (* x x))))
  (- (pow x 4) (* (+ (pow x 3) x) (+ (pow x 3) x)))
  (- (* x x) (+ (pow x 3) x))
  (+ x (+ (* x x) 1))
  (+ x (+ (* x x) 1))
  (* (+ 1 x) (* x x))
  (exp (+ (pow x 3) x))
  (log (+ (pow x 3) x))
  (exp (+ (pow x 3) x))
  (* (cbrt (+ (pow x 3) x)) (cbrt (+ (pow x 3) x)))
  (cbrt (+ (pow x 3) x))
  (pow (+ (pow x 3) x) 3)
  (sqrt (+ (pow x 3) x))
  (sqrt (+ (pow x 3) x))
  (+ (pow (pow x 3) 3) (pow x 3))
  (+ (pow x 6) (* x (- x (pow x 3))))
  (- (pow x 6) (* x x))
  (- (pow x 3) x)
  (+ x (pow x 3))
  (+ (* x x) 1)
  (+ (* x x) 1)
  (+ (pow x 2) (+ x (pow x 3)))
  (+ (pow x 2) (+ x (pow x 3)))
  (+ (pow x 2) (+ x (pow x 3)))
  (+ x (pow x 3))
  (+ x (pow x 3))
  (+ x (pow x 3))
3.758 * * * [progress]: adding candidates to table
3.823 * [progress]: [Phase 3 of 3] Extracting.
3.824 * * [regime]: Finding splitpoints for: (#<alt (λ (x) (/ 1 (/ (- 1.0 x) x)))> #<alt (λ (x) (* 1.0 (+ (* x x) (+ (pow x 3) x))))> #<alt (λ (x) (/ x (- 1.0 x)))>)
3.824 * * * [regime-changes]: Trying 2 branch expressions: ((/ x (- 1.0 x)) x)
3.824 * * * * [regimes]: Trying to branch on (/ x (- 1.0 x)) from (#<alt (λ (x) (/ 1 (/ (- 1.0 x) x)))> #<alt (λ (x) (* 1.0 (+ (* x x) (+ (pow x 3) x))))> #<alt (λ (x) (/ x (- 1.0 x)))>)
3.833 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x) (/ 1 (/ (- 1.0 x) x)))> #<alt (λ (x) (* 1.0 (+ (* x x) (+ (pow x 3) x))))> #<alt (λ (x) (/ x (- 1.0 x)))>)
3.845 * * * [regime]: Found split indices: #<option (#s(si 2 255))>
3.845 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (/ x (- 1.0 x))
3.845 * * [simplify]: iteration  0 :  4  enodes  (cost  5 )
3.845 * * [simplify]: iteration  done :  4  enodes  (cost  5 )
3.845 * [simplify]: Simplified to:
   (/ x (- 1.0 x))
4.105 * [regime-testing]: Baseline error score: 0.006625828228528566
4.106 * [regime-testing]: Oracle error score: 0.0017502187773471684
4.107 * [regime-testing]: End program error score: 0.006625828228528566