0.713 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.028 * * * [progress]: [2/2] Setting up program.
0.029 * [progress]: [Phase 2 of 3] Improving.
0.029 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (- (/ x0 (- 1.0 x1)) x0)
0.030 * * [simplify]: iteration  0 :  6  enodes  (cost  7 )
0.031 * * [simplify]: iteration  1 :  10  enodes  (cost  7 )
0.032 * * [simplify]: iteration  2 :  12  enodes  (cost  7 )
0.033 * * [simplify]: iteration  done :  12  enodes  (cost  7 )
0.033 * [simplify]: Simplified to:
   (- (/ x0 (- 1.0 x1)) x0)
0.033 * * [progress]: iteration 1 / 4
0.033 * * * [progress]: picking best candidate
0.034 * * * * [pick]: Picked  #<alt (λ (x0 x1) (- (/ x0 (- 1.0 x1)) x0))>
0.034 * * * [progress]: localizing error
0.039 * * * [progress]: generating rewritten candidates
0.039 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
0.243 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1)
0.250 * * * [progress]: generating series expansions
0.250 * * * * [progress]: [ 1 / 2 ] generating series at (2)
0.250 * [approximate]: Taking taylor expansion of (- (/ x0 (- 1.0 x1)) x0) in (x0 x1) around 0
0.250 * [taylor]: Taking taylor expansion of (- (/ x0 (- 1.0 x1)) x0) in x1
0.250 * [taylor]: Taking taylor expansion of (/ x0 (- 1.0 x1)) in x1
0.250 * [taylor]: Taking taylor expansion of x0 in x1
0.250 * [taylor]: Taking taylor expansion of (- 1.0 x1) in x1
0.250 * [taylor]: Taking taylor expansion of 1.0 in x1
0.250 * [taylor]: Taking taylor expansion of x1 in x1
0.251 * [taylor]: Taking taylor expansion of x0 in x1
0.251 * [taylor]: Taking taylor expansion of (- (/ x0 (- 1.0 x1)) x0) in x0
0.251 * [taylor]: Taking taylor expansion of (/ x0 (- 1.0 x1)) in x0
0.251 * [taylor]: Taking taylor expansion of x0 in x0
0.251 * [taylor]: Taking taylor expansion of (- 1.0 x1) in x0
0.251 * [taylor]: Taking taylor expansion of 1.0 in x0
0.251 * [taylor]: Taking taylor expansion of x1 in x0
0.251 * [taylor]: Taking taylor expansion of x0 in x0
0.251 * [taylor]: Taking taylor expansion of (- (/ x0 (- 1.0 x1)) x0) in x0
0.251 * [taylor]: Taking taylor expansion of (/ x0 (- 1.0 x1)) in x0
0.251 * [taylor]: Taking taylor expansion of x0 in x0
0.251 * [taylor]: Taking taylor expansion of (- 1.0 x1) in x0
0.251 * [taylor]: Taking taylor expansion of 1.0 in x0
0.251 * [taylor]: Taking taylor expansion of x1 in x0
0.251 * [taylor]: Taking taylor expansion of x0 in x0
0.252 * [taylor]: Taking taylor expansion of 0 in x1
0.252 * [taylor]: Taking taylor expansion of (- (/ 1 (- 1.0 x1)) 1) in x1
0.252 * [taylor]: Taking taylor expansion of (/ 1 (- 1.0 x1)) in x1
0.252 * [taylor]: Taking taylor expansion of (- 1.0 x1) in x1
0.252 * [taylor]: Taking taylor expansion of 1.0 in x1
0.252 * [taylor]: Taking taylor expansion of x1 in x1
0.253 * [taylor]: Taking taylor expansion of 1 in x1
0.254 * [taylor]: Taking taylor expansion of 0 in x1
0.258 * [taylor]: Taking taylor expansion of 0 in x1
0.261 * [taylor]: Taking taylor expansion of 0 in x1
0.265 * [approximate]: Taking taylor expansion of (- (/ 1 (* x0 (- 1.0 (/ 1 x1)))) (/ 1 x0)) in (x0 x1) around 0
0.265 * [taylor]: Taking taylor expansion of (- (/ 1 (* x0 (- 1.0 (/ 1 x1)))) (/ 1 x0)) in x1
0.265 * [taylor]: Taking taylor expansion of (/ 1 (* x0 (- 1.0 (/ 1 x1)))) in x1
0.265 * [taylor]: Taking taylor expansion of (* x0 (- 1.0 (/ 1 x1))) in x1
0.265 * [taylor]: Taking taylor expansion of x0 in x1
0.265 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x1)) in x1
0.265 * [taylor]: Taking taylor expansion of 1.0 in x1
0.265 * [taylor]: Taking taylor expansion of (/ 1 x1) in x1
0.265 * [taylor]: Taking taylor expansion of x1 in x1
0.266 * [taylor]: Taking taylor expansion of (/ 1 x0) in x1
0.266 * [taylor]: Taking taylor expansion of x0 in x1
0.266 * [taylor]: Taking taylor expansion of (- (/ 1 (* x0 (- 1.0 (/ 1 x1)))) (/ 1 x0)) in x0
0.266 * [taylor]: Taking taylor expansion of (/ 1 (* x0 (- 1.0 (/ 1 x1)))) in x0
0.266 * [taylor]: Taking taylor expansion of (* x0 (- 1.0 (/ 1 x1))) in x0
0.266 * [taylor]: Taking taylor expansion of x0 in x0
0.266 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x1)) in x0
0.266 * [taylor]: Taking taylor expansion of 1.0 in x0
0.266 * [taylor]: Taking taylor expansion of (/ 1 x1) in x0
0.266 * [taylor]: Taking taylor expansion of x1 in x0
0.267 * [taylor]: Taking taylor expansion of (/ 1 x0) in x0
0.267 * [taylor]: Taking taylor expansion of x0 in x0
0.267 * [taylor]: Taking taylor expansion of (- (/ 1 (* x0 (- 1.0 (/ 1 x1)))) (/ 1 x0)) in x0
0.267 * [taylor]: Taking taylor expansion of (/ 1 (* x0 (- 1.0 (/ 1 x1)))) in x0
0.267 * [taylor]: Taking taylor expansion of (* x0 (- 1.0 (/ 1 x1))) in x0
0.267 * [taylor]: Taking taylor expansion of x0 in x0
0.267 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x1)) in x0
0.267 * [taylor]: Taking taylor expansion of 1.0 in x0
0.267 * [taylor]: Taking taylor expansion of (/ 1 x1) in x0
0.267 * [taylor]: Taking taylor expansion of x1 in x0
0.268 * [taylor]: Taking taylor expansion of (/ 1 x0) in x0
0.268 * [taylor]: Taking taylor expansion of x0 in x0
0.269 * [taylor]: Taking taylor expansion of (- (/ 1 (- 1.0 (/ 1 x1))) 1) in x1
0.269 * [taylor]: Taking taylor expansion of (/ 1 (- 1.0 (/ 1 x1))) in x1
0.269 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x1)) in x1
0.269 * [taylor]: Taking taylor expansion of 1.0 in x1
0.269 * [taylor]: Taking taylor expansion of (/ 1 x1) in x1
0.269 * [taylor]: Taking taylor expansion of x1 in x1
0.270 * [taylor]: Taking taylor expansion of 1 in x1
0.272 * [taylor]: Taking taylor expansion of 0 in x1
0.275 * [taylor]: Taking taylor expansion of 0 in x1
0.279 * [approximate]: Taking taylor expansion of (- (/ 1 x0) (/ 1 (* x0 (+ (/ 1 x1) 1.0)))) in (x0 x1) around 0
0.279 * [taylor]: Taking taylor expansion of (- (/ 1 x0) (/ 1 (* x0 (+ (/ 1 x1) 1.0)))) in x1
0.279 * [taylor]: Taking taylor expansion of (/ 1 x0) in x1
0.279 * [taylor]: Taking taylor expansion of x0 in x1
0.279 * [taylor]: Taking taylor expansion of (/ 1 (* x0 (+ (/ 1 x1) 1.0))) in x1
0.279 * [taylor]: Taking taylor expansion of (* x0 (+ (/ 1 x1) 1.0)) in x1
0.279 * [taylor]: Taking taylor expansion of x0 in x1
0.279 * [taylor]: Taking taylor expansion of (+ (/ 1 x1) 1.0) in x1
0.279 * [taylor]: Taking taylor expansion of (/ 1 x1) in x1
0.279 * [taylor]: Taking taylor expansion of x1 in x1
0.280 * [taylor]: Taking taylor expansion of 1.0 in x1
0.280 * [taylor]: Taking taylor expansion of (- (/ 1 x0) (/ 1 (* x0 (+ (/ 1 x1) 1.0)))) in x0
0.280 * [taylor]: Taking taylor expansion of (/ 1 x0) in x0
0.280 * [taylor]: Taking taylor expansion of x0 in x0
0.280 * [taylor]: Taking taylor expansion of (/ 1 (* x0 (+ (/ 1 x1) 1.0))) in x0
0.280 * [taylor]: Taking taylor expansion of (* x0 (+ (/ 1 x1) 1.0)) in x0
0.280 * [taylor]: Taking taylor expansion of x0 in x0
0.280 * [taylor]: Taking taylor expansion of (+ (/ 1 x1) 1.0) in x0
0.280 * [taylor]: Taking taylor expansion of (/ 1 x1) in x0
0.280 * [taylor]: Taking taylor expansion of x1 in x0
0.280 * [taylor]: Taking taylor expansion of 1.0 in x0
0.281 * [taylor]: Taking taylor expansion of (- (/ 1 x0) (/ 1 (* x0 (+ (/ 1 x1) 1.0)))) in x0
0.281 * [taylor]: Taking taylor expansion of (/ 1 x0) in x0
0.281 * [taylor]: Taking taylor expansion of x0 in x0
0.281 * [taylor]: Taking taylor expansion of (/ 1 (* x0 (+ (/ 1 x1) 1.0))) in x0
0.281 * [taylor]: Taking taylor expansion of (* x0 (+ (/ 1 x1) 1.0)) in x0
0.281 * [taylor]: Taking taylor expansion of x0 in x0
0.281 * [taylor]: Taking taylor expansion of (+ (/ 1 x1) 1.0) in x0
0.281 * [taylor]: Taking taylor expansion of (/ 1 x1) in x0
0.281 * [taylor]: Taking taylor expansion of x1 in x0
0.281 * [taylor]: Taking taylor expansion of 1.0 in x0
0.282 * [taylor]: Taking taylor expansion of (- 1 (/ 1 (+ (/ 1 x1) 1.0))) in x1
0.282 * [taylor]: Taking taylor expansion of 1 in x1
0.282 * [taylor]: Taking taylor expansion of (/ 1 (+ (/ 1 x1) 1.0)) in x1
0.282 * [taylor]: Taking taylor expansion of (+ (/ 1 x1) 1.0) in x1
0.282 * [taylor]: Taking taylor expansion of (/ 1 x1) in x1
0.282 * [taylor]: Taking taylor expansion of x1 in x1
0.283 * [taylor]: Taking taylor expansion of 1.0 in x1
0.285 * [taylor]: Taking taylor expansion of 0 in x1
0.288 * [taylor]: Taking taylor expansion of 0 in x1
0.291 * * * * [progress]: [ 2 / 2 ] generating series at (2 1)
0.291 * [approximate]: Taking taylor expansion of (/ x0 (- 1.0 x1)) in (x0 x1) around 0
0.291 * [taylor]: Taking taylor expansion of (/ x0 (- 1.0 x1)) in x1
0.291 * [taylor]: Taking taylor expansion of x0 in x1
0.291 * [taylor]: Taking taylor expansion of (- 1.0 x1) in x1
0.291 * [taylor]: Taking taylor expansion of 1.0 in x1
0.291 * [taylor]: Taking taylor expansion of x1 in x1
0.291 * [taylor]: Taking taylor expansion of (/ x0 (- 1.0 x1)) in x0
0.291 * [taylor]: Taking taylor expansion of x0 in x0
0.291 * [taylor]: Taking taylor expansion of (- 1.0 x1) in x0
0.291 * [taylor]: Taking taylor expansion of 1.0 in x0
0.291 * [taylor]: Taking taylor expansion of x1 in x0
0.292 * [taylor]: Taking taylor expansion of (/ x0 (- 1.0 x1)) in x0
0.292 * [taylor]: Taking taylor expansion of x0 in x0
0.292 * [taylor]: Taking taylor expansion of (- 1.0 x1) in x0
0.292 * [taylor]: Taking taylor expansion of 1.0 in x0
0.292 * [taylor]: Taking taylor expansion of x1 in x0
0.292 * [taylor]: Taking taylor expansion of (/ 1 (- 1.0 x1)) in x1
0.292 * [taylor]: Taking taylor expansion of (- 1.0 x1) in x1
0.292 * [taylor]: Taking taylor expansion of 1.0 in x1
0.292 * [taylor]: Taking taylor expansion of x1 in x1
0.293 * [taylor]: Taking taylor expansion of 0 in x1
0.295 * [taylor]: Taking taylor expansion of 0 in x1
0.301 * [approximate]: Taking taylor expansion of (/ 1 (* x0 (- 1.0 (/ 1 x1)))) in (x0 x1) around 0
0.301 * [taylor]: Taking taylor expansion of (/ 1 (* x0 (- 1.0 (/ 1 x1)))) in x1
0.301 * [taylor]: Taking taylor expansion of (* x0 (- 1.0 (/ 1 x1))) in x1
0.301 * [taylor]: Taking taylor expansion of x0 in x1
0.301 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x1)) in x1
0.301 * [taylor]: Taking taylor expansion of 1.0 in x1
0.301 * [taylor]: Taking taylor expansion of (/ 1 x1) in x1
0.301 * [taylor]: Taking taylor expansion of x1 in x1
0.302 * [taylor]: Taking taylor expansion of (/ 1 (* x0 (- 1.0 (/ 1 x1)))) in x0
0.302 * [taylor]: Taking taylor expansion of (* x0 (- 1.0 (/ 1 x1))) in x0
0.302 * [taylor]: Taking taylor expansion of x0 in x0
0.302 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x1)) in x0
0.302 * [taylor]: Taking taylor expansion of 1.0 in x0
0.302 * [taylor]: Taking taylor expansion of (/ 1 x1) in x0
0.302 * [taylor]: Taking taylor expansion of x1 in x0
0.303 * [taylor]: Taking taylor expansion of (/ 1 (* x0 (- 1.0 (/ 1 x1)))) in x0
0.303 * [taylor]: Taking taylor expansion of (* x0 (- 1.0 (/ 1 x1))) in x0
0.303 * [taylor]: Taking taylor expansion of x0 in x0
0.303 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x1)) in x0
0.303 * [taylor]: Taking taylor expansion of 1.0 in x0
0.303 * [taylor]: Taking taylor expansion of (/ 1 x1) in x0
0.303 * [taylor]: Taking taylor expansion of x1 in x0
0.304 * [taylor]: Taking taylor expansion of (/ 1 (- 1.0 (/ 1 x1))) in x1
0.304 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x1)) in x1
0.304 * [taylor]: Taking taylor expansion of 1.0 in x1
0.304 * [taylor]: Taking taylor expansion of (/ 1 x1) in x1
0.304 * [taylor]: Taking taylor expansion of x1 in x1
0.306 * [taylor]: Taking taylor expansion of 0 in x1
0.310 * [taylor]: Taking taylor expansion of 0 in x1
0.315 * [approximate]: Taking taylor expansion of (/ -1 (* x0 (+ (/ 1 x1) 1.0))) in (x0 x1) around 0
0.315 * [taylor]: Taking taylor expansion of (/ -1 (* x0 (+ (/ 1 x1) 1.0))) in x1
0.315 * [taylor]: Taking taylor expansion of -1 in x1
0.315 * [taylor]: Taking taylor expansion of (* x0 (+ (/ 1 x1) 1.0)) in x1
0.315 * [taylor]: Taking taylor expansion of x0 in x1
0.315 * [taylor]: Taking taylor expansion of (+ (/ 1 x1) 1.0) in x1
0.315 * [taylor]: Taking taylor expansion of (/ 1 x1) in x1
0.315 * [taylor]: Taking taylor expansion of x1 in x1
0.315 * [taylor]: Taking taylor expansion of 1.0 in x1
0.315 * [taylor]: Taking taylor expansion of (/ -1 (* x0 (+ (/ 1 x1) 1.0))) in x0
0.315 * [taylor]: Taking taylor expansion of -1 in x0
0.315 * [taylor]: Taking taylor expansion of (* x0 (+ (/ 1 x1) 1.0)) in x0
0.315 * [taylor]: Taking taylor expansion of x0 in x0
0.315 * [taylor]: Taking taylor expansion of (+ (/ 1 x1) 1.0) in x0
0.315 * [taylor]: Taking taylor expansion of (/ 1 x1) in x0
0.315 * [taylor]: Taking taylor expansion of x1 in x0
0.315 * [taylor]: Taking taylor expansion of 1.0 in x0
0.316 * [taylor]: Taking taylor expansion of (/ -1 (* x0 (+ (/ 1 x1) 1.0))) in x0
0.316 * [taylor]: Taking taylor expansion of -1 in x0
0.316 * [taylor]: Taking taylor expansion of (* x0 (+ (/ 1 x1) 1.0)) in x0
0.316 * [taylor]: Taking taylor expansion of x0 in x0
0.316 * [taylor]: Taking taylor expansion of (+ (/ 1 x1) 1.0) in x0
0.316 * [taylor]: Taking taylor expansion of (/ 1 x1) in x0
0.316 * [taylor]: Taking taylor expansion of x1 in x0
0.316 * [taylor]: Taking taylor expansion of 1.0 in x0
0.317 * [taylor]: Taking taylor expansion of (/ -1 (+ (/ 1 x1) 1.0)) in x1
0.317 * [taylor]: Taking taylor expansion of -1 in x1
0.317 * [taylor]: Taking taylor expansion of (+ (/ 1 x1) 1.0) in x1
0.317 * [taylor]: Taking taylor expansion of (/ 1 x1) in x1
0.317 * [taylor]: Taking taylor expansion of x1 in x1
0.317 * [taylor]: Taking taylor expansion of 1.0 in x1
0.319 * [taylor]: Taking taylor expansion of 0 in x1
0.323 * [taylor]: Taking taylor expansion of 0 in x1
0.327 * * * [progress]: simplifying candidates
0.328 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (/ (exp (/ x0 (- 1.0 x1))) (exp x0))
  (log (- (/ x0 (- 1.0 x1)) x0))
  (exp (- (/ x0 (- 1.0 x1)) x0))
  (* (cbrt (- (/ x0 (- 1.0 x1)) x0)) (cbrt (- (/ x0 (- 1.0 x1)) x0)))
  (cbrt (- (/ x0 (- 1.0 x1)) x0))
  (* (* (- (/ x0 (- 1.0 x1)) x0) (- (/ x0 (- 1.0 x1)) x0)) (- (/ x0 (- 1.0 x1)) x0))
  (sqrt (- (/ x0 (- 1.0 x1)) x0))
  (sqrt (- (/ x0 (- 1.0 x1)) x0))
  (- (pow (/ x0 (- 1.0 x1)) 3) (pow x0 3))
  (+ (* (/ x0 (- 1.0 x1)) (/ x0 (- 1.0 x1))) (+ (* x0 x0) (* (/ x0 (- 1.0 x1)) x0)))
  (- x0)
  (- (* (/ x0 (- 1.0 x1)) (/ x0 (- 1.0 x1))) (* x0 x0))
  (+ (/ x0 (- 1.0 x1)) x0)
  (+ (sqrt (/ x0 (- 1.0 x1))) (sqrt x0))
  (- (sqrt (/ x0 (- 1.0 x1))) (sqrt x0))
  (+ (/ (sqrt x0) (sqrt (- 1.0 x1))) (sqrt x0))
  (- (/ (sqrt x0) (sqrt (- 1.0 x1))) (sqrt x0))
  (- (/ x0 (- 1.0 x1)) x0)
  (- x0)
  (- (log x0) (log (- 1.0 x1)))
  (log (/ x0 (- 1.0 x1)))
  (exp (/ x0 (- 1.0 x1)))
  (/ (* (* x0 x0) x0) (* (* (- 1.0 x1) (- 1.0 x1)) (- 1.0 x1)))
  (* (cbrt (/ x0 (- 1.0 x1))) (cbrt (/ x0 (- 1.0 x1))))
  (cbrt (/ x0 (- 1.0 x1)))
  (* (* (/ x0 (- 1.0 x1)) (/ x0 (- 1.0 x1))) (/ x0 (- 1.0 x1)))
  (sqrt (/ x0 (- 1.0 x1)))
  (sqrt (/ x0 (- 1.0 x1)))
  (- x0)
  (- (- 1.0 x1))
  (/ (* (cbrt x0) (cbrt x0)) (* (cbrt (- 1.0 x1)) (cbrt (- 1.0 x1))))
  (/ (cbrt x0) (cbrt (- 1.0 x1)))
  (/ (* (cbrt x0) (cbrt x0)) (sqrt (- 1.0 x1)))
  (/ (cbrt x0) (sqrt (- 1.0 x1)))
  (/ (* (cbrt x0) (cbrt x0)) 1)
  (/ (cbrt x0) (- 1.0 x1))
  (/ (* (cbrt x0) (cbrt x0)) (+ (sqrt 1.0) (sqrt x1)))
  (/ (cbrt x0) (- (sqrt 1.0) (sqrt x1)))
  (/ (* (cbrt x0) (cbrt x0)) 1)
  (/ (cbrt x0) (- 1.0 x1))
  (/ (sqrt x0) (* (cbrt (- 1.0 x1)) (cbrt (- 1.0 x1))))
  (/ (sqrt x0) (cbrt (- 1.0 x1)))
  (/ (sqrt x0) (sqrt (- 1.0 x1)))
  (/ (sqrt x0) (sqrt (- 1.0 x1)))
  (/ (sqrt x0) 1)
  (/ (sqrt x0) (- 1.0 x1))
  (/ (sqrt x0) (+ (sqrt 1.0) (sqrt x1)))
  (/ (sqrt x0) (- (sqrt 1.0) (sqrt x1)))
  (/ (sqrt x0) 1)
  (/ (sqrt x0) (- 1.0 x1))
  (/ 1 (* (cbrt (- 1.0 x1)) (cbrt (- 1.0 x1))))
  (/ x0 (cbrt (- 1.0 x1)))
  (/ 1 (sqrt (- 1.0 x1)))
  (/ x0 (sqrt (- 1.0 x1)))
  (/ 1 1)
  (/ x0 (- 1.0 x1))
  (/ 1 (+ (sqrt 1.0) (sqrt x1)))
  (/ x0 (- (sqrt 1.0) (sqrt x1)))
  (/ 1 1)
  (/ x0 (- 1.0 x1))
  (/ 1 (- 1.0 x1))
  (/ (- 1.0 x1) x0)
  (/ x0 (* (cbrt (- 1.0 x1)) (cbrt (- 1.0 x1))))
  (/ x0 (sqrt (- 1.0 x1)))
  (/ x0 1)
  (/ x0 (+ (sqrt 1.0) (sqrt x1)))
  (/ x0 1)
  (/ (- 1.0 x1) (cbrt x0))
  (/ (- 1.0 x1) (sqrt x0))
  (/ (- 1.0 x1) x0)
  (/ x0 (- (pow 1.0 3) (pow x1 3)))
  (/ x0 (- (* 1.0 1.0) (* x1 x1)))
  (+ (* 1.0 (* x0 (pow x1 2))) (+ (* 1.0 (* x0 x1)) (* 1.0 (* x0 (pow x1 3)))))
  (- (+ (* 1.0 (/ x0 (pow x1 2))) (+ (/ x0 x1) x0)))
  (- (+ (* 1.0 (/ x0 (pow x1 2))) (+ (/ x0 x1) x0)))
  (+ (* 1.0 (* x0 (pow x1 2))) (+ (* 1.0 (* x0 x1)) (* 1.0 x0)))
  (- (+ (* 1.0 (/ x0 (pow x1 2))) (+ (/ x0 x1) (* 1.0 (/ x0 (pow x1 3))))))
  (- (+ (* 1.0 (/ x0 (pow x1 2))) (+ (/ x0 x1) (* 1.0 (/ x0 (pow x1 3))))))
0.331 * * [simplify]: iteration  0 :  117  enodes  (cost  677 )
0.348 * * [simplify]: iteration  1 :  255  enodes  (cost  641 )
0.388 * * [simplify]: iteration  2 :  664  enodes  (cost  613 )