18.516 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.011 * * * [progress]: [2/2] Setting up program.
0.012 * [progress]: [Phase 2 of 3] Improving.
0.012 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (+ x 1.0) (- 1.0 x))
0.015 * * [simplify]: iteration  0 :  8  enodes  (cost  3 )
0.016 * * [simplify]: iteration  1 :  9  enodes  (cost  3 )
0.017 * * [simplify]: iteration  2 :  9  enodes  (cost  3 )
0.017 * [simplify]: Simplified to:
   (/ (+ x 1.0) (- 1.0 x))
0.018 * * [progress]: iteration 1 / 4
0.018 * * * [progress]: picking best candidate
0.019 * * * * [pick]: Picked  #<alt (λ (x) (/ (+ x 1.0) (- 1.0 x)))>
0.019 * * * [progress]: localizing error
0.026 * * * [progress]: generating rewritten candidates
0.026 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.036 * * * [progress]: generating series expansions
0.036 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.036 * [approximate]: Taking taylor expansion of (/ (+ x 1.0) (- 1.0 x)) in (x) around 0
0.036 * [taylor]: Taking taylor expansion of (/ (+ x 1.0) (- 1.0 x)) in x
0.036 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
0.036 * [taylor]: Taking taylor expansion of x in x
0.036 * [taylor]: Taking taylor expansion of 1.0 in x
0.036 * [taylor]: Taking taylor expansion of (- 1.0 x) in x
0.036 * [taylor]: Taking taylor expansion of 1.0 in x
0.036 * [taylor]: Taking taylor expansion of x in x
0.037 * [taylor]: Taking taylor expansion of (/ (+ x 1.0) (- 1.0 x)) in x
0.037 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
0.037 * [taylor]: Taking taylor expansion of x in x
0.037 * [taylor]: Taking taylor expansion of 1.0 in x
0.037 * [taylor]: Taking taylor expansion of (- 1.0 x) in x
0.037 * [taylor]: Taking taylor expansion of 1.0 in x
0.037 * [taylor]: Taking taylor expansion of x in x
0.044 * [approximate]: Taking taylor expansion of (/ (+ 1.0 (/ 1 x)) (- 1.0 (/ 1 x))) in (x) around 0
0.044 * [taylor]: Taking taylor expansion of (/ (+ 1.0 (/ 1 x)) (- 1.0 (/ 1 x))) in x
0.044 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
0.044 * [taylor]: Taking taylor expansion of 1.0 in x
0.044 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.044 * [taylor]: Taking taylor expansion of x in x
0.044 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
0.044 * [taylor]: Taking taylor expansion of 1.0 in x
0.044 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.044 * [taylor]: Taking taylor expansion of x in x
0.046 * [taylor]: Taking taylor expansion of (/ (+ 1.0 (/ 1 x)) (- 1.0 (/ 1 x))) in x
0.046 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
0.046 * [taylor]: Taking taylor expansion of 1.0 in x
0.046 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.046 * [taylor]: Taking taylor expansion of x in x
0.046 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
0.046 * [taylor]: Taking taylor expansion of 1.0 in x
0.046 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.046 * [taylor]: Taking taylor expansion of x in x
0.056 * [approximate]: Taking taylor expansion of (/ (- 1.0 (/ 1 x)) (+ (/ 1 x) 1.0)) in (x) around 0
0.056 * [taylor]: Taking taylor expansion of (/ (- 1.0 (/ 1 x)) (+ (/ 1 x) 1.0)) in x
0.056 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
0.056 * [taylor]: Taking taylor expansion of 1.0 in x
0.056 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.056 * [taylor]: Taking taylor expansion of x in x
0.056 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
0.056 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.056 * [taylor]: Taking taylor expansion of x in x
0.056 * [taylor]: Taking taylor expansion of 1.0 in x
0.057 * [taylor]: Taking taylor expansion of (/ (- 1.0 (/ 1 x)) (+ (/ 1 x) 1.0)) in x
0.057 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
0.057 * [taylor]: Taking taylor expansion of 1.0 in x
0.057 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.057 * [taylor]: Taking taylor expansion of x in x
0.058 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
0.058 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.058 * [taylor]: Taking taylor expansion of x in x
0.058 * [taylor]: Taking taylor expansion of 1.0 in x
0.067 * * * [progress]: simplifying candidates
0.067 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (expm1 (/ (+ x 1.0) (- 1.0 x)))
  (log1p (/ (+ x 1.0) (- 1.0 x)))
  (- (log (+ x 1.0)) (log (- 1.0 x)))
  (log (/ (+ x 1.0) (- 1.0 x)))
  (exp (/ (+ x 1.0) (- 1.0 x)))
  (/ (* (* (+ x 1.0) (+ x 1.0)) (+ x 1.0)) (* (* (- 1.0 x) (- 1.0 x)) (- 1.0 x)))
  (* (cbrt (/ (+ x 1.0) (- 1.0 x))) (cbrt (/ (+ x 1.0) (- 1.0 x))))
  (cbrt (/ (+ x 1.0) (- 1.0 x)))
  (* (* (/ (+ x 1.0) (- 1.0 x)) (/ (+ x 1.0) (- 1.0 x))) (/ (+ x 1.0) (- 1.0 x)))
  (sqrt (/ (+ x 1.0) (- 1.0 x)))
  (sqrt (/ (+ x 1.0) (- 1.0 x)))
  (- (+ x 1.0))
  (- (- 1.0 x))
  (/ (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))) (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))))
  (/ (cbrt (+ x 1.0)) (cbrt (- 1.0 x)))
  (/ (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))) (sqrt (- 1.0 x)))
  (/ (cbrt (+ x 1.0)) (sqrt (- 1.0 x)))
  (/ (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))) 1)
  (/ (cbrt (+ x 1.0)) (- 1.0 x))
  (/ (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))) (+ (sqrt 1.0) (sqrt x)))
  (/ (cbrt (+ x 1.0)) (- (sqrt 1.0) (sqrt x)))
  (/ (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))) 1)
  (/ (cbrt (+ x 1.0)) (- 1.0 x))
  (/ (sqrt (+ x 1.0)) (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))))
  (/ (sqrt (+ x 1.0)) (cbrt (- 1.0 x)))
  (/ (sqrt (+ x 1.0)) (sqrt (- 1.0 x)))
  (/ (sqrt (+ x 1.0)) (sqrt (- 1.0 x)))
  (/ (sqrt (+ x 1.0)) 1)
  (/ (sqrt (+ x 1.0)) (- 1.0 x))
  (/ (sqrt (+ x 1.0)) (+ (sqrt 1.0) (sqrt x)))
  (/ (sqrt (+ x 1.0)) (- (sqrt 1.0) (sqrt x)))
  (/ (sqrt (+ x 1.0)) 1)
  (/ (sqrt (+ x 1.0)) (- 1.0 x))
  (/ 1 (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))))
  (/ (+ x 1.0) (cbrt (- 1.0 x)))
  (/ 1 (sqrt (- 1.0 x)))
  (/ (+ x 1.0) (sqrt (- 1.0 x)))
  (/ 1 1)
  (/ (+ x 1.0) (- 1.0 x))
  (/ 1 (+ (sqrt 1.0) (sqrt x)))
  (/ (+ x 1.0) (- (sqrt 1.0) (sqrt x)))
  (/ 1 1)
  (/ (+ x 1.0) (- 1.0 x))
  (/ 1 (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))))
  (/ (+ x 1.0) (cbrt (- 1.0 x)))
  (/ 1 (sqrt (- 1.0 x)))
  (/ (+ x 1.0) (sqrt (- 1.0 x)))
  (/ 1 1)
  (/ (+ x 1.0) (- 1.0 x))
  (/ 1 (+ (sqrt 1.0) (sqrt x)))
  (/ (+ x 1.0) (- (sqrt 1.0) (sqrt x)))
  (/ 1 1)
  (/ (+ x 1.0) (- 1.0 x))
  (/ 1 (- 1.0 x))
  (/ (- 1.0 x) (+ x 1.0))
  (/ (+ x 1.0) (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))))
  (/ (+ x 1.0) (sqrt (- 1.0 x)))
  (/ (+ x 1.0) 1)
  (/ (+ x 1.0) (+ (sqrt 1.0) (sqrt x)))
  (/ (+ x 1.0) 1)
  (/ (- 1.0 x) (cbrt (+ x 1.0)))
  (/ (- 1.0 x) (sqrt (+ x 1.0)))
  (/ (- 1.0 x) (+ x 1.0))
  (/ (- 1.0 x) (+ x 1.0))
  (/ (+ x 1.0) (- (pow 1.0 3) (pow x 3)))
  (/ (+ x 1.0) (- (* 1.0 1.0) (* x x)))
  (* (- 1.0 x) (+ (* x x) (- (* 1.0 1.0) (* x 1.0))))
  (* (- 1.0 x) (- x 1.0))
  (+ (* 2.0 (pow x 2)) (+ (* 2.0 x) 1.0))
  (- (+ (* 2.0 (/ 1 (pow x 2))) (+ (* 2.0 (/ 1 x)) 1)))
  (- (+ (* 2.0 (/ 1 (pow x 2))) (+ (* 2.0 (/ 1 x)) 1)))
0.072 * * [simplify]: iteration  0 :  214  enodes  (cost  315 )
0.076 * * [simplify]: iteration  1 :  711  enodes  (cost  297 )
0.089 * * [simplify]: iteration  2 :  2979  enodes  (cost  293 )
0.153 * * [simplify]: iteration  3 :  5001  enodes  (cost  292 )
0.155 * [simplify]: Simplified to:
   (expm1 (/ (+ x 1.0) (- 1.0 x)))
  (log1p (/ (+ x 1.0) (- 1.0 x)))
  (log (/ (+ x 1.0) (- 1.0 x)))
  (log (/ (+ x 1.0) (- 1.0 x)))
  (exp (/ (+ x 1.0) (- 1.0 x)))
  (pow (/ (+ x 1.0) (- 1.0 x)) 3)
  (* (cbrt (/ (+ x 1.0) (- 1.0 x))) (cbrt (/ (+ x 1.0) (- 1.0 x))))
  (cbrt (/ (+ x 1.0) (- 1.0 x)))
  (pow (/ (+ x 1.0) (- 1.0 x)) 3)
  (sqrt (/ (+ x 1.0) (- 1.0 x)))
  (sqrt (/ (+ x 1.0) (- 1.0 x)))
  (- (+ x 1.0))
  (- x 1.0)
  (/ (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))) (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))))
  (/ (cbrt (+ x 1.0)) (cbrt (- 1.0 x)))
  (/ (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))) (sqrt (- 1.0 x)))
  (/ (cbrt (+ x 1.0)) (sqrt (- 1.0 x)))
  (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0)))
  (/ (cbrt (+ x 1.0)) (- 1.0 x))
  (/ (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))) (+ (sqrt 1.0) (sqrt x)))
  (/ (cbrt (+ x 1.0)) (- (sqrt 1.0) (sqrt x)))
  (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0)))
  (/ (cbrt (+ x 1.0)) (- 1.0 x))
  (/ (sqrt (+ x 1.0)) (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))))
  (/ (sqrt (+ x 1.0)) (cbrt (- 1.0 x)))
  (/ (sqrt (+ x 1.0)) (sqrt (- 1.0 x)))
  (/ (sqrt (+ x 1.0)) (sqrt (- 1.0 x)))
  (sqrt (+ x 1.0))
  (/ (sqrt (+ x 1.0)) (- 1.0 x))
  (/ (sqrt (+ x 1.0)) (+ (sqrt 1.0) (sqrt x)))
  (/ (sqrt (+ x 1.0)) (- (sqrt 1.0) (sqrt x)))
  (sqrt (+ x 1.0))
  (/ (sqrt (+ x 1.0)) (- 1.0 x))
  (/ 1 (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))))
  (/ (+ x 1.0) (cbrt (- 1.0 x)))
  (/ 1 (sqrt (- 1.0 x)))
  (/ (+ x 1.0) (sqrt (- 1.0 x)))
  1
  (/ (+ x 1.0) (- 1.0 x))
  (/ 1 (+ (sqrt 1.0) (sqrt x)))
  (/ (+ x 1.0) (- (sqrt 1.0) (sqrt x)))
  1
  (/ (+ x 1.0) (- 1.0 x))
  (/ 1 (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))))
  (/ (+ x 1.0) (cbrt (- 1.0 x)))
  (/ 1 (sqrt (- 1.0 x)))
  (/ (+ x 1.0) (sqrt (- 1.0 x)))
  1
  (/ (+ x 1.0) (- 1.0 x))
  (/ 1 (+ (sqrt 1.0) (sqrt x)))
  (/ (+ x 1.0) (- (sqrt 1.0) (sqrt x)))
  1
  (/ (+ x 1.0) (- 1.0 x))
  (/ 1 (- 1.0 x))
  (/ (- 1.0 x) (+ x 1.0))
  (/ (+ x 1.0) (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))))
  (/ (+ x 1.0) (sqrt (- 1.0 x)))
  (+ x 1.0)
  (/ (+ x 1.0) (+ (sqrt 1.0) (sqrt x)))
  (+ x 1.0)
  (/ (- 1.0 x) (cbrt (+ x 1.0)))
  (/ (- 1.0 x) (sqrt (+ x 1.0)))
  (/ (- 1.0 x) (+ x 1.0))
  (/ (- 1.0 x) (+ x 1.0))
  (/ (+ x 1.0) (- (pow 1.0 3) (pow x 3)))
  (/ 1 (- 1.0 x))
  (* (fma x x (- (* 1.0 1.0) (* x 1.0))) (- 1.0 x))
  (* (- 1.0 x) (- x 1.0))
  (fma (fma x x x) 2.0 1.0)
  (- (/ (- 2.0) (pow x 2)) (fma 2.0 (/ 1 x) 1))
  (- (/ (- 2.0) (pow x 2)) (fma 2.0 (/ 1 x) 1))
0.156 * * * [progress]: adding candidates to table
0.213 * * [progress]: iteration 2 / 4
0.213 * * * [progress]: picking best candidate
0.215 * * * * [pick]: Picked  #<alt (λ (x) (log (exp (/ (+ x 1.0) (- 1.0 x)))))>
0.215 * * * [progress]: localizing error
0.223 * * * [progress]: generating rewritten candidates
0.223 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
0.233 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1 1)
0.244 * * * [progress]: generating series expansions
0.244 * * * * [progress]: [ 1 / 2 ] generating series at (2)
0.245 * [approximate]: Taking taylor expansion of (/ (+ x 1.0) (- 1.0 x)) in (x) around 0
0.245 * [taylor]: Taking taylor expansion of (/ (+ x 1.0) (- 1.0 x)) in x
0.245 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
0.245 * [taylor]: Taking taylor expansion of x in x
0.245 * [taylor]: Taking taylor expansion of 1.0 in x
0.245 * [taylor]: Taking taylor expansion of (- 1.0 x) in x
0.245 * [taylor]: Taking taylor expansion of 1.0 in x
0.245 * [taylor]: Taking taylor expansion of x in x
0.246 * [taylor]: Taking taylor expansion of (/ (+ x 1.0) (- 1.0 x)) in x
0.246 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
0.246 * [taylor]: Taking taylor expansion of x in x
0.246 * [taylor]: Taking taylor expansion of 1.0 in x
0.246 * [taylor]: Taking taylor expansion of (- 1.0 x) in x
0.246 * [taylor]: Taking taylor expansion of 1.0 in x
0.246 * [taylor]: Taking taylor expansion of x in x
0.253 * [approximate]: Taking taylor expansion of (/ (+ 1.0 (/ 1 x)) (- 1.0 (/ 1 x))) in (x) around 0
0.253 * [taylor]: Taking taylor expansion of (/ (+ 1.0 (/ 1 x)) (- 1.0 (/ 1 x))) in x
0.253 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
0.253 * [taylor]: Taking taylor expansion of 1.0 in x
0.253 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.253 * [taylor]: Taking taylor expansion of x in x
0.253 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
0.253 * [taylor]: Taking taylor expansion of 1.0 in x
0.253 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.253 * [taylor]: Taking taylor expansion of x in x
0.257 * [taylor]: Taking taylor expansion of (/ (+ 1.0 (/ 1 x)) (- 1.0 (/ 1 x))) in x
0.257 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
0.257 * [taylor]: Taking taylor expansion of 1.0 in x
0.257 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.257 * [taylor]: Taking taylor expansion of x in x
0.258 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
0.258 * [taylor]: Taking taylor expansion of 1.0 in x
0.258 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.258 * [taylor]: Taking taylor expansion of x in x
0.268 * [approximate]: Taking taylor expansion of (/ (- 1.0 (/ 1 x)) (+ (/ 1 x) 1.0)) in (x) around 0
0.268 * [taylor]: Taking taylor expansion of (/ (- 1.0 (/ 1 x)) (+ (/ 1 x) 1.0)) in x
0.268 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
0.268 * [taylor]: Taking taylor expansion of 1.0 in x
0.268 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.268 * [taylor]: Taking taylor expansion of x in x
0.268 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
0.268 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.268 * [taylor]: Taking taylor expansion of x in x
0.268 * [taylor]: Taking taylor expansion of 1.0 in x
0.269 * [taylor]: Taking taylor expansion of (/ (- 1.0 (/ 1 x)) (+ (/ 1 x) 1.0)) in x
0.269 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
0.269 * [taylor]: Taking taylor expansion of 1.0 in x
0.269 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.269 * [taylor]: Taking taylor expansion of x in x
0.270 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
0.270 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.270 * [taylor]: Taking taylor expansion of x in x
0.270 * [taylor]: Taking taylor expansion of 1.0 in x
0.279 * * * * [progress]: [ 2 / 2 ] generating series at (2 1 1)
0.279 * [approximate]: Taking taylor expansion of (/ (+ x 1.0) (- 1.0 x)) in (x) around 0
0.279 * [taylor]: Taking taylor expansion of (/ (+ x 1.0) (- 1.0 x)) in x
0.279 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
0.279 * [taylor]: Taking taylor expansion of x in x
0.279 * [taylor]: Taking taylor expansion of 1.0 in x
0.279 * [taylor]: Taking taylor expansion of (- 1.0 x) in x
0.279 * [taylor]: Taking taylor expansion of 1.0 in x
0.279 * [taylor]: Taking taylor expansion of x in x
0.280 * [taylor]: Taking taylor expansion of (/ (+ x 1.0) (- 1.0 x)) in x
0.280 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
0.280 * [taylor]: Taking taylor expansion of x in x
0.280 * [taylor]: Taking taylor expansion of 1.0 in x
0.280 * [taylor]: Taking taylor expansion of (- 1.0 x) in x
0.280 * [taylor]: Taking taylor expansion of 1.0 in x
0.280 * [taylor]: Taking taylor expansion of x in x
0.287 * [approximate]: Taking taylor expansion of (/ (+ 1.0 (/ 1 x)) (- 1.0 (/ 1 x))) in (x) around 0
0.287 * [taylor]: Taking taylor expansion of (/ (+ 1.0 (/ 1 x)) (- 1.0 (/ 1 x))) in x
0.287 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
0.287 * [taylor]: Taking taylor expansion of 1.0 in x
0.287 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.287 * [taylor]: Taking taylor expansion of x in x
0.287 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
0.287 * [taylor]: Taking taylor expansion of 1.0 in x
0.287 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.287 * [taylor]: Taking taylor expansion of x in x
0.288 * [taylor]: Taking taylor expansion of (/ (+ 1.0 (/ 1 x)) (- 1.0 (/ 1 x))) in x
0.288 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
0.288 * [taylor]: Taking taylor expansion of 1.0 in x
0.288 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.288 * [taylor]: Taking taylor expansion of x in x
0.289 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
0.289 * [taylor]: Taking taylor expansion of 1.0 in x
0.289 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.289 * [taylor]: Taking taylor expansion of x in x
0.298 * [approximate]: Taking taylor expansion of (/ (- 1.0 (/ 1 x)) (+ (/ 1 x) 1.0)) in (x) around 0
0.298 * [taylor]: Taking taylor expansion of (/ (- 1.0 (/ 1 x)) (+ (/ 1 x) 1.0)) in x
0.298 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
0.298 * [taylor]: Taking taylor expansion of 1.0 in x
0.298 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.299 * [taylor]: Taking taylor expansion of x in x
0.299 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
0.299 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.299 * [taylor]: Taking taylor expansion of x in x
0.299 * [taylor]: Taking taylor expansion of 1.0 in x
0.300 * [taylor]: Taking taylor expansion of (/ (- 1.0 (/ 1 x)) (+ (/ 1 x) 1.0)) in x
0.300 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
0.300 * [taylor]: Taking taylor expansion of 1.0 in x
0.300 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.300 * [taylor]: Taking taylor expansion of x in x
0.300 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
0.300 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.300 * [taylor]: Taking taylor expansion of x in x
0.301 * [taylor]: Taking taylor expansion of 1.0 in x
0.309 * * * [progress]: simplifying candidates
0.311 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (expm1 (log (exp (/ (+ x 1.0) (- 1.0 x)))))
  (log1p (log (exp (/ (+ x 1.0) (- 1.0 x)))))
  (log (* (cbrt (exp (/ (+ x 1.0) (- 1.0 x)))) (cbrt (exp (/ (+ x 1.0) (- 1.0 x))))))
  (log (cbrt (exp (/ (+ x 1.0) (- 1.0 x)))))
  (log (sqrt (exp (/ (+ x 1.0) (- 1.0 x)))))
  (log (sqrt (exp (/ (+ x 1.0) (- 1.0 x)))))
  (log 1)
  (log (exp (/ (+ x 1.0) (- 1.0 x))))
  (log (exp (/ (+ x 1.0) (- 1.0 x))))
  (log (exp (* (cbrt (/ (+ x 1.0) (- 1.0 x))) (cbrt (/ (+ x 1.0) (- 1.0 x))))))
  (log (exp (sqrt (/ (+ x 1.0) (- 1.0 x)))))
  (log (exp (/ (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))) (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))))))
  (log (exp (/ (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))) (sqrt (- 1.0 x)))))
  (log (exp (/ (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))) 1)))
  (log (exp (/ (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))) (+ (sqrt 1.0) (sqrt x)))))
  (log (exp (/ (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))) 1)))
  (log (exp (/ (sqrt (+ x 1.0)) (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))))))
  (log (exp (/ (sqrt (+ x 1.0)) (sqrt (- 1.0 x)))))
  (log (exp (/ (sqrt (+ x 1.0)) 1)))
  (log (exp (/ (sqrt (+ x 1.0)) (+ (sqrt 1.0) (sqrt x)))))
  (log (exp (/ (sqrt (+ x 1.0)) 1)))
  (log (exp (/ 1 (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))))))
  (log (exp (/ 1 (sqrt (- 1.0 x)))))
  (log (exp (/ 1 1)))
  (log (exp (/ 1 (+ (sqrt 1.0) (sqrt x)))))
  (log (exp (/ 1 1)))
  (log (exp (/ 1 (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))))))
  (log (exp (/ 1 (sqrt (- 1.0 x)))))
  (log (exp (/ 1 1)))
  (log (exp (/ 1 (+ (sqrt 1.0) (sqrt x)))))
  (log (exp (/ 1 1)))
  (log (exp 1))
  (log (exp (+ x 1.0)))
  (log (exp (/ (+ x 1.0) (- (pow 1.0 3) (pow x 3)))))
  (log (exp (/ (+ x 1.0) (- (* 1.0 1.0) (* x x)))))
  (log (log (exp (/ (+ x 1.0) (- 1.0 x)))))
  (exp (log (exp (/ (+ x 1.0) (- 1.0 x)))))
  (* (cbrt (log (exp (/ (+ x 1.0) (- 1.0 x))))) (cbrt (log (exp (/ (+ x 1.0) (- 1.0 x))))))
  (cbrt (log (exp (/ (+ x 1.0) (- 1.0 x)))))
  (* (* (log (exp (/ (+ x 1.0) (- 1.0 x)))) (log (exp (/ (+ x 1.0) (- 1.0 x))))) (log (exp (/ (+ x 1.0) (- 1.0 x)))))
  (sqrt (log (exp (/ (+ x 1.0) (- 1.0 x)))))
  (sqrt (log (exp (/ (+ x 1.0) (- 1.0 x)))))
  (expm1 (/ (+ x 1.0) (- 1.0 x)))
  (log1p (/ (+ x 1.0) (- 1.0 x)))
  (- (log (+ x 1.0)) (log (- 1.0 x)))
  (log (/ (+ x 1.0) (- 1.0 x)))
  (exp (/ (+ x 1.0) (- 1.0 x)))
  (/ (* (* (+ x 1.0) (+ x 1.0)) (+ x 1.0)) (* (* (- 1.0 x) (- 1.0 x)) (- 1.0 x)))
  (* (cbrt (/ (+ x 1.0) (- 1.0 x))) (cbrt (/ (+ x 1.0) (- 1.0 x))))
  (cbrt (/ (+ x 1.0) (- 1.0 x)))
  (* (* (/ (+ x 1.0) (- 1.0 x)) (/ (+ x 1.0) (- 1.0 x))) (/ (+ x 1.0) (- 1.0 x)))
  (sqrt (/ (+ x 1.0) (- 1.0 x)))
  (sqrt (/ (+ x 1.0) (- 1.0 x)))
  (- (+ x 1.0))
  (- (- 1.0 x))
  (/ (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))) (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))))
  (/ (cbrt (+ x 1.0)) (cbrt (- 1.0 x)))
  (/ (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))) (sqrt (- 1.0 x)))
  (/ (cbrt (+ x 1.0)) (sqrt (- 1.0 x)))
  (/ (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))) 1)
  (/ (cbrt (+ x 1.0)) (- 1.0 x))
  (/ (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))) (+ (sqrt 1.0) (sqrt x)))
  (/ (cbrt (+ x 1.0)) (- (sqrt 1.0) (sqrt x)))
  (/ (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))) 1)
  (/ (cbrt (+ x 1.0)) (- 1.0 x))
  (/ (sqrt (+ x 1.0)) (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))))
  (/ (sqrt (+ x 1.0)) (cbrt (- 1.0 x)))
  (/ (sqrt (+ x 1.0)) (sqrt (- 1.0 x)))
  (/ (sqrt (+ x 1.0)) (sqrt (- 1.0 x)))
  (/ (sqrt (+ x 1.0)) 1)
  (/ (sqrt (+ x 1.0)) (- 1.0 x))
  (/ (sqrt (+ x 1.0)) (+ (sqrt 1.0) (sqrt x)))
  (/ (sqrt (+ x 1.0)) (- (sqrt 1.0) (sqrt x)))
  (/ (sqrt (+ x 1.0)) 1)
  (/ (sqrt (+ x 1.0)) (- 1.0 x))
  (/ 1 (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))))
  (/ (+ x 1.0) (cbrt (- 1.0 x)))
  (/ 1 (sqrt (- 1.0 x)))
  (/ (+ x 1.0) (sqrt (- 1.0 x)))
  (/ 1 1)
  (/ (+ x 1.0) (- 1.0 x))
  (/ 1 (+ (sqrt 1.0) (sqrt x)))
  (/ (+ x 1.0) (- (sqrt 1.0) (sqrt x)))
  (/ 1 1)
  (/ (+ x 1.0) (- 1.0 x))
  (/ 1 (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))))
  (/ (+ x 1.0) (cbrt (- 1.0 x)))
  (/ 1 (sqrt (- 1.0 x)))
  (/ (+ x 1.0) (sqrt (- 1.0 x)))
  (/ 1 1)
  (/ (+ x 1.0) (- 1.0 x))
  (/ 1 (+ (sqrt 1.0) (sqrt x)))
  (/ (+ x 1.0) (- (sqrt 1.0) (sqrt x)))
  (/ 1 1)
  (/ (+ x 1.0) (- 1.0 x))
  (/ 1 (- 1.0 x))
  (/ (- 1.0 x) (+ x 1.0))
  (/ (+ x 1.0) (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))))
  (/ (+ x 1.0) (sqrt (- 1.0 x)))
  (/ (+ x 1.0) 1)
  (/ (+ x 1.0) (+ (sqrt 1.0) (sqrt x)))
  (/ (+ x 1.0) 1)
  (/ (- 1.0 x) (cbrt (+ x 1.0)))
  (/ (- 1.0 x) (sqrt (+ x 1.0)))
  (/ (- 1.0 x) (+ x 1.0))
  (/ (- 1.0 x) (+ x 1.0))
  (/ (+ x 1.0) (- (pow 1.0 3) (pow x 3)))
  (/ (+ x 1.0) (- (* 1.0 1.0) (* x x)))
  (* (- 1.0 x) (+ (* x x) (- (* 1.0 1.0) (* x 1.0))))
  (* (- 1.0 x) (- x 1.0))
  (+ (* 2.0 (pow x 2)) (+ (* 2.0 x) 1.0))
  (- (+ (* 2.0 (/ 1 (pow x 2))) (+ (* 2.0 (/ 1 x)) 1)))
  (- (+ (* 2.0 (/ 1 (pow x 2))) (+ (* 2.0 (/ 1 x)) 1)))
  (+ (* 2.0 (pow x 2)) (+ (* 2.0 x) 1.0))
  (- (+ (* 2.0 (/ 1 (pow x 2))) (+ (* 2.0 (/ 1 x)) 1)))
  (- (+ (* 2.0 (/ 1 (pow x 2))) (+ (* 2.0 (/ 1 x)) 1)))
0.316 * * [simplify]: iteration  0 :  275  enodes  (cost  530 )
0.321 * * [simplify]: iteration  1 :  796  enodes  (cost  495 )
0.334 * * [simplify]: iteration  2 :  3201  enodes  (cost  488 )
0.397 * * [simplify]: iteration  3 :  5001  enodes  (cost  486 )
0.400 * [simplify]: Simplified to:
   (expm1 (/ (+ x 1.0) (- 1.0 x)))
  (log1p (/ (+ x 1.0) (- 1.0 x)))
  (* 2 (log (cbrt (exp (/ (+ x 1.0) (- 1.0 x))))))
  (log (cbrt (exp (/ (+ x 1.0) (- 1.0 x)))))
  (log (sqrt (exp (/ (+ x 1.0) (- 1.0 x)))))
  (log (sqrt (exp (/ (+ x 1.0) (- 1.0 x)))))
  0
  (/ (+ x 1.0) (- 1.0 x))
  (/ (+ x 1.0) (- 1.0 x))
  (* (cbrt (/ (+ x 1.0) (- 1.0 x))) (cbrt (/ (+ x 1.0) (- 1.0 x))))
  (sqrt (/ (+ x 1.0) (- 1.0 x)))
  (/ (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))) (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))))
  (/ (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))) (sqrt (- 1.0 x)))
  (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0)))
  (/ (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))) (+ (sqrt 1.0) (sqrt x)))
  (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0)))
  (/ (sqrt (+ x 1.0)) (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))))
  (/ (sqrt (+ x 1.0)) (sqrt (- 1.0 x)))
  (sqrt (+ x 1.0))
  (/ (sqrt (+ x 1.0)) (+ (sqrt 1.0) (sqrt x)))
  (sqrt (+ x 1.0))
  (/ 1 (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))))
  (/ 1 (sqrt (- 1.0 x)))
  1
  (/ 1 (+ (sqrt 1.0) (sqrt x)))
  1
  (/ 1 (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))))
  (/ 1 (sqrt (- 1.0 x)))
  1
  (/ 1 (+ (sqrt 1.0) (sqrt x)))
  1
  1
  (+ x 1.0)
  (/ (+ x 1.0) (- (pow 1.0 3) (pow x 3)))
  (/ 1 (- 1.0 x))
  (log (/ (+ x 1.0) (- 1.0 x)))
  (exp (/ (+ x 1.0) (- 1.0 x)))
  (* (cbrt (/ (+ x 1.0) (- 1.0 x))) (cbrt (/ (+ x 1.0) (- 1.0 x))))
  (cbrt (/ (+ x 1.0) (- 1.0 x)))
  (pow (/ (+ x 1.0) (- 1.0 x)) 3)
  (sqrt (/ (+ x 1.0) (- 1.0 x)))
  (sqrt (/ (+ x 1.0) (- 1.0 x)))
  (expm1 (/ (+ x 1.0) (- 1.0 x)))
  (log1p (/ (+ x 1.0) (- 1.0 x)))
  (log (/ (+ x 1.0) (- 1.0 x)))
  (log (/ (+ x 1.0) (- 1.0 x)))
  (exp (/ (+ x 1.0) (- 1.0 x)))
  (pow (/ (+ x 1.0) (- 1.0 x)) 3)
  (* (cbrt (/ (+ x 1.0) (- 1.0 x))) (cbrt (/ (+ x 1.0) (- 1.0 x))))
  (cbrt (/ (+ x 1.0) (- 1.0 x)))
  (pow (/ (+ x 1.0) (- 1.0 x)) 3)
  (sqrt (/ (+ x 1.0) (- 1.0 x)))
  (sqrt (/ (+ x 1.0) (- 1.0 x)))
  (- (+ x 1.0))
  (- x 1.0)
  (/ (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))) (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))))
  (/ (cbrt (+ x 1.0)) (cbrt (- 1.0 x)))
  (/ (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))) (sqrt (- 1.0 x)))
  (/ (cbrt (+ x 1.0)) (sqrt (- 1.0 x)))
  (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0)))
  (/ (cbrt (+ x 1.0)) (- 1.0 x))
  (/ (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))) (+ (sqrt 1.0) (sqrt x)))
  (/ (cbrt (+ x 1.0)) (- (sqrt 1.0) (sqrt x)))
  (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0)))
  (/ (cbrt (+ x 1.0)) (- 1.0 x))
  (/ (sqrt (+ x 1.0)) (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))))
  (/ (sqrt (+ x 1.0)) (cbrt (- 1.0 x)))
  (/ (sqrt (+ x 1.0)) (sqrt (- 1.0 x)))
  (/ (sqrt (+ x 1.0)) (sqrt (- 1.0 x)))
  (sqrt (+ x 1.0))
  (/ (sqrt (+ x 1.0)) (- 1.0 x))
  (/ (sqrt (+ x 1.0)) (+ (sqrt 1.0) (sqrt x)))
  (/ (sqrt (+ x 1.0)) (- (sqrt 1.0) (sqrt x)))
  (sqrt (+ x 1.0))
  (/ (sqrt (+ x 1.0)) (- 1.0 x))
  (/ 1 (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))))
  (/ (+ x 1.0) (cbrt (- 1.0 x)))
  (/ 1 (sqrt (- 1.0 x)))
  (/ (+ x 1.0) (sqrt (- 1.0 x)))
  1
  (/ (+ x 1.0) (- 1.0 x))
  (/ 1 (+ (sqrt 1.0) (sqrt x)))
  (/ (+ x 1.0) (- (sqrt 1.0) (sqrt x)))
  1
  (/ (+ x 1.0) (- 1.0 x))
  (/ 1 (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))))
  (/ (+ x 1.0) (cbrt (- 1.0 x)))
  (/ 1 (sqrt (- 1.0 x)))
  (/ (+ x 1.0) (sqrt (- 1.0 x)))
  1
  (/ (+ x 1.0) (- 1.0 x))
  (/ 1 (+ (sqrt 1.0) (sqrt x)))
  (/ (+ x 1.0) (- (sqrt 1.0) (sqrt x)))
  1
  (/ (+ x 1.0) (- 1.0 x))
  (/ 1 (- 1.0 x))
  (/ (- 1.0 x) (+ x 1.0))
  (/ (+ x 1.0) (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))))
  (/ (+ x 1.0) (sqrt (- 1.0 x)))
  (+ x 1.0)
  (/ (+ x 1.0) (+ (sqrt 1.0) (sqrt x)))
  (+ x 1.0)
  (/ (- 1.0 x) (cbrt (+ x 1.0)))
  (/ (- 1.0 x) (sqrt (+ x 1.0)))
  (/ (- 1.0 x) (+ x 1.0))
  (/ (- 1.0 x) (+ x 1.0))
  (/ (+ x 1.0) (- (pow 1.0 3) (pow x 3)))
  (/ 1 (- 1.0 x))
  (* (fma x x (- (* 1.0 1.0) (* x 1.0))) (- 1.0 x))
  (* (- 1.0 x) (- x 1.0))
  (fma 2.0 (fma x x x) 1.0)
  (- (/ (- 2.0) (pow x 2)) (fma 2.0 (/ 1 x) 1))
  (- (/ (- 2.0) (pow x 2)) (fma 2.0 (/ 1 x) 1))
  (fma 2.0 (fma x x x) 1.0)
  (- (/ (- 2.0) (pow x 2)) (fma 2.0 (/ 1 x) 1))
  (- (/ (- 2.0) (pow x 2)) (fma 2.0 (/ 1 x) 1))
0.401 * * * [progress]: adding candidates to table
0.522 * [progress]: [Phase 3 of 3] Extracting.
0.522 * * [regime]: Finding splitpoints for: (#<alt (λ (x) (log (exp (/ (+ x 1.0) (- 1.0 x)))))> #<alt (λ (x) (/ (+ x 1.0) (- 1.0 x)))>)
0.522 * * * [regime-changes]: Trying 2 branch expressions: ((/ (+ x 1.0) (- 1.0 x)) x)
0.522 * * * * [regimes]: Trying to branch on (/ (+ x 1.0) (- 1.0 x)) from (#<alt (λ (x) (log (exp (/ (+ x 1.0) (- 1.0 x)))))> #<alt (λ (x) (/ (+ x 1.0) (- 1.0 x)))>)
0.530 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x) (log (exp (/ (+ x 1.0) (- 1.0 x)))))> #<alt (λ (x) (/ (+ x 1.0) (- 1.0 x)))>)
0.542 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
0.542 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (log (exp (/ (+ x 1.0) (- 1.0 x))))
0.543 * * [simplify]: iteration  0 :  8  enodes  (cost  5 )
0.543 * * [simplify]: iteration  1 :  8  enodes  (cost  5 )
0.543 * [simplify]: Simplified to:
   (log (exp (/ (+ x 1.0) (- 1.0 x))))
0.877 * [regime-testing]: Baseline error score: 0.017577761283832358
0.878 * [regime-testing]: Oracle error score: 0.010126265783222902
0.879 * [regime-testing]: End program error score: 0.017577761283832358