3.379 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.046 * * * [progress]: [2/2] Setting up program.
0.048 * [progress]: [Phase 2 of 3] Improving.
0.048 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (log (+ x (sqrt (- (* x x) 1.0))))
0.050 * * [simplify]: iteration  0 :  10  enodes  (cost  5 )
0.052 * * [simplify]: iteration  1 :  11  enodes  (cost  5 )
0.053 * * [simplify]: iteration  2 :  11  enodes  (cost  5 )
0.053 * [simplify]: Simplified to:
   (log (+ x (sqrt (- (* x x) 1.0))))
0.053 * * [progress]: iteration 1 / 4
0.053 * * * [progress]: picking best candidate
0.055 * * * * [pick]: Picked  #<alt (λ (x) (log (+ x (sqrt (- (* x x) 1.0)))))>
0.055 * * * [progress]: localizing error
0.062 * * * [progress]: generating rewritten candidates
0.062 * * * * [progress]: [ 1 / 2 ] rewriting at (2 1 2)
0.067 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1)
0.076 * * * [progress]: generating series expansions
0.076 * * * * [progress]: [ 1 / 2 ] generating series at (2 1 2)
0.076 * [approximate]: Taking taylor expansion of (sqrt (- (pow x 2) 1.0)) in (x) around 0
0.076 * [taylor]: Taking taylor expansion of (sqrt (- (pow x 2) 1.0)) in x
0.076 * [taylor]: Taking taylor expansion of (- (pow x 2) 1.0) in x
0.076 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.076 * [taylor]: Taking taylor expansion of x in x
0.076 * [taylor]: Taking taylor expansion of 1.0 in x
0.079 * [taylor]: Taking taylor expansion of (sqrt (- (pow x 2) 1.0)) in x
0.079 * [taylor]: Taking taylor expansion of (- (pow x 2) 1.0) in x
0.079 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.079 * [taylor]: Taking taylor expansion of x in x
0.079 * [taylor]: Taking taylor expansion of 1.0 in x
0.097 * [approximate]: Taking taylor expansion of (sqrt (- (/ 1 (pow x 2)) 1.0)) in (x) around 0
0.097 * [taylor]: Taking taylor expansion of (sqrt (- (/ 1 (pow x 2)) 1.0)) in x
0.097 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in x
0.097 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.097 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.097 * [taylor]: Taking taylor expansion of x in x
0.098 * [taylor]: Taking taylor expansion of 1.0 in x
0.100 * [taylor]: Taking taylor expansion of (sqrt (- (/ 1 (pow x 2)) 1.0)) in x
0.100 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in x
0.100 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.100 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.100 * [taylor]: Taking taylor expansion of x in x
0.100 * [taylor]: Taking taylor expansion of 1.0 in x
0.117 * [approximate]: Taking taylor expansion of (sqrt (- (/ 1 (pow x 2)) 1.0)) in (x) around 0
0.118 * [taylor]: Taking taylor expansion of (sqrt (- (/ 1 (pow x 2)) 1.0)) in x
0.118 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in x
0.118 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.118 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.118 * [taylor]: Taking taylor expansion of x in x
0.118 * [taylor]: Taking taylor expansion of 1.0 in x
0.120 * [taylor]: Taking taylor expansion of (sqrt (- (/ 1 (pow x 2)) 1.0)) in x
0.120 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in x
0.120 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.120 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.120 * [taylor]: Taking taylor expansion of x in x
0.121 * [taylor]: Taking taylor expansion of 1.0 in x
0.133 * * * * [progress]: [ 2 / 2 ] generating series at (2 1)
0.133 * [approximate]: Taking taylor expansion of (+ (sqrt (- (pow x 2) 1.0)) x) in (x) around 0
0.133 * [taylor]: Taking taylor expansion of (+ (sqrt (- (pow x 2) 1.0)) x) in x
0.133 * [taylor]: Taking taylor expansion of (sqrt (- (pow x 2) 1.0)) in x
0.133 * [taylor]: Taking taylor expansion of (- (pow x 2) 1.0) in x
0.134 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.134 * [taylor]: Taking taylor expansion of x in x
0.134 * [taylor]: Taking taylor expansion of 1.0 in x
0.136 * [taylor]: Taking taylor expansion of x in x
0.136 * [taylor]: Taking taylor expansion of (+ (sqrt (- (pow x 2) 1.0)) x) in x
0.136 * [taylor]: Taking taylor expansion of (sqrt (- (pow x 2) 1.0)) in x
0.136 * [taylor]: Taking taylor expansion of (- (pow x 2) 1.0) in x
0.136 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.136 * [taylor]: Taking taylor expansion of x in x
0.136 * [taylor]: Taking taylor expansion of 1.0 in x
0.138 * [taylor]: Taking taylor expansion of x in x
0.147 * [approximate]: Taking taylor expansion of (+ (sqrt (- (/ 1 (pow x 2)) 1.0)) (/ 1 x)) in (x) around 0
0.147 * [taylor]: Taking taylor expansion of (+ (sqrt (- (/ 1 (pow x 2)) 1.0)) (/ 1 x)) in x
0.147 * [taylor]: Taking taylor expansion of (sqrt (- (/ 1 (pow x 2)) 1.0)) in x
0.147 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in x
0.147 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.147 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.147 * [taylor]: Taking taylor expansion of x in x
0.148 * [taylor]: Taking taylor expansion of 1.0 in x
0.150 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.150 * [taylor]: Taking taylor expansion of x in x
0.150 * [taylor]: Taking taylor expansion of (+ (sqrt (- (/ 1 (pow x 2)) 1.0)) (/ 1 x)) in x
0.150 * [taylor]: Taking taylor expansion of (sqrt (- (/ 1 (pow x 2)) 1.0)) in x
0.150 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in x
0.150 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.150 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.150 * [taylor]: Taking taylor expansion of x in x
0.151 * [taylor]: Taking taylor expansion of 1.0 in x
0.153 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.153 * [taylor]: Taking taylor expansion of x in x
0.167 * [approximate]: Taking taylor expansion of (- (sqrt (- (/ 1 (pow x 2)) 1.0)) (/ 1 x)) in (x) around 0
0.167 * [taylor]: Taking taylor expansion of (- (sqrt (- (/ 1 (pow x 2)) 1.0)) (/ 1 x)) in x
0.167 * [taylor]: Taking taylor expansion of (sqrt (- (/ 1 (pow x 2)) 1.0)) in x
0.167 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in x
0.167 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.167 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.167 * [taylor]: Taking taylor expansion of x in x
0.168 * [taylor]: Taking taylor expansion of 1.0 in x
0.170 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.170 * [taylor]: Taking taylor expansion of x in x
0.170 * [taylor]: Taking taylor expansion of (- (sqrt (- (/ 1 (pow x 2)) 1.0)) (/ 1 x)) in x
0.170 * [taylor]: Taking taylor expansion of (sqrt (- (/ 1 (pow x 2)) 1.0)) in x
0.170 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in x
0.170 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.170 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.170 * [taylor]: Taking taylor expansion of x in x
0.171 * [taylor]: Taking taylor expansion of 1.0 in x
0.173 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.173 * [taylor]: Taking taylor expansion of x in x
0.204 * * * [progress]: simplifying candidates
0.205 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (log (sqrt (- (* x x) 1.0)))
  (exp (sqrt (- (* x x) 1.0)))
  (* (cbrt (sqrt (- (* x x) 1.0))) (cbrt (sqrt (- (* x x) 1.0))))
  (cbrt (sqrt (- (* x x) 1.0)))
  (* (* (sqrt (- (* x x) 1.0)) (sqrt (- (* x x) 1.0))) (sqrt (- (* x x) 1.0)))
  (sqrt (* (cbrt (- (* x x) 1.0)) (cbrt (- (* x x) 1.0))))
  (sqrt (cbrt (- (* x x) 1.0)))
  (sqrt (sqrt (- (* x x) 1.0)))
  (sqrt (sqrt (- (* x x) 1.0)))
  (sqrt 1)
  (sqrt (- (* x x) 1.0))
  (sqrt (+ x (sqrt 1.0)))
  (sqrt (- x (sqrt 1.0)))
  (sqrt (- (pow (* x x) 3) (pow 1.0 3)))
  (sqrt (+ (* (* x x) (* x x)) (+ (* 1.0 1.0) (* (* x x) 1.0))))
  (sqrt (- (* (* x x) (* x x)) (* 1.0 1.0)))
  (sqrt (+ (* x x) 1.0))
  (/ 1 2)
  (sqrt (sqrt (- (* x x) 1.0)))
  (sqrt (sqrt (- (* x x) 1.0)))
  (* (exp x) (exp (sqrt (- (* x x) 1.0))))
  (log (+ x (sqrt (- (* x x) 1.0))))
  (exp (+ x (sqrt (- (* x x) 1.0))))
  (* (cbrt (+ x (sqrt (- (* x x) 1.0)))) (cbrt (+ x (sqrt (- (* x x) 1.0)))))
  (cbrt (+ x (sqrt (- (* x x) 1.0))))
  (* (* (+ x (sqrt (- (* x x) 1.0))) (+ x (sqrt (- (* x x) 1.0)))) (+ x (sqrt (- (* x x) 1.0))))
  (sqrt (+ x (sqrt (- (* x x) 1.0))))
  (sqrt (+ x (sqrt (- (* x x) 1.0))))
  (+ (pow x 3) (pow (sqrt (- (* x x) 1.0)) 3))
  (+ (* x x) (- (* (sqrt (- (* x x) 1.0)) (sqrt (- (* x x) 1.0))) (* x (sqrt (- (* x x) 1.0)))))
  (- (* x x) (* (sqrt (- (* x x) 1.0)) (sqrt (- (* x x) 1.0))))
  (- x (sqrt (- (* x x) 1.0)))
  (+ x (sqrt (- (* x x) 1.0)))
  (- (+ (* 1/2 (/ (pow x 2) (sqrt (- 1.0)))) (sqrt (- 1.0))) (* 1/8 (/ (pow x 4) (pow (sqrt (- 1.0)) 3))))
  (- x (+ (* 0.5 (/ 1 x)) (* 0.125 (/ 1 (pow x 3)))))
  (- (+ (* 0.5 (/ 1 x)) (* 0.125 (/ 1 (pow x 3)))) x)
  (+ x (+ (* 1/2 (/ (pow x 2) (sqrt (- 1.0)))) (sqrt (- 1.0))))
  (- (* 2 x) (+ (* 0.5 (/ 1 x)) (* 0.125 (/ 1 (pow x 3)))))
  (+ (* 0.125 (/ 1 (pow x 3))) (+ (* 0.0625 (/ 1 (pow x 5))) (* 0.5 (/ 1 x))))
0.209 * * [simplify]: iteration  0 :  217  enodes  (cost  221 )
0.213 * * [simplify]: iteration  1 :  657  enodes  (cost  211 )
0.224 * * [simplify]: iteration  2 :  2555  enodes  (cost  205 )
0.279 * * [simplify]: iteration  3 :  5001  enodes  (cost  204 )
0.280 * [simplify]: Simplified to:
   (log (sqrt (- (* x x) 1.0)))
  (exp (sqrt (- (* x x) 1.0)))
  (* (cbrt (sqrt (- (* x x) 1.0))) (cbrt (sqrt (- (* x x) 1.0))))
  (cbrt (sqrt (- (* x x) 1.0)))
  (pow (sqrt (- (* x x) 1.0)) 3)
  (fabs (cbrt (- (* x x) 1.0)))
  (sqrt (cbrt (- (* x x) 1.0)))
  (sqrt (sqrt (- (* x x) 1.0)))
  (sqrt (sqrt (- (* x x) 1.0)))
  1
  (sqrt (- (* x x) 1.0))
  (sqrt (+ x (sqrt 1.0)))
  (sqrt (- x (sqrt 1.0)))
  (sqrt (- (pow (* x x) 3) (pow 1.0 3)))
  (sqrt (+ (* (* x x) (* x x)) (+ (* 1.0 1.0) (* (* x x) 1.0))))
  (sqrt (- (* (* x x) (* x x)) (* 1.0 1.0)))
  (sqrt (+ (* x x) 1.0))
  1/2
  (sqrt (sqrt (- (* x x) 1.0)))
  (sqrt (sqrt (- (* x x) 1.0)))
  (exp (+ x (sqrt (- (* x x) 1.0))))
  (log (+ x (sqrt (- (* x x) 1.0))))
  (exp (+ x (sqrt (- (* x x) 1.0))))
  (* (cbrt (+ x (sqrt (- (* x x) 1.0)))) (cbrt (+ x (sqrt (- (* x x) 1.0)))))
  (cbrt (+ x (sqrt (- (* x x) 1.0))))
  (pow (+ x (sqrt (- (* x x) 1.0))) 3)
  (sqrt (+ x (sqrt (- (* x x) 1.0))))
  (sqrt (+ x (sqrt (- (* x x) 1.0))))
  (+ (pow x 3) (pow (sqrt (- (* x x) 1.0)) 3))
  (- (* x (+ x x)) (+ 1.0 (* x (sqrt (- (* x x) 1.0)))))
  (+ 1.0 0)
  (- x (sqrt (- (* x x) 1.0)))
  (+ x (sqrt (- (* x x) 1.0)))
  (- (+ (* 1/2 (/ (pow x 2) (sqrt (- 1.0)))) (sqrt (- 1.0))) (* 1/8 (/ (pow x 4) (pow (sqrt (- 1.0)) 3))))
  (- x (* (/ 1 x) (+ (/ 0.125 (pow x 2)) 0.5)))
  (- (* (/ 1 x) (+ (/ 0.125 (pow x 2)) 0.5)) x)
  (+ x (+ (* 1/2 (/ (pow x 2) (sqrt (- 1.0)))) (sqrt (- 1.0))))
  (- (* 2 x) (+ (* 0.5 (/ 1 x)) (* 0.125 (/ 1 (pow x 3)))))
  (+ (* 0.125 (/ 1 (pow x 3))) (+ (* 0.0625 (/ 1 (pow x 5))) (* 0.5 (/ 1 x))))
0.280 * * * [progress]: adding candidates to table
0.360 * * [progress]: iteration 2 / 4
0.360 * * * [progress]: picking best candidate
0.362 * * * * [pick]: Picked  #<alt (λ (x) (log (- (* 2 x) (+ (* 0.5 (/ 1 x)) (* 0.125 (/ 1 (pow x 3)))))))>
0.362 * * * [progress]: localizing error
0.375 * * * [progress]: generating rewritten candidates
0.375 * * * * [progress]: [ 1 / 2 ] rewriting at (2 1 2 2 2)
0.380 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1 2)
0.387 * * * [progress]: generating series expansions
0.387 * * * * [progress]: [ 1 / 2 ] generating series at (2 1 2 2 2)
0.387 * [approximate]: Taking taylor expansion of (/ 1 (pow x 3)) in (x) around 0
0.387 * [taylor]: Taking taylor expansion of (/ 1 (pow x 3)) in x
0.387 * [taylor]: Taking taylor expansion of (pow x 3) in x
0.387 * [taylor]: Taking taylor expansion of x in x
0.392 * [taylor]: Taking taylor expansion of (/ 1 (pow x 3)) in x
0.392 * [taylor]: Taking taylor expansion of (pow x 3) in x
0.392 * [taylor]: Taking taylor expansion of x in x
0.403 * [approximate]: Taking taylor expansion of (pow x 3) in (x) around 0
0.403 * [taylor]: Taking taylor expansion of (pow x 3) in x
0.403 * [taylor]: Taking taylor expansion of x in x
0.403 * [taylor]: Taking taylor expansion of (pow x 3) in x
0.403 * [taylor]: Taking taylor expansion of x in x
0.411 * [approximate]: Taking taylor expansion of (* -1 (pow x 3)) in (x) around 0
0.411 * [taylor]: Taking taylor expansion of (* -1 (pow x 3)) in x
0.411 * [taylor]: Taking taylor expansion of -1 in x
0.411 * [taylor]: Taking taylor expansion of (pow x 3) in x
0.411 * [taylor]: Taking taylor expansion of x in x
0.411 * [taylor]: Taking taylor expansion of (* -1 (pow x 3)) in x
0.411 * [taylor]: Taking taylor expansion of -1 in x
0.411 * [taylor]: Taking taylor expansion of (pow x 3) in x
0.411 * [taylor]: Taking taylor expansion of x in x
0.423 * * * * [progress]: [ 2 / 2 ] generating series at (2 1 2)
0.423 * [approximate]: Taking taylor expansion of (+ (* 0.125 (/ 1 (pow x 3))) (* 0.5 (/ 1 x))) in (x) around 0
0.423 * [taylor]: Taking taylor expansion of (+ (* 0.125 (/ 1 (pow x 3))) (* 0.5 (/ 1 x))) in x
0.423 * [taylor]: Taking taylor expansion of (* 0.125 (/ 1 (pow x 3))) in x
0.423 * [taylor]: Taking taylor expansion of 0.125 in x
0.423 * [taylor]: Taking taylor expansion of (/ 1 (pow x 3)) in x
0.423 * [taylor]: Taking taylor expansion of (pow x 3) in x
0.423 * [taylor]: Taking taylor expansion of x in x
0.424 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.424 * [taylor]: Taking taylor expansion of 0.5 in x
0.424 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.424 * [taylor]: Taking taylor expansion of x in x
0.424 * [taylor]: Taking taylor expansion of (+ (* 0.125 (/ 1 (pow x 3))) (* 0.5 (/ 1 x))) in x
0.424 * [taylor]: Taking taylor expansion of (* 0.125 (/ 1 (pow x 3))) in x
0.424 * [taylor]: Taking taylor expansion of 0.125 in x
0.424 * [taylor]: Taking taylor expansion of (/ 1 (pow x 3)) in x
0.424 * [taylor]: Taking taylor expansion of (pow x 3) in x
0.424 * [taylor]: Taking taylor expansion of x in x
0.425 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.425 * [taylor]: Taking taylor expansion of 0.5 in x
0.425 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.425 * [taylor]: Taking taylor expansion of x in x
0.455 * [approximate]: Taking taylor expansion of (+ (* 0.5 x) (* 0.125 (pow x 3))) in (x) around 0
0.455 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.125 (pow x 3))) in x
0.455 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.456 * [taylor]: Taking taylor expansion of 0.5 in x
0.456 * [taylor]: Taking taylor expansion of x in x
0.456 * [taylor]: Taking taylor expansion of (* 0.125 (pow x 3)) in x
0.456 * [taylor]: Taking taylor expansion of 0.125 in x
0.456 * [taylor]: Taking taylor expansion of (pow x 3) in x
0.456 * [taylor]: Taking taylor expansion of x in x
0.456 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.125 (pow x 3))) in x
0.456 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.456 * [taylor]: Taking taylor expansion of 0.5 in x
0.456 * [taylor]: Taking taylor expansion of x in x
0.456 * [taylor]: Taking taylor expansion of (* 0.125 (pow x 3)) in x
0.456 * [taylor]: Taking taylor expansion of 0.125 in x
0.456 * [taylor]: Taking taylor expansion of (pow x 3) in x
0.456 * [taylor]: Taking taylor expansion of x in x
0.483 * [approximate]: Taking taylor expansion of (- (+ (* 0.5 x) (* 0.125 (pow x 3)))) in (x) around 0
0.483 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 x) (* 0.125 (pow x 3)))) in x
0.483 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.125 (pow x 3))) in x
0.483 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.483 * [taylor]: Taking taylor expansion of 0.5 in x
0.483 * [taylor]: Taking taylor expansion of x in x
0.483 * [taylor]: Taking taylor expansion of (* 0.125 (pow x 3)) in x
0.483 * [taylor]: Taking taylor expansion of 0.125 in x
0.483 * [taylor]: Taking taylor expansion of (pow x 3) in x
0.483 * [taylor]: Taking taylor expansion of x in x
0.483 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 x) (* 0.125 (pow x 3)))) in x
0.483 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.125 (pow x 3))) in x
0.483 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.483 * [taylor]: Taking taylor expansion of 0.5 in x
0.483 * [taylor]: Taking taylor expansion of x in x
0.483 * [taylor]: Taking taylor expansion of (* 0.125 (pow x 3)) in x
0.483 * [taylor]: Taking taylor expansion of 0.125 in x
0.483 * [taylor]: Taking taylor expansion of (pow x 3) in x
0.483 * [taylor]: Taking taylor expansion of x in x
0.508 * * * [progress]: simplifying candidates
0.509 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- 3)
  (- (* (log x) 3))
  (- (* (log x) 3))
  (- (log (pow x 3)))
  (- 0 (* (log x) 3))
  (- 0 (* (log x) 3))
  (- 0 (log (pow x 3)))
  (- (log 1) (* (log x) 3))
  (- (log 1) (* (log x) 3))
  (- (log 1) (log (pow x 3)))
  (log (/ 1 (pow x 3)))
  (exp (/ 1 (pow x 3)))
  (/ (* (* 1 1) 1) (* (* (pow x 3) (pow x 3)) (pow x 3)))
  (* (cbrt (/ 1 (pow x 3))) (cbrt (/ 1 (pow x 3))))
  (cbrt (/ 1 (pow x 3)))
  (* (* (/ 1 (pow x 3)) (/ 1 (pow x 3))) (/ 1 (pow x 3)))
  (sqrt (/ 1 (pow x 3)))
  (sqrt (/ 1 (pow x 3)))
  (- 1)
  (- (pow x 3))
  (/ (* (cbrt 1) (cbrt 1)) (pow (* (cbrt x) (cbrt x)) 3))
  (/ (cbrt 1) (pow (cbrt x) 3))
  (/ (* (cbrt 1) (cbrt 1)) (pow (sqrt x) 3))
  (/ (cbrt 1) (pow (sqrt x) 3))
  (/ (* (cbrt 1) (cbrt 1)) (pow 1 3))
  (/ (cbrt 1) (pow x 3))
  (/ (* (cbrt 1) (cbrt 1)) (* x x))
  (/ (cbrt 1) x)
  (/ (* (cbrt 1) (cbrt 1)) (* (cbrt (pow x 3)) (cbrt (pow x 3))))
  (/ (cbrt 1) (cbrt (pow x 3)))
  (/ (* (cbrt 1) (cbrt 1)) (pow (* (cbrt x) (cbrt x)) 3))
  (/ (cbrt 1) (pow (cbrt x) 3))
  (/ (* (cbrt 1) (cbrt 1)) (pow (sqrt x) 3))
  (/ (cbrt 1) (pow (sqrt x) 3))
  (/ (* (cbrt 1) (cbrt 1)) (pow 1 3))
  (/ (cbrt 1) (pow x 3))
  (/ (* (cbrt 1) (cbrt 1)) x)
  (/ (cbrt 1) (* x x))
  (/ (* (cbrt 1) (cbrt 1)) (sqrt (pow x 3)))
  (/ (cbrt 1) (sqrt (pow x 3)))
  (/ (* (cbrt 1) (cbrt 1)) 1)
  (/ (cbrt 1) (pow x 3))
  (/ (* (cbrt 1) (cbrt 1)) (pow x (/ 3 2)))
  (/ (cbrt 1) (pow x (/ 3 2)))
  (/ (sqrt 1) (pow (* (cbrt x) (cbrt x)) 3))
  (/ (sqrt 1) (pow (cbrt x) 3))
  (/ (sqrt 1) (pow (sqrt x) 3))
  (/ (sqrt 1) (pow (sqrt x) 3))
  (/ (sqrt 1) (pow 1 3))
  (/ (sqrt 1) (pow x 3))
  (/ (sqrt 1) (* x x))
  (/ (sqrt 1) x)
  (/ (sqrt 1) (* (cbrt (pow x 3)) (cbrt (pow x 3))))
  (/ (sqrt 1) (cbrt (pow x 3)))
  (/ (sqrt 1) (pow (* (cbrt x) (cbrt x)) 3))
  (/ (sqrt 1) (pow (cbrt x) 3))
  (/ (sqrt 1) (pow (sqrt x) 3))
  (/ (sqrt 1) (pow (sqrt x) 3))
  (/ (sqrt 1) (pow 1 3))
  (/ (sqrt 1) (pow x 3))
  (/ (sqrt 1) x)
  (/ (sqrt 1) (* x x))
  (/ (sqrt 1) (sqrt (pow x 3)))
  (/ (sqrt 1) (sqrt (pow x 3)))
  (/ (sqrt 1) 1)
  (/ (sqrt 1) (pow x 3))
  (/ (sqrt 1) (pow x (/ 3 2)))
  (/ (sqrt 1) (pow x (/ 3 2)))
  (/ 1 (pow (* (cbrt x) (cbrt x)) 3))
  (/ 1 (pow (cbrt x) 3))
  (/ 1 (pow (sqrt x) 3))
  (/ 1 (pow (sqrt x) 3))
  (/ 1 (pow 1 3))
  (/ 1 (pow x 3))
  (/ 1 (* x x))
  (/ 1 x)
  (/ 1 (* (cbrt (pow x 3)) (cbrt (pow x 3))))
  (/ 1 (cbrt (pow x 3)))
  (/ 1 (pow (* (cbrt x) (cbrt x)) 3))
  (/ 1 (pow (cbrt x) 3))
  (/ 1 (pow (sqrt x) 3))
  (/ 1 (pow (sqrt x) 3))
  (/ 1 (pow 1 3))
  (/ 1 (pow x 3))
  (/ 1 x)
  (/ 1 (* x x))
  (/ 1 (sqrt (pow x 3)))
  (/ 1 (sqrt (pow x 3)))
  (/ 1 1)
  (/ 1 (pow x 3))
  (/ 1 (pow x (/ 3 2)))
  (/ 1 (pow x (/ 3 2)))
  (/ 1 (pow x 3))
  (/ (pow x 3) 1)
  (/ 1 (pow (* (cbrt x) (cbrt x)) 3))
  (/ 1 (pow (sqrt x) 3))
  (/ 1 (pow 1 3))
  (/ 1 (* x x))
  (/ 1 (* (cbrt (pow x 3)) (cbrt (pow x 3))))
  (/ 1 (pow (* (cbrt x) (cbrt x)) 3))
  (/ 1 (pow (sqrt x) 3))
  (/ 1 (pow 1 3))
  (/ 1 x)
  (/ 1 (sqrt (pow x 3)))
  (/ 1 1)
  (/ 1 (pow x (/ 3 2)))
  (/ (pow x 3) (cbrt 1))
  (/ (pow x 3) (sqrt 1))
  (/ (pow x 3) 1)
  (* (exp (* 0.5 (/ 1 x))) (exp (* 0.125 (/ 1 (pow x 3)))))
  (log (+ (* 0.5 (/ 1 x)) (* 0.125 (/ 1 (pow x 3)))))
  (exp (+ (* 0.5 (/ 1 x)) (* 0.125 (/ 1 (pow x 3)))))
  (* (cbrt (+ (* 0.5 (/ 1 x)) (* 0.125 (/ 1 (pow x 3))))) (cbrt (+ (* 0.5 (/ 1 x)) (* 0.125 (/ 1 (pow x 3))))))
  (cbrt (+ (* 0.5 (/ 1 x)) (* 0.125 (/ 1 (pow x 3)))))
  (* (* (+ (* 0.5 (/ 1 x)) (* 0.125 (/ 1 (pow x 3)))) (+ (* 0.5 (/ 1 x)) (* 0.125 (/ 1 (pow x 3))))) (+ (* 0.5 (/ 1 x)) (* 0.125 (/ 1 (pow x 3)))))
  (sqrt (+ (* 0.5 (/ 1 x)) (* 0.125 (/ 1 (pow x 3)))))
  (sqrt (+ (* 0.5 (/ 1 x)) (* 0.125 (/ 1 (pow x 3)))))
  (+ (* 0.5 (pow x 3)) (* x 0.125))
  (* x (pow x 3))
  (+ (* 0.5 (pow x 3)) (* x (* 0.125 1)))
  (* x (pow x 3))
  (+ (* (* 0.5 1) (pow x 3)) (* x 0.125))
  (* x (pow x 3))
  (+ (* (* 0.5 1) (pow x 3)) (* x (* 0.125 1)))
  (* x (pow x 3))
  (+ (pow (* 0.5 (/ 1 x)) 3) (pow (* 0.125 (/ 1 (pow x 3))) 3))
  (+ (* (* 0.5 (/ 1 x)) (* 0.5 (/ 1 x))) (- (* (* 0.125 (/ 1 (pow x 3))) (* 0.125 (/ 1 (pow x 3)))) (* (* 0.5 (/ 1 x)) (* 0.125 (/ 1 (pow x 3))))))
  (- (* (* 0.5 (/ 1 x)) (* 0.5 (/ 1 x))) (* (* 0.125 (/ 1 (pow x 3))) (* 0.125 (/ 1 (pow x 3)))))
  (- (* 0.5 (/ 1 x)) (* 0.125 (/ 1 (pow x 3))))
  (/ 1 (pow x 3))
  (/ 1 (pow x 3))
  (/ 1 (pow x 3))
  (+ (* 0.125 (/ 1 (pow x 3))) (* 0.5 (/ 1 x)))
  (+ (* 0.5 (/ 1 x)) (* 0.125 (/ 1 (pow x 3))))
  (+ (* 0.5 (/ 1 x)) (* 0.125 (/ 1 (pow x 3))))
0.514 * * [simplify]: iteration  0 :  287  enodes  (cost  463 )
0.521 * * [simplify]: iteration  1 :  1424  enodes  (cost  361 )
0.551 * * [simplify]: iteration  2 :  5001  enodes  (cost  354 )
0.553 * [simplify]: Simplified to:
   (- 3)
  (log (/ 1 (pow x 3)))
  (log (/ 1 (pow x 3)))
  (log (/ 1 (pow x 3)))
  (log (/ 1 (pow x 3)))
  (log (/ 1 (pow x 3)))
  (log (/ 1 (pow x 3)))
  (log (/ 1 (pow x 3)))
  (log (/ 1 (pow x 3)))
  (log (/ 1 (pow x 3)))
  (log (/ 1 (pow x 3)))
  (exp (/ 1 (pow x 3)))
  (/ 1 (pow (pow x 3) 3))
  (/ (/ 1 x) x)
  (/ 1 x)
  (/ 1 (pow (pow x 3) 3))
  (sqrt (/ 1 (pow x 3)))
  (sqrt (/ 1 (pow x 3)))
  (- 1)
  (- (pow x 3))
  (/ (/ 1 x) x)
  (/ 1 x)
  (/ 1 (pow (sqrt x) 3))
  (/ 1 (pow (sqrt x) 3))
  1
  (/ 1 (pow x 3))
  (/ (/ 1 x) x)
  (/ 1 x)
  (/ (/ 1 x) x)
  (/ 1 x)
  (/ (/ 1 x) x)
  (/ 1 x)
  (/ 1 (pow (sqrt x) 3))
  (/ 1 (pow (sqrt x) 3))
  1
  (/ 1 (pow x 3))
  (/ 1 x)
  (/ (/ 1 x) x)
  (/ 1 (sqrt (pow x 3)))
  (/ 1 (sqrt (pow x 3)))
  1
  (/ 1 (pow x 3))
  (/ 1 (pow x 3/2))
  (/ 1 (pow x 3/2))
  (/ (/ 1 x) x)
  (/ 1 x)
  (/ 1 (pow (sqrt x) 3))
  (/ 1 (pow (sqrt x) 3))
  1
  (/ 1 (pow x 3))
  (/ (/ 1 x) x)
  (/ 1 x)
  (/ (/ 1 x) x)
  (/ 1 x)
  (/ (/ 1 x) x)
  (/ 1 x)
  (/ 1 (pow (sqrt x) 3))
  (/ 1 (pow (sqrt x) 3))
  1
  (/ 1 (pow x 3))
  (/ 1 x)
  (/ (/ 1 x) x)
  (/ 1 (sqrt (pow x 3)))
  (/ 1 (sqrt (pow x 3)))
  1
  (/ 1 (pow x 3))
  (/ 1 (pow x 3/2))
  (/ 1 (pow x 3/2))
  (/ (/ 1 x) x)
  (/ 1 x)
  (/ 1 (pow (sqrt x) 3))
  (/ 1 (pow (sqrt x) 3))
  1
  (/ 1 (pow x 3))
  (/ (/ 1 x) x)
  (/ 1 x)
  (/ (/ 1 x) x)
  (/ 1 x)
  (/ (/ 1 x) x)
  (/ 1 x)
  (/ 1 (pow (sqrt x) 3))
  (/ 1 (pow (sqrt x) 3))
  1
  (/ 1 (pow x 3))
  (/ 1 x)
  (/ (/ 1 x) x)
  (/ 1 (sqrt (pow x 3)))
  (/ 1 (sqrt (pow x 3)))
  1
  (/ 1 (pow x 3))
  (/ 1 (pow x 3/2))
  (/ 1 (pow x 3/2))
  (/ 1 (pow x 3))
  (pow x 3)
  (/ (/ 1 x) x)
  (/ 1 (pow (sqrt x) 3))
  1
  (/ (/ 1 x) x)
  (/ (/ 1 x) x)
  (/ (/ 1 x) x)
  (/ 1 (pow (sqrt x) 3))
  1
  (/ 1 x)
  (/ 1 (sqrt (pow x 3)))
  1
  (/ 1 (pow x 3/2))
  (pow x 3)
  (pow x 3)
  (pow x 3)
  (exp (+ (* 0.5 (/ 1 x)) (* 0.125 (/ 1 (pow x 3)))))
  (log (+ (* 0.5 (/ 1 x)) (* 0.125 (/ 1 (pow x 3)))))
  (exp (+ (* 0.5 (/ 1 x)) (* 0.125 (/ 1 (pow x 3)))))
  (* (cbrt (+ (* 0.5 (/ 1 x)) (* 0.125 (/ 1 (pow x 3))))) (cbrt (+ (* 0.5 (/ 1 x)) (* 0.125 (/ 1 (pow x 3))))))
  (cbrt (+ (* 0.5 (/ 1 x)) (* 0.125 (/ 1 (pow x 3)))))
  (pow (+ (* 0.5 (/ 1 x)) (* 0.125 (/ 1 (pow x 3)))) 3)
  (sqrt (+ (* 0.5 (/ 1 x)) (* 0.125 (/ 1 (pow x 3)))))
  (sqrt (+ (* 0.5 (/ 1 x)) (* 0.125 (/ 1 (pow x 3)))))
  (+ (* 0.5 (pow x 3)) (* x 0.125))
  (pow x 4)
  (+ (* 0.5 (pow x 3)) (* x 0.125))
  (pow x 4)
  (+ (* 0.5 (pow x 3)) (* x 0.125))
  (pow x 4)
  (+ (* 0.5 (pow x 3)) (* x 0.125))
  (pow x 4)
  (+ (pow (* 0.5 (/ 1 x)) 3) (pow (* 0.125 (/ 1 (pow x 3))) 3))
  (+ (* (* 0.125 (/ 1 (pow x 3))) (- (* 0.125 (/ 1 (pow x 3))) (* 0.5 (/ 1 x)))) (* (* 0.5 (/ 1 x)) (* 0.5 (/ 1 x))))
  (+ (* (- (/ 0.125 (pow x 3))) (/ 0.125 (pow x 3))) (/ (* (/ 0.5 x) 0.5) x))
  (+ (/ 0.5 x) (- (/ 0.125 (pow x 3))))
  (/ 1 (pow x 3))
  (/ 1 (pow x 3))
  (/ 1 (pow x 3))
  (+ (* 0.5 (/ 1 x)) (* 0.125 (/ 1 (pow x 3))))
  (+ (* 0.5 (/ 1 x)) (* 0.125 (/ 1 (pow x 3))))
  (+ (* 0.5 (/ 1 x)) (* 0.125 (/ 1 (pow x 3))))
0.554 * * * [progress]: adding candidates to table
0.668 * [progress]: [Phase 3 of 3] Extracting.
0.668 * * [regime]: Finding splitpoints for: (#<alt (λ (x) (log (+ x (sqrt (- (* x x) 1.0)))))> #<alt (λ (x) (log (- (* 2 x) (+ (* 0.5 (/ 1 x)) (* 0.125 (/ 1 (pow x 3)))))))>)
0.668 * * * [regime-changes]: Trying 3 branch expressions: ((+ x (sqrt (- (* x x) 1.0))) (log (+ x (sqrt (- (* x x) 1.0)))) x)
0.668 * * * * [regimes]: Trying to branch on (+ x (sqrt (- (* x x) 1.0))) from (#<alt (λ (x) (log (+ x (sqrt (- (* x x) 1.0)))))> #<alt (λ (x) (log (- (* 2 x) (+ (* 0.5 (/ 1 x)) (* 0.125 (/ 1 (pow x 3)))))))>)
0.684 * * * * [regimes]: Trying to branch on (log (+ x (sqrt (- (* x x) 1.0)))) from (#<alt (λ (x) (log (+ x (sqrt (- (* x x) 1.0)))))> #<alt (λ (x) (log (- (* 2 x) (+ (* 0.5 (/ 1 x)) (* 0.125 (/ 1 (pow x 3)))))))>)
0.699 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x) (log (+ x (sqrt (- (* x x) 1.0)))))> #<alt (λ (x) (log (- (* 2 x) (+ (* 0.5 (/ 1 x)) (* 0.125 (/ 1 (pow x 3)))))))>)
0.710 * * * [regime]: Found split indices: #<option (#s(si 1 255))>
0.710 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (log (- (* 2 x) (+ (* 0.5 (/ 1 x)) (* 0.125 (/ 1 (pow x 3))))))
0.711 * * [simplify]: iteration  0 :  21  enodes  (cost  9 )
0.711 * * [simplify]: iteration  1 :  21  enodes  (cost  9 )
0.711 * [simplify]: Simplified to:
   (log (- (* 2 x) (+ (* 0.5 (/ 1 x)) (* 0.125 (/ 1 (pow x 3))))))
2.105 * [regime-testing]: Baseline error score: 0.2739571774098032
2.105 * [regime-testing]: Oracle error score: 0.08938617327165896
2.106 * [regime-testing]: End program error score: 0.2739571774098032