6.594 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.043 * * * [progress]: [2/2] Setting up program.
0.045 * [progress]: [Phase 2 of 3] Improving.
0.045 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (exp x) 1.0)
0.048 * * [simplify]: iteration  0 :  6  enodes  (cost  2 )
0.049 * * [simplify]: iteration  1 :  7  enodes  (cost  2 )
0.050 * * [simplify]: iteration  2 :  7  enodes  (cost  2 )
0.050 * [simplify]: Simplified to:
   (- (exp x) 1.0)
0.051 * * [progress]: iteration 1 / 4
0.051 * * * [progress]: picking best candidate
0.052 * * * * [pick]: Picked  #<alt (λ (x) (- (exp x) 1.0))>
0.052 * * * [progress]: localizing error
0.055 * * * [progress]: generating rewritten candidates
0.055 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.060 * * * [progress]: generating series expansions
0.060 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.060 * [approximate]: Taking taylor expansion of (- (exp x) 1.0) in (x) around 0
0.061 * [taylor]: Taking taylor expansion of (- (exp x) 1.0) in x
0.061 * [taylor]: Taking taylor expansion of (exp x) in x
0.061 * [taylor]: Taking taylor expansion of x in x
0.061 * [taylor]: Taking taylor expansion of 1.0 in x
0.061 * [taylor]: Taking taylor expansion of (- (exp x) 1.0) in x
0.061 * [taylor]: Taking taylor expansion of (exp x) in x
0.061 * [taylor]: Taking taylor expansion of x in x
0.061 * [taylor]: Taking taylor expansion of 1.0 in x
0.066 * [approximate]: Taking taylor expansion of (- (exp (/ 1 x)) 1.0) in (x) around 0
0.066 * [taylor]: Taking taylor expansion of (- (exp (/ 1 x)) 1.0) in x
0.066 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.066 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.066 * [taylor]: Taking taylor expansion of x in x
0.067 * [taylor]: Taking taylor expansion of 1.0 in x
0.067 * [taylor]: Taking taylor expansion of (- (exp (/ 1 x)) 1.0) in x
0.067 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.067 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.067 * [taylor]: Taking taylor expansion of x in x
0.067 * [taylor]: Taking taylor expansion of 1.0 in x
0.071 * [approximate]: Taking taylor expansion of (- (exp (/ -1 x)) 1.0) in (x) around 0
0.071 * [taylor]: Taking taylor expansion of (- (exp (/ -1 x)) 1.0) in x
0.071 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.071 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.071 * [taylor]: Taking taylor expansion of -1 in x
0.071 * [taylor]: Taking taylor expansion of x in x
0.071 * [taylor]: Taking taylor expansion of 1.0 in x
0.071 * [taylor]: Taking taylor expansion of (- (exp (/ -1 x)) 1.0) in x
0.071 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.071 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.071 * [taylor]: Taking taylor expansion of -1 in x
0.071 * [taylor]: Taking taylor expansion of x in x
0.072 * [taylor]: Taking taylor expansion of 1.0 in x
0.075 * * * [progress]: simplifying candidates
0.075 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (fma (* (cbrt (exp x)) (cbrt (exp x))) (cbrt (exp x)) (- (* (cbrt 1.0) (* (cbrt 1.0) (cbrt 1.0)))))
  (fma (- (cbrt 1.0)) (* (cbrt 1.0) (cbrt 1.0)) (* (cbrt 1.0) (* (cbrt 1.0) (cbrt 1.0))))
  (fma (* (cbrt (exp x)) (cbrt (exp x))) (cbrt (exp x)) (- (* (sqrt 1.0) (sqrt 1.0))))
  (fma (- (sqrt 1.0)) (sqrt 1.0) (* (sqrt 1.0) (sqrt 1.0)))
  (fma (* (cbrt (exp x)) (cbrt (exp x))) (cbrt (exp x)) (- (* 1.0 1)))
  (fma (- 1.0) 1 (* 1.0 1))
  (fma (sqrt (exp x)) (sqrt (exp x)) (- (* (cbrt 1.0) (* (cbrt 1.0) (cbrt 1.0)))))
  (fma (- (cbrt 1.0)) (* (cbrt 1.0) (cbrt 1.0)) (* (cbrt 1.0) (* (cbrt 1.0) (cbrt 1.0))))
  (fma (sqrt (exp x)) (sqrt (exp x)) (- (* (sqrt 1.0) (sqrt 1.0))))
  (fma (- (sqrt 1.0)) (sqrt 1.0) (* (sqrt 1.0) (sqrt 1.0)))
  (fma (sqrt (exp x)) (sqrt (exp x)) (- (* 1.0 1)))
  (fma (- 1.0) 1 (* 1.0 1))
  (fma 1 (exp x) (- (* (cbrt 1.0) (* (cbrt 1.0) (cbrt 1.0)))))
  (fma (- (cbrt 1.0)) (* (cbrt 1.0) (cbrt 1.0)) (* (cbrt 1.0) (* (cbrt 1.0) (cbrt 1.0))))
  (fma 1 (exp x) (- (* (sqrt 1.0) (sqrt 1.0))))
  (fma (- (sqrt 1.0)) (sqrt 1.0) (* (sqrt 1.0) (sqrt 1.0)))
  (fma 1 (exp x) (- (* 1.0 1)))
  (fma (- 1.0) 1 (* 1.0 1))
  (expm1 (- (exp x) 1.0))
  (log1p (- (exp x) 1.0))
  (- 1.0)
  (- 1.0)
  (- 1.0)
  (/ (exp (exp x)) (exp 1.0))
  (log (- (exp x) 1.0))
  (exp (- (exp x) 1.0))
  (* (cbrt (- (exp x) 1.0)) (cbrt (- (exp x) 1.0)))
  (cbrt (- (exp x) 1.0))
  (* (* (- (exp x) 1.0) (- (exp x) 1.0)) (- (exp x) 1.0))
  (sqrt (- (exp x) 1.0))
  (sqrt (- (exp x) 1.0))
  (- (pow (exp x) 3) (pow 1.0 3))
  (+ (* (exp x) (exp x)) (+ (* 1.0 1.0) (* (exp x) 1.0)))
  (- 1.0)
  (- (* (exp x) (exp x)) (* 1.0 1.0))
  (+ (exp x) 1.0)
  (+ (sqrt (exp x)) (sqrt 1.0))
  (- (sqrt (exp x)) (sqrt 1.0))
  (- (exp x) 1.0)
  (- 1.0)
  (+ (* 1/2 (pow x 2)) (+ (* 1/6 (pow x 3)) x))
  (- (exp x) 1.0)
  (- (exp x) 1.0)
0.079 * * [simplify]: iteration  0 :  140  enodes  (cost  205 )
0.082 * * [simplify]: iteration  1 :  403  enodes  (cost  130 )
0.091 * * [simplify]: iteration  2 :  2063  enodes  (cost  120 )
0.135 * * [simplify]: iteration  3 :  5003  enodes  (cost  90 )
0.136 * [simplify]: Simplified to:
   (- (exp x) 1.0)
  0
  (- (exp x) 1.0)
  0
  (- (exp x) 1.0)
  0
  (- (exp x) 1.0)
  0
  (- (exp x) 1.0)
  0
  (- (exp x) 1.0)
  0
  (- (exp x) 1.0)
  0
  (- (exp x) 1.0)
  0
  (- (exp x) 1.0)
  0
  (expm1 (- (exp x) 1.0))
  (log1p (- (exp x) 1.0))
  (- 1.0)
  (- 1.0)
  (- 1.0)
  (exp (- (exp x) 1.0))
  (log (- (exp x) 1.0))
  (exp (- (exp x) 1.0))
  (* (cbrt (- (exp x) 1.0)) (cbrt (- (exp x) 1.0)))
  (cbrt (- (exp x) 1.0))
  (pow (- (exp x) 1.0) 3)
  (sqrt (- (exp x) 1.0))
  (sqrt (- (exp x) 1.0))
  (- (pow (exp x) 3) (pow 1.0 3))
  (fma 1.0 (+ (exp x) 1.0) (exp (+ x x)))
  (- 1.0)
  (fma (- 1.0) 1.0 (exp (+ x x)))
  (+ (exp x) 1.0)
  (+ (sqrt (exp x)) (sqrt 1.0))
  (- (sqrt (exp x)) (sqrt 1.0))
  (- (exp x) 1.0)
  (- 1.0)
  (fma 1/2 (pow x 2) (fma 1/6 (pow x 3) x))
  (- (exp x) 1.0)
  (- (exp x) 1.0)
0.137 * * * [progress]: adding candidates to table
0.180 * * [progress]: iteration 2 / 4
0.180 * * * [progress]: picking best candidate
0.182 * * * * [pick]: Picked  #<alt (λ (x) (fma 1/2 (pow x 2) (fma 1/6 (pow x 3) x)))>
0.182 * * * [progress]: localizing error
0.190 * * * [progress]: generating rewritten candidates
0.190 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.191 * * * [progress]: generating series expansions
0.191 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.191 * [approximate]: Taking taylor expansion of (fma 1/2 (pow x 2) (fma 1/6 (pow x 3) x)) in (x) around 0
0.191 * [taylor]: Taking taylor expansion of (fma 1/2 (pow x 2) (fma 1/6 (pow x 3) x)) in x
0.191 * [taylor]: Rewrote expression to (+ (* 1/2 (pow x 2)) (fma 1/6 (pow x 3) x))
0.191 * [taylor]: Taking taylor expansion of (* 1/2 (pow x 2)) in x
0.191 * [taylor]: Taking taylor expansion of 1/2 in x
0.191 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.191 * [taylor]: Taking taylor expansion of x in x
0.191 * [taylor]: Taking taylor expansion of (fma 1/6 (pow x 3) x) in x
0.191 * [taylor]: Rewrote expression to (+ (* 1/6 (pow x 3)) x)
0.191 * [taylor]: Taking taylor expansion of (* 1/6 (pow x 3)) in x
0.191 * [taylor]: Taking taylor expansion of 1/6 in x
0.191 * [taylor]: Taking taylor expansion of (pow x 3) in x
0.191 * [taylor]: Taking taylor expansion of x in x
0.191 * [taylor]: Taking taylor expansion of x in x
0.191 * [taylor]: Taking taylor expansion of (fma 1/2 (pow x 2) (fma 1/6 (pow x 3) x)) in x
0.191 * [taylor]: Rewrote expression to (+ (* 1/2 (pow x 2)) (fma 1/6 (pow x 3) x))
0.191 * [taylor]: Taking taylor expansion of (* 1/2 (pow x 2)) in x
0.191 * [taylor]: Taking taylor expansion of 1/2 in x
0.191 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.191 * [taylor]: Taking taylor expansion of x in x
0.192 * [taylor]: Taking taylor expansion of (fma 1/6 (pow x 3) x) in x
0.192 * [taylor]: Rewrote expression to (+ (* 1/6 (pow x 3)) x)
0.192 * [taylor]: Taking taylor expansion of (* 1/6 (pow x 3)) in x
0.192 * [taylor]: Taking taylor expansion of 1/6 in x
0.192 * [taylor]: Taking taylor expansion of (pow x 3) in x
0.192 * [taylor]: Taking taylor expansion of x in x
0.192 * [taylor]: Taking taylor expansion of x in x
0.196 * [approximate]: Taking taylor expansion of (fma 1/2 (pow (/ 1 x) 2) (fma 1/6 (pow (/ 1 x) 3) (/ 1 x))) in (x) around 0
0.196 * [taylor]: Taking taylor expansion of (fma 1/2 (pow (/ 1 x) 2) (fma 1/6 (pow (/ 1 x) 3) (/ 1 x))) in x
0.196 * [taylor]: Rewrote expression to (+ (* 1/2 (pow (/ 1 x) 2)) (fma 1/6 (pow (/ 1 x) 3) (/ 1 x)))
0.196 * [taylor]: Taking taylor expansion of (* 1/2 (pow (/ 1 x) 2)) in x
0.196 * [taylor]: Taking taylor expansion of 1/2 in x
0.196 * [taylor]: Taking taylor expansion of (pow (/ 1 x) 2) in x
0.196 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.196 * [taylor]: Taking taylor expansion of x in x
0.197 * [taylor]: Taking taylor expansion of (fma 1/6 (pow (/ 1 x) 3) (/ 1 x)) in x
0.197 * [taylor]: Rewrote expression to (+ (* 1/6 (pow (/ 1 x) 3)) (/ 1 x))
0.197 * [taylor]: Taking taylor expansion of (* 1/6 (pow (/ 1 x) 3)) in x
0.197 * [taylor]: Taking taylor expansion of 1/6 in x
0.197 * [taylor]: Taking taylor expansion of (pow (/ 1 x) 3) in x
0.197 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.197 * [taylor]: Taking taylor expansion of x in x
0.197 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.197 * [taylor]: Taking taylor expansion of x in x
0.197 * [taylor]: Taking taylor expansion of (fma 1/2 (pow (/ 1 x) 2) (fma 1/6 (pow (/ 1 x) 3) (/ 1 x))) in x
0.197 * [taylor]: Rewrote expression to (+ (* 1/2 (pow (/ 1 x) 2)) (fma 1/6 (pow (/ 1 x) 3) (/ 1 x)))
0.197 * [taylor]: Taking taylor expansion of (* 1/2 (pow (/ 1 x) 2)) in x
0.198 * [taylor]: Taking taylor expansion of 1/2 in x
0.198 * [taylor]: Taking taylor expansion of (pow (/ 1 x) 2) in x
0.198 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.198 * [taylor]: Taking taylor expansion of x in x
0.198 * [taylor]: Taking taylor expansion of (fma 1/6 (pow (/ 1 x) 3) (/ 1 x)) in x
0.198 * [taylor]: Rewrote expression to (+ (* 1/6 (pow (/ 1 x) 3)) (/ 1 x))
0.198 * [taylor]: Taking taylor expansion of (* 1/6 (pow (/ 1 x) 3)) in x
0.198 * [taylor]: Taking taylor expansion of 1/6 in x
0.198 * [taylor]: Taking taylor expansion of (pow (/ 1 x) 3) in x
0.198 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.198 * [taylor]: Taking taylor expansion of x in x
0.198 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.198 * [taylor]: Taking taylor expansion of x in x
0.206 * [approximate]: Taking taylor expansion of (fma 1/2 (pow (/ -1 x) 2) (fma 1/6 (pow (/ -1 x) 3) (/ -1 x))) in (x) around 0
0.206 * [taylor]: Taking taylor expansion of (fma 1/2 (pow (/ -1 x) 2) (fma 1/6 (pow (/ -1 x) 3) (/ -1 x))) in x
0.206 * [taylor]: Rewrote expression to (+ (* 1/2 (pow (/ -1 x) 2)) (fma 1/6 (pow (/ -1 x) 3) (/ -1 x)))
0.207 * [taylor]: Taking taylor expansion of (* 1/2 (pow (/ -1 x) 2)) in x
0.207 * [taylor]: Taking taylor expansion of 1/2 in x
0.207 * [taylor]: Taking taylor expansion of (pow (/ -1 x) 2) in x
0.207 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.207 * [taylor]: Taking taylor expansion of -1 in x
0.207 * [taylor]: Taking taylor expansion of x in x
0.207 * [taylor]: Taking taylor expansion of (fma 1/6 (pow (/ -1 x) 3) (/ -1 x)) in x
0.207 * [taylor]: Rewrote expression to (+ (* 1/6 (pow (/ -1 x) 3)) (/ -1 x))
0.207 * [taylor]: Taking taylor expansion of (* 1/6 (pow (/ -1 x) 3)) in x
0.207 * [taylor]: Taking taylor expansion of 1/6 in x
0.207 * [taylor]: Taking taylor expansion of (pow (/ -1 x) 3) in x
0.207 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.207 * [taylor]: Taking taylor expansion of -1 in x
0.207 * [taylor]: Taking taylor expansion of x in x
0.207 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.207 * [taylor]: Taking taylor expansion of -1 in x
0.207 * [taylor]: Taking taylor expansion of x in x
0.208 * [taylor]: Taking taylor expansion of (fma 1/2 (pow (/ -1 x) 2) (fma 1/6 (pow (/ -1 x) 3) (/ -1 x))) in x
0.208 * [taylor]: Rewrote expression to (+ (* 1/2 (pow (/ -1 x) 2)) (fma 1/6 (pow (/ -1 x) 3) (/ -1 x)))
0.208 * [taylor]: Taking taylor expansion of (* 1/2 (pow (/ -1 x) 2)) in x
0.208 * [taylor]: Taking taylor expansion of 1/2 in x
0.208 * [taylor]: Taking taylor expansion of (pow (/ -1 x) 2) in x
0.208 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.208 * [taylor]: Taking taylor expansion of -1 in x
0.208 * [taylor]: Taking taylor expansion of x in x
0.208 * [taylor]: Taking taylor expansion of (fma 1/6 (pow (/ -1 x) 3) (/ -1 x)) in x
0.208 * [taylor]: Rewrote expression to (+ (* 1/6 (pow (/ -1 x) 3)) (/ -1 x))
0.208 * [taylor]: Taking taylor expansion of (* 1/6 (pow (/ -1 x) 3)) in x
0.208 * [taylor]: Taking taylor expansion of 1/6 in x
0.208 * [taylor]: Taking taylor expansion of (pow (/ -1 x) 3) in x
0.208 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.208 * [taylor]: Taking taylor expansion of -1 in x
0.208 * [taylor]: Taking taylor expansion of x in x
0.209 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.209 * [taylor]: Taking taylor expansion of -1 in x
0.209 * [taylor]: Taking taylor expansion of x in x
0.220 * * * [progress]: simplifying candidates
0.220 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (expm1 (fma 1/2 (pow x 2) (fma 1/6 (pow x 3) x)))
  (log1p (fma 1/2 (pow x 2) (fma 1/6 (pow x 3) x)))
  (* 1/2 (pow x 2))
  (log (fma 1/2 (pow x 2) (fma 1/6 (pow x 3) x)))
  (exp (fma 1/2 (pow x 2) (fma 1/6 (pow x 3) x)))
  (* (cbrt (fma 1/2 (pow x 2) (fma 1/6 (pow x 3) x))) (cbrt (fma 1/2 (pow x 2) (fma 1/6 (pow x 3) x))))
  (cbrt (fma 1/2 (pow x 2) (fma 1/6 (pow x 3) x)))
  (* (* (fma 1/2 (pow x 2) (fma 1/6 (pow x 3) x)) (fma 1/2 (pow x 2) (fma 1/6 (pow x 3) x))) (fma 1/2 (pow x 2) (fma 1/6 (pow x 3) x)))
  (sqrt (fma 1/2 (pow x 2) (fma 1/6 (pow x 3) x)))
  (sqrt (fma 1/2 (pow x 2) (fma 1/6 (pow x 3) x)))
  (+ (* 1/2 (pow x 2)) (+ (* 1/6 (pow x 3)) x))
  (+ (* 1/2 (pow x 2)) (+ x (* 1/6 (pow x 3))))
  (+ (* 1/2 (pow x 2)) (+ x (* 1/6 (pow x 3))))
0.223 * * [simplify]: iteration  0 :  45  enodes  (cost  74 )
0.225 * * [simplify]: iteration  1 :  152  enodes  (cost  65 )
0.230 * * [simplify]: iteration  2 :  948  enodes  (cost  65 )
0.254 * * [simplify]: iteration  3 :  5001  enodes  (cost  65 )
0.254 * [simplify]: Simplified to:
   (expm1 (fma 1/2 (pow x 2) (fma 1/6 (pow x 3) x)))
  (log1p (fma 1/2 (pow x 2) (fma 1/6 (pow x 3) x)))
  (* 1/2 (pow x 2))
  (log (fma 1/2 (pow x 2) (fma 1/6 (pow x 3) x)))
  (exp (fma 1/2 (pow x 2) (fma 1/6 (pow x 3) x)))
  (* (cbrt (fma 1/2 (pow x 2) (fma 1/6 (pow x 3) x))) (cbrt (fma 1/2 (pow x 2) (fma 1/6 (pow x 3) x))))
  (cbrt (fma 1/2 (pow x 2) (fma 1/6 (pow x 3) x)))
  (pow (fma 1/2 (pow x 2) (fma 1/6 (pow x 3) x)) 3)
  (sqrt (fma 1/2 (pow x 2) (fma 1/6 (pow x 3) x)))
  (sqrt (fma 1/2 (pow x 2) (fma 1/6 (pow x 3) x)))
  (fma 1/2 (pow x 2) (fma 1/6 (pow x 3) x))
  (fma 1/2 (pow x 2) (fma 1/6 (pow x 3) x))
  (fma 1/2 (pow x 2) (fma 1/6 (pow x 3) x))
0.255 * * * [progress]: adding candidates to table
0.280 * [progress]: [Phase 3 of 3] Extracting.
0.280 * * [regime]: Finding splitpoints for: (#<alt (λ (x) (- (exp x) 1.0))> #<alt (λ (x) (fma 1/2 (pow x 2) (fma 1/6 (pow x 3) x)))>)
0.280 * * * [regime-changes]: Trying 3 branch expressions: ((exp x) (- (exp x) 1.0) x)
0.280 * * * * [regimes]: Trying to branch on (exp x) from (#<alt (λ (x) (- (exp x) 1.0))> #<alt (λ (x) (fma 1/2 (pow x 2) (fma 1/6 (pow x 3) x)))>)
0.291 * * * * [regimes]: Trying to branch on (- (exp x) 1.0) from (#<alt (λ (x) (- (exp x) 1.0))> #<alt (λ (x) (fma 1/2 (pow x 2) (fma 1/6 (pow x 3) x)))>)
0.301 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x) (- (exp x) 1.0))> #<alt (λ (x) (fma 1/2 (pow x 2) (fma 1/6 (pow x 3) x)))>)
0.314 * * * [regime]: Found split indices: #<option (#s(si 1 255))>
0.314 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (fma 1/2 (pow x 2) (fma 1/6 (pow x 3) x))
0.315 * * [simplify]: iteration  0 :  9  enodes  (cost  4 )
0.315 * [simplify]: Simplified to:
   (fma 1/2 (pow x 2) (fma 1/6 (pow x 3) x))
1.714 * [regime-testing]: Baseline error score: 0.3411538563761439
1.715 * [regime-testing]: Oracle error score: 0.03859604655716338
1.716 * [regime-testing]: End program error score: 0.3411538563761439
1.730 * [regime-testing]: Target error score: 0.3502683397466693