16.711 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.013 * * * [progress]: [2/2] Setting up program.
0.015 * [progress]: [Phase 2 of 3] Improving.
0.015 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (* x x) 1.0)
0.017 * * [simplify]: iteration  0 :  6  enodes  (cost  2 )
0.018 * * [simplify]: iteration  1 :  7  enodes  (cost  2 )
0.019 * * [simplify]: iteration  2 :  7  enodes  (cost  2 )
0.019 * [simplify]: Simplified to:
   (- (* x x) 1.0)
0.020 * * [progress]: iteration 1 / 4
0.020 * * * [progress]: picking best candidate
0.021 * * * * [pick]: Picked  #<alt (λ (x) (- (* x x) 1.0))>
0.021 * * * [progress]: localizing error
0.023 * * * [progress]: generating rewritten candidates
0.023 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.027 * * * [progress]: generating series expansions
0.027 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.028 * [approximate]: Taking taylor expansion of (- (pow x 2) 1.0) in (x) around 0
0.028 * [taylor]: Taking taylor expansion of (- (pow x 2) 1.0) in x
0.028 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.028 * [taylor]: Taking taylor expansion of x in x
0.028 * [taylor]: Taking taylor expansion of 1.0 in x
0.028 * [taylor]: Taking taylor expansion of (- (pow x 2) 1.0) in x
0.028 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.028 * [taylor]: Taking taylor expansion of x in x
0.028 * [taylor]: Taking taylor expansion of 1.0 in x
0.036 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in (x) around 0
0.036 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in x
0.036 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.036 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.036 * [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 (pow x 2)) 1.0) in x
0.037 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.037 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.037 * [taylor]: Taking taylor expansion of x in x
0.037 * [taylor]: Taking taylor expansion of 1.0 in x
0.050 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in (x) around 0
0.050 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in x
0.050 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.050 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.050 * [taylor]: Taking taylor expansion of x in x
0.051 * [taylor]: Taking taylor expansion of 1.0 in x
0.051 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in x
0.051 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.051 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.051 * [taylor]: Taking taylor expansion of x in x
0.051 * [taylor]: Taking taylor expansion of 1.0 in x
0.064 * * * [progress]: simplifying candidates
0.065 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (exp (* x x)) (exp 1.0))
  (log (- (* x x) 1.0))
  (exp (- (* x x) 1.0))
  (* (cbrt (- (* x x) 1.0)) (cbrt (- (* x x) 1.0)))
  (cbrt (- (* x x) 1.0))
  (* (* (- (* x x) 1.0) (- (* x x) 1.0)) (- (* x x) 1.0))
  (sqrt (- (* x x) 1.0))
  (sqrt (- (* x x) 1.0))
  (- (pow (* x x) 3) (pow 1.0 3))
  (+ (* (* x x) (* x x)) (+ (* 1.0 1.0) (* (* x x) 1.0)))
  (- 1.0)
  (- (* (* x x) (* x x)) (* 1.0 1.0))
  (+ (* x x) 1.0)
  (+ x (sqrt 1.0))
  (- x (sqrt 1.0))
  (- 1.0)
  (- (pow x 2) 1.0)
  (- (pow x 2) 1.0)
  (- (pow x 2) 1.0)
0.067 * * [simplify]: iteration  0 :  73  enodes  (cost  63 )
0.069 * * [simplify]: iteration  1 :  216  enodes  (cost  56 )
0.073 * * [simplify]: iteration  2 :  535  enodes  (cost  56 )
0.083 * * [simplify]: iteration  3 :  1794  enodes  (cost  56 )
0.122 * * [simplify]: iteration  4 :  5001  enodes  (cost  56 )
0.123 * [simplify]: Simplified to:
   (exp (- (* x x) 1.0))
  (log (- (* x x) 1.0))
  (exp (- (* x x) 1.0))
  (* (cbrt (- (* x x) 1.0)) (cbrt (- (* x x) 1.0)))
  (cbrt (- (* x x) 1.0))
  (pow (- (pow x 2) 1.0) 3)
  (sqrt (- (* x x) 1.0))
  (sqrt (- (* x x) 1.0))
  (- (pow (* x x) 3) (pow 1.0 3))
  (+ (+ (pow x 4) (* (* x x) 1.0)) (* 1.0 1.0))
  (- 0 1.0)
  (+ (- (* 1.0 1.0)) (pow x 4))
  (+ (* x x) 1.0)
  (+ x (sqrt 1.0))
  (- x (sqrt 1.0))
  (- 0 1.0)
  (- (pow x 2) 1.0)
  (- (pow x 2) 1.0)
  (- (pow x 2) 1.0)
0.123 * * * [progress]: adding candidates to table
0.143 * * [progress]: iteration 2 / 4
0.143 * * * [progress]: picking best candidate
0.145 * * * * [pick]: Picked  #<alt (λ (x) (log (exp (- (* x x) 1.0))))>
0.145 * * * [progress]: localizing error
0.151 * * * [progress]: generating rewritten candidates
0.151 * * * * [progress]: [ 1 / 2 ] rewriting at (2 1)
0.156 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1 1)
0.160 * * * [progress]: generating series expansions
0.160 * * * * [progress]: [ 1 / 2 ] generating series at (2 1)
0.160 * [approximate]: Taking taylor expansion of (exp (- (pow x 2) 1.0)) in (x) around 0
0.160 * [taylor]: Taking taylor expansion of (exp (- (pow x 2) 1.0)) in x
0.160 * [taylor]: Taking taylor expansion of (- (pow x 2) 1.0) in x
0.160 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.161 * [taylor]: Taking taylor expansion of x in x
0.161 * [taylor]: Taking taylor expansion of 1.0 in x
0.162 * [taylor]: Taking taylor expansion of (exp (- (pow x 2) 1.0)) in x
0.162 * [taylor]: Taking taylor expansion of (- (pow x 2) 1.0) in x
0.162 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.162 * [taylor]: Taking taylor expansion of x in x
0.162 * [taylor]: Taking taylor expansion of 1.0 in x
0.178 * [approximate]: Taking taylor expansion of (exp (- (/ 1 (pow x 2)) 1.0)) in (x) around 0
0.178 * [taylor]: Taking taylor expansion of (exp (- (/ 1 (pow x 2)) 1.0)) in x
0.178 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in x
0.178 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.178 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.178 * [taylor]: Taking taylor expansion of x in x
0.178 * [taylor]: Taking taylor expansion of 1.0 in x
0.179 * [taylor]: Taking taylor expansion of (exp (- (/ 1 (pow x 2)) 1.0)) in x
0.179 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in x
0.179 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.179 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.179 * [taylor]: Taking taylor expansion of x in x
0.179 * [taylor]: Taking taylor expansion of 1.0 in x
0.180 * [approximate]: Taking taylor expansion of (exp (- (/ 1 (pow x 2)) 1.0)) in (x) around 0
0.180 * [taylor]: Taking taylor expansion of (exp (- (/ 1 (pow x 2)) 1.0)) in x
0.180 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in x
0.180 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.180 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.180 * [taylor]: Taking taylor expansion of x in x
0.181 * [taylor]: Taking taylor expansion of 1.0 in x
0.181 * [taylor]: Taking taylor expansion of (exp (- (/ 1 (pow x 2)) 1.0)) in x
0.181 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in x
0.181 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.181 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.181 * [taylor]: Taking taylor expansion of x in x
0.182 * [taylor]: Taking taylor expansion of 1.0 in x
0.182 * * * * [progress]: [ 2 / 2 ] generating series at (2 1 1)
0.182 * [approximate]: Taking taylor expansion of (- (pow x 2) 1.0) in (x) around 0
0.182 * [taylor]: Taking taylor expansion of (- (pow x 2) 1.0) in x
0.182 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.182 * [taylor]: Taking taylor expansion of x in x
0.182 * [taylor]: Taking taylor expansion of 1.0 in x
0.182 * [taylor]: Taking taylor expansion of (- (pow x 2) 1.0) in x
0.182 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.182 * [taylor]: Taking taylor expansion of x in x
0.182 * [taylor]: Taking taylor expansion of 1.0 in x
0.191 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in (x) around 0
0.191 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in x
0.191 * [taylor]: Taking taylor expansion of (/ 1 (pow x 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 1.0 in x
0.191 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in x
0.191 * [taylor]: Taking taylor expansion of (/ 1 (pow x 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 1.0 in x
0.205 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in (x) around 0
0.205 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in x
0.205 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.205 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.205 * [taylor]: Taking taylor expansion of x in x
0.205 * [taylor]: Taking taylor expansion of 1.0 in x
0.205 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in x
0.205 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.205 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.205 * [taylor]: Taking taylor expansion of x in x
0.206 * [taylor]: Taking taylor expansion of 1.0 in x
0.221 * * * [progress]: simplifying candidates
0.222 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (exp (* (cbrt (- (* x x) 1.0)) (cbrt (- (* x x) 1.0))))
  (exp (sqrt (- (* x x) 1.0)))
  (exp 1)
  (exp (+ x (sqrt 1.0)))
  (exp (* x x))
  (exp (- 1.0))
  (exp (* x x))
  (exp (- 1.0))
  (exp (* x x))
  (exp 1.0)
  (log (exp (- (* x x) 1.0)))
  (exp (exp (- (* x x) 1.0)))
  (* (cbrt (exp (- (* x x) 1.0))) (cbrt (exp (- (* x x) 1.0))))
  (cbrt (exp (- (* x x) 1.0)))
  (* (* (exp (- (* x x) 1.0)) (exp (- (* x x) 1.0))) (exp (- (* x x) 1.0)))
  (sqrt (exp (- (* x x) 1.0)))
  (sqrt (exp (- (* x x) 1.0)))
  (/ (exp (* x x)) (exp 1.0))
  (log (- (* x x) 1.0))
  (exp (- (* x x) 1.0))
  (* (cbrt (- (* x x) 1.0)) (cbrt (- (* x x) 1.0)))
  (cbrt (- (* x x) 1.0))
  (* (* (- (* x x) 1.0) (- (* x x) 1.0)) (- (* x x) 1.0))
  (sqrt (- (* x x) 1.0))
  (sqrt (- (* x x) 1.0))
  (- (pow (* x x) 3) (pow 1.0 3))
  (+ (* (* x x) (* x x)) (+ (* 1.0 1.0) (* (* x x) 1.0)))
  (- 1.0)
  (- (* (* x x) (* x x)) (* 1.0 1.0))
  (+ (* x x) 1.0)
  (+ x (sqrt 1.0))
  (- x (sqrt 1.0))
  (- 1.0)
  (+ (* (pow x 2) (exp (- 1.0))) (+ (exp (- 1.0)) (* 1/2 (* (pow x 4) (exp (- 1.0))))))
  (exp (- (pow x 2) 1.0))
  (exp (- (pow x 2) 1.0))
  (- (pow x 2) 1.0)
  (- (pow x 2) 1.0)
  (- (pow x 2) 1.0)
0.225 * * [simplify]: iteration  0 :  120  enodes  (cost  145 )
0.228 * * [simplify]: iteration  1 :  367  enodes  (cost  130 )
0.234 * * [simplify]: iteration  2 :  1190  enodes  (cost  127 )
0.264 * * [simplify]: iteration  3 :  5002  enodes  (cost  127 )
0.265 * [simplify]: Simplified to:
   (exp (* (cbrt (- (* x x) 1.0)) (cbrt (- (* x x) 1.0))))
  (exp (sqrt (- (* x x) 1.0)))
  E
  (exp (+ x (sqrt 1.0)))
  (exp (* x x))
  (exp (- 1.0))
  (exp (* x x))
  (exp (- 1.0))
  (exp (* x x))
  (exp 1.0)
  (- (* x x) 1.0)
  (exp (exp (- (* x x) 1.0)))
  (* (cbrt (exp (- (* x x) 1.0))) (cbrt (exp (- (* x x) 1.0))))
  (cbrt (exp (- (* x x) 1.0)))
  (pow (exp (- (pow x 2) 1.0)) 3)
  (sqrt (exp (- (* x x) 1.0)))
  (sqrt (exp (- (* x x) 1.0)))
  (exp (- (pow x 2) 1.0))
  (log (- (* x x) 1.0))
  (exp (- (pow x 2) 1.0))
  (* (cbrt (- (* x x) 1.0)) (cbrt (- (* x x) 1.0)))
  (cbrt (- (* x x) 1.0))
  (pow (- (* x x) 1.0) 3)
  (sqrt (- (* x x) 1.0))
  (sqrt (- (* x x) 1.0))
  (- (pow (* x x) 3) (pow 1.0 3))
  (+ (+ (pow x 4) (* (* x x) 1.0)) (* 1.0 1.0))
  (- 0 1.0)
  (+ (- (* 1.0 1.0)) (pow x 4))
  (+ (* x x) 1.0)
  (+ x (sqrt 1.0))
  (- x (sqrt 1.0))
  (- 0 1.0)
  (* (exp (- 1.0)) (+ (+ (pow x 2) 1) (* 1/2 (pow x 4))))
  (exp (- (pow x 2) 1.0))
  (exp (- (pow x 2) 1.0))
  (- (* x x) 1.0)
  (- (* x x) 1.0)
  (- (* x x) 1.0)
0.266 * * * [progress]: adding candidates to table
0.315 * [progress]: [Phase 3 of 3] Extracting.
0.315 * * [regime]: Finding splitpoints for: (#<alt (λ (x) (- (* x x) 1.0))> #<alt (λ (x) (log (exp (- (* x x) 1.0))))>)
0.315 * * * [regime-changes]: Trying 3 branch expressions: ((* x x) (- (* x x) 1.0) x)
0.315 * * * * [regimes]: Trying to branch on (* x x) from (#<alt (λ (x) (- (* x x) 1.0))> #<alt (λ (x) (log (exp (- (* x x) 1.0))))>)
0.326 * * * * [regimes]: Trying to branch on (- (* x x) 1.0) from (#<alt (λ (x) (- (* x x) 1.0))> #<alt (λ (x) (log (exp (- (* x x) 1.0))))>)
0.334 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x) (- (* x x) 1.0))> #<alt (λ (x) (log (exp (- (* x x) 1.0))))>)
0.343 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
0.343 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (* x x) 1.0)
0.343 * * [simplify]: iteration  0 :  4  enodes  (cost  2 )
0.343 * [simplify]: Simplified to:
   (- (* x x) 1.0)
0.818 * [regime-testing]: Baseline error score: 0.0013964151770774237
0.818 * [regime-testing]: Oracle error score: 0.0011982700963521886
0.819 * [regime-testing]: End program error score: 0.0013964151770774237