83.579 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.057 * * * [progress]: [2/2] Setting up program.
0.059 * [progress]: [Phase 2 of 3] Improving.
0.064 * [simplify]: Simplifying:
  (- (* (* x x) 2.0) 1.0)
0.064 * * [simplify]: Extracting # 0 : cost  0
0.064 * * [simplify]: Extracting # 1 : cost  0
0.064 * * [simplify]: Extracting # 2 : cost  0
0.064 * * [simplify]: Extracting # 3 : cost  0
0.064 * * [simplify]: Extracting # 4 : cost  0
0.064 * * [simplify]: Extracting # 5 : cost  0
0.064 * * [simplify]: iteration  0 :  6  enodes  (cost  7 )
0.067 * * [simplify]: Extracting # 0 : cost  0
0.067 * * [simplify]: Extracting # 1 : cost  0
0.067 * * [simplify]: Extracting # 2 : cost  0
0.067 * * [simplify]: iteration  1 :  11  enodes  (cost  7 )
0.071 * * [simplify]: Extracting # 0 : cost  0
0.071 * * [simplify]: iteration  2 :  15  enodes  (cost  7 )
0.076 * * [simplify]: Extracting # 0 : cost  0
0.076 * * [simplify]: iteration done:  15  enodes  (cost  7 )
0.076 * [simplify]: Simplified to:
  (- (* (* x x) 2.0) 1.0)
0.077 * * [progress]: iteration 1 / 4
0.077 * * * [progress]: picking best candidate
0.078 * * * * [pick]: Picked  #<alt (λ (x) (- (* (* x x) 2.0) 1.0))>
0.079 * * * [progress]: localizing error
0.088 * * * [progress]: generating rewritten candidates
0.088 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1)
0.141 * * * [progress]: generating series expansions
0.141 * * * * [progress]: [ 1 / 1 ] generating series at (2 1)
0.141 * [backup-simplify]: Simplify (* (* x x) 2.0) into (* 2.0 (pow x 2))
0.141 * [approximate]: Taking taylor expansion of (* 2.0 (pow x 2)) in (x) around 0
0.141 * [taylor]: Taking taylor expansion of (* 2.0 (pow x 2)) in x
0.141 * [taylor]: Taking taylor expansion of 2.0 in x
0.141 * [backup-simplify]: Simplify 2.0 into 2.0
0.141 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.141 * [taylor]: Taking taylor expansion of x in x
0.141 * [backup-simplify]: Simplify 0 into 0
0.141 * [backup-simplify]: Simplify 1 into 1
0.141 * [taylor]: Taking taylor expansion of (* 2.0 (pow x 2)) in x
0.141 * [taylor]: Taking taylor expansion of 2.0 in x
0.141 * [backup-simplify]: Simplify 2.0 into 2.0
0.141 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.141 * [taylor]: Taking taylor expansion of x in x
0.141 * [backup-simplify]: Simplify 0 into 0
0.141 * [backup-simplify]: Simplify 1 into 1
0.142 * [backup-simplify]: Simplify (* 1 1) into 1
0.143 * [backup-simplify]: Simplify (* 2.0 1) into 2.0
0.143 * [backup-simplify]: Simplify 2.0 into 2.0
0.144 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.144 * [backup-simplify]: Simplify (+ (* 2.0 0) (* 0 1)) into 0
0.144 * [backup-simplify]: Simplify 0 into 0
0.145 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.146 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (* 0 1))) into 0
0.146 * [backup-simplify]: Simplify 0 into 0
0.147 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.148 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.148 * [backup-simplify]: Simplify 0 into 0
0.149 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.151 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.151 * [backup-simplify]: Simplify 0 into 0
0.152 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
0.153 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
0.153 * [backup-simplify]: Simplify 0 into 0
0.155 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
0.156 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
0.156 * [backup-simplify]: Simplify 0 into 0
0.156 * [backup-simplify]: Simplify (* 2.0 (pow x 2)) into (* 2.0 (pow x 2))
0.157 * [backup-simplify]: Simplify (* (* (/ 1 x) (/ 1 x)) 2.0) into (/ 2.0 (pow x 2))
0.157 * [approximate]: Taking taylor expansion of (/ 2.0 (pow x 2)) in (x) around 0
0.157 * [taylor]: Taking taylor expansion of (/ 2.0 (pow x 2)) in x
0.157 * [taylor]: Taking taylor expansion of 2.0 in x
0.157 * [backup-simplify]: Simplify 2.0 into 2.0
0.157 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.157 * [taylor]: Taking taylor expansion of x in x
0.157 * [backup-simplify]: Simplify 0 into 0
0.157 * [backup-simplify]: Simplify 1 into 1
0.157 * [backup-simplify]: Simplify (* 1 1) into 1
0.158 * [backup-simplify]: Simplify (/ 2.0 1) into 2.0
0.158 * [taylor]: Taking taylor expansion of (/ 2.0 (pow x 2)) in x
0.158 * [taylor]: Taking taylor expansion of 2.0 in x
0.158 * [backup-simplify]: Simplify 2.0 into 2.0
0.158 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.158 * [taylor]: Taking taylor expansion of x in x
0.158 * [backup-simplify]: Simplify 0 into 0
0.158 * [backup-simplify]: Simplify 1 into 1
0.158 * [backup-simplify]: Simplify (* 1 1) into 1
0.159 * [backup-simplify]: Simplify (/ 2.0 1) into 2.0
0.159 * [backup-simplify]: Simplify 2.0 into 2.0
0.159 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.160 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)))) into 0
0.160 * [backup-simplify]: Simplify 0 into 0
0.161 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.162 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.162 * [backup-simplify]: Simplify 0 into 0
0.163 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.163 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.163 * [backup-simplify]: Simplify 0 into 0
0.165 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.165 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.165 * [backup-simplify]: Simplify 0 into 0
0.167 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
0.168 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.168 * [backup-simplify]: Simplify 0 into 0
0.169 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
0.170 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.170 * [backup-simplify]: Simplify 0 into 0
0.170 * [backup-simplify]: Simplify (* 2.0 (pow (/ 1 (/ 1 x)) 2)) into (* 2.0 (pow x 2))
0.170 * [backup-simplify]: Simplify (* (* (/ 1 (- x)) (/ 1 (- x))) 2.0) into (/ 2.0 (pow x 2))
0.170 * [approximate]: Taking taylor expansion of (/ 2.0 (pow x 2)) in (x) around 0
0.171 * [taylor]: Taking taylor expansion of (/ 2.0 (pow x 2)) in x
0.171 * [taylor]: Taking taylor expansion of 2.0 in x
0.171 * [backup-simplify]: Simplify 2.0 into 2.0
0.171 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.171 * [taylor]: Taking taylor expansion of x in x
0.171 * [backup-simplify]: Simplify 0 into 0
0.171 * [backup-simplify]: Simplify 1 into 1
0.171 * [backup-simplify]: Simplify (* 1 1) into 1
0.171 * [backup-simplify]: Simplify (/ 2.0 1) into 2.0
0.171 * [taylor]: Taking taylor expansion of (/ 2.0 (pow x 2)) in x
0.172 * [taylor]: Taking taylor expansion of 2.0 in x
0.172 * [backup-simplify]: Simplify 2.0 into 2.0
0.172 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.172 * [taylor]: Taking taylor expansion of x in x
0.172 * [backup-simplify]: Simplify 0 into 0
0.172 * [backup-simplify]: Simplify 1 into 1
0.172 * [backup-simplify]: Simplify (* 1 1) into 1
0.172 * [backup-simplify]: Simplify (/ 2.0 1) into 2.0
0.173 * [backup-simplify]: Simplify 2.0 into 2.0
0.173 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.174 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)))) into 0
0.174 * [backup-simplify]: Simplify 0 into 0
0.175 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.176 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.176 * [backup-simplify]: Simplify 0 into 0
0.177 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.178 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.178 * [backup-simplify]: Simplify 0 into 0
0.178 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.179 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.179 * [backup-simplify]: Simplify 0 into 0
0.180 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
0.181 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.181 * [backup-simplify]: Simplify 0 into 0
0.182 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
0.184 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.184 * [backup-simplify]: Simplify 0 into 0
0.184 * [backup-simplify]: Simplify (* 2.0 (pow (/ 1 (/ 1 (- x))) 2)) into (* 2.0 (pow x 2))
0.184 * * * [progress]: simplifying candidates
0.185 * [simplify]: Simplifying:
  (* (* x x) 2.0)
  (* (* x x) 2.0)
  (+ (+ (log x) (log x)) (log 2.0))
  (+ (log (* x x)) (log 2.0))
  (log (* (* x x) 2.0))
  (exp (* (* x x) 2.0))
  (* (* (* (* x x) x) (* (* x x) x)) (* (* 2.0 2.0) 2.0))
  (* (* (* (* x x) (* x x)) (* x x)) (* (* 2.0 2.0) 2.0))
  (* (cbrt (* (* x x) 2.0)) (cbrt (* (* x x) 2.0)))
  (cbrt (* (* x x) 2.0))
  (* (* (* (* x x) 2.0) (* (* x x) 2.0)) (* (* x x) 2.0))
  (sqrt (* (* x x) 2.0))
  (sqrt (* (* x x) 2.0))
  (* x (sqrt 2.0))
  (* x (sqrt 2.0))
  (* (* x x) (* (cbrt 2.0) (cbrt 2.0)))
  (* (* x x) (sqrt 2.0))
  (* (* x x) 1)
  (* x 2.0)
  (* 2.0 (pow x 2))
  (* 2.0 (pow x 2))
  (* 2.0 (pow x 2))
0.185 * * [simplify]: Extracting # 0 : cost  0
0.185 * * [simplify]: Extracting # 1 : cost  0
0.185 * * [simplify]: Extracting # 2 : cost  0
0.186 * * [simplify]: Extracting # 3 : cost  0
0.186 * * [simplify]: Extracting # 4 : cost  0
0.186 * * [simplify]: Extracting # 5 : cost  0
0.186 * * [simplify]: iteration  0 :  37  enodes  (cost  165 )
0.203 * * [simplify]: Extracting # 0 : cost  0
0.203 * * [simplify]: Extracting # 1 : cost  0
0.203 * * [simplify]: Extracting # 2 : cost  0
0.203 * * [simplify]: iteration  1 :  103  enodes  (cost  160 )
0.323 * * [simplify]: Extracting # 0 : cost  0
0.325 * * [simplify]: Extracting # 1 : cost  0
0.326 * * [simplify]: Extracting # 2 : cost  0
0.328 * * [simplify]: Extracting # 3 : cost  0
0.329 * * [simplify]: Extracting # 4 : cost  0
0.331 * * [simplify]: iteration  2 :  711  enodes  (cost  134 )
1.434 * * [simplify]: Extracting # 0 : cost  0
1.446 * * [simplify]: Extracting # 1 : cost  0
1.460 * * [simplify]: Extracting # 2 : cost  0
1.471 * * [simplify]: Extracting # 3 : cost  0
1.480 * * [simplify]: Extracting # 4 : cost  0
1.494 * * [simplify]: iteration done:  5001  enodes  (cost  130 )
1.494 * [simplify]: Simplified to:
  (* 2.0 (* x x))
  (* 2.0 (* x x))
  (log (* 2.0 (pow x 2)))
  (log (* 2.0 (pow x 2)))
  (log (* 2.0 (pow x 2)))
  (exp (* (* x x) 2.0))
  (pow (* 2.0 (* x x)) 3)
  (pow (* 2.0 (* x x)) 3)
  (* (cbrt (* (* x x) 2.0)) (cbrt (* (* x x) 2.0)))
  (cbrt (* (* x x) 2.0))
  (pow (* 2.0 (* x x)) 3)
  (sqrt (* (* x x) 2.0))
  (sqrt (* (* x x) 2.0))
  (* x (sqrt 2.0))
  (* x (sqrt 2.0))
  (* (* x x) (* (cbrt 2.0) (cbrt 2.0)))
  (* (* x x) (sqrt 2.0))
  (* x x)
  (* x 2.0)
  (* 2.0 (* x x))
  (* 2.0 (* x x))
  (* 2.0 (* x x))
1.495 * * * [progress]: adding candidates to table
1.559 * [progress]: [Phase 3 of 3] Extracting.
1.561 * [simplify]: Simplifying:
  (- (* (* x x) 2.0) 1.0)
1.562 * * [simplify]: Extracting # 0 : cost  0
1.562 * * [simplify]: Extracting # 1 : cost  0
1.562 * * [simplify]: Extracting # 2 : cost  0
1.562 * * [simplify]: Extracting # 3 : cost  0
1.562 * * [simplify]: Extracting # 4 : cost  0
1.562 * * [simplify]: Extracting # 5 : cost  0
1.562 * * [simplify]: iteration  0 :  6  enodes  (cost  7 )
1.562 * * [simplify]: Extracting # 0 : cost  0
1.563 * * [simplify]: iteration  1 :  7  enodes  (cost  7 )
1.563 * * [simplify]: Extracting # 0 : cost  0
1.563 * * [simplify]: iteration done:  7  enodes  (cost  7 )
1.563 * [simplify]: Simplified to:
  (- (* (* x x) 2.0) 1.0)
2.470 * [regime-testing]: Baseline error score: 0.0016297254172463413
2.474 * [regime-testing]: Oracle error score: 0.0016297254172463413
2.474 * [regime-testing]: End program error score: 0.0016297254172463413