9.958 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.012 * * * [progress]: [2/2] Setting up program.
0.014 * [progress]: [Phase 2 of 3] Improving.
0.014 * [simplify]: Simplifying:
  (+ (* x x) 1.0)
0.014 * * [simplify]: Extracting # 0 : cost  0
0.014 * * [simplify]: Extracting # 1 : cost  0
0.014 * * [simplify]: Extracting # 2 : cost  0
0.014 * * [simplify]: Extracting # 3 : cost  0
0.014 * * [simplify]: Extracting # 4 : cost  0
0.014 * * [simplify]: iteration  0 :  4  enodes  (cost  5 )
0.015 * * [simplify]: Extracting # 0 : cost  0
0.015 * * [simplify]: iteration  1 :  5  enodes  (cost  5 )
0.015 * * [simplify]: Extracting # 0 : cost  0
0.015 * * [simplify]: iteration done:  5  enodes  (cost  5 )
0.015 * [simplify]: Simplified to:
  (+ (* x x) 1.0)
0.016 * * [progress]: iteration 1 / 4
0.016 * * * [progress]: picking best candidate
0.016 * * * * [pick]: Picked  #<alt (λ (x) (+ (* x x) 1.0))>
0.017 * * * [progress]: localizing error
0.020 * * * [progress]: generating rewritten candidates
0.020 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.028 * * * [progress]: generating series expansions
0.028 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.028 * [backup-simplify]: Simplify (+ (* x x) 1.0) into (+ (pow x 2) 1.0)
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 * [backup-simplify]: Simplify 0 into 0
0.028 * [backup-simplify]: Simplify 1 into 1
0.028 * [taylor]: Taking taylor expansion of 1.0 in x
0.028 * [backup-simplify]: Simplify 1.0 into 1.0
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 * [backup-simplify]: Simplify 0 into 0
0.028 * [backup-simplify]: Simplify 1 into 1
0.028 * [taylor]: Taking taylor expansion of 1.0 in x
0.029 * [backup-simplify]: Simplify 1.0 into 1.0
0.029 * [backup-simplify]: Simplify (+ 0 1.0) into 1.0
0.029 * [backup-simplify]: Simplify 1.0 into 1.0
0.029 * [backup-simplify]: Simplify (+ 0 0) into 0
0.029 * [backup-simplify]: Simplify 0 into 0
0.030 * [backup-simplify]: Simplify (* 1 1) into 1
0.030 * [backup-simplify]: Simplify (+ 1 0) into 1
0.030 * [backup-simplify]: Simplify 1 into 1
0.030 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.031 * [backup-simplify]: Simplify (+ 0 0) into 0
0.031 * [backup-simplify]: Simplify 0 into 0
0.031 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.031 * [backup-simplify]: Simplify (+ 0 0) into 0
0.031 * [backup-simplify]: Simplify 0 into 0
0.032 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.032 * [backup-simplify]: Simplify (+ 0 0) into 0
0.032 * [backup-simplify]: Simplify 0 into 0
0.042 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.042 * [backup-simplify]: Simplify (+ 0 0) into 0
0.042 * [backup-simplify]: Simplify 0 into 0
0.043 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
0.044 * [backup-simplify]: Simplify (+ 0 0) into 0
0.044 * [backup-simplify]: Simplify 0 into 0
0.045 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
0.046 * [backup-simplify]: Simplify (+ 0 0) into 0
0.046 * [backup-simplify]: Simplify 0 into 0
0.046 * [backup-simplify]: Simplify (+ (* 1 (pow x 2)) 1.0) into (+ (pow x 2) 1.0)
0.046 * [backup-simplify]: Simplify (+ (* (/ 1 x) (/ 1 x)) 1.0) into (+ (/ 1 (pow x 2)) 1.0)
0.046 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) 1.0) in (x) around 0
0.046 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) 1.0) in x
0.046 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.046 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.046 * [taylor]: Taking taylor expansion of x in x
0.046 * [backup-simplify]: Simplify 0 into 0
0.046 * [backup-simplify]: Simplify 1 into 1
0.047 * [backup-simplify]: Simplify (* 1 1) into 1
0.047 * [backup-simplify]: Simplify (/ 1 1) into 1
0.047 * [taylor]: Taking taylor expansion of 1.0 in x
0.047 * [backup-simplify]: Simplify 1.0 into 1.0
0.047 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) 1.0) in x
0.047 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.047 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.047 * [taylor]: Taking taylor expansion of x in x
0.047 * [backup-simplify]: Simplify 0 into 0
0.047 * [backup-simplify]: Simplify 1 into 1
0.048 * [backup-simplify]: Simplify (* 1 1) into 1
0.048 * [backup-simplify]: Simplify (/ 1 1) into 1
0.048 * [taylor]: Taking taylor expansion of 1.0 in x
0.048 * [backup-simplify]: Simplify 1.0 into 1.0
0.049 * [backup-simplify]: Simplify (+ 1 0) into 1
0.049 * [backup-simplify]: Simplify 1 into 1
0.049 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.050 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.050 * [backup-simplify]: Simplify (+ 0 0) into 0
0.050 * [backup-simplify]: Simplify 0 into 0
0.051 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.052 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.053 * [backup-simplify]: Simplify (+ 0 1.0) into 1.0
0.053 * [backup-simplify]: Simplify 1.0 into 1.0
0.054 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.054 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.055 * [backup-simplify]: Simplify (+ 0 0) into 0
0.055 * [backup-simplify]: Simplify 0 into 0
0.056 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.057 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.057 * [backup-simplify]: Simplify (+ 0 0) into 0
0.057 * [backup-simplify]: Simplify 0 into 0
0.059 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
0.060 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.060 * [backup-simplify]: Simplify (+ 0 0) into 0
0.060 * [backup-simplify]: Simplify 0 into 0
0.062 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
0.063 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.063 * [backup-simplify]: Simplify (+ 0 0) into 0
0.063 * [backup-simplify]: Simplify 0 into 0
0.065 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0
0.066 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.066 * [backup-simplify]: Simplify (+ 0 0) into 0
0.066 * [backup-simplify]: Simplify 0 into 0
0.068 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))))) into 0
0.069 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.069 * [backup-simplify]: Simplify (+ 0 0) into 0
0.069 * [backup-simplify]: Simplify 0 into 0
0.070 * [backup-simplify]: Simplify (+ 1.0 (* 1 (pow (/ 1 (/ 1 x)) 2))) into (+ (pow x 2) 1.0)
0.070 * [backup-simplify]: Simplify (+ (* (/ 1 (- x)) (/ 1 (- x))) 1.0) into (+ (/ 1 (pow x 2)) 1.0)
0.070 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) 1.0) in (x) around 0
0.070 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) 1.0) in x
0.070 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.070 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.070 * [taylor]: Taking taylor expansion of x in x
0.070 * [backup-simplify]: Simplify 0 into 0
0.070 * [backup-simplify]: Simplify 1 into 1
0.070 * [backup-simplify]: Simplify (* 1 1) into 1
0.071 * [backup-simplify]: Simplify (/ 1 1) into 1
0.071 * [taylor]: Taking taylor expansion of 1.0 in x
0.071 * [backup-simplify]: Simplify 1.0 into 1.0
0.071 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) 1.0) in x
0.071 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.071 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.071 * [taylor]: Taking taylor expansion of x in x
0.071 * [backup-simplify]: Simplify 0 into 0
0.071 * [backup-simplify]: Simplify 1 into 1
0.071 * [backup-simplify]: Simplify (* 1 1) into 1
0.072 * [backup-simplify]: Simplify (/ 1 1) into 1
0.072 * [taylor]: Taking taylor expansion of 1.0 in x
0.072 * [backup-simplify]: Simplify 1.0 into 1.0
0.072 * [backup-simplify]: Simplify (+ 1 0) into 1
0.072 * [backup-simplify]: Simplify 1 into 1
0.073 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.074 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.074 * [backup-simplify]: Simplify (+ 0 0) into 0
0.074 * [backup-simplify]: Simplify 0 into 0
0.075 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.076 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.076 * [backup-simplify]: Simplify (+ 0 1.0) into 1.0
0.077 * [backup-simplify]: Simplify 1.0 into 1.0
0.078 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.079 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.079 * [backup-simplify]: Simplify (+ 0 0) into 0
0.079 * [backup-simplify]: Simplify 0 into 0
0.080 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.081 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.082 * [backup-simplify]: Simplify (+ 0 0) into 0
0.082 * [backup-simplify]: Simplify 0 into 0
0.083 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
0.084 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.084 * [backup-simplify]: Simplify (+ 0 0) into 0
0.084 * [backup-simplify]: Simplify 0 into 0
0.086 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
0.087 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.087 * [backup-simplify]: Simplify (+ 0 0) into 0
0.087 * [backup-simplify]: Simplify 0 into 0
0.089 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0
0.090 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.090 * [backup-simplify]: Simplify (+ 0 0) into 0
0.090 * [backup-simplify]: Simplify 0 into 0
0.092 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))))) into 0
0.093 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.094 * [backup-simplify]: Simplify (+ 0 0) into 0
0.094 * [backup-simplify]: Simplify 0 into 0
0.094 * [backup-simplify]: Simplify (+ 1.0 (* 1 (pow (/ 1 (/ 1 (- x))) 2))) into (+ (pow x 2) 1.0)
0.094 * * * [progress]: simplifying candidates
0.095 * [simplify]: Simplifying:
  (* (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)))
  (- (* (* x x) (* x x)) (* 1.0 1.0))
  (- (* x x) 1.0)
  (+ (pow x 2) 1.0)
  (+ (pow x 2) 1.0)
  (+ (pow x 2) 1.0)
0.095 * * [simplify]: Extracting # 0 : cost  0
0.095 * * [simplify]: Extracting # 1 : cost  0
0.095 * * [simplify]: Extracting # 2 : cost  0
0.095 * * [simplify]: Extracting # 3 : cost  0
0.095 * * [simplify]: Extracting # 4 : cost  0
0.096 * * [simplify]: Extracting # 5 : cost  0
0.096 * * [simplify]: iteration  0 :  28  enodes  (cost  124 )
0.109 * * [simplify]: Extracting # 0 : cost  0
0.110 * * [simplify]: Extracting # 1 : cost  0
0.110 * * [simplify]: Extracting # 2 : cost  0
0.110 * * [simplify]: Extracting # 3 : cost  0
0.110 * * [simplify]: Extracting # 4 : cost  0
0.110 * * [simplify]: iteration  1 :  81  enodes  (cost  121 )
0.160 * * [simplify]: Extracting # 0 : cost  0
0.161 * * [simplify]: Extracting # 1 : cost  0
0.161 * * [simplify]: Extracting # 2 : cost  0
0.161 * * [simplify]: Extracting # 3 : cost  0
0.162 * * [simplify]: iteration  2 :  204  enodes  (cost  101 )
0.245 * * [simplify]: Extracting # 0 : cost  0
0.246 * * [simplify]: Extracting # 1 : cost  0
0.247 * * [simplify]: Extracting # 2 : cost  0
0.248 * * [simplify]: Extracting # 3 : cost  0
0.248 * * [simplify]: Extracting # 4 : cost  0
0.249 * * [simplify]: iteration  3 :  425  enodes  (cost  101 )
0.473 * * [simplify]: Extracting # 0 : cost  0
0.474 * * [simplify]: Extracting # 1 : cost  0
0.475 * * [simplify]: Extracting # 2 : cost  0
0.476 * * [simplify]: Extracting # 3 : cost  0
0.476 * * [simplify]: Extracting # 4 : cost  0
0.477 * * [simplify]: iteration  4 :  1105  enodes  (cost  101 )
1.409 * * [simplify]: Extracting # 0 : cost  0
1.415 * * [simplify]: Extracting # 1 : cost  0
1.419 * * [simplify]: Extracting # 2 : cost  0
1.423 * * [simplify]: Extracting # 3 : cost  0
1.426 * * [simplify]: Extracting # 4 : cost  0
1.428 * * [simplify]: Extracting # 5 : cost  0
1.431 * * [simplify]: iteration  5 :  2782  enodes  (cost  101 )
2.988 * * [simplify]: Extracting # 0 : cost  0
2.997 * * [simplify]: Extracting # 1 : cost  0
3.006 * * [simplify]: Extracting # 2 : cost  0
3.011 * * [simplify]: Extracting # 3 : cost  0
3.017 * * [simplify]: Extracting # 4 : cost  0
3.021 * * [simplify]: iteration done:  5000  enodes  (cost  101 )
3.021 * [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 (+ (* x x) 1.0) 3)
  (sqrt (+ (* x x) 1.0))
  (sqrt (+ (* x x) 1.0))
  (+ (pow x 6) (pow 1.0 3))
  (+ (* 1.0 (- 1.0 (* x x))) (pow x 4))
  (- (pow x 4) (* 1.0 1.0))
  (- (* x x) 1.0)
  (+ (* x x) 1.0)
  (+ (* x x) 1.0)
  (+ (* x x) 1.0)
3.022 * * * [progress]: adding candidates to table
3.047 * [progress]: [Phase 3 of 3] Extracting.
3.048 * [simplify]: Simplifying:
  (+ (* x x) 1.0)
3.049 * * [simplify]: Extracting # 0 : cost  0
3.049 * * [simplify]: Extracting # 1 : cost  0
3.049 * * [simplify]: Extracting # 2 : cost  0
3.049 * * [simplify]: Extracting # 3 : cost  0
3.049 * * [simplify]: Extracting # 4 : cost  0
3.049 * * [simplify]: iteration  0 :  4  enodes  (cost  5 )
3.049 * * [simplify]: Extracting # 0 : cost  0
3.049 * * [simplify]: iteration  1 :  5  enodes  (cost  5 )
3.049 * * [simplify]: Extracting # 0 : cost  0
3.049 * * [simplify]: iteration done:  5  enodes  (cost  5 )
3.049 * [simplify]: Simplified to:
  (+ (* x x) 1.0)
3.579 * [regime-testing]: Baseline error score: 0.0008751093886735842
3.582 * [regime-testing]: Oracle error score: 0.0008751093886735842
3.582 * [regime-testing]: End program error score: 0.0008751093886735842