4.018 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.012 * * * [progress]: [2/2] Setting up program.
0.013 * [progress]: [Phase 2 of 3] Improving.
0.014 * [simplify]: Simplifying:
  (- (* x x) 1.0)
0.014 * [simplify]: Sending expressions to egg_math:
 (- (* h1 h1) h0)
0.016 * * [progress]: iteration 1 / 4
0.016 * * * [progress]: picking best candidate
0.017 * * * * [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)
0.029 * * * [progress]: generating series expansions
0.029 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.029 * [backup-simplify]: Simplify (- (* x x) 1.0) into (- (pow x 2) 1.0)
0.029 * [approximate]: Taking taylor expansion of (- (pow x 2) 1.0) in (x) around 0
0.029 * [taylor]: Taking taylor expansion of (- (pow x 2) 1.0) in x
0.029 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.029 * [taylor]: Taking taylor expansion of x in x
0.029 * [backup-simplify]: Simplify 0 into 0
0.029 * [backup-simplify]: Simplify 1 into 1
0.029 * [taylor]: Taking taylor expansion of 1.0 in x
0.029 * [backup-simplify]: Simplify 1.0 into 1.0
0.029 * [taylor]: Taking taylor expansion of (- (pow x 2) 1.0) in x
0.029 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.029 * [taylor]: Taking taylor expansion of x in x
0.029 * [backup-simplify]: Simplify 0 into 0
0.029 * [backup-simplify]: Simplify 1 into 1
0.029 * [taylor]: Taking taylor expansion of 1.0 in x
0.029 * [backup-simplify]: Simplify 1.0 into 1.0
0.029 * [backup-simplify]: Simplify (- 1.0) into (- 1.0)
0.030 * [backup-simplify]: Simplify (+ 0 (- 1.0)) into (- 1.0)
0.030 * [backup-simplify]: Simplify (- 1.0) into (- 1.0)
0.031 * [backup-simplify]: Simplify (- 0) 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 1) into 1
0.031 * [backup-simplify]: Simplify (- 0) into 0
0.031 * [backup-simplify]: Simplify (+ 1 0) into 1
0.031 * [backup-simplify]: Simplify 1 into 1
0.032 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.032 * [backup-simplify]: Simplify (- 0) into 0
0.032 * [backup-simplify]: Simplify (+ 0 0) into 0
0.032 * [backup-simplify]: Simplify 0 into 0
0.033 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.033 * [backup-simplify]: Simplify (- 0) into 0
0.033 * [backup-simplify]: Simplify (+ 0 0) into 0
0.033 * [backup-simplify]: Simplify 0 into 0
0.034 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.034 * [backup-simplify]: Simplify (- 0) into 0
0.034 * [backup-simplify]: Simplify (+ 0 0) into 0
0.034 * [backup-simplify]: Simplify 0 into 0
0.035 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.035 * [backup-simplify]: Simplify (- 0) into 0
0.035 * [backup-simplify]: Simplify (+ 0 0) into 0
0.035 * [backup-simplify]: Simplify 0 into 0
0.036 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
0.036 * [backup-simplify]: Simplify (- 0) into 0
0.037 * [backup-simplify]: Simplify (+ 0 0) into 0
0.037 * [backup-simplify]: Simplify 0 into 0
0.037 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
0.038 * [backup-simplify]: Simplify (- 0) into 0
0.038 * [backup-simplify]: Simplify (+ 0 0) into 0
0.038 * [backup-simplify]: Simplify 0 into 0
0.038 * [backup-simplify]: Simplify (+ (* 1 (pow x 2)) (- 1.0)) into (- (pow x 2) 1.0)
0.038 * [backup-simplify]: Simplify (- (* (/ 1 x) (/ 1 x)) 1.0) into (- (/ 1 (pow x 2)) 1.0)
0.038 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in (x) around 0
0.038 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in x
0.038 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.038 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.038 * [taylor]: Taking taylor expansion of x in x
0.038 * [backup-simplify]: Simplify 0 into 0
0.038 * [backup-simplify]: Simplify 1 into 1
0.039 * [backup-simplify]: Simplify (* 1 1) into 1
0.039 * [backup-simplify]: Simplify (/ 1 1) into 1
0.039 * [taylor]: Taking taylor expansion of 1.0 in x
0.039 * [backup-simplify]: Simplify 1.0 into 1.0
0.039 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in x
0.039 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.039 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.039 * [taylor]: Taking taylor expansion of x in x
0.039 * [backup-simplify]: Simplify 0 into 0
0.039 * [backup-simplify]: Simplify 1 into 1
0.039 * [backup-simplify]: Simplify (* 1 1) into 1
0.040 * [backup-simplify]: Simplify (/ 1 1) into 1
0.040 * [taylor]: Taking taylor expansion of 1.0 in x
0.040 * [backup-simplify]: Simplify 1.0 into 1.0
0.040 * [backup-simplify]: Simplify (+ 1 0) into 1
0.040 * [backup-simplify]: Simplify 1 into 1
0.040 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.041 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.041 * [backup-simplify]: Simplify (+ 0 0) into 0
0.041 * [backup-simplify]: Simplify 0 into 0
0.041 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.042 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.042 * [backup-simplify]: Simplify (- 1.0) into (- 1.0)
0.043 * [backup-simplify]: Simplify (+ 0 (- 1.0)) into (- 1.0)
0.043 * [backup-simplify]: Simplify (- 1.0) into (- 1.0)
0.043 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.044 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.044 * [backup-simplify]: Simplify (- 0) 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 1))))) into 0
0.045 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.046 * [backup-simplify]: Simplify (- 0) into 0
0.046 * [backup-simplify]: Simplify (+ 0 0) into 0
0.046 * [backup-simplify]: Simplify 0 into 0
0.047 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
0.047 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.047 * [backup-simplify]: Simplify (- 0) into 0
0.048 * [backup-simplify]: Simplify (+ 0 0) into 0
0.048 * [backup-simplify]: Simplify 0 into 0
0.048 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
0.049 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.049 * [backup-simplify]: Simplify (- 0) into 0
0.049 * [backup-simplify]: Simplify (+ 0 0) into 0
0.049 * [backup-simplify]: Simplify 0 into 0
0.055 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0
0.056 * [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
0.056 * [backup-simplify]: Simplify (- 0) into 0
0.056 * [backup-simplify]: Simplify (+ 0 0) into 0
0.056 * [backup-simplify]: Simplify 0 into 0
0.057 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))))) into 0
0.058 * [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
0.058 * [backup-simplify]: Simplify (- 0) into 0
0.058 * [backup-simplify]: Simplify (+ 0 0) into 0
0.058 * [backup-simplify]: Simplify 0 into 0
0.059 * [backup-simplify]: Simplify (+ (- 1.0) (* 1 (pow (/ 1 (/ 1 x)) 2))) into (- (pow x 2) 1.0)
0.059 * [backup-simplify]: Simplify (- (* (/ 1 (- x)) (/ 1 (- x))) 1.0) into (- (/ 1 (pow x 2)) 1.0)
0.059 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in (x) around 0
0.059 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in x
0.059 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.059 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.059 * [taylor]: Taking taylor expansion of x in x
0.059 * [backup-simplify]: Simplify 0 into 0
0.059 * [backup-simplify]: Simplify 1 into 1
0.059 * [backup-simplify]: Simplify (* 1 1) into 1
0.059 * [backup-simplify]: Simplify (/ 1 1) into 1
0.059 * [taylor]: Taking taylor expansion of 1.0 in x
0.059 * [backup-simplify]: Simplify 1.0 into 1.0
0.059 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) 1.0) in x
0.059 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.059 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.059 * [taylor]: Taking taylor expansion of x in x
0.059 * [backup-simplify]: Simplify 0 into 0
0.059 * [backup-simplify]: Simplify 1 into 1
0.060 * [backup-simplify]: Simplify (* 1 1) into 1
0.060 * [backup-simplify]: Simplify (/ 1 1) into 1
0.060 * [taylor]: Taking taylor expansion of 1.0 in x
0.060 * [backup-simplify]: Simplify 1.0 into 1.0
0.060 * [backup-simplify]: Simplify (+ 1 0) into 1
0.060 * [backup-simplify]: Simplify 1 into 1
0.061 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.061 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.061 * [backup-simplify]: Simplify (+ 0 0) into 0
0.061 * [backup-simplify]: Simplify 0 into 0
0.062 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.062 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.063 * [backup-simplify]: Simplify (- 1.0) into (- 1.0)
0.063 * [backup-simplify]: Simplify (+ 0 (- 1.0)) into (- 1.0)
0.063 * [backup-simplify]: Simplify (- 1.0) into (- 1.0)
0.064 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.064 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.065 * [backup-simplify]: Simplify (- 0) into 0
0.065 * [backup-simplify]: Simplify (+ 0 0) into 0
0.065 * [backup-simplify]: Simplify 0 into 0
0.066 * [backup-simplify]: Simplify (+ (* 1 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)))) into 0
0.066 * [backup-simplify]: Simplify (- 0) into 0
0.066 * [backup-simplify]: Simplify (+ 0 0) into 0
0.066 * [backup-simplify]: Simplify 0 into 0
0.067 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
0.068 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.068 * [backup-simplify]: Simplify (- 0) into 0
0.068 * [backup-simplify]: Simplify (+ 0 0) into 0
0.068 * [backup-simplify]: Simplify 0 into 0
0.069 * [backup-simplify]: Simplify (+ (* 1 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)))) into 0
0.070 * [backup-simplify]: Simplify (- 0) into 0
0.070 * [backup-simplify]: Simplify (+ 0 0) into 0
0.070 * [backup-simplify]: Simplify 0 into 0
0.071 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0
0.071 * [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
0.071 * [backup-simplify]: Simplify (- 0) into 0
0.072 * [backup-simplify]: Simplify (+ 0 0) into 0
0.072 * [backup-simplify]: Simplify 0 into 0
0.073 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))))) into 0
0.074 * [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
0.074 * [backup-simplify]: Simplify (- 0) into 0
0.074 * [backup-simplify]: Simplify (+ 0 0) into 0
0.074 * [backup-simplify]: Simplify 0 into 0
0.074 * [backup-simplify]: Simplify (+ (- 1.0) (* 1 (pow (/ 1 (/ 1 (- x))) 2))) into (- (pow x 2) 1.0)
0.075 * * * [progress]: simplifying candidates
0.075 * [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)))
  (- 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)
0.075 * [simplify]: Sending expressions to egg_math:
 (/ (exp (* h1 h1)) (exp h0))
 (log (- (* h1 h1) h0))
 (exp (- (* h1 h1) h0))
 (* (cbrt (- (* h1 h1) h0)) (cbrt (- (* h1 h1) h0)))
 (cbrt (- (* h1 h1) h0))
 (* (* (- (* h1 h1) h0) (- (* h1 h1) h0)) (- (* h1 h1) h0))
 (sqrt (- (* h1 h1) h0))
 (sqrt (- (* h1 h1) h0))
 (- (pow (* h1 h1) 3) (pow h0 3))
 (+ (* (* h1 h1) (* h1 h1)) (+ (* h0 h0) (* (* h1 h1) h0)))
 (- h0)
 (- (* (* h1 h1) (* h1 h1)) (* h0 h0))
 (+ (* h1 h1) h0)
 (+ h1 (sqrt h0))
 (- h1 (sqrt h0))
 (- h0)
 (- (pow h1 2) h0)
 (- (pow h1 2) h0)
 (- (pow h1 2) h0)
0.128 * * * [progress]: adding candidates to table
0.153 * * [progress]: iteration 2 / 4
0.153 * * * [progress]: picking best candidate
0.154 * * * * [pick]: Picked  #<alt (λ (x) (* (+ x (sqrt 1.0)) (- x (sqrt 1.0))))>
0.154 * * * [progress]: localizing error
0.160 * * * [progress]: generating rewritten candidates
0.160 * * * [progress]: generating series expansions
0.160 * * * [progress]: simplifying candidates
0.160 * [simplify]: Simplifying:
  
0.160 * [simplify]: Sending expressions to egg_math:
 
0.162 * * * [progress]: adding candidates to table
0.162 * [progress]: [Phase 3 of 3] Extracting.
0.164 * [simplify]: Simplifying:
  (* (+ x (sqrt 1.0)) (- x (sqrt 1.0)))
0.164 * [simplify]: Sending expressions to egg_math:
 (* (+ h1 (sqrt h0)) (- h1 (sqrt h0)))
0.629 * [regime-testing]: Baseline error score: 0.014501812726590823
0.631 * [regime-testing]: Oracle error score: 0.014501812726590823
0.631 * [regime-testing]: End program error score: 0.014501812726590823