22.462 * [progress]: [Phase 1 of 3] Setting up.
0.002 * * * [progress]: [1/2] Preparing points
0.018 * * * [progress]: [2/2] Setting up program.
0.020 * [progress]: [Phase 2 of 3] Improving.
0.020 * * * * [progress]: [ 1 / 1 ] simplifiying candidate #<alt (λ (x) (- (* (* x x) 2.0) 1.0))>
0.021 * [simplify]: Simplifying:
  (- (* (* x x) 2.0) 1.0)
0.021 * * [simplify]: iteration 0: 6 enodes
0.023 * * [simplify]: iteration 1: 12 enodes
0.026 * * [simplify]: iteration 2: 17 enodes
0.029 * * [simplify]: iteration 3: 20 enodes
0.032 * * [simplify]: iteration complete: 20 enodes
0.032 * * [simplify]: Extracting #0: cost 1 inf + 0
0.032 * * [simplify]: Extracting #1: cost 8 inf + 0
0.032 * * [simplify]: Extracting #2: cost 4 inf + 44
0.032 * * [simplify]: Extracting #3: cost 0 inf + 332
0.032 * [simplify]: Simplified to:
  (- (* 2.0 (* x x)) 1.0)
0.033 * * [progress]: iteration 1 / 4
0.033 * * * [progress]: picking best candidate
0.034 * * * * [pick]: Picked  #<alt (λ (x) (- (* (* x x) 2.0) 1.0))>
0.034 * * * [progress]: localizing error
0.042 * * * [progress]: generating rewritten candidates
0.042 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1)
0.059 * * * [progress]: generating series expansions
0.059 * * * * [progress]: [ 1 / 1 ] generating series at (2 1)
0.060 * [backup-simplify]: Simplify (* (* x x) 2.0) into (* 2.0 (pow x 2))
0.060 * [approximate]: Taking taylor expansion of (* 2.0 (pow x 2)) in (x) around 0
0.060 * [taylor]: Taking taylor expansion of (* 2.0 (pow x 2)) in x
0.060 * [taylor]: Taking taylor expansion of 2.0 in x
0.060 * [backup-simplify]: Simplify 2.0 into 2.0
0.060 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.060 * [taylor]: Taking taylor expansion of x in x
0.060 * [backup-simplify]: Simplify 0 into 0
0.060 * [backup-simplify]: Simplify 1 into 1
0.060 * [taylor]: Taking taylor expansion of (* 2.0 (pow x 2)) in x
0.060 * [taylor]: Taking taylor expansion of 2.0 in x
0.060 * [backup-simplify]: Simplify 2.0 into 2.0
0.060 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.060 * [taylor]: Taking taylor expansion of x in x
0.060 * [backup-simplify]: Simplify 0 into 0
0.060 * [backup-simplify]: Simplify 1 into 1
0.065 * [backup-simplify]: Simplify (* 1 1) into 1
0.066 * [backup-simplify]: Simplify (* 2.0 1) into 2.0
0.066 * [backup-simplify]: Simplify 2.0 into 2.0
0.067 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.067 * [backup-simplify]: Simplify (+ (* 2.0 0) (* 0 1)) into 0
0.067 * [backup-simplify]: Simplify 0 into 0
0.068 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.068 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (* 0 1))) into 0
0.068 * [backup-simplify]: Simplify 0 into 0
0.069 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.069 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.070 * [backup-simplify]: Simplify 0 into 0
0.070 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.072 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) 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 1)))))) into 0
0.074 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
0.074 * [backup-simplify]: Simplify 0 into 0
0.075 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
0.077 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
0.077 * [backup-simplify]: Simplify 0 into 0
0.078 * [backup-simplify]: Simplify (* 2.0 (pow x 2)) into (* 2.0 (pow x 2))
0.078 * [backup-simplify]: Simplify (* (* (/ 1 x) (/ 1 x)) 2.0) into (/ 2.0 (pow x 2))
0.078 * [approximate]: Taking taylor expansion of (/ 2.0 (pow x 2)) in (x) around 0
0.078 * [taylor]: Taking taylor expansion of (/ 2.0 (pow x 2)) in x
0.078 * [taylor]: Taking taylor expansion of 2.0 in x
0.078 * [backup-simplify]: Simplify 2.0 into 2.0
0.078 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.078 * [taylor]: Taking taylor expansion of x in x
0.078 * [backup-simplify]: Simplify 0 into 0
0.078 * [backup-simplify]: Simplify 1 into 1
0.078 * [backup-simplify]: Simplify (* 1 1) into 1
0.079 * [backup-simplify]: Simplify (/ 2.0 1) into 2.0
0.079 * [taylor]: Taking taylor expansion of (/ 2.0 (pow x 2)) in x
0.079 * [taylor]: Taking taylor expansion of 2.0 in x
0.079 * [backup-simplify]: Simplify 2.0 into 2.0
0.079 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.079 * [taylor]: Taking taylor expansion of x in x
0.079 * [backup-simplify]: Simplify 0 into 0
0.079 * [backup-simplify]: Simplify 1 into 1
0.079 * [backup-simplify]: Simplify (* 1 1) into 1
0.080 * [backup-simplify]: Simplify (/ 2.0 1) into 2.0
0.080 * [backup-simplify]: Simplify 2.0 into 2.0
0.081 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.081 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)))) into 0
0.081 * [backup-simplify]: Simplify 0 into 0
0.082 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.083 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.083 * [backup-simplify]: Simplify 0 into 0
0.084 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.085 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.085 * [backup-simplify]: Simplify 0 into 0
0.086 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.087 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.087 * [backup-simplify]: Simplify 0 into 0
0.088 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
0.088 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.089 * [backup-simplify]: Simplify 0 into 0
0.090 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
0.091 * [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
0.091 * [backup-simplify]: Simplify 0 into 0
0.091 * [backup-simplify]: Simplify (* 2.0 (pow (/ 1 (/ 1 x)) 2)) into (* 2.0 (pow x 2))
0.091 * [backup-simplify]: Simplify (* (* (/ 1 (- x)) (/ 1 (- x))) 2.0) into (/ 2.0 (pow x 2))
0.091 * [approximate]: Taking taylor expansion of (/ 2.0 (pow x 2)) in (x) around 0
0.091 * [taylor]: Taking taylor expansion of (/ 2.0 (pow x 2)) in x
0.091 * [taylor]: Taking taylor expansion of 2.0 in x
0.091 * [backup-simplify]: Simplify 2.0 into 2.0
0.091 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.091 * [taylor]: Taking taylor expansion of x in x
0.091 * [backup-simplify]: Simplify 0 into 0
0.091 * [backup-simplify]: Simplify 1 into 1
0.091 * [backup-simplify]: Simplify (* 1 1) into 1
0.092 * [backup-simplify]: Simplify (/ 2.0 1) into 2.0
0.092 * [taylor]: Taking taylor expansion of (/ 2.0 (pow x 2)) in x
0.092 * [taylor]: Taking taylor expansion of 2.0 in x
0.092 * [backup-simplify]: Simplify 2.0 into 2.0
0.092 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.092 * [taylor]: Taking taylor expansion of x in x
0.092 * [backup-simplify]: Simplify 0 into 0
0.092 * [backup-simplify]: Simplify 1 into 1
0.092 * [backup-simplify]: Simplify (* 1 1) into 1
0.093 * [backup-simplify]: Simplify (/ 2.0 1) into 2.0
0.093 * [backup-simplify]: Simplify 2.0 into 2.0
0.093 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.094 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)))) into 0
0.094 * [backup-simplify]: Simplify 0 into 0
0.095 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.096 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.096 * [backup-simplify]: Simplify 0 into 0
0.097 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.097 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.097 * [backup-simplify]: Simplify 0 into 0
0.098 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.099 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.099 * [backup-simplify]: Simplify 0 into 0
0.100 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
0.101 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 2.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.101 * [backup-simplify]: Simplify 0 into 0
0.102 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
0.103 * [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
0.103 * [backup-simplify]: Simplify 0 into 0
0.103 * [backup-simplify]: Simplify (* 2.0 (pow (/ 1 (/ 1 (- x))) 2)) into (* 2.0 (pow x 2))
0.104 * * * [progress]: simplifying candidates
0.104 * * * * [progress]: [ 1 / 25 ] simplifiying candidate #<alt (λ (x) (- (log1p (expm1 (* (* x x) 2.0))) 1.0))>
0.104 * * * * [progress]: [ 2 / 25 ] simplifiying candidate #<alt (λ (x) (- (expm1 (log1p (* (* x x) 2.0))) 1.0))>
0.104 * * * * [progress]: [ 3 / 25 ] simplifiying candidate #<alt (λ (x) (- (pow (* (* x x) 2.0) 1) 1.0))>
0.104 * * * * [progress]: [ 4 / 25 ] simplifiying candidate #<alt (λ (x) (- (pow (* (* x x) 2.0) 1) 1.0))>
0.104 * * * * [progress]: [ 5 / 25 ] simplifiying candidate #<alt (λ (x) (- (pow (* (* x x) 2.0) 1) 1.0))>
0.104 * * * * [progress]: [ 6 / 25 ] simplifiying candidate #<alt (λ (x) (- (exp (+ (+ (log x) (log x)) (log 2.0))) 1.0))>
0.104 * * * * [progress]: [ 7 / 25 ] simplifiying candidate #<alt (λ (x) (- (exp (+ (log (* x x)) (log 2.0))) 1.0))>
0.104 * * * * [progress]: [ 8 / 25 ] simplifiying candidate #<alt (λ (x) (- (exp (log (* (* x x) 2.0))) 1.0))>
0.104 * * * * [progress]: [ 9 / 25 ] simplifiying candidate #<alt (λ (x) (- (log (exp (* (* x x) 2.0))) 1.0))>
0.104 * * * * [progress]: [ 10 / 25 ] simplifiying candidate #<alt (λ (x) (- (cbrt (* (* (* (* x x) x) (* (* x x) x)) (* (* 2.0 2.0) 2.0))) 1.0))>
0.104 * * * * [progress]: [ 11 / 25 ] simplifiying candidate #<alt (λ (x) (- (cbrt (* (* (* (* x x) (* x x)) (* x x)) (* (* 2.0 2.0) 2.0))) 1.0))>
0.104 * * * * [progress]: [ 12 / 25 ] simplifiying candidate #<alt (λ (x) (- (* (* (cbrt (* (* x x) 2.0)) (cbrt (* (* x x) 2.0))) (cbrt (* (* x x) 2.0))) 1.0))>
0.104 * * * * [progress]: [ 13 / 25 ] simplifiying candidate #<alt (λ (x) (- (cbrt (* (* (* (* x x) 2.0) (* (* x x) 2.0)) (* (* x x) 2.0))) 1.0))>
0.104 * * * * [progress]: [ 14 / 25 ] simplifiying candidate #<alt (λ (x) (- (* (sqrt (* (* x x) 2.0)) (sqrt (* (* x x) 2.0))) 1.0))>
0.104 * * * * [progress]: [ 15 / 25 ] simplifiying candidate #<alt (λ (x) (- (* 1 (* (* x x) 2.0)) 1.0))>
0.104 * * * * [progress]: [ 16 / 25 ] simplifiying candidate #<alt (λ (x) (- (* (* x (sqrt 2.0)) (* x (sqrt 2.0))) 1.0))>
0.104 * * * * [progress]: [ 17 / 25 ] simplifiying candidate #<alt (λ (x) (- (* (* (* x x) (* (cbrt 2.0) (cbrt 2.0))) (cbrt 2.0)) 1.0))>
0.105 * * * * [progress]: [ 18 / 25 ] simplifiying candidate #<alt (λ (x) (- (* (* (* x x) (sqrt 2.0)) (sqrt 2.0)) 1.0))>
0.105 * * * * [progress]: [ 19 / 25 ] simplifiying candidate #<alt (λ (x) (- (* (* (* x x) 1) 2.0) 1.0))>
0.105 * * * * [progress]: [ 20 / 25 ] simplifiying candidate #<alt (λ (x) (- (* x (* x 2.0)) 1.0))>
0.105 * * * * [progress]: [ 21 / 25 ] simplifiying candidate #<alt (λ (x) (- (posit16->real (real->posit16 (* (* x x) 2.0))) 1.0))>
0.105 * * * * [progress]: [ 22 / 25 ] simplifiying candidate #<alt (λ (x) (- (* 2.0 (* x x)) 1.0))>
0.105 * * * * [progress]: [ 23 / 25 ] simplifiying candidate #<alt (λ (x) (- (* 2.0 (pow x 2)) 1.0))>
0.105 * * * * [progress]: [ 24 / 25 ] simplifiying candidate #<alt (λ (x) (- (* 2.0 (pow x 2)) 1.0))>
0.105 * * * * [progress]: [ 25 / 25 ] simplifiying candidate #<alt (λ (x) (- (* 2.0 (pow x 2)) 1.0))>
0.105 * [simplify]: Simplifying:
  (expm1 (* (* x x) 2.0))
  (log1p (* (* x x) 2.0))
  (* (* 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)
  (real->posit16 (* (* x x) 2.0))
  (* 2.0 (pow x 2))
  (* 2.0 (pow x 2))
  (* 2.0 (pow x 2))
0.106 * * [simplify]: iteration 0: 40 enodes
0.115 * * [simplify]: iteration 1: 99 enodes
0.149 * * [simplify]: iteration 2: 301 enodes
0.326 * * [simplify]: iteration 3: 982 enodes
1.345 * * [simplify]: iteration 4: 4039 enodes
2.615 * * [simplify]: iteration complete: 5043 enodes
2.615 * * [simplify]: Extracting #0: cost 15 inf + 0
2.616 * * [simplify]: Extracting #1: cost 379 inf + 0
2.620 * * [simplify]: Extracting #2: cost 1224 inf + 6137
2.641 * * [simplify]: Extracting #3: cost 686 inf + 104569
2.694 * * [simplify]: Extracting #4: cost 92 inf + 191343
2.753 * * [simplify]: Extracting #5: cost 0 inf + 209115
2.807 * * [simplify]: Extracting #6: cost 0 inf + 209075
2.852 * [simplify]: Simplified to:
  (expm1 (* x (* x 2.0)))
  (log1p (* x (* x 2.0)))
  (* x (* x 2.0))
  (* x (* x 2.0))
  (log (* x (* x 2.0)))
  (log (* x (* x 2.0)))
  (log (* x (* x 2.0)))
  (exp (* x (* x 2.0)))
  (* (* (* 2.0 (* x x)) (* 2.0 (* x x))) (* 2.0 (* x x)))
  (* (* (* 2.0 (* x x)) (* 2.0 (* x x))) (* 2.0 (* x x)))
  (* (cbrt (* x (* x 2.0))) (cbrt (* x (* x 2.0))))
  (cbrt (* x (* x 2.0)))
  (* (* (* 2.0 (* x x)) (* 2.0 (* x x))) (* 2.0 (* x x)))
  (sqrt (* x (* x 2.0)))
  (sqrt (* x (* x 2.0)))
  (* (sqrt 2.0) x)
  (* (sqrt 2.0) x)
  (* (* (cbrt 2.0) x) (* (cbrt 2.0) x))
  (* x (* (sqrt 2.0) x))
  (* x x)
  (* x 2.0)
  (real->posit16 (* x (* x 2.0)))
  (* x (* x 2.0))
  (* x (* x 2.0))
  (* x (* x 2.0))
2.853 * * * [progress]: adding candidates to table
2.910 * [progress]: [Phase 3 of 3] Extracting.
2.913 * [simplify]: Simplifying:
  (- (* (* x x) 2.0) 1.0)
2.913 * * [simplify]: iteration 0: 6 enodes
2.913 * * [simplify]: iteration 1: 7 enodes
2.913 * * [simplify]: iteration complete: 7 enodes
2.913 * * [simplify]: Extracting #0: cost 1 inf + 0
2.913 * * [simplify]: Extracting #1: cost 3 inf + 0
2.913 * * [simplify]: Extracting #2: cost 4 inf + 1
2.913 * * [simplify]: Extracting #3: cost 4 inf + 2
2.914 * * [simplify]: Extracting #4: cost 3 inf + 3
2.914 * * [simplify]: Extracting #5: cost 0 inf + 249
2.914 * [simplify]: Simplified to:
  (- (* 2.0 (* x x)) 1.0)
3.748 * [regime-testing]: Baseline error score: 0.0014154179391033081
3.751 * [regime-testing]: Oracle error score: 0.0014154179391033081
3.751 * [regime-testing]: End program error score: 0.0014154179391033081