38.393 * [progress]: [Phase 1 of 3] Setting up.
0.002 * * * [progress]: [1/2] Preparing points
0.086 * * * [progress]: [2/2] Setting up program.
0.088 * [progress]: [Phase 2 of 3] Improving.
0.088 * * * * [progress]: [ 1 / 1 ] simplifiying candidate #<alt (λ (x) (log (+ 1 x)))>
0.088 * [simplify]: Simplifying:
  (log (+ 1 x))
0.088 * * [simplify]: iteration 1: (4 enodes)
0.089 * * [simplify]: iteration 2: (8 enodes)
0.090 * * [simplify]: Extracting #0: cost 1 inf + 0
0.090 * * [simplify]: Extracting #1: cost 3 inf + 0
0.090 * * [simplify]: Extracting #2: cost 2 inf + 92
0.090 * * [simplify]: Extracting #3: cost 1 inf + 93
0.090 * * [simplify]: Extracting #4: cost 0 inf + 135
0.090 * [simplify]: Simplified to:
  (log1p x)
0.095 * * [progress]: iteration 1 / 4
0.096 * * * [progress]: picking best candidate
0.099 * * * * [pick]: Picked  #<alt (λ (x) (log1p x))>
0.099 * * * [progress]: localizing error
0.105 * * * [progress]: generating rewritten candidates
0.105 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.106 * * * [progress]: generating series expansions
0.106 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.106 * [backup-simplify]: Simplify (log1p x) into (log1p x)
0.106 * [approximate]: Taking taylor expansion of (log1p x) in (x) around 0
0.106 * [taylor]: Taking taylor expansion of (log1p x) in x
0.106 * [taylor]: Rewrote expression to (log (+ 1 x))
0.106 * [taylor]: Taking taylor expansion of (+ 1 x) in x
0.106 * [taylor]: Taking taylor expansion of 1 in x
0.106 * [backup-simplify]: Simplify 1 into 1
0.106 * [taylor]: Taking taylor expansion of x in x
0.106 * [backup-simplify]: Simplify 0 into 0
0.106 * [backup-simplify]: Simplify 1 into 1
0.107 * [backup-simplify]: Simplify (+ 1 0) into 1
0.108 * [backup-simplify]: Simplify (log 1) into 0
0.108 * [taylor]: Taking taylor expansion of (log1p x) in x
0.108 * [taylor]: Rewrote expression to (log (+ 1 x))
0.108 * [taylor]: Taking taylor expansion of (+ 1 x) in x
0.108 * [taylor]: Taking taylor expansion of 1 in x
0.108 * [backup-simplify]: Simplify 1 into 1
0.108 * [taylor]: Taking taylor expansion of x in x
0.108 * [backup-simplify]: Simplify 0 into 0
0.108 * [backup-simplify]: Simplify 1 into 1
0.108 * [backup-simplify]: Simplify (+ 1 0) into 1
0.108 * [backup-simplify]: Simplify (log 1) into 0
0.108 * [backup-simplify]: Simplify 0 into 0
0.109 * [backup-simplify]: Simplify (+ 0 1) into 1
0.110 * [backup-simplify]: Simplify (/ (+ (* 1 (/ (* (pow (* 1 1) 1)) (pow 1 1)))) 1) into 1
0.110 * [backup-simplify]: Simplify 1 into 1
0.110 * [backup-simplify]: Simplify (+ 0 0) into 0
0.112 * [backup-simplify]: Simplify (/ (+ (* -1 (/ (* (pow (* 1 1) 2)) (pow 1 2))) (* 1 (/ (* 1 (pow (* 2 0) 1)) (pow 1 1)))) 2) into -1/2
0.112 * [backup-simplify]: Simplify -1/2 into -1/2
0.112 * [backup-simplify]: Simplify (+ 0 0) into 0
0.115 * [backup-simplify]: Simplify (/ (+ (* 2 (/ (* (pow (* 1 1) 3)) (pow 1 3))) (* -3 (/ (* (pow (* 1 1) 1) (pow (* 2 0) 1)) (pow 1 2))) (* 1 (/ (* 1 1 (pow (* 6 0) 1)) (pow 1 1)))) 6) into 1/3
0.115 * [backup-simplify]: Simplify 1/3 into 1/3
0.115 * [backup-simplify]: Simplify (+ (* 1/3 (pow x 3)) (+ (* -1/2 (pow x 2)) (* 1 x))) into (- (+ x (* 1/3 (pow x 3))) (* 1/2 (pow x 2)))
0.115 * [backup-simplify]: Simplify (log1p (/ 1 x)) into (log1p (/ 1 x))
0.115 * [approximate]: Taking taylor expansion of (log1p (/ 1 x)) in (x) around 0
0.115 * [taylor]: Taking taylor expansion of (log1p (/ 1 x)) in x
0.115 * [taylor]: Rewrote expression to (log (+ 1 (/ 1 x)))
0.115 * [taylor]: Taking taylor expansion of (+ 1 (/ 1 x)) in x
0.115 * [taylor]: Taking taylor expansion of 1 in x
0.115 * [backup-simplify]: Simplify 1 into 1
0.115 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.115 * [taylor]: Taking taylor expansion of x in x
0.115 * [backup-simplify]: Simplify 0 into 0
0.115 * [backup-simplify]: Simplify 1 into 1
0.116 * [backup-simplify]: Simplify (/ 1 1) into 1
0.116 * [backup-simplify]: Simplify (+ 0 1) into 1
0.116 * [backup-simplify]: Simplify (log 1) into 0
0.116 * [taylor]: Taking taylor expansion of (log1p (/ 1 x)) in x
0.116 * [taylor]: Rewrote expression to (log (+ 1 (/ 1 x)))
0.116 * [taylor]: Taking taylor expansion of (+ 1 (/ 1 x)) in x
0.116 * [taylor]: Taking taylor expansion of 1 in x
0.116 * [backup-simplify]: Simplify 1 into 1
0.116 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.116 * [taylor]: Taking taylor expansion of x in x
0.116 * [backup-simplify]: Simplify 0 into 0
0.116 * [backup-simplify]: Simplify 1 into 1
0.117 * [backup-simplify]: Simplify (/ 1 1) into 1
0.117 * [backup-simplify]: Simplify (+ 0 1) into 1
0.117 * [backup-simplify]: Simplify (log 1) into 0
0.117 * [backup-simplify]: Simplify (+ (* (- 1) (log x)) 0) into (- (log x))
0.118 * [backup-simplify]: Simplify (- (log x)) into (- (log x))
0.118 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.118 * [backup-simplify]: Simplify (+ 1 0) into 1
0.119 * [backup-simplify]: Simplify (/ (+ (* 1 (/ (* (pow (* 1 1) 1)) (pow 1 1)))) 1) into 1
0.119 * [backup-simplify]: Simplify 1 into 1
0.119 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.120 * [backup-simplify]: Simplify (+ 0 0) into 0
0.121 * [backup-simplify]: Simplify (/ (+ (* -1 (/ (* (pow (* 1 1) 2)) (pow 1 2))) (* 1 (/ (* 1 (pow (* 2 0) 1)) (pow 1 1)))) 2) into -1/2
0.121 * [backup-simplify]: Simplify -1/2 into -1/2
0.121 * [backup-simplify]: Simplify (+ (* -1/2 (pow (/ 1 x) 2)) (+ (* 1 (/ 1 x)) (- (log (/ 1 x))))) into (- (/ 1 x) (+ (log (/ 1 x)) (* 1/2 (/ 1 (pow x 2)))))
0.121 * [backup-simplify]: Simplify (log1p (/ 1 (- x))) into (log1p (/ -1 x))
0.122 * [approximate]: Taking taylor expansion of (log1p (/ -1 x)) in (x) around 0
0.122 * [taylor]: Taking taylor expansion of (log1p (/ -1 x)) in x
0.122 * [taylor]: Rewrote expression to (log (+ 1 (/ -1 x)))
0.122 * [taylor]: Taking taylor expansion of (+ 1 (/ -1 x)) in x
0.122 * [taylor]: Taking taylor expansion of 1 in x
0.122 * [backup-simplify]: Simplify 1 into 1
0.122 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.122 * [taylor]: Taking taylor expansion of -1 in x
0.122 * [backup-simplify]: Simplify -1 into -1
0.122 * [taylor]: Taking taylor expansion of x in x
0.122 * [backup-simplify]: Simplify 0 into 0
0.122 * [backup-simplify]: Simplify 1 into 1
0.122 * [backup-simplify]: Simplify (/ -1 1) into -1
0.122 * [backup-simplify]: Simplify (+ 0 -1) into -1
0.122 * [backup-simplify]: Simplify (log -1) into (log -1)
0.123 * [taylor]: Taking taylor expansion of (log1p (/ -1 x)) in x
0.123 * [taylor]: Rewrote expression to (log (+ 1 (/ -1 x)))
0.123 * [taylor]: Taking taylor expansion of (+ 1 (/ -1 x)) in x
0.123 * [taylor]: Taking taylor expansion of 1 in x
0.123 * [backup-simplify]: Simplify 1 into 1
0.123 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.123 * [taylor]: Taking taylor expansion of -1 in x
0.123 * [backup-simplify]: Simplify -1 into -1
0.123 * [taylor]: Taking taylor expansion of x in x
0.123 * [backup-simplify]: Simplify 0 into 0
0.123 * [backup-simplify]: Simplify 1 into 1
0.123 * [backup-simplify]: Simplify (/ -1 1) into -1
0.123 * [backup-simplify]: Simplify (+ 0 -1) into -1
0.123 * [backup-simplify]: Simplify (log -1) into (log -1)
0.124 * [backup-simplify]: Simplify (+ (* (- 1) (log x)) (log -1)) into (- (log -1) (log x))
0.125 * [backup-simplify]: Simplify (- (log -1) (log x)) into (- (log -1) (log x))
0.125 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -1 (/ 0 1)))) into 0
0.125 * [backup-simplify]: Simplify (+ 1 0) into 1
0.126 * [backup-simplify]: Simplify (/ (+ (* 1 (/ (* (pow (* 1 1) 1)) (pow -1 1)))) 1) into -1
0.126 * [backup-simplify]: Simplify -1 into -1
0.127 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.127 * [backup-simplify]: Simplify (+ 0 0) into 0
0.129 * [backup-simplify]: Simplify (/ (+ (* -1 (/ (* (pow (* 1 1) 2)) (pow -1 2))) (* 1 (/ (* 1 (pow (* 2 0) 1)) (pow -1 1)))) 2) into -1/2
0.129 * [backup-simplify]: Simplify -1/2 into -1/2
0.129 * [backup-simplify]: Simplify (+ (* -1/2 (pow (/ 1 (- x)) 2)) (+ (* -1 (/ 1 (- x))) (- (log -1) (log (/ 1 (- x)))))) into (- (+ (/ 1 x) (log -1)) (+ (log (/ -1 x)) (* 1/2 (/ 1 (pow x 2)))))
0.129 * * * [progress]: simplifying candidates
0.129 * * * * [progress]: [ 1 / 15 ] simplifiying candidate #<alt (λ (x) (log (+ 1 x)))>
0.129 * * * * [progress]: [ 2 / 15 ] simplifiying candidate #<alt (λ (x) (log1p (expm1 (log1p x))))>
0.129 * * * * [progress]: [ 3 / 15 ] simplifiying candidate #<alt (λ (x) (expm1 (log1p (log1p x))))>
0.129 * * * * [progress]: [ 4 / 15 ] simplifiying candidate #<alt (λ (x) (log1p x))>
0.129 * * * * [progress]: [ 5 / 15 ] simplifiying candidate #<alt (λ (x) (pow (log1p x) 1))>
0.129 * * * * [progress]: [ 6 / 15 ] simplifiying candidate #<alt (λ (x) (exp (log (log1p x))))>
0.129 * * * * [progress]: [ 7 / 15 ] simplifiying candidate #<alt (λ (x) (log (exp (log1p x))))>
0.129 * * * * [progress]: [ 8 / 15 ] simplifiying candidate #<alt (λ (x) (* (* (cbrt (log1p x)) (cbrt (log1p x))) (cbrt (log1p x))))>
0.129 * * * * [progress]: [ 9 / 15 ] simplifiying candidate #<alt (λ (x) (cbrt (* (* (log1p x) (log1p x)) (log1p x))))>
0.130 * * * * [progress]: [ 10 / 15 ] simplifiying candidate #<alt (λ (x) (* (sqrt (log1p x)) (sqrt (log1p x))))>
0.130 * * * * [progress]: [ 11 / 15 ] simplifiying candidate #<alt (λ (x) (* 1 (log1p x)))>
0.130 * * * * [progress]: [ 12 / 15 ] simplifiying candidate #<alt (λ (x) (posit16->real (real->posit16 (log1p x))))>
0.130 * * * * [progress]: [ 13 / 15 ] simplifiying candidate #<alt (λ (x) (- (+ x (* 1/3 (pow x 3))) (* 1/2 (pow x 2))))>
0.130 * * * * [progress]: [ 14 / 15 ] simplifiying candidate #<alt (λ (x) (- (/ 1 x) (+ (log (/ 1 x)) (* 1/2 (/ 1 (pow x 2))))))>
0.130 * * * * [progress]: [ 15 / 15 ] simplifiying candidate #<alt (λ (x) (- (+ (/ 1 x) (log -1)) (+ (log (/ -1 x)) (* 1/2 (/ 1 (pow x 2))))))>
0.130 * [simplify]: Simplifying:
  (+ 1 x)
  (expm1 (log1p x))
  (log1p (log1p x))
  (log (log1p x))
  (exp (log1p x))
  (* (cbrt (log1p x)) (cbrt (log1p x)))
  (cbrt (log1p x))
  (* (* (log1p x) (log1p x)) (log1p x))
  (sqrt (log1p x))
  (sqrt (log1p x))
  (real->posit16 (log1p x))
  (- (+ x (* 1/3 (pow x 3))) (* 1/2 (pow x 2)))
  (- (/ 1 x) (+ (log (/ 1 x)) (* 1/2 (/ 1 (pow x 2)))))
  (- (+ (/ 1 x) (log -1)) (+ (log (/ -1 x)) (* 1/2 (/ 1 (pow x 2)))))
0.130 * * [simplify]: iteration 1: (37 enodes)
0.151 * * [simplify]: iteration 2: (79 enodes)
0.179 * * [simplify]: iteration 3: (175 enodes)
0.235 * * [simplify]: iteration 4: (418 enodes)
0.536 * * [simplify]: iteration 5: (1091 enodes)
1.332 * * [simplify]: Extracting #0: cost 12 inf + 0
1.333 * * [simplify]: Extracting #1: cost 214 inf + 1
1.335 * * [simplify]: Extracting #2: cost 500 inf + 3397
1.342 * * [simplify]: Extracting #3: cost 401 inf + 24963
1.377 * * [simplify]: Extracting #4: cost 89 inf + 96591
1.404 * * [simplify]: Extracting #5: cost 4 inf + 122842
1.450 * * [simplify]: Extracting #6: cost 0 inf + 124575
1.489 * [simplify]: Simplified to:
  (+ x 1)
  x
  (log1p (log1p x))
  (log (log1p x))
  (exp (log1p x))
  (* (cbrt (log1p x)) (cbrt (log1p x)))
  (cbrt (log1p x))
  (* (* (log1p x) (log1p x)) (log1p x))
  (sqrt (log1p x))
  (sqrt (log1p x))
  (real->posit16 (log1p x))
  (fma (fma x 1/3 -1/2) (* x x) x)
  (fma (/ (/ 1 x) x) -1/2 (+ (/ 1 x) (log x)))
  (fma (/ (/ 1 x) x) -1/2 (+ (/ 1 x) (log x)))
1.490 * * * [progress]: adding candidates to table
1.581 * * [progress]: iteration 2 / 4
1.581 * * * [progress]: picking best candidate
1.585 * * * * [pick]: Picked  #<alt (λ (x) (log (+ 1 x)))>
1.585 * * * [progress]: localizing error
1.597 * * * [progress]: generating rewritten candidates
1.597 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
1.604 * * * [progress]: generating series expansions
1.604 * * * * [progress]: [ 1 / 1 ] generating series at (2)
1.605 * [backup-simplify]: Simplify (log (+ 1 x)) into (log (+ x 1))
1.605 * [approximate]: Taking taylor expansion of (log (+ x 1)) in (x) around 0
1.605 * [taylor]: Taking taylor expansion of (log (+ x 1)) in x
1.605 * [taylor]: Taking taylor expansion of (+ x 1) in x
1.605 * [taylor]: Taking taylor expansion of x in x
1.605 * [backup-simplify]: Simplify 0 into 0
1.605 * [backup-simplify]: Simplify 1 into 1
1.605 * [taylor]: Taking taylor expansion of 1 in x
1.605 * [backup-simplify]: Simplify 1 into 1
1.606 * [backup-simplify]: Simplify (+ 0 1) into 1
1.606 * [backup-simplify]: Simplify (log 1) into 0
1.606 * [taylor]: Taking taylor expansion of (log (+ x 1)) in x
1.606 * [taylor]: Taking taylor expansion of (+ x 1) in x
1.606 * [taylor]: Taking taylor expansion of x in x
1.606 * [backup-simplify]: Simplify 0 into 0
1.606 * [backup-simplify]: Simplify 1 into 1
1.606 * [taylor]: Taking taylor expansion of 1 in x
1.606 * [backup-simplify]: Simplify 1 into 1
1.610 * [backup-simplify]: Simplify (+ 0 1) into 1
1.610 * [backup-simplify]: Simplify (log 1) into 0
1.610 * [backup-simplify]: Simplify 0 into 0
1.611 * [backup-simplify]: Simplify (+ 1 0) into 1
1.612 * [backup-simplify]: Simplify (/ (+ (* 1 (/ (* (pow (* 1 1) 1)) (pow 1 1)))) 1) into 1
1.612 * [backup-simplify]: Simplify 1 into 1
1.613 * [backup-simplify]: Simplify (+ 0 0) into 0
1.615 * [backup-simplify]: Simplify (/ (+ (* -1 (/ (* (pow (* 1 1) 2)) (pow 1 2))) (* 1 (/ (* 1 (pow (* 2 0) 1)) (pow 1 1)))) 2) into -1/2
1.616 * [backup-simplify]: Simplify -1/2 into -1/2
1.616 * [backup-simplify]: Simplify (+ 0 0) into 0
1.621 * [backup-simplify]: Simplify (/ (+ (* 2 (/ (* (pow (* 1 1) 3)) (pow 1 3))) (* -3 (/ (* (pow (* 1 1) 1) (pow (* 2 0) 1)) (pow 1 2))) (* 1 (/ (* 1 1 (pow (* 6 0) 1)) (pow 1 1)))) 6) into 1/3
1.621 * [backup-simplify]: Simplify 1/3 into 1/3
1.621 * [backup-simplify]: Simplify (+ (* 1/3 (pow x 3)) (+ (* -1/2 (pow x 2)) (* 1 x))) into (- (+ x (* 1/3 (pow x 3))) (* 1/2 (pow x 2)))
1.622 * [backup-simplify]: Simplify (log (+ 1 (/ 1 x))) into (log (+ (/ 1 x) 1))
1.622 * [approximate]: Taking taylor expansion of (log (+ (/ 1 x) 1)) in (x) around 0
1.622 * [taylor]: Taking taylor expansion of (log (+ (/ 1 x) 1)) in x
1.622 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1) in x
1.622 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.622 * [taylor]: Taking taylor expansion of x in x
1.622 * [backup-simplify]: Simplify 0 into 0
1.622 * [backup-simplify]: Simplify 1 into 1
1.622 * [backup-simplify]: Simplify (/ 1 1) into 1
1.622 * [taylor]: Taking taylor expansion of 1 in x
1.622 * [backup-simplify]: Simplify 1 into 1
1.623 * [backup-simplify]: Simplify (+ 1 0) into 1
1.623 * [backup-simplify]: Simplify (log 1) into 0
1.623 * [taylor]: Taking taylor expansion of (log (+ (/ 1 x) 1)) in x
1.623 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1) in x
1.623 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.623 * [taylor]: Taking taylor expansion of x in x
1.623 * [backup-simplify]: Simplify 0 into 0
1.623 * [backup-simplify]: Simplify 1 into 1
1.624 * [backup-simplify]: Simplify (/ 1 1) into 1
1.624 * [taylor]: Taking taylor expansion of 1 in x
1.624 * [backup-simplify]: Simplify 1 into 1
1.624 * [backup-simplify]: Simplify (+ 1 0) into 1
1.625 * [backup-simplify]: Simplify (log 1) into 0
1.625 * [backup-simplify]: Simplify (+ (* (- 1) (log x)) 0) into (- (log x))
1.625 * [backup-simplify]: Simplify (- (log x)) into (- (log x))
1.626 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
1.627 * [backup-simplify]: Simplify (+ 0 1) into 1
1.628 * [backup-simplify]: Simplify (/ (+ (* 1 (/ (* (pow (* 1 1) 1)) (pow 1 1)))) 1) into 1
1.628 * [backup-simplify]: Simplify 1 into 1
1.629 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.629 * [backup-simplify]: Simplify (+ 0 0) into 0
1.632 * [backup-simplify]: Simplify (/ (+ (* -1 (/ (* (pow (* 1 1) 2)) (pow 1 2))) (* 1 (/ (* 1 (pow (* 2 0) 1)) (pow 1 1)))) 2) into -1/2
1.632 * [backup-simplify]: Simplify -1/2 into -1/2
1.633 * [backup-simplify]: Simplify (+ (* -1/2 (pow (/ 1 x) 2)) (+ (* 1 (/ 1 x)) (- (log (/ 1 x))))) into (- (/ 1 x) (+ (log (/ 1 x)) (* 1/2 (/ 1 (pow x 2)))))
1.633 * [backup-simplify]: Simplify (log (+ 1 (/ 1 (- x)))) into (log (- 1 (/ 1 x)))
1.633 * [approximate]: Taking taylor expansion of (log (- 1 (/ 1 x))) in (x) around 0
1.633 * [taylor]: Taking taylor expansion of (log (- 1 (/ 1 x))) in x
1.633 * [taylor]: Taking taylor expansion of (- 1 (/ 1 x)) in x
1.633 * [taylor]: Taking taylor expansion of 1 in x
1.633 * [backup-simplify]: Simplify 1 into 1
1.633 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.633 * [taylor]: Taking taylor expansion of x in x
1.633 * [backup-simplify]: Simplify 0 into 0
1.633 * [backup-simplify]: Simplify 1 into 1
1.634 * [backup-simplify]: Simplify (/ 1 1) into 1
1.634 * [backup-simplify]: Simplify (- 1) into -1
1.634 * [backup-simplify]: Simplify (+ 0 -1) into -1
1.635 * [backup-simplify]: Simplify (log -1) into (log -1)
1.635 * [taylor]: Taking taylor expansion of (log (- 1 (/ 1 x))) in x
1.635 * [taylor]: Taking taylor expansion of (- 1 (/ 1 x)) in x
1.635 * [taylor]: Taking taylor expansion of 1 in x
1.635 * [backup-simplify]: Simplify 1 into 1
1.635 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.635 * [taylor]: Taking taylor expansion of x in x
1.635 * [backup-simplify]: Simplify 0 into 0
1.635 * [backup-simplify]: Simplify 1 into 1
1.635 * [backup-simplify]: Simplify (/ 1 1) into 1
1.636 * [backup-simplify]: Simplify (- 1) into -1
1.636 * [backup-simplify]: Simplify (+ 0 -1) into -1
1.637 * [backup-simplify]: Simplify (log -1) into (log -1)
1.638 * [backup-simplify]: Simplify (+ (* (- 1) (log x)) (log -1)) into (- (log -1) (log x))
1.638 * [backup-simplify]: Simplify (- (log -1) (log x)) into (- (log -1) (log x))
1.639 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
1.639 * [backup-simplify]: Simplify (- 0) into 0
1.640 * [backup-simplify]: Simplify (+ 1 0) into 1
1.641 * [backup-simplify]: Simplify (/ (+ (* 1 (/ (* (pow (* 1 1) 1)) (pow -1 1)))) 1) into -1
1.641 * [backup-simplify]: Simplify -1 into -1
1.642 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.642 * [backup-simplify]: Simplify (- 0) into 0
1.643 * [backup-simplify]: Simplify (+ 0 0) into 0
1.645 * [backup-simplify]: Simplify (/ (+ (* -1 (/ (* (pow (* 1 1) 2)) (pow -1 2))) (* 1 (/ (* 1 (pow (* 2 0) 1)) (pow -1 1)))) 2) into -1/2
1.645 * [backup-simplify]: Simplify -1/2 into -1/2
1.646 * [backup-simplify]: Simplify (+ (* -1/2 (pow (/ 1 (- x)) 2)) (+ (* -1 (/ 1 (- x))) (- (log -1) (log (/ 1 (- x)))))) into (- (+ (/ 1 x) (log -1)) (+ (log (/ -1 x)) (* 1/2 (/ 1 (pow x 2)))))
1.646 * * * [progress]: simplifying candidates
1.646 * * * * [progress]: [ 1 / 22 ] simplifiying candidate #<alt (λ (x) (log1p (expm1 (log (+ 1 x)))))>
1.646 * * * * [progress]: [ 2 / 22 ] simplifiying candidate #<alt (λ (x) (expm1 (log1p (log (+ 1 x)))))>
1.646 * * * * [progress]: [ 3 / 22 ] simplifiying candidate #<alt (λ (x) (log1p x))>
1.647 * * * * [progress]: [ 4 / 22 ] simplifiying candidate #<alt (λ (x) (+ (log (* (cbrt (+ 1 x)) (cbrt (+ 1 x)))) (log (cbrt (+ 1 x)))))>
1.647 * * * * [progress]: [ 5 / 22 ] simplifiying candidate #<alt (λ (x) (+ (log (sqrt (+ 1 x))) (log (sqrt (+ 1 x)))))>
1.647 * * * * [progress]: [ 6 / 22 ] simplifiying candidate #<alt (λ (x) (+ (log 1) (log (+ 1 x))))>
1.647 * * * * [progress]: [ 7 / 22 ] simplifiying candidate #<alt (λ (x) (+ (log 1) (log (+ 1 x))))>
1.647 * * * * [progress]: [ 8 / 22 ] simplifiying candidate #<alt (λ (x) (- (log (+ (pow 1 3) (pow x 3))) (log (+ (* 1 1) (- (* x x) (* 1 x))))))>
1.647 * * * * [progress]: [ 9 / 22 ] simplifiying candidate #<alt (λ (x) (- (log (- (* 1 1) (* x x))) (log (- 1 x))))>
1.647 * * * * [progress]: [ 10 / 22 ] simplifiying candidate #<alt (λ (x) (* 1 (log (+ 1 x))))>
1.647 * * * * [progress]: [ 11 / 22 ] simplifiying candidate #<alt (λ (x) (pow (log (+ 1 x)) 1))>
1.647 * * * * [progress]: [ 12 / 22 ] simplifiying candidate #<alt (λ (x) (log (+ 1 x)))>
1.647 * * * * [progress]: [ 13 / 22 ] simplifiying candidate #<alt (λ (x) (exp (log (log (+ 1 x)))))>
1.647 * * * * [progress]: [ 14 / 22 ] simplifiying candidate #<alt (λ (x) (log (exp (log (+ 1 x)))))>
1.647 * * * * [progress]: [ 15 / 22 ] simplifiying candidate #<alt (λ (x) (* (* (cbrt (log (+ 1 x))) (cbrt (log (+ 1 x)))) (cbrt (log (+ 1 x)))))>
1.647 * * * * [progress]: [ 16 / 22 ] simplifiying candidate #<alt (λ (x) (cbrt (* (* (log (+ 1 x)) (log (+ 1 x))) (log (+ 1 x)))))>
1.647 * * * * [progress]: [ 17 / 22 ] simplifiying candidate #<alt (λ (x) (* (sqrt (log (+ 1 x))) (sqrt (log (+ 1 x)))))>
1.647 * * * * [progress]: [ 18 / 22 ] simplifiying candidate #<alt (λ (x) (* 1 (log (+ 1 x))))>
1.647 * * * * [progress]: [ 19 / 22 ] simplifiying candidate #<alt (λ (x) (posit16->real (real->posit16 (log (+ 1 x)))))>
1.648 * * * * [progress]: [ 20 / 22 ] simplifiying candidate #<alt (λ (x) (- (+ x (* 1/3 (pow x 3))) (* 1/2 (pow x 2))))>
1.648 * * * * [progress]: [ 21 / 22 ] simplifiying candidate #<alt (λ (x) (- (/ 1 x) (+ (log (/ 1 x)) (* 1/2 (/ 1 (pow x 2))))))>
1.648 * * * * [progress]: [ 22 / 22 ] simplifiying candidate #<alt (λ (x) (- (+ (/ 1 x) (log -1)) (+ (log (/ -1 x)) (* 1/2 (/ 1 (pow x 2))))))>
1.648 * [simplify]: Simplifying:
  (expm1 (log (+ 1 x)))
  (log1p (log (+ 1 x)))
  (log (* (cbrt (+ 1 x)) (cbrt (+ 1 x))))
  (log (cbrt (+ 1 x)))
  (log (sqrt (+ 1 x)))
  (log (sqrt (+ 1 x)))
  (log 1)
  (log (+ 1 x))
  (log 1)
  (log (+ 1 x))
  (log (+ (pow 1 3) (pow x 3)))
  (log (+ (* 1 1) (- (* x x) (* 1 x))))
  (log (- (* 1 1) (* x x)))
  (log (- 1 x))
  (log (+ 1 x))
  (log (log (+ 1 x)))
  (exp (log (+ 1 x)))
  (* (cbrt (log (+ 1 x))) (cbrt (log (+ 1 x))))
  (cbrt (log (+ 1 x)))
  (* (* (log (+ 1 x)) (log (+ 1 x))) (log (+ 1 x)))
  (sqrt (log (+ 1 x)))
  (sqrt (log (+ 1 x)))
  (real->posit16 (log (+ 1 x)))
  (- (+ x (* 1/3 (pow x 3))) (* 1/2 (pow x 2)))
  (- (/ 1 x) (+ (log (/ 1 x)) (* 1/2 (/ 1 (pow x 2)))))
  (- (+ (/ 1 x) (log -1)) (+ (log (/ -1 x)) (* 1/2 (/ 1 (pow x 2)))))
1.649 * * [simplify]: iteration 1: (57 enodes)
1.663 * * [simplify]: iteration 2: (114 enodes)
1.695 * * [simplify]: iteration 3: (239 enodes)
1.768 * * [simplify]: iteration 4: (518 enodes)
2.000 * * [simplify]: iteration 5: (1312 enodes)
3.085 * * [simplify]: Extracting #0: cost 20 inf + 0
3.086 * * [simplify]: Extracting #1: cost 218 inf + 697
3.093 * * [simplify]: Extracting #2: cost 468 inf + 6149
3.106 * * [simplify]: Extracting #3: cost 367 inf + 21765
3.131 * * [simplify]: Extracting #4: cost 212 inf + 56598
3.178 * * [simplify]: Extracting #5: cost 15 inf + 112311
3.229 * * [simplify]: Extracting #6: cost 0 inf + 116644
3.275 * * [simplify]: Extracting #7: cost 0 inf + 116563
3.323 * [simplify]: Simplified to:
  x
  (log1p (log1p x))
  (log (* (cbrt (+ x 1)) (cbrt (+ x 1))))
  (log (cbrt (+ x 1)))
  (log (sqrt (+ x 1)))
  (log (sqrt (+ x 1)))
  0
  (log1p x)
  0
  (log1p x)
  (log (fma (* x x) x 1))
  (log (fma x x (- 1 x)))
  (log (- 1 (* x x)))
  (log (- 1 x))
  (log1p x)
  (log (log1p x))
  (+ x 1)
  (* (cbrt (log1p x)) (cbrt (log1p x)))
  (cbrt (log1p x))
  (* (log1p x) (* (log1p x) (log1p x)))
  (sqrt (log1p x))
  (sqrt (log1p x))
  (real->posit16 (log1p x))
  (fma (* x (fma x 1/3 -1/2)) x x)
  (- (+ (log x) (/ 1 x)) (/ 1/2 (* x x)))
  (- (+ (log x) (/ 1 x)) (/ 1/2 (* x x)))
3.324 * * * [progress]: adding candidates to table
3.483 * [progress]: [Phase 3 of 3] Extracting.
3.484 * * [regime]: Finding splitpoints for: (#<alt (λ (x) (log1p x))> #<alt (λ (x) (log (+ 1 x)))>)
3.484 * * * [regime-changes]: Trying 3 branch expressions: (x (+ 1 x) (log (+ 1 x)))
3.484 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x) (log1p x))> #<alt (λ (x) (log (+ 1 x)))>)
3.515 * * * * [regimes]: Trying to branch on (+ 1 x) from (#<alt (λ (x) (log1p x))> #<alt (λ (x) (log (+ 1 x)))>)
3.544 * * * * [regimes]: Trying to branch on (log (+ 1 x)) from (#<alt (λ (x) (log1p x))> #<alt (λ (x) (log (+ 1 x)))>)
3.563 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
3.563 * [simplify]: Simplifying:
  (log1p x)
3.563 * * [simplify]: iteration 1: (2 enodes)
3.563 * * [simplify]: Extracting #0: cost 1 inf + 0
3.563 * * [simplify]: Extracting #1: cost 2 inf + 0
3.564 * * [simplify]: Extracting #2: cost 1 inf + 1
3.564 * * [simplify]: Extracting #3: cost 0 inf + 92
3.564 * [simplify]: Simplified to:
  (log1p x)
7.252 * [regime-testing]: Baseline error score: 0.0005000625078134767
7.254 * [regime-testing]: Oracle error score: 0.00012501562695336918
7.259 * [regime-testing]: End program error score: 0.0005000625078134767
7.333 * [regime-testing]: Target error score: 0.20961469520772952