* [misc]progress:  [Phase 1 of 3] Setting up.
* * * [misc]progress:  [1/2] Preparing points
* * * * [misc]points:  Sampling 256 additional inputs, have 0 / 256
* * * * [misc]points:  Computing 256 additional correct outputs
* * * * [misc]points:  Precision set to 2
* * * * [misc]points:  Precision set to 128
* * * * [misc]points:  Precision set to 384
* * * * [misc]points:  Precision set to 640
* * * * [misc]points:  Precision set to 384
* * * * [misc]points:  Precision set to 640
* * * * [misc]points:  Precision set to 896
* * * * [misc]points:  Precision set to 640
* * * * [misc]points:  Precision set to 896
* * * * [misc]points:  Precision set to 1152
* * * * [misc]points:  Precision set to 1408
* * * * [misc]points:  Precision set to 1152
* * * * [misc]points:  Precision set to 1408
* * * * [misc]points:  Precision set to 1152
* * * * [misc]points:  Precision set to 1408
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [misc]points:  Sampling 66 additional inputs, have 190 / 256
* * * * [misc]points:  Computing 66 additional correct outputs
* * * * [misc]points:  Precision set to 1152
* * * * [misc]points:  Precision set to 1408
* * * * [misc]points:  Precision set to 1152
* * * * [misc]points:  Precision set to 1408
* * * * [misc]points:  Precision set to 1152
* * * * [misc]points:  Precision set to 1408
* * * * [misc]points:  Precision set to 1152
* * * * [misc]points:  Precision set to 1408
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [misc]points:  Sampling 13 additional inputs, have 243 / 256
* * * * [misc]points:  Computing 13 additional correct outputs
* * * * [misc]points:  Precision set to 1152
* * * * [misc]points:  Precision set to 1408
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [misc]points:  Sampling 2 additional inputs, have 254 / 256
* * * * [misc]points:  Computing 2 additional correct outputs
* * * * [misc]points:  Precision set to 1152
* * * * [misc]points:  Precision set to 1408
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * [misc]progress:  [2/2] Setting up program.
* [misc]progress:  [Phase 2 of 3] Improving.
* [enter]simplify:  Simplifying (log (+ 1 x))
* * [misc]simplify:  iters left: 3 (4 enodes)
* * [misc]simplify:  iters left: 2 (8 enodes)
* [exit]simplify:  Simplified to (log1p x)
* * [misc]progress:  iteration 1 / 4
* * * [misc]progress:  picking best candidate
* * * * [misc]pick:  Picked  #<alt-delta (λ (x) (log1p x))>
* * * [misc]progress:  localizing error
* * * [misc]progress:  generating rewritten candidates
* * * * [misc]progress:  [ 1 / 1 ] rewriting at (2)
* * * [misc]progress:  generating series expansions
* * * * [misc]progress:  [ 1 / 1 ] generating series at (2)
* [misc]approximate:  Taking taylor expansion of (log1p x) in (x) around 0
* [misc]taylor:  Taking taylor expansion of (log1p x) in x
* [misc]taylor:  Rewrote expression to (log (+ 1 x))
* [misc]taylor:  Taking taylor expansion of (+ 1 x) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (log 1) into 0
* [misc]taylor:  Taking taylor expansion of (log1p x) in x
* [misc]taylor:  Rewrote expression to (log (+ 1 x))
* [misc]taylor:  Taking taylor expansion of (+ 1 x) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (log 1) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (/ (+ (* 1 (/ (* (pow (* 1 1) 1)) (pow 1 1)))) 1) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (/ (+ (* -1 (/ (* (pow (* 1 1) 2)) (pow 1 2))) (* 1 (/ (* 1 (pow (* 2 0) 1)) (pow 1 1)))) 2) into -1/2
* [misc]backup-simplify:  Simplify -1/2 into -1/2
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]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
* [misc]backup-simplify:  Simplify 1/3 into 1/3
* [misc]backup-simplify:  Simplify (+ (* 1/3 (pow x 3)) (+ (* -1/2 (pow x 2)) (* 1 x))) into (- (+ (* 1/3 (pow x 3)) x) (* 1/2 (pow x 2)))
* [misc]approximate:  Taking taylor expansion of (log1p (/ 1 x)) in (x) around 0
* [misc]taylor:  Taking taylor expansion of (log1p (/ 1 x)) in x
* [misc]taylor:  Rewrote expression to (log (+ 1 (/ 1 x)))
* [misc]taylor:  Taking taylor expansion of (+ 1 (/ 1 x)) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (log 1) into 0
* [misc]taylor:  Taking taylor expansion of (log1p (/ 1 x)) in x
* [misc]taylor:  Rewrote expression to (log (+ 1 (/ 1 x)))
* [misc]taylor:  Taking taylor expansion of (+ 1 (/ 1 x)) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (log 1) into 0
* [misc]backup-simplify:  Simplify (+ (* (- 1) (log x)) 0) into (- (log x))
* [misc]backup-simplify:  Simplify (- (log x)) into (- (log x))
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (/ (+ (* 1 (/ (* (pow (* 1 1) 1)) (pow 1 1)))) 1) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (/ (+ (* -1 (/ (* (pow (* 1 1) 2)) (pow 1 2))) (* 1 (/ (* 1 (pow (* 2 0) 1)) (pow 1 1)))) 2) into -1/2
* [misc]backup-simplify:  Simplify -1/2 into -1/2
* [misc]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)))))
* [misc]approximate:  Taking taylor expansion of (log1p (/ 1 (- x))) in (x) around 0
* [misc]taylor:  Taking taylor expansion of (log1p (/ 1 (- x))) in x
* [misc]taylor:  Rewrote expression to (log (+ 1 (/ 1 (- x))))
* [misc]taylor:  Taking taylor expansion of (+ 1 (/ 1 (- x))) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in x
* [misc]taylor:  Taking taylor expansion of (- x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]backup-simplify:  Simplify (log -1) into (log -1)
* [misc]taylor:  Taking taylor expansion of (log1p (/ 1 (- x))) in x
* [misc]taylor:  Rewrote expression to (log (+ 1 (/ 1 (- x))))
* [misc]taylor:  Taking taylor expansion of (+ 1 (/ 1 (- x))) in x
* [misc]taylor:  Taking taylor expansion of 1 in x
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- x)) in x
* [misc]taylor:  Taking taylor expansion of (- x) in x
* [misc]taylor:  Taking taylor expansion of x in x
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]backup-simplify:  Simplify (log -1) into (log -1)
* [misc]backup-simplify:  Simplify (+ (* (- 1) (log x)) (log -1)) into (- (log -1) (log x))
* [misc]backup-simplify:  Simplify (- (log -1) (log x)) into (- (log -1) (log x))
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (/ (+ (* 1 (/ (* (pow (* 1 1) 1)) (pow -1 1)))) 1) into -1
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (/ (+ (* -1 (/ (* (pow (* 1 1) 2)) (pow -1 2))) (* 1 (/ (* 1 (pow (* 2 0) 1)) (pow -1 1)))) 2) into -1/2
* [misc]backup-simplify:  Simplify -1/2 into -1/2
* [misc]backup-simplify:  Simplify (+ (* -1/2 (pow (/ 1 (- x)) 2)) (+ (* -1 (/ 1 (- x))) (- (log -1) (log (/ 1 (- x)))))) into (- (+ (log -1) (/ 1 x)) (+ (log (/ -1 x)) (* 1/2 (/ 1 (pow x 2)))))
* * * [misc]progress:  simplifying candidates
* * * * [misc]progress:  [ 1 / 13 ] simplifiying candidate #<alt-delta (λ (x) (log (+ 1 x)))>
* [enter]simplify:  Simplifying (+ 1 x)
* * [misc]simplify:  iters left: 2 (3 enodes)
* * [misc]simplify:  iters left: 1 (6 enodes)
* [exit]simplify:  Simplified to (+ x 1)
* [exit]simplify:  Simplified to (+ x 1)
* * * * [misc]progress:  [ 2 / 13 ] simplifiying candidate #<alt-delta (λ (x) (log1p (expm1 (log1p x))))>
* [enter]simplify:  Simplifying (expm1 (log1p x))
* * [misc]simplify:  iters left: 2 (3 enodes)
* [exit]simplify:  Simplified to x
* [exit]simplify:  Simplified to x
* * * * [misc]progress:  [ 3 / 13 ] simplifiying candidate #<alt-delta (λ (x) (expm1 (log1p (log1p x))))>
* [enter]simplify:  Simplifying (log1p (log1p x))
* * [misc]simplify:  iters left: 2 (3 enodes)
* [exit]simplify:  Simplified to (log1p (log1p x))
* [exit]simplify:  Simplified to (log1p (log1p x))
* * * * [misc]progress:  [ 4 / 13 ] simplifiying candidate #<alt-delta (λ (x) (pow (log1p x) 1))>
* * * * [misc]progress:  [ 5 / 13 ] simplifiying candidate #<alt-delta (λ (x) (exp (log (log1p x))))>
* [enter]simplify:  Simplifying (log (log1p x))
* * [misc]simplify:  iters left: 2 (3 enodes)
* [exit]simplify:  Simplified to (log (log1p x))
* [exit]simplify:  Simplified to (log (log1p x))
* * * * [misc]progress:  [ 6 / 13 ] simplifiying candidate #<alt-delta (λ (x) (log (exp (log1p x))))>
* [enter]simplify:  Simplifying (exp (log1p x))
* * [misc]simplify:  iters left: 2 (3 enodes)
* [exit]simplify:  Simplified to (exp (log1p x))
* [exit]simplify:  Simplified to (exp (log1p x))
* * * * [misc]progress:  [ 7 / 13 ] simplifiying candidate #<alt-delta (λ (x) (* (* (cbrt (log1p x)) (cbrt (log1p x))) (cbrt (log1p x))))>
* [enter]simplify:  Simplifying (* (cbrt (log1p x)) (cbrt (log1p x)))
* * [misc]simplify:  iters left: 4 (4 enodes)
* [exit]simplify:  Simplified to (* (cbrt (log1p x)) (cbrt (log1p x)))
* [exit]simplify:  Simplified to (* (cbrt (log1p x)) (cbrt (log1p x)))
* [enter]simplify:  Simplifying (cbrt (log1p x))
* * [misc]simplify:  iters left: 2 (3 enodes)
* [exit]simplify:  Simplified to (cbrt (log1p x))
* [exit]simplify:  Simplified to (cbrt (log1p x))
* * * * [misc]progress:  [ 8 / 13 ] simplifiying candidate #<alt-delta (λ (x) (cbrt (* (* (log1p x) (log1p x)) (log1p x))))>
* [enter]simplify:  Simplifying (* (* (log1p x) (log1p x)) (log1p x))
* * [misc]simplify:  iters left: 5 (4 enodes)
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (7 enodes)
* [exit]simplify:  Simplified to (pow (log1p x) 3)
* [exit]simplify:  Simplified to (pow (log1p x) 3)
* * * * [misc]progress:  [ 9 / 13 ] simplifiying candidate #<alt-delta (λ (x) (* (sqrt (log1p x)) (sqrt (log1p x))))>
* [enter]simplify:  Simplifying (sqrt (log1p x))
* * [misc]simplify:  iters left: 2 (3 enodes)
* [exit]simplify:  Simplified to (sqrt (log1p x))
* [exit]simplify:  Simplified to (sqrt (log1p x))
* [enter]simplify:  Simplifying (sqrt (log1p x))
* * [misc]simplify:  iters left: 2 (3 enodes)
* [exit]simplify:  Simplified to (sqrt (log1p x))
* [exit]simplify:  Simplified to (sqrt (log1p x))
* * * * [misc]progress:  [ 10 / 13 ] simplifiying candidate #<alt-delta (λ (x) (* 1 (log1p x)))>
* * * * [misc]progress:  [ 11 / 13 ] simplifiying candidate #<alt-event (λ (x) (- (+ (* 1/3 (pow x 3)) x) (* 1/2 (pow x 2))))>
* [enter]simplify:  Simplifying (- (+ (* 1/3 (pow x 3)) x) (* 1/2 (pow x 2)))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (22 enodes)
* * [misc]simplify:  iters left: 4 (54 enodes)
* * [misc]simplify:  iters left: 3 (109 enodes)
* * [misc]simplify:  iters left: 2 (186 enodes)
* * [misc]simplify:  iters left: 1 (264 enodes)
* [exit]simplify:  Simplified to (fma (- (* x 1/3) 1/2) (* x x) x)
* * * * [misc]progress:  [ 12 / 13 ] simplifiying candidate #<alt-event (λ (x) (- (/ 1 x) (+ (log (/ 1 x)) (* 1/2 (/ 1 (pow x 2))))))>
* [enter]simplify:  Simplifying (- (/ 1 x) (+ (log (/ 1 x)) (* 1/2 (/ 1 (pow x 2)))))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (26 enodes)
* * [misc]simplify:  iters left: 4 (49 enodes)
* * [misc]simplify:  iters left: 3 (111 enodes)
* * [misc]simplify:  iters left: 2 (288 enodes)
* [exit]simplify:  Simplified to (- (+ (log x) (/ 1 x)) (/ (/ 1/2 x) x))
* * * * [misc]progress:  [ 13 / 13 ] simplifiying candidate #<alt-event (λ (x) (- (+ (log -1) (/ 1 x)) (+ (log (/ -1 x)) (* 1/2 (/ 1 (pow x 2))))))>
* [enter]simplify:  Simplifying (- (+ (log -1) (/ 1 x)) (+ (log (/ -1 x)) (* 1/2 (/ 1 (pow x 2)))))
* * [misc]simplify:  iters left: 6 (15 enodes)
* * [misc]simplify:  iters left: 5 (31 enodes)
* * [misc]simplify:  iters left: 4 (68 enodes)
* * [misc]simplify:  iters left: 3 (159 enodes)
* * [misc]simplify:  iters left: 2 (431 enodes)
* [exit]simplify:  Simplified to (- (+ (/ 1 x) (log x)) (/ 1/2 (* x x)))
* * * [misc]progress:  adding candidates to table
* [misc]progress:  [Phase 3 of 3] Extracting.
* * * * [misc]points:  Sampling 8000 additional inputs, have 0 / 8000
* * * * [misc]points:  Computing 8000 additional correct outputs
* * * * [misc]points:  Precision set to 1152
* * * * [misc]points:  Precision set to 1408
* * * * [misc]points:  Precision set to 1152
* * * * [misc]points:  Precision set to 1408
* * * * [misc]points:  Precision set to 1152
* * * * [misc]points:  Precision set to 1408
* * * * [misc]points:  Precision set to 1152
* * * * [misc]points:  Precision set to 1408
* * * * [misc]points:  Precision set to 1152
* * * * [misc]points:  Precision set to 1408
* * * * [misc]points:  Precision set to 1152
* * * * [misc]points:  Precision set to 1408
* * * * [misc]points:  Precision set to 1152
* * * * [misc]points:  Precision set to 1408
* * * * [misc]points:  Precision set to 1152
* * * * [misc]points:  Precision set to 1408
* * * * [misc]points:  Precision set to 1152
* * * * [misc]points:  Precision set to 1408
* * * * [misc]points:  Precision set to 1152
* * * * [misc]points:  Precision set to 1408
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [misc]points:  Sampling 1911 additional inputs, have 6089 / 8000
* * * * [misc]points:  Computing 1911 additional correct outputs
* * * * [misc]points:  Precision set to 1152
* * * * [misc]points:  Precision set to 1408
* * * * [misc]points:  Precision set to 1152
* * * * [misc]points:  Precision set to 1408
* * * * [misc]points:  Precision set to 1152
* * * * [misc]points:  Precision set to 1408
* * * * [misc]points:  Precision set to 1152
* * * * [misc]points:  Precision set to 1408
* * * * [misc]points:  Precision set to 1152
* * * * [misc]points:  Precision set to 1408
* * * * [misc]points:  Precision set to 1152
* * * * [misc]points:  Precision set to 1408
* * * * [misc]points:  Precision set to 1152
* * * * [misc]points:  Precision set to 1408
* * * * [misc]points:  Precision set to 1152
* * * * [misc]points:  Precision set to 1408
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [misc]points:  Sampling 444 additional inputs, have 7556 / 8000
* * * * [misc]points:  Computing 444 additional correct outputs
* * * * [misc]points:  Precision set to 1152
* * * * [misc]points:  Precision set to 1408
* * * * [misc]points:  Precision set to 1152
* * * * [misc]points:  Precision set to 1408
* * * * [misc]points:  Precision set to 1152
* * * * [misc]points:  Precision set to 1408
* * * * [misc]points:  Precision set to 1152
* * * * [misc]points:  Precision set to 1408
* * * * [misc]points:  Precision set to 1152
* * * * [misc]points:  Precision set to 1408
* * * * [misc]points:  Precision set to 1152
* * * * [misc]points:  Precision set to 1408
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [misc]points:  Sampling 106 additional inputs, have 7894 / 8000
* * * * [misc]points:  Computing 106 additional correct outputs
* * * * [misc]points:  Precision set to 1152
* * * * [misc]points:  Precision set to 1408
* * * * [misc]points:  Precision set to 1152
* * * * [misc]points:  Precision set to 1408
* * * * [misc]points:  Precision set to 1152
* * * * [misc]points:  Precision set to 1408
* * * * [misc]points:  Precision set to 1152
* * * * [misc]points:  Precision set to 1408
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [misc]points:  Sampling 28 additional inputs, have 7972 / 8000
* * * * [misc]points:  Computing 28 additional correct outputs
* * * * [misc]points:  Precision set to 1152
* * * * [misc]points:  Precision set to 1408
* * * * [misc]points:  Precision set to 1152
* * * * [misc]points:  Precision set to 1408
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [misc]points:  Sampling 8 additional inputs, have 7992 / 8000
* * * * [misc]points:  Computing 8 additional correct outputs
* * * * [misc]points:  Precision set to 1152
* * * * [misc]points:  Precision set to 1408
* * * * [misc]points:  Filtering points with unrepresentable outputs
* * * * [misc]points:  Sampling 1 additional inputs, have 7999 / 8000
* * * * [misc]points:  Computing 1 additional correct outputs
* * * * [misc]points:  Precision set to 1152
* * * * [misc]points:  Precision set to 1408
* * * * [misc]points:  Filtering points with unrepresentable outputs