4.516 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.068 * * * [progress]: [2/2] Setting up program.
0.071 * [progress]: [Phase 2 of 3] Improving.
0.071 * [simplify]: Simplifying:
  (log (+ 1.0 x))
0.071 * * [simplify]: iteration 0: 4 enodes
0.072 * * [simplify]: iteration 1: 5 enodes
0.072 * * [simplify]: iteration complete: 5 enodes
0.073 * * [simplify]: Extracting #0: cost 1 inf + 0
0.073 * * [simplify]: Extracting #1: cost 2 inf + 0
0.073 * * [simplify]: Extracting #2: cost 4 inf + 0
0.073 * * [simplify]: Extracting #3: cost 2 inf + 2
0.073 * * [simplify]: Extracting #4: cost 0 inf + 9
0.073 * [simplify]: Simplified to:
  (log (+ x 1.0))
0.076 * * [progress]: iteration 1 / 4
0.076 * * * [progress]: picking best candidate
0.079 * * * * [pick]: Picked  #<alt (λ (x) (log (+ x 1.0)))>
0.079 * * * [progress]: localizing error
0.084 * * * [progress]: generating rewritten candidates
0.084 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.089 * * * [progress]: generating series expansions
0.089 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.089 * [backup-simplify]: Simplify (log (+ x 1.0)) into (log (+ x 1.0))
0.089 * [approximate]: Taking taylor expansion of (log (+ x 1.0)) in (x) around 0
0.089 * [taylor]: Taking taylor expansion of (log (+ x 1.0)) in x
0.089 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
0.089 * [taylor]: Taking taylor expansion of x in x
0.089 * [backup-simplify]: Simplify 0 into 0
0.089 * [backup-simplify]: Simplify 1 into 1
0.089 * [taylor]: Taking taylor expansion of 1.0 in x
0.089 * [backup-simplify]: Simplify 1.0 into 1.0
0.090 * [backup-simplify]: Simplify (+ 0 1.0) into 1.0
0.090 * [backup-simplify]: Simplify (log 1.0) into (log 1.0)
0.090 * [taylor]: Taking taylor expansion of (log (+ x 1.0)) in x
0.090 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
0.090 * [taylor]: Taking taylor expansion of x in x
0.090 * [backup-simplify]: Simplify 0 into 0
0.090 * [backup-simplify]: Simplify 1 into 1
0.090 * [taylor]: Taking taylor expansion of 1.0 in x
0.090 * [backup-simplify]: Simplify 1.0 into 1.0
0.091 * [backup-simplify]: Simplify (+ 0 1.0) into 1.0
0.091 * [backup-simplify]: Simplify (log 1.0) into (log 1.0)
0.091 * [backup-simplify]: Simplify (log 1.0) into (log 1.0)
0.092 * [backup-simplify]: Simplify (+ 1 0) into 1
0.097 * [backup-simplify]: Simplify (/ (+ (* 1 (/ (* (pow (* 1 1) 1)) (pow 1.0 1)))) 1) into 1.0
0.097 * [backup-simplify]: Simplify 1.0 into 1.0
0.099 * [backup-simplify]: Simplify (+ 0 0) into 0
0.110 * [backup-simplify]: Simplify (/ (+ (* -1 (/ (* (pow (* 1 1) 2)) (pow 1.0 2))) (* 1 (/ (* 1 (pow (* 2 0) 1)) (pow 1.0 1)))) 2) into (/ -1/2 (pow 1.0 2))
0.111 * [backup-simplify]: Simplify (/ -1/2 (pow 1.0 2)) into (/ -1/2 (pow 1.0 2))
0.114 * [backup-simplify]: Simplify (+ (* (/ -1/2 (pow 1.0 2)) (pow x 2)) (+ (* 1.0 x) (log 1.0))) into (- (+ (log 1.0) (* 1.0 x)) (* 1/2 (/ (pow x 2) (pow 1.0 2))))
0.114 * [backup-simplify]: Simplify (log (+ (/ 1 x) 1.0)) into (log (+ (/ 1 x) 1.0))
0.114 * [approximate]: Taking taylor expansion of (log (+ (/ 1 x) 1.0)) in (x) around 0
0.114 * [taylor]: Taking taylor expansion of (log (+ (/ 1 x) 1.0)) in x
0.114 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
0.114 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.114 * [taylor]: Taking taylor expansion of x in x
0.114 * [backup-simplify]: Simplify 0 into 0
0.114 * [backup-simplify]: Simplify 1 into 1
0.115 * [backup-simplify]: Simplify (/ 1 1) into 1
0.115 * [taylor]: Taking taylor expansion of 1.0 in x
0.115 * [backup-simplify]: Simplify 1.0 into 1.0
0.115 * [backup-simplify]: Simplify (+ 1 0) into 1
0.116 * [backup-simplify]: Simplify (log 1) into 0
0.116 * [taylor]: Taking taylor expansion of (log (+ (/ 1 x) 1.0)) in x
0.116 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
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
0.116 * [backup-simplify]: Simplify (/ 1 1) into 1
0.116 * [taylor]: Taking taylor expansion of 1.0 in x
0.116 * [backup-simplify]: Simplify 1.0 into 1.0
0.117 * [backup-simplify]: Simplify (+ 1 0) into 1
0.117 * [backup-simplify]: Simplify (log 1) into 0
0.118 * [backup-simplify]: Simplify (+ (* (- 1) (log x)) 0) into (- (log x))
0.118 * [backup-simplify]: Simplify (- (log x)) into (- (log x))
0.119 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.119 * [backup-simplify]: Simplify (+ 0 1.0) into 1.0
0.127 * [backup-simplify]: Simplify (/ (+ (* 1 (/ (* (pow (* 1 1.0) 1)) (pow 1 1)))) 1) into 1.0
0.127 * [backup-simplify]: Simplify 1.0 into 1.0
0.128 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.128 * [backup-simplify]: Simplify (+ 0 0) into 0
0.140 * [backup-simplify]: Simplify (/ (+ (* -1 (/ (* (pow (* 1 1.0) 2)) (pow 1 2))) (* 1 (/ (* 1 (pow (* 2 0) 1)) (pow 1 1)))) 2) into -0.5
0.140 * [backup-simplify]: Simplify -0.5 into -0.5
0.141 * [backup-simplify]: Simplify (+ (* -0.5 (pow (/ 1 x) 2)) (+ (* 1.0 (/ 1 x)) (- (log (/ 1 x))))) into (- (* 1.0 (/ 1 x)) (+ (log (/ 1 x)) (* 0.5 (/ 1 (pow x 2)))))
0.141 * [backup-simplify]: Simplify (log (+ (/ 1 (- x)) 1.0)) into (log (- 1.0 (/ 1 x)))
0.141 * [approximate]: Taking taylor expansion of (log (- 1.0 (/ 1 x))) in (x) around 0
0.141 * [taylor]: Taking taylor expansion of (log (- 1.0 (/ 1 x))) in x
0.141 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
0.141 * [taylor]: Taking taylor expansion of 1.0 in x
0.141 * [backup-simplify]: Simplify 1.0 into 1.0
0.141 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.141 * [taylor]: Taking taylor expansion of x in x
0.141 * [backup-simplify]: Simplify 0 into 0
0.141 * [backup-simplify]: Simplify 1 into 1
0.142 * [backup-simplify]: Simplify (/ 1 1) into 1
0.142 * [backup-simplify]: Simplify (- 1) into -1
0.143 * [backup-simplify]: Simplify (+ 0 -1) into -1
0.143 * [backup-simplify]: Simplify (log -1) into (log -1)
0.143 * [taylor]: Taking taylor expansion of (log (- 1.0 (/ 1 x))) in x
0.144 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
0.144 * [taylor]: Taking taylor expansion of 1.0 in x
0.144 * [backup-simplify]: Simplify 1.0 into 1.0
0.144 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.144 * [taylor]: Taking taylor expansion of x in x
0.144 * [backup-simplify]: Simplify 0 into 0
0.144 * [backup-simplify]: Simplify 1 into 1
0.144 * [backup-simplify]: Simplify (/ 1 1) into 1
0.145 * [backup-simplify]: Simplify (- 1) into -1
0.145 * [backup-simplify]: Simplify (+ 0 -1) into -1
0.146 * [backup-simplify]: Simplify (log -1) into (log -1)
0.147 * [backup-simplify]: Simplify (+ (* (- 1) (log x)) (log -1)) into (- (log -1) (log x))
0.147 * [backup-simplify]: Simplify (- (log -1) (log x)) into (- (log -1) (log x))
0.148 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.148 * [backup-simplify]: Simplify (- 0) into 0
0.149 * [backup-simplify]: Simplify (+ 1.0 0) into 1.0
0.168 * [backup-simplify]: Simplify (/ (+ (* 1 (/ (* (pow (* 1 1.0) 1)) (pow -1 1)))) 1) into -1.0
0.168 * [backup-simplify]: Simplify -1.0 into -1.0
0.170 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.170 * [backup-simplify]: Simplify (- 0) into 0
0.171 * [backup-simplify]: Simplify (+ 0 0) into 0
0.186 * [backup-simplify]: Simplify (/ (+ (* -1 (/ (* (pow (* 1 1.0) 2)) (pow -1 2))) (* 1 (/ (* 1 (pow (* 2 0) 1)) (pow -1 1)))) 2) into -0.5
0.186 * [backup-simplify]: Simplify -0.5 into -0.5
0.187 * [backup-simplify]: Simplify (+ (* -0.5 (pow (/ 1 (- x)) 2)) (+ (* -1.0 (/ 1 (- x))) (- (log -1) (log (/ 1 (- x)))))) into (- (+ (* 1.0 (/ 1 x)) (log -1)) (+ (log (/ -1 x)) (* 0.5 (/ 1 (pow x 2)))))
0.187 * * * [progress]: simplifying candidates
0.188 * [simplify]: Simplifying:
  (expm1 (log (+ x 1.0)))
  (log1p (log (+ x 1.0)))
  (log (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))))
  (log (cbrt (+ x 1.0)))
  (log (sqrt (+ x 1.0)))
  (log (sqrt (+ x 1.0)))
  (log 1)
  (log (+ x 1.0))
  (log 1)
  (log (+ x 1.0))
  (log (+ (pow x 3) (pow 1.0 3)))
  (log (+ (* x x) (- (* 1.0 1.0) (* x 1.0))))
  (log (- (* x x) (* 1.0 1.0)))
  (log (- x 1.0))
  (log (+ x 1.0))
  (log (log (+ x 1.0)))
  (exp (log (+ x 1.0)))
  (* (cbrt (log (+ x 1.0))) (cbrt (log (+ x 1.0))))
  (cbrt (log (+ x 1.0)))
  (* (* (log (+ x 1.0)) (log (+ x 1.0))) (log (+ x 1.0)))
  (sqrt (log (+ x 1.0)))
  (sqrt (log (+ x 1.0)))
  (- (+ (log 1.0) (* 1.0 x)) (* 1/2 (/ (pow x 2) (pow 1.0 2))))
  (- (* 1.0 (/ 1 x)) (+ (log (/ 1 x)) (* 0.5 (/ 1 (pow x 2)))))
  (- (+ (* 1.0 (/ 1 x)) (log -1)) (+ (log (/ -1 x)) (* 0.5 (/ 1 (pow x 2)))))
0.189 * * [simplify]: iteration 0: 61 enodes
0.215 * * [simplify]: iteration 1: 131 enodes
0.295 * * [simplify]: iteration 2: 430 enodes
0.651 * * [simplify]: iteration 3: 1711 enodes
1.465 * * [simplify]: iteration complete: 5000 enodes
1.465 * * [simplify]: Extracting #0: cost 19 inf + 0
1.466 * * [simplify]: Extracting #1: cost 147 inf + 1
1.471 * * [simplify]: Extracting #2: cost 1092 inf + 37
1.481 * * [simplify]: Extracting #3: cost 1038 inf + 2443
1.491 * * [simplify]: Extracting #4: cost 232 inf + 5936
1.502 * * [simplify]: Extracting #5: cost 84 inf + 6893
1.512 * * [simplify]: Extracting #6: cost 14 inf + 7203
1.523 * * [simplify]: Extracting #7: cost 0 inf + 7273
1.533 * [simplify]: Simplified to:
  (expm1 (log (+ 1.0 x)))
  (log1p (log (+ 1.0 x)))
  (* 2 (log (cbrt (+ 1.0 x))))
  (log (cbrt (+ 1.0 x)))
  (log (sqrt (+ 1.0 x)))
  (log (sqrt (+ 1.0 x)))
  0
  (log (+ 1.0 x))
  0
  (log (+ 1.0 x))
  (log (+ (pow x 3) (pow 1.0 3)))
  (log (fma x x (* 1.0 (- 1.0 x))))
  (log (* (+ x 1.0) (- x 1.0)))
  (log (- x 1.0))
  (log (+ 1.0 x))
  (log (log (+ 1.0 x)))
  (+ 1.0 x)
  (* (cbrt (log (+ 1.0 x))) (cbrt (log (+ 1.0 x))))
  (cbrt (log (+ 1.0 x)))
  (pow (log (+ 1.0 x)) 3)
  (sqrt (log (+ 1.0 x)))
  (sqrt (log (+ 1.0 x)))
  (fma (* (/ x 1.0) (/ x 1.0)) -1/2 (fma x 1.0 (log 1.0)))
  (+ (/ 1.0 x) (- (log x) (/ (/ 0.5 x) x)))
  (+ (/ 1.0 x) (- (log x) (/ (/ 0.5 x) x)))
1.535 * * * [progress]: adding candidates to table
1.653 * * [progress]: iteration 2 / 4
1.653 * * * [progress]: picking best candidate
1.660 * * * * [pick]: Picked  #<alt (λ (x) (fma (* (/ x 1.0) (/ x 1.0)) -1/2 (fma x 1.0 (log 1.0))))>
1.660 * * * [progress]: localizing error
1.685 * * * [progress]: generating rewritten candidates
1.685 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
1.686 * * * [progress]: generating series expansions
1.686 * * * * [progress]: [ 1 / 1 ] generating series at (2)
1.686 * [backup-simplify]: Simplify (fma (* (/ x 1.0) (/ x 1.0)) -1/2 (fma x 1.0 (log 1.0))) into (fma (* 1.0 (pow x 2)) -1/2 (fma x 1.0 (log 1.0)))
1.686 * [approximate]: Taking taylor expansion of (fma (* 1.0 (pow x 2)) -1/2 (fma x 1.0 (log 1.0))) in (x) around 0
1.686 * [taylor]: Taking taylor expansion of (fma (* 1.0 (pow x 2)) -1/2 (fma x 1.0 (log 1.0))) in x
1.688 * [taylor]: Rewrote expression to (+ (* (* 1.0 (pow x 2)) -1/2) (fma x 1.0 (log 1.0)))
1.688 * [taylor]: Taking taylor expansion of (* (* 1.0 (pow x 2)) -1/2) in x
1.688 * [taylor]: Taking taylor expansion of (* 1.0 (pow x 2)) in x
1.688 * [taylor]: Taking taylor expansion of 1.0 in x
1.688 * [backup-simplify]: Simplify 1.0 into 1.0
1.688 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.688 * [taylor]: Taking taylor expansion of x in x
1.688 * [backup-simplify]: Simplify 0 into 0
1.688 * [backup-simplify]: Simplify 1 into 1
1.688 * [taylor]: Taking taylor expansion of -1/2 in x
1.688 * [backup-simplify]: Simplify -1/2 into -1/2
1.688 * [taylor]: Taking taylor expansion of (fma x 1.0 (log 1.0)) in x
1.688 * [taylor]: Rewrote expression to (+ (* x 1.0) (log 1.0))
1.688 * [taylor]: Taking taylor expansion of (* x 1.0) in x
1.688 * [taylor]: Taking taylor expansion of x in x
1.688 * [backup-simplify]: Simplify 0 into 0
1.688 * [backup-simplify]: Simplify 1 into 1
1.688 * [taylor]: Taking taylor expansion of 1.0 in x
1.688 * [backup-simplify]: Simplify 1.0 into 1.0
1.688 * [taylor]: Taking taylor expansion of (log 1.0) in x
1.688 * [taylor]: Taking taylor expansion of 1.0 in x
1.688 * [backup-simplify]: Simplify 1.0 into 1.0
1.688 * [backup-simplify]: Simplify (log 1.0) into (log 1.0)
1.688 * [taylor]: Taking taylor expansion of (fma (* 1.0 (pow x 2)) -1/2 (fma x 1.0 (log 1.0))) in x
1.689 * [taylor]: Rewrote expression to (+ (* (* 1.0 (pow x 2)) -1/2) (fma x 1.0 (log 1.0)))
1.689 * [taylor]: Taking taylor expansion of (* (* 1.0 (pow x 2)) -1/2) in x
1.689 * [taylor]: Taking taylor expansion of (* 1.0 (pow x 2)) in x
1.689 * [taylor]: Taking taylor expansion of 1.0 in x
1.689 * [backup-simplify]: Simplify 1.0 into 1.0
1.689 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.689 * [taylor]: Taking taylor expansion of x in x
1.689 * [backup-simplify]: Simplify 0 into 0
1.689 * [backup-simplify]: Simplify 1 into 1
1.689 * [taylor]: Taking taylor expansion of -1/2 in x
1.689 * [backup-simplify]: Simplify -1/2 into -1/2
1.689 * [taylor]: Taking taylor expansion of (fma x 1.0 (log 1.0)) in x
1.689 * [taylor]: Rewrote expression to (+ (* x 1.0) (log 1.0))
1.689 * [taylor]: Taking taylor expansion of (* x 1.0) in x
1.689 * [taylor]: Taking taylor expansion of x in x
1.689 * [backup-simplify]: Simplify 0 into 0
1.689 * [backup-simplify]: Simplify 1 into 1
1.689 * [taylor]: Taking taylor expansion of 1.0 in x
1.689 * [backup-simplify]: Simplify 1.0 into 1.0
1.689 * [taylor]: Taking taylor expansion of (log 1.0) in x
1.689 * [taylor]: Taking taylor expansion of 1.0 in x
1.689 * [backup-simplify]: Simplify 1.0 into 1.0
1.689 * [backup-simplify]: Simplify (log 1.0) into (log 1.0)
1.690 * [backup-simplify]: Simplify (* 0 1.0) into 0
1.690 * [backup-simplify]: Simplify (+ 0 (log 1.0)) into (log 1.0)
1.691 * [backup-simplify]: Simplify (+ 0 (log 1.0)) into (log 1.0)
1.691 * [backup-simplify]: Simplify (log 1.0) into (log 1.0)
1.692 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 1.0)) into 1.0
1.693 * [backup-simplify]: Simplify (/ (+ (* 1 (/ (* (pow (* 1 0) 1)) (pow 1.0 1)))) 1) into 0
1.693 * [backup-simplify]: Simplify (+ 1.0 0) into 1.0
1.693 * [backup-simplify]: Simplify (+ 0 1.0) into 1.0
1.693 * [backup-simplify]: Simplify 1.0 into 1.0
1.693 * [backup-simplify]: Simplify (* 1 1) into 1
1.694 * [backup-simplify]: Simplify (* 1.0 1) into 1.0
1.694 * [backup-simplify]: Simplify (* 1.0 -1/2) into -0.5
1.695 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 1.0))) into 0
1.696 * [backup-simplify]: Simplify (/ (+ (* -1 (/ (* (pow (* 1 0) 2)) (pow 1.0 2))) (* 1 (/ (* 1 (pow (* 2 0) 1)) (pow 1.0 1)))) 2) into 0
1.697 * [backup-simplify]: Simplify (+ 0 0) into 0
1.697 * [backup-simplify]: Simplify (+ -0.5 0) into (- 0.5)
1.697 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
1.698 * [backup-simplify]: Simplify (+ (* (- 0.5) (pow x 2)) (+ (* 1.0 x) (log 1.0))) into (- (+ (log 1.0) (* 1.0 x)) (* 0.5 (pow x 2)))
1.698 * [backup-simplify]: Simplify (fma (* (/ (/ 1 x) 1.0) (/ (/ 1 x) 1.0)) -1/2 (fma (/ 1 x) 1.0 (log 1.0))) into (fma (/ 1.0 (pow x 2)) -1/2 (fma (/ 1 x) 1.0 (log 1.0)))
1.698 * [approximate]: Taking taylor expansion of (fma (/ 1.0 (pow x 2)) -1/2 (fma (/ 1 x) 1.0 (log 1.0))) in (x) around 0
1.698 * [taylor]: Taking taylor expansion of (fma (/ 1.0 (pow x 2)) -1/2 (fma (/ 1 x) 1.0 (log 1.0))) in x
1.698 * [taylor]: Rewrote expression to (+ (* (/ 1.0 (pow x 2)) -1/2) (fma (/ 1 x) 1.0 (log 1.0)))
1.698 * [taylor]: Taking taylor expansion of (* (/ 1.0 (pow x 2)) -1/2) in x
1.698 * [taylor]: Taking taylor expansion of (/ 1.0 (pow x 2)) in x
1.698 * [taylor]: Taking taylor expansion of 1.0 in x
1.698 * [backup-simplify]: Simplify 1.0 into 1.0
1.698 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.698 * [taylor]: Taking taylor expansion of x in x
1.698 * [backup-simplify]: Simplify 0 into 0
1.698 * [backup-simplify]: Simplify 1 into 1
1.699 * [backup-simplify]: Simplify (* 1 1) into 1
1.699 * [backup-simplify]: Simplify (/ 1.0 1) into 1.0
1.699 * [taylor]: Taking taylor expansion of -1/2 in x
1.699 * [backup-simplify]: Simplify -1/2 into -1/2
1.699 * [taylor]: Taking taylor expansion of (fma (/ 1 x) 1.0 (log 1.0)) in x
1.699 * [taylor]: Rewrote expression to (+ (* (/ 1 x) 1.0) (log 1.0))
1.699 * [taylor]: Taking taylor expansion of (* (/ 1 x) 1.0) in x
1.699 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.699 * [taylor]: Taking taylor expansion of x in x
1.699 * [backup-simplify]: Simplify 0 into 0
1.699 * [backup-simplify]: Simplify 1 into 1
1.699 * [backup-simplify]: Simplify (/ 1 1) into 1
1.699 * [taylor]: Taking taylor expansion of 1.0 in x
1.699 * [backup-simplify]: Simplify 1.0 into 1.0
1.700 * [taylor]: Taking taylor expansion of (log 1.0) in x
1.700 * [taylor]: Taking taylor expansion of 1.0 in x
1.700 * [backup-simplify]: Simplify 1.0 into 1.0
1.700 * [backup-simplify]: Simplify (log 1.0) into (log 1.0)
1.700 * [taylor]: Taking taylor expansion of (fma (/ 1.0 (pow x 2)) -1/2 (fma (/ 1 x) 1.0 (log 1.0))) in x
1.700 * [taylor]: Rewrote expression to (+ (* (/ 1.0 (pow x 2)) -1/2) (fma (/ 1 x) 1.0 (log 1.0)))
1.700 * [taylor]: Taking taylor expansion of (* (/ 1.0 (pow x 2)) -1/2) in x
1.700 * [taylor]: Taking taylor expansion of (/ 1.0 (pow x 2)) in x
1.700 * [taylor]: Taking taylor expansion of 1.0 in x
1.700 * [backup-simplify]: Simplify 1.0 into 1.0
1.700 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.700 * [taylor]: Taking taylor expansion of x in x
1.700 * [backup-simplify]: Simplify 0 into 0
1.700 * [backup-simplify]: Simplify 1 into 1
1.700 * [backup-simplify]: Simplify (* 1 1) into 1
1.701 * [backup-simplify]: Simplify (/ 1.0 1) into 1.0
1.701 * [taylor]: Taking taylor expansion of -1/2 in x
1.701 * [backup-simplify]: Simplify -1/2 into -1/2
1.701 * [taylor]: Taking taylor expansion of (fma (/ 1 x) 1.0 (log 1.0)) in x
1.701 * [taylor]: Rewrote expression to (+ (* (/ 1 x) 1.0) (log 1.0))
1.701 * [taylor]: Taking taylor expansion of (* (/ 1 x) 1.0) in x
1.701 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.701 * [taylor]: Taking taylor expansion of x in x
1.701 * [backup-simplify]: Simplify 0 into 0
1.701 * [backup-simplify]: Simplify 1 into 1
1.701 * [backup-simplify]: Simplify (/ 1 1) into 1
1.701 * [taylor]: Taking taylor expansion of 1.0 in x
1.701 * [backup-simplify]: Simplify 1.0 into 1.0
1.701 * [taylor]: Taking taylor expansion of (log 1.0) in x
1.701 * [taylor]: Taking taylor expansion of 1.0 in x
1.701 * [backup-simplify]: Simplify 1.0 into 1.0
1.701 * [backup-simplify]: Simplify (log 1.0) into (log 1.0)
1.702 * [backup-simplify]: Simplify (* 1.0 -1/2) into -0.5
1.702 * [backup-simplify]: Simplify (+ -0.5 0) into (- 0.5)
1.702 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
1.703 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
1.703 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 1.0 (/ 0 1)))) into 0
1.704 * [backup-simplify]: Simplify (+ (* 1.0 0) (* 0 -1/2)) into 0
1.704 * [backup-simplify]: Simplify (* 1 1.0) into 1.0
1.704 * [backup-simplify]: Simplify (+ 1.0 0) into 1.0
1.704 * [backup-simplify]: Simplify (+ 0 1.0) into 1.0
1.705 * [backup-simplify]: Simplify 1.0 into 1.0
1.705 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
1.706 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 1.0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.706 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (* 0 -1/2))) into 0
1.707 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
1.707 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1.0)) into 0
1.708 * [backup-simplify]: Simplify (+ 0 (log 1.0)) into (log 1.0)
1.708 * [backup-simplify]: Simplify (+ 0 (log 1.0)) into (log 1.0)
1.709 * [backup-simplify]: Simplify (log 1.0) into (log 1.0)
1.709 * [backup-simplify]: Simplify (+ (log 1.0) (+ (* 1.0 (/ 1 (/ 1 x))) (* (- 0.5) (pow (/ 1 (/ 1 x)) 2)))) into (- (+ (log 1.0) (* 1.0 x)) (* 0.5 (pow x 2)))
1.710 * [backup-simplify]: Simplify (fma (* (/ (/ 1 (- x)) 1.0) (/ (/ 1 (- x)) 1.0)) -1/2 (fma (/ 1 (- x)) 1.0 (log 1.0))) into (fma (/ 1.0 (pow x 2)) -1/2 (fma (/ -1 x) 1.0 (log 1.0)))
1.710 * [approximate]: Taking taylor expansion of (fma (/ 1.0 (pow x 2)) -1/2 (fma (/ -1 x) 1.0 (log 1.0))) in (x) around 0
1.710 * [taylor]: Taking taylor expansion of (fma (/ 1.0 (pow x 2)) -1/2 (fma (/ -1 x) 1.0 (log 1.0))) in x
1.710 * [taylor]: Rewrote expression to (+ (* (/ 1.0 (pow x 2)) -1/2) (fma (/ -1 x) 1.0 (log 1.0)))
1.710 * [taylor]: Taking taylor expansion of (* (/ 1.0 (pow x 2)) -1/2) in x
1.710 * [taylor]: Taking taylor expansion of (/ 1.0 (pow x 2)) in x
1.710 * [taylor]: Taking taylor expansion of 1.0 in x
1.710 * [backup-simplify]: Simplify 1.0 into 1.0
1.710 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.710 * [taylor]: Taking taylor expansion of x in x
1.710 * [backup-simplify]: Simplify 0 into 0
1.710 * [backup-simplify]: Simplify 1 into 1
1.710 * [backup-simplify]: Simplify (* 1 1) into 1
1.711 * [backup-simplify]: Simplify (/ 1.0 1) into 1.0
1.711 * [taylor]: Taking taylor expansion of -1/2 in x
1.711 * [backup-simplify]: Simplify -1/2 into -1/2
1.711 * [taylor]: Taking taylor expansion of (fma (/ -1 x) 1.0 (log 1.0)) in x
1.711 * [taylor]: Rewrote expression to (+ (* (/ -1 x) 1.0) (log 1.0))
1.711 * [taylor]: Taking taylor expansion of (* (/ -1 x) 1.0) in x
1.711 * [taylor]: Taking taylor expansion of (/ -1 x) in x
1.711 * [taylor]: Taking taylor expansion of -1 in x
1.711 * [backup-simplify]: Simplify -1 into -1
1.711 * [taylor]: Taking taylor expansion of x in x
1.711 * [backup-simplify]: Simplify 0 into 0
1.711 * [backup-simplify]: Simplify 1 into 1
1.711 * [backup-simplify]: Simplify (/ -1 1) into -1
1.711 * [taylor]: Taking taylor expansion of 1.0 in x
1.711 * [backup-simplify]: Simplify 1.0 into 1.0
1.711 * [taylor]: Taking taylor expansion of (log 1.0) in x
1.711 * [taylor]: Taking taylor expansion of 1.0 in x
1.711 * [backup-simplify]: Simplify 1.0 into 1.0
1.711 * [backup-simplify]: Simplify (log 1.0) into (log 1.0)
1.712 * [taylor]: Taking taylor expansion of (fma (/ 1.0 (pow x 2)) -1/2 (fma (/ -1 x) 1.0 (log 1.0))) in x
1.712 * [taylor]: Rewrote expression to (+ (* (/ 1.0 (pow x 2)) -1/2) (fma (/ -1 x) 1.0 (log 1.0)))
1.712 * [taylor]: Taking taylor expansion of (* (/ 1.0 (pow x 2)) -1/2) in x
1.712 * [taylor]: Taking taylor expansion of (/ 1.0 (pow x 2)) in x
1.712 * [taylor]: Taking taylor expansion of 1.0 in x
1.712 * [backup-simplify]: Simplify 1.0 into 1.0
1.712 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.712 * [taylor]: Taking taylor expansion of x in x
1.712 * [backup-simplify]: Simplify 0 into 0
1.712 * [backup-simplify]: Simplify 1 into 1
1.712 * [backup-simplify]: Simplify (* 1 1) into 1
1.712 * [backup-simplify]: Simplify (/ 1.0 1) into 1.0
1.712 * [taylor]: Taking taylor expansion of -1/2 in x
1.712 * [backup-simplify]: Simplify -1/2 into -1/2
1.712 * [taylor]: Taking taylor expansion of (fma (/ -1 x) 1.0 (log 1.0)) in x
1.712 * [taylor]: Rewrote expression to (+ (* (/ -1 x) 1.0) (log 1.0))
1.712 * [taylor]: Taking taylor expansion of (* (/ -1 x) 1.0) in x
1.712 * [taylor]: Taking taylor expansion of (/ -1 x) in x
1.713 * [taylor]: Taking taylor expansion of -1 in x
1.713 * [backup-simplify]: Simplify -1 into -1
1.713 * [taylor]: Taking taylor expansion of x in x
1.713 * [backup-simplify]: Simplify 0 into 0
1.713 * [backup-simplify]: Simplify 1 into 1
1.713 * [backup-simplify]: Simplify (/ -1 1) into -1
1.713 * [taylor]: Taking taylor expansion of 1.0 in x
1.713 * [backup-simplify]: Simplify 1.0 into 1.0
1.713 * [taylor]: Taking taylor expansion of (log 1.0) in x
1.713 * [taylor]: Taking taylor expansion of 1.0 in x
1.713 * [backup-simplify]: Simplify 1.0 into 1.0
1.713 * [backup-simplify]: Simplify (log 1.0) into (log 1.0)
1.714 * [backup-simplify]: Simplify (* 1.0 -1/2) into -0.5
1.714 * [backup-simplify]: Simplify (+ -0.5 0) into (- 0.5)
1.714 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
1.714 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
1.715 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 1.0 (/ 0 1)))) into 0
1.715 * [backup-simplify]: Simplify (+ (* 1.0 0) (* 0 -1/2)) into 0
1.716 * [backup-simplify]: Simplify (* -1 1.0) into -1.0
1.716 * [backup-simplify]: Simplify (+ -1.0 0) into (- 1.0)
1.717 * [backup-simplify]: Simplify (+ 0 (- 1.0)) into (- 1.0)
1.717 * [backup-simplify]: Simplify (- 1.0) into (- 1.0)
1.717 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
1.718 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 1.0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.719 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (* 0 -1/2))) into 0
1.719 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -1 (/ 0 1)))) into 0
1.720 * [backup-simplify]: Simplify (+ (* -1 0) (* 0 1.0)) into 0
1.720 * [backup-simplify]: Simplify (+ 0 (log 1.0)) into (log 1.0)
1.721 * [backup-simplify]: Simplify (+ 0 (log 1.0)) into (log 1.0)
1.721 * [backup-simplify]: Simplify (log 1.0) into (log 1.0)
1.722 * [backup-simplify]: Simplify (+ (log 1.0) (+ (* (- 1.0) (/ 1 (/ 1 (- x)))) (* (- 0.5) (pow (/ 1 (/ 1 (- x))) 2)))) into (- (+ (log 1.0) (* 1.0 x)) (* 0.5 (pow x 2)))
1.722 * * * [progress]: simplifying candidates
1.722 * [simplify]: Simplifying:
  (expm1 (fma (* (/ x 1.0) (/ x 1.0)) -1/2 (fma x 1.0 (log 1.0))))
  (log1p (fma (* (/ x 1.0) (/ x 1.0)) -1/2 (fma x 1.0 (log 1.0))))
  (* (* (/ x 1.0) (/ x 1.0)) -1/2)
  (log (fma (* (/ x 1.0) (/ x 1.0)) -1/2 (fma x 1.0 (log 1.0))))
  (exp (fma (* (/ x 1.0) (/ x 1.0)) -1/2 (fma x 1.0 (log 1.0))))
  (* (cbrt (fma (* (/ x 1.0) (/ x 1.0)) -1/2 (fma x 1.0 (log 1.0)))) (cbrt (fma (* (/ x 1.0) (/ x 1.0)) -1/2 (fma x 1.0 (log 1.0)))))
  (cbrt (fma (* (/ x 1.0) (/ x 1.0)) -1/2 (fma x 1.0 (log 1.0))))
  (* (* (fma (* (/ x 1.0) (/ x 1.0)) -1/2 (fma x 1.0 (log 1.0))) (fma (* (/ x 1.0) (/ x 1.0)) -1/2 (fma x 1.0 (log 1.0)))) (fma (* (/ x 1.0) (/ x 1.0)) -1/2 (fma x 1.0 (log 1.0))))
  (sqrt (fma (* (/ x 1.0) (/ x 1.0)) -1/2 (fma x 1.0 (log 1.0))))
  (sqrt (fma (* (/ x 1.0) (/ x 1.0)) -1/2 (fma x 1.0 (log 1.0))))
  (- (+ (log 1.0) (* 1.0 x)) (* 0.5 (pow x 2)))
  (- (+ (log 1.0) (* 1.0 x)) (* 0.5 (pow x 2)))
  (- (+ (log 1.0) (* 1.0 x)) (* 0.5 (pow x 2)))
1.723 * * [simplify]: iteration 0: 25 enodes
1.729 * * [simplify]: iteration 1: 47 enodes
1.749 * * [simplify]: iteration 2: 144 enodes
1.799 * * [simplify]: iteration 3: 596 enodes
2.130 * * [simplify]: iteration complete: 5000 enodes
2.130 * * [simplify]: Extracting #0: cost 10 inf + 0
2.131 * * [simplify]: Extracting #1: cost 236 inf + 0
2.138 * * [simplify]: Extracting #2: cost 1395 inf + 217
2.150 * * [simplify]: Extracting #3: cost 1267 inf + 11580
2.165 * * [simplify]: Extracting #4: cost 132 inf + 37888
2.180 * * [simplify]: Extracting #5: cost 0 inf + 40841
2.193 * [simplify]: Simplified to:
  (expm1 (fma (/ x (/ 1.0 -1/2)) (/ x 1.0) (fma x 1.0 (log 1.0))))
  (log1p (fma (/ x (/ 1.0 -1/2)) (/ x 1.0) (fma x 1.0 (log 1.0))))
  (* (* (/ x 1.0) (/ x 1.0)) -1/2)
  (log (fma (/ x (/ 1.0 -1/2)) (/ x 1.0) (fma x 1.0 (log 1.0))))
  (exp (fma (/ x (/ 1.0 -1/2)) (/ x 1.0) (fma x 1.0 (log 1.0))))
  (* (cbrt (fma (/ x (/ 1.0 -1/2)) (/ x 1.0) (fma x 1.0 (log 1.0)))) (cbrt (fma (/ x (/ 1.0 -1/2)) (/ x 1.0) (fma x 1.0 (log 1.0)))))
  (cbrt (fma (/ x (/ 1.0 -1/2)) (/ x 1.0) (fma x 1.0 (log 1.0))))
  (pow (fma (/ x (/ 1.0 -1/2)) (/ x 1.0) (fma x 1.0 (log 1.0))) 3)
  (sqrt (fma (/ x (/ 1.0 -1/2)) (/ x 1.0) (fma x 1.0 (log 1.0))))
  (sqrt (fma (/ x (/ 1.0 -1/2)) (/ x 1.0) (fma x 1.0 (log 1.0))))
  (fma x (- 1.0 (* x 0.5)) (log 1.0))
  (fma x (- 1.0 (* x 0.5)) (log 1.0))
  (fma x (- 1.0 (* x 0.5)) (log 1.0))
2.194 * * * [progress]: adding candidates to table
2.285 * [progress]: [Phase 3 of 3] Extracting.
2.285 * * [regime]: Finding splitpoints for: (#<alt (λ (x) (log (+ x 1.0)))> #<alt (λ (x) (fma (* (/ x 1.0) (/ x 1.0)) -1/2 (fma x 1.0 (log 1.0))))>)
2.285 * * * [regime-changes]: Trying 1 branch expressions: (x)
2.285 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x) (log (+ x 1.0)))> #<alt (λ (x) (fma (* (/ x 1.0) (/ x 1.0)) -1/2 (fma x 1.0 (log 1.0))))>)
2.337 * * * [regime]: Found split indices: #<option (#s(si 1 172) #s(si 0 255))>
2.338 * [binary-search]: Improving bounds with binary search for x and (#<alt (λ (x) (log (+ x 1.0)))> #<alt (λ (x) (fma (* (/ x 1.0) (/ x 1.0)) -1/2 (fma x 1.0 (log 1.0))))>)
2.362 * [regimes]: Found splitpoints: (#s(sp 1 x 4.228318145661536e-06) #s(sp 0 x +nan.0)) , with alts (#<alt (λ (x) (log (+ x 1.0)))> #<alt (λ (x) (fma (* (/ x 1.0) (/ x 1.0)) -1/2 (fma x 1.0 (log 1.0))))>)
2.363 * [simplify]: Simplifying:
  (if (<= x 4.228318145661536e-06) (fma (* (/ x 1.0) (/ x 1.0)) -1/2 (fma x 1.0 (log 1.0))) (log (+ x 1.0)))
2.363 * * [simplify]: iteration 0: 13 enodes
2.364 * * [simplify]: iteration 1: 14 enodes
2.364 * * [simplify]: iteration complete: 14 enodes
2.364 * * [simplify]: Extracting #0: cost 1 inf + 0
2.364 * * [simplify]: Extracting #1: cost 4 inf + 0
2.364 * * [simplify]: Extracting #2: cost 10 inf + 0
2.365 * * [simplify]: Extracting #3: cost 10 inf + 3
2.365 * * [simplify]: Extracting #4: cost 7 inf + 9
2.365 * * [simplify]: Extracting #5: cost 1 inf + 45
2.365 * * [simplify]: Extracting #6: cost 0 inf + 67
2.365 * [simplify]: Simplified to:
  (if (<= x 4.228318145661536e-06) (fma (* (/ x 1.0) (/ x 1.0)) -1/2 (fma x 1.0 (log 1.0))) (log (+ 1.0 x)))
5.567 * [regime-testing]: Baseline error score: 21.52167065631287
5.571 * [regime-testing]: Oracle error score: 0.1137322765464475
5.580 * [regime-testing]: End program error score: 0.2560758507147422
5.669 * [regime-testing]: Target error score: 0.21635016408310054