17.351 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.066 * * * [progress]: [2/2] Setting up program.
0.069 * [progress]: [Phase 2 of 3] Improving.
0.069 * [simplify]: Simplifying:
  (log (+ 1.0 x))
0.069 * * [simplify]: iteration 0: 4 enodes
0.070 * * [simplify]: iteration 1: 5 enodes
0.071 * * [simplify]: iteration complete: 5 enodes
0.071 * * [simplify]: Extracting #0: cost 1 inf + 0
0.071 * * [simplify]: Extracting #1: cost 2 inf + 0
0.071 * * [simplify]: Extracting #2: cost 4 inf + 0
0.071 * * [simplify]: Extracting #3: cost 2 inf + 2
0.071 * * [simplify]: Extracting #4: cost 0 inf + 156
0.071 * [simplify]: Simplified to:
  (log (+ x 1.0))
0.071 * * [progress]: iteration 1 / 4
0.071 * * * [progress]: picking best candidate
0.074 * * * * [pick]: Picked  #<alt (λ (x) (log (+ 1.0 x)))>
0.075 * * * [progress]: localizing error
0.080 * * * [progress]: generating rewritten candidates
0.080 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.084 * * * [progress]: generating series expansions
0.084 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.085 * [backup-simplify]: Simplify (log (+ 1.0 x)) into (log (+ x 1.0))
0.085 * [approximate]: Taking taylor expansion of (log (+ x 1.0)) in (x) around 0
0.085 * [taylor]: Taking taylor expansion of (log (+ x 1.0)) in x
0.085 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
0.085 * [taylor]: Taking taylor expansion of x in x
0.085 * [backup-simplify]: Simplify 0 into 0
0.085 * [backup-simplify]: Simplify 1 into 1
0.085 * [taylor]: Taking taylor expansion of 1.0 in x
0.085 * [backup-simplify]: Simplify 1.0 into 1.0
0.085 * [backup-simplify]: Simplify (+ 0 1.0) into 1.0
0.085 * [backup-simplify]: Simplify (log 1.0) into (log 1.0)
0.085 * [taylor]: Taking taylor expansion of (log (+ x 1.0)) in x
0.085 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
0.085 * [taylor]: Taking taylor expansion of x in x
0.086 * [backup-simplify]: Simplify 0 into 0
0.086 * [backup-simplify]: Simplify 1 into 1
0.086 * [taylor]: Taking taylor expansion of 1.0 in x
0.086 * [backup-simplify]: Simplify 1.0 into 1.0
0.086 * [backup-simplify]: Simplify (+ 0 1.0) into 1.0
0.086 * [backup-simplify]: Simplify (log 1.0) into (log 1.0)
0.086 * [backup-simplify]: Simplify (log 1.0) into (log 1.0)
0.087 * [backup-simplify]: Simplify (+ 1 0) into 1
0.090 * [backup-simplify]: Simplify (/ (+ (* 1 (/ (* (pow (* 1 1) 1)) (pow 1.0 1)))) 1) into 1.0
0.090 * [backup-simplify]: Simplify 1.0 into 1.0
0.090 * [backup-simplify]: Simplify (+ 0 0) into 0
0.096 * [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))
0.097 * [backup-simplify]: Simplify (/ -1/2 (pow 1.0 2)) into (/ -1/2 (pow 1.0 2))
0.098 * [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))))
0.098 * [backup-simplify]: Simplify (log (+ 1.0 (/ 1 x))) into (log (+ (/ 1 x) 1.0))
0.098 * [approximate]: Taking taylor expansion of (log (+ (/ 1 x) 1.0)) in (x) around 0
0.098 * [taylor]: Taking taylor expansion of (log (+ (/ 1 x) 1.0)) in x
0.098 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
0.098 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.098 * [taylor]: Taking taylor expansion of x in x
0.098 * [backup-simplify]: Simplify 0 into 0
0.098 * [backup-simplify]: Simplify 1 into 1
0.098 * [backup-simplify]: Simplify (/ 1 1) into 1
0.098 * [taylor]: Taking taylor expansion of 1.0 in x
0.098 * [backup-simplify]: Simplify 1.0 into 1.0
0.099 * [backup-simplify]: Simplify (+ 1 0) into 1
0.099 * [backup-simplify]: Simplify (log 1) into 0
0.099 * [taylor]: Taking taylor expansion of (log (+ (/ 1 x) 1.0)) in x
0.099 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
0.099 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.099 * [taylor]: Taking taylor expansion of x in x
0.099 * [backup-simplify]: Simplify 0 into 0
0.099 * [backup-simplify]: Simplify 1 into 1
0.099 * [backup-simplify]: Simplify (/ 1 1) into 1
0.099 * [taylor]: Taking taylor expansion of 1.0 in x
0.099 * [backup-simplify]: Simplify 1.0 into 1.0
0.100 * [backup-simplify]: Simplify (+ 1 0) into 1
0.100 * [backup-simplify]: Simplify (log 1) into 0
0.100 * [backup-simplify]: Simplify (+ (* (- 1) (log x)) 0) into (- (log x))
0.100 * [backup-simplify]: Simplify (- (log x)) into (- (log x))
0.101 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.101 * [backup-simplify]: Simplify (+ 0 1.0) into 1.0
0.105 * [backup-simplify]: Simplify (/ (+ (* 1 (/ (* (pow (* 1 1.0) 1)) (pow 1 1)))) 1) into 1.0
0.105 * [backup-simplify]: Simplify 1.0 into 1.0
0.105 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.105 * [backup-simplify]: Simplify (+ 0 0) into 0
0.112 * [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
0.112 * [backup-simplify]: Simplify -0.5 into -0.5
0.112 * [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)))))
0.112 * [backup-simplify]: Simplify (log (+ 1.0 (/ 1 (- x)))) into (log (- 1.0 (/ 1 x)))
0.112 * [approximate]: Taking taylor expansion of (log (- 1.0 (/ 1 x))) in (x) around 0
0.112 * [taylor]: Taking taylor expansion of (log (- 1.0 (/ 1 x))) in x
0.112 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
0.112 * [taylor]: Taking taylor expansion of 1.0 in x
0.112 * [backup-simplify]: Simplify 1.0 into 1.0
0.112 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.112 * [taylor]: Taking taylor expansion of x in x
0.112 * [backup-simplify]: Simplify 0 into 0
0.112 * [backup-simplify]: Simplify 1 into 1
0.112 * [backup-simplify]: Simplify (/ 1 1) into 1
0.113 * [backup-simplify]: Simplify (- 1) into -1
0.113 * [backup-simplify]: Simplify (+ 0 -1) into -1
0.113 * [backup-simplify]: Simplify (log -1) into (log -1)
0.113 * [taylor]: Taking taylor expansion of (log (- 1.0 (/ 1 x))) in x
0.113 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
0.113 * [taylor]: Taking taylor expansion of 1.0 in x
0.113 * [backup-simplify]: Simplify 1.0 into 1.0
0.113 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.113 * [taylor]: Taking taylor expansion of x in x
0.113 * [backup-simplify]: Simplify 0 into 0
0.113 * [backup-simplify]: Simplify 1 into 1
0.122 * [backup-simplify]: Simplify (/ 1 1) into 1
0.122 * [backup-simplify]: Simplify (- 1) into -1
0.122 * [backup-simplify]: Simplify (+ 0 -1) into -1
0.123 * [backup-simplify]: Simplify (log -1) into (log -1)
0.123 * [backup-simplify]: Simplify (+ (* (- 1) (log x)) (log -1)) into (- (log -1) (log x))
0.124 * [backup-simplify]: Simplify (- (log -1) (log x)) into (- (log -1) (log x))
0.124 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.124 * [backup-simplify]: Simplify (- 0) into 0
0.125 * [backup-simplify]: Simplify (+ 1.0 0) into 1.0
0.129 * [backup-simplify]: Simplify (/ (+ (* 1 (/ (* (pow (* 1 1.0) 1)) (pow -1 1)))) 1) into -1.0
0.129 * [backup-simplify]: Simplify -1.0 into -1.0
0.130 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.130 * [backup-simplify]: Simplify (- 0) into 0
0.130 * [backup-simplify]: Simplify (+ 0 0) into 0
0.138 * [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
0.138 * [backup-simplify]: Simplify -0.5 into -0.5
0.139 * [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)))))
0.139 * * * [progress]: simplifying candidates
0.140 * [simplify]: Simplifying:
  (log (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x))))
  (log (cbrt (+ 1.0 x)))
  (log (sqrt (+ 1.0 x)))
  (log (sqrt (+ 1.0 x)))
  (log 1)
  (log (+ 1.0 x))
  (log 1)
  (log (+ 1.0 x))
  (log (+ (pow 1.0 3) (pow x 3)))
  (log (+ (* 1.0 1.0) (- (* x x) (* 1.0 x))))
  (log (- (* 1.0 1.0) (* x x)))
  (log (- 1.0 x))
  (log (+ 1.0 x))
  (log (log (+ 1.0 x)))
  (exp (log (+ 1.0 x)))
  (* (cbrt (log (+ 1.0 x))) (cbrt (log (+ 1.0 x))))
  (cbrt (log (+ 1.0 x)))
  (* (* (log (+ 1.0 x)) (log (+ 1.0 x))) (log (+ 1.0 x)))
  (sqrt (log (+ 1.0 x)))
  (sqrt (log (+ 1.0 x)))
  (- (+ (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)))))
0.140 * * [simplify]: iteration 0: 58 enodes
0.158 * * [simplify]: iteration 1: 123 enodes
0.192 * * [simplify]: iteration 2: 288 enodes
0.293 * * [simplify]: iteration 3: 735 enodes
0.729 * * [simplify]: iteration 4: 2348 enodes
1.412 * * [simplify]: iteration complete: 5002 enodes
1.412 * * [simplify]: Extracting #0: cost 17 inf + 0
1.412 * * [simplify]: Extracting #1: cost 94 inf + 1
1.416 * * [simplify]: Extracting #2: cost 921 inf + 231
1.431 * * [simplify]: Extracting #3: cost 1549 inf + 26775
1.467 * * [simplify]: Extracting #4: cost 421 inf + 116244
1.514 * * [simplify]: Extracting #5: cost 71 inf + 165144
1.556 * * [simplify]: Extracting #6: cost 68 inf + 173364
1.616 * * [simplify]: Extracting #7: cost 77 inf + 176451
1.658 * * [simplify]: Extracting #8: cost 16 inf + 185884
1.707 * * [simplify]: Extracting #9: cost 0 inf + 189932
1.762 * [simplify]: Simplified to:
  (log (* (cbrt (+ 1.0 x)) (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 (+ (* 1.0 (* 1.0 1.0)) (* x (* x x))))
  (log (+ (* 1.0 1.0) (* x (- x 1.0))))
  (log (* (+ 1.0 x) (- 1.0 x)))
  (log (- 1.0 x))
  (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)))
  (* (log (+ 1.0 x)) (* (log (+ 1.0 x)) (log (+ 1.0 x))))
  (sqrt (log (+ 1.0 x)))
  (sqrt (log (+ 1.0 x)))
  (- (* 1.0 x) (- (* 1/2 (* (/ x 1.0) (/ x 1.0))) (log 1.0)))
  (+ (log x) (/ (- 1.0 (/ 0.5 x)) x))
  (+ (log x) (/ (- 1.0 (/ 0.5 x)) x))
1.763 * * * [progress]: adding candidates to table
1.837 * * [progress]: iteration 2 / 4
1.837 * * * [progress]: picking best candidate
1.844 * * * * [pick]: Picked  #<alt (λ (x) (- (* 1.0 x) (- (* 1/2 (* (/ x 1.0) (/ x 1.0))) (log 1.0))))>
1.844 * * * [progress]: localizing error
1.871 * * * [progress]: generating rewritten candidates
1.871 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
1.942 * * * [progress]: generating series expansions
1.942 * * * * [progress]: [ 1 / 1 ] generating series at (2)
1.943 * [backup-simplify]: Simplify (- (* 1.0 x) (- (* 1/2 (* (/ x 1.0) (/ x 1.0))) (log 1.0))) into (- (+ (log 1.0) (* 1.0 x)) (* 0.5 (pow x 2)))
1.943 * [approximate]: Taking taylor expansion of (- (+ (log 1.0) (* 1.0 x)) (* 0.5 (pow x 2))) in (x) around 0
1.943 * [taylor]: Taking taylor expansion of (- (+ (log 1.0) (* 1.0 x)) (* 0.5 (pow x 2))) in x
1.943 * [taylor]: Taking taylor expansion of (+ (log 1.0) (* 1.0 x)) in x
1.943 * [taylor]: Taking taylor expansion of (log 1.0) in x
1.943 * [taylor]: Taking taylor expansion of 1.0 in x
1.943 * [backup-simplify]: Simplify 1.0 into 1.0
1.944 * [backup-simplify]: Simplify (log 1.0) into (log 1.0)
1.944 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
1.944 * [taylor]: Taking taylor expansion of 1.0 in x
1.944 * [backup-simplify]: Simplify 1.0 into 1.0
1.944 * [taylor]: Taking taylor expansion of x in x
1.944 * [backup-simplify]: Simplify 0 into 0
1.944 * [backup-simplify]: Simplify 1 into 1
1.944 * [taylor]: Taking taylor expansion of (* 0.5 (pow x 2)) in x
1.944 * [taylor]: Taking taylor expansion of 0.5 in x
1.944 * [backup-simplify]: Simplify 0.5 into 0.5
1.944 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.944 * [taylor]: Taking taylor expansion of x in x
1.944 * [backup-simplify]: Simplify 0 into 0
1.944 * [backup-simplify]: Simplify 1 into 1
1.944 * [taylor]: Taking taylor expansion of (- (+ (log 1.0) (* 1.0 x)) (* 0.5 (pow x 2))) in x
1.944 * [taylor]: Taking taylor expansion of (+ (log 1.0) (* 1.0 x)) in x
1.944 * [taylor]: Taking taylor expansion of (log 1.0) in x
1.944 * [taylor]: Taking taylor expansion of 1.0 in x
1.944 * [backup-simplify]: Simplify 1.0 into 1.0
1.945 * [backup-simplify]: Simplify (log 1.0) into (log 1.0)
1.945 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
1.945 * [taylor]: Taking taylor expansion of 1.0 in x
1.945 * [backup-simplify]: Simplify 1.0 into 1.0
1.945 * [taylor]: Taking taylor expansion of x in x
1.945 * [backup-simplify]: Simplify 0 into 0
1.945 * [backup-simplify]: Simplify 1 into 1
1.945 * [taylor]: Taking taylor expansion of (* 0.5 (pow x 2)) in x
1.945 * [taylor]: Taking taylor expansion of 0.5 in x
1.945 * [backup-simplify]: Simplify 0.5 into 0.5
1.945 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.945 * [taylor]: Taking taylor expansion of x in x
1.945 * [backup-simplify]: Simplify 0 into 0
1.945 * [backup-simplify]: Simplify 1 into 1
1.946 * [backup-simplify]: Simplify (* 1.0 0) into 0
1.947 * [backup-simplify]: Simplify (+ (log 1.0) 0) into (log 1.0)
1.948 * [backup-simplify]: Simplify (+ (log 1.0) 0) into (log 1.0)
1.948 * [backup-simplify]: Simplify (log 1.0) into (log 1.0)
1.949 * [backup-simplify]: Simplify (/ (+ (* 1 (/ (* (pow (* 1 0) 1)) (pow 1.0 1)))) 1) into 0
1.951 * [backup-simplify]: Simplify (+ (* 1.0 1) (* 0 0)) into 1.0
1.951 * [backup-simplify]: Simplify (+ 0 1.0) into 1.0
1.952 * [backup-simplify]: Simplify (+ 1.0 0) into 1.0
1.952 * [backup-simplify]: Simplify 1.0 into 1.0
1.955 * [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
1.956 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 1) (* 0 0))) into 0
1.956 * [backup-simplify]: Simplify (+ 0 0) into 0
1.957 * [backup-simplify]: Simplify (* 1 1) into 1
1.957 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
1.957 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
1.958 * [backup-simplify]: Simplify (+ 0 (- 0.5)) into (- 0.5)
1.959 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
1.960 * [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)))
1.960 * [backup-simplify]: Simplify (- (* 1.0 (/ 1 x)) (- (* 1/2 (* (/ (/ 1 x) 1.0) (/ (/ 1 x) 1.0))) (log 1.0))) into (- (+ (log 1.0) (* 1.0 (/ 1 x))) (* 0.5 (/ 1 (pow x 2))))
1.961 * [approximate]: Taking taylor expansion of (- (+ (log 1.0) (* 1.0 (/ 1 x))) (* 0.5 (/ 1 (pow x 2)))) in (x) around 0
1.961 * [taylor]: Taking taylor expansion of (- (+ (log 1.0) (* 1.0 (/ 1 x))) (* 0.5 (/ 1 (pow x 2)))) in x
1.961 * [taylor]: Taking taylor expansion of (+ (log 1.0) (* 1.0 (/ 1 x))) in x
1.961 * [taylor]: Taking taylor expansion of (log 1.0) in x
1.961 * [taylor]: Taking taylor expansion of 1.0 in x
1.961 * [backup-simplify]: Simplify 1.0 into 1.0
1.961 * [backup-simplify]: Simplify (log 1.0) into (log 1.0)
1.961 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
1.961 * [taylor]: Taking taylor expansion of 1.0 in x
1.961 * [backup-simplify]: Simplify 1.0 into 1.0
1.961 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.961 * [taylor]: Taking taylor expansion of x in x
1.961 * [backup-simplify]: Simplify 0 into 0
1.961 * [backup-simplify]: Simplify 1 into 1
1.962 * [backup-simplify]: Simplify (/ 1 1) into 1
1.962 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow x 2))) in x
1.962 * [taylor]: Taking taylor expansion of 0.5 in x
1.962 * [backup-simplify]: Simplify 0.5 into 0.5
1.962 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.962 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.962 * [taylor]: Taking taylor expansion of x in x
1.962 * [backup-simplify]: Simplify 0 into 0
1.962 * [backup-simplify]: Simplify 1 into 1
1.962 * [backup-simplify]: Simplify (* 1 1) into 1
1.963 * [backup-simplify]: Simplify (/ 1 1) into 1
1.963 * [taylor]: Taking taylor expansion of (- (+ (log 1.0) (* 1.0 (/ 1 x))) (* 0.5 (/ 1 (pow x 2)))) in x
1.963 * [taylor]: Taking taylor expansion of (+ (log 1.0) (* 1.0 (/ 1 x))) in x
1.963 * [taylor]: Taking taylor expansion of (log 1.0) in x
1.963 * [taylor]: Taking taylor expansion of 1.0 in x
1.963 * [backup-simplify]: Simplify 1.0 into 1.0
1.963 * [backup-simplify]: Simplify (log 1.0) into (log 1.0)
1.963 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
1.963 * [taylor]: Taking taylor expansion of 1.0 in x
1.963 * [backup-simplify]: Simplify 1.0 into 1.0
1.963 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.963 * [taylor]: Taking taylor expansion of x in x
1.963 * [backup-simplify]: Simplify 0 into 0
1.963 * [backup-simplify]: Simplify 1 into 1
1.964 * [backup-simplify]: Simplify (/ 1 1) into 1
1.964 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow x 2))) in x
1.964 * [taylor]: Taking taylor expansion of 0.5 in x
1.964 * [backup-simplify]: Simplify 0.5 into 0.5
1.964 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.964 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.964 * [taylor]: Taking taylor expansion of x in x
1.964 * [backup-simplify]: Simplify 0 into 0
1.964 * [backup-simplify]: Simplify 1 into 1
1.964 * [backup-simplify]: Simplify (* 1 1) into 1
1.965 * [backup-simplify]: Simplify (/ 1 1) into 1
1.965 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
1.965 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
1.966 * [backup-simplify]: Simplify (+ 0 (- 0.5)) into (- 0.5)
1.967 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
1.967 * [backup-simplify]: Simplify (* 1.0 1) into 1.0
1.968 * [backup-simplify]: Simplify (+ 0 1.0) into 1.0
1.968 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
1.969 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
1.970 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
1.970 * [backup-simplify]: Simplify (- 0) into 0
1.970 * [backup-simplify]: Simplify (+ 1.0 0) into 1.0
1.970 * [backup-simplify]: Simplify 1.0 into 1.0
1.971 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
1.972 * [backup-simplify]: Simplify (+ (* 1.0 0) (* 0 1)) into 0
1.973 * [backup-simplify]: Simplify (+ (log 1.0) 0) into (log 1.0)
1.974 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
1.975 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.976 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
1.976 * [backup-simplify]: Simplify (- 0) into 0
1.977 * [backup-simplify]: Simplify (+ (log 1.0) 0) into (log 1.0)
1.977 * [backup-simplify]: Simplify (log 1.0) into (log 1.0)
1.979 * [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)))
1.980 * [backup-simplify]: Simplify (- (* 1.0 (/ 1 (- x))) (- (* 1/2 (* (/ (/ 1 (- x)) 1.0) (/ (/ 1 (- x)) 1.0))) (log 1.0))) into (- (log 1.0) (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x))))
1.980 * [approximate]: Taking taylor expansion of (- (log 1.0) (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x)))) in (x) around 0
1.980 * [taylor]: Taking taylor expansion of (- (log 1.0) (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x)))) in x
1.980 * [taylor]: Taking taylor expansion of (log 1.0) in x
1.980 * [taylor]: Taking taylor expansion of 1.0 in x
1.980 * [backup-simplify]: Simplify 1.0 into 1.0
1.980 * [backup-simplify]: Simplify (log 1.0) into (log 1.0)
1.980 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x))) in x
1.980 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow x 2))) in x
1.980 * [taylor]: Taking taylor expansion of 0.5 in x
1.980 * [backup-simplify]: Simplify 0.5 into 0.5
1.981 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.981 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.981 * [taylor]: Taking taylor expansion of x in x
1.981 * [backup-simplify]: Simplify 0 into 0
1.981 * [backup-simplify]: Simplify 1 into 1
1.981 * [backup-simplify]: Simplify (* 1 1) into 1
1.981 * [backup-simplify]: Simplify (/ 1 1) into 1
1.981 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
1.981 * [taylor]: Taking taylor expansion of 1.0 in x
1.981 * [backup-simplify]: Simplify 1.0 into 1.0
1.981 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.981 * [taylor]: Taking taylor expansion of x in x
1.981 * [backup-simplify]: Simplify 0 into 0
1.982 * [backup-simplify]: Simplify 1 into 1
1.982 * [backup-simplify]: Simplify (/ 1 1) into 1
1.982 * [taylor]: Taking taylor expansion of (- (log 1.0) (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x)))) in x
1.982 * [taylor]: Taking taylor expansion of (log 1.0) in x
1.982 * [taylor]: Taking taylor expansion of 1.0 in x
1.982 * [backup-simplify]: Simplify 1.0 into 1.0
1.982 * [backup-simplify]: Simplify (log 1.0) into (log 1.0)
1.982 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x))) in x
1.982 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow x 2))) in x
1.982 * [taylor]: Taking taylor expansion of 0.5 in x
1.983 * [backup-simplify]: Simplify 0.5 into 0.5
1.983 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.983 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.983 * [taylor]: Taking taylor expansion of x in x
1.983 * [backup-simplify]: Simplify 0 into 0
1.983 * [backup-simplify]: Simplify 1 into 1
1.983 * [backup-simplify]: Simplify (* 1 1) into 1
1.983 * [backup-simplify]: Simplify (/ 1 1) into 1
1.983 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
1.983 * [taylor]: Taking taylor expansion of 1.0 in x
1.984 * [backup-simplify]: Simplify 1.0 into 1.0
1.984 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.984 * [taylor]: Taking taylor expansion of x in x
1.984 * [backup-simplify]: Simplify 0 into 0
1.984 * [backup-simplify]: Simplify 1 into 1
1.984 * [backup-simplify]: Simplify (/ 1 1) into 1
1.985 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
1.985 * [backup-simplify]: Simplify (+ 0.5 0) into 0.5
1.985 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
1.986 * [backup-simplify]: Simplify (+ 0 (- 0.5)) into (- 0.5)
1.987 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
1.987 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
1.988 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
1.989 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
1.990 * [backup-simplify]: Simplify (* 1.0 1) into 1.0
1.990 * [backup-simplify]: Simplify (+ 0 1.0) into 1.0
1.991 * [backup-simplify]: Simplify (- 1.0) into (- 1.0)
1.991 * [backup-simplify]: Simplify (+ 0 (- 1.0)) into (- 1.0)
1.992 * [backup-simplify]: Simplify (- 1.0) into (- 1.0)
1.993 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
1.994 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.995 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
1.995 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
1.996 * [backup-simplify]: Simplify (+ (* 1.0 0) (* 0 1)) into 0
1.997 * [backup-simplify]: Simplify (+ 0 0) into 0
1.997 * [backup-simplify]: Simplify (- 0) into 0
1.998 * [backup-simplify]: Simplify (+ (log 1.0) 0) into (log 1.0)
1.999 * [backup-simplify]: Simplify (log 1.0) into (log 1.0)
2.000 * [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)))
2.000 * * * [progress]: simplifying candidates
2.001 * [simplify]: Simplifying:
  (/ (exp (* 1.0 x)) (/ (exp (* 1/2 (* (/ x 1.0) (/ x 1.0)))) 1.0))
  (/ (exp (* 1.0 x)) (exp (- (* 1/2 (* (/ x 1.0) (/ x 1.0))) (log 1.0))))
  (log (- (* 1.0 x) (- (* 1/2 (* (/ x 1.0) (/ x 1.0))) (log 1.0))))
  (exp (- (* 1.0 x) (- (* 1/2 (* (/ x 1.0) (/ x 1.0))) (log 1.0))))
  (* (cbrt (- (* 1.0 x) (- (* 1/2 (* (/ x 1.0) (/ x 1.0))) (log 1.0)))) (cbrt (- (* 1.0 x) (- (* 1/2 (* (/ x 1.0) (/ x 1.0))) (log 1.0)))))
  (cbrt (- (* 1.0 x) (- (* 1/2 (* (/ x 1.0) (/ x 1.0))) (log 1.0))))
  (* (* (- (* 1.0 x) (- (* 1/2 (* (/ x 1.0) (/ x 1.0))) (log 1.0))) (- (* 1.0 x) (- (* 1/2 (* (/ x 1.0) (/ x 1.0))) (log 1.0)))) (- (* 1.0 x) (- (* 1/2 (* (/ x 1.0) (/ x 1.0))) (log 1.0))))
  (sqrt (- (* 1.0 x) (- (* 1/2 (* (/ x 1.0) (/ x 1.0))) (log 1.0))))
  (sqrt (- (* 1.0 x) (- (* 1/2 (* (/ x 1.0) (/ x 1.0))) (log 1.0))))
  (- (pow (* 1.0 x) 3) (pow (- (* 1/2 (* (/ x 1.0) (/ x 1.0))) (log 1.0)) 3))
  (+ (* (* 1.0 x) (* 1.0 x)) (+ (* (- (* 1/2 (* (/ x 1.0) (/ x 1.0))) (log 1.0)) (- (* 1/2 (* (/ x 1.0) (/ x 1.0))) (log 1.0))) (* (* 1.0 x) (- (* 1/2 (* (/ x 1.0) (/ x 1.0))) (log 1.0)))))
  (- (- (* 1/2 (* (/ x 1.0) (/ x 1.0))) (log 1.0)))
  (- (* (* 1.0 x) (* 1.0 x)) (* (- (* 1/2 (* (/ x 1.0) (/ x 1.0))) (log 1.0)) (- (* 1/2 (* (/ x 1.0) (/ x 1.0))) (log 1.0))))
  (+ (* 1.0 x) (- (* 1/2 (* (/ x 1.0) (/ x 1.0))) (log 1.0)))
  (- (* 1.0 x) (* 1/2 (* (/ x 1.0) (/ x 1.0))))
  (- (* 1.0 x) (* 1/2 (* (/ x 1.0) (/ x 1.0))))
  (- (* 1.0 x) (* 1/2 (* (/ x 1.0) (/ x 1.0))))
  (- (- (* 1/2 (* (/ x 1.0) (/ 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)))
2.002 * * [simplify]: iteration 0: 42 enodes
2.024 * * [simplify]: iteration 1: 111 enodes
2.065 * * [simplify]: iteration 2: 365 enodes
2.283 * * [simplify]: iteration 3: 1545 enodes
3.084 * * [simplify]: iteration complete: 5000 enodes
3.084 * * [simplify]: Extracting #0: cost 13 inf + 0
3.085 * * [simplify]: Extracting #1: cost 284 inf + 0
3.092 * * [simplify]: Extracting #2: cost 1470 inf + 73
3.106 * * [simplify]: Extracting #3: cost 1851 inf + 12832
3.145 * * [simplify]: Extracting #4: cost 1393 inf + 131645
3.256 * * [simplify]: Extracting #5: cost 385 inf + 515169
3.438 * * [simplify]: Extracting #6: cost 19 inf + 678463
3.653 * * [simplify]: Extracting #7: cost 2 inf + 663597
3.834 * * [simplify]: Extracting #8: cost 0 inf + 663444
4.044 * [simplify]: Simplified to:
  (* (exp (- (* 1.0 x) (/ (/ 1/2 (/ 1.0 x)) (/ 1.0 x)))) 1.0)
  (* (exp (- (* 1.0 x) (/ (/ 1/2 (/ 1.0 x)) (/ 1.0 x)))) 1.0)
  (log (+ (* (* (/ x 1.0) (/ x 1.0)) -1/2) (+ (log 1.0) (* 1.0 x))))
  (* (exp (- (* 1.0 x) (/ (/ 1/2 (/ 1.0 x)) (/ 1.0 x)))) 1.0)
  (* (cbrt (+ (* (* (/ x 1.0) (/ x 1.0)) -1/2) (+ (log 1.0) (* 1.0 x)))) (cbrt (+ (* (* (/ x 1.0) (/ x 1.0)) -1/2) (+ (log 1.0) (* 1.0 x)))))
  (cbrt (+ (* (* (/ x 1.0) (/ x 1.0)) -1/2) (+ (log 1.0) (* 1.0 x))))
  (* (+ (* (* (/ x 1.0) (/ x 1.0)) -1/2) (+ (log 1.0) (* 1.0 x))) (* (+ (* (* (/ x 1.0) (/ x 1.0)) -1/2) (+ (log 1.0) (* 1.0 x))) (+ (* (* (/ x 1.0) (/ x 1.0)) -1/2) (+ (log 1.0) (* 1.0 x)))))
  (sqrt (+ (* (* (/ x 1.0) (/ x 1.0)) -1/2) (+ (log 1.0) (* 1.0 x))))
  (sqrt (+ (* (* (/ x 1.0) (/ x 1.0)) -1/2) (+ (log 1.0) (* 1.0 x))))
  (- (* (* 1.0 x) (* (* 1.0 x) (* 1.0 x))) (* (- (/ (/ 1/2 (/ 1.0 x)) (/ 1.0 x)) (log 1.0)) (* (- (/ (/ 1/2 (/ 1.0 x)) (/ 1.0 x)) (log 1.0)) (- (/ (/ 1/2 (/ 1.0 x)) (/ 1.0 x)) (log 1.0)))))
  (+ (* (* 1.0 x) (* 1.0 x)) (* (- (/ (/ 1/2 (/ 1.0 x)) (/ 1.0 x)) (log 1.0)) (+ (* 1.0 x) (- (/ (/ 1/2 (/ 1.0 x)) (/ 1.0 x)) (log 1.0)))))
  (+ (* (* (/ x 1.0) (/ x 1.0)) -1/2) (log 1.0))
  (- (* (* 1.0 x) (* 1.0 x)) (* (- (/ (/ 1/2 (/ 1.0 x)) (/ 1.0 x)) (log 1.0)) (- (/ (/ 1/2 (/ 1.0 x)) (/ 1.0 x)) (log 1.0))))
  (- (/ (/ 1/2 (/ 1.0 x)) (/ 1.0 x)) (- (log 1.0) (* 1.0 x)))
  (- (* 1.0 x) (/ (/ 1/2 (/ 1.0 x)) (/ 1.0 x)))
  (- (* 1.0 x) (/ (/ 1/2 (/ 1.0 x)) (/ 1.0 x)))
  (- (* 1.0 x) (/ (/ 1/2 (/ 1.0 x)) (/ 1.0 x)))
  (+ (* (* (/ x 1.0) (/ x 1.0)) -1/2) (log 1.0))
  (+ (log 1.0) (* x (- 1.0 (* 0.5 x))))
  (+ (log 1.0) (* x (- 1.0 (* 0.5 x))))
  (+ (log 1.0) (* x (- 1.0 (* 0.5 x))))
4.045 * * * [progress]: adding candidates to table
4.115 * [progress]: [Phase 3 of 3] Extracting.
4.115 * * [regime]: Finding splitpoints for: (#<alt (λ (x) (log (+ 1.0 x)))> #<alt (λ (x) (- (* 1.0 x) (- (* 1/2 (* (/ x 1.0) (/ x 1.0))) (log 1.0))))>)
4.115 * * * [regime-changes]: Trying 3 branch expressions: ((+ 1.0 x) (log (+ 1.0 x)) x)
4.115 * * * * [regimes]: Trying to branch on (+ 1.0 x) from (#<alt (λ (x) (log (+ 1.0 x)))> #<alt (λ (x) (- (* 1.0 x) (- (* 1/2 (* (/ x 1.0) (/ x 1.0))) (log 1.0))))>)
4.141 * * * * [regimes]: Trying to branch on (log (+ 1.0 x)) from (#<alt (λ (x) (log (+ 1.0 x)))> #<alt (λ (x) (- (* 1.0 x) (- (* 1/2 (* (/ x 1.0) (/ x 1.0))) (log 1.0))))>)
4.192 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x) (log (+ 1.0 x)))> #<alt (λ (x) (- (* 1.0 x) (- (* 1/2 (* (/ x 1.0) (/ x 1.0))) (log 1.0))))>)
4.221 * * * [regime]: Found split indices: #<option (#s(si 1 172) #s(si 0 255))>
4.223 * [binary-search]: Only using regimes for bounds on (+ 1.0 x) and (#<alt (λ (x) (log (+ 1.0 x)))> #<alt (λ (x) (- (* 1.0 x) (- (* 1/2 (* (/ x 1.0) (/ x 1.0))) (log 1.0))))>)
4.223 * [regimes]: Found splitpoints: (#s(sp 1 (+ 1.0 x) 1.0000000009663326) #s(sp 0 (+ 1.0 x) +nan.0)) , with alts (#<alt (λ (x) (log (+ 1.0 x)))> #<alt (λ (x) (- (* 1.0 x) (- (* 1/2 (* (/ x 1.0) (/ x 1.0))) (log 1.0))))>)
4.224 * [simplify]: Simplifying:
  (if (<= (+ 1.0 x) 1.0000000009663326) (- (* 1.0 x) (- (* 1/2 (* (/ x 1.0) (/ x 1.0))) (log 1.0))) (log (+ 1.0 x)))
4.224 * * [simplify]: iteration 0: 15 enodes
4.226 * * [simplify]: iteration 1: 18 enodes
4.228 * * [simplify]: iteration complete: 18 enodes
4.228 * * [simplify]: Extracting #0: cost 1 inf + 0
4.228 * * [simplify]: Extracting #1: cost 4 inf + 0
4.228 * * [simplify]: Extracting #2: cost 8 inf + 0
4.228 * * [simplify]: Extracting #3: cost 11 inf + 1
4.228 * * [simplify]: Extracting #4: cost 11 inf + 3
4.228 * * [simplify]: Extracting #5: cost 6 inf + 379
4.228 * * [simplify]: Extracting #6: cost 5 inf + 421
4.229 * * [simplify]: Extracting #7: cost 2 inf + 859
4.229 * * [simplify]: Extracting #8: cost 0 inf + 1726
4.230 * [simplify]: Simplified to:
  (if (<= (+ x 1.0) 1.0000000009663326) (- (* 1.0 x) (- (* 1/2 (* (/ x 1.0) (/ x 1.0))) (log 1.0))) (log (+ x 1.0)))
7.614 * [regime-testing]: Baseline error score: 22.028029189230583
7.632 * [regime-testing]: Oracle error score: 0.11285437696294678
7.668 * [regime-testing]: End program error score: 0.2918819415282384
7.805 * [regime-testing]: Target error score: 0.25773033660466577