62.714 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.012 * * * [progress]: [2/2] Setting up program.
0.015 * [progress]: [Phase 2 of 3] Improving.
0.015 * [simplify]: Simplifying:
  (* x (- 1.0 (* x 0.5)))
0.015 * * [simplify]: iteration 0: 6 enodes
0.016 * * [simplify]: iteration 1: 10 enodes
0.018 * * [simplify]: iteration 2: 23 enodes
0.022 * * [simplify]: iteration 3: 45 enodes
0.028 * * [simplify]: iteration 4: 60 enodes
0.036 * * [simplify]: iteration complete: 60 enodes
0.036 * * [simplify]: Extracting #0: cost 1 inf + 0
0.036 * * [simplify]: Extracting #1: cost 14 inf + 0
0.036 * * [simplify]: Extracting #2: cost 10 inf + 44
0.036 * * [simplify]: Extracting #3: cost 2 inf + 609
0.037 * * [simplify]: Extracting #4: cost 0 inf + 783
0.037 * [simplify]: Simplified to:
  (* (- 1.0 (* x 0.5)) x)
0.037 * * [progress]: iteration 1 / 4
0.037 * * * [progress]: picking best candidate
0.040 * * * * [pick]: Picked  #<alt (λ (x) (* x (- 1.0 (* x 0.5))))>
0.040 * * * [progress]: localizing error
0.050 * * * [progress]: generating rewritten candidates
0.050 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.066 * * * [progress]: generating series expansions
0.066 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.067 * [backup-simplify]: Simplify (* x (- 1.0 (* x 0.5))) into (* x (- 1.0 (* 0.5 x)))
0.067 * [approximate]: Taking taylor expansion of (* x (- 1.0 (* 0.5 x))) in (x) around 0
0.067 * [taylor]: Taking taylor expansion of (* x (- 1.0 (* 0.5 x))) in x
0.067 * [taylor]: Taking taylor expansion of x in x
0.067 * [backup-simplify]: Simplify 0 into 0
0.067 * [backup-simplify]: Simplify 1 into 1
0.067 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 x)) in x
0.067 * [taylor]: Taking taylor expansion of 1.0 in x
0.067 * [backup-simplify]: Simplify 1.0 into 1.0
0.067 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.067 * [taylor]: Taking taylor expansion of 0.5 in x
0.067 * [backup-simplify]: Simplify 0.5 into 0.5
0.067 * [taylor]: Taking taylor expansion of x in x
0.067 * [backup-simplify]: Simplify 0 into 0
0.067 * [backup-simplify]: Simplify 1 into 1
0.067 * [taylor]: Taking taylor expansion of (* x (- 1.0 (* 0.5 x))) in x
0.067 * [taylor]: Taking taylor expansion of x in x
0.067 * [backup-simplify]: Simplify 0 into 0
0.067 * [backup-simplify]: Simplify 1 into 1
0.067 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 x)) in x
0.067 * [taylor]: Taking taylor expansion of 1.0 in x
0.067 * [backup-simplify]: Simplify 1.0 into 1.0
0.067 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.067 * [taylor]: Taking taylor expansion of 0.5 in x
0.067 * [backup-simplify]: Simplify 0.5 into 0.5
0.067 * [taylor]: Taking taylor expansion of x in x
0.067 * [backup-simplify]: Simplify 0 into 0
0.067 * [backup-simplify]: Simplify 1 into 1
0.068 * [backup-simplify]: Simplify (* 0.5 0) into 0
0.068 * [backup-simplify]: Simplify (- 0) into 0
0.068 * [backup-simplify]: Simplify (+ 1.0 0) into 1.0
0.069 * [backup-simplify]: Simplify (* 0 1.0) into 0
0.069 * [backup-simplify]: Simplify 0 into 0
0.069 * [backup-simplify]: Simplify (+ (* 0.5 1) (* 0 0)) into 0.5
0.070 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
0.070 * [backup-simplify]: Simplify (+ 0 (- 0.5)) into (- 0.5)
0.071 * [backup-simplify]: Simplify (+ (* 0 (- 0.5)) (* 1 1.0)) into 1.0
0.071 * [backup-simplify]: Simplify 1.0 into 1.0
0.072 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 1) (* 0 0))) into 0
0.072 * [backup-simplify]: Simplify (- 0) into 0
0.072 * [backup-simplify]: Simplify (+ 0 0) into 0
0.075 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 (- 0.5)) (* 0 1.0))) into (- 0.5)
0.075 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
0.075 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
0.076 * [backup-simplify]: Simplify (- 0) into 0
0.076 * [backup-simplify]: Simplify (+ 0 0) into 0
0.077 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 (- 0.5)) (* 0 1.0)))) into 0
0.077 * [backup-simplify]: Simplify 0 into 0
0.078 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))) into 0
0.078 * [backup-simplify]: Simplify (- 0) into 0
0.078 * [backup-simplify]: Simplify (+ 0 0) into 0
0.079 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 (- 0.5)) (* 0 1.0))))) into 0
0.079 * [backup-simplify]: Simplify 0 into 0
0.080 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))))) into 0
0.080 * [backup-simplify]: Simplify (- 0) into 0
0.080 * [backup-simplify]: Simplify (+ 0 0) into 0
0.081 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (- 0.5)) (* 0 1.0)))))) into 0
0.081 * [backup-simplify]: Simplify 0 into 0
0.082 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))))) into 0
0.083 * [backup-simplify]: Simplify (- 0) into 0
0.083 * [backup-simplify]: Simplify (+ 0 0) into 0
0.084 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (- 0.5)) (* 0 1.0))))))) into 0
0.084 * [backup-simplify]: Simplify 0 into 0
0.085 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))))))) into 0
0.085 * [backup-simplify]: Simplify (- 0) into 0
0.086 * [backup-simplify]: Simplify (+ 0 0) into 0
0.087 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (- 0.5)) (* 0 1.0)))))))) into 0
0.087 * [backup-simplify]: Simplify 0 into 0
0.088 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))))))) into 0
0.088 * [backup-simplify]: Simplify (- 0) into 0
0.088 * [backup-simplify]: Simplify (+ 0 0) into 0
0.090 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (- 0.5)) (* 0 1.0))))))))) into 0
0.090 * [backup-simplify]: Simplify 0 into 0
0.090 * [backup-simplify]: Simplify (+ (* (- 0.5) (pow x 2)) (* 1.0 x)) into (- (* 1.0 x) (* 0.5 (pow x 2)))
0.090 * [backup-simplify]: Simplify (* (/ 1 x) (- 1.0 (* (/ 1 x) 0.5))) into (/ (- 1.0 (* 0.5 (/ 1 x))) x)
0.090 * [approximate]: Taking taylor expansion of (/ (- 1.0 (* 0.5 (/ 1 x))) x) in (x) around 0
0.090 * [taylor]: Taking taylor expansion of (/ (- 1.0 (* 0.5 (/ 1 x))) x) in x
0.090 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 (/ 1 x))) in x
0.090 * [taylor]: Taking taylor expansion of 1.0 in x
0.090 * [backup-simplify]: Simplify 1.0 into 1.0
0.090 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.091 * [taylor]: Taking taylor expansion of 0.5 in x
0.091 * [backup-simplify]: Simplify 0.5 into 0.5
0.091 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.091 * [taylor]: Taking taylor expansion of x in x
0.091 * [backup-simplify]: Simplify 0 into 0
0.091 * [backup-simplify]: Simplify 1 into 1
0.091 * [backup-simplify]: Simplify (/ 1 1) into 1
0.091 * [taylor]: Taking taylor expansion of x in x
0.091 * [backup-simplify]: Simplify 0 into 0
0.091 * [backup-simplify]: Simplify 1 into 1
0.091 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
0.091 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
0.092 * [backup-simplify]: Simplify (+ 0 (- 0.5)) into (- 0.5)
0.092 * [backup-simplify]: Simplify (/ (- 0.5) 1) into -0.5
0.093 * [taylor]: Taking taylor expansion of (/ (- 1.0 (* 0.5 (/ 1 x))) x) in x
0.093 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 (/ 1 x))) in x
0.093 * [taylor]: Taking taylor expansion of 1.0 in x
0.093 * [backup-simplify]: Simplify 1.0 into 1.0
0.093 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.093 * [taylor]: Taking taylor expansion of 0.5 in x
0.093 * [backup-simplify]: Simplify 0.5 into 0.5
0.093 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.093 * [taylor]: Taking taylor expansion of x in x
0.093 * [backup-simplify]: Simplify 0 into 0
0.093 * [backup-simplify]: Simplify 1 into 1
0.093 * [backup-simplify]: Simplify (/ 1 1) into 1
0.093 * [taylor]: Taking taylor expansion of x in x
0.093 * [backup-simplify]: Simplify 0 into 0
0.093 * [backup-simplify]: Simplify 1 into 1
0.093 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
0.094 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
0.094 * [backup-simplify]: Simplify (+ 0 (- 0.5)) into (- 0.5)
0.095 * [backup-simplify]: Simplify (/ (- 0.5) 1) into -0.5
0.095 * [backup-simplify]: Simplify -0.5 into -0.5
0.095 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.096 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
0.096 * [backup-simplify]: Simplify (- 0) into 0
0.096 * [backup-simplify]: Simplify (+ 1.0 0) into 1.0
0.097 * [backup-simplify]: Simplify (- (/ 1.0 1) (+ (* -0.5 (/ 0 1)))) into 1.0
0.097 * [backup-simplify]: Simplify 1.0 into 1.0
0.098 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.099 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
0.099 * [backup-simplify]: Simplify (- 0) into 0
0.099 * [backup-simplify]: Simplify (+ 0 0) into 0
0.100 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -0.5 (/ 0 1)) (* 1.0 (/ 0 1)))) into 0
0.100 * [backup-simplify]: Simplify 0 into 0
0.100 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.101 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.101 * [backup-simplify]: Simplify (- 0) into 0
0.101 * [backup-simplify]: Simplify (+ 0 0) into 0
0.102 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.102 * [backup-simplify]: Simplify 0 into 0
0.103 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.103 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.104 * [backup-simplify]: Simplify (- 0) into 0
0.104 * [backup-simplify]: Simplify (+ 0 0) into 0
0.105 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.105 * [backup-simplify]: Simplify 0 into 0
0.105 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.106 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
0.106 * [backup-simplify]: Simplify (- 0) into 0
0.106 * [backup-simplify]: Simplify (+ 0 0) into 0
0.107 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.107 * [backup-simplify]: Simplify 0 into 0
0.108 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.109 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
0.109 * [backup-simplify]: Simplify (- 0) into 0
0.109 * [backup-simplify]: Simplify (+ 0 0) into 0
0.110 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.110 * [backup-simplify]: Simplify 0 into 0
0.110 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.111 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0
0.112 * [backup-simplify]: Simplify (- 0) into 0
0.112 * [backup-simplify]: Simplify (+ 0 0) into 0
0.113 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.113 * [backup-simplify]: Simplify 0 into 0
0.113 * [backup-simplify]: Simplify (+ (* 1.0 (/ 1 (/ 1 x))) (* -0.5 (pow (/ 1 (/ 1 x)) 2))) into (- (* 1.0 x) (* 0.5 (pow x 2)))
0.113 * [backup-simplify]: Simplify (* (/ 1 (- x)) (- 1.0 (* (/ 1 (- x)) 0.5))) into (* -1 (/ (+ (* 0.5 (/ 1 x)) 1.0) x))
0.113 * [approximate]: Taking taylor expansion of (* -1 (/ (+ (* 0.5 (/ 1 x)) 1.0) x)) in (x) around 0
0.113 * [taylor]: Taking taylor expansion of (* -1 (/ (+ (* 0.5 (/ 1 x)) 1.0) x)) in x
0.113 * [taylor]: Taking taylor expansion of -1 in x
0.113 * [backup-simplify]: Simplify -1 into -1
0.113 * [taylor]: Taking taylor expansion of (/ (+ (* 0.5 (/ 1 x)) 1.0) x) in x
0.113 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) 1.0) in x
0.113 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.113 * [taylor]: Taking taylor expansion of 0.5 in x
0.113 * [backup-simplify]: Simplify 0.5 into 0.5
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
0.114 * [backup-simplify]: Simplify (/ 1 1) into 1
0.114 * [taylor]: Taking taylor expansion of 1.0 in x
0.114 * [backup-simplify]: Simplify 1.0 into 1.0
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
0.114 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
0.114 * [backup-simplify]: Simplify (+ 0.5 0) into 0.5
0.115 * [backup-simplify]: Simplify (/ 0.5 1) into 0.5
0.115 * [taylor]: Taking taylor expansion of (* -1 (/ (+ (* 0.5 (/ 1 x)) 1.0) 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 (/ (+ (* 0.5 (/ 1 x)) 1.0) x) in x
0.115 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) 1.0) in x
0.115 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.115 * [taylor]: Taking taylor expansion of 0.5 in x
0.115 * [backup-simplify]: Simplify 0.5 into 0.5
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
0.115 * [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 * [taylor]: Taking taylor expansion of x in x
0.115 * [backup-simplify]: Simplify 0 into 0
0.115 * [backup-simplify]: Simplify 1 into 1
0.115 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
0.116 * [backup-simplify]: Simplify (+ 0.5 0) into 0.5
0.116 * [backup-simplify]: Simplify (/ 0.5 1) into 0.5
0.116 * [backup-simplify]: Simplify (* -1 0.5) into -0.5
0.116 * [backup-simplify]: Simplify -0.5 into -0.5
0.117 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.117 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
0.118 * [backup-simplify]: Simplify (+ 0 1.0) into 1.0
0.119 * [backup-simplify]: Simplify (- (/ 1.0 1) (+ (* 0.5 (/ 0 1)))) into 1.0
0.120 * [backup-simplify]: Simplify (+ (* -1 1.0) (* 0 0.5)) into (- 1.0)
0.120 * [backup-simplify]: Simplify (- 1.0) into (- 1.0)
0.121 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.121 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
0.122 * [backup-simplify]: Simplify (+ 0 0) into 0
0.122 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)) (* 1.0 (/ 0 1)))) into 0
0.127 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 1.0) (* 0 0.5))) into 0
0.127 * [backup-simplify]: Simplify 0 into 0
0.128 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.128 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.129 * [backup-simplify]: Simplify (+ 0 0) into 0
0.129 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.130 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 1.0) (* 0 0.5)))) into 0
0.130 * [backup-simplify]: Simplify 0 into 0
0.131 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.131 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.132 * [backup-simplify]: Simplify (+ 0 0) into 0
0.132 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.133 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1.0) (* 0 0.5))))) into 0
0.133 * [backup-simplify]: Simplify 0 into 0
0.134 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.135 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
0.135 * [backup-simplify]: Simplify (+ 0 0) into 0
0.136 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.136 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1.0) (* 0 0.5)))))) into 0
0.137 * [backup-simplify]: Simplify 0 into 0
0.137 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.138 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
0.138 * [backup-simplify]: Simplify (+ 0 0) into 0
0.139 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.140 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1.0) (* 0 0.5))))))) into 0
0.140 * [backup-simplify]: Simplify 0 into 0
0.141 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.142 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0
0.142 * [backup-simplify]: Simplify (+ 0 0) into 0
0.143 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.144 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1.0) (* 0 0.5)))))))) into 0
0.144 * [backup-simplify]: Simplify 0 into 0
0.144 * [backup-simplify]: Simplify (+ (* (- 1.0) (/ 1 (/ 1 (- x)))) (* -0.5 (pow (/ 1 (/ 1 (- x))) 2))) into (- (* 1.0 x) (* 0.5 (pow x 2)))
0.144 * * * [progress]: simplifying candidates
0.145 * [simplify]: Simplifying:
  (expm1 (* x (- 1.0 (* x 0.5))))
  (log1p (* x (- 1.0 (* x 0.5))))
  (* x (- 1.0 (* x 0.5)))
  (+ (log x) (log (- 1.0 (* x 0.5))))
  (log (* x (- 1.0 (* x 0.5))))
  (exp (* x (- 1.0 (* x 0.5))))
  (* (* (* x x) x) (* (* (- 1.0 (* x 0.5)) (- 1.0 (* x 0.5))) (- 1.0 (* x 0.5))))
  (* (cbrt (* x (- 1.0 (* x 0.5)))) (cbrt (* x (- 1.0 (* x 0.5)))))
  (cbrt (* x (- 1.0 (* x 0.5))))
  (* (* (* x (- 1.0 (* x 0.5))) (* x (- 1.0 (* x 0.5)))) (* x (- 1.0 (* x 0.5))))
  (sqrt (* x (- 1.0 (* x 0.5))))
  (sqrt (* x (- 1.0 (* x 0.5))))
  (* (sqrt x) (sqrt (- 1.0 (* x 0.5))))
  (* (sqrt x) (sqrt (- 1.0 (* x 0.5))))
  (* x (fma (* (cbrt 1.0) (cbrt 1.0)) (cbrt 1.0) (- (* 0.5 x))))
  (* x (fma (- 0.5) x (* 0.5 x)))
  (* x (fma (sqrt 1.0) (sqrt 1.0) (- (* 0.5 x))))
  (* x (fma (- 0.5) x (* 0.5 x)))
  (* x (fma 1 1.0 (- (* 0.5 x))))
  (* x (fma (- 0.5) x (* 0.5 x)))
  (* x 1.0)
  (* x (- (* x 0.5)))
  (* x 1.0)
  (* x (- (* x 0.5)))
  (* (fma (* (cbrt 1.0) (cbrt 1.0)) (cbrt 1.0) (- (* 0.5 x))) x)
  (* (fma (- 0.5) x (* 0.5 x)) x)
  (* (fma (sqrt 1.0) (sqrt 1.0) (- (* 0.5 x))) x)
  (* (fma (- 0.5) x (* 0.5 x)) x)
  (* (fma 1 1.0 (- (* 0.5 x))) x)
  (* (fma (- 0.5) x (* 0.5 x)) x)
  (* 1.0 x)
  (* (- (* x 0.5)) x)
  (* 1.0 x)
  (* (- (* x 0.5)) x)
  (* x (* (cbrt (- 1.0 (* x 0.5))) (cbrt (- 1.0 (* x 0.5)))))
  (* x (sqrt (- 1.0 (* x 0.5))))
  (* x 1)
  (* (cbrt x) (- 1.0 (* x 0.5)))
  (* (sqrt x) (- 1.0 (* x 0.5)))
  (* x (- 1.0 (* x 0.5)))
  (* x (- (pow 1.0 3) (pow (* x 0.5) 3)))
  (* x (- (* 1.0 1.0) (* (* x 0.5) (* x 0.5))))
  (- (* 1.0 x) (* 0.5 (pow x 2)))
  (- (* 1.0 x) (* 0.5 (pow x 2)))
  (- (* 1.0 x) (* 0.5 (pow x 2)))
0.146 * * [simplify]: iteration 0: 71 enodes
0.164 * * [simplify]: iteration 1: 174 enodes
0.227 * * [simplify]: iteration 2: 721 enodes
0.451 * * [simplify]: iteration complete: 5000 enodes
0.451 * * [simplify]: Extracting #0: cost 29 inf + 0
0.454 * * [simplify]: Extracting #1: cost 757 inf + 1
0.462 * * [simplify]: Extracting #2: cost 1683 inf + 11218
0.500 * * [simplify]: Extracting #3: cost 1087 inf + 147616
0.578 * * [simplify]: Extracting #4: cost 227 inf + 287955
0.656 * * [simplify]: Extracting #5: cost 14 inf + 324980
0.726 * * [simplify]: Extracting #6: cost 1 inf + 328542
0.810 * * [simplify]: Extracting #7: cost 0 inf + 328836
0.911 * [simplify]: Simplified to:
  (expm1 (* x (- 1.0 (* x 0.5))))
  (log1p (* x (- 1.0 (* x 0.5))))
  (* x (- 1.0 (* x 0.5)))
  (log (* x (- 1.0 (* x 0.5))))
  (log (* x (- 1.0 (* x 0.5))))
  (exp (* x (- 1.0 (* x 0.5))))
  (* (* (- 1.0 (* x 0.5)) x) (* (* x (- 1.0 (* x 0.5))) (* x (- 1.0 (* x 0.5)))))
  (* (cbrt (* x (- 1.0 (* x 0.5)))) (cbrt (* x (- 1.0 (* x 0.5)))))
  (cbrt (* x (- 1.0 (* x 0.5))))
  (* (* (* (- 1.0 (* x 0.5)) x) (* (- 1.0 (* x 0.5)) x)) (* (- 1.0 (* x 0.5)) x))
  (sqrt (* x (- 1.0 (* x 0.5))))
  (sqrt (* x (- 1.0 (* x 0.5))))
  (* (sqrt (- 1.0 (* x 0.5))) (sqrt x))
  (* (sqrt (- 1.0 (* x 0.5))) (sqrt x))
  (* x (- (* (* (cbrt 1.0) (cbrt 1.0)) (cbrt 1.0)) (* 0.5 x)))
  (* (* x x) (+ (- 0.5) 0.5))
  (* x (- 1.0 (* 0.5 x)))
  (* (* x x) (+ (- 0.5) 0.5))
  (* x (- 1.0 (* 0.5 x)))
  (* (* x x) (+ (- 0.5) 0.5))
  (* 1.0 x)
  (* (- x) (* x 0.5))
  (* 1.0 x)
  (* (- x) (* x 0.5))
  (* (- (* (* (cbrt 1.0) (cbrt 1.0)) (cbrt 1.0)) (* 0.5 x)) x)
  (* (* x x) (+ (- 0.5) 0.5))
  (* x (- 1.0 (* 0.5 x)))
  (* (* x x) (+ (- 0.5) 0.5))
  (* x (- 1.0 (* 0.5 x)))
  (* (* x x) (+ (- 0.5) 0.5))
  (* 1.0 x)
  (* (* x 0.5) (- x))
  (* 1.0 x)
  (* (* x 0.5) (- x))
  (* (cbrt (- 1.0 (* x 0.5))) (* (cbrt (- 1.0 (* x 0.5))) x))
  (* x (sqrt (- 1.0 (* x 0.5))))
  x
  (* (- 1.0 (* x 0.5)) (cbrt x))
  (* (sqrt x) (- 1.0 (* x 0.5)))
  (* x (- 1.0 (* x 0.5)))
  (* (- (* (* 1.0 1.0) 1.0) (* (* x 0.5) (* (* x 0.5) (* x 0.5)))) x)
  (* (+ 1.0 (* x 0.5)) (* (- 1.0 (* x 0.5)) x))
  (* x (- 1.0 (* 0.5 x)))
  (* x (- 1.0 (* 0.5 x)))
  (* x (- 1.0 (* 0.5 x)))
0.913 * * * [progress]: adding candidates to table
1.041 * * [progress]: iteration 2 / 4
1.041 * * * [progress]: picking best candidate
1.047 * * * * [pick]: Picked  #<alt (λ (x) (+ (* x 1.0) (* x (- (* x 0.5)))))>
1.047 * * * [progress]: localizing error
1.065 * * * [progress]: generating rewritten candidates
1.065 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
1.079 * * * [progress]: generating series expansions
1.079 * * * * [progress]: [ 1 / 1 ] generating series at (2)
1.079 * [backup-simplify]: Simplify (+ (* x 1.0) (* x (- (* x 0.5)))) into (- (* 1.0 x) (* 0.5 (pow x 2)))
1.079 * [approximate]: Taking taylor expansion of (- (* 1.0 x) (* 0.5 (pow x 2))) in (x) around 0
1.079 * [taylor]: Taking taylor expansion of (- (* 1.0 x) (* 0.5 (pow x 2))) in x
1.079 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
1.079 * [taylor]: Taking taylor expansion of 1.0 in x
1.079 * [backup-simplify]: Simplify 1.0 into 1.0
1.079 * [taylor]: Taking taylor expansion of x in x
1.079 * [backup-simplify]: Simplify 0 into 0
1.079 * [backup-simplify]: Simplify 1 into 1
1.079 * [taylor]: Taking taylor expansion of (* 0.5 (pow x 2)) in x
1.079 * [taylor]: Taking taylor expansion of 0.5 in x
1.079 * [backup-simplify]: Simplify 0.5 into 0.5
1.079 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.080 * [taylor]: Taking taylor expansion of x in x
1.080 * [backup-simplify]: Simplify 0 into 0
1.080 * [backup-simplify]: Simplify 1 into 1
1.080 * [taylor]: Taking taylor expansion of (- (* 1.0 x) (* 0.5 (pow x 2))) in x
1.080 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
1.080 * [taylor]: Taking taylor expansion of 1.0 in x
1.080 * [backup-simplify]: Simplify 1.0 into 1.0
1.080 * [taylor]: Taking taylor expansion of x in x
1.080 * [backup-simplify]: Simplify 0 into 0
1.080 * [backup-simplify]: Simplify 1 into 1
1.080 * [taylor]: Taking taylor expansion of (* 0.5 (pow x 2)) in x
1.080 * [taylor]: Taking taylor expansion of 0.5 in x
1.080 * [backup-simplify]: Simplify 0.5 into 0.5
1.080 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.080 * [taylor]: Taking taylor expansion of x in x
1.080 * [backup-simplify]: Simplify 0 into 0
1.080 * [backup-simplify]: Simplify 1 into 1
1.081 * [backup-simplify]: Simplify (* 1.0 0) into 0
1.081 * [backup-simplify]: Simplify (+ 0 0) into 0
1.081 * [backup-simplify]: Simplify 0 into 0
1.083 * [backup-simplify]: Simplify (+ (* 1.0 1) (* 0 0)) into 1.0
1.083 * [backup-simplify]: Simplify (+ 1.0 0) into 1.0
1.083 * [backup-simplify]: Simplify 1.0 into 1.0
1.084 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 1) (* 0 0))) into 0
1.084 * [backup-simplify]: Simplify (* 1 1) into 1
1.085 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
1.085 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
1.085 * [backup-simplify]: Simplify (+ 0 (- 0.5)) into (- 0.5)
1.086 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
1.086 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
1.087 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
1.087 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
1.087 * [backup-simplify]: Simplify (- 0) into 0
1.088 * [backup-simplify]: Simplify (+ 0 0) into 0
1.088 * [backup-simplify]: Simplify 0 into 0
1.088 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))) into 0
1.089 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
1.089 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
1.090 * [backup-simplify]: Simplify (- 0) into 0
1.090 * [backup-simplify]: Simplify (+ 0 0) into 0
1.090 * [backup-simplify]: Simplify 0 into 0
1.091 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))))) into 0
1.091 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
1.092 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
1.092 * [backup-simplify]: Simplify (- 0) into 0
1.093 * [backup-simplify]: Simplify (+ 0 0) into 0
1.093 * [backup-simplify]: Simplify 0 into 0
1.094 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))))) into 0
1.094 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
1.095 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
1.095 * [backup-simplify]: Simplify (- 0) into 0
1.095 * [backup-simplify]: Simplify (+ 0 0) into 0
1.095 * [backup-simplify]: Simplify 0 into 0
1.096 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))))))) into 0
1.097 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
1.098 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
1.098 * [backup-simplify]: Simplify (- 0) into 0
1.098 * [backup-simplify]: Simplify (+ 0 0) into 0
1.098 * [backup-simplify]: Simplify 0 into 0
1.100 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))))))) into 0
1.100 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
1.101 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
1.102 * [backup-simplify]: Simplify (- 0) into 0
1.102 * [backup-simplify]: Simplify (+ 0 0) into 0
1.102 * [backup-simplify]: Simplify 0 into 0
1.102 * [backup-simplify]: Simplify (+ (* (- 0.5) (pow x 2)) (* 1.0 x)) into (- (* 1.0 x) (* 0.5 (pow x 2)))
1.102 * [backup-simplify]: Simplify (+ (* (/ 1 x) 1.0) (* (/ 1 x) (- (* (/ 1 x) 0.5)))) into (- (* 1.0 (/ 1 x)) (* 0.5 (/ 1 (pow x 2))))
1.102 * [approximate]: Taking taylor expansion of (- (* 1.0 (/ 1 x)) (* 0.5 (/ 1 (pow x 2)))) in (x) around 0
1.103 * [taylor]: Taking taylor expansion of (- (* 1.0 (/ 1 x)) (* 0.5 (/ 1 (pow x 2)))) in x
1.103 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
1.103 * [taylor]: Taking taylor expansion of 1.0 in x
1.103 * [backup-simplify]: Simplify 1.0 into 1.0
1.103 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.103 * [taylor]: Taking taylor expansion of x in x
1.103 * [backup-simplify]: Simplify 0 into 0
1.103 * [backup-simplify]: Simplify 1 into 1
1.103 * [backup-simplify]: Simplify (/ 1 1) into 1
1.103 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow x 2))) in x
1.103 * [taylor]: Taking taylor expansion of 0.5 in x
1.103 * [backup-simplify]: Simplify 0.5 into 0.5
1.103 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.103 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.103 * [taylor]: Taking taylor expansion of x in x
1.103 * [backup-simplify]: Simplify 0 into 0
1.103 * [backup-simplify]: Simplify 1 into 1
1.103 * [backup-simplify]: Simplify (* 1 1) into 1
1.103 * [backup-simplify]: Simplify (/ 1 1) into 1
1.104 * [taylor]: Taking taylor expansion of (- (* 1.0 (/ 1 x)) (* 0.5 (/ 1 (pow x 2)))) in x
1.104 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
1.104 * [taylor]: Taking taylor expansion of 1.0 in x
1.104 * [backup-simplify]: Simplify 1.0 into 1.0
1.104 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.104 * [taylor]: Taking taylor expansion of x in x
1.104 * [backup-simplify]: Simplify 0 into 0
1.104 * [backup-simplify]: Simplify 1 into 1
1.104 * [backup-simplify]: Simplify (/ 1 1) into 1
1.104 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow x 2))) in x
1.104 * [taylor]: Taking taylor expansion of 0.5 in x
1.104 * [backup-simplify]: Simplify 0.5 into 0.5
1.104 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.104 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.104 * [taylor]: Taking taylor expansion of x in x
1.104 * [backup-simplify]: Simplify 0 into 0
1.104 * [backup-simplify]: Simplify 1 into 1
1.104 * [backup-simplify]: Simplify (* 1 1) into 1
1.104 * [backup-simplify]: Simplify (/ 1 1) into 1
1.105 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
1.105 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
1.106 * [backup-simplify]: Simplify (+ 0 (- 0.5)) into (- 0.5)
1.106 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
1.106 * [backup-simplify]: Simplify (* 1.0 1) into 1.0
1.106 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
1.107 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
1.107 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
1.108 * [backup-simplify]: Simplify (- 0) into 0
1.108 * [backup-simplify]: Simplify (+ 1.0 0) into 1.0
1.108 * [backup-simplify]: Simplify 1.0 into 1.0
1.108 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
1.109 * [backup-simplify]: Simplify (+ (* 1.0 0) (* 0 1)) into 0
1.109 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
1.110 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.110 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
1.111 * [backup-simplify]: Simplify (- 0) into 0
1.111 * [backup-simplify]: Simplify (+ 0 0) into 0
1.111 * [backup-simplify]: Simplify 0 into 0
1.111 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.112 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (* 0 1))) into 0
1.113 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
1.113 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.118 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
1.119 * [backup-simplify]: Simplify (- 0) into 0
1.119 * [backup-simplify]: Simplify (+ 0 0) into 0
1.119 * [backup-simplify]: Simplify 0 into 0
1.120 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.121 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
1.123 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
1.123 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.125 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
1.125 * [backup-simplify]: Simplify (- 0) into 0
1.126 * [backup-simplify]: Simplify (+ 0 0) into 0
1.126 * [backup-simplify]: Simplify 0 into 0
1.127 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.128 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
1.129 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
1.130 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.132 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
1.132 * [backup-simplify]: Simplify (- 0) into 0
1.132 * [backup-simplify]: Simplify (+ 0 0) into 0
1.132 * [backup-simplify]: Simplify 0 into 0
1.133 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.134 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
1.136 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
1.137 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.138 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
1.139 * [backup-simplify]: Simplify (- 0) into 0
1.139 * [backup-simplify]: Simplify (+ 0 0) into 0
1.139 * [backup-simplify]: Simplify 0 into 0
1.141 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.142 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
1.144 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0
1.145 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.146 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0
1.147 * [backup-simplify]: Simplify (- 0) into 0
1.147 * [backup-simplify]: Simplify (+ 0 0) into 0
1.147 * [backup-simplify]: Simplify 0 into 0
1.148 * [backup-simplify]: Simplify (+ (* 1.0 (/ 1 (/ 1 x))) (* (- 0.5) (pow (/ 1 (/ 1 x)) 2))) into (- (* 1.0 x) (* 0.5 (pow x 2)))
1.148 * [backup-simplify]: Simplify (+ (* (/ 1 (- x)) 1.0) (* (/ 1 (- x)) (- (* (/ 1 (- x)) 0.5)))) into (- (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x))))
1.148 * [approximate]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x)))) in (x) around 0
1.148 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x)))) in x
1.148 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x))) in x
1.148 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow x 2))) in x
1.148 * [taylor]: Taking taylor expansion of 0.5 in x
1.148 * [backup-simplify]: Simplify 0.5 into 0.5
1.148 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.148 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.148 * [taylor]: Taking taylor expansion of x in x
1.148 * [backup-simplify]: Simplify 0 into 0
1.148 * [backup-simplify]: Simplify 1 into 1
1.149 * [backup-simplify]: Simplify (* 1 1) into 1
1.149 * [backup-simplify]: Simplify (/ 1 1) into 1
1.149 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
1.149 * [taylor]: Taking taylor expansion of 1.0 in x
1.149 * [backup-simplify]: Simplify 1.0 into 1.0
1.149 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.149 * [taylor]: Taking taylor expansion of x in x
1.149 * [backup-simplify]: Simplify 0 into 0
1.149 * [backup-simplify]: Simplify 1 into 1
1.150 * [backup-simplify]: Simplify (/ 1 1) into 1
1.150 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x)))) in x
1.150 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x))) in x
1.150 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow x 2))) in x
1.150 * [taylor]: Taking taylor expansion of 0.5 in x
1.150 * [backup-simplify]: Simplify 0.5 into 0.5
1.150 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.150 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.150 * [taylor]: Taking taylor expansion of x in x
1.150 * [backup-simplify]: Simplify 0 into 0
1.150 * [backup-simplify]: Simplify 1 into 1
1.150 * [backup-simplify]: Simplify (* 1 1) into 1
1.151 * [backup-simplify]: Simplify (/ 1 1) into 1
1.151 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
1.151 * [taylor]: Taking taylor expansion of 1.0 in x
1.151 * [backup-simplify]: Simplify 1.0 into 1.0
1.151 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.151 * [taylor]: Taking taylor expansion of x in x
1.151 * [backup-simplify]: Simplify 0 into 0
1.151 * [backup-simplify]: Simplify 1 into 1
1.151 * [backup-simplify]: Simplify (/ 1 1) into 1
1.152 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
1.152 * [backup-simplify]: Simplify (+ 0.5 0) into 0.5
1.153 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
1.153 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
1.154 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
1.154 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
1.155 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
1.155 * [backup-simplify]: Simplify (* 1.0 1) into 1.0
1.156 * [backup-simplify]: Simplify (+ 0 1.0) into 1.0
1.156 * [backup-simplify]: Simplify (- 1.0) into (- 1.0)
1.156 * [backup-simplify]: Simplify (- 1.0) into (- 1.0)
1.157 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
1.158 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.159 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
1.160 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
1.161 * [backup-simplify]: Simplify (+ (* 1.0 0) (* 0 1)) into 0
1.161 * [backup-simplify]: Simplify (+ 0 0) into 0
1.161 * [backup-simplify]: Simplify (- 0) into 0
1.161 * [backup-simplify]: Simplify 0 into 0
1.162 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
1.163 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.164 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
1.166 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.167 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (* 0 1))) into 0
1.167 * [backup-simplify]: Simplify (+ 0 0) into 0
1.167 * [backup-simplify]: Simplify (- 0) into 0
1.167 * [backup-simplify]: Simplify 0 into 0
1.168 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
1.169 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.170 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
1.171 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.172 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
1.173 * [backup-simplify]: Simplify (+ 0 0) into 0
1.173 * [backup-simplify]: Simplify (- 0) into 0
1.173 * [backup-simplify]: Simplify 0 into 0
1.174 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
1.175 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.177 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
1.177 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.179 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
1.179 * [backup-simplify]: Simplify (+ 0 0) into 0
1.179 * [backup-simplify]: Simplify (- 0) into 0
1.179 * [backup-simplify]: Simplify 0 into 0
1.181 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
1.182 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.183 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
1.184 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.186 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
1.186 * [backup-simplify]: Simplify (+ 0 0) into 0
1.186 * [backup-simplify]: Simplify (- 0) into 0
1.186 * [backup-simplify]: Simplify 0 into 0
1.188 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0
1.189 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.190 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0
1.191 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.193 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
1.193 * [backup-simplify]: Simplify (+ 0 0) into 0
1.194 * [backup-simplify]: Simplify (- 0) into 0
1.194 * [backup-simplify]: Simplify 0 into 0
1.195 * [backup-simplify]: Simplify (+ (* (- 1.0) (/ 1 (/ 1 (- x)))) (* (- 0.5) (pow (/ 1 (/ 1 (- x))) 2))) into (- (* 1.0 x) (* 0.5 (pow x 2)))
1.195 * * * [progress]: simplifying candidates
1.196 * [simplify]: Simplifying:
  (expm1 (+ (* x 1.0) (* x (- (* x 0.5)))))
  (log1p (+ (* x 1.0) (* x (- (* x 0.5)))))
  (* (exp (* x 1.0)) (exp (* x (- (* x 0.5)))))
  (log (+ (* x 1.0) (* x (- (* x 0.5)))))
  (exp (+ (* x 1.0) (* x (- (* x 0.5)))))
  (* (cbrt (+ (* x 1.0) (* x (- (* x 0.5))))) (cbrt (+ (* x 1.0) (* x (- (* x 0.5))))))
  (cbrt (+ (* x 1.0) (* x (- (* x 0.5)))))
  (* (* (+ (* x 1.0) (* x (- (* x 0.5)))) (+ (* x 1.0) (* x (- (* x 0.5))))) (+ (* x 1.0) (* x (- (* x 0.5)))))
  (sqrt (+ (* x 1.0) (* x (- (* x 0.5)))))
  (sqrt (+ (* x 1.0) (* x (- (* x 0.5)))))
  (+ (pow (* x 1.0) 3) (pow (* x (- (* x 0.5))) 3))
  (+ (* (* x 1.0) (* x 1.0)) (- (* (* x (- (* x 0.5))) (* x (- (* x 0.5)))) (* (* x 1.0) (* x (- (* x 0.5))))))
  (- (* (* x 1.0) (* x 1.0)) (* (* x (- (* x 0.5))) (* x (- (* x 0.5)))))
  (- (* x 1.0) (* x (- (* x 0.5))))
  (+ 1.0 (- (* x 0.5)))
  (- (* 1.0 x) (* 0.5 (pow x 2)))
  (- (* 1.0 x) (* 0.5 (pow x 2)))
  (- (* 1.0 x) (* 0.5 (pow x 2)))
1.196 * * [simplify]: iteration 0: 37 enodes
1.211 * * [simplify]: iteration 1: 126 enodes
1.321 * * [simplify]: iteration 2: 682 enodes
1.723 * * [simplify]: iteration complete: 5000 enodes
1.723 * * [simplify]: Extracting #0: cost 14 inf + 0
1.725 * * [simplify]: Extracting #1: cost 315 inf + 0
1.736 * * [simplify]: Extracting #2: cost 1742 inf + 11770
1.817 * * [simplify]: Extracting #3: cost 778 inf + 223305
1.889 * * [simplify]: Extracting #4: cost 54 inf + 358099
1.987 * * [simplify]: Extracting #5: cost 4 inf + 364477
2.082 * * [simplify]: Extracting #6: cost 0 inf + 365443
2.187 * [simplify]: Simplified to:
  (expm1 (* x (- 1.0 (* 0.5 x))))
  (log1p (* x (- 1.0 (* 0.5 x))))
  (exp (* x (- 1.0 (* 0.5 x))))
  (log (* x (- 1.0 (* 0.5 x))))
  (exp (* x (- 1.0 (* 0.5 x))))
  (* (cbrt (* x (- 1.0 (* 0.5 x)))) (cbrt (* x (- 1.0 (* 0.5 x)))))
  (cbrt (* x (- 1.0 (* 0.5 x))))
  (* (* (* x (- 1.0 (* 0.5 x))) (* x (- 1.0 (* 0.5 x)))) (* x (- 1.0 (* 0.5 x))))
  (sqrt (* x (- 1.0 (* 0.5 x))))
  (sqrt (* x (- 1.0 (* 0.5 x))))
  (+ (- (* (* x (* 0.5 x)) (* (* x (* 0.5 x)) (* x (* 0.5 x))))) (* (* (* x 1.0) (* x 1.0)) (* x 1.0)))
  (fma (* 1.0 x) (* 1.0 x) (* (* x (* 0.5 x)) (+ (* x (* 0.5 x)) (* 1.0 x))))
  (- (* (* x 1.0) (* x 1.0)) (* (* x (* 0.5 x)) (* x (* 0.5 x))))
  (* x (+ 1.0 (* 0.5 x)))
  (- 1.0 (* 0.5 x))
  (* x (- 1.0 (* 0.5 x)))
  (* x (- 1.0 (* 0.5 x)))
  (* x (- 1.0 (* 0.5 x)))
2.189 * * * [progress]: adding candidates to table
2.255 * [progress]: [Phase 3 of 3] Extracting.
2.255 * * [regime]: Finding splitpoints for: (#<alt (λ (x) (* x (- 1.0 (* x 0.5))))> #<alt (λ (x) (+ (* x 1.0) (* x (- (* x 0.5)))))>)
2.256 * * * [regime-changes]: Trying 2 branch expressions: ((* x (- 1.0 (* x 0.5))) x)
2.256 * * * * [regimes]: Trying to branch on (* x (- 1.0 (* x 0.5))) from (#<alt (λ (x) (* x (- 1.0 (* x 0.5))))> #<alt (λ (x) (+ (* x 1.0) (* x (- (* x 0.5)))))>)
2.277 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x) (* x (- 1.0 (* x 0.5))))> #<alt (λ (x) (+ (* x 1.0) (* x (- (* x 0.5)))))>)
2.300 * * * [regime]: Found split indices: #<option (#s(si 1 255))>
2.300 * [simplify]: Simplifying:
  (+ (* x 1.0) (* x (- (* x 0.5))))
2.300 * * [simplify]: iteration 0: 8 enodes
2.301 * * [simplify]: iteration 1: 18 enodes
2.303 * * [simplify]: iteration 2: 23 enodes
2.306 * * [simplify]: iteration 3: 24 enodes
2.308 * * [simplify]: iteration complete: 24 enodes
2.308 * * [simplify]: Extracting #0: cost 1 inf + 0
2.308 * * [simplify]: Extracting #1: cost 3 inf + 0
2.308 * * [simplify]: Extracting #2: cost 9 inf + 0
2.308 * * [simplify]: Extracting #3: cost 9 inf + 2
2.309 * * [simplify]: Extracting #4: cost 0 inf + 658
2.309 * [simplify]: Simplified to:
  (+ (* x 1.0) (* (- (* 0.5 x)) x))
3.330 * [regime-testing]: Baseline error score: 0.00837320664126765
3.341 * [regime-testing]: Oracle error score: 0.00012501562695336918
3.377 * [regime-testing]: End program error score: 0.00837320664126765