18.464 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.013 * * * [progress]: [2/2] Setting up program.
0.017 * [progress]: [Phase 2 of 3] Improving.
0.017 * [simplify]: Simplifying:
  (* x (- 1.0 (* x 0.5)))
0.017 * * [simplify]: iteration 0: 6 enodes
0.018 * * [simplify]: iteration 1: 10 enodes
0.020 * * [simplify]: iteration 2: 23 enodes
0.023 * * [simplify]: iteration 3: 38 enodes
0.030 * * [simplify]: iteration 4: 44 enodes
0.035 * * [simplify]: iteration complete: 44 enodes
0.035 * * [simplify]: Extracting #0: cost 1 inf + 0
0.035 * * [simplify]: Extracting #1: cost 6 inf + 0
0.035 * * [simplify]: Extracting #2: cost 13 inf + 1
0.036 * * [simplify]: Extracting #3: cost 7 inf + 168
0.036 * * [simplify]: Extracting #4: cost 0 inf + 783
0.036 * [simplify]: Simplified to:
  (* (- 1.0 (* x 0.5)) x)
0.036 * * [progress]: iteration 1 / 4
0.036 * * * [progress]: picking best candidate
0.039 * * * * [pick]: Picked  #<alt (λ (x) (* x (- 1.0 (* x 0.5))))>
0.039 * * * [progress]: localizing error
0.046 * * * [progress]: generating rewritten candidates
0.046 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.059 * * * [progress]: generating series expansions
0.059 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.060 * [backup-simplify]: Simplify (* x (- 1.0 (* x 0.5))) into (* x (- 1.0 (* 0.5 x)))
0.060 * [approximate]: Taking taylor expansion of (* x (- 1.0 (* 0.5 x))) in (x) around 0
0.060 * [taylor]: Taking taylor expansion of (* x (- 1.0 (* 0.5 x))) in x
0.060 * [taylor]: Taking taylor expansion of x in x
0.060 * [backup-simplify]: Simplify 0 into 0
0.060 * [backup-simplify]: Simplify 1 into 1
0.060 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 x)) in x
0.060 * [taylor]: Taking taylor expansion of 1.0 in x
0.060 * [backup-simplify]: Simplify 1.0 into 1.0
0.060 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.060 * [taylor]: Taking taylor expansion of 0.5 in x
0.060 * [backup-simplify]: Simplify 0.5 into 0.5
0.060 * [taylor]: Taking taylor expansion of x in x
0.060 * [backup-simplify]: Simplify 0 into 0
0.060 * [backup-simplify]: Simplify 1 into 1
0.060 * [taylor]: Taking taylor expansion of (* x (- 1.0 (* 0.5 x))) in x
0.060 * [taylor]: Taking taylor expansion of x in x
0.060 * [backup-simplify]: Simplify 0 into 0
0.060 * [backup-simplify]: Simplify 1 into 1
0.060 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 x)) in x
0.060 * [taylor]: Taking taylor expansion of 1.0 in x
0.060 * [backup-simplify]: Simplify 1.0 into 1.0
0.060 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.060 * [taylor]: Taking taylor expansion of 0.5 in x
0.060 * [backup-simplify]: Simplify 0.5 into 0.5
0.060 * [taylor]: Taking taylor expansion of x in x
0.060 * [backup-simplify]: Simplify 0 into 0
0.060 * [backup-simplify]: Simplify 1 into 1
0.065 * [backup-simplify]: Simplify (* 0.5 0) into 0
0.065 * [backup-simplify]: Simplify (- 0) into 0
0.065 * [backup-simplify]: Simplify (+ 1.0 0) into 1.0
0.066 * [backup-simplify]: Simplify (* 0 1.0) into 0
0.066 * [backup-simplify]: Simplify 0 into 0
0.066 * [backup-simplify]: Simplify (+ (* 0.5 1) (* 0 0)) into 0.5
0.067 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
0.067 * [backup-simplify]: Simplify (+ 0 (- 0.5)) into (- 0.5)
0.068 * [backup-simplify]: Simplify (+ (* 0 (- 0.5)) (* 1 1.0)) into 1.0
0.068 * [backup-simplify]: Simplify 1.0 into 1.0
0.069 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 1) (* 0 0))) into 0
0.069 * [backup-simplify]: Simplify (- 0) into 0
0.069 * [backup-simplify]: Simplify (+ 0 0) into 0
0.071 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 (- 0.5)) (* 0 1.0))) into (- 0.5)
0.072 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
0.072 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
0.073 * [backup-simplify]: Simplify (- 0) into 0
0.073 * [backup-simplify]: Simplify (+ 0 0) into 0
0.074 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 (- 0.5)) (* 0 1.0)))) into 0
0.074 * [backup-simplify]: Simplify 0 into 0
0.075 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))) into 0
0.075 * [backup-simplify]: Simplify (- 0) into 0
0.075 * [backup-simplify]: Simplify (+ 0 0) into 0
0.076 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 (- 0.5)) (* 0 1.0))))) into 0
0.076 * [backup-simplify]: Simplify 0 into 0
0.077 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))))) into 0
0.077 * [backup-simplify]: Simplify (- 0) into 0
0.077 * [backup-simplify]: Simplify (+ 0 0) into 0
0.079 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 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 0) (+ (* 0 1) (* 0 0))))))) into 0
0.081 * [backup-simplify]: Simplify (- 0) into 0
0.081 * [backup-simplify]: Simplify (+ 0 0) into 0
0.083 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (- 0.5)) (* 0 1.0))))))) into 0
0.083 * [backup-simplify]: Simplify 0 into 0
0.084 * [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
0.085 * [backup-simplify]: Simplify (+ 0 0) into 0
0.086 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (- 0.5)) (* 0 1.0)))))))) into 0
0.086 * [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
0.089 * [backup-simplify]: Simplify (+ 0 0) into 0
0.091 * [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
0.091 * [backup-simplify]: Simplify 0 into 0
0.092 * [backup-simplify]: Simplify (+ (* (- 0.5) (pow x 2)) (* 1.0 x)) into (- (* 1.0 x) (* 0.5 (pow x 2)))
0.092 * [backup-simplify]: Simplify (* (/ 1 x) (- 1.0 (* (/ 1 x) 0.5))) into (/ (- 1.0 (* 0.5 (/ 1 x))) x)
0.092 * [approximate]: Taking taylor expansion of (/ (- 1.0 (* 0.5 (/ 1 x))) x) in (x) around 0
0.092 * [taylor]: Taking taylor expansion of (/ (- 1.0 (* 0.5 (/ 1 x))) x) in x
0.092 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 (/ 1 x))) in x
0.092 * [taylor]: Taking taylor expansion of 1.0 in x
0.092 * [backup-simplify]: Simplify 1.0 into 1.0
0.092 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.092 * [taylor]: Taking taylor expansion of 0.5 in x
0.092 * [backup-simplify]: Simplify 0.5 into 0.5
0.092 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.092 * [taylor]: Taking taylor expansion of x in x
0.092 * [backup-simplify]: Simplify 0 into 0
0.092 * [backup-simplify]: Simplify 1 into 1
0.092 * [backup-simplify]: Simplify (/ 1 1) into 1
0.092 * [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
0.093 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
0.094 * [backup-simplify]: Simplify (+ 0 (- 0.5)) into (- 0.5)
0.094 * [backup-simplify]: Simplify (/ (- 0.5) 1) into -0.5
0.094 * [taylor]: Taking taylor expansion of (/ (- 1.0 (* 0.5 (/ 1 x))) x) in x
0.094 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 (/ 1 x))) in x
0.094 * [taylor]: Taking taylor expansion of 1.0 in x
0.094 * [backup-simplify]: Simplify 1.0 into 1.0
0.094 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.094 * [taylor]: Taking taylor expansion of 0.5 in x
0.094 * [backup-simplify]: Simplify 0.5 into 0.5
0.094 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.094 * [taylor]: Taking taylor expansion of x in x
0.094 * [backup-simplify]: Simplify 0 into 0
0.094 * [backup-simplify]: Simplify 1 into 1
0.095 * [backup-simplify]: Simplify (/ 1 1) into 1
0.095 * [taylor]: Taking taylor expansion of x in x
0.095 * [backup-simplify]: Simplify 0 into 0
0.095 * [backup-simplify]: Simplify 1 into 1
0.095 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
0.095 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
0.096 * [backup-simplify]: Simplify (+ 0 (- 0.5)) into (- 0.5)
0.096 * [backup-simplify]: Simplify (/ (- 0.5) 1) into -0.5
0.096 * [backup-simplify]: Simplify -0.5 into -0.5
0.097 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.097 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
0.098 * [backup-simplify]: Simplify (- 0) into 0
0.098 * [backup-simplify]: Simplify (+ 1.0 0) into 1.0
0.100 * [backup-simplify]: Simplify (- (/ 1.0 1) (+ (* -0.5 (/ 0 1)))) into 1.0
0.100 * [backup-simplify]: Simplify 1.0 into 1.0
0.101 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.102 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
0.102 * [backup-simplify]: Simplify (- 0) into 0
0.102 * [backup-simplify]: Simplify (+ 0 0) into 0
0.103 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -0.5 (/ 0 1)) (* 1.0 (/ 0 1)))) into 0
0.103 * [backup-simplify]: Simplify 0 into 0
0.104 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.105 * [backup-simplify]: Simplify (+ (* 0.5 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)))) 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)))) into 0
0.109 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.109 * [backup-simplify]: Simplify (- 0) into 0
0.110 * [backup-simplify]: Simplify (+ 0 0) into 0
0.111 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.111 * [backup-simplify]: Simplify 0 into 0
0.112 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.113 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
0.113 * [backup-simplify]: Simplify (- 0) into 0
0.114 * [backup-simplify]: Simplify (+ 0 0) into 0
0.115 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.115 * [backup-simplify]: Simplify 0 into 0
0.116 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.117 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
0.117 * [backup-simplify]: Simplify (- 0) into 0
0.118 * [backup-simplify]: Simplify (+ 0 0) into 0
0.119 * [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
0.119 * [backup-simplify]: Simplify 0 into 0
0.120 * [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
0.121 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0
0.122 * [backup-simplify]: Simplify (- 0) into 0
0.122 * [backup-simplify]: Simplify (+ 0 0) into 0
0.123 * [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
0.123 * [backup-simplify]: Simplify 0 into 0
0.123 * [backup-simplify]: Simplify (+ (* 1.0 (/ 1 (/ 1 x))) (* -0.5 (pow (/ 1 (/ 1 x)) 2))) into (- (* 1.0 x) (* 0.5 (pow x 2)))
0.124 * [backup-simplify]: Simplify (* (/ 1 (- x)) (- 1.0 (* (/ 1 (- x)) 0.5))) into (* -1 (/ (+ (* 0.5 (/ 1 x)) 1.0) x))
0.124 * [approximate]: Taking taylor expansion of (* -1 (/ (+ (* 0.5 (/ 1 x)) 1.0) x)) in (x) around 0
0.124 * [taylor]: Taking taylor expansion of (* -1 (/ (+ (* 0.5 (/ 1 x)) 1.0) x)) in x
0.124 * [taylor]: Taking taylor expansion of -1 in x
0.124 * [backup-simplify]: Simplify -1 into -1
0.124 * [taylor]: Taking taylor expansion of (/ (+ (* 0.5 (/ 1 x)) 1.0) x) in x
0.124 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) 1.0) in x
0.124 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.124 * [taylor]: Taking taylor expansion of 0.5 in x
0.124 * [backup-simplify]: Simplify 0.5 into 0.5
0.124 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.124 * [taylor]: Taking taylor expansion of x in x
0.124 * [backup-simplify]: Simplify 0 into 0
0.124 * [backup-simplify]: Simplify 1 into 1
0.125 * [backup-simplify]: Simplify (/ 1 1) into 1
0.125 * [taylor]: Taking taylor expansion of 1.0 in x
0.125 * [backup-simplify]: Simplify 1.0 into 1.0
0.125 * [taylor]: Taking taylor expansion of x in x
0.125 * [backup-simplify]: Simplify 0 into 0
0.125 * [backup-simplify]: Simplify 1 into 1
0.125 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
0.126 * [backup-simplify]: Simplify (+ 0.5 0) into 0.5
0.126 * [backup-simplify]: Simplify (/ 0.5 1) into 0.5
0.126 * [taylor]: Taking taylor expansion of (* -1 (/ (+ (* 0.5 (/ 1 x)) 1.0) x)) in x
0.126 * [taylor]: Taking taylor expansion of -1 in x
0.126 * [backup-simplify]: Simplify -1 into -1
0.126 * [taylor]: Taking taylor expansion of (/ (+ (* 0.5 (/ 1 x)) 1.0) x) in x
0.126 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) 1.0) in x
0.126 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.126 * [taylor]: Taking taylor expansion of 0.5 in x
0.126 * [backup-simplify]: Simplify 0.5 into 0.5
0.126 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.126 * [taylor]: Taking taylor expansion of x in x
0.126 * [backup-simplify]: Simplify 0 into 0
0.126 * [backup-simplify]: Simplify 1 into 1
0.127 * [backup-simplify]: Simplify (/ 1 1) into 1
0.127 * [taylor]: Taking taylor expansion of 1.0 in x
0.127 * [backup-simplify]: Simplify 1.0 into 1.0
0.127 * [taylor]: Taking taylor expansion of x in x
0.127 * [backup-simplify]: Simplify 0 into 0
0.127 * [backup-simplify]: Simplify 1 into 1
0.127 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
0.128 * [backup-simplify]: Simplify (+ 0.5 0) into 0.5
0.128 * [backup-simplify]: Simplify (/ 0.5 1) into 0.5
0.128 * [backup-simplify]: Simplify (* -1 0.5) into -0.5
0.128 * [backup-simplify]: Simplify -0.5 into -0.5
0.129 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.130 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
0.130 * [backup-simplify]: Simplify (+ 0 1.0) into 1.0
0.132 * [backup-simplify]: Simplify (- (/ 1.0 1) (+ (* 0.5 (/ 0 1)))) into 1.0
0.133 * [backup-simplify]: Simplify (+ (* -1 1.0) (* 0 0.5)) into (- 1.0)
0.133 * [backup-simplify]: Simplify (- 1.0) into (- 1.0)
0.134 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.134 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
0.135 * [backup-simplify]: Simplify (+ 0 0) into 0
0.135 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)) (* 1.0 (/ 0 1)))) into 0
0.136 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 1.0) (* 0 0.5))) into 0
0.136 * [backup-simplify]: Simplify 0 into 0
0.136 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.137 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.137 * [backup-simplify]: Simplify (+ 0 0) into 0
0.138 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.139 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 1.0) (* 0 0.5)))) into 0
0.140 * [backup-simplify]: Simplify 0 into 0
0.140 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.141 * [backup-simplify]: Simplify (+ (* 0.5 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)))) into 0
0.144 * [backup-simplify]: Simplify (+ (* -1 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)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.145 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
0.146 * [backup-simplify]: Simplify (+ 0 0) into 0
0.146 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.147 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1.0) (* 0 0.5)))))) into 0
0.147 * [backup-simplify]: Simplify 0 into 0
0.148 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.149 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
0.150 * [backup-simplify]: Simplify (+ 0 0) into 0
0.151 * [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
0.152 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1.0) (* 0 0.5))))))) into 0
0.152 * [backup-simplify]: Simplify 0 into 0
0.153 * [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
0.155 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0
0.155 * [backup-simplify]: Simplify (+ 0 0) into 0
0.156 * [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
0.158 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1.0) (* 0 0.5)))))))) into 0
0.158 * [backup-simplify]: Simplify 0 into 0
0.158 * [backup-simplify]: Simplify (+ (* (- 1.0) (/ 1 (/ 1 (- x)))) (* -0.5 (pow (/ 1 (/ 1 (- x))) 2))) into (- (* 1.0 x) (* 0.5 (pow x 2)))
0.158 * * * [progress]: simplifying candidates
0.159 * [simplify]: Simplifying:
  (* 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 1.0)
  (* x (- (* x 0.5)))
  (* x 1.0)
  (* x (- (* x 0.5)))
  (* 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)))
0.159 * * [simplify]: iteration 0: 51 enodes
0.176 * * [simplify]: iteration 1: 132 enodes
0.208 * * [simplify]: iteration 2: 416 enodes
0.503 * * [simplify]: iteration 3: 1827 enodes
1.315 * * [simplify]: iteration complete: 5010 enodes
1.315 * * [simplify]: Extracting #0: cost 17 inf + 0
1.315 * * [simplify]: Extracting #1: cost 228 inf + 1
1.319 * * [simplify]: Extracting #2: cost 860 inf + 10659
1.337 * * [simplify]: Extracting #3: cost 1143 inf + 99514
1.427 * * [simplify]: Extracting #4: cost 337 inf + 305628
1.521 * * [simplify]: Extracting #5: cost 24 inf + 368865
1.633 * * [simplify]: Extracting #6: cost 24 inf + 371988
1.721 * * [simplify]: Extracting #7: cost 5 inf + 374427
1.817 * * [simplify]: Extracting #8: cost 0 inf + 375774
1.887 * [simplify]: Simplified to:
  (* (- 1.0 (* x 0.5)) x)
  (log (* (- 1.0 (* x 0.5)) x))
  (log (* (- 1.0 (* x 0.5)) x))
  (exp (* (- 1.0 (* x 0.5)) x))
  (* (* (- 1.0 (* x 0.5)) x) (* (* (- 1.0 (* x 0.5)) x) (* (- 1.0 (* x 0.5)) x)))
  (* (cbrt (* (- 1.0 (* x 0.5)) x)) (cbrt (* (- 1.0 (* x 0.5)) x)))
  (cbrt (* (- 1.0 (* x 0.5)) x))
  (* (* (- 1.0 (* x 0.5)) x) (* (* (- 1.0 (* x 0.5)) x) (* (- 1.0 (* x 0.5)) x)))
  (sqrt (* (- 1.0 (* x 0.5)) x))
  (sqrt (* (- 1.0 (* x 0.5)) x))
  (* (sqrt x) (sqrt (- 1.0 (* x 0.5))))
  (* (sqrt x) (sqrt (- 1.0 (* x 0.5))))
  (* x 1.0)
  (* 0.5 (* (- x) x))
  (* x 1.0)
  (* 0.5 (* (- x) x))
  (* x 1.0)
  (* 0.5 (* (- x) x))
  (* x 1.0)
  (* 0.5 (* (- x) x))
  (* x (* (cbrt (- 1.0 (* x 0.5))) (cbrt (- 1.0 (* x 0.5)))))
  (* x (sqrt (- 1.0 (* x 0.5))))
  x
  (* (cbrt x) (- 1.0 (* x 0.5)))
  (* (sqrt x) (- 1.0 (* x 0.5)))
  (* (- 1.0 (* x 0.5)) x)
  (* x (- (* 1.0 (* 1.0 1.0)) (* (* 0.5 x) (* (* 0.5 x) (* 0.5 x)))))
  (* (* (- 1.0 (* x 0.5)) x) (+ 1.0 (* x 0.5)))
  (* (- 1.0 (* x 0.5)) x)
  (* (- 1.0 (* x 0.5)) x)
  (* (- 1.0 (* x 0.5)) x)
1.888 * * * [progress]: adding candidates to table
1.980 * * [progress]: iteration 2 / 4
1.980 * * * [progress]: picking best candidate
1.983 * * * * [pick]: Picked  #<alt (λ (x) (+ (* 1.0 x) (* (- (* x 0.5)) x)))>
1.983 * * * [progress]: localizing error
1.992 * * * [progress]: generating rewritten candidates
1.992 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
1.999 * * * [progress]: generating series expansions
1.999 * * * * [progress]: [ 1 / 1 ] generating series at (2)
1.999 * [backup-simplify]: Simplify (+ (* 1.0 x) (* (- (* x 0.5)) x)) into (- (* 1.0 x) (* 0.5 (pow x 2)))
1.999 * [approximate]: Taking taylor expansion of (- (* 1.0 x) (* 0.5 (pow x 2))) in (x) around 0
1.999 * [taylor]: Taking taylor expansion of (- (* 1.0 x) (* 0.5 (pow x 2))) in x
1.999 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
1.999 * [taylor]: Taking taylor expansion of 1.0 in x
1.999 * [backup-simplify]: Simplify 1.0 into 1.0
1.999 * [taylor]: Taking taylor expansion of x in x
1.999 * [backup-simplify]: Simplify 0 into 0
1.999 * [backup-simplify]: Simplify 1 into 1
1.999 * [taylor]: Taking taylor expansion of (* 0.5 (pow x 2)) in x
1.999 * [taylor]: Taking taylor expansion of 0.5 in x
1.999 * [backup-simplify]: Simplify 0.5 into 0.5
1.999 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.999 * [taylor]: Taking taylor expansion of x in x
1.999 * [backup-simplify]: Simplify 0 into 0
1.999 * [backup-simplify]: Simplify 1 into 1
1.999 * [taylor]: Taking taylor expansion of (- (* 1.0 x) (* 0.5 (pow x 2))) in x
1.999 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
1.999 * [taylor]: Taking taylor expansion of 1.0 in x
1.999 * [backup-simplify]: Simplify 1.0 into 1.0
1.999 * [taylor]: Taking taylor expansion of x in x
1.999 * [backup-simplify]: Simplify 0 into 0
1.999 * [backup-simplify]: Simplify 1 into 1
1.999 * [taylor]: Taking taylor expansion of (* 0.5 (pow x 2)) in x
1.999 * [taylor]: Taking taylor expansion of 0.5 in x
1.999 * [backup-simplify]: Simplify 0.5 into 0.5
1.999 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.999 * [taylor]: Taking taylor expansion of x in x
1.999 * [backup-simplify]: Simplify 0 into 0
1.999 * [backup-simplify]: Simplify 1 into 1
2.000 * [backup-simplify]: Simplify (* 1.0 0) into 0
2.000 * [backup-simplify]: Simplify (+ 0 0) into 0
2.000 * [backup-simplify]: Simplify 0 into 0
2.001 * [backup-simplify]: Simplify (+ (* 1.0 1) (* 0 0)) into 1.0
2.001 * [backup-simplify]: Simplify (+ 1.0 0) into 1.0
2.001 * [backup-simplify]: Simplify 1.0 into 1.0
2.002 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 1) (* 0 0))) into 0
2.002 * [backup-simplify]: Simplify (* 1 1) into 1
2.003 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
2.003 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
2.004 * [backup-simplify]: Simplify (+ 0 (- 0.5)) into (- 0.5)
2.004 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
2.005 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
2.006 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
2.006 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
2.007 * [backup-simplify]: Simplify (- 0) into 0
2.007 * [backup-simplify]: Simplify (+ 0 0) into 0
2.007 * [backup-simplify]: Simplify 0 into 0
2.008 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))) into 0
2.009 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
2.010 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
2.010 * [backup-simplify]: Simplify (- 0) into 0
2.011 * [backup-simplify]: Simplify (+ 0 0) into 0
2.011 * [backup-simplify]: Simplify 0 into 0
2.012 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))))) into 0
2.013 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
2.014 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
2.014 * [backup-simplify]: Simplify (- 0) into 0
2.015 * [backup-simplify]: Simplify (+ 0 0) into 0
2.015 * [backup-simplify]: Simplify 0 into 0
2.016 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))))) into 0
2.017 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
2.019 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
2.019 * [backup-simplify]: Simplify (- 0) into 0
2.020 * [backup-simplify]: Simplify (+ 0 0) into 0
2.020 * [backup-simplify]: Simplify 0 into 0
2.022 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))))))) into 0
2.023 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
2.024 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
2.025 * [backup-simplify]: Simplify (- 0) into 0
2.025 * [backup-simplify]: Simplify (+ 0 0) into 0
2.025 * [backup-simplify]: Simplify 0 into 0
2.027 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))))))) into 0
2.029 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
2.030 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
2.031 * [backup-simplify]: Simplify (- 0) into 0
2.031 * [backup-simplify]: Simplify (+ 0 0) into 0
2.031 * [backup-simplify]: Simplify 0 into 0
2.032 * [backup-simplify]: Simplify (+ (* (- 0.5) (pow x 2)) (* 1.0 x)) into (- (* 1.0 x) (* 0.5 (pow x 2)))
2.032 * [backup-simplify]: Simplify (+ (* 1.0 (/ 1 x)) (* (- (* (/ 1 x) 0.5)) (/ 1 x))) into (- (* 1.0 (/ 1 x)) (* 0.5 (/ 1 (pow x 2))))
2.032 * [approximate]: Taking taylor expansion of (- (* 1.0 (/ 1 x)) (* 0.5 (/ 1 (pow x 2)))) in (x) around 0
2.032 * [taylor]: Taking taylor expansion of (- (* 1.0 (/ 1 x)) (* 0.5 (/ 1 (pow x 2)))) in x
2.032 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
2.032 * [taylor]: Taking taylor expansion of 1.0 in x
2.032 * [backup-simplify]: Simplify 1.0 into 1.0
2.032 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.032 * [taylor]: Taking taylor expansion of x in x
2.032 * [backup-simplify]: Simplify 0 into 0
2.032 * [backup-simplify]: Simplify 1 into 1
2.032 * [backup-simplify]: Simplify (/ 1 1) into 1
2.032 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow x 2))) in x
2.033 * [taylor]: Taking taylor expansion of 0.5 in x
2.033 * [backup-simplify]: Simplify 0.5 into 0.5
2.033 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.033 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.033 * [taylor]: Taking taylor expansion of x in x
2.033 * [backup-simplify]: Simplify 0 into 0
2.033 * [backup-simplify]: Simplify 1 into 1
2.033 * [backup-simplify]: Simplify (* 1 1) into 1
2.033 * [backup-simplify]: Simplify (/ 1 1) into 1
2.033 * [taylor]: Taking taylor expansion of (- (* 1.0 (/ 1 x)) (* 0.5 (/ 1 (pow x 2)))) in x
2.033 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
2.033 * [taylor]: Taking taylor expansion of 1.0 in x
2.033 * [backup-simplify]: Simplify 1.0 into 1.0
2.033 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.034 * [taylor]: Taking taylor expansion of x in x
2.034 * [backup-simplify]: Simplify 0 into 0
2.034 * [backup-simplify]: Simplify 1 into 1
2.034 * [backup-simplify]: Simplify (/ 1 1) into 1
2.034 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow x 2))) in x
2.034 * [taylor]: Taking taylor expansion of 0.5 in x
2.034 * [backup-simplify]: Simplify 0.5 into 0.5
2.034 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.034 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.034 * [taylor]: Taking taylor expansion of x in x
2.034 * [backup-simplify]: Simplify 0 into 0
2.034 * [backup-simplify]: Simplify 1 into 1
2.034 * [backup-simplify]: Simplify (* 1 1) into 1
2.034 * [backup-simplify]: Simplify (/ 1 1) into 1
2.035 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
2.035 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
2.035 * [backup-simplify]: Simplify (+ 0 (- 0.5)) into (- 0.5)
2.036 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
2.036 * [backup-simplify]: Simplify (* 1.0 1) into 1.0
2.036 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
2.037 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
2.037 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
2.037 * [backup-simplify]: Simplify (- 0) into 0
2.038 * [backup-simplify]: Simplify (+ 1.0 0) into 1.0
2.038 * [backup-simplify]: Simplify 1.0 into 1.0
2.038 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
2.039 * [backup-simplify]: Simplify (+ (* 1.0 0) (* 0 1)) into 0
2.039 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
2.040 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.040 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
2.040 * [backup-simplify]: Simplify (- 0) into 0
2.041 * [backup-simplify]: Simplify (+ 0 0) into 0
2.041 * [backup-simplify]: Simplify 0 into 0
2.041 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.042 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (* 0 1))) into 0
2.043 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
2.043 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.044 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
2.044 * [backup-simplify]: Simplify (- 0) into 0
2.044 * [backup-simplify]: Simplify (+ 0 0) into 0
2.044 * [backup-simplify]: Simplify 0 into 0
2.045 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.045 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
2.046 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
2.047 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.047 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
2.048 * [backup-simplify]: Simplify (- 0) into 0
2.048 * [backup-simplify]: Simplify (+ 0 0) into 0
2.048 * [backup-simplify]: Simplify 0 into 0
2.048 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.049 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
2.050 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
2.050 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.051 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
2.051 * [backup-simplify]: Simplify (- 0) into 0
2.051 * [backup-simplify]: Simplify (+ 0 0) into 0
2.052 * [backup-simplify]: Simplify 0 into 0
2.052 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.053 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
2.054 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
2.054 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.055 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
2.055 * [backup-simplify]: Simplify (- 0) into 0
2.056 * [backup-simplify]: Simplify (+ 0 0) into 0
2.056 * [backup-simplify]: Simplify 0 into 0
2.056 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.057 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
2.058 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0
2.058 * [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
2.059 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0
2.060 * [backup-simplify]: Simplify (- 0) into 0
2.060 * [backup-simplify]: Simplify (+ 0 0) into 0
2.060 * [backup-simplify]: Simplify 0 into 0
2.063 * [backup-simplify]: Simplify (+ (* 1.0 (/ 1 (/ 1 x))) (* (- 0.5) (pow (/ 1 (/ 1 x)) 2))) into (- (* 1.0 x) (* 0.5 (pow x 2)))
2.063 * [backup-simplify]: Simplify (+ (* 1.0 (/ 1 (- x))) (* (- (* (/ 1 (- x)) 0.5)) (/ 1 (- x)))) into (- (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x))))
2.063 * [approximate]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x)))) in (x) around 0
2.064 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x)))) in x
2.064 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x))) in x
2.064 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow x 2))) in x
2.064 * [taylor]: Taking taylor expansion of 0.5 in x
2.064 * [backup-simplify]: Simplify 0.5 into 0.5
2.064 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.064 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.064 * [taylor]: Taking taylor expansion of x in x
2.064 * [backup-simplify]: Simplify 0 into 0
2.064 * [backup-simplify]: Simplify 1 into 1
2.064 * [backup-simplify]: Simplify (* 1 1) into 1
2.064 * [backup-simplify]: Simplify (/ 1 1) into 1
2.064 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
2.064 * [taylor]: Taking taylor expansion of 1.0 in x
2.064 * [backup-simplify]: Simplify 1.0 into 1.0
2.064 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.064 * [taylor]: Taking taylor expansion of x in x
2.064 * [backup-simplify]: Simplify 0 into 0
2.064 * [backup-simplify]: Simplify 1 into 1
2.065 * [backup-simplify]: Simplify (/ 1 1) into 1
2.065 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x)))) in x
2.065 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x))) in x
2.065 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow x 2))) in x
2.065 * [taylor]: Taking taylor expansion of 0.5 in x
2.065 * [backup-simplify]: Simplify 0.5 into 0.5
2.065 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.065 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.065 * [taylor]: Taking taylor expansion of x in x
2.065 * [backup-simplify]: Simplify 0 into 0
2.065 * [backup-simplify]: Simplify 1 into 1
2.065 * [backup-simplify]: Simplify (* 1 1) into 1
2.065 * [backup-simplify]: Simplify (/ 1 1) into 1
2.065 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
2.066 * [taylor]: Taking taylor expansion of 1.0 in x
2.066 * [backup-simplify]: Simplify 1.0 into 1.0
2.066 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.066 * [taylor]: Taking taylor expansion of x in x
2.066 * [backup-simplify]: Simplify 0 into 0
2.066 * [backup-simplify]: Simplify 1 into 1
2.066 * [backup-simplify]: Simplify (/ 1 1) into 1
2.066 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
2.067 * [backup-simplify]: Simplify (+ 0.5 0) into 0.5
2.067 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
2.068 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
2.068 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
2.069 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
2.070 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
2.070 * [backup-simplify]: Simplify (* 1.0 1) into 1.0
2.071 * [backup-simplify]: Simplify (+ 0 1.0) into 1.0
2.071 * [backup-simplify]: Simplify (- 1.0) into (- 1.0)
2.071 * [backup-simplify]: Simplify (- 1.0) into (- 1.0)
2.072 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
2.073 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.074 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
2.075 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
2.075 * [backup-simplify]: Simplify (+ (* 1.0 0) (* 0 1)) into 0
2.076 * [backup-simplify]: Simplify (+ 0 0) into 0
2.076 * [backup-simplify]: Simplify (- 0) into 0
2.076 * [backup-simplify]: Simplify 0 into 0
2.077 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
2.078 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.079 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
2.080 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.081 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (* 0 1))) into 0
2.081 * [backup-simplify]: Simplify (+ 0 0) into 0
2.082 * [backup-simplify]: Simplify (- 0) into 0
2.082 * [backup-simplify]: Simplify 0 into 0
2.083 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
2.084 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.085 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
2.086 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.087 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
2.087 * [backup-simplify]: Simplify (+ 0 0) into 0
2.088 * [backup-simplify]: Simplify (- 0) into 0
2.088 * [backup-simplify]: Simplify 0 into 0
2.089 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
2.090 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.091 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
2.092 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.093 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
2.094 * [backup-simplify]: Simplify (+ 0 0) into 0
2.094 * [backup-simplify]: Simplify (- 0) into 0
2.094 * [backup-simplify]: Simplify 0 into 0
2.096 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
2.097 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.099 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
2.100 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.102 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
2.102 * [backup-simplify]: Simplify (+ 0 0) into 0
2.102 * [backup-simplify]: Simplify (- 0) into 0
2.102 * [backup-simplify]: Simplify 0 into 0
2.104 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0
2.105 * [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
2.107 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0
2.108 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.110 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
2.110 * [backup-simplify]: Simplify (+ 0 0) into 0
2.110 * [backup-simplify]: Simplify (- 0) into 0
2.110 * [backup-simplify]: Simplify 0 into 0
2.111 * [backup-simplify]: Simplify (+ (* (- 1.0) (/ 1 (/ 1 (- x)))) (* (- 0.5) (pow (/ 1 (/ 1 (- x))) 2))) into (- (* 1.0 x) (* 0.5 (pow x 2)))
2.112 * * * [progress]: simplifying candidates
2.112 * [simplify]: Simplifying:
  (* (exp (* 1.0 x)) (exp (* (- (* x 0.5)) x)))
  (log (+ (* 1.0 x) (* (- (* x 0.5)) x)))
  (exp (+ (* 1.0 x) (* (- (* x 0.5)) x)))
  (* (cbrt (+ (* 1.0 x) (* (- (* x 0.5)) x))) (cbrt (+ (* 1.0 x) (* (- (* x 0.5)) x))))
  (cbrt (+ (* 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)) x)))
  (sqrt (+ (* 1.0 x) (* (- (* x 0.5)) x)))
  (sqrt (+ (* 1.0 x) (* (- (* x 0.5)) x)))
  (+ (pow (* 1.0 x) 3) (pow (* (- (* x 0.5)) x) 3))
  (+ (* (* 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)) x))
  (+ 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)))
2.113 * * [simplify]: iteration 0: 34 enodes
2.124 * * [simplify]: iteration 1: 119 enodes
2.166 * * [simplify]: iteration 2: 455 enodes
2.536 * * [simplify]: iteration 3: 2254 enodes
4.175 * * [simplify]: iteration complete: 5001 enodes
4.175 * * [simplify]: Extracting #0: cost 12 inf + 0
4.175 * * [simplify]: Extracting #1: cost 117 inf + 0
4.177 * * [simplify]: Extracting #2: cost 813 inf + 1353
4.184 * * [simplify]: Extracting #3: cost 1252 inf + 17485
4.208 * * [simplify]: Extracting #4: cost 833 inf + 102386
4.296 * * [simplify]: Extracting #5: cost 227 inf + 266838
4.387 * * [simplify]: Extracting #6: cost 13 inf + 319243
4.491 * * [simplify]: Extracting #7: cost 0 inf + 320478
4.591 * [simplify]: Simplified to:
  (exp (* (- 1.0 (* 0.5 x)) x))
  (log (* (- 1.0 (* 0.5 x)) x))
  (exp (* (- 1.0 (* 0.5 x)) x))
  (* (cbrt (* (- 1.0 (* 0.5 x)) x)) (cbrt (* (- 1.0 (* 0.5 x)) x)))
  (cbrt (* (- 1.0 (* 0.5 x)) x))
  (* (* (- 1.0 (* 0.5 x)) x) (* (* x (- 1.0 (* 0.5 x))) (* x (- 1.0 (* 0.5 x)))))
  (sqrt (* (- 1.0 (* 0.5 x)) x))
  (sqrt (* (- 1.0 (* 0.5 x)) x))
  (- (* (* (* 1.0 x) (* 1.0 x)) (* 1.0 x)) (* (* (* (* x x) 0.5) (* (* x x) 0.5)) (* (* x x) 0.5)))
  (+ (* (* x 1.0) (* (* x x) 0.5)) (+ (* (* (* x x) 0.5) (* (* x x) 0.5)) (* (* 1.0 x) (* 1.0 x))))
  (- (* (* 1.0 x) (* 1.0 x)) (* (* (* x x) 0.5) (* (* x x) 0.5)))
  (* x (+ (* 0.5 x) 1.0))
  (- 1.0 (* 0.5 x))
  (* (- 1.0 (* 0.5 x)) x)
  (* (- 1.0 (* 0.5 x)) x)
  (* (- 1.0 (* 0.5 x)) x)
4.592 * * * [progress]: adding candidates to table
4.654 * [progress]: [Phase 3 of 3] Extracting.
4.654 * * [regime]: Finding splitpoints for: (#<alt (λ (x) (* x (- 1.0 (* x 0.5))))> #<alt (λ (x) (+ (* 1.0 x) (* (- (* x 0.5)) x)))>)
4.655 * * * [regime-changes]: Trying 2 branch expressions: ((* x (- 1.0 (* x 0.5))) x)
4.655 * * * * [regimes]: Trying to branch on (* x (- 1.0 (* x 0.5))) from (#<alt (λ (x) (* x (- 1.0 (* x 0.5))))> #<alt (λ (x) (+ (* 1.0 x) (* (- (* x 0.5)) x)))>)
4.696 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x) (* x (- 1.0 (* x 0.5))))> #<alt (λ (x) (+ (* 1.0 x) (* (- (* x 0.5)) x)))>)
4.718 * * * [regime]: Found split indices: #<option (#s(si 1 255))>
4.718 * [simplify]: Simplifying:
  (+ (* 1.0 x) (* (- (* x 0.5)) x))
4.719 * * [simplify]: iteration 0: 8 enodes
4.720 * * [simplify]: iteration 1: 18 enodes
4.721 * * [simplify]: iteration 2: 23 enodes
4.722 * * [simplify]: iteration 3: 24 enodes
4.723 * * [simplify]: iteration complete: 24 enodes
4.723 * * [simplify]: Extracting #0: cost 1 inf + 0
4.723 * * [simplify]: Extracting #1: cost 3 inf + 0
4.723 * * [simplify]: Extracting #2: cost 9 inf + 0
4.723 * * [simplify]: Extracting #3: cost 8 inf + 43
4.723 * * [simplify]: Extracting #4: cost 0 inf + 658
4.723 * [simplify]: Simplified to:
  (+ (* 1.0 x) (* (* 0.5 x) (- x)))
5.714 * [regime-testing]: Baseline error score: 0.00837320664126765
5.724 * [regime-testing]: Oracle error score: 0.00012501562695336918
5.742 * [regime-testing]: End program error score: 0.00837320664126765