17.293 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.016 * * * [progress]: [2/2] Setting up program.
0.019 * [progress]: [Phase 2 of 3] Improving.
0.019 * [simplify]: Simplifying:
  (* x (- 1.0 (* x 0.5)))
0.019 * * [simplify]: iteration 0: 6 enodes
0.021 * * [simplify]: iteration 1: 10 enodes
0.022 * * [simplify]: iteration 2: 23 enodes
0.027 * * [simplify]: iteration 3: 38 enodes
0.035 * * [simplify]: iteration 4: 44 enodes
0.041 * * [simplify]: iteration complete: 44 enodes
0.041 * * [simplify]: Extracting #0: cost 1 inf + 0
0.041 * * [simplify]: Extracting #1: cost 6 inf + 0
0.041 * * [simplify]: Extracting #2: cost 13 inf + 1
0.041 * * [simplify]: Extracting #3: cost 7 inf + 168
0.041 * * [simplify]: Extracting #4: cost 0 inf + 783
0.041 * [simplify]: Simplified to:
  (* (- 1.0 (* x 0.5)) x)
0.042 * * [progress]: iteration 1 / 4
0.042 * * * [progress]: picking best candidate
0.045 * * * * [pick]: Picked  #<alt (λ (x) (* x (- 1.0 (* x 0.5))))>
0.045 * * * [progress]: localizing error
0.051 * * * [progress]: generating rewritten candidates
0.051 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.076 * * * [progress]: generating series expansions
0.076 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.077 * [backup-simplify]: Simplify (* x (- 1.0 (* x 0.5))) into (* x (- 1.0 (* 0.5 x)))
0.077 * [approximate]: Taking taylor expansion of (* x (- 1.0 (* 0.5 x))) in (x) around 0
0.077 * [taylor]: Taking taylor expansion of (* x (- 1.0 (* 0.5 x))) in x
0.077 * [taylor]: Taking taylor expansion of x in x
0.077 * [backup-simplify]: Simplify 0 into 0
0.077 * [backup-simplify]: Simplify 1 into 1
0.077 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 x)) in x
0.077 * [taylor]: Taking taylor expansion of 1.0 in x
0.077 * [backup-simplify]: Simplify 1.0 into 1.0
0.077 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.077 * [taylor]: Taking taylor expansion of 0.5 in x
0.077 * [backup-simplify]: Simplify 0.5 into 0.5
0.077 * [taylor]: Taking taylor expansion of x in x
0.077 * [backup-simplify]: Simplify 0 into 0
0.077 * [backup-simplify]: Simplify 1 into 1
0.077 * [taylor]: Taking taylor expansion of (* x (- 1.0 (* 0.5 x))) in x
0.077 * [taylor]: Taking taylor expansion of x in x
0.077 * [backup-simplify]: Simplify 0 into 0
0.077 * [backup-simplify]: Simplify 1 into 1
0.077 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 x)) in x
0.077 * [taylor]: Taking taylor expansion of 1.0 in x
0.077 * [backup-simplify]: Simplify 1.0 into 1.0
0.077 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.077 * [taylor]: Taking taylor expansion of 0.5 in x
0.077 * [backup-simplify]: Simplify 0.5 into 0.5
0.077 * [taylor]: Taking taylor expansion of x in x
0.077 * [backup-simplify]: Simplify 0 into 0
0.077 * [backup-simplify]: Simplify 1 into 1
0.078 * [backup-simplify]: Simplify (* 0.5 0) into 0
0.079 * [backup-simplify]: Simplify (- 0) into 0
0.079 * [backup-simplify]: Simplify (+ 1.0 0) into 1.0
0.080 * [backup-simplify]: Simplify (* 0 1.0) into 0
0.080 * [backup-simplify]: Simplify 0 into 0
0.081 * [backup-simplify]: Simplify (+ (* 0.5 1) (* 0 0)) into 0.5
0.082 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
0.083 * [backup-simplify]: Simplify (+ 0 (- 0.5)) into (- 0.5)
0.085 * [backup-simplify]: Simplify (+ (* 0 (- 0.5)) (* 1 1.0)) into 1.0
0.085 * [backup-simplify]: Simplify 1.0 into 1.0
0.086 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 1) (* 0 0))) into 0
0.086 * [backup-simplify]: Simplify (- 0) into 0
0.086 * [backup-simplify]: Simplify (+ 0 0) into 0
0.090 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 (- 0.5)) (* 0 1.0))) into (- 0.5)
0.091 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
0.092 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
0.092 * [backup-simplify]: Simplify (- 0) into 0
0.093 * [backup-simplify]: Simplify (+ 0 0) into 0
0.094 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 (- 0.5)) (* 0 1.0)))) into 0
0.094 * [backup-simplify]: Simplify 0 into 0
0.096 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))) into 0
0.097 * [backup-simplify]: Simplify (- 0) into 0
0.097 * [backup-simplify]: Simplify (+ 0 0) into 0
0.099 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 (- 0.5)) (* 0 1.0))))) into 0
0.099 * [backup-simplify]: Simplify 0 into 0
0.100 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))))) into 0
0.100 * [backup-simplify]: Simplify (- 0) into 0
0.101 * [backup-simplify]: Simplify (+ 0 0) into 0
0.103 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (- 0.5)) (* 0 1.0)))))) into 0
0.103 * [backup-simplify]: Simplify 0 into 0
0.104 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))))) into 0
0.105 * [backup-simplify]: Simplify (- 0) into 0
0.105 * [backup-simplify]: Simplify (+ 0 0) into 0
0.107 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (- 0.5)) (* 0 1.0))))))) into 0
0.107 * [backup-simplify]: Simplify 0 into 0
0.109 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))))))) into 0
0.109 * [backup-simplify]: Simplify (- 0) into 0
0.110 * [backup-simplify]: Simplify (+ 0 0) into 0
0.112 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (- 0.5)) (* 0 1.0)))))))) into 0
0.112 * [backup-simplify]: Simplify 0 into 0
0.114 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))))))) into 0
0.114 * [backup-simplify]: Simplify (- 0) into 0
0.115 * [backup-simplify]: Simplify (+ 0 0) into 0
0.117 * [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
0.117 * [backup-simplify]: Simplify 0 into 0
0.118 * [backup-simplify]: Simplify (+ (* (- 0.5) (pow x 2)) (* 1.0 x)) into (- (* 1.0 x) (* 0.5 (pow x 2)))
0.118 * [backup-simplify]: Simplify (* (/ 1 x) (- 1.0 (* (/ 1 x) 0.5))) into (/ (- 1.0 (* 0.5 (/ 1 x))) x)
0.118 * [approximate]: Taking taylor expansion of (/ (- 1.0 (* 0.5 (/ 1 x))) x) in (x) around 0
0.118 * [taylor]: Taking taylor expansion of (/ (- 1.0 (* 0.5 (/ 1 x))) x) in x
0.118 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 (/ 1 x))) in x
0.118 * [taylor]: Taking taylor expansion of 1.0 in x
0.118 * [backup-simplify]: Simplify 1.0 into 1.0
0.118 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.118 * [taylor]: Taking taylor expansion of 0.5 in x
0.118 * [backup-simplify]: Simplify 0.5 into 0.5
0.118 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.118 * [taylor]: Taking taylor expansion of x in x
0.118 * [backup-simplify]: Simplify 0 into 0
0.118 * [backup-simplify]: Simplify 1 into 1
0.119 * [backup-simplify]: Simplify (/ 1 1) into 1
0.119 * [taylor]: Taking taylor expansion of x in x
0.119 * [backup-simplify]: Simplify 0 into 0
0.119 * [backup-simplify]: Simplify 1 into 1
0.119 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
0.119 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
0.120 * [backup-simplify]: Simplify (+ 0 (- 0.5)) into (- 0.5)
0.120 * [backup-simplify]: Simplify (/ (- 0.5) 1) into -0.5
0.120 * [taylor]: Taking taylor expansion of (/ (- 1.0 (* 0.5 (/ 1 x))) x) in x
0.120 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 (/ 1 x))) in x
0.120 * [taylor]: Taking taylor expansion of 1.0 in x
0.120 * [backup-simplify]: Simplify 1.0 into 1.0
0.120 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.120 * [taylor]: Taking taylor expansion of 0.5 in x
0.120 * [backup-simplify]: Simplify 0.5 into 0.5
0.120 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.120 * [taylor]: Taking taylor expansion of x in x
0.120 * [backup-simplify]: Simplify 0 into 0
0.120 * [backup-simplify]: Simplify 1 into 1
0.121 * [backup-simplify]: Simplify (/ 1 1) into 1
0.121 * [taylor]: Taking taylor expansion of x in x
0.121 * [backup-simplify]: Simplify 0 into 0
0.121 * [backup-simplify]: Simplify 1 into 1
0.121 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
0.121 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
0.122 * [backup-simplify]: Simplify (+ 0 (- 0.5)) into (- 0.5)
0.122 * [backup-simplify]: Simplify (/ (- 0.5) 1) into -0.5
0.123 * [backup-simplify]: Simplify -0.5 into -0.5
0.126 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.127 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
0.127 * [backup-simplify]: Simplify (- 0) into 0
0.127 * [backup-simplify]: Simplify (+ 1.0 0) into 1.0
0.129 * [backup-simplify]: Simplify (- (/ 1.0 1) (+ (* -0.5 (/ 0 1)))) into 1.0
0.129 * [backup-simplify]: Simplify 1.0 into 1.0
0.129 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.130 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
0.130 * [backup-simplify]: Simplify (- 0) into 0
0.130 * [backup-simplify]: Simplify (+ 0 0) into 0
0.131 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -0.5 (/ 0 1)) (* 1.0 (/ 0 1)))) into 0
0.131 * [backup-simplify]: Simplify 0 into 0
0.132 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.132 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.133 * [backup-simplify]: Simplify (- 0) into 0
0.133 * [backup-simplify]: Simplify (+ 0 0) into 0
0.133 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.134 * [backup-simplify]: Simplify 0 into 0
0.134 * [backup-simplify]: Simplify (- (+ (* 1 (/ 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 1))))) into 0
0.135 * [backup-simplify]: Simplify (- 0) 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)))) into 0
0.136 * [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)))) into 0
0.138 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
0.138 * [backup-simplify]: Simplify (- 0) 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)))) into 0
0.139 * [backup-simplify]: Simplify 0 into 0
0.139 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.140 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
0.140 * [backup-simplify]: Simplify (- 0) into 0
0.141 * [backup-simplify]: Simplify (+ 0 0) into 0
0.141 * [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
0.141 * [backup-simplify]: Simplify 0 into 0
0.142 * [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
0.143 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0
0.143 * [backup-simplify]: Simplify (- 0) into 0
0.144 * [backup-simplify]: Simplify (+ 0 0) into 0
0.144 * [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 0 into 0
0.145 * [backup-simplify]: Simplify (+ (* 1.0 (/ 1 (/ 1 x))) (* -0.5 (pow (/ 1 (/ 1 x)) 2))) into (- (* 1.0 x) (* 0.5 (pow x 2)))
0.145 * [backup-simplify]: Simplify (* (/ 1 (- x)) (- 1.0 (* (/ 1 (- x)) 0.5))) into (* -1 (/ (+ (* 0.5 (/ 1 x)) 1.0) x))
0.145 * [approximate]: Taking taylor expansion of (* -1 (/ (+ (* 0.5 (/ 1 x)) 1.0) x)) in (x) around 0
0.145 * [taylor]: Taking taylor expansion of (* -1 (/ (+ (* 0.5 (/ 1 x)) 1.0) x)) in x
0.145 * [taylor]: Taking taylor expansion of -1 in x
0.145 * [backup-simplify]: Simplify -1 into -1
0.145 * [taylor]: Taking taylor expansion of (/ (+ (* 0.5 (/ 1 x)) 1.0) x) in x
0.145 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) 1.0) in x
0.145 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.145 * [taylor]: Taking taylor expansion of 0.5 in x
0.145 * [backup-simplify]: Simplify 0.5 into 0.5
0.145 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.145 * [taylor]: Taking taylor expansion of x in x
0.145 * [backup-simplify]: Simplify 0 into 0
0.145 * [backup-simplify]: Simplify 1 into 1
0.145 * [backup-simplify]: Simplify (/ 1 1) into 1
0.145 * [taylor]: Taking taylor expansion of 1.0 in x
0.145 * [backup-simplify]: Simplify 1.0 into 1.0
0.145 * [taylor]: Taking taylor expansion of x in x
0.145 * [backup-simplify]: Simplify 0 into 0
0.145 * [backup-simplify]: Simplify 1 into 1
0.146 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
0.146 * [backup-simplify]: Simplify (+ 0.5 0) into 0.5
0.146 * [backup-simplify]: Simplify (/ 0.5 1) into 0.5
0.146 * [taylor]: Taking taylor expansion of (* -1 (/ (+ (* 0.5 (/ 1 x)) 1.0) x)) in x
0.146 * [taylor]: Taking taylor expansion of -1 in x
0.146 * [backup-simplify]: Simplify -1 into -1
0.146 * [taylor]: Taking taylor expansion of (/ (+ (* 0.5 (/ 1 x)) 1.0) x) in x
0.146 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) 1.0) in x
0.146 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.146 * [taylor]: Taking taylor expansion of 0.5 in x
0.146 * [backup-simplify]: Simplify 0.5 into 0.5
0.146 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.146 * [taylor]: Taking taylor expansion of x in x
0.146 * [backup-simplify]: Simplify 0 into 0
0.146 * [backup-simplify]: Simplify 1 into 1
0.147 * [backup-simplify]: Simplify (/ 1 1) into 1
0.147 * [taylor]: Taking taylor expansion of 1.0 in x
0.147 * [backup-simplify]: Simplify 1.0 into 1.0
0.147 * [taylor]: Taking taylor expansion of x in x
0.147 * [backup-simplify]: Simplify 0 into 0
0.147 * [backup-simplify]: Simplify 1 into 1
0.147 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
0.147 * [backup-simplify]: Simplify (+ 0.5 0) into 0.5
0.148 * [backup-simplify]: Simplify (/ 0.5 1) into 0.5
0.148 * [backup-simplify]: Simplify (* -1 0.5) into -0.5
0.148 * [backup-simplify]: Simplify -0.5 into -0.5
0.148 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.149 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
0.149 * [backup-simplify]: Simplify (+ 0 1.0) into 1.0
0.151 * [backup-simplify]: Simplify (- (/ 1.0 1) (+ (* 0.5 (/ 0 1)))) into 1.0
0.152 * [backup-simplify]: Simplify (+ (* -1 1.0) (* 0 0.5)) into (- 1.0)
0.153 * [backup-simplify]: Simplify (- 1.0) into (- 1.0)
0.154 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.155 * [backup-simplify]: Simplify (+ (* 0.5 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)))) into 0
0.157 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 1.0) (* 0 0.5))) into 0
0.157 * [backup-simplify]: Simplify 0 into 0
0.158 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.159 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.160 * [backup-simplify]: Simplify (+ 0 0) into 0
0.161 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.162 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 1.0) (* 0 0.5)))) into 0
0.163 * [backup-simplify]: Simplify 0 into 0
0.164 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.165 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.165 * [backup-simplify]: Simplify (+ 0 0) into 0
0.167 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.168 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1.0) (* 0 0.5))))) into 0
0.168 * [backup-simplify]: Simplify 0 into 0
0.169 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.171 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
0.171 * [backup-simplify]: Simplify (+ 0 0) into 0
0.173 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.174 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1.0) (* 0 0.5)))))) into 0
0.175 * [backup-simplify]: Simplify 0 into 0
0.176 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.178 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
0.178 * [backup-simplify]: Simplify (+ 0 0) into 0
0.179 * [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
0.182 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1.0) (* 0 0.5))))))) into 0
0.182 * [backup-simplify]: Simplify 0 into 0
0.182 * [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
0.184 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0
0.184 * [backup-simplify]: Simplify (+ 0 0) into 0
0.185 * [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
0.186 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1.0) (* 0 0.5)))))))) into 0
0.186 * [backup-simplify]: Simplify 0 into 0
0.187 * [backup-simplify]: Simplify (+ (* (- 1.0) (/ 1 (/ 1 (- x)))) (* -0.5 (pow (/ 1 (/ 1 (- x))) 2))) into (- (* 1.0 x) (* 0.5 (pow x 2)))
0.187 * * * [progress]: simplifying candidates
0.188 * [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)))
0.188 * * [simplify]: iteration 0: 51 enodes
0.202 * * [simplify]: iteration 1: 132 enodes
0.264 * * [simplify]: iteration 2: 416 enodes
0.560 * * [simplify]: iteration 3: 1827 enodes
1.396 * * [simplify]: iteration complete: 5010 enodes
1.396 * * [simplify]: Extracting #0: cost 17 inf + 0
1.397 * * [simplify]: Extracting #1: cost 228 inf + 1
1.401 * * [simplify]: Extracting #2: cost 860 inf + 10659
1.434 * * [simplify]: Extracting #3: cost 1143 inf + 99514
1.508 * * [simplify]: Extracting #4: cost 337 inf + 305628
1.615 * * [simplify]: Extracting #5: cost 24 inf + 368865
1.710 * * [simplify]: Extracting #6: cost 24 inf + 371988
1.844 * * [simplify]: Extracting #7: cost 5 inf + 374427
1.945 * * [simplify]: Extracting #8: cost 0 inf + 375774
2.025 * [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)
2.027 * * * [progress]: adding candidates to table
2.153 * * [progress]: iteration 2 / 4
2.153 * * * [progress]: picking best candidate
2.158 * * * * [pick]: Picked  #<alt (λ (x) (+ (* x 1.0) (* x (- (* x 0.5)))))>
2.158 * * * [progress]: localizing error
2.175 * * * [progress]: generating rewritten candidates
2.175 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
2.191 * * * [progress]: generating series expansions
2.191 * * * * [progress]: [ 1 / 1 ] generating series at (2)
2.191 * [backup-simplify]: Simplify (+ (* x 1.0) (* x (- (* x 0.5)))) into (- (* 1.0 x) (* 0.5 (pow x 2)))
2.192 * [approximate]: Taking taylor expansion of (- (* 1.0 x) (* 0.5 (pow x 2))) in (x) around 0
2.192 * [taylor]: Taking taylor expansion of (- (* 1.0 x) (* 0.5 (pow x 2))) in x
2.192 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
2.192 * [taylor]: Taking taylor expansion of 1.0 in x
2.192 * [backup-simplify]: Simplify 1.0 into 1.0
2.192 * [taylor]: Taking taylor expansion of x in x
2.192 * [backup-simplify]: Simplify 0 into 0
2.192 * [backup-simplify]: Simplify 1 into 1
2.192 * [taylor]: Taking taylor expansion of (* 0.5 (pow x 2)) in x
2.192 * [taylor]: Taking taylor expansion of 0.5 in x
2.192 * [backup-simplify]: Simplify 0.5 into 0.5
2.192 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.192 * [taylor]: Taking taylor expansion of x in x
2.192 * [backup-simplify]: Simplify 0 into 0
2.192 * [backup-simplify]: Simplify 1 into 1
2.192 * [taylor]: Taking taylor expansion of (- (* 1.0 x) (* 0.5 (pow x 2))) in x
2.192 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
2.192 * [taylor]: Taking taylor expansion of 1.0 in x
2.192 * [backup-simplify]: Simplify 1.0 into 1.0
2.192 * [taylor]: Taking taylor expansion of x in x
2.192 * [backup-simplify]: Simplify 0 into 0
2.192 * [backup-simplify]: Simplify 1 into 1
2.192 * [taylor]: Taking taylor expansion of (* 0.5 (pow x 2)) in x
2.192 * [taylor]: Taking taylor expansion of 0.5 in x
2.192 * [backup-simplify]: Simplify 0.5 into 0.5
2.192 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.192 * [taylor]: Taking taylor expansion of x in x
2.192 * [backup-simplify]: Simplify 0 into 0
2.192 * [backup-simplify]: Simplify 1 into 1
2.193 * [backup-simplify]: Simplify (* 1.0 0) into 0
2.193 * [backup-simplify]: Simplify (+ 0 0) into 0
2.193 * [backup-simplify]: Simplify 0 into 0
2.195 * [backup-simplify]: Simplify (+ (* 1.0 1) (* 0 0)) into 1.0
2.195 * [backup-simplify]: Simplify (+ 1.0 0) into 1.0
2.195 * [backup-simplify]: Simplify 1.0 into 1.0
2.196 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 1) (* 0 0))) into 0
2.197 * [backup-simplify]: Simplify (* 1 1) into 1
2.197 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
2.197 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
2.198 * [backup-simplify]: Simplify (+ 0 (- 0.5)) into (- 0.5)
2.199 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
2.200 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
2.200 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
2.201 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
2.201 * [backup-simplify]: Simplify (- 0) into 0
2.202 * [backup-simplify]: Simplify (+ 0 0) into 0
2.202 * [backup-simplify]: Simplify 0 into 0
2.203 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))) into 0
2.204 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
2.205 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
2.205 * [backup-simplify]: Simplify (- 0) into 0
2.205 * [backup-simplify]: Simplify (+ 0 0) into 0
2.205 * [backup-simplify]: Simplify 0 into 0
2.207 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))))) into 0
2.208 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
2.209 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
2.209 * [backup-simplify]: Simplify (- 0) into 0
2.209 * [backup-simplify]: Simplify (+ 0 0) into 0
2.209 * [backup-simplify]: Simplify 0 into 0
2.211 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))))) into 0
2.212 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
2.213 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
2.213 * [backup-simplify]: Simplify (- 0) into 0
2.214 * [backup-simplify]: Simplify (+ 0 0) into 0
2.214 * [backup-simplify]: Simplify 0 into 0
2.215 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))))))) into 0
2.217 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
2.218 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
2.218 * [backup-simplify]: Simplify (- 0) into 0
2.219 * [backup-simplify]: Simplify (+ 0 0) into 0
2.219 * [backup-simplify]: Simplify 0 into 0
2.220 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))))))) into 0
2.222 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
2.223 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
2.223 * [backup-simplify]: Simplify (- 0) into 0
2.224 * [backup-simplify]: Simplify (+ 0 0) into 0
2.224 * [backup-simplify]: Simplify 0 into 0
2.224 * [backup-simplify]: Simplify (+ (* (- 0.5) (pow x 2)) (* 1.0 x)) into (- (* 1.0 x) (* 0.5 (pow x 2)))
2.225 * [backup-simplify]: Simplify (+ (* (/ 1 x) 1.0) (* (/ 1 x) (- (* (/ 1 x) 0.5)))) into (- (* 1.0 (/ 1 x)) (* 0.5 (/ 1 (pow x 2))))
2.225 * [approximate]: Taking taylor expansion of (- (* 1.0 (/ 1 x)) (* 0.5 (/ 1 (pow x 2)))) in (x) around 0
2.225 * [taylor]: Taking taylor expansion of (- (* 1.0 (/ 1 x)) (* 0.5 (/ 1 (pow x 2)))) in x
2.225 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
2.225 * [taylor]: Taking taylor expansion of 1.0 in x
2.225 * [backup-simplify]: Simplify 1.0 into 1.0
2.225 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.225 * [taylor]: Taking taylor expansion of x in x
2.225 * [backup-simplify]: Simplify 0 into 0
2.225 * [backup-simplify]: Simplify 1 into 1
2.225 * [backup-simplify]: Simplify (/ 1 1) into 1
2.225 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow x 2))) in x
2.225 * [taylor]: Taking taylor expansion of 0.5 in x
2.225 * [backup-simplify]: Simplify 0.5 into 0.5
2.225 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.225 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.225 * [taylor]: Taking taylor expansion of x in x
2.225 * [backup-simplify]: Simplify 0 into 0
2.226 * [backup-simplify]: Simplify 1 into 1
2.226 * [backup-simplify]: Simplify (* 1 1) into 1
2.226 * [backup-simplify]: Simplify (/ 1 1) into 1
2.226 * [taylor]: Taking taylor expansion of (- (* 1.0 (/ 1 x)) (* 0.5 (/ 1 (pow x 2)))) in x
2.226 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
2.226 * [taylor]: Taking taylor expansion of 1.0 in x
2.226 * [backup-simplify]: Simplify 1.0 into 1.0
2.226 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.226 * [taylor]: Taking taylor expansion of x in x
2.226 * [backup-simplify]: Simplify 0 into 0
2.226 * [backup-simplify]: Simplify 1 into 1
2.227 * [backup-simplify]: Simplify (/ 1 1) into 1
2.227 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow x 2))) in x
2.227 * [taylor]: Taking taylor expansion of 0.5 in x
2.227 * [backup-simplify]: Simplify 0.5 into 0.5
2.227 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.227 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.227 * [taylor]: Taking taylor expansion of x in x
2.227 * [backup-simplify]: Simplify 0 into 0
2.227 * [backup-simplify]: Simplify 1 into 1
2.227 * [backup-simplify]: Simplify (* 1 1) into 1
2.228 * [backup-simplify]: Simplify (/ 1 1) into 1
2.228 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
2.229 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
2.229 * [backup-simplify]: Simplify (+ 0 (- 0.5)) into (- 0.5)
2.230 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
2.230 * [backup-simplify]: Simplify (* 1.0 1) into 1.0
2.231 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
2.231 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
2.232 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
2.232 * [backup-simplify]: Simplify (- 0) into 0
2.233 * [backup-simplify]: Simplify (+ 1.0 0) into 1.0
2.233 * [backup-simplify]: Simplify 1.0 into 1.0
2.233 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
2.234 * [backup-simplify]: Simplify (+ (* 1.0 0) (* 0 1)) into 0
2.235 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
2.236 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.237 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
2.237 * [backup-simplify]: Simplify (- 0) into 0
2.237 * [backup-simplify]: Simplify (+ 0 0) into 0
2.237 * [backup-simplify]: Simplify 0 into 0
2.238 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.239 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (* 0 1))) into 0
2.240 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
2.241 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.242 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
2.242 * [backup-simplify]: Simplify (- 0) into 0
2.243 * [backup-simplify]: Simplify (+ 0 0) into 0
2.243 * [backup-simplify]: Simplify 0 into 0
2.243 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.244 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
2.245 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
2.246 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.247 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
2.248 * [backup-simplify]: Simplify (- 0) into 0
2.248 * [backup-simplify]: Simplify (+ 0 0) into 0
2.248 * [backup-simplify]: Simplify 0 into 0
2.249 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.250 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
2.251 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
2.252 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.253 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
2.254 * [backup-simplify]: Simplify (- 0) into 0
2.254 * [backup-simplify]: Simplify (+ 0 0) into 0
2.254 * [backup-simplify]: Simplify 0 into 0
2.255 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.256 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
2.257 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
2.258 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.260 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
2.260 * [backup-simplify]: Simplify (- 0) into 0
2.260 * [backup-simplify]: Simplify (+ 0 0) into 0
2.260 * [backup-simplify]: Simplify 0 into 0
2.261 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.263 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
2.264 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0
2.265 * [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
2.267 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0
2.267 * [backup-simplify]: Simplify (- 0) into 0
2.268 * [backup-simplify]: Simplify (+ 0 0) into 0
2.268 * [backup-simplify]: Simplify 0 into 0
2.268 * [backup-simplify]: Simplify (+ (* 1.0 (/ 1 (/ 1 x))) (* (- 0.5) (pow (/ 1 (/ 1 x)) 2))) into (- (* 1.0 x) (* 0.5 (pow x 2)))
2.269 * [backup-simplify]: Simplify (+ (* (/ 1 (- x)) 1.0) (* (/ 1 (- x)) (- (* (/ 1 (- x)) 0.5)))) into (- (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x))))
2.269 * [approximate]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x)))) in (x) around 0
2.269 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x)))) in x
2.269 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x))) in x
2.269 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow x 2))) in x
2.269 * [taylor]: Taking taylor expansion of 0.5 in x
2.269 * [backup-simplify]: Simplify 0.5 into 0.5
2.269 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.269 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.269 * [taylor]: Taking taylor expansion of x in x
2.269 * [backup-simplify]: Simplify 0 into 0
2.269 * [backup-simplify]: Simplify 1 into 1
2.269 * [backup-simplify]: Simplify (* 1 1) into 1
2.270 * [backup-simplify]: Simplify (/ 1 1) into 1
2.270 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
2.270 * [taylor]: Taking taylor expansion of 1.0 in x
2.270 * [backup-simplify]: Simplify 1.0 into 1.0
2.270 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.270 * [taylor]: Taking taylor expansion of x in x
2.270 * [backup-simplify]: Simplify 0 into 0
2.270 * [backup-simplify]: Simplify 1 into 1
2.270 * [backup-simplify]: Simplify (/ 1 1) into 1
2.270 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x)))) in x
2.270 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x))) in x
2.270 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow x 2))) in x
2.270 * [taylor]: Taking taylor expansion of 0.5 in x
2.270 * [backup-simplify]: Simplify 0.5 into 0.5
2.270 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.270 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.270 * [taylor]: Taking taylor expansion of x in x
2.270 * [backup-simplify]: Simplify 0 into 0
2.270 * [backup-simplify]: Simplify 1 into 1
2.271 * [backup-simplify]: Simplify (* 1 1) into 1
2.271 * [backup-simplify]: Simplify (/ 1 1) into 1
2.271 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
2.271 * [taylor]: Taking taylor expansion of 1.0 in x
2.271 * [backup-simplify]: Simplify 1.0 into 1.0
2.271 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.271 * [taylor]: Taking taylor expansion of x in x
2.271 * [backup-simplify]: Simplify 0 into 0
2.271 * [backup-simplify]: Simplify 1 into 1
2.272 * [backup-simplify]: Simplify (/ 1 1) into 1
2.272 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
2.272 * [backup-simplify]: Simplify (+ 0.5 0) into 0.5
2.273 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
2.273 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
2.274 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
2.274 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
2.275 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
2.275 * [backup-simplify]: Simplify (* 1.0 1) into 1.0
2.276 * [backup-simplify]: Simplify (+ 0 1.0) into 1.0
2.276 * [backup-simplify]: Simplify (- 1.0) into (- 1.0)
2.276 * [backup-simplify]: Simplify (- 1.0) into (- 1.0)
2.277 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
2.278 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.279 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
2.280 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
2.280 * [backup-simplify]: Simplify (+ (* 1.0 0) (* 0 1)) into 0
2.281 * [backup-simplify]: Simplify (+ 0 0) into 0
2.281 * [backup-simplify]: Simplify (- 0) into 0
2.281 * [backup-simplify]: Simplify 0 into 0
2.282 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
2.283 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.284 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
2.285 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.286 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (* 0 1))) into 0
2.286 * [backup-simplify]: Simplify (+ 0 0) into 0
2.286 * [backup-simplify]: Simplify (- 0) into 0
2.286 * [backup-simplify]: Simplify 0 into 0
2.288 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
2.288 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.290 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
2.290 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.291 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
2.292 * [backup-simplify]: Simplify (+ 0 0) into 0
2.292 * [backup-simplify]: Simplify (- 0) into 0
2.292 * [backup-simplify]: Simplify 0 into 0
2.293 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
2.294 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.295 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
2.296 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.297 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
2.298 * [backup-simplify]: Simplify (+ 0 0) into 0
2.298 * [backup-simplify]: Simplify (- 0) into 0
2.298 * [backup-simplify]: Simplify 0 into 0
2.299 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
2.300 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.302 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
2.303 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.306 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
2.307 * [backup-simplify]: Simplify (+ 0 0) into 0
2.307 * [backup-simplify]: Simplify (- 0) into 0
2.307 * [backup-simplify]: Simplify 0 into 0
2.308 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0
2.309 * [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
2.311 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0
2.312 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.313 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
2.314 * [backup-simplify]: Simplify (+ 0 0) into 0
2.314 * [backup-simplify]: Simplify (- 0) into 0
2.314 * [backup-simplify]: Simplify 0 into 0
2.315 * [backup-simplify]: Simplify (+ (* (- 1.0) (/ 1 (/ 1 (- x)))) (* (- 0.5) (pow (/ 1 (/ 1 (- x))) 2))) into (- (* 1.0 x) (* 0.5 (pow x 2)))
2.315 * * * [progress]: simplifying candidates
2.316 * [simplify]: Simplifying:
  (* (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)))
2.316 * * [simplify]: iteration 0: 35 enodes
2.331 * * [simplify]: iteration 1: 118 enodes
2.385 * * [simplify]: iteration 2: 461 enodes
2.841 * * [simplify]: iteration 3: 2346 enodes
4.386 * * [simplify]: iteration complete: 5011 enodes
4.386 * * [simplify]: Extracting #0: cost 12 inf + 0
4.386 * * [simplify]: Extracting #1: cost 126 inf + 0
4.391 * * [simplify]: Extracting #2: cost 827 inf + 1507
4.406 * * [simplify]: Extracting #3: cost 1152 inf + 28791
4.473 * * [simplify]: Extracting #4: cost 438 inf + 183697
4.593 * * [simplify]: Extracting #5: cost 84 inf + 294663
4.677 * * [simplify]: Extracting #6: cost 18 inf + 310390
4.779 * * [simplify]: Extracting #7: cost 0 inf + 315756
4.888 * [simplify]: Simplified to:
  (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 1.0) (* (* x 1.0) (* x 1.0))) (* (* (* 0.5 x) x) (* (* (* 0.5 x) x) (* (* 0.5 x) x))))
  (+ (* (* (* 0.5 x) x) (* (* 0.5 x) x)) (* (* x 1.0) (* x (+ (* 0.5 x) 1.0))))
  (* (* x (- 1.0 (* 0.5 x))) (* x (+ (* 0.5 x) 1.0)))
  (* x (+ (* 0.5 x) 1.0))
  (- 1.0 (* 0.5 x))
  (* x (- 1.0 (* 0.5 x)))
  (* x (- 1.0 (* 0.5 x)))
  (* x (- 1.0 (* 0.5 x)))
4.890 * * * [progress]: adding candidates to table
4.975 * [progress]: [Phase 3 of 3] Extracting.
4.975 * * [regime]: Finding splitpoints for: (#<alt (λ (x) (* x (- 1.0 (* x 0.5))))> #<alt (λ (x) (+ (* x 1.0) (* x (- (* x 0.5)))))>)
4.975 * * * [regime-changes]: Trying 2 branch expressions: ((* x (- 1.0 (* x 0.5))) x)
4.975 * * * * [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)))))>)
5.022 * * * * [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)))))>)
5.067 * * * [regime]: Found split indices: #<option (#s(si 1 255))>
5.067 * [simplify]: Simplifying:
  (+ (* x 1.0) (* x (- (* x 0.5))))
5.067 * * [simplify]: iteration 0: 8 enodes
5.069 * * [simplify]: iteration 1: 18 enodes
5.071 * * [simplify]: iteration 2: 23 enodes
5.072 * * [simplify]: iteration 3: 24 enodes
5.073 * * [simplify]: iteration complete: 24 enodes
5.073 * * [simplify]: Extracting #0: cost 1 inf + 0
5.073 * * [simplify]: Extracting #1: cost 3 inf + 0
5.073 * * [simplify]: Extracting #2: cost 9 inf + 0
5.073 * * [simplify]: Extracting #3: cost 9 inf + 2
5.073 * * [simplify]: Extracting #4: cost 0 inf + 658
5.073 * [simplify]: Simplified to:
  (+ (* x 1.0) (* (- (* 0.5 x)) x))
6.076 * [regime-testing]: Baseline error score: 0.009751218902362795
6.094 * [regime-testing]: Oracle error score: 0.00037504688086010754
6.131 * [regime-testing]: End program error score: 0.009751218902362795