36.987 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.018 * * * [progress]: [2/2] Setting up program.
0.022 * [progress]: [Phase 2 of 3] Improving.
0.022 * [simplify]: Simplifying:
  (* x (- 1.0 (* x 0.5)))
0.022 * * [simplify]: iteration 0: 6 enodes
0.023 * * [simplify]: iteration 1: 10 enodes
0.026 * * [simplify]: iteration 2: 23 enodes
0.032 * * [simplify]: iteration 3: 45 enodes
0.044 * * [simplify]: iteration 4: 60 enodes
0.056 * * [simplify]: iteration complete: 60 enodes
0.056 * * [simplify]: Extracting #0: cost 1 inf + 0
0.056 * * [simplify]: Extracting #1: cost 14 inf + 0
0.056 * * [simplify]: Extracting #2: cost 10 inf + 44
0.057 * * [simplify]: Extracting #3: cost 2 inf + 609
0.057 * * [simplify]: Extracting #4: cost 0 inf + 783
0.058 * [simplify]: Simplified to:
  (* (- 1.0 (* x 0.5)) x)
0.059 * * [progress]: iteration 1 / 4
0.059 * * * [progress]: picking best candidate
0.063 * * * * [pick]: Picked  #<alt (λ (x) (* x (- 1.0 (* x 0.5))))>
0.063 * * * [progress]: localizing error
0.074 * * * [progress]: generating rewritten candidates
0.074 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.106 * * * [progress]: generating series expansions
0.107 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.107 * [backup-simplify]: Simplify (* x (- 1.0 (* x 0.5))) into (* x (- 1.0 (* 0.5 x)))
0.107 * [approximate]: Taking taylor expansion of (* x (- 1.0 (* 0.5 x))) in (x) around 0
0.107 * [taylor]: Taking taylor expansion of (* x (- 1.0 (* 0.5 x))) in x
0.107 * [taylor]: Taking taylor expansion of x in x
0.107 * [backup-simplify]: Simplify 0 into 0
0.107 * [backup-simplify]: Simplify 1 into 1
0.107 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 x)) in x
0.107 * [taylor]: Taking taylor expansion of 1.0 in x
0.107 * [backup-simplify]: Simplify 1.0 into 1.0
0.107 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.107 * [taylor]: Taking taylor expansion of 0.5 in x
0.107 * [backup-simplify]: Simplify 0.5 into 0.5
0.107 * [taylor]: Taking taylor expansion of x in x
0.107 * [backup-simplify]: Simplify 0 into 0
0.107 * [backup-simplify]: Simplify 1 into 1
0.107 * [taylor]: Taking taylor expansion of (* x (- 1.0 (* 0.5 x))) in x
0.107 * [taylor]: Taking taylor expansion of x in x
0.107 * [backup-simplify]: Simplify 0 into 0
0.107 * [backup-simplify]: Simplify 1 into 1
0.107 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 x)) in x
0.107 * [taylor]: Taking taylor expansion of 1.0 in x
0.107 * [backup-simplify]: Simplify 1.0 into 1.0
0.107 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.107 * [taylor]: Taking taylor expansion of 0.5 in x
0.107 * [backup-simplify]: Simplify 0.5 into 0.5
0.107 * [taylor]: Taking taylor expansion of x in x
0.107 * [backup-simplify]: Simplify 0 into 0
0.107 * [backup-simplify]: Simplify 1 into 1
0.108 * [backup-simplify]: Simplify (* 0.5 0) into 0
0.109 * [backup-simplify]: Simplify (- 0) into 0
0.109 * [backup-simplify]: Simplify (+ 1.0 0) into 1.0
0.109 * [backup-simplify]: Simplify (* 0 1.0) into 0
0.109 * [backup-simplify]: Simplify 0 into 0
0.111 * [backup-simplify]: Simplify (+ (* 0.5 1) (* 0 0)) into 0.5
0.111 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
0.112 * [backup-simplify]: Simplify (+ 0 (- 0.5)) into (- 0.5)
0.113 * [backup-simplify]: Simplify (+ (* 0 (- 0.5)) (* 1 1.0)) into 1.0
0.113 * [backup-simplify]: Simplify 1.0 into 1.0
0.114 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 1) (* 0 0))) into 0
0.115 * [backup-simplify]: Simplify (- 0) into 0
0.115 * [backup-simplify]: Simplify (+ 0 0) into 0
0.118 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 (- 0.5)) (* 0 1.0))) into (- 0.5)
0.118 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
0.119 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
0.119 * [backup-simplify]: Simplify (- 0) into 0
0.119 * [backup-simplify]: Simplify (+ 0 0) into 0
0.120 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 (- 0.5)) (* 0 1.0)))) into 0
0.120 * [backup-simplify]: Simplify 0 into 0
0.121 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))) into 0
0.121 * [backup-simplify]: Simplify (- 0) into 0
0.121 * [backup-simplify]: Simplify (+ 0 0) into 0
0.122 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 (- 0.5)) (* 0 1.0))))) into 0
0.122 * [backup-simplify]: Simplify 0 into 0
0.123 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))))) into 0
0.123 * [backup-simplify]: Simplify (- 0) into 0
0.124 * [backup-simplify]: Simplify (+ 0 0) into 0
0.125 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (- 0.5)) (* 0 1.0)))))) into 0
0.125 * [backup-simplify]: Simplify 0 into 0
0.125 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))))) into 0
0.126 * [backup-simplify]: Simplify (- 0) into 0
0.126 * [backup-simplify]: Simplify (+ 0 0) into 0
0.127 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (- 0.5)) (* 0 1.0))))))) into 0
0.127 * [backup-simplify]: Simplify 0 into 0
0.128 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))))))) into 0
0.128 * [backup-simplify]: Simplify (- 0) into 0
0.128 * [backup-simplify]: Simplify (+ 0 0) into 0
0.130 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (- 0.5)) (* 0 1.0)))))))) into 0
0.130 * [backup-simplify]: Simplify 0 into 0
0.131 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))))))) into 0
0.131 * [backup-simplify]: Simplify (- 0) into 0
0.131 * [backup-simplify]: Simplify (+ 0 0) into 0
0.133 * [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
0.133 * [backup-simplify]: Simplify 0 into 0
0.133 * [backup-simplify]: Simplify (+ (* (- 0.5) (pow x 2)) (* 1.0 x)) into (- (* 1.0 x) (* 0.5 (pow x 2)))
0.133 * [backup-simplify]: Simplify (* (/ 1 x) (- 1.0 (* (/ 1 x) 0.5))) into (/ (- 1.0 (* 0.5 (/ 1 x))) x)
0.133 * [approximate]: Taking taylor expansion of (/ (- 1.0 (* 0.5 (/ 1 x))) x) in (x) around 0
0.133 * [taylor]: Taking taylor expansion of (/ (- 1.0 (* 0.5 (/ 1 x))) x) in x
0.133 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 (/ 1 x))) in x
0.133 * [taylor]: Taking taylor expansion of 1.0 in x
0.133 * [backup-simplify]: Simplify 1.0 into 1.0
0.133 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.134 * [taylor]: Taking taylor expansion of 0.5 in x
0.134 * [backup-simplify]: Simplify 0.5 into 0.5
0.134 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.134 * [taylor]: Taking taylor expansion of x in x
0.134 * [backup-simplify]: Simplify 0 into 0
0.134 * [backup-simplify]: Simplify 1 into 1
0.134 * [backup-simplify]: Simplify (/ 1 1) into 1
0.134 * [taylor]: Taking taylor expansion of x in x
0.134 * [backup-simplify]: Simplify 0 into 0
0.134 * [backup-simplify]: Simplify 1 into 1
0.134 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
0.134 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
0.135 * [backup-simplify]: Simplify (+ 0 (- 0.5)) into (- 0.5)
0.136 * [backup-simplify]: Simplify (/ (- 0.5) 1) into -0.5
0.136 * [taylor]: Taking taylor expansion of (/ (- 1.0 (* 0.5 (/ 1 x))) x) in x
0.136 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 (/ 1 x))) in x
0.136 * [taylor]: Taking taylor expansion of 1.0 in x
0.136 * [backup-simplify]: Simplify 1.0 into 1.0
0.136 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.136 * [taylor]: Taking taylor expansion of 0.5 in x
0.136 * [backup-simplify]: Simplify 0.5 into 0.5
0.136 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.136 * [taylor]: Taking taylor expansion of x in x
0.136 * [backup-simplify]: Simplify 0 into 0
0.136 * [backup-simplify]: Simplify 1 into 1
0.136 * [backup-simplify]: Simplify (/ 1 1) into 1
0.136 * [taylor]: Taking taylor expansion of x in x
0.136 * [backup-simplify]: Simplify 0 into 0
0.136 * [backup-simplify]: Simplify 1 into 1
0.136 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
0.137 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
0.137 * [backup-simplify]: Simplify (+ 0 (- 0.5)) into (- 0.5)
0.138 * [backup-simplify]: Simplify (/ (- 0.5) 1) into -0.5
0.138 * [backup-simplify]: Simplify -0.5 into -0.5
0.138 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.139 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
0.139 * [backup-simplify]: Simplify (- 0) into 0
0.139 * [backup-simplify]: Simplify (+ 1.0 0) into 1.0
0.140 * [backup-simplify]: Simplify (- (/ 1.0 1) (+ (* -0.5 (/ 0 1)))) into 1.0
0.140 * [backup-simplify]: Simplify 1.0 into 1.0
0.141 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.141 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
0.142 * [backup-simplify]: Simplify (- 0) 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)))) into 0
0.143 * [backup-simplify]: Simplify 0 into 0
0.143 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.144 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.144 * [backup-simplify]: Simplify (- 0) into 0
0.144 * [backup-simplify]: Simplify (+ 0 0) into 0
0.145 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.145 * [backup-simplify]: Simplify 0 into 0
0.145 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.146 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.146 * [backup-simplify]: Simplify (- 0) into 0
0.147 * [backup-simplify]: Simplify (+ 0 0) into 0
0.147 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) 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)))) into 0
0.149 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
0.150 * [backup-simplify]: Simplify (- 0) 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)))) into 0
0.151 * [backup-simplify]: Simplify 0 into 0
0.152 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.153 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
0.154 * [backup-simplify]: Simplify (- 0) into 0
0.154 * [backup-simplify]: Simplify (+ 0 0) into 0
0.155 * [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
0.155 * [backup-simplify]: Simplify 0 into 0
0.156 * [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
0.157 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0
0.158 * [backup-simplify]: Simplify (- 0) into 0
0.158 * [backup-simplify]: Simplify (+ 0 0) into 0
0.159 * [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
0.159 * [backup-simplify]: Simplify 0 into 0
0.159 * [backup-simplify]: Simplify (+ (* 1.0 (/ 1 (/ 1 x))) (* -0.5 (pow (/ 1 (/ 1 x)) 2))) into (- (* 1.0 x) (* 0.5 (pow x 2)))
0.160 * [backup-simplify]: Simplify (* (/ 1 (- x)) (- 1.0 (* (/ 1 (- x)) 0.5))) into (* -1 (/ (+ (* 0.5 (/ 1 x)) 1.0) x))
0.160 * [approximate]: Taking taylor expansion of (* -1 (/ (+ (* 0.5 (/ 1 x)) 1.0) x)) in (x) around 0
0.160 * [taylor]: Taking taylor expansion of (* -1 (/ (+ (* 0.5 (/ 1 x)) 1.0) x)) in x
0.160 * [taylor]: Taking taylor expansion of -1 in x
0.160 * [backup-simplify]: Simplify -1 into -1
0.160 * [taylor]: Taking taylor expansion of (/ (+ (* 0.5 (/ 1 x)) 1.0) x) in x
0.160 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) 1.0) in x
0.160 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.160 * [taylor]: Taking taylor expansion of 0.5 in x
0.160 * [backup-simplify]: Simplify 0.5 into 0.5
0.160 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.160 * [taylor]: Taking taylor expansion of x in x
0.160 * [backup-simplify]: Simplify 0 into 0
0.160 * [backup-simplify]: Simplify 1 into 1
0.160 * [backup-simplify]: Simplify (/ 1 1) into 1
0.160 * [taylor]: Taking taylor expansion of 1.0 in x
0.160 * [backup-simplify]: Simplify 1.0 into 1.0
0.160 * [taylor]: Taking taylor expansion of x in x
0.160 * [backup-simplify]: Simplify 0 into 0
0.161 * [backup-simplify]: Simplify 1 into 1
0.161 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
0.161 * [backup-simplify]: Simplify (+ 0.5 0) into 0.5
0.162 * [backup-simplify]: Simplify (/ 0.5 1) into 0.5
0.162 * [taylor]: Taking taylor expansion of (* -1 (/ (+ (* 0.5 (/ 1 x)) 1.0) x)) in x
0.162 * [taylor]: Taking taylor expansion of -1 in x
0.162 * [backup-simplify]: Simplify -1 into -1
0.162 * [taylor]: Taking taylor expansion of (/ (+ (* 0.5 (/ 1 x)) 1.0) x) in x
0.162 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) 1.0) in x
0.162 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.162 * [taylor]: Taking taylor expansion of 0.5 in x
0.162 * [backup-simplify]: Simplify 0.5 into 0.5
0.162 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.162 * [taylor]: Taking taylor expansion of x in x
0.162 * [backup-simplify]: Simplify 0 into 0
0.162 * [backup-simplify]: Simplify 1 into 1
0.162 * [backup-simplify]: Simplify (/ 1 1) into 1
0.162 * [taylor]: Taking taylor expansion of 1.0 in x
0.162 * [backup-simplify]: Simplify 1.0 into 1.0
0.162 * [taylor]: Taking taylor expansion of x in x
0.162 * [backup-simplify]: Simplify 0 into 0
0.162 * [backup-simplify]: Simplify 1 into 1
0.163 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
0.163 * [backup-simplify]: Simplify (+ 0.5 0) into 0.5
0.164 * [backup-simplify]: Simplify (/ 0.5 1) into 0.5
0.164 * [backup-simplify]: Simplify (* -1 0.5) into -0.5
0.164 * [backup-simplify]: Simplify -0.5 into -0.5
0.165 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.165 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
0.166 * [backup-simplify]: Simplify (+ 0 1.0) into 1.0
0.168 * [backup-simplify]: Simplify (- (/ 1.0 1) (+ (* 0.5 (/ 0 1)))) into 1.0
0.169 * [backup-simplify]: Simplify (+ (* -1 1.0) (* 0 0.5)) into (- 1.0)
0.170 * [backup-simplify]: Simplify (- 1.0) into (- 1.0)
0.170 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.171 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
0.172 * [backup-simplify]: Simplify (+ 0 0) into 0
0.172 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)) (* 1.0 (/ 0 1)))) into 0
0.173 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 1.0) (* 0 0.5))) into 0
0.173 * [backup-simplify]: Simplify 0 into 0
0.174 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.175 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.175 * [backup-simplify]: Simplify (+ 0 0) into 0
0.176 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.178 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 1.0) (* 0 0.5)))) into 0
0.178 * [backup-simplify]: Simplify 0 into 0
0.179 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.180 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.180 * [backup-simplify]: Simplify (+ 0 0) into 0
0.181 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.183 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1.0) (* 0 0.5))))) into 0
0.183 * [backup-simplify]: Simplify 0 into 0
0.184 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.185 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
0.185 * [backup-simplify]: Simplify (+ 0 0) into 0
0.186 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.188 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1.0) (* 0 0.5)))))) into 0
0.188 * [backup-simplify]: Simplify 0 into 0
0.189 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.191 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
0.191 * [backup-simplify]: Simplify (+ 0 0) into 0
0.192 * [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
0.194 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1.0) (* 0 0.5))))))) into 0
0.194 * [backup-simplify]: Simplify 0 into 0
0.195 * [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
0.196 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0
0.197 * [backup-simplify]: Simplify (+ 0 0) into 0
0.198 * [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
0.200 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1.0) (* 0 0.5)))))))) into 0
0.200 * [backup-simplify]: Simplify 0 into 0
0.200 * [backup-simplify]: Simplify (+ (* (- 1.0) (/ 1 (/ 1 (- x)))) (* -0.5 (pow (/ 1 (/ 1 (- x))) 2))) into (- (* 1.0 x) (* 0.5 (pow x 2)))
0.201 * * * [progress]: simplifying candidates
0.201 * [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)))
0.203 * * [simplify]: iteration 0: 71 enodes
0.237 * * [simplify]: iteration 1: 174 enodes
0.322 * * [simplify]: iteration 2: 721 enodes
0.601 * * [simplify]: iteration complete: 5000 enodes
0.602 * * [simplify]: Extracting #0: cost 29 inf + 0
0.604 * * [simplify]: Extracting #1: cost 757 inf + 1
0.625 * * [simplify]: Extracting #2: cost 1683 inf + 11218
0.650 * * [simplify]: Extracting #3: cost 1087 inf + 147616
0.709 * * [simplify]: Extracting #4: cost 227 inf + 287955
0.797 * * [simplify]: Extracting #5: cost 14 inf + 324980
0.879 * * [simplify]: Extracting #6: cost 1 inf + 328542
0.951 * * [simplify]: Extracting #7: cost 0 inf + 328836
1.059 * [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)))
1.061 * * * [progress]: adding candidates to table
1.182 * * [progress]: iteration 2 / 4
1.182 * * * [progress]: picking best candidate
1.185 * * * * [pick]: Picked  #<alt (λ (x) (+ (* 1.0 x) (* (- (* x 0.5)) x)))>
1.185 * * * [progress]: localizing error
1.196 * * * [progress]: generating rewritten candidates
1.196 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
1.208 * * * [progress]: generating series expansions
1.209 * * * * [progress]: [ 1 / 1 ] generating series at (2)
1.209 * [backup-simplify]: Simplify (+ (* 1.0 x) (* (- (* x 0.5)) x)) into (- (* 1.0 x) (* 0.5 (pow x 2)))
1.209 * [approximate]: Taking taylor expansion of (- (* 1.0 x) (* 0.5 (pow x 2))) in (x) around 0
1.209 * [taylor]: Taking taylor expansion of (- (* 1.0 x) (* 0.5 (pow x 2))) in x
1.209 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
1.209 * [taylor]: Taking taylor expansion of 1.0 in x
1.209 * [backup-simplify]: Simplify 1.0 into 1.0
1.209 * [taylor]: Taking taylor expansion of x in x
1.209 * [backup-simplify]: Simplify 0 into 0
1.209 * [backup-simplify]: Simplify 1 into 1
1.209 * [taylor]: Taking taylor expansion of (* 0.5 (pow x 2)) in x
1.209 * [taylor]: Taking taylor expansion of 0.5 in x
1.209 * [backup-simplify]: Simplify 0.5 into 0.5
1.209 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.209 * [taylor]: Taking taylor expansion of x in x
1.209 * [backup-simplify]: Simplify 0 into 0
1.209 * [backup-simplify]: Simplify 1 into 1
1.209 * [taylor]: Taking taylor expansion of (- (* 1.0 x) (* 0.5 (pow x 2))) in x
1.209 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
1.209 * [taylor]: Taking taylor expansion of 1.0 in x
1.209 * [backup-simplify]: Simplify 1.0 into 1.0
1.209 * [taylor]: Taking taylor expansion of x in x
1.210 * [backup-simplify]: Simplify 0 into 0
1.210 * [backup-simplify]: Simplify 1 into 1
1.210 * [taylor]: Taking taylor expansion of (* 0.5 (pow x 2)) in x
1.210 * [taylor]: Taking taylor expansion of 0.5 in x
1.210 * [backup-simplify]: Simplify 0.5 into 0.5
1.210 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.210 * [taylor]: Taking taylor expansion of x in x
1.210 * [backup-simplify]: Simplify 0 into 0
1.210 * [backup-simplify]: Simplify 1 into 1
1.210 * [backup-simplify]: Simplify (* 1.0 0) into 0
1.211 * [backup-simplify]: Simplify (+ 0 0) into 0
1.211 * [backup-simplify]: Simplify 0 into 0
1.212 * [backup-simplify]: Simplify (+ (* 1.0 1) (* 0 0)) into 1.0
1.213 * [backup-simplify]: Simplify (+ 1.0 0) into 1.0
1.213 * [backup-simplify]: Simplify 1.0 into 1.0
1.214 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 1) (* 0 0))) into 0
1.214 * [backup-simplify]: Simplify (* 1 1) into 1
1.215 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
1.215 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
1.216 * [backup-simplify]: Simplify (+ 0 (- 0.5)) into (- 0.5)
1.216 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
1.217 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
1.218 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
1.219 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
1.219 * [backup-simplify]: Simplify (- 0) into 0
1.220 * [backup-simplify]: Simplify (+ 0 0) into 0
1.220 * [backup-simplify]: Simplify 0 into 0
1.221 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))) into 0
1.222 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
1.223 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
1.223 * [backup-simplify]: Simplify (- 0) into 0
1.223 * [backup-simplify]: Simplify (+ 0 0) into 0
1.223 * [backup-simplify]: Simplify 0 into 0
1.225 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))))) into 0
1.226 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
1.227 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
1.227 * [backup-simplify]: Simplify (- 0) into 0
1.227 * [backup-simplify]: Simplify (+ 0 0) into 0
1.227 * [backup-simplify]: Simplify 0 into 0
1.229 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))))) into 0
1.230 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
1.231 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
1.232 * [backup-simplify]: Simplify (- 0) into 0
1.232 * [backup-simplify]: Simplify (+ 0 0) into 0
1.232 * [backup-simplify]: Simplify 0 into 0
1.234 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))))))) into 0
1.235 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
1.237 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
1.237 * [backup-simplify]: Simplify (- 0) into 0
1.237 * [backup-simplify]: Simplify (+ 0 0) into 0
1.237 * [backup-simplify]: Simplify 0 into 0
1.239 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))))))) into 0
1.241 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
1.242 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
1.243 * [backup-simplify]: Simplify (- 0) into 0
1.243 * [backup-simplify]: Simplify (+ 0 0) into 0
1.243 * [backup-simplify]: Simplify 0 into 0
1.244 * [backup-simplify]: Simplify (+ (* (- 0.5) (pow x 2)) (* 1.0 x)) into (- (* 1.0 x) (* 0.5 (pow x 2)))
1.244 * [backup-simplify]: Simplify (+ (* 1.0 (/ 1 x)) (* (- (* (/ 1 x) 0.5)) (/ 1 x))) into (- (* 1.0 (/ 1 x)) (* 0.5 (/ 1 (pow x 2))))
1.244 * [approximate]: Taking taylor expansion of (- (* 1.0 (/ 1 x)) (* 0.5 (/ 1 (pow x 2)))) in (x) around 0
1.244 * [taylor]: Taking taylor expansion of (- (* 1.0 (/ 1 x)) (* 0.5 (/ 1 (pow x 2)))) in x
1.244 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
1.244 * [taylor]: Taking taylor expansion of 1.0 in x
1.244 * [backup-simplify]: Simplify 1.0 into 1.0
1.244 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.244 * [taylor]: Taking taylor expansion of x in x
1.244 * [backup-simplify]: Simplify 0 into 0
1.245 * [backup-simplify]: Simplify 1 into 1
1.245 * [backup-simplify]: Simplify (/ 1 1) into 1
1.245 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow x 2))) in x
1.245 * [taylor]: Taking taylor expansion of 0.5 in x
1.245 * [backup-simplify]: Simplify 0.5 into 0.5
1.245 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.245 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.245 * [taylor]: Taking taylor expansion of x in x
1.245 * [backup-simplify]: Simplify 0 into 0
1.245 * [backup-simplify]: Simplify 1 into 1
1.246 * [backup-simplify]: Simplify (* 1 1) into 1
1.246 * [backup-simplify]: Simplify (/ 1 1) into 1
1.246 * [taylor]: Taking taylor expansion of (- (* 1.0 (/ 1 x)) (* 0.5 (/ 1 (pow x 2)))) in x
1.246 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
1.246 * [taylor]: Taking taylor expansion of 1.0 in x
1.246 * [backup-simplify]: Simplify 1.0 into 1.0
1.246 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.246 * [taylor]: Taking taylor expansion of x in x
1.246 * [backup-simplify]: Simplify 0 into 0
1.246 * [backup-simplify]: Simplify 1 into 1
1.247 * [backup-simplify]: Simplify (/ 1 1) into 1
1.247 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow x 2))) in x
1.247 * [taylor]: Taking taylor expansion of 0.5 in x
1.247 * [backup-simplify]: Simplify 0.5 into 0.5
1.247 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.247 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.247 * [taylor]: Taking taylor expansion of x in x
1.247 * [backup-simplify]: Simplify 0 into 0
1.247 * [backup-simplify]: Simplify 1 into 1
1.247 * [backup-simplify]: Simplify (* 1 1) into 1
1.248 * [backup-simplify]: Simplify (/ 1 1) into 1
1.248 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
1.248 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
1.249 * [backup-simplify]: Simplify (+ 0 (- 0.5)) into (- 0.5)
1.250 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
1.250 * [backup-simplify]: Simplify (* 1.0 1) into 1.0
1.251 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
1.251 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
1.252 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
1.253 * [backup-simplify]: Simplify (- 0) into 0
1.253 * [backup-simplify]: Simplify (+ 1.0 0) into 1.0
1.253 * [backup-simplify]: Simplify 1.0 into 1.0
1.254 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
1.255 * [backup-simplify]: Simplify (+ (* 1.0 0) (* 0 1)) into 0
1.256 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
1.256 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.257 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
1.258 * [backup-simplify]: Simplify (- 0) into 0
1.258 * [backup-simplify]: Simplify (+ 0 0) into 0
1.258 * [backup-simplify]: Simplify 0 into 0
1.259 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.260 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (* 0 1))) into 0
1.261 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
1.262 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.263 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
1.263 * [backup-simplify]: Simplify (- 0) into 0
1.264 * [backup-simplify]: Simplify (+ 0 0) into 0
1.264 * [backup-simplify]: Simplify 0 into 0
1.265 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.266 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
1.267 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
1.268 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.270 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
1.270 * [backup-simplify]: Simplify (- 0) into 0
1.270 * [backup-simplify]: Simplify (+ 0 0) into 0
1.270 * [backup-simplify]: Simplify 0 into 0
1.271 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.272 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
1.274 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
1.275 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.276 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
1.276 * [backup-simplify]: Simplify (- 0) into 0
1.277 * [backup-simplify]: Simplify (+ 0 0) into 0
1.277 * [backup-simplify]: Simplify 0 into 0
1.278 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.279 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
1.281 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
1.282 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.283 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
1.284 * [backup-simplify]: Simplify (- 0) into 0
1.284 * [backup-simplify]: Simplify (+ 0 0) into 0
1.284 * [backup-simplify]: Simplify 0 into 0
1.285 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.287 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
1.288 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0
1.289 * [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
1.291 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0
1.291 * [backup-simplify]: Simplify (- 0) into 0
1.292 * [backup-simplify]: Simplify (+ 0 0) into 0
1.292 * [backup-simplify]: Simplify 0 into 0
1.293 * [backup-simplify]: Simplify (+ (* 1.0 (/ 1 (/ 1 x))) (* (- 0.5) (pow (/ 1 (/ 1 x)) 2))) into (- (* 1.0 x) (* 0.5 (pow x 2)))
1.293 * [backup-simplify]: Simplify (+ (* 1.0 (/ 1 (- x))) (* (- (* (/ 1 (- x)) 0.5)) (/ 1 (- x)))) into (- (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x))))
1.293 * [approximate]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x)))) in (x) around 0
1.293 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x)))) in x
1.293 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x))) in x
1.293 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow x 2))) in x
1.293 * [taylor]: Taking taylor expansion of 0.5 in x
1.293 * [backup-simplify]: Simplify 0.5 into 0.5
1.293 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.293 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.293 * [taylor]: Taking taylor expansion of x in x
1.293 * [backup-simplify]: Simplify 0 into 0
1.293 * [backup-simplify]: Simplify 1 into 1
1.294 * [backup-simplify]: Simplify (* 1 1) into 1
1.294 * [backup-simplify]: Simplify (/ 1 1) into 1
1.294 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
1.294 * [taylor]: Taking taylor expansion of 1.0 in x
1.294 * [backup-simplify]: Simplify 1.0 into 1.0
1.294 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.294 * [taylor]: Taking taylor expansion of x in x
1.294 * [backup-simplify]: Simplify 0 into 0
1.294 * [backup-simplify]: Simplify 1 into 1
1.295 * [backup-simplify]: Simplify (/ 1 1) into 1
1.295 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x)))) in x
1.295 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x))) in x
1.295 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow x 2))) in x
1.295 * [taylor]: Taking taylor expansion of 0.5 in x
1.295 * [backup-simplify]: Simplify 0.5 into 0.5
1.295 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.295 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.295 * [taylor]: Taking taylor expansion of x in x
1.295 * [backup-simplify]: Simplify 0 into 0
1.295 * [backup-simplify]: Simplify 1 into 1
1.295 * [backup-simplify]: Simplify (* 1 1) into 1
1.296 * [backup-simplify]: Simplify (/ 1 1) into 1
1.296 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
1.296 * [taylor]: Taking taylor expansion of 1.0 in x
1.296 * [backup-simplify]: Simplify 1.0 into 1.0
1.296 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.296 * [taylor]: Taking taylor expansion of x in x
1.296 * [backup-simplify]: Simplify 0 into 0
1.296 * [backup-simplify]: Simplify 1 into 1
1.296 * [backup-simplify]: Simplify (/ 1 1) into 1
1.297 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
1.297 * [backup-simplify]: Simplify (+ 0.5 0) into 0.5
1.297 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
1.298 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
1.298 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
1.299 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
1.300 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
1.300 * [backup-simplify]: Simplify (* 1.0 1) into 1.0
1.301 * [backup-simplify]: Simplify (+ 0 1.0) into 1.0
1.301 * [backup-simplify]: Simplify (- 1.0) into (- 1.0)
1.301 * [backup-simplify]: Simplify (- 1.0) into (- 1.0)
1.302 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
1.302 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.307 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
1.308 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
1.309 * [backup-simplify]: Simplify (+ (* 1.0 0) (* 0 1)) into 0
1.309 * [backup-simplify]: Simplify (+ 0 0) into 0
1.309 * [backup-simplify]: Simplify (- 0) into 0
1.309 * [backup-simplify]: Simplify 0 into 0
1.310 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
1.310 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.311 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
1.311 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.312 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (* 0 1))) into 0
1.312 * [backup-simplify]: Simplify (+ 0 0) into 0
1.312 * [backup-simplify]: Simplify (- 0) into 0
1.312 * [backup-simplify]: Simplify 0 into 0
1.313 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
1.314 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.314 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
1.315 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.316 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
1.316 * [backup-simplify]: Simplify (+ 0 0) into 0
1.316 * [backup-simplify]: Simplify (- 0) into 0
1.316 * [backup-simplify]: Simplify 0 into 0
1.317 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
1.317 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.318 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
1.319 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.319 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
1.320 * [backup-simplify]: Simplify (+ 0 0) into 0
1.320 * [backup-simplify]: Simplify (- 0) into 0
1.320 * [backup-simplify]: Simplify 0 into 0
1.321 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
1.321 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.322 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
1.322 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.323 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
1.323 * [backup-simplify]: Simplify (+ 0 0) into 0
1.324 * [backup-simplify]: Simplify (- 0) into 0
1.324 * [backup-simplify]: Simplify 0 into 0
1.325 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0
1.325 * [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
1.326 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0
1.327 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.328 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
1.328 * [backup-simplify]: Simplify (+ 0 0) into 0
1.328 * [backup-simplify]: Simplify (- 0) into 0
1.328 * [backup-simplify]: Simplify 0 into 0
1.329 * [backup-simplify]: Simplify (+ (* (- 1.0) (/ 1 (/ 1 (- x)))) (* (- 0.5) (pow (/ 1 (/ 1 (- x))) 2))) into (- (* 1.0 x) (* 0.5 (pow x 2)))
1.329 * * * [progress]: simplifying candidates
1.329 * [simplify]: Simplifying:
  (expm1 (+ (* 1.0 x) (* (- (* x 0.5)) x)))
  (log1p (+ (* 1.0 x) (* (- (* x 0.5)) x)))
  (* (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)))
1.330 * * [simplify]: iteration 0: 36 enodes
1.337 * * [simplify]: iteration 1: 127 enodes
1.405 * * [simplify]: iteration 2: 726 enodes
1.870 * * [simplify]: iteration complete: 5000 enodes
1.870 * * [simplify]: Extracting #0: cost 14 inf + 0
1.872 * * [simplify]: Extracting #1: cost 392 inf + 0
1.887 * * [simplify]: Extracting #2: cost 1691 inf + 11911
1.924 * * [simplify]: Extracting #3: cost 862 inf + 204736
1.997 * * [simplify]: Extracting #4: cost 98 inf + 380843
2.093 * * [simplify]: Extracting #5: cost 7 inf + 401660
2.198 * * [simplify]: Extracting #6: cost 0 inf + 404005
2.291 * [simplify]: Simplified to:
  (expm1 (* (- 1.0 (* 0.5 x)) x))
  (log1p (* (- 1.0 (* 0.5 x)) x))
  (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))
  (* x (* (- 1.0 (* 0.5 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))
  (fma (* 1.0 x) (* (* 1.0 x) (* 1.0 x)) (- (* (* (* 0.5 x) x) (* (* (* 0.5 x) x) (* (* 0.5 x) x)))))
  (fma (* 1.0 x) (* 1.0 x) (* (* (* 0.5 x) x) (+ (* (* 0.5 x) x) (* 1.0 x))))
  (* x (* x (* (+ 1.0 (* 0.5 x)) (- 1.0 (* 0.5 x)))))
  (* 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)
2.292 * * * [progress]: adding candidates to table
2.369 * [progress]: [Phase 3 of 3] Extracting.
2.369 * * [regime]: Finding splitpoints for: (#<alt (λ (x) (* x (- 1.0 (* x 0.5))))> #<alt (λ (x) (+ (* 1.0 x) (* (- (* x 0.5)) x)))>)
2.369 * * * [regime-changes]: Trying 2 branch expressions: ((* x (- 1.0 (* x 0.5))) x)
2.369 * * * * [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)))>)
2.404 * * * * [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)))>)
2.427 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
2.427 * [simplify]: Simplifying:
  (* x (- 1.0 (* x 0.5)))
2.427 * * [simplify]: iteration 0: 6 enodes
2.428 * * [simplify]: iteration 1: 8 enodes
2.428 * * [simplify]: iteration complete: 8 enodes
2.428 * * [simplify]: Extracting #0: cost 1 inf + 0
2.428 * * [simplify]: Extracting #1: cost 3 inf + 0
2.428 * * [simplify]: Extracting #2: cost 4 inf + 1
2.428 * * [simplify]: Extracting #3: cost 4 inf + 2
2.428 * * [simplify]: Extracting #4: cost 0 inf + 251
2.428 * [simplify]: Simplified to:
  (* (- 1.0 (* x 0.5)) x)
3.585 * [regime-testing]: Baseline error score: 0.011251406425803226
3.600 * [regime-testing]: Oracle error score: 0.00025003125390673836
3.628 * [regime-testing]: End program error score: 0.011251406425803226