52.379 * [progress]: [Phase 1 of 3] Setting up.
0.002 * * * [progress]: [1/2] Preparing points
0.032 * * * [progress]: [2/2] Setting up program.
0.035 * [progress]: [Phase 2 of 3] Improving.
0.035 * * * * [progress]: [ 1 / 1 ] simplifiying candidate #<alt (λ (x) (* x (- 1.0 (* x 0.5))))>
0.035 * [simplify]: Simplifying:
  (* x (- 1.0 (* x 0.5)))
0.035 * * [simplify]: iteration 0: 6 enodes
0.037 * * [simplify]: iteration 1: 10 enodes
0.041 * * [simplify]: iteration 2: 23 enodes
0.049 * * [simplify]: iteration 3: 44 enodes
0.058 * * [simplify]: iteration 4: 58 enodes
0.066 * * [simplify]: iteration complete: 58 enodes
0.066 * * [simplify]: Extracting #0: cost 1 inf + 0
0.066 * * [simplify]: Extracting #1: cost 14 inf + 0
0.066 * * [simplify]: Extracting #2: cost 10 inf + 44
0.066 * * [simplify]: Extracting #3: cost 3 inf + 528
0.067 * * [simplify]: Extracting #4: cost 0 inf + 783
0.067 * [simplify]: Simplified to:
  (* (- 1.0 (* x 0.5)) x)
0.068 * * [progress]: iteration 1 / 4
0.068 * * * [progress]: picking best candidate
0.069 * * * * [pick]: Picked  #<alt (λ (x) (* x (- 1.0 (* x 0.5))))>
0.069 * * * [progress]: localizing error
0.077 * * * [progress]: generating rewritten candidates
0.077 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.091 * * * [progress]: generating series expansions
0.091 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.091 * [backup-simplify]: Simplify (* x (- 1.0 (* x 0.5))) into (* x (- 1.0 (* 0.5 x)))
0.091 * [approximate]: Taking taylor expansion of (* x (- 1.0 (* 0.5 x))) in (x) around 0
0.091 * [taylor]: Taking taylor expansion of (* x (- 1.0 (* 0.5 x))) in x
0.091 * [taylor]: Taking taylor expansion of x in x
0.091 * [backup-simplify]: Simplify 0 into 0
0.091 * [backup-simplify]: Simplify 1 into 1
0.091 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 x)) in x
0.091 * [taylor]: Taking taylor expansion of 1.0 in x
0.091 * [backup-simplify]: Simplify 1.0 into 1.0
0.091 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.091 * [taylor]: Taking taylor expansion of 0.5 in x
0.091 * [backup-simplify]: Simplify 0.5 into 0.5
0.091 * [taylor]: Taking taylor expansion of x in x
0.091 * [backup-simplify]: Simplify 0 into 0
0.091 * [backup-simplify]: Simplify 1 into 1
0.091 * [taylor]: Taking taylor expansion of (* x (- 1.0 (* 0.5 x))) in x
0.091 * [taylor]: Taking taylor expansion of x in x
0.091 * [backup-simplify]: Simplify 0 into 0
0.091 * [backup-simplify]: Simplify 1 into 1
0.091 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 x)) in x
0.091 * [taylor]: Taking taylor expansion of 1.0 in x
0.091 * [backup-simplify]: Simplify 1.0 into 1.0
0.091 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.091 * [taylor]: Taking taylor expansion of 0.5 in x
0.091 * [backup-simplify]: Simplify 0.5 into 0.5
0.092 * [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 (* 0.5 0) into 0
0.093 * [backup-simplify]: Simplify (- 0) into 0
0.093 * [backup-simplify]: Simplify (+ 1.0 0) into 1.0
0.094 * [backup-simplify]: Simplify (* 0 1.0) into 0
0.094 * [backup-simplify]: Simplify 0 into 0
0.103 * [backup-simplify]: Simplify (+ (* 0.5 1) (* 0 0)) into 0.5
0.104 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
0.105 * [backup-simplify]: Simplify (+ 0 (- 0.5)) into (- 0.5)
0.107 * [backup-simplify]: Simplify (+ (* 0 (- 0.5)) (* 1 1.0)) into 1.0
0.107 * [backup-simplify]: Simplify 1.0 into 1.0
0.108 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 1) (* 0 0))) into 0
0.108 * [backup-simplify]: Simplify (- 0) into 0
0.109 * [backup-simplify]: Simplify (+ 0 0) into 0
0.112 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 (- 0.5)) (* 0 1.0))) into (- 0.5)
0.113 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
0.114 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
0.115 * [backup-simplify]: Simplify (- 0) into 0
0.115 * [backup-simplify]: Simplify (+ 0 0) into 0
0.117 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 (- 0.5)) (* 0 1.0)))) into 0
0.117 * [backup-simplify]: Simplify 0 into 0
0.118 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))) into 0
0.118 * [backup-simplify]: Simplify (- 0) into 0
0.119 * [backup-simplify]: Simplify (+ 0 0) into 0
0.121 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 (- 0.5)) (* 0 1.0))))) into 0
0.121 * [backup-simplify]: Simplify 0 into 0
0.122 * [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
0.123 * [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
0.126 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))))) into 0
0.127 * [backup-simplify]: Simplify (- 0) into 0
0.127 * [backup-simplify]: Simplify (+ 0 0) into 0
0.129 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (- 0.5)) (* 0 1.0))))))) into 0
0.129 * [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 1) (* 0 0)))))))) into 0
0.132 * [backup-simplify]: Simplify (- 0) into 0
0.132 * [backup-simplify]: Simplify (+ 0 0) into 0
0.134 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (- 0.5)) (* 0 1.0)))))))) into 0
0.134 * [backup-simplify]: Simplify 0 into 0
0.136 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))))))) into 0
0.137 * [backup-simplify]: Simplify (- 0) into 0
0.137 * [backup-simplify]: Simplify (+ 0 0) into 0
0.140 * [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
0.140 * [backup-simplify]: Simplify 0 into 0
0.140 * [backup-simplify]: Simplify (+ (* (- 0.5) (pow x 2)) (* 1.0 x)) into (- (* 1.0 x) (* 0.5 (pow x 2)))
0.140 * [backup-simplify]: Simplify (* (/ 1 x) (- 1.0 (* (/ 1 x) 0.5))) into (/ (- 1.0 (* 0.5 (/ 1 x))) x)
0.140 * [approximate]: Taking taylor expansion of (/ (- 1.0 (* 0.5 (/ 1 x))) x) in (x) around 0
0.141 * [taylor]: Taking taylor expansion of (/ (- 1.0 (* 0.5 (/ 1 x))) x) in x
0.141 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 (/ 1 x))) in x
0.141 * [taylor]: Taking taylor expansion of 1.0 in x
0.141 * [backup-simplify]: Simplify 1.0 into 1.0
0.141 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.141 * [taylor]: Taking taylor expansion of 0.5 in x
0.141 * [backup-simplify]: Simplify 0.5 into 0.5
0.141 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.141 * [taylor]: Taking taylor expansion of x in x
0.141 * [backup-simplify]: Simplify 0 into 0
0.141 * [backup-simplify]: Simplify 1 into 1
0.141 * [backup-simplify]: Simplify (/ 1 1) into 1
0.141 * [taylor]: Taking taylor expansion of x in x
0.141 * [backup-simplify]: Simplify 0 into 0
0.141 * [backup-simplify]: Simplify 1 into 1
0.142 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
0.142 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
0.143 * [backup-simplify]: Simplify (+ 0 (- 0.5)) into (- 0.5)
0.144 * [backup-simplify]: Simplify (/ (- 0.5) 1) into -0.5
0.144 * [taylor]: Taking taylor expansion of (/ (- 1.0 (* 0.5 (/ 1 x))) x) in x
0.144 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 (/ 1 x))) in x
0.144 * [taylor]: Taking taylor expansion of 1.0 in x
0.144 * [backup-simplify]: Simplify 1.0 into 1.0
0.144 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.144 * [taylor]: Taking taylor expansion of 0.5 in x
0.144 * [backup-simplify]: Simplify 0.5 into 0.5
0.144 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.144 * [taylor]: Taking taylor expansion of x in x
0.144 * [backup-simplify]: Simplify 0 into 0
0.144 * [backup-simplify]: Simplify 1 into 1
0.145 * [backup-simplify]: Simplify (/ 1 1) into 1
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 (* 0.5 1) into 0.5
0.146 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
0.147 * [backup-simplify]: Simplify (+ 0 (- 0.5)) into (- 0.5)
0.147 * [backup-simplify]: Simplify (/ (- 0.5) 1) 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) into 0
0.150 * [backup-simplify]: Simplify (+ 1.0 0) into 1.0
0.152 * [backup-simplify]: Simplify (- (/ 1.0 1) (+ (* -0.5 (/ 0 1)))) into 1.0
0.152 * [backup-simplify]: Simplify 1.0 into 1.0
0.153 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.154 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
0.154 * [backup-simplify]: Simplify (- 0) 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
0.156 * [backup-simplify]: Simplify 0 into 0
0.157 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.158 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.159 * [backup-simplify]: Simplify (- 0) into 0
0.159 * [backup-simplify]: Simplify (+ 0 0) into 0
0.160 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.160 * [backup-simplify]: Simplify 0 into 0
0.160 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.161 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.161 * [backup-simplify]: Simplify (- 0) into 0
0.161 * [backup-simplify]: Simplify (+ 0 0) into 0
0.162 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.162 * [backup-simplify]: Simplify 0 into 0
0.163 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.164 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
0.164 * [backup-simplify]: Simplify (- 0) into 0
0.164 * [backup-simplify]: Simplify (+ 0 0) into 0
0.165 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.165 * [backup-simplify]: Simplify 0 into 0
0.165 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.166 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
0.166 * [backup-simplify]: Simplify (- 0) into 0
0.167 * [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)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.167 * [backup-simplify]: Simplify 0 into 0
0.168 * [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
0.169 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0
0.169 * [backup-simplify]: Simplify (- 0) into 0
0.170 * [backup-simplify]: Simplify (+ 0 0) into 0
0.170 * [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
0.170 * [backup-simplify]: Simplify 0 into 0
0.170 * [backup-simplify]: Simplify (+ (* 1.0 (/ 1 (/ 1 x))) (* -0.5 (pow (/ 1 (/ 1 x)) 2))) into (- (* 1.0 x) (* 0.5 (pow x 2)))
0.171 * [backup-simplify]: Simplify (* (/ 1 (- x)) (- 1.0 (* (/ 1 (- x)) 0.5))) into (* -1 (/ (+ (* 0.5 (/ 1 x)) 1.0) x))
0.171 * [approximate]: Taking taylor expansion of (* -1 (/ (+ (* 0.5 (/ 1 x)) 1.0) x)) in (x) around 0
0.171 * [taylor]: Taking taylor expansion of (* -1 (/ (+ (* 0.5 (/ 1 x)) 1.0) x)) in x
0.171 * [taylor]: Taking taylor expansion of -1 in x
0.171 * [backup-simplify]: Simplify -1 into -1
0.171 * [taylor]: Taking taylor expansion of (/ (+ (* 0.5 (/ 1 x)) 1.0) x) in x
0.171 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) 1.0) in x
0.171 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.171 * [taylor]: Taking taylor expansion of 0.5 in x
0.171 * [backup-simplify]: Simplify 0.5 into 0.5
0.171 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.171 * [taylor]: Taking taylor expansion of x in x
0.171 * [backup-simplify]: Simplify 0 into 0
0.171 * [backup-simplify]: Simplify 1 into 1
0.171 * [backup-simplify]: Simplify (/ 1 1) into 1
0.171 * [taylor]: Taking taylor expansion of 1.0 in x
0.171 * [backup-simplify]: Simplify 1.0 into 1.0
0.171 * [taylor]: Taking taylor expansion of x in x
0.171 * [backup-simplify]: Simplify 0 into 0
0.171 * [backup-simplify]: Simplify 1 into 1
0.171 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
0.172 * [backup-simplify]: Simplify (+ 0.5 0) into 0.5
0.172 * [backup-simplify]: Simplify (/ 0.5 1) into 0.5
0.172 * [taylor]: Taking taylor expansion of (* -1 (/ (+ (* 0.5 (/ 1 x)) 1.0) x)) in x
0.172 * [taylor]: Taking taylor expansion of -1 in x
0.172 * [backup-simplify]: Simplify -1 into -1
0.172 * [taylor]: Taking taylor expansion of (/ (+ (* 0.5 (/ 1 x)) 1.0) x) in x
0.172 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) 1.0) in x
0.172 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.172 * [taylor]: Taking taylor expansion of 0.5 in x
0.172 * [backup-simplify]: Simplify 0.5 into 0.5
0.172 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.172 * [taylor]: Taking taylor expansion of x in x
0.172 * [backup-simplify]: Simplify 0 into 0
0.172 * [backup-simplify]: Simplify 1 into 1
0.172 * [backup-simplify]: Simplify (/ 1 1) into 1
0.172 * [taylor]: Taking taylor expansion of 1.0 in x
0.172 * [backup-simplify]: Simplify 1.0 into 1.0
0.173 * [taylor]: Taking taylor expansion of x in x
0.173 * [backup-simplify]: Simplify 0 into 0
0.173 * [backup-simplify]: Simplify 1 into 1
0.173 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
0.173 * [backup-simplify]: Simplify (+ 0.5 0) into 0.5
0.173 * [backup-simplify]: Simplify (/ 0.5 1) into 0.5
0.174 * [backup-simplify]: Simplify (* -1 0.5) into -0.5
0.174 * [backup-simplify]: Simplify -0.5 into -0.5
0.175 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.176 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
0.176 * [backup-simplify]: Simplify (+ 0 1.0) into 1.0
0.178 * [backup-simplify]: Simplify (- (/ 1.0 1) (+ (* 0.5 (/ 0 1)))) into 1.0
0.180 * [backup-simplify]: Simplify (+ (* -1 1.0) (* 0 0.5)) into (- 1.0)
0.180 * [backup-simplify]: Simplify (- 1.0) into (- 1.0)
0.181 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.182 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
0.182 * [backup-simplify]: Simplify (+ 0 0) into 0
0.183 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)) (* 1.0 (/ 0 1)))) into 0
0.185 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 1.0) (* 0 0.5))) into 0
0.185 * [backup-simplify]: Simplify 0 into 0
0.186 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.187 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.187 * [backup-simplify]: Simplify (+ 0 0) into 0
0.188 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.188 * [backup-simplify]: Simplify (+ (* -1 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)))) into 0
0.190 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.190 * [backup-simplify]: Simplify (+ 0 0) into 0
0.191 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.192 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1.0) (* 0 0.5))))) into 0
0.192 * [backup-simplify]: Simplify 0 into 0
0.192 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.193 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
0.193 * [backup-simplify]: Simplify (+ 0 0) into 0
0.194 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.195 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1.0) (* 0 0.5)))))) into 0
0.195 * [backup-simplify]: Simplify 0 into 0
0.196 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.198 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
0.198 * [backup-simplify]: Simplify (+ 0 0) into 0
0.199 * [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
0.201 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1.0) (* 0 0.5))))))) into 0
0.201 * [backup-simplify]: Simplify 0 into 0
0.202 * [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
0.204 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0
0.204 * [backup-simplify]: Simplify (+ 0 0) into 0
0.206 * [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
0.208 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1.0) (* 0 0.5)))))))) into 0
0.208 * [backup-simplify]: Simplify 0 into 0
0.208 * [backup-simplify]: Simplify (+ (* (- 1.0) (/ 1 (/ 1 (- x)))) (* -0.5 (pow (/ 1 (/ 1 (- x))) 2))) into (- (* 1.0 x) (* 0.5 (pow x 2)))
0.208 * * * [progress]: simplifying candidates
0.208 * * * * [progress]: [ 1 / 36 ] simplifiying candidate #<alt (λ (x) (log1p (expm1 (* x (- 1.0 (* x 0.5))))))>
0.208 * * * * [progress]: [ 2 / 36 ] simplifiying candidate #<alt (λ (x) (expm1 (log1p (* x (- 1.0 (* x 0.5))))))>
0.208 * * * * [progress]: [ 3 / 36 ] simplifiying candidate #<alt (λ (x) (pow (* x (- 1.0 (* x 0.5))) 1))>
0.208 * * * * [progress]: [ 4 / 36 ] simplifiying candidate #<alt (λ (x) (pow (* x (- 1.0 (* x 0.5))) 1))>
0.209 * * * * [progress]: [ 5 / 36 ] simplifiying candidate #<alt (λ (x) (exp (+ (log x) (log (- 1.0 (* x 0.5))))))>
0.209 * * * * [progress]: [ 6 / 36 ] simplifiying candidate #<alt (λ (x) (exp (log (* x (- 1.0 (* x 0.5))))))>
0.209 * * * * [progress]: [ 7 / 36 ] simplifiying candidate #<alt (λ (x) (log (exp (* x (- 1.0 (* x 0.5))))))>
0.209 * * * * [progress]: [ 8 / 36 ] simplifiying candidate #<alt (λ (x) (cbrt (* (* (* x x) x) (* (* (- 1.0 (* x 0.5)) (- 1.0 (* x 0.5))) (- 1.0 (* x 0.5))))))>
0.209 * * * * [progress]: [ 9 / 36 ] simplifiying candidate #<alt (λ (x) (* (* (cbrt (* x (- 1.0 (* x 0.5)))) (cbrt (* x (- 1.0 (* x 0.5))))) (cbrt (* x (- 1.0 (* x 0.5))))))>
0.209 * * * * [progress]: [ 10 / 36 ] simplifiying candidate #<alt (λ (x) (cbrt (* (* (* x (- 1.0 (* x 0.5))) (* x (- 1.0 (* x 0.5)))) (* x (- 1.0 (* x 0.5))))))>
0.209 * * * * [progress]: [ 11 / 36 ] simplifiying candidate #<alt (λ (x) (* (sqrt (* x (- 1.0 (* x 0.5)))) (sqrt (* x (- 1.0 (* x 0.5))))))>
0.209 * * * * [progress]: [ 12 / 36 ] simplifiying candidate #<alt (λ (x) (* 1 (* x (- 1.0 (* x 0.5)))))>
0.209 * * * * [progress]: [ 13 / 36 ] simplifiying candidate #<alt (λ (x) (* (* (sqrt x) (sqrt (- 1.0 (* x 0.5)))) (* (sqrt x) (sqrt (- 1.0 (* x 0.5))))))>
0.209 * * * * [progress]: [ 14 / 36 ] simplifiying candidate #<alt (λ (x) (+ (* x (fma (* (cbrt 1.0) (cbrt 1.0)) (cbrt 1.0) (- (* 0.5 x)))) (* x (fma (- 0.5) x (* 0.5 x)))))>
0.209 * * * * [progress]: [ 15 / 36 ] simplifiying candidate #<alt (λ (x) (+ (* x (fma (sqrt 1.0) (sqrt 1.0) (- (* 0.5 x)))) (* x (fma (- 0.5) x (* 0.5 x)))))>
0.209 * * * * [progress]: [ 16 / 36 ] simplifiying candidate #<alt (λ (x) (+ (* x (fma 1 1.0 (- (* 0.5 x)))) (* x (fma (- 0.5) x (* 0.5 x)))))>
0.209 * * * * [progress]: [ 17 / 36 ] simplifiying candidate #<alt (λ (x) (+ (* x 1.0) (* x (- (* x 0.5)))))>
0.209 * * * * [progress]: [ 18 / 36 ] simplifiying candidate #<alt (λ (x) (+ (* x 1.0) (* x (- (* x 0.5)))))>
0.209 * * * * [progress]: [ 19 / 36 ] simplifiying candidate #<alt (λ (x) (+ (* (fma (* (cbrt 1.0) (cbrt 1.0)) (cbrt 1.0) (- (* 0.5 x))) x) (* (fma (- 0.5) x (* 0.5 x)) x)))>
0.209 * * * * [progress]: [ 20 / 36 ] simplifiying candidate #<alt (λ (x) (+ (* (fma (sqrt 1.0) (sqrt 1.0) (- (* 0.5 x))) x) (* (fma (- 0.5) x (* 0.5 x)) x)))>
0.209 * * * * [progress]: [ 21 / 36 ] simplifiying candidate #<alt (λ (x) (+ (* (fma 1 1.0 (- (* 0.5 x))) x) (* (fma (- 0.5) x (* 0.5 x)) x)))>
0.209 * * * * [progress]: [ 22 / 36 ] simplifiying candidate #<alt (λ (x) (+ (* 1.0 x) (* (- (* x 0.5)) x)))>
0.209 * * * * [progress]: [ 23 / 36 ] simplifiying candidate #<alt (λ (x) (+ (* 1.0 x) (* (- (* x 0.5)) x)))>
0.209 * * * * [progress]: [ 24 / 36 ] simplifiying candidate #<alt (λ (x) (* (* x (* (cbrt (- 1.0 (* x 0.5))) (cbrt (- 1.0 (* x 0.5))))) (cbrt (- 1.0 (* x 0.5)))))>
0.209 * * * * [progress]: [ 25 / 36 ] simplifiying candidate #<alt (λ (x) (* (* x (sqrt (- 1.0 (* x 0.5)))) (sqrt (- 1.0 (* x 0.5)))))>
0.209 * * * * [progress]: [ 26 / 36 ] simplifiying candidate #<alt (λ (x) (* (* x 1) (- 1.0 (* x 0.5))))>
0.209 * * * * [progress]: [ 27 / 36 ] simplifiying candidate #<alt (λ (x) (* (* (cbrt x) (cbrt x)) (* (cbrt x) (- 1.0 (* x 0.5)))))>
0.209 * * * * [progress]: [ 28 / 36 ] simplifiying candidate #<alt (λ (x) (* (sqrt x) (* (sqrt x) (- 1.0 (* x 0.5)))))>
0.209 * * * * [progress]: [ 29 / 36 ] simplifiying candidate #<alt (λ (x) (* 1 (* x (- 1.0 (* x 0.5)))))>
0.209 * * * * [progress]: [ 30 / 36 ] simplifiying candidate #<alt (λ (x) (/ (* x (- (pow 1.0 3) (pow (* x 0.5) 3))) (+ (* 1.0 1.0) (+ (* (* x 0.5) (* x 0.5)) (* 1.0 (* x 0.5))))))>
0.210 * * * * [progress]: [ 31 / 36 ] simplifiying candidate #<alt (λ (x) (/ (* x (- (* 1.0 1.0) (* (* x 0.5) (* x 0.5)))) (+ 1.0 (* x 0.5))))>
0.210 * * * * [progress]: [ 32 / 36 ] simplifiying candidate #<alt (λ (x) (posit16->real (real->posit16 (* x (- 1.0 (* x 0.5))))))>
0.210 * * * * [progress]: [ 33 / 36 ] simplifiying candidate #<alt (λ (x) (* (- 1.0 (* x 0.5)) x))>
0.210 * * * * [progress]: [ 34 / 36 ] simplifiying candidate #<alt (λ (x) (- (* 1.0 x) (* 0.5 (pow x 2))))>
0.210 * * * * [progress]: [ 35 / 36 ] simplifiying candidate #<alt (λ (x) (- (* 1.0 x) (* 0.5 (pow x 2))))>
0.210 * * * * [progress]: [ 36 / 36 ] simplifiying candidate #<alt (λ (x) (- (* 1.0 x) (* 0.5 (pow x 2))))>
0.210 * [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))))
  (real->posit16 (* 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)))
0.211 * * [simplify]: iteration 0: 72 enodes
0.231 * * [simplify]: iteration 1: 166 enodes
0.283 * * [simplify]: iteration 2: 496 enodes
0.451 * * [simplify]: iteration complete: 2000 enodes
0.451 * * [simplify]: Extracting #0: cost 25 inf + 0
0.452 * * [simplify]: Extracting #1: cost 242 inf + 1
0.456 * * [simplify]: Extracting #2: cost 474 inf + 9275
0.479 * * [simplify]: Extracting #3: cost 411 inf + 55364
0.512 * * [simplify]: Extracting #4: cost 82 inf + 116567
0.544 * * [simplify]: Extracting #5: cost 11 inf + 130802
0.584 * * [simplify]: Extracting #6: cost 3 inf + 131212
0.609 * * [simplify]: Extracting #7: cost 0 inf + 132012
0.638 * [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))))
  (* (* 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 (- 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)) (* x 0.5)))
  (* x (* 0.5 (+ (- x) x)))
  (* x (- 1.0 (* x 0.5)))
  (* x (* 0.5 (+ (- x) x)))
  (* x (- 1.0 (* x 0.5)))
  (* x (* 0.5 (+ (- x) x)))
  (* x 1.0)
  (* (* x (- x)) 0.5)
  (* x 1.0)
  (* (* x (- x)) 0.5)
  (* x (- (* (* (cbrt 1.0) (cbrt 1.0)) (cbrt 1.0)) (* x 0.5)))
  (* x (* 0.5 (+ (- x) x)))
  (* x (- 1.0 (* x 0.5)))
  (* x (* 0.5 (+ (- x) x)))
  (* x (- 1.0 (* x 0.5)))
  (* x (* 0.5 (+ (- x) x)))
  (* 1.0 x)
  (* (* x (- x)) 0.5)
  (* 1.0 x)
  (* (* x (- x)) 0.5)
  (* (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))
  (* (- 1.0 (* x 0.5)) (sqrt x))
  (* x (- 1.0 (* x 0.5)))
  (* (- (* 1.0 (* 1.0 1.0)) (* (* x 0.5) (* (* x 0.5) (* x 0.5)))) x)
  (* x (* (+ 1.0 (* x 0.5)) (- 1.0 (* x 0.5))))
  (real->posit16 (* x (- 1.0 (* x 0.5))))
  (* x (- 1.0 (* x 0.5)))
  (* x (- 1.0 (* x 0.5)))
  (* x (- 1.0 (* x 0.5)))
0.641 * * * [progress]: adding candidates to table
0.730 * * [progress]: iteration 2 / 4
0.730 * * * [progress]: picking best candidate
0.733 * * * * [pick]: Picked  #<alt (λ (x) (+ (* x 1.0) (* x (- (* x 0.5)))))>
0.733 * * * [progress]: localizing error
0.755 * * * [progress]: generating rewritten candidates
0.755 * * * [progress]: generating series expansions
0.755 * * * [progress]: simplifying candidates
0.755 * [simplify]: Simplifying:
  
0.755 * * [simplify]: iteration 0: 0 enodes
0.755 * * [simplify]: iteration complete: 0 enodes
0.755 * * [simplify]: Extracting #0: cost 0 inf + 0
0.755 * [simplify]: Simplified to:
  
0.755 * * * [progress]: adding candidates to table
0.756 * [progress]: [Phase 3 of 3] Extracting.
0.758 * [simplify]: Simplifying:
  (+ (* x 1.0) (* x (- (* x 0.5))))
0.758 * * [simplify]: iteration 0: 8 enodes
0.759 * * [simplify]: iteration 1: 18 enodes
0.760 * * [simplify]: iteration 2: 23 enodes
0.761 * * [simplify]: iteration 3: 24 enodes
0.762 * * [simplify]: iteration complete: 24 enodes
0.762 * * [simplify]: Extracting #0: cost 1 inf + 0
0.762 * * [simplify]: Extracting #1: cost 3 inf + 0
0.762 * * [simplify]: Extracting #2: cost 9 inf + 0
0.762 * * [simplify]: Extracting #3: cost 9 inf + 2
0.762 * * [simplify]: Extracting #4: cost 0 inf + 658
0.762 * [simplify]: Simplified to:
  (+ (* x 1.0) (* (- (* 0.5 x)) x))
1.679 * [regime-testing]: Baseline error score: 0.007875984498062257
1.682 * [regime-testing]: Oracle error score: 0.007875984498062257
1.683 * [regime-testing]: End program error score: 0.007875984498062257