55.868 * [progress]: [Phase 1 of 3] Setting up. 0.001 * * * [progress]: [1/2] Preparing points 0.019 * * * [progress]: [2/2] Setting up program. 0.021 * [progress]: [Phase 2 of 3] Improving. 0.021 * [simplify]: Simplifying: (+ x (/ (- y x) 2.0)) 0.021 * * [simplify]: Extracting # 0 : cost 0 0.022 * * [simplify]: Extracting # 1 : cost 0 0.022 * * [simplify]: Extracting # 2 : cost 0 0.022 * * [simplify]: Extracting # 3 : cost 0 0.022 * * [simplify]: Extracting # 4 : cost 0 0.022 * * [simplify]: Extracting # 5 : cost 0 0.022 * * [simplify]: iteration 0 : 6 enodes (cost 7 ) 0.023 * * [simplify]: Extracting # 0 : cost 0 0.023 * * [simplify]: Extracting # 1 : cost 0 0.023 * * [simplify]: Extracting # 2 : cost 0 0.023 * * [simplify]: iteration 1 : 12 enodes (cost 7 ) 0.026 * * [simplify]: Extracting # 0 : cost 0 0.026 * * [simplify]: Extracting # 1 : cost 0 0.026 * * [simplify]: Extracting # 2 : cost 0 0.026 * * [simplify]: iteration 2 : 19 enodes (cost 7 ) 0.029 * * [simplify]: Extracting # 0 : cost 0 0.029 * * [simplify]: Extracting # 1 : cost 0 0.030 * * [simplify]: Extracting # 2 : cost 0 0.030 * * [simplify]: iteration 3 : 28 enodes (cost 7 ) 0.035 * * [simplify]: Extracting # 0 : cost 0 0.035 * * [simplify]: Extracting # 1 : cost 0 0.035 * * [simplify]: Extracting # 2 : cost 0 0.035 * * [simplify]: iteration 4 : 39 enodes (cost 7 ) 0.044 * * [simplify]: Extracting # 0 : cost 0 0.044 * * [simplify]: Extracting # 1 : cost 0 0.044 * * [simplify]: Extracting # 2 : cost 0 0.044 * * [simplify]: iteration 5 : 44 enodes (cost 7 ) 0.052 * * [simplify]: Extracting # 0 : cost 0 0.052 * * [simplify]: Extracting # 1 : cost 0 0.053 * * [simplify]: Extracting # 2 : cost 0 0.053 * * [simplify]: iteration 6 : 49 enodes (cost 7 ) 0.063 * * [simplify]: Extracting # 0 : cost 0 0.064 * * [simplify]: Extracting # 1 : cost 0 0.064 * * [simplify]: Extracting # 2 : cost 0 0.064 * * [simplify]: iteration 7 : 58 enodes (cost 7 ) 0.081 * * [simplify]: Extracting # 0 : cost 0 0.081 * * [simplify]: Extracting # 1 : cost 0 0.081 * * [simplify]: Extracting # 2 : cost 0 0.081 * * [simplify]: iteration 8 : 75 enodes (cost 7 ) 0.094 * * [simplify]: Extracting # 0 : cost 0 0.094 * * [simplify]: Extracting # 1 : cost 0 0.094 * * [simplify]: Extracting # 2 : cost 0 0.094 * * [simplify]: iteration 9 : 91 enodes (cost 7 ) 0.112 * * [simplify]: Extracting # 0 : cost 0 0.112 * * [simplify]: Extracting # 1 : cost 0 0.112 * * [simplify]: iteration 10 : 102 enodes (cost 7 ) 0.126 * * [simplify]: Extracting # 0 : cost 0 0.126 * * [simplify]: Extracting # 1 : cost 0 0.126 * * [simplify]: Extracting # 2 : cost 0 0.126 * * [simplify]: iteration 11 : 104 enodes (cost 7 ) 0.147 * * [simplify]: Extracting # 0 : cost 0 0.147 * * [simplify]: Extracting # 1 : cost 0 0.148 * * [simplify]: Extracting # 2 : cost 0 0.148 * * [simplify]: iteration 12 : 108 enodes (cost 7 ) 0.164 * * [simplify]: Extracting # 0 : cost 0 0.164 * * [simplify]: Extracting # 1 : cost 0 0.164 * * [simplify]: iteration 13 : 109 enodes (cost 7 ) 0.186 * * [simplify]: Extracting # 0 : cost 0 0.186 * * [simplify]: iteration done: 109 enodes (cost 7 ) 0.186 * [simplify]: Simplified to: (+ x (/ (- y x) 2.0)) 0.186 * * [progress]: iteration 1 / 4 0.186 * * * [progress]: picking best candidate 0.188 * * * * [pick]: Picked # 0.188 * * * [progress]: localizing error 0.196 * * * [progress]: generating rewritten candidates 0.196 * * * * [progress]: [ 1 / 1 ] rewriting at (2) 0.227 * * * [progress]: generating series expansions 0.227 * * * * [progress]: [ 1 / 1 ] generating series at (2) 0.227 * [backup-simplify]: Simplify (+ x (/ (- y x) 2.0)) into (+ (* 0.5 x) (* 0.5 y)) 0.227 * [approximate]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in (x y) around 0 0.227 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in y 0.227 * [taylor]: Taking taylor expansion of (* 0.5 x) in y 0.227 * [taylor]: Taking taylor expansion of 0.5 in y 0.227 * [backup-simplify]: Simplify 0.5 into 0.5 0.227 * [taylor]: Taking taylor expansion of x in y 0.227 * [backup-simplify]: Simplify x into x 0.227 * [taylor]: Taking taylor expansion of (* 0.5 y) in y 0.228 * [taylor]: Taking taylor expansion of 0.5 in y 0.228 * [backup-simplify]: Simplify 0.5 into 0.5 0.228 * [taylor]: Taking taylor expansion of y in y 0.228 * [backup-simplify]: Simplify 0 into 0 0.228 * [backup-simplify]: Simplify 1 into 1 0.228 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in x 0.228 * [taylor]: Taking taylor expansion of (* 0.5 x) in x 0.228 * [taylor]: Taking taylor expansion of 0.5 in x 0.228 * [backup-simplify]: Simplify 0.5 into 0.5 0.228 * [taylor]: Taking taylor expansion of x in x 0.228 * [backup-simplify]: Simplify 0 into 0 0.228 * [backup-simplify]: Simplify 1 into 1 0.228 * [taylor]: Taking taylor expansion of (* 0.5 y) in x 0.228 * [taylor]: Taking taylor expansion of 0.5 in x 0.228 * [backup-simplify]: Simplify 0.5 into 0.5 0.228 * [taylor]: Taking taylor expansion of y in x 0.228 * [backup-simplify]: Simplify y into y 0.228 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in x 0.228 * [taylor]: Taking taylor expansion of (* 0.5 x) in x 0.228 * [taylor]: Taking taylor expansion of 0.5 in x 0.228 * [backup-simplify]: Simplify 0.5 into 0.5 0.228 * [taylor]: Taking taylor expansion of x in x 0.228 * [backup-simplify]: Simplify 0 into 0 0.228 * [backup-simplify]: Simplify 1 into 1 0.228 * [taylor]: Taking taylor expansion of (* 0.5 y) in x 0.228 * [taylor]: Taking taylor expansion of 0.5 in x 0.228 * [backup-simplify]: Simplify 0.5 into 0.5 0.228 * [taylor]: Taking taylor expansion of y in x 0.228 * [backup-simplify]: Simplify y into y 0.229 * [backup-simplify]: Simplify (* 0.5 0) into 0 0.229 * [backup-simplify]: Simplify (* 0.5 y) into (* 0.5 y) 0.229 * [backup-simplify]: Simplify (+ 0 (* 0.5 y)) into (* 0.5 y) 0.229 * [taylor]: Taking taylor expansion of (* 0.5 y) in y 0.229 * [taylor]: Taking taylor expansion of 0.5 in y 0.229 * [backup-simplify]: Simplify 0.5 into 0.5 0.229 * [taylor]: Taking taylor expansion of y in y 0.229 * [backup-simplify]: Simplify 0 into 0 0.229 * [backup-simplify]: Simplify 1 into 1 0.229 * [backup-simplify]: Simplify (* 0.5 0) into 0 0.230 * [backup-simplify]: Simplify 0 into 0 0.235 * [backup-simplify]: Simplify (+ (* 0.5 1) (* 0 0)) into 0.5 0.235 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 y)) into 0 0.235 * [backup-simplify]: Simplify (+ 0.5 0) into 0.5 0.235 * [taylor]: Taking taylor expansion of 0.5 in y 0.235 * [backup-simplify]: Simplify 0.5 into 0.5 0.235 * [backup-simplify]: Simplify 0.5 into 0.5 0.237 * [backup-simplify]: Simplify (+ (* 0.5 1) (* 0 0)) into 0.5 0.237 * [backup-simplify]: Simplify 0.5 into 0.5 0.238 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 1) (* 0 0))) into 0 0.238 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 y))) into 0 0.238 * [backup-simplify]: Simplify (+ 0 0) into 0 0.239 * [taylor]: Taking taylor expansion of 0 in y 0.239 * [backup-simplify]: Simplify 0 into 0 0.239 * [backup-simplify]: Simplify 0 into 0 0.239 * [backup-simplify]: Simplify 0 into 0 0.239 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 1) (* 0 0))) into 0 0.239 * [backup-simplify]: Simplify 0 into 0 0.240 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0 0.241 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))) into 0 0.242 * [backup-simplify]: Simplify (+ 0 0) into 0 0.242 * [taylor]: Taking taylor expansion of 0 in y 0.242 * [backup-simplify]: Simplify 0 into 0 0.242 * [backup-simplify]: Simplify 0 into 0 0.242 * [backup-simplify]: Simplify 0 into 0 0.242 * [backup-simplify]: Simplify 0 into 0 0.242 * [backup-simplify]: Simplify (+ (* 0.5 (* y 1)) (* 0.5 (* 1 x))) into (+ (* 0.5 x) (* 0.5 y)) 0.242 * [backup-simplify]: Simplify (+ (/ 1 x) (/ (- (/ 1 y) (/ 1 x)) 2.0)) into (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) 0.242 * [approximate]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in (x y) around 0 0.242 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in y 0.242 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y 0.242 * [taylor]: Taking taylor expansion of 0.5 in y 0.242 * [backup-simplify]: Simplify 0.5 into 0.5 0.242 * [taylor]: Taking taylor expansion of (/ 1 y) in y 0.242 * [taylor]: Taking taylor expansion of y in y 0.242 * [backup-simplify]: Simplify 0 into 0 0.242 * [backup-simplify]: Simplify 1 into 1 0.243 * [backup-simplify]: Simplify (/ 1 1) into 1 0.243 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in y 0.243 * [taylor]: Taking taylor expansion of 0.5 in y 0.243 * [backup-simplify]: Simplify 0.5 into 0.5 0.243 * [taylor]: Taking taylor expansion of (/ 1 x) in y 0.243 * [taylor]: Taking taylor expansion of x in y 0.243 * [backup-simplify]: Simplify x into x 0.243 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x) 0.243 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in x 0.243 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x 0.243 * [taylor]: Taking taylor expansion of 0.5 in x 0.243 * [backup-simplify]: Simplify 0.5 into 0.5 0.243 * [taylor]: Taking taylor expansion of (/ 1 y) in x 0.243 * [taylor]: Taking taylor expansion of y in x 0.243 * [backup-simplify]: Simplify y into y 0.243 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y) 0.243 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x 0.243 * [taylor]: Taking taylor expansion of 0.5 in x 0.243 * [backup-simplify]: Simplify 0.5 into 0.5 0.243 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.243 * [taylor]: Taking taylor expansion of x in x 0.243 * [backup-simplify]: Simplify 0 into 0 0.243 * [backup-simplify]: Simplify 1 into 1 0.244 * [backup-simplify]: Simplify (/ 1 1) into 1 0.244 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in x 0.244 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x 0.244 * [taylor]: Taking taylor expansion of 0.5 in x 0.244 * [backup-simplify]: Simplify 0.5 into 0.5 0.244 * [taylor]: Taking taylor expansion of (/ 1 y) in x 0.244 * [taylor]: Taking taylor expansion of y in x 0.244 * [backup-simplify]: Simplify y into y 0.244 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y) 0.244 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x 0.244 * [taylor]: Taking taylor expansion of 0.5 in x 0.244 * [backup-simplify]: Simplify 0.5 into 0.5 0.244 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.244 * [taylor]: Taking taylor expansion of x in x 0.244 * [backup-simplify]: Simplify 0 into 0 0.244 * [backup-simplify]: Simplify 1 into 1 0.244 * [backup-simplify]: Simplify (/ 1 1) into 1 0.245 * [backup-simplify]: Simplify (* 0.5 1) into 0.5 0.245 * [backup-simplify]: Simplify (+ 0 0.5) into 0.5 0.245 * [taylor]: Taking taylor expansion of 0.5 in y 0.245 * [backup-simplify]: Simplify 0.5 into 0.5 0.245 * [backup-simplify]: Simplify (* 0.5 (/ 1 y)) into (/ 0.5 y) 0.246 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0 0.246 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0 0.246 * [backup-simplify]: Simplify (+ (/ 0.5 y) 0) into (* 0.5 (/ 1 y)) 0.247 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y 0.247 * [taylor]: Taking taylor expansion of 0.5 in y 0.247 * [backup-simplify]: Simplify 0.5 into 0.5 0.247 * [taylor]: Taking taylor expansion of (/ 1 y) in y 0.247 * [taylor]: Taking taylor expansion of y in y 0.247 * [backup-simplify]: Simplify 0 into 0 0.247 * [backup-simplify]: Simplify 1 into 1 0.247 * [backup-simplify]: Simplify (/ 1 1) into 1 0.247 * [backup-simplify]: Simplify (* 0.5 1) into 0.5 0.247 * [backup-simplify]: Simplify 0.5 into 0.5 0.247 * [backup-simplify]: Simplify 0.5 into 0.5 0.248 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0 0.248 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 (/ 1 y))) into 0 0.249 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.249 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0 0.250 * [backup-simplify]: Simplify (+ 0 0) into 0 0.250 * [taylor]: Taking taylor expansion of 0 in y 0.250 * [backup-simplify]: Simplify 0 into 0 0.250 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0 0.251 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0 0.251 * [backup-simplify]: Simplify 0 into 0 0.251 * [backup-simplify]: Simplify 0 into 0 0.251 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0 0.252 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 (/ 1 y)))) into 0 0.253 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.253 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0 0.254 * [backup-simplify]: Simplify (+ 0 0) into 0 0.254 * [taylor]: Taking taylor expansion of 0 in y 0.254 * [backup-simplify]: Simplify 0 into 0 0.254 * [backup-simplify]: Simplify 0 into 0 0.254 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.255 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0 0.255 * [backup-simplify]: Simplify 0 into 0 0.255 * [backup-simplify]: Simplify 0 into 0 0.256 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0 0.256 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 y))))) into 0 0.257 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.258 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0 0.259 * [backup-simplify]: Simplify (+ 0 0) into 0 0.259 * [taylor]: Taking taylor expansion of 0 in y 0.259 * [backup-simplify]: Simplify 0 into 0 0.259 * [backup-simplify]: Simplify 0 into 0 0.259 * [backup-simplify]: Simplify (+ (* 0.5 (* 1 (/ 1 (/ 1 x)))) (* 0.5 (* (/ 1 (/ 1 y)) 1))) into (+ (* 0.5 x) (* 0.5 y)) 0.259 * [backup-simplify]: Simplify (+ (/ 1 (- x)) (/ (- (/ 1 (- y)) (/ 1 (- x))) 2.0)) into (- (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))) 0.259 * [approximate]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))) in (x y) around 0 0.259 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))) in y 0.259 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in y 0.259 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y 0.259 * [taylor]: Taking taylor expansion of 0.5 in y 0.259 * [backup-simplify]: Simplify 0.5 into 0.5 0.259 * [taylor]: Taking taylor expansion of (/ 1 y) in y 0.259 * [taylor]: Taking taylor expansion of y in y 0.259 * [backup-simplify]: Simplify 0 into 0 0.259 * [backup-simplify]: Simplify 1 into 1 0.260 * [backup-simplify]: Simplify (/ 1 1) into 1 0.260 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in y 0.260 * [taylor]: Taking taylor expansion of 0.5 in y 0.260 * [backup-simplify]: Simplify 0.5 into 0.5 0.260 * [taylor]: Taking taylor expansion of (/ 1 x) in y 0.260 * [taylor]: Taking taylor expansion of x in y 0.260 * [backup-simplify]: Simplify x into x 0.260 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x) 0.260 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))) in x 0.260 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in x 0.260 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x 0.260 * [taylor]: Taking taylor expansion of 0.5 in x 0.260 * [backup-simplify]: Simplify 0.5 into 0.5 0.260 * [taylor]: Taking taylor expansion of (/ 1 y) in x 0.260 * [taylor]: Taking taylor expansion of y in x 0.260 * [backup-simplify]: Simplify y into y 0.260 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y) 0.260 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x 0.260 * [taylor]: Taking taylor expansion of 0.5 in x 0.260 * [backup-simplify]: Simplify 0.5 into 0.5 0.260 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.260 * [taylor]: Taking taylor expansion of x in x 0.260 * [backup-simplify]: Simplify 0 into 0 0.260 * [backup-simplify]: Simplify 1 into 1 0.261 * [backup-simplify]: Simplify (/ 1 1) into 1 0.261 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))) in x 0.261 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in x 0.261 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x 0.261 * [taylor]: Taking taylor expansion of 0.5 in x 0.261 * [backup-simplify]: Simplify 0.5 into 0.5 0.261 * [taylor]: Taking taylor expansion of (/ 1 y) in x 0.261 * [taylor]: Taking taylor expansion of y in x 0.261 * [backup-simplify]: Simplify y into y 0.261 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y) 0.261 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x 0.261 * [taylor]: Taking taylor expansion of 0.5 in x 0.261 * [backup-simplify]: Simplify 0.5 into 0.5 0.261 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.261 * [taylor]: Taking taylor expansion of x in x 0.261 * [backup-simplify]: Simplify 0 into 0 0.261 * [backup-simplify]: Simplify 1 into 1 0.261 * [backup-simplify]: Simplify (/ 1 1) into 1 0.262 * [backup-simplify]: Simplify (* 0.5 1) into 0.5 0.262 * [backup-simplify]: Simplify (+ 0 0.5) into 0.5 0.262 * [backup-simplify]: Simplify (- 0.5) into (- 0.5) 0.262 * [taylor]: Taking taylor expansion of (- 0.5) in y 0.262 * [taylor]: Taking taylor expansion of 0.5 in y 0.262 * [backup-simplify]: Simplify 0.5 into 0.5 0.263 * [backup-simplify]: Simplify (* 0.5 (/ 1 y)) into (/ 0.5 y) 0.263 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0 0.264 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0 0.264 * [backup-simplify]: Simplify (+ (/ 0.5 y) 0) into (* 0.5 (/ 1 y)) 0.264 * [backup-simplify]: Simplify (- (* 0.5 (/ 1 y))) into (- (* 0.5 (/ 1 y))) 0.264 * [taylor]: Taking taylor expansion of (- (* 0.5 (/ 1 y))) in y 0.264 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y 0.264 * [taylor]: Taking taylor expansion of 0.5 in y 0.264 * [backup-simplify]: Simplify 0.5 into 0.5 0.264 * [taylor]: Taking taylor expansion of (/ 1 y) in y 0.264 * [taylor]: Taking taylor expansion of y in y 0.264 * [backup-simplify]: Simplify 0 into 0 0.264 * [backup-simplify]: Simplify 1 into 1 0.264 * [backup-simplify]: Simplify (/ 1 1) into 1 0.265 * [backup-simplify]: Simplify (* 0.5 1) into 0.5 0.265 * [backup-simplify]: Simplify (- 0.5) into (- 0.5) 0.265 * [backup-simplify]: Simplify (- 0.5) into (- 0.5) 0.266 * [backup-simplify]: Simplify (- 0.5) into (- 0.5) 0.266 * [backup-simplify]: Simplify (- 0.5) into (- 0.5) 0.266 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0 0.266 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 (/ 1 y))) into 0 0.267 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.268 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0 0.268 * [backup-simplify]: Simplify (+ 0 0) into 0 0.269 * [backup-simplify]: Simplify (- 0) into 0 0.269 * [taylor]: Taking taylor expansion of 0 in y 0.269 * [backup-simplify]: Simplify 0 into 0 0.269 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0 0.270 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0 0.270 * [backup-simplify]: Simplify (- 0) into 0 0.270 * [backup-simplify]: Simplify 0 into 0 0.270 * [backup-simplify]: Simplify (- 0) into 0 0.270 * [backup-simplify]: Simplify 0 into 0 0.271 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0 0.271 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 (/ 1 y)))) into 0 0.272 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.273 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0 0.273 * [backup-simplify]: Simplify (+ 0 0) into 0 0.273 * [backup-simplify]: Simplify (- 0) into 0 0.273 * [taylor]: Taking taylor expansion of 0 in y 0.273 * [backup-simplify]: Simplify 0 into 0 0.274 * [backup-simplify]: Simplify 0 into 0 0.274 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.275 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0 0.275 * [backup-simplify]: Simplify (- 0) into 0 0.275 * [backup-simplify]: Simplify 0 into 0 0.276 * [backup-simplify]: Simplify (- 0) into 0 0.276 * [backup-simplify]: Simplify 0 into 0 0.276 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0 0.277 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 y))))) into 0 0.278 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.278 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0 0.279 * [backup-simplify]: Simplify (+ 0 0) into 0 0.279 * [backup-simplify]: Simplify (- 0) into 0 0.279 * [taylor]: Taking taylor expansion of 0 in y 0.279 * [backup-simplify]: Simplify 0 into 0 0.279 * [backup-simplify]: Simplify 0 into 0 0.280 * [backup-simplify]: Simplify (+ (* (- 0.5) (* 1 (/ 1 (/ 1 (- x))))) (* (- 0.5) (* (/ 1 (/ 1 (- y))) 1))) into (+ (* 0.5 x) (* 0.5 y)) 0.280 * * * [progress]: simplifying candidates 0.281 * [simplify]: Simplifying: (* (exp x) (exp (/ (- y x) 2.0))) (log (+ x (/ (- y x) 2.0))) (exp (+ x (/ (- y x) 2.0))) (* (cbrt (+ x (/ (- y x) 2.0))) (cbrt (+ x (/ (- y x) 2.0)))) (cbrt (+ x (/ (- y x) 2.0))) (* (* (+ x (/ (- y x) 2.0)) (+ x (/ (- y x) 2.0))) (+ x (/ (- y x) 2.0))) (sqrt (+ x (/ (- y x) 2.0))) (sqrt (+ x (/ (- y x) 2.0))) (+ (pow x 3) (pow (/ (- y x) 2.0) 3)) (+ (* x x) (- (* (/ (- y x) 2.0) (/ (- y x) 2.0)) (* x (/ (- y x) 2.0)))) (- (* x x) (* (/ (- y x) 2.0) (/ (- y x) 2.0))) (- x (/ (- y x) 2.0)) (+ x (/ (- y x) 2.0)) (+ x (/ y 2.0)) (+ (* 0.5 x) (* 0.5 y)) (+ (* 0.5 x) (* 0.5 y)) (+ (* 0.5 x) (* 0.5 y)) 0.281 * * [simplify]: Extracting # 0 : cost 0 0.281 * * [simplify]: Extracting # 1 : cost 0 0.281 * * [simplify]: Extracting # 2 : cost 0 0.281 * * [simplify]: Extracting # 3 : cost 0 0.282 * * [simplify]: Extracting # 4 : cost 0 0.282 * * [simplify]: Extracting # 5 : cost 0 0.282 * * [simplify]: Extracting # 6 : cost 0 0.282 * * [simplify]: iteration 0 : 33 enodes (cost 178 ) 0.292 * * [simplify]: Extracting # 0 : cost 0 0.292 * * [simplify]: Extracting # 1 : cost 0 0.292 * * [simplify]: Extracting # 2 : cost 0 0.292 * * [simplify]: Extracting # 3 : cost 0 0.292 * * [simplify]: Extracting # 4 : cost 0 0.292 * * [simplify]: iteration 1 : 92 enodes (cost 165 ) 0.322 * * [simplify]: Extracting # 0 : cost 0 0.323 * * [simplify]: Extracting # 1 : cost 0 0.323 * * [simplify]: Extracting # 2 : cost 0 0.323 * * [simplify]: Extracting # 3 : cost 0 0.324 * * [simplify]: Extracting # 4 : cost 0 0.324 * * [simplify]: iteration 2 : 240 enodes (cost 151 ) 0.418 * * [simplify]: Extracting # 0 : cost 0 0.420 * * [simplify]: Extracting # 1 : cost 0 0.421 * * [simplify]: Extracting # 2 : cost 0 0.422 * * [simplify]: Extracting # 3 : cost 0 0.423 * * [simplify]: Extracting # 4 : cost 0 0.424 * * [simplify]: iteration 3 : 684 enodes (cost 151 ) 1.027 * * [simplify]: Extracting # 0 : cost 0 1.031 * * [simplify]: Extracting # 1 : cost 0 1.042 * * [simplify]: Extracting # 2 : cost 0 1.047 * * [simplify]: Extracting # 3 : cost 0 1.051 * * [simplify]: iteration 4 : 3234 enodes (cost 151 ) 2.141 * * [simplify]: Extracting # 0 : cost 0 2.147 * * [simplify]: Extracting # 1 : cost 0 2.154 * * [simplify]: Extracting # 2 : cost 0 2.167 * * [simplify]: Extracting # 3 : cost 0 2.173 * * [simplify]: Extracting # 4 : cost 0 2.179 * * [simplify]: Extracting # 5 : cost 0 2.184 * * [simplify]: iteration done: 5001 enodes (cost 151 ) 2.185 * [simplify]: Simplified to: (exp (+ x (/ (- y x) 2.0))) (log (+ x (/ (- y x) 2.0))) (exp (+ x (/ (- y x) 2.0))) (* (cbrt (+ x (/ (- y x) 2.0))) (cbrt (+ x (/ (- y x) 2.0)))) (cbrt (+ x (/ (- y x) 2.0))) (pow (+ x (/ (- y x) 2.0)) 3) (sqrt (+ x (/ (- y x) 2.0))) (sqrt (+ x (/ (- y x) 2.0))) (+ (pow x 3) (pow (/ (- y x) 2.0) 3)) (+ (* x x) (* (/ (- y x) 2.0) (- (/ (- y x) 2.0) x))) (- (* x x) (* (/ (- y x) 2.0) (/ (- y x) 2.0))) (- x (/ (- y x) 2.0)) (+ x (/ (- y x) 2.0)) (+ x (/ y 2.0)) (* 0.5 (+ x y)) (* 0.5 (+ x y)) (* 0.5 (+ x y)) 2.185 * * * [progress]: adding candidates to table 2.213 * * [progress]: iteration 2 / 4 2.213 * * * [progress]: picking best candidate 2.214 * * * * [pick]: Picked # 2.214 * * * [progress]: localizing error 2.220 * * * [progress]: generating rewritten candidates 2.220 * * * [progress]: generating series expansions 2.220 * * * [progress]: simplifying candidates 2.220 * [simplify]: Simplifying: 2.220 * * [simplify]: Extracting # 0 : cost 0 2.220 * * [simplify]: iteration 0 : 0 enodes (cost 0 ) 2.220 * * [simplify]: Extracting # 0 : cost 0 2.220 * * [simplify]: iteration done: 0 enodes (cost 0 ) 2.220 * [simplify]: Simplified to: 2.220 * * * [progress]: adding candidates to table 2.221 * [progress]: [Phase 3 of 3] Extracting. 2.226 * [simplify]: Simplifying: (* 0.5 (+ x y)) 2.226 * * [simplify]: Extracting # 0 : cost 0 2.226 * * [simplify]: Extracting # 1 : cost 0 2.226 * * [simplify]: Extracting # 2 : cost 0 2.226 * * [simplify]: Extracting # 3 : cost 0 2.226 * * [simplify]: Extracting # 4 : cost 0 2.226 * * [simplify]: iteration 0 : 5 enodes (cost 5 ) 2.227 * * [simplify]: Extracting # 0 : cost 0 2.227 * * [simplify]: iteration 1 : 7 enodes (cost 5 ) 2.227 * * [simplify]: Extracting # 0 : cost 0 2.227 * * [simplify]: iteration done: 7 enodes (cost 5 ) 2.227 * [simplify]: Simplified to: (* 0.5 (+ x y)) 2.935 * [regime-testing]: Baseline error score: 0 2.937 * [regime-testing]: Oracle error score: 0 2.938 * [regime-testing]: End program error score: 0 2.956 * [regime-testing]: Target error score: 0