11.769 * [progress]: [Phase 1 of 3] Setting up. 0.001 * * * [progress]: [1/2] Preparing points 0.026 * * * [progress]: [2/2] Setting up program. 0.031 * [progress]: [Phase 2 of 3] Improving. 0.031 * [simplify]: Simplifying: (+ x (/ (- y x) 2.0)) 0.031 * * [simplify]: Extracting # 0 : cost 0 0.031 * * [simplify]: Extracting # 1 : cost 0 0.031 * * [simplify]: Extracting # 2 : cost 0 0.031 * * [simplify]: Extracting # 3 : cost 0 0.031 * * [simplify]: Extracting # 4 : cost 0 0.031 * * [simplify]: Extracting # 5 : cost 0 0.031 * * [simplify]: iteration 0 : 6 enodes (cost 7 ) 0.033 * * [simplify]: Extracting # 0 : cost 0 0.033 * * [simplify]: Extracting # 1 : cost 0 0.033 * * [simplify]: Extracting # 2 : cost 0 0.034 * * [simplify]: iteration 1 : 12 enodes (cost 7 ) 0.037 * * [simplify]: Extracting # 0 : cost 0 0.037 * * [simplify]: Extracting # 1 : cost 0 0.037 * * [simplify]: Extracting # 2 : cost 0 0.037 * * [simplify]: iteration 2 : 19 enodes (cost 7 ) 0.043 * * [simplify]: Extracting # 0 : cost 0 0.043 * * [simplify]: Extracting # 1 : cost 0 0.043 * * [simplify]: Extracting # 2 : cost 0 0.043 * * [simplify]: iteration 3 : 28 enodes (cost 7 ) 0.051 * * [simplify]: Extracting # 0 : cost 0 0.051 * * [simplify]: Extracting # 1 : cost 0 0.051 * * [simplify]: Extracting # 2 : cost 0 0.051 * * [simplify]: iteration 4 : 39 enodes (cost 7 ) 0.065 * * [simplify]: Extracting # 0 : cost 0 0.066 * * [simplify]: Extracting # 1 : cost 0 0.066 * * [simplify]: Extracting # 2 : cost 0 0.066 * * [simplify]: iteration 5 : 96 enodes (cost 7 ) 0.106 * * [simplify]: Extracting # 0 : cost 0 0.106 * * [simplify]: Extracting # 1 : cost 0 0.107 * * [simplify]: Extracting # 2 : cost 0 0.107 * * [simplify]: iteration 6 : 220 enodes (cost 7 ) 0.206 * * [simplify]: Extracting # 0 : cost 0 0.208 * * [simplify]: Extracting # 1 : cost 0 0.209 * * [simplify]: Extracting # 2 : cost 0 0.210 * * [simplify]: iteration 7 : 607 enodes (cost 7 ) 0.862 * * [simplify]: Extracting # 0 : cost 0 0.867 * * [simplify]: Extracting # 1 : cost 0 0.872 * * [simplify]: Extracting # 2 : cost 0 0.877 * * [simplify]: iteration 8 : 2030 enodes (cost 7 ) 2.141 * * [simplify]: Extracting # 0 : cost 0 2.151 * * [simplify]: Extracting # 1 : cost 0 2.173 * * [simplify]: Extracting # 2 : cost 0 2.183 * * [simplify]: iteration done: 5001 enodes (cost 7 ) 2.183 * [simplify]: Simplified to: (+ x (/ (- y x) 2.0)) 2.184 * * [progress]: iteration 1 / 4 2.184 * * * [progress]: picking best candidate 2.189 * * * * [pick]: Picked # 2.189 * * * [progress]: localizing error 2.204 * * * [progress]: generating rewritten candidates 2.204 * * * * [progress]: [ 1 / 1 ] rewriting at (2) 2.247 * * * [progress]: generating series expansions 2.247 * * * * [progress]: [ 1 / 1 ] generating series at (2) 2.247 * [backup-simplify]: Simplify (+ x (/ (- y x) 2.0)) into (+ (* 0.5 x) (* 0.5 y)) 2.247 * [approximate]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in (x y) around 0 2.247 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in y 2.247 * [taylor]: Taking taylor expansion of (* 0.5 x) in y 2.247 * [taylor]: Taking taylor expansion of 0.5 in y 2.247 * [backup-simplify]: Simplify 0.5 into 0.5 2.247 * [taylor]: Taking taylor expansion of x in y 2.248 * [backup-simplify]: Simplify x into x 2.248 * [taylor]: Taking taylor expansion of (* 0.5 y) in y 2.248 * [taylor]: Taking taylor expansion of 0.5 in y 2.248 * [backup-simplify]: Simplify 0.5 into 0.5 2.248 * [taylor]: Taking taylor expansion of y in y 2.248 * [backup-simplify]: Simplify 0 into 0 2.248 * [backup-simplify]: Simplify 1 into 1 2.248 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in x 2.248 * [taylor]: Taking taylor expansion of (* 0.5 x) in x 2.248 * [taylor]: Taking taylor expansion of 0.5 in x 2.248 * [backup-simplify]: Simplify 0.5 into 0.5 2.248 * [taylor]: Taking taylor expansion of x in x 2.248 * [backup-simplify]: Simplify 0 into 0 2.248 * [backup-simplify]: Simplify 1 into 1 2.248 * [taylor]: Taking taylor expansion of (* 0.5 y) in x 2.248 * [taylor]: Taking taylor expansion of 0.5 in x 2.248 * [backup-simplify]: Simplify 0.5 into 0.5 2.248 * [taylor]: Taking taylor expansion of y in x 2.248 * [backup-simplify]: Simplify y into y 2.248 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in x 2.248 * [taylor]: Taking taylor expansion of (* 0.5 x) in x 2.248 * [taylor]: Taking taylor expansion of 0.5 in x 2.248 * [backup-simplify]: Simplify 0.5 into 0.5 2.248 * [taylor]: Taking taylor expansion of x in x 2.248 * [backup-simplify]: Simplify 0 into 0 2.248 * [backup-simplify]: Simplify 1 into 1 2.248 * [taylor]: Taking taylor expansion of (* 0.5 y) in x 2.248 * [taylor]: Taking taylor expansion of 0.5 in x 2.248 * [backup-simplify]: Simplify 0.5 into 0.5 2.248 * [taylor]: Taking taylor expansion of y in x 2.248 * [backup-simplify]: Simplify y into y 2.249 * [backup-simplify]: Simplify (* 0.5 0) into 0 2.249 * [backup-simplify]: Simplify (* 0.5 y) into (* 0.5 y) 2.249 * [backup-simplify]: Simplify (+ 0 (* 0.5 y)) into (* 0.5 y) 2.249 * [taylor]: Taking taylor expansion of (* 0.5 y) in y 2.249 * [taylor]: Taking taylor expansion of 0.5 in y 2.249 * [backup-simplify]: Simplify 0.5 into 0.5 2.249 * [taylor]: Taking taylor expansion of y in y 2.249 * [backup-simplify]: Simplify 0 into 0 2.249 * [backup-simplify]: Simplify 1 into 1 2.250 * [backup-simplify]: Simplify (* 0.5 0) into 0 2.250 * [backup-simplify]: Simplify 0 into 0 2.252 * [backup-simplify]: Simplify (+ (* 0.5 1) (* 0 0)) into 0.5 2.252 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 y)) into 0 2.253 * [backup-simplify]: Simplify (+ 0.5 0) into 0.5 2.253 * [taylor]: Taking taylor expansion of 0.5 in y 2.253 * [backup-simplify]: Simplify 0.5 into 0.5 2.253 * [backup-simplify]: Simplify 0.5 into 0.5 2.254 * [backup-simplify]: Simplify (+ (* 0.5 1) (* 0 0)) into 0.5 2.254 * [backup-simplify]: Simplify 0.5 into 0.5 2.255 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 1) (* 0 0))) into 0 2.256 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 y))) into 0 2.256 * [backup-simplify]: Simplify (+ 0 0) into 0 2.256 * [taylor]: Taking taylor expansion of 0 in y 2.257 * [backup-simplify]: Simplify 0 into 0 2.257 * [backup-simplify]: Simplify 0 into 0 2.257 * [backup-simplify]: Simplify 0 into 0 2.258 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 1) (* 0 0))) into 0 2.258 * [backup-simplify]: Simplify 0 into 0 2.259 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0 2.260 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))) into 0 2.260 * [backup-simplify]: Simplify (+ 0 0) into 0 2.260 * [taylor]: Taking taylor expansion of 0 in y 2.260 * [backup-simplify]: Simplify 0 into 0 2.261 * [backup-simplify]: Simplify 0 into 0 2.261 * [backup-simplify]: Simplify 0 into 0 2.261 * [backup-simplify]: Simplify 0 into 0 2.261 * [backup-simplify]: Simplify (+ (* 0.5 (* y 1)) (* 0.5 (* 1 x))) into (+ (* 0.5 x) (* 0.5 y)) 2.261 * [backup-simplify]: Simplify (+ (/ 1 x) (/ (- (/ 1 y) (/ 1 x)) 2.0)) into (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) 2.261 * [approximate]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in (x y) around 0 2.261 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in y 2.261 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y 2.261 * [taylor]: Taking taylor expansion of 0.5 in y 2.261 * [backup-simplify]: Simplify 0.5 into 0.5 2.261 * [taylor]: Taking taylor expansion of (/ 1 y) in y 2.261 * [taylor]: Taking taylor expansion of y in y 2.261 * [backup-simplify]: Simplify 0 into 0 2.261 * [backup-simplify]: Simplify 1 into 1 2.262 * [backup-simplify]: Simplify (/ 1 1) into 1 2.262 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in y 2.262 * [taylor]: Taking taylor expansion of 0.5 in y 2.262 * [backup-simplify]: Simplify 0.5 into 0.5 2.262 * [taylor]: Taking taylor expansion of (/ 1 x) in y 2.262 * [taylor]: Taking taylor expansion of x in y 2.262 * [backup-simplify]: Simplify x into x 2.262 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x) 2.262 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in x 2.262 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x 2.262 * [taylor]: Taking taylor expansion of 0.5 in x 2.262 * [backup-simplify]: Simplify 0.5 into 0.5 2.262 * [taylor]: Taking taylor expansion of (/ 1 y) in x 2.262 * [taylor]: Taking taylor expansion of y in x 2.262 * [backup-simplify]: Simplify y into y 2.262 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y) 2.262 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x 2.262 * [taylor]: Taking taylor expansion of 0.5 in x 2.262 * [backup-simplify]: Simplify 0.5 into 0.5 2.262 * [taylor]: Taking taylor expansion of (/ 1 x) in x 2.263 * [taylor]: Taking taylor expansion of x in x 2.263 * [backup-simplify]: Simplify 0 into 0 2.263 * [backup-simplify]: Simplify 1 into 1 2.263 * [backup-simplify]: Simplify (/ 1 1) into 1 2.263 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in x 2.263 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x 2.263 * [taylor]: Taking taylor expansion of 0.5 in x 2.263 * [backup-simplify]: Simplify 0.5 into 0.5 2.263 * [taylor]: Taking taylor expansion of (/ 1 y) in x 2.263 * [taylor]: Taking taylor expansion of y in x 2.263 * [backup-simplify]: Simplify y into y 2.263 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y) 2.263 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x 2.263 * [taylor]: Taking taylor expansion of 0.5 in x 2.263 * [backup-simplify]: Simplify 0.5 into 0.5 2.263 * [taylor]: Taking taylor expansion of (/ 1 x) in x 2.263 * [taylor]: Taking taylor expansion of x in x 2.263 * [backup-simplify]: Simplify 0 into 0 2.263 * [backup-simplify]: Simplify 1 into 1 2.264 * [backup-simplify]: Simplify (/ 1 1) into 1 2.264 * [backup-simplify]: Simplify (* 0.5 1) into 0.5 2.265 * [backup-simplify]: Simplify (+ 0 0.5) into 0.5 2.265 * [taylor]: Taking taylor expansion of 0.5 in y 2.265 * [backup-simplify]: Simplify 0.5 into 0.5 2.265 * [backup-simplify]: Simplify (* 0.5 (/ 1 y)) into (/ 0.5 y) 2.266 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0 2.266 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0 2.267 * [backup-simplify]: Simplify (+ (/ 0.5 y) 0) into (* 0.5 (/ 1 y)) 2.267 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y 2.267 * [taylor]: Taking taylor expansion of 0.5 in y 2.267 * [backup-simplify]: Simplify 0.5 into 0.5 2.267 * [taylor]: Taking taylor expansion of (/ 1 y) in y 2.267 * [taylor]: Taking taylor expansion of y in y 2.267 * [backup-simplify]: Simplify 0 into 0 2.267 * [backup-simplify]: Simplify 1 into 1 2.267 * [backup-simplify]: Simplify (/ 1 1) into 1 2.268 * [backup-simplify]: Simplify (* 0.5 1) into 0.5 2.268 * [backup-simplify]: Simplify 0.5 into 0.5 2.268 * [backup-simplify]: Simplify 0.5 into 0.5 2.268 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0 2.268 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 (/ 1 y))) into 0 2.269 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0 2.270 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0 2.271 * [backup-simplify]: Simplify (+ 0 0) into 0 2.271 * [taylor]: Taking taylor expansion of 0 in y 2.271 * [backup-simplify]: Simplify 0 into 0 2.271 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0 2.272 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0 2.272 * [backup-simplify]: Simplify 0 into 0 2.272 * [backup-simplify]: Simplify 0 into 0 2.272 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0 2.273 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 (/ 1 y)))) into 0 2.274 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 2.275 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0 2.276 * [backup-simplify]: Simplify (+ 0 0) into 0 2.276 * [taylor]: Taking taylor expansion of 0 in y 2.276 * [backup-simplify]: Simplify 0 into 0 2.276 * [backup-simplify]: Simplify 0 into 0 2.277 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0 2.278 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0 2.278 * [backup-simplify]: Simplify 0 into 0 2.278 * [backup-simplify]: Simplify 0 into 0 2.278 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0 2.279 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 y))))) into 0 2.280 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 2.281 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0 2.282 * [backup-simplify]: Simplify (+ 0 0) into 0 2.282 * [taylor]: Taking taylor expansion of 0 in y 2.282 * [backup-simplify]: Simplify 0 into 0 2.282 * [backup-simplify]: Simplify 0 into 0 2.282 * [backup-simplify]: Simplify (+ (* 0.5 (* 1 (/ 1 (/ 1 x)))) (* 0.5 (* (/ 1 (/ 1 y)) 1))) into (+ (* 0.5 x) (* 0.5 y)) 2.283 * [backup-simplify]: Simplify (+ (/ 1 (- x)) (/ (- (/ 1 (- y)) (/ 1 (- x))) 2.0)) into (- (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))) 2.283 * [approximate]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))) in (x y) around 0 2.283 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))) in y 2.283 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in y 2.283 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y 2.283 * [taylor]: Taking taylor expansion of 0.5 in y 2.283 * [backup-simplify]: Simplify 0.5 into 0.5 2.283 * [taylor]: Taking taylor expansion of (/ 1 y) in y 2.283 * [taylor]: Taking taylor expansion of y in y 2.283 * [backup-simplify]: Simplify 0 into 0 2.283 * [backup-simplify]: Simplify 1 into 1 2.283 * [backup-simplify]: Simplify (/ 1 1) into 1 2.283 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in y 2.283 * [taylor]: Taking taylor expansion of 0.5 in y 2.283 * [backup-simplify]: Simplify 0.5 into 0.5 2.283 * [taylor]: Taking taylor expansion of (/ 1 x) in y 2.283 * [taylor]: Taking taylor expansion of x in y 2.283 * [backup-simplify]: Simplify x into x 2.283 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x) 2.284 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))) in x 2.284 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in x 2.284 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x 2.284 * [taylor]: Taking taylor expansion of 0.5 in x 2.284 * [backup-simplify]: Simplify 0.5 into 0.5 2.284 * [taylor]: Taking taylor expansion of (/ 1 y) in x 2.284 * [taylor]: Taking taylor expansion of y in x 2.284 * [backup-simplify]: Simplify y into y 2.284 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y) 2.284 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x 2.284 * [taylor]: Taking taylor expansion of 0.5 in x 2.284 * [backup-simplify]: Simplify 0.5 into 0.5 2.284 * [taylor]: Taking taylor expansion of (/ 1 x) in x 2.284 * [taylor]: Taking taylor expansion of x in x 2.284 * [backup-simplify]: Simplify 0 into 0 2.284 * [backup-simplify]: Simplify 1 into 1 2.284 * [backup-simplify]: Simplify (/ 1 1) into 1 2.284 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))) in x 2.284 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in x 2.284 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x 2.284 * [taylor]: Taking taylor expansion of 0.5 in x 2.285 * [backup-simplify]: Simplify 0.5 into 0.5 2.285 * [taylor]: Taking taylor expansion of (/ 1 y) in x 2.285 * [taylor]: Taking taylor expansion of y in x 2.285 * [backup-simplify]: Simplify y into y 2.285 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y) 2.285 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x 2.285 * [taylor]: Taking taylor expansion of 0.5 in x 2.285 * [backup-simplify]: Simplify 0.5 into 0.5 2.285 * [taylor]: Taking taylor expansion of (/ 1 x) in x 2.285 * [taylor]: Taking taylor expansion of x in x 2.285 * [backup-simplify]: Simplify 0 into 0 2.285 * [backup-simplify]: Simplify 1 into 1 2.285 * [backup-simplify]: Simplify (/ 1 1) into 1 2.286 * [backup-simplify]: Simplify (* 0.5 1) into 0.5 2.286 * [backup-simplify]: Simplify (+ 0 0.5) into 0.5 2.287 * [backup-simplify]: Simplify (- 0.5) into (- 0.5) 2.287 * [taylor]: Taking taylor expansion of (- 0.5) in y 2.287 * [taylor]: Taking taylor expansion of 0.5 in y 2.287 * [backup-simplify]: Simplify 0.5 into 0.5 2.287 * [backup-simplify]: Simplify (* 0.5 (/ 1 y)) into (/ 0.5 y) 2.288 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0 2.289 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0 2.289 * [backup-simplify]: Simplify (+ (/ 0.5 y) 0) into (* 0.5 (/ 1 y)) 2.289 * [backup-simplify]: Simplify (- (* 0.5 (/ 1 y))) into (- (* 0.5 (/ 1 y))) 2.289 * [taylor]: Taking taylor expansion of (- (* 0.5 (/ 1 y))) in y 2.289 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y 2.289 * [taylor]: Taking taylor expansion of 0.5 in y 2.289 * [backup-simplify]: Simplify 0.5 into 0.5 2.289 * [taylor]: Taking taylor expansion of (/ 1 y) in y 2.289 * [taylor]: Taking taylor expansion of y in y 2.289 * [backup-simplify]: Simplify 0 into 0 2.289 * [backup-simplify]: Simplify 1 into 1 2.290 * [backup-simplify]: Simplify (/ 1 1) into 1 2.290 * [backup-simplify]: Simplify (* 0.5 1) into 0.5 2.291 * [backup-simplify]: Simplify (- 0.5) into (- 0.5) 2.291 * [backup-simplify]: Simplify (- 0.5) into (- 0.5) 2.291 * [backup-simplify]: Simplify (- 0.5) into (- 0.5) 2.292 * [backup-simplify]: Simplify (- 0.5) into (- 0.5) 2.292 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0 2.293 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 (/ 1 y))) into 0 2.294 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0 2.295 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0 2.295 * [backup-simplify]: Simplify (+ 0 0) into 0 2.295 * [backup-simplify]: Simplify (- 0) into 0 2.295 * [taylor]: Taking taylor expansion of 0 in y 2.295 * [backup-simplify]: Simplify 0 into 0 2.296 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0 2.297 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0 2.297 * [backup-simplify]: Simplify (- 0) into 0 2.297 * [backup-simplify]: Simplify 0 into 0 2.298 * [backup-simplify]: Simplify (- 0) into 0 2.298 * [backup-simplify]: Simplify 0 into 0 2.298 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0 2.299 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 (/ 1 y)))) into 0 2.300 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 2.301 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0 2.301 * [backup-simplify]: Simplify (+ 0 0) into 0 2.302 * [backup-simplify]: Simplify (- 0) into 0 2.302 * [taylor]: Taking taylor expansion of 0 in y 2.302 * [backup-simplify]: Simplify 0 into 0 2.302 * [backup-simplify]: Simplify 0 into 0 2.303 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0 2.310 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0 2.311 * [backup-simplify]: Simplify (- 0) into 0 2.311 * [backup-simplify]: Simplify 0 into 0 2.311 * [backup-simplify]: Simplify (- 0) into 0 2.311 * [backup-simplify]: Simplify 0 into 0 2.311 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0 2.312 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 y))))) into 0 2.313 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 2.315 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0 2.315 * [backup-simplify]: Simplify (+ 0 0) into 0 2.315 * [backup-simplify]: Simplify (- 0) into 0 2.315 * [taylor]: Taking taylor expansion of 0 in y 2.315 * [backup-simplify]: Simplify 0 into 0 2.316 * [backup-simplify]: Simplify 0 into 0 2.317 * [backup-simplify]: Simplify (+ (* (- 0.5) (* 1 (/ 1 (/ 1 (- x))))) (* (- 0.5) (* (/ 1 (/ 1 (- y))) 1))) into (+ (* 0.5 x) (* 0.5 y)) 2.317 * * * [progress]: simplifying candidates 2.318 * [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)) 2.319 * * [simplify]: Extracting # 0 : cost 0 2.319 * * [simplify]: Extracting # 1 : cost 0 2.319 * * [simplify]: Extracting # 2 : cost 0 2.319 * * [simplify]: Extracting # 3 : cost 0 2.319 * * [simplify]: Extracting # 4 : cost 0 2.319 * * [simplify]: Extracting # 5 : cost 0 2.319 * * [simplify]: Extracting # 6 : cost 0 2.319 * * [simplify]: iteration 0 : 33 enodes (cost 178 ) 2.334 * * [simplify]: Extracting # 0 : cost 0 2.334 * * [simplify]: Extracting # 1 : cost 0 2.334 * * [simplify]: Extracting # 2 : cost 0 2.334 * * [simplify]: Extracting # 3 : cost 0 2.335 * * [simplify]: Extracting # 4 : cost 0 2.335 * * [simplify]: iteration 1 : 92 enodes (cost 165 ) 2.378 * * [simplify]: Extracting # 0 : cost 0 2.379 * * [simplify]: Extracting # 1 : cost 0 2.379 * * [simplify]: Extracting # 2 : cost 0 2.380 * * [simplify]: Extracting # 3 : cost 0 2.380 * * [simplify]: Extracting # 4 : cost 0 2.381 * * [simplify]: iteration 2 : 248 enodes (cost 151 ) 2.527 * * [simplify]: Extracting # 0 : cost 0 2.528 * * [simplify]: Extracting # 1 : cost 0 2.530 * * [simplify]: Extracting # 2 : cost 0 2.532 * * [simplify]: Extracting # 3 : cost 0 2.533 * * [simplify]: Extracting # 4 : cost 0 2.535 * * [simplify]: iteration 3 : 806 enodes (cost 151 ) 3.250 * * [simplify]: Extracting # 0 : cost 0 3.262 * * [simplify]: Extracting # 1 : cost 0 3.275 * * [simplify]: Extracting # 2 : cost 0 3.287 * * [simplify]: Extracting # 3 : cost 0 3.307 * * [simplify]: Extracting # 4 : cost 0 3.319 * * [simplify]: Extracting # 5 : cost 0 3.331 * * [simplify]: iteration done: 5000 enodes (cost 151 ) 3.331 * [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)) 3.331 * * * [progress]: adding candidates to table 3.413 * * [progress]: iteration 2 / 4 3.413 * * * [progress]: picking best candidate 3.422 * * * * [pick]: Picked # 3.422 * * * [progress]: localizing error 3.433 * * * [progress]: generating rewritten candidates 3.433 * * * [progress]: generating series expansions 3.433 * * * [progress]: simplifying candidates 3.433 * [simplify]: Simplifying: 3.433 * * [simplify]: Extracting # 0 : cost 0 3.433 * * [simplify]: iteration 0 : 0 enodes (cost 0 ) 3.433 * * [simplify]: Extracting # 0 : cost 0 3.433 * * [simplify]: iteration done: 0 enodes (cost 0 ) 3.433 * [simplify]: Simplified to: 3.433 * * * [progress]: adding candidates to table 3.434 * [progress]: [Phase 3 of 3] Extracting. 3.439 * [simplify]: Simplifying: (* 0.5 (+ x y)) 3.439 * * [simplify]: Extracting # 0 : cost 0 3.439 * * [simplify]: Extracting # 1 : cost 0 3.439 * * [simplify]: Extracting # 2 : cost 0 3.439 * * [simplify]: Extracting # 3 : cost 0 3.439 * * [simplify]: Extracting # 4 : cost 0 3.439 * * [simplify]: iteration 0 : 5 enodes (cost 5 ) 3.439 * * [simplify]: Extracting # 0 : cost 0 3.440 * * [simplify]: iteration 1 : 7 enodes (cost 5 ) 3.440 * * [simplify]: Extracting # 0 : cost 0 3.440 * * [simplify]: iteration done: 7 enodes (cost 5 ) 3.440 * [simplify]: Simplified to: (* 0.5 (+ x y)) 4.578 * [regime-testing]: Baseline error score: 0 4.582 * [regime-testing]: Oracle error score: 0 4.582 * [regime-testing]: End program error score: 0 4.684 * [regime-testing]: Target error score: 0