13.456 * [progress]: [Phase 1 of 3] Setting up. 0.001 * * * [progress]: [1/2] Preparing points 0.023 * * * [progress]: [2/2] Setting up program. 0.026 * [progress]: [Phase 2 of 3] Improving. 0.026 * [simplify]: Simplifying: (+ x (/ (- y x) 2.0)) 0.027 * * [simplify]: Extracting # 0 : cost 0 0.027 * * [simplify]: Extracting # 1 : cost 0 0.027 * * [simplify]: Extracting # 2 : cost 0 0.027 * * [simplify]: Extracting # 3 : cost 0 0.027 * * [simplify]: Extracting # 4 : cost 0 0.027 * * [simplify]: Extracting # 5 : cost 0 0.027 * * [simplify]: iteration 0 : 6 enodes (cost 7 ) 0.029 * * [simplify]: Extracting # 0 : cost 0 0.029 * * [simplify]: Extracting # 1 : cost 0 0.029 * * [simplify]: Extracting # 2 : cost 0 0.029 * * [simplify]: iteration 1 : 12 enodes (cost 7 ) 0.032 * * [simplify]: Extracting # 0 : cost 0 0.032 * * [simplify]: Extracting # 1 : cost 0 0.032 * * [simplify]: Extracting # 2 : cost 0 0.032 * * [simplify]: iteration 2 : 19 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 3 : 28 enodes (cost 7 ) 0.045 * * [simplify]: Extracting # 0 : cost 0 0.045 * * [simplify]: Extracting # 1 : cost 0 0.045 * * [simplify]: Extracting # 2 : cost 0 0.045 * * [simplify]: iteration 4 : 39 enodes (cost 7 ) 0.056 * * [simplify]: Extracting # 0 : cost 0 0.057 * * [simplify]: Extracting # 1 : cost 0 0.057 * * [simplify]: Extracting # 2 : cost 0 0.057 * * [simplify]: iteration 5 : 44 enodes (cost 7 ) 0.067 * * [simplify]: Extracting # 0 : cost 0 0.068 * * [simplify]: Extracting # 1 : cost 0 0.068 * * [simplify]: Extracting # 2 : cost 0 0.068 * * [simplify]: iteration 6 : 49 enodes (cost 7 ) 0.079 * * [simplify]: Extracting # 0 : cost 0 0.079 * * [simplify]: Extracting # 1 : cost 0 0.079 * * [simplify]: Extracting # 2 : cost 0 0.079 * * [simplify]: iteration 7 : 58 enodes (cost 7 ) 0.100 * * [simplify]: Extracting # 0 : cost 0 0.101 * * [simplify]: Extracting # 1 : cost 0 0.101 * * [simplify]: Extracting # 2 : cost 0 0.101 * * [simplify]: iteration 8 : 75 enodes (cost 7 ) 0.123 * * [simplify]: Extracting # 0 : cost 0 0.123 * * [simplify]: Extracting # 1 : cost 0 0.123 * * [simplify]: Extracting # 2 : cost 0 0.123 * * [simplify]: iteration 9 : 91 enodes (cost 7 ) 0.144 * * [simplify]: Extracting # 0 : cost 0 0.144 * * [simplify]: Extracting # 1 : cost 0 0.144 * * [simplify]: iteration 10 : 102 enodes (cost 7 ) 0.161 * * [simplify]: Extracting # 0 : cost 0 0.161 * * [simplify]: Extracting # 1 : cost 0 0.161 * * [simplify]: Extracting # 2 : cost 0 0.161 * * [simplify]: iteration 11 : 104 enodes (cost 7 ) 0.188 * * [simplify]: Extracting # 0 : cost 0 0.189 * * [simplify]: Extracting # 1 : cost 0 0.189 * * [simplify]: Extracting # 2 : cost 0 0.189 * * [simplify]: iteration 12 : 108 enodes (cost 7 ) 0.216 * * [simplify]: Extracting # 0 : cost 0 0.216 * * [simplify]: Extracting # 1 : cost 0 0.216 * * [simplify]: iteration 13 : 109 enodes (cost 7 ) 0.240 * * [simplify]: Extracting # 0 : cost 0 0.241 * * [simplify]: iteration done: 109 enodes (cost 7 ) 0.241 * [simplify]: Simplified to: (+ x (/ (- y x) 2.0)) 0.241 * * [progress]: iteration 1 / 4 0.241 * * * [progress]: picking best candidate 0.243 * * * * [pick]: Picked # 0.243 * * * [progress]: localizing error 0.252 * * * [progress]: generating rewritten candidates 0.252 * * * * [progress]: [ 1 / 1 ] rewriting at (2) 0.288 * * * [progress]: generating series expansions 0.288 * * * * [progress]: [ 1 / 1 ] generating series at (2) 0.288 * [backup-simplify]: Simplify (+ x (/ (- y x) 2.0)) into (+ (* 0.5 x) (* 0.5 y)) 0.288 * [approximate]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in (x y) around 0 0.288 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in y 0.288 * [taylor]: Taking taylor expansion of (* 0.5 x) in y 0.288 * [taylor]: Taking taylor expansion of 0.5 in y 0.289 * [backup-simplify]: Simplify 0.5 into 0.5 0.289 * [taylor]: Taking taylor expansion of x in y 0.289 * [backup-simplify]: Simplify x into x 0.289 * [taylor]: Taking taylor expansion of (* 0.5 y) in y 0.289 * [taylor]: Taking taylor expansion of 0.5 in y 0.289 * [backup-simplify]: Simplify 0.5 into 0.5 0.289 * [taylor]: Taking taylor expansion of y in y 0.289 * [backup-simplify]: Simplify 0 into 0 0.289 * [backup-simplify]: Simplify 1 into 1 0.289 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in x 0.289 * [taylor]: Taking taylor expansion of (* 0.5 x) in x 0.289 * [taylor]: Taking taylor expansion of 0.5 in x 0.289 * [backup-simplify]: Simplify 0.5 into 0.5 0.289 * [taylor]: Taking taylor expansion of x in x 0.289 * [backup-simplify]: Simplify 0 into 0 0.289 * [backup-simplify]: Simplify 1 into 1 0.289 * [taylor]: Taking taylor expansion of (* 0.5 y) in x 0.289 * [taylor]: Taking taylor expansion of 0.5 in x 0.289 * [backup-simplify]: Simplify 0.5 into 0.5 0.289 * [taylor]: Taking taylor expansion of y in x 0.289 * [backup-simplify]: Simplify y into y 0.289 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in x 0.289 * [taylor]: Taking taylor expansion of (* 0.5 x) in x 0.289 * [taylor]: Taking taylor expansion of 0.5 in x 0.289 * [backup-simplify]: Simplify 0.5 into 0.5 0.289 * [taylor]: Taking taylor expansion of x in x 0.289 * [backup-simplify]: Simplify 0 into 0 0.289 * [backup-simplify]: Simplify 1 into 1 0.289 * [taylor]: Taking taylor expansion of (* 0.5 y) in x 0.289 * [taylor]: Taking taylor expansion of 0.5 in x 0.289 * [backup-simplify]: Simplify 0.5 into 0.5 0.289 * [taylor]: Taking taylor expansion of y in x 0.289 * [backup-simplify]: Simplify y into y 0.290 * [backup-simplify]: Simplify (* 0.5 0) into 0 0.290 * [backup-simplify]: Simplify (* 0.5 y) into (* 0.5 y) 0.290 * [backup-simplify]: Simplify (+ 0 (* 0.5 y)) into (* 0.5 y) 0.290 * [taylor]: Taking taylor expansion of (* 0.5 y) in y 0.290 * [taylor]: Taking taylor expansion of 0.5 in y 0.290 * [backup-simplify]: Simplify 0.5 into 0.5 0.290 * [taylor]: Taking taylor expansion of y in y 0.290 * [backup-simplify]: Simplify 0 into 0 0.290 * [backup-simplify]: Simplify 1 into 1 0.291 * [backup-simplify]: Simplify (* 0.5 0) into 0 0.291 * [backup-simplify]: Simplify 0 into 0 0.292 * [backup-simplify]: Simplify (+ (* 0.5 1) (* 0 0)) into 0.5 0.292 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 y)) into 0 0.292 * [backup-simplify]: Simplify (+ 0.5 0) into 0.5 0.293 * [taylor]: Taking taylor expansion of 0.5 in y 0.293 * [backup-simplify]: Simplify 0.5 into 0.5 0.293 * [backup-simplify]: Simplify 0.5 into 0.5 0.294 * [backup-simplify]: Simplify (+ (* 0.5 1) (* 0 0)) into 0.5 0.294 * [backup-simplify]: Simplify 0.5 into 0.5 0.294 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 1) (* 0 0))) into 0 0.295 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 y))) into 0 0.295 * [backup-simplify]: Simplify (+ 0 0) into 0 0.295 * [taylor]: Taking taylor expansion of 0 in y 0.295 * [backup-simplify]: Simplify 0 into 0 0.296 * [backup-simplify]: Simplify 0 into 0 0.296 * [backup-simplify]: Simplify 0 into 0 0.296 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 1) (* 0 0))) into 0 0.296 * [backup-simplify]: Simplify 0 into 0 0.298 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0 0.299 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))) into 0 0.299 * [backup-simplify]: Simplify (+ 0 0) into 0 0.299 * [taylor]: Taking taylor expansion of 0 in y 0.299 * [backup-simplify]: Simplify 0 into 0 0.299 * [backup-simplify]: Simplify 0 into 0 0.299 * [backup-simplify]: Simplify 0 into 0 0.299 * [backup-simplify]: Simplify 0 into 0 0.299 * [backup-simplify]: Simplify (+ (* 0.5 (* y 1)) (* 0.5 (* 1 x))) into (+ (* 0.5 x) (* 0.5 y)) 0.299 * [backup-simplify]: Simplify (+ (/ 1 x) (/ (- (/ 1 y) (/ 1 x)) 2.0)) into (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) 0.299 * [approximate]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in (x y) around 0 0.299 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in y 0.299 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y 0.300 * [taylor]: Taking taylor expansion of 0.5 in y 0.300 * [backup-simplify]: Simplify 0.5 into 0.5 0.300 * [taylor]: Taking taylor expansion of (/ 1 y) in y 0.300 * [taylor]: Taking taylor expansion of y in y 0.300 * [backup-simplify]: Simplify 0 into 0 0.300 * [backup-simplify]: Simplify 1 into 1 0.300 * [backup-simplify]: Simplify (/ 1 1) into 1 0.300 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in y 0.300 * [taylor]: Taking taylor expansion of 0.5 in y 0.300 * [backup-simplify]: Simplify 0.5 into 0.5 0.300 * [taylor]: Taking taylor expansion of (/ 1 x) in y 0.300 * [taylor]: Taking taylor expansion of x in y 0.300 * [backup-simplify]: Simplify x into x 0.300 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x) 0.300 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in x 0.300 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x 0.300 * [taylor]: Taking taylor expansion of 0.5 in x 0.300 * [backup-simplify]: Simplify 0.5 into 0.5 0.300 * [taylor]: Taking taylor expansion of (/ 1 y) in x 0.300 * [taylor]: Taking taylor expansion of y in x 0.300 * [backup-simplify]: Simplify y into y 0.300 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y) 0.300 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x 0.300 * [taylor]: Taking taylor expansion of 0.5 in x 0.300 * [backup-simplify]: Simplify 0.5 into 0.5 0.301 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.301 * [taylor]: Taking taylor expansion of x in x 0.301 * [backup-simplify]: Simplify 0 into 0 0.301 * [backup-simplify]: Simplify 1 into 1 0.301 * [backup-simplify]: Simplify (/ 1 1) into 1 0.301 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in x 0.301 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x 0.301 * [taylor]: Taking taylor expansion of 0.5 in x 0.301 * [backup-simplify]: Simplify 0.5 into 0.5 0.301 * [taylor]: Taking taylor expansion of (/ 1 y) in x 0.301 * [taylor]: Taking taylor expansion of y in x 0.301 * [backup-simplify]: Simplify y into y 0.301 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y) 0.301 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x 0.301 * [taylor]: Taking taylor expansion of 0.5 in x 0.301 * [backup-simplify]: Simplify 0.5 into 0.5 0.301 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.301 * [taylor]: Taking taylor expansion of x in x 0.301 * [backup-simplify]: Simplify 0 into 0 0.301 * [backup-simplify]: Simplify 1 into 1 0.302 * [backup-simplify]: Simplify (/ 1 1) into 1 0.302 * [backup-simplify]: Simplify (* 0.5 1) into 0.5 0.302 * [backup-simplify]: Simplify (+ 0 0.5) into 0.5 0.302 * [taylor]: Taking taylor expansion of 0.5 in y 0.302 * [backup-simplify]: Simplify 0.5 into 0.5 0.302 * [backup-simplify]: Simplify (* 0.5 (/ 1 y)) into (/ 0.5 y) 0.303 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0 0.304 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0 0.304 * [backup-simplify]: Simplify (+ (/ 0.5 y) 0) into (* 0.5 (/ 1 y)) 0.304 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y 0.304 * [taylor]: Taking taylor expansion of 0.5 in y 0.304 * [backup-simplify]: Simplify 0.5 into 0.5 0.304 * [taylor]: Taking taylor expansion of (/ 1 y) in y 0.304 * [taylor]: Taking taylor expansion of y in y 0.304 * [backup-simplify]: Simplify 0 into 0 0.304 * [backup-simplify]: Simplify 1 into 1 0.304 * [backup-simplify]: Simplify (/ 1 1) into 1 0.305 * [backup-simplify]: Simplify (* 0.5 1) into 0.5 0.305 * [backup-simplify]: Simplify 0.5 into 0.5 0.305 * [backup-simplify]: Simplify 0.5 into 0.5 0.305 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0 0.305 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 (/ 1 y))) into 0 0.306 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.307 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0 0.307 * [backup-simplify]: Simplify (+ 0 0) into 0 0.307 * [taylor]: Taking taylor expansion of 0 in y 0.307 * [backup-simplify]: Simplify 0 into 0 0.308 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0 0.308 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0 0.308 * [backup-simplify]: Simplify 0 into 0 0.308 * [backup-simplify]: Simplify 0 into 0 0.309 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0 0.309 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 (/ 1 y)))) into 0 0.310 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.311 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0 0.311 * [backup-simplify]: Simplify (+ 0 0) into 0 0.311 * [taylor]: Taking taylor expansion of 0 in y 0.311 * [backup-simplify]: Simplify 0 into 0 0.311 * [backup-simplify]: Simplify 0 into 0 0.312 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.313 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0 0.313 * [backup-simplify]: Simplify 0 into 0 0.313 * [backup-simplify]: Simplify 0 into 0 0.313 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0 0.314 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 y))))) into 0 0.315 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.316 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0 0.316 * [backup-simplify]: Simplify (+ 0 0) into 0 0.316 * [taylor]: Taking taylor expansion of 0 in y 0.316 * [backup-simplify]: Simplify 0 into 0 0.316 * [backup-simplify]: Simplify 0 into 0 0.316 * [backup-simplify]: Simplify (+ (* 0.5 (* 1 (/ 1 (/ 1 x)))) (* 0.5 (* (/ 1 (/ 1 y)) 1))) into (+ (* 0.5 x) (* 0.5 y)) 0.316 * [backup-simplify]: Simplify (+ (/ 1 (- x)) (/ (- (/ 1 (- y)) (/ 1 (- x))) 2.0)) into (- (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))) 0.316 * [approximate]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))) in (x y) around 0 0.316 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))) in y 0.317 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in y 0.317 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y 0.317 * [taylor]: Taking taylor expansion of 0.5 in y 0.317 * [backup-simplify]: Simplify 0.5 into 0.5 0.317 * [taylor]: Taking taylor expansion of (/ 1 y) in y 0.317 * [taylor]: Taking taylor expansion of y in y 0.317 * [backup-simplify]: Simplify 0 into 0 0.317 * [backup-simplify]: Simplify 1 into 1 0.317 * [backup-simplify]: Simplify (/ 1 1) into 1 0.317 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in y 0.317 * [taylor]: Taking taylor expansion of 0.5 in y 0.318 * [backup-simplify]: Simplify 0.5 into 0.5 0.318 * [taylor]: Taking taylor expansion of (/ 1 x) in y 0.318 * [taylor]: Taking taylor expansion of x in y 0.318 * [backup-simplify]: Simplify x into x 0.318 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x) 0.318 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))) in x 0.318 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in x 0.318 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x 0.318 * [taylor]: Taking taylor expansion of 0.5 in x 0.318 * [backup-simplify]: Simplify 0.5 into 0.5 0.318 * [taylor]: Taking taylor expansion of (/ 1 y) in x 0.318 * [taylor]: Taking taylor expansion of y in x 0.318 * [backup-simplify]: Simplify y into y 0.318 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y) 0.318 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x 0.318 * [taylor]: Taking taylor expansion of 0.5 in x 0.318 * [backup-simplify]: Simplify 0.5 into 0.5 0.318 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.318 * [taylor]: Taking taylor expansion of x in x 0.318 * [backup-simplify]: Simplify 0 into 0 0.318 * [backup-simplify]: Simplify 1 into 1 0.319 * [backup-simplify]: Simplify (/ 1 1) into 1 0.319 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))) in x 0.319 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in x 0.319 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x 0.319 * [taylor]: Taking taylor expansion of 0.5 in x 0.319 * [backup-simplify]: Simplify 0.5 into 0.5 0.319 * [taylor]: Taking taylor expansion of (/ 1 y) in x 0.319 * [taylor]: Taking taylor expansion of y in x 0.319 * [backup-simplify]: Simplify y into y 0.319 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y) 0.319 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x 0.319 * [taylor]: Taking taylor expansion of 0.5 in x 0.319 * [backup-simplify]: Simplify 0.5 into 0.5 0.319 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.319 * [taylor]: Taking taylor expansion of x in x 0.319 * [backup-simplify]: Simplify 0 into 0 0.319 * [backup-simplify]: Simplify 1 into 1 0.319 * [backup-simplify]: Simplify (/ 1 1) into 1 0.320 * [backup-simplify]: Simplify (* 0.5 1) into 0.5 0.320 * [backup-simplify]: Simplify (+ 0 0.5) into 0.5 0.320 * [backup-simplify]: Simplify (- 0.5) into (- 0.5) 0.320 * [taylor]: Taking taylor expansion of (- 0.5) in y 0.321 * [taylor]: Taking taylor expansion of 0.5 in y 0.321 * [backup-simplify]: Simplify 0.5 into 0.5 0.321 * [backup-simplify]: Simplify (* 0.5 (/ 1 y)) into (/ 0.5 y) 0.321 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0 0.322 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0 0.322 * [backup-simplify]: Simplify (+ (/ 0.5 y) 0) into (* 0.5 (/ 1 y)) 0.322 * [backup-simplify]: Simplify (- (* 0.5 (/ 1 y))) into (- (* 0.5 (/ 1 y))) 0.322 * [taylor]: Taking taylor expansion of (- (* 0.5 (/ 1 y))) in y 0.322 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y 0.322 * [taylor]: Taking taylor expansion of 0.5 in y 0.322 * [backup-simplify]: Simplify 0.5 into 0.5 0.322 * [taylor]: Taking taylor expansion of (/ 1 y) in y 0.322 * [taylor]: Taking taylor expansion of y in y 0.322 * [backup-simplify]: Simplify 0 into 0 0.322 * [backup-simplify]: Simplify 1 into 1 0.322 * [backup-simplify]: Simplify (/ 1 1) into 1 0.323 * [backup-simplify]: Simplify (* 0.5 1) into 0.5 0.323 * [backup-simplify]: Simplify (- 0.5) into (- 0.5) 0.323 * [backup-simplify]: Simplify (- 0.5) into (- 0.5) 0.324 * [backup-simplify]: Simplify (- 0.5) into (- 0.5) 0.324 * [backup-simplify]: Simplify (- 0.5) into (- 0.5) 0.324 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0 0.325 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 (/ 1 y))) into 0 0.325 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.326 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0 0.326 * [backup-simplify]: Simplify (+ 0 0) into 0 0.327 * [backup-simplify]: Simplify (- 0) into 0 0.327 * [taylor]: Taking taylor expansion of 0 in y 0.327 * [backup-simplify]: Simplify 0 into 0 0.327 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0 0.328 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0 0.328 * [backup-simplify]: Simplify (- 0) into 0 0.328 * [backup-simplify]: Simplify 0 into 0 0.329 * [backup-simplify]: Simplify (- 0) into 0 0.329 * [backup-simplify]: Simplify 0 into 0 0.329 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0 0.329 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 (/ 1 y)))) into 0 0.330 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.331 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0 0.331 * [backup-simplify]: Simplify (+ 0 0) into 0 0.332 * [backup-simplify]: Simplify (- 0) into 0 0.332 * [taylor]: Taking taylor expansion of 0 in y 0.332 * [backup-simplify]: Simplify 0 into 0 0.332 * [backup-simplify]: Simplify 0 into 0 0.332 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.333 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0 0.333 * [backup-simplify]: Simplify (- 0) into 0 0.333 * [backup-simplify]: Simplify 0 into 0 0.334 * [backup-simplify]: Simplify (- 0) into 0 0.334 * [backup-simplify]: Simplify 0 into 0 0.334 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0 0.335 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 y))))) into 0 0.335 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.336 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0 0.337 * [backup-simplify]: Simplify (+ 0 0) into 0 0.337 * [backup-simplify]: Simplify (- 0) into 0 0.337 * [taylor]: Taking taylor expansion of 0 in y 0.337 * [backup-simplify]: Simplify 0 into 0 0.338 * [backup-simplify]: Simplify 0 into 0 0.338 * [backup-simplify]: Simplify (+ (* (- 0.5) (* 1 (/ 1 (/ 1 (- x))))) (* (- 0.5) (* (/ 1 (/ 1 (- y))) 1))) into (+ (* 0.5 x) (* 0.5 y)) 0.338 * * * [progress]: simplifying candidates 0.339 * [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)) 0.339 * * [simplify]: Extracting # 0 : cost 0 0.339 * * [simplify]: Extracting # 1 : cost 0 0.339 * * [simplify]: Extracting # 2 : cost 0 0.339 * * [simplify]: Extracting # 3 : cost 0 0.340 * * [simplify]: Extracting # 4 : cost 0 0.340 * * [simplify]: Extracting # 5 : cost 0 0.340 * * [simplify]: Extracting # 6 : cost 0 0.340 * * [simplify]: iteration 0 : 33 enodes (cost 178 ) 0.350 * * [simplify]: Extracting # 0 : cost 0 0.350 * * [simplify]: Extracting # 1 : cost 0 0.350 * * [simplify]: Extracting # 2 : cost 0 0.350 * * [simplify]: Extracting # 3 : cost 0 0.351 * * [simplify]: Extracting # 4 : cost 0 0.351 * * [simplify]: iteration 1 : 92 enodes (cost 165 ) 0.382 * * [simplify]: Extracting # 0 : cost 0 0.382 * * [simplify]: Extracting # 1 : cost 0 0.382 * * [simplify]: Extracting # 2 : cost 0 0.383 * * [simplify]: Extracting # 3 : cost 0 0.383 * * [simplify]: Extracting # 4 : cost 0 0.383 * * [simplify]: iteration 2 : 240 enodes (cost 151 ) 0.480 * * [simplify]: Extracting # 0 : cost 0 0.481 * * [simplify]: Extracting # 1 : cost 0 0.482 * * [simplify]: Extracting # 2 : cost 0 0.483 * * [simplify]: Extracting # 3 : cost 0 0.484 * * [simplify]: Extracting # 4 : cost 0 0.485 * * [simplify]: iteration 3 : 684 enodes (cost 151 ) 1.023 * * [simplify]: Extracting # 0 : cost 0 1.033 * * [simplify]: Extracting # 1 : cost 0 1.037 * * [simplify]: Extracting # 2 : cost 0 1.041 * * [simplify]: Extracting # 3 : cost 0 1.045 * * [simplify]: iteration 4 : 3234 enodes (cost 151 ) 2.023 * * [simplify]: Extracting # 0 : cost 0 2.028 * * [simplify]: Extracting # 1 : cost 0 2.032 * * [simplify]: Extracting # 2 : cost 0 2.042 * * [simplify]: Extracting # 3 : cost 0 2.048 * * [simplify]: Extracting # 4 : cost 0 2.054 * * [simplify]: Extracting # 5 : cost 0 2.059 * * [simplify]: iteration done: 5001 enodes (cost 151 ) 2.060 * [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)) 2.060 * * * [progress]: adding candidates to table 2.093 * * [progress]: iteration 2 / 4 2.093 * * * [progress]: picking best candidate 2.094 * * * * [pick]: Picked # 2.094 * * * [progress]: localizing error 2.101 * * * [progress]: generating rewritten candidates 2.101 * * * [progress]: generating series expansions 2.101 * * * [progress]: simplifying candidates 2.102 * [simplify]: Simplifying: 2.102 * * [simplify]: Extracting # 0 : cost 0 2.102 * * [simplify]: iteration 0 : 0 enodes (cost 0 ) 2.102 * * [simplify]: Extracting # 0 : cost 0 2.102 * * [simplify]: iteration done: 0 enodes (cost 0 ) 2.102 * [simplify]: Simplified to: 2.102 * * * [progress]: adding candidates to table 2.102 * [progress]: [Phase 3 of 3] Extracting. 2.103 * [simplify]: Simplifying: (* 0.5 (+ x y)) 2.103 * * [simplify]: Extracting # 0 : cost 0 2.103 * * [simplify]: Extracting # 1 : cost 0 2.103 * * [simplify]: Extracting # 2 : cost 0 2.103 * * [simplify]: Extracting # 3 : cost 0 2.103 * * [simplify]: Extracting # 4 : cost 0 2.103 * * [simplify]: iteration 0 : 5 enodes (cost 5 ) 2.104 * * [simplify]: Extracting # 0 : cost 0 2.104 * * [simplify]: iteration 1 : 7 enodes (cost 5 ) 2.104 * * [simplify]: Extracting # 0 : cost 0 2.104 * * [simplify]: iteration done: 7 enodes (cost 5 ) 2.104 * [simplify]: Simplified to: (* 0.5 (+ x y)) 2.689 * [regime-testing]: End program error score: 0 2.705 * [regime-testing]: Target error score: 0