24.448 * [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)) 0.026 * * [simplify]: Extracting # 0 : cost 0 0.026 * * [simplify]: Extracting # 1 : cost 0 0.026 * * [simplify]: Extracting # 2 : cost 0 0.026 * * [simplify]: Extracting # 3 : cost 0 0.026 * * [simplify]: Extracting # 4 : cost 0 0.026 * * [simplify]: Extracting # 5 : cost 0 0.026 * * [simplify]: iteration 0 : 6 enodes (cost 7 ) 0.028 * * [simplify]: Extracting # 0 : cost 0 0.028 * * [simplify]: Extracting # 1 : cost 0 0.028 * * [simplify]: Extracting # 2 : cost 0 0.028 * * [simplify]: iteration 1 : 12 enodes (cost 7 ) 0.031 * * [simplify]: Extracting # 0 : cost 0 0.031 * * [simplify]: Extracting # 1 : cost 0 0.031 * * [simplify]: Extracting # 2 : cost 0 0.031 * * [simplify]: iteration 2 : 19 enodes (cost 7 ) 0.036 * * [simplify]: Extracting # 0 : cost 0 0.036 * * [simplify]: Extracting # 1 : cost 0 0.036 * * [simplify]: Extracting # 2 : cost 0 0.036 * * [simplify]: iteration 3 : 28 enodes (cost 7 ) 0.043 * * [simplify]: Extracting # 0 : cost 0 0.044 * * [simplify]: Extracting # 1 : cost 0 0.044 * * [simplify]: Extracting # 2 : cost 0 0.044 * * [simplify]: iteration 4 : 39 enodes (cost 7 ) 0.054 * * [simplify]: Extracting # 0 : cost 0 0.054 * * [simplify]: Extracting # 1 : cost 0 0.054 * * [simplify]: Extracting # 2 : cost 0 0.055 * * [simplify]: iteration 5 : 44 enodes (cost 7 ) 0.064 * * [simplify]: Extracting # 0 : cost 0 0.064 * * [simplify]: Extracting # 1 : cost 0 0.064 * * [simplify]: Extracting # 2 : cost 0 0.064 * * [simplify]: iteration 6 : 49 enodes (cost 7 ) 0.081 * * [simplify]: Extracting # 0 : cost 0 0.081 * * [simplify]: Extracting # 1 : cost 0 0.082 * * [simplify]: Extracting # 2 : cost 0 0.082 * * [simplify]: iteration 7 : 58 enodes (cost 7 ) 0.095 * * [simplify]: Extracting # 0 : cost 0 0.095 * * [simplify]: Extracting # 1 : cost 0 0.095 * * [simplify]: Extracting # 2 : cost 0 0.095 * * [simplify]: iteration 8 : 75 enodes (cost 7 ) 0.111 * * [simplify]: Extracting # 0 : cost 0 0.112 * * [simplify]: Extracting # 1 : cost 0 0.112 * * [simplify]: Extracting # 2 : cost 0 0.112 * * [simplify]: iteration 9 : 91 enodes (cost 7 ) 0.126 * * [simplify]: Extracting # 0 : cost 0 0.126 * * [simplify]: Extracting # 1 : cost 0 0.126 * * [simplify]: iteration 10 : 102 enodes (cost 7 ) 0.151 * * [simplify]: Extracting # 0 : cost 0 0.151 * * [simplify]: Extracting # 1 : cost 0 0.151 * * [simplify]: Extracting # 2 : cost 0 0.151 * * [simplify]: iteration 11 : 104 enodes (cost 7 ) 0.179 * * [simplify]: Extracting # 0 : cost 0 0.180 * * [simplify]: Extracting # 1 : cost 0 0.180 * * [simplify]: Extracting # 2 : cost 0 0.180 * * [simplify]: iteration 12 : 108 enodes (cost 7 ) 0.205 * * [simplify]: Extracting # 0 : cost 0 0.205 * * [simplify]: Extracting # 1 : cost 0 0.206 * * [simplify]: iteration 13 : 109 enodes (cost 7 ) 0.229 * * [simplify]: Extracting # 0 : cost 0 0.229 * * [simplify]: iteration done: 109 enodes (cost 7 ) 0.229 * [simplify]: Simplified to: (+ x (/ (- y x) 2.0)) 0.230 * * [progress]: iteration 1 / 4 0.230 * * * [progress]: picking best candidate 0.232 * * * * [pick]: Picked # 0.232 * * * [progress]: localizing error 0.241 * * * [progress]: generating rewritten candidates 0.241 * * * * [progress]: [ 1 / 1 ] rewriting at (2) 0.281 * * * [progress]: generating series expansions 0.281 * * * * [progress]: [ 1 / 1 ] generating series at (2) 0.281 * [backup-simplify]: Simplify (+ x (/ (- y x) 2.0)) into (+ (* 0.5 x) (* 0.5 y)) 0.281 * [approximate]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in (x y) around 0 0.281 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in y 0.281 * [taylor]: Taking taylor expansion of (* 0.5 x) in y 0.281 * [taylor]: Taking taylor expansion of 0.5 in y 0.281 * [backup-simplify]: Simplify 0.5 into 0.5 0.281 * [taylor]: Taking taylor expansion of x in y 0.281 * [backup-simplify]: Simplify x into x 0.281 * [taylor]: Taking taylor expansion of (* 0.5 y) in y 0.281 * [taylor]: Taking taylor expansion of 0.5 in y 0.281 * [backup-simplify]: Simplify 0.5 into 0.5 0.281 * [taylor]: Taking taylor expansion of y in y 0.282 * [backup-simplify]: Simplify 0 into 0 0.282 * [backup-simplify]: Simplify 1 into 1 0.282 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in x 0.282 * [taylor]: Taking taylor expansion of (* 0.5 x) in x 0.282 * [taylor]: Taking taylor expansion of 0.5 in x 0.282 * [backup-simplify]: Simplify 0.5 into 0.5 0.282 * [taylor]: Taking taylor expansion of x in x 0.282 * [backup-simplify]: Simplify 0 into 0 0.282 * [backup-simplify]: Simplify 1 into 1 0.282 * [taylor]: Taking taylor expansion of (* 0.5 y) in x 0.282 * [taylor]: Taking taylor expansion of 0.5 in x 0.282 * [backup-simplify]: Simplify 0.5 into 0.5 0.282 * [taylor]: Taking taylor expansion of y in x 0.282 * [backup-simplify]: Simplify y into y 0.282 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in x 0.282 * [taylor]: Taking taylor expansion of (* 0.5 x) in x 0.282 * [taylor]: Taking taylor expansion of 0.5 in x 0.282 * [backup-simplify]: Simplify 0.5 into 0.5 0.282 * [taylor]: Taking taylor expansion of x in x 0.282 * [backup-simplify]: Simplify 0 into 0 0.282 * [backup-simplify]: Simplify 1 into 1 0.282 * [taylor]: Taking taylor expansion of (* 0.5 y) in x 0.282 * [taylor]: Taking taylor expansion of 0.5 in x 0.282 * [backup-simplify]: Simplify 0.5 into 0.5 0.282 * [taylor]: Taking taylor expansion of y in x 0.282 * [backup-simplify]: Simplify y into y 0.283 * [backup-simplify]: Simplify (* 0.5 0) into 0 0.283 * [backup-simplify]: Simplify (* 0.5 y) into (* 0.5 y) 0.283 * [backup-simplify]: Simplify (+ 0 (* 0.5 y)) into (* 0.5 y) 0.283 * [taylor]: Taking taylor expansion of (* 0.5 y) in y 0.283 * [taylor]: Taking taylor expansion of 0.5 in y 0.283 * [backup-simplify]: Simplify 0.5 into 0.5 0.283 * [taylor]: Taking taylor expansion of y in y 0.283 * [backup-simplify]: Simplify 0 into 0 0.283 * [backup-simplify]: Simplify 1 into 1 0.284 * [backup-simplify]: Simplify (* 0.5 0) into 0 0.284 * [backup-simplify]: Simplify 0 into 0 0.285 * [backup-simplify]: Simplify (+ (* 0.5 1) (* 0 0)) into 0.5 0.286 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 y)) into 0 0.286 * [backup-simplify]: Simplify (+ 0.5 0) into 0.5 0.286 * [taylor]: Taking taylor expansion of 0.5 in y 0.286 * [backup-simplify]: Simplify 0.5 into 0.5 0.286 * [backup-simplify]: Simplify 0.5 into 0.5 0.287 * [backup-simplify]: Simplify (+ (* 0.5 1) (* 0 0)) into 0.5 0.287 * [backup-simplify]: Simplify 0.5 into 0.5 0.288 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 1) (* 0 0))) into 0 0.289 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 y))) into 0 0.289 * [backup-simplify]: Simplify (+ 0 0) into 0 0.290 * [taylor]: Taking taylor expansion of 0 in y 0.290 * [backup-simplify]: Simplify 0 into 0 0.290 * [backup-simplify]: Simplify 0 into 0 0.290 * [backup-simplify]: Simplify 0 into 0 0.291 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 1) (* 0 0))) into 0 0.291 * [backup-simplify]: Simplify 0 into 0 0.292 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0 0.293 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))) into 0 0.293 * [backup-simplify]: Simplify (+ 0 0) into 0 0.293 * [taylor]: Taking taylor expansion of 0 in y 0.293 * [backup-simplify]: Simplify 0 into 0 0.293 * [backup-simplify]: Simplify 0 into 0 0.293 * [backup-simplify]: Simplify 0 into 0 0.293 * [backup-simplify]: Simplify 0 into 0 0.293 * [backup-simplify]: Simplify (+ (* 0.5 (* y 1)) (* 0.5 (* 1 x))) into (+ (* 0.5 x) (* 0.5 y)) 0.294 * [backup-simplify]: Simplify (+ (/ 1 x) (/ (- (/ 1 y) (/ 1 x)) 2.0)) into (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) 0.294 * [approximate]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in (x y) around 0 0.294 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in y 0.294 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y 0.294 * [taylor]: Taking taylor expansion of 0.5 in y 0.294 * [backup-simplify]: Simplify 0.5 into 0.5 0.294 * [taylor]: Taking taylor expansion of (/ 1 y) in y 0.294 * [taylor]: Taking taylor expansion of y in y 0.294 * [backup-simplify]: Simplify 0 into 0 0.294 * [backup-simplify]: Simplify 1 into 1 0.294 * [backup-simplify]: Simplify (/ 1 1) into 1 0.295 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in y 0.295 * [taylor]: Taking taylor expansion of 0.5 in y 0.295 * [backup-simplify]: Simplify 0.5 into 0.5 0.295 * [taylor]: Taking taylor expansion of (/ 1 x) in y 0.295 * [taylor]: Taking taylor expansion of x in y 0.295 * [backup-simplify]: Simplify x into x 0.295 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x) 0.295 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in x 0.295 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x 0.295 * [taylor]: Taking taylor expansion of 0.5 in x 0.295 * [backup-simplify]: Simplify 0.5 into 0.5 0.295 * [taylor]: Taking taylor expansion of (/ 1 y) in x 0.295 * [taylor]: Taking taylor expansion of y in x 0.295 * [backup-simplify]: Simplify y into y 0.295 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y) 0.295 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x 0.295 * [taylor]: Taking taylor expansion of 0.5 in x 0.295 * [backup-simplify]: Simplify 0.5 into 0.5 0.295 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.295 * [taylor]: Taking taylor expansion of x in x 0.295 * [backup-simplify]: Simplify 0 into 0 0.295 * [backup-simplify]: Simplify 1 into 1 0.296 * [backup-simplify]: Simplify (/ 1 1) into 1 0.296 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in x 0.296 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x 0.296 * [taylor]: Taking taylor expansion of 0.5 in x 0.296 * [backup-simplify]: Simplify 0.5 into 0.5 0.296 * [taylor]: Taking taylor expansion of (/ 1 y) in x 0.296 * [taylor]: Taking taylor expansion of y in x 0.296 * [backup-simplify]: Simplify y into y 0.296 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y) 0.296 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x 0.296 * [taylor]: Taking taylor expansion of 0.5 in x 0.296 * [backup-simplify]: Simplify 0.5 into 0.5 0.296 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.296 * [taylor]: Taking taylor expansion of x in x 0.296 * [backup-simplify]: Simplify 0 into 0 0.296 * [backup-simplify]: Simplify 1 into 1 0.296 * [backup-simplify]: Simplify (/ 1 1) into 1 0.297 * [backup-simplify]: Simplify (* 0.5 1) into 0.5 0.297 * [backup-simplify]: Simplify (+ 0 0.5) into 0.5 0.297 * [taylor]: Taking taylor expansion of 0.5 in y 0.297 * [backup-simplify]: Simplify 0.5 into 0.5 0.298 * [backup-simplify]: Simplify (* 0.5 (/ 1 y)) into (/ 0.5 y) 0.298 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0 0.299 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0 0.299 * [backup-simplify]: Simplify (+ (/ 0.5 y) 0) into (* 0.5 (/ 1 y)) 0.299 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y 0.299 * [taylor]: Taking taylor expansion of 0.5 in y 0.299 * [backup-simplify]: Simplify 0.5 into 0.5 0.299 * [taylor]: Taking taylor expansion of (/ 1 y) in y 0.299 * [taylor]: Taking taylor expansion of y in y 0.299 * [backup-simplify]: Simplify 0 into 0 0.299 * [backup-simplify]: Simplify 1 into 1 0.300 * [backup-simplify]: Simplify (/ 1 1) into 1 0.300 * [backup-simplify]: Simplify (* 0.5 1) into 0.5 0.300 * [backup-simplify]: Simplify 0.5 into 0.5 0.300 * [backup-simplify]: Simplify 0.5 into 0.5 0.300 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0 0.301 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 (/ 1 y))) into 0 0.302 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.303 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0 0.303 * [backup-simplify]: Simplify (+ 0 0) into 0 0.303 * [taylor]: Taking taylor expansion of 0 in y 0.303 * [backup-simplify]: Simplify 0 into 0 0.304 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0 0.305 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0 0.305 * [backup-simplify]: Simplify 0 into 0 0.305 * [backup-simplify]: Simplify 0 into 0 0.305 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0 0.306 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 (/ 1 y)))) into 0 0.307 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.308 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0 0.308 * [backup-simplify]: Simplify (+ 0 0) into 0 0.308 * [taylor]: Taking taylor expansion of 0 in y 0.308 * [backup-simplify]: Simplify 0 into 0 0.308 * [backup-simplify]: Simplify 0 into 0 0.309 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.310 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0 0.310 * [backup-simplify]: Simplify 0 into 0 0.310 * [backup-simplify]: Simplify 0 into 0 0.310 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0 0.312 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 y))))) into 0 0.312 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.313 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0 0.313 * [backup-simplify]: Simplify (+ 0 0) into 0 0.313 * [taylor]: Taking taylor expansion of 0 in y 0.314 * [backup-simplify]: Simplify 0 into 0 0.314 * [backup-simplify]: Simplify 0 into 0 0.314 * [backup-simplify]: Simplify (+ (* 0.5 (* 1 (/ 1 (/ 1 x)))) (* 0.5 (* (/ 1 (/ 1 y)) 1))) into (+ (* 0.5 x) (* 0.5 y)) 0.314 * [backup-simplify]: Simplify (+ (/ 1 (- x)) (/ (- (/ 1 (- y)) (/ 1 (- x))) 2.0)) into (- (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))) 0.314 * [approximate]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))) in (x y) around 0 0.314 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))) in y 0.314 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in y 0.314 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y 0.314 * [taylor]: Taking taylor expansion of 0.5 in y 0.314 * [backup-simplify]: Simplify 0.5 into 0.5 0.314 * [taylor]: Taking taylor expansion of (/ 1 y) in y 0.314 * [taylor]: Taking taylor expansion of y in y 0.314 * [backup-simplify]: Simplify 0 into 0 0.314 * [backup-simplify]: Simplify 1 into 1 0.314 * [backup-simplify]: Simplify (/ 1 1) into 1 0.314 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in y 0.314 * [taylor]: Taking taylor expansion of 0.5 in y 0.314 * [backup-simplify]: Simplify 0.5 into 0.5 0.314 * [taylor]: Taking taylor expansion of (/ 1 x) in y 0.314 * [taylor]: Taking taylor expansion of x in y 0.314 * [backup-simplify]: Simplify x into x 0.314 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x) 0.314 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))) in x 0.315 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in x 0.315 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x 0.315 * [taylor]: Taking taylor expansion of 0.5 in x 0.315 * [backup-simplify]: Simplify 0.5 into 0.5 0.315 * [taylor]: Taking taylor expansion of (/ 1 y) in x 0.315 * [taylor]: Taking taylor expansion of y in x 0.315 * [backup-simplify]: Simplify y into y 0.315 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y) 0.315 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x 0.315 * [taylor]: Taking taylor expansion of 0.5 in x 0.315 * [backup-simplify]: Simplify 0.5 into 0.5 0.315 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.315 * [taylor]: Taking taylor expansion of x in x 0.315 * [backup-simplify]: Simplify 0 into 0 0.315 * [backup-simplify]: Simplify 1 into 1 0.315 * [backup-simplify]: Simplify (/ 1 1) into 1 0.315 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))) in x 0.315 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in x 0.315 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x 0.315 * [taylor]: Taking taylor expansion of 0.5 in x 0.315 * [backup-simplify]: Simplify 0.5 into 0.5 0.315 * [taylor]: Taking taylor expansion of (/ 1 y) in x 0.315 * [taylor]: Taking taylor expansion of y in x 0.315 * [backup-simplify]: Simplify y into y 0.315 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y) 0.315 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x 0.315 * [taylor]: Taking taylor expansion of 0.5 in x 0.315 * [backup-simplify]: Simplify 0.5 into 0.5 0.315 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.315 * [taylor]: Taking taylor expansion of x in x 0.315 * [backup-simplify]: Simplify 0 into 0 0.315 * [backup-simplify]: Simplify 1 into 1 0.316 * [backup-simplify]: Simplify (/ 1 1) into 1 0.316 * [backup-simplify]: Simplify (* 0.5 1) into 0.5 0.316 * [backup-simplify]: Simplify (+ 0 0.5) into 0.5 0.316 * [backup-simplify]: Simplify (- 0.5) into (- 0.5) 0.316 * [taylor]: Taking taylor expansion of (- 0.5) in y 0.316 * [taylor]: Taking taylor expansion of 0.5 in y 0.316 * [backup-simplify]: Simplify 0.5 into 0.5 0.317 * [backup-simplify]: Simplify (* 0.5 (/ 1 y)) into (/ 0.5 y) 0.317 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0 0.317 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0 0.317 * [backup-simplify]: Simplify (+ (/ 0.5 y) 0) into (* 0.5 (/ 1 y)) 0.318 * [backup-simplify]: Simplify (- (* 0.5 (/ 1 y))) into (- (* 0.5 (/ 1 y))) 0.318 * [taylor]: Taking taylor expansion of (- (* 0.5 (/ 1 y))) in y 0.318 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y 0.318 * [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 y) in y 0.318 * [taylor]: Taking taylor expansion of y in y 0.318 * [backup-simplify]: Simplify 0 into 0 0.318 * [backup-simplify]: Simplify 1 into 1 0.318 * [backup-simplify]: Simplify (/ 1 1) into 1 0.318 * [backup-simplify]: Simplify (* 0.5 1) into 0.5 0.318 * [backup-simplify]: Simplify (- 0.5) into (- 0.5) 0.319 * [backup-simplify]: Simplify (- 0.5) into (- 0.5) 0.319 * [backup-simplify]: Simplify (- 0.5) into (- 0.5) 0.319 * [backup-simplify]: Simplify (- 0.5) into (- 0.5) 0.319 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0 0.320 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 (/ 1 y))) into 0 0.320 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.321 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0 0.321 * [backup-simplify]: Simplify (+ 0 0) into 0 0.321 * [backup-simplify]: Simplify (- 0) into 0 0.321 * [taylor]: Taking taylor expansion of 0 in y 0.321 * [backup-simplify]: Simplify 0 into 0 0.322 * [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) into 0 0.322 * [backup-simplify]: Simplify 0 into 0 0.323 * [backup-simplify]: Simplify (- 0) into 0 0.323 * [backup-simplify]: Simplify 0 into 0 0.323 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0 0.323 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 (/ 1 y)))) into 0 0.324 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.324 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0 0.325 * [backup-simplify]: Simplify (+ 0 0) into 0 0.325 * [backup-simplify]: Simplify (- 0) into 0 0.325 * [taylor]: Taking taylor expansion of 0 in y 0.325 * [backup-simplify]: Simplify 0 into 0 0.325 * [backup-simplify]: Simplify 0 into 0 0.326 * [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) into 0 0.326 * [backup-simplify]: Simplify 0 into 0 0.327 * [backup-simplify]: Simplify (- 0) into 0 0.327 * [backup-simplify]: Simplify 0 into 0 0.327 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0 0.327 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 y))))) into 0 0.328 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.329 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0 0.329 * [backup-simplify]: Simplify (+ 0 0) into 0 0.329 * [backup-simplify]: Simplify (- 0) into 0 0.329 * [taylor]: Taking taylor expansion of 0 in y 0.329 * [backup-simplify]: Simplify 0 into 0 0.329 * [backup-simplify]: Simplify 0 into 0 0.330 * [backup-simplify]: Simplify (+ (* (- 0.5) (* 1 (/ 1 (/ 1 (- x))))) (* (- 0.5) (* (/ 1 (/ 1 (- y))) 1))) into (+ (* 0.5 x) (* 0.5 y)) 0.330 * * * [progress]: simplifying candidates 0.330 * [simplify]: Simplifying: (expm1 (+ x (/ (- y x) 2.0))) (log1p (+ x (/ (- y x) 2.0))) (* (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)) 0.331 * * [simplify]: Extracting # 0 : cost 0 0.331 * * [simplify]: Extracting # 1 : cost 0 0.331 * * [simplify]: Extracting # 2 : cost 0 0.331 * * [simplify]: Extracting # 3 : cost 0 0.331 * * [simplify]: Extracting # 4 : cost 0 0.331 * * [simplify]: Extracting # 5 : cost 0 0.331 * * [simplify]: Extracting # 6 : cost 0 0.331 * * [simplify]: iteration 0 : 35 enodes (cost 194 ) 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 0.339 * * [simplify]: Extracting # 4 : cost 0 0.339 * * [simplify]: iteration 1 : 98 enodes (cost 180 ) 0.366 * * [simplify]: Extracting # 0 : cost 0 0.366 * * [simplify]: Extracting # 1 : cost 0 0.366 * * [simplify]: Extracting # 2 : cost 0 0.366 * * [simplify]: Extracting # 3 : cost 0 0.366 * * [simplify]: Extracting # 4 : cost 0 0.367 * * [simplify]: iteration 2 : 263 enodes (cost 166 ) 0.471 * * [simplify]: Extracting # 0 : cost 0 0.472 * * [simplify]: Extracting # 1 : cost 0 0.473 * * [simplify]: Extracting # 2 : cost 0 0.474 * * [simplify]: Extracting # 3 : cost 0 0.475 * * [simplify]: iteration 3 : 750 enodes (cost 166 ) 1.416 * * [simplify]: Extracting # 0 : cost 0 1.423 * * [simplify]: Extracting # 1 : cost 0 1.428 * * [simplify]: Extracting # 2 : cost 0 1.437 * * [simplify]: Extracting # 3 : cost 0 1.441 * * [simplify]: Extracting # 4 : cost 0 1.446 * * [simplify]: iteration 4 : 3539 enodes (cost 165 ) 2.508 * * [simplify]: Extracting # 0 : cost 0 2.517 * * [simplify]: Extracting # 1 : cost 0 2.526 * * [simplify]: iteration done: 5000 enodes (cost 165 ) 2.526 * [simplify]: Simplified to: (expm1 (+ x (/ (- y x) 2.0))) (log1p (+ x (/ (- y x) 2.0))) (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)) (fma x x (* (/ (- y x) 2.0) (- (/ (- y x) 2.0) x))) (fma (/ (- x y) 2.0) (/ (- y x) 2.0) (* x x)) (- 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)) 2.526 * * * [progress]: adding candidates to table 2.571 * * [progress]: iteration 2 / 4 2.571 * * * [progress]: picking best candidate 2.572 * * * * [pick]: Picked # 2.572 * * * [progress]: localizing error 2.577 * * * [progress]: generating rewritten candidates 2.577 * * * [progress]: generating series expansions 2.577 * * * [progress]: simplifying candidates 2.577 * [simplify]: Simplifying: 2.577 * * [simplify]: Extracting # 0 : cost 0 2.577 * * [simplify]: iteration 0 : 0 enodes (cost 0 ) 2.577 * * [simplify]: Extracting # 0 : cost 0 2.577 * * [simplify]: iteration done: 0 enodes (cost 0 ) 2.577 * [simplify]: Simplified to: 2.577 * * * [progress]: adding candidates to table 2.577 * [progress]: [Phase 3 of 3] Extracting. 2.578 * [simplify]: Simplifying: (* 0.5 (+ x y)) 2.578 * * [simplify]: Extracting # 0 : cost 0 2.578 * * [simplify]: Extracting # 1 : cost 0 2.578 * * [simplify]: Extracting # 2 : cost 0 2.579 * * [simplify]: Extracting # 3 : cost 0 2.579 * * [simplify]: Extracting # 4 : cost 0 2.579 * * [simplify]: iteration 0 : 5 enodes (cost 5 ) 2.579 * * [simplify]: Extracting # 0 : cost 0 2.579 * * [simplify]: iteration 1 : 7 enodes (cost 5 ) 2.579 * * [simplify]: Extracting # 0 : cost 0 2.579 * * [simplify]: iteration done: 7 enodes (cost 5 ) 2.579 * [simplify]: Simplified to: (* 0.5 (+ x y)) 3.275 * [regime-testing]: Baseline error score: 0 3.278 * [regime-testing]: Oracle error score: 0 3.278 * [regime-testing]: End program error score: 0 3.305 * [regime-testing]: Target error score: 0