33.099 * [progress]: [Phase 1 of 3] Setting up. 0.001 * * * [progress]: [1/2] Preparing points 0.015 * * * [progress]: [2/2] Setting up program. 0.016 * [progress]: [Phase 2 of 3] Improving. 0.017 * [simplify]: Simplifying: (+ x (/ (- y x) 2.0)) 0.017 * * [simplify]: Extracting # 0 : cost 0 0.017 * * [simplify]: Extracting # 1 : cost 0 0.017 * * [simplify]: Extracting # 2 : cost 0 0.017 * * [simplify]: Extracting # 3 : cost 0 0.017 * * [simplify]: Extracting # 4 : cost 0 0.017 * * [simplify]: Extracting # 5 : cost 0 0.017 * * [simplify]: iteration 0 : 6 enodes (cost 7 ) 0.018 * * [simplify]: Extracting # 0 : cost 0 0.018 * * [simplify]: Extracting # 1 : cost 0 0.018 * * [simplify]: Extracting # 2 : cost 0 0.018 * * [simplify]: iteration 1 : 12 enodes (cost 7 ) 0.021 * * [simplify]: Extracting # 0 : cost 0 0.021 * * [simplify]: Extracting # 1 : cost 0 0.021 * * [simplify]: Extracting # 2 : cost 0 0.021 * * [simplify]: iteration 2 : 19 enodes (cost 7 ) 0.025 * * [simplify]: Extracting # 0 : cost 0 0.025 * * [simplify]: Extracting # 1 : cost 0 0.025 * * [simplify]: Extracting # 2 : cost 0 0.025 * * [simplify]: iteration 3 : 28 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 4 : 39 enodes (cost 7 ) 0.039 * * [simplify]: Extracting # 0 : cost 0 0.039 * * [simplify]: Extracting # 1 : cost 0 0.039 * * [simplify]: Extracting # 2 : cost 0 0.039 * * [simplify]: iteration 5 : 96 enodes (cost 7 ) 0.055 * * [simplify]: Extracting # 0 : cost 0 0.055 * * [simplify]: Extracting # 1 : cost 0 0.056 * * [simplify]: Extracting # 2 : cost 0 0.056 * * [simplify]: iteration 6 : 220 enodes (cost 7 ) 0.105 * * [simplify]: Extracting # 0 : cost 0 0.105 * * [simplify]: Extracting # 1 : cost 0 0.106 * * [simplify]: Extracting # 2 : cost 0 0.106 * * [simplify]: iteration 7 : 607 enodes (cost 7 ) 0.456 * * [simplify]: Extracting # 0 : cost 0 0.458 * * [simplify]: Extracting # 1 : cost 0 0.460 * * [simplify]: Extracting # 2 : cost 0 0.464 * * [simplify]: iteration 8 : 2030 enodes (cost 7 ) 1.241 * * [simplify]: Extracting # 0 : cost 0 1.248 * * [simplify]: Extracting # 1 : cost 0 1.256 * * [simplify]: Extracting # 2 : cost 0 1.263 * * [simplify]: iteration done: 5001 enodes (cost 7 ) 1.263 * [simplify]: Simplified to: (+ x (/ (- y x) 2.0)) 1.264 * * [progress]: iteration 1 / 4 1.264 * * * [progress]: picking best candidate 1.266 * * * * [pick]: Picked # 1.266 * * * [progress]: localizing error 1.283 * * * [progress]: generating rewritten candidates 1.283 * * * * [progress]: [ 1 / 1 ] rewriting at (2) 1.316 * * * [progress]: generating series expansions 1.316 * * * * [progress]: [ 1 / 1 ] generating series at (2) 1.316 * [backup-simplify]: Simplify (+ x (/ (- y x) 2.0)) into (+ (* 0.5 x) (* 0.5 y)) 1.316 * [approximate]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in (x y) around 0 1.316 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in y 1.316 * [taylor]: Taking taylor expansion of (* 0.5 x) in y 1.316 * [taylor]: Taking taylor expansion of 0.5 in y 1.316 * [backup-simplify]: Simplify 0.5 into 0.5 1.316 * [taylor]: Taking taylor expansion of x in y 1.316 * [backup-simplify]: Simplify x into x 1.316 * [taylor]: Taking taylor expansion of (* 0.5 y) in y 1.316 * [taylor]: Taking taylor expansion of 0.5 in y 1.316 * [backup-simplify]: Simplify 0.5 into 0.5 1.316 * [taylor]: Taking taylor expansion of y in y 1.317 * [backup-simplify]: Simplify 0 into 0 1.317 * [backup-simplify]: Simplify 1 into 1 1.317 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in x 1.317 * [taylor]: Taking taylor expansion of (* 0.5 x) in x 1.317 * [taylor]: Taking taylor expansion of 0.5 in x 1.317 * [backup-simplify]: Simplify 0.5 into 0.5 1.317 * [taylor]: Taking taylor expansion of x in x 1.317 * [backup-simplify]: Simplify 0 into 0 1.317 * [backup-simplify]: Simplify 1 into 1 1.317 * [taylor]: Taking taylor expansion of (* 0.5 y) in x 1.317 * [taylor]: Taking taylor expansion of 0.5 in x 1.317 * [backup-simplify]: Simplify 0.5 into 0.5 1.317 * [taylor]: Taking taylor expansion of y in x 1.317 * [backup-simplify]: Simplify y into y 1.317 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in x 1.317 * [taylor]: Taking taylor expansion of (* 0.5 x) in x 1.317 * [taylor]: Taking taylor expansion of 0.5 in x 1.317 * [backup-simplify]: Simplify 0.5 into 0.5 1.317 * [taylor]: Taking taylor expansion of x in x 1.317 * [backup-simplify]: Simplify 0 into 0 1.317 * [backup-simplify]: Simplify 1 into 1 1.317 * [taylor]: Taking taylor expansion of (* 0.5 y) in x 1.317 * [taylor]: Taking taylor expansion of 0.5 in x 1.317 * [backup-simplify]: Simplify 0.5 into 0.5 1.317 * [taylor]: Taking taylor expansion of y in x 1.317 * [backup-simplify]: Simplify y into y 1.317 * [backup-simplify]: Simplify (* 0.5 0) into 0 1.318 * [backup-simplify]: Simplify (* 0.5 y) into (* 0.5 y) 1.318 * [backup-simplify]: Simplify (+ 0 (* 0.5 y)) into (* 0.5 y) 1.318 * [taylor]: Taking taylor expansion of (* 0.5 y) in y 1.318 * [taylor]: Taking taylor expansion of 0.5 in y 1.318 * [backup-simplify]: Simplify 0.5 into 0.5 1.318 * [taylor]: Taking taylor expansion of y in y 1.318 * [backup-simplify]: Simplify 0 into 0 1.318 * [backup-simplify]: Simplify 1 into 1 1.318 * [backup-simplify]: Simplify (* 0.5 0) into 0 1.318 * [backup-simplify]: Simplify 0 into 0 1.319 * [backup-simplify]: Simplify (+ (* 0.5 1) (* 0 0)) into 0.5 1.319 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 y)) into 0 1.319 * [backup-simplify]: Simplify (+ 0.5 0) into 0.5 1.319 * [taylor]: Taking taylor expansion of 0.5 in y 1.319 * [backup-simplify]: Simplify 0.5 into 0.5 1.319 * [backup-simplify]: Simplify 0.5 into 0.5 1.321 * [backup-simplify]: Simplify (+ (* 0.5 1) (* 0 0)) into 0.5 1.321 * [backup-simplify]: Simplify 0.5 into 0.5 1.321 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 1) (* 0 0))) into 0 1.322 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 y))) into 0 1.322 * [backup-simplify]: Simplify (+ 0 0) into 0 1.322 * [taylor]: Taking taylor expansion of 0 in y 1.322 * [backup-simplify]: Simplify 0 into 0 1.322 * [backup-simplify]: Simplify 0 into 0 1.322 * [backup-simplify]: Simplify 0 into 0 1.323 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 1) (* 0 0))) into 0 1.323 * [backup-simplify]: Simplify 0 into 0 1.324 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0 1.325 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))) into 0 1.325 * [backup-simplify]: Simplify (+ 0 0) into 0 1.325 * [taylor]: Taking taylor expansion of 0 in y 1.325 * [backup-simplify]: Simplify 0 into 0 1.325 * [backup-simplify]: Simplify 0 into 0 1.325 * [backup-simplify]: Simplify 0 into 0 1.326 * [backup-simplify]: Simplify 0 into 0 1.326 * [backup-simplify]: Simplify (+ (* 0.5 (* y 1)) (* 0.5 (* 1 x))) into (+ (* 0.5 x) (* 0.5 y)) 1.326 * [backup-simplify]: Simplify (+ (/ 1 x) (/ (- (/ 1 y) (/ 1 x)) 2.0)) into (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) 1.326 * [approximate]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in (x y) around 0 1.326 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in y 1.326 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y 1.326 * [taylor]: Taking taylor expansion of 0.5 in y 1.326 * [backup-simplify]: Simplify 0.5 into 0.5 1.326 * [taylor]: Taking taylor expansion of (/ 1 y) in y 1.326 * [taylor]: Taking taylor expansion of y in y 1.326 * [backup-simplify]: Simplify 0 into 0 1.326 * [backup-simplify]: Simplify 1 into 1 1.326 * [backup-simplify]: Simplify (/ 1 1) into 1 1.326 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in y 1.326 * [taylor]: Taking taylor expansion of 0.5 in y 1.327 * [backup-simplify]: Simplify 0.5 into 0.5 1.327 * [taylor]: Taking taylor expansion of (/ 1 x) in y 1.327 * [taylor]: Taking taylor expansion of x in y 1.327 * [backup-simplify]: Simplify x into x 1.327 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x) 1.327 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in x 1.327 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x 1.327 * [taylor]: Taking taylor expansion of 0.5 in x 1.327 * [backup-simplify]: Simplify 0.5 into 0.5 1.327 * [taylor]: Taking taylor expansion of (/ 1 y) in x 1.327 * [taylor]: Taking taylor expansion of y in x 1.327 * [backup-simplify]: Simplify y into y 1.327 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y) 1.327 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x 1.327 * [taylor]: Taking taylor expansion of 0.5 in x 1.327 * [backup-simplify]: Simplify 0.5 into 0.5 1.327 * [taylor]: Taking taylor expansion of (/ 1 x) in x 1.327 * [taylor]: Taking taylor expansion of x in x 1.327 * [backup-simplify]: Simplify 0 into 0 1.327 * [backup-simplify]: Simplify 1 into 1 1.327 * [backup-simplify]: Simplify (/ 1 1) into 1 1.327 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in x 1.327 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x 1.327 * [taylor]: Taking taylor expansion of 0.5 in x 1.327 * [backup-simplify]: Simplify 0.5 into 0.5 1.327 * [taylor]: Taking taylor expansion of (/ 1 y) in x 1.328 * [taylor]: Taking taylor expansion of y in x 1.328 * [backup-simplify]: Simplify y into y 1.328 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y) 1.328 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x 1.328 * [taylor]: Taking taylor expansion of 0.5 in x 1.328 * [backup-simplify]: Simplify 0.5 into 0.5 1.328 * [taylor]: Taking taylor expansion of (/ 1 x) in x 1.328 * [taylor]: Taking taylor expansion of x in x 1.328 * [backup-simplify]: Simplify 0 into 0 1.328 * [backup-simplify]: Simplify 1 into 1 1.328 * [backup-simplify]: Simplify (/ 1 1) into 1 1.329 * [backup-simplify]: Simplify (* 0.5 1) into 0.5 1.329 * [backup-simplify]: Simplify (+ 0 0.5) into 0.5 1.329 * [taylor]: Taking taylor expansion of 0.5 in y 1.329 * [backup-simplify]: Simplify 0.5 into 0.5 1.329 * [backup-simplify]: Simplify (* 0.5 (/ 1 y)) into (/ 0.5 y) 1.330 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0 1.330 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0 1.330 * [backup-simplify]: Simplify (+ (/ 0.5 y) 0) into (* 0.5 (/ 1 y)) 1.330 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y 1.330 * [taylor]: Taking taylor expansion of 0.5 in y 1.330 * [backup-simplify]: Simplify 0.5 into 0.5 1.330 * [taylor]: Taking taylor expansion of (/ 1 y) in y 1.330 * [taylor]: Taking taylor expansion of y in y 1.330 * [backup-simplify]: Simplify 0 into 0 1.330 * [backup-simplify]: Simplify 1 into 1 1.331 * [backup-simplify]: Simplify (/ 1 1) into 1 1.331 * [backup-simplify]: Simplify (* 0.5 1) into 0.5 1.331 * [backup-simplify]: Simplify 0.5 into 0.5 1.331 * [backup-simplify]: Simplify 0.5 into 0.5 1.331 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0 1.332 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 (/ 1 y))) into 0 1.332 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0 1.333 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0 1.333 * [backup-simplify]: Simplify (+ 0 0) into 0 1.333 * [taylor]: Taking taylor expansion of 0 in y 1.333 * [backup-simplify]: Simplify 0 into 0 1.334 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0 1.335 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0 1.335 * [backup-simplify]: Simplify 0 into 0 1.335 * [backup-simplify]: Simplify 0 into 0 1.335 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0 1.336 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 (/ 1 y)))) into 0 1.336 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 1.337 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0 1.337 * [backup-simplify]: Simplify (+ 0 0) into 0 1.338 * [taylor]: Taking taylor expansion of 0 in y 1.338 * [backup-simplify]: Simplify 0 into 0 1.338 * [backup-simplify]: Simplify 0 into 0 1.338 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0 1.339 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0 1.339 * [backup-simplify]: Simplify 0 into 0 1.339 * [backup-simplify]: Simplify 0 into 0 1.339 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0 1.341 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 y))))) into 0 1.341 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 1.342 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0 1.343 * [backup-simplify]: Simplify (+ 0 0) into 0 1.343 * [taylor]: Taking taylor expansion of 0 in y 1.343 * [backup-simplify]: Simplify 0 into 0 1.343 * [backup-simplify]: Simplify 0 into 0 1.343 * [backup-simplify]: Simplify (+ (* 0.5 (* 1 (/ 1 (/ 1 x)))) (* 0.5 (* (/ 1 (/ 1 y)) 1))) into (+ (* 0.5 x) (* 0.5 y)) 1.343 * [backup-simplify]: Simplify (+ (/ 1 (- x)) (/ (- (/ 1 (- y)) (/ 1 (- x))) 2.0)) into (- (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))) 1.343 * [approximate]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))) in (x y) around 0 1.343 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))) in y 1.343 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in y 1.343 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y 1.343 * [taylor]: Taking taylor expansion of 0.5 in y 1.344 * [backup-simplify]: Simplify 0.5 into 0.5 1.344 * [taylor]: Taking taylor expansion of (/ 1 y) in y 1.344 * [taylor]: Taking taylor expansion of y in y 1.344 * [backup-simplify]: Simplify 0 into 0 1.344 * [backup-simplify]: Simplify 1 into 1 1.344 * [backup-simplify]: Simplify (/ 1 1) into 1 1.344 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in y 1.344 * [taylor]: Taking taylor expansion of 0.5 in y 1.344 * [backup-simplify]: Simplify 0.5 into 0.5 1.344 * [taylor]: Taking taylor expansion of (/ 1 x) in y 1.344 * [taylor]: Taking taylor expansion of x in y 1.344 * [backup-simplify]: Simplify x into x 1.344 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x) 1.344 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))) in x 1.344 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in x 1.344 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x 1.344 * [taylor]: Taking taylor expansion of 0.5 in x 1.344 * [backup-simplify]: Simplify 0.5 into 0.5 1.344 * [taylor]: Taking taylor expansion of (/ 1 y) in x 1.344 * [taylor]: Taking taylor expansion of y in x 1.344 * [backup-simplify]: Simplify y into y 1.344 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y) 1.344 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x 1.344 * [taylor]: Taking taylor expansion of 0.5 in x 1.344 * [backup-simplify]: Simplify 0.5 into 0.5 1.344 * [taylor]: Taking taylor expansion of (/ 1 x) in x 1.345 * [taylor]: Taking taylor expansion of x in x 1.345 * [backup-simplify]: Simplify 0 into 0 1.345 * [backup-simplify]: Simplify 1 into 1 1.345 * [backup-simplify]: Simplify (/ 1 1) into 1 1.345 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))) in x 1.345 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in x 1.345 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x 1.345 * [taylor]: Taking taylor expansion of 0.5 in x 1.345 * [backup-simplify]: Simplify 0.5 into 0.5 1.345 * [taylor]: Taking taylor expansion of (/ 1 y) in x 1.345 * [taylor]: Taking taylor expansion of y in x 1.345 * [backup-simplify]: Simplify y into y 1.345 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y) 1.345 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x 1.345 * [taylor]: Taking taylor expansion of 0.5 in x 1.345 * [backup-simplify]: Simplify 0.5 into 0.5 1.345 * [taylor]: Taking taylor expansion of (/ 1 x) in x 1.345 * [taylor]: Taking taylor expansion of x in x 1.345 * [backup-simplify]: Simplify 0 into 0 1.345 * [backup-simplify]: Simplify 1 into 1 1.346 * [backup-simplify]: Simplify (/ 1 1) into 1 1.346 * [backup-simplify]: Simplify (* 0.5 1) into 0.5 1.346 * [backup-simplify]: Simplify (+ 0 0.5) into 0.5 1.347 * [backup-simplify]: Simplify (- 0.5) into (- 0.5) 1.347 * [taylor]: Taking taylor expansion of (- 0.5) in y 1.347 * [taylor]: Taking taylor expansion of 0.5 in y 1.347 * [backup-simplify]: Simplify 0.5 into 0.5 1.347 * [backup-simplify]: Simplify (* 0.5 (/ 1 y)) into (/ 0.5 y) 1.347 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0 1.348 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0 1.348 * [backup-simplify]: Simplify (+ (/ 0.5 y) 0) into (* 0.5 (/ 1 y)) 1.348 * [backup-simplify]: Simplify (- (* 0.5 (/ 1 y))) into (- (* 0.5 (/ 1 y))) 1.348 * [taylor]: Taking taylor expansion of (- (* 0.5 (/ 1 y))) in y 1.348 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y 1.348 * [taylor]: Taking taylor expansion of 0.5 in y 1.348 * [backup-simplify]: Simplify 0.5 into 0.5 1.348 * [taylor]: Taking taylor expansion of (/ 1 y) in y 1.348 * [taylor]: Taking taylor expansion of y in y 1.348 * [backup-simplify]: Simplify 0 into 0 1.348 * [backup-simplify]: Simplify 1 into 1 1.349 * [backup-simplify]: Simplify (/ 1 1) into 1 1.349 * [backup-simplify]: Simplify (* 0.5 1) into 0.5 1.349 * [backup-simplify]: Simplify (- 0.5) into (- 0.5) 1.350 * [backup-simplify]: Simplify (- 0.5) into (- 0.5) 1.350 * [backup-simplify]: Simplify (- 0.5) into (- 0.5) 1.350 * [backup-simplify]: Simplify (- 0.5) into (- 0.5) 1.350 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0 1.351 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 (/ 1 y))) into 0 1.352 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0 1.352 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0 1.353 * [backup-simplify]: Simplify (+ 0 0) into 0 1.353 * [backup-simplify]: Simplify (- 0) into 0 1.353 * [taylor]: Taking taylor expansion of 0 in y 1.353 * [backup-simplify]: Simplify 0 into 0 1.353 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0 1.354 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0 1.354 * [backup-simplify]: Simplify (- 0) into 0 1.354 * [backup-simplify]: Simplify 0 into 0 1.355 * [backup-simplify]: Simplify (- 0) into 0 1.355 * [backup-simplify]: Simplify 0 into 0 1.355 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0 1.355 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 (/ 1 y)))) into 0 1.356 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 1.357 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0 1.357 * [backup-simplify]: Simplify (+ 0 0) into 0 1.358 * [backup-simplify]: Simplify (- 0) into 0 1.358 * [taylor]: Taking taylor expansion of 0 in y 1.358 * [backup-simplify]: Simplify 0 into 0 1.358 * [backup-simplify]: Simplify 0 into 0 1.358 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0 1.359 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0 1.359 * [backup-simplify]: Simplify (- 0) into 0 1.359 * [backup-simplify]: Simplify 0 into 0 1.360 * [backup-simplify]: Simplify (- 0) into 0 1.360 * [backup-simplify]: Simplify 0 into 0 1.360 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0 1.361 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 y))))) into 0 1.361 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 1.362 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0 1.363 * [backup-simplify]: Simplify (+ 0 0) into 0 1.363 * [backup-simplify]: Simplify (- 0) into 0 1.363 * [taylor]: Taking taylor expansion of 0 in y 1.363 * [backup-simplify]: Simplify 0 into 0 1.363 * [backup-simplify]: Simplify 0 into 0 1.364 * [backup-simplify]: Simplify (+ (* (- 0.5) (* 1 (/ 1 (/ 1 (- x))))) (* (- 0.5) (* (/ 1 (/ 1 (- y))) 1))) into (+ (* 0.5 x) (* 0.5 y)) 1.364 * * * [progress]: simplifying candidates 1.364 * [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)) 1.365 * * [simplify]: Extracting # 0 : cost 0 1.365 * * [simplify]: Extracting # 1 : cost 0 1.365 * * [simplify]: Extracting # 2 : cost 0 1.365 * * [simplify]: Extracting # 3 : cost 0 1.365 * * [simplify]: Extracting # 4 : cost 0 1.365 * * [simplify]: Extracting # 5 : cost 0 1.365 * * [simplify]: Extracting # 6 : cost 0 1.365 * * [simplify]: iteration 0 : 33 enodes (cost 178 ) 1.375 * * [simplify]: Extracting # 0 : cost 0 1.375 * * [simplify]: Extracting # 1 : cost 0 1.375 * * [simplify]: Extracting # 2 : cost 0 1.375 * * [simplify]: Extracting # 3 : cost 0 1.376 * * [simplify]: Extracting # 4 : cost 0 1.376 * * [simplify]: iteration 1 : 92 enodes (cost 165 ) 1.408 * * [simplify]: Extracting # 0 : cost 0 1.409 * * [simplify]: Extracting # 1 : cost 0 1.409 * * [simplify]: Extracting # 2 : cost 0 1.409 * * [simplify]: Extracting # 3 : cost 0 1.410 * * [simplify]: Extracting # 4 : cost 0 1.410 * * [simplify]: iteration 2 : 248 enodes (cost 151 ) 1.496 * * [simplify]: Extracting # 0 : cost 0 1.497 * * [simplify]: Extracting # 1 : cost 0 1.498 * * [simplify]: Extracting # 2 : cost 0 1.499 * * [simplify]: Extracting # 3 : cost 0 1.499 * * [simplify]: Extracting # 4 : cost 0 1.500 * * [simplify]: iteration 3 : 806 enodes (cost 151 ) 1.897 * * [simplify]: Extracting # 0 : cost 0 1.903 * * [simplify]: Extracting # 1 : cost 0 1.911 * * [simplify]: Extracting # 2 : cost 0 1.920 * * [simplify]: Extracting # 3 : cost 0 1.928 * * [simplify]: Extracting # 4 : cost 0 1.936 * * [simplify]: Extracting # 5 : cost 0 1.948 * * [simplify]: iteration done: 5000 enodes (cost 151 ) 1.948 * [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)) 1.949 * * * [progress]: adding candidates to table 1.985 * * [progress]: iteration 2 / 4 1.985 * * * [progress]: picking best candidate 1.986 * * * * [pick]: Picked # 1.986 * * * [progress]: localizing error 1.990 * * * [progress]: generating rewritten candidates 1.990 * * * [progress]: generating series expansions 1.990 * * * [progress]: simplifying candidates 1.991 * [simplify]: Simplifying: 1.991 * * [simplify]: Extracting # 0 : cost 0 1.991 * * [simplify]: iteration 0 : 0 enodes (cost 0 ) 1.991 * * [simplify]: Extracting # 0 : cost 0 1.991 * * [simplify]: iteration done: 0 enodes (cost 0 ) 1.991 * [simplify]: Simplified to: 1.991 * * * [progress]: adding candidates to table 1.991 * [progress]: [Phase 3 of 3] Extracting. 1.992 * [simplify]: Simplifying: (* 0.5 (+ x y)) 1.993 * * [simplify]: Extracting # 0 : cost 0 1.993 * * [simplify]: Extracting # 1 : cost 0 1.993 * * [simplify]: Extracting # 2 : cost 0 1.993 * * [simplify]: Extracting # 3 : cost 0 1.993 * * [simplify]: Extracting # 4 : cost 0 1.993 * * [simplify]: iteration 0 : 5 enodes (cost 5 ) 1.993 * * [simplify]: Extracting # 0 : cost 0 1.993 * * [simplify]: iteration 1 : 7 enodes (cost 5 ) 1.994 * * [simplify]: Extracting # 0 : cost 0 1.994 * * [simplify]: iteration done: 7 enodes (cost 5 ) 1.994 * [simplify]: Simplified to: (* 0.5 (+ x y)) 2.925 * [regime-testing]: Baseline error score: 0 2.927 * [regime-testing]: Oracle error score: 0 2.927 * [regime-testing]: End program error score: 0 2.945 * [regime-testing]: Target error score: 0