50.816 * [progress]: [Phase 1 of 3] Setting up. 0.001 * * * [progress]: [1/2] Preparing points 0.023 * * * [progress]: [2/2] Setting up program. 0.025 * [progress]: [Phase 2 of 3] Improving. 0.025 * [simplify]: Simplifying: (+ x (/ (- y x) 2.0)) 0.025 * * [simplify]: Extracting # 0 : cost 0 0.025 * * [simplify]: Extracting # 1 : cost 0 0.025 * * [simplify]: Extracting # 2 : cost 0 0.025 * * [simplify]: Extracting # 3 : cost 0 0.025 * * [simplify]: Extracting # 4 : cost 0 0.025 * * [simplify]: Extracting # 5 : cost 0 0.025 * * [simplify]: iteration 0 : 6 enodes (cost 7 ) 0.026 * * [simplify]: Extracting # 0 : cost 0 0.026 * * [simplify]: Extracting # 1 : cost 0 0.026 * * [simplify]: Extracting # 2 : cost 0 0.026 * * [simplify]: iteration 1 : 12 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 2 : 19 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 3 : 28 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 4 : 39 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 5 : 96 enodes (cost 7 ) 0.063 * * [simplify]: Extracting # 0 : cost 0 0.063 * * [simplify]: Extracting # 1 : cost 0 0.063 * * [simplify]: Extracting # 2 : cost 0 0.063 * * [simplify]: iteration 6 : 220 enodes (cost 7 ) 0.114 * * [simplify]: Extracting # 0 : cost 0 0.114 * * [simplify]: Extracting # 1 : cost 0 0.115 * * [simplify]: Extracting # 2 : cost 0 0.116 * * [simplify]: iteration 7 : 607 enodes (cost 7 ) 0.551 * * [simplify]: Extracting # 0 : cost 0 0.554 * * [simplify]: Extracting # 1 : cost 0 0.556 * * [simplify]: Extracting # 2 : cost 0 0.559 * * [simplify]: iteration 8 : 2030 enodes (cost 7 ) 1.345 * * [simplify]: Extracting # 0 : cost 0 1.352 * * [simplify]: Extracting # 1 : cost 0 1.360 * * [simplify]: Extracting # 2 : cost 0 1.367 * * [simplify]: iteration done: 5001 enodes (cost 7 ) 1.367 * [simplify]: Simplified to: (+ x (/ (- y x) 2.0)) 1.368 * * [progress]: iteration 1 / 4 1.368 * * * [progress]: picking best candidate 1.369 * * * * [pick]: Picked # 1.369 * * * [progress]: localizing error 1.377 * * * [progress]: generating rewritten candidates 1.377 * * * * [progress]: [ 1 / 1 ] rewriting at (2) 1.416 * * * [progress]: generating series expansions 1.416 * * * * [progress]: [ 1 / 1 ] generating series at (2) 1.416 * [backup-simplify]: Simplify (+ x (/ (- y x) 2.0)) into (+ (* 0.5 x) (* 0.5 y)) 1.416 * [approximate]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in (x y) around 0 1.416 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in y 1.416 * [taylor]: Taking taylor expansion of (* 0.5 x) in y 1.416 * [taylor]: Taking taylor expansion of 0.5 in y 1.416 * [backup-simplify]: Simplify 0.5 into 0.5 1.416 * [taylor]: Taking taylor expansion of x in y 1.416 * [backup-simplify]: Simplify x into x 1.416 * [taylor]: Taking taylor expansion of (* 0.5 y) in y 1.416 * [taylor]: Taking taylor expansion of 0.5 in y 1.416 * [backup-simplify]: Simplify 0.5 into 0.5 1.416 * [taylor]: Taking taylor expansion of y in y 1.416 * [backup-simplify]: Simplify 0 into 0 1.416 * [backup-simplify]: Simplify 1 into 1 1.416 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in x 1.416 * [taylor]: Taking taylor expansion of (* 0.5 x) in x 1.416 * [taylor]: Taking taylor expansion of 0.5 in x 1.416 * [backup-simplify]: Simplify 0.5 into 0.5 1.416 * [taylor]: Taking taylor expansion of x in x 1.416 * [backup-simplify]: Simplify 0 into 0 1.416 * [backup-simplify]: Simplify 1 into 1 1.416 * [taylor]: Taking taylor expansion of (* 0.5 y) in x 1.416 * [taylor]: Taking taylor expansion of 0.5 in x 1.416 * [backup-simplify]: Simplify 0.5 into 0.5 1.416 * [taylor]: Taking taylor expansion of y in x 1.416 * [backup-simplify]: Simplify y into y 1.416 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in x 1.416 * [taylor]: Taking taylor expansion of (* 0.5 x) in x 1.416 * [taylor]: Taking taylor expansion of 0.5 in x 1.416 * [backup-simplify]: Simplify 0.5 into 0.5 1.416 * [taylor]: Taking taylor expansion of x in x 1.416 * [backup-simplify]: Simplify 0 into 0 1.416 * [backup-simplify]: Simplify 1 into 1 1.416 * [taylor]: Taking taylor expansion of (* 0.5 y) in x 1.416 * [taylor]: Taking taylor expansion of 0.5 in x 1.416 * [backup-simplify]: Simplify 0.5 into 0.5 1.416 * [taylor]: Taking taylor expansion of y in x 1.416 * [backup-simplify]: Simplify y into y 1.417 * [backup-simplify]: Simplify (* 0.5 0) into 0 1.417 * [backup-simplify]: Simplify (* 0.5 y) into (* 0.5 y) 1.417 * [backup-simplify]: Simplify (+ 0 (* 0.5 y)) into (* 0.5 y) 1.417 * [taylor]: Taking taylor expansion of (* 0.5 y) in y 1.417 * [taylor]: Taking taylor expansion of 0.5 in y 1.417 * [backup-simplify]: Simplify 0.5 into 0.5 1.417 * [taylor]: Taking taylor expansion of y in y 1.417 * [backup-simplify]: Simplify 0 into 0 1.417 * [backup-simplify]: Simplify 1 into 1 1.418 * [backup-simplify]: Simplify (* 0.5 0) into 0 1.418 * [backup-simplify]: Simplify 0 into 0 1.418 * [backup-simplify]: Simplify (+ (* 0.5 1) (* 0 0)) into 0.5 1.419 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 y)) into 0 1.419 * [backup-simplify]: Simplify (+ 0.5 0) into 0.5 1.419 * [taylor]: Taking taylor expansion of 0.5 in y 1.419 * [backup-simplify]: Simplify 0.5 into 0.5 1.419 * [backup-simplify]: Simplify 0.5 into 0.5 1.420 * [backup-simplify]: Simplify (+ (* 0.5 1) (* 0 0)) into 0.5 1.420 * [backup-simplify]: Simplify 0.5 into 0.5 1.421 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 1) (* 0 0))) into 0 1.421 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 y))) into 0 1.421 * [backup-simplify]: Simplify (+ 0 0) into 0 1.421 * [taylor]: Taking taylor expansion of 0 in y 1.421 * [backup-simplify]: Simplify 0 into 0 1.421 * [backup-simplify]: Simplify 0 into 0 1.421 * [backup-simplify]: Simplify 0 into 0 1.422 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 1) (* 0 0))) into 0 1.422 * [backup-simplify]: Simplify 0 into 0 1.423 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0 1.423 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))) into 0 1.423 * [backup-simplify]: Simplify (+ 0 0) into 0 1.424 * [taylor]: Taking taylor expansion of 0 in y 1.424 * [backup-simplify]: Simplify 0 into 0 1.424 * [backup-simplify]: Simplify 0 into 0 1.424 * [backup-simplify]: Simplify 0 into 0 1.424 * [backup-simplify]: Simplify 0 into 0 1.424 * [backup-simplify]: Simplify (+ (* 0.5 (* y 1)) (* 0.5 (* 1 x))) into (+ (* 0.5 x) (* 0.5 y)) 1.424 * [backup-simplify]: Simplify (+ (/ 1 x) (/ (- (/ 1 y) (/ 1 x)) 2.0)) into (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) 1.424 * [approximate]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in (x y) around 0 1.424 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in y 1.424 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y 1.424 * [taylor]: Taking taylor expansion of 0.5 in y 1.424 * [backup-simplify]: Simplify 0.5 into 0.5 1.424 * [taylor]: Taking taylor expansion of (/ 1 y) in y 1.424 * [taylor]: Taking taylor expansion of y in y 1.424 * [backup-simplify]: Simplify 0 into 0 1.424 * [backup-simplify]: Simplify 1 into 1 1.424 * [backup-simplify]: Simplify (/ 1 1) into 1 1.424 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in y 1.424 * [taylor]: Taking taylor expansion of 0.5 in y 1.424 * [backup-simplify]: Simplify 0.5 into 0.5 1.424 * [taylor]: Taking taylor expansion of (/ 1 x) in y 1.424 * [taylor]: Taking taylor expansion of x in y 1.424 * [backup-simplify]: Simplify x into x 1.424 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x) 1.424 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in x 1.424 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x 1.424 * [taylor]: Taking taylor expansion of 0.5 in x 1.424 * [backup-simplify]: Simplify 0.5 into 0.5 1.425 * [taylor]: Taking taylor expansion of (/ 1 y) in x 1.425 * [taylor]: Taking taylor expansion of y in x 1.425 * [backup-simplify]: Simplify y into y 1.425 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y) 1.425 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x 1.425 * [taylor]: Taking taylor expansion of 0.5 in x 1.425 * [backup-simplify]: Simplify 0.5 into 0.5 1.425 * [taylor]: Taking taylor expansion of (/ 1 x) in x 1.425 * [taylor]: Taking taylor expansion of x in x 1.425 * [backup-simplify]: Simplify 0 into 0 1.425 * [backup-simplify]: Simplify 1 into 1 1.425 * [backup-simplify]: Simplify (/ 1 1) into 1 1.425 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in x 1.425 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x 1.425 * [taylor]: Taking taylor expansion of 0.5 in x 1.425 * [backup-simplify]: Simplify 0.5 into 0.5 1.425 * [taylor]: Taking taylor expansion of (/ 1 y) in x 1.425 * [taylor]: Taking taylor expansion of y in x 1.425 * [backup-simplify]: Simplify y into y 1.425 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y) 1.425 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x 1.425 * [taylor]: Taking taylor expansion of 0.5 in x 1.425 * [backup-simplify]: Simplify 0.5 into 0.5 1.425 * [taylor]: Taking taylor expansion of (/ 1 x) in x 1.425 * [taylor]: Taking taylor expansion of x in x 1.425 * [backup-simplify]: Simplify 0 into 0 1.425 * [backup-simplify]: Simplify 1 into 1 1.426 * [backup-simplify]: Simplify (/ 1 1) into 1 1.426 * [backup-simplify]: Simplify (* 0.5 1) into 0.5 1.426 * [backup-simplify]: Simplify (+ 0 0.5) into 0.5 1.426 * [taylor]: Taking taylor expansion of 0.5 in y 1.426 * [backup-simplify]: Simplify 0.5 into 0.5 1.426 * [backup-simplify]: Simplify (* 0.5 (/ 1 y)) into (/ 0.5 y) 1.427 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0 1.428 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0 1.428 * [backup-simplify]: Simplify (+ (/ 0.5 y) 0) into (* 0.5 (/ 1 y)) 1.428 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y 1.428 * [taylor]: Taking taylor expansion of 0.5 in y 1.428 * [backup-simplify]: Simplify 0.5 into 0.5 1.428 * [taylor]: Taking taylor expansion of (/ 1 y) in y 1.428 * [taylor]: Taking taylor expansion of y in y 1.428 * [backup-simplify]: Simplify 0 into 0 1.428 * [backup-simplify]: Simplify 1 into 1 1.428 * [backup-simplify]: Simplify (/ 1 1) into 1 1.429 * [backup-simplify]: Simplify (* 0.5 1) into 0.5 1.429 * [backup-simplify]: Simplify 0.5 into 0.5 1.429 * [backup-simplify]: Simplify 0.5 into 0.5 1.429 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0 1.429 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 (/ 1 y))) into 0 1.430 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0 1.431 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0 1.431 * [backup-simplify]: Simplify (+ 0 0) into 0 1.431 * [taylor]: Taking taylor expansion of 0 in y 1.431 * [backup-simplify]: Simplify 0 into 0 1.432 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0 1.432 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0 1.432 * [backup-simplify]: Simplify 0 into 0 1.432 * [backup-simplify]: Simplify 0 into 0 1.433 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0 1.433 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 (/ 1 y)))) into 0 1.434 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 1.435 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0 1.435 * [backup-simplify]: Simplify (+ 0 0) into 0 1.435 * [taylor]: Taking taylor expansion of 0 in y 1.435 * [backup-simplify]: Simplify 0 into 0 1.435 * [backup-simplify]: Simplify 0 into 0 1.436 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0 1.437 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0 1.437 * [backup-simplify]: Simplify 0 into 0 1.437 * [backup-simplify]: Simplify 0 into 0 1.437 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0 1.438 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 y))))) into 0 1.439 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 1.440 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0 1.440 * [backup-simplify]: Simplify (+ 0 0) into 0 1.440 * [taylor]: Taking taylor expansion of 0 in y 1.440 * [backup-simplify]: Simplify 0 into 0 1.440 * [backup-simplify]: Simplify 0 into 0 1.441 * [backup-simplify]: Simplify (+ (* 0.5 (* 1 (/ 1 (/ 1 x)))) (* 0.5 (* (/ 1 (/ 1 y)) 1))) into (+ (* 0.5 x) (* 0.5 y)) 1.441 * [backup-simplify]: Simplify (+ (/ 1 (- x)) (/ (- (/ 1 (- y)) (/ 1 (- x))) 2.0)) into (- (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))) 1.441 * [approximate]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))) in (x y) around 0 1.441 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))) in y 1.441 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in y 1.441 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y 1.441 * [taylor]: Taking taylor expansion of 0.5 in y 1.441 * [backup-simplify]: Simplify 0.5 into 0.5 1.441 * [taylor]: Taking taylor expansion of (/ 1 y) in y 1.441 * [taylor]: Taking taylor expansion of y in y 1.441 * [backup-simplify]: Simplify 0 into 0 1.441 * [backup-simplify]: Simplify 1 into 1 1.441 * [backup-simplify]: Simplify (/ 1 1) into 1 1.441 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in y 1.441 * [taylor]: Taking taylor expansion of 0.5 in y 1.441 * [backup-simplify]: Simplify 0.5 into 0.5 1.441 * [taylor]: Taking taylor expansion of (/ 1 x) in y 1.441 * [taylor]: Taking taylor expansion of x in y 1.441 * [backup-simplify]: Simplify x into x 1.441 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x) 1.441 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))) in x 1.441 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in x 1.441 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x 1.442 * [taylor]: Taking taylor expansion of 0.5 in x 1.442 * [backup-simplify]: Simplify 0.5 into 0.5 1.442 * [taylor]: Taking taylor expansion of (/ 1 y) in x 1.442 * [taylor]: Taking taylor expansion of y in x 1.442 * [backup-simplify]: Simplify y into y 1.442 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y) 1.442 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x 1.442 * [taylor]: Taking taylor expansion of 0.5 in x 1.442 * [backup-simplify]: Simplify 0.5 into 0.5 1.442 * [taylor]: Taking taylor expansion of (/ 1 x) in x 1.442 * [taylor]: Taking taylor expansion of x in x 1.442 * [backup-simplify]: Simplify 0 into 0 1.442 * [backup-simplify]: Simplify 1 into 1 1.442 * [backup-simplify]: Simplify (/ 1 1) into 1 1.442 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))) in x 1.442 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in x 1.442 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x 1.442 * [taylor]: Taking taylor expansion of 0.5 in x 1.442 * [backup-simplify]: Simplify 0.5 into 0.5 1.442 * [taylor]: Taking taylor expansion of (/ 1 y) in x 1.442 * [taylor]: Taking taylor expansion of y in x 1.442 * [backup-simplify]: Simplify y into y 1.442 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y) 1.442 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x 1.442 * [taylor]: Taking taylor expansion of 0.5 in x 1.442 * [backup-simplify]: Simplify 0.5 into 0.5 1.442 * [taylor]: Taking taylor expansion of (/ 1 x) in x 1.442 * [taylor]: Taking taylor expansion of x in x 1.442 * [backup-simplify]: Simplify 0 into 0 1.442 * [backup-simplify]: Simplify 1 into 1 1.443 * [backup-simplify]: Simplify (/ 1 1) into 1 1.443 * [backup-simplify]: Simplify (* 0.5 1) into 0.5 1.443 * [backup-simplify]: Simplify (+ 0 0.5) into 0.5 1.444 * [backup-simplify]: Simplify (- 0.5) into (- 0.5) 1.444 * [taylor]: Taking taylor expansion of (- 0.5) in y 1.444 * [taylor]: Taking taylor expansion of 0.5 in y 1.444 * [backup-simplify]: Simplify 0.5 into 0.5 1.444 * [backup-simplify]: Simplify (* 0.5 (/ 1 y)) into (/ 0.5 y) 1.444 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0 1.445 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0 1.445 * [backup-simplify]: Simplify (+ (/ 0.5 y) 0) into (* 0.5 (/ 1 y)) 1.445 * [backup-simplify]: Simplify (- (* 0.5 (/ 1 y))) into (- (* 0.5 (/ 1 y))) 1.445 * [taylor]: Taking taylor expansion of (- (* 0.5 (/ 1 y))) in y 1.445 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y 1.445 * [taylor]: Taking taylor expansion of 0.5 in y 1.445 * [backup-simplify]: Simplify 0.5 into 0.5 1.445 * [taylor]: Taking taylor expansion of (/ 1 y) in y 1.445 * [taylor]: Taking taylor expansion of y in y 1.445 * [backup-simplify]: Simplify 0 into 0 1.445 * [backup-simplify]: Simplify 1 into 1 1.446 * [backup-simplify]: Simplify (/ 1 1) into 1 1.446 * [backup-simplify]: Simplify (* 0.5 1) into 0.5 1.446 * [backup-simplify]: Simplify (- 0.5) into (- 0.5) 1.447 * [backup-simplify]: Simplify (- 0.5) into (- 0.5) 1.447 * [backup-simplify]: Simplify (- 0.5) into (- 0.5) 1.447 * [backup-simplify]: Simplify (- 0.5) into (- 0.5) 1.447 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0 1.448 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 (/ 1 y))) into 0 1.449 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0 1.449 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0 1.450 * [backup-simplify]: Simplify (+ 0 0) into 0 1.450 * [backup-simplify]: Simplify (- 0) into 0 1.450 * [taylor]: Taking taylor expansion of 0 in y 1.450 * [backup-simplify]: Simplify 0 into 0 1.451 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0 1.451 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0 1.451 * [backup-simplify]: Simplify (- 0) into 0 1.452 * [backup-simplify]: Simplify 0 into 0 1.452 * [backup-simplify]: Simplify (- 0) into 0 1.452 * [backup-simplify]: Simplify 0 into 0 1.452 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0 1.453 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 (/ 1 y)))) into 0 1.453 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 1.454 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0 1.454 * [backup-simplify]: Simplify (+ 0 0) into 0 1.455 * [backup-simplify]: Simplify (- 0) into 0 1.455 * [taylor]: Taking taylor expansion of 0 in y 1.455 * [backup-simplify]: Simplify 0 into 0 1.455 * [backup-simplify]: Simplify 0 into 0 1.455 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0 1.456 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0 1.457 * [backup-simplify]: Simplify (- 0) into 0 1.457 * [backup-simplify]: Simplify 0 into 0 1.457 * [backup-simplify]: Simplify (- 0) into 0 1.457 * [backup-simplify]: Simplify 0 into 0 1.457 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0 1.458 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 y))))) into 0 1.459 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 1.460 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0 1.460 * [backup-simplify]: Simplify (+ 0 0) into 0 1.460 * [backup-simplify]: Simplify (- 0) into 0 1.460 * [taylor]: Taking taylor expansion of 0 in y 1.460 * [backup-simplify]: Simplify 0 into 0 1.460 * [backup-simplify]: Simplify 0 into 0 1.461 * [backup-simplify]: Simplify (+ (* (- 0.5) (* 1 (/ 1 (/ 1 (- x))))) (* (- 0.5) (* (/ 1 (/ 1 (- y))) 1))) into (+ (* 0.5 x) (* 0.5 y)) 1.461 * * * [progress]: simplifying candidates 1.462 * [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)) 1.462 * * [simplify]: Extracting # 0 : cost 0 1.462 * * [simplify]: Extracting # 1 : cost 0 1.462 * * [simplify]: Extracting # 2 : cost 0 1.463 * * [simplify]: Extracting # 3 : cost 0 1.463 * * [simplify]: Extracting # 4 : cost 0 1.463 * * [simplify]: Extracting # 5 : cost 0 1.463 * * [simplify]: Extracting # 6 : cost 0 1.463 * * [simplify]: iteration 0 : 33 enodes (cost 178 ) 1.473 * * [simplify]: Extracting # 0 : cost 0 1.473 * * [simplify]: Extracting # 1 : cost 0 1.474 * * [simplify]: Extracting # 2 : cost 0 1.474 * * [simplify]: Extracting # 3 : cost 0 1.474 * * [simplify]: Extracting # 4 : cost 0 1.474 * * [simplify]: iteration 1 : 92 enodes (cost 165 ) 1.498 * * [simplify]: Extracting # 0 : cost 0 1.499 * * [simplify]: Extracting # 1 : cost 0 1.499 * * [simplify]: Extracting # 2 : cost 0 1.499 * * [simplify]: Extracting # 3 : cost 0 1.500 * * [simplify]: Extracting # 4 : cost 0 1.500 * * [simplify]: iteration 2 : 248 enodes (cost 151 ) 1.603 * * [simplify]: Extracting # 0 : cost 0 1.604 * * [simplify]: Extracting # 1 : cost 0 1.606 * * [simplify]: Extracting # 2 : cost 0 1.607 * * [simplify]: Extracting # 3 : cost 0 1.608 * * [simplify]: Extracting # 4 : cost 0 1.609 * * [simplify]: iteration 3 : 806 enodes (cost 151 ) 2.016 * * [simplify]: Extracting # 0 : cost 0 2.022 * * [simplify]: Extracting # 1 : cost 0 2.034 * * [simplify]: Extracting # 2 : cost 0 2.041 * * [simplify]: Extracting # 3 : cost 0 2.047 * * [simplify]: Extracting # 4 : cost 0 2.055 * * [simplify]: Extracting # 5 : cost 0 2.063 * * [simplify]: iteration done: 5000 enodes (cost 151 ) 2.063 * [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)) 2.063 * * * [progress]: adding candidates to table 2.097 * * [progress]: iteration 2 / 4 2.097 * * * [progress]: picking best candidate 2.098 * * * * [pick]: Picked # 2.098 * * * [progress]: localizing error 2.104 * * * [progress]: generating rewritten candidates 2.104 * * * [progress]: generating series expansions 2.104 * * * [progress]: simplifying candidates 2.104 * [simplify]: Simplifying: 2.104 * * [simplify]: Extracting # 0 : cost 0 2.104 * * [simplify]: iteration 0 : 0 enodes (cost 0 ) 2.105 * * [simplify]: Extracting # 0 : cost 0 2.105 * * [simplify]: iteration done: 0 enodes (cost 0 ) 2.105 * [simplify]: Simplified to: 2.105 * * * [progress]: adding candidates to table 2.105 * [progress]: [Phase 3 of 3] Extracting. 2.107 * [simplify]: Simplifying: (* 0.5 (+ x y)) 2.107 * * [simplify]: Extracting # 0 : cost 0 2.107 * * [simplify]: Extracting # 1 : cost 0 2.107 * * [simplify]: Extracting # 2 : cost 0 2.107 * * [simplify]: Extracting # 3 : cost 0 2.107 * * [simplify]: Extracting # 4 : cost 0 2.107 * * [simplify]: iteration 0 : 5 enodes (cost 5 ) 2.107 * * [simplify]: Extracting # 0 : cost 0 2.107 * * [simplify]: iteration 1 : 7 enodes (cost 5 ) 2.108 * * [simplify]: Extracting # 0 : cost 0 2.108 * * [simplify]: iteration done: 7 enodes (cost 5 ) 2.108 * [simplify]: Simplified to: (* 0.5 (+ x y)) 3.062 * [regime-testing]: Baseline error score: 0 3.065 * [regime-testing]: Oracle error score: 0 3.065 * [regime-testing]: End program error score: 0 3.092 * [regime-testing]: Target error score: 0