19.121 * [progress]: [Phase 1 of 3] Setting up. 0.001 * * * [progress]: [1/2] Preparing points 0.066 * * * [progress]: [2/2] Setting up program. 0.068 * [progress]: [Phase 2 of 3] Improving. 0.068 * [simplify]: Simplifying using # : (- (- (* (+ n 1.0) (log (+ n 1.0))) (* n (log n))) 1.0) 0.071 * * [simplify]: iteration 0 : 19 enodes (cost 8 ) 0.072 * * [simplify]: iteration 1 : 49 enodes (cost 7 ) 0.074 * * [simplify]: iteration 2 : 149 enodes (cost 7 ) 0.076 * * [simplify]: iteration 3 : 289 enodes (cost 7 ) 0.079 * * [simplify]: iteration 4 : 506 enodes (cost 7 ) 0.082 * * [simplify]: iteration 5 : 675 enodes (cost 7 ) 0.088 * * [simplify]: iteration 6 : 950 enodes (cost 7 ) 0.097 * * [simplify]: iteration 7 : 1403 enodes (cost 7 ) 0.106 * * [simplify]: iteration 8 : 1888 enodes (cost 7 ) 0.115 * * [simplify]: iteration 9 : 2010 enodes (cost 7 ) 0.125 * * [simplify]: iteration 10 : 2323 enodes (cost 7 ) 0.138 * * [simplify]: iteration 11 : 2723 enodes (cost 7 ) 0.155 * * [simplify]: iteration 12 : 3234 enodes (cost 7 ) 0.173 * * [simplify]: iteration 13 : 3699 enodes (cost 7 ) 0.197 * * [simplify]: iteration 14 : 4691 enodes (cost 7 ) 0.237 * * [simplify]: iteration 15 : 5001 enodes (cost 7 ) 0.237 * [simplify]: Simplified to: (fma (log (+ n 1.0)) (+ n 1.0) (- (fma (log n) n 1.0))) 0.241 * * [progress]: iteration 1 / 4 0.241 * * * [progress]: picking best candidate 0.244 * * * * [pick]: Picked # 0.244 * * * [progress]: localizing error 0.259 * * * [progress]: generating rewritten candidates 0.259 * * * * [progress]: [ 1 / 2 ] rewriting at (2) 0.259 * * * * [progress]: [ 2 / 2 ] rewriting at (2 3 1) 0.260 * * * [progress]: generating series expansions 0.260 * * * * [progress]: [ 1 / 2 ] generating series at (2) 0.260 * [approximate]: Taking taylor expansion of (fma (log (+ n 1.0)) (+ n 1.0) (- (fma (log n) n 1.0))) in (n) around 0 0.261 * [taylor]: Taking taylor expansion of (fma (log (+ n 1.0)) (+ n 1.0) (- (fma (log n) n 1.0))) in n 0.261 * [taylor]: Rewrote expression to (+ (* (log (+ n 1.0)) (+ n 1.0)) (- (fma (log n) n 1.0))) 0.261 * [taylor]: Taking taylor expansion of (* (log (+ n 1.0)) (+ n 1.0)) in n 0.261 * [taylor]: Taking taylor expansion of (log (+ n 1.0)) in n 0.261 * [taylor]: Taking taylor expansion of (+ n 1.0) in n 0.261 * [taylor]: Taking taylor expansion of n in n 0.261 * [taylor]: Taking taylor expansion of 1.0 in n 0.262 * [taylor]: Taking taylor expansion of (+ n 1.0) in n 0.262 * [taylor]: Taking taylor expansion of n in n 0.262 * [taylor]: Taking taylor expansion of 1.0 in n 0.262 * [taylor]: Taking taylor expansion of (- (fma (log n) n 1.0)) in n 0.262 * [taylor]: Taking taylor expansion of (fma (log n) n 1.0) in n 0.262 * [taylor]: Rewrote expression to (+ (* (log n) n) 1.0) 0.262 * [taylor]: Taking taylor expansion of (* (log n) n) in n 0.262 * [taylor]: Taking taylor expansion of (log n) in n 0.262 * [taylor]: Taking taylor expansion of n in n 0.262 * [taylor]: Taking taylor expansion of n in n 0.262 * [taylor]: Taking taylor expansion of 1.0 in n 0.262 * [taylor]: Taking taylor expansion of (fma (log (+ n 1.0)) (+ n 1.0) (- (fma (log n) n 1.0))) in n 0.262 * [taylor]: Rewrote expression to (+ (* (log (+ n 1.0)) (+ n 1.0)) (- (fma (log n) n 1.0))) 0.262 * [taylor]: Taking taylor expansion of (* (log (+ n 1.0)) (+ n 1.0)) in n 0.262 * [taylor]: Taking taylor expansion of (log (+ n 1.0)) in n 0.262 * [taylor]: Taking taylor expansion of (+ n 1.0) in n 0.262 * [taylor]: Taking taylor expansion of n in n 0.262 * [taylor]: Taking taylor expansion of 1.0 in n 0.263 * [taylor]: Taking taylor expansion of (+ n 1.0) in n 0.263 * [taylor]: Taking taylor expansion of n in n 0.263 * [taylor]: Taking taylor expansion of 1.0 in n 0.263 * [taylor]: Taking taylor expansion of (- (fma (log n) n 1.0)) in n 0.263 * [taylor]: Taking taylor expansion of (fma (log n) n 1.0) in n 0.263 * [taylor]: Rewrote expression to (+ (* (log n) n) 1.0) 0.263 * [taylor]: Taking taylor expansion of (* (log n) n) in n 0.263 * [taylor]: Taking taylor expansion of (log n) in n 0.263 * [taylor]: Taking taylor expansion of n in n 0.264 * [taylor]: Taking taylor expansion of n in n 0.264 * [taylor]: Taking taylor expansion of 1.0 in n 0.295 * [approximate]: Taking taylor expansion of (fma (log (+ (/ 1 n) 1.0)) (+ (/ 1 n) 1.0) (- (fma (log (/ 1 n)) (/ 1 n) 1.0))) in (n) around 0 0.295 * [taylor]: Taking taylor expansion of (fma (log (+ (/ 1 n) 1.0)) (+ (/ 1 n) 1.0) (- (fma (log (/ 1 n)) (/ 1 n) 1.0))) in n 0.295 * [taylor]: Rewrote expression to (+ (* (log (+ (/ 1 n) 1.0)) (+ (/ 1 n) 1.0)) (- (fma (log (/ 1 n)) (/ 1 n) 1.0))) 0.295 * [taylor]: Taking taylor expansion of (* (log (+ (/ 1 n) 1.0)) (+ (/ 1 n) 1.0)) in n 0.295 * [taylor]: Taking taylor expansion of (log (+ (/ 1 n) 1.0)) in n 0.295 * [taylor]: Taking taylor expansion of (+ (/ 1 n) 1.0) in n 0.295 * [taylor]: Taking taylor expansion of (/ 1 n) in n 0.295 * [taylor]: Taking taylor expansion of n in n 0.295 * [taylor]: Taking taylor expansion of 1.0 in n 0.296 * [taylor]: Taking taylor expansion of (+ (/ 1 n) 1.0) in n 0.296 * [taylor]: Taking taylor expansion of (/ 1 n) in n 0.296 * [taylor]: Taking taylor expansion of n in n 0.296 * [taylor]: Taking taylor expansion of 1.0 in n 0.296 * [taylor]: Taking taylor expansion of (- (fma (log (/ 1 n)) (/ 1 n) 1.0)) in n 0.296 * [taylor]: Taking taylor expansion of (fma (log (/ 1 n)) (/ 1 n) 1.0) in n 0.296 * [taylor]: Rewrote expression to (+ (* (log (/ 1 n)) (/ 1 n)) 1.0) 0.296 * [taylor]: Taking taylor expansion of (* (log (/ 1 n)) (/ 1 n)) in n 0.296 * [taylor]: Taking taylor expansion of (log (/ 1 n)) in n 0.297 * [taylor]: Taking taylor expansion of (/ 1 n) in n 0.297 * [taylor]: Taking taylor expansion of n in n 0.297 * [taylor]: Taking taylor expansion of (/ 1 n) in n 0.297 * [taylor]: Taking taylor expansion of n in n 0.297 * [taylor]: Taking taylor expansion of 1.0 in n 0.297 * [taylor]: Taking taylor expansion of (fma (log (+ (/ 1 n) 1.0)) (+ (/ 1 n) 1.0) (- (fma (log (/ 1 n)) (/ 1 n) 1.0))) in n 0.297 * [taylor]: Rewrote expression to (+ (* (log (+ (/ 1 n) 1.0)) (+ (/ 1 n) 1.0)) (- (fma (log (/ 1 n)) (/ 1 n) 1.0))) 0.297 * [taylor]: Taking taylor expansion of (* (log (+ (/ 1 n) 1.0)) (+ (/ 1 n) 1.0)) in n 0.297 * [taylor]: Taking taylor expansion of (log (+ (/ 1 n) 1.0)) in n 0.298 * [taylor]: Taking taylor expansion of (+ (/ 1 n) 1.0) in n 0.298 * [taylor]: Taking taylor expansion of (/ 1 n) in n 0.298 * [taylor]: Taking taylor expansion of n in n 0.298 * [taylor]: Taking taylor expansion of 1.0 in n 0.299 * [taylor]: Taking taylor expansion of (+ (/ 1 n) 1.0) in n 0.299 * [taylor]: Taking taylor expansion of (/ 1 n) in n 0.299 * [taylor]: Taking taylor expansion of n in n 0.299 * [taylor]: Taking taylor expansion of 1.0 in n 0.299 * [taylor]: Taking taylor expansion of (- (fma (log (/ 1 n)) (/ 1 n) 1.0)) in n 0.299 * [taylor]: Taking taylor expansion of (fma (log (/ 1 n)) (/ 1 n) 1.0) in n 0.299 * [taylor]: Rewrote expression to (+ (* (log (/ 1 n)) (/ 1 n)) 1.0) 0.299 * [taylor]: Taking taylor expansion of (* (log (/ 1 n)) (/ 1 n)) in n 0.299 * [taylor]: Taking taylor expansion of (log (/ 1 n)) in n 0.299 * [taylor]: Taking taylor expansion of (/ 1 n) in n 0.299 * [taylor]: Taking taylor expansion of n in n 0.300 * [taylor]: Taking taylor expansion of (/ 1 n) in n 0.300 * [taylor]: Taking taylor expansion of n in n 0.300 * [taylor]: Taking taylor expansion of 1.0 in n 0.346 * [approximate]: Taking taylor expansion of (fma (log (- 1.0 (/ 1 n))) (- 1.0 (/ 1 n)) (- (fma (log (/ -1 n)) (/ -1 n) 1.0))) in (n) around 0 0.346 * [taylor]: Taking taylor expansion of (fma (log (- 1.0 (/ 1 n))) (- 1.0 (/ 1 n)) (- (fma (log (/ -1 n)) (/ -1 n) 1.0))) in n 0.347 * [taylor]: Rewrote expression to (+ (* (log (- 1.0 (/ 1 n))) (- 1.0 (/ 1 n))) (- (fma (log (/ -1 n)) (/ -1 n) 1.0))) 0.347 * [taylor]: Taking taylor expansion of (* (log (- 1.0 (/ 1 n))) (- 1.0 (/ 1 n))) in n 0.347 * [taylor]: Taking taylor expansion of (log (- 1.0 (/ 1 n))) in n 0.347 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 n)) in n 0.347 * [taylor]: Taking taylor expansion of 1.0 in n 0.347 * [taylor]: Taking taylor expansion of (/ 1 n) in n 0.347 * [taylor]: Taking taylor expansion of n in n 0.348 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 n)) in n 0.348 * [taylor]: Taking taylor expansion of 1.0 in n 0.348 * [taylor]: Taking taylor expansion of (/ 1 n) in n 0.348 * [taylor]: Taking taylor expansion of n in n 0.348 * [taylor]: Taking taylor expansion of (- (fma (log (/ -1 n)) (/ -1 n) 1.0)) in n 0.348 * [taylor]: Taking taylor expansion of (fma (log (/ -1 n)) (/ -1 n) 1.0) in n 0.348 * [taylor]: Rewrote expression to (+ (* (log (/ -1 n)) (/ -1 n)) 1.0) 0.348 * [taylor]: Taking taylor expansion of (* (log (/ -1 n)) (/ -1 n)) in n 0.348 * [taylor]: Taking taylor expansion of (log (/ -1 n)) in n 0.348 * [taylor]: Taking taylor expansion of (/ -1 n) in n 0.348 * [taylor]: Taking taylor expansion of -1 in n 0.348 * [taylor]: Taking taylor expansion of n in n 0.349 * [taylor]: Taking taylor expansion of (/ -1 n) in n 0.349 * [taylor]: Taking taylor expansion of -1 in n 0.349 * [taylor]: Taking taylor expansion of n in n 0.350 * [taylor]: Taking taylor expansion of 1.0 in n 0.350 * [taylor]: Taking taylor expansion of (fma (log (- 1.0 (/ 1 n))) (- 1.0 (/ 1 n)) (- (fma (log (/ -1 n)) (/ -1 n) 1.0))) in n 0.350 * [taylor]: Rewrote expression to (+ (* (log (- 1.0 (/ 1 n))) (- 1.0 (/ 1 n))) (- (fma (log (/ -1 n)) (/ -1 n) 1.0))) 0.350 * [taylor]: Taking taylor expansion of (* (log (- 1.0 (/ 1 n))) (- 1.0 (/ 1 n))) in n 0.350 * [taylor]: Taking taylor expansion of (log (- 1.0 (/ 1 n))) in n 0.350 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 n)) in n 0.350 * [taylor]: Taking taylor expansion of 1.0 in n 0.350 * [taylor]: Taking taylor expansion of (/ 1 n) in n 0.350 * [taylor]: Taking taylor expansion of n in n 0.351 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 n)) in n 0.351 * [taylor]: Taking taylor expansion of 1.0 in n 0.351 * [taylor]: Taking taylor expansion of (/ 1 n) in n 0.351 * [taylor]: Taking taylor expansion of n in n 0.351 * [taylor]: Taking taylor expansion of (- (fma (log (/ -1 n)) (/ -1 n) 1.0)) in n 0.351 * [taylor]: Taking taylor expansion of (fma (log (/ -1 n)) (/ -1 n) 1.0) in n 0.351 * [taylor]: Rewrote expression to (+ (* (log (/ -1 n)) (/ -1 n)) 1.0) 0.351 * [taylor]: Taking taylor expansion of (* (log (/ -1 n)) (/ -1 n)) in n 0.351 * [taylor]: Taking taylor expansion of (log (/ -1 n)) in n 0.351 * [taylor]: Taking taylor expansion of (/ -1 n) in n 0.351 * [taylor]: Taking taylor expansion of -1 in n 0.351 * [taylor]: Taking taylor expansion of n in n 0.352 * [taylor]: Taking taylor expansion of (/ -1 n) in n 0.352 * [taylor]: Taking taylor expansion of -1 in n 0.352 * [taylor]: Taking taylor expansion of n in n 0.352 * [taylor]: Taking taylor expansion of 1.0 in n 0.407 * * * * [progress]: [ 2 / 2 ] generating series at (2 3 1) 0.407 * [approximate]: Taking taylor expansion of (fma (log n) n 1.0) in (n) around 0 0.407 * [taylor]: Taking taylor expansion of (fma (log n) n 1.0) in n 0.407 * [taylor]: Rewrote expression to (+ (* (log n) n) 1.0) 0.407 * [taylor]: Taking taylor expansion of (* (log n) n) in n 0.407 * [taylor]: Taking taylor expansion of (log n) in n 0.407 * [taylor]: Taking taylor expansion of n in n 0.407 * [taylor]: Taking taylor expansion of n in n 0.407 * [taylor]: Taking taylor expansion of 1.0 in n 0.407 * [taylor]: Taking taylor expansion of (fma (log n) n 1.0) in n 0.407 * [taylor]: Rewrote expression to (+ (* (log n) n) 1.0) 0.407 * [taylor]: Taking taylor expansion of (* (log n) n) in n 0.407 * [taylor]: Taking taylor expansion of (log n) in n 0.407 * [taylor]: Taking taylor expansion of n in n 0.408 * [taylor]: Taking taylor expansion of n in n 0.408 * [taylor]: Taking taylor expansion of 1.0 in n 0.476 * [approximate]: Taking taylor expansion of (fma (log (/ 1 n)) (/ 1 n) 1.0) in (n) around 0 0.476 * [taylor]: Taking taylor expansion of (fma (log (/ 1 n)) (/ 1 n) 1.0) in n 0.477 * [taylor]: Rewrote expression to (+ (* (log (/ 1 n)) (/ 1 n)) 1.0) 0.477 * [taylor]: Taking taylor expansion of (* (log (/ 1 n)) (/ 1 n)) in n 0.477 * [taylor]: Taking taylor expansion of (log (/ 1 n)) in n 0.477 * [taylor]: Taking taylor expansion of (/ 1 n) in n 0.477 * [taylor]: Taking taylor expansion of n in n 0.477 * [taylor]: Taking taylor expansion of (/ 1 n) in n 0.477 * [taylor]: Taking taylor expansion of n in n 0.477 * [taylor]: Taking taylor expansion of 1.0 in n 0.477 * [taylor]: Taking taylor expansion of (fma (log (/ 1 n)) (/ 1 n) 1.0) in n 0.478 * [taylor]: Rewrote expression to (+ (* (log (/ 1 n)) (/ 1 n)) 1.0) 0.478 * [taylor]: Taking taylor expansion of (* (log (/ 1 n)) (/ 1 n)) in n 0.478 * [taylor]: Taking taylor expansion of (log (/ 1 n)) in n 0.478 * [taylor]: Taking taylor expansion of (/ 1 n) in n 0.478 * [taylor]: Taking taylor expansion of n in n 0.478 * [taylor]: Taking taylor expansion of (/ 1 n) in n 0.478 * [taylor]: Taking taylor expansion of n in n 0.478 * [taylor]: Taking taylor expansion of 1.0 in n 0.553 * [approximate]: Taking taylor expansion of (fma (log (/ -1 n)) (/ -1 n) 1.0) in (n) around 0 0.553 * [taylor]: Taking taylor expansion of (fma (log (/ -1 n)) (/ -1 n) 1.0) in n 0.554 * [taylor]: Rewrote expression to (+ (* (log (/ -1 n)) (/ -1 n)) 1.0) 0.554 * [taylor]: Taking taylor expansion of (* (log (/ -1 n)) (/ -1 n)) in n 0.554 * [taylor]: Taking taylor expansion of (log (/ -1 n)) in n 0.554 * [taylor]: Taking taylor expansion of (/ -1 n) in n 0.554 * [taylor]: Taking taylor expansion of -1 in n 0.554 * [taylor]: Taking taylor expansion of n in n 0.554 * [taylor]: Taking taylor expansion of (/ -1 n) in n 0.554 * [taylor]: Taking taylor expansion of -1 in n 0.554 * [taylor]: Taking taylor expansion of n in n 0.555 * [taylor]: Taking taylor expansion of 1.0 in n 0.555 * [taylor]: Taking taylor expansion of (fma (log (/ -1 n)) (/ -1 n) 1.0) in n 0.555 * [taylor]: Rewrote expression to (+ (* (log (/ -1 n)) (/ -1 n)) 1.0) 0.555 * [taylor]: Taking taylor expansion of (* (log (/ -1 n)) (/ -1 n)) in n 0.555 * [taylor]: Taking taylor expansion of (log (/ -1 n)) in n 0.555 * [taylor]: Taking taylor expansion of (/ -1 n) in n 0.555 * [taylor]: Taking taylor expansion of -1 in n 0.555 * [taylor]: Taking taylor expansion of n in n 0.555 * [taylor]: Taking taylor expansion of (/ -1 n) in n 0.555 * [taylor]: Taking taylor expansion of -1 in n 0.555 * [taylor]: Taking taylor expansion of n in n 0.556 * [taylor]: Taking taylor expansion of 1.0 in n 0.637 * * * [progress]: simplifying candidates 0.637 * [simplify]: Simplifying using # : (* (log (+ n 1.0)) (+ n 1.0)) (* (log n) n) (- (+ (* 1.0 n) (+ (* 1.0 (log 1.0)) (+ (* 1.0 (pow n 2)) (* (log 1.0) n)))) (+ (* 0.5 (/ (pow n 2) (pow 1.0 2))) (+ (* n (log n)) 1.0))) (- (* 0.5 (/ 1 n)) (+ (* 1.0 (log (/ 1 n))) (* 0.16666666666666669 (/ 1 (pow n 2))))) (- (+ (* 1.0 (log -1)) (* 0.5 (/ 1 n))) (+ (* 0.16666666666666669 (/ 1 (pow n 2))) (* 1.0 (log (/ -1 n))))) (+ (* n (log n)) 1.0) (- 1.0 (* (log (/ 1 n)) n)) (- (+ (* (log -1) n) 1.0) (* n (log (/ -1 n)))) 0.642 * * [simplify]: iteration 0 : 137 enodes (cost 55 ) 0.645 * * [simplify]: iteration 1 : 393 enodes (cost 52 ) 0.652 * * [simplify]: iteration 2 : 1692 enodes (cost 48 ) 0.682 * * [simplify]: iteration 3 : 5002 enodes (cost 46 ) 0.683 * [simplify]: Simplified to: (* (log (+ n 1.0)) (+ n 1.0)) (* (log n) n) (fma n 1.0 (- (fma 1.0 (log 1.0) (fma 1.0 (pow n 2) (* (log 1.0) n))) (fma 0.5 (/ (pow n 2) (pow 1.0 2)) (fma n (log n) 1.0)))) (fma (/ 1 n) (- 0.5 (/ 0.16666666666666669 n)) (* (log n) 1.0)) (fma (log -1) 1.0 (- (* 0.5 (/ 1 n)) (fma 0.16666666666666669 (/ 1 (pow n 2)) (* 1.0 (log (/ -1 n)))))) (fma n (log n) 1.0) (fma n (log n) 1.0) (fma n (- (log -1) (log (/ -1 n))) 1.0) 0.683 * * * [progress]: adding candidates to table 0.705 * * [progress]: iteration 2 / 4 0.705 * * * [progress]: picking best candidate 0.707 * * * * [pick]: Picked # 0.707 * * * [progress]: localizing error 0.716 * * * [progress]: generating rewritten candidates 0.717 * * * [progress]: generating series expansions 0.717 * * * [progress]: simplifying candidates 0.717 * [simplify]: Simplifying using # : 0.719 * * [simplify]: iteration 0 : 0 enodes (cost 0 ) 0.719 * [simplify]: Simplified to: 0.719 * * * [progress]: adding candidates to table 0.719 * [progress]: [Phase 3 of 3] Extracting. 0.721 * [simplify]: Simplifying using # : (fma (/ 1 n) (- 0.5 (/ 0.16666666666666669 n)) (* (log n) 1.0)) 0.722 * * [simplify]: iteration 0 : 14 enodes (cost 6 ) 0.722 * * [simplify]: iteration 1 : 14 enodes (cost 6 ) 0.722 * [simplify]: Simplified to: (fma (/ 1 n) (- 0.5 (/ 0.16666666666666669 n)) (* (log n) 1.0)) 2.788 * [regime-testing]: End program error score: 0 2.821 * [regime-testing]: Target error score: 0