0.396 * [progress]: [Phase 1 of 3] Setting up. 0.002 * * * [progress]: [1/2] Preparing points 0.077 * * * [progress]: [2/2] Setting up program. 0.081 * [progress]: [Phase 2 of 3] Improving. 0.083 * [simplify]: Simplifying: (- (* (+ x 1.0) (+ x 1.0)) 1.0) 0.084 * * [simplify]: iteration 0: 5 enodes 0.089 * * [simplify]: iteration 1: 15 enodes 0.093 * * [simplify]: iteration 2: 40 enodes 0.103 * * [simplify]: iteration 3: 113 enodes 0.330 * * [simplify]: iteration 4: 254 enodes 0.405 * * [simplify]: iteration 5: 404 enodes 0.534 * * [simplify]: iteration 6: 609 enodes 0.746 * * [simplify]: iteration 7: 893 enodes 1.176 * * [simplify]: iteration 8: 1588 enodes 2.693 * * [simplify]: iteration 9: 4098 enodes 3.378 * * [simplify]: iteration complete: 5000 enodes 3.379 * * [simplify]: Extracting #0: cost 1 inf + 0 3.379 * * [simplify]: Extracting #1: cost 154 inf + 0 3.384 * * [simplify]: Extracting #2: cost 616 inf + 1316 3.396 * * [simplify]: Extracting #3: cost 220 inf + 41040 3.424 * * [simplify]: Extracting #4: cost 2 inf + 71332 3.455 * * [simplify]: Extracting #5: cost 0 inf + 71498 3.483 * * [simplify]: Extracting #6: cost 0 inf + 71438 3.513 * [simplify]: Simplified to: (- (* (+ x 1.0) (+ x 1.0)) 1.0) 3.515 * * [progress]: iteration 1 / 4 3.515 * * * [progress]: picking best candidate 3.518 * * * * [pick]: Picked # 3.518 * * * [progress]: localizing error 3.526 * * * [progress]: generating rewritten candidates 3.526 * * * * [progress]: [ 1 / 2 ] rewriting at (2) 3.542 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1) 3.574 * * * [progress]: generating series expansions 3.575 * * * * [progress]: [ 1 / 2 ] generating series at (2) 3.579 * [backup-simplify]: Simplify (- (* (+ x 1.0) (+ x 1.0)) 1.0) into (+ (* 2.0 x) (pow x 2)) 3.579 * [approximate]: Taking taylor expansion of (+ (* 2.0 x) (pow x 2)) in (x) around 0 3.580 * [taylor]: Taking taylor expansion of (+ (* 2.0 x) (pow x 2)) in x 3.580 * [taylor]: Taking taylor expansion of (* 2.0 x) in x 3.580 * [taylor]: Taking taylor expansion of 2.0 in x 3.580 * [backup-simplify]: Simplify 2.0 into 2.0 3.580 * [taylor]: Taking taylor expansion of x in x 3.580 * [backup-simplify]: Simplify 0 into 0 3.580 * [backup-simplify]: Simplify 1 into 1 3.580 * [taylor]: Taking taylor expansion of (pow x 2) in x 3.580 * [taylor]: Taking taylor expansion of x in x 3.580 * [backup-simplify]: Simplify 0 into 0 3.580 * [backup-simplify]: Simplify 1 into 1 3.580 * [taylor]: Taking taylor expansion of (+ (* 2.0 x) (pow x 2)) in x 3.580 * [taylor]: Taking taylor expansion of (* 2.0 x) in x 3.580 * [taylor]: Taking taylor expansion of 2.0 in x 3.581 * [backup-simplify]: Simplify 2.0 into 2.0 3.581 * [taylor]: Taking taylor expansion of x in x 3.581 * [backup-simplify]: Simplify 0 into 0 3.581 * [backup-simplify]: Simplify 1 into 1 3.581 * [taylor]: Taking taylor expansion of (pow x 2) in x 3.581 * [taylor]: Taking taylor expansion of x in x 3.581 * [backup-simplify]: Simplify 0 into 0 3.581 * [backup-simplify]: Simplify 1 into 1 3.582 * [backup-simplify]: Simplify (* 2.0 0) into 0 3.582 * [backup-simplify]: Simplify (+ 0 0) into 0 3.582 * [backup-simplify]: Simplify 0 into 0 3.583 * [backup-simplify]: Simplify (+ (* 2.0 1) (* 0 0)) into 2.0 3.583 * [backup-simplify]: Simplify (+ 2.0 0) into 2.0 3.583 * [backup-simplify]: Simplify 2.0 into 2.0 3.584 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 1) (* 0 0))) into 0 3.584 * [backup-simplify]: Simplify (* 1 1) into 1 3.584 * [backup-simplify]: Simplify (+ 0 1) into 1 3.584 * [backup-simplify]: Simplify 1 into 1 3.585 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0 3.585 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0 3.586 * [backup-simplify]: Simplify (+ 0 0) into 0 3.586 * [backup-simplify]: Simplify 0 into 0 3.586 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))) into 0 3.587 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0 3.587 * [backup-simplify]: Simplify (+ 0 0) into 0 3.587 * [backup-simplify]: Simplify 0 into 0 3.588 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))))) into 0 3.589 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0 3.589 * [backup-simplify]: Simplify (+ 0 0) into 0 3.589 * [backup-simplify]: Simplify 0 into 0 3.590 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))))) into 0 3.590 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0 3.590 * [backup-simplify]: Simplify (+ 0 0) into 0 3.590 * [backup-simplify]: Simplify 0 into 0 3.591 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))))))) into 0 3.592 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0 3.592 * [backup-simplify]: Simplify (+ 0 0) into 0 3.592 * [backup-simplify]: Simplify 0 into 0 3.593 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))))))) into 0 3.594 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0 3.594 * [backup-simplify]: Simplify (+ 0 0) into 0 3.594 * [backup-simplify]: Simplify 0 into 0 3.595 * [backup-simplify]: Simplify (+ (* 1 (pow x 2)) (* 2.0 x)) into (+ (* 2.0 x) (pow x 2)) 3.595 * [backup-simplify]: Simplify (- (* (+ (/ 1 x) 1.0) (+ (/ 1 x) 1.0)) 1.0) into (+ (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) 3.595 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) in (x) around 0 3.595 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) in x 3.595 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x 3.595 * [taylor]: Taking taylor expansion of (pow x 2) in x 3.595 * [taylor]: Taking taylor expansion of x in x 3.595 * [backup-simplify]: Simplify 0 into 0 3.595 * [backup-simplify]: Simplify 1 into 1 3.595 * [backup-simplify]: Simplify (* 1 1) into 1 3.596 * [backup-simplify]: Simplify (/ 1 1) into 1 3.596 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in x 3.596 * [taylor]: Taking taylor expansion of 2.0 in x 3.596 * [backup-simplify]: Simplify 2.0 into 2.0 3.596 * [taylor]: Taking taylor expansion of (/ 1 x) in x 3.596 * [taylor]: Taking taylor expansion of x in x 3.596 * [backup-simplify]: Simplify 0 into 0 3.596 * [backup-simplify]: Simplify 1 into 1 3.596 * [backup-simplify]: Simplify (/ 1 1) into 1 3.596 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) in x 3.596 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x 3.596 * [taylor]: Taking taylor expansion of (pow x 2) in x 3.596 * [taylor]: Taking taylor expansion of x in x 3.596 * [backup-simplify]: Simplify 0 into 0 3.596 * [backup-simplify]: Simplify 1 into 1 3.596 * [backup-simplify]: Simplify (* 1 1) into 1 3.596 * [backup-simplify]: Simplify (/ 1 1) into 1 3.596 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in x 3.596 * [taylor]: Taking taylor expansion of 2.0 in x 3.597 * [backup-simplify]: Simplify 2.0 into 2.0 3.597 * [taylor]: Taking taylor expansion of (/ 1 x) in x 3.597 * [taylor]: Taking taylor expansion of x in x 3.597 * [backup-simplify]: Simplify 0 into 0 3.597 * [backup-simplify]: Simplify 1 into 1 3.597 * [backup-simplify]: Simplify (/ 1 1) into 1 3.597 * [backup-simplify]: Simplify (+ 1 0) into 1 3.597 * [backup-simplify]: Simplify 1 into 1 3.598 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0 3.598 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0 3.598 * [backup-simplify]: Simplify (* 2.0 1) into 2.0 3.598 * [backup-simplify]: Simplify (+ 0 2.0) into 2.0 3.599 * [backup-simplify]: Simplify 2.0 into 2.0 3.599 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0 3.600 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0 3.600 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0 3.600 * [backup-simplify]: Simplify (+ (* 2.0 0) (* 0 1)) into 0 3.601 * [backup-simplify]: Simplify (+ 0 0) into 0 3.601 * [backup-simplify]: Simplify 0 into 0 3.601 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0 3.602 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 3.602 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0 3.603 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (* 0 1))) into 0 3.603 * [backup-simplify]: Simplify (+ 0 0) into 0 3.603 * [backup-simplify]: Simplify 0 into 0 3.603 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0 3.604 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 3.605 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 3.605 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0 3.605 * [backup-simplify]: Simplify (+ 0 0) into 0 3.605 * [backup-simplify]: Simplify 0 into 0 3.606 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0 3.607 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 3.607 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 3.608 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0 3.608 * [backup-simplify]: Simplify (+ 0 0) into 0 3.608 * [backup-simplify]: Simplify 0 into 0 3.609 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0 3.610 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 3.610 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 3.611 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0 3.611 * [backup-simplify]: Simplify (+ 0 0) into 0 3.611 * [backup-simplify]: Simplify 0 into 0 3.612 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0 3.612 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 3.613 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 3.614 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0 3.614 * [backup-simplify]: Simplify (+ 0 0) into 0 3.614 * [backup-simplify]: Simplify 0 into 0 3.614 * [backup-simplify]: Simplify (+ (* 2.0 (/ 1 (/ 1 x))) (* 1 (pow (/ 1 (/ 1 x)) 2))) into (+ (* 2.0 x) (pow x 2)) 3.614 * [backup-simplify]: Simplify (- (* (+ (/ 1 (- x)) 1.0) (+ (/ 1 (- x)) 1.0)) 1.0) into (- (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) 3.614 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) in (x) around 0 3.614 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) in x 3.614 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x 3.615 * [taylor]: Taking taylor expansion of (pow x 2) in x 3.615 * [taylor]: Taking taylor expansion of x in x 3.615 * [backup-simplify]: Simplify 0 into 0 3.615 * [backup-simplify]: Simplify 1 into 1 3.615 * [backup-simplify]: Simplify (* 1 1) into 1 3.615 * [backup-simplify]: Simplify (/ 1 1) into 1 3.615 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in x 3.615 * [taylor]: Taking taylor expansion of 2.0 in x 3.615 * [backup-simplify]: Simplify 2.0 into 2.0 3.615 * [taylor]: Taking taylor expansion of (/ 1 x) in x 3.615 * [taylor]: Taking taylor expansion of x in x 3.615 * [backup-simplify]: Simplify 0 into 0 3.615 * [backup-simplify]: Simplify 1 into 1 3.615 * [backup-simplify]: Simplify (/ 1 1) into 1 3.615 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 2.0 (/ 1 x))) in x 3.615 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x 3.615 * [taylor]: Taking taylor expansion of (pow x 2) in x 3.615 * [taylor]: Taking taylor expansion of x in x 3.615 * [backup-simplify]: Simplify 0 into 0 3.615 * [backup-simplify]: Simplify 1 into 1 3.616 * [backup-simplify]: Simplify (* 1 1) into 1 3.616 * [backup-simplify]: Simplify (/ 1 1) into 1 3.616 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 x)) in x 3.616 * [taylor]: Taking taylor expansion of 2.0 in x 3.616 * [backup-simplify]: Simplify 2.0 into 2.0 3.616 * [taylor]: Taking taylor expansion of (/ 1 x) in x 3.616 * [taylor]: Taking taylor expansion of x in x 3.616 * [backup-simplify]: Simplify 0 into 0 3.616 * [backup-simplify]: Simplify 1 into 1 3.616 * [backup-simplify]: Simplify (/ 1 1) into 1 3.616 * [backup-simplify]: Simplify (+ 1 0) into 1 3.617 * [backup-simplify]: Simplify 1 into 1 3.617 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0 3.617 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0 3.618 * [backup-simplify]: Simplify (* 2.0 1) into 2.0 3.618 * [backup-simplify]: Simplify (- 2.0) into (- 2.0) 3.618 * [backup-simplify]: Simplify (+ 0 (- 2.0)) into (- 2.0) 3.619 * [backup-simplify]: Simplify (- 2.0) into (- 2.0) 3.619 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0 3.620 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0 3.620 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0 3.620 * [backup-simplify]: Simplify (+ (* 2.0 0) (* 0 1)) into 0 3.621 * [backup-simplify]: Simplify (- 0) into 0 3.621 * [backup-simplify]: Simplify (+ 0 0) into 0 3.621 * [backup-simplify]: Simplify 0 into 0 3.621 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0 3.622 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 3.622 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0 3.623 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (* 0 1))) into 0 3.623 * [backup-simplify]: Simplify (- 0) into 0 3.623 * [backup-simplify]: Simplify (+ 0 0) into 0 3.623 * [backup-simplify]: Simplify 0 into 0 3.624 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0 3.624 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 3.625 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 3.626 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0 3.626 * [backup-simplify]: Simplify (- 0) into 0 3.626 * [backup-simplify]: Simplify (+ 0 0) into 0 3.626 * [backup-simplify]: Simplify 0 into 0 3.627 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0 3.627 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 3.628 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 3.628 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0 3.629 * [backup-simplify]: Simplify (- 0) into 0 3.629 * [backup-simplify]: Simplify (+ 0 0) into 0 3.629 * [backup-simplify]: Simplify 0 into 0 3.630 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0 3.630 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 3.631 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 3.631 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0 3.632 * [backup-simplify]: Simplify (- 0) into 0 3.632 * [backup-simplify]: Simplify (+ 0 0) into 0 3.632 * [backup-simplify]: Simplify 0 into 0 3.633 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0 3.633 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 3.634 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 3.635 * [backup-simplify]: Simplify (+ (* 2.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0 3.635 * [backup-simplify]: Simplify (- 0) into 0 3.635 * [backup-simplify]: Simplify (+ 0 0) into 0 3.635 * [backup-simplify]: Simplify 0 into 0 3.636 * [backup-simplify]: Simplify (+ (* (- 2.0) (/ 1 (/ 1 (- x)))) (* 1 (pow (/ 1 (/ 1 (- x))) 2))) into (+ (* 2.0 x) (pow x 2)) 3.636 * * * * [progress]: [ 2 / 2 ] generating series at (2 1) 3.636 * [backup-simplify]: Simplify (* (+ x 1.0) (+ x 1.0)) into (pow (+ x 1.0) 2) 3.636 * [approximate]: Taking taylor expansion of (pow (+ x 1.0) 2) in (x) around 0 3.636 * [taylor]: Taking taylor expansion of (pow (+ x 1.0) 2) in x 3.636 * [taylor]: Taking taylor expansion of (+ x 1.0) in x 3.636 * [taylor]: Taking taylor expansion of x in x 3.636 * [backup-simplify]: Simplify 0 into 0 3.636 * [backup-simplify]: Simplify 1 into 1 3.636 * [taylor]: Taking taylor expansion of 1.0 in x 3.636 * [backup-simplify]: Simplify 1.0 into 1.0 3.636 * [backup-simplify]: Simplify (+ 0 1.0) into 1.0 3.636 * [taylor]: Taking taylor expansion of (pow (+ x 1.0) 2) in x 3.636 * [taylor]: Taking taylor expansion of (+ x 1.0) in x 3.636 * [taylor]: Taking taylor expansion of x in x 3.636 * [backup-simplify]: Simplify 0 into 0 3.636 * [backup-simplify]: Simplify 1 into 1 3.636 * [taylor]: Taking taylor expansion of 1.0 in x 3.636 * [backup-simplify]: Simplify 1.0 into 1.0 3.637 * [backup-simplify]: Simplify (+ 0 1.0) into 1.0 3.637 * [backup-simplify]: Simplify (* 1.0 1.0) into 1.0 3.637 * [backup-simplify]: Simplify 1.0 into 1.0 3.637 * [backup-simplify]: Simplify (+ 1 0) into 1 3.638 * [backup-simplify]: Simplify (+ (* 1.0 1) (* 1 1.0)) into 2.0 3.638 * [backup-simplify]: Simplify 2.0 into 2.0 3.638 * [backup-simplify]: Simplify (+ 0 0) into 0 3.639 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 1 1) (* 0 1.0))) into 1 3.639 * [backup-simplify]: Simplify 1 into 1 3.639 * [backup-simplify]: Simplify (+ (* 1 (pow x 2)) (+ (* 2.0 x) 1.0)) into (+ (* 2.0 x) (+ (pow x 2) 1.0)) 3.639 * [backup-simplify]: Simplify (* (+ (/ 1 x) 1.0) (+ (/ 1 x) 1.0)) into (pow (+ (/ 1 x) 1.0) 2) 3.639 * [approximate]: Taking taylor expansion of (pow (+ (/ 1 x) 1.0) 2) in (x) around 0 3.639 * [taylor]: Taking taylor expansion of (pow (+ (/ 1 x) 1.0) 2) in x 3.639 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x 3.639 * [taylor]: Taking taylor expansion of (/ 1 x) in x 3.639 * [taylor]: Taking taylor expansion of x in x 3.639 * [backup-simplify]: Simplify 0 into 0 3.639 * [backup-simplify]: Simplify 1 into 1 3.639 * [backup-simplify]: Simplify (/ 1 1) into 1 3.639 * [taylor]: Taking taylor expansion of 1.0 in x 3.639 * [backup-simplify]: Simplify 1.0 into 1.0 3.640 * [backup-simplify]: Simplify (+ 1 0) into 1 3.640 * [taylor]: Taking taylor expansion of (pow (+ (/ 1 x) 1.0) 2) in x 3.640 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x 3.640 * [taylor]: Taking taylor expansion of (/ 1 x) in x 3.640 * [taylor]: Taking taylor expansion of x in x 3.640 * [backup-simplify]: Simplify 0 into 0 3.640 * [backup-simplify]: Simplify 1 into 1 3.640 * [backup-simplify]: Simplify (/ 1 1) into 1 3.640 * [taylor]: Taking taylor expansion of 1.0 in x 3.640 * [backup-simplify]: Simplify 1.0 into 1.0 3.645 * [backup-simplify]: Simplify (+ 1 0) into 1 3.645 * [backup-simplify]: Simplify (* 1 1) into 1 3.645 * [backup-simplify]: Simplify 1 into 1 3.646 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0 3.646 * [backup-simplify]: Simplify (+ 0 1.0) into 1.0 3.647 * [backup-simplify]: Simplify (+ (* 1 1.0) (* 1.0 1)) into 2.0 3.647 * [backup-simplify]: Simplify 2.0 into 2.0 3.647 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0 3.647 * [backup-simplify]: Simplify (+ 0 0) into 0 3.649 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 1.0 1.0) (* 0 1))) into 1.0 3.649 * [backup-simplify]: Simplify 1.0 into 1.0 3.649 * [backup-simplify]: Simplify (+ 1.0 (+ (* 2.0 (/ 1 (/ 1 x))) (* 1 (pow (/ 1 (/ 1 x)) 2)))) into (+ (* 2.0 x) (+ (pow x 2) 1.0)) 3.649 * [backup-simplify]: Simplify (* (+ (/ 1 (- x)) 1.0) (+ (/ 1 (- x)) 1.0)) into (pow (- 1.0 (/ 1 x)) 2) 3.649 * [approximate]: Taking taylor expansion of (pow (- 1.0 (/ 1 x)) 2) in (x) around 0 3.649 * [taylor]: Taking taylor expansion of (pow (- 1.0 (/ 1 x)) 2) in x 3.649 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x 3.649 * [taylor]: Taking taylor expansion of 1.0 in x 3.649 * [backup-simplify]: Simplify 1.0 into 1.0 3.649 * [taylor]: Taking taylor expansion of (/ 1 x) in x 3.649 * [taylor]: Taking taylor expansion of x in x 3.649 * [backup-simplify]: Simplify 0 into 0 3.650 * [backup-simplify]: Simplify 1 into 1 3.650 * [backup-simplify]: Simplify (/ 1 1) into 1 3.650 * [backup-simplify]: Simplify (- 1) into -1 3.650 * [backup-simplify]: Simplify (+ 0 -1) into -1 3.650 * [taylor]: Taking taylor expansion of (pow (- 1.0 (/ 1 x)) 2) in x 3.650 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x 3.650 * [taylor]: Taking taylor expansion of 1.0 in x 3.650 * [backup-simplify]: Simplify 1.0 into 1.0 3.650 * [taylor]: Taking taylor expansion of (/ 1 x) in x 3.650 * [taylor]: Taking taylor expansion of x in x 3.650 * [backup-simplify]: Simplify 0 into 0 3.650 * [backup-simplify]: Simplify 1 into 1 3.651 * [backup-simplify]: Simplify (/ 1 1) into 1 3.651 * [backup-simplify]: Simplify (- 1) into -1 3.651 * [backup-simplify]: Simplify (+ 0 -1) into -1 3.651 * [backup-simplify]: Simplify (* -1 -1) into 1 3.651 * [backup-simplify]: Simplify 1 into 1 3.652 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0 3.652 * [backup-simplify]: Simplify (- 0) into 0 3.652 * [backup-simplify]: Simplify (+ 1.0 0) into 1.0 3.653 * [backup-simplify]: Simplify (+ (* -1 1.0) (* 1.0 -1)) into (- 2.0) 3.653 * [backup-simplify]: Simplify (- 2.0) into (- 2.0) 3.654 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0 3.654 * [backup-simplify]: Simplify (- 0) into 0 3.654 * [backup-simplify]: Simplify (+ 0 0) into 0 3.656 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 1.0 1.0) (* 0 -1))) into 1.0 3.656 * [backup-simplify]: Simplify 1.0 into 1.0 3.656 * [backup-simplify]: Simplify (+ 1.0 (+ (* (- 2.0) (/ 1 (/ 1 (- x)))) (* 1 (pow (/ 1 (/ 1 (- x))) 2)))) into (+ (* 2.0 x) (+ (pow x 2) 1.0)) 3.656 * * * [progress]: simplifying candidates 3.657 * [simplify]: Simplifying: (fma (+ x 1.0) (+ x 1.0) (- (* (cbrt 1.0) (* (cbrt 1.0) (cbrt 1.0))))) (fma (- (cbrt 1.0)) (* (cbrt 1.0) (cbrt 1.0)) (* (cbrt 1.0) (* (cbrt 1.0) (cbrt 1.0)))) (fma (+ x 1.0) (+ x 1.0) (- (* (sqrt 1.0) (sqrt 1.0)))) (fma (- (sqrt 1.0)) (sqrt 1.0) (* (sqrt 1.0) (sqrt 1.0))) (fma (+ x 1.0) (+ x 1.0) (- (* 1.0 1))) (fma (- 1.0) 1 (* 1.0 1)) (expm1 (- (* (+ x 1.0) (+ x 1.0)) 1.0)) (log1p (- (* (+ x 1.0) (+ x 1.0)) 1.0)) (- 1.0) (/ (exp (* (+ x 1.0) (+ x 1.0))) (exp 1.0)) (log (- (* (+ x 1.0) (+ x 1.0)) 1.0)) (exp (- (* (+ x 1.0) (+ x 1.0)) 1.0)) (* (cbrt (- (* (+ x 1.0) (+ x 1.0)) 1.0)) (cbrt (- (* (+ x 1.0) (+ x 1.0)) 1.0))) (cbrt (- (* (+ x 1.0) (+ x 1.0)) 1.0)) (* (* (- (* (+ x 1.0) (+ x 1.0)) 1.0) (- (* (+ x 1.0) (+ x 1.0)) 1.0)) (- (* (+ x 1.0) (+ x 1.0)) 1.0)) (sqrt (- (* (+ x 1.0) (+ x 1.0)) 1.0)) (sqrt (- (* (+ x 1.0) (+ x 1.0)) 1.0)) (- (pow (* (+ x 1.0) (+ x 1.0)) 3) (pow 1.0 3)) (+ (* (* (+ x 1.0) (+ x 1.0)) (* (+ x 1.0) (+ x 1.0))) (+ (* 1.0 1.0) (* (* (+ x 1.0) (+ x 1.0)) 1.0))) (- 1.0) (- (* (* (+ x 1.0) (+ x 1.0)) (* (+ x 1.0) (+ x 1.0))) (* 1.0 1.0)) (+ (* (+ x 1.0) (+ x 1.0)) 1.0) (+ (+ x 1.0) (sqrt 1.0)) (- (+ x 1.0) (sqrt 1.0)) (- (* (+ x 1.0) 1.0) 1.0) (- (* 1.0 (+ x 1.0)) 1.0) (- 1.0) (expm1 (* (+ x 1.0) (+ x 1.0))) (log1p (* (+ x 1.0) (+ x 1.0))) (+ 1 1) (* (+ x 1.0) (+ x 1.0)) (+ 1 1) (+ (log (+ x 1.0)) (log (+ x 1.0))) (log (* (+ x 1.0) (+ x 1.0))) (exp (* (+ x 1.0) (+ x 1.0))) (* (* (* (+ x 1.0) (+ x 1.0)) (+ x 1.0)) (* (* (+ x 1.0) (+ x 1.0)) (+ x 1.0))) (* (cbrt (* (+ x 1.0) (+ x 1.0))) (cbrt (* (+ x 1.0) (+ x 1.0)))) (cbrt (* (+ x 1.0) (+ x 1.0))) (* (* (* (+ x 1.0) (+ x 1.0)) (* (+ x 1.0) (+ x 1.0))) (* (+ x 1.0) (+ x 1.0))) (sqrt (* (+ x 1.0) (+ x 1.0))) (sqrt (* (+ x 1.0) (+ x 1.0))) (* (+ (pow x 3) (pow 1.0 3)) (+ (pow x 3) (pow 1.0 3))) (* (+ (* x x) (- (* 1.0 1.0) (* x 1.0))) (+ (* x x) (- (* 1.0 1.0) (* x 1.0)))) (* (+ (pow x 3) (pow 1.0 3)) (- (* x x) (* 1.0 1.0))) (* (+ (* x x) (- (* 1.0 1.0) (* x 1.0))) (- x 1.0)) (* (- (* x x) (* 1.0 1.0)) (+ (pow x 3) (pow 1.0 3))) (* (- x 1.0) (+ (* x x) (- (* 1.0 1.0) (* x 1.0)))) (* (- (* x x) (* 1.0 1.0)) (- (* x x) (* 1.0 1.0))) (* (- x 1.0) (- x 1.0)) (* (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))) (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0)))) (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))) (* (sqrt (+ x 1.0)) (sqrt (+ x 1.0))) (* (sqrt (+ x 1.0)) (sqrt (+ x 1.0))) (* 1 1) (* (+ x 1.0) (+ x 1.0)) (* 1 1) (* (+ x 1.0) (+ x 1.0)) (* 1 1) (* (+ x 1.0) (+ x 1.0)) (* 1 1) (* (+ x 1.0) (+ x 1.0)) (* (sqrt (+ x 1.0)) (sqrt (+ x 1.0))) (* (sqrt (+ x 1.0)) (sqrt (+ x 1.0))) (* 2 1) (* (+ x 1.0) x) (* (+ x 1.0) 1.0) (* x (+ x 1.0)) (* 1.0 (+ x 1.0)) (* (+ x 1.0) (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0)))) (* (+ x 1.0) (sqrt (+ x 1.0))) (* (+ x 1.0) 1) (* (+ x 1.0) 1) (* (cbrt (+ x 1.0)) (+ x 1.0)) (* (sqrt (+ x 1.0)) (+ x 1.0)) (* (+ x 1.0) (+ x 1.0)) (* (+ x 1.0) (+ x 1.0)) (* (+ x 1.0) (+ (pow x 3) (pow 1.0 3))) (* (+ x 1.0) (- (* x x) (* 1.0 1.0))) (* (+ (pow x 3) (pow 1.0 3)) (+ x 1.0)) (* (- (* x x) (* 1.0 1.0)) (+ x 1.0)) (+ (* 2.0 x) (pow x 2)) (+ (* 2.0 x) (pow x 2)) (+ (* 2.0 x) (pow x 2)) (+ (* 2.0 x) (+ (pow x 2) 1.0)) (+ (* 2.0 x) (+ (pow x 2) 1.0)) (+ (* 2.0 x) (+ (pow x 2) 1.0)) 3.658 * * [simplify]: iteration 0: 106 enodes 3.687 * * [simplify]: iteration 1: 336 enodes 3.825 * * [simplify]: iteration 2: 1118 enodes 4.304 * * [simplify]: iteration complete: 5003 enodes 4.304 * * [simplify]: Extracting #0: cost 47 inf + 0 4.306 * * [simplify]: Extracting #1: cost 612 inf + 2 4.311 * * [simplify]: Extracting #2: cost 1646 inf + 2082 4.330 * * [simplify]: Extracting #3: cost 1001 inf + 115055 4.380 * * [simplify]: Extracting #4: cost 154 inf + 279189 4.436 * * [simplify]: Extracting #5: cost 11 inf + 316749 4.494 * * [simplify]: Extracting #6: cost 0 inf + 319758 4.551 * [simplify]: Simplified to: (- (* (+ x 1.0) (+ x 1.0)) 1.0) (fma 1.0 -1 1.0) (- (* (+ x 1.0) (+ x 1.0)) 1.0) (fma 1.0 -1 1.0) (- (* (+ x 1.0) (+ x 1.0)) 1.0) (fma 1.0 -1 1.0) (expm1 (- (* (+ x 1.0) (+ x 1.0)) 1.0)) (log1p (- (* (+ x 1.0) (+ x 1.0)) 1.0)) (- 1.0) (exp (- (* (+ x 1.0) (+ x 1.0)) 1.0)) (log (- (* (+ x 1.0) (+ x 1.0)) 1.0)) (exp (- (* (+ x 1.0) (+ x 1.0)) 1.0)) (* (cbrt (- (* (+ x 1.0) (+ x 1.0)) 1.0)) (cbrt (- (* (+ x 1.0) (+ x 1.0)) 1.0))) (cbrt (- (* (+ x 1.0) (+ x 1.0)) 1.0)) (* (* (- (* (+ x 1.0) (+ x 1.0)) 1.0) (- (* (+ x 1.0) (+ x 1.0)) 1.0)) (- (* (+ x 1.0) (+ x 1.0)) 1.0)) (sqrt (- (* (+ x 1.0) (+ x 1.0)) 1.0)) (sqrt (- (* (+ x 1.0) (+ x 1.0)) 1.0)) (- (* (* (* (+ x 1.0) (+ x 1.0)) (* (+ x 1.0) (+ x 1.0))) (* (+ x 1.0) (+ x 1.0))) (* 1.0 (* 1.0 1.0))) (fma 1.0 (* (+ x 1.0) (+ x 1.0)) (fma (* (+ x 1.0) (+ x 1.0)) (* (+ x 1.0) (+ x 1.0)) (* 1.0 1.0))) (- 1.0) (- (* (* (+ x 1.0) (+ x 1.0)) (* (+ x 1.0) (+ x 1.0))) (* 1.0 1.0)) (fma (+ x 1.0) (+ x 1.0) 1.0) (+ x (+ 1.0 (sqrt 1.0))) (+ (- 1.0 (sqrt 1.0)) x) (- (* 1.0 (+ x 1.0)) 1.0) (- (* 1.0 (+ x 1.0)) 1.0) (- 1.0) (expm1 (* (+ x 1.0) (+ x 1.0))) (log1p (* (+ x 1.0) (+ x 1.0))) 2 (* (+ x 1.0) (+ x 1.0)) 2 (log (* (+ x 1.0) (+ x 1.0))) (log (* (+ x 1.0) (+ x 1.0))) (exp (* (+ x 1.0) (+ x 1.0))) (* (* (* (+ x 1.0) (+ x 1.0)) (* (+ x 1.0) (+ x 1.0))) (* (+ x 1.0) (+ x 1.0))) (* (cbrt (* (+ x 1.0) (+ x 1.0))) (cbrt (* (+ x 1.0) (+ x 1.0)))) (cbrt (* (+ x 1.0) (+ x 1.0))) (* (* (* (+ x 1.0) (+ x 1.0)) (* (+ x 1.0) (+ x 1.0))) (* (+ x 1.0) (+ x 1.0))) (fabs (+ x 1.0)) (fabs (+ x 1.0)) (* (fma (* 1.0 1.0) 1.0 (* (* x x) x)) (fma (* 1.0 1.0) 1.0 (* (* x x) x))) (* (fma 1.0 (- 1.0 x) (* x x)) (fma 1.0 (- 1.0 x) (* x x))) (* (- (* x x) (* 1.0 1.0)) (fma (* 1.0 1.0) 1.0 (* (* x x) x))) (* (- x 1.0) (fma 1.0 (- 1.0 x) (* x x))) (* (- (* x x) (* 1.0 1.0)) (fma (* 1.0 1.0) 1.0 (* (* x x) x))) (* (- x 1.0) (fma 1.0 (- 1.0 x) (* x x))) (* (- (* x x) (* 1.0 1.0)) (- (* x x) (* 1.0 1.0))) (* (- x 1.0) (- x 1.0)) (* (cbrt (+ x 1.0)) (+ x 1.0)) (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))) (+ x 1.0) (+ x 1.0) 1 (* (+ x 1.0) (+ x 1.0)) 1 (* (+ x 1.0) (+ x 1.0)) 1 (* (+ x 1.0) (+ x 1.0)) 1 (* (+ x 1.0) (+ x 1.0)) (+ x 1.0) (+ x 1.0) 2 (* x (+ x 1.0)) (* 1.0 (+ x 1.0)) (* x (+ x 1.0)) (* 1.0 (+ x 1.0)) (* (+ x 1.0) (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0)))) (* (sqrt (+ x 1.0)) (+ x 1.0)) (+ x 1.0) (+ x 1.0) (* (cbrt (+ x 1.0)) (+ x 1.0)) (* (sqrt (+ x 1.0)) (+ x 1.0)) (* (+ x 1.0) (+ x 1.0)) (* (+ x 1.0) (+ x 1.0)) (* (fma (* 1.0 1.0) 1.0 (* (* x x) x)) (+ x 1.0)) (* (* (+ x 1.0) (+ x 1.0)) (- x 1.0)) (* (fma (* 1.0 1.0) 1.0 (* (* x x) x)) (+ x 1.0)) (* (* (+ x 1.0) (+ x 1.0)) (- x 1.0)) (fma x x (* 2.0 x)) (fma x x (* 2.0 x)) (fma x x (* 2.0 x)) (fma x 2.0 (fma x x 1.0)) (fma x 2.0 (fma x x 1.0)) (fma x 2.0 (fma x x 1.0)) 4.554 * * * [progress]: adding candidates to table 4.688 * * [progress]: iteration 2 / 4 4.688 * * * [progress]: picking best candidate 4.691 * * * * [pick]: Picked # 4.691 * * * [progress]: localizing error 4.695 * * * [progress]: generating rewritten candidates 4.695 * * * [progress]: generating series expansions 4.695 * * * [progress]: simplifying candidates 4.695 * [simplify]: Simplifying: 4.695 * * [simplify]: iteration 0: 0 enodes 4.695 * * [simplify]: iteration complete: 0 enodes 4.695 * * [simplify]: Extracting #0: cost 0 inf + 0 4.695 * [simplify]: Simplified to: 4.695 * * * [progress]: adding candidates to table 4.696 * [progress]: [Phase 3 of 3] Extracting. 4.699 * [simplify]: Simplifying: (fma x x (* 2.0 x)) 4.699 * * [simplify]: iteration 0: 4 enodes 4.699 * * [simplify]: iteration 1: 5 enodes 4.699 * * [simplify]: iteration complete: 5 enodes 4.699 * * [simplify]: Extracting #0: cost 1 inf + 0 4.699 * * [simplify]: Extracting #1: cost 3 inf + 0 4.699 * * [simplify]: Extracting #2: cost 3 inf + 1 4.699 * * [simplify]: Extracting #3: cost 0 inf + 141 4.699 * [simplify]: Simplified to: (fma x x (* x 2.0)) 5.605 * [regime-testing]: Baseline error score: 0 5.613 * [regime-testing]: Oracle error score: 0 5.613 * [regime-testing]: End program error score: 0