59.937 * [progress]: [Phase 1 of 3] Setting up.
0.002 * * * [progress]: [1/2] Preparing points
0.083 * * * [progress]: [2/2] Setting up program.
0.088 * [progress]: [Phase 2 of 3] Improving.
0.089 * [simplify]: Simplifying:
  (* x (- 1.0 (* x 0.5)))
0.089 * * [simplify]: iteration 0: 6 enodes
0.091 * * [simplify]: iteration 1: 10 enodes
0.107 * * [simplify]: iteration 2: 23 enodes
0.120 * * [simplify]: iteration 3: 44 enodes
0.140 * * [simplify]: iteration 4: 58 enodes
0.162 * * [simplify]: iteration complete: 58 enodes
0.162 * * [simplify]: Extracting #0: cost 1 inf + 0
0.162 * * [simplify]: Extracting #1: cost 14 inf + 0
0.162 * * [simplify]: Extracting #2: cost 11 inf + 3
0.163 * * [simplify]: Extracting #3: cost 4 inf + 510
0.163 * * [simplify]: Extracting #4: cost 0 inf + 783
0.164 * [simplify]: Simplified to:
  (* (- 1.0 (* x 0.5)) x)
0.170 * * [progress]: iteration 1 / 4
0.170 * * * [progress]: picking best candidate
0.177 * * * * [pick]: Picked  #<alt (λ (x) (* x (- 1.0 (* x 0.5))))>
0.178 * * * [progress]: localizing error
0.193 * * * [progress]: generating rewritten candidates
0.193 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.253 * * * [progress]: generating series expansions
0.253 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.253 * [backup-simplify]: Simplify (* x (- 1.0 (* x 0.5))) into (* x (- 1.0 (* 0.5 x)))
0.253 * [approximate]: Taking taylor expansion of (* x (- 1.0 (* 0.5 x))) in (x) around 0
0.254 * [taylor]: Taking taylor expansion of (* x (- 1.0 (* 0.5 x))) in x
0.254 * [taylor]: Taking taylor expansion of x in x
0.254 * [backup-simplify]: Simplify 0 into 0
0.254 * [backup-simplify]: Simplify 1 into 1
0.254 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 x)) in x
0.254 * [taylor]: Taking taylor expansion of 1.0 in x
0.254 * [backup-simplify]: Simplify 1.0 into 1.0
0.254 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.254 * [taylor]: Taking taylor expansion of 0.5 in x
0.254 * [backup-simplify]: Simplify 0.5 into 0.5
0.254 * [taylor]: Taking taylor expansion of x in x
0.254 * [backup-simplify]: Simplify 0 into 0
0.254 * [backup-simplify]: Simplify 1 into 1
0.254 * [taylor]: Taking taylor expansion of (* x (- 1.0 (* 0.5 x))) in x
0.254 * [taylor]: Taking taylor expansion of x in x
0.254 * [backup-simplify]: Simplify 0 into 0
0.254 * [backup-simplify]: Simplify 1 into 1
0.254 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 x)) in x
0.254 * [taylor]: Taking taylor expansion of 1.0 in x
0.254 * [backup-simplify]: Simplify 1.0 into 1.0
0.254 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.254 * [taylor]: Taking taylor expansion of 0.5 in x
0.254 * [backup-simplify]: Simplify 0.5 into 0.5
0.254 * [taylor]: Taking taylor expansion of x in x
0.254 * [backup-simplify]: Simplify 0 into 0
0.254 * [backup-simplify]: Simplify 1 into 1
0.269 * [backup-simplify]: Simplify (* 0.5 0) into 0
0.270 * [backup-simplify]: Simplify (- 0) into 0
0.270 * [backup-simplify]: Simplify (+ 1.0 0) into 1.0
0.270 * [backup-simplify]: Simplify (* 0 1.0) into 0
0.271 * [backup-simplify]: Simplify 0 into 0
0.272 * [backup-simplify]: Simplify (+ (* 0.5 1) (* 0 0)) into 0.5
0.277 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
0.278 * [backup-simplify]: Simplify (+ 0 (- 0.5)) into (- 0.5)
0.280 * [backup-simplify]: Simplify (+ (* 0 (- 0.5)) (* 1 1.0)) into 1.0
0.280 * [backup-simplify]: Simplify 1.0 into 1.0
0.452 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 1) (* 0 0))) into 0
0.471 * [backup-simplify]: Simplify (- 0) into 0
0.471 * [backup-simplify]: Simplify (+ 0 0) into 0
0.476 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 (- 0.5)) (* 0 1.0))) into (- 0.5)
0.476 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
0.479 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
0.479 * [backup-simplify]: Simplify (- 0) into 0
0.480 * [backup-simplify]: Simplify (+ 0 0) into 0
0.481 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 (- 0.5)) (* 0 1.0)))) into 0
0.481 * [backup-simplify]: Simplify 0 into 0
0.482 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))) into 0
0.482 * [backup-simplify]: Simplify (- 0) into 0
0.483 * [backup-simplify]: Simplify (+ 0 0) into 0
0.484 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 (- 0.5)) (* 0 1.0))))) into 0
0.484 * [backup-simplify]: Simplify 0 into 0
0.486 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))))) into 0
0.486 * [backup-simplify]: Simplify (- 0) into 0
0.487 * [backup-simplify]: Simplify (+ 0 0) into 0
0.488 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (- 0.5)) (* 0 1.0)))))) into 0
0.488 * [backup-simplify]: Simplify 0 into 0
0.490 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))))) into 0
0.491 * [backup-simplify]: Simplify (- 0) into 0
0.491 * [backup-simplify]: Simplify (+ 0 0) into 0
0.494 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (- 0.5)) (* 0 1.0))))))) into 0
0.494 * [backup-simplify]: Simplify 0 into 0
0.496 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))))))) into 0
0.497 * [backup-simplify]: Simplify (- 0) into 0
0.498 * [backup-simplify]: Simplify (+ 0 0) into 0
0.503 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (- 0.5)) (* 0 1.0)))))))) into 0
0.503 * [backup-simplify]: Simplify 0 into 0
0.508 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))))))) into 0
0.509 * [backup-simplify]: Simplify (- 0) into 0
0.509 * [backup-simplify]: Simplify (+ 0 0) into 0
0.513 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (- 0.5)) (* 0 1.0))))))))) into 0
0.513 * [backup-simplify]: Simplify 0 into 0
0.514 * [backup-simplify]: Simplify (+ (* (- 0.5) (pow x 2)) (* 1.0 x)) into (- (* 1.0 x) (* 0.5 (pow x 2)))
0.514 * [backup-simplify]: Simplify (* (/ 1 x) (- 1.0 (* (/ 1 x) 0.5))) into (/ (- 1.0 (* 0.5 (/ 1 x))) x)
0.514 * [approximate]: Taking taylor expansion of (/ (- 1.0 (* 0.5 (/ 1 x))) x) in (x) around 0
0.514 * [taylor]: Taking taylor expansion of (/ (- 1.0 (* 0.5 (/ 1 x))) x) in x
0.514 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 (/ 1 x))) in x
0.514 * [taylor]: Taking taylor expansion of 1.0 in x
0.514 * [backup-simplify]: Simplify 1.0 into 1.0
0.514 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.514 * [taylor]: Taking taylor expansion of 0.5 in x
0.514 * [backup-simplify]: Simplify 0.5 into 0.5
0.515 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.515 * [taylor]: Taking taylor expansion of x in x
0.515 * [backup-simplify]: Simplify 0 into 0
0.515 * [backup-simplify]: Simplify 1 into 1
0.515 * [backup-simplify]: Simplify (/ 1 1) into 1
0.515 * [taylor]: Taking taylor expansion of x in x
0.515 * [backup-simplify]: Simplify 0 into 0
0.515 * [backup-simplify]: Simplify 1 into 1
0.516 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
0.516 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
0.517 * [backup-simplify]: Simplify (+ 0 (- 0.5)) into (- 0.5)
0.518 * [backup-simplify]: Simplify (/ (- 0.5) 1) into -0.5
0.518 * [taylor]: Taking taylor expansion of (/ (- 1.0 (* 0.5 (/ 1 x))) x) in x
0.518 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 (/ 1 x))) in x
0.518 * [taylor]: Taking taylor expansion of 1.0 in x
0.518 * [backup-simplify]: Simplify 1.0 into 1.0
0.518 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.518 * [taylor]: Taking taylor expansion of 0.5 in x
0.518 * [backup-simplify]: Simplify 0.5 into 0.5
0.519 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.519 * [taylor]: Taking taylor expansion of x in x
0.519 * [backup-simplify]: Simplify 0 into 0
0.519 * [backup-simplify]: Simplify 1 into 1
0.519 * [backup-simplify]: Simplify (/ 1 1) into 1
0.519 * [taylor]: Taking taylor expansion of x in x
0.519 * [backup-simplify]: Simplify 0 into 0
0.519 * [backup-simplify]: Simplify 1 into 1
0.519 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
0.520 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
0.521 * [backup-simplify]: Simplify (+ 0 (- 0.5)) into (- 0.5)
0.522 * [backup-simplify]: Simplify (/ (- 0.5) 1) into -0.5
0.522 * [backup-simplify]: Simplify -0.5 into -0.5
0.523 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.523 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
0.524 * [backup-simplify]: Simplify (- 0) into 0
0.524 * [backup-simplify]: Simplify (+ 1.0 0) into 1.0
0.527 * [backup-simplify]: Simplify (- (/ 1.0 1) (+ (* -0.5 (/ 0 1)))) into 1.0
0.527 * [backup-simplify]: Simplify 1.0 into 1.0
0.529 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.530 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
0.531 * [backup-simplify]: Simplify (- 0) into 0
0.531 * [backup-simplify]: Simplify (+ 0 0) into 0
0.534 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -0.5 (/ 0 1)) (* 1.0 (/ 0 1)))) into 0
0.535 * [backup-simplify]: Simplify 0 into 0
0.537 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.538 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.538 * [backup-simplify]: Simplify (- 0) into 0
0.538 * [backup-simplify]: Simplify (+ 0 0) into 0
0.540 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.540 * [backup-simplify]: Simplify 0 into 0
0.541 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.550 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.550 * [backup-simplify]: Simplify (- 0) into 0
0.551 * [backup-simplify]: Simplify (+ 0 0) into 0
0.552 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.552 * [backup-simplify]: Simplify 0 into 0
0.553 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.554 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
0.555 * [backup-simplify]: Simplify (- 0) into 0
0.555 * [backup-simplify]: Simplify (+ 0 0) into 0
0.556 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.556 * [backup-simplify]: Simplify 0 into 0
0.557 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.559 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
0.559 * [backup-simplify]: Simplify (- 0) into 0
0.559 * [backup-simplify]: Simplify (+ 0 0) into 0
0.561 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.561 * [backup-simplify]: Simplify 0 into 0
0.562 * [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
0.563 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0
0.565 * [backup-simplify]: Simplify (- 0) into 0
0.565 * [backup-simplify]: Simplify (+ 0 0) into 0
0.570 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.570 * [backup-simplify]: Simplify 0 into 0
0.571 * [backup-simplify]: Simplify (+ (* 1.0 (/ 1 (/ 1 x))) (* -0.5 (pow (/ 1 (/ 1 x)) 2))) into (- (* 1.0 x) (* 0.5 (pow x 2)))
0.571 * [backup-simplify]: Simplify (* (/ 1 (- x)) (- 1.0 (* (/ 1 (- x)) 0.5))) into (* -1 (/ (+ (* 0.5 (/ 1 x)) 1.0) x))
0.571 * [approximate]: Taking taylor expansion of (* -1 (/ (+ (* 0.5 (/ 1 x)) 1.0) x)) in (x) around 0
0.571 * [taylor]: Taking taylor expansion of (* -1 (/ (+ (* 0.5 (/ 1 x)) 1.0) x)) in x
0.571 * [taylor]: Taking taylor expansion of -1 in x
0.571 * [backup-simplify]: Simplify -1 into -1
0.571 * [taylor]: Taking taylor expansion of (/ (+ (* 0.5 (/ 1 x)) 1.0) x) in x
0.571 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) 1.0) in x
0.571 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.571 * [taylor]: Taking taylor expansion of 0.5 in x
0.571 * [backup-simplify]: Simplify 0.5 into 0.5
0.571 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.571 * [taylor]: Taking taylor expansion of x in x
0.571 * [backup-simplify]: Simplify 0 into 0
0.571 * [backup-simplify]: Simplify 1 into 1
0.572 * [backup-simplify]: Simplify (/ 1 1) into 1
0.572 * [taylor]: Taking taylor expansion of 1.0 in x
0.572 * [backup-simplify]: Simplify 1.0 into 1.0
0.572 * [taylor]: Taking taylor expansion of x in x
0.572 * [backup-simplify]: Simplify 0 into 0
0.572 * [backup-simplify]: Simplify 1 into 1
0.573 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
0.573 * [backup-simplify]: Simplify (+ 0.5 0) into 0.5
0.574 * [backup-simplify]: Simplify (/ 0.5 1) into 0.5
0.574 * [taylor]: Taking taylor expansion of (* -1 (/ (+ (* 0.5 (/ 1 x)) 1.0) x)) in x
0.574 * [taylor]: Taking taylor expansion of -1 in x
0.574 * [backup-simplify]: Simplify -1 into -1
0.574 * [taylor]: Taking taylor expansion of (/ (+ (* 0.5 (/ 1 x)) 1.0) x) in x
0.574 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) 1.0) in x
0.574 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.574 * [taylor]: Taking taylor expansion of 0.5 in x
0.574 * [backup-simplify]: Simplify 0.5 into 0.5
0.574 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.574 * [taylor]: Taking taylor expansion of x in x
0.574 * [backup-simplify]: Simplify 0 into 0
0.574 * [backup-simplify]: Simplify 1 into 1
0.574 * [backup-simplify]: Simplify (/ 1 1) into 1
0.574 * [taylor]: Taking taylor expansion of 1.0 in x
0.574 * [backup-simplify]: Simplify 1.0 into 1.0
0.574 * [taylor]: Taking taylor expansion of x in x
0.574 * [backup-simplify]: Simplify 0 into 0
0.574 * [backup-simplify]: Simplify 1 into 1
0.576 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
0.581 * [backup-simplify]: Simplify (+ 0.5 0) into 0.5
0.582 * [backup-simplify]: Simplify (/ 0.5 1) into 0.5
0.582 * [backup-simplify]: Simplify (* -1 0.5) into -0.5
0.582 * [backup-simplify]: Simplify -0.5 into -0.5
0.583 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.589 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
0.589 * [backup-simplify]: Simplify (+ 0 1.0) into 1.0
0.595 * [backup-simplify]: Simplify (- (/ 1.0 1) (+ (* 0.5 (/ 0 1)))) into 1.0
0.597 * [backup-simplify]: Simplify (+ (* -1 1.0) (* 0 0.5)) into (- 1.0)
0.597 * [backup-simplify]: Simplify (- 1.0) into (- 1.0)
0.598 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.599 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
0.600 * [backup-simplify]: Simplify (+ 0 0) into 0
0.607 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)) (* 1.0 (/ 0 1)))) into 0
0.608 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 1.0) (* 0 0.5))) into 0
0.608 * [backup-simplify]: Simplify 0 into 0
0.609 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.612 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.613 * [backup-simplify]: Simplify (+ 0 0) into 0
0.615 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.617 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 1.0) (* 0 0.5)))) into 0
0.617 * [backup-simplify]: Simplify 0 into 0
0.618 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.619 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.620 * [backup-simplify]: Simplify (+ 0 0) into 0
0.625 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.627 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1.0) (* 0 0.5))))) into 0
0.627 * [backup-simplify]: Simplify 0 into 0
0.628 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.630 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
0.632 * [backup-simplify]: Simplify (+ 0 0) into 0
0.633 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.635 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1.0) (* 0 0.5)))))) into 0
0.635 * [backup-simplify]: Simplify 0 into 0
0.636 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.637 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
0.638 * [backup-simplify]: Simplify (+ 0 0) into 0
0.639 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.645 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1.0) (* 0 0.5))))))) into 0
0.645 * [backup-simplify]: Simplify 0 into 0
0.647 * [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
0.648 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0
0.650 * [backup-simplify]: Simplify (+ 0 0) into 0
0.652 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.654 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1.0) (* 0 0.5)))))))) into 0
0.655 * [backup-simplify]: Simplify 0 into 0
0.655 * [backup-simplify]: Simplify (+ (* (- 1.0) (/ 1 (/ 1 (- x)))) (* -0.5 (pow (/ 1 (/ 1 (- x))) 2))) into (- (* 1.0 x) (* 0.5 (pow x 2)))
0.657 * * * [progress]: simplifying candidates
0.680 * [simplify]: Simplifying:
  (expm1 (* x (- 1.0 (* x 0.5))))
  (log1p (* x (- 1.0 (* x 0.5))))
  (* x (- 1.0 (* x 0.5)))
  (+ (log x) (log (- 1.0 (* x 0.5))))
  (log (* x (- 1.0 (* x 0.5))))
  (exp (* x (- 1.0 (* x 0.5))))
  (* (* (* x x) x) (* (* (- 1.0 (* x 0.5)) (- 1.0 (* x 0.5))) (- 1.0 (* x 0.5))))
  (* (cbrt (* x (- 1.0 (* x 0.5)))) (cbrt (* x (- 1.0 (* x 0.5)))))
  (cbrt (* x (- 1.0 (* x 0.5))))
  (* (* (* x (- 1.0 (* x 0.5))) (* x (- 1.0 (* x 0.5)))) (* x (- 1.0 (* x 0.5))))
  (sqrt (* x (- 1.0 (* x 0.5))))
  (sqrt (* x (- 1.0 (* x 0.5))))
  (* (sqrt x) (sqrt (- 1.0 (* x 0.5))))
  (* (sqrt x) (sqrt (- 1.0 (* x 0.5))))
  (* x (fma (* (cbrt 1.0) (cbrt 1.0)) (cbrt 1.0) (- (* 0.5 x))))
  (* x (fma (- 0.5) x (* 0.5 x)))
  (* x (fma (sqrt 1.0) (sqrt 1.0) (- (* 0.5 x))))
  (* x (fma (- 0.5) x (* 0.5 x)))
  (* x (fma 1 1.0 (- (* 0.5 x))))
  (* x (fma (- 0.5) x (* 0.5 x)))
  (* x 1.0)
  (* x (- (* x 0.5)))
  (* x 1.0)
  (* x (- (* x 0.5)))
  (* (fma (* (cbrt 1.0) (cbrt 1.0)) (cbrt 1.0) (- (* 0.5 x))) x)
  (* (fma (- 0.5) x (* 0.5 x)) x)
  (* (fma (sqrt 1.0) (sqrt 1.0) (- (* 0.5 x))) x)
  (* (fma (- 0.5) x (* 0.5 x)) x)
  (* (fma 1 1.0 (- (* 0.5 x))) x)
  (* (fma (- 0.5) x (* 0.5 x)) x)
  (* 1.0 x)
  (* (- (* x 0.5)) x)
  (* 1.0 x)
  (* (- (* x 0.5)) x)
  (* x (* (cbrt (- 1.0 (* x 0.5))) (cbrt (- 1.0 (* x 0.5)))))
  (* x (sqrt (- 1.0 (* x 0.5))))
  (* x 1)
  (* (cbrt x) (- 1.0 (* x 0.5)))
  (* (sqrt x) (- 1.0 (* x 0.5)))
  (* x (- 1.0 (* x 0.5)))
  (* x (- (pow 1.0 3) (pow (* x 0.5) 3)))
  (* x (- (* 1.0 1.0) (* (* x 0.5) (* x 0.5))))
  (- (* 1.0 x) (* 0.5 (pow x 2)))
  (- (* 1.0 x) (* 0.5 (pow x 2)))
  (- (* 1.0 x) (* 0.5 (pow x 2)))
0.681 * * [simplify]: iteration 0: 71 enodes
0.836 * * [simplify]: iteration 1: 164 enodes
0.948 * * [simplify]: iteration 2: 489 enodes
3.072 * * [simplify]: iteration 3: 2355 enodes
11.248 * * [simplify]: iteration complete: 5000 enodes
11.249 * * [simplify]: Extracting #0: cost 21 inf + 0
11.252 * * [simplify]: Extracting #1: cost 354 inf + 1
11.351 * * [simplify]: Extracting #2: cost 1002 inf + 6313
11.416 * * [simplify]: Extracting #3: cost 776 inf + 60406
11.536 * * [simplify]: Extracting #4: cost 144 inf + 181212
11.707 * * [simplify]: Extracting #5: cost 47 inf + 206910
11.909 * * [simplify]: Extracting #6: cost 10 inf + 215273
12.181 * * [simplify]: Extracting #7: cost 0 inf + 217967
12.452 * [simplify]: Simplified to:
  (expm1 (* (- 1.0 (* x 0.5)) x))
  (log1p (* (- 1.0 (* x 0.5)) x))
  (* (- 1.0 (* x 0.5)) x)
  (log (* (- 1.0 (* x 0.5)) x))
  (log (* (- 1.0 (* x 0.5)) x))
  (exp (* (- 1.0 (* x 0.5)) x))
  (* (* (- 1.0 (* x 0.5)) x) (* (* (- 1.0 (* x 0.5)) x) (* (- 1.0 (* x 0.5)) x)))
  (* (cbrt (* (- 1.0 (* x 0.5)) x)) (cbrt (* (- 1.0 (* x 0.5)) x)))
  (cbrt (* (- 1.0 (* x 0.5)) x))
  (* (* (- 1.0 (* x 0.5)) x) (* (* (- 1.0 (* x 0.5)) x) (* (- 1.0 (* x 0.5)) x)))
  (sqrt (* (- 1.0 (* x 0.5)) x))
  (sqrt (* (- 1.0 (* x 0.5)) x))
  (* (sqrt (- 1.0 (* x 0.5))) (sqrt x))
  (* (sqrt (- 1.0 (* x 0.5))) (sqrt x))
  (* (- 1.0 (* x 0.5)) x)
  (* 0 x)
  (* (- 1.0 (* x 0.5)) x)
  (* 0 x)
  (* (- 1.0 (* x 0.5)) x)
  (* 0 x)
  (* 1.0 x)
  (* (- x) (* x 0.5))
  (* 1.0 x)
  (* (- x) (* x 0.5))
  (* (- 1.0 (* x 0.5)) x)
  (* 0 x)
  (* (- 1.0 (* x 0.5)) x)
  (* 0 x)
  (* (- 1.0 (* x 0.5)) x)
  (* 0 x)
  (* 1.0 x)
  (* (- x) (* x 0.5))
  (* 1.0 x)
  (* (- x) (* x 0.5))
  (* (* (cbrt (- 1.0 (* x 0.5))) (cbrt (- 1.0 (* x 0.5)))) x)
  (* (sqrt (- 1.0 (* x 0.5))) x)
  x
  (* (cbrt x) (- 1.0 (* x 0.5)))
  (* (- 1.0 (* x 0.5)) (sqrt x))
  (* (- 1.0 (* x 0.5)) x)
  (* x (- (* (* 1.0 1.0) 1.0) (* (* (* x 0.5) (* x 0.5)) (* x 0.5))))
  (* (- (* 1.0 1.0) (* (* x 0.5) (* x 0.5))) x)
  (* (- 1.0 (* x 0.5)) x)
  (* (- 1.0 (* x 0.5)) x)
  (* (- 1.0 (* x 0.5)) x)
12.493 * * * [progress]: adding candidates to table
12.925 * * [progress]: iteration 2 / 4
12.925 * * * [progress]: picking best candidate
12.930 * * * * [pick]: Picked  #<alt (λ (x) (+ (* 1.0 x) (* (- (* x 0.5)) x)))>
12.931 * * * [progress]: localizing error
12.951 * * * [progress]: generating rewritten candidates
12.951 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
12.964 * * * [progress]: generating series expansions
12.964 * * * * [progress]: [ 1 / 1 ] generating series at (2)
12.964 * [backup-simplify]: Simplify (+ (* 1.0 x) (* (- (* x 0.5)) x)) into (- (* 1.0 x) (* 0.5 (pow x 2)))
12.964 * [approximate]: Taking taylor expansion of (- (* 1.0 x) (* 0.5 (pow x 2))) in (x) around 0
12.964 * [taylor]: Taking taylor expansion of (- (* 1.0 x) (* 0.5 (pow x 2))) in x
12.964 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
12.964 * [taylor]: Taking taylor expansion of 1.0 in x
12.964 * [backup-simplify]: Simplify 1.0 into 1.0
12.964 * [taylor]: Taking taylor expansion of x in x
12.964 * [backup-simplify]: Simplify 0 into 0
12.964 * [backup-simplify]: Simplify 1 into 1
12.964 * [taylor]: Taking taylor expansion of (* 0.5 (pow x 2)) in x
12.964 * [taylor]: Taking taylor expansion of 0.5 in x
12.964 * [backup-simplify]: Simplify 0.5 into 0.5
12.964 * [taylor]: Taking taylor expansion of (pow x 2) in x
12.964 * [taylor]: Taking taylor expansion of x in x
12.964 * [backup-simplify]: Simplify 0 into 0
12.965 * [backup-simplify]: Simplify 1 into 1
12.965 * [taylor]: Taking taylor expansion of (- (* 1.0 x) (* 0.5 (pow x 2))) in x
12.965 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
12.965 * [taylor]: Taking taylor expansion of 1.0 in x
12.965 * [backup-simplify]: Simplify 1.0 into 1.0
12.965 * [taylor]: Taking taylor expansion of x in x
12.965 * [backup-simplify]: Simplify 0 into 0
12.965 * [backup-simplify]: Simplify 1 into 1
12.965 * [taylor]: Taking taylor expansion of (* 0.5 (pow x 2)) in x
12.965 * [taylor]: Taking taylor expansion of 0.5 in x
12.965 * [backup-simplify]: Simplify 0.5 into 0.5
12.965 * [taylor]: Taking taylor expansion of (pow x 2) in x
12.965 * [taylor]: Taking taylor expansion of x in x
12.965 * [backup-simplify]: Simplify 0 into 0
12.965 * [backup-simplify]: Simplify 1 into 1
12.965 * [backup-simplify]: Simplify (* 1.0 0) into 0
12.966 * [backup-simplify]: Simplify (+ 0 0) into 0
12.966 * [backup-simplify]: Simplify 0 into 0
12.967 * [backup-simplify]: Simplify (+ (* 1.0 1) (* 0 0)) into 1.0
12.967 * [backup-simplify]: Simplify (+ 1.0 0) into 1.0
12.967 * [backup-simplify]: Simplify 1.0 into 1.0
12.967 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 1) (* 0 0))) into 0
12.968 * [backup-simplify]: Simplify (* 1 1) into 1
12.968 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
12.968 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
12.969 * [backup-simplify]: Simplify (+ 0 (- 0.5)) into (- 0.5)
12.969 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
12.970 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
12.971 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
12.972 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
12.972 * [backup-simplify]: Simplify (- 0) into 0
12.972 * [backup-simplify]: Simplify (+ 0 0) into 0
12.972 * [backup-simplify]: Simplify 0 into 0
12.974 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))) into 0
12.974 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
12.975 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
12.976 * [backup-simplify]: Simplify (- 0) into 0
12.976 * [backup-simplify]: Simplify (+ 0 0) into 0
12.976 * [backup-simplify]: Simplify 0 into 0
12.978 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))))) into 0
12.979 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
12.980 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
12.980 * [backup-simplify]: Simplify (- 0) into 0
12.980 * [backup-simplify]: Simplify (+ 0 0) into 0
12.980 * [backup-simplify]: Simplify 0 into 0
12.982 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))))) into 0
12.983 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
12.984 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
12.985 * [backup-simplify]: Simplify (- 0) into 0
12.985 * [backup-simplify]: Simplify (+ 0 0) into 0
12.985 * [backup-simplify]: Simplify 0 into 0
12.987 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))))))) into 0
12.988 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
12.990 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
12.991 * [backup-simplify]: Simplify (- 0) into 0
12.991 * [backup-simplify]: Simplify (+ 0 0) into 0
12.991 * [backup-simplify]: Simplify 0 into 0
12.993 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))))))) into 0
12.995 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
12.997 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
12.997 * [backup-simplify]: Simplify (- 0) into 0
12.997 * [backup-simplify]: Simplify (+ 0 0) into 0
12.997 * [backup-simplify]: Simplify 0 into 0
12.998 * [backup-simplify]: Simplify (+ (* (- 0.5) (pow x 2)) (* 1.0 x)) into (- (* 1.0 x) (* 0.5 (pow x 2)))
12.998 * [backup-simplify]: Simplify (+ (* 1.0 (/ 1 x)) (* (- (* (/ 1 x) 0.5)) (/ 1 x))) into (- (* 1.0 (/ 1 x)) (* 0.5 (/ 1 (pow x 2))))
12.998 * [approximate]: Taking taylor expansion of (- (* 1.0 (/ 1 x)) (* 0.5 (/ 1 (pow x 2)))) in (x) around 0
12.998 * [taylor]: Taking taylor expansion of (- (* 1.0 (/ 1 x)) (* 0.5 (/ 1 (pow x 2)))) in x
12.998 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
12.998 * [taylor]: Taking taylor expansion of 1.0 in x
12.998 * [backup-simplify]: Simplify 1.0 into 1.0
12.998 * [taylor]: Taking taylor expansion of (/ 1 x) in x
12.998 * [taylor]: Taking taylor expansion of x in x
12.998 * [backup-simplify]: Simplify 0 into 0
12.998 * [backup-simplify]: Simplify 1 into 1
12.999 * [backup-simplify]: Simplify (/ 1 1) into 1
12.999 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow x 2))) in x
12.999 * [taylor]: Taking taylor expansion of 0.5 in x
12.999 * [backup-simplify]: Simplify 0.5 into 0.5
12.999 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
12.999 * [taylor]: Taking taylor expansion of (pow x 2) in x
12.999 * [taylor]: Taking taylor expansion of x in x
12.999 * [backup-simplify]: Simplify 0 into 0
12.999 * [backup-simplify]: Simplify 1 into 1
12.999 * [backup-simplify]: Simplify (* 1 1) into 1
13.000 * [backup-simplify]: Simplify (/ 1 1) into 1
13.000 * [taylor]: Taking taylor expansion of (- (* 1.0 (/ 1 x)) (* 0.5 (/ 1 (pow x 2)))) in x
13.000 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
13.000 * [taylor]: Taking taylor expansion of 1.0 in x
13.000 * [backup-simplify]: Simplify 1.0 into 1.0
13.000 * [taylor]: Taking taylor expansion of (/ 1 x) in x
13.000 * [taylor]: Taking taylor expansion of x in x
13.000 * [backup-simplify]: Simplify 0 into 0
13.000 * [backup-simplify]: Simplify 1 into 1
13.000 * [backup-simplify]: Simplify (/ 1 1) into 1
13.000 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow x 2))) in x
13.000 * [taylor]: Taking taylor expansion of 0.5 in x
13.000 * [backup-simplify]: Simplify 0.5 into 0.5
13.000 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
13.000 * [taylor]: Taking taylor expansion of (pow x 2) in x
13.000 * [taylor]: Taking taylor expansion of x in x
13.001 * [backup-simplify]: Simplify 0 into 0
13.001 * [backup-simplify]: Simplify 1 into 1
13.001 * [backup-simplify]: Simplify (* 1 1) into 1
13.001 * [backup-simplify]: Simplify (/ 1 1) into 1
13.002 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
13.003 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
13.003 * [backup-simplify]: Simplify (+ 0 (- 0.5)) into (- 0.5)
13.004 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
13.004 * [backup-simplify]: Simplify (* 1.0 1) into 1.0
13.005 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
13.006 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
13.007 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
13.007 * [backup-simplify]: Simplify (- 0) into 0
13.008 * [backup-simplify]: Simplify (+ 1.0 0) into 1.0
13.008 * [backup-simplify]: Simplify 1.0 into 1.0
13.009 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
13.010 * [backup-simplify]: Simplify (+ (* 1.0 0) (* 0 1)) into 0
13.011 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
13.013 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
13.014 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
13.014 * [backup-simplify]: Simplify (- 0) into 0
13.015 * [backup-simplify]: Simplify (+ 0 0) into 0
13.015 * [backup-simplify]: Simplify 0 into 0
13.015 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
13.016 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (* 0 1))) into 0
13.018 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
13.019 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
13.020 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
13.020 * [backup-simplify]: Simplify (- 0) into 0
13.020 * [backup-simplify]: Simplify (+ 0 0) into 0
13.020 * [backup-simplify]: Simplify 0 into 0
13.021 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
13.022 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
13.024 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
13.024 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
13.026 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
13.026 * [backup-simplify]: Simplify (- 0) into 0
13.027 * [backup-simplify]: Simplify (+ 0 0) into 0
13.027 * [backup-simplify]: Simplify 0 into 0
13.027 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
13.029 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
13.030 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
13.031 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
13.032 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
13.033 * [backup-simplify]: Simplify (- 0) into 0
13.040 * [backup-simplify]: Simplify (+ 0 0) into 0
13.040 * [backup-simplify]: Simplify 0 into 0
13.042 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
13.043 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
13.045 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
13.046 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
13.047 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
13.048 * [backup-simplify]: Simplify (- 0) into 0
13.048 * [backup-simplify]: Simplify (+ 0 0) into 0
13.048 * [backup-simplify]: Simplify 0 into 0
13.049 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
13.051 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
13.052 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0
13.053 * [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
13.055 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0
13.055 * [backup-simplify]: Simplify (- 0) into 0
13.056 * [backup-simplify]: Simplify (+ 0 0) into 0
13.056 * [backup-simplify]: Simplify 0 into 0
13.056 * [backup-simplify]: Simplify (+ (* 1.0 (/ 1 (/ 1 x))) (* (- 0.5) (pow (/ 1 (/ 1 x)) 2))) into (- (* 1.0 x) (* 0.5 (pow x 2)))
13.057 * [backup-simplify]: Simplify (+ (* 1.0 (/ 1 (- x))) (* (- (* (/ 1 (- x)) 0.5)) (/ 1 (- x)))) into (- (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x))))
13.057 * [approximate]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x)))) in (x) around 0
13.057 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x)))) in x
13.057 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x))) in x
13.057 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow x 2))) in x
13.057 * [taylor]: Taking taylor expansion of 0.5 in x
13.057 * [backup-simplify]: Simplify 0.5 into 0.5
13.057 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
13.057 * [taylor]: Taking taylor expansion of (pow x 2) in x
13.057 * [taylor]: Taking taylor expansion of x in x
13.058 * [backup-simplify]: Simplify 0 into 0
13.058 * [backup-simplify]: Simplify 1 into 1
13.058 * [backup-simplify]: Simplify (* 1 1) into 1
13.058 * [backup-simplify]: Simplify (/ 1 1) into 1
13.058 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
13.058 * [taylor]: Taking taylor expansion of 1.0 in x
13.058 * [backup-simplify]: Simplify 1.0 into 1.0
13.058 * [taylor]: Taking taylor expansion of (/ 1 x) in x
13.058 * [taylor]: Taking taylor expansion of x in x
13.058 * [backup-simplify]: Simplify 0 into 0
13.059 * [backup-simplify]: Simplify 1 into 1
13.059 * [backup-simplify]: Simplify (/ 1 1) into 1
13.059 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x)))) in x
13.059 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x))) in x
13.059 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow x 2))) in x
13.059 * [taylor]: Taking taylor expansion of 0.5 in x
13.059 * [backup-simplify]: Simplify 0.5 into 0.5
13.059 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
13.059 * [taylor]: Taking taylor expansion of (pow x 2) in x
13.059 * [taylor]: Taking taylor expansion of x in x
13.059 * [backup-simplify]: Simplify 0 into 0
13.059 * [backup-simplify]: Simplify 1 into 1
13.060 * [backup-simplify]: Simplify (* 1 1) into 1
13.060 * [backup-simplify]: Simplify (/ 1 1) into 1
13.060 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
13.060 * [taylor]: Taking taylor expansion of 1.0 in x
13.060 * [backup-simplify]: Simplify 1.0 into 1.0
13.060 * [taylor]: Taking taylor expansion of (/ 1 x) in x
13.060 * [taylor]: Taking taylor expansion of x in x
13.060 * [backup-simplify]: Simplify 0 into 0
13.060 * [backup-simplify]: Simplify 1 into 1
13.060 * [backup-simplify]: Simplify (/ 1 1) into 1
13.061 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
13.061 * [backup-simplify]: Simplify (+ 0.5 0) into 0.5
13.062 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
13.062 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
13.063 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
13.063 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
13.064 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
13.065 * [backup-simplify]: Simplify (* 1.0 1) into 1.0
13.065 * [backup-simplify]: Simplify (+ 0 1.0) into 1.0
13.066 * [backup-simplify]: Simplify (- 1.0) into (- 1.0)
13.066 * [backup-simplify]: Simplify (- 1.0) into (- 1.0)
13.067 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
13.068 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
13.069 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
13.070 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
13.071 * [backup-simplify]: Simplify (+ (* 1.0 0) (* 0 1)) into 0
13.071 * [backup-simplify]: Simplify (+ 0 0) into 0
13.071 * [backup-simplify]: Simplify (- 0) into 0
13.071 * [backup-simplify]: Simplify 0 into 0
13.072 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
13.073 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
13.074 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
13.075 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
13.076 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (* 0 1))) into 0
13.077 * [backup-simplify]: Simplify (+ 0 0) into 0
13.077 * [backup-simplify]: Simplify (- 0) into 0
13.077 * [backup-simplify]: Simplify 0 into 0
13.078 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
13.079 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
13.080 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
13.081 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
13.082 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
13.083 * [backup-simplify]: Simplify (+ 0 0) into 0
13.083 * [backup-simplify]: Simplify (- 0) into 0
13.083 * [backup-simplify]: Simplify 0 into 0
13.084 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
13.085 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
13.087 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
13.088 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
13.089 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
13.089 * [backup-simplify]: Simplify (+ 0 0) into 0
13.089 * [backup-simplify]: Simplify (- 0) into 0
13.090 * [backup-simplify]: Simplify 0 into 0
13.091 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
13.092 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
13.094 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
13.094 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
13.096 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
13.096 * [backup-simplify]: Simplify (+ 0 0) into 0
13.097 * [backup-simplify]: Simplify (- 0) into 0
13.097 * [backup-simplify]: Simplify 0 into 0
13.098 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0
13.099 * [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
13.101 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0
13.102 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
13.103 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
13.104 * [backup-simplify]: Simplify (+ 0 0) into 0
13.104 * [backup-simplify]: Simplify (- 0) into 0
13.104 * [backup-simplify]: Simplify 0 into 0
13.105 * [backup-simplify]: Simplify (+ (* (- 1.0) (/ 1 (/ 1 (- x)))) (* (- 0.5) (pow (/ 1 (/ 1 (- x))) 2))) into (- (* 1.0 x) (* 0.5 (pow x 2)))
13.105 * * * [progress]: simplifying candidates
13.106 * [simplify]: Simplifying:
  (expm1 (+ (* 1.0 x) (* (- (* x 0.5)) x)))
  (log1p (+ (* 1.0 x) (* (- (* x 0.5)) x)))
  (* (exp (* 1.0 x)) (exp (* (- (* x 0.5)) x)))
  (log (+ (* 1.0 x) (* (- (* x 0.5)) x)))
  (exp (+ (* 1.0 x) (* (- (* x 0.5)) x)))
  (* (cbrt (+ (* 1.0 x) (* (- (* x 0.5)) x))) (cbrt (+ (* 1.0 x) (* (- (* x 0.5)) x))))
  (cbrt (+ (* 1.0 x) (* (- (* x 0.5)) x)))
  (* (* (+ (* 1.0 x) (* (- (* x 0.5)) x)) (+ (* 1.0 x) (* (- (* x 0.5)) x))) (+ (* 1.0 x) (* (- (* x 0.5)) x)))
  (sqrt (+ (* 1.0 x) (* (- (* x 0.5)) x)))
  (sqrt (+ (* 1.0 x) (* (- (* x 0.5)) x)))
  (+ (pow (* 1.0 x) 3) (pow (* (- (* x 0.5)) x) 3))
  (+ (* (* 1.0 x) (* 1.0 x)) (- (* (* (- (* x 0.5)) x) (* (- (* x 0.5)) x)) (* (* 1.0 x) (* (- (* x 0.5)) x))))
  (- (* (* 1.0 x) (* 1.0 x)) (* (* (- (* x 0.5)) x) (* (- (* x 0.5)) x)))
  (- (* 1.0 x) (* (- (* x 0.5)) x))
  (+ 1.0 (- (* x 0.5)))
  (- (* 1.0 x) (* 0.5 (pow x 2)))
  (- (* 1.0 x) (* 0.5 (pow x 2)))
  (- (* 1.0 x) (* 0.5 (pow x 2)))
13.107 * * [simplify]: iteration 0: 36 enodes
13.129 * * [simplify]: iteration 1: 127 enodes
13.217 * * [simplify]: iteration 2: 504 enodes
15.610 * * [simplify]: iteration 3: 2506 enodes
21.415 * * [simplify]: iteration complete: 5003 enodes
21.415 * * [simplify]: Extracting #0: cost 14 inf + 0
21.418 * * [simplify]: Extracting #1: cost 391 inf + 0
21.431 * * [simplify]: Extracting #2: cost 571 inf + 7707
21.507 * * [simplify]: Extracting #3: cost 209 inf + 89366
21.650 * * [simplify]: Extracting #4: cost 14 inf + 123817
21.881 * * [simplify]: Extracting #5: cost 2 inf + 124207
22.020 * * [simplify]: Extracting #6: cost 0 inf + 124858
22.168 * [simplify]: Simplified to:
  (expm1 (* x (- 1.0 (* 0.5 x))))
  (log1p (* x (- 1.0 (* 0.5 x))))
  (exp (* x (- 1.0 (* 0.5 x))))
  (log (* x (- 1.0 (* 0.5 x))))
  (exp (* x (- 1.0 (* 0.5 x))))
  (* (cbrt (* x (- 1.0 (* 0.5 x)))) (cbrt (* x (- 1.0 (* 0.5 x)))))
  (cbrt (* x (- 1.0 (* 0.5 x))))
  (* (* (* x (- 1.0 (* 0.5 x))) (* x (- 1.0 (* 0.5 x)))) (* x (- 1.0 (* 0.5 x))))
  (sqrt (* x (- 1.0 (* 0.5 x))))
  (sqrt (* x (- 1.0 (* 0.5 x))))
  (- (* (* x 1.0) (* (* x 1.0) (* x 1.0))) (* (* (* (* 0.5 x) x) (* (* 0.5 x) x)) (* (* 0.5 x) x)))
  (fma (* (* 0.5 x) x) (* x 1.0) (fma (* (* 0.5 x) x) (* (* 0.5 x) x) (* (* x 1.0) (* x 1.0))))
  (- (* (* x 1.0) (* x 1.0)) (* (* (* 0.5 x) x) (* (* 0.5 x) x)))
  (* x (fma 0.5 x 1.0))
  (- 1.0 (* 0.5 x))
  (* x (- 1.0 (* 0.5 x)))
  (* x (- 1.0 (* 0.5 x)))
  (* x (- 1.0 (* 0.5 x)))
22.169 * * * [progress]: adding candidates to table
22.271 * [progress]: [Phase 3 of 3] Extracting.
22.271 * * [regime]: Finding splitpoints for: (#<alt (λ (x) (* x (- 1.0 (* x 0.5))))> #<alt (λ (x) (+ (* 1.0 x) (* (- (* x 0.5)) x)))>)
22.271 * * * [regime-changes]: Trying 2 branch expressions: ((* x (- 1.0 (* x 0.5))) x)
22.271 * * * * [regimes]: Trying to branch on (* x (- 1.0 (* x 0.5))) from (#<alt (λ (x) (* x (- 1.0 (* x 0.5))))> #<alt (λ (x) (+ (* 1.0 x) (* (- (* x 0.5)) x)))>)
22.319 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x) (* x (- 1.0 (* x 0.5))))> #<alt (λ (x) (+ (* 1.0 x) (* (- (* x 0.5)) x)))>)
22.363 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
22.364 * [simplify]: Simplifying:
  (* x (- 1.0 (* x 0.5)))
22.364 * * [simplify]: iteration 0: 6 enodes
22.365 * * [simplify]: iteration 1: 8 enodes
22.365 * * [simplify]: iteration complete: 8 enodes
22.365 * * [simplify]: Extracting #0: cost 1 inf + 0
22.365 * * [simplify]: Extracting #1: cost 3 inf + 0
22.365 * * [simplify]: Extracting #2: cost 4 inf + 1
22.365 * * [simplify]: Extracting #3: cost 4 inf + 2
22.365 * * [simplify]: Extracting #4: cost 3 inf + 3
22.366 * * [simplify]: Extracting #5: cost 0 inf + 251
22.366 * [simplify]: Simplified to:
  (* (- 1.0 (* x 0.5)) x)
23.932 * [regime-testing]: Baseline error score: 0.011001375171896487
23.950 * [regime-testing]: Oracle error score: 0.00037504688086010754
23.986 * [regime-testing]: End program error score: 0.011001375171896487