43.007 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.024 * * * [progress]: [2/2] Setting up program.
0.026 * [progress]: [Phase 2 of 3] Improving.
0.026 * [simplify]: Simplifying:
  (- (* a a) (* b b))
0.026 * * [simplify]: Extracting # 0 : cost  0
0.026 * * [simplify]: Extracting # 1 : cost  0
0.026 * * [simplify]: Extracting # 2 : cost  0
0.026 * * [simplify]: Extracting # 3 : cost  0
0.026 * * [simplify]: Extracting # 4 : cost  0
0.026 * * [simplify]: iteration  0 :  5  enodes  (cost  7 )
0.027 * * [simplify]: Extracting # 0 : cost  0
0.027 * * [simplify]: Extracting # 1 : cost  0
0.027 * * [simplify]: Extracting # 2 : cost  0
0.027 * * [simplify]: iteration  1 :  11  enodes  (cost  7 )
0.029 * * [simplify]: Extracting # 0 : cost  0
0.029 * * [simplify]: Extracting # 1 : cost  0
0.029 * * [simplify]: Extracting # 2 : cost  0
0.029 * * [simplify]: iteration  2 :  18  enodes  (cost  7 )
0.032 * * [simplify]: Extracting # 0 : cost  0
0.032 * * [simplify]: Extracting # 1 : cost  0
0.032 * * [simplify]: Extracting # 2 : cost  0
0.032 * * [simplify]: iteration  3 :  35  enodes  (cost  7 )
0.040 * * [simplify]: Extracting # 0 : cost  0
0.040 * * [simplify]: Extracting # 1 : cost  0
0.040 * * [simplify]: Extracting # 2 : cost  0
0.040 * * [simplify]: iteration  4 :  67  enodes  (cost  7 )
0.059 * * [simplify]: Extracting # 0 : cost  0
0.059 * * [simplify]: Extracting # 1 : cost  0
0.059 * * [simplify]: Extracting # 2 : cost  0
0.059 * * [simplify]: iteration  5 :  160  enodes  (cost  7 )
0.121 * * [simplify]: Extracting # 0 : cost  0
0.122 * * [simplify]: Extracting # 1 : cost  0
0.122 * * [simplify]: Extracting # 2 : cost  0
0.122 * * [simplify]: iteration  6 :  271  enodes  (cost  7 )
0.288 * * [simplify]: Extracting # 0 : cost  0
0.289 * * [simplify]: Extracting # 1 : cost  0
0.289 * * [simplify]: Extracting # 2 : cost  0
0.289 * * [simplify]: Extracting # 3 : cost  0
0.290 * * [simplify]: iteration  7 :  514  enodes  (cost  7 )
1.433 * * [simplify]: Extracting # 0 : cost  0
1.438 * * [simplify]: Extracting # 1 : cost  0
1.440 * * [simplify]: Extracting # 2 : cost  0
1.442 * * [simplify]: Extracting # 3 : cost  0
1.443 * * [simplify]: Extracting # 4 : cost  0
1.445 * * [simplify]: iteration  8 :  1901  enodes  (cost  7 )
11.314 * * [simplify]: Extracting # 0 : cost  0
11.336 * * [simplify]: Extracting # 1 : cost  0
11.341 * * [simplify]: Extracting # 2 : cost  0
11.346 * * [simplify]: Extracting # 3 : cost  0
11.351 * * [simplify]: Extracting # 4 : cost  0
11.354 * * [simplify]: iteration done:  5001  enodes  (cost  7 )
11.355 * [simplify]: Simplified to:
  (- (* a a) (* b b))
11.355 * * [progress]: iteration 1 / 4
11.355 * * * [progress]: picking best candidate
11.357 * * * * [pick]: Picked  #<alt (λ (a b) (- (* a a) (* b b)))>
11.357 * * * [progress]: localizing error
11.365 * * * [progress]: generating rewritten candidates
11.365 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
11.380 * * * [progress]: generating series expansions
11.380 * * * * [progress]: [ 1 / 1 ] generating series at (2)
11.380 * [backup-simplify]: Simplify (- (* a a) (* b b)) into (- (pow a 2) (pow b 2))
11.380 * [approximate]: Taking taylor expansion of (- (pow a 2) (pow b 2)) in (a b) around 0
11.380 * [taylor]: Taking taylor expansion of (- (pow a 2) (pow b 2)) in b
11.380 * [taylor]: Taking taylor expansion of (pow a 2) in b
11.380 * [taylor]: Taking taylor expansion of a in b
11.380 * [backup-simplify]: Simplify a into a
11.380 * [taylor]: Taking taylor expansion of (pow b 2) in b
11.380 * [taylor]: Taking taylor expansion of b in b
11.380 * [backup-simplify]: Simplify 0 into 0
11.380 * [backup-simplify]: Simplify 1 into 1
11.380 * [taylor]: Taking taylor expansion of (- (pow a 2) (pow b 2)) in a
11.380 * [taylor]: Taking taylor expansion of (pow a 2) in a
11.380 * [taylor]: Taking taylor expansion of a in a
11.380 * [backup-simplify]: Simplify 0 into 0
11.380 * [backup-simplify]: Simplify 1 into 1
11.380 * [taylor]: Taking taylor expansion of (pow b 2) in a
11.380 * [taylor]: Taking taylor expansion of b in a
11.380 * [backup-simplify]: Simplify b into b
11.380 * [taylor]: Taking taylor expansion of (- (pow a 2) (pow b 2)) in a
11.380 * [taylor]: Taking taylor expansion of (pow a 2) in a
11.380 * [taylor]: Taking taylor expansion of a in a
11.380 * [backup-simplify]: Simplify 0 into 0
11.380 * [backup-simplify]: Simplify 1 into 1
11.380 * [taylor]: Taking taylor expansion of (pow b 2) in a
11.380 * [taylor]: Taking taylor expansion of b in a
11.381 * [backup-simplify]: Simplify b into b
11.381 * [backup-simplify]: Simplify (* b b) into (pow b 2)
11.381 * [backup-simplify]: Simplify (- (pow b 2)) into (- (pow b 2))
11.381 * [backup-simplify]: Simplify (+ 0 (- (pow b 2))) into (- (pow b 2))
11.381 * [taylor]: Taking taylor expansion of (- (pow b 2)) in b
11.381 * [taylor]: Taking taylor expansion of (pow b 2) in b
11.381 * [taylor]: Taking taylor expansion of b in b
11.381 * [backup-simplify]: Simplify 0 into 0
11.381 * [backup-simplify]: Simplify 1 into 1
11.381 * [backup-simplify]: Simplify (+ (* b 0) (* 0 b)) into 0
11.382 * [backup-simplify]: Simplify (- 0) into 0
11.382 * [backup-simplify]: Simplify (+ 0 0) into 0
11.382 * [taylor]: Taking taylor expansion of 0 in b
11.382 * [backup-simplify]: Simplify 0 into 0
11.382 * [backup-simplify]: Simplify 0 into 0
11.383 * [backup-simplify]: Simplify (* 1 1) into 1
11.383 * [backup-simplify]: Simplify (+ (* b 0) (+ (* 0 0) (* 0 b))) into 0
11.383 * [backup-simplify]: Simplify (- 0) into 0
11.384 * [backup-simplify]: Simplify (+ 1 0) into 1
11.384 * [taylor]: Taking taylor expansion of 1 in b
11.384 * [backup-simplify]: Simplify 1 into 1
11.384 * [backup-simplify]: Simplify 1 into 1
11.384 * [backup-simplify]: Simplify 0 into 0
11.384 * [backup-simplify]: Simplify (* 1 1) into 1
11.384 * [backup-simplify]: Simplify (- 1) into -1
11.384 * [backup-simplify]: Simplify -1 into -1
11.385 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
11.386 * [backup-simplify]: Simplify (+ (* b 0) (+ (* 0 0) (+ (* 0 0) (* 0 b)))) into 0
11.386 * [backup-simplify]: Simplify (- 0) into 0
11.386 * [backup-simplify]: Simplify (+ 0 0) into 0
11.386 * [taylor]: Taking taylor expansion of 0 in b
11.386 * [backup-simplify]: Simplify 0 into 0
11.386 * [backup-simplify]: Simplify 0 into 0
11.387 * [backup-simplify]: Simplify 0 into 0
11.387 * [backup-simplify]: Simplify 0 into 0
11.387 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
11.388 * [backup-simplify]: Simplify (- 0) into 0
11.388 * [backup-simplify]: Simplify 0 into 0
11.389 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
11.390 * [backup-simplify]: Simplify (+ (* b 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 b))))) into 0
11.390 * [backup-simplify]: Simplify (- 0) into 0
11.390 * [backup-simplify]: Simplify (+ 0 0) into 0
11.390 * [taylor]: Taking taylor expansion of 0 in b
11.390 * [backup-simplify]: Simplify 0 into 0
11.390 * [backup-simplify]: Simplify 0 into 0
11.390 * [backup-simplify]: Simplify 0 into 0
11.391 * [backup-simplify]: Simplify (+ (* -1 (pow (* b 1) 2)) (* 1 (pow (* 1 a) 2))) into (- (pow a 2) (pow b 2))
11.391 * [backup-simplify]: Simplify (- (* (/ 1 a) (/ 1 a)) (* (/ 1 b) (/ 1 b))) into (- (/ 1 (pow a 2)) (/ 1 (pow b 2)))
11.391 * [approximate]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in (a b) around 0
11.391 * [taylor]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in b
11.391 * [taylor]: Taking taylor expansion of (/ 1 (pow a 2)) in b
11.391 * [taylor]: Taking taylor expansion of (pow a 2) in b
11.391 * [taylor]: Taking taylor expansion of a in b
11.391 * [backup-simplify]: Simplify a into a
11.391 * [backup-simplify]: Simplify (* a a) into (pow a 2)
11.392 * [backup-simplify]: Simplify (/ 1 (pow a 2)) into (/ 1 (pow a 2))
11.392 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in b
11.392 * [taylor]: Taking taylor expansion of (pow b 2) in b
11.392 * [taylor]: Taking taylor expansion of b in b
11.392 * [backup-simplify]: Simplify 0 into 0
11.392 * [backup-simplify]: Simplify 1 into 1
11.392 * [backup-simplify]: Simplify (* 1 1) into 1
11.393 * [backup-simplify]: Simplify (/ 1 1) into 1
11.393 * [taylor]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in a
11.393 * [taylor]: Taking taylor expansion of (/ 1 (pow a 2)) in a
11.393 * [taylor]: Taking taylor expansion of (pow a 2) in a
11.393 * [taylor]: Taking taylor expansion of a in a
11.393 * [backup-simplify]: Simplify 0 into 0
11.393 * [backup-simplify]: Simplify 1 into 1
11.393 * [backup-simplify]: Simplify (* 1 1) into 1
11.393 * [backup-simplify]: Simplify (/ 1 1) into 1
11.394 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in a
11.394 * [taylor]: Taking taylor expansion of (pow b 2) in a
11.394 * [taylor]: Taking taylor expansion of b in a
11.394 * [backup-simplify]: Simplify b into b
11.394 * [backup-simplify]: Simplify (* b b) into (pow b 2)
11.394 * [backup-simplify]: Simplify (/ 1 (pow b 2)) into (/ 1 (pow b 2))
11.394 * [taylor]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in a
11.394 * [taylor]: Taking taylor expansion of (/ 1 (pow a 2)) in a
11.394 * [taylor]: Taking taylor expansion of (pow a 2) in a
11.394 * [taylor]: Taking taylor expansion of a in a
11.394 * [backup-simplify]: Simplify 0 into 0
11.394 * [backup-simplify]: Simplify 1 into 1
11.394 * [backup-simplify]: Simplify (* 1 1) into 1
11.395 * [backup-simplify]: Simplify (/ 1 1) into 1
11.395 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in a
11.395 * [taylor]: Taking taylor expansion of (pow b 2) in a
11.395 * [taylor]: Taking taylor expansion of b in a
11.395 * [backup-simplify]: Simplify b into b
11.395 * [backup-simplify]: Simplify (* b b) into (pow b 2)
11.395 * [backup-simplify]: Simplify (/ 1 (pow b 2)) into (/ 1 (pow b 2))
11.395 * [backup-simplify]: Simplify (+ 1 0) into 1
11.395 * [taylor]: Taking taylor expansion of 1 in b
11.395 * [backup-simplify]: Simplify 1 into 1
11.396 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
11.397 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
11.397 * [backup-simplify]: Simplify (+ 0 0) into 0
11.397 * [taylor]: Taking taylor expansion of 0 in b
11.397 * [backup-simplify]: Simplify 0 into 0
11.398 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
11.399 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
11.399 * [backup-simplify]: Simplify (- (/ 1 (pow b 2))) into (- (/ 1 (pow b 2)))
11.399 * [backup-simplify]: Simplify (+ 0 (- (/ 1 (pow b 2)))) into (- (/ 1 (pow b 2)))
11.399 * [taylor]: Taking taylor expansion of (- (/ 1 (pow b 2))) in b
11.399 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in b
11.399 * [taylor]: Taking taylor expansion of (pow b 2) in b
11.399 * [taylor]: Taking taylor expansion of b in b
11.399 * [backup-simplify]: Simplify 0 into 0
11.399 * [backup-simplify]: Simplify 1 into 1
11.400 * [backup-simplify]: Simplify (* 1 1) into 1
11.400 * [backup-simplify]: Simplify (/ 1 1) into 1
11.400 * [backup-simplify]: Simplify (- 1) into -1
11.400 * [backup-simplify]: Simplify -1 into -1
11.400 * [backup-simplify]: Simplify 1 into 1
11.401 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
11.402 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
11.402 * [backup-simplify]: Simplify (+ (* b 0) (* 0 b)) into 0
11.402 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow b 2)) (/ 0 (pow b 2))))) into 0
11.403 * [backup-simplify]: Simplify (- 0) into 0
11.403 * [backup-simplify]: Simplify (+ 0 0) into 0
11.403 * [taylor]: Taking taylor expansion of 0 in b
11.403 * [backup-simplify]: Simplify 0 into 0
11.404 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
11.404 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
11.405 * [backup-simplify]: Simplify (- 0) into 0
11.405 * [backup-simplify]: Simplify 0 into 0
11.405 * [backup-simplify]: Simplify 0 into 0
11.405 * [backup-simplify]: Simplify 0 into 0
11.406 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
11.407 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
11.407 * [backup-simplify]: Simplify (+ (* b 0) (+ (* 0 0) (* 0 b))) into 0
11.407 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow b 2)) (/ 0 (pow b 2))) (* 0 (/ 0 (pow b 2))))) into 0
11.408 * [backup-simplify]: Simplify (- 0) into 0
11.408 * [backup-simplify]: Simplify (+ 0 0) into 0
11.408 * [taylor]: Taking taylor expansion of 0 in b
11.408 * [backup-simplify]: Simplify 0 into 0
11.409 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
11.410 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
11.410 * [backup-simplify]: Simplify (- 0) into 0
11.410 * [backup-simplify]: Simplify 0 into 0
11.410 * [backup-simplify]: Simplify 0 into 0
11.410 * [backup-simplify]: Simplify 0 into 0
11.411 * [backup-simplify]: Simplify (+ (* 1 (pow (* 1 (/ 1 (/ 1 a))) 2)) (* -1 (pow (* (/ 1 (/ 1 b)) 1) 2))) into (- (pow a 2) (pow b 2))
11.411 * [backup-simplify]: Simplify (- (* (/ 1 (- a)) (/ 1 (- a))) (* (/ 1 (- b)) (/ 1 (- b)))) into (- (/ 1 (pow a 2)) (/ 1 (pow b 2)))
11.411 * [approximate]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in (a b) around 0
11.411 * [taylor]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in b
11.411 * [taylor]: Taking taylor expansion of (/ 1 (pow a 2)) in b
11.411 * [taylor]: Taking taylor expansion of (pow a 2) in b
11.411 * [taylor]: Taking taylor expansion of a in b
11.411 * [backup-simplify]: Simplify a into a
11.411 * [backup-simplify]: Simplify (* a a) into (pow a 2)
11.411 * [backup-simplify]: Simplify (/ 1 (pow a 2)) into (/ 1 (pow a 2))
11.411 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in b
11.411 * [taylor]: Taking taylor expansion of (pow b 2) in b
11.411 * [taylor]: Taking taylor expansion of b in b
11.411 * [backup-simplify]: Simplify 0 into 0
11.411 * [backup-simplify]: Simplify 1 into 1
11.412 * [backup-simplify]: Simplify (* 1 1) into 1
11.412 * [backup-simplify]: Simplify (/ 1 1) into 1
11.412 * [taylor]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in a
11.412 * [taylor]: Taking taylor expansion of (/ 1 (pow a 2)) in a
11.412 * [taylor]: Taking taylor expansion of (pow a 2) in a
11.412 * [taylor]: Taking taylor expansion of a in a
11.412 * [backup-simplify]: Simplify 0 into 0
11.412 * [backup-simplify]: Simplify 1 into 1
11.413 * [backup-simplify]: Simplify (* 1 1) into 1
11.413 * [backup-simplify]: Simplify (/ 1 1) into 1
11.413 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in a
11.413 * [taylor]: Taking taylor expansion of (pow b 2) in a
11.413 * [taylor]: Taking taylor expansion of b in a
11.413 * [backup-simplify]: Simplify b into b
11.413 * [backup-simplify]: Simplify (* b b) into (pow b 2)
11.413 * [backup-simplify]: Simplify (/ 1 (pow b 2)) into (/ 1 (pow b 2))
11.413 * [taylor]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in a
11.413 * [taylor]: Taking taylor expansion of (/ 1 (pow a 2)) in a
11.413 * [taylor]: Taking taylor expansion of (pow a 2) in a
11.413 * [taylor]: Taking taylor expansion of a in a
11.413 * [backup-simplify]: Simplify 0 into 0
11.413 * [backup-simplify]: Simplify 1 into 1
11.414 * [backup-simplify]: Simplify (* 1 1) into 1
11.414 * [backup-simplify]: Simplify (/ 1 1) into 1
11.414 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in a
11.414 * [taylor]: Taking taylor expansion of (pow b 2) in a
11.414 * [taylor]: Taking taylor expansion of b in a
11.414 * [backup-simplify]: Simplify b into b
11.414 * [backup-simplify]: Simplify (* b b) into (pow b 2)
11.414 * [backup-simplify]: Simplify (/ 1 (pow b 2)) into (/ 1 (pow b 2))
11.415 * [backup-simplify]: Simplify (+ 1 0) into 1
11.415 * [taylor]: Taking taylor expansion of 1 in b
11.415 * [backup-simplify]: Simplify 1 into 1
11.415 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
11.416 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
11.416 * [backup-simplify]: Simplify (+ 0 0) into 0
11.416 * [taylor]: Taking taylor expansion of 0 in b
11.416 * [backup-simplify]: Simplify 0 into 0
11.417 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
11.418 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
11.418 * [backup-simplify]: Simplify (- (/ 1 (pow b 2))) into (- (/ 1 (pow b 2)))
11.418 * [backup-simplify]: Simplify (+ 0 (- (/ 1 (pow b 2)))) into (- (/ 1 (pow b 2)))
11.418 * [taylor]: Taking taylor expansion of (- (/ 1 (pow b 2))) in b
11.418 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in b
11.418 * [taylor]: Taking taylor expansion of (pow b 2) in b
11.418 * [taylor]: Taking taylor expansion of b in b
11.419 * [backup-simplify]: Simplify 0 into 0
11.419 * [backup-simplify]: Simplify 1 into 1
11.419 * [backup-simplify]: Simplify (* 1 1) into 1
11.419 * [backup-simplify]: Simplify (/ 1 1) into 1
11.420 * [backup-simplify]: Simplify (- 1) into -1
11.420 * [backup-simplify]: Simplify -1 into -1
11.420 * [backup-simplify]: Simplify 1 into 1
11.420 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
11.421 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
11.421 * [backup-simplify]: Simplify (+ (* b 0) (* 0 b)) into 0
11.422 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow b 2)) (/ 0 (pow b 2))))) into 0
11.422 * [backup-simplify]: Simplify (- 0) into 0
11.422 * [backup-simplify]: Simplify (+ 0 0) into 0
11.422 * [taylor]: Taking taylor expansion of 0 in b
11.422 * [backup-simplify]: Simplify 0 into 0
11.423 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
11.424 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
11.424 * [backup-simplify]: Simplify (- 0) into 0
11.424 * [backup-simplify]: Simplify 0 into 0
11.424 * [backup-simplify]: Simplify 0 into 0
11.424 * [backup-simplify]: Simplify 0 into 0
11.425 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
11.426 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
11.426 * [backup-simplify]: Simplify (+ (* b 0) (+ (* 0 0) (* 0 b))) into 0
11.427 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow b 2)) (/ 0 (pow b 2))) (* 0 (/ 0 (pow b 2))))) into 0
11.427 * [backup-simplify]: Simplify (- 0) into 0
11.427 * [backup-simplify]: Simplify (+ 0 0) into 0
11.427 * [taylor]: Taking taylor expansion of 0 in b
11.427 * [backup-simplify]: Simplify 0 into 0
11.428 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
11.429 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
11.429 * [backup-simplify]: Simplify (- 0) into 0
11.429 * [backup-simplify]: Simplify 0 into 0
11.429 * [backup-simplify]: Simplify 0 into 0
11.429 * [backup-simplify]: Simplify 0 into 0
11.430 * [backup-simplify]: Simplify (+ (* 1 (pow (* 1 (/ 1 (/ 1 (- a)))) 2)) (* -1 (pow (* (/ 1 (/ 1 (- b))) 1) 2))) into (- (pow a 2) (pow b 2))
11.430 * * * [progress]: simplifying candidates
11.431 * [simplify]: Simplifying:
  (fma a a (- (* b b)))
  (fma (- b) b (* b b))
  (expm1 (- (* a a) (* b b)))
  (log1p (- (* a a) (* b b)))
  (- (* b b))
  (/ (exp (* a a)) (exp (* b b)))
  (log (- (* a a) (* b b)))
  (exp (- (* a a) (* b b)))
  (* (cbrt (- (* a a) (* b b))) (cbrt (- (* a a) (* b b))))
  (cbrt (- (* a a) (* b b)))
  (* (* (- (* a a) (* b b)) (- (* a a) (* b b))) (- (* a a) (* b b)))
  (sqrt (- (* a a) (* b b)))
  (sqrt (- (* a a) (* b b)))
  (- (pow (* a a) 3) (pow (* b b) 3))
  (+ (* (* a a) (* a a)) (+ (* (* b b) (* b b)) (* (* a a) (* b b))))
  (- (* b b))
  (- (* (* a a) (* a a)) (* (* b b) (* b b)))
  (+ (* a a) (* b b))
  (+ a b)
  (- a b)
  (- (* b b))
  (- (pow a 2) (pow b 2))
  (- (pow a 2) (pow b 2))
  (- (pow a 2) (pow b 2))
11.431 * * [simplify]: Extracting # 0 : cost  0
11.431 * * [simplify]: Extracting # 1 : cost  0
11.431 * * [simplify]: Extracting # 2 : cost  0
11.431 * * [simplify]: Extracting # 3 : cost  0
11.432 * * [simplify]: Extracting # 4 : cost  0
11.432 * * [simplify]: Extracting # 5 : cost  0
11.432 * * [simplify]: iteration  0 :  38  enodes  (cost  214 )
11.451 * * [simplify]: Extracting # 0 : cost  0
11.451 * * [simplify]: Extracting # 1 : cost  0
11.451 * * [simplify]: Extracting # 2 : cost  0
11.451 * * [simplify]: Extracting # 3 : cost  0
11.452 * * [simplify]: Extracting # 4 : cost  0
11.452 * * [simplify]: iteration  1 :  100  enodes  (cost  205 )
11.503 * * [simplify]: Extracting # 0 : cost  0
11.503 * * [simplify]: Extracting # 1 : cost  0
11.504 * * [simplify]: Extracting # 2 : cost  0
11.504 * * [simplify]: Extracting # 3 : cost  0
11.504 * * [simplify]: Extracting # 4 : cost  0
11.505 * * [simplify]: iteration  2 :  291  enodes  (cost  175 )
11.648 * * [simplify]: Extracting # 0 : cost  0
11.649 * * [simplify]: Extracting # 1 : cost  0
11.651 * * [simplify]: Extracting # 2 : cost  0
11.652 * * [simplify]: Extracting # 3 : cost  0
11.654 * * [simplify]: Extracting # 4 : cost  0
11.655 * * [simplify]: iteration  3 :  922  enodes  (cost  175 )
12.721 * * [simplify]: Extracting # 0 : cost  0
12.728 * * [simplify]: Extracting # 1 : cost  0
12.734 * * [simplify]: Extracting # 2 : cost  0
12.739 * * [simplify]: Extracting # 3 : cost  0
12.745 * * [simplify]: Extracting # 4 : cost  0
12.751 * * [simplify]: iteration  4 :  4017  enodes  (cost  170 )
14.116 * * [simplify]: Extracting # 0 : cost  0
14.120 * * [simplify]: Extracting # 1 : cost  0
14.125 * * [simplify]: iteration done:  5000  enodes  (cost  170 )
14.125 * [simplify]: Simplified to:
  (fma a a (- (* b b)))
  0
  (expm1 (- (* a a) (* b b)))
  (log1p (- (* a a) (* b b)))
  (- (* b b))
  (exp (- (* a a) (* b b)))
  (log (- (* a a) (* b b)))
  (exp (- (* a a) (* b b)))
  (* (cbrt (- (* a a) (* b b))) (cbrt (- (* a a) (* b b))))
  (cbrt (- (* a a) (* b b)))
  (pow (fma a a (- (* b b))) 3)
  (sqrt (- (* a a) (* b b)))
  (sqrt (- (* a a) (* b b)))
  (- (pow a 6) (pow b 6))
  (fma (* b b) (fma a a (pow b 2)) (pow a 4))
  (- (* b b))
  (- (pow a 4) (pow b 4))
  (fma a a (pow b 2))
  (+ a b)
  (- a b)
  (- (* b b))
  (fma a a (- (* b b)))
  (fma a a (- (* b b)))
  (fma a a (- (* b b)))
14.125 * * * [progress]: adding candidates to table
14.171 * * [progress]: iteration 2 / 4
14.171 * * * [progress]: picking best candidate
14.172 * * * * [pick]: Picked  #<alt (λ (a b) (* (+ a b) (- a b)))>
14.172 * * * [progress]: localizing error
14.181 * * * [progress]: generating rewritten candidates
14.181 * * * [progress]: generating series expansions
14.181 * * * [progress]: simplifying candidates
14.181 * [simplify]: Simplifying:
  
14.181 * * [simplify]: Extracting # 0 : cost  0
14.181 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
14.181 * * [simplify]: Extracting # 0 : cost  0
14.182 * * [simplify]: iteration done:  0  enodes  (cost  0 )
14.182 * [simplify]: Simplified to:
  
14.182 * * * [progress]: adding candidates to table
14.182 * [progress]: [Phase 3 of 3] Extracting.
14.184 * [simplify]: Simplifying:
  (* (+ a b) (- a b))
14.185 * * [simplify]: Extracting # 0 : cost  0
14.185 * * [simplify]: Extracting # 1 : cost  0
14.185 * * [simplify]: Extracting # 2 : cost  0
14.185 * * [simplify]: Extracting # 3 : cost  0
14.185 * * [simplify]: Extracting # 4 : cost  0
14.185 * * [simplify]: iteration  0 :  5  enodes  (cost  7 )
14.185 * * [simplify]: Extracting # 0 : cost  0
14.185 * * [simplify]: iteration  1 :  7  enodes  (cost  7 )
14.186 * * [simplify]: Extracting # 0 : cost  0
14.186 * * [simplify]: iteration done:  7  enodes  (cost  7 )
14.186 * [simplify]: Simplified to:
  (* (+ a b) (- a b))
15.310 * [regime-testing]: Baseline error score: 0.0010001250156269534
15.312 * [regime-testing]: Oracle error score: 0.0010001250156269534
15.313 * [regime-testing]: End program error score: 0.0010001250156269534
15.335 * [regime-testing]: Target error score: 0.0010001250156269534