60.520 * [progress]: [Phase 1 of 3] Setting up.
0.002 * * * [progress]: [1/2] Preparing points
0.042 * * * [progress]: [2/2] Setting up program.
0.057 * [progress]: [Phase 2 of 3] Improving.
0.057 * * * * [progress]: [ 1 / 1 ] simplifiying candidate #<alt (λ (x y z) (- x (* (* y 4.0) z)))>
0.057 * [simplify]: Simplifying:
  (- x (* (* y 4.0) z))
0.058 * * [simplify]: iteration 0: 7 enodes
0.065 * * [simplify]: iteration 1: 13 enodes
0.077 * * [simplify]: iteration 2: 30 enodes
0.117 * * [simplify]: iteration 3: 53 enodes
0.164 * * [simplify]: iteration 4: 55 enodes
0.196 * * [simplify]: iteration complete: 55 enodes
0.197 * * [simplify]: Extracting #0: cost 1 inf + 0
0.197 * * [simplify]: Extracting #1: cost 4 inf + 0
0.197 * * [simplify]: Extracting #2: cost 15 inf + 1
0.197 * * [simplify]: Extracting #3: cost 7 inf + 252
0.197 * * [simplify]: Extracting #4: cost 1 inf + 705
0.197 * * [simplify]: Extracting #5: cost 0 inf + 829
0.198 * [simplify]: Simplified to:
  (- x (* (* y z) 4.0))
0.199 * * [progress]: iteration 1 / 4
0.199 * * * [progress]: picking best candidate
0.207 * * * * [pick]: Picked  #<alt (λ (x y z) (- x (* (* y 4.0) z)))>
0.207 * * * [progress]: localizing error
0.268 * * * [progress]: generating rewritten candidates
0.268 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.292 * * * [progress]: generating series expansions
0.292 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.292 * [backup-simplify]: Simplify (- x (* (* y 4.0) z)) into (- x (* 4.0 (* z y)))
0.292 * [approximate]: Taking taylor expansion of (- x (* 4.0 (* z y))) in (x y z) around 0
0.292 * [taylor]: Taking taylor expansion of (- x (* 4.0 (* z y))) in z
0.292 * [taylor]: Taking taylor expansion of x in z
0.292 * [backup-simplify]: Simplify x into x
0.292 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in z
0.292 * [taylor]: Taking taylor expansion of 4.0 in z
0.292 * [backup-simplify]: Simplify 4.0 into 4.0
0.292 * [taylor]: Taking taylor expansion of (* z y) in z
0.292 * [taylor]: Taking taylor expansion of z in z
0.292 * [backup-simplify]: Simplify 0 into 0
0.292 * [backup-simplify]: Simplify 1 into 1
0.292 * [taylor]: Taking taylor expansion of y in z
0.292 * [backup-simplify]: Simplify y into y
0.293 * [taylor]: Taking taylor expansion of (- x (* 4.0 (* z y))) in y
0.293 * [taylor]: Taking taylor expansion of x in y
0.293 * [backup-simplify]: Simplify x into x
0.293 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in y
0.293 * [taylor]: Taking taylor expansion of 4.0 in y
0.293 * [backup-simplify]: Simplify 4.0 into 4.0
0.293 * [taylor]: Taking taylor expansion of (* z y) in y
0.293 * [taylor]: Taking taylor expansion of z in y
0.293 * [backup-simplify]: Simplify z into z
0.293 * [taylor]: Taking taylor expansion of y in y
0.293 * [backup-simplify]: Simplify 0 into 0
0.293 * [backup-simplify]: Simplify 1 into 1
0.293 * [taylor]: Taking taylor expansion of (- x (* 4.0 (* z y))) in x
0.293 * [taylor]: Taking taylor expansion of x in x
0.293 * [backup-simplify]: Simplify 0 into 0
0.293 * [backup-simplify]: Simplify 1 into 1
0.293 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in x
0.293 * [taylor]: Taking taylor expansion of 4.0 in x
0.293 * [backup-simplify]: Simplify 4.0 into 4.0
0.293 * [taylor]: Taking taylor expansion of (* z y) in x
0.293 * [taylor]: Taking taylor expansion of z in x
0.293 * [backup-simplify]: Simplify z into z
0.293 * [taylor]: Taking taylor expansion of y in x
0.293 * [backup-simplify]: Simplify y into y
0.293 * [taylor]: Taking taylor expansion of (- x (* 4.0 (* z y))) in x
0.293 * [taylor]: Taking taylor expansion of x in x
0.293 * [backup-simplify]: Simplify 0 into 0
0.293 * [backup-simplify]: Simplify 1 into 1
0.293 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in x
0.293 * [taylor]: Taking taylor expansion of 4.0 in x
0.293 * [backup-simplify]: Simplify 4.0 into 4.0
0.293 * [taylor]: Taking taylor expansion of (* z y) in x
0.293 * [taylor]: Taking taylor expansion of z in x
0.293 * [backup-simplify]: Simplify z into z
0.293 * [taylor]: Taking taylor expansion of y in x
0.294 * [backup-simplify]: Simplify y into y
0.294 * [backup-simplify]: Simplify (* z y) into (* z y)
0.294 * [backup-simplify]: Simplify (* 4.0 (* z y)) into (* 4.0 (* z y))
0.294 * [backup-simplify]: Simplify (- (* 4.0 (* z y))) into (- (* 4.0 (* z y)))
0.294 * [backup-simplify]: Simplify (+ 0 (- (* 4.0 (* z y)))) into (- (* 4.0 (* z y)))
0.294 * [taylor]: Taking taylor expansion of (- (* 4.0 (* z y))) in y
0.294 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in y
0.295 * [taylor]: Taking taylor expansion of 4.0 in y
0.295 * [backup-simplify]: Simplify 4.0 into 4.0
0.295 * [taylor]: Taking taylor expansion of (* z y) in y
0.295 * [taylor]: Taking taylor expansion of z in y
0.295 * [backup-simplify]: Simplify z into z
0.295 * [taylor]: Taking taylor expansion of y in y
0.295 * [backup-simplify]: Simplify 0 into 0
0.295 * [backup-simplify]: Simplify 1 into 1
0.295 * [backup-simplify]: Simplify (* z 0) into 0
0.295 * [backup-simplify]: Simplify (* 4.0 0) into 0
0.296 * [backup-simplify]: Simplify (- 0) into 0
0.296 * [taylor]: Taking taylor expansion of 0 in z
0.296 * [backup-simplify]: Simplify 0 into 0
0.296 * [backup-simplify]: Simplify 0 into 0
0.296 * [backup-simplify]: Simplify (+ (* z 0) (* 0 y)) into 0
0.297 * [backup-simplify]: Simplify (+ (* 4.0 0) (* 0 (* z y))) into 0
0.297 * [backup-simplify]: Simplify (- 0) into 0
0.298 * [backup-simplify]: Simplify (+ 1 0) into 1
0.298 * [taylor]: Taking taylor expansion of 1 in y
0.298 * [backup-simplify]: Simplify 1 into 1
0.298 * [taylor]: Taking taylor expansion of 1 in z
0.298 * [backup-simplify]: Simplify 1 into 1
0.298 * [backup-simplify]: Simplify 1 into 1
0.298 * [backup-simplify]: Simplify (+ (* z 1) (* 0 0)) into z
0.299 * [backup-simplify]: Simplify (+ (* 4.0 z) (* 0 0)) into (* 4.0 z)
0.299 * [backup-simplify]: Simplify (- (* 4.0 z)) into (- (* 4.0 z))
0.299 * [taylor]: Taking taylor expansion of (- (* 4.0 z)) in z
0.299 * [taylor]: Taking taylor expansion of (* 4.0 z) in z
0.299 * [taylor]: Taking taylor expansion of 4.0 in z
0.299 * [backup-simplify]: Simplify 4.0 into 4.0
0.299 * [taylor]: Taking taylor expansion of z in z
0.299 * [backup-simplify]: Simplify 0 into 0
0.299 * [backup-simplify]: Simplify 1 into 1
0.299 * [backup-simplify]: Simplify (* 4.0 0) into 0
0.300 * [backup-simplify]: Simplify (- 0) into 0
0.300 * [backup-simplify]: Simplify 0 into 0
0.300 * [backup-simplify]: Simplify 0 into 0
0.301 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (* 0 y))) into 0
0.302 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (* 0 (* z y)))) into 0
0.302 * [backup-simplify]: Simplify (- 0) into 0
0.302 * [backup-simplify]: Simplify (+ 0 0) into 0
0.302 * [taylor]: Taking taylor expansion of 0 in y
0.302 * [backup-simplify]: Simplify 0 into 0
0.302 * [taylor]: Taking taylor expansion of 0 in z
0.302 * [backup-simplify]: Simplify 0 into 0
0.302 * [backup-simplify]: Simplify 0 into 0
0.302 * [taylor]: Taking taylor expansion of 0 in z
0.303 * [backup-simplify]: Simplify 0 into 0
0.303 * [backup-simplify]: Simplify 0 into 0
0.303 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 1) (* 0 0))) into 0
0.304 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 z) (* 0 0))) into 0
0.305 * [backup-simplify]: Simplify (- 0) into 0
0.305 * [taylor]: Taking taylor expansion of 0 in z
0.305 * [backup-simplify]: Simplify 0 into 0
0.305 * [backup-simplify]: Simplify 0 into 0
0.305 * [backup-simplify]: Simplify 0 into 0
0.305 * [backup-simplify]: Simplify (* 1 (* 1 (* 1 x))) into x
0.305 * [backup-simplify]: Simplify (- (/ 1 x) (* (* (/ 1 y) 4.0) (/ 1 z))) into (- (/ 1 x) (* 4.0 (/ 1 (* z y))))
0.305 * [approximate]: Taking taylor expansion of (- (/ 1 x) (* 4.0 (/ 1 (* z y)))) in (x y z) around 0
0.305 * [taylor]: Taking taylor expansion of (- (/ 1 x) (* 4.0 (/ 1 (* z y)))) in z
0.305 * [taylor]: Taking taylor expansion of (/ 1 x) in z
0.305 * [taylor]: Taking taylor expansion of x in z
0.305 * [backup-simplify]: Simplify x into x
0.306 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.306 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in z
0.306 * [taylor]: Taking taylor expansion of 4.0 in z
0.306 * [backup-simplify]: Simplify 4.0 into 4.0
0.306 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in z
0.306 * [taylor]: Taking taylor expansion of (* z y) in z
0.306 * [taylor]: Taking taylor expansion of z in z
0.306 * [backup-simplify]: Simplify 0 into 0
0.306 * [backup-simplify]: Simplify 1 into 1
0.306 * [taylor]: Taking taylor expansion of y in z
0.306 * [backup-simplify]: Simplify y into y
0.306 * [backup-simplify]: Simplify (* 0 y) into 0
0.306 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
0.306 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.307 * [taylor]: Taking taylor expansion of (- (/ 1 x) (* 4.0 (/ 1 (* z y)))) in y
0.307 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.307 * [taylor]: Taking taylor expansion of x in y
0.307 * [backup-simplify]: Simplify x into x
0.307 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.307 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in y
0.307 * [taylor]: Taking taylor expansion of 4.0 in y
0.307 * [backup-simplify]: Simplify 4.0 into 4.0
0.307 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in y
0.307 * [taylor]: Taking taylor expansion of (* z y) in y
0.307 * [taylor]: Taking taylor expansion of z in y
0.307 * [backup-simplify]: Simplify z into z
0.307 * [taylor]: Taking taylor expansion of y in y
0.307 * [backup-simplify]: Simplify 0 into 0
0.307 * [backup-simplify]: Simplify 1 into 1
0.307 * [backup-simplify]: Simplify (* z 0) into 0
0.307 * [backup-simplify]: Simplify (+ (* z 1) (* 0 0)) into z
0.308 * [backup-simplify]: Simplify (/ 1 z) into (/ 1 z)
0.308 * [taylor]: Taking taylor expansion of (- (/ 1 x) (* 4.0 (/ 1 (* z y)))) in x
0.308 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.308 * [taylor]: Taking taylor expansion of x in x
0.308 * [backup-simplify]: Simplify 0 into 0
0.308 * [backup-simplify]: Simplify 1 into 1
0.308 * [backup-simplify]: Simplify (/ 1 1) into 1
0.308 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in x
0.308 * [taylor]: Taking taylor expansion of 4.0 in x
0.308 * [backup-simplify]: Simplify 4.0 into 4.0
0.308 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in x
0.308 * [taylor]: Taking taylor expansion of (* z y) in x
0.308 * [taylor]: Taking taylor expansion of z in x
0.308 * [backup-simplify]: Simplify z into z
0.308 * [taylor]: Taking taylor expansion of y in x
0.308 * [backup-simplify]: Simplify y into y
0.308 * [backup-simplify]: Simplify (* z y) into (* z y)
0.309 * [backup-simplify]: Simplify (/ 1 (* z y)) into (/ 1 (* z y))
0.309 * [taylor]: Taking taylor expansion of (- (/ 1 x) (* 4.0 (/ 1 (* z y)))) in x
0.309 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.309 * [taylor]: Taking taylor expansion of x in x
0.309 * [backup-simplify]: Simplify 0 into 0
0.309 * [backup-simplify]: Simplify 1 into 1
0.309 * [backup-simplify]: Simplify (/ 1 1) into 1
0.309 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in x
0.309 * [taylor]: Taking taylor expansion of 4.0 in x
0.309 * [backup-simplify]: Simplify 4.0 into 4.0
0.309 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in x
0.309 * [taylor]: Taking taylor expansion of (* z y) in x
0.309 * [taylor]: Taking taylor expansion of z in x
0.309 * [backup-simplify]: Simplify z into z
0.309 * [taylor]: Taking taylor expansion of y in x
0.309 * [backup-simplify]: Simplify y into y
0.310 * [backup-simplify]: Simplify (* z y) into (* z y)
0.310 * [backup-simplify]: Simplify (/ 1 (* z y)) into (/ 1 (* z y))
0.310 * [backup-simplify]: Simplify (+ 1 0) into 1
0.310 * [taylor]: Taking taylor expansion of 1 in y
0.310 * [backup-simplify]: Simplify 1 into 1
0.311 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.311 * [backup-simplify]: Simplify (* 4.0 (/ 1 (* z y))) into (/ 4.0 (* z y))
0.312 * [backup-simplify]: Simplify (- (/ 4.0 (* z y))) into (- (* 4.0 (/ 1 (* z y))))
0.312 * [backup-simplify]: Simplify (+ 0 (- (* 4.0 (/ 1 (* z y))))) into (- (* 4.0 (/ 1 (* z y))))
0.312 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 (* z y)))) in y
0.312 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in y
0.312 * [taylor]: Taking taylor expansion of 4.0 in y
0.312 * [backup-simplify]: Simplify 4.0 into 4.0
0.312 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in y
0.312 * [taylor]: Taking taylor expansion of (* z y) in y
0.312 * [taylor]: Taking taylor expansion of z in y
0.312 * [backup-simplify]: Simplify z into z
0.312 * [taylor]: Taking taylor expansion of y in y
0.312 * [backup-simplify]: Simplify 0 into 0
0.312 * [backup-simplify]: Simplify 1 into 1
0.312 * [backup-simplify]: Simplify (* z 0) into 0
0.313 * [backup-simplify]: Simplify (+ (* z 1) (* 0 0)) into z
0.313 * [backup-simplify]: Simplify (/ 1 z) into (/ 1 z)
0.313 * [backup-simplify]: Simplify (* 4.0 (/ 1 z)) into (/ 4.0 z)
0.313 * [backup-simplify]: Simplify (- (/ 4.0 z)) into (- (* 4.0 (/ 1 z)))
0.313 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 z))) in z
0.313 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 z)) in z
0.313 * [taylor]: Taking taylor expansion of 4.0 in z
0.313 * [backup-simplify]: Simplify 4.0 into 4.0
0.313 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.313 * [taylor]: Taking taylor expansion of z in z
0.313 * [backup-simplify]: Simplify 0 into 0
0.314 * [backup-simplify]: Simplify 1 into 1
0.314 * [backup-simplify]: Simplify (/ 1 1) into 1
0.314 * [backup-simplify]: Simplify (* 4.0 1) into 4.0
0.315 * [backup-simplify]: Simplify (- 4.0) into (- 4.0)
0.315 * [backup-simplify]: Simplify (- 4.0) into (- 4.0)
0.315 * [taylor]: Taking taylor expansion of 1 in z
0.315 * [backup-simplify]: Simplify 1 into 1
0.316 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.316 * [backup-simplify]: Simplify (+ (* z 0) (* 0 y)) into 0
0.317 * [backup-simplify]: Simplify (- (+ (* (/ 1 (* z y)) (/ 0 (* z y))))) into 0
0.318 * [backup-simplify]: Simplify (+ (* 4.0 0) (* 0 (/ 1 (* z y)))) into 0
0.318 * [backup-simplify]: Simplify (- 0) into 0
0.319 * [backup-simplify]: Simplify (+ 0 0) into 0
0.319 * [taylor]: Taking taylor expansion of 0 in y
0.319 * [backup-simplify]: Simplify 0 into 0
0.319 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 1) (* 0 0))) into 0
0.320 * [backup-simplify]: Simplify (- (+ (* (/ 1 z) (/ 0 z)))) into 0
0.320 * [backup-simplify]: Simplify (+ (* 4.0 0) (* 0 (/ 1 z))) into 0
0.321 * [backup-simplify]: Simplify (- 0) into 0
0.321 * [taylor]: Taking taylor expansion of 0 in z
0.321 * [backup-simplify]: Simplify 0 into 0
0.321 * [taylor]: Taking taylor expansion of 0 in z
0.321 * [backup-simplify]: Simplify 0 into 0
0.322 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.323 * [backup-simplify]: Simplify (+ (* 4.0 0) (* 0 1)) into 0
0.323 * [backup-simplify]: Simplify (- 0) into 0
0.323 * [backup-simplify]: Simplify 0 into 0
0.323 * [backup-simplify]: Simplify 1 into 1
0.324 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.325 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (* 0 y))) into 0
0.326 * [backup-simplify]: Simplify (- (+ (* (/ 1 (* z y)) (/ 0 (* z y))) (* 0 (/ 0 (* z y))))) into 0
0.327 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (* 0 (/ 1 (* z y))))) into 0
0.327 * [backup-simplify]: Simplify (- 0) into 0
0.328 * [backup-simplify]: Simplify (+ 0 0) into 0
0.328 * [taylor]: Taking taylor expansion of 0 in y
0.328 * [backup-simplify]: Simplify 0 into 0
0.328 * [taylor]: Taking taylor expansion of 0 in z
0.328 * [backup-simplify]: Simplify 0 into 0
0.329 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
0.329 * [backup-simplify]: Simplify (- (+ (* (/ 1 z) (/ 0 z)) (* 0 (/ 0 z)))) into 0
0.331 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (* 0 (/ 1 z)))) into 0
0.331 * [backup-simplify]: Simplify (- 0) into 0
0.331 * [taylor]: Taking taylor expansion of 0 in z
0.331 * [backup-simplify]: Simplify 0 into 0
0.331 * [taylor]: Taking taylor expansion of 0 in z
0.331 * [backup-simplify]: Simplify 0 into 0
0.331 * [backup-simplify]: Simplify 0 into 0
0.331 * [backup-simplify]: Simplify 0 into 0
0.332 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.333 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (* 0 1))) into 0
0.334 * [backup-simplify]: Simplify (- 0) into 0
0.334 * [backup-simplify]: Simplify 0 into 0
0.334 * [backup-simplify]: Simplify 0 into 0
0.339 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.341 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))) into 0
0.342 * [backup-simplify]: Simplify (- (+ (* (/ 1 (* z y)) (/ 0 (* z y))) (* 0 (/ 0 (* z y))) (* 0 (/ 0 (* z y))))) into 0
0.344 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 (* z y)))))) into 0
0.344 * [backup-simplify]: Simplify (- 0) into 0
0.345 * [backup-simplify]: Simplify (+ 0 0) into 0
0.345 * [taylor]: Taking taylor expansion of 0 in y
0.345 * [backup-simplify]: Simplify 0 into 0
0.345 * [taylor]: Taking taylor expansion of 0 in z
0.345 * [backup-simplify]: Simplify 0 into 0
0.345 * [taylor]: Taking taylor expansion of 0 in z
0.345 * [backup-simplify]: Simplify 0 into 0
0.346 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))) into 0
0.346 * [backup-simplify]: Simplify (- (+ (* (/ 1 z) (/ 0 z)) (* 0 (/ 0 z)) (* 0 (/ 0 z)))) into 0
0.348 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 z))))) into 0
0.348 * [backup-simplify]: Simplify (- 0) into 0
0.349 * [taylor]: Taking taylor expansion of 0 in z
0.349 * [backup-simplify]: Simplify 0 into 0
0.349 * [taylor]: Taking taylor expansion of 0 in z
0.349 * [backup-simplify]: Simplify 0 into 0
0.349 * [backup-simplify]: Simplify 0 into 0
0.349 * [backup-simplify]: Simplify 0 into 0
0.350 * [backup-simplify]: Simplify (+ (* 1 (* 1 (* 1 (/ 1 (/ 1 x))))) (* (- 4.0) (* (/ 1 (/ 1 z)) (* (/ 1 (/ 1 y)) 1)))) into (- x (* 4.0 (* z y)))
0.351 * [backup-simplify]: Simplify (- (/ 1 (- x)) (* (* (/ 1 (- y)) 4.0) (/ 1 (- z)))) into (- (+ (* 4.0 (/ 1 (* z y))) (/ 1 x)))
0.351 * [approximate]: Taking taylor expansion of (- (+ (* 4.0 (/ 1 (* z y))) (/ 1 x))) in (x y z) around 0
0.351 * [taylor]: Taking taylor expansion of (- (+ (* 4.0 (/ 1 (* z y))) (/ 1 x))) in z
0.351 * [taylor]: Taking taylor expansion of (+ (* 4.0 (/ 1 (* z y))) (/ 1 x)) in z
0.351 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in z
0.351 * [taylor]: Taking taylor expansion of 4.0 in z
0.351 * [backup-simplify]: Simplify 4.0 into 4.0
0.351 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in z
0.351 * [taylor]: Taking taylor expansion of (* z y) in z
0.351 * [taylor]: Taking taylor expansion of z in z
0.351 * [backup-simplify]: Simplify 0 into 0
0.351 * [backup-simplify]: Simplify 1 into 1
0.351 * [taylor]: Taking taylor expansion of y in z
0.351 * [backup-simplify]: Simplify y into y
0.351 * [backup-simplify]: Simplify (* 0 y) into 0
0.352 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
0.352 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.352 * [taylor]: Taking taylor expansion of (/ 1 x) in z
0.352 * [taylor]: Taking taylor expansion of x in z
0.352 * [backup-simplify]: Simplify x into x
0.352 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.352 * [taylor]: Taking taylor expansion of (- (+ (* 4.0 (/ 1 (* z y))) (/ 1 x))) in y
0.352 * [taylor]: Taking taylor expansion of (+ (* 4.0 (/ 1 (* z y))) (/ 1 x)) in y
0.352 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in y
0.352 * [taylor]: Taking taylor expansion of 4.0 in y
0.352 * [backup-simplify]: Simplify 4.0 into 4.0
0.352 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in y
0.352 * [taylor]: Taking taylor expansion of (* z y) in y
0.352 * [taylor]: Taking taylor expansion of z in y
0.352 * [backup-simplify]: Simplify z into z
0.353 * [taylor]: Taking taylor expansion of y in y
0.353 * [backup-simplify]: Simplify 0 into 0
0.353 * [backup-simplify]: Simplify 1 into 1
0.353 * [backup-simplify]: Simplify (* z 0) into 0
0.353 * [backup-simplify]: Simplify (+ (* z 1) (* 0 0)) into z
0.353 * [backup-simplify]: Simplify (/ 1 z) into (/ 1 z)
0.353 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.353 * [taylor]: Taking taylor expansion of x in y
0.353 * [backup-simplify]: Simplify x into x
0.353 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.353 * [taylor]: Taking taylor expansion of (- (+ (* 4.0 (/ 1 (* z y))) (/ 1 x))) in x
0.353 * [taylor]: Taking taylor expansion of (+ (* 4.0 (/ 1 (* z y))) (/ 1 x)) in x
0.354 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in x
0.354 * [taylor]: Taking taylor expansion of 4.0 in x
0.354 * [backup-simplify]: Simplify 4.0 into 4.0
0.354 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in x
0.354 * [taylor]: Taking taylor expansion of (* z y) in x
0.354 * [taylor]: Taking taylor expansion of z in x
0.354 * [backup-simplify]: Simplify z into z
0.354 * [taylor]: Taking taylor expansion of y in x
0.354 * [backup-simplify]: Simplify y into y
0.354 * [backup-simplify]: Simplify (* z y) into (* z y)
0.354 * [backup-simplify]: Simplify (/ 1 (* z y)) into (/ 1 (* z y))
0.354 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.354 * [taylor]: Taking taylor expansion of x in x
0.354 * [backup-simplify]: Simplify 0 into 0
0.354 * [backup-simplify]: Simplify 1 into 1
0.355 * [backup-simplify]: Simplify (/ 1 1) into 1
0.355 * [taylor]: Taking taylor expansion of (- (+ (* 4.0 (/ 1 (* z y))) (/ 1 x))) in x
0.355 * [taylor]: Taking taylor expansion of (+ (* 4.0 (/ 1 (* z y))) (/ 1 x)) in x
0.355 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in x
0.355 * [taylor]: Taking taylor expansion of 4.0 in x
0.355 * [backup-simplify]: Simplify 4.0 into 4.0
0.355 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in x
0.355 * [taylor]: Taking taylor expansion of (* z y) in x
0.355 * [taylor]: Taking taylor expansion of z in x
0.355 * [backup-simplify]: Simplify z into z
0.355 * [taylor]: Taking taylor expansion of y in x
0.355 * [backup-simplify]: Simplify y into y
0.355 * [backup-simplify]: Simplify (* z y) into (* z y)
0.355 * [backup-simplify]: Simplify (/ 1 (* z y)) into (/ 1 (* z y))
0.355 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.355 * [taylor]: Taking taylor expansion of x in x
0.355 * [backup-simplify]: Simplify 0 into 0
0.355 * [backup-simplify]: Simplify 1 into 1
0.356 * [backup-simplify]: Simplify (/ 1 1) into 1
0.356 * [backup-simplify]: Simplify (+ 0 1) into 1
0.357 * [backup-simplify]: Simplify (- 1) into -1
0.357 * [taylor]: Taking taylor expansion of -1 in y
0.357 * [backup-simplify]: Simplify -1 into -1
0.357 * [backup-simplify]: Simplify (* 4.0 (/ 1 (* z y))) into (/ 4.0 (* z y))
0.358 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.358 * [backup-simplify]: Simplify (+ (/ 4.0 (* z y)) 0) into (* 4.0 (/ 1 (* z y)))
0.358 * [backup-simplify]: Simplify (- (* 4.0 (/ 1 (* z y)))) into (- (* 4.0 (/ 1 (* z y))))
0.358 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 (* z y)))) in y
0.358 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in y
0.359 * [taylor]: Taking taylor expansion of 4.0 in y
0.359 * [backup-simplify]: Simplify 4.0 into 4.0
0.359 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in y
0.359 * [taylor]: Taking taylor expansion of (* z y) in y
0.359 * [taylor]: Taking taylor expansion of z in y
0.359 * [backup-simplify]: Simplify z into z
0.359 * [taylor]: Taking taylor expansion of y in y
0.359 * [backup-simplify]: Simplify 0 into 0
0.359 * [backup-simplify]: Simplify 1 into 1
0.359 * [backup-simplify]: Simplify (* z 0) into 0
0.359 * [backup-simplify]: Simplify (+ (* z 1) (* 0 0)) into z
0.359 * [backup-simplify]: Simplify (/ 1 z) into (/ 1 z)
0.360 * [backup-simplify]: Simplify (* 4.0 (/ 1 z)) into (/ 4.0 z)
0.360 * [backup-simplify]: Simplify (- (/ 4.0 z)) into (- (* 4.0 (/ 1 z)))
0.360 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 z))) in z
0.360 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 z)) in z
0.360 * [taylor]: Taking taylor expansion of 4.0 in z
0.360 * [backup-simplify]: Simplify 4.0 into 4.0
0.360 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.360 * [taylor]: Taking taylor expansion of z in z
0.360 * [backup-simplify]: Simplify 0 into 0
0.360 * [backup-simplify]: Simplify 1 into 1
0.360 * [backup-simplify]: Simplify (/ 1 1) into 1
0.361 * [backup-simplify]: Simplify (* 4.0 1) into 4.0
0.361 * [backup-simplify]: Simplify (- 4.0) into (- 4.0)
0.362 * [backup-simplify]: Simplify (- 4.0) into (- 4.0)
0.362 * [taylor]: Taking taylor expansion of -1 in z
0.362 * [backup-simplify]: Simplify -1 into -1
0.362 * [backup-simplify]: Simplify (+ (* z 0) (* 0 y)) into 0
0.362 * [backup-simplify]: Simplify (- (+ (* (/ 1 (* z y)) (/ 0 (* z y))))) into 0
0.363 * [backup-simplify]: Simplify (+ (* 4.0 0) (* 0 (/ 1 (* z y)))) into 0
0.364 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.364 * [backup-simplify]: Simplify (+ 0 0) into 0
0.365 * [backup-simplify]: Simplify (- 0) into 0
0.365 * [taylor]: Taking taylor expansion of 0 in y
0.365 * [backup-simplify]: Simplify 0 into 0
0.366 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 1) (* 0 0))) into 0
0.366 * [backup-simplify]: Simplify (- (+ (* (/ 1 z) (/ 0 z)))) into 0
0.366 * [backup-simplify]: Simplify (+ (* 4.0 0) (* 0 (/ 1 z))) into 0
0.367 * [backup-simplify]: Simplify (- 0) into 0
0.367 * [taylor]: Taking taylor expansion of 0 in z
0.367 * [backup-simplify]: Simplify 0 into 0
0.367 * [taylor]: Taking taylor expansion of 0 in z
0.367 * [backup-simplify]: Simplify 0 into 0
0.368 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.368 * [backup-simplify]: Simplify (+ (* 4.0 0) (* 0 1)) into 0
0.369 * [backup-simplify]: Simplify (- 0) into 0
0.369 * [backup-simplify]: Simplify 0 into 0
0.369 * [backup-simplify]: Simplify -1 into -1
0.370 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (* 0 y))) into 0
0.370 * [backup-simplify]: Simplify (- (+ (* (/ 1 (* z y)) (/ 0 (* z y))) (* 0 (/ 0 (* z y))))) into 0
0.371 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (* 0 (/ 1 (* z y))))) into 0
0.372 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.373 * [backup-simplify]: Simplify (+ 0 0) into 0
0.373 * [backup-simplify]: Simplify (- 0) into 0
0.373 * [taylor]: Taking taylor expansion of 0 in y
0.373 * [backup-simplify]: Simplify 0 into 0
0.373 * [taylor]: Taking taylor expansion of 0 in z
0.373 * [backup-simplify]: Simplify 0 into 0
0.374 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
0.375 * [backup-simplify]: Simplify (- (+ (* (/ 1 z) (/ 0 z)) (* 0 (/ 0 z)))) into 0
0.376 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (* 0 (/ 1 z)))) into 0
0.376 * [backup-simplify]: Simplify (- 0) into 0
0.376 * [taylor]: Taking taylor expansion of 0 in z
0.376 * [backup-simplify]: Simplify 0 into 0
0.376 * [taylor]: Taking taylor expansion of 0 in z
0.376 * [backup-simplify]: Simplify 0 into 0
0.376 * [backup-simplify]: Simplify 0 into 0
0.376 * [backup-simplify]: Simplify 0 into 0
0.378 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.379 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (* 0 1))) into 0
0.379 * [backup-simplify]: Simplify (- 0) into 0
0.379 * [backup-simplify]: Simplify 0 into 0
0.379 * [backup-simplify]: Simplify 0 into 0
0.380 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))) into 0
0.381 * [backup-simplify]: Simplify (- (+ (* (/ 1 (* z y)) (/ 0 (* z y))) (* 0 (/ 0 (* z y))) (* 0 (/ 0 (* z y))))) into 0
0.383 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 (* z y)))))) into 0
0.384 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.384 * [backup-simplify]: Simplify (+ 0 0) into 0
0.385 * [backup-simplify]: Simplify (- 0) into 0
0.385 * [taylor]: Taking taylor expansion of 0 in y
0.385 * [backup-simplify]: Simplify 0 into 0
0.385 * [taylor]: Taking taylor expansion of 0 in z
0.385 * [backup-simplify]: Simplify 0 into 0
0.385 * [taylor]: Taking taylor expansion of 0 in z
0.385 * [backup-simplify]: Simplify 0 into 0
0.386 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))) into 0
0.387 * [backup-simplify]: Simplify (- (+ (* (/ 1 z) (/ 0 z)) (* 0 (/ 0 z)) (* 0 (/ 0 z)))) into 0
0.388 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 z))))) into 0
0.388 * [backup-simplify]: Simplify (- 0) into 0
0.388 * [taylor]: Taking taylor expansion of 0 in z
0.388 * [backup-simplify]: Simplify 0 into 0
0.388 * [taylor]: Taking taylor expansion of 0 in z
0.388 * [backup-simplify]: Simplify 0 into 0
0.388 * [backup-simplify]: Simplify 0 into 0
0.389 * [backup-simplify]: Simplify 0 into 0
0.390 * [backup-simplify]: Simplify (+ (* -1 (* 1 (* 1 (/ 1 (/ 1 (- x)))))) (* (- 4.0) (* (/ 1 (/ 1 (- z))) (* (/ 1 (/ 1 (- y))) 1)))) into (- x (* 4.0 (* z y)))
0.390 * * * [progress]: simplifying candidates
0.390 * * * * [progress]: [ 1 / 16 ] simplifiying candidate #<alt (λ (x y z) (posit16->real (real->posit16 (- x (* (* y 4.0) z)))))>
0.390 * * * * [progress]: [ 2 / 16 ] simplifiying candidate #<alt (λ (x y z) (log (/ (exp x) (exp (* (* y 4.0) z)))))>
0.391 * * * * [progress]: [ 3 / 16 ] simplifiying candidate #<alt (λ (x y z) (pow (- x (* (* y 4.0) z)) 1))>
0.391 * * * * [progress]: [ 4 / 16 ] simplifiying candidate #<alt (λ (x y z) (exp (log (- x (* (* y 4.0) z)))))>
0.391 * * * * [progress]: [ 5 / 16 ] simplifiying candidate #<alt (λ (x y z) (log (exp (- x (* (* y 4.0) z)))))>
0.391 * * * * [progress]: [ 6 / 16 ] simplifiying candidate #<alt (λ (x y z) (* (* (cbrt (- x (* (* y 4.0) z))) (cbrt (- x (* (* y 4.0) z)))) (cbrt (- x (* (* y 4.0) z)))))>
0.391 * * * * [progress]: [ 7 / 16 ] simplifiying candidate #<alt (λ (x y z) (cbrt (* (* (- x (* (* y 4.0) z)) (- x (* (* y 4.0) z))) (- x (* (* y 4.0) z)))))>
0.391 * * * * [progress]: [ 8 / 16 ] simplifiying candidate #<alt (λ (x y z) (* (sqrt (- x (* (* y 4.0) z))) (sqrt (- x (* (* y 4.0) z)))))>
0.391 * * * * [progress]: [ 9 / 16 ] simplifiying candidate #<alt (λ (x y z) (/ (- (pow x 3) (pow (* (* y 4.0) z) 3)) (+ (* x x) (+ (* (* (* y 4.0) z) (* (* y 4.0) z)) (* x (* (* y 4.0) z))))))>
0.391 * * * * [progress]: [ 10 / 16 ] simplifiying candidate #<alt (λ (x y z) (+ x (- (* (* y 4.0) z))))>
0.391 * * * * [progress]: [ 11 / 16 ] simplifiying candidate #<alt (λ (x y z) (* 1 (- x (* (* y 4.0) z))))>
0.391 * * * * [progress]: [ 12 / 16 ] simplifiying candidate #<alt (λ (x y z) (/ (- (* x x) (* (* (* y 4.0) z) (* (* y 4.0) z))) (+ x (* (* y 4.0) z))))>
0.391 * * * * [progress]: [ 13 / 16 ] simplifiying candidate #<alt (λ (x y z) (+ x (- (* (* y 4.0) z))))>
0.391 * * * * [progress]: [ 14 / 16 ] simplifiying candidate #<alt (λ (x y z) x)>
0.391 * * * * [progress]: [ 15 / 16 ] simplifiying candidate #<alt (λ (x y z) (- x (* 4.0 (* z y))))>
0.391 * * * * [progress]: [ 16 / 16 ] simplifiying candidate #<alt (λ (x y z) (- x (* 4.0 (* z y))))>
0.392 * [simplify]: Simplifying:
  (real->posit16 (- x (* (* y 4.0) z)))
  (/ (exp x) (exp (* (* y 4.0) z)))
  (log (- x (* (* y 4.0) z)))
  (exp (- x (* (* y 4.0) z)))
  (* (cbrt (- x (* (* y 4.0) z))) (cbrt (- x (* (* y 4.0) z))))
  (cbrt (- x (* (* y 4.0) z)))
  (* (* (- x (* (* y 4.0) z)) (- x (* (* y 4.0) z))) (- x (* (* y 4.0) z)))
  (sqrt (- x (* (* y 4.0) z)))
  (sqrt (- x (* (* y 4.0) z)))
  (- (pow x 3) (pow (* (* y 4.0) z) 3))
  (+ (* x x) (+ (* (* (* y 4.0) z) (* (* y 4.0) z)) (* x (* (* y 4.0) z))))
  (- (* (* y 4.0) z))
  (- (* x x) (* (* (* y 4.0) z) (* (* y 4.0) z)))
  (+ x (* (* y 4.0) z))
  (- (* (* y 4.0) z))
  x
  (- x (* 4.0 (* z y)))
  (- x (* 4.0 (* z y)))
0.393 * * [simplify]: iteration 0: 33 enodes
0.429 * * [simplify]: iteration 1: 85 enodes
0.551 * * [simplify]: iteration 2: 272 enodes
0.961 * * [simplify]: iteration 3: 1161 enodes
4.882 * * [simplify]: iteration 4: 4876 enodes
10.057 * * [simplify]: iteration complete: 5000 enodes
10.057 * * [simplify]: Extracting #0: cost 14 inf + 0
10.057 * * [simplify]: Extracting #1: cost 104 inf + 1
10.059 * * [simplify]: Extracting #2: cost 575 inf + 1217
10.073 * * [simplify]: Extracting #3: cost 721 inf + 34551
10.125 * * [simplify]: Extracting #4: cost 171 inf + 161619
10.230 * * [simplify]: Extracting #5: cost 24 inf + 219551
10.339 * * [simplify]: Extracting #6: cost 2 inf + 230655
10.402 * * [simplify]: Extracting #7: cost 0 inf + 231381
10.476 * [simplify]: Simplified to:
  (real->posit16 (- x (* (* 4.0 y) z)))
  (exp (- x (* (* 4.0 y) z)))
  (log (- x (* (* 4.0 y) z)))
  (exp (- x (* (* 4.0 y) z)))
  (* (cbrt (- x (* (* 4.0 y) z))) (cbrt (- x (* (* 4.0 y) z))))
  (cbrt (- x (* (* 4.0 y) z)))
  (* (* (- x (* (* 4.0 y) z)) (- x (* (* 4.0 y) z))) (- x (* (* 4.0 y) z)))
  (sqrt (- x (* (* 4.0 y) z)))
  (sqrt (- x (* (* 4.0 y) z)))
  (- (* x (* x x)) (* (* (* (* 4.0 y) z) (* (* 4.0 y) z)) (* (* 4.0 y) z)))
  (+ (* (* (* 4.0 y) z) (+ (* (* 4.0 y) z) x)) (* x x))
  (* z (- (* 4.0 y)))
  (* (- x (* (* 4.0 y) z)) (+ (* (* 4.0 y) z) x))
  (+ (* (* 4.0 y) z) x)
  (* z (- (* 4.0 y)))
  x
  (- x (* (* 4.0 y) z))
  (- x (* (* 4.0 y) z))
10.477 * * * [progress]: adding candidates to table
10.692 * [progress]: [Phase 3 of 3] Extracting.
10.700 * [simplify]: Simplifying:
  (- x (* (* y 4.0) z))
10.700 * * [simplify]: iteration 0: 7 enodes
10.702 * * [simplify]: iteration 1: 9 enodes
10.703 * * [simplify]: iteration complete: 9 enodes
10.703 * * [simplify]: Extracting #0: cost 1 inf + 0
10.703 * * [simplify]: Extracting #1: cost 3 inf + 0
10.703 * * [simplify]: Extracting #2: cost 4 inf + 1
10.703 * * [simplify]: Extracting #3: cost 5 inf + 2
10.703 * * [simplify]: Extracting #4: cost 0 inf + 253
10.703 * [simplify]: Simplified to:
  (- x (* (* 4.0 y) z))
12.689 * [regime-testing]: Baseline error score: 0.05420489592458072
12.735 * [regime-testing]: Oracle error score: 0.05420489592458072
12.736 * [regime-testing]: End program error score: 0.05420489592458072