34.962 * [progress]: [Phase 1 of 3] Setting up.
0.002 * * * [progress]: [1/2] Preparing points
0.020 * * * [progress]: [2/2] Setting up program.
0.025 * [progress]: [Phase 2 of 3] Improving.
0.025 * * * * [progress]: [ 1 / 1 ] simplifiying candidate #<alt (λ (x y) (sqrt (+ (* x x) (* y y))))>
0.025 * [simplify]: Simplifying:
  (sqrt (+ (* x x) (* y y)))
0.025 * * [simplify]: iteration 0: 6 enodes
0.027 * * [simplify]: iteration 1: 7 enodes
0.029 * * [simplify]: iteration complete: 7 enodes
0.029 * * [simplify]: Extracting #0: cost 1 inf + 0
0.029 * * [simplify]: Extracting #1: cost 2 inf + 0
0.029 * * [simplify]: Extracting #2: cost 4 inf + 0
0.029 * * [simplify]: Extracting #3: cost 6 inf + 0
0.030 * * [simplify]: Extracting #4: cost 3 inf + 43
0.030 * * [simplify]: Extracting #5: cost 0 inf + 368
0.030 * [simplify]: Simplified to:
  (sqrt (+ (* x x) (* y y)))
0.030 * * [progress]: iteration 1 / 4
0.030 * * * [progress]: picking best candidate
0.033 * * * * [pick]: Picked  #<alt (λ (x y) (sqrt (+ (* x x) (* y y))))>
0.033 * * * [progress]: localizing error
0.044 * * * [progress]: generating rewritten candidates
0.044 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.050 * * * [progress]: generating series expansions
0.050 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.051 * [backup-simplify]: Simplify (sqrt (+ (* x x) (* y y))) into (sqrt (+ (pow y 2) (pow x 2)))
0.051 * [approximate]: Taking taylor expansion of (sqrt (+ (pow y 2) (pow x 2))) in (x y) around 0
0.051 * [taylor]: Taking taylor expansion of (sqrt (+ (pow y 2) (pow x 2))) in y
0.051 * [taylor]: Taking taylor expansion of (+ (pow y 2) (pow x 2)) in y
0.051 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.051 * [taylor]: Taking taylor expansion of y in y
0.051 * [backup-simplify]: Simplify 0 into 0
0.051 * [backup-simplify]: Simplify 1 into 1
0.051 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.051 * [taylor]: Taking taylor expansion of x in y
0.051 * [backup-simplify]: Simplify x into x
0.051 * [backup-simplify]: Simplify (* x x) into (pow x 2)
0.051 * [backup-simplify]: Simplify (+ 0 (pow x 2)) into (pow x 2)
0.051 * [backup-simplify]: Simplify (sqrt (pow x 2)) into x
0.051 * [backup-simplify]: Simplify (+ (* x 0) (* 0 x)) into 0
0.052 * [backup-simplify]: Simplify (+ 0 0) into 0
0.052 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (pow x 2)))) into 0
0.052 * [taylor]: Taking taylor expansion of (sqrt (+ (pow y 2) (pow x 2))) in x
0.052 * [taylor]: Taking taylor expansion of (+ (pow y 2) (pow x 2)) in x
0.052 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.052 * [taylor]: Taking taylor expansion of y in x
0.052 * [backup-simplify]: Simplify y into y
0.052 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.052 * [taylor]: Taking taylor expansion of x in x
0.052 * [backup-simplify]: Simplify 0 into 0
0.052 * [backup-simplify]: Simplify 1 into 1
0.052 * [backup-simplify]: Simplify (* y y) into (pow y 2)
0.052 * [backup-simplify]: Simplify (+ (pow y 2) 0) into (pow y 2)
0.052 * [backup-simplify]: Simplify (sqrt (pow y 2)) into y
0.052 * [backup-simplify]: Simplify (+ (* y 0) (* 0 y)) into 0
0.052 * [backup-simplify]: Simplify (+ 0 0) into 0
0.052 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (pow y 2)))) into 0
0.052 * [taylor]: Taking taylor expansion of (sqrt (+ (pow y 2) (pow x 2))) in x
0.052 * [taylor]: Taking taylor expansion of (+ (pow y 2) (pow x 2)) in x
0.052 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.053 * [taylor]: Taking taylor expansion of y in x
0.053 * [backup-simplify]: Simplify y into y
0.053 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.053 * [taylor]: Taking taylor expansion of x in x
0.053 * [backup-simplify]: Simplify 0 into 0
0.053 * [backup-simplify]: Simplify 1 into 1
0.053 * [backup-simplify]: Simplify (* y y) into (pow y 2)
0.053 * [backup-simplify]: Simplify (+ (pow y 2) 0) into (pow y 2)
0.053 * [backup-simplify]: Simplify (sqrt (pow y 2)) into y
0.053 * [backup-simplify]: Simplify (+ (* y 0) (* 0 y)) into 0
0.053 * [backup-simplify]: Simplify (+ 0 0) into 0
0.053 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt (pow y 2)))) into 0
0.053 * [taylor]: Taking taylor expansion of y in y
0.053 * [backup-simplify]: Simplify 0 into 0
0.053 * [backup-simplify]: Simplify 1 into 1
0.053 * [backup-simplify]: Simplify 0 into 0
0.053 * [taylor]: Taking taylor expansion of 0 in y
0.053 * [backup-simplify]: Simplify 0 into 0
0.053 * [backup-simplify]: Simplify 0 into 0
0.053 * [backup-simplify]: Simplify 1 into 1
0.054 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (* 0 y))) into 0
0.054 * [backup-simplify]: Simplify (* 1 1) into 1
0.054 * [backup-simplify]: Simplify (+ 0 1) into 1
0.055 * [backup-simplify]: Simplify (/ (- 1 (pow 0 2) (+)) (* 2 y)) into (/ 1/2 y)
0.055 * [taylor]: Taking taylor expansion of (/ 1/2 y) in y
0.055 * [taylor]: Taking taylor expansion of 1/2 in y
0.055 * [backup-simplify]: Simplify 1/2 into 1/2
0.055 * [taylor]: Taking taylor expansion of y in y
0.055 * [backup-simplify]: Simplify 0 into 0
0.055 * [backup-simplify]: Simplify 1 into 1
0.055 * [backup-simplify]: Simplify (/ 1/2 1) into 1/2
0.056 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 1/2 (/ 0 1)))) into 0
0.056 * [backup-simplify]: Simplify 0 into 0
0.056 * [backup-simplify]: Simplify 0 into 0
0.056 * [backup-simplify]: Simplify 0 into 0
0.056 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))) into 0
0.057 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.057 * [backup-simplify]: Simplify (+ 0 0) into 0
0.057 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 (/ 1/2 y))))) (* 2 y)) into 0
0.057 * [taylor]: Taking taylor expansion of 0 in y
0.057 * [backup-simplify]: Simplify 0 into 0
0.057 * [backup-simplify]: Simplify 0 into 0
0.058 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 1/2 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.058 * [backup-simplify]: Simplify 0 into 0
0.058 * [backup-simplify]: Simplify 0 into 0
0.058 * [backup-simplify]: Simplify (* 1 (* y 1)) into y
0.058 * [backup-simplify]: Simplify (sqrt (+ (* (/ 1 x) (/ 1 x)) (* (/ 1 y) (/ 1 y)))) into (sqrt (+ (/ 1 (pow y 2)) (/ 1 (pow x 2))))
0.058 * [approximate]: Taking taylor expansion of (sqrt (+ (/ 1 (pow y 2)) (/ 1 (pow x 2)))) in (x y) around 0
0.058 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 (pow y 2)) (/ 1 (pow x 2)))) in y
0.058 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow y 2)) (/ 1 (pow x 2))) in y
0.058 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.058 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.058 * [taylor]: Taking taylor expansion of y in y
0.058 * [backup-simplify]: Simplify 0 into 0
0.058 * [backup-simplify]: Simplify 1 into 1
0.059 * [backup-simplify]: Simplify (* 1 1) into 1
0.059 * [backup-simplify]: Simplify (/ 1 1) into 1
0.059 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.059 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.059 * [taylor]: Taking taylor expansion of x in y
0.059 * [backup-simplify]: Simplify x into x
0.059 * [backup-simplify]: Simplify (* x x) into (pow x 2)
0.059 * [backup-simplify]: Simplify (/ 1 (pow x 2)) into (/ 1 (pow x 2))
0.060 * [backup-simplify]: Simplify (+ 1 0) into 1
0.060 * [backup-simplify]: Simplify (sqrt 1) into 1
0.060 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.061 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.062 * [backup-simplify]: Simplify (+ 0 0) into 0
0.062 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt 1))) into 0
0.062 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 (pow y 2)) (/ 1 (pow x 2)))) in x
0.062 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow y 2)) (/ 1 (pow x 2))) in x
0.062 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.062 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.062 * [taylor]: Taking taylor expansion of y in x
0.062 * [backup-simplify]: Simplify y into y
0.062 * [backup-simplify]: Simplify (* y y) into (pow y 2)
0.062 * [backup-simplify]: Simplify (/ 1 (pow y 2)) into (/ 1 (pow y 2))
0.062 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.062 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.063 * [taylor]: Taking taylor expansion of x in x
0.063 * [backup-simplify]: Simplify 0 into 0
0.063 * [backup-simplify]: Simplify 1 into 1
0.063 * [backup-simplify]: Simplify (* 1 1) into 1
0.063 * [backup-simplify]: Simplify (/ 1 1) into 1
0.064 * [backup-simplify]: Simplify (+ 0 1) into 1
0.064 * [backup-simplify]: Simplify (sqrt 1) into 1
0.073 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.075 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.075 * [backup-simplify]: Simplify (+ 0 0) into 0
0.076 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt 1))) into 0
0.076 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 (pow y 2)) (/ 1 (pow x 2)))) in x
0.076 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow y 2)) (/ 1 (pow x 2))) in x
0.076 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.076 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.076 * [taylor]: Taking taylor expansion of y in x
0.076 * [backup-simplify]: Simplify y into y
0.076 * [backup-simplify]: Simplify (* y y) into (pow y 2)
0.076 * [backup-simplify]: Simplify (/ 1 (pow y 2)) into (/ 1 (pow y 2))
0.076 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.076 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.076 * [taylor]: Taking taylor expansion of x in x
0.076 * [backup-simplify]: Simplify 0 into 0
0.076 * [backup-simplify]: Simplify 1 into 1
0.077 * [backup-simplify]: Simplify (* 1 1) into 1
0.077 * [backup-simplify]: Simplify (/ 1 1) into 1
0.077 * [backup-simplify]: Simplify (+ 0 1) into 1
0.078 * [backup-simplify]: Simplify (sqrt 1) into 1
0.078 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.079 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.079 * [backup-simplify]: Simplify (+ 0 0) into 0
0.080 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt 1))) into 0
0.080 * [taylor]: Taking taylor expansion of 1 in y
0.080 * [backup-simplify]: Simplify 1 into 1
0.080 * [taylor]: Taking taylor expansion of 0 in y
0.080 * [backup-simplify]: Simplify 0 into 0
0.080 * [backup-simplify]: Simplify 1 into 1
0.081 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.082 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.082 * [backup-simplify]: Simplify (+ (/ 1 (pow y 2)) 0) into (/ 1 (pow y 2))
0.083 * [backup-simplify]: Simplify (/ (- (/ 1 (pow y 2)) (pow 0 2) (+)) (* 2 1)) into (/ 1/2 (pow y 2))
0.083 * [taylor]: Taking taylor expansion of (/ 1/2 (pow y 2)) in y
0.083 * [taylor]: Taking taylor expansion of 1/2 in y
0.083 * [backup-simplify]: Simplify 1/2 into 1/2
0.083 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.083 * [taylor]: Taking taylor expansion of y in y
0.083 * [backup-simplify]: Simplify 0 into 0
0.083 * [backup-simplify]: Simplify 1 into 1
0.084 * [backup-simplify]: Simplify (* 1 1) into 1
0.084 * [backup-simplify]: Simplify (/ 1/2 1) into 1/2
0.085 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.085 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 1/2 (/ 0 1)))) into 0
0.086 * [backup-simplify]: Simplify 0 into 0
0.086 * [backup-simplify]: Simplify 0 into 0
0.086 * [backup-simplify]: Simplify 0 into 0
0.086 * [backup-simplify]: Simplify (+ (* y 0) (* 0 y)) into 0
0.086 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow y 2)) (/ 0 (pow y 2))))) into 0
0.087 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.088 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.088 * [backup-simplify]: Simplify (+ 0 0) into 0
0.089 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 (/ 1/2 (pow y 2)))))) (* 2 1)) into 0
0.089 * [taylor]: Taking taylor expansion of 0 in y
0.089 * [backup-simplify]: Simplify 0 into 0
0.090 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.090 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 1/2 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.091 * [backup-simplify]: Simplify 0 into 0
0.091 * [backup-simplify]: Simplify 0 into 0
0.091 * [backup-simplify]: Simplify 0 into 0
0.091 * [backup-simplify]: Simplify (* 1 (* 1 (/ 1 (/ 1 x)))) into x
0.091 * [backup-simplify]: Simplify (sqrt (+ (* (/ 1 (- x)) (/ 1 (- x))) (* (/ 1 (- y)) (/ 1 (- y))))) into (sqrt (+ (/ 1 (pow y 2)) (/ 1 (pow x 2))))
0.091 * [approximate]: Taking taylor expansion of (sqrt (+ (/ 1 (pow y 2)) (/ 1 (pow x 2)))) in (x y) around 0
0.091 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 (pow y 2)) (/ 1 (pow x 2)))) in y
0.091 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow y 2)) (/ 1 (pow x 2))) in y
0.091 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.091 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.091 * [taylor]: Taking taylor expansion of y in y
0.091 * [backup-simplify]: Simplify 0 into 0
0.091 * [backup-simplify]: Simplify 1 into 1
0.092 * [backup-simplify]: Simplify (* 1 1) into 1
0.092 * [backup-simplify]: Simplify (/ 1 1) into 1
0.092 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.092 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.092 * [taylor]: Taking taylor expansion of x in y
0.092 * [backup-simplify]: Simplify x into x
0.092 * [backup-simplify]: Simplify (* x x) into (pow x 2)
0.092 * [backup-simplify]: Simplify (/ 1 (pow x 2)) into (/ 1 (pow x 2))
0.093 * [backup-simplify]: Simplify (+ 1 0) into 1
0.093 * [backup-simplify]: Simplify (sqrt 1) into 1
0.094 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.094 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.094 * [backup-simplify]: Simplify (+ 0 0) into 0
0.095 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt 1))) into 0
0.095 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 (pow y 2)) (/ 1 (pow x 2)))) in x
0.095 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow y 2)) (/ 1 (pow x 2))) in x
0.095 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.095 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.095 * [taylor]: Taking taylor expansion of y in x
0.095 * [backup-simplify]: Simplify y into y
0.095 * [backup-simplify]: Simplify (* y y) into (pow y 2)
0.095 * [backup-simplify]: Simplify (/ 1 (pow y 2)) into (/ 1 (pow y 2))
0.095 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.095 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.095 * [taylor]: Taking taylor expansion of x in x
0.095 * [backup-simplify]: Simplify 0 into 0
0.095 * [backup-simplify]: Simplify 1 into 1
0.095 * [backup-simplify]: Simplify (* 1 1) into 1
0.096 * [backup-simplify]: Simplify (/ 1 1) into 1
0.096 * [backup-simplify]: Simplify (+ 0 1) into 1
0.096 * [backup-simplify]: Simplify (sqrt 1) into 1
0.096 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.097 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.097 * [backup-simplify]: Simplify (+ 0 0) into 0
0.098 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt 1))) into 0
0.098 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 (pow y 2)) (/ 1 (pow x 2)))) in x
0.098 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow y 2)) (/ 1 (pow x 2))) in x
0.098 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.098 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.098 * [taylor]: Taking taylor expansion of y in x
0.098 * [backup-simplify]: Simplify y into y
0.098 * [backup-simplify]: Simplify (* y y) into (pow y 2)
0.098 * [backup-simplify]: Simplify (/ 1 (pow y 2)) into (/ 1 (pow y 2))
0.098 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.098 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.098 * [taylor]: Taking taylor expansion of x in x
0.098 * [backup-simplify]: Simplify 0 into 0
0.098 * [backup-simplify]: Simplify 1 into 1
0.098 * [backup-simplify]: Simplify (* 1 1) into 1
0.098 * [backup-simplify]: Simplify (/ 1 1) into 1
0.099 * [backup-simplify]: Simplify (+ 0 1) into 1
0.099 * [backup-simplify]: Simplify (sqrt 1) into 1
0.099 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.100 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.100 * [backup-simplify]: Simplify (+ 0 0) into 0
0.100 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt 1))) into 0
0.100 * [taylor]: Taking taylor expansion of 1 in y
0.100 * [backup-simplify]: Simplify 1 into 1
0.100 * [taylor]: Taking taylor expansion of 0 in y
0.100 * [backup-simplify]: Simplify 0 into 0
0.100 * [backup-simplify]: Simplify 1 into 1
0.101 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.101 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.102 * [backup-simplify]: Simplify (+ (/ 1 (pow y 2)) 0) into (/ 1 (pow y 2))
0.102 * [backup-simplify]: Simplify (/ (- (/ 1 (pow y 2)) (pow 0 2) (+)) (* 2 1)) into (/ 1/2 (pow y 2))
0.102 * [taylor]: Taking taylor expansion of (/ 1/2 (pow y 2)) in y
0.102 * [taylor]: Taking taylor expansion of 1/2 in y
0.102 * [backup-simplify]: Simplify 1/2 into 1/2
0.102 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.102 * [taylor]: Taking taylor expansion of y in y
0.102 * [backup-simplify]: Simplify 0 into 0
0.102 * [backup-simplify]: Simplify 1 into 1
0.103 * [backup-simplify]: Simplify (* 1 1) into 1
0.103 * [backup-simplify]: Simplify (/ 1/2 1) into 1/2
0.103 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.104 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 1/2 (/ 0 1)))) into 0
0.104 * [backup-simplify]: Simplify 0 into 0
0.104 * [backup-simplify]: Simplify 0 into 0
0.104 * [backup-simplify]: Simplify 0 into 0
0.104 * [backup-simplify]: Simplify (+ (* y 0) (* 0 y)) into 0
0.104 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow y 2)) (/ 0 (pow y 2))))) into 0
0.105 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.105 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.106 * [backup-simplify]: Simplify (+ 0 0) into 0
0.106 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* 0 (/ 1/2 (pow y 2)))))) (* 2 1)) into 0
0.106 * [taylor]: Taking taylor expansion of 0 in y
0.106 * [backup-simplify]: Simplify 0 into 0
0.106 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.107 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 1/2 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.107 * [backup-simplify]: Simplify 0 into 0
0.107 * [backup-simplify]: Simplify 0 into 0
0.107 * [backup-simplify]: Simplify 0 into 0
0.107 * [backup-simplify]: Simplify (* 1 (* 1 (/ 1 (/ 1 (- x))))) into (* -1 x)
0.107 * * * [progress]: simplifying candidates
0.107 * * * * [progress]: [ 1 / 19 ] simplifiying candidate #<alt (λ (x y) (pow (+ (* x x) (* y y)) 1/2))>
0.107 * * * * [progress]: [ 2 / 19 ] simplifiying candidate #<alt (λ (x y) (pow (sqrt (+ (* x x) (* y y))) 1))>
0.107 * * * * [progress]: [ 3 / 19 ] simplifiying candidate #<alt (λ (x y) (exp (log (sqrt (+ (* x x) (* y y))))))>
0.107 * * * * [progress]: [ 4 / 19 ] simplifiying candidate #<alt (λ (x y) (log (exp (sqrt (+ (* x x) (* y y))))))>
0.108 * * * * [progress]: [ 5 / 19 ] simplifiying candidate #<alt (λ (x y) (* (* (cbrt (sqrt (+ (* x x) (* y y)))) (cbrt (sqrt (+ (* x x) (* y y))))) (cbrt (sqrt (+ (* x x) (* y y))))))>
0.108 * * * * [progress]: [ 6 / 19 ] simplifiying candidate #<alt (λ (x y) (cbrt (* (* (sqrt (+ (* x x) (* y y))) (sqrt (+ (* x x) (* y y)))) (sqrt (+ (* x x) (* y y))))))>
0.108 * * * * [progress]: [ 7 / 19 ] simplifiying candidate #<alt (λ (x y) (* (sqrt (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y))))) (sqrt (cbrt (+ (* x x) (* y y))))))>
0.108 * * * * [progress]: [ 8 / 19 ] simplifiying candidate #<alt (λ (x y) (* (sqrt (sqrt (+ (* x x) (* y y)))) (sqrt (sqrt (+ (* x x) (* y y))))))>
0.108 * * * * [progress]: [ 9 / 19 ] simplifiying candidate #<alt (λ (x y) (* (sqrt 1) (sqrt (+ (* x x) (* y y)))))>
0.108 * * * * [progress]: [ 10 / 19 ] simplifiying candidate #<alt (λ (x y) (/ (sqrt (+ (pow (* x x) 3) (pow (* y y) 3))) (sqrt (+ (* (* x x) (* x x)) (- (* (* y y) (* y y)) (* (* x x) (* y y)))))))>
0.108 * * * * [progress]: [ 11 / 19 ] simplifiying candidate #<alt (λ (x y) (/ (sqrt (- (* (* x x) (* x x)) (* (* y y) (* y y)))) (sqrt (- (* x x) (* y y)))))>
0.108 * * * * [progress]: [ 12 / 19 ] simplifiying candidate #<alt (λ (x y) (pow (+ (* x x) (* y y)) (/ 1 2)))>
0.108 * * * * [progress]: [ 13 / 19 ] simplifiying candidate #<alt (λ (x y) (* (sqrt (sqrt (+ (* x x) (* y y)))) (sqrt (sqrt (+ (* x x) (* y y))))))>
0.108 * * * * [progress]: [ 14 / 19 ] simplifiying candidate #<alt (λ (x y) (fabs (sqrt (+ (* x x) (* y y)))))>
0.108 * * * * [progress]: [ 15 / 19 ] simplifiying candidate #<alt (λ (x y) (* 1 (sqrt (+ (* x x) (* y y)))))>
0.108 * * * * [progress]: [ 16 / 19 ] simplifiying candidate #<alt (λ (x y) (posit16->real (real->posit16 (sqrt (+ (* x x) (* y y))))))>
0.108 * * * * [progress]: [ 17 / 19 ] simplifiying candidate #<alt (λ (x y) y)>
0.108 * * * * [progress]: [ 18 / 19 ] simplifiying candidate #<alt (λ (x y) x)>
0.108 * * * * [progress]: [ 19 / 19 ] simplifiying candidate #<alt (λ (x y) (* -1 x))>
0.108 * [simplify]: Simplifying:
  (log (sqrt (+ (* x x) (* y y))))
  (exp (sqrt (+ (* x x) (* y y))))
  (* (cbrt (sqrt (+ (* x x) (* y y)))) (cbrt (sqrt (+ (* x x) (* y y)))))
  (cbrt (sqrt (+ (* x x) (* y y))))
  (* (* (sqrt (+ (* x x) (* y y))) (sqrt (+ (* x x) (* y y)))) (sqrt (+ (* x x) (* y y))))
  (sqrt (* (cbrt (+ (* x x) (* y y))) (cbrt (+ (* x x) (* y y)))))
  (sqrt (cbrt (+ (* x x) (* y y))))
  (sqrt (sqrt (+ (* x x) (* y y))))
  (sqrt (sqrt (+ (* x x) (* y y))))
  (sqrt 1)
  (sqrt (+ (* x x) (* y y)))
  (sqrt (+ (pow (* x x) 3) (pow (* y y) 3)))
  (sqrt (+ (* (* x x) (* x x)) (- (* (* y y) (* y y)) (* (* x x) (* y y)))))
  (sqrt (- (* (* x x) (* x x)) (* (* y y) (* y y))))
  (sqrt (- (* x x) (* y y)))
  (/ 1 2)
  (sqrt (sqrt (+ (* x x) (* y y))))
  (sqrt (sqrt (+ (* x x) (* y y))))
  (real->posit16 (sqrt (+ (* x x) (* y y))))
  y
  x
  (* -1 x)
0.109 * * [simplify]: iteration 0: 39 enodes
0.117 * * [simplify]: iteration 1: 92 enodes
0.150 * * [simplify]: iteration 2: 196 enodes
0.218 * * [simplify]: iteration 3: 435 enodes
0.387 * * [simplify]: iteration 4: 995 enodes
1.101 * * [simplify]: iteration 5: 3254 enodes
2.385 * * [simplify]: iteration complete: 5001 enodes
2.385 * * [simplify]: Extracting #0: cost 19 inf + 0
2.385 * * [simplify]: Extracting #1: cost 37 inf + 4
2.385 * * [simplify]: Extracting #2: cost 212 inf + 49
2.389 * * [simplify]: Extracting #3: cost 852 inf + 8041
2.406 * * [simplify]: Extracting #4: cost 756 inf + 90254
2.461 * * [simplify]: Extracting #5: cost 387 inf + 186778
2.513 * * [simplify]: Extracting #6: cost 217 inf + 256600
2.575 * * [simplify]: Extracting #7: cost 64 inf + 347288
2.680 * * [simplify]: Extracting #8: cost 9 inf + 362642
2.764 * * [simplify]: Extracting #9: cost 0 inf + 365239
2.860 * [simplify]: Simplified to:
  (log (sqrt (+ (* x x) (* y y))))
  (exp (sqrt (+ (* x x) (* y y))))
  (* (cbrt (sqrt (+ (* x x) (* y y)))) (cbrt (sqrt (+ (* x x) (* y y)))))
  (cbrt (sqrt (+ (* x x) (* y y))))
  (* (sqrt (+ (* x x) (* y y))) (+ (* x x) (* y y)))
  (fabs (cbrt (+ (* x x) (* y y))))
  (sqrt (cbrt (+ (* x x) (* y y))))
  (sqrt (sqrt (+ (* x x) (* y y))))
  (sqrt (sqrt (+ (* x x) (* y y))))
  1
  (sqrt (+ (* x x) (* y y)))
  (sqrt (+ (* (* x (* x x)) (* x (* x x))) (* (* y y) (* (* y y) (* y y)))))
  (sqrt (+ (* (* y y) (- (* y y) (* x x))) (* (* x x) (* x x))))
  (sqrt (- (* (* x x) (* x x)) (* (* y y) (* y y))))
  (sqrt (- (* x x) (* y y)))
  1/2
  (sqrt (sqrt (+ (* x x) (* y y))))
  (sqrt (sqrt (+ (* x x) (* y y))))
  (real->posit16 (sqrt (+ (* x x) (* y y))))
  y
  x
  (- x)
2.862 * * * [progress]: adding candidates to table
2.950 * * [progress]: iteration 2 / 4
2.951 * * * [progress]: picking best candidate
2.955 * * * * [pick]: Picked  #<alt (λ (x y) (- x))>
2.955 * * * [progress]: localizing error
2.958 * * * [progress]: generating rewritten candidates
2.958 * * * [progress]: generating series expansions
2.958 * * * [progress]: simplifying candidates
2.958 * [simplify]: Simplifying:
  
2.958 * * [simplify]: iteration 0: 0 enodes
2.958 * * [simplify]: iteration complete: 0 enodes
2.958 * * [simplify]: Extracting #0: cost 0 inf + 0
2.958 * [simplify]: Simplified to:
  
2.958 * * * [progress]: adding candidates to table
2.959 * * [progress]: iteration 3 / 4
2.959 * * * [progress]: picking best candidate
2.963 * * * * [pick]: Picked  #<alt (λ (x y) y)>
2.963 * * * [progress]: localizing error
2.965 * * * [progress]: generating rewritten candidates
2.965 * * * [progress]: generating series expansions
2.965 * * * [progress]: simplifying candidates
2.965 * [simplify]: Simplifying:
  
2.965 * * [simplify]: iteration 0: 0 enodes
2.965 * * [simplify]: iteration complete: 0 enodes
2.965 * * [simplify]: Extracting #0: cost 0 inf + 0
2.965 * [simplify]: Simplified to:
  
2.965 * * * [progress]: adding candidates to table
2.966 * * [progress]: iteration 4 / 4
2.966 * * * [progress]: picking best candidate
2.969 * * * * [pick]: Picked  #<alt (λ (x y) x)>
2.969 * * * [progress]: localizing error
2.970 * * * [progress]: generating rewritten candidates
2.970 * * * [progress]: generating series expansions
2.970 * * * [progress]: simplifying candidates
2.971 * [simplify]: Simplifying:
  
2.971 * * [simplify]: iteration 0: 0 enodes
2.971 * * [simplify]: iteration complete: 0 enodes
2.971 * * [simplify]: Extracting #0: cost 0 inf + 0
2.971 * [simplify]: Simplified to:
  
2.971 * * * [progress]: adding candidates to table
2.975 * [progress]: [Phase 3 of 3] Extracting.
2.975 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (- x))> #<alt (λ (x y) x)> #<alt (λ (x y) (sqrt (+ (* x x) (* y y))))> #<alt (λ (x y) y)>)
2.975 * * * [regime-changes]: Trying 6 branch expressions: ((* y y) (* x x) (+ (* x x) (* y y)) (sqrt (+ (* x x) (* y y))) y x)
2.975 * * * * [regimes]: Trying to branch on (* y y) from (#<alt (λ (x y) (- x))> #<alt (λ (x y) x)> #<alt (λ (x y) (sqrt (+ (* x x) (* y y))))> #<alt (λ (x y) y)>)
3.017 * * * * [regimes]: Trying to branch on (* y y) from (#<alt (λ (x y) (- x))> #<alt (λ (x y) x)> #<alt (λ (x y) (sqrt (+ (* x x) (* y y))))>)
3.053 * * * * [regimes]: Trying to branch on (* x x) from (#<alt (λ (x y) (- x))> #<alt (λ (x y) x)> #<alt (λ (x y) (sqrt (+ (* x x) (* y y))))> #<alt (λ (x y) y)>)
3.094 * * * * [regimes]: Trying to branch on (* x x) from (#<alt (λ (x y) (sqrt (+ (* x x) (* y y))))> #<alt (λ (x y) y)>)
3.126 * * * * [regimes]: Trying to branch on (+ (* x x) (* y y)) from (#<alt (λ (x y) (- x))> #<alt (λ (x y) x)> #<alt (λ (x y) (sqrt (+ (* x x) (* y y))))> #<alt (λ (x y) y)>)
3.173 * * * * [regimes]: Trying to branch on (sqrt (+ (* x x) (* y y))) from (#<alt (λ (x y) (- x))> #<alt (λ (x y) x)> #<alt (λ (x y) (sqrt (+ (* x x) (* y y))))> #<alt (λ (x y) y)>)
3.227 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (- x))> #<alt (λ (x y) x)> #<alt (λ (x y) (sqrt (+ (* x x) (* y y))))> #<alt (λ (x y) y)>)
3.274 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (- x))> #<alt (λ (x y) x)> #<alt (λ (x y) (sqrt (+ (* x x) (* y y))))> #<alt (λ (x y) y)>)
3.331 * * * [regime]: Found split indices: #<option (#s(si 0 27) #s(si 2 213) #s(si 1 255))>
3.331 * [binary-search]: Improving bounds with binary search for x and (#<alt (λ (x y) (- x))> #<alt (λ (x y) x)> #<alt (λ (x y) (sqrt (+ (* x x) (* y y))))> #<alt (λ (x y) y)>)
3.420 * [regimes]: Found splitpoints: (#s(sp 0 x -6.15241991167455e+150) #s(sp 2 x 1.8791426213625292e+66) #s(sp 1 x +nan.0)) , with alts (#<alt (λ (x y) (- x))> #<alt (λ (x y) x)> #<alt (λ (x y) (sqrt (+ (* x x) (* y y))))> #<alt (λ (x y) y)>)
3.421 * [simplify]: Simplifying:
  (if (<= x -6.15241991167455e+150) (- x) (if (<= x 1.8791426213625292e+66) (sqrt (+ (* x x) (* y y))) x))
3.421 * * [simplify]: iteration 0: 13 enodes
3.422 * * [simplify]: iteration 1: 14 enodes
3.422 * * [simplify]: iteration complete: 14 enodes
3.422 * * [simplify]: Extracting #0: cost 1 inf + 0
3.422 * * [simplify]: Extracting #1: cost 4 inf + 0
3.422 * * [simplify]: Extracting #2: cost 8 inf + 0
3.422 * * [simplify]: Extracting #3: cost 8 inf + 2
3.423 * * [simplify]: Extracting #4: cost 6 inf + 178
3.423 * * [simplify]: Extracting #5: cost 6 inf + 219
3.423 * * [simplify]: Extracting #6: cost 5 inf + 220
3.423 * * [simplify]: Extracting #7: cost 3 inf + 383
3.423 * * [simplify]: Extracting #8: cost 1 inf + 838
3.423 * * [simplify]: Extracting #9: cost 0 inf + 1302
3.423 * [simplify]: Simplified to:
  (if (<= x -6.15241991167455e+150) (- x) (if (<= x 1.8791426213625292e+66) (sqrt (+ (* y y) (* x x))) x))
4.315 * [regime-testing]: Baseline error score: 29.596439666170056
4.319 * [regime-testing]: Oracle error score: 7.827978165337796
4.326 * [regime-testing]: End program error score: 17.092686318992445
4.398 * [regime-testing]: Target error score: 16.996243171920884