13.109 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.031 * * * [progress]: [2/2] Setting up program.
0.033 * [progress]: [Phase 2 of 3] Improving.
0.033 * [simplify]: Simplifying:
  (- (* a a) (* b b))
0.033 * * [simplify]: Extracting # 0 : cost  0
0.033 * * [simplify]: Extracting # 1 : cost  0
0.033 * * [simplify]: Extracting # 2 : cost  0
0.033 * * [simplify]: Extracting # 3 : cost  0
0.033 * * [simplify]: Extracting # 4 : cost  0
0.033 * * [simplify]: iteration  0 :  5  enodes  (cost  7 )
0.035 * * [simplify]: Extracting # 0 : cost  0
0.035 * * [simplify]: Extracting # 1 : cost  0
0.035 * * [simplify]: Extracting # 2 : cost  0
0.035 * * [simplify]: iteration  1 :  11  enodes  (cost  7 )
0.037 * * [simplify]: Extracting # 0 : cost  0
0.037 * * [simplify]: Extracting # 1 : cost  0
0.037 * * [simplify]: Extracting # 2 : cost  0
0.037 * * [simplify]: iteration  2 :  18  enodes  (cost  7 )
0.042 * * [simplify]: Extracting # 0 : cost  0
0.042 * * [simplify]: Extracting # 1 : cost  0
0.042 * * [simplify]: Extracting # 2 : cost  0
0.042 * * [simplify]: iteration  3 :  35  enodes  (cost  7 )
0.053 * * [simplify]: Extracting # 0 : cost  0
0.053 * * [simplify]: Extracting # 1 : cost  0
0.053 * * [simplify]: Extracting # 2 : cost  0
0.053 * * [simplify]: iteration  4 :  67  enodes  (cost  7 )
0.088 * * [simplify]: Extracting # 0 : cost  0
0.089 * * [simplify]: Extracting # 1 : cost  0
0.089 * * [simplify]: Extracting # 2 : cost  0
0.089 * * [simplify]: iteration  5 :  160  enodes  (cost  7 )
0.159 * * [simplify]: Extracting # 0 : cost  0
0.160 * * [simplify]: Extracting # 1 : cost  0
0.160 * * [simplify]: Extracting # 2 : cost  0
0.160 * * [simplify]: iteration  6 :  271  enodes  (cost  7 )
0.299 * * [simplify]: Extracting # 0 : cost  0
0.300 * * [simplify]: Extracting # 1 : cost  0
0.300 * * [simplify]: Extracting # 2 : cost  0
0.301 * * [simplify]: Extracting # 3 : cost  0
0.301 * * [simplify]: iteration  7 :  514  enodes  (cost  7 )
1.468 * * [simplify]: Extracting # 0 : cost  0
1.470 * * [simplify]: Extracting # 1 : cost  0
1.472 * * [simplify]: Extracting # 2 : cost  0
1.474 * * [simplify]: Extracting # 3 : cost  0
1.475 * * [simplify]: Extracting # 4 : cost  0
1.477 * * [simplify]: iteration  8 :  1901  enodes  (cost  7 )
11.016 * * [simplify]: Extracting # 0 : cost  0
11.031 * * [simplify]: Extracting # 1 : cost  0
11.034 * * [simplify]: Extracting # 2 : cost  0
11.037 * * [simplify]: Extracting # 3 : cost  0
11.040 * * [simplify]: Extracting # 4 : cost  0
11.043 * * [simplify]: iteration done:  5001  enodes  (cost  7 )
11.044 * [simplify]: Simplified to:
  (- (* a a) (* b b))
11.044 * * [progress]: iteration 1 / 4
11.044 * * * [progress]: picking best candidate
11.046 * * * * [pick]: Picked  #<alt (λ (a b) (- (* a a) (* b b)))>
11.046 * * * [progress]: localizing error
11.051 * * * [progress]: generating rewritten candidates
11.051 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
11.060 * * * [progress]: generating series expansions
11.060 * * * * [progress]: [ 1 / 1 ] generating series at (2)
11.061 * [backup-simplify]: Simplify (- (* a a) (* b b)) into (- (pow a 2) (pow b 2))
11.061 * [approximate]: Taking taylor expansion of (- (pow a 2) (pow b 2)) in (a b) around 0
11.061 * [taylor]: Taking taylor expansion of (- (pow a 2) (pow b 2)) in b
11.061 * [taylor]: Taking taylor expansion of (pow a 2) in b
11.061 * [taylor]: Taking taylor expansion of a in b
11.061 * [backup-simplify]: Simplify a into a
11.061 * [taylor]: Taking taylor expansion of (pow b 2) in b
11.061 * [taylor]: Taking taylor expansion of b in b
11.061 * [backup-simplify]: Simplify 0 into 0
11.061 * [backup-simplify]: Simplify 1 into 1
11.061 * [taylor]: Taking taylor expansion of (- (pow a 2) (pow b 2)) in a
11.061 * [taylor]: Taking taylor expansion of (pow a 2) in a
11.061 * [taylor]: Taking taylor expansion of a in a
11.061 * [backup-simplify]: Simplify 0 into 0
11.061 * [backup-simplify]: Simplify 1 into 1
11.061 * [taylor]: Taking taylor expansion of (pow b 2) in a
11.061 * [taylor]: Taking taylor expansion of b in a
11.061 * [backup-simplify]: Simplify b into b
11.061 * [taylor]: Taking taylor expansion of (- (pow a 2) (pow b 2)) in a
11.061 * [taylor]: Taking taylor expansion of (pow a 2) in a
11.061 * [taylor]: Taking taylor expansion of a in a
11.061 * [backup-simplify]: Simplify 0 into 0
11.061 * [backup-simplify]: Simplify 1 into 1
11.061 * [taylor]: Taking taylor expansion of (pow b 2) in a
11.061 * [taylor]: Taking taylor expansion of b in a
11.061 * [backup-simplify]: Simplify b into b
11.061 * [backup-simplify]: Simplify (* b b) into (pow b 2)
11.061 * [backup-simplify]: Simplify (- (pow b 2)) into (- (pow b 2))
11.061 * [backup-simplify]: Simplify (+ 0 (- (pow b 2))) into (- (pow b 2))
11.061 * [taylor]: Taking taylor expansion of (- (pow b 2)) in b
11.061 * [taylor]: Taking taylor expansion of (pow b 2) in b
11.061 * [taylor]: Taking taylor expansion of b in b
11.061 * [backup-simplify]: Simplify 0 into 0
11.061 * [backup-simplify]: Simplify 1 into 1
11.062 * [backup-simplify]: Simplify (+ (* b 0) (* 0 b)) into 0
11.062 * [backup-simplify]: Simplify (- 0) into 0
11.062 * [backup-simplify]: Simplify (+ 0 0) into 0
11.062 * [taylor]: Taking taylor expansion of 0 in b
11.062 * [backup-simplify]: Simplify 0 into 0
11.062 * [backup-simplify]: Simplify 0 into 0
11.063 * [backup-simplify]: Simplify (* 1 1) into 1
11.063 * [backup-simplify]: Simplify (+ (* b 0) (+ (* 0 0) (* 0 b))) into 0
11.063 * [backup-simplify]: Simplify (- 0) into 0
11.063 * [backup-simplify]: Simplify (+ 1 0) into 1
11.063 * [taylor]: Taking taylor expansion of 1 in b
11.063 * [backup-simplify]: Simplify 1 into 1
11.063 * [backup-simplify]: Simplify 1 into 1
11.064 * [backup-simplify]: Simplify 0 into 0
11.064 * [backup-simplify]: Simplify (* 1 1) into 1
11.064 * [backup-simplify]: Simplify (- 1) into -1
11.064 * [backup-simplify]: Simplify -1 into -1
11.064 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
11.065 * [backup-simplify]: Simplify (+ (* b 0) (+ (* 0 0) (+ (* 0 0) (* 0 b)))) into 0
11.065 * [backup-simplify]: Simplify (- 0) into 0
11.065 * [backup-simplify]: Simplify (+ 0 0) into 0
11.065 * [taylor]: Taking taylor expansion of 0 in b
11.065 * [backup-simplify]: Simplify 0 into 0
11.065 * [backup-simplify]: Simplify 0 into 0
11.065 * [backup-simplify]: Simplify 0 into 0
11.065 * [backup-simplify]: Simplify 0 into 0
11.066 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
11.066 * [backup-simplify]: Simplify (- 0) into 0
11.066 * [backup-simplify]: Simplify 0 into 0
11.067 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
11.067 * [backup-simplify]: Simplify (+ (* b 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 b))))) into 0
11.068 * [backup-simplify]: Simplify (- 0) into 0
11.068 * [backup-simplify]: Simplify (+ 0 0) into 0
11.068 * [taylor]: Taking taylor expansion of 0 in b
11.068 * [backup-simplify]: Simplify 0 into 0
11.068 * [backup-simplify]: Simplify 0 into 0
11.068 * [backup-simplify]: Simplify 0 into 0
11.068 * [backup-simplify]: Simplify (+ (* -1 (pow (* b 1) 2)) (* 1 (pow (* 1 a) 2))) into (- (pow a 2) (pow b 2))
11.068 * [backup-simplify]: Simplify (- (* (/ 1 a) (/ 1 a)) (* (/ 1 b) (/ 1 b))) into (- (/ 1 (pow a 2)) (/ 1 (pow b 2)))
11.068 * [approximate]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in (a b) around 0
11.068 * [taylor]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in b
11.068 * [taylor]: Taking taylor expansion of (/ 1 (pow a 2)) in b
11.068 * [taylor]: Taking taylor expansion of (pow a 2) in b
11.068 * [taylor]: Taking taylor expansion of a in b
11.068 * [backup-simplify]: Simplify a into a
11.068 * [backup-simplify]: Simplify (* a a) into (pow a 2)
11.069 * [backup-simplify]: Simplify (/ 1 (pow a 2)) into (/ 1 (pow a 2))
11.069 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in b
11.069 * [taylor]: Taking taylor expansion of (pow b 2) in b
11.069 * [taylor]: Taking taylor expansion of b in b
11.069 * [backup-simplify]: Simplify 0 into 0
11.069 * [backup-simplify]: Simplify 1 into 1
11.069 * [backup-simplify]: Simplify (* 1 1) into 1
11.069 * [backup-simplify]: Simplify (/ 1 1) into 1
11.069 * [taylor]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in a
11.069 * [taylor]: Taking taylor expansion of (/ 1 (pow a 2)) in a
11.069 * [taylor]: Taking taylor expansion of (pow a 2) in a
11.069 * [taylor]: Taking taylor expansion of a in a
11.069 * [backup-simplify]: Simplify 0 into 0
11.069 * [backup-simplify]: Simplify 1 into 1
11.069 * [backup-simplify]: Simplify (* 1 1) into 1
11.070 * [backup-simplify]: Simplify (/ 1 1) into 1
11.070 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in a
11.070 * [taylor]: Taking taylor expansion of (pow b 2) in a
11.070 * [taylor]: Taking taylor expansion of b in a
11.070 * [backup-simplify]: Simplify b into b
11.070 * [backup-simplify]: Simplify (* b b) into (pow b 2)
11.070 * [backup-simplify]: Simplify (/ 1 (pow b 2)) into (/ 1 (pow b 2))
11.070 * [taylor]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in a
11.070 * [taylor]: Taking taylor expansion of (/ 1 (pow a 2)) in a
11.070 * [taylor]: Taking taylor expansion of (pow a 2) in a
11.070 * [taylor]: Taking taylor expansion of a in a
11.070 * [backup-simplify]: Simplify 0 into 0
11.070 * [backup-simplify]: Simplify 1 into 1
11.070 * [backup-simplify]: Simplify (* 1 1) into 1
11.070 * [backup-simplify]: Simplify (/ 1 1) into 1
11.071 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in a
11.071 * [taylor]: Taking taylor expansion of (pow b 2) in a
11.071 * [taylor]: Taking taylor expansion of b in a
11.071 * [backup-simplify]: Simplify b into b
11.071 * [backup-simplify]: Simplify (* b b) into (pow b 2)
11.071 * [backup-simplify]: Simplify (/ 1 (pow b 2)) into (/ 1 (pow b 2))
11.071 * [backup-simplify]: Simplify (+ 1 0) into 1
11.071 * [taylor]: Taking taylor expansion of 1 in b
11.071 * [backup-simplify]: Simplify 1 into 1
11.071 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
11.072 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
11.072 * [backup-simplify]: Simplify (+ 0 0) into 0
11.072 * [taylor]: Taking taylor expansion of 0 in b
11.072 * [backup-simplify]: Simplify 0 into 0
11.073 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
11.073 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
11.073 * [backup-simplify]: Simplify (- (/ 1 (pow b 2))) into (- (/ 1 (pow b 2)))
11.073 * [backup-simplify]: Simplify (+ 0 (- (/ 1 (pow b 2)))) into (- (/ 1 (pow b 2)))
11.073 * [taylor]: Taking taylor expansion of (- (/ 1 (pow b 2))) in b
11.073 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in b
11.073 * [taylor]: Taking taylor expansion of (pow b 2) in b
11.073 * [taylor]: Taking taylor expansion of b in b
11.074 * [backup-simplify]: Simplify 0 into 0
11.074 * [backup-simplify]: Simplify 1 into 1
11.074 * [backup-simplify]: Simplify (* 1 1) into 1
11.074 * [backup-simplify]: Simplify (/ 1 1) into 1
11.074 * [backup-simplify]: Simplify (- 1) into -1
11.074 * [backup-simplify]: Simplify -1 into -1
11.074 * [backup-simplify]: Simplify 1 into 1
11.075 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
11.075 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
11.075 * [backup-simplify]: Simplify (+ (* b 0) (* 0 b)) into 0
11.076 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow b 2)) (/ 0 (pow b 2))))) into 0
11.076 * [backup-simplify]: Simplify (- 0) into 0
11.076 * [backup-simplify]: Simplify (+ 0 0) into 0
11.076 * [taylor]: Taking taylor expansion of 0 in b
11.076 * [backup-simplify]: Simplify 0 into 0
11.077 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
11.077 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
11.077 * [backup-simplify]: Simplify (- 0) into 0
11.077 * [backup-simplify]: Simplify 0 into 0
11.077 * [backup-simplify]: Simplify 0 into 0
11.077 * [backup-simplify]: Simplify 0 into 0
11.078 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
11.078 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
11.079 * [backup-simplify]: Simplify (+ (* b 0) (+ (* 0 0) (* 0 b))) into 0
11.079 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow b 2)) (/ 0 (pow b 2))) (* 0 (/ 0 (pow b 2))))) into 0
11.079 * [backup-simplify]: Simplify (- 0) into 0
11.080 * [backup-simplify]: Simplify (+ 0 0) into 0
11.080 * [taylor]: Taking taylor expansion of 0 in b
11.080 * [backup-simplify]: Simplify 0 into 0
11.080 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
11.081 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
11.081 * [backup-simplify]: Simplify (- 0) into 0
11.081 * [backup-simplify]: Simplify 0 into 0
11.081 * [backup-simplify]: Simplify 0 into 0
11.081 * [backup-simplify]: Simplify 0 into 0
11.081 * [backup-simplify]: Simplify (+ (* 1 (pow (* 1 (/ 1 (/ 1 a))) 2)) (* -1 (pow (* (/ 1 (/ 1 b)) 1) 2))) into (- (pow a 2) (pow b 2))
11.081 * [backup-simplify]: Simplify (- (* (/ 1 (- a)) (/ 1 (- a))) (* (/ 1 (- b)) (/ 1 (- b)))) into (- (/ 1 (pow a 2)) (/ 1 (pow b 2)))
11.081 * [approximate]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in (a b) around 0
11.081 * [taylor]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in b
11.081 * [taylor]: Taking taylor expansion of (/ 1 (pow a 2)) in b
11.081 * [taylor]: Taking taylor expansion of (pow a 2) in b
11.081 * [taylor]: Taking taylor expansion of a in b
11.082 * [backup-simplify]: Simplify a into a
11.082 * [backup-simplify]: Simplify (* a a) into (pow a 2)
11.082 * [backup-simplify]: Simplify (/ 1 (pow a 2)) into (/ 1 (pow a 2))
11.082 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in b
11.082 * [taylor]: Taking taylor expansion of (pow b 2) in b
11.082 * [taylor]: Taking taylor expansion of b in b
11.082 * [backup-simplify]: Simplify 0 into 0
11.082 * [backup-simplify]: Simplify 1 into 1
11.082 * [backup-simplify]: Simplify (* 1 1) into 1
11.082 * [backup-simplify]: Simplify (/ 1 1) into 1
11.082 * [taylor]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in a
11.082 * [taylor]: Taking taylor expansion of (/ 1 (pow a 2)) in a
11.082 * [taylor]: Taking taylor expansion of (pow a 2) in a
11.082 * [taylor]: Taking taylor expansion of a in a
11.082 * [backup-simplify]: Simplify 0 into 0
11.082 * [backup-simplify]: Simplify 1 into 1
11.083 * [backup-simplify]: Simplify (* 1 1) into 1
11.083 * [backup-simplify]: Simplify (/ 1 1) into 1
11.083 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in a
11.083 * [taylor]: Taking taylor expansion of (pow b 2) in a
11.083 * [taylor]: Taking taylor expansion of b in a
11.083 * [backup-simplify]: Simplify b into b
11.083 * [backup-simplify]: Simplify (* b b) into (pow b 2)
11.083 * [backup-simplify]: Simplify (/ 1 (pow b 2)) into (/ 1 (pow b 2))
11.083 * [taylor]: Taking taylor expansion of (- (/ 1 (pow a 2)) (/ 1 (pow b 2))) in a
11.083 * [taylor]: Taking taylor expansion of (/ 1 (pow a 2)) in a
11.083 * [taylor]: Taking taylor expansion of (pow a 2) in a
11.083 * [taylor]: Taking taylor expansion of a in a
11.083 * [backup-simplify]: Simplify 0 into 0
11.083 * [backup-simplify]: Simplify 1 into 1
11.083 * [backup-simplify]: Simplify (* 1 1) into 1
11.087 * [backup-simplify]: Simplify (/ 1 1) into 1
11.087 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in a
11.088 * [taylor]: Taking taylor expansion of (pow b 2) in a
11.088 * [taylor]: Taking taylor expansion of b in a
11.088 * [backup-simplify]: Simplify b into b
11.088 * [backup-simplify]: Simplify (* b b) into (pow b 2)
11.088 * [backup-simplify]: Simplify (/ 1 (pow b 2)) into (/ 1 (pow b 2))
11.088 * [backup-simplify]: Simplify (+ 1 0) into 1
11.088 * [taylor]: Taking taylor expansion of 1 in b
11.088 * [backup-simplify]: Simplify 1 into 1
11.089 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
11.089 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
11.089 * [backup-simplify]: Simplify (+ 0 0) into 0
11.089 * [taylor]: Taking taylor expansion of 0 in b
11.089 * [backup-simplify]: Simplify 0 into 0
11.090 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
11.090 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
11.090 * [backup-simplify]: Simplify (- (/ 1 (pow b 2))) into (- (/ 1 (pow b 2)))
11.091 * [backup-simplify]: Simplify (+ 0 (- (/ 1 (pow b 2)))) into (- (/ 1 (pow b 2)))
11.091 * [taylor]: Taking taylor expansion of (- (/ 1 (pow b 2))) in b
11.091 * [taylor]: Taking taylor expansion of (/ 1 (pow b 2)) in b
11.091 * [taylor]: Taking taylor expansion of (pow b 2) in b
11.091 * [taylor]: Taking taylor expansion of b in b
11.091 * [backup-simplify]: Simplify 0 into 0
11.091 * [backup-simplify]: Simplify 1 into 1
11.091 * [backup-simplify]: Simplify (* 1 1) into 1
11.091 * [backup-simplify]: Simplify (/ 1 1) into 1
11.092 * [backup-simplify]: Simplify (- 1) into -1
11.092 * [backup-simplify]: Simplify -1 into -1
11.092 * [backup-simplify]: Simplify 1 into 1
11.092 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
11.093 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
11.093 * [backup-simplify]: Simplify (+ (* b 0) (* 0 b)) into 0
11.093 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow b 2)) (/ 0 (pow b 2))))) into 0
11.093 * [backup-simplify]: Simplify (- 0) into 0
11.093 * [backup-simplify]: Simplify (+ 0 0) into 0
11.093 * [taylor]: Taking taylor expansion of 0 in b
11.094 * [backup-simplify]: Simplify 0 into 0
11.094 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
11.094 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
11.095 * [backup-simplify]: Simplify (- 0) into 0
11.095 * [backup-simplify]: Simplify 0 into 0
11.095 * [backup-simplify]: Simplify 0 into 0
11.095 * [backup-simplify]: Simplify 0 into 0
11.095 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
11.096 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
11.096 * [backup-simplify]: Simplify (+ (* b 0) (+ (* 0 0) (* 0 b))) into 0
11.096 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow b 2)) (/ 0 (pow b 2))) (* 0 (/ 0 (pow b 2))))) into 0
11.097 * [backup-simplify]: Simplify (- 0) into 0
11.097 * [backup-simplify]: Simplify (+ 0 0) into 0
11.097 * [taylor]: Taking taylor expansion of 0 in b
11.097 * [backup-simplify]: Simplify 0 into 0
11.097 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
11.098 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
11.098 * [backup-simplify]: Simplify (- 0) into 0
11.098 * [backup-simplify]: Simplify 0 into 0
11.098 * [backup-simplify]: Simplify 0 into 0
11.098 * [backup-simplify]: Simplify 0 into 0
11.099 * [backup-simplify]: Simplify (+ (* 1 (pow (* 1 (/ 1 (/ 1 (- a)))) 2)) (* -1 (pow (* (/ 1 (/ 1 (- b))) 1) 2))) into (- (pow a 2) (pow b 2))
11.099 * * * [progress]: simplifying candidates
11.099 * [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))
11.099 * * [simplify]: Extracting # 0 : cost  0
11.099 * * [simplify]: Extracting # 1 : cost  0
11.100 * * [simplify]: Extracting # 2 : cost  0
11.100 * * [simplify]: Extracting # 3 : cost  0
11.100 * * [simplify]: Extracting # 4 : cost  0
11.100 * * [simplify]: Extracting # 5 : cost  0
11.100 * * [simplify]: iteration  0 :  38  enodes  (cost  214 )
11.108 * * [simplify]: Extracting # 0 : cost  0
11.109 * * [simplify]: Extracting # 1 : cost  0
11.109 * * [simplify]: Extracting # 2 : cost  0
11.109 * * [simplify]: Extracting # 3 : cost  0
11.109 * * [simplify]: Extracting # 4 : cost  0
11.109 * * [simplify]: iteration  1 :  100  enodes  (cost  205 )
11.145 * * [simplify]: Extracting # 0 : cost  0
11.145 * * [simplify]: Extracting # 1 : cost  0
11.146 * * [simplify]: Extracting # 2 : cost  0
11.146 * * [simplify]: Extracting # 3 : cost  0
11.146 * * [simplify]: Extracting # 4 : cost  0
11.147 * * [simplify]: iteration  2 :  291  enodes  (cost  175 )
11.257 * * [simplify]: Extracting # 0 : cost  0
11.258 * * [simplify]: Extracting # 1 : cost  0
11.260 * * [simplify]: Extracting # 2 : cost  0
11.261 * * [simplify]: Extracting # 3 : cost  0
11.263 * * [simplify]: Extracting # 4 : cost  0
11.264 * * [simplify]: iteration  3 :  922  enodes  (cost  175 )
12.250 * * [simplify]: Extracting # 0 : cost  0
12.258 * * [simplify]: Extracting # 1 : cost  0
12.263 * * [simplify]: Extracting # 2 : cost  0
12.269 * * [simplify]: Extracting # 3 : cost  0
12.274 * * [simplify]: Extracting # 4 : cost  0
12.280 * * [simplify]: iteration  4 :  4017  enodes  (cost  170 )
13.641 * * [simplify]: Extracting # 0 : cost  0
13.646 * * [simplify]: Extracting # 1 : cost  0
13.655 * * [simplify]: iteration done:  5000  enodes  (cost  170 )
13.655 * [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)))
13.656 * * * [progress]: adding candidates to table
13.700 * * [progress]: iteration 2 / 4
13.700 * * * [progress]: picking best candidate
13.701 * * * * [pick]: Picked  #<alt (λ (a b) (* (+ a b) (- a b)))>
13.701 * * * [progress]: localizing error
13.706 * * * [progress]: generating rewritten candidates
13.706 * * * [progress]: generating series expansions
13.706 * * * [progress]: simplifying candidates
13.706 * [simplify]: Simplifying:
  
13.706 * * [simplify]: Extracting # 0 : cost  0
13.706 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
13.706 * * [simplify]: Extracting # 0 : cost  0
13.706 * * [simplify]: iteration done:  0  enodes  (cost  0 )
13.706 * [simplify]: Simplified to:
  
13.706 * * * [progress]: adding candidates to table
13.706 * [progress]: [Phase 3 of 3] Extracting.
13.708 * [simplify]: Simplifying:
  (* (+ a b) (- a b))
13.708 * * [simplify]: Extracting # 0 : cost  0
13.708 * * [simplify]: Extracting # 1 : cost  0
13.708 * * [simplify]: Extracting # 2 : cost  0
13.708 * * [simplify]: Extracting # 3 : cost  0
13.708 * * [simplify]: Extracting # 4 : cost  0
13.708 * * [simplify]: iteration  0 :  5  enodes  (cost  7 )
13.708 * * [simplify]: Extracting # 0 : cost  0
13.708 * * [simplify]: iteration  1 :  7  enodes  (cost  7 )
13.709 * * [simplify]: Extracting # 0 : cost  0
13.709 * * [simplify]: iteration done:  7  enodes  (cost  7 )
13.709 * [simplify]: Simplified to:
  (* (+ a b) (- a b))
14.714 * [regime-testing]: Baseline error score: 0.0012501562695336917
14.718 * [regime-testing]: Oracle error score: 0.0012501562695336917
14.718 * [regime-testing]: End program error score: 0.0012501562695336917
14.760 * [regime-testing]: Target error score: 0.0012501562695336917