curve seed 2 (planted), R real: tracked 2384 paths, 978 reached t=1 (39 s)
   retrack in another chart (attempt 0): 784 of 1406 recovered
   retrack in another chart (attempt 1): 179 of 622 recovered
   retrack in another chart (attempt 2): 96 of 443 recovered
   retrack in another chart (attempt 3): 18 of 347 recovered
   retrack in another chart (attempt 4): 11 of 329 recovered
   retrack in another chart (attempt 5): 4 of 318 recovered
   retrack in another chart (attempt 6): 17 of 314 recovered
   retrack in another chart (attempt 7): 27 of 297 recovered
paths that reached t=1 in total: 2114 of 2384
after Newton refinement: 2114 with residual < 1e-9 ; max residual among them 7.5e-17 ; Jacobian condition numbers: median 5.2e+05, max 1.9e+07
distinct solutions: 2114
G invertibility sigma_min/sigma_max: min 3.02e-06, median 9.24e-04
tau = |(e_0..e_15)(G)| / (|Lam2 G| |c|): min 2.474e-16, 5 smallest ['2.47e-16', '1.02e-08', '3.03e-08', '3.27e-08', '1.01e-07'], median 5.14e-06
number of solutions with G conj(G) = c I (delta<1e-7): 71 ; of these c>0 (real 4-planes L): 71, c<0: 0
   tau on the real-structure solutions: min 2.474e-16 ; values ['2.47e-16', '1.02e-08', '3.03e-08', '3.27e-08', '1.05e-07', '1.11e-07', '1.14e-07', '1.41e-07']
smallest delta (distance from a real structure): ['2.6e-14', '3.8e-14', '4.0e-14', '4.1e-14', '4.2e-14', '5.2e-14']
planted G: nearest computed solution at distance 5.56e-12 ; its tau = 2.47e-16, delta = 5.07e-12, c = 0.181
   check solution 448: |R e|/|e| = 7.2e-01 ; |e_0..15|/|e_16| = 2.092e-11
   check solution 553: |R e|/|e| = 7.3e-09 ; |e_0..15|/|e_16| = 4.067e-04
   check solution 864: |R e|/|e| = 3.3e-09 ; |e_0..15|/|e_16| = 6.408e-03
total time 117 s
