curve seed 1 (int), R real: tracked 2384 paths, 2350 reached t=1 (33 s)
   retrack in another chart (attempt 0): 32 of 34 recovered
   retrack in another chart (attempt 1): 2 of 2 recovered
paths that reached t=1 in total: 2384 of 2384
after Newton refinement: 2384 with residual < 1e-9 ; max residual among them 2.5e-16 ; Jacobian condition numbers: median 1.1e+04, max 9.4e+05
distinct solutions: 2384
G invertibility sigma_min/sigma_max: min 8.52e-04, median 3.53e-02
tau = |(e_0..e_15)(G)| / (|Lam2 G| |c|): min 5.119e-05, 5 smallest ['5.12e-05', '1.26e-04', '1.36e-04', '1.36e-04', '1.45e-04'], median 7.65e-03
number of solutions with G conj(G) = c I (delta<1e-7): 60 ; of these c>0 (real 4-planes L): 60, c<0: 0
   tau on the real-structure solutions: min 5.119e-05 ; values ['5.12e-05', '1.26e-04', '1.45e-04', '1.59e-04', '1.68e-04', '3.99e-04', '4.09e-04', '4.48e-04']
smallest delta (distance from a real structure): ['7.4e-16', '7.4e-16', '1.5e-15', '2.0e-15', '2.8e-15', '3.0e-15']
   check solution 2055: |R e|/|e| = 1.2e-11 ; |e_0..15|/|e_16| = 7.158e-02
   check solution 1700: |R e|/|e| = 4.1e-12 ; |e_0..15|/|e_16| = 1.558e+00
   check solution 43: |R e|/|e| = 2.9e-12 ; |e_0..15|/|e_16| = 5.388e-02
total time 34 s
