Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:13:28 2013 Optimize a model with 62000 rows, 93002 columns and 124000 nonzeros Model has 31000 quadratic constraints Presolve time: 0.08s Presolved: 62000 rows, 93002 columns, 124000 nonzeros Presolved model has 31000 second-order cone constraints Ordering time: 0.01s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 9.300e+04 Factor NZ : 2.170e+05 (roughly 60 MBytes of memory) Factor Ops : 7.750e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 2.67766924e+07 0.00000000e+00 2.33e-12 5.03e-01 2.98e+02 0s 1 5.38708139e+06 1.08747175e+06 3.62e-07 4.79e-05 4.62e+01 0s 2 4.03624548e+06 3.19657007e+06 8.92e-08 3.35e-06 9.03e+00 0s 3 3.71477733e+06 3.54395298e+06 1.98e-08 4.10e-07 1.84e+00 1s 4 3.61789550e+06 3.58858964e+06 2.60e-09 8.11e-08 3.15e-01 1s 5 3.60058814e+06 3.59770241e+06 2.39e-11 1.69e-08 3.10e-02 1s 6 3.60038776e+06 3.60026228e+06 8.78e-12 6.24e-11 1.35e-03 1s 7 3.60028371e+06 3.60027181e+06 9.95e-13 1.34e-12 1.28e-04 1s 8 3.60027528e+06 3.60027184e+06 6.47e-13 4.93e-12 3.70e-05 1s Barrier solved model in 8 iterations and 1.23 seconds Optimal objective 3.60027528e+06