Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:13:33 2013 Optimize a model with 62000 rows, 93002 columns and 124000 nonzeros Model has 31000 quadratic constraints Presolve time: 0.07s 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 2.66830447e+07 0.00000000e+00 2.44e-12 4.98e-01 2.97e+02 0s 1 5.36427936e+06 1.07900629e+06 1.56e-07 4.78e-05 4.61e+01 0s 2 4.01541419e+06 3.18241982e+06 2.24e-08 2.94e-06 8.96e+00 0s 3 3.68937378e+06 3.52611804e+06 5.04e-09 3.59e-07 1.76e+00 1s 4 3.60674437e+06 3.56716194e+06 1.08e-09 9.09e-08 4.26e-01 1s 5 3.58429856e+06 3.57831996e+06 9.20e-11 2.09e-08 6.43e-02 1s 6 3.58286770e+06 3.58183568e+06 3.61e-11 5.04e-10 1.11e-02 1s 7 3.58207519e+06 3.58193274e+06 5.18e-12 2.95e-12 1.53e-03 1s 8 3.58195369e+06 3.58193439e+06 8.24e-13 1.75e-12 2.08e-04 1s 9 3.58194362e+06 3.58193477e+06 6.11e-13 1.12e-12 9.51e-05 1s 10 3.58194016e+06 3.58193485e+06 2.09e-12 1.83e-12 5.71e-05 2s 11 3.58193860e+06 3.58193491e+06 1.87e-12 3.13e-12 3.98e-05 2s 12 3.58193795e+06 3.58193493e+06 1.67e-12 8.96e-13 3.24e-05 2s Barrier solved model in 12 iterations and 1.80 seconds Optimal objective 3.58193795e+06