Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:02:02 2013 Optimize a model with 32000 rows, 48002 columns and 64000 nonzeros Model has 16000 quadratic constraints Presolve time: 0.03s Presolved: 32000 rows, 48002 columns, 64000 nonzeros Presolved model has 16000 second-order cone constraints Ordering time: 0.01s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 4.800e+04 Factor NZ : 1.120e+05 (roughly 30 MBytes of memory) Factor Ops : 4.000e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 1.39336622e+07 0.00000000e+00 7.53e-13 5.05e-01 3.00e+02 0s 1 2.79054497e+06 5.60237643e+05 4.73e-07 4.86e-05 4.65e+01 0s 2 2.08735948e+06 1.65053004e+06 4.73e-08 3.07e-06 9.10e+00 0s 3 1.91970730e+06 1.83229216e+06 1.02e-08 3.71e-07 1.82e+00 0s 4 1.86855736e+06 1.85690438e+06 1.08e-09 5.28e-08 2.43e-01 0s 5 1.86134133e+06 1.86119984e+06 1.60e-11 7.95e-11 2.95e-03 0s 6 1.86123688e+06 1.86122215e+06 2.00e-12 1.77e-12 3.07e-04 0s 7 1.86122459e+06 1.86122266e+06 9.73e-13 1.16e-12 4.02e-05 1s 8 1.86122328e+06 1.86122283e+06 5.97e-13 2.09e-12 9.39e-06 1s Barrier solved model in 8 iterations and 0.61 seconds Optimal objective 1.86122328e+06