Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:35:40 2013 Optimize a model with 96000 rows, 144002 columns and 192000 nonzeros Model has 48000 quadratic constraints Presolve time: 0.11s Presolved: 96000 rows, 144002 columns, 192000 nonzeros Presolved model has 48000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.440e+05 Factor NZ : 3.360e+05 (roughly 100 MBytes of memory) Factor Ops : 1.200e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.11245123e+07 0.00000000e+00 5.84e-12 5.03e-01 2.95e+02 0s 1 8.33661312e+06 1.69077192e+06 4.65e-07 4.70e-05 4.62e+01 0s 2 6.23235195e+06 4.94196974e+06 6.73e-08 2.88e-06 8.96e+00 1s 3 5.73609206e+06 5.47706913e+06 1.48e-08 3.43e-07 1.80e+00 1s 4 5.58012622e+06 5.55486345e+06 1.32e-09 2.11e-08 1.75e-01 1s 5 5.56148120e+06 5.56100188e+06 2.63e-11 9.44e-11 3.33e-03 1s 6 5.56114173e+06 5.56107573e+06 4.11e-12 2.09e-12 4.58e-04 2s 7 5.56109502e+06 5.56107952e+06 1.17e-12 3.44e-12 1.08e-04 2s 8 5.56108568e+06 5.56108084e+06 6.68e-13 6.90e-12 3.37e-05 2s Barrier solved model in 8 iterations and 1.89 seconds Optimal objective 5.56108568e+06