Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:11:58 2013 Optimize a model with 60000 rows, 90002 columns and 120000 nonzeros Model has 30000 quadratic constraints Presolve time: 0.07s Presolved: 60000 rows, 90002 columns, 120000 nonzeros Presolved model has 30000 second-order cone constraints Ordering time: 0.01s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 9.000e+04 Factor NZ : 2.100e+05 (roughly 60 MBytes of memory) Factor Ops : 7.500e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 2.59016262e+07 0.00000000e+00 2.13e-12 5.01e-01 2.97e+02 0s 1 5.23012527e+06 1.05228548e+06 1.18e-07 4.80e-05 4.64e+01 0s 2 3.90152341e+06 3.08467122e+06 1.73e-08 3.00e-06 9.08e+00 0s 3 3.58855535e+06 3.42394278e+06 3.78e-09 3.64e-07 1.83e+00 1s 4 3.48512852e+06 3.46880316e+06 1.49e-10 6.00e-08 1.81e-01 1s 5 3.47831790e+06 3.47818694e+06 2.39e-12 5.68e-11 1.46e-03 1s 6 3.47823311e+06 3.47820646e+06 7.03e-13 4.90e-12 2.96e-04 1s 7 3.47821568e+06 3.47820787e+06 3.41e-13 2.82e-12 8.67e-05 1s 8 3.47821026e+06 3.47820813e+06 7.39e-13 1.75e-12 2.36e-05 1s Barrier solved model in 8 iterations and 1.18 seconds Optimal objective 3.47821026e+06