Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:45:32 2013 Optimize a model with 3600 rows, 5402 columns and 7200 nonzeros Model has 1800 quadratic constraints Presolve time: 0.00s Presolved: 3600 rows, 5402 columns, 7200 nonzeros Presolved model has 1800 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 5.400e+03 Factor NZ : 1.260e+04 (roughly 4 MBytes of memory) Factor Ops : 4.500e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 1.57812237e+06 0.00000000e+00 2.84e-14 5.00e-01 3.02e+02 0s 1 3.11066938e+05 6.29931369e+04 8.46e-09 4.94e-05 4.59e+01 0s 2 2.34809356e+05 1.86045879e+05 5.37e-08 6.40e-06 9.03e+00 0s 3 2.14811150e+05 2.06458894e+05 1.83e-08 1.06e-06 1.55e+00 0s 4 2.09965935e+05 2.08972012e+05 2.22e-09 3.18e-07 1.84e-01 0s 5 2.09806464e+05 2.09793034e+05 8.54e-11 1.45e-08 2.49e-03 0s 6 2.09802060e+05 2.09799234e+05 1.35e-11 3.55e-09 5.23e-04 0s 7 2.09801323e+05 2.09800335e+05 2.43e-12 1.52e-09 1.83e-04 0s 8 2.09801194e+05 2.09800769e+05 6.96e-13 7.01e-10 7.87e-05 0s 9 2.09801149e+05 2.09801108e+05 1.42e-13 5.74e-11 7.53e-06 0s Barrier solved model in 9 iterations and 0.07 seconds Optimal objective 2.09801149e+05