Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:45:37 2013 Optimize a model with 106000 rows, 159002 columns and 212000 nonzeros Model has 53000 quadratic constraints Presolve time: 0.12s Presolved: 106000 rows, 159002 columns, 212000 nonzeros Presolved model has 53000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.590e+05 Factor NZ : 3.710e+05 (roughly 100 MBytes of memory) Factor Ops : 1.325e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.52133821e+07 0.00000000e+00 5.37e-12 5.00e-01 2.94e+02 0s 1 9.15495384e+06 1.86570324e+06 2.47e-07 4.67e-05 4.58e+01 0s 2 6.86569929e+06 5.46148510e+06 3.54e-08 2.79e-06 8.83e+00 1s 3 6.31355701e+06 6.03889715e+06 7.94e-09 3.43e-07 1.73e+00 1s 4 6.17154462e+06 6.12151439e+06 1.63e-09 3.56e-08 3.15e-01 1s 5 6.13391491e+06 6.12444238e+06 4.10e-11 2.57e-08 5.96e-02 1s 6 6.13273871e+06 6.13215558e+06 8.78e-12 8.31e-10 3.67e-03 2s 7 6.13250272e+06 6.13241228e+06 2.26e-12 2.04e-11 5.69e-04 2s 8 6.13244278e+06 6.13241773e+06 8.81e-13 9.50e-12 1.58e-04 2s 9 6.13242707e+06 6.13241850e+06 5.61e-13 5.62e-12 5.39e-05 2s 10 6.13242251e+06 6.13241858e+06 1.39e-12 5.06e-12 2.47e-05 3s Barrier solved model in 10 iterations and 2.56 seconds Optimal objective 6.13242251e+06