Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:32:45 2013 Optimize a model with 92000 rows, 138002 columns and 184000 nonzeros Model has 46000 quadratic constraints Presolve time: 0.10s Presolved: 92000 rows, 138002 columns, 184000 nonzeros Presolved model has 46000 second-order cone constraints Ordering time: 0.01s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.380e+05 Factor NZ : 3.220e+05 (roughly 100 MBytes of memory) Factor Ops : 1.150e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 3.91785523e+07 0.00000000e+00 6.20e-12 4.93e-01 2.94e+02 0s 1 7.92064666e+06 1.59963305e+06 1.11e-06 4.70e-05 4.58e+01 0s 2 5.92267380e+06 4.69290119e+06 1.75e-07 2.88e-06 8.91e+00 1s 3 5.43974612e+06 5.20269476e+06 3.88e-08 3.48e-07 1.72e+00 1s 4 5.30397440e+06 5.26581287e+06 4.36e-09 7.36e-08 2.77e-01 1s 5 5.28478997e+06 5.28358659e+06 2.43e-10 1.30e-12 8.72e-03 1s 6 5.28374731e+06 5.28363874e+06 2.07e-11 1.15e-12 7.87e-04 1s 7 5.28367032e+06 5.28364959e+06 3.79e-12 5.98e-12 1.50e-04 2s 8 5.28366143e+06 5.28365346e+06 1.76e-12 1.78e-12 5.78e-05 2s 9 5.28365528e+06 5.28365391e+06 6.25e-13 4.45e-12 9.96e-06 2s Barrier solved model in 9 iterations and 2.04 seconds Optimal objective 5.28365528e+06