Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:10:35 2013 Optimize a model with 56000 rows, 84002 columns and 112000 nonzeros Model has 28000 quadratic constraints Presolve time: 0.06s Presolved: 56000 rows, 84002 columns, 112000 nonzeros Presolved model has 28000 second-order cone constraints Ordering time: 0.01s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 8.400e+04 Factor NZ : 1.960e+05 (roughly 60 MBytes of memory) Factor Ops : 7.000e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 2.42444377e+07 0.00000000e+00 1.58e-12 5.05e-01 2.98e+02 0s 1 4.86742665e+06 9.80185374e+05 5.81e-08 4.79e-05 4.63e+01 0s 2 3.64572253e+06 2.88706330e+06 8.47e-09 2.99e-06 9.03e+00 0s 3 3.35494901e+06 3.20129167e+06 1.86e-09 3.67e-07 1.83e+00 1s 4 3.26483155e+06 3.24931391e+06 1.92e-10 1.54e-08 1.85e-01 1s 5 3.25243093e+06 3.25187827e+06 3.25e-12 1.10e-09 6.58e-03 1s 6 3.25224477e+06 3.25215575e+06 1.05e-12 4.80e-12 1.06e-03 1s 7 3.25216710e+06 3.25215761e+06 4.33e-13 6.56e-13 1.13e-04 1s 8 3.25216173e+06 3.25215796e+06 3.27e-13 2.20e-12 4.50e-05 1s 9 3.25215929e+06 3.25215819e+06 1.71e-13 5.48e-13 1.31e-05 1s Barrier solved model in 9 iterations and 1.25 seconds Optimal objective 3.25215929e+06