Gurobi 5.0.1 (linux64) logging started Tue Jan 22 21:52:58 2013 Optimize a model with 160000 rows, 240002 columns and 320000 nonzeros Model has 80000 quadratic constraints Presolve time: 0.19s Presolved: 160000 rows, 240002 columns, 320000 nonzeros Presolved model has 80000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.400e+05 Factor NZ : 5.600e+05 (roughly 170 MBytes of memory) Factor Ops : 2.000e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.73063537e+07 0.00000000e+00 1.36e-11 4.97e-01 2.90e+02 0s 1 1.37583873e+07 2.84082144e+06 9.60e-07 4.58e-05 4.55e+01 1s 2 1.03366781e+07 8.23034929e+06 1.39e-07 2.77e-06 8.78e+00 1s 3 9.52050443e+06 9.09675070e+06 3.05e-08 3.31e-07 1.77e+00 2s 4 9.29117238e+06 9.20451982e+06 5.48e-09 6.57e-08 3.61e-01 2s 5 9.23557739e+06 9.22990803e+06 1.18e-10 7.63e-09 2.36e-02 2s 6 9.23394268e+06 9.23377787e+06 7.36e-12 9.90e-11 6.87e-04 3s 7 9.23384826e+06 9.23383490e+06 8.38e-13 5.00e-12 5.56e-05 3s 8 9.23383990e+06 9.23383615e+06 7.46e-13 1.05e-11 1.56e-05 3s Barrier solved model in 8 iterations and 3.24 seconds Optimal objective 9.23383990e+06