Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:30:02 2013 Optimize a model with 88000 rows, 132002 columns and 176000 nonzeros Model has 44000 quadratic constraints Presolve time: 0.10s Presolved: 88000 rows, 132002 columns, 176000 nonzeros Presolved model has 44000 second-order cone constraints Ordering time: 0.01s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.320e+05 Factor NZ : 3.080e+05 (roughly 100 MBytes of memory) Factor Ops : 1.100e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 3.77886658e+07 0.00000000e+00 3.15e-12 5.03e-01 2.96e+02 0s 1 7.62944039e+06 1.55126686e+06 2.02e-07 4.73e-05 4.60e+01 0s 2 5.72442204e+06 4.54056454e+06 2.96e-08 2.94e-06 8.97e+00 1s 3 5.27140565e+06 5.02928388e+06 6.60e-09 3.62e-07 1.83e+00 1s 4 5.13804117e+06 5.09022779e+06 1.04e-09 7.84e-08 3.62e-01 1s 5 5.10946614e+06 5.10494383e+06 1.68e-11 1.48e-08 3.43e-02 1s 6 5.10891323e+06 5.10866541e+06 4.77e-12 1.14e-10 1.88e-03 1s 7 5.10881562e+06 5.10869406e+06 2.71e-12 3.82e-12 9.21e-04 2s 8 5.10870793e+06 5.10869515e+06 5.19e-13 1.52e-12 9.68e-05 2s 9 5.10870018e+06 5.10869563e+06 3.20e-13 5.35e-12 3.45e-05 2s Barrier solved model in 9 iterations and 1.96 seconds Optimal objective 5.10870018e+06