Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:50:55 2013 Optimize a model with 112000 rows, 168002 columns and 224000 nonzeros Model has 56000 quadratic constraints Presolve time: 0.12s Presolved: 112000 rows, 168002 columns, 224000 nonzeros Presolved model has 56000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.680e+05 Factor NZ : 3.920e+05 (roughly 120 MBytes of memory) Factor Ops : 1.400e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.78258451e+07 0.00000000e+00 5.12e-12 5.03e-01 2.94e+02 0s 1 9.70763142e+06 1.98484133e+06 3.51e-07 4.66e-05 4.60e+01 0s 2 7.28433261e+06 5.79320997e+06 5.06e-08 2.81e-06 8.88e+00 1s 3 6.69727205e+06 6.40814061e+06 1.12e-08 3.44e-07 1.72e+00 1s 4 6.53093772e+06 6.48337245e+06 1.20e-09 7.92e-08 2.83e-01 1s 5 6.50938346e+06 6.50699594e+06 1.06e-10 3.22e-10 1.42e-02 2s 6 6.50758283e+06 6.50714569e+06 1.87e-11 8.30e-11 2.60e-03 2s 7 6.50736483e+06 6.50719509e+06 7.94e-12 8.18e-12 1.01e-03 2s 8 6.50726259e+06 6.50720028e+06 3.03e-12 4.24e-12 3.71e-04 2s 9 6.50721600e+06 6.50720210e+06 7.39e-13 2.16e-12 8.27e-05 2s 10 6.50720658e+06 6.50720309e+06 3.41e-13 3.00e-12 2.08e-05 3s Barrier solved model in 10 iterations and 2.69 seconds Optimal objective 6.50720658e+06