Gurobi 5.0.1 (linux64) logging started Tue Jan 22 21:39:52 2013 Optimize a model with 152000 rows, 228002 columns and 304000 nonzeros Model has 76000 quadratic constraints Presolve time: 0.20s Presolved: 152000 rows, 228002 columns, 304000 nonzeros Presolved model has 76000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.280e+05 Factor NZ : 5.320e+05 (roughly 160 MBytes of memory) Factor Ops : 1.900e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.41804431e+07 0.00000000e+00 1.33e-11 4.99e-01 2.91e+02 0s 1 1.30899218e+07 2.71210008e+06 6.18e-07 4.56e-05 4.55e+01 1s 2 9.85857789e+06 7.87004423e+06 8.89e-08 2.71e-06 8.72e+00 1s 3 9.06720338e+06 8.68833776e+06 1.93e-08 3.24e-07 1.66e+00 2s 4 8.86597568e+06 8.78345410e+06 3.41e-09 8.13e-08 3.62e-01 2s 5 8.82084640e+06 8.81058545e+06 2.20e-10 1.50e-08 4.50e-02 2s 6 8.81875153e+06 8.81725327e+06 9.13e-11 1.24e-11 6.57e-03 3s 7 8.81773966e+06 8.81725493e+06 2.91e-11 3.50e-12 2.13e-03 3s 8 8.81737031e+06 8.81726342e+06 6.32e-12 4.41e-12 4.69e-04 3s 9 8.81727516e+06 8.81726697e+06 5.12e-13 2.02e-12 3.59e-05 3s Barrier solved model in 9 iterations and 3.48 seconds Optimal objective 8.81727516e+06