Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:55:01 2013 Optimize a model with 116000 rows, 174002 columns and 232000 nonzeros Model has 58000 quadratic constraints Presolve time: 0.13s Presolved: 116000 rows, 174002 columns, 232000 nonzeros Presolved model has 58000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.740e+05 Factor NZ : 4.060e+05 (roughly 120 MBytes of memory) Factor Ops : 1.450e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.95018178e+07 0.00000000e+00 8.48e-12 5.04e-01 2.94e+02 0s 1 1.00502429e+07 2.05788318e+06 1.42e-06 4.64e-05 4.59e+01 0s 2 7.54494144e+06 6.00411125e+06 2.04e-07 2.79e-06 8.86e+00 1s 3 6.93696039e+06 6.63976552e+06 4.50e-08 3.40e-07 1.71e+00 1s 4 6.76500403e+06 6.71644995e+06 4.56e-09 8.05e-08 2.79e-01 1s 5 6.74336048e+06 6.74149627e+06 3.30e-10 5.98e-12 1.07e-02 2s 6 6.74186211e+06 6.74158693e+06 4.95e-11 1.09e-12 1.58e-03 2s 7 6.74165090e+06 6.74159998e+06 8.96e-12 4.81e-12 2.93e-04 2s 8 6.74161858e+06 6.74160246e+06 2.96e-12 4.87e-12 9.26e-05 2s 9 6.74161078e+06 6.74160325e+06 2.19e-12 3.67e-12 4.32e-05 3s 10 6.74160991e+06 6.74160333e+06 2.87e-12 3.35e-12 3.78e-05 3s Barrier solved model in 10 iterations and 2.82 seconds Optimal objective 6.74160991e+06