Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:50:06 2013 Optimize a model with 112000 rows, 168002 columns and 224000 nonzeros Model has 56000 quadratic constraints Presolve time: 0.13s 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 4.76965157e+07 0.00000000e+00 5.37e-12 4.99e-01 2.93e+02 0s 1 9.68438767e+06 1.98167989e+06 7.91e-07 4.66e-05 4.58e+01 0s 2 7.27186769e+06 5.78221912e+06 1.39e-07 2.82e-06 8.87e+00 1s 3 6.68435144e+06 6.39673923e+06 3.06e-08 3.42e-07 1.71e+00 1s 4 6.52864559e+06 6.47065669e+06 4.92e-09 8.05e-08 3.45e-01 1s 5 6.49833725e+06 6.49354706e+06 4.79e-10 3.27e-09 2.85e-02 2s 6 6.49589711e+06 6.49478970e+06 1.48e-10 3.20e-11 6.59e-03 2s 7 6.49488134e+06 6.49480595e+06 8.34e-12 2.54e-12 4.49e-04 2s 8 6.49483948e+06 6.49480855e+06 3.55e-12 3.29e-12 1.84e-04 2s 9 6.49482727e+06 6.49480922e+06 2.47e-12 2.57e-12 1.07e-04 2s 10 6.49482162e+06 6.49480934e+06 2.32e-12 2.59e-12 7.31e-05 3s 11 6.49481811e+06 6.49480944e+06 1.66e-12 8.72e-13 5.16e-05 3s 12 6.49481402e+06 6.49480974e+06 7.25e-13 2.73e-11 2.55e-05 3s Barrier solved model in 12 iterations and 3.17 seconds Optimal objective 6.49481402e+06