Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:45:49 2013 Optimize a model with 4600 rows, 6902 columns and 9200 nonzeros Model has 2300 quadratic constraints Presolve time: 0.01s Presolved: 4600 rows, 6902 columns, 9200 nonzeros Presolved model has 2300 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 6.900e+03 Factor NZ : 1.610e+04 (roughly 5 MBytes of memory) Factor Ops : 5.750e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 1.98578508e+06 0.00000000e+00 2.84e-14 5.01e-01 2.97e+02 0s 1 3.94923233e+05 7.96189686e+04 3.35e-08 4.91e-05 4.57e+01 0s 2 2.96992733e+05 2.34828855e+05 6.39e-08 6.34e-06 9.01e+00 0s 3 2.70883711e+05 2.60961480e+05 9.46e-09 1.04e-06 1.44e+00 0s 4 2.66225199e+05 2.63843773e+05 1.73e-09 2.83e-07 3.45e-01 0s 5 2.65092601e+05 2.64425638e+05 1.84e-10 1.47e-07 9.67e-02 0s 6 2.65046429e+05 2.65002026e+05 1.01e-10 2.20e-09 6.44e-03 0s 7 2.65009639e+05 2.65005881e+05 8.00e-12 2.78e-10 5.45e-04 0s 8 2.65007357e+05 2.65006485e+05 3.23e-09 6.78e-10 1.26e-04 0s 9 2.65006963e+05 2.65006528e+05 1.63e-09 1.15e-10 6.31e-05 0s 10 2.65006799e+05 2.65006545e+05 9.82e-10 1.22e-11 3.68e-05 0s Barrier solved model in 10 iterations and 0.10 seconds Optimal objective 2.65006799e+05