Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:45:23 2013 Optimize a model with 3000 rows, 4502 columns and 6000 nonzeros Model has 1500 quadratic constraints Presolve time: 0.00s Presolved: 3000 rows, 4502 columns, 6000 nonzeros Presolved model has 1500 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 4.500e+03 Factor NZ : 1.050e+04 (roughly 3 MBytes of memory) Factor Ops : 3.750e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 1.28100454e+06 0.00000000e+00 2.84e-14 4.82e-01 2.94e+02 0s 1 2.55965744e+05 5.09187449e+04 4.83e-09 4.99e-05 4.56e+01 0s 2 1.91279835e+05 1.50127182e+05 3.74e-08 6.61e-06 9.15e+00 0s 3 1.74248482e+05 1.66840590e+05 7.37e-09 9.85e-07 1.65e+00 0s 4 1.70158686e+05 1.69191904e+05 3.20e-11 2.54e-07 2.15e-01 0s 5 1.70046321e+05 1.69886989e+05 1.66e-10 3.53e-08 3.54e-02 0s 6 1.70038991e+05 1.70036349e+05 8.22e-12 4.84e-10 5.87e-04 0s 7 1.70038548e+05 1.70037596e+05 2.59e-12 1.81e-10 2.11e-04 0s 8 1.70038373e+05 1.70037749e+05 4.94e-13 1.43e-10 1.39e-04 0s 9 1.70038331e+05 1.70037923e+05 1.14e-13 9.85e-11 9.08e-05 0s 10 1.70038318e+05 1.70038239e+05 5.68e-14 1.75e-11 1.76e-05 0s Barrier solved model in 10 iterations and 0.07 seconds Optimal objective 1.70038318e+05