Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:43:48 2013 Optimize a model with 520 rows, 782 columns and 1040 nonzeros Model has 260 quadratic constraints Presolve time: 0.00s Presolved: 520 rows, 782 columns, 1040 nonzeros Presolved model has 260 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 7.800e+02 Factor NZ : 1.823e+03 Factor Ops : 6.505e+03 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 2.14190815e+05 0.00000000e+00 2.84e-14 4.36e-01 2.83e+02 0s 1 4.34060186e+04 9.93553810e+03 1.28e-09 5.05e-05 4.29e+01 0s 2 3.56526764e+04 2.81598846e+04 1.09e-08 8.87e-06 9.61e+00 0s 3 3.17482652e+04 3.06686407e+04 3.52e-09 2.22e-06 1.38e+00 0s 4 3.10965903e+04 3.10737983e+04 2.72e-09 3.20e-07 2.92e-02 0s 5 3.10884311e+04 3.10862665e+04 5.81e-10 5.39e-08 2.78e-03 0s 6 3.10865007e+04 3.10863941e+04 2.76e-11 2.02e-09 1.37e-04 0s 7 3.10864373e+04 3.10864041e+04 1.48e-11 4.43e-10 4.25e-05 0s 8 3.10864151e+04 3.10864062e+04 3.28e-12 2.03e-10 1.14e-05 0s Barrier solved model in 8 iterations and 0.01 seconds Optimal objective 3.10864151e+04