Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:50:30 2013 Optimize a model with 12400 rows, 18602 columns and 24800 nonzeros Model has 6200 quadratic constraints Presolve time: 0.01s Presolved: 12400 rows, 18602 columns, 24800 nonzeros Presolved model has 6200 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.860e+04 Factor NZ : 4.340e+04 (roughly 13 MBytes of memory) Factor Ops : 1.550e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.40818461e+06 0.00000000e+00 1.14e-13 5.09e-01 3.00e+02 0s 1 1.07627923e+06 2.17134549e+05 7.52e-08 4.89e-05 4.62e+01 0s 2 8.09587551e+05 6.41204995e+05 2.35e-08 5.49e-06 9.05e+00 0s 3 7.43183912e+05 7.10902800e+05 5.02e-09 6.91e-07 1.74e+00 0s 4 7.27454628e+05 7.20000015e+05 1.14e-09 1.37e-07 4.01e-01 0s 5 7.22850813e+05 7.22361736e+05 5.85e-11 5.76e-09 2.63e-02 0s 6 7.22579034e+05 7.22477118e+05 7.56e-12 1.92e-09 5.48e-03 0s 7 7.22539623e+05 7.22511440e+05 5.19e-13 8.05e-10 1.52e-03 0s 8 7.22537445e+05 7.22536136e+05 1.85e-13 6.42e-12 7.03e-05 0s 9 7.22536516e+05 7.22536270e+05 1.35e-13 2.75e-12 1.32e-05 0s Barrier solved model in 9 iterations and 0.27 seconds Optimal objective 7.22536516e+05