Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:57:13 2013 Optimize a model with 18200 rows, 27302 columns and 36400 nonzeros Model has 9100 quadratic constraints Presolve time: 0.02s Presolved: 18200 rows, 27302 columns, 36400 nonzeros Presolved model has 9100 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.730e+04 Factor NZ : 6.370e+04 (roughly 20 MBytes of memory) Factor Ops : 2.275e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 7.90522345e+06 0.00000000e+00 2.27e-13 5.05e-01 2.99e+02 0s 1 1.57597701e+06 3.18800061e+05 2.64e-08 4.88e-05 4.61e+01 0s 2 1.18642917e+06 9.39930215e+05 3.89e-09 3.14e-06 9.03e+00 0s 3 1.08917078e+06 1.04148975e+06 7.58e-10 4.02e-07 1.75e+00 0s 4 1.06193978e+06 1.05688779e+06 7.54e-11 3.94e-08 1.85e-01 0s 5 1.05892401e+06 1.05800729e+06 3.47e-12 1.54e-08 3.36e-02 0s 6 1.05876232e+06 1.05874535e+06 2.56e-13 9.80e-11 6.22e-04 0s 7 1.05875156e+06 1.05875003e+06 1.14e-13 3.26e-12 5.63e-05 0s 8 1.05875058e+06 1.05875023e+06 1.28e-13 6.71e-13 1.28e-05 0s Barrier solved model in 8 iterations and 0.35 seconds Optimal objective 1.05875058e+06