Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:44:42 2013 Optimize a model with 1600 rows, 2402 columns and 3200 nonzeros Model has 800 quadratic constraints Presolve time: 0.00s Presolved: 1600 rows, 2402 columns, 3200 nonzeros Presolved model has 800 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.400e+03 Factor NZ : 5.603e+03 (roughly 2 MBytes of memory) Factor Ops : 2.000e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.94893502e+05 0.00000000e+00 2.84e-14 5.05e-01 2.99e+02 0s 1 1.36410116e+05 2.93257795e+04 7.96e-09 4.81e-05 4.46e+01 0s 2 1.06004483e+05 8.60289636e+04 4.30e-08 7.85e-06 8.32e+00 0s 3 9.66664132e+04 9.46422653e+04 9.21e-09 1.72e-06 8.43e-01 0s 4 9.55733615e+04 9.54802988e+04 5.07e-10 2.44e-07 3.88e-02 0s 5 9.55351193e+04 9.55307216e+04 3.10e-10 3.21e-08 1.83e-03 0s 6 9.55334246e+04 9.55329298e+04 3.21e-10 1.13e-08 2.06e-04 0s 7 9.55332969e+04 9.55331950e+04 2.61e-10 2.58e-09 4.25e-05 0s 8 9.55332692e+04 9.55332404e+04 7.34e-10 1.03e-09 1.20e-05 0s Barrier solved model in 8 iterations and 0.03 seconds Optimal objective 9.55332692e+04