Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:45:31 2013 Optimize a model with 3600 rows, 5402 columns and 7200 nonzeros Model has 1800 quadratic constraints Presolve time: 0.00s Presolved: 3600 rows, 5402 columns, 7200 nonzeros Presolved model has 1800 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 5.400e+03 Factor NZ : 1.260e+04 (roughly 4 MBytes of memory) Factor Ops : 4.500e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 1.55064320e+06 0.00000000e+00 2.84e-14 4.76e-01 2.97e+02 0s 1 3.11200293e+05 6.19998794e+04 6.20e-09 5.02e-05 4.61e+01 0s 2 2.31069476e+05 1.81935827e+05 4.43e-08 6.45e-06 9.10e+00 0s 3 2.10342880e+05 2.03502431e+05 1.03e-08 1.43e-06 1.27e+00 0s 4 2.06124116e+05 2.05764309e+05 1.64e-09 3.62e-07 6.66e-02 0s 5 2.06024285e+05 2.06017702e+05 4.62e-10 4.94e-09 1.22e-03 0s 6 2.06022442e+05 2.06020987e+05 1.53e-10 6.94e-10 2.69e-04 0s 7 2.06021819e+05 2.06021279e+05 4.87e-11 3.06e-10 1.00e-04 0s 8 2.06021706e+05 2.06021379e+05 3.09e-11 1.70e-10 6.05e-05 0s 9 2.06021643e+05 2.06021413e+05 1.92e-11 1.24e-10 4.24e-05 0s 10 2.06021585e+05 2.06021440e+05 1.09e-11 8.96e-11 2.69e-05 0s Barrier solved model in 10 iterations and 0.08 seconds Optimal objective 2.06021585e+05