Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:44:34 2013 Optimize a model with 1500 rows, 2252 columns and 3000 nonzeros Model has 750 quadratic constraints Presolve time: 0.00s Presolved: 1500 rows, 2252 columns, 3000 nonzeros Presolved model has 750 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.250e+03 Factor NZ : 5.253e+03 (roughly 2 MBytes of memory) Factor Ops : 1.876e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.51469490e+05 0.00000000e+00 2.84e-14 5.06e-01 2.99e+02 0s 1 1.29915044e+05 2.55344727e+04 7.56e-09 4.98e-05 4.64e+01 0s 2 9.61884903e+04 7.49641937e+04 1.99e-08 7.04e-06 9.43e+00 0s 3 8.74385123e+04 8.45118069e+04 4.93e-09 1.73e-06 1.30e+00 0s 4 8.54837794e+04 8.51868859e+04 1.83e-09 1.11e-07 1.32e-01 0s 5 8.53475709e+04 8.52690751e+04 7.18e-10 6.61e-09 3.49e-02 0s 6 8.52810067e+04 8.52757880e+04 4.11e-11 8.51e-10 2.32e-03 0s 7 8.52779573e+04 8.52768704e+04 7.56e-10 9.04e-09 4.83e-04 0s 8 8.52773464e+04 8.52770161e+04 4.66e-10 7.34e-10 1.47e-04 0s 9 8.52771815e+04 8.52770257e+04 2.17e-10 3.95e-10 6.92e-05 0s 10 8.52770825e+04 8.52770400e+04 6.12e-11 3.67e-11 1.89e-05 0s Barrier solved model in 10 iterations and 0.04 seconds Optimal objective 8.52770825e+04