Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:59:57 2013 Optimize a model with 20000 rows, 30002 columns and 40000 nonzeros Model has 10000 quadratic constraints Presolve time: 0.02s Presolved: 20000 rows, 30002 columns, 40000 nonzeros Presolved model has 10000 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 3.000e+04 Factor NZ : 7.000e+04 (roughly 20 MBytes of memory) Factor Ops : 2.500e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 8.68051770e+06 0.00000000e+00 3.27e-13 4.96e-01 2.99e+02 0s 1 1.73020026e+06 3.43408327e+05 6.53e-08 4.86e-05 4.62e+01 0s 2 1.29087080e+06 1.02035719e+06 9.38e-09 3.00e-06 9.02e+00 0s 3 1.18901484e+06 1.13337714e+06 1.97e-09 3.58e-07 1.85e+00 0s 4 1.15282982e+06 1.14941666e+06 4.90e-11 2.74e-08 1.14e-01 0s 5 1.15128516e+06 1.15103633e+06 4.66e-11 3.37e-09 8.29e-03 0s 6 1.15110803e+06 1.15105747e+06 9.75e-12 8.47e-11 1.69e-03 0s 7 1.15107522e+06 1.15105859e+06 3.30e-12 4.98e-14 5.54e-04 0s 8 1.15106625e+06 1.15105881e+06 1.71e-12 7.82e-13 2.48e-04 0s 9 1.15106252e+06 1.15105900e+06 8.81e-13 4.16e-13 1.17e-04 0s 10 1.15106106e+06 1.15105916e+06 6.11e-13 1.24e-12 6.33e-05 0s 11 1.15106039e+06 1.15105922e+06 6.96e-13 1.51e-12 3.89e-05 1s 12 1.15106000e+06 1.15105925e+06 4.41e-13 1.24e-12 2.49e-05 1s Barrier solved model in 12 iterations and 0.54 seconds Optimal objective 1.15106000e+06