Gurobi 5.0.1 (linux64) logging started Tue Jan 22 21:30:43 2013 Optimize a model with 144000 rows, 216002 columns and 288000 nonzeros Model has 72000 quadratic constraints Presolve time: 0.17s Presolved: 144000 rows, 216002 columns, 288000 nonzeros Presolved model has 72000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.160e+05 Factor NZ : 5.040e+05 (roughly 150 MBytes of memory) Factor Ops : 1.800e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.10916689e+07 0.00000000e+00 1.17e-11 5.03e-01 2.92e+02 0s 1 1.24140201e+07 2.56664953e+06 4.16e-07 4.57e-05 4.56e+01 1s 2 9.35379657e+06 7.46819240e+06 5.99e-08 2.71e-06 8.73e+00 1s 3 8.60772808e+06 8.24095706e+06 1.33e-08 3.31e-07 1.70e+00 1s 4 8.41033097e+06 8.33334062e+06 2.31e-09 8.29e-08 3.56e-01 2s 5 8.36686945e+06 8.34539675e+06 3.64e-11 5.12e-08 9.94e-02 2s 6 8.36596791e+06 8.36461967e+06 1.21e-11 2.26e-09 6.24e-03 2s 7 8.36556561e+06 8.36543644e+06 1.26e-12 2.02e-10 5.98e-04 3s 8 8.36552368e+06 8.36551493e+06 2.27e-13 5.37e-12 4.05e-05 3s 9 8.36551837e+06 8.36551593e+06 4.90e-13 7.38e-12 1.13e-05 3s Barrier solved model in 9 iterations and 3.27 seconds Optimal objective 8.36551837e+06