Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:30:21 2013 Optimize a model with 88000 rows, 132002 columns and 176000 nonzeros Model has 44000 quadratic constraints Presolve time: 0.10s Presolved: 88000 rows, 132002 columns, 176000 nonzeros Presolved model has 44000 second-order cone constraints Ordering time: 0.01s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.320e+05 Factor NZ : 3.080e+05 (roughly 100 MBytes of memory) Factor Ops : 1.100e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 3.77618596e+07 0.00000000e+00 5.23e-12 5.02e-01 2.96e+02 0s 1 7.61673418e+06 1.55206770e+06 5.10e-07 4.69e-05 4.59e+01 0s 2 5.72370558e+06 4.55282694e+06 7.35e-08 2.83e-06 8.87e+00 1s 3 5.26380267e+06 5.03328541e+06 1.66e-08 3.52e-07 1.75e+00 1s 4 5.14140700e+06 5.09492682e+06 2.89e-09 7.40e-08 3.52e-01 1s 5 5.11304581e+06 5.10639911e+06 6.47e-11 2.37e-08 5.04e-02 1s 6 5.11250852e+06 5.11210179e+06 2.75e-11 3.70e-11 3.08e-03 1s 7 5.11219036e+06 5.11211093e+06 5.58e-12 6.65e-12 6.02e-04 2s 8 5.11212422e+06 5.11211273e+06 8.38e-13 1.52e-12 8.71e-05 2s 9 5.11211789e+06 5.11211304e+06 5.12e-13 6.21e-13 3.67e-05 2s Barrier solved model in 9 iterations and 1.96 seconds Optimal objective 5.11211789e+06