Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:50:28 2013 Optimize a model with 12200 rows, 18302 columns and 24400 nonzeros Model has 6100 quadratic constraints Presolve time: 0.01s Presolved: 12200 rows, 18302 columns, 24400 nonzeros Presolved model has 6100 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.830e+04 Factor NZ : 4.270e+04 (roughly 13 MBytes of memory) Factor Ops : 1.525e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.28348644e+06 0.00000000e+00 9.95e-14 4.88e-01 2.98e+02 0s 1 1.05466239e+06 2.10521755e+05 3.91e-08 4.91e-05 4.61e+01 0s 2 7.90120434e+05 6.25173833e+05 4.20e-08 3.37e-06 9.01e+00 0s 3 7.24358984e+05 6.92675454e+05 1.01e-08 5.19e-07 1.73e+00 0s 4 7.07819902e+05 7.01163394e+05 1.57e-09 1.32e-07 3.64e-01 0s 5 7.04452831e+05 7.04169513e+05 4.97e-11 3.75e-09 1.55e-02 0s 6 7.04329808e+05 7.04298589e+05 5.06e-11 1.48e-09 1.71e-03 0s 7 7.04304596e+05 7.04301637e+05 9.95e-11 4.19e-10 1.62e-04 0s 8 7.04303254e+05 7.04301696e+05 5.29e-11 7.33e-11 8.51e-05 0s 9 7.04302382e+05 7.04301715e+05 2.24e-11 7.80e-12 3.64e-05 0s Barrier solved model in 9 iterations and 0.27 seconds Optimal objective 7.04302382e+05