Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:49:41 2013 Optimize a model with 110000 rows, 165002 columns and 220000 nonzeros Model has 55000 quadratic constraints Presolve time: 0.12s Presolved: 110000 rows, 165002 columns, 220000 nonzeros Presolved model has 55000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.650e+05 Factor NZ : 3.850e+05 (roughly 110 MBytes of memory) Factor Ops : 1.375e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.69570056e+07 0.00000000e+00 7.52e-12 5.01e-01 2.94e+02 0s 1 9.50240914e+06 1.94627102e+06 1.01e-06 4.66e-05 4.58e+01 0s 2 7.14755995e+06 5.69198554e+06 2.30e-07 3.13e-06 8.82e+00 1s 3 6.58755930e+06 6.28921552e+06 5.17e-08 3.84e-07 1.81e+00 1s 4 6.42313529e+06 6.36491034e+06 8.52e-09 7.81e-08 3.53e-01 1s 5 6.38710000e+06 6.38259745e+06 1.76e-10 1.13e-08 2.73e-02 2s 6 6.38631908e+06 6.38592096e+06 5.27e-11 2.17e-10 2.41e-03 2s 7 6.38608685e+06 6.38598630e+06 1.54e-11 1.30e-12 6.09e-04 2s 8 6.38600773e+06 6.38598635e+06 3.40e-12 3.03e-12 1.30e-04 2s 9 6.38599531e+06 6.38598707e+06 1.26e-12 1.75e-12 4.99e-05 2s 10 6.38599055e+06 6.38598782e+06 4.90e-13 2.20e-12 1.65e-05 3s Barrier solved model in 10 iterations and 2.64 seconds Optimal objective 6.38599055e+06