Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:47:43 2013 Optimize a model with 108000 rows, 162002 columns and 216000 nonzeros Model has 54000 quadratic constraints Presolve time: 0.12s Presolved: 108000 rows, 162002 columns, 216000 nonzeros Presolved model has 54000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.620e+05 Factor NZ : 3.780e+05 (roughly 100 MBytes of memory) Factor Ops : 1.350e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.61147069e+07 0.00000000e+00 6.75e-12 5.01e-01 2.94e+02 0s 1 9.33047502e+06 1.91017262e+06 1.57e-06 4.66e-05 4.58e+01 0s 2 7.01743783e+06 5.58701231e+06 2.27e-07 2.80e-06 8.83e+00 1s 3 6.45445148e+06 6.17394027e+06 5.10e-08 3.44e-07 1.73e+00 1s 4 6.30797022e+06 6.25735723e+06 1.02e-08 3.83e-08 3.12e-01 1s 5 6.27087805e+06 6.26102435e+06 3.29e-10 2.58e-08 6.08e-02 2s 6 6.26960771e+06 6.26833121e+06 8.89e-11 2.51e-09 7.88e-03 2s 7 6.26928809e+06 6.26908270e+06 2.87e-11 1.57e-10 1.27e-03 2s 8 6.26917954e+06 6.26912126e+06 8.56e-12 3.31e-11 3.60e-04 2s 9 6.26913997e+06 6.26912947e+06 1.41e-12 6.37e-12 6.48e-05 2s 10 6.26913424e+06 6.26913184e+06 4.97e-13 6.93e-12 1.48e-05 3s Barrier solved model in 10 iterations and 2.60 seconds Optimal objective 6.26913424e+06