Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:50:19 2013 Optimize a model with 112000 rows, 168002 columns and 224000 nonzeros Model has 56000 quadratic constraints Presolve time: 0.13s Presolved: 112000 rows, 168002 columns, 224000 nonzeros Presolved model has 56000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.680e+05 Factor NZ : 3.920e+05 (roughly 120 MBytes of memory) Factor Ops : 1.400e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.78058310e+07 0.00000000e+00 8.38e-12 5.03e-01 2.94e+02 0s 1 9.70960549e+06 1.98063370e+06 2.82e-07 4.66e-05 4.60e+01 0s 2 7.27182845e+06 5.77598626e+06 4.08e-08 2.83e-06 8.90e+00 1s 3 6.69563714e+06 6.39369309e+06 9.00e-09 3.41e-07 1.80e+00 1s 4 6.51245326e+06 6.48409604e+06 7.41e-10 2.20e-08 1.69e-01 1s 5 6.49255749e+06 6.49159361e+06 3.16e-11 1.63e-12 5.74e-03 2s 6 6.49176610e+06 6.49164023e+06 4.28e-12 1.45e-12 7.49e-04 2s 7 6.49168756e+06 6.49164707e+06 1.56e-12 2.69e-12 2.41e-04 2s 8 6.49165795e+06 6.49164767e+06 6.04e-13 1.32e-12 6.12e-05 2s 9 6.49165331e+06 6.49164935e+06 3.55e-13 3.04e-12 2.36e-05 3s Barrier solved model in 9 iterations and 2.52 seconds Optimal objective 6.49165331e+06