Gurobi 5.0.1 (linux64) logging started Tue Jan 22 22:16:54 2013 Optimize a model with 174000 rows, 261002 columns and 348000 nonzeros Model has 87000 quadratic constraints Presolve time: 0.21s Presolved: 174000 rows, 261002 columns, 348000 nonzeros Presolved model has 87000 second-order cone constraints Ordering time: 0.03s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.610e+05 Factor NZ : 6.090e+05 (roughly 180 MBytes of memory) Factor Ops : 2.175e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 7.31086531e+07 0.00000000e+00 9.39e-12 4.98e-01 2.89e+02 1s 1 1.49519658e+07 3.10901073e+06 1.17e-06 4.52e-05 4.54e+01 1s 2 1.12584496e+07 8.98842611e+06 1.69e-07 2.69e-06 8.70e+00 1s 3 1.03798930e+07 9.91973391e+06 3.75e-08 3.26e-07 1.76e+00 2s 4 1.00933052e+07 1.00576591e+07 2.21e-09 1.99e-08 1.37e-01 2s 5 1.00704978e+07 1.00685528e+07 1.63e-10 7.38e-11 7.45e-03 3s 6 1.00688931e+07 1.00686301e+07 2.07e-11 2.18e-11 1.01e-03 3s 7 1.00687815e+07 1.00686599e+07 1.07e-11 2.88e-12 4.66e-04 3s 8 1.00686823e+07 1.00686622e+07 2.13e-12 1.05e-11 7.72e-05 4s 9 1.00686715e+07 1.00686637e+07 9.95e-13 1.03e-11 2.98e-05 4s Barrier solved model in 9 iterations and 3.96 seconds Optimal objective 1.00686715e+07