Gurobi 5.0.1 (linux64) logging started Tue Jan 22 22:28:20 2013 Optimize a model with 180000 rows, 270002 columns and 360000 nonzeros Model has 90000 quadratic constraints Presolve time: 0.21s Presolved: 180000 rows, 270002 columns, 360000 nonzeros Presolved model has 90000 second-order cone constraints Ordering time: 0.03s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.700e+05 Factor NZ : 6.300e+05 (roughly 200 MBytes of memory) Factor Ops : 2.250e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 7.56595352e+07 0.00000000e+00 1.17e-11 5.01e-01 2.90e+02 1s 1 1.54837394e+07 3.22947023e+06 1.31e-06 4.50e-05 4.54e+01 1s 2 1.16742020e+07 9.33517032e+06 1.88e-07 2.65e-06 8.66e+00 1s 3 1.07463003e+07 1.02912790e+07 4.20e-08 3.23e-07 1.69e+00 2s 4 1.04832002e+07 1.04083080e+07 4.54e-09 7.38e-08 2.77e-01 2s 5 1.04495045e+07 1.04448539e+07 5.14e-10 2.03e-10 1.72e-02 3s 6 1.04453790e+07 1.04450768e+07 3.21e-11 1.63e-11 1.12e-03 3s 7 1.04452291e+07 1.04451073e+07 1.42e-11 8.61e-12 4.51e-04 3s 8 1.04451342e+07 1.04451093e+07 3.08e-12 5.45e-12 9.19e-05 4s 9 1.04451198e+07 1.04451109e+07 1.33e-12 1.87e-12 3.31e-05 4s Barrier solved model in 9 iterations and 4.12 seconds Optimal objective 1.04451198e+07