Gurobi 5.0.1 (linux64) logging started Tue Jan 22 22:26:53 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 7.54193470e+07 0.00000000e+00 1.34e-11 4.97e-01 2.89e+02 1s 1 1.54661843e+07 3.21344326e+06 2.54e-06 4.53e-05 4.54e+01 1s 2 1.16361880e+07 9.28000764e+06 3.68e-07 2.72e-06 8.73e+00 1s 3 1.07200420e+07 1.02471014e+07 8.05e-08 3.25e-07 1.75e+00 2s 4 1.04570636e+07 1.03667674e+07 1.40e-08 6.53e-08 3.34e-01 2s 5 1.04010677e+07 1.03858229e+07 8.64e-11 2.69e-08 5.65e-02 3s 6 1.04002260e+07 1.03998909e+07 2.14e-11 1.05e-10 1.24e-03 3s 7 1.03999743e+07 1.03999423e+07 1.96e-12 1.66e-11 1.18e-04 3s 8 1.03999561e+07 1.03999505e+07 5.26e-13 9.65e-12 2.08e-05 4s Barrier solved model in 8 iterations and 3.63 seconds Optimal objective 1.03999561e+07