Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:00:58 2013 Optimize a model with 26000 rows, 39002 columns and 52000 nonzeros Model has 13000 quadratic constraints Presolve time: 0.03s Presolved: 26000 rows, 39002 columns, 52000 nonzeros Presolved model has 13000 second-order cone constraints Ordering time: 0.01s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 3.900e+04 Factor NZ : 9.100e+04 (roughly 27 MBytes of memory) Factor Ops : 3.250e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 1.12944174e+07 0.00000000e+00 4.26e-13 5.00e-01 2.99e+02 0s 1 2.24924029e+06 4.50195261e+05 1.55e-07 4.87e-05 4.61e+01 0s 2 1.68820664e+06 1.33791078e+06 2.24e-08 3.02e-06 8.98e+00 0s 3 1.55409259e+06 1.48305451e+06 4.99e-09 3.62e-07 1.82e+00 0s 4 1.51481048e+06 1.50108278e+06 8.74e-10 7.27e-08 3.52e-01 0s 5 1.50629277e+06 1.50505201e+06 7.18e-12 1.41e-08 3.18e-02 0s 6 1.50614004e+06 1.50611577e+06 7.96e-13 7.41e-11 6.22e-04 0s 7 1.50612378e+06 1.50612128e+06 1.63e-13 5.40e-12 6.40e-05 0s 8 1.50612237e+06 1.50612164e+06 1.78e-13 1.90e-12 1.87e-05 1s Barrier solved model in 8 iterations and 0.50 seconds Optimal objective 1.50612237e+06