Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:48:16 2013 Optimize a model with 9600 rows, 14402 columns and 19200 nonzeros Model has 4800 quadratic constraints Presolve time: 0.01s Presolved: 9600 rows, 14402 columns, 19200 nonzeros Presolved model has 4800 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.440e+04 Factor NZ : 3.360e+04 (roughly 10 MBytes of memory) Factor Ops : 1.200e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.18650474e+06 0.00000000e+00 8.53e-14 5.08e-01 3.00e+02 0s 1 8.31344774e+05 1.67275890e+05 3.45e-08 4.88e-05 4.61e+01 0s 2 6.25931952e+05 4.95199525e+05 2.85e-08 3.90e-06 9.08e+00 0s 3 5.77453375e+05 5.49836351e+05 5.95e-09 5.03e-07 1.92e+00 0s 4 5.58396083e+05 5.57945023e+05 5.33e-10 1.71e-08 3.13e-02 0s 5 5.58048268e+05 5.58026843e+05 9.44e-11 3.42e-09 1.49e-03 0s 6 5.58030132e+05 5.58027742e+05 1.44e-10 3.85e-10 1.66e-04 0s 7 5.58028411e+05 5.58027883e+05 3.27e-11 7.61e-12 3.67e-05 0s Barrier solved model in 7 iterations and 0.16 seconds Optimal objective 5.58028411e+05