Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:47:34 2013 Optimize a model with 8400 rows, 12602 columns and 16800 nonzeros Model has 4200 quadratic constraints Presolve time: 0.01s Presolved: 8400 rows, 12602 columns, 16800 nonzeros Presolved model has 4200 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.260e+04 Factor NZ : 2.940e+04 (roughly 9 MBytes of memory) Factor Ops : 1.050e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 3.64095168e+06 0.00000000e+00 7.11e-14 4.95e-01 2.99e+02 0s 1 7.24014202e+05 1.45518752e+05 7.14e-08 4.98e-05 4.59e+01 0s 2 5.43106189e+05 4.29690090e+05 7.96e-08 6.28e-06 9.00e+00 0s 3 4.99857210e+05 4.80951207e+05 2.63e-08 5.63e-07 1.50e+00 0s 4 4.84820453e+05 4.84257036e+05 3.30e-09 5.65e-08 4.47e-02 0s 5 4.84615566e+05 4.84598679e+05 2.06e-10 1.42e-08 1.34e-03 0s 6 4.84606025e+05 4.84602239e+05 2.71e-10 3.55e-09 3.00e-04 0s 7 4.84604182e+05 4.84602818e+05 4.48e-09 1.48e-09 1.08e-04 0s 8 4.84603448e+05 4.84603113e+05 8.87e-10 4.49e-10 2.65e-05 0s Barrier solved model in 8 iterations and 0.15 seconds Optimal objective 4.84603448e+05