Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:44:16 2013 Optimize a model with 1200 rows, 1802 columns and 2400 nonzeros Model has 600 quadratic constraints Presolve time: 0.00s Presolved: 1200 rows, 1802 columns, 2400 nonzeros Presolved model has 600 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.800e+03 Factor NZ : 4.203e+03 (roughly 1 MByte of memory) Factor Ops : 1.500e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.08898802e+05 0.00000000e+00 2.84e-14 4.88e-01 2.92e+02 0s 1 1.04227195e+05 2.16828207e+04 5.58e-09 5.13e-05 4.59e+01 0s 2 7.85193229e+04 6.19103878e+04 2.92e-08 7.12e-06 9.23e+00 0s 3 7.12572609e+04 6.91495999e+04 1.67e-09 1.29e-06 1.17e+00 0s 4 7.00515399e+04 6.98582927e+04 2.67e-11 2.14e-07 1.07e-01 0s 5 7.00102249e+04 7.00055692e+04 3.37e-10 2.95e-08 2.59e-03 0s 6 7.00065078e+04 7.00059146e+04 4.11e-11 1.10e-09 3.30e-04 0s 7 7.00060786e+04 7.00059406e+04 9.77e-12 7.35e-11 7.67e-05 0s 8 7.00059877e+04 7.00059448e+04 8.20e-12 8.53e-12 2.38e-05 0s Barrier solved model in 8 iterations and 0.03 seconds Optimal objective 7.00059877e+04