Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:44:35 2013 Optimize a model with 1520 rows, 2282 columns and 3040 nonzeros Model has 760 quadratic constraints Presolve time: 0.00s Presolved: 1520 rows, 2282 columns, 3040 nonzeros Presolved model has 760 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.280e+03 Factor NZ : 5.323e+03 (roughly 2 MBytes of memory) Factor Ops : 1.900e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.38099181e+05 0.00000000e+00 2.84e-14 4.47e-01 2.89e+02 0s 1 1.27999623e+05 2.51125401e+04 9.64e-09 5.09e-05 4.51e+01 0s 2 9.39337207e+04 7.35169149e+04 9.42e-09 6.80e-06 8.95e+00 0s 3 8.52044543e+04 8.31461726e+04 1.02e-08 1.42e-06 9.03e-01 0s 4 8.37527712e+04 8.35954717e+04 4.82e-10 2.21e-07 6.90e-02 0s 5 8.36774645e+04 8.36701118e+04 1.15e-10 1.94e-09 3.22e-03 0s 6 8.36743557e+04 8.36725110e+04 1.37e-11 7.03e-10 8.09e-04 0s 7 8.36741378e+04 8.36738736e+04 7.01e-12 2.01e-11 1.16e-04 0s 8 8.36739736e+04 8.36738825e+04 2.32e-12 1.41e-11 4.00e-05 0s 9 8.36739420e+04 8.36738976e+04 1.34e-12 1.10e-11 1.95e-05 0s Barrier solved model in 9 iterations and 0.03 seconds Optimal objective 8.36739420e+04