Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:45:44 2013 Optimize a model with 4200 rows, 6302 columns and 8400 nonzeros Model has 2100 quadratic constraints Presolve time: 0.00s Presolved: 4200 rows, 6302 columns, 8400 nonzeros Presolved model has 2100 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 6.300e+03 Factor NZ : 1.470e+04 (roughly 4 MBytes of memory) Factor Ops : 5.250e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 1.79814622e+06 0.00000000e+00 2.84e-14 4.68e-01 2.96e+02 0s 1 3.58096965e+05 7.13546634e+04 2.11e-08 4.89e-05 4.55e+01 0s 2 2.68526030e+05 2.12219514e+05 5.62e-08 6.11e-06 8.94e+00 0s 3 2.45335395e+05 2.36903485e+05 1.09e-08 8.42e-07 1.34e+00 0s 4 2.39392062e+05 2.39254681e+05 1.88e-09 3.00e-08 2.18e-02 0s 5 2.39289810e+05 2.39283889e+05 1.88e-10 4.48e-09 9.40e-04 0s 6 2.39285385e+05 2.39284112e+05 4.08e-10 4.08e-10 2.02e-04 0s 7 2.39284455e+05 2.39284167e+05 9.28e-11 1.74e-13 4.58e-05 0s 8 2.39284249e+05 2.39284195e+05 1.42e-11 2.32e-11 8.52e-06 0s Barrier solved model in 8 iterations and 0.08 seconds Optimal objective 2.39284249e+05