Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:43:59 2013 Optimize a model with 840 rows, 1262 columns and 1680 nonzeros Model has 420 quadratic constraints Presolve time: 0.00s Presolved: 840 rows, 1262 columns, 1680 nonzeros Presolved model has 420 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.260e+03 Factor NZ : 2.943e+03 Factor Ops : 1.050e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 3.62520691e+05 0.00000000e+00 2.84e-14 4.92e-01 2.97e+02 0s 1 7.27775140e+04 1.49165115e+04 1.41e-08 5.08e-05 4.59e+01 0s 2 5.47198839e+04 4.30558607e+04 5.47e-09 7.18e-06 9.26e+00 0s 3 5.02142375e+04 4.79858057e+04 6.24e-09 1.86e-06 1.77e+00 0s 4 4.87828923e+04 4.87370078e+04 3.20e-10 4.75e-08 3.64e-02 0s 5 4.87519713e+04 4.87491948e+04 1.29e-10 6.99e-09 2.20e-03 0s 6 4.87502292e+04 4.87493864e+04 1.44e-10 9.20e-10 6.69e-04 0s 7 4.87496325e+04 4.87494425e+04 3.65e-09 2.47e-09 1.51e-04 0s 8 4.87495123e+04 4.87494547e+04 9.00e-10 1.25e-09 4.57e-05 0s 9 4.87494906e+04 4.87494654e+04 4.00e-10 4.53e-10 2.00e-05 0s Barrier solved model in 9 iterations and 0.02 seconds Optimal objective 4.87494906e+04