Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:45:12 2013 Optimize a model with 2000 rows, 3002 columns and 4000 nonzeros Model has 1000 quadratic constraints Presolve time: 0.00s Presolved: 2000 rows, 3002 columns, 4000 nonzeros Presolved model has 1000 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 3.000e+03 Factor NZ : 7.003e+03 (roughly 2 MBytes of memory) Factor Ops : 2.500e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 8.70912656e+05 0.00000000e+00 4.26e-14 5.14e-01 3.00e+02 0s 1 1.73864719e+05 3.64770835e+04 3.13e-09 4.96e-05 4.58e+01 0s 2 1.33445755e+05 1.05873545e+05 2.50e-08 6.88e-06 9.19e+00 0s 3 1.22122301e+05 1.17305236e+05 6.55e-09 1.07e-06 1.61e+00 0s 4 1.19503335e+05 1.18934242e+05 2.47e-09 1.33e-07 1.90e-01 0s 5 1.19097958e+05 1.19085986e+05 1.77e-10 1.30e-08 3.99e-03 0s 6 1.19090385e+05 1.19089357e+05 7.37e-10 5.27e-09 3.43e-04 0s 7 1.19089629e+05 1.19089432e+05 2.82e-09 1.44e-10 6.55e-05 0s 8 1.19089499e+05 1.19089448e+05 7.02e-10 9.16e-12 1.68e-05 0s Barrier solved model in 8 iterations and 0.04 seconds Optimal objective 1.19089499e+05