Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:43:47 2013 Optimize a model with 480 rows, 722 columns and 960 nonzeros Model has 240 quadratic constraints Presolve time: 0.00s Presolved: 480 rows, 722 columns, 960 nonzeros Presolved model has 240 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 7.200e+02 Factor NZ : 1.683e+03 Factor Ops : 6.005e+03 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 1.89099582e+05 0.00000000e+00 2.84e-14 4.51e-01 2.73e+02 0s 1 3.76960989e+04 7.83196149e+03 2.01e-09 4.83e-05 4.15e+01 0s 2 2.85374924e+04 2.27632569e+04 6.16e-09 8.54e-06 8.02e+00 0s 3 2.60736968e+04 2.54915005e+04 1.35e-09 1.64e-06 8.09e-01 0s 4 2.56724856e+04 2.56480281e+04 4.56e-11 1.02e-07 3.40e-02 0s 5 2.56582154e+04 2.56541972e+04 1.96e-12 3.58e-08 5.58e-03 0s 6 2.56574624e+04 2.56559174e+04 7.11e-14 1.67e-08 2.15e-03 0s 7 2.56574266e+04 2.56573105e+04 4.19e-10 1.63e-09 1.61e-04 0s 8 2.56574124e+04 2.56573642e+04 1.42e-14 7.57e-10 6.69e-05 0s 9 2.56574111e+04 2.56574034e+04 3.55e-14 1.02e-10 1.07e-05 0s Barrier solved model in 9 iterations and 0.02 seconds Optimal objective 2.56574111e+04