Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:45:19 2013 Optimize a model with 2600 rows, 3902 columns and 5200 nonzeros Model has 1300 quadratic constraints Presolve time: 0.00s Presolved: 2600 rows, 3902 columns, 5200 nonzeros Presolved model has 1300 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 3.900e+03 Factor NZ : 9.103e+03 (roughly 3 MBytes of memory) Factor Ops : 3.250e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 1.14647801e+06 0.00000000e+00 2.84e-14 5.06e-01 3.03e+02 0s 1 2.26208160e+05 4.59678692e+04 2.16e-08 4.97e-05 4.62e+01 0s 2 1.71125273e+05 1.35648794e+05 2.75e-08 6.47e-06 9.10e+00 0s 3 1.56766334e+05 1.50555905e+05 5.31e-09 1.01e-06 1.59e+00 0s 4 1.52988781e+05 1.52326502e+05 2.07e-09 3.00e-07 1.70e-01 0s 5 1.52862248e+05 1.52851863e+05 6.84e-11 2.28e-08 2.66e-03 0s 6 1.52859047e+05 1.52856217e+05 1.65e-11 6.73e-09 7.26e-04 0s 7 1.52858178e+05 1.52856509e+05 3.38e-12 5.59e-09 4.28e-04 0s 8 1.52857960e+05 1.52857235e+05 5.54e-13 2.69e-09 1.86e-04 0s 9 1.52857922e+05 1.52857466e+05 4.69e-13 1.77e-09 1.17e-04 0s 10 1.52857906e+05 1.52857734e+05 4.26e-14 6.78e-10 4.39e-05 0s 11 1.52857902e+05 1.52857901e+05 7.11e-14 6.26e-12 4.37e-07 0s Barrier solved model in 11 iterations and 0.07 seconds Optimal objective 1.52857902e+05