Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:57:46 2013 Optimize a model with 18600 rows, 27902 columns and 37200 nonzeros Model has 9300 quadratic constraints Presolve time: 0.02s Presolved: 18600 rows, 27902 columns, 37200 nonzeros Presolved model has 9300 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.790e+04 Factor NZ : 6.510e+04 (roughly 20 MBytes of memory) Factor Ops : 2.325e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 8.08065526e+06 0.00000000e+00 2.70e-13 5.06e-01 2.99e+02 0s 1 1.61464696e+06 3.25994659e+05 3.09e-07 4.88e-05 4.62e+01 0s 2 1.21339080e+06 9.60291686e+05 6.13e-08 3.86e-06 9.07e+00 0s 3 1.11320395e+06 1.06458647e+06 1.18e-08 4.94e-07 1.74e+00 0s 4 1.08621262e+06 1.07800495e+06 1.39e-09 1.15e-07 2.94e-01 0s 5 1.08505968e+06 1.07952477e+06 9.70e-10 7.44e-08 1.98e-01 0s 6 1.08398926e+06 1.08202379e+06 5.88e-10 7.71e-09 7.04e-02 0s 7 1.08238232e+06 1.08229395e+06 1.78e-11 6.43e-10 3.17e-03 0s 8 1.08233221e+06 1.08231843e+06 3.31e-12 4.77e-11 4.94e-04 0s 9 1.08232334e+06 1.08232074e+06 3.44e-10 8.39e-10 9.30e-05 0s 10 1.08232129e+06 1.08232088e+06 5.21e-11 2.48e-11 1.48e-05 0s Barrier solved model in 10 iterations and 0.42 seconds Optimal objective 1.08232129e+06