Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:46:56 2013 Optimize a model with 7200 rows, 10802 columns and 14400 nonzeros Model has 3600 quadratic constraints Presolve time: 0.01s Presolved: 7200 rows, 10802 columns, 14400 nonzeros Presolved model has 3600 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.080e+04 Factor NZ : 2.520e+04 (roughly 7 MBytes of memory) Factor Ops : 9.000e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 3.13174420e+06 0.00000000e+00 4.26e-14 4.91e-01 3.00e+02 0s 1 6.15092618e+05 1.24204221e+05 3.02e-08 4.94e-05 4.55e+01 0s 2 4.65638798e+05 3.70434989e+05 1.11e-07 6.08e-06 8.82e+00 0s 3 4.29512656e+05 4.13280980e+05 2.80e-08 6.62e-07 1.50e+00 0s 4 4.18482668e+05 4.15917930e+05 2.35e-09 6.14e-08 2.37e-01 0s 5 4.16481892e+05 4.16310059e+05 1.74e-10 4.06e-12 1.59e-02 0s 6 4.16355929e+05 4.16315575e+05 4.09e-11 9.20e-14 3.74e-03 0s 7 4.16326168e+05 4.16316484e+05 9.69e-12 6.07e-14 8.97e-04 0s 8 4.16322116e+05 4.16317078e+05 3.41e-10 1.75e-09 4.66e-04 0s 9 4.16319654e+05 4.16317159e+05 1.61e-10 1.24e-09 2.31e-04 0s 10 4.16318746e+05 4.16317163e+05 9.61e-11 1.21e-09 1.47e-04 0s 11 4.16318173e+05 4.16317249e+05 5.18e-11 8.39e-10 8.55e-05 0s 12 4.16317936e+05 4.16317421e+05 3.29e-11 2.94e-10 4.77e-05 0s 13 4.16317774e+05 4.16317467e+05 1.91e-11 1.92e-10 2.85e-05 0s Barrier solved model in 13 iterations and 0.21 seconds Optimal objective 4.16317774e+05