Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:45:32 2013 Optimize a model with 3600 rows, 5402 columns and 7200 nonzeros Model has 1800 quadratic constraints Presolve time: 0.00s Presolved: 3600 rows, 5402 columns, 7200 nonzeros Presolved model has 1800 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 5.400e+03 Factor NZ : 1.260e+04 (roughly 4 MBytes of memory) Factor Ops : 4.500e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 1.54126266e+06 0.00000000e+00 2.84e-14 4.94e-01 2.95e+02 0s 1 3.10207848e+05 6.42100185e+04 4.09e-08 4.99e-05 4.56e+01 0s 2 2.34716272e+05 1.86518010e+05 3.35e-08 6.47e-06 8.93e+00 0s 3 2.15562222e+05 2.07650389e+05 1.39e-08 9.88e-07 1.47e+00 0s 4 2.09896490e+05 2.09506486e+05 1.83e-09 1.16e-07 7.22e-02 0s 5 2.09813356e+05 2.09777581e+05 5.33e-10 4.10e-09 6.62e-03 0s 6 2.09782718e+05 2.09778202e+05 6.42e-11 2.79e-13 8.36e-04 0s 7 2.09780875e+05 2.09778243e+05 3.72e-11 3.06e-13 4.87e-04 0s 8 2.09779154e+05 2.09778295e+05 2.67e-09 6.36e-11 1.59e-04 0s 9 2.09778685e+05 2.09778333e+05 1.08e-09 6.56e-12 6.52e-05 0s 10 2.09778572e+05 2.09778347e+05 7.00e-10 7.62e-13 4.16e-05 0s 11 2.09778514e+05 2.09778357e+05 5.01e-10 5.11e-13 2.90e-05 0s Barrier solved model in 11 iterations and 0.09 seconds Optimal objective 2.09778514e+05