Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:50:56 2013 Optimize a model with 12800 rows, 19202 columns and 25600 nonzeros Model has 6400 quadratic constraints Presolve time: 0.01s Presolved: 12800 rows, 19202 columns, 25600 nonzeros Presolved model has 6400 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.920e+04 Factor NZ : 4.480e+04 (roughly 13 MBytes of memory) Factor Ops : 1.600e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.56707343e+06 0.00000000e+00 1.07e-13 4.98e-01 3.00e+02 0s 1 1.11518479e+06 2.19872050e+05 4.77e-08 4.96e-05 4.66e+01 0s 2 8.29002414e+05 6.53337374e+05 6.82e-09 3.10e-06 9.15e+00 0s 3 7.59201914e+05 7.27059409e+05 9.73e-10 3.77e-07 1.67e+00 0s 4 7.39170420e+05 7.38513485e+05 3.51e-12 3.74e-13 3.42e-02 0s 5 7.38757447e+05 7.38691958e+05 4.55e-13 2.57e-13 3.41e-03 0s 6 7.38704639e+05 7.38697535e+05 8.53e-14 5.48e-13 3.70e-04 0s 7 7.38699639e+05 7.38698061e+05 1.99e-13 3.31e-13 8.22e-05 0s 8 7.38698875e+05 7.38698236e+05 2.34e-13 8.07e-13 3.33e-05 0s Barrier solved model in 8 iterations and 0.25 seconds Optimal objective 7.38698875e+05