Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:45:31 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 1.54503525e+06 0.00000000e+00 2.84e-14 4.90e-01 2.96e+02 0s 1 3.08024890e+05 6.15909422e+04 3.33e-08 4.97e-05 4.56e+01 0s 2 2.30707306e+05 1.81544528e+05 2.12e-08 6.53e-06 9.10e+00 0s 3 2.10120716e+05 2.01465108e+05 6.49e-09 9.79e-07 1.60e+00 0s 4 2.05471168e+05 2.04310675e+05 5.68e-14 2.53e-07 2.15e-01 0s 5 2.05353830e+05 2.05330333e+05 3.16e-10 1.63e-08 4.35e-03 0s 6 2.05343731e+05 2.05340453e+05 3.99e-11 2.41e-09 6.07e-04 0s 7 2.05342461e+05 2.05342073e+05 2.23e-09 3.13e-09 7.19e-05 0s 8 2.05342290e+05 2.05342203e+05 1.89e-09 4.02e-11 1.61e-05 0s Barrier solved model in 8 iterations and 0.07 seconds Optimal objective 2.05342290e+05