Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:12:57 2013 Optimize a model with 62000 rows, 93002 columns and 124000 nonzeros Model has 31000 quadratic constraints Presolve time: 0.07s Presolved: 62000 rows, 93002 columns, 124000 nonzeros Presolved model has 31000 second-order cone constraints Ordering time: 0.01s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 9.300e+04 Factor NZ : 2.170e+05 (roughly 60 MBytes of memory) Factor Ops : 7.750e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 2.67479708e+07 0.00000000e+00 2.70e-12 5.01e-01 2.97e+02 0s 1 5.40077710e+06 1.08707690e+06 1.12e-07 4.79e-05 4.64e+01 0s 2 4.02930696e+06 3.18665038e+06 1.63e-08 2.99e-06 9.06e+00 0s 3 3.70576400e+06 3.53667531e+06 3.54e-09 3.61e-07 1.82e+00 1s 4 3.60200783e+06 3.58342775e+06 2.15e-10 5.58e-08 2.00e-01 1s 5 3.59266007e+06 3.59250527e+06 2.96e-12 4.13e-11 1.66e-03 1s 6 3.59255173e+06 3.59252699e+06 6.39e-13 2.69e-12 2.66e-04 1s 7 3.59253329e+06 3.59252906e+06 3.41e-13 9.88e-13 4.54e-05 1s 8 3.59253051e+06 3.59252949e+06 3.98e-13 2.02e-12 1.10e-05 1s Barrier solved model in 8 iterations and 1.23 seconds Optimal objective 3.59253051e+06