Gurobi 5.0.1 (linux64) logging started Tue Jan 22 21:09:40 2013 Optimize a model with 128000 rows, 192002 columns and 256000 nonzeros Model has 64000 quadratic constraints Presolve time: 0.15s Presolved: 128000 rows, 192002 columns, 256000 nonzeros Presolved model has 64000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.920e+05 Factor NZ : 4.480e+05 (roughly 130 MBytes of memory) Factor Ops : 1.600e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.44291998e+07 0.00000000e+00 9.93e-12 5.01e-01 2.93e+02 0s 1 1.10355447e+07 2.27119640e+06 1.05e-06 4.60e-05 4.56e+01 1s 2 8.30770870e+06 6.62511768e+06 1.10e-07 2.74e-06 8.76e+00 1s 3 7.64316413e+06 7.31539613e+06 2.46e-08 3.35e-07 1.71e+00 1s 4 7.46591611e+06 7.40099886e+06 4.15e-09 7.50e-08 3.38e-01 2s 5 7.42865338e+06 7.41028153e+06 1.41e-10 4.74e-08 9.57e-02 2s 6 7.42739556e+06 7.42486967e+06 4.57e-11 5.48e-09 1.32e-02 2s 7 7.42708187e+06 7.42668995e+06 2.20e-11 2.74e-10 2.04e-03 2s 8 7.42680256e+06 7.42678224e+06 1.10e-12 1.12e-11 1.06e-04 3s 9 7.42679082e+06 7.42678523e+06 6.18e-13 1.46e-12 2.92e-05 3s Barrier solved model in 9 iterations and 2.83 seconds Optimal objective 7.42679082e+06