Gurobi 5.0.1 (linux64) logging started Tue Jan 22 21:27:07 2013 Optimize a model with 142000 rows, 213002 columns and 284000 nonzeros Model has 71000 quadratic constraints Presolve time: 0.17s Presolved: 142000 rows, 213002 columns, 284000 nonzeros Presolved model has 71000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.130e+05 Factor NZ : 4.970e+05 (roughly 150 MBytes of memory) Factor Ops : 1.775e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.00736897e+07 0.00000000e+00 1.48e-11 4.98e-01 2.91e+02 0s 1 1.22462277e+07 2.52126778e+06 7.92e-07 4.60e-05 4.57e+01 1s 2 9.19327568e+06 7.31713970e+06 1.15e-07 2.78e-06 8.81e+00 1s 3 8.46679230e+06 8.08957226e+06 2.50e-08 3.37e-07 1.77e+00 1s 4 8.24324260e+06 8.20650392e+06 2.45e-09 1.34e-08 1.72e-01 2s 5 8.21487696e+06 8.21236147e+06 1.19e-10 1.29e-09 1.18e-02 2s 6 8.21359087e+06 8.21312873e+06 2.64e-11 1.44e-10 2.17e-03 2s 7 8.21327795e+06 8.21322791e+06 3.36e-12 6.10e-12 2.35e-04 3s 8 8.21325989e+06 8.21322881e+06 3.10e-12 2.92e-12 1.46e-04 3s 9 8.21324261e+06 8.21322919e+06 1.58e-12 1.05e-11 6.30e-05 3s 10 8.21323750e+06 8.21322929e+06 1.11e-12 3.77e-12 3.85e-05 3s Barrier solved model in 10 iterations and 3.50 seconds Optimal objective 8.21323750e+06