Gurobi 5.0.1 (linux64) logging started Tue Jan 22 21:20:38 2013 Optimize a model with 138000 rows, 207002 columns and 276000 nonzeros Model has 69000 quadratic constraints Presolve time: 0.16s Presolved: 138000 rows, 207002 columns, 276000 nonzeros Presolved model has 69000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.070e+05 Factor NZ : 4.830e+05 (roughly 140 MBytes of memory) Factor Ops : 1.725e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.85177996e+07 0.00000000e+00 1.37e-11 5.01e-01 2.92e+02 0s 1 1.19278028e+07 2.44936150e+06 4.60e-07 4.60e-05 4.58e+01 1s 2 8.94440175e+06 7.11641897e+06 6.64e-08 2.77e-06 8.83e+00 1s 3 8.23705371e+06 7.86999963e+06 1.45e-08 3.34e-07 1.77e+00 1s 4 8.01234959e+06 7.98267725e+06 1.04e-09 1.47e-08 1.43e-01 2s 5 7.99009655e+06 7.98926091e+06 1.95e-11 3.61e-10 4.04e-03 2s 6 7.98965140e+06 7.98954296e+06 3.69e-12 2.90e-12 5.24e-04 2s 7 7.98956803e+06 7.98954884e+06 8.53e-13 2.81e-12 9.27e-05 3s 8 7.98956079e+06 7.98955035e+06 7.32e-13 9.01e-13 5.04e-05 3s 9 7.98955616e+06 7.98955065e+06 6.54e-13 7.49e-12 2.66e-05 3s Barrier solved model in 9 iterations and 3.17 seconds Optimal objective 7.98955616e+06