Gurobi 5.0.1 (linux64) logging started Tue Jan 22 21:28:29 2013 Optimize a model with 144000 rows, 216002 columns and 288000 nonzeros Model has 72000 quadratic constraints Presolve time: 0.17s Presolved: 144000 rows, 216002 columns, 288000 nonzeros Presolved model has 72000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.160e+05 Factor NZ : 5.040e+05 (roughly 150 MBytes of memory) Factor Ops : 1.800e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.08904153e+07 0.00000000e+00 1.27e-11 4.99e-01 2.91e+02 0s 1 1.24083208e+07 2.56435750e+06 6.74e-07 4.58e-05 4.56e+01 1s 2 9.33834954e+06 7.44847556e+06 9.71e-08 2.73e-06 8.75e+00 1s 3 8.58777463e+06 8.22698726e+06 2.12e-08 3.27e-07 1.67e+00 1s 4 8.39596642e+06 8.31787742e+06 3.75e-09 8.10e-08 3.62e-01 2s 5 8.35324389e+06 8.34412759e+06 2.64e-10 1.29e-08 4.22e-02 2s 6 8.35106158e+06 8.34957130e+06 1.07e-10 1.36e-11 6.90e-03 2s 7 8.34999498e+06 8.34957223e+06 3.00e-11 2.80e-12 1.96e-03 3s 8 8.34969629e+06 8.34957826e+06 8.14e-12 2.53e-12 5.46e-04 3s 9 8.34960141e+06 8.34958306e+06 1.24e-12 2.07e-12 8.49e-05 3s 10 8.34959166e+06 8.34958441e+06 5.83e-13 4.10e-12 3.36e-05 4s Barrier solved model in 10 iterations and 3.54 seconds Optimal objective 8.34959166e+06