Gurobi 5.0.1 (linux64) logging started Tue Jan 22 21:30:59 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 6.09943286e+07 0.00000000e+00 1.05e-11 5.01e-01 2.92e+02 0s 1 1.24270626e+07 2.55807806e+06 1.71e-06 4.58e-05 4.57e+01 1s 2 9.32963146e+06 7.43557460e+06 1.69e-07 3.05e-06 8.77e+00 1s 3 8.58100624e+06 8.21759282e+06 3.74e-08 3.63e-07 1.68e+00 1s 4 8.37464216e+06 8.30995726e+06 4.67e-09 8.59e-08 2.99e-01 2s 5 8.34265478e+06 8.33952341e+06 2.96e-10 1.56e-09 1.45e-02 2s 6 8.34042483e+06 8.34018108e+06 1.61e-11 2.29e-10 1.13e-03 2s 7 8.34033850e+06 8.34029807e+06 4.92e-12 3.39e-12 1.87e-04 3s 8 8.34031324e+06 8.34029992e+06 1.88e-12 7.64e-12 6.17e-05 3s 9 8.34030306e+06 8.34030020e+06 1.14e-12 5.75e-12 1.32e-05 3s Barrier solved model in 9 iterations and 3.26 seconds Optimal objective 8.34030306e+06