Gurobi 5.0.1 (linux64) logging started Tue Jan 22 22:06:17 2013 Optimize a model with 168000 rows, 252002 columns and 336000 nonzeros Model has 84000 quadratic constraints Presolve time: 0.19s Presolved: 168000 rows, 252002 columns, 336000 nonzeros Presolved model has 84000 second-order cone constraints Ordering time: 0.03s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.520e+05 Factor NZ : 5.880e+05 (roughly 170 MBytes of memory) Factor Ops : 2.100e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 7.08833714e+07 0.00000000e+00 7.52e-12 5.03e-01 2.91e+02 0s 1 1.44909854e+07 3.00815346e+06 2.42e-06 4.53e-05 4.56e+01 1s 2 1.09019108e+07 8.70386514e+06 3.49e-07 2.69e-06 8.72e+00 1s 3 1.00335577e+07 9.60888443e+06 7.74e-08 3.25e-07 1.69e+00 2s 4 9.78201617e+06 9.71753083e+06 6.71e-09 7.59e-08 2.56e-01 2s 5 9.75578867e+06 9.75245817e+06 7.44e-10 3.31e-11 1.32e-02 2s 6 9.75278803e+06 9.75254281e+06 5.28e-11 5.96e-12 9.73e-04 3s 7 9.75261548e+06 9.75256105e+06 1.22e-11 1.56e-11 2.16e-04 3s 8 9.75257898e+06 9.75256360e+06 3.69e-12 1.17e-11 6.10e-05 3s 9 9.75257412e+06 9.75256370e+06 2.57e-12 8.07e-12 4.13e-05 4s 10 9.75256919e+06 9.75256440e+06 1.03e-12 9.44e-12 1.90e-05 4s Barrier solved model in 10 iterations and 4.17 seconds Optimal objective 9.75256919e+06