Gurobi 5.0.1 (linux64) logging started Tue Jan 22 22:09:38 2013 Optimize a model with 170000 rows, 255002 columns and 340000 nonzeros Model has 85000 quadratic constraints Presolve time: 0.20s Presolved: 170000 rows, 255002 columns, 340000 nonzeros Presolved model has 85000 second-order cone constraints Ordering time: 0.03s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.550e+05 Factor NZ : 5.950e+05 (roughly 180 MBytes of memory) Factor Ops : 2.125e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 7.16918129e+07 0.00000000e+00 7.20e-12 5.03e-01 2.91e+02 0s 1 1.46584527e+07 3.04450453e+06 1.08e-06 4.53e-05 4.55e+01 1s 2 1.10300608e+07 8.80743650e+06 1.56e-07 2.68e-06 8.72e+00 1s 3 1.01518197e+07 9.72214734e+06 3.46e-08 3.25e-07 1.68e+00 2s 4 9.89739961e+06 9.83219303e+06 3.01e-09 7.55e-08 2.56e-01 2s 5 9.87088165e+06 9.86739627e+06 3.37e-10 4.26e-11 1.37e-02 2s 6 9.86772268e+06 9.86748371e+06 2.25e-11 3.59e-12 9.37e-04 3s 7 9.86754992e+06 9.86750051e+06 4.86e-12 1.56e-11 1.94e-04 3s 8 9.86751614e+06 9.86750302e+06 1.51e-12 2.05e-11 5.14e-05 3s 9 9.86751010e+06 9.86750458e+06 8.88e-13 1.10e-11 2.17e-05 4s Barrier solved model in 9 iterations and 3.91 seconds Optimal objective 9.86751010e+06