Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:14:49 2013 Optimize a model with 64000 rows, 96002 columns and 128000 nonzeros Model has 32000 quadratic constraints Presolve time: 0.07s Presolved: 64000 rows, 96002 columns, 128000 nonzeros Presolved model has 32000 second-order cone constraints Ordering time: 0.01s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 9.600e+04 Factor NZ : 2.240e+05 (roughly 70 MBytes of memory) Factor Ops : 8.000e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 2.76132430e+07 0.00000000e+00 2.59e-12 5.02e-01 2.97e+02 0s 1 5.54296106e+06 1.11965625e+06 1.47e-07 4.75e-05 4.61e+01 0s 2 4.15483919e+06 3.29967612e+06 2.11e-08 2.88e-06 8.91e+00 0s 3 3.82697245e+06 3.65551600e+06 4.67e-09 3.41e-07 1.79e+00 1s 4 3.72742500e+06 3.70760199e+06 5.78e-10 1.47e-08 2.06e-01 1s 5 3.71113501e+06 3.71048885e+06 8.92e-12 8.46e-10 6.73e-03 1s 6 3.71088971e+06 3.71078263e+06 2.66e-12 4.72e-12 1.12e-03 1s 7 3.71079912e+06 3.71078574e+06 5.04e-13 1.25e-12 1.39e-04 1s 8 3.71079218e+06 3.71078580e+06 5.68e-13 2.29e-13 6.65e-05 1s 9 3.71078926e+06 3.71078626e+06 2.98e-13 1.95e-12 3.12e-05 1s Barrier solved model in 9 iterations and 1.44 seconds Optimal objective 3.71078926e+06