Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:03:29 2013 Optimize a model with 36000 rows, 54002 columns and 72000 nonzeros Model has 18000 quadratic constraints Presolve time: 0.04s Presolved: 36000 rows, 54002 columns, 72000 nonzeros Presolved model has 18000 second-order cone constraints Ordering time: 0.01s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 5.400e+04 Factor NZ : 1.260e+05 (roughly 40 MBytes of memory) Factor Ops : 4.500e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 1.56573314e+07 0.00000000e+00 9.95e-13 5.04e-01 3.00e+02 0s 1 3.12841096e+06 6.23370659e+05 2.05e-07 4.84e-05 4.64e+01 0s 2 2.33515617e+06 1.84649211e+06 2.95e-08 2.99e-06 9.05e+00 0s 3 2.14476894e+06 2.05021841e+06 6.56e-09 3.64e-07 1.75e+00 0s 4 2.09541116e+06 2.07666271e+06 1.22e-09 6.48e-08 3.47e-01 0s 5 2.08332641e+06 2.08129656e+06 4.88e-11 1.43e-08 3.76e-02 1s 6 2.08298081e+06 2.08271363e+06 2.11e-11 3.23e-11 4.95e-03 1s 7 2.08278645e+06 2.08271554e+06 5.81e-12 1.63e-11 1.31e-03 1s 8 2.08272656e+06 2.08271789e+06 7.46e-13 5.65e-13 1.61e-04 1s 9 2.08272067e+06 2.08271795e+06 5.54e-13 1.40e-12 5.03e-05 1s 10 2.08271909e+06 2.08271820e+06 2.27e-13 6.99e-13 1.66e-05 1s Barrier solved model in 10 iterations and 0.86 seconds Optimal objective 2.08271909e+06