Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:45:33 2013 Optimize a model with 3600 rows, 5402 columns and 7200 nonzeros Model has 1800 quadratic constraints Presolve time: 0.00s Presolved: 3600 rows, 5402 columns, 7200 nonzeros Presolved model has 1800 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 5.400e+03 Factor NZ : 1.260e+04 (roughly 4 MBytes of memory) Factor Ops : 4.500e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 1.55456337e+06 0.00000000e+00 2.84e-14 5.01e-01 2.97e+02 0s 1 3.07098329e+05 6.58088881e+04 1.44e-08 4.85e-05 4.47e+01 0s 2 2.50016101e+05 1.93985735e+05 6.41e-08 5.53e-06 1.04e+01 0s 3 2.20639424e+05 2.14761343e+05 2.51e-08 9.18e-07 1.09e+00 0s 4 2.15209400e+05 2.15137526e+05 2.87e-09 9.09e-08 1.33e-02 0s 5 2.15167546e+05 2.15160710e+05 2.16e-10 4.23e-09 1.27e-03 0s 6 2.15163688e+05 2.15162948e+05 5.72e-10 1.26e-08 1.37e-04 0s 7 2.15163248e+05 2.15163164e+05 6.06e-11 1.20e-09 1.56e-05 0s Barrier solved model in 7 iterations and 0.05 seconds Optimal objective 2.15163248e+05