Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:53:33 2013 Optimize a model with 114000 rows, 171002 columns and 228000 nonzeros Model has 57000 quadratic constraints Presolve time: 0.13s Presolved: 114000 rows, 171002 columns, 228000 nonzeros Presolved model has 57000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.710e+05 Factor NZ : 3.990e+05 (roughly 120 MBytes of memory) Factor Ops : 1.425e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.85569408e+07 0.00000000e+00 8.26e-12 5.00e-01 2.93e+02 0s 1 9.84660599e+06 2.01191621e+06 4.07e-07 4.65e-05 4.58e+01 0s 2 7.38885220e+06 5.87971513e+06 5.85e-08 2.78e-06 8.83e+00 1s 3 6.79326516e+06 6.49977925e+06 1.30e-08 3.40e-07 1.72e+00 1s 4 6.64228035e+06 6.57198362e+06 2.62e-09 9.09e-08 4.11e-01 1s 5 6.60291194e+06 6.59012086e+06 1.57e-10 3.07e-08 7.48e-02 2s 6 6.60115835e+06 6.59985286e+06 6.57e-11 1.22e-10 7.63e-03 2s 7 6.59993898e+06 6.59989596e+06 1.44e-12 3.45e-12 2.52e-04 2s 8 6.59991879e+06 6.59989794e+06 9.24e-13 1.31e-12 1.22e-04 2s 9 6.59990580e+06 6.59989836e+06 4.55e-13 8.49e-13 4.36e-05 3s 10 6.59990228e+06 6.59989860e+06 5.54e-13 3.90e-12 2.15e-05 3s Barrier solved model in 10 iterations and 2.76 seconds Optimal objective 6.59990228e+06