Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:56:04 2013 Optimize a model with 116000 rows, 174002 columns and 232000 nonzeros Model has 58000 quadratic constraints Presolve time: 0.13s Presolved: 116000 rows, 174002 columns, 232000 nonzeros Presolved model has 58000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.740e+05 Factor NZ : 4.060e+05 (roughly 120 MBytes of memory) Factor Ops : 1.450e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.94109150e+07 0.00000000e+00 8.07e-12 5.00e-01 2.94e+02 0s 1 1.00039498e+07 2.04790878e+06 9.44e-07 4.64e-05 4.57e+01 0s 2 7.51451415e+06 5.98244482e+06 1.36e-07 2.79e-06 8.80e+00 1s 3 6.90808582e+06 6.61553970e+06 2.96e-08 3.35e-07 1.68e+00 1s 4 6.74930733e+06 6.68869242e+06 4.64e-09 8.56e-08 3.48e-01 1s 5 6.71731289e+06 6.71271157e+06 2.19e-10 7.80e-09 2.64e-02 2s 6 6.71611260e+06 6.71526496e+06 7.85e-11 4.97e-10 4.87e-03 2s 7 6.71550091e+06 6.71543609e+06 6.07e-12 1.97e-11 3.73e-04 2s 8 6.71546532e+06 6.71544242e+06 2.46e-12 2.45e-12 1.32e-04 2s 9 6.71545676e+06 6.71544250e+06 4.33e-12 3.35e-12 8.20e-05 3s 10 6.71545155e+06 6.71544266e+06 2.88e-12 5.69e-12 5.11e-05 3s 11 6.71545005e+06 6.71544269e+06 3.89e-12 2.40e-12 4.23e-05 3s 12 6.71544689e+06 6.71544279e+06 2.42e-12 8.32e-13 2.36e-05 3s Barrier solved model in 12 iterations and 3.32 seconds Optimal objective 6.71544689e+06