Gurobi 5.0.1 (linux64) logging started Sat Dec 1 04:23:06 2012 Optimize a model with 162410 rows, 162409 columns and 808824 nonzeros Presolve removed 0 rows and 1 columns Presolve time: 4.85s Presolved: 162410 rows, 162408 columns, 808422 nonzeros Variable types: 402 continuous, 162006 integer (162006 binary) Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 13488 2.4650004e+03 1.476451e+02 0.000000e+00 5s 14766 2.4650000e+03 0.000000e+00 0.000000e+00 6s Root relaxation: objective 2.465000e+03, 14766 iterations, 5.87 seconds Total elapsed time = 30.41s Total elapsed time = 38.12s Total elapsed time = 41.95s Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 2465.00000 0 21 - 2465.00000 - - 44s H 0 0 2818.0000000 2465.00000 12.5% - 45s H 0 0 2766.0000000 2465.00000 10.9% - 46s H 0 0 2465.0000000 2465.00000 0.0% - 52s Explored 0 nodes (39796 simplex iterations) in 53.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.465000000000e+03, best bound 2.465000000000e+03, gap 0.0%