Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:21:03 2012 Optimize a model with 7744 rows, 4160 columns and 27136 nonzeros Presolve removed 897 rows and 64 columns Presolve time: 0.16s Presolved: 6847 rows, 4096 columns, 24896 nonzeros Variable types: 0 continuous, 4096 integer (4096 binary) Found heuristic solution: objective 36.0000000 Root relaxation: objective 3.000000e+00, 7029 iterations, 0.60 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 3.0000000 3.00000 0.0% - 1s Explored 0 nodes (10999 simplex iterations) in 1.24 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.000000000000e+00, best bound 3.000000000000e+00, gap 0.0%