Gurobi 5.0.1 (linux64) logging started Fri Nov 16 17:52:35 2012 Optimize a model with 6797 rows, 10712 columns and 30589 nonzeros Presolve removed 2 rows and 2 columns Presolve time: 0.14s Presolved: 6898 rows, 10710 columns, 41066 nonzeros Variable types: 0 continuous, 10710 integer (10710 binary) Found heuristic solution: objective 103.0000000 Found heuristic solution: objective 3.0000000 Root relaxation: objective 2.000000e+00, 176 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 2.00000 0 98 3.00000 2.00000 33.3% - 0s Explored 0 nodes (286 simplex iterations) in 0.19 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%