Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:10:59 2012 Optimize a model with 1295 rows, 1332 columns and 5038 nonzeros Presolve removed 7 rows and 182 columns Presolve time: 0.07s Presolved: 1288 rows, 1150 columns, 4786 nonzeros Variable types: 0 continuous, 1150 integer (1150 binary) Found heuristic solution: objective 36.0000000 Found heuristic solution: objective 3.0000000 Root relaxation: objective 2.000000e+00, 69 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 62 3.00000 2.00000 33.3% - 0s 0 0 infeasible 0 3.00000 2.00000 33.3% - 0s Explored 0 nodes (135 simplex iterations) in 0.08 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%