Gurobi 5.0.1 (linux64) logging started Tue Nov 20 12:32:00 2012 Optimize a model with 102 rows, 59 columns and 204 nonzeros Presolve removed 15 rows and 7 columns Presolve time: 0.00s Presolved: 87 rows, 52 columns, 177 nonzeros Variable types: 0 continuous, 52 integer (52 binary) Found heuristic solution: objective 28.0000000 Root relaxation: objective 3.000000e+01, 59 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 30.0000000 30.00000 0.0% - 0s Explored 0 nodes (78 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.000000000000e+01, best bound 3.000000000000e+01, gap 0.0%