Gurobi 5.0.1 (linux64) logging started Tue Nov 20 12:31:59 2012 Optimize a model with 88 rows, 57 columns and 176 nonzeros Presolve removed 38 rows and 20 columns Presolve time: 0.00s Presolved: 50 rows, 37 columns, 102 nonzeros Variable types: 0 continuous, 37 integer (37 binary) Found heuristic solution: objective 26.0000000 Root relaxation: objective 2.800000e+01, 41 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 28.0000000 28.00000 0.0% - 0s Explored 0 nodes (41 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.800000000000e+01, best bound 2.800000000000e+01, gap 0.0%