Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:29:45 2014 Optimize a model with 1981 rows, 1980 columns and 5852 nonzeros Presolve time: 0.04s Presolved: 1981 rows, 1980 columns, 5852 nonzeros Variable types: 0 continuous, 1980 integer (1980 binary) Found heuristic solution: objective 9.5754121 Root relaxation: objective 5.826855e+00, 446 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 5.8268546 5.82685 0.00% - 0s Explored 0 nodes (446 simplex iterations) in 0.05 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 5.826854643533e+00, best bound 5.826854643533e+00, gap 0.0%