Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:28:14 2014 Optimize a model with 1333 rows, 1332 columns and 3924 nonzeros Presolve time: 0.02s Presolved: 1333 rows, 1332 columns, 3924 nonzeros Variable types: 0 continuous, 1332 integer (1332 binary) Found heuristic solution: objective 9.2703438 Root relaxation: objective 6.070593e+00, 347 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 6.0705934 6.07059 0.00% - 0s Explored 0 nodes (347 simplex iterations) in 0.03 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 6.070593351648e+00, best bound 6.070593351648e+00, gap 0.0%