Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:34 2014 Optimize a model with 307 rows, 306 columns and 884 nonzeros Found heuristic solution: objective 7.06823 Presolve time: 0.00s Presolved: 307 rows, 306 columns, 884 nonzeros Variable types: 0 continuous, 306 integer (306 binary) Root relaxation: objective 3.677768e+00, 151 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 3.6777683 3.67777 0.00% - 0s Explored 0 nodes (151 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.677768265411e+00, best bound 3.677768265411e+00, gap 0.0%