Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:30 2014 Optimize a model with 241 rows, 240 columns and 690 nonzeros Found heuristic solution: objective 5.9972 Presolve time: 0.00s Presolved: 241 rows, 240 columns, 690 nonzeros Variable types: 0 continuous, 240 integer (240 binary) Root relaxation: objective 3.198405e+00, 126 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 3.1984050 3.19840 0.00% - 0s Explored 0 nodes (126 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.198404956528e+00, best bound 3.198404956528e+00, gap 0.0%