Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:30:56 2014 Optimize a model with 2353 rows, 2352 columns and 6960 nonzeros Presolve time: 0.04s Presolved: 2353 rows, 2352 columns, 6960 nonzeros Variable types: 0 continuous, 2352 integer (2352 binary) Found heuristic solution: objective 10.0851377 Root relaxation: objective 7.001630e+00, 553 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 7.0016300 7.00163 0.00% - 0s Explored 0 nodes (553 simplex iterations) in 0.06 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 7.001629971320e+00, best bound 7.001629971320e+00, gap 0.0%