Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:31 2014 Optimize a model with 466 rows, 241 columns and 1125 nonzeros Found heuristic solution: objective 1.00785 Presolve removed 15 rows and 0 columns Presolve time: 0.00s Presolved: 451 rows, 241 columns, 1110 nonzeros Variable types: 1 continuous, 240 integer (240 binary) Root relaxation: objective 2.601669e-02, 363 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.02602 0 233 1.00785 0.02602 97.4% - 0s H 0 0 0.4896831 0.02602 94.7% - 0s 0 0 0.20575 0 29 0.48968 0.20575 58.0% - 0s * 0 0 0 0.3806431 0.38064 0.00% - 0s Explored 0 nodes (1061 simplex iterations) in 0.04 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.806431206481e-01, best bound 3.806431206481e-01, gap 0.0%