Gurobi 5.6.3 (linux64) logging started Tue Oct 7 20:26:29 2014 Optimize a model with 225 rows, 211 columns and 798 nonzeros Found heuristic solution: objective 0.915683 Presolve time: 0.00s Presolved: 225 rows, 211 columns, 798 nonzeros Variable types: 1 continuous, 210 integer (210 binary) Root relaxation: objective 2.680098e-01, 194 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.26801 0 81 0.91568 0.26801 70.7% - 0s H 0 0 0.4405127 0.26801 39.2% - 0s 0 0 0.33287 0 14 0.44051 0.33287 24.4% - 0s 0 0 0.33287 0 14 0.44051 0.33287 24.4% - 0s H 0 0 0.3489572 0.33287 4.61% - 0s Explored 0 nodes (683 simplex iterations) in 0.02 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.489572149432e-01, best bound 3.489572149432e-01, gap 0.0%