Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:43:13 2012 Optimize a model with 379 rows, 39 columns and 758 nonzeros Presolve removed 262 rows and 0 columns Presolve time: 0.00s Presolved: 117 rows, 39 columns, 590 nonzeros Variable types: 0 continuous, 39 integer (39 binary) Found heuristic solution: objective 5.0000000 Root relaxation: objective 7.818841e+00, 84 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 7.81884 0 36 5.00000 7.81884 56.4% - 0s H 0 0 6.0000000 7.81884 30.3% - 0s 0 0 7.47023 0 36 6.00000 7.47023 24.5% - 0s 0 0 7.38501 0 36 6.00000 7.38501 23.1% - 0s H 0 0 7.0000000 7.38501 5.50% - 0s Cutting planes: Gomory: 1 Clique: 10 Zero half: 5 Explored 0 nodes (141 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 7.000000000000e+00, best bound 7.000000000000e+00, gap 0.0%