Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:44:47 2012 Optimize a model with 371 rows, 266 columns and 1191 nonzeros Presolve time: 0.00s Presolved: 371 rows, 266 columns, 1191 nonzeros Variable types: 0 continuous, 266 integer (266 binary) Found heuristic solution: objective 82.0000000 Root relaxation: objective 0.000000e+00, 115 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.00000 0 80 82.00000 0.00000 100% - 0s H 0 0 70.0000000 0.00000 100% - 0s 0 0 0.59091 0 81 70.00000 0.59091 99.2% - 0s H 0 0 69.0000000 0.59091 99.1% - 0s 0 0 0.63636 0 83 69.00000 0.63636 99.1% - 0s H 0 0 67.0000000 0.63636 99.1% - 0s 0 0 0.63636 0 83 67.00000 0.63636 99.1% - 0s H 0 0 64.0000000 0.63636 99.0% - 0s 0 2 0.63636 0 83 64.00000 0.63636 99.0% - 0s H 40 40 63.0000000 5.00000 92.1% 33.3 0s * 47 47 29 53.0000000 5.00000 90.6% 30.9 0s H 54 40 51.0000000 5.00132 90.2% 27.6 0s * 93 66 26 41.0000000 5.00132 87.8% 27.3 0s H 300 210 40.0000000 8.49495 78.8% 28.8 0s H 1261 416 38.0000000 20.55882 45.9% 26.0 1s * 1333 379 25 37.0000000 21.14306 42.9% 25.8 1s 4972 68 cutoff 22 37.00000 33.93333 8.29% 23.5 5s Cutting planes: Gomory: 1 Zero half: 1 Mod-K: 1 Explored 5055 nodes (118137 simplex iterations) in 5.04 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.700000000000e+01, best bound 3.700000000000e+01, gap 0.0%