Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:52:02 2012 Optimize a model with 377 rows, 271 columns and 1211 nonzeros Presolve time: 0.00s Presolved: 377 rows, 271 columns, 1211 nonzeros Variable types: 0 continuous, 271 integer (271 binary) Found heuristic solution: objective 71.0000000 Root relaxation: objective 0.000000e+00, 122 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 82 71.00000 0.00000 100% - 0s H 0 0 65.0000000 0.00000 100% - 0s 0 0 0.51282 0 83 65.00000 0.51282 99.2% - 0s H 0 0 57.0000000 0.51282 99.1% - 0s 0 0 0.54627 0 85 57.00000 0.54627 99.0% - 0s H 0 0 55.0000000 0.54627 99.0% - 0s 0 0 0.54627 0 85 55.00000 0.54627 99.0% - 0s 0 2 0.64103 0 85 55.00000 0.64103 98.8% - 0s * 40 40 22 46.0000000 4.09091 91.1% 33.6 0s * 79 70 25 45.0000000 4.16541 90.7% 30.4 0s H 81 65 44.0000000 4.16541 90.5% 29.7 0s * 168 117 22 41.0000000 8.00000 80.5% 27.6 0s * 543 291 16 39.0000000 14.66667 62.4% 24.7 0s * 544 255 16 36.0000000 14.66667 59.3% 24.7 0s H 2111 410 35.0000000 21.51220 38.5% 24.4 2s * 2116 401 26 34.0000000 21.52000 36.7% 24.4 2s 5040 278 31.47761 24 120 34.00000 27.15385 20.1% 22.5 5s Cutting planes: Gomory: 1 Zero half: 1 Mod-K: 1 Explored 5915 nodes (130323 simplex iterations) in 5.71 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.400000000000e+01, best bound 3.400000000000e+01, gap 0.0%