Gurobi 5.0.1 (linux64) logging started Sun Nov 18 06:02:02 2012 Optimize a model with 433 rows, 414 columns and 1494 nonzeros Presolve removed 0 rows and 17 columns Presolve time: 0.00s Presolved: 433 rows, 397 columns, 1477 nonzeros Variable types: 0 continuous, 397 integer (396 binary) Found heuristic solution: objective 79.0000000 Root relaxation: objective 0.000000e+00, 263 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 0 165 79.00000 0.00000 100% - 0s H 0 0 54.0000000 0.00000 100% - 0s H 0 0 51.0000000 0.00000 100% - 0s 0 0 0.25033 0 167 51.00000 0.25033 100% - 0s H 0 0 46.0000000 0.25033 99.5% - 0s 0 0 0.81933 0 170 46.00000 0.81933 98.2% - 0s H 0 0 38.0000000 0.81933 97.8% - 0s H 0 0 34.0000000 0.81933 97.6% - 0s 0 0 0.81937 0 172 34.00000 0.81937 97.6% - 0s 0 0 0.81937 0 172 34.00000 0.81937 97.6% - 0s H 0 0 29.0000000 0.81937 97.2% - 0s H 0 0 26.0000000 0.81937 96.8% - 0s 0 2 0.81947 0 172 26.00000 0.81947 96.8% - 0s H 27 27 24.0000000 1.00000 95.8% 52.5 0s * 44 32 27 13.0000000 1.00000 92.3% 38.7 0s * 347 105 13 11.0000000 1.41580 87.1% 34.4 0s Cutting planes: Gomory: 4 Mod-K: 3 Explored 860 nodes (32531 simplex iterations) in 1.13 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.100000000000e+01, best bound 1.100000000000e+01, gap 0.0%