Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:54:24 2012 Optimize a model with 397 rows, 385 columns and 1375 nonzeros Presolve removed 0 rows and 24 columns Presolve time: 0.00s Presolved: 397 rows, 361 columns, 1351 nonzeros Variable types: 0 continuous, 361 integer (360 binary) Found heuristic solution: objective 68.0000000 Root relaxation: objective 0.000000e+00, 220 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 0 156 68.00000 0.00000 100% - 0s H 0 0 67.0000000 0.00000 100% - 0s H 0 0 66.0000000 0.00000 100% - 0s H 0 0 53.0000000 0.00000 100% - 0s H 0 0 44.0000000 0.00000 100% - 0s 0 0 0.41723 0 159 44.00000 0.41723 99.1% - 0s H 0 0 43.0000000 0.41723 99.0% - 0s H 0 0 35.0000000 0.41723 98.8% - 0s 0 0 0.97227 0 161 35.00000 0.97227 97.2% - 0s H 0 0 32.0000000 0.97227 97.0% - 0s 0 0 0.97282 0 163 32.00000 0.97282 97.0% - 0s 0 0 0.97282 0 163 32.00000 0.97282 97.0% - 0s 0 2 0.99868 0 162 32.00000 0.99868 96.9% - 0s H 27 27 25.0000000 1.17204 95.3% 32.4 0s * 47 33 29 14.0000000 1.17204 91.6% 22.1 0s * 98 38 21 11.0000000 3.28979 70.1% 26.1 0s Cutting planes: Gomory: 4 Zero half: 2 Explored 281 nodes (7943 simplex iterations) in 0.33 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%