Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:52:55 2012 Optimize a model with 395 rows, 381 columns and 1366 nonzeros Presolve removed 0 rows and 26 columns Presolve time: 0.00s Presolved: 395 rows, 355 columns, 1340 nonzeros Variable types: 0 continuous, 355 integer (354 binary) Found heuristic solution: objective 73.0000000 Root relaxation: objective 0.000000e+00, 195 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 0 150 73.00000 0.00000 100% - 0s H 0 0 63.0000000 0.00000 100% - 0s H 0 0 56.0000000 0.00000 100% - 0s 0 0 0.35749 0 151 56.00000 0.35749 99.4% - 0s H 0 0 51.0000000 0.35749 99.3% - 0s 0 0 1.01920 0 157 51.00000 1.01920 98.0% - 0s H 0 0 40.0000000 1.01920 97.5% - 0s 0 0 1.02013 0 159 40.00000 1.02013 97.4% - 0s 0 0 1.02013 0 159 40.00000 1.02013 97.4% - 0s H 0 0 37.0000000 1.02013 97.2% - 0s H 0 0 36.0000000 1.02013 97.2% - 0s 0 2 1.02065 0 158 36.00000 1.02065 97.2% - 0s H 27 24 14.0000000 2.92118 79.1% 29.1 0s * 169 23 7 13.0000000 9.48148 27.1% 25.4 0s Cutting planes: Gomory: 3 Zero half: 2 Explored 209 nodes (5757 simplex iterations) in 0.26 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.300000000000e+01, best bound 1.300000000000e+01, gap 0.0%