Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:53:23 2012 Optimize a model with 385 rows, 377 columns and 1337 nonzeros Presolve removed 0 rows and 26 columns Presolve time: 0.00s Presolved: 385 rows, 351 columns, 1311 nonzeros Variable types: 0 continuous, 351 integer (350 binary) Found heuristic solution: objective 62.0000000 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 0 151 62.00000 0.00000 100% - 0s H 0 0 54.0000000 0.00000 100% - 0s 0 0 0.36142 0 152 54.00000 0.36142 99.3% - 0s H 0 0 40.0000000 0.36142 99.1% - 0s 0 0 1.00000 0 153 40.00000 1.00000 97.5% - 0s H 0 0 30.0000000 1.00000 96.7% - 0s 0 0 1.00000 0 155 30.00000 1.00000 96.7% - 0s 0 0 1.00000 0 151 30.00000 1.00000 96.7% - 0s 0 2 1.00000 0 151 30.00000 1.00000 96.7% - 0s H 27 27 24.0000000 2.79054 88.4% 33.6 0s * 33 28 19 12.0000000 2.79054 76.7% 30.1 0s * 124 52 9 11.0000000 4.60000 58.2% 23.9 0s Cutting planes: Gomory: 3 Explored 327 nodes (8932 simplex iterations) in 0.37 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%