Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:42:28 2012 Optimize a model with 369 rows, 359 columns and 1279 nonzeros Presolve removed 0 rows and 23 columns Presolve time: 0.00s Presolved: 369 rows, 336 columns, 1256 nonzeros Variable types: 0 continuous, 336 integer (335 binary) Found heuristic solution: objective 63.0000000 Root relaxation: objective 0.000000e+00, 216 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 0 143 63.00000 0.00000 100% - 0s H 0 0 51.0000000 0.00000 100% - 0s H 0 0 49.0000000 0.00000 100% - 0s H 0 0 43.0000000 0.00000 100% - 0s 0 0 0.37051 0 144 43.00000 0.37051 99.1% - 0s H 0 0 41.0000000 0.37051 99.1% - 0s 0 0 1.00000 0 146 41.00000 1.00000 97.6% - 0s H 0 0 35.0000000 1.00000 97.1% - 0s H 0 0 33.0000000 1.00000 97.0% - 0s 0 0 1.00000 0 146 33.00000 1.00000 97.0% - 0s 0 0 1.00000 0 143 33.00000 1.00000 97.0% - 0s H 0 0 27.0000000 1.00000 96.3% - 0s H 0 0 26.0000000 1.00000 96.2% - 0s H 0 0 20.0000000 1.00000 95.0% - 0s 0 2 1.00000 0 143 20.00000 1.00000 95.0% - 0s H 54 50 13.0000000 1.63504 87.4% 21.2 0s * 70 31 44 12.0000000 1.63504 86.4% 18.7 0s * 94 36 18 11.0000000 1.79487 83.7% 19.8 0s Cutting planes: Gomory: 2 Explored 271 nodes (7849 simplex iterations) in 0.30 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%