Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:39:55 2012 Optimize a model with 327 rows, 334 columns and 1149 nonzeros Presolve removed 0 rows and 19 columns Presolve time: 0.00s Presolved: 327 rows, 315 columns, 1130 nonzeros Variable types: 0 continuous, 315 integer (314 binary) Found heuristic solution: objective 65.0000000 Root relaxation: objective 0.000000e+00, 214 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 0 139 65.00000 0.00000 100% - 0s H 0 0 39.0000000 0.00000 100% - 0s H 0 0 37.0000000 0.00000 100% - 0s H 0 0 34.0000000 0.00000 100% - 0s 0 0 0.24731 0 141 34.00000 0.24731 99.3% - 0s H 0 0 31.0000000 0.24731 99.2% - 0s H 0 0 30.0000000 0.24731 99.2% - 0s H 0 0 23.0000000 0.24731 98.9% - 0s 0 0 0.86643 0 143 23.00000 0.86643 96.2% - 0s H 0 0 15.0000000 0.86643 94.2% - 0s 0 0 0.86643 0 143 15.00000 0.86643 94.2% - 0s H 0 0 14.0000000 0.86643 93.8% - 0s H 0 0 11.0000000 0.86643 92.1% - 0s 0 2 0.88786 0 143 11.00000 0.88786 91.9% - 0s H 27 16 6.0000000 1.00000 83.3% 30.4 0s Cutting planes: Gomory: 3 Zero half: 5 Explored 110 nodes (3704 simplex iterations) in 0.18 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 6.000000000000e+00, best bound 6.000000000000e+00, gap 0.0%