Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:34:22 2012 Optimize a model with 267 rows, 295 columns and 960 nonzeros Presolve removed 0 rows and 29 columns Presolve time: 0.00s Presolved: 267 rows, 266 columns, 931 nonzeros Variable types: 0 continuous, 266 integer (265 binary) Found heuristic solution: objective 45.0000000 Root relaxation: objective 0.000000e+00, 167 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 0 104 45.00000 0.00000 100% - 0s H 0 0 41.0000000 0.00000 100% - 0s H 0 0 38.0000000 0.00000 100% - 0s H 0 0 30.0000000 0.00000 100% - 0s H 0 0 22.0000000 0.00000 100% - 0s 0 0 0.00000 0 105 22.00000 0.00000 100% - 0s H 0 0 14.0000000 0.00000 100% - 0s 0 0 0.00000 0 104 14.00000 0.00000 100% - 0s H 0 0 10.0000000 0.00000 100% - 0s 0 2 0.00000 0 104 10.00000 0.00000 100% - 0s H 27 25 5.0000000 0.92000 81.6% 18.2 0s * 35 12 23 4.0000000 0.92000 77.0% 15.2 0s * 92 5 5 3.0000000 1.62791 45.7% 13.0 0s Explored 98 nodes (2062 simplex iterations) in 0.07 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.000000000000e+00, best bound 3.000000000000e+00, gap 0.0%