Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:37:42 2012 Optimize a model with 35 rows, 35 columns and 120 nonzeros Presolve removed 0 rows and 1 columns Presolve time: 0.00s Presolved: 35 rows, 34 columns, 119 nonzeros Variable types: 0 continuous, 34 integer (33 binary) Found heuristic solution: objective 8.0000000 Root relaxation: objective 0.000000e+00, 22 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 13 8.00000 0.00000 100% - 0s H 0 0 7.0000000 0.00000 100% - 0s H 0 0 5.0000000 0.00000 100% - 0s H 0 0 2.0000000 0.00000 100% - 0s 0 0 0.29091 0 15 2.00000 0.29091 85.5% - 0s 0 0 0.73034 0 19 2.00000 0.73034 63.5% - 0s 0 0 0.74648 0 17 2.00000 0.74648 62.7% - 0s 0 0 0.74648 0 17 2.00000 0.74648 62.7% - 0s 0 0 cutoff 0 2.00000 1.00000 50.0% - 0s Explored 0 nodes (93 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.000000000000e+00, best bound 2.000000000000e+00, gap 0.0%