Gurobi 5.0.1 (linux64) logging started Mon Feb 4 16:01:00 2013 Optimize a model with 92 rows, 64 columns and 288 nonzeros Presolve removed 48 rows and 36 columns Presolve time: 0.00s Presolved: 44 rows, 28 columns, 147 nonzeros Variable types: 3 continuous, 25 integer (25 binary) Found heuristic solution: objective 1173.0000000 Root relaxation: objective 1.070898e+03, 7 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1070.89796 0 4 1173.00000 1070.89796 8.70% - 0s 0 0 1073.34062 0 6 1173.00000 1073.34062 8.50% - 0s 0 0 1074.60501 0 7 1173.00000 1074.60501 8.39% - 0s 0 0 1074.81419 0 7 1173.00000 1074.81419 8.37% - 0s H 0 0 1093.0000000 1074.81419 1.66% - 0s H 0 0 1075.0000000 1074.81419 0.02% - 0s Cutting planes: Gomory: 1 MIR: 3 Explored 0 nodes (28 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.075000000000e+03, best bound 1.075000000000e+03, gap 0.0%