Gurobi 5.0.1 (linux64) logging started Fri Jan 18 00:55:15 2013 Optimize a model with 180 rows, 465 columns and 1225 nonzeros Presolve removed 5 rows and 5 columns Presolve time: 0.00s Presolved: 175 rows, 460 columns, 1120 nonzeros Variable types: 360 continuous, 100 integer (100 binary) Root relaxation: objective 1.291780e+04, 44 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12917.7960 0 2 - 12917.7960 - - 0s H 0 0 13024.507184 12917.7960 0.82% - 0s 0 0 12937.1002 0 2 13024.5072 12937.1002 0.67% - 0s 0 0 12937.3512 0 2 13024.5072 12937.3512 0.67% - 0s 0 0 12942.4819 0 2 13024.5072 12942.4819 0.63% - 0s 0 0 12946.1235 0 2 13024.5072 12946.1235 0.60% - 0s 0 0 12948.9151 0 2 13024.5072 12948.9151 0.58% - 0s 0 0 12951.1896 0 2 13024.5072 12951.1896 0.56% - 0s 0 0 12953.1122 0 2 13024.5072 12953.1122 0.55% - 0s 0 0 12954.7784 0 2 13024.5072 12954.7784 0.54% - 0s 0 0 12956.2487 0 2 13024.5072 12956.2487 0.52% - 0s 0 0 12957.5641 0 2 13024.5072 12957.5641 0.51% - 0s 0 0 12958.7540 0 2 13024.5072 12958.7540 0.50% - 0s 0 0 12959.8397 0 2 13024.5072 12959.8397 0.50% - 0s 0 0 12960.8379 0 2 13024.5072 12960.8379 0.49% - 0s 0 0 12961.7612 0 2 13024.5072 12961.7612 0.48% - 0s 0 0 12962.6200 0 2 13024.5072 12962.6200 0.48% - 0s 0 0 12963.4226 0 2 13024.5072 12963.4226 0.47% - 0s 0 0 12964.1763 0 2 13024.5072 12964.1763 0.46% - 0s 0 0 12964.8876 0 2 13024.5072 12964.8876 0.46% - 0s 0 0 12965.5642 0 2 13024.5072 12965.5642 0.45% - 0s 0 0 12965.5642 0 2 13024.5072 12965.5642 0.45% - 0s H 0 0 12965.571202 12965.5642 0.00% - 0s Cutting planes: Gomory: 1 Implied bound: 1 Explored 0 nodes (413 simplex iterations) in 0.05 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.296557120244e+04, best bound 1.296556422041e+04, gap 0.0001%