Gurobi 5.0.1 (linux64) logging started Wed Apr 24 11:44:00 2013 Optimize a model with 1540 rows, 196140 columns and 392140 nonzeros Presolve time: 0.46s Presolved: 1540 rows, 196140 columns, 392140 nonzeros Variable types: 196000 continuous, 140 integer (140 binary) Root relaxation: objective 2.700248e+05, 7428 iterations, 0.65 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 270024.825 0 4 - 270024.825 - - 1s H 0 0 277795.00000 270024.825 2.80% - 1s 0 0 270142.015 0 3 277795.000 270142.015 2.75% - 2s H 0 0 274932.24000 270142.015 1.74% - 2s H 0 0 273048.00000 270142.015 1.06% - 2s 0 0 270152.851 0 1 273048.000 270152.851 1.06% - 2s 0 0 270152.851 0 4 273048.000 270152.851 1.06% - 3s 0 0 270152.851 0 3 273048.000 270152.851 1.06% - 4s 0 0 270152.851 0 1 273048.000 270152.851 1.06% - 4s H 0 0 273047.00000 270152.851 1.06% - 4s 0 0 270152.851 0 1 273047.000 270152.851 1.06% - 4s H 0 0 273041.00000 270152.851 1.06% - 4s 0 0 270155.742 0 1 273041.000 270155.742 1.06% - 5s H 0 0 270578.00000 270155.742 0.16% - 5s H 0 0 270510.00000 270155.742 0.13% - 5s 0 0 270155.742 0 1 270510.000 270155.742 0.13% - 5s 0 2 270157.447 0 1 270510.000 270157.447 0.13% - 5s 16 13 270158.497 14 4 270510.000 270158.497 0.13% 241 10s H 21 9 270470.00000 270162.473 0.11% 215 10s H 31 7 270337.00000 270294.692 0.02% 181 12s * 33 3 22 270296.00000 270296.000 0.0% 172 12s Cutting planes: Gomory: 1 Implied bound: 24 Flow cover: 4 Explored 34 nodes (19633 simplex iterations) in 12.06 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.702960000000e+05, best bound 2.702960000000e+05, gap 0.0%