Gurobi 5.0.1 (linux64) logging started Wed Apr 24 05:25:25 2013 Optimize a model with 968 rows, 77528 columns and 154968 nonzeros Presolve time: 0.13s Presolved: 968 rows, 77528 columns, 154968 nonzeros Variable types: 77440 continuous, 88 integer (88 binary) Root relaxation: objective 1.126956e+05, 2682 iterations, 0.10 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 112695.648 0 8 - 112695.648 - - 0s H 0 0 123548.00000 112695.648 8.78% - 0s H 0 0 113433.00000 112695.648 0.65% - 0s 0 0 112944.809 0 4 113433.000 112944.809 0.43% - 0s 0 0 112944.809 0 8 113433.000 112944.809 0.43% - 1s 0 0 112946.303 0 5 113433.000 112946.303 0.43% - 1s 0 0 112986.468 0 3 113433.000 112986.468 0.39% - 1s 0 0 112986.640 0 3 113433.000 112986.640 0.39% - 1s 0 0 112992.056 0 3 113433.000 112992.056 0.39% - 1s 0 0 112997.232 0 3 113433.000 112997.232 0.38% - 1s 0 0 113001.418 0 4 113433.000 113001.418 0.38% - 1s 0 0 113003.765 0 4 113433.000 113003.765 0.38% - 1s 0 0 113004.892 0 3 113433.000 113004.892 0.38% - 1s 0 0 113004.899 0 3 113433.000 113004.899 0.38% - 1s 0 0 113004.978 0 2 113433.000 113004.978 0.38% - 2s 0 2 113005.635 0 2 113433.000 113005.635 0.38% - 2s H 6 4 113311.00000 113119.428 0.17% 55.2 2s H 12 7 113308.00000 113119.428 0.17% 45.3 2s H 14 8 113289.50000 113119.428 0.15% 40.2 2s H 17 8 113262.00000 113119.428 0.13% 36.4 2s * 19 8 15 113240.00000 113119.428 0.11% 33.6 2s * 24 1 9 113212.00000 113209.097 0.00% 38.7 3s Cutting planes: Implied bound: 81 Flow cover: 6 Explored 25 nodes (6472 simplex iterations) in 3.03 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.132120000000e+05, best bound 1.132090969697e+05, gap 0.0026%