Gurobi 5.0.1 (linux64) logging started Wed Apr 24 09:59:17 2013 Optimize a model with 1100 rows, 100100 columns and 200100 nonzeros Presolve time: 0.20s Presolved: 1100 rows, 100100 columns, 200100 nonzeros Variable types: 100000 continuous, 100 integer (100 binary) Root relaxation: objective 1.169904e+05, 2931 iterations, 0.13 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 116990.423 0 10 - 116990.423 - - 0s H 0 0 127566.00000 116990.423 8.29% - 0s H 0 0 118837.00000 116990.423 1.55% - 0s 0 0 117685.612 0 9 118837.000 117685.612 0.97% - 1s 0 0 117805.567 0 8 118837.000 117805.567 0.87% - 1s 0 0 117805.567 0 10 118837.000 117805.567 0.87% - 1s 0 0 117805.567 0 8 118837.000 117805.567 0.87% - 1s 0 0 117816.368 0 8 118837.000 117816.368 0.86% - 2s 0 0 117876.550 0 7 118837.000 117876.550 0.81% - 2s 0 0 117885.323 0 7 118837.000 117885.323 0.80% - 2s 0 0 117887.777 0 8 118837.000 117887.777 0.80% - 2s 0 0 117891.736 0 7 118837.000 117891.736 0.80% - 2s 0 0 117892.315 0 9 118837.000 117892.315 0.79% - 2s 0 0 117892.471 0 6 118837.000 117892.471 0.79% - 2s 0 0 117892.471 0 6 118837.000 117892.471 0.79% - 3s 0 2 117911.285 0 6 118837.000 117911.285 0.78% - 3s H 10 9 118739.09434 118193.011 0.46% 129 4s H 11 7 118376.88235 118193.011 0.16% 122 4s * 13 6 11 118368.00000 118193.011 0.15% 106 4s Cutting planes: Implied bound: 192 Flow cover: 12 Explored 26 nodes (8479 simplex iterations) in 4.58 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.183680000000e+05, best bound 1.183680000000e+05, gap 0.0%