Gurobi 5.0.1 (linux64) logging started Wed Apr 24 09:59:36 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 1.289072e+05, 4275 iterations, 0.21 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 128907.245 0 6 - 128907.245 - - 0s H 0 0 140246.00000 128907.245 8.08% - 0s 0 0 129106.765 0 4 140246.000 129106.765 7.94% - 0s H 0 0 137549.92690 129106.765 6.14% - 0s H 0 0 137135.00000 129106.765 5.85% - 1s 0 0 129151.246 0 4 137135.000 129151.246 5.82% - 1s H 0 0 133779.33462 129151.246 3.46% - 1s H 0 0 133435.00000 129151.246 3.21% - 1s 0 0 129167.908 0 4 133435.000 129167.908 3.20% - 1s 0 0 129170.467 0 3 133435.000 129170.467 3.20% - 1s H 0 0 133176.00000 129170.467 3.01% - 1s 0 0 129176.817 0 3 133176.000 129176.817 3.00% - 1s 0 0 129176.817 0 3 133176.000 129176.817 3.00% - 1s 0 0 129176.817 0 3 133176.000 129176.817 3.00% - 2s 0 0 129176.817 0 3 133176.000 129176.817 3.00% - 2s 0 0 129178.356 0 3 133176.000 129178.356 3.00% - 2s 0 0 129178.356 0 3 133176.000 129178.356 3.00% - 2s 0 0 129178.356 0 3 133176.000 129178.356 3.00% - 2s 0 2 129185.353 0 3 133176.000 129185.353 3.00% - 3s H 1 1 132647.55422 129185.353 2.61% 0.0 3s H 6 4 129413.89831 129264.829 0.12% 96.8 3s H 9 6 129399.00000 129264.829 0.10% 73.2 3s * 11 6 9 129339.00000 129264.829 0.06% 62.2 3s Cutting planes: Implied bound: 65 Flow cover: 4 Explored 19 nodes (5649 simplex iterations) in 4.17 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.293390000000e+05, best bound 1.293390000000e+05, gap 0.0%