Gurobi 5.0.1 (linux64) logging started Wed Apr 24 05:42:17 2013 Optimize a model with 979 rows, 79299 columns and 158509 nonzeros Presolve time: 0.13s Presolved: 979 rows, 79299 columns, 158509 nonzeros Variable types: 79210 continuous, 89 integer (89 binary) Root relaxation: objective 9.716706e+04, 2590 iterations, 0.11 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 97167.0569 0 6 - 97167.0569 - - 0s H 0 0 106717.00000 97167.0569 8.95% - 0s 0 0 97534.4338 0 4 106717.000 97534.4338 8.60% - 0s H 0 0 103806.00000 97534.4338 6.04% - 0s 0 0 97608.2724 0 4 103806.000 97608.2724 5.97% - 0s H 0 0 100557.00000 97608.2724 2.93% - 0s 0 0 97644.4374 0 4 100557.000 97644.4374 2.90% - 1s H 0 0 100423.00000 97644.4374 2.77% - 1s 0 0 97655.4532 0 3 100423.000 97655.4532 2.76% - 1s 0 0 97655.6205 0 3 100423.000 97655.6205 2.76% - 1s 0 0 97657.9505 0 3 100423.000 97657.9505 2.75% - 1s H 0 0 100369.00000 97657.9505 2.70% - 1s 0 0 97658.4319 0 3 100369.000 97658.4319 2.70% - 1s H 0 0 100340.00000 97658.4319 2.67% - 1s H 0 0 98574.000000 97658.4319 0.93% - 1s 0 0 97658.4319 0 3 98574.0000 97658.4319 0.93% - 1s 0 0 97658.4319 0 6 98574.0000 97658.4319 0.93% - 2s 0 0 97658.4319 0 4 98574.0000 97658.4319 0.93% - 2s 0 0 97658.4319 0 4 98574.0000 97658.4319 0.93% - 2s 0 0 97658.4319 0 5 98574.0000 97658.4319 0.93% - 2s 0 0 97658.4319 0 3 98574.0000 97658.4319 0.93% - 2s 0 0 97658.4319 0 3 98574.0000 97658.4319 0.93% - 2s 0 0 97658.4319 0 3 98574.0000 97658.4319 0.93% - 2s 0 0 97658.4319 0 3 98574.0000 97658.4319 0.93% - 2s 0 0 97658.4380 0 3 98574.0000 97658.4380 0.93% - 2s 0 0 97658.4380 0 3 98574.0000 97658.4380 0.93% - 3s 0 2 97703.1278 0 3 98574.0000 97703.1278 0.88% - 3s H 7 5 98089.140000 97755.9036 0.34% 88.7 3s * 11 5 9 98056.000000 97755.9036 0.31% 71.6 3s Cutting planes: Implied bound: 127 Flow cover: 4 Explored 27 nodes (7331 simplex iterations) in 4.09 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 9.805600000000e+04, best bound 9.805600000000e+04, gap 0.0%