Gurobi 5.0.1 (linux64) logging started Wed Apr 24 07:20:32 2013 Optimize a model with 1034 rows, 88454 columns and 176814 nonzeros Presolve time: 0.15s Presolved: 1034 rows, 88454 columns, 176814 nonzeros Variable types: 88360 continuous, 94 integer (94 binary) Root relaxation: objective 1.323461e+05, 3645 iterations, 0.14 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 132346.104 0 8 - 132346.104 - - 0s H 0 0 143670.00000 132346.104 7.88% - 0s 0 0 132566.036 0 7 143670.000 132566.036 7.73% - 0s H 0 0 140449.00000 132566.036 5.61% - 0s 0 0 132586.763 0 4 140449.000 132586.763 5.60% - 1s 0 0 132595.984 0 4 140449.000 132595.984 5.59% - 1s 0 0 132598.714 0 4 140449.000 132598.714 5.59% - 1s H 0 0 138220.35272 132598.714 4.07% - 1s H 0 0 137662.00000 132598.714 3.68% - 1s 0 0 132598.714 0 4 137662.000 132598.714 3.68% - 1s H 0 0 137655.00000 132598.714 3.67% - 1s 0 0 132598.714 0 4 137655.000 132598.714 3.67% - 1s 0 0 132598.714 0 4 137655.000 132598.714 3.67% - 1s H 0 0 132992.00000 132598.714 0.30% - 2s 0 0 132603.328 0 7 132992.000 132603.328 0.29% - 2s 0 0 132783.380 0 7 132992.000 132783.380 0.16% - 2s 0 0 132796.278 0 6 132992.000 132796.278 0.15% - 2s 0 0 132796.826 0 6 132992.000 132796.826 0.15% - 3s 0 0 132796.912 0 4 132992.000 132796.912 0.15% - 3s 0 0 132799.107 0 4 132992.000 132799.107 0.15% - 3s 0 0 132799.107 0 4 132992.000 132799.107 0.15% - 3s 0 0 132799.107 0 4 132992.000 132799.107 0.15% - 3s 0 0 132814.307 0 3 132992.000 132814.307 0.13% - 3s 0 2 132821.136 0 3 132992.000 132821.136 0.13% - 3s * 7 5 6 132936.00000 132821.136 0.09% 66.4 4s * 10 2 5 132932.00000 132821.136 0.08% 61.9 4s Cutting planes: Implied bound: 88 Flow cover: 4 Explored 14 nodes (8124 simplex iterations) in 4.24 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.329320000000e+05, best bound 1.329320000000e+05, gap 0.0%