Gurobi 5.0.1 (linux64) logging started Wed Apr 24 11:27:34 2013 Optimize a model with 1430 rows, 169130 columns and 338130 nonzeros Presolve time: 0.37s Presolved: 1430 rows, 169130 columns, 338130 nonzeros Variable types: 169000 continuous, 130 integer (130 binary) Root relaxation: objective 1.860875e+05, 6406 iterations, 0.35 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 186087.512 0 7 - 186087.512 - - 0s H 0 0 216551.00000 186087.512 14.1% - 1s H 0 0 215558.00000 186087.512 13.7% - 1s 0 0 186279.240 0 4 215558.000 186279.240 13.6% - 1s H 0 0 202944.52494 186279.240 8.21% - 2s H 0 0 201613.00000 186279.240 7.61% - 2s H 0 0 198261.00000 186279.240 6.04% - 2s 0 0 186317.283 0 5 198261.000 186317.283 6.02% - 2s 0 0 186326.534 0 5 198261.000 186326.534 6.02% - 3s 0 0 186330.641 0 4 198261.000 186330.641 6.02% - 3s 0 0 186331.153 0 4 198261.000 186331.153 6.02% - 3s 0 0 186337.171 0 4 198261.000 186337.171 6.01% - 4s 0 0 186338.828 0 4 198261.000 186338.828 6.01% - 4s 0 0 186338.828 0 4 198261.000 186338.828 6.01% - 4s 0 0 186338.828 0 4 198261.000 186338.828 6.01% - 5s 0 0 186338.828 0 4 198261.000 186338.828 6.01% - 5s H 0 0 187070.00000 186338.828 0.39% - 6s 0 0 186338.828 0 7 187070.000 186338.828 0.39% - 7s 0 0 186338.828 0 4 187070.000 186338.828 0.39% - 7s 0 0 186338.828 0 5 187070.000 186338.828 0.39% - 8s 0 0 186338.828 0 5 187070.000 186338.828 0.39% - 8s 0 0 186338.828 0 4 187070.000 186338.828 0.39% - 8s 0 0 186338.828 0 4 187070.000 186338.828 0.39% - 8s 0 0 186338.828 0 4 187070.000 186338.828 0.39% - 8s 0 0 186339.342 0 4 187070.000 186339.342 0.39% - 9s 0 0 186339.342 0 4 187070.000 186339.342 0.39% - 9s 0 0 186339.342 0 4 187070.000 186339.342 0.39% - 9s 0 0 186339.342 0 4 187070.000 186339.342 0.39% - 9s 0 2 186355.746 0 4 187070.000 186355.746 0.38% - 10s H 12 10 187056.00000 186527.920 0.28% 82.5 11s H 13 10 186867.00000 186527.920 0.18% 82.2 11s H 14 9 186860.00000 186527.920 0.18% 77.1 11s H 15 9 186835.00000 186527.920 0.16% 73.1 11s * 16 8 15 186767.00000 186527.920 0.13% 70.4 11s Cutting planes: Implied bound: 134 Flow cover: 5 Explored 41 nodes (16334 simplex iterations) in 12.69 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.867670000000e+05, best bound 1.867670000000e+05, gap 0.0%