Gurobi 5.0.1 (linux64) logging started Wed Apr 24 09:28:14 2013 Optimize a model with 1089 rows, 98109 columns and 196119 nonzeros Presolve time: 0.17s Presolved: 1089 rows, 98109 columns, 196119 nonzeros Variable types: 98010 continuous, 99 integer (99 binary) Root relaxation: objective 1.193227e+05, 3176 iterations, 0.14 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 119322.675 0 9 - 119322.675 - - 0s H 0 0 127049.00000 119322.675 6.08% - 0s H 0 0 121075.00000 119322.675 1.45% - 0s 0 0 119516.048 0 6 121075.000 119516.048 1.29% - 1s 0 0 119516.048 0 9 121075.000 119516.048 1.29% - 1s 0 0 119521.910 0 6 121075.000 119521.910 1.28% - 1s 0 0 119546.739 0 6 121075.000 119546.739 1.26% - 2s 0 0 119556.035 0 6 121075.000 119556.035 1.25% - 2s 0 0 119556.942 0 6 121075.000 119556.942 1.25% - 2s 0 0 119557.791 0 5 121075.000 119557.791 1.25% - 2s 0 0 119557.794 0 6 121075.000 119557.794 1.25% - 2s 0 0 119558.493 0 6 121075.000 119558.493 1.25% - 2s 0 0 119559.714 0 6 121075.000 119559.714 1.25% - 2s 0 0 119559.842 0 6 121075.000 119559.842 1.25% - 2s 0 0 119560.970 0 5 121075.000 119560.970 1.25% - 3s 0 0 119561.214 0 5 121075.000 119561.214 1.25% - 3s 0 0 119561.214 0 5 121075.000 119561.214 1.25% - 3s 0 0 119561.214 0 5 121075.000 119561.214 1.25% - 3s H 0 0 119625.00000 119561.214 0.05% - 3s 0 1 119596.116 0 2 119625.000 119596.116 0.02% - 4s Cutting planes: Implied bound: 117 Flow cover: 9 Explored 3 nodes (7580 simplex iterations) in 4.18 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.196250000000e+05, best bound 1.196250000000e+05, gap 0.0%