Gurobi 5.0.1 (linux64) logging started Wed Apr 24 10:31:50 2013 Optimize a model with 1210 rows, 121110 columns and 242110 nonzeros Presolve time: 0.23s Presolved: 1210 rows, 121110 columns, 242110 nonzeros Variable types: 121000 continuous, 110 integer (110 binary) Root relaxation: objective 1.604988e+05, 4434 iterations, 0.22 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 160498.834 0 6 - 160498.834 - - 0s H 0 0 177775.00000 160498.834 9.72% - 0s 0 0 160627.307 0 5 177775.000 160627.307 9.65% - 1s H 0 0 177583.00000 160627.307 9.55% - 1s 0 0 160677.071 0 6 177583.000 160677.071 9.52% - 1s 0 0 160690.407 0 3 177583.000 160690.407 9.51% - 1s H 0 0 173601.40541 160690.407 7.44% - 1s H 0 0 172782.00000 160690.407 7.00% - 1s 0 0 160691.212 0 3 172782.000 160691.212 7.00% - 1s 0 0 160691.212 0 3 172782.000 160691.212 7.00% - 2s H 0 0 172168.00000 160691.212 6.67% - 2s 0 0 160697.542 0 3 172168.000 160697.542 6.66% - 2s 0 0 160697.542 0 3 172168.000 160697.542 6.66% - 2s 0 0 160697.542 0 3 172168.000 160697.542 6.66% - 2s 0 0 160699.415 0 3 172168.000 160699.415 6.66% - 3s H 0 0 171877.00000 160699.415 6.50% - 3s 0 0 160701.811 0 3 171877.000 160701.811 6.50% - 3s H 0 0 171828.00000 160701.811 6.48% - 3s 0 0 160701.811 0 3 171828.000 160701.811 6.48% - 3s 0 0 160701.811 0 3 171828.000 160701.811 6.48% - 3s 0 0 160701.811 0 3 171828.000 160701.811 6.48% - 4s 0 2 160712.422 0 3 171828.000 160712.422 6.47% - 4s H 1 1 168273.47069 160712.422 4.49% 0.0 4s 2 4 160785.651 2 3 168273.471 160785.651 4.45% 146 5s H 4 4 166669.37931 160828.432 3.50% 106 5s H 5 5 163646.00000 160828.432 1.72% 95.4 5s H 11 11 162664.00000 160828.432 1.13% 70.1 5s H 13 11 161909.00000 160828.432 0.67% 65.6 5s H 16 14 161621.00000 160828.432 0.49% 58.4 6s H 18 14 161552.00000 160828.432 0.45% 56.1 6s * 19 9 19 161164.00000 160828.432 0.21% 54.8 6s H 32 2 161130.10811 160884.624 0.15% 82.2 7s H 33 2 161130.00000 160951.293 0.11% 86.4 7s * 34 2 7 161112.00000 160951.293 0.10% 84.1 7s Cutting planes: Implied bound: 116 Flow cover: 4 Explored 37 nodes (8078 simplex iterations) in 7.39 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.611120000000e+05, best bound 1.611120000000e+05, gap 0.0%