Gurobi 5.0.1 (linux64) logging started Sat Nov 17 21:59:36 2012 Optimize a model with 477 rows, 270 columns and 1460 nonzeros Presolve time: 0.00s Presolved: 477 rows, 270 columns, 1460 nonzeros Variable types: 0 continuous, 270 integer (270 binary) Found heuristic solution: objective 119.0000000 Root relaxation: objective 0.000000e+00, 64 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.00000 0 32 119.00000 0.00000 100% - 0s H 0 0 111.0000000 0.00000 100% - 0s 0 0 1.16252 0 45 111.00000 1.16252 99.0% - 0s 0 0 1.24179 0 46 111.00000 1.24179 98.9% - 0s 0 0 1.25000 0 34 111.00000 1.25000 98.9% - 0s 0 0 1.25000 0 34 111.00000 1.25000 98.9% - 0s 0 0 1.30000 0 34 111.00000 1.30000 98.8% - 0s 0 0 1.30000 0 34 111.00000 1.30000 98.8% - 0s 0 0 1.30000 0 34 111.00000 1.30000 98.8% - 0s 0 0 1.30000 0 34 111.00000 1.30000 98.8% - 0s 0 2 1.51419 0 34 111.00000 1.51419 98.6% - 0s * 40 37 24 110.0000000 7.14800 93.5% 42.6 0s * 78 60 22 109.0000000 7.15000 93.4% 41.2 0s H 81 52 106.0000000 7.15000 93.3% 39.7 0s * 246 178 20 105.0000000 23.33333 77.8% 43.0 0s * 263 174 19 103.0000000 23.33333 77.3% 40.8 0s * 473 277 19 102.0000000 30.08095 70.5% 36.8 0s * 475 273 18 101.0000000 30.08095 70.2% 36.7 0s * 479 270 20 100.0000000 30.08095 69.9% 36.5 0s * 480 269 20 99.0000000 30.08095 69.6% 36.4 0s H 1067 390 98.0000000 34.63636 64.7% 36.4 1s * 2035 565 26 92.0000000 48.06667 47.8% 33.5 2s 3737 931 90.88235 24 142 92.00000 54.66667 40.6% 31.5 5s 8735 1640 85.35000 21 143 92.00000 62.93750 31.6% 29.4 10s 14434 2116 87.57895 22 145 92.00000 68.07692 26.0% 28.1 15s 21124 2352 cutoff 24 92.00000 72.21429 21.5% 26.9 20s 28146 2273 cutoff 24 92.00000 75.50000 17.9% 26.1 25s 35733 1825 89.88889 23 141 92.00000 78.00000 15.2% 25.2 30s 43256 980 cutoff 26 92.00000 81.13333 11.8% 24.6 35s Cutting planes: Gomory: 1 Mod-K: 4 Explored 46607 nodes (1128155 simplex iterations) in 36.87 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 9.200000000000e+01, best bound 9.200000000000e+01, gap 0.0%