Gurobi 5.0.1 (linux64) logging started Sat Nov 17 20:46:25 2012 Optimize a model with 473 rows, 266 columns and 1446 nonzeros Presolve time: 0.00s Presolved: 473 rows, 266 columns, 1446 nonzeros Variable types: 0 continuous, 266 integer (266 binary) Found heuristic solution: objective 117.0000000 Root relaxation: objective 0.000000e+00, 65 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 30 117.00000 0.00000 100% - 0s H 0 0 112.0000000 0.00000 100% - 0s 0 0 1.00000 0 32 112.00000 1.00000 99.1% - 0s 0 0 1.10000 0 32 112.00000 1.10000 99.0% - 0s 0 0 1.20000 0 32 112.00000 1.20000 98.9% - 0s 0 0 1.20000 0 32 112.00000 1.20000 98.9% - 0s 0 0 1.20000 0 32 112.00000 1.20000 98.9% - 0s 0 0 1.20000 0 32 112.00000 1.20000 98.9% - 0s 0 2 1.20000 0 32 112.00000 1.20000 98.9% - 0s * 30 30 15 108.0000000 8.10000 92.5% 52.4 0s * 32 30 17 99.0000000 8.10000 91.8% 50.1 0s H 550 295 95.0000000 33.27273 65.0% 38.1 0s 4125 849 cutoff 23 95.00000 60.07692 36.8% 31.7 5s * 6310 1092 25 93.0000000 66.00000 29.0% 30.2 6s 9740 1368 81.57895 20 146 93.00000 71.00000 23.7% 28.5 10s 16634 1329 89.88235 22 149 93.00000 76.75000 17.5% 26.7 15s 24040 649 89.50000 21 147 93.00000 81.00000 12.9% 25.4 20s Cutting planes: Gomory: 1 Zero half: 4 Explored 26500 nodes (663163 simplex iterations) in 21.42 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 9.300000000000e+01, best bound 9.300000000000e+01, gap 0.0%