Gurobi 5.0.1 (linux64) logging started Sat Nov 17 20:33:11 2012 Optimize a model with 1 rows, 29 columns and 29 nonzeros Model has 200 quadratic objective terms Modified 29 Q diagonals Presolve time: 0.01s Presolved: 1 rows, 29 columns, 29 nonzeros Presolved model has 229 quadratic objective terms Variable types: 0 continuous, 29 integer (29 binary) Found heuristic solution: objective 104.0000000 Root relaxation: objective 0.000000e+00, 31 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 29 104.00000 0.00000 100% - 0s H 0 0 101.0000000 0.00000 100% - 0s H 0 0 98.0000000 0.00000 100% - 0s H 0 0 80.0000000 0.00000 100% - 0s 0 2 3.36859 0 29 80.00000 3.36859 95.8% - 0s H13129 6806 78.0000000 42.20568 45.9% 2.0 0s 77697 30257 71.23520 31 9 78.00000 53.56901 31.3% 2.0 5s 159440 51392 68.87754 31 9 78.00000 57.96667 25.7% 2.0 10s 238910 66281 73.37380 30 10 78.00000 60.54486 22.4% 2.0 15s 318124 76964 71.92569 30 10 78.00000 62.43919 19.9% 2.0 20s 395647 83958 70.78329 26 14 78.00000 63.92846 18.0% 2.0 25s 472085 87387 73.64277 28 12 78.00000 65.16495 16.5% 2.0 30s 548372 87445 75.55851 31 9 78.00000 66.23038 15.1% 2.0 35s 625516 84322 70.87140 29 11 78.00000 67.20604 13.8% 2.0 40s 701474 78301 68.11433 29 11 78.00000 68.11433 12.7% 2.0 45s 777649 69333 69.03182 29 11 78.00000 69.03182 11.5% 2.0 50s 853078 57300 76.14829 31 9 78.00000 70.05378 10.2% 2.0 55s 927352 41019 71.40701 31 9 78.00000 71.40701 8.45% 2.0 60s 1000481 16637 74.02930 31 9 78.00000 74.02930 5.09% 2.0 65s Explored 1026405 nodes (2068304 simplex iterations) in 66.93 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 7.800000000000e+01, best bound 7.800000000000e+01, gap 0.0%