Gurobi 5.0.1 (linux64) logging started Sat Nov 17 20:03:58 2012 Optimize a model with 1 rows, 26 columns and 26 nonzeros Model has 166 quadratic objective terms Modified 26 Q diagonals Presolve time: 0.01s Presolved: 1 rows, 26 columns, 26 nonzeros Presolved model has 192 quadratic objective terms Variable types: 0 continuous, 26 integer (26 binary) Found heuristic solution: objective 87.0000000 Root relaxation: objective 0.000000e+00, 27 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 26 87.00000 0.00000 100% - 0s H 0 0 76.0000000 0.00000 100% - 0s H 0 0 73.0000000 0.00000 100% - 0s 0 2 2.84052 0 26 73.00000 2.84052 96.1% - 0s H 99 78 72.0000000 11.51597 84.0% 2.0 0s H 608 447 71.0000000 16.99314 76.1% 2.0 0s H 658 443 68.0000000 16.99314 75.0% 2.1 0s H 707 435 66.0000000 16.99314 74.3% 2.1 0s *17673 6703 29 65.0000000 43.61599 32.9% 2.0 0s 96661 17767 63.43361 29 8 65.00000 53.49423 17.7% 2.0 5s 199172 4954 62.54536 29 8 65.00000 60.90620 6.30% 2.0 10s Explored 207882 nodes (417960 simplex iterations) in 10.49 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 6.500000000000e+01, best bound 6.500000000000e+01, gap 0.0%