current bounds on the number of colors: 0 -- 31
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 17:56:42 2012
Optimize a model with 3391 rows, 689 columns and 10545 nonzeros
Presolve time: 0.01s
Presolved: 3391 rows, 689 columns, 10545 nonzeros
Variable types: 0 continuous, 689 integer (689 binary)
Root relaxation: objective 0.000000e+00, 68 iterations, 0.00 seconds
Nodes | Current Node | Objective Bounds | Work
Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time
* 0 0 0 0.0000000 0.00000 0.0% - 0s
Explored 0 nodes (136 simplex iterations) in 0.02 seconds
Thread count was 1 (of 16 available processors)
Optimal solution found (tolerance 1.00e-04)
Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0%
current bounds on the number of colors: 0 -- 15
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 17:56:42 2012
Optimize a model with 1599 rows, 441 columns and 4921 nonzeros
Presolve time: 0.00s
Presolved: 1599 rows, 441 columns, 4921 nonzeros
Variable types: 0 continuous, 441 integer (441 binary)
Root relaxation: objective 0.000000e+00, 63 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 20 - 0.00000 - - 0s
H 0 0 0.0000000 0.00000 0.0% - 0s
Explored 0 nodes (398 simplex iterations) in 0.02 seconds
Thread count was 1 (of 16 available processors)
Optimal solution found (tolerance 1.00e-04)
Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0%
current bounds on the number of colors: 0 -- 7
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 17:56:42 2012
Optimize a model with 703 rows, 317 columns and 2109 nonzeros
Presolve time: 0.00s
Presolved: 703 rows, 317 columns, 2109 nonzeros
Variable types: 0 continuous, 317 integer (317 binary)
Root relaxation: objective 0.000000e+00, 62 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 62 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Cutting planes:
Gomory: 1
Clique: 140
Zero half: 162
Explored 0 nodes (295 simplex iterations) in 0.02 seconds
Thread count was 1 (of 16 available processors)
Model objective exceeds cutoff
Best objective -, best bound 1.000000000000e+00, gap -
current bounds on the number of colors: 3 -- 7
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 17:56:42 2012
Optimize a model with 1151 rows, 379 columns and 3515 nonzeros
Presolve time: 0.00s
Presolved: 1151 rows, 379 columns, 3515 nonzeros
Variable types: 0 continuous, 379 integer (379 binary)
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 34 - 0.00000 - - 0s
0 0 0.00000 0 32 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Explored 0 nodes (1160 simplex iterations) in 0.06 seconds
Thread count was 1 (of 16 available processors)
Model objective exceeds cutoff
Best objective -, best bound 1.000000000000e+00, gap -
current bounds on the number of colors: 5 -- 7
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 17:56:42 2012
Optimize a model with 1375 rows, 410 columns and 4218 nonzeros
Presolve time: 0.00s
Presolved: 1375 rows, 410 columns, 4218 nonzeros
Variable types: 0 continuous, 410 integer (410 binary)
Root relaxation: objective 0.000000e+00, 63 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 - 0.00000 - - 0s
0 0 0.00000 0 39 - 0.00000 - - 0s
0 0 0.00000 0 99 - 0.00000 - - 0s
0 0 0.00000 0 117 - 0.00000 - - 0s
0 0 0.00000 0 113 - 0.00000 - - 0s
0 0 0.00000 0 93 - 0.00000 - - 0s
0 0 0.00000 0 79 - 0.00000 - - 0s
0 0 0.00000 0 121 - 0.00000 - - 0s
0 0 0.00000 0 76 - 0.00000 - - 0s
0 0 0.00000 0 61 - 0.00000 - - 0s
0 0 0.00000 0 67 - 0.00000 - - 0s
0 0 0.00000 0 67 - 0.00000 - - 0s
0 2 0.00000 0 67 - 0.00000 - - 0s
Cutting planes:
Clique: 17
Zero half: 9
Explored 5 nodes (10369 simplex iterations) in 0.81 seconds
Thread count was 1 (of 16 available processors)
Model objective exceeds cutoff
Best objective -, best bound -, gap -
optimal solution found: number of colors: 7