current bounds on the number of colors: 0 -- 96
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:48:47 2012
Optimize a model with 21648 rows, 5057 columns and 69264 nonzeros
Presolve time: 0.12s
Presolved: 21648 rows, 5057 columns, 69264 nonzeros
Variable types: 0 continuous, 5057 integer (5057 binary)
Root relaxation: objective 0.000000e+00, 272 iterations, 0.01 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 (497 simplex iterations) in 0.17 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 -- 48
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:48:47 2012
Optimize a model with 10872 rows, 2753 columns and 34632 nonzeros
Presolve time: 0.04s
Presolved: 10872 rows, 2753 columns, 34632 nonzeros
Variable types: 0 continuous, 2753 integer (2753 binary)
Root relaxation: objective 0.000000e+00, 211 iterations, 0.01 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 (407 simplex iterations) in 0.06 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 -- 24
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:48:48 2012
Optimize a model with 5484 rows, 1601 columns and 17316 nonzeros
Presolve time: 0.02s
Presolved: 5484 rows, 1601 columns, 17316 nonzeros
Variable types: 0 continuous, 1601 integer (1601 binary)
Root relaxation: objective 0.000000e+00, 212 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 (402 simplex iterations) in 0.03 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 -- 12
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:48:48 2012
Optimize a model with 2790 rows, 1025 columns and 8658 nonzeros
Presolve time: 0.01s
Presolved: 2790 rows, 1025 columns, 8658 nonzeros
Variable types: 0 continuous, 1025 integer (1025 binary)
Root relaxation: objective 0.000000e+00, 212 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 (721 simplex iterations) in 0.03 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 -- 6
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:48:48 2012
Optimize a model with 1443 rows, 737 columns and 4329 nonzeros
Presolve time: 0.00s
Presolved: 1443 rows, 737 columns, 4329 nonzeros
Variable types: 0 continuous, 737 integer (737 binary)
Root relaxation: objective 0.000000e+00, 204 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 0 192 - 0.00000 - - 0s
0 0 0.00000 0 190 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Explored 0 nodes (2415 simplex iterations) in 0.18 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 -- 6
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:48:48 2012
Optimize a model with 1892 rows, 833 columns and 5772 nonzeros
Presolve time: 0.00s
Presolved: 1892 rows, 833 columns, 5772 nonzeros
Variable types: 0 continuous, 833 integer (833 binary)
Root relaxation: objective 0.000000e+00, 213 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 0 186 - 0.00000 - - 0s
0 0 0.00000 0 205 - 0.00000 - - 0s
0 0 0.00000 0 186 - 0.00000 - - 0s
0 0 0.00000 0 272 - 0.00000 - - 0s
0 0 0.00000 0 126 - 0.00000 - - 0s
0 0 0.00000 0 150 - 0.00000 - - 0s
0 0 0.00000 0 190 - 0.00000 - - 0s
0 0 0.00000 0 204 - 0.00000 - - 0s
0 0 0.00000 0 189 - 0.00000 - - 1s
0 2 0.00000 0 189 - 0.00000 - - 1s
Cutting planes:
Clique: 3
Zero half: 20
Explored 431 nodes (42409 simplex iterations) in 2.61 seconds
Thread count was 1 (of 16 available processors)
Model objective exceeds cutoff
Best objective -, best bound -, gap -
current bounds on the number of colors: 4 -- 6
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:48:51 2012
Optimize a model with 2341 rows, 929 columns and 7215 nonzeros
Presolve time: 0.01s
Presolved: 2341 rows, 929 columns, 7215 nonzeros
Variable types: 0 continuous, 929 integer (929 binary)
Root relaxation: objective 0.000000e+00, 204 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 0 100 - 0.00000 - - 0s
H 0 0 0.0000000 0.00000 0.0% - 0s
Explored 0 nodes (1799 simplex iterations) in 0.07 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%
optimal solution found: number of colors: 5