current bounds on the number of colors: 0 -- 58
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:36:54 2012
Optimize a model with 5046 rows, 1854 columns and 16646 nonzeros
Presolve time: 0.02s
Presolved: 5046 rows, 1854 columns, 16646 nonzeros
Variable types: 0 continuous, 1854 integer (1854 binary)
Root relaxation: objective 0.000000e+00, 149 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 (248 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 -- 29
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:36:54 2012
Optimize a model with 2466 rows, 984 columns and 8036 nonzeros
Presolve time: 0.01s
Presolved: 2466 rows, 984 columns, 8036 nonzeros
Variable types: 0 continuous, 984 integer (984 binary)
Root relaxation: objective 0.000000e+00, 117 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 (202 simplex iterations) in 0.01 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 -- 14
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:36:54 2012
Optimize a model with 1262 rows, 578 columns and 4018 nonzeros
Presolve time: 0.00s
Presolved: 1262 rows, 578 columns, 4018 nonzeros
Variable types: 0 continuous, 578 integer (578 binary)
Root relaxation: objective 0.000000e+00, 125 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 (203 simplex iterations) in 0.01 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 19:36:54 2012
Optimize a model with 574 rows, 346 columns and 1722 nonzeros
Presolve time: 0.00s
Presolved: 574 rows, 346 columns, 1722 nonzeros
Variable types: 0 continuous, 346 integer (346 binary)
Root relaxation: objective 0.000000e+00, 137 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 0 110 - 0.00000 - - 0s
0 0 0.00000 0 114 - 0.00000 - - 0s
0 0 0.00000 0 110 - 0.00000 - - 0s
0 0 0.00000 0 147 - 0.00000 - - 0s
0 0 0.00000 0 78 - 0.00000 - - 0s
0 0 0.00000 0 146 - 0.00000 - - 0s
0 0 0.00000 0 141 - 0.00000 - - 0s
0 0 0.00000 0 135 - 0.00000 - - 0s
0 0 0.00000 0 153 - 0.00000 - - 0s
0 0 0.00000 0 143 - 0.00000 - - 0s
0 2 0.00000 0 143 - 0.00000 - - 0s
Cutting planes:
Zero half: 24
Explored 3 nodes (4386 simplex iterations) in 0.21 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: 3 -- 7
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:36:54 2012
Optimize a model with 918 rows, 462 columns and 2870 nonzeros
Presolve time: 0.00s
Presolved: 918 rows, 462 columns, 2870 nonzeros
Variable types: 0 continuous, 462 integer (462 binary)
Root relaxation: objective 0.000000e+00, 125 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 (320 simplex iterations) in 0.01 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: 3 -- 5
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:36:54 2012
Optimize a model with 746 rows, 404 columns and 2296 nonzeros
Presolve time: 0.00s
Presolved: 746 rows, 404 columns, 2296 nonzeros
Variable types: 0 continuous, 404 integer (404 binary)
Root relaxation: objective 0.000000e+00, 137 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 (384 simplex iterations) in 0.01 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: 4