current bounds on the number of colors: 0 -- 229
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:39:45 2012
Optimize a model with 32491 rows, 26389 columns and 122892 nonzeros
Presolve removed 14 rows and 1596 columns
Presolve time: 0.16s
Presolved: 32477 rows, 24793 columns, 121296 nonzeros
Variable types: 0 continuous, 24793 integer (24793 binary)
Root relaxation: objective 0.000000e+00, 415 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 (415 simplex iterations) in 0.19 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 -- 114
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:39:46 2012
Optimize a model with 16360 rows, 13336 columns and 61446 nonzeros
Presolve removed 14 rows and 798 columns
Presolve time: 0.12s
Presolved: 16346 rows, 12538 columns, 60648 nonzeros
Variable types: 0 continuous, 12538 integer (12538 binary)
Root relaxation: objective 0.000000e+00, 417 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 (417 simplex iterations) in 0.14 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 -- 57
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:39:46 2012
Optimize a model with 8153 rows, 6695 columns and 30184 nonzeros
Presolve removed 14 rows and 392 columns
Presolve time: 0.05s
Presolved: 8139 rows, 6303 columns, 29792 nonzeros
Variable types: 0 continuous, 6303 integer (6303 binary)
Root relaxation: objective 0.000000e+00, 416 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 (416 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 -- 28
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:39:47 2012
Optimize a model with 4191 rows, 3489 columns and 15092 nonzeros
Presolve removed 14 rows and 196 columns
Presolve time: 0.02s
Presolved: 4177 rows, 3293 columns, 14896 nonzeros
Variable types: 0 continuous, 3293 integer (3293 binary)
Root relaxation: objective 0.000000e+00, 426 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 (657 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 -- 14
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:39:47 2012
Optimize a model with 2210 rows, 1886 columns and 7546 nonzeros
Presolve removed 14 rows and 98 columns
Presolve time: 0.01s
Presolved: 2196 rows, 1788 columns, 7448 nonzeros
Variable types: 0 continuous, 1788 integer (1788 binary)
Root relaxation: objective 0.000000e+00, 420 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 (618 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 Sat Dec 15 16:39:47 2012
Optimize a model with 1078 rows, 970 columns and 3234 nonzeros
Presolve removed 14 rows and 42 columns
Presolve time: 0.00s
Presolved: 1064 rows, 928 columns, 3192 nonzeros
Variable types: 0 continuous, 928 integer (928 binary)
Root relaxation: objective 0.000000e+00, 405 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 (405 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 -- 3
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:39:47 2012
Optimize a model with 512 rows, 512 columns and 1078 nonzeros
Presolve removed 512 rows and 512 columns
Presolve time: 0.00s
Explored 0 nodes (0 simplex iterations) in 0.00 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: 1 -- 3
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:39:47 2012
Optimize a model with 795 rows, 741 columns and 2156 nonzeros
Presolve removed 233 rows and 249 columns
Presolve time: 0.00s
Presolved: 562 rows, 492 columns, 1686 nonzeros
Variable types: 0 continuous, 492 integer (492 binary)
Root relaxation: objective 0.000000e+00, 234 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 0 206 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Explored 0 nodes (789 simplex iterations) in 0.01 seconds
Thread count was 1 (of 16 available processors)
Model objective exceeds cutoff
Best objective -, best bound 1.000000000000e+00, gap -
optimal solution found: number of colors: 3