current bounds on the number of colors: 0 -- 169
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:22:56 2012
Optimize a model with 13945 rows, 14360 columns and 55524 nonzeros
Presolve removed 26 rows and 2184 columns
Presolve time: 0.13s
Presolved: 13919 rows, 12176 columns, 53340 nonzeros
Variable types: 0 continuous, 12176 integer (12176 binary)
Root relaxation: objective 0.000000e+00, 263 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 (263 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 -- 84
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:22:56 2012
Optimize a model with 7057 rows, 7262 columns and 27762 nonzeros
Presolve removed 26 rows and 1092 columns
Presolve time: 0.06s
Presolved: 7031 rows, 6170 columns, 26670 nonzeros
Variable types: 0 continuous, 6170 integer (6170 binary)
Root relaxation: objective 0.000000e+00, 263 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 (263 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%
current bounds on the number of colors: 0 -- 42
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:22:56 2012
Optimize a model with 3613 rows, 3713 columns and 13881 nonzeros
Presolve removed 26 rows and 546 columns
Presolve time: 0.02s
Presolved: 3587 rows, 3167 columns, 13335 nonzeros
Variable types: 0 continuous, 3167 integer (3167 binary)
Root relaxation: objective 0.000000e+00, 263 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 (263 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 -- 21
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:22:56 2012
Optimize a model with 1809 rows, 1854 columns and 6610 nonzeros
Presolve removed 26 rows and 260 columns
Presolve time: 0.01s
Presolved: 1783 rows, 1594 columns, 6350 nonzeros
Variable types: 0 continuous, 1594 integer (1594 binary)
Root relaxation: objective 0.000000e+00, 244 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 (244 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 -- 10
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:22:56 2012
Optimize a model with 989 rows, 1009 columns and 3305 nonzeros
Presolve removed 26 rows and 130 columns
Presolve time: 0.00s
Presolved: 963 rows, 879 columns, 3175 nonzeros
Variable types: 0 continuous, 879 integer (879 binary)
Root relaxation: objective 0.000000e+00, 232 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 (232 simplex iterations) in 0.00 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 -- 5
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:22:56 2012
Optimize a model with 497 rows, 502 columns and 1322 nonzeros
Presolve removed 175 rows and 204 columns
Presolve time: 0.00s
Presolved: 322 rows, 298 columns, 966 nonzeros
Variable types: 0 continuous, 298 integer (298 binary)
Root relaxation: objective 0.000000e+00, 155 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 0 133 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Explored 0 nodes (461 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 -
current bounds on the number of colors: 2 -- 5
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:22:56 2012
Optimize a model with 661 rows, 671 columns and 1983 nonzeros
Presolve removed 26 rows and 78 columns
Presolve time: 0.00s
Presolved: 635 rows, 593 columns, 1905 nonzeros
Variable types: 0 continuous, 593 integer (593 binary)
Root relaxation: objective 0.000000e+00, 235 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 (235 simplex iterations) in 0.00 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: 3