current bounds on the number of colors: 0 -- 106
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:15:32 2012
Optimize a model with 3710 rows, 5686 columns and 16430 nonzeros
Presolve removed 24 rows and 1272 columns
Presolve time: 0.04s
Presolved: 3686 rows, 4414 columns, 15158 nonzeros
Variable types: 0 continuous, 4414 integer (4414 binary)
Root relaxation: objective 0.000000e+00, 138 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 (194 simplex iterations) in 0.05 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 -- 53
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:15:32 2012
Optimize a model with 1874 rows, 2824 columns and 8060 nonzeros
Presolve removed 24 rows and 624 columns
Presolve time: 0.01s
Presolved: 1850 rows, 2200 columns, 7436 nonzeros
Variable types: 0 continuous, 2200 integer (2200 binary)
Root relaxation: objective 0.000000e+00, 138 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 (192 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 -- 26
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:15:32 2012
Optimize a model with 990 rows, 1446 columns and 4030 nonzeros
Presolve removed 24 rows and 312 columns
Presolve time: 0.01s
Presolved: 966 rows, 1134 columns, 3718 nonzeros
Variable types: 0 continuous, 1134 integer (1134 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 (193 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 -- 13
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:15:32 2012
Optimize a model with 514 rows, 704 columns and 1860 nonzeros
Presolve removed 24 rows and 144 columns
Presolve time: 0.00s
Presolved: 490 rows, 560 columns, 1716 nonzeros
Variable types: 0 continuous, 560 integer (560 binary)
Root relaxation: objective 0.000000e+00, 133 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 (133 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 -- 6
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:15:32 2012
Optimize a model with 310 rows, 386 columns and 930 nonzeros
Presolve removed 24 rows and 72 columns
Presolve time: 0.00s
Presolved: 286 rows, 314 columns, 858 nonzeros
Variable types: 0 continuous, 314 integer (314 binary)
Root relaxation: objective 0.000000e+00, 121 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 (121 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 -- 3
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:15:32 2012
Optimize a model with 174 rows, 174 columns and 310 nonzeros
Presolve removed 174 rows and 174 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 16:15:32 2012
Optimize a model with 242 rows, 280 columns and 620 nonzeros
Presolve removed 124 rows and 157 columns
Presolve time: 0.00s
Presolved: 118 rows, 123 columns, 354 nonzeros
Variable types: 0 continuous, 123 integer (123 binary)
Root relaxation: objective 0.000000e+00, 66 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 45 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Explored 0 nodes (214 simplex iterations) in 0.00 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