current bounds on the number of colors: 0 -- 180
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:25:08 2012
Optimize a model with 16380 rows, 16380 columns and 64800 nonzeros
Presolve removed 18 rows and 1620 columns
Presolve time: 0.13s
Presolved: 16362 rows, 14760 columns, 63180 nonzeros
Variable types: 0 continuous, 14760 integer (14760 binary)
Root relaxation: objective 0.000000e+00, 297 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 (297 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 -- 90
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:25:09 2012
Optimize a model with 8280 rows, 8280 columns and 32400 nonzeros
Presolve removed 18 rows and 810 columns
Presolve time: 0.07s
Presolved: 8262 rows, 7470 columns, 31590 nonzeros
Variable types: 0 continuous, 7470 integer (7470 binary)
Root relaxation: objective 0.000000e+00, 297 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 (297 simplex iterations) in 0.08 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 -- 45
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:25:09 2012
Optimize a model with 4140 rows, 4140 columns and 15840 nonzeros
Presolve removed 18 rows and 396 columns
Presolve time: 0.02s
Presolved: 4122 rows, 3744 columns, 15444 nonzeros
Variable types: 0 continuous, 3744 integer (3744 binary)
Root relaxation: objective 0.000000e+00, 298 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 (298 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 -- 22
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:25:09 2012
Optimize a model with 2160 rows, 2160 columns and 7920 nonzeros
Presolve removed 18 rows and 198 columns
Presolve time: 0.01s
Presolved: 2142 rows, 1962 columns, 7722 nonzeros
Variable types: 0 continuous, 1962 integer (1962 binary)
Root relaxation: objective 0.000000e+00, 283 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 (434 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 -- 11
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:25:09 2012
Optimize a model with 1080 rows, 1080 columns and 3600 nonzeros
Presolve removed 18 rows and 90 columns
Presolve time: 0.00s
Presolved: 1062 rows, 990 columns, 3510 nonzeros
Variable types: 0 continuous, 990 integer (990 binary)
Root relaxation: objective 0.000000e+00, 270 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 (270 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 -- 5
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:25:09 2012
Optimize a model with 540 rows, 540 columns and 1440 nonzeros
Presolve removed 186 rows and 207 columns
Presolve time: 0.00s
Presolved: 354 rows, 333 columns, 1062 nonzeros
Variable types: 0 continuous, 333 integer (333 binary)
Root relaxation: objective 0.000000e+00, 179 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 0 153 - 0.00000 - - 0s
Explored 0 nodes (543 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 16:25:09 2012
Optimize a model with 720 rows, 720 columns and 2160 nonzeros
Presolve removed 18 rows and 54 columns
Presolve time: 0.00s
Presolved: 702 rows, 666 columns, 2106 nonzeros
Variable types: 0 continuous, 666 integer (666 binary)
Root relaxation: objective 0.000000e+00, 264 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 (351 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