current bounds on the number of colors: 0 -- 90
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:22:45 2012
Optimize a model with 8640 rows, 4240 columns and 29700 nonzeros
Presolve time: 0.06s
Presolved: 8640 rows, 4240 columns, 29700 nonzeros
Variable types: 0 continuous, 4240 integer (4240 binary)
Root relaxation: objective 0.000000e+00, 221 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 (354 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 Fri Dec 14 18:22:45 2012
Optimize a model with 4270 rows, 2170 columns and 14520 nonzeros
Presolve time: 0.02s
Presolved: 4270 rows, 2170 columns, 14520 nonzeros
Variable types: 0 continuous, 2170 integer (2170 binary)
Root relaxation: objective 0.000000e+00, 185 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 (313 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 Fri Dec 14 18:22:46 2012
Optimize a model with 2180 rows, 1180 columns and 7260 nonzeros
Presolve time: 0.01s
Presolved: 2180 rows, 1180 columns, 7260 nonzeros
Variable types: 0 continuous, 1180 integer (1180 binary)
Root relaxation: objective 0.000000e+00, 190 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 (190 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 -- 11
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:22:46 2012
Optimize a model with 1040 rows, 640 columns and 3300 nonzeros
Presolve time: 0.00s
Presolved: 1040 rows, 640 columns, 3300 nonzeros
Variable types: 0 continuous, 640 integer (640 binary)
Root relaxation: objective 0.000000e+00, 208 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 (322 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 Fri Dec 14 18:22:46 2012
Optimize a model with 470 rows, 370 columns and 1320 nonzeros
Presolve removed 90 rows and 90 columns
Presolve time: 0.00s
Presolved: 380 rows, 280 columns, 1140 nonzeros
Variable types: 0 continuous, 280 integer (280 binary)
Root relaxation: objective 0.000000e+00, 102 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 90 - 0.00000 - - 0s
Explored 0 nodes (367 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 Fri Dec 14 18:22:46 2012
Optimize a model with 660 rows, 460 columns and 1980 nonzeros
Presolve time: 0.00s
Presolved: 660 rows, 460 columns, 1980 nonzeros
Variable types: 0 continuous, 460 integer (460 binary)
Root relaxation: objective 0.000000e+00, 224 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 0 156 - 0.00000 - - 0s
* 0 0 0 0.0000000 0.00000 0.0% - 0s
Cutting planes:
Gomory: 1
Clique: 15
Zero half: 60
Explored 0 nodes (1273 simplex iterations) in 0.04 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