current bounds on the number of colors: 0 -- 79
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:39:33 2012
Optimize a model with 11116 rows, 3364 columns and 36192 nonzeros
Presolve time: 0.06s
Presolved: 11116 rows, 3364 columns, 36192 nonzeros
Variable types: 0 continuous, 3364 integer (3364 binary)
Root relaxation: objective 0.000000e+00, 212 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 (392 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 -- 39
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:39:34 2012
Optimize a model with 5456 rows, 1784 columns and 17632 nonzeros
Presolve time: 0.02s
Presolved: 5456 rows, 1784 columns, 17632 nonzeros
Variable types: 0 continuous, 1784 integer (1784 binary)
Root relaxation: objective 0.000000e+00, 177 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 (324 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 -- 19
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:39:34 2012
Optimize a model with 2626 rows, 994 columns and 8352 nonzeros
Presolve time: 0.01s
Presolved: 2626 rows, 994 columns, 8352 nonzeros
Variable types: 0 continuous, 994 integer (994 binary)
Root relaxation: objective 0.000000e+00, 170 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 (307 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 -- 9
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:39:34 2012
Optimize a model with 1211 rows, 599 columns and 3712 nonzeros
Presolve time: 0.00s
Presolved: 1211 rows, 599 columns, 3712 nonzeros
Variable types: 0 continuous, 599 integer (599 binary)
Root relaxation: objective 0.000000e+00, 188 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 72 - 0.00000 - - 0s
H 0 0 0.0000000 0.00000 0.0% - 0s
Explored 0 nodes (1125 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 -- 4
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:39:34 2012
Optimize a model with 645 rows, 441 columns and 1856 nonzeros
Presolve removed 79 rows and 79 columns
Presolve time: 0.00s
Presolved: 566 rows, 362 columns, 1698 nonzeros
Variable types: 0 continuous, 362 integer (362 binary)
Root relaxation: objective 0.000000e+00, 80 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 79 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Explored 0 nodes (321 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 -- 4
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:39:34 2012
Optimize a model with 928 rows, 520 columns and 2784 nonzeros
Presolve time: 0.00s
Presolved: 928 rows, 520 columns, 2784 nonzeros
Variable types: 0 continuous, 520 integer (520 binary)
Root relaxation: objective 0.000000e+00, 165 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 0 154 - 0.00000 - - 0s
0 0 0.00000 0 152 - 0.00000 - - 0s
0 0 0.00000 0 189 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Cutting planes:
Gomory: 14
Clique: 1
Zero half: 54
Explored 0 nodes (2450 simplex iterations) in 0.15 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: 4