current bounds on the number of colors: 0 -- 135
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:37:06 2012
Optimize a model with 33501 rows, 9543 columns and 109143 nonzeros
Presolve time: 0.15s
Presolved: 33501 rows, 9543 columns, 109143 nonzeros
Variable types: 0 continuous, 9543 integer (9543 binary)
Root relaxation: objective 0.000000e+00, 488 iterations, 0.03 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 (794 simplex iterations) in 0.23 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 -- 67
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:37:07 2012
Optimize a model with 16569 rows, 4953 columns and 53757 nonzeros
Presolve time: 0.08s
Presolved: 16569 rows, 4953 columns, 53757 nonzeros
Variable types: 0 continuous, 4953 integer (4953 binary)
Root relaxation: objective 0.000000e+00, 334 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 (583 simplex iterations) in 0.11 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 -- 33
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:37:07 2012
Optimize a model with 8103 rows, 2658 columns and 26064 nonzeros
Presolve time: 0.03s
Presolved: 8103 rows, 2658 columns, 26064 nonzeros
Variable types: 0 continuous, 2658 integer (2658 binary)
Root relaxation: objective 0.000000e+00, 275 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 (517 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 -- 16
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:37:08 2012
Optimize a model with 4119 rows, 1578 columns and 13032 nonzeros
Presolve time: 0.01s
Presolved: 4119 rows, 1578 columns, 13032 nonzeros
Variable types: 0 continuous, 1578 integer (1578 binary)
Root relaxation: objective 0.000000e+00, 294 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 (531 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 -- 8
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:37:08 2012
Optimize a model with 2127 rows, 1038 columns and 6516 nonzeros
Presolve time: 0.01s
Presolved: 2127 rows, 1038 columns, 6516 nonzeros
Variable types: 0 continuous, 1038 integer (1038 binary)
Root relaxation: objective 0.000000e+00, 310 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 0 131 - 0.00000 - - 0s
0 0 0.00000 0 232 - 0.00000 - - 0s
0 0 0.00000 0 242 - 0.00000 - - 0s
0 0 0.00000 0 291 - 0.00000 - - 0s
0 0 0.00000 0 291 - 0.00000 - - 0s
H 0 0 0.0000000 0.00000 0.0% - 0s
Cutting planes:
Gomory: 5
Zero half: 7
Explored 0 nodes (9031 simplex iterations) in 0.68 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 Fri Dec 14 18:37:08 2012
Optimize a model with 1131 rows, 768 columns and 3258 nonzeros
Presolve removed 135 rows and 135 columns
Presolve time: 0.00s
Presolved: 996 rows, 633 columns, 2988 nonzeros
Variable types: 0 continuous, 633 integer (633 binary)
Root relaxation: objective 0.000000e+00, 144 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 0 135 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Explored 0 nodes (594 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 Fri Dec 14 18:37:08 2012
Optimize a model with 1629 rows, 903 columns and 4887 nonzeros
Presolve time: 0.00s
Presolved: 1629 rows, 903 columns, 4887 nonzeros
Variable types: 0 continuous, 903 integer (903 binary)
Root relaxation: objective 0.000000e+00, 310 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 0 266 - 0.00000 - - 0s
0 0 0.00000 0 252 - 0.00000 - - 0s
0 0 0.00000 0 295 - 0.00000 - - 0s
0 0 0.00000 0 353 - 0.00000 - - 0s
0 0 0.00000 0 352 - 0.00000 - - 0s
0 0 0.00000 0 358 - 0.00000 - - 0s
0 0 0.00000 0 258 - 0.00000 - - 1s
0 0 0.00000 0 303 - 0.00000 - - 1s
0 0 0.00000 0 320 - 0.00000 - - 1s
0 0 0.00000 0 320 - 0.00000 - - 1s
0 2 0.00000 0 319 - 0.00000 - - 1s
Cutting planes:
Zero half: 11
Explored 3 nodes (16570 simplex iterations) in 1.64 seconds
Thread count was 1 (of 16 available processors)
Model objective exceeds cutoff
Best objective -, best bound -, gap -
optimal solution found: number of colors: 4