current bounds on the number of colors: 0 -- 144
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:42:24 2012
Optimize a model with 35568 rows, 10860 columns and 116640 nonzeros
Presolve time: 0.14s
Presolved: 35568 rows, 10860 columns, 116640 nonzeros
Variable types: 0 continuous, 10860 integer (10860 binary)
Root relaxation: objective 0.000000e+00, 475 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 (755 simplex iterations) in 0.22 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 -- 72
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:42:24 2012
Optimize a model with 17856 rows, 5676 columns and 58320 nonzeros
Presolve time: 0.09s
Presolved: 17856 rows, 5676 columns, 58320 nonzeros
Variable types: 0 continuous, 5676 integer (5676 binary)
Root relaxation: objective 0.000000e+00, 392 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 (666 simplex iterations) in 0.13 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 -- 36
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:42:25 2012
Optimize a model with 9000 rows, 3084 columns and 29160 nonzeros
Presolve time: 0.03s
Presolved: 9000 rows, 3084 columns, 29160 nonzeros
Variable types: 0 continuous, 3084 integer (3084 binary)
Root relaxation: objective 0.000000e+00, 292 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 (535 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 -- 18
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:42:25 2012
Optimize a model with 4572 rows, 1788 columns and 14580 nonzeros
Presolve time: 0.01s
Presolved: 4572 rows, 1788 columns, 14580 nonzeros
Variable types: 0 continuous, 1788 integer (1788 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 0.0000000 0.00000 0.0% - 0s
Explored 0 nodes (561 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 -- 9
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:42:25 2012
Optimize a model with 2112 rows, 1068 columns and 6480 nonzeros
Presolve time: 0.01s
Presolved: 2112 rows, 1068 columns, 6480 nonzeros
Variable types: 0 continuous, 1068 integer (1068 binary)
Root relaxation: objective 0.000000e+00, 340 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 0 252 - 0.00000 - - 0s
H 0 0 0.0000000 0.00000 0.0% - 0s
Explored 0 nodes (1561 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 -- 4
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:42:25 2012
Optimize a model with 1128 rows, 780 columns and 3240 nonzeros
Presolve removed 144 rows and 144 columns
Presolve time: 0.00s
Presolved: 984 rows, 636 columns, 2952 nonzeros
Variable types: 0 continuous, 636 integer (636 binary)
Root relaxation: objective 0.000000e+00, 151 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 0 144 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Explored 0 nodes (609 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 18:42:25 2012
Optimize a model with 1620 rows, 924 columns and 4860 nonzeros
Presolve time: 0.00s
Presolved: 1620 rows, 924 columns, 4860 nonzeros
Variable types: 0 continuous, 924 integer (924 binary)
Root relaxation: objective 0.000000e+00, 338 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 0 288 - 0.00000 - - 0s
0 0 0.00000 0 278 - 0.00000 - - 0s
0 0 0.00000 0 272 - 0.00000 - - 0s
0 0 0.00000 0 278 - 0.00000 - - 0s
0 0 0.00000 0 355 - 0.00000 - - 0s
0 0 0.00000 0 379 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Cutting planes:
Zero half: 262
Explored 0 nodes (9040 simplex iterations) in 0.82 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