current bounds on the number of colors: 0 -- 246
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:46:53 2012
Optimize a model with 38622 rows, 30570 columns and 145386 nonzeros
Presolve removed 26 rows and 3198 columns
Presolve time: 0.19s
Presolved: 38596 rows, 27372 columns, 142188 nonzeros
Variable types: 0 continuous, 27372 integer (27372 binary)
Root relaxation: objective 0.000000e+00, 429 iterations, 0.02 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 (429 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 -- 123
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:46:54 2012
Optimize a model with 19278 rows, 15318 columns and 72102 nonzeros
Presolve removed 26 rows and 1586 columns
Presolve time: 0.13s
Presolved: 19252 rows, 13732 columns, 70516 nonzeros
Variable types: 0 continuous, 13732 integer (13732 binary)
Root relaxation: objective 0.000000e+00, 429 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 (688 simplex iterations) in 0.17 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 -- 61
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:46:54 2012
Optimize a model with 9606 rows, 7692 columns and 35460 nonzeros
Presolve removed 26 rows and 780 columns
Presolve time: 0.06s
Presolved: 9580 rows, 6912 columns, 34680 nonzeros
Variable types: 0 continuous, 6912 integer (6912 binary)
Root relaxation: objective 0.000000e+00, 434 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 (434 simplex iterations) in 0.07 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 -- 30
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:46:54 2012
Optimize a model with 4926 rows, 4002 columns and 17730 nonzeros
Presolve removed 26 rows and 390 columns
Presolve time: 0.02s
Presolved: 4900 rows, 3612 columns, 17340 nonzeros
Variable types: 0 continuous, 3612 integer (3612 binary)
Root relaxation: objective 0.000000e+00, 468 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 (734 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%
current bounds on the number of colors: 0 -- 15
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:46:54 2012
Optimize a model with 2430 rows, 2034 columns and 8274 nonzeros
Presolve removed 26 rows and 182 columns
Presolve time: 0.01s
Presolved: 2404 rows, 1852 columns, 8092 nonzeros
Variable types: 0 continuous, 1852 integer (1852 binary)
Root relaxation: objective 0.000000e+00, 430 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 (630 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 -- 7
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:46:54 2012
Optimize a model with 1182 rows, 1050 columns and 3546 nonzeros
Presolve removed 26 rows and 78 columns
Presolve time: 0.00s
Presolved: 1156 rows, 972 columns, 3468 nonzeros
Variable types: 0 continuous, 972 integer (972 binary)
Root relaxation: objective 0.000000e+00, 492 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 (883 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 -- 3
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:46:54 2012
Optimize a model with 558 rows, 558 columns and 1182 nonzeros
Presolve removed 558 rows and 558 columns
Presolve time: 0.00s
Explored 0 nodes (0 simplex iterations) in 0.00 seconds
Thread count was 1 (of 16 available processors)
Model objective exceeds cutoff
Best objective -, best bound -, gap -
current bounds on the number of colors: 1 -- 3
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:46:55 2012
Optimize a model with 870 rows, 804 columns and 2364 nonzeros
Presolve removed 254 rows and 284 columns
Presolve time: 0.00s
Presolved: 616 rows, 520 columns, 1848 nonzeros
Variable types: 0 continuous, 520 integer (520 binary)
Root relaxation: objective 0.000000e+00, 228 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 0 212 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Explored 0 nodes (804 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 -
optimal solution found: number of colors: 3