current bounds on the number of colors: 0 -- 100
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:52:01 2012
Optimize a model with 23800 rows, 5474 columns and 76100 nonzeros
Presolve time: 0.13s
Presolved: 23800 rows, 5474 columns, 76100 nonzeros
Variable types: 0 continuous, 5474 integer (5474 binary)
Root relaxation: objective 0.000000e+00, 307 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 (531 simplex iterations) in 0.18 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 -- 50
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:52:02 2012
Optimize a model with 11950 rows, 2974 columns and 38050 nonzeros
Presolve time: 0.05s
Presolved: 11950 rows, 2974 columns, 38050 nonzeros
Variable types: 0 continuous, 2974 integer (2974 binary)
Root relaxation: objective 0.000000e+00, 233 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 (446 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 -- 25
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:52:02 2012
Optimize a model with 5788 rows, 1674 columns and 18264 nonzeros
Presolve time: 0.02s
Presolved: 5788 rows, 1674 columns, 18264 nonzeros
Variable types: 0 continuous, 1674 integer (1674 binary)
Root relaxation: objective 0.000000e+00, 206 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 (408 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 -- 12
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:52:02 2012
Optimize a model with 2944 rows, 1074 columns and 9132 nonzeros
Presolve time: 0.01s
Presolved: 2944 rows, 1074 columns, 9132 nonzeros
Variable types: 0 continuous, 1074 integer (1074 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 0.0000000 0.00000 0.0% - 0s
Explored 0 nodes (861 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 -- 6
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:52:02 2012
Optimize a model with 1522 rows, 774 columns and 4566 nonzeros
Presolve time: 0.00s
Presolved: 1522 rows, 774 columns, 4566 nonzeros
Variable types: 0 continuous, 774 integer (774 binary)
Root relaxation: objective 0.000000e+00, 234 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 0 198 - 0.00000 - - 0s
0 0 0.00000 0 194 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Explored 0 nodes (2754 simplex iterations) in 0.22 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: 3 -- 6
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:52:03 2012
Optimize a model with 1996 rows, 874 columns and 6088 nonzeros
Presolve time: 0.00s
Presolved: 1996 rows, 874 columns, 6088 nonzeros
Variable types: 0 continuous, 874 integer (874 binary)
Root relaxation: objective 0.000000e+00, 213 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 0 172 - 0.00000 - - 0s
0 0 0.00000 0 221 - 0.00000 - - 0s
0 0 0.00000 0 253 - 0.00000 - - 0s
0 0 0.00000 0 250 - 0.00000 - - 0s
0 0 0.00000 0 251 - 0.00000 - - 0s
0 0 0.00000 0 254 - 0.00000 - - 0s
0 0 0.00000 0 254 - 0.00000 - - 0s
0 2 0.00000 0 254 - 0.00000 - - 1s
Cutting planes:
Clique: 6
Zero half: 22
Explored 86 nodes (18995 simplex iterations) in 1.53 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: 4 -- 6
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:52:04 2012
Optimize a model with 2470 rows, 974 columns and 7610 nonzeros
Presolve time: 0.01s
Presolved: 2470 rows, 974 columns, 7610 nonzeros
Variable types: 0 continuous, 974 integer (974 binary)
Root relaxation: objective 0.000000e+00, 232 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 92 - 0.00000 - - 0s
H 0 0 0.0000000 0.00000 0.0% - 0s
Explored 0 nodes (1259 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: 5