current bounds on the number of colors: 0 -- 225
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:38:04 2012
Optimize a model with 31361 rows, 25478 columns and 118608 nonzeros
Presolve removed 14 rows and 1568 columns
Presolve time: 0.15s
Presolved: 31347 rows, 23910 columns, 117040 nonzeros
Variable types: 0 continuous, 23910 integer (23910 binary)
Root relaxation: objective 0.000000e+00, 411 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 (411 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 -- 112
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:38:04 2012
Optimize a model with 15793 rows, 12878 columns and 59304 nonzeros
Presolve removed 14 rows and 784 columns
Presolve time: 0.12s
Presolved: 15779 rows, 12094 columns, 58520 nonzeros
Variable types: 0 continuous, 12094 integer (12094 binary)
Root relaxation: objective 0.000000e+00, 408 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 (408 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 -- 56
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:38:05 2012
Optimize a model with 8009 rows, 6578 columns and 29652 nonzeros
Presolve removed 14 rows and 392 columns
Presolve time: 0.05s
Presolved: 7995 rows, 6186 columns, 29260 nonzeros
Variable types: 0 continuous, 6186 integer (6186 binary)
Root relaxation: objective 0.000000e+00, 405 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 (405 simplex iterations) in 0.06 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 -- 28
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:38:05 2012
Optimize a model with 4117 rows, 3428 columns and 14826 nonzeros
Presolve removed 14 rows and 196 columns
Presolve time: 0.02s
Presolved: 4103 rows, 3232 columns, 14630 nonzeros
Variable types: 0 continuous, 3232 integer (3232 binary)
Root relaxation: objective 0.000000e+00, 419 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 (724 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 -- 14
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:38:05 2012
Optimize a model with 2171 rows, 1853 columns and 7413 nonzeros
Presolve removed 14 rows and 98 columns
Presolve time: 0.01s
Presolved: 2157 rows, 1755 columns, 7315 nonzeros
Variable types: 0 continuous, 1755 integer (1755 binary)
Root relaxation: objective 0.000000e+00, 396 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 (396 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 -- 7
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:38:05 2012
Optimize a model with 1059 rows, 953 columns and 3177 nonzeros
Presolve removed 14 rows and 42 columns
Presolve time: 0.01s
Presolved: 1045 rows, 911 columns, 3135 nonzeros
Variable types: 0 continuous, 911 integer (911 binary)
Root relaxation: objective 0.000000e+00, 429 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 (614 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 -- 3
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:38:05 2012
Optimize a model with 503 rows, 503 columns and 1059 nonzeros
Presolve removed 503 rows and 503 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 16:38:05 2012
Optimize a model with 781 rows, 728 columns and 2118 nonzeros
Presolve removed 231 rows and 248 columns
Presolve time: 0.00s
Presolved: 550 rows, 480 columns, 1650 nonzeros
Variable types: 0 continuous, 480 integer (480 binary)
Root relaxation: objective 0.000000e+00, 241 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 0 205 - 0.00000 - - 0s
Explored 0 nodes (793 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