current bounds on the number of colors: 0 -- 78
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:21:18 2012
Optimize a model with 7332 rows, 3228 columns and 24804 nonzeros
Presolve time: 0.04s
Presolved: 7332 rows, 3228 columns, 24804 nonzeros
Variable types: 0 continuous, 3228 integer (3228 binary)
Root relaxation: objective 0.000000e+00, 197 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 (334 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 -- 39
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:21:18 2012
Optimize a model with 3612 rows, 1668 columns and 12084 nonzeros
Presolve time: 0.01s
Presolved: 3612 rows, 1668 columns, 12084 nonzeros
Variable types: 0 continuous, 1668 integer (1668 binary)
Root relaxation: objective 0.000000e+00, 168 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 (292 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 -- 19
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:21:18 2012
Optimize a model with 1752 rows, 888 columns and 5724 nonzeros
Presolve time: 0.01s
Presolved: 1752 rows, 888 columns, 5724 nonzeros
Variable types: 0 continuous, 888 integer (888 binary)
Root relaxation: objective 0.000000e+00, 178 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 (311 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 -- 9
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:21:18 2012
Optimize a model with 822 rows, 498 columns and 2544 nonzeros
Presolve time: 0.00s
Presolved: 822 rows, 498 columns, 2544 nonzeros
Variable types: 0 continuous, 498 integer (498 binary)
Root relaxation: objective 0.000000e+00, 173 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 (299 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 -- 4
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:21:19 2012
Optimize a model with 450 rows, 342 columns and 1272 nonzeros
Presolve removed 78 rows and 78 columns
Presolve time: 0.00s
Presolved: 372 rows, 264 columns, 1116 nonzeros
Variable types: 0 continuous, 264 integer (264 binary)
Root relaxation: objective 0.000000e+00, 82 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 78 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Explored 0 nodes (314 simplex iterations) in 0.00 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 18:21:19 2012
Optimize a model with 636 rows, 420 columns and 1908 nonzeros
Presolve time: 0.00s
Presolved: 636 rows, 420 columns, 1908 nonzeros
Variable types: 0 continuous, 420 integer (420 binary)
Root relaxation: objective 0.000000e+00, 184 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 0 129 - 0.00000 - - 0s
0 0 0.00000 0 161 - 0.00000 - - 0s
0 0 0.00000 0 114 - 0.00000 - - 0s
0 0 0.00000 0 114 - 0.00000 - - 0s
0 0 0.00000 0 140 - 0.00000 - - 0s
0 0 0.00000 0 145 - 0.00000 - - 0s
0 0 0.00000 0 146 - 0.00000 - - 0s
0 0 0.00000 0 154 - 0.00000 - - 0s
0 0 0.00000 0 132 - 0.00000 - - 0s
0 2 0.00000 0 132 - 0.00000 - - 0s
Cutting planes:
Zero half: 19
Explored 12 nodes (5424 simplex iterations) in 0.24 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