current bounds on the number of colors: 0 -- 95
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:23:39 2012
Optimize a model with 11234 rows, 4702 columns and 37882 nonzeros
Presolve time: 0.07s
Presolved: 11234 rows, 4702 columns, 37882 nonzeros
Variable types: 0 continuous, 4702 integer (4702 binary)
Root relaxation: objective 0.000000e+00, 239 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 (385 simplex iterations) in 0.09 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 -- 47
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:23:39 2012
Optimize a model with 5546 rows, 2422 columns and 18538 nonzeros
Presolve time: 0.02s
Presolved: 5546 rows, 2422 columns, 18538 nonzeros
Variable types: 0 continuous, 2422 integer (2422 binary)
Root relaxation: objective 0.000000e+00, 230 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 (390 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 -- 23
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:23:39 2012
Optimize a model with 2702 rows, 1282 columns and 8866 nonzeros
Presolve time: 0.01s
Presolved: 2702 rows, 1282 columns, 8866 nonzeros
Variable types: 0 continuous, 1282 integer (1282 binary)
Root relaxation: objective 0.000000e+00, 214 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 (356 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 -- 11
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:23:39 2012
Optimize a model with 1280 rows, 712 columns and 4030 nonzeros
Presolve time: 0.00s
Presolved: 1280 rows, 712 columns, 4030 nonzeros
Variable types: 0 continuous, 712 integer (712 binary)
Root relaxation: objective 0.000000e+00, 217 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 (388 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 -- 5
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:23:39 2012
Optimize a model with 569 rows, 427 columns and 1612 nonzeros
Presolve removed 95 rows and 95 columns
Presolve time: 0.00s
Presolved: 474 rows, 332 columns, 1422 nonzeros
Variable types: 0 continuous, 332 integer (332 binary)
Root relaxation: objective 0.000000e+00, 101 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 95 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Explored 0 nodes (381 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 -- 5
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:23:39 2012
Optimize a model with 806 rows, 522 columns and 2418 nonzeros
Presolve time: 0.00s
Presolved: 806 rows, 522 columns, 2418 nonzeros
Variable types: 0 continuous, 522 integer (522 binary)
Root relaxation: objective 0.000000e+00, 230 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 0 170 - 0.00000 - - 0s
0 0 0.00000 0 163 - 0.00000 - - 0s
0 0 0.00000 0 167 - 0.00000 - - 0s
0 0 0.00000 0 205 - 0.00000 - - 0s
0 0 0.00000 0 163 - 0.00000 - - 0s
0 0 0.00000 0 166 - 0.00000 - - 0s
0 0 0.00000 0 185 - 0.00000 - - 0s
0 0 0.00000 0 173 - 0.00000 - - 0s
0 0 0.00000 0 191 - 0.00000 - - 0s
0 0 0.00000 0 190 - 0.00000 - - 0s
0 2 0.00000 0 173 - 0.00000 - - 0s
Cutting planes:
Zero half: 13
Explored 7 nodes (7739 simplex iterations) in 0.39 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: 3 -- 5
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:23:40 2012
Optimize a model with 1043 rows, 617 columns and 3224 nonzeros
Presolve time: 0.00s
Presolved: 1043 rows, 617 columns, 3224 nonzeros
Variable types: 0 continuous, 617 integer (617 binary)
Root relaxation: objective 0.000000e+00, 247 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 (766 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%
optimal solution found: number of colors: 4