current bounds on the number of colors: 0 -- 101
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:52:32 2012
Optimize a model with 25901 rows, 5566 columns and 82450 nonzeros
Presolve time: 0.13s
Presolved: 25901 rows, 5566 columns, 82450 nonzeros
Variable types: 0 continuous, 5566 integer (5566 binary)
Root relaxation: objective 0.000000e+00, 331 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 (589 simplex iterations) in 0.19 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 19:52:33 2012
Optimize a model with 13001 rows, 3041 columns and 41225 nonzeros
Presolve time: 0.05s
Presolved: 13001 rows, 3041 columns, 41225 nonzeros
Variable types: 0 continuous, 3041 integer (3041 binary)
Root relaxation: objective 0.000000e+00, 243 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 (453 simplex iterations) in 0.08 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 19:52:33 2012
Optimize a model with 6293 rows, 1728 columns and 19788 nonzeros
Presolve time: 0.02s
Presolved: 6293 rows, 1728 columns, 19788 nonzeros
Variable types: 0 continuous, 1728 integer (1728 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 (401 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 19:52:33 2012
Optimize a model with 3197 rows, 1122 columns and 9894 nonzeros
Presolve time: 0.01s
Presolved: 3197 rows, 1122 columns, 9894 nonzeros
Variable types: 0 continuous, 1122 integer (1122 binary)
Root relaxation: objective 0.000000e+00, 215 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 (781 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 19:52:33 2012
Optimize a model with 1649 rows, 819 columns and 4947 nonzeros
Presolve time: 0.00s
Presolved: 1649 rows, 819 columns, 4947 nonzeros
Variable types: 0 continuous, 819 integer (819 binary)
Root relaxation: objective 0.000000e+00, 227 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 0 152 - 0.00000 - - 0s
0 0 0.00000 0 202 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Explored 0 nodes (2561 simplex iterations) in 0.19 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 19:52:33 2012
Optimize a model with 2165 rows, 920 columns and 6596 nonzeros
Presolve time: 0.01s
Presolved: 2165 rows, 920 columns, 6596 nonzeros
Variable types: 0 continuous, 920 integer (920 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 0 196 - 0.00000 - - 0s
0 0 0.00000 0 194 - 0.00000 - - 0s
0 0 0.00000 0 275 - 0.00000 - - 0s
0 0 0.00000 0 265 - 0.00000 - - 0s
0 0 0.00000 0 277 - 0.00000 - - 0s
0 0 0.00000 0 262 - 0.00000 - - 0s
0 0 0.00000 0 273 - 0.00000 - - 1s
0 0 0.00000 0 273 - 0.00000 - - 1s
0 2 0.00000 0 273 - 0.00000 - - 1s
Cutting planes:
Clique: 6
Zero half: 19
Explored 105 nodes (25237 simplex iterations) in 2.54 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 19:52:36 2012
Optimize a model with 2681 rows, 1021 columns and 8245 nonzeros
Presolve time: 0.01s
Presolved: 2681 rows, 1021 columns, 8245 nonzeros
Variable types: 0 continuous, 1021 integer (1021 binary)
Root relaxation: objective 0.000000e+00, 223 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 0 189 - 0.00000 - - 0s
* 0 0 0 0.0000000 0.00000 0.0% - 0s
Cutting planes:
Gomory: 5
Clique: 61
MIR: 1
Zero half: 70
Explored 0 nodes (3280 simplex iterations) in 0.25 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