current bounds on the number of colors: 0 -- 48
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:19:50 2012
Optimize a model with 1152 rows, 1198 columns and 4464 nonzeros
Presolve removed 8 rows and 192 columns
Presolve time: 0.01s
Presolved: 1144 rows, 1006 columns, 4272 nonzeros
Variable types: 0 continuous, 1006 integer (1006 binary)
Root relaxation: objective 0.000000e+00, 75 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 (75 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 -- 24
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:19:50 2012
Optimize a model with 600 rows, 622 columns and 2232 nonzeros
Presolve removed 8 rows and 96 columns
Presolve time: 0.00s
Presolved: 592 rows, 526 columns, 2136 nonzeros
Variable types: 0 continuous, 526 integer (526 binary)
Root relaxation: objective 0.000000e+00, 67 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 (67 simplex iterations) in 0.00 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 Fri Dec 14 18:19:50 2012
Optimize a model with 324 rows, 334 columns and 1116 nonzeros
Presolve removed 8 rows and 48 columns
Presolve time: 0.00s
Presolved: 316 rows, 286 columns, 1068 nonzeros
Variable types: 0 continuous, 286 integer (286 binary)
Root relaxation: objective 0.000000e+00, 73 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 (73 simplex iterations) in 0.00 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 Fri Dec 14 18:19:50 2012
Optimize a model with 186 rows, 190 columns and 558 nonzeros
Presolve removed 8 rows and 24 columns
Presolve time: 0.00s
Presolved: 178 rows, 166 columns, 534 nonzeros
Variable types: 0 continuous, 166 integer (166 binary)
Root relaxation: objective 0.000000e+00, 64 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 (64 simplex iterations) in 0.00 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 Fri Dec 14 18:19:50 2012
Optimize a model with 94 rows, 94 columns and 186 nonzeros
Presolve removed 94 rows and 94 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 Fri Dec 14 18:19:50 2012
Optimize a model with 140 rows, 142 columns and 372 nonzeros
Presolve removed 48 rows and 56 columns
Presolve time: 0.00s
Presolved: 92 rows, 86 columns, 276 nonzeros
Variable types: 0 continuous, 86 integer (86 binary)
Root relaxation: objective 0.000000e+00, 44 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 40 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Explored 0 nodes (159 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 -
optimal solution found: number of colors: 3