current bounds on the number of colors: 0 -- 199 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:29:52 2012 Optimize a model with 21583 rows, 19917 columns and 83853 nonzeros Presolve removed 24 rows and 2376 columns Presolve time: 0.13s Presolved: 21559 rows, 17541 columns, 81477 nonzeros Variable types: 0 continuous, 17541 integer (17541 binary) Root relaxation: objective 0.000000e+00, 330 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 (330 simplex iterations) in 0.15 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 -- 99 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:29:52 2012 Optimize a model with 10783 rows, 9967 columns and 41503 nonzeros Presolve removed 24 rows and 1176 columns Presolve time: 0.10s Presolved: 10759 rows, 8791 columns, 40327 nonzeros Variable types: 0 continuous, 8791 integer (8791 binary) Root relaxation: objective 0.000000e+00, 328 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 (328 simplex iterations) in 0.11 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 -- 49 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:29:53 2012 Optimize a model with 5383 rows, 4992 columns and 20328 nonzeros Presolve removed 24 rows and 576 columns Presolve time: 0.03s Presolved: 5359 rows, 4416 columns, 19752 nonzeros Variable types: 0 continuous, 4416 integer (4416 binary) Root relaxation: objective 0.000000e+00, 331 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 (490 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 -- 24 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:29:53 2012 Optimize a model with 2791 rows, 2604 columns and 10164 nonzeros Presolve removed 24 rows and 288 columns Presolve time: 0.01s Presolved: 2767 rows, 2316 columns, 9876 nonzeros Variable types: 0 continuous, 2316 integer (2316 binary) Root relaxation: objective 0.000000e+00, 327 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 (487 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 -- 12 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:29:53 2012 Optimize a model with 1495 rows, 1410 columns and 5082 nonzeros Presolve removed 24 rows and 144 columns Presolve time: 0.01s Presolved: 1471 rows, 1266 columns, 4938 nonzeros Variable types: 0 continuous, 1266 integer (1266 binary) Root relaxation: objective 0.000000e+00, 353 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 (525 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 -- 6 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:29:53 2012 Optimize a model with 847 rows, 813 columns and 2541 nonzeros Presolve removed 24 rows and 72 columns Presolve time: 0.00s Presolved: 823 rows, 741 columns, 2469 nonzeros Variable types: 0 continuous, 741 integer (741 binary) Root relaxation: objective 0.000000e+00, 325 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 (325 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 Sat Dec 15 16:29:53 2012 Optimize a model with 415 rows, 415 columns and 847 nonzeros Presolve removed 415 rows and 415 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 16:29:53 2012 Optimize a model with 631 rows, 614 columns and 1694 nonzeros Presolve removed 209 rows and 238 columns Presolve time: 0.00s Presolved: 422 rows, 376 columns, 1266 nonzeros Variable types: 0 continuous, 376 integer (376 binary) Root relaxation: objective 0.000000e+00, 199 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 0 165 - 0.00000 - - 0s 0 0 infeasible 0 - 0.10000 - - 0s Explored 0 nodes (633 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