
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 01:45:26 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2481.15.log"
Using license file /Users/sara/gurobi.lic
Academic license - for non-commercial use only - expires 2025-05-12

Gurobi Optimizer version 11.0.1 build v11.0.1rc0 (mac64[x86] - Darwin 21.6.0 21G651)
Copyright (c) 2024, Gurobi Optimization, LLC

Read LP format model from file ./lp_problems/grafo2481.15.lp
Reading time = 0.01 seconds
: 2121 rows, 252 columns, 6412 nonzeros

CPU model: Intel(R) Core(TM) i5-1038NG7 CPU @ 2.00GHz
Thread count: 4 physical cores, 8 logical processors, using up to 8 threads

Optimize a model with 2121 rows, 252 columns and 6412 nonzeros
Model fingerprint: 0x20acccfe
Variable types: 14 continuous, 238 integer (238 binary)
Coefficient statistics:
  Matrix range     [5e-01, 5e+01]
  Objective range  [1e+00, 1e+00]
  Bounds range     [1e+00, 1e+00]
  RHS range        [1e+00, 5e+01]
Found heuristic solution: objective -0.0000000
Presolve removed 378 rows and 21 columns
Presolve time: 0.04s
Presolved: 1743 rows, 231 columns, 5425 nonzeros
Variable types: 0 continuous, 231 integer (217 binary)
Found heuristic solution: objective 3.0000000

Root relaxation: objective 7.000000e+00, 200 iterations, 0.02 seconds (0.01 work units)

    Nodes    |    Current Node    |     Objective Bounds      |     Work
 Expl Unexpl |  Obj  Depth IntInf | Incumbent    BestBd   Gap | It/Node Time

     0     0    7.00000    0   79    3.00000    7.00000   133%     -    0s
H    0     0                       4.0000000    7.00000  75.0%     -    0s
     0     0    7.00000    0   73    4.00000    7.00000  75.0%     -    0s
     0     0    7.00000    0   73    4.00000    7.00000  75.0%     -    0s
     0     0    7.00000    0   80    4.00000    7.00000  75.0%     -    0s
     0     0    7.00000    0   67    4.00000    7.00000  75.0%     -    0s
     0     0    7.00000    0   10    4.00000    7.00000  75.0%     -    0s
H    0     0                       6.0000000    7.00000  16.7%     -    0s
     0     0    7.00000    0   17    6.00000    7.00000  16.7%     -    0s
     0     0    7.00000    0   17    6.00000    7.00000  16.7%     -    0s
     0     0    7.00000    0   17    6.00000    7.00000  16.7%     -    0s
     0     0    7.00000    0   10    6.00000    7.00000  16.7%     -    0s
     0     0    7.00000    0   10    6.00000    7.00000  16.7%     -    1s
     0     2    7.00000    0   10    6.00000    7.00000  16.7%     -    1s
    13    10    7.00000    1   62    6.00000    7.00000  16.7%   1.1    5s
   561   288    7.00000   32   56    6.00000    7.00000  16.7%  90.1   10s
  1181   417 infeasible   33         6.00000    7.00000  16.7%   100   18s
  1553   417 infeasible   42         6.00000    7.00000  16.7%   100   23s
  1943   367 infeasible   36         6.00000    7.00000  16.7%  99.0   26s
  2902   128 infeasible   29         6.00000    7.00000  16.7%  98.7   31s
  3381    33    7.00000   25   68    6.00000    7.00000  16.7%  96.3   35s

Cutting planes:
  Gomory: 7
  Lift-and-project: 1
  Cover: 1
  MIR: 2
  Flow cover: 13
  GUB cover: 2
  Zero half: 4
  RLT: 6

Explored 3614 nodes (344264 simplex iterations) in 35.63 seconds (8.66 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 6 4 3 -0 

Optimal solution found (tolerance 1.00e-04)
Best objective 6.000000000000e+00, best bound 6.000000000000e+00, gap 0.0000%

Wrote result file './lp_solutions/grafo2481.15.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 02:01:54 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2481.15.log"
Using license file /Users/sara/gurobi.lic
Academic license - for non-commercial use only - expires 2025-05-12

Gurobi Optimizer version 11.0.1 build v11.0.1rc0 (mac64[x86] - Darwin 21.6.0 21G651)
Copyright (c) 2024, Gurobi Optimization, LLC

Read LP format model from file ./lp_problems/grafo2481.15.lp
Reading time = 0.00 seconds
: 2121 rows, 252 columns, 6412 nonzeros

CPU model: Intel(R) Core(TM) i5-1038NG7 CPU @ 2.00GHz
Thread count: 4 physical cores, 8 logical processors, using up to 8 threads

Optimize a model with 2121 rows, 252 columns and 6412 nonzeros
Model fingerprint: 0x20acccfe
Variable types: 14 continuous, 238 integer (238 binary)
Coefficient statistics:
  Matrix range     [5e-01, 5e+01]
  Objective range  [1e+00, 1e+00]
  Bounds range     [1e+00, 1e+00]
  RHS range        [1e+00, 5e+01]
Found heuristic solution: objective -0.0000000
Presolve removed 378 rows and 21 columns
Presolve time: 0.02s
Presolved: 1743 rows, 231 columns, 5425 nonzeros
Variable types: 0 continuous, 231 integer (217 binary)
Found heuristic solution: objective 3.0000000

Root relaxation: objective 7.000000e+00, 200 iterations, 0.01 seconds (0.01 work units)

    Nodes    |    Current Node    |     Objective Bounds      |     Work
 Expl Unexpl |  Obj  Depth IntInf | Incumbent    BestBd   Gap | It/Node Time

     0     0    7.00000    0   79    3.00000    7.00000   133%     -    0s
H    0     0                       4.0000000    7.00000  75.0%     -    0s
     0     0    7.00000    0   73    4.00000    7.00000  75.0%     -    0s
     0     0    7.00000    0   73    4.00000    7.00000  75.0%     -    0s
     0     0    7.00000    0   80    4.00000    7.00000  75.0%     -    0s
     0     0    7.00000    0   67    4.00000    7.00000  75.0%     -    0s
     0     0    7.00000    0   10    4.00000    7.00000  75.0%     -    0s
H    0     0                       6.0000000    7.00000  16.7%     -    0s
     0     0    7.00000    0   17    6.00000    7.00000  16.7%     -    0s
     0     0    7.00000    0   17    6.00000    7.00000  16.7%     -    0s
     0     0    7.00000    0   17    6.00000    7.00000  16.7%     -    0s
     0     0    7.00000    0   10    6.00000    7.00000  16.7%     -    0s
     0     0    7.00000    0   10    6.00000    7.00000  16.7%     -    0s
     0     2    7.00000    0   10    6.00000    7.00000  16.7%     -    0s
   340   234    7.00000   32  107    6.00000    7.00000  16.7%  72.1    5s
  1181   417 infeasible   33         6.00000    7.00000  16.7%   100   12s
  1553   417 infeasible   42         6.00000    7.00000  16.7%   100   15s
  2902   128 infeasible   29         6.00000    7.00000  16.7%  98.7   20s

Cutting planes:
  Gomory: 7
  Lift-and-project: 1
  Cover: 1
  MIR: 2
  Flow cover: 13
  GUB cover: 2
  Zero half: 4
  RLT: 6

Explored 3614 nodes (344264 simplex iterations) in 22.31 seconds (8.66 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 6 4 3 -0 

Optimal solution found (tolerance 1.00e-04)
Best objective 6.000000000000e+00, best bound 6.000000000000e+00, gap 0.0000%

Wrote result file './lp_solutions/grafo2481.15.sol'

