
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 08:25:02 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5653.43.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/grafo5653.43.lp
Reading time = 0.13 seconds
: 54706 rows, 1781 columns, 165187 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 54706 rows, 1781 columns and 165187 nonzeros
Model fingerprint: 0x1d7f136a
Variable types: 36 continuous, 1745 integer (1745 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]
Presolve removed 9394 rows and 6 columns
Presolve time: 0.43s
Presolved: 45312 rows, 1775 columns, 137194 nonzeros
Variable types: 0 continuous, 1775 integer (1739 binary)
Root relaxation presolved: 25831 rows, 21256 columns, 98232 nonzeros


Root relaxation: objective 3.800000e+01, 3554 iterations, 2.61 seconds (1.57 work units)
Total elapsed time = 5.32s (DegenMoves)

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

     0     0   38.00000    0  273          -   38.00000      -     -    5s
H    0     0                      11.0000000   38.00000   245%     -    6s
H    0     0                      12.0000000   38.00000   217%     -    7s
     0     0   37.00000    0  474   12.00000   37.00000   208%     -   10s
H    0     0                      13.0000000   37.00000   185%     -   10s
     0     0   37.00000    0  472   13.00000   37.00000   185%     -   11s
H    0     0                      14.0000000   37.00000   164%     -   14s
H    0     0                      16.0000000   37.00000   131%     -   20s
     0     0   37.00000    0  379   16.00000   37.00000   131%     -   20s
     0     0   37.00000    0  356   16.00000   37.00000   131%     -   20s
     0     0   37.00000    0  329   16.00000   37.00000   131%     -   30s
     0     0   37.00000    0  333   16.00000   37.00000   131%     -   31s
H    0     0                      17.0000000   37.00000   118%     -   45s
     0     0   37.00000    0  274   17.00000   37.00000   118%     -   45s
     0     0   37.00000    0  280   17.00000   37.00000   118%     -   47s
     0     0   37.00000    0  419   17.00000   37.00000   118%     -   50s

Cutting planes:
  Gomory: 2
  Lift-and-project: 1
  Cover: 30
  Clique: 7
  MIR: 116
  StrongCG: 4
  Inf proof: 2
  Zero half: 44
  RLT: 60

Explored 1 nodes (44621 simplex iterations) in 50.09 seconds (26.67 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 17 16 14 ... 11

Time limit reached
Best objective 1.700000000000e+01, best bound 3.700000000000e+01, gap 117.6471%

Wrote result file './lp_solutions/grafo5653.43.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 05:57:26 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5653.43.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/grafo5653.43.lp
Reading time = 0.09 seconds
: 54706 rows, 1781 columns, 165187 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 54706 rows, 1781 columns and 165187 nonzeros
Model fingerprint: 0x1d7f136a
Variable types: 36 continuous, 1745 integer (1745 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]
Presolve removed 9394 rows and 6 columns
Presolve time: 0.31s
Presolved: 45312 rows, 1775 columns, 137194 nonzeros
Variable types: 0 continuous, 1775 integer (1739 binary)
Root relaxation presolved: 25831 rows, 21256 columns, 98232 nonzeros


Root relaxation: objective 3.800000e+01, 3554 iterations, 1.60 seconds (1.57 work units)

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

     0     0   38.00000    0  273          -   38.00000      -     -    3s
H    0     0                      11.0000000   38.00000   245%     -    3s
H    0     0                      12.0000000   38.00000   217%     -    4s
     0     0   37.00000    0  474   12.00000   37.00000   208%     -    6s
H    0     0                      13.0000000   37.00000   185%     -    6s
     0     0   37.00000    0  472   13.00000   37.00000   185%     -    6s
H    0     0                      14.0000000   37.00000   164%     -    8s
H    0     0                      16.0000000   37.00000   131%     -   12s
     0     0   37.00000    0  379   16.00000   37.00000   131%     -   12s
     0     0   37.00000    0  356   16.00000   37.00000   131%     -   12s
     0     0   37.00000    0  329   16.00000   37.00000   131%     -   18s
     0     0   37.00000    0  333   16.00000   37.00000   131%     -   19s
H    0     0                      17.0000000   37.00000   118%     -   29s
     0     0   37.00000    0  274   17.00000   37.00000   118%     -   29s
     0     0   37.00000    0  280   17.00000   37.00000   118%     -   30s
     0     0   37.00000    0  370   17.00000   37.00000   118%     -   36s
     0     0   37.00000    0  352   17.00000   37.00000   118%     -   36s
     0     0   37.00000    0  291   17.00000   37.00000   118%     -   42s
     0     0   37.00000    0  291   17.00000   37.00000   118%     -   43s
     0     2   37.00000    0  291   17.00000   37.00000   118%     -   47s

Cutting planes:
  Lift-and-project: 2
  Cover: 23
  Clique: 16
  MIR: 177
  StrongCG: 5
  Inf proof: 4
  Zero half: 9
  RLT: 58
  Relax-and-lift: 3

Explored 31 nodes (73924 simplex iterations) in 50.05 seconds (44.17 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 17 16 14 ... 11

Time limit reached
Best objective 1.700000000000e+01, best bound 3.700000000000e+01, gap 117.6471%

Wrote result file './lp_solutions/grafo5653.43.sol'

