
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 06:31:00 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3752.38.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/grafo3752.38.lp
Reading time = 0.11 seconds
: 49687 rows, 1820 columns, 150503 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 49687 rows, 1820 columns and 150503 nonzeros
Model fingerprint: 0x7ab059fc
Variable types: 42 continuous, 1778 integer (1778 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 6175 rows and 33 columns
Presolve time: 0.47s
Presolved: 43512 rows, 1787 columns, 132254 nonzeros
Variable types: 0 continuous, 1787 integer (1745 binary)
Root relaxation presolved: 23596 rows, 21703 columns, 92422 nonzeros


Root relaxation: objective 4.100000e+01, 5558 iterations, 4.37 seconds (2.75 work units)
Total elapsed time = 10.61s (DegenMoves)

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

     0     0   41.00000    0  404          -   41.00000      -     -   14s
H    0     0                       9.0000000   41.00000   356%     -   15s
H    0     0                      11.0000000   41.00000   273%     -   15s
     0     0   41.00000    0  784   11.00000   41.00000   273%     -   24s
H    0     0                      13.0000000   41.00000   215%     -   24s
     0     0   41.00000    0  784   13.00000   41.00000   215%     -   24s
     0     0   41.00000    0  560   13.00000   41.00000   215%     -   48s
     0     0   41.00000    0  537   13.00000   41.00000   215%     -   49s

Cutting planes:
  Gomory: 2
  Cover: 22
  MIR: 163
  StrongCG: 2
  GUB cover: 2
  Zero half: 7
  RLT: 31

Explored 1 nodes (45399 simplex iterations) in 50.27 seconds (34.10 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 13 11 9 

Time limit reached
Best objective 1.300000000000e+01, best bound 4.100000000000e+01, gap 215.3846%

Wrote result file './lp_solutions/grafo3752.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 09:24:42 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3752.38.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/grafo3752.38.lp
Reading time = 0.09 seconds
: 49687 rows, 1820 columns, 150503 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 49687 rows, 1820 columns and 150503 nonzeros
Model fingerprint: 0x7ab059fc
Variable types: 42 continuous, 1778 integer (1778 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 6175 rows and 33 columns
Presolve time: 0.37s
Presolved: 43512 rows, 1787 columns, 132254 nonzeros
Variable types: 0 continuous, 1787 integer (1745 binary)
Root relaxation presolved: 23596 rows, 21703 columns, 92422 nonzeros


Root relaxation: objective 4.100000e+01, 5558 iterations, 3.16 seconds (2.75 work units)
Total elapsed time = 8.05s (DegenMoves)
Total elapsed time = 10.34s (DegenMoves)

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

     0     0   41.00000    0  404          -   41.00000      -     -   11s
H    0     0                       9.0000000   41.00000   356%     -   11s
H    0     0                      11.0000000   41.00000   273%     -   11s
     0     0   41.00000    0  784   11.00000   41.00000   273%     -   18s
H    0     0                      13.0000000   41.00000   215%     -   18s
     0     0   41.00000    0  784   13.00000   41.00000   215%     -   18s
     0     0   41.00000    0  560   13.00000   41.00000   215%     -   36s
     0     0   41.00000    0  537   13.00000   41.00000   215%     -   37s
     0     0   41.00000    0  729   13.00000   41.00000   215%     -   50s

Cutting planes:
  Gomory: 2
  Cover: 22
  MIR: 158
  StrongCG: 2
  GUB cover: 2
  Zero half: 45
  RLT: 68

Explored 1 nodes (57644 simplex iterations) in 50.05 seconds (43.19 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 13 11 9 

Time limit reached
Best objective 1.300000000000e+01, best bound 4.100000000000e+01, gap 215.3846%

Wrote result file './lp_solutions/grafo3752.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 02:20:02 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3752.38.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/grafo3752.38.lp
Reading time = 0.08 seconds
: 49687 rows, 1820 columns, 150503 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 49687 rows, 1820 columns and 150503 nonzeros
Model fingerprint: 0x7ab059fc
Variable types: 42 continuous, 1778 integer (1778 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 6175 rows and 33 columns
Presolve time: 0.34s
Presolved: 43512 rows, 1787 columns, 132254 nonzeros
Variable types: 0 continuous, 1787 integer (1745 binary)
Root relaxation presolved: 23596 rows, 21703 columns, 92422 nonzeros


Root relaxation: objective 4.100000e+01, 5558 iterations, 2.99 seconds (2.75 work units)
Total elapsed time = 7.70s (DegenMoves)
Total elapsed time = 10.66s (DegenMoves)

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

     0     0   41.00000    0  404          -   41.00000      -     -   10s
H    0     0                       9.0000000   41.00000   356%     -   10s
H    0     0                      11.0000000   41.00000   273%     -   10s
     0     0   41.00000    0  784   11.00000   41.00000   273%     -   17s
H    0     0                      13.0000000   41.00000   215%     -   17s
     0     0   41.00000    0  784   13.00000   41.00000   215%     -   17s
     0     0   41.00000    0  560   13.00000   41.00000   215%     -   34s
     0     0   41.00000    0  537   13.00000   41.00000   215%     -   35s
     0     0   41.00000    0  729   13.00000   41.00000   215%     -   50s

Cutting planes:
  Gomory: 2
  Cover: 22
  MIR: 158
  StrongCG: 2
  GUB cover: 2
  Zero half: 45
  RLT: 68

Explored 1 nodes (61775 simplex iterations) in 50.06 seconds (46.53 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 13 11 9 

Time limit reached
Best objective 1.300000000000e+01, best bound 4.100000000000e+01, gap 215.3846%

Wrote result file './lp_solutions/grafo3752.38.sol'

