
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 06:35:12 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3807.38.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/grafo3807.38.lp
Reading time = 0.13 seconds
: 65376 rows, 1763 columns, 197458 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 65376 rows, 1763 columns and 197458 nonzeros
Model fingerprint: 0x182ca696
Variable types: 40 continuous, 1723 integer (1723 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 16467 rows and 25 columns
Presolve time: 0.74s
Presolved: 48909 rows, 1738 columns, 148363 nonzeros
Variable types: 0 continuous, 1738 integer (1698 binary)
Root relaxation presolved: 1738 rows, 50647 columns, 150101 nonzeros


Root relaxation: objective 3.900000e+01, 3417 iterations, 1.59 seconds (1.24 work units)
Total elapsed time = 10.74s (DegenMoves)

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

     0     0   39.00000    0  571          -   39.00000      -     -   23s
H    0     0                       5.0000000   39.00000   680%     -   23s
H    0     0                       7.0000000   39.00000   457%     -   23s
     0     0   39.00000    0  810    7.00000   39.00000   457%     -   36s
H    0     0                       8.0000000   39.00000   387%     -   37s
     0     0   39.00000    0  784    8.00000   39.00000   387%     -   38s
H    0     0                      10.0000000   39.00000   290%     -   41s
     0     0   39.00000    0  719   10.00000   39.00000   290%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 1
  Clique: 17
  MIR: 75
  Zero half: 118
  RLT: 66
  BQP: 1

Explored 1 nodes (37503 simplex iterations) in 50.09 seconds (38.45 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 10 8 7 5 

Time limit reached
Best objective 1.000000000000e+01, best bound 3.900000000000e+01, gap 290.0000%

Wrote result file './lp_solutions/grafo3807.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 09:25:32 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3807.38.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/grafo3807.38.lp
Reading time = 0.11 seconds
: 65376 rows, 1763 columns, 197458 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 65376 rows, 1763 columns and 197458 nonzeros
Model fingerprint: 0x182ca696
Variable types: 40 continuous, 1723 integer (1723 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 16467 rows and 25 columns
Presolve time: 0.46s
Presolved: 48909 rows, 1738 columns, 148363 nonzeros
Variable types: 0 continuous, 1738 integer (1698 binary)
Root relaxation presolved: 1738 rows, 50647 columns, 150101 nonzeros


Root relaxation: objective 3.900000e+01, 3417 iterations, 1.13 seconds (1.24 work units)
Total elapsed time = 8.20s (DegenMoves)

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

     0     0   39.00000    0  571          -   39.00000      -     -   18s
H    0     0                       5.0000000   39.00000   680%     -   18s
H    0     0                       7.0000000   39.00000   457%     -   18s
     0     0   39.00000    0  810    7.00000   39.00000   457%     -   28s
H    0     0                       8.0000000   39.00000   387%     -   28s
     0     0   39.00000    0  784    8.00000   39.00000   387%     -   29s
H    0     0                      10.0000000   39.00000   290%     -   31s
     0     0   39.00000    0  664   10.00000   39.00000   290%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 1
  Clique: 17
  MIR: 75
  Zero half: 118
  RLT: 66
  BQP: 1

Explored 1 nodes (50567 simplex iterations) in 50.08 seconds (50.45 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 10 8 7 5 

Time limit reached
Best objective 1.000000000000e+01, best bound 3.900000000000e+01, gap 290.0000%

Wrote result file './lp_solutions/grafo3807.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 02:20:53 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3807.38.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/grafo3807.38.lp
Reading time = 0.10 seconds
: 65376 rows, 1763 columns, 197458 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 65376 rows, 1763 columns and 197458 nonzeros
Model fingerprint: 0x182ca696
Variable types: 40 continuous, 1723 integer (1723 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 16467 rows and 25 columns
Presolve time: 0.44s
Presolved: 48909 rows, 1738 columns, 148363 nonzeros
Variable types: 0 continuous, 1738 integer (1698 binary)
Root relaxation presolved: 1738 rows, 50647 columns, 150101 nonzeros


Root relaxation: objective 3.900000e+01, 3417 iterations, 1.00 seconds (1.24 work units)
Total elapsed time = 7.74s (DegenMoves)

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

     0     0   39.00000    0  571          -   39.00000      -     -   17s
H    0     0                       5.0000000   39.00000   680%     -   17s
H    0     0                       7.0000000   39.00000   457%     -   18s
     0     0   39.00000    0  810    7.00000   39.00000   457%     -   26s
H    0     0                       8.0000000   39.00000   387%     -   27s
     0     0   39.00000    0  784    8.00000   39.00000   387%     -   28s
H    0     0                      10.0000000   39.00000   290%     -   29s
H    0     0                      11.0000000   39.00000   255%     -   48s
H    0     0                      13.0000000   39.00000   200%     -   48s
     0     0   39.00000    0  472   13.00000   39.00000   200%     -   48s
     0     0   39.00000    0  471   13.00000   39.00000   200%     -   49s

Cutting planes:
  Gomory: 1
  Cover: 38
  Clique: 6
  MIR: 111
  StrongCG: 2
  GUB cover: 2
  Zero half: 7
  RLT: 32
  BQP: 2

Explored 1 nodes (53555 simplex iterations) in 50.16 seconds (53.83 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 13 11 10 ... 5

Time limit reached
Best objective 1.300000000000e+01, best bound 3.900000000000e+01, gap 200.0000%

Wrote result file './lp_solutions/grafo3807.38.sol'

