
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 03:38:14 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11626.38.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/grafo11626.38.lp
Reading time = 0.10 seconds
: 54184 rows, 1940 columns, 164174 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 54184 rows, 1940 columns and 164174 nonzeros
Model fingerprint: 0x87417dee
Variable types: 45 continuous, 1895 integer (1895 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 1.0000000
Presolve removed 5606 rows and 46 columns
Presolve time: 0.49s
Presolved: 48578 rows, 1894 columns, 147789 nonzeros
Variable types: 0 continuous, 1894 integer (1849 binary)
Found heuristic solution: objective 2.0000000
Root relaxation presolved: 25952 rows, 24520 columns, 102537 nonzeros


Root relaxation: objective 3.600000e+01, 2110 iterations, 1.16 seconds (0.65 work units)

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

     0     0   36.00000    0  304    2.00000   36.00000  1700%     -    4s
H    0     0                       3.0000000   36.00000  1100%     -    4s
H    0     0                       4.0000000   36.00000   800%     -    4s
H    0     0                       7.0000000   36.00000   414%     -    4s
H    0     0                       9.0000000   36.00000   300%     -   14s
H    0     0                      12.0000000   36.00000   200%     -   14s
     0     0   36.00000    0  700   12.00000   36.00000   200%     -   14s
     0     0   36.00000    0  699   12.00000   36.00000   200%     -   14s
H    0     0                      14.0000000   36.00000   157%     -   36s
     0     0   36.00000    0  478   14.00000   36.00000   157%     -   36s
     0     0   36.00000    0  475   14.00000   36.00000   157%     -   36s
     0     0          -    0        14.00000   36.00000   157%     -   50s

Cutting planes:
  Cover: 34
  MIR: 139
  StrongCG: 1
  GUB cover: 7
  Zero half: 48
  RLT: 47

Explored 1 nodes (36774 simplex iterations) in 50.07 seconds (29.08 work units)
Thread count was 8 (of 8 available processors)

Solution count 8: 14 12 9 ... 1

Time limit reached
Best objective 1.400000000000e+01, best bound 3.600000000000e+01, gap 157.1429%

Wrote result file './lp_solutions/grafo11626.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 09:12:08 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11626.38.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/grafo11626.38.lp
Reading time = 0.09 seconds
: 54184 rows, 1940 columns, 164174 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 54184 rows, 1940 columns and 164174 nonzeros
Model fingerprint: 0x87417dee
Variable types: 45 continuous, 1895 integer (1895 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 1.0000000
Presolve removed 5606 rows and 46 columns
Presolve time: 0.37s
Presolved: 48578 rows, 1894 columns, 147789 nonzeros
Variable types: 0 continuous, 1894 integer (1849 binary)
Found heuristic solution: objective 2.0000000
Root relaxation presolved: 25952 rows, 24520 columns, 102537 nonzeros


Root relaxation: objective 3.600000e+01, 2110 iterations, 0.72 seconds (0.65 work units)

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

     0     0   36.00000    0  304    2.00000   36.00000  1700%     -    3s
H    0     0                       3.0000000   36.00000  1100%     -    3s
H    0     0                       4.0000000   36.00000   800%     -    3s
H    0     0                       7.0000000   36.00000   414%     -    3s
H    0     0                       9.0000000   36.00000   300%     -    9s
H    0     0                      12.0000000   36.00000   200%     -    9s
     0     0   36.00000    0  700   12.00000   36.00000   200%     -    9s
     0     0   36.00000    0  699   12.00000   36.00000   200%     -   10s
H    0     0                      14.0000000   36.00000   157%     -   25s
     0     0   36.00000    0  478   14.00000   36.00000   157%     -   25s
     0     0   36.00000    0  475   14.00000   36.00000   157%     -   25s
     0     0   36.00000    0  736   14.00000   36.00000   157%     -   50s

Cutting planes:
  Cover: 34
  MIR: 139
  StrongCG: 1
  GUB cover: 7
  Zero half: 48
  RLT: 47

Explored 1 nodes (53025 simplex iterations) in 50.06 seconds (44.57 work units)
Thread count was 8 (of 8 available processors)

Solution count 8: 14 12 9 ... 1

Time limit reached
Best objective 1.400000000000e+01, best bound 3.600000000000e+01, gap 157.1429%

Wrote result file './lp_solutions/grafo11626.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 02:07:29 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11626.38.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/grafo11626.38.lp
Reading time = 0.09 seconds
: 54184 rows, 1940 columns, 164174 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 54184 rows, 1940 columns and 164174 nonzeros
Model fingerprint: 0x87417dee
Variable types: 45 continuous, 1895 integer (1895 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 1.0000000
Presolve removed 5606 rows and 46 columns
Presolve time: 0.35s
Presolved: 48578 rows, 1894 columns, 147789 nonzeros
Variable types: 0 continuous, 1894 integer (1849 binary)
Found heuristic solution: objective 2.0000000
Root relaxation presolved: 25952 rows, 24520 columns, 102537 nonzeros


Root relaxation: objective 3.600000e+01, 2110 iterations, 0.69 seconds (0.65 work units)

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

     0     0   36.00000    0  304    2.00000   36.00000  1700%     -    2s
H    0     0                       3.0000000   36.00000  1100%     -    2s
H    0     0                       4.0000000   36.00000   800%     -    2s
H    0     0                       7.0000000   36.00000   414%     -    2s
H    0     0                       9.0000000   36.00000   300%     -    9s
H    0     0                      12.0000000   36.00000   200%     -    9s
     0     0   36.00000    0  700   12.00000   36.00000   200%     -    9s
     0     0   36.00000    0  699   12.00000   36.00000   200%     -    9s
H    0     0                      14.0000000   36.00000   157%     -   24s
     0     0   36.00000    0  478   14.00000   36.00000   157%     -   24s
     0     0   36.00000    0  475   14.00000   36.00000   157%     -   24s
     0     0   36.00000    0  736   14.00000   36.00000   157%     -   50s

Cutting planes:
  Cover: 34
  MIR: 139
  StrongCG: 1
  GUB cover: 7
  Zero half: 48
  RLT: 47

Explored 1 nodes (54394 simplex iterations) in 50.07 seconds (46.35 work units)
Thread count was 8 (of 8 available processors)

Solution count 8: 14 12 9 ... 1

Time limit reached
Best objective 1.400000000000e+01, best bound 3.600000000000e+01, gap 157.1429%

Wrote result file './lp_solutions/grafo11626.38.sol'

