
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 02:51:35 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11373.38.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/grafo11373.38.lp
Reading time = 0.15 seconds
: 73306 rows, 1980 columns, 221545 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 73306 rows, 1980 columns and 221545 nonzeros
Model fingerprint: 0x48a954dc
Variable types: 45 continuous, 1935 integer (1935 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 16385 rows and 45 columns
Presolve time: 0.80s
Presolved: 56921 rows, 1935 columns, 172821 nonzeros
Variable types: 0 continuous, 1935 integer (1890 binary)
Found heuristic solution: objective 4.0000000
Root relaxation presolved: 1935 rows, 58856 columns, 174756 nonzeros


Root relaxation: objective 4.100000e+01, 1398 iterations, 0.50 seconds (0.26 work units)

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

     0     0   41.00000    0  268    4.00000   41.00000   925%     -    4s
H    0     0                       6.0000000   41.00000   583%     -    4s
H    0     0                       7.0000000   41.00000   486%     -    5s
     0     0   41.00000    0  739    7.00000   41.00000   486%     -   14s
     0     0   41.00000    0  754    7.00000   41.00000   486%     -   15s
H    0     0                       8.0000000   41.00000   412%     -   45s
H    0     0                       9.0000000   41.00000   356%     -   45s
H    0     0                      10.0000000   41.00000   310%     -   45s
     0     0   41.00000    0  783   10.00000   41.00000   310%     -   45s
     0     0   41.00000    0  740   10.00000   41.00000   310%     -   49s

Cutting planes:
  Gomory: 2
  Lift-and-project: 1
  Cover: 9
  Clique: 4
  MIR: 100
  GUB cover: 2
  Zero half: 2
  RLT: 38

Explored 1 nodes (28455 simplex iterations) in 50.08 seconds (29.35 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 10 9 8 ... -0

Time limit reached
Best objective 1.000000000000e+01, best bound 4.100000000000e+01, gap 310.0000%

Wrote result file './lp_solutions/grafo11373.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 09:08:47 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11373.38.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/grafo11373.38.lp
Reading time = 0.12 seconds
: 73306 rows, 1980 columns, 221545 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 73306 rows, 1980 columns and 221545 nonzeros
Model fingerprint: 0x48a954dc
Variable types: 45 continuous, 1935 integer (1935 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 16385 rows and 45 columns
Presolve time: 0.53s
Presolved: 56921 rows, 1935 columns, 172821 nonzeros
Variable types: 0 continuous, 1935 integer (1890 binary)
Found heuristic solution: objective 4.0000000
Root relaxation presolved: 1935 rows, 58856 columns, 174756 nonzeros


Root relaxation: objective 4.100000e+01, 1398 iterations, 0.30 seconds (0.26 work units)

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

     0     0   41.00000    0  268    4.00000   41.00000   925%     -    3s
H    0     0                       6.0000000   41.00000   583%     -    3s
H    0     0                       7.0000000   41.00000   486%     -    3s
     0     0   41.00000    0  739    7.00000   41.00000   486%     -    9s
     0     0   41.00000    0  754    7.00000   41.00000   486%     -   10s
H    0     0                       8.0000000   41.00000   412%     -   32s
H    0     0                       9.0000000   41.00000   356%     -   32s
H    0     0                      10.0000000   41.00000   310%     -   32s
     0     0   41.00000    0  783   10.00000   41.00000   310%     -   32s
     0     0   41.00000    0  740   10.00000   41.00000   310%     -   34s
H    0     0                      12.0000000   41.00000   242%     -   48s
     0     0   41.00000    0  507   12.00000   41.00000   242%     -   48s
     0     0   41.00000    0  472   12.00000   41.00000   242%     -   48s
     0     0          -    0        12.00000   41.00000   242%     -   50s

Cutting planes:
  Cover: 29
  Clique: 6
  MIR: 144
  StrongCG: 2
  GUB cover: 5
  Zero half: 135
  RLT: 55

Explored 1 nodes (42799 simplex iterations) in 50.07 seconds (43.82 work units)
Thread count was 8 (of 8 available processors)

Solution count 8: 12 10 9 ... -0

Time limit reached
Best objective 1.200000000000e+01, best bound 4.100000000000e+01, gap 241.6667%

Wrote result file './lp_solutions/grafo11373.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 02:04:07 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11373.38.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/grafo11373.38.lp
Reading time = 0.12 seconds
: 73306 rows, 1980 columns, 221545 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 73306 rows, 1980 columns and 221545 nonzeros
Model fingerprint: 0x48a954dc
Variable types: 45 continuous, 1935 integer (1935 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 16385 rows and 45 columns
Presolve time: 0.51s
Presolved: 56921 rows, 1935 columns, 172821 nonzeros
Variable types: 0 continuous, 1935 integer (1890 binary)
Found heuristic solution: objective 4.0000000
Root relaxation presolved: 1935 rows, 58856 columns, 174756 nonzeros


Root relaxation: objective 4.100000e+01, 1398 iterations, 0.29 seconds (0.26 work units)

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

     0     0   41.00000    0  268    4.00000   41.00000   925%     -    2s
H    0     0                       6.0000000   41.00000   583%     -    2s
H    0     0                       7.0000000   41.00000   486%     -    3s
     0     0   41.00000    0  739    7.00000   41.00000   486%     -    9s
     0     0   41.00000    0  754    7.00000   41.00000   486%     -   10s
H    0     0                       8.0000000   41.00000   412%     -   32s
H    0     0                       9.0000000   41.00000   356%     -   32s
H    0     0                      10.0000000   41.00000   310%     -   32s
     0     0   41.00000    0  783   10.00000   41.00000   310%     -   32s
     0     0   41.00000    0  740   10.00000   41.00000   310%     -   34s
H    0     0                      12.0000000   41.00000   242%     -   47s
     0     0   41.00000    0  507   12.00000   41.00000   242%     -   47s
     0     0   41.00000    0  472   12.00000   41.00000   242%     -   48s
     0     0          -    0        12.00000   41.00000   242%     -   50s

Cutting planes:
  Cover: 29
  Clique: 6
  MIR: 144
  StrongCG: 2
  GUB cover: 5
  Zero half: 135
  RLT: 55

Explored 1 nodes (43159 simplex iterations) in 50.08 seconds (44.10 work units)
Thread count was 8 (of 8 available processors)

Solution count 8: 12 10 9 ... -0

Time limit reached
Best objective 1.200000000000e+01, best bound 4.100000000000e+01, gap 241.6667%

Wrote result file './lp_solutions/grafo11373.38.sol'

