
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 07:33:48 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo7002.38.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/grafo7002.38.lp
Reading time = 0.11 seconds
: 44296 rows, 1780 columns, 134256 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 44296 rows, 1780 columns and 134256 nonzeros
Model fingerprint: 0xfc4a7e22
Variable types: 42 continuous, 1738 integer (1738 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 3008 rows and 42 columns
Presolve time: 0.43s
Presolved: 41288 rows, 1738 columns, 125586 nonzeros
Variable types: 0 continuous, 1738 integer (1696 binary)
Found heuristic solution: objective 9.0000000
Root relaxation presolved: 21372 rows, 21654 columns, 85754 nonzeros


Root relaxation: objective 3.400000e+01, 2155 iterations, 1.10 seconds (0.60 work units)

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

     0     0   34.00000    0  454    9.00000   34.00000   278%     -    4s
H    0     0                      10.0000000   34.00000   240%     -    4s
     0     0   34.00000    0  718   10.00000   34.00000   240%     -   14s
     0     0   34.00000    0  711   10.00000   34.00000   240%     -   15s
H    0     0                      14.0000000   34.00000   143%     -   36s
     0     0   34.00000    0  381   14.00000   34.00000   143%     -   36s
     0     0   34.00000    0  365   14.00000   34.00000   143%     -   37s
     0     0   34.00000    0  472   14.00000   34.00000   143%     -   48s
     0     0   34.00000    0  534   14.00000   34.00000   143%     -   49s

Cutting planes:
  Gomory: 1
  Cover: 24
  MIR: 63
  StrongCG: 1
  GUB cover: 6
  Zero half: 1
  RLT: 21

Explored 1 nodes (43003 simplex iterations) in 50.07 seconds (26.36 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 14 10 9 -0 

Time limit reached
Best objective 1.400000000000e+01, best bound 3.400000000000e+01, gap 142.8571%

Wrote result file './lp_solutions/grafo7002.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 04:49:27 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo7002.38.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/grafo7002.38.lp
Reading time = 0.10 seconds
: 44296 rows, 1780 columns, 134256 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 44296 rows, 1780 columns and 134256 nonzeros
Model fingerprint: 0xfc4a7e22
Variable types: 42 continuous, 1738 integer (1738 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 3008 rows and 42 columns
Presolve time: 0.39s
Presolved: 41288 rows, 1738 columns, 125586 nonzeros
Variable types: 0 continuous, 1738 integer (1696 binary)
Found heuristic solution: objective 9.0000000
Root relaxation presolved: 21372 rows, 21654 columns, 85754 nonzeros


Root relaxation: objective 3.400000e+01, 2155 iterations, 0.93 seconds (0.60 work units)

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

     0     0   34.00000    0  454    9.00000   34.00000   278%     -    3s
H    0     0                      10.0000000   34.00000   240%     -    3s
     0     0   34.00000    0  718   10.00000   34.00000   240%     -   11s
     0     0   34.00000    0  711   10.00000   34.00000   240%     -   12s
H    0     0                      14.0000000   34.00000   143%     -   31s
     0     0   34.00000    0  381   14.00000   34.00000   143%     -   32s
     0     0   34.00000    0  365   14.00000   34.00000   143%     -   32s
     0     0   34.00000    0  472   14.00000   34.00000   143%     -   42s
     0     0   34.00000    0  534   14.00000   34.00000   143%     -   44s
     0     0   34.00000    0  721   14.00000   34.00000   143%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 25
  MIR: 126
  StrongCG: 1
  GUB cover: 4
  Zero half: 38
  RLT: 48

Explored 1 nodes (47907 simplex iterations) in 50.05 seconds (29.91 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 14 10 9 -0 

Time limit reached
Best objective 1.400000000000e+01, best bound 3.400000000000e+01, gap 142.8571%

Wrote result file './lp_solutions/grafo7002.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 20 05:52:18 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo7002.38.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/grafo7002.38.lp
Reading time = 0.08 seconds
: 44296 rows, 1780 columns, 134256 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 44296 rows, 1780 columns and 134256 nonzeros
Model fingerprint: 0xfc4a7e22
Variable types: 42 continuous, 1738 integer (1738 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 3008 rows and 42 columns
Presolve time: 0.34s
Presolved: 41288 rows, 1738 columns, 125586 nonzeros
Variable types: 0 continuous, 1738 integer (1696 binary)
Found heuristic solution: objective 9.0000000
Root relaxation presolved: 21372 rows, 21654 columns, 85754 nonzeros


Root relaxation: objective 3.400000e+01, 2155 iterations, 0.80 seconds (0.60 work units)

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

     0     0   34.00000    0  454    9.00000   34.00000   278%     -    3s
H    0     0                      10.0000000   34.00000   240%     -    3s
     0     0   34.00000    0  718   10.00000   34.00000   240%     -   10s
     0     0   34.00000    0  711   10.00000   34.00000   240%     -   10s
H    0     0                      14.0000000   34.00000   143%     -   29s
     0     0   34.00000    0  381   14.00000   34.00000   143%     -   29s
     0     0   34.00000    0  365   14.00000   34.00000   143%     -   29s
     0     0   34.00000    0  472   14.00000   34.00000   143%     -   39s
     0     0   34.00000    0  534   14.00000   34.00000   143%     -   40s
     0     0   34.00000    0  721   14.00000   34.00000   143%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 25
  MIR: 126
  StrongCG: 1
  GUB cover: 4
  Zero half: 38
  RLT: 48

Explored 1 nodes (52583 simplex iterations) in 50.05 seconds (32.65 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 14 10 9 -0 

Time limit reached
Best objective 1.400000000000e+01, best bound 3.400000000000e+01, gap 142.8571%

Wrote result file './lp_solutions/grafo7002.38.sol'

