
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 03:00:30 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11438.37.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/grafo11438.37.lp
Reading time = 0.13 seconds
: 52366 rows, 1793 columns, 158554 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 52366 rows, 1793 columns and 158554 nonzeros
Model fingerprint: 0xc87fe8e8
Variable types: 42 continuous, 1751 integer (1751 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 3.0000000
Presolve removed 8325 rows and 25 columns
Presolve time: 0.55s
Presolved: 44041 rows, 1768 columns, 133938 nonzeros
Variable types: 0 continuous, 1768 integer (1726 binary)
Found heuristic solution: objective 9.0000000
Root relaxation presolved: 24791 rows, 21018 columns, 95438 nonzeros


Root relaxation: objective 3.900000e+01, 1844 iterations, 0.83 seconds (0.50 work units)

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

     0     0   39.00000    0  287    9.00000   39.00000   333%     -    3s
H    0     0                      12.0000000   39.00000   225%     -    3s
     0     0   39.00000    0  548   12.00000   39.00000   225%     -    8s
     0     0   39.00000    0  540   12.00000   39.00000   225%     -    9s
H    0     0                      13.0000000   39.00000   200%     -   38s
     0     0   39.00000    0  373   13.00000   39.00000   200%     -   38s
     0     0   39.00000    0  357   13.00000   39.00000   200%     -   39s
     0     0   39.00000    0  532   13.00000   39.00000   200%     -   50s

Cutting planes:
  Cover: 40
  Clique: 5
  MIR: 152
  StrongCG: 3
  GUB cover: 7
  Zero half: 58
  RLT: 54

Explored 1 nodes (44071 simplex iterations) in 50.05 seconds (32.64 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 13 12 9 3 

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

Wrote result file './lp_solutions/grafo11438.37.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 08:10:08 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11438.37.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/grafo11438.37.lp
Reading time = 0.09 seconds
: 52366 rows, 1793 columns, 158554 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 52366 rows, 1793 columns and 158554 nonzeros
Model fingerprint: 0xc87fe8e8
Variable types: 42 continuous, 1751 integer (1751 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 3.0000000
Presolve removed 8325 rows and 25 columns
Presolve time: 0.36s
Presolved: 44041 rows, 1768 columns, 133938 nonzeros
Variable types: 0 continuous, 1768 integer (1726 binary)
Found heuristic solution: objective 9.0000000
Root relaxation presolved: 24791 rows, 21018 columns, 95438 nonzeros


Root relaxation: objective 3.900000e+01, 1844 iterations, 0.54 seconds (0.50 work units)

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

     0     0   39.00000    0  287    9.00000   39.00000   333%     -    2s
H    0     0                      12.0000000   39.00000   225%     -    2s
     0     0   39.00000    0  548   12.00000   39.00000   225%     -    5s
     0     0   39.00000    0  540   12.00000   39.00000   225%     -    5s
H    0     0                      13.0000000   39.00000   200%     -   27s
     0     0   39.00000    0  373   13.00000   39.00000   200%     -   27s
     0     0   39.00000    0  357   13.00000   39.00000   200%     -   28s
     0     0   39.00000    0  532   13.00000   39.00000   200%     -   39s
     0     0   39.00000    0  526   13.00000   39.00000   200%     -   39s
     0     0   39.00000    0  482   13.00000   39.00000   200%     -   50s

Cutting planes:
  Lift-and-project: 1
  Cover: 13
  Clique: 5
  MIR: 106
  GUB cover: 3
  Zero half: 66
  RLT: 46

Explored 1 nodes (61837 simplex iterations) in 50.05 seconds (46.18 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 13 12 9 3 

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

Wrote result file './lp_solutions/grafo11438.37.sol'

