
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 09:06:07 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5875.37.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/grafo5875.37.lp
Reading time = 0.13 seconds
: 58701 rows, 1692 columns, 177377 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 58701 rows, 1692 columns and 177377 nonzeros
Model fingerprint: 0x9d087387
Variable types: 40 continuous, 1652 integer (1652 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 13602 rows and 37 columns
Presolve time: 0.61s
Presolved: 45099 rows, 1655 columns, 136900 nonzeros
Variable types: 0 continuous, 1655 integer (1615 binary)
Found heuristic solution: objective 8.0000000
Root relaxation presolved: 27449 rows, 19305 columns, 101600 nonzeros


Root relaxation: objective 3.400000e+01, 1980 iterations, 1.21 seconds (0.73 work units)

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

     0     0   34.00000    0  290    8.00000   34.00000   325%     -    4s
H    0     0                       9.0000000   34.00000   278%     -    6s
     0     0   34.00000    0  547    9.00000   34.00000   278%     -   10s
     0     0   34.00000    0  494    9.00000   34.00000   278%     -   12s
     0     0   34.00000    0  426    9.00000   34.00000   278%     -   33s
     0     0   34.00000    0  385    9.00000   34.00000   278%     -   34s
     0     0   34.00000    0  675    9.00000   34.00000   278%     -   50s

Cutting planes:
  Gomory: 2
  Cover: 25
  Clique: 13
  MIR: 110
  GUB cover: 6
  Zero half: 45
  RLT: 48

Explored 1 nodes (40384 simplex iterations) in 50.08 seconds (31.82 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 9 8 1 

Time limit reached
Best objective 9.000000000000e+00, best bound 3.400000000000e+01, gap 277.7778%

Wrote result file './lp_solutions/grafo5875.37.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 08:41:58 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5875.37.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/grafo5875.37.lp
Reading time = 0.10 seconds
: 58701 rows, 1692 columns, 177377 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 58701 rows, 1692 columns and 177377 nonzeros
Model fingerprint: 0x9d087387
Variable types: 40 continuous, 1652 integer (1652 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 13602 rows and 37 columns
Presolve time: 0.42s
Presolved: 45099 rows, 1655 columns, 136900 nonzeros
Variable types: 0 continuous, 1655 integer (1615 binary)
Found heuristic solution: objective 8.0000000
Root relaxation presolved: 27449 rows, 19305 columns, 101600 nonzeros


Root relaxation: objective 3.400000e+01, 1980 iterations, 0.71 seconds (0.73 work units)

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

     0     0   34.00000    0  290    8.00000   34.00000   325%     -    3s
H    0     0                       9.0000000   34.00000   278%     -    4s
     0     0   34.00000    0  547    9.00000   34.00000   278%     -    6s
     0     0   34.00000    0  494    9.00000   34.00000   278%     -    7s
     0     0   34.00000    0  426    9.00000   34.00000   278%     -   24s
     0     0   34.00000    0  385    9.00000   34.00000   278%     -   24s
     0     0   34.00000    0  505    9.00000   34.00000   278%     -   50s

Cutting planes:
  Gomory: 2
  Cover: 25
  Clique: 13
  MIR: 110
  GUB cover: 6
  Zero half: 45
  RLT: 48

Explored 1 nodes (57556 simplex iterations) in 50.05 seconds (48.93 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 9 8 1 

Time limit reached
Best objective 9.000000000000e+00, best bound 3.400000000000e+01, gap 277.7778%

Wrote result file './lp_solutions/grafo5875.37.sol'

