
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 01:44:26 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo238.10.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/grafo238.10.lp
Reading time = 0.00 seconds
: 881 rows, 141 columns, 2656 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 881 rows, 141 columns and 2656 nonzeros
Model fingerprint: 0x65787d56
Variable types: 11 continuous, 130 integer (130 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 235 rows and 15 columns
Presolve time: 0.02s
Presolved: 646 rows, 126 columns, 2050 nonzeros
Variable types: 0 continuous, 126 integer (115 binary)
Found heuristic solution: objective 4.0000000

Root relaxation: objective 5.000000e+00, 80 iterations, 0.01 seconds (0.00 work units)

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

     0     0    5.00000    0   32    4.00000    5.00000  25.0%     -    0s
     0     0    5.00000    0   30    4.00000    5.00000  25.0%     -    0s
     0     0    5.00000    0   35    4.00000    5.00000  25.0%     -    0s
     0     0    5.00000    0    6    4.00000    5.00000  25.0%     -    0s
     0     0    5.00000    0   14    4.00000    5.00000  25.0%     -    0s
     0     0    5.00000    0   25    4.00000    5.00000  25.0%     -    0s
     0     0    5.00000    0    3    4.00000    5.00000  25.0%     -    0s
     0     0    5.00000    0   42    4.00000    5.00000  25.0%     -    0s
     0     0    5.00000    0   24    4.00000    5.00000  25.0%     -    0s
     0     0    5.00000    0   22    4.00000    5.00000  25.0%     -    0s
     0     0    5.00000    0   18    4.00000    5.00000  25.0%     -    0s
     0     0    5.00000    0   22    4.00000    5.00000  25.0%     -    0s
     0     0    5.00000    0    9    4.00000    5.00000  25.0%     -    0s
     0     0    5.00000    0    9    4.00000    5.00000  25.0%     -    0s
     0     2    5.00000    0    9    4.00000    5.00000  25.0%     -    0s
  1364   401    5.00000   22   21    4.00000    5.00000  25.0%  39.1    5s

Cutting planes:
  Cover: 1
  MIR: 1
  Flow cover: 7
  Zero half: 2
  RLT: 3

Explored 4268 nodes (177119 simplex iterations) in 9.45 seconds (1.89 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 4 1 

Optimal solution found (tolerance 1.00e-04)
Best objective 4.000000000000e+00, best bound 4.000000000000e+00, gap 0.0000%

Wrote result file './lp_solutions/grafo238.10.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 02:00:58 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo238.10.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/grafo238.10.lp
Reading time = 0.00 seconds
: 881 rows, 141 columns, 2656 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 881 rows, 141 columns and 2656 nonzeros
Model fingerprint: 0x65787d56
Variable types: 11 continuous, 130 integer (130 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 235 rows and 15 columns
Presolve time: 0.01s
Presolved: 646 rows, 126 columns, 2050 nonzeros
Variable types: 0 continuous, 126 integer (115 binary)
Found heuristic solution: objective 4.0000000

Root relaxation: objective 5.000000e+00, 80 iterations, 0.00 seconds (0.00 work units)

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

     0     0    5.00000    0   32    4.00000    5.00000  25.0%     -    0s
     0     0    5.00000    0   30    4.00000    5.00000  25.0%     -    0s
     0     0    5.00000    0   35    4.00000    5.00000  25.0%     -    0s
     0     0    5.00000    0    6    4.00000    5.00000  25.0%     -    0s
     0     0    5.00000    0   14    4.00000    5.00000  25.0%     -    0s
     0     0    5.00000    0   25    4.00000    5.00000  25.0%     -    0s
     0     0    5.00000    0    3    4.00000    5.00000  25.0%     -    0s
     0     0    5.00000    0   42    4.00000    5.00000  25.0%     -    0s
     0     0    5.00000    0   24    4.00000    5.00000  25.0%     -    0s
     0     0    5.00000    0   22    4.00000    5.00000  25.0%     -    0s
     0     0    5.00000    0   18    4.00000    5.00000  25.0%     -    0s
     0     0    5.00000    0   22    4.00000    5.00000  25.0%     -    0s
     0     0    5.00000    0    9    4.00000    5.00000  25.0%     -    0s
     0     0    5.00000    0    9    4.00000    5.00000  25.0%     -    0s
     0     2    5.00000    0    9    4.00000    5.00000  25.0%     -    0s
  3309   176    5.00000   29   92    4.00000    5.00000  25.0%  40.5    5s

Cutting planes:
  Cover: 1
  MIR: 1
  Flow cover: 7
  Zero half: 2
  RLT: 3

Explored 4268 nodes (177119 simplex iterations) in 5.78 seconds (1.89 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 4 1 

Optimal solution found (tolerance 1.00e-04)
Best objective 4.000000000000e+00, best bound 4.000000000000e+00, gap 0.0000%

Wrote result file './lp_solutions/grafo238.10.sol'

