
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 06:59:05 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo592.14.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/grafo592.14.lp
Reading time = 0.01 seconds
: 1542 rows, 157 columns, 4624 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 1542 rows, 157 columns and 4624 nonzeros
Model fingerprint: 0x527f442f
Variable types: 8 continuous, 149 integer (149 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 454 rows and 6 columns
Presolve time: 0.02s
Presolved: 1088 rows, 151 columns, 3316 nonzeros
Variable types: 0 continuous, 151 integer (143 binary)

Root relaxation: objective 6.000000e+00, 99 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    6.00000    0   30   -0.00000    6.00000      -     -    0s
H    0     0                       2.0000000    6.00000   200%     -    0s
H    0     0                       3.0000000    6.00000   100%     -    0s
     0     0    6.00000    0   45    3.00000    6.00000   100%     -    0s
H    0     0                       4.0000000    6.00000  50.0%     -    0s
     0     0    6.00000    0   42    4.00000    6.00000  50.0%     -    0s
     0     0    5.66667    0   41    4.00000    5.66667  41.7%     -    0s
     0     0    5.00000    0   44    4.00000    5.00000  25.0%     -    0s
     0     0    5.00000    0   45    4.00000    5.00000  25.0%     -    0s

Cutting planes:
  Cover: 5
  MIR: 25
  Zero half: 5
  RLT: 11

Explored 1 nodes (601 simplex iterations) in 0.17 seconds (0.07 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 4 3 2 -0 

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/grafo592.14.sol'

