
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 07:58:13 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo856.11.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/grafo856.11.lp
Reading time = 0.01 seconds
: 2094 rows, 152 columns, 6313 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 2094 rows, 152 columns and 6313 nonzeros
Model fingerprint: 0x1f577cb0
Variable types: 10 continuous, 142 integer (142 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 885 rows and 1 columns
Presolve time: 0.02s
Presolved: 1209 rows, 151 columns, 3649 nonzeros
Variable types: 0 continuous, 151 integer (141 binary)

Root relaxation: objective 9.000000e+00, 85 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    9.00000    0   51    3.00000    9.00000   200%     -    0s
H    0     0                       4.0000000    9.00000   125%     -    0s
H    0     0                       5.0000000    9.00000  80.0%     -    0s
     0     0    9.00000    0   72    5.00000    9.00000  80.0%     -    0s
     0     0    9.00000    0   70    5.00000    9.00000  80.0%     -    0s
     0     0    7.50000    0   46    5.00000    7.50000  50.0%     -    0s
     0     0    7.00000    0   44    5.00000    7.00000  40.0%     -    0s
     0     0    6.50000    0   50    5.00000    6.50000  30.0%     -    0s
     0     0    6.00000    0   45    5.00000    6.00000  20.0%     -    0s
     0     0    6.00000    0   42    5.00000    6.00000  20.0%     -    0s
     0     0    6.00000    0   40    5.00000    6.00000  20.0%     -    0s
     0     0    6.00000    0   46    5.00000    6.00000  20.0%     -    0s
     0     0    6.00000    0   44    5.00000    6.00000  20.0%     -    0s
     0     0    6.00000    0   41    5.00000    6.00000  20.0%     -    0s
     0     0    5.00000    0   42    5.00000    5.00000  0.00%     -    0s

Cutting planes:
  Clique: 6
  MIR: 2
  Inf proof: 1
  RLT: 4
  BQP: 1

Explored 1 nodes (1834 simplex iterations) in 0.46 seconds (0.17 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 5 4 3 

Optimal solution found (tolerance 1.00e-04)
Best objective 5.000000000000e+00, best bound 5.000000000000e+00, gap 0.0000%

Wrote result file './lp_solutions/grafo856.11.sol'

