
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 02:18:10 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo772.11.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/grafo772.11.lp
Reading time = 0.00 seconds
: 1184 rows, 169 columns, 3570 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 1184 rows, 169 columns and 3570 nonzeros
Model fingerprint: 0x2b8ba376
Variable types: 12 continuous, 157 integer (157 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 324 rows and 18 columns
Presolve time: 0.01s
Presolved: 860 rows, 151 columns, 2724 nonzeros
Variable types: 0 continuous, 151 integer (139 binary)
Found heuristic solution: objective 1.0000000

Root relaxation: objective 6.000000e+00, 51 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    6.00000    0   44    1.00000    6.00000   500%     -    0s
H    0     0                       2.0000000    6.00000   200%     -    0s
     0     0    6.00000    0   60    2.00000    6.00000   200%     -    0s
H    0     0                       3.0000000    6.00000   100%     -    0s
     0     0    6.00000    0   60    3.00000    6.00000   100%     -    0s
     0     0    6.00000    0   46    3.00000    6.00000   100%     -    0s
     0     0    6.00000    0   32    3.00000    6.00000   100%     -    0s
     0     0    6.00000    0   28    3.00000    6.00000   100%     -    0s
     0     0    6.00000    0   37    3.00000    6.00000   100%     -    0s
     0     0    6.00000    0   47    3.00000    6.00000   100%     -    0s
     0     0    6.00000    0   38    3.00000    6.00000   100%     -    0s
H    0     0                       4.0000000    6.00000  50.0%     -    0s
     0     0    6.00000    0    9    4.00000    6.00000  50.0%     -    0s
     0     0    6.00000    0    8    4.00000    6.00000  50.0%     -    0s
     0     0    6.00000    0   22    4.00000    6.00000  50.0%     -    0s
     0     0    6.00000    0   20    4.00000    6.00000  50.0%     -    0s
     0     0    6.00000    0   22    4.00000    6.00000  50.0%     -    0s
     0     0    6.00000    0   22    4.00000    6.00000  50.0%     -    0s
H    0     0                       5.0000000    6.00000  20.0%     -    0s
     0     2    6.00000    0   22    5.00000    6.00000  20.0%     -    0s
  1172   158 infeasible   27         5.00000    6.00000  20.0%  70.7    5s
  2806    23    6.00000   28   69    5.00000    6.00000  20.0%  75.2   10s

Cutting planes:
  Clique: 2
  MIR: 1
  Flow cover: 6
  Zero half: 1
  RLT: 6

Explored 3064 nodes (229958 simplex iterations) in 10.26 seconds (4.36 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 5 4 3 ... -0

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/grafo772.11.sol'

