
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 07:47:47 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo746.13.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/grafo746.13.lp
Reading time = 0.01 seconds
: 880 rows, 150 columns, 2662 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 880 rows, 150 columns and 2662 nonzeros
Model fingerprint: 0xfd9f25e7
Variable types: 8 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 4.0000000
Presolve removed 84 rows and 2 columns
Presolve time: 0.01s
Presolved: 796 rows, 148 columns, 2434 nonzeros
Variable types: 0 continuous, 148 integer (140 binary)

Root relaxation: objective 8.000000e+00, 49 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    8.00000    0   12    4.00000    8.00000   100%     -    0s
     0     0    8.00000    0   22    4.00000    8.00000   100%     -    0s
     0     0    8.00000    0   15    4.00000    8.00000   100%     -    0s
     0     0    8.00000    0   13    4.00000    8.00000   100%     -    0s
     0     0    8.00000    0   12    4.00000    8.00000   100%     -    0s
     0     0    8.00000    0   19    4.00000    8.00000   100%     -    0s
     0     0    8.00000    0   15    4.00000    8.00000   100%     -    0s
     0     0    8.00000    0   21    4.00000    8.00000   100%     -    0s
     0     0    8.00000    0   19    4.00000    8.00000   100%     -    0s
     0     0    8.00000    0   19    4.00000    8.00000   100%     -    0s
     0     0    8.00000    0   12    4.00000    8.00000   100%     -    0s
     0     0    8.00000    0   12    4.00000    8.00000   100%     -    0s
     0     2    8.00000    0   12    4.00000    8.00000   100%     -    0s

Cutting planes:
  Gomory: 2
  Cover: 26
  MIR: 7
  StrongCG: 2
  Inf proof: 46
  Zero half: 5
  Mod-K: 4
  RLT: 1

Explored 1513 nodes (26184 simplex iterations) in 1.00 seconds (0.40 work units)
Thread count was 8 (of 8 available processors)

Solution count 1: 4 

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/grafo746.13.sol'

