
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 16:10:33 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2890.12.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/grafo2890.12.lp
Reading time = 0.00 seconds
: 800 rows, 148 columns, 2430 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 800 rows, 148 columns and 2430 nonzeros
Model fingerprint: 0xcf63bfc2
Variable types: 8 continuous, 140 integer (140 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]
Presolve removed 133 rows and 10 columns
Presolve time: 0.01s
Presolved: 667 rows, 138 columns, 2045 nonzeros
Variable types: 0 continuous, 138 integer (130 binary)

Root relaxation: objective 6.000000e+00, 45 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    8          -    6.00000      -     -    0s
H    0     0                       4.0000000    6.00000  50.0%     -    0s
     0     0    6.00000    0   27    4.00000    6.00000  50.0%     -    0s
     0     0    6.00000    0   12    4.00000    6.00000  50.0%     -    0s
     0     0    6.00000    0   12    4.00000    6.00000  50.0%     -    0s
     0     0    6.00000    0   14    4.00000    6.00000  50.0%     -    0s
     0     0    6.00000    0   11    4.00000    6.00000  50.0%     -    0s
     0     0    6.00000    0   11    4.00000    6.00000  50.0%     -    0s
     0     2    6.00000    0    8    4.00000    6.00000  50.0%     -    0s

Cutting planes:
  Gomory: 4
  Cover: 12
  Clique: 3
  MIR: 22
  Inf proof: 14
  Zero half: 5
  RLT: 8
  BQP: 1

Explored 611 nodes (11539 simplex iterations) in 0.31 seconds (0.21 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/grafo2890.12.sol'

