
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 01:36:07 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo1163.19.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/grafo1163.19.lp
Reading time = 0.01 seconds
: 3179 rows, 297 columns, 9591 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 3179 rows, 297 columns and 9591 nonzeros
Model fingerprint: 0x59edadaa
Variable types: 12 continuous, 285 integer (285 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 493 rows and 5 columns
Presolve time: 0.05s
Presolved: 2686 rows, 292 columns, 8166 nonzeros
Variable types: 0 continuous, 292 integer (280 binary)

Root relaxation: objective 1.000000e+01, 145 iterations, 0.04 seconds (0.01 work units)

    Nodes    |    Current Node    |     Objective Bounds      |     Work
 Expl Unexpl |  Obj  Depth IntInf | Incumbent    BestBd   Gap | It/Node Time

     0     0   10.00000    0   57    3.00000   10.00000   233%     -    0s
H    0     0                       4.0000000   10.00000   150%     -    0s
H    0     0                       5.0000000   10.00000   100%     -    0s
     0     0   10.00000    0   47    5.00000   10.00000   100%     -    0s
     0     0   10.00000    0   58    5.00000   10.00000   100%     -    0s
     0     0   10.00000    0   59    5.00000   10.00000   100%     -    0s
     0     0    9.00000    0   61    5.00000    9.00000  80.0%     -    0s
     0     0    9.00000    0   46    5.00000    9.00000  80.0%     -    0s
     0     0    9.00000    0   59    5.00000    9.00000  80.0%     -    0s
     0     0    9.00000    0   58    5.00000    9.00000  80.0%     -    0s
     0     0    9.00000    0   36    5.00000    9.00000  80.0%     -    0s
     0     0    9.00000    0   49    5.00000    9.00000  80.0%     -    1s
     0     0    9.00000    0   53    5.00000    9.00000  80.0%     -    1s
     0     0    9.00000    0   53    5.00000    9.00000  80.0%     -    1s
     0     2    9.00000    0   53    5.00000    9.00000  80.0%     -    1s
H 1259   220                       6.0000000    9.00000  50.0%  34.3    3s

Cutting planes:
  Gomory: 8
  Cover: 10
  Clique: 3
  MIR: 52
  StrongCG: 3
  Inf proof: 74
  Zero half: 12
  RLT: 22
  BQP: 2
  PSD: 1

Explored 1824 nodes (57397 simplex iterations) in 4.73 seconds (1.62 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 6 5 4 3 

Optimal solution found (tolerance 1.00e-04)
Best objective 6.000000000000e+00, best bound 6.000000000000e+00, gap 0.0000%

Wrote result file './lp_solutions/grafo1163.19.sol'

