
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 18:20:11 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo358.30.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/grafo358.30.lp
Reading time = 0.12 seconds
: 69837 rows, 1408 columns, 210697 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 69837 rows, 1408 columns and 210697 nonzeros
Model fingerprint: 0xd59a2358
Variable types: 37 continuous, 1371 integer (1371 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 25665 rows and 18 columns
Presolve time: 0.50s
Presolved: 44172 rows, 1390 columns, 133975 nonzeros
Variable types: 0 continuous, 1390 integer (1353 binary)
Found heuristic solution: objective 4.0000000
Root relaxation presolved: 1390 rows, 45562 columns, 135365 nonzeros


Root relaxation: objective 3.600000e+01, 2486 iterations, 0.60 seconds (0.68 work units)

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

     0     0   36.00000    0  335    4.00000   36.00000   800%     -    3s
H    0     0                       8.0000000   36.00000   350%     -    4s
     0     0   36.00000    0  537    8.00000   36.00000   350%     -    8s
H    0     0                       9.0000000   36.00000   300%     -    8s
     0     0   36.00000    0  525    9.00000   36.00000   300%     -    8s
H    0     0                      10.0000000   36.00000   260%     -   18s
H    0     0                      11.0000000   36.00000   227%     -   18s
     0     0   36.00000    0  363   11.00000   36.00000   227%     -   18s
     0     0   36.00000    0  358   11.00000   36.00000   227%     -   18s
     0     0   36.00000    0  432   11.00000   36.00000   227%     -   26s
     0     0   36.00000    0  426   11.00000   36.00000   227%     -   26s
H    0     0                      12.0000000   36.00000   200%     -   34s
     0     0   36.00000    0  309   12.00000   36.00000   200%     -   34s
     0     0   36.00000    0  391   12.00000   36.00000   200%     -   35s
H    0     0                      14.0000000   36.00000   157%     -   46s
H    0     0                      15.0000000   36.00000   140%     -   46s
H    0     0                      16.0000000   36.00000   125%     -   46s
     0     0   36.00000    0  334   16.00000   36.00000   125%     -   46s
     0     0   36.00000    0  342   16.00000   36.00000   125%     -   47s
     0     0   36.00000    0  418   16.00000   36.00000   125%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 19
  Clique: 10
  MIR: 114
  StrongCG: 2
  Zero half: 68
  RLT: 60

Explored 1 nodes (52096 simplex iterations) in 50.04 seconds (45.12 work units)
Thread count was 8 (of 8 available processors)

Solution count 9: 16 15 14 ... 4

Time limit reached
Best objective 1.600000000000e+01, best bound 3.600000000000e+01, gap 125.0000%

Wrote result file './lp_solutions/grafo358.30.sol'

