
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 06:06:39 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo7073.43.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/grafo7073.43.lp
Reading time = 0.10 seconds
: 60196 rows, 1982 columns, 181943 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 60196 rows, 1982 columns and 181943 nonzeros
Model fingerprint: 0x69dc644c
Variable types: 41 continuous, 1941 integer (1941 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 8522 rows and 31 columns
Presolve time: 0.39s
Presolved: 51674 rows, 1951 columns, 156772 nonzeros
Variable types: 0 continuous, 1951 integer (1910 binary)
Root relaxation presolved: 28673 rows, 24952 columns, 110770 nonzeros


Root relaxation: objective 3.700000e+01, 1954 iterations, 0.61 seconds (0.55 work units)

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

     0     0   37.00000    0  338          -   37.00000      -     -    2s
H    0     0                       9.0000000   37.00000   311%     -    2s
H    0     0                      10.0000000   37.00000   270%     -    2s
H    0     0                      11.0000000   37.00000   236%     -    2s
     0     0   37.00000    0  654   11.00000   37.00000   236%     -    7s
     0     0   37.00000    0  657   11.00000   37.00000   236%     -    7s
H    0     0                      12.0000000   37.00000   208%     -   27s
H    0     0                      13.0000000   37.00000   185%     -   27s
     0     0   37.00000    0  569   13.00000   37.00000   185%     -   28s
     0     0   37.00000    0  492   13.00000   37.00000   185%     -   29s
H    0     0                      14.0000000   37.00000   164%     -   35s
     0     0   37.00000    0  414   14.00000   37.00000   164%     -   35s
     0     0   37.00000    0  398   14.00000   37.00000   164%     -   35s
     0     0   37.00000    0  374   14.00000   37.00000   164%     -   45s
     0     0   37.00000    0  314   14.00000   37.00000   164%     -   46s
     0     0   37.00000    0  420   14.00000   37.00000   164%     -   50s

Cutting planes:
  Cover: 23
  Clique: 1
  MIR: 166
  StrongCG: 2
  GUB cover: 1
  Zero half: 42
  RLT: 47

Explored 1 nodes (63859 simplex iterations) in 50.05 seconds (47.44 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 14 13 12 ... 9

Time limit reached
Best objective 1.400000000000e+01, best bound 3.700000000000e+01, gap 164.2857%

Wrote result file './lp_solutions/grafo7073.43.sol'

