
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 05:11:21 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo7338.41.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/grafo7338.41.lp
Reading time = 0.10 seconds
: 63492 rows, 1975 columns, 191931 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 63492 rows, 1975 columns and 191931 nonzeros
Model fingerprint: 0x339f38f1
Variable types: 42 continuous, 1933 integer (1933 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 11399 rows and 28 columns
Presolve time: 0.41s
Presolved: 52093 rows, 1947 columns, 158160 nonzeros
Variable types: 0 continuous, 1947 integer (1905 binary)
Root relaxation presolved: 1944 rows, 54037 columns, 160107 nonzeros


Root relaxation: objective 4.100000e+01, 1907 iterations, 0.35 seconds (0.34 work units)
Total elapsed time = 5.23s (DegenMoves)

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

     0     0   41.00000    0  401          -   41.00000      -     -    5s
H    0     0                       6.0000000   41.00000   583%     -    5s
H    0     0                       8.0000000   41.00000   413%     -    5s
H    0     0                       9.0000000   41.00000   356%     -    5s
     0     0   41.00000    0  703    9.00000   41.00000   356%     -   11s
H    0     0                      10.0000000   41.00000   310%     -   12s
     0     0   41.00000    0  680   10.00000   41.00000   310%     -   12s
H    0     0                      11.0000000   41.00000   273%     -   37s
H    0     0                      14.0000000   41.00000   193%     -   37s
     0     0   41.00000    0  539   14.00000   41.00000   193%     -   39s
     0     0   41.00000    0  532   14.00000   41.00000   193%     -   41s
     0     0   41.00000    0  687   14.00000   41.00000   193%     -   50s

Cutting planes:
  Gomory: 2
  Cover: 27
  Clique: 3
  MIR: 175
  StrongCG: 2
  GUB cover: 2
  Zero half: 83
  RLT: 63

Explored 1 nodes (50163 simplex iterations) in 50.05 seconds (47.66 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 14 11 10 ... 6

Time limit reached
Best objective 1.400000000000e+01, best bound 4.100000000000e+01, gap 192.8571%

Wrote result file './lp_solutions/grafo7338.41.sol'

