
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 03:22:32 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo7362.38.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/grafo7362.38.lp
Reading time = 0.10 seconds
: 63284 rows, 1578 columns, 190898 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 63284 rows, 1578 columns and 190898 nonzeros
Model fingerprint: 0xcfb5b4e5
Variable types: 35 continuous, 1543 integer (1543 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 19660 rows and 18 columns
Presolve time: 0.40s
Presolved: 43624 rows, 1560 columns, 132165 nonzeros
Variable types: 0 continuous, 1560 integer (1525 binary)
Root relaxation presolved: 28643 rows, 16541 columns, 102203 nonzeros


Root relaxation: objective 3.400000e+01, 913 iterations, 0.34 seconds (0.32 work units)

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

     0     0   34.00000    0  199          -   34.00000      -     -    2s
H    0     0                      11.0000000   34.00000   209%     -    2s
     0     0   34.00000    0  448   11.00000   34.00000   209%     -    5s
H    0     0                      12.0000000   34.00000   183%     -    5s
     0     0   34.00000    0  445   12.00000   34.00000   183%     -    5s
     0     0   34.00000    0  431   12.00000   34.00000   183%     -   21s
     0     0   34.00000    0  420   12.00000   34.00000   183%     -   21s
     0     0   34.00000    0  369   12.00000   34.00000   183%     -   32s
H    0     0                      13.0000000   34.00000   162%     -   32s
H    0     0                      14.0000000   34.00000   143%     -   32s
     0     0   34.00000    0  335   14.00000   34.00000   143%     -   32s
     0     0   34.00000    0  326   14.00000   34.00000   143%     -   38s
H    0     0                      15.0000000   34.00000   127%     -   39s
     0     0   34.00000    0  315   15.00000   34.00000   127%     -   39s
     0     0   34.00000    0  404   15.00000   34.00000   127%     -   44s
     0     0   34.00000    0  435   15.00000   34.00000   127%     -   45s
     0     0   34.00000    0  485   15.00000   34.00000   127%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 23
  Clique: 29
  MIR: 187
  StrongCG: 1
  Inf proof: 5
  Zero half: 33
  RLT: 47
  BQP: 3

Explored 1 nodes (62158 simplex iterations) in 50.07 seconds (49.19 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 15 14 13 ... 11

Time limit reached
Best objective 1.500000000000e+01, best bound 3.400000000000e+01, gap 126.6667%

Wrote result file './lp_solutions/grafo7362.38.sol'

