
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 06:40:29 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6516.35.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/grafo6516.35.lp
Reading time = 0.08 seconds
: 47179 rows, 1722 columns, 142924 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 47179 rows, 1722 columns and 142924 nonzeros
Model fingerprint: 0x8e69f2b8
Variable types: 42 continuous, 1680 integer (1680 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 -0.0000000
Presolve removed 6919 rows and 42 columns
Presolve time: 0.31s
Presolved: 40260 rows, 1680 columns, 122652 nonzeros
Variable types: 0 continuous, 1680 integer (1638 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 22235 rows, 19705 columns, 86602 nonzeros


Root relaxation: objective 3.700000e+01, 1878 iterations, 0.63 seconds (0.51 work units)

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

     0     0   37.00000    0  422    5.00000   37.00000   640%     -    2s
H    0     0                       7.0000000   37.00000   429%     -    2s
H    0     0                       8.0000000   37.00000   362%     -    3s
     0     0   37.00000    0  620    8.00000   37.00000   362%     -    7s
H    0     0                      10.0000000   37.00000   270%     -    7s
     0     0   37.00000    0  623   10.00000   37.00000   270%     -    7s
     0     0   37.00000    0  486   10.00000   37.00000   270%     -   22s
     0     0   37.00000    0  461   10.00000   37.00000   270%     -   23s
     0     0   37.00000    0  434   10.00000   37.00000   270%     -   43s
     0     0   37.00000    0  438   10.00000   37.00000   270%     -   44s
     0     0   37.00000    0  659   10.00000   37.00000   270%     -   50s

Cutting planes:
  Cover: 17
  MIR: 143
  StrongCG: 2
  GUB cover: 10
  Zero half: 65
  RLT: 40

Explored 1 nodes (60902 simplex iterations) in 50.06 seconds (46.75 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 10 8 7 ... -0

Time limit reached
Best objective 1.000000000000e+01, best bound 3.700000000000e+01, gap 270.0000%

Wrote result file './lp_solutions/grafo6516.35.sol'

