
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 19 07:05:19 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo7290.38.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/grafo7290.38.lp
Reading time = 0.17 seconds
: 105036 rows, 1903 columns, 316600 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 105036 rows, 1903 columns and 316600 nonzeros
Model fingerprint: 0x34276a3f
Variable types: 41 continuous, 1862 integer (1862 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 5.0000000
Presolve removed 37216 rows and 17 columns
Presolve time: 0.69s
Presolved: 67820 rows, 1886 columns, 205303 nonzeros
Variable types: 0 continuous, 1886 integer (1845 binary)
Found heuristic solution: objective 9.0000000
Root relaxation presolved: 1880 rows, 69700 columns, 207189 nonzeros


Root relaxation: objective 4.000000e+01, 1783 iterations, 0.44 seconds (0.46 work units)
Total elapsed time = 5.30s (DegenMoves)

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

     0     0   40.00000    0  368    9.00000   40.00000   344%     -    5s
H    0     0                      13.0000000   40.00000   208%     -    5s
     0     0   40.00000    0  631   13.00000   40.00000   208%     -   11s
H    0     0                      14.0000000   40.00000   186%     -   11s
     0     0   40.00000    0  599   14.00000   40.00000   186%     -   12s
     0     0   40.00000    0  389   14.00000   40.00000   186%     -   26s
     0     0   40.00000    0  433   14.00000   40.00000   186%     -   27s
     0     0   40.00000    0  405   14.00000   40.00000   186%     -   42s
     0     0   40.00000    0  451   14.00000   40.00000   186%     -   43s
     0     0   40.00000    0  637   14.00000   40.00000   186%     -   50s

Cutting planes:
  Gomory: 2
  Cover: 33
  Clique: 24
  MIR: 100
  GUB cover: 2
  Zero half: 75
  RLT: 63
  BQP: 2

Explored 1 nodes (43324 simplex iterations) in 50.07 seconds (49.04 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 14 13 9 5 

Time limit reached
Best objective 1.400000000000e+01, best bound 4.000000000000e+01, gap 185.7143%

Wrote result file './lp_solutions/grafo7290.38.sol'

