
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 11:12:46 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5357.48.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/grafo5357.48.lp
Reading time = 0.30 seconds
: 175766 rows, 3194 columns, 530238 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 175766 rows, 3194 columns and 530238 nonzeros
Model fingerprint: 0x9cdd1bc9
Variable types: 58 continuous, 3136 integer (3136 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, 6e+01]
Presolve removed 44573 rows and 0 columns
Presolve time: 1.23s
Presolved: 131193 rows, 3194 columns, 396820 nonzeros
Variable types: 0 continuous, 3194 integer (3136 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 3155 rows, 134348 columns, 400014 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   14693    7.1909074e+01   0.000000e+00   2.302601e+05      5s
   29941    6.1814053e+01   0.000000e+00   1.336206e+05     10s
   45039    5.9731733e+01   0.000000e+00   3.160648e+04     15s
   58871    5.9701853e+01   0.000000e+00   3.042961e+04     20s
   72703    5.9687963e+01   0.000000e+00   2.541432e+04     25s
   81747    5.9682528e+01   0.000000e+00   8.951182e+03     30s
   92919    5.9678448e+01   0.000000e+00   2.961828e+03     35s
  105687    5.9676339e+01   0.000000e+00   9.907302e+02     40s
  113564    6.0000000e+01   0.000000e+00   0.000000e+00     43s
  113564    6.0000000e+01   0.000000e+00   0.000000e+00     43s
  113564    6.0000000e+01   0.000000e+00   0.000000e+00     43s

Root relaxation: objective 6.000000e+01, 113564 iterations, 41.72 seconds (26.54 work units)

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

     0     0   60.00000    0 1902    6.00000   60.00000   900%     -   50s

Explored 1 nodes (115504 simplex iterations) in 50.05 seconds (34.66 work units)
Thread count was 8 (of 8 available processors)

Solution count 1: 6 

Time limit reached
Best objective 6.000000000000e+00, best bound 6.000000000000e+01, gap 900.0000%

Wrote result file './lp_solutions/grafo5357.48.sol'

