
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 26 01:08:36 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3527.41.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/grafo3527.41.lp
Reading time = 0.48 seconds
: 227832 rows, 2474 columns, 685753 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 227832 rows, 2474 columns and 685753 nonzeros
Model fingerprint: 0x9ffbf87c
Variable types: 49 continuous, 2425 integer (2425 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 92875 rows and 24 columns
Presolve time: 2.14s
Presolved: 134957 rows, 2450 columns, 407534 nonzeros
Variable types: 0 continuous, 2450 integer (2401 binary)
Root relaxation presolved: 2447 rows, 137404 columns, 409984 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   11605    6.4853101e+01   0.000000e+00   5.613231e+05      5s
   29758    4.8927246e+01   0.000000e+00   9.741406e+04     10s
   45056    4.8912404e+01   0.000000e+00   3.260290e+04     15s
   61646    4.8905516e+01   0.000000e+00   1.133451e+03     20s
   78760    4.8903299e+01   0.000000e+00   5.509065e+02     25s
   84567    4.9000000e+01   0.000000e+00   0.000000e+00     27s
   84567    4.9000000e+01   0.000000e+00   0.000000e+00     27s
   84567    4.9000000e+01   0.000000e+00   0.000000e+00     27s

Root relaxation: objective 4.900000e+01, 84567 iterations, 24.10 seconds (16.22 work units)
Total elapsed time = 49.32s (DegenMoves)

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

     0     0   49.00000    0  742          -   49.00000      -     -   50s
H    0     0                       6.0000000   49.00000   717%     -   50s

Explored 1 nodes (96624 simplex iterations) in 50.09 seconds (38.57 work units)
Thread count was 8 (of 8 available processors)

Solution count 1: 6 

Time limit reached
Best objective 6.000000000000e+00, best bound 4.900000000000e+01, gap 716.6667%

Wrote result file './lp_solutions/grafo3527.41.sol'

