
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 09:46:11 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6364.45.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/grafo6364.45.lp
Reading time = 0.20 seconds
: 126475 rows, 2599 columns, 381598 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 126475 rows, 2599 columns and 381598 nonzeros
Model fingerprint: 0x7682d0d5
Variable types: 49 continuous, 2550 integer (2550 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 34395 rows and 23 columns
Presolve time: 0.87s
Presolved: 92080 rows, 2576 columns, 278926 nonzeros
Variable types: 0 continuous, 2576 integer (2527 binary)
Root relaxation presolved: 2570 rows, 94650 columns, 281502 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   22430    4.8955920e+01   0.000000e+00   7.102517e+04      5s
   44230    4.8934086e+01   0.000000e+00   1.576746e+04     10s
   64959    4.8926969e+01   0.000000e+00   1.954101e+04     15s
   86421    4.8923759e+01   0.000000e+00   3.831403e+02     20s
   99606    4.9000000e+01   0.000000e+00   0.000000e+00     23s
   99606    4.9000000e+01   0.000000e+00   0.000000e+00     23s
   99606    4.9000000e+01   0.000000e+00   0.000000e+00     23s

Root relaxation: objective 4.900000e+01, 99606 iterations, 22.03 seconds (18.00 work units)
Total elapsed time = 41.76s (DegenMoves)

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

     0     0   49.00000    0  730          -   49.00000      -     -   50s
H    0     0                       5.0000000   49.00000   880%     -   50s

Explored 1 nodes (121530 simplex iterations) in 50.04 seconds (51.81 work units)
Thread count was 8 (of 8 available processors)

Solution count 1: 5 

Time limit reached
Best objective 5.000000000000e+00, best bound 4.900000000000e+01, gap 880.0000%

Wrote result file './lp_solutions/grafo6364.45.sol'

