
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 26 02:11:53 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5178.42.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/grafo5178.42.lp
Reading time = 0.52 seconds
: 226717 rows, 2631 columns, 682575 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 226717 rows, 2631 columns and 682575 nonzeros
Model fingerprint: 0xb838737a
Variable types: 51 continuous, 2580 integer (2580 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 86911 rows and 11 columns
Presolve time: 1.93s
Presolved: 139806 rows, 2620 columns, 422300 nonzeros
Variable types: 0 continuous, 2620 integer (2569 binary)
Found heuristic solution: objective 11.0000000
Root relaxation presolved: 2609 rows, 142415 columns, 424920 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   12433    7.4902368e+01   0.000000e+00   2.284121e+05      5s
   28066    5.2643040e+01   0.000000e+00   5.335475e+05     10s
   42801    5.2604738e+01   0.000000e+00   1.544461e+04     15s
   58827    5.2588855e+01   0.000000e+00   3.591664e+04     20s
   74818    5.2578880e+01   0.000000e+00   6.547896e+03     25s
   89962    5.2573565e+01   0.000000e+00   3.642384e+03     30s
  106243    5.2570027e+01   0.000000e+00   1.491042e+03     35s
  121596    5.2568479e+01   0.000000e+00   1.331529e+03     40s
  134955    5.3000000e+01   0.000000e+00   0.000000e+00     44s
  134955    5.3000000e+01   0.000000e+00   0.000000e+00     44s
  134955    5.3000000e+01   0.000000e+00   0.000000e+00     45s

Root relaxation: objective 5.300000e+01, 134955 iterations, 42.17 seconds (27.46 work units)

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

     0     0   53.00000    0 1689   11.00000   53.00000   382%     -   50s

Explored 1 nodes (136244 simplex iterations) in 50.06 seconds (34.11 work units)
Thread count was 8 (of 8 available processors)

Solution count 1: 11 

Time limit reached
Best objective 1.100000000000e+01, best bound 5.300000000000e+01, gap 381.8182%

Wrote result file './lp_solutions/grafo5178.42.sol'

