
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 26 00:44:59 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6382.40.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/grafo6382.40.lp
Reading time = 0.51 seconds
: 267766 rows, 2115 columns, 805004 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 267766 rows, 2115 columns and 805004 nonzeros
Model fingerprint: 0x123a67cc
Variable types: 43 continuous, 2072 integer (2072 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 119329 rows and 27 columns
Presolve time: 2.80s
Presolved: 148437 rows, 2088 columns, 447275 nonzeros
Variable types: 0 continuous, 2088 integer (2045 binary)
Root relaxation presolved: 2085 rows, 150522 columns, 449363 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   11045    8.9812918e+01   0.000000e+00   2.246290e+05      5s
   34499    4.5932742e+01   0.000000e+00   2.174926e+05     10s
   55856    4.3847014e+01   0.000000e+00   1.502410e+04     15s
   79713    4.3826937e+01   0.000000e+00   6.002073e+04     20s
  102785    4.3823076e+01   0.000000e+00   4.736695e+01     25s
  103898    4.4000000e+01   0.000000e+00   0.000000e+00     25s
  103898    4.4000000e+01   0.000000e+00   0.000000e+00     25s
  103898    4.4000000e+01   0.000000e+00   0.000000e+00     26s

Root relaxation: objective 4.400000e+01, 103898 iterations, 22.22 seconds (13.26 work units)
Total elapsed time = 45.48s (DegenMoves)

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

     0     0   44.00000    0  644          -   44.00000      -     -   50s
H    0     0                       5.0000000   44.00000   780%     -   50s

Explored 1 nodes (114898 simplex iterations) in 50.10 seconds (41.61 work units)
Thread count was 8 (of 8 available processors)

Solution count 1: 5 

Time limit reached
Best objective 5.000000000000e+00, best bound 4.400000000000e+01, gap 780.0000%

Wrote result file './lp_solutions/grafo6382.40.sol'

