
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 26 06:01:40 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6445.49.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/grafo6445.49.lp
Reading time = 0.23 seconds
: 122940 rows, 3138 columns, 371623 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 122940 rows, 3138 columns and 371623 nonzeros
Model fingerprint: 0x2c661978
Variable types: 56 continuous, 3082 integer (3082 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 19109 rows and 2 columns
Presolve time: 0.84s
Presolved: 103831 rows, 3136 columns, 314773 nonzeros
Variable types: 0 continuous, 3136 integer (3080 binary)
Root relaxation presolved: 3115 rows, 106946 columns, 317909 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   13019    5.6559724e+01   0.000000e+00   9.818898e+04      5s
   25992    5.6527886e+01   0.000000e+00   3.272765e+04     10s
   38123    5.6517025e+01   0.000000e+00   9.296553e+03     15s
   50663    5.6511804e+01   0.000000e+00   2.960097e+03     20s
   62788    5.6509679e+01   0.000000e+00   2.020987e+03     25s
   75328    5.6509137e+01   0.000000e+00   3.823513e+00     30s
   76030    5.7000000e+01   0.000000e+00   0.000000e+00     30s
   76030    5.7000000e+01   0.000000e+00   0.000000e+00     30s
   76030    5.7000000e+01   0.000000e+00   0.000000e+00     30s

Root relaxation: objective 5.700000e+01, 76030 iterations, 29.27 seconds (18.12 work units)
Total elapsed time = 46.68s (DegenMoves)

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

     0     0   57.00000    0  630          -   57.00000      -     -   49s
H    0     0                       5.0000000   57.00000  1040%     -   50s

Explored 1 nodes (89935 simplex iterations) in 50.17 seconds (35.89 work units)
Thread count was 8 (of 8 available processors)

Solution count 1: 5 

Time limit reached
Best objective 5.000000000000e+00, best bound 5.700000000000e+01, gap 1040.0000%

Wrote result file './lp_solutions/grafo6445.49.sol'

