
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 26 03:50:41 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5795.44.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/grafo5795.44.lp
Reading time = 0.66 seconds
: 346166 rows, 3277 columns, 1041707 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 346166 rows, 3277 columns and 1041707 nonzeros
Model fingerprint: 0x8aa6d852
Variable types: 58 continuous, 3219 integer (3219 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]
Found heuristic solution: objective 3.0000000
Presolve removed 139785 rows and 3 columns
Presolve time: 2.94s
Presolved: 206381 rows, 3274 columns, 623006 nonzeros
Variable types: 0 continuous, 3274 integer (3216 binary)
Found heuristic solution: objective 17.0000000
Root relaxation presolved: 3255 rows, 209636 columns, 626280 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
    5643    2.0267097e+02   0.000000e+00   2.405966e+06      5s
   23968    1.1529080e+02   0.000000e+00   1.997119e+05     11s
   35220    9.1899810e+01   0.000000e+00   2.828746e+05     15s
   47421    7.6843494e+01   0.000000e+00   1.904597e+05     20s
   59623    7.2800853e+01   0.000000e+00   3.215261e+05     25s
   72109    7.2773339e+01   0.000000e+00   1.832942e+05     30s
   84417    7.2754516e+01   0.000000e+00   2.567053e+04     35s
   95884    7.2742480e+01   0.000000e+00   5.391246e+04     40s
  108174    7.2733915e+01   0.000000e+00   3.270861e+04     45s

Root relaxation: time limit, 119562 iterations, 46.72 seconds (27.78 work units)

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

     0     0          -    0        17.00000  456.00000  2582%     -   50s

Explored 1 nodes (119562 simplex iterations) in 50.05 seconds (30.50 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 17 3 

Time limit reached
Best objective 1.700000000000e+01, best bound 4.560000000000e+02, gap 2582.3529%

Wrote result file './lp_solutions/grafo5795.44.sol'

