
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 26 03:52:23 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5992.44.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/grafo5992.44.lp
Reading time = 0.67 seconds
: 352109 rows, 3777 columns, 1060355 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 352109 rows, 3777 columns and 1060355 nonzeros
Model fingerprint: 0x2d70ebcb
Variable types: 65 continuous, 3712 integer (3712 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 -0.0000000
Presolve removed 130025 rows and 2 columns
Presolve time: 2.74s
Presolved: 222084 rows, 3775 columns, 670952 nonzeros
Variable types: 0 continuous, 3775 integer (3710 binary)
Found heuristic solution: objective 17.0000000
Root relaxation presolved: 3744 rows, 225828 columns, 674727 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
    6612    2.1952243e+02   0.000000e+00   2.157632e+06      5s
   20698    1.2960267e+02   0.000000e+00   1.768010e+07     10s
   33542    8.9974565e+01   0.000000e+00   1.105336e+06     16s
   42904    8.7827822e+01   0.000000e+00   3.487257e+05     20s
   53929    7.5770171e+01   0.000000e+00   4.922291e+05     25s
   64292    7.5717479e+01   0.000000e+00   4.653968e+05     30s
   73739    7.5680134e+01   0.000000e+00   4.983614e+05     35s
   83615    7.5645758e+01   0.000000e+00   1.366210e+05     40s
   93455    7.5628715e+01   0.000000e+00   6.502305e+04     45s

Root relaxation: time limit, 101852 iterations, 46.85 seconds (27.53 work units)

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

     0     0          -    0        17.00000  510.00000  2900%     -   50s

Explored 1 nodes (101852 simplex iterations) in 50.04 seconds (30.26 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 17 -0 

Time limit reached
Best objective 1.700000000000e+01, best bound 5.100000000000e+02, gap 2900.0000%

Wrote result file './lp_solutions/grafo5992.44.sol'

