
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 26 05:19:26 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6664.47.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/grafo6664.47.lp
Reading time = 0.38 seconds
: 206350 rows, 3017 columns, 621681 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 206350 rows, 3017 columns and 621681 nonzeros
Model fingerprint: 0x8496411d
Variable types: 53 continuous, 2964 integer (2964 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 70246 rows and 10 columns
Presolve time: 1.64s
Presolved: 136104 rows, 3007 columns, 411411 nonzeros
Variable types: 0 continuous, 3007 integer (2954 binary)
Root relaxation presolved: 2996 rows, 139100 columns, 414418 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   12759    9.9977471e+01   0.000000e+00   4.615253e+05      5s
   26754    6.3706512e+01   0.000000e+00   8.339333e+04     10s
   40663    6.1671594e+01   0.000000e+00   1.930229e+04     15s
   53983    6.1659331e+01   0.000000e+00   2.793851e+04     20s
   67316    6.1654162e+01   0.000000e+00   1.946955e+03     25s
   81199    6.1652166e+01   0.000000e+00   1.273384e+03     30s
   92978    6.2000000e+01   0.000000e+00   0.000000e+00     34s
   92978    6.2000000e+01   0.000000e+00   0.000000e+00     35s
   92978    6.2000000e+01   0.000000e+00   0.000000e+00     35s

Root relaxation: objective 6.200000e+01, 92978 iterations, 32.54 seconds (20.91 work units)

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

     0     0   62.00000    0 1743          -   62.00000      -     -   50s
H    0     0                       3.0000000   62.00000  1967%     -   50s

Explored 1 nodes (98970 simplex iterations) in 50.06 seconds (35.97 work units)
Thread count was 8 (of 8 available processors)

Solution count 1: 3 

Time limit reached
Best objective 3.000000000000e+00, best bound 6.200000000000e+01, gap 1966.6667%

Wrote result file './lp_solutions/grafo6664.47.sol'

