
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 08:48:15 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5277.44.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/grafo5277.44.lp
Reading time = 0.36 seconds
: 224072 rows, 3039 columns, 675094 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 224072 rows, 3039 columns and 675094 nonzeros
Model fingerprint: 0xc560728e
Variable types: 57 continuous, 2982 integer (2982 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 1.0000000
Presolve removed 76773 rows and 36 columns
Presolve time: 1.65s
Presolved: 147299 rows, 3003 columns, 445254 nonzeros
Variable types: 0 continuous, 3003 integer (2946 binary)
Found heuristic solution: objective 11.0000000
Root relaxation presolved: 2997 rows, 150296 columns, 448257 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   17434    8.3396909e+01   0.000000e+00   1.292783e+06      5s
   35554    6.3687464e+01   0.000000e+00   1.491038e+05     10s
   52866    6.3629742e+01   0.000000e+00   4.886121e+04     15s
   69744    6.3605273e+01   0.000000e+00   7.034752e+04     20s
   85740    6.3590047e+01   0.000000e+00   2.781131e+04     25s
  101736    6.3581420e+01   0.000000e+00   9.423152e+03     30s
  117889    6.3576875e+01   0.000000e+00   3.623864e+03     35s
  133933    6.3574686e+01   0.000000e+00   7.927170e+02     40s
  149772    6.4000000e+01   0.000000e+00   0.000000e+00     45s
  149772    6.4000000e+01   0.000000e+00   0.000000e+00     45s
  149772    6.4000000e+01   0.000000e+00   0.000000e+00     45s

Root relaxation: objective 6.400000e+01, 149772 iterations, 43.35 seconds (35.16 work units)

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

     0     0   64.00000    0 1977   11.00000   64.00000   482%     -   50s

Explored 1 nodes (151104 simplex iterations) in 50.06 seconds (42.20 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 11 1 

Time limit reached
Best objective 1.100000000000e+01, best bound 6.400000000000e+01, gap 481.8182%

Wrote result file './lp_solutions/grafo5277.44.sol'

