
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 06:57:48 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6347.46.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/grafo6347.46.lp
Reading time = 0.30 seconds
: 187337 rows, 3360 columns, 565286 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 187337 rows, 3360 columns and 565286 nonzeros
Model fingerprint: 0xbc40a361
Variable types: 61 continuous, 3299 integer (3299 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 48986 rows and 0 columns
Presolve time: 1.15s
Presolved: 138351 rows, 3360 columns, 418810 nonzeros
Variable types: 0 continuous, 3360 integer (3299 binary)
Found heuristic solution: objective 10.0000000
Root relaxation presolved: 3324 rows, 141675 columns, 422170 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   16365    7.9780317e+01   0.000000e+00   5.617784e+05      5s
   32835    7.2657395e+01   0.000000e+00   5.763192e+04     10s
   49215    7.2619751e+01   0.000000e+00   4.454320e+04     15s
   64503    7.2605167e+01   0.000000e+00   5.042357e+04     20s
   79245    7.2600006e+01   0.000000e+00   1.633457e+03     25s
   87285    7.3000000e+01   0.000000e+00   0.000000e+00     28s
   87285    7.3000000e+01   0.000000e+00   0.000000e+00     28s
   87285    7.3000000e+01   0.000000e+00   0.000000e+00     28s

Root relaxation: objective 7.300000e+01, 87285 iterations, 26.72 seconds (21.41 work units)

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

     0     0   73.00000    0 1701   10.00000   73.00000   630%     -   50s

Explored 1 nodes (96571 simplex iterations) in 50.04 seconds (43.82 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 10 1 

Time limit reached
Best objective 1.000000000000e+01, best bound 7.300000000000e+01, gap 630.0000%

Wrote result file './lp_solutions/grafo6347.46.sol'

