
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 03:54:24 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2969.39.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/grafo2969.39.lp
Reading time = 0.46 seconds
: 280035 rows, 2727 columns, 842808 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 280035 rows, 2727 columns and 842808 nonzeros
Model fingerprint: 0xbf24eda1
Variable types: 54 continuous, 2673 integer (2673 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]
Found heuristic solution: objective 2.0000000
Presolve removed 116549 rows and 18 columns
Presolve time: 2.00s
Presolved: 163486 rows, 2709 columns, 493464 nonzeros
Variable types: 0 continuous, 2709 integer (2655 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 2703 rows, 166189 columns, 496173 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   17907    1.2287346e+02   0.000000e+00   1.378379e+05      5s
   37947    8.5898451e+01   0.000000e+00   2.428091e+05     10s
   56186    6.4822648e+01   0.000000e+00   9.207527e+04     15s
   75642    6.4774149e+01   0.000000e+00   1.944209e+04     20s
   95802    6.4758031e+01   0.000000e+00   4.933464e+03     25s
  115962    6.4752653e+01   0.000000e+00   1.403044e+03     30s
  123133    6.5000000e+01   0.000000e+00   0.000000e+00     32s
  123133    6.5000000e+01   0.000000e+00   0.000000e+00     32s
  123133    6.5000000e+01   0.000000e+00   0.000000e+00     32s

Root relaxation: objective 6.500000e+01, 123133 iterations, 29.75 seconds (22.23 work units)

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

     0     0   65.00000    0 1575    5.00000   65.00000  1200%     -   50s

Explored 1 nodes (129678 simplex iterations) in 50.06 seconds (42.40 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 5 2 

Time limit reached
Best objective 5.000000000000e+00, best bound 6.500000000000e+01, gap 1200.0000%

Wrote result file './lp_solutions/grafo2969.39.sol'

