
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 26 00:23:04 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2316.40.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/grafo2316.40.lp
Reading time = 0.79 seconds
: 292153 rows, 2489 columns, 878640 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 292153 rows, 2489 columns and 878640 nonzeros
Model fingerprint: 0x3cb2ec1b
Variable types: 49 continuous, 2440 integer (2440 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 1.0000000
Presolve removed 128466 rows and 9 columns
Presolve time: 2.95s
Presolved: 163687 rows, 2480 columns, 493526 nonzeros
Variable types: 0 continuous, 2480 integer (2431 binary)
Found heuristic solution: objective 11.0000000
Root relaxation presolved: 2476 rows, 166163 columns, 496006 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
    5141    1.5146659e+02   0.000000e+00   7.800647e+05      5s
   26808    9.5204984e+01   0.000000e+00   2.076324e+05     10s
   40751    7.3904721e+01   0.000000e+00   1.559050e+05     15s
   55202    6.8846078e+01   0.000000e+00   5.277795e+05     20s
   69446    6.8814338e+01   0.000000e+00   1.512661e+04     25s
   84406    6.8801082e+01   0.000000e+00   3.718384e+04     30s
   98618    6.8795201e+01   0.000000e+00   9.060899e+03     35s
  113578    6.8793185e+01   0.000000e+00   2.502999e+03     40s
  117001    6.9000000e+01   0.000000e+00   0.000000e+00     42s
  117001    6.9000000e+01   0.000000e+00   0.000000e+00     42s
  117001    6.9000000e+01   0.000000e+00   0.000000e+00     42s

Root relaxation: objective 6.900000e+01, 117001 iterations, 38.34 seconds (19.89 work units)

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

     0     0   69.00000    0 1482   11.00000   69.00000   527%     -   50s

Explored 1 nodes (119235 simplex iterations) in 50.07 seconds (29.38 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 6.900000000000e+01, gap 527.2727%

Wrote result file './lp_solutions/grafo2316.40.sol'

