
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 06:43:32 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo7384.45.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/grafo7384.45.lp
Reading time = 0.18 seconds
: 110780 rows, 2553 columns, 334483 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 110780 rows, 2553 columns and 334483 nonzeros
Model fingerprint: 0xc4dcb7af
Variable types: 50 continuous, 2503 integer (2503 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 24865 rows and 31 columns
Presolve time: 0.78s
Presolved: 85915 rows, 2522 columns, 260272 nonzeros
Variable types: 0 continuous, 2522 integer (2472 binary)
Found heuristic solution: objective 9.0000000
Root relaxation presolved: 2522 rows, 88437 columns, 262794 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   21581    4.8749142e+01   0.000000e+00   6.629228e+04      5s
   41310    4.9000000e+01   0.000000e+00   0.000000e+00      9s
   41310    4.9000000e+01   0.000000e+00   0.000000e+00      9s

Root relaxation: objective 4.900000e+01, 41310 iterations, 8.36 seconds (6.91 work units)
Total elapsed time = 20.67s (DegenMoves)

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

     0     0   49.00000    0  573    9.00000   49.00000   444%     -   23s
H    0     0                      11.0000000   49.00000   345%     -   23s
     0     0   49.00000    0  786   11.00000   49.00000   345%     -   34s
     0     0   49.00000    0  700   11.00000   49.00000   345%     -   35s
     0     0   49.00000    0  767   11.00000   49.00000   345%     -   50s

Cutting planes:
  Gomory: 2
  Lift-and-project: 36
  Cover: 14
  Clique: 13
  MIR: 133
  StrongCG: 1
  GUB cover: 1
  Zero half: 28
  RLT: 64
  BQP: 2

Explored 1 nodes (70562 simplex iterations) in 50.03 seconds (48.88 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 11 9 

Time limit reached
Best objective 1.100000000000e+01, best bound 4.900000000000e+01, gap 345.4545%

Wrote result file './lp_solutions/grafo7384.45.sol'

