
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 19 07:36:23 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3118.39.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/grafo3118.39.lp
Reading time = 0.15 seconds
: 94061 rows, 2293 columns, 284276 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 94061 rows, 2293 columns and 284276 nonzeros
Model fingerprint: 0x7206116a
Variable types: 48 continuous, 2245 integer (2245 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 27186 rows and 67 columns
Presolve time: 0.65s
Presolved: 66875 rows, 2226 columns, 203245 nonzeros
Variable types: 0 continuous, 2226 integer (2178 binary)
Root relaxation presolved: 2217 rows, 69092 columns, 205471 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   23271    4.2787788e+01   0.000000e+00   1.907933e+04      5s
   36085    4.3000000e+01   0.000000e+00   0.000000e+00      8s
   36085    4.3000000e+01   0.000000e+00   0.000000e+00      8s
   36085    4.3000000e+01   0.000000e+00   0.000000e+00      8s

Root relaxation: objective 4.300000e+01, 36085 iterations, 6.85 seconds (5.15 work units)
Total elapsed time = 15.96s (DegenMoves)

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

     0     0   43.00000    0  500          -   43.00000      -     -   19s
H    0     0                       5.0000000   43.00000   760%     -   21s
     0     0   43.00000    0  968    5.00000   43.00000   760%     -   35s
H    0     0                       6.0000000   43.00000   617%     -   36s
     0     0   43.00000    0  941    6.00000   43.00000   617%     -   36s
H    0     0                      10.0000000   43.00000   330%     -   38s
     0     0          -    0        10.00000   43.00000   330%     -   50s

Cutting planes:
  Gomory: 4
  Cover: 6
  Clique: 12
  MIR: 85
  Zero half: 103
  RLT: 69
  BQP: 4

Explored 1 nodes (65659 simplex iterations) in 50.09 seconds (43.46 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 10 6 5 

Time limit reached
Best objective 1.000000000000e+01, best bound 4.300000000000e+01, gap 330.0000%

Wrote result file './lp_solutions/grafo3118.39.sol'

