
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 07:21:20 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5248.36.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/grafo5248.36.lp
Reading time = 0.10 seconds
: 46598 rows, 1385 columns, 140641 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 46598 rows, 1385 columns and 140641 nonzeros
Model fingerprint: 0x5015df79
Variable types: 33 continuous, 1352 integer (1352 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 12366 rows and 23 columns
Presolve time: 0.43s
Presolved: 34232 rows, 1362 columns, 103797 nonzeros
Variable types: 0 continuous, 1362 integer (1329 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 21636 rows, 13958 columns, 78605 nonzeros


Root relaxation: objective 3.300000e+01, 2808 iterations, 2.29 seconds (1.20 work units)
Total elapsed time = 5.11s (DegenMoves)

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

     0     0   33.00000    0  370    7.00000   33.00000   371%     -    6s
H    0     0                       8.0000000   33.00000   312%     -    6s
     0     0   33.00000    0  515    8.00000   33.00000   312%     -   11s
     0     0   33.00000    0  470    8.00000   33.00000   312%     -   12s
H    0     0                       9.0000000   33.00000   267%     -   15s
     0     0   33.00000    0  454    9.00000   33.00000   267%     -   25s
     0     0   33.00000    0  430    9.00000   33.00000   267%     -   27s
     0     0   33.00000    0  317    9.00000   33.00000   267%     -   33s
     0     0   33.00000    0  392    9.00000   33.00000   267%     -   34s
H    0     0                      11.0000000   33.00000   200%     -   43s
     0     0   33.00000    0  370   11.00000   33.00000   200%     -   43s
     0     0   33.00000    0  322   11.00000   33.00000   200%     -   44s
     0     0   33.00000    0  312   11.00000   33.00000   200%     -   49s
     0     0   33.00000    0  280   11.00000   33.00000   200%     -   49s

Cutting planes:
  Cover: 27
  Clique: 12
  MIR: 53
  StrongCG: 2
  GUB cover: 6
  Zero half: 3
  RLT: 20

Explored 1 nodes (51903 simplex iterations) in 50.05 seconds (32.90 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 11 9 8 ... 2

Time limit reached
Best objective 1.100000000000e+01, best bound 3.300000000000e+01, gap 200.0000%

Wrote result file './lp_solutions/grafo5248.36.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 07:28:15 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5248.36.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/grafo5248.36.lp
Reading time = 0.08 seconds
: 46598 rows, 1385 columns, 140641 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 46598 rows, 1385 columns and 140641 nonzeros
Model fingerprint: 0x5015df79
Variable types: 33 continuous, 1352 integer (1352 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 12366 rows and 23 columns
Presolve time: 0.31s
Presolved: 34232 rows, 1362 columns, 103797 nonzeros
Variable types: 0 continuous, 1362 integer (1329 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 21636 rows, 13958 columns, 78605 nonzeros


Root relaxation: objective 3.300000e+01, 2808 iterations, 1.20 seconds (1.20 work units)

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

     0     0   33.00000    0  370    7.00000   33.00000   371%     -    4s
H    0     0                       8.0000000   33.00000   312%     -    4s
     0     0   33.00000    0  515    8.00000   33.00000   312%     -    7s
     0     0   33.00000    0  470    8.00000   33.00000   312%     -    7s
H    0     0                       9.0000000   33.00000   267%     -    9s
     0     0   33.00000    0  454    9.00000   33.00000   267%     -   16s
     0     0   33.00000    0  430    9.00000   33.00000   267%     -   17s
     0     0   33.00000    0  317    9.00000   33.00000   267%     -   22s
     0     0   33.00000    0  392    9.00000   33.00000   267%     -   22s
H    0     0                      11.0000000   33.00000   200%     -   28s
     0     0   33.00000    0  370   11.00000   33.00000   200%     -   29s
     0     0   33.00000    0  322   11.00000   33.00000   200%     -   29s
     0     0   33.00000    0  312   11.00000   33.00000   200%     -   32s
     0     0   33.00000    0  280   11.00000   33.00000   200%     -   32s
     0     0   33.00000    0  253   11.00000   33.00000   200%     -   35s
     0     0   33.00000    0  321   11.00000   33.00000   200%     -   36s
     0     0   33.00000    0  261   11.00000   33.00000   200%     -   39s
     0     0   33.00000    0  249   11.00000   33.00000   200%     -   39s
     0     0   33.00000    0  214   11.00000   33.00000   200%     -   42s
     0     0   33.00000    0  264   11.00000   33.00000   200%     -   42s
     0     0   33.00000    0  290   11.00000   33.00000   200%     -   44s
     0     0   33.00000    0  274   11.00000   33.00000   200%     -   45s
     0     2   33.00000    0  274   11.00000   33.00000   200%     -   49s
     1     3   33.00000    1  289   11.00000   33.00000   200%  1133   50s

Cutting planes:
  Clique: 1
  MIR: 6
  RLT: 9

Explored 2 nodes (78161 simplex iterations) in 50.02 seconds (51.07 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 11 9 8 ... 2

Time limit reached
Best objective 1.100000000000e+01, best bound 3.300000000000e+01, gap 200.0000%

Wrote result file './lp_solutions/grafo5248.36.sol'

