
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 03:13:55 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11533.36.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/grafo11533.36.lp
Reading time = 0.12 seconds
: 55462 rows, 1757 columns, 167839 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 55462 rows, 1757 columns and 167839 nonzeros
Model fingerprint: 0x0d5941ac
Variable types: 42 continuous, 1715 integer (1715 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 10717 rows and 28 columns
Presolve time: 0.65s
Presolved: 44745 rows, 1729 columns, 135993 nonzeros
Variable types: 0 continuous, 1729 integer (1687 binary)
Root relaxation presolved: 26125 rows, 20349 columns, 98753 nonzeros


Root relaxation: objective 3.900000e+01, 1516 iterations, 0.80 seconds (0.33 work units)

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

     0     0   39.00000    0  384          -   39.00000      -     -    2s
H    0     0                       7.0000000   39.00000   457%     -    2s
H    0     0                       9.0000000   39.00000   333%     -    3s
H    0     0                      10.0000000   39.00000   290%     -   12s
     0     0   39.00000    0  672   10.00000   39.00000   290%     -   12s
H    0     0                      11.0000000   39.00000   255%     -   12s
     0     0   39.00000    0  561   11.00000   39.00000   255%     -   13s
     0     0   39.00000    0  555   11.00000   39.00000   255%     -   29s
H    0     0                      12.0000000   39.00000   225%     -   29s
     0     0   39.00000    0  538   12.00000   39.00000   225%     -   31s
     0     0   39.00000    0  484   12.00000   39.00000   225%     -   49s
H    0     0                      13.0000000   39.00000   200%     -   49s
     0     0          -    0        13.00000   39.00000   200%     -   50s

Cutting planes:
  Gomory: 4
  Cover: 2
  Clique: 13
  MIR: 76
  StrongCG: 2
  Zero half: 3
  RLT: 37
  BQP: 1

Explored 1 nodes (40756 simplex iterations) in 50.07 seconds (30.40 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 13 12 11 ... 7

Time limit reached
Best objective 1.300000000000e+01, best bound 3.900000000000e+01, gap 200.0000%

Wrote result file './lp_solutions/grafo11533.36.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 07:02:16 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11533.36.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/grafo11533.36.lp
Reading time = 0.09 seconds
: 55462 rows, 1757 columns, 167839 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 55462 rows, 1757 columns and 167839 nonzeros
Model fingerprint: 0x0d5941ac
Variable types: 42 continuous, 1715 integer (1715 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 10717 rows and 28 columns
Presolve time: 0.39s
Presolved: 44745 rows, 1729 columns, 135993 nonzeros
Variable types: 0 continuous, 1729 integer (1687 binary)
Root relaxation presolved: 26125 rows, 20349 columns, 98753 nonzeros


Root relaxation: objective 3.900000e+01, 1516 iterations, 0.39 seconds (0.33 work units)

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

     0     0   39.00000    0  384          -   39.00000      -     -    1s
H    0     0                       7.0000000   39.00000   457%     -    1s
H    0     0                       9.0000000   39.00000   333%     -    1s
H    0     0                      10.0000000   39.00000   290%     -    7s
     0     0   39.00000    0  672   10.00000   39.00000   290%     -    7s
H    0     0                      11.0000000   39.00000   255%     -    7s
     0     0   39.00000    0  561   11.00000   39.00000   255%     -    8s
     0     0   39.00000    0  555   11.00000   39.00000   255%     -   18s
H    0     0                      12.0000000   39.00000   225%     -   18s
     0     0   39.00000    0  538   12.00000   39.00000   225%     -   20s
     0     0   39.00000    0  484   12.00000   39.00000   225%     -   32s
H    0     0                      13.0000000   39.00000   200%     -   32s
     0     0   39.00000    0  546   13.00000   39.00000   200%     -   34s
H    0     0                      14.0000000   39.00000   179%     -   50s
     0     0   39.00000    0  586   14.00000   39.00000   179%     -   50s

Cutting planes:
  Gomory: 2
  Cover: 2
  Clique: 9
  MIR: 28
  StrongCG: 2
  Zero half: 2
  RLT: 14

Explored 1 nodes (59959 simplex iterations) in 50.05 seconds (46.46 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 14 13 12 ... 7

Time limit reached
Best objective 1.400000000000e+01, best bound 3.900000000000e+01, gap 178.5714%

Wrote result file './lp_solutions/grafo11533.36.sol'

