
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 03:30:42 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11598.36.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/grafo11598.36.lp
Reading time = 0.11 seconds
: 49714 rows, 1800 columns, 150644 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 49714 rows, 1800 columns and 150644 nonzeros
Model fingerprint: 0xea90ad9d
Variable types: 43 continuous, 1757 integer (1757 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 6597 rows and 30 columns
Presolve time: 0.57s
Presolved: 43117 rows, 1770 columns, 131254 nonzeros
Variable types: 0 continuous, 1770 integer (1727 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 23636 rows, 21251 columns, 92292 nonzeros


Root relaxation: objective 3.800000e+01, 1736 iterations, 0.78 seconds (0.41 work units)

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

     0     0   38.00000    0  376    7.00000   38.00000   443%     -    2s
H    0     0                       9.0000000   38.00000   322%     -    4s
     0     0   38.00000    0  511    9.00000   38.00000   322%     -    7s
     0     0   38.00000    0  504    9.00000   38.00000   322%     -    8s
H    0     0                      10.0000000   38.00000   280%     -   11s
H    0     0                      11.0000000   38.00000   245%     -   46s
H    0     0                      12.0000000   38.00000   217%     -   46s
H    0     0                      13.0000000   38.00000   192%     -   46s
H    0     0                      14.0000000   38.00000   171%     -   46s
H    0     0                      15.0000000   38.00000   153%     -   46s
     0     0   37.66667    0  664   15.00000   37.66667   151%     -   46s
     0     0   37.66667    0  592   15.00000   37.66667   151%     -   48s

Cutting planes:
  Gomory: 1
  Cover: 26
  Clique: 7
  MIR: 165
  StrongCG: 3
  GUB cover: 3
  Zero half: 6
  RLT: 23
  PSD: 1

Explored 1 nodes (34034 simplex iterations) in 50.09 seconds (29.45 work units)
Thread count was 8 (of 8 available processors)

Solution count 9: 15 14 13 ... 1

Time limit reached
Best objective 1.500000000000e+01, best bound 3.700000000000e+01, gap 146.6667%

Wrote result file './lp_solutions/grafo11598.36.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 07:07:18 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11598.36.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/grafo11598.36.lp
Reading time = 0.08 seconds
: 49714 rows, 1800 columns, 150644 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 49714 rows, 1800 columns and 150644 nonzeros
Model fingerprint: 0xea90ad9d
Variable types: 43 continuous, 1757 integer (1757 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 6597 rows and 30 columns
Presolve time: 0.33s
Presolved: 43117 rows, 1770 columns, 131254 nonzeros
Variable types: 0 continuous, 1770 integer (1727 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 23636 rows, 21251 columns, 92292 nonzeros


Root relaxation: objective 3.800000e+01, 1736 iterations, 0.46 seconds (0.41 work units)

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

     0     0   38.00000    0  376    7.00000   38.00000   443%     -    1s
H    0     0                       9.0000000   38.00000   322%     -    2s
     0     0   38.00000    0  511    9.00000   38.00000   322%     -    4s
     0     0   38.00000    0  504    9.00000   38.00000   322%     -    4s
H    0     0                      10.0000000   38.00000   280%     -    6s
H    0     0                      11.0000000   38.00000   245%     -   33s
H    0     0                      12.0000000   38.00000   217%     -   33s
H    0     0                      13.0000000   38.00000   192%     -   33s
H    0     0                      14.0000000   38.00000   171%     -   33s
H    0     0                      15.0000000   38.00000   153%     -   33s
     0     0   37.66667    0  664   15.00000   37.66667   151%     -   33s
     0     0   37.66667    0  592   15.00000   37.66667   151%     -   34s
H    0     0                      16.0000000   37.66667   135%     -   36s
     0     0   37.66667    0  563   16.00000   37.66667   135%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 26
  Clique: 7
  MIR: 162
  StrongCG: 3
  GUB cover: 3
  Zero half: 40
  RLT: 43
  BQP: 1
  PSD: 1

Explored 1 nodes (51210 simplex iterations) in 50.06 seconds (43.50 work units)
Thread count was 8 (of 8 available processors)

Solution count 10: 16 15 14 ... 1

Time limit reached
Best objective 1.600000000000e+01, best bound 3.700000000000e+01, gap 131.2500%

Wrote result file './lp_solutions/grafo11598.36.sol'

