
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 19 08:19:19 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10071.40.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/grafo10071.40.lp
Reading time = 0.11 seconds
: 64524 rows, 2148 columns, 195420 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 64524 rows, 2148 columns and 195420 nonzeros
Model fingerprint: 0x1534d9f7
Variable types: 45 continuous, 2103 integer (2103 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 10765 rows and 25 columns
Presolve time: 0.42s
Presolved: 53759 rows, 2123 columns, 163751 nonzeros
Variable types: 0 continuous, 2123 integer (2078 binary)
Root relaxation presolved: 29689 rows, 26193 columns, 115611 nonzeros


Root relaxation: objective 3.900000e+01, 1628 iterations, 0.50 seconds (0.44 work units)

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

     0     0   39.00000    0  420          -   39.00000      -     -    2s
H    0     0                       9.0000000   39.00000   333%     -    3s
H    0     0                      11.0000000   39.00000   255%     -    3s
     0     0   39.00000    0  771   11.00000   39.00000   255%     -    9s
     0     0   39.00000    0  706   11.00000   39.00000   255%     -   10s
H    0     0                      12.0000000   39.00000   225%     -   25s
     0     0   39.00000    0  405   12.00000   39.00000   225%     -   25s
     0     0   39.00000    0  389   12.00000   39.00000   225%     -   25s
H    0     0                      13.0000000   39.00000   200%     -   37s
     0     0   39.00000    0  428   13.00000   39.00000   200%     -   37s
     0     0   39.00000    0  348   13.00000   39.00000   200%     -   37s
H    0     0                      14.0000000   39.00000   179%     -   46s
     0     0   39.00000    0  513   14.00000   39.00000   179%     -   46s
     0     0   39.00000    0  512   14.00000   39.00000   179%     -   47s
     0     0   39.00000    0  582   14.00000   39.00000   179%     -   50s

Cutting planes:
  Gomory: 1
  Lift-and-project: 1
  Cover: 9
  Clique: 2
  MIR: 89
  StrongCG: 2
  GUB cover: 1
  Zero half: 50
  RLT: 56
  BQP: 1

Explored 1 nodes (53983 simplex iterations) in 50.06 seconds (39.97 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 14 13 12 ... 9

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

Wrote result file './lp_solutions/grafo10071.40.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 26 00:18:01 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10071.40.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/grafo10071.40.lp
Reading time = 0.17 seconds
: 64524 rows, 2148 columns, 195420 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 64524 rows, 2148 columns and 195420 nonzeros
Model fingerprint: 0x1534d9f7
Variable types: 45 continuous, 2103 integer (2103 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 10765 rows and 25 columns
Presolve time: 0.58s
Presolved: 53759 rows, 2123 columns, 163751 nonzeros
Variable types: 0 continuous, 2123 integer (2078 binary)
Root relaxation presolved: 29689 rows, 26193 columns, 115611 nonzeros


Root relaxation: objective 3.900000e+01, 1628 iterations, 0.74 seconds (0.44 work units)

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

     0     0   39.00000    0  420          -   39.00000      -     -    3s
H    0     0                       9.0000000   39.00000   333%     -    5s
H    0     0                      11.0000000   39.00000   255%     -    5s
     0     0   39.00000    0  771   11.00000   39.00000   255%     -   14s
     0     0   39.00000    0  706   11.00000   39.00000   255%     -   16s
H    0     0                      12.0000000   39.00000   225%     -   38s
     0     0   39.00000    0  405   12.00000   39.00000   225%     -   38s
     0     0   39.00000    0  389   12.00000   39.00000   225%     -   38s
     0     0   39.00000    0  669   12.00000   39.00000   225%     -   50s

Cutting planes:
  Cover: 29
  Clique: 2
  MIR: 133
  StrongCG: 2
  GUB cover: 3
  Zero half: 41
  RLT: 58

Explored 1 nodes (34002 simplex iterations) in 50.09 seconds (25.44 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 12 11 9 

Time limit reached
Best objective 1.200000000000e+01, best bound 3.900000000000e+01, gap 225.0000%

Wrote result file './lp_solutions/grafo10071.40.sol'

