                                   MODFLOW 6
                U.S. GEOLOGICAL SURVEY MODULAR HYDROLOGIC MODEL
                            VERSION 6.3.0 03/04/2022

   MODFLOW 6 compiled Mar 02 2022 15:29:04 with Intel(R) Fortran Intel(R) 64
   Compiler Classic for applications running on Intel(R) 64, Version 2021.5.0
                             Build 20211109_000000

This software has been approved for release by the U.S. Geological 
Survey (USGS). Although the software has been subjected to rigorous 
review, the USGS reserves the right to update the software as needed 
pursuant to further analysis and review. No warranty, expressed or 
implied, is made by the USGS or the U.S. Government as to the 
functionality of the software and related material nor shall the 
fact of release constitute any such warranty. Furthermore, the 
software is released on condition that neither the USGS nor the U.S. 
Government shall be held liable for any damages resulting from its 
authorized or unauthorized use. Also refer to the USGS Water 
Resources Software User Rights Notice for complete use, copyright, 
and distribution information.


As a work of the United States Government, this USGS product is 
in the public domain within the United States. You can copy, 
modify, distribute, and perform the work, even for commercial 
purposes, all without asking permission. Additionally, USGS 
waives copyright and related rights in the work worldwide 
through CC0 1.0 Universal Public Domain Dedication 
(https://creativecommons.org/publicdomain/zero/1.0/).

The following GNU Lesser General Public License (LGPL) libraries
are used in this USGS product:

    SPARSKIT version 2.0
      ilut, luson, and qsplit 
      (https://www-users.cse.umn.edu/~saad/software/SPARSKIT/)

    RCM - Reverse Cuthill McKee Ordering
      (https://people.math.sc.edu/Burkardt/f_src/rcm/rcm.html)

    BLAS - Basic Linear Algebra Subprograms Level 1
      (https://people.math.sc.edu/Burkardt/f_src/blas1_d/blas1_d.html)

    SPARSEKIT - Sparse Matrix Utility Package
      amux, dperm, dvperm, rperm, and cperm
      (https://people.sc.fsu.edu/~jburkardt/f77_src/sparsekit/sparsekit.html)

The following BSD-3 License libraries are used in this USGS product:

    Modern Fortran DAG Library
      Copyright (c) 2018, Jacob Williams
      All rights reserved.
      (https://github.com/jacobwilliams/daglib)

MODFLOW 6 compiler options: /Isrc\libmf6core.a.p /Isrc /I..\src
/Isrc\libmf6_external.a.p /MTd /nologo /warn:general /warn:truncated_source
/stand:f08 /Zi /traceback /O2 /Zi /fpe:0 /fpp /Qdiag-disable:7416
/Qdiag-disable:7025 /Qdiag-disable:5268
/Fdsrc\libmf6core.a.p\Utilities_compilerversion.F90.pdb
/module:src\libmf6core.a.p
/Fosrc/libmf6core.a.p/Utilities_compilerversion.F90.obj /c

System command used to initiate simulation:
../exe/mf6.exe

MODFLOW was compiled using uniform precision.

Real Variables
  KIND: 8
  TINY (smallest non-zero value):    2.225074-308
  HUGE (largest value):    1.797693+308
  PRECISION: 15
  BIT SIZE: 64

Integer Variables
  KIND: 4
  HUGE (largest value): 2147483647
  BIT SIZE: 32

Long Integer Variables
  KIND: 8
  HUGE (largest value): 9223372036854775807
  BIT SIZE: 64

Logical Variables
  KIND: 4
  BIT SIZE: 32
 

 OPENED mfsim.nam
 FILE TYPE:NAM   UNIT 1001   STATUS:OLD                 
 FORMAT:FORMATTED              ACCESS:SEQUENTIAL          
 ACTION:READ                

 # File generated by Flopy version 3.3.5 on 07/06/2022 at 13:42:22.

 READING SIMULATION OPTIONS
 END OF SIMULATION OPTIONS

 READING SIMULATION TIMING

 OPENED regional_model.tdis
 FILE TYPE:TDIS   UNIT 1002   STATUS:OLD                 
 FORMAT:FORMATTED              ACCESS:SEQUENTIAL          
 ACTION:READ                


 TDIS -- TEMPORAL DISCRETIZATION PACKAGE,
 VERSION 1 : 11/13/2014 - INPUT READ FROM UNIT 1002
 # File generated by Flopy version 3.3.5 on 07/06/2022 at 13:42:22.
 PROCESSING TDIS OPTIONS
    SIMULATION TIME UNIT IS SECONDS
 END OF TDIS OPTIONS
 PROCESSING TDIS DIMENSIONS
    1 STRESS PERIOD(S) IN SIMULATION
 END OF TDIS DIMENSIONS
 PROCESSING TDIS PERIODDATA


 STRESS PERIOD     LENGTH       TIME STEPS     MULTIPLIER FOR DELT
 ----------------------------------------------------------------------------
        1         1.000000          1                    1.000
 END OF TDIS PERIODDATA
 END OF SIMULATION TIMING

 READING SIMULATION MODELS
    GWF6 model REGIONAL_MODEL will be created as model 1
 END OF SIMULATION MODELS

 READING SIMULATION EXCHANGES
 END OF SIMULATION EXCHANGES

 READING SOLUTIONGROUP

 Creating solution: SLN_1           

 OPENED regional_model.ims
 FILE TYPE:IMS   UNIT 1012   STATUS:OLD                 
 FORMAT:FORMATTED              ACCESS:SEQUENTIAL          
 ACTION:READ                

 END OF SIMULATION SOLUTIONGROUP

PROCESSING MODEL CONNECTIONS

 IMS -- ITERATIVE MODEL SOLUTION PACKAGE, VERSION 6, 4/28/2017
         INPUT READ FROM UNIT 1012
 # File generated by Flopy version 3.3.5 on 07/06/2022 at 13:42:22.

 PROCESSING IMS OPTIONS
 END OF IMS OPTIONS
 ***UNDER-RELAXATION WILL NOT BE USED***
 
 ***IMS LINEAR SOLVER WILL BE USED***

 IMSLINEAR -- UNSTRUCTURED LINEAR SOLUTION PACKAGE, VERSION 8, 04/28/2017

 PROCESSING LINEAR DATA
 END OF LINEAR DATA
 
 An asymmetric matrix will be solved

 OUTER ITERATION CONVERGENCE CRITERION    (DVCLOSE) =    0.100000E-02
 MAXIMUM NUMBER OF OUTER ITERATIONS        (MXITER) = 25
 SOLVER PRINTOUT INDEX                     (IPRIMS) = 0
 NONLINEAR ITERATION METHOD            (NONLINMETH) = 0
 LINEAR SOLUTION METHOD                   (LINMETH) = 1

       SOLUTION BY THE BICONJUGATE-GRADIENT STABILIZED METHOD
 ------------------------------------------------------------------
 MAXIMUM OF 25 CALLS OF SOLUTION ROUTINE
 MAXIMUM OF 50 INTERNAL ITERATIONS PER CALL TO SOLUTION ROUTINE
 LINEAR ACCELERATION METHOD            = BCGS      
 MATRIX PRECONDITIONING TYPE           = INCOMPLETE LU       
 MATRIX SCALING APPROACH               = NO SCALING          
 MATRIX REORDERING APPROACH            = ORIGINAL ORDERING        
 NUMBER OF ORTHOGONALIZATIONS          = 0
 HEAD CHANGE CRITERION FOR CLOSURE     =    0.10000E-02
 RESIDUAL CHANGE CRITERION FOR CLOSURE =    0.10000E+00
 RESIDUAL CONVERGENCE OPTION           = 0
 RESIDUAL CONVERGENCE NORM             = INFINITY NORM   
 RELAXATION FACTOR                     =    0.00000E+00



 
    Solving:  Stress period:     1    Time step:     1
 
1
                            STRESS PERIOD NO. 1, LENGTH =   1.000000    
                            -----------------------------------------------
                            NUMBER OF TIME STEPS = 1
                            MULTIPLIER FOR DELT =     1.000
                            INITIAL TIME STEP SIZE =   1.000000    



 PSEUDO-TRANSIENT CONTINUATION WILL BE APPLIED TO MODEL 1 ("REGIONAL_MODEL") DURING THIS TIME STEP

 MEMORY MANAGER TOTAL STORAGE BY DATA TYPE, IN MEGABYTES
 -------------------------------
                    ALLOCATED   
 DATA TYPE           MEMORY     
 -------------------------------
 Character        2.03300000E-03
 Logical          4.40000000E-05
 Integer          19.472372     
 Real             41.789008     
 -------------------------------
 Total            61.263457     
 -------------------------------


 
 Run end date and time (yyyy/mm/dd hh:mm:ss): 2022/07/06 13:42:33
 Elapsed run time:  6.903 Seconds
 Normal termination of simulation.
