Element = Lattice = Model = Element: Ag
Lattice: hcp
Model: EAM_Dynamo_WilliamsMishinHamilton_2006_CuAg__MO_128703483589_005
Computed model cutoff of 5.995010992288589 Angstroms
Computed isolated atomic energy of -2.615274813030921e-08 eV for species Ag

==============================================================================
==============================================================================
 Starting optimization to find optimum lattice constant 'a' with c/a fixed to
 sqrt(8/3)
==============================================================================
==============================================================================


Attempting to perform relaxation using initial lattice constant guess of a = 1.0 Angstroms (c/a fixed at sqrt(8/3))

Failed to perform relaxation w.r.t. 'a' with c/a fixed at sqrt(8/3) and an initial guess of a = 1.0 Angstroms
Exception message:
Calling "kim_model.compute" failed.

Continuing...


Attempting to perform relaxation using initial lattice constant guess of a = 1.125 Angstroms (c/a fixed at sqrt(8/3))

Failed to perform relaxation w.r.t. 'a' with c/a fixed at sqrt(8/3) and an initial guess of a = 1.125 Angstroms
Exception message:
Calling "kim_model.compute" failed.

Continuing...


Attempting to perform relaxation using initial lattice constant guess of a = 1.25 Angstroms (c/a fixed at sqrt(8/3))

Failed to perform relaxation w.r.t. 'a' with c/a fixed at sqrt(8/3) and an initial guess of a = 1.25 Angstroms
Exception message:
Calling "kim_model.compute" failed.

Continuing...


Attempting to perform relaxation using initial lattice constant guess of a = 1.375 Angstroms (c/a fixed at sqrt(8/3))

Optimization terminated successfully.
         Current function value: -11.383207
         Iterations: 39
         Function evaluations: 82
Results for this minimization:
  a = 2.8863548654131654, total energy = -11.38320746882001

Attempting to perform relaxation using initial lattice constant guess of a = 1.5 Angstroms (c/a fixed at sqrt(8/3))

Optimization terminated successfully.
         Current function value: -11.383207
         Iterations: 40
         Function evaluations: 85
Results for this minimization:
  a = 2.8863548599183595, total energy = -11.383207468819984

Attempting to perform relaxation using initial lattice constant guess of a = 1.625 Angstroms (c/a fixed at sqrt(8/3))

Optimization terminated successfully.
         Current function value: -11.383207
         Iterations: 37
         Function evaluations: 81
Results for this minimization:
  a = 2.886354918254075, total energy = -11.383207468819943

Attempting to perform relaxation using initial lattice constant guess of a = 1.75 Angstroms (c/a fixed at sqrt(8/3))

Optimization terminated successfully.
         Current function value: -11.383207
         Iterations: 38
         Function evaluations: 79
Results for this minimization:
  a = 2.88635487081483, total energy = -11.383207468820013

Attempting to perform relaxation using initial lattice constant guess of a = 1.875 Angstroms (c/a fixed at sqrt(8/3))

Optimization terminated successfully.
         Current function value: -11.383207
         Iterations: 36
         Function evaluations: 74
Results for this minimization:
  a = 2.886354890652001, total energy = -11.383207468820016

Attempting to perform relaxation using initial lattice constant guess of a = 2.0 Angstroms (c/a fixed at sqrt(8/3))

Optimization terminated successfully.
         Current function value: -11.383207
         Iterations: 36
         Function evaluations: 78
Results for this minimization:
  a = 2.8863549022935366, total energy = -11.383207468820006

Attempting to perform relaxation using initial lattice constant guess of a = 2.125 Angstroms (c/a fixed at sqrt(8/3))

Optimization terminated successfully.
         Current function value: -11.383207
         Iterations: 36
         Function evaluations: 76
Results for this minimization:
  a = 2.886354892724195, total energy = -11.383207468820016

Attempting to perform relaxation using initial lattice constant guess of a = 2.25 Angstroms (c/a fixed at sqrt(8/3))

Optimization terminated successfully.
         Current function value: -11.383207
         Iterations: 35
         Function evaluations: 77
Results for this minimization:
  a = 2.8863548942841595, total energy = -11.383207468819988

Attempting to perform relaxation using initial lattice constant guess of a = 2.375 Angstroms (c/a fixed at sqrt(8/3))

Optimization terminated successfully.
         Current function value: -11.383207
         Iterations: 37
         Function evaluations: 80
Results for this minimization:
  a = 2.8863548617809993, total energy = -11.383207468820006

Attempting to perform relaxation using initial lattice constant guess of a = 2.5 Angstroms (c/a fixed at sqrt(8/3))

Optimization terminated successfully.
         Current function value: -11.383207
         Iterations: 35
         Function evaluations: 75
Results for this minimization:
  a = 2.886354890652001, total energy = -11.383207468820013

Attempting to perform relaxation using initial lattice constant guess of a = 2.625 Angstroms (c/a fixed at sqrt(8/3))

Optimization terminated successfully.
         Current function value: -11.383207
         Iterations: 34
         Function evaluations: 72
Results for this minimization:
  a = 2.8863548708148294, total energy = -11.383207468820006

Attempting to perform relaxation using initial lattice constant guess of a = 2.75 Angstroms (c/a fixed at sqrt(8/3))

Optimization terminated successfully.
         Current function value: -11.383207
         Iterations: 32
         Function evaluations: 68
Results for this minimization:
  a = 2.8863548571534925, total energy = -11.383207468819963

Attempting to perform relaxation using initial lattice constant guess of a = 2.875 Angstroms (c/a fixed at sqrt(8/3))

Optimization terminated successfully.
         Current function value: -11.383207
         Iterations: 32
         Function evaluations: 69
Results for this minimization:
  a = 2.8863548638182697, total energy = -11.383207468819991

Attempting to perform relaxation using initial lattice constant guess of a = 3.0 Angstroms (c/a fixed at sqrt(8/3))

Optimization terminated successfully.
         Current function value: -11.383207
         Iterations: 35
         Function evaluations: 77
Results for this minimization:
  a = 2.886354859918356, total energy = -11.383207468819975

Attempting to perform relaxation using initial lattice constant guess of a = 3.125 Angstroms (c/a fixed at sqrt(8/3))

Optimization terminated successfully.
         Current function value: -11.383207
         Iterations: 33
         Function evaluations: 71
Results for this minimization:
  a = 2.8863548790104687, total energy = -11.38320746881999

Attempting to perform relaxation using initial lattice constant guess of a = 3.25 Angstroms (c/a fixed at sqrt(8/3))

Optimization terminated successfully.
         Current function value: -11.383207
         Iterations: 34
         Function evaluations: 75
Results for this minimization:
  a = 2.8863549230969503, total energy = -11.383207468819986

Attempting to perform relaxation using initial lattice constant guess of a = 3.375 Angstroms (c/a fixed at sqrt(8/3))

Optimization terminated successfully.
         Current function value: -11.383207
         Iterations: 34
         Function evaluations: 72
Results for this minimization:
  a = 2.886354882759041, total energy = -11.383207468820009

Attempting to perform relaxation using initial lattice constant guess of a = 3.5 Angstroms (c/a fixed at sqrt(8/3))

Optimization terminated successfully.
         Current function value: -11.383207
         Iterations: 35
         Function evaluations: 74
Results for this minimization:
  a = 2.8863548688590517, total energy = -11.383207468819988

Attempting to perform relaxation using initial lattice constant guess of a = 3.625 Angstroms (c/a fixed at sqrt(8/3))

Optimization terminated successfully.
         Current function value: -11.383207
         Iterations: 36
         Function evaluations: 78
Results for this minimization:
  a = 2.886354838972328, total energy = -11.383207468819961

Attempting to perform relaxation using initial lattice constant guess of a = 3.75 Angstroms (c/a fixed at sqrt(8/3))

Optimization terminated successfully.
         Current function value: -11.383207
         Iterations: 36
         Function evaluations: 74
Results for this minimization:
  a = 2.886354890652001, total energy = -11.383207468820013

Attempting to perform relaxation using initial lattice constant guess of a = 3.875 Angstroms (c/a fixed at sqrt(8/3))

Optimization terminated successfully.
         Current function value: -11.383207
         Iterations: 36
         Function evaluations: 75
Results for this minimization:
  a = 2.886354852560905, total energy = -11.383207468819995

Attempting to perform relaxation using initial lattice constant guess of a = 4.0 Angstroms (c/a fixed at sqrt(8/3))

Optimization terminated successfully.
         Current function value: -11.383207
         Iterations: 37
         Function evaluations: 80
Results for this minimization:
  a = 2.886354890652, total energy = -11.38320746882

Attempting to perform relaxation using initial lattice constant guess of a = 4.125 Angstroms (c/a fixed at sqrt(8/3))

Optimization terminated successfully.
         Current function value: -11.383207
         Iterations: 37
         Function evaluations: 78
Results for this minimization:
  a = 2.8863548720721166, total energy = -11.383207468819998

Attempting to perform relaxation using initial lattice constant guess of a = 4.25 Angstroms (c/a fixed at sqrt(8/3))

Optimization terminated successfully.
         Current function value: -11.383207
         Iterations: 38
         Function evaluations: 81
Results for this minimization:
  a = 2.8863548927241913, total energy = -11.383207468820013

Attempting to perform relaxation using initial lattice constant guess of a = 4.375 Angstroms (c/a fixed at sqrt(8/3))

Optimization terminated successfully.
         Current function value: -11.383207
         Iterations: 37
         Function evaluations: 81
Results for this minimization:
  a = 2.8863548896697466, total energy = -11.383207468820004

Attempting to perform relaxation using initial lattice constant guess of a = 4.5 Angstroms (c/a fixed at sqrt(8/3))

Optimization terminated successfully.
         Current function value: -11.383207
         Iterations: 38
         Function evaluations: 82
Results for this minimization:
  a = 2.8863548959605354, total energy = -11.383207468819991

Attempting to perform relaxation using initial lattice constant guess of a = 4.625 Angstroms (c/a fixed at sqrt(8/3))

Optimization terminated successfully.
         Current function value: -11.383207
         Iterations: 39
         Function evaluations: 86
Results for this minimization:
  a = 2.8863548625260576, total energy = -11.38320746881999

Attempting to perform relaxation using initial lattice constant guess of a = 4.75 Angstroms (c/a fixed at sqrt(8/3))

Optimization terminated successfully.
         Current function value: -11.383207
         Iterations: 40
         Function evaluations: 86
Results for this minimization:
  a = 2.8863549033645555, total energy = -11.383207468819982

Attempting to perform relaxation using initial lattice constant guess of a = 4.875 Angstroms (c/a fixed at sqrt(8/3))

Optimization terminated successfully.
         Current function value: -11.383207
         Iterations: 39
         Function evaluations: 82
Results for this minimization:
  a = 2.8863548445515304, total energy = -11.383207468819975

Attempting to perform relaxation using initial lattice constant guess of a = 5.0 Angstroms (c/a fixed at sqrt(8/3))

Optimization terminated successfully.
         Current function value: -11.383207
         Iterations: 38
         Function evaluations: 81
Results for this minimization:
  a = 2.886354890652001, total energy = -11.383207468820009

Attempting to perform relaxation using initial lattice constant guess of a = 5.125 Angstroms (c/a fixed at sqrt(8/3))

Optimization terminated successfully.
         Current function value: -11.383207
         Iterations: 39
         Function evaluations: 84
Results for this minimization:
  a = 2.8863548591965764, total energy = -11.383207468819986

Attempting to perform relaxation using initial lattice constant guess of a = 5.25 Angstroms (c/a fixed at sqrt(8/3))

Optimization terminated successfully.
         Current function value: -11.383207
         Iterations: 39
         Function evaluations: 82
Results for this minimization:
  a = 2.8863548708148277, total energy = -11.383207468820004

Attempting to perform relaxation using initial lattice constant guess of a = 5.375 Angstroms (c/a fixed at sqrt(8/3))

Optimization terminated successfully.
         Current function value: -11.383207
         Iterations: 38
         Function evaluations: 81
Results for this minimization:
  a = 2.8863548669964088, total energy = -11.383207468819974

Attempting to perform relaxation using initial lattice constant guess of a = 5.5 Angstroms (c/a fixed at sqrt(8/3))

Optimization terminated successfully.
         Current function value: -11.383207
         Iterations: 39
         Function evaluations: 83
Results for this minimization:
  a = 2.886354858241972, total energy = -11.383207468819965

Attempting to perform relaxation using initial lattice constant guess of a = 5.625 Angstroms (c/a fixed at sqrt(8/3))

Optimization terminated successfully.
         Current function value: -11.383207
         Iterations: 39
         Function evaluations: 83
Results for this minimization:
  a = 2.886354858870618, total energy = -11.383207468819988

Attempting to perform relaxation using initial lattice constant guess of a = 5.75 Angstroms (c/a fixed at sqrt(8/3))

Optimization terminated successfully.
         Current function value: -11.383207
         Iterations: 40
         Function evaluations: 85
Results for this minimization:
  a = 2.8863548913970547, total energy = -11.38320746881999

Attempting to perform relaxation using initial lattice constant guess of a = 5.875 Angstroms (c/a fixed at sqrt(8/3))

Optimization terminated successfully.
         Current function value: -11.383207
         Iterations: 39
         Function evaluations: 83
Results for this minimization:
  a = 2.886354851815848, total energy = -11.383207468820002

Attempting to perform relaxation using initial lattice constant guess of a = 6.0 Angstroms (c/a fixed at sqrt(8/3))

Optimization terminated successfully.
         Current function value: -11.383207
         Iterations: 41
         Function evaluations: 88
Results for this minimization:
  a = 2.886354868859045, total energy = -11.38320746881999

==============================================================================
==============================================================================
 Starting optimization with both a and c/a relaxed
==============================================================================
==============================================================================


Attempting to perform relaxation using initial lattice constant guess of a = [2.88635489] Angstroms and c = 3.770718239298207 = ([1.30639453] * a) Angstroms

Optimization terminated successfully.
         Current function value: -11.384610
         Iterations: 74
         Function evaluations: 155
Results for this minimization:
  a = 2.8963894054324593, c = 4.679309005669198, total energy = -11.384609886305885

Attempting to perform relaxation using initial lattice constant guess of a = [2.88635489] Angstroms and c = 4.006388129254345 = ([1.38804419] * a) Angstroms

Optimization terminated successfully.
         Current function value: -11.384610
         Iterations: 75
         Function evaluations: 161
Results for this minimization:
  a = 2.896389363053469, c = 4.6793089781841815, total energy = -11.384609886305848

Attempting to perform relaxation using initial lattice constant guess of a = [2.88635489] Angstroms and c = 4.242058019210484 = ([1.46969385] * a) Angstroms

Optimization terminated successfully.
         Current function value: -11.384610
         Iterations: 73
         Function evaluations: 156
Results for this minimization:
  a = 2.896389381348146, c = 4.679308965527735, total energy = -11.38460988630586

Attempting to perform relaxation using initial lattice constant guess of a = [2.88635489] Angstroms and c = 4.477727909166622 = ([1.5513435] * a) Angstroms

Optimization terminated successfully.
         Current function value: -11.384610
         Iterations: 66
         Function evaluations: 144
Results for this minimization:
  a = 2.896389432488599, c = 4.679308910375141, total energy = -11.384609886305856

Attempting to perform relaxation using initial lattice constant guess of a = [2.88635489] Angstroms and c = 4.71339779912276 = ([1.63299316] * a) Angstroms

Optimization terminated successfully.
         Current function value: -11.384610
         Iterations: 72
         Function evaluations: 152
Results for this minimization:
  a = 2.8963894374703107, c = 4.6793088828400355, total energy = -11.384609886305855

Attempting to perform relaxation using initial lattice constant guess of a = [2.88635489] Angstroms and c = 4.949067689078898 = ([1.71464282] * a) Angstroms

Optimization terminated successfully.
         Current function value: -11.384610
         Iterations: 79
         Function evaluations: 166
Results for this minimization:
  a = 2.8963894067884457, c = 4.679308971059472, total energy = -11.384609886305865

Attempting to perform relaxation using initial lattice constant guess of a = [2.88635489] Angstroms and c = 5.184737579035037 = ([1.79629248] * a) Angstroms

Optimization terminated successfully.
         Current function value: -11.384610
         Iterations: 71
         Function evaluations: 154
Results for this minimization:
  a = 2.8963894216400408, c = 4.679308968973391, total energy = -11.38460988630586

Attempting to perform relaxation using initial lattice constant guess of a = [2.88635489] Angstroms and c = 5.420407468991175 = ([1.87794214] * a) Angstroms

Optimization terminated successfully.
         Current function value: -11.384610
         Iterations: 71
         Function evaluations: 150
Results for this minimization:
  a = 2.896389388842243, c = 4.679308993826725, total energy = -11.384609886305848

Attempting to perform relaxation using initial lattice constant guess of a = [2.88635489] Angstroms and c = 5.656077358947313 = ([1.95959179] * a) Angstroms

Optimization terminated successfully.
         Current function value: -11.384610
         Iterations: 76
         Function evaluations: 159
Results for this minimization:
  a = 2.8963893983182345, c = 4.679308956563736, total energy = -11.384609886305876

==============================================================================
==============================================================================
 Finished with optimization
==============================================================================
==============================================================================

 Final lattice Constants:
   a = 2.8963894054324593 Angstroms, c = 4.679309005669198 Angstroms, c/a = 1.615566

 Total energy: -11.384609886305885 eV

 Cohesive energy: -2.846152471576471 eV/atom

==============================================================================
==============================================================================