Element = Lattice = Model = Element: C
Lattice: hcp
Model: EAM_Dynamo_HepburnAckland_2008_FeC__MO_143977152728_005
Computed model cutoff of 3.500119970440875 Angstroms
Computed isolated atomic energy of 0.0 eV for species C

==============================================================================
==============================================================================
 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))

Failed to perform relaxation w.r.t. 'a' with c/a fixed at sqrt(8/3) and an initial guess of a = 1.375 Angstroms
Exception message:
Calling "kim_model.compute" failed.

Continuing...


Attempting to perform relaxation using initial lattice constant guess of a = 1.5 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 = 1.5 Angstroms
Exception message:
Calling "kim_model.compute" failed.

Continuing...


Attempting to perform relaxation using initial lattice constant guess of a = 1.625 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 = 1.625 Angstroms
Exception message:
Calling "kim_model.compute" failed.

Continuing...


Attempting to perform relaxation using initial lattice constant guess of a = 1.75 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 = 1.75 Angstroms
Exception message:
Calling "kim_model.compute" failed.

Continuing...


Attempting to perform relaxation using initial lattice constant guess of a = 1.875 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 = 1.875 Angstroms
Exception message:
Calling "kim_model.compute" failed.

Continuing...


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: -2.251859
         Iterations: 35
         Function evaluations: 70
Results for this minimization:
  a = 2.305465208087117, total energy = -2.2518591583809195

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: -2.251859
         Iterations: 35
         Function evaluations: 71
Results for this minimization:
  a = 2.3054652082035316, total energy = -2.251859158380926

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: -2.251859
         Iterations: 34
         Function evaluations: 69
Results for this minimization:
  a = 2.3054652082733806, total energy = -2.251859158380923

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: 0.000000
         Iterations: 37
         Function evaluations: 106
Results for this minimization:
  a = 3.681249999999997, total energy = 0.0

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: 0.000000
         Iterations: 37
         Function evaluations: 106
Results for this minimization:
  a = 3.875, total energy = 0.0

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: 0.000000
         Iterations: 36
         Function evaluations: 104
Results for this minimization:
  a = 3.543750000000002, total energy = 0.0

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: 0.000000
         Iterations: 36
         Function evaluations: 104
Results for this minimization:
  a = 3.712500000000004, total energy = 0.0

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: 0.000000
         Iterations: 35
         Function evaluations: 101
Results for this minimization:
  a = 3.5937500000000004, total energy = 0.0

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: 0.000000
         Iterations: 35
         Function evaluations: 101
Results for this minimization:
  a = 3.7500000000000018, total energy = 0.0

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: 0.000000
         Iterations: 34
         Function evaluations: 99
Results for this minimization:
  a = 3.59375, total energy = 0.0

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: 0.000000
         Iterations: 33
         Function evaluations: 96
Results for this minimization:
  a = 3.575, total energy = 0.0

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: 0.000000
         Iterations: 32
         Function evaluations: 94
Results for this minimization:
  a = 3.54375, total energy = 0.0

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: 0.000000
         Iterations: 32
         Function evaluations: 94
Results for this minimization:
  a = 3.6750000000000003, total energy = 0.0

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: 0.000000
         Iterations: 32
         Function evaluations: 95
Results for this minimization:
  a = 3.625, total energy = 0.0

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


Attempting to perform relaxation using initial lattice constant guess of a = [2.30546521] Angstroms and c = 3.011847135913619 = ([1.30639453] * a) Angstroms

Optimization terminated successfully.
         Current function value: -6.603492
         Iterations: 76
         Function evaluations: 159
Results for this minimization:
  a = 3.0813333598314423, c = 2.8958262041253393, total energy = -6.603491841416041

Attempting to perform relaxation using initial lattice constant guess of a = [2.30546521] Angstroms and c = 3.20008758190822 = ([1.38804419] * a) Angstroms

Optimization terminated successfully.
         Current function value: -6.603492
         Iterations: 78
         Function evaluations: 168
Results for this minimization:
  a = 3.0813333662904436, c = 2.8958261948823614, total energy = -6.60349184141604

Attempting to perform relaxation using initial lattice constant guess of a = [2.30546521] Angstroms and c = 3.3883280279028214 = ([1.46969385] * a) Angstroms

Optimization terminated successfully.
         Current function value: -6.603492
         Iterations: 87
         Function evaluations: 174
Results for this minimization:
  a = 3.081333350004904, c = 2.8958262182861487, total energy = -6.603491841416036

Attempting to perform relaxation using initial lattice constant guess of a = [2.30546521] Angstroms and c = 3.5765684738974226 = ([1.5513435] * a) Angstroms

Optimization terminated successfully.
         Current function value: -6.603492
         Iterations: 143
         Function evaluations: 277
Results for this minimization:
  a = 3.0813333508477894, c = 2.895826216988965, total energy = -6.60349184141604

Attempting to perform relaxation using initial lattice constant guess of a = [2.30546521] Angstroms and c = 3.764808919892024 = ([1.63299316] * a) Angstroms

Optimization terminated successfully.
         Current function value: -7.005603
         Iterations: 123
         Function evaluations: 267
Results for this minimization:
  a = 2.293734367948474, c = 6.485966094541035, total energy = -7.005603137662081

Attempting to perform relaxation using initial lattice constant guess of a = [2.30546521] Angstroms and c = 3.953049365886625 = ([1.71464282] * a) Angstroms

Optimization terminated successfully.
         Current function value: -7.005603
         Iterations: 100
         Function evaluations: 228
Results for this minimization:
  a = 2.293734368004136, c = 6.606792835191517, total energy = -7.005603137662079

Attempting to perform relaxation using initial lattice constant guess of a = [2.30546521] Angstroms and c = 4.141289811881226 = ([1.79629248] * a) Angstroms

Optimization terminated successfully.
         Current function value: -7.005603
         Iterations: 95
         Function evaluations: 219
Results for this minimization:
  a = 2.2937343678601767, c = 6.7539200775597505, total energy = -7.005603137662079

Attempting to perform relaxation using initial lattice constant guess of a = [2.30546521] Angstroms and c = 4.3295302578758275 = ([1.87794214] * a) Angstroms

Optimization terminated successfully.
         Current function value: -7.005603
         Iterations: 104
         Function evaluations: 231
Results for this minimization:
  a = 2.2937343677993005, c = 6.673956164757932, total energy = -7.005603137662078

Attempting to perform relaxation using initial lattice constant guess of a = [2.30546521] Angstroms and c = 4.517770703870429 = ([1.95959179] * a) Angstroms

Optimization terminated successfully.
         Current function value: -7.005603
         Iterations: 104
         Function evaluations: 226
Results for this minimization:
  a = 2.2937343681573275, c = 6.717674989305307, total energy = -7.005603137662078