
 OPTIM version 22983, Copyright (C) David J. Wales
 OPTIM comes with ABSOLUTELY NO WARRANTY; for details supply WARRANTY as an input keyword.
 This is free software, and you are welcome to redistribute it
 under certain conditions; provide keyword COPYRIGHT to see the details.

 getparams> Number of atoms (or variables)  determined as     79
 keyword> Constraint potential parameters read from file congeom.dat
 keyword> Local permutational alignment: alignment threshold=        1.00000
 keyword> Local permutational alignment: alignment cutoff=           5.00000
 keyword> Number of groups of permutable atoms=     8
CHARMMTYPE set to  2
1
                 Chemistry at HARvard Macromolecular Mechanics
                   (CHARMM) - Developmental Version 35b4   February 15, 2010   
       Copyright(c) 1984-2001  President and Fellows of Harvard College
                              All Rights Reserved
      Current operating system: Linux-2.6.16.54-0.2.5-smp(x86_64)@comp34.ch.
                 Created on  5/28/12 at 10:28:35 by user: wales       

            Maximum number of ATOMS:     25140, and RESidues:       14000
            Current HEAP size:         2048000, and STACK size:    500000

 RDTITL> *
 RDTITL> No title read.

      ***** LEVEL  1 WARNING FROM <RDTITL> *****
      ***** Title expected.
      ******************************************
      BOMLEV (  0) IS NOT REACHED. WRNLEV IS  5

  
 CHARMM>    BOMLev -5
 MISCOM> Setting BOMLev < -2 is NOT a good idea.
 Parameter: TOP <- "toph19_eef1_bs360.inp"
 Parameter: PAR <- "param19_eef1_bs360.inp"
  
 CHARMM>    WRNLEV -1
  
 CHARMM>    PRNLEV 2
 Parameter: 0 <- "/HOME/BS360/C31A2-SAT39/TOPPAR"
 VOPEN> Attempting to open::/home/bs360/c31a2-sat39/toppar/toph19_eef1_bs360.inp::
 OPNLGU> Unit  1 opened for READONLY access to /home/bs360/c31a2-sat39/toppar/toph19_eef1_bs360.inp
 MAINIO> Residue topology file being read from unit   1.
 TITLE> * TOPOLOGY FILE FOR PROTEINS USING EXPLICIT HYDROGEN ATOMS: VERSION 19
 TITLE> * S TRYGUBENKO: ASN, GLN AND TYR DIHEDRALS AND CTER IMPROPER WERE
 TITLE> * SYMMETRIZED TO ENSURE THAT ROTAMERS OF THESE RESIDUES HAVE THE SAME
 TITLE> * ENERGIES AND GEOMETRIES. VISIT HTTP://WWW.TRYGUB.COM/CHARMM/ROTAMERS/
 TITLE> * FOR MORE INFORMATION. UNSUPPORTED. USE THIS FILE AT YOUR OWN RISK.
 TITLE> * MODIFICATIONS ARE MARKED WITH SAT AND DAE.
 TITLE> * ALSO, TOPOLOGY FOR D-PROLINE (DPR) RESIDUE WAS ADDED.
 TITLE> * * T. LAZARIDIS: HERE THE IONIC SIDECHAINS AND TERMINI ARE NEUTRALIZED
 TITLE> * ALSO, A NEW ATOM TYPE HAS BEEN ADDED, CR, FOR 4-BONDED CARBON IN
 TITLE> * AROMATICS AND ARGININE. MODIFICATIONS ARE MARKED BY TL
 TITLE> *
 VCLOSE: Closing unit    1 with status "KEEP"
 VOPEN> Attempting to open::/home/bs360/c31a2-sat39/toppar/param19_eef1_bs360.inp::
 OPNLGU> Unit  2 opened for READONLY access to /home/bs360/c31a2-sat39/toppar/param19_eef1_bs360.inp

          PARAMETER FILE BEING READ FROM UNIT  2
 TITLE> * - PARAMETER FILE PARAM19 * S TRYGUBENKO: ASN, GLN AND TYR DIHEDRALS AND CTER IMPROPER WERE
 TITLE> * SYMMETRIZED TO ENSURE THAT ROTAMERS OF THESE RESIDUES HAVE THE SAME
 TITLE> * ENERGIES AND GEOMETRIES. VISIT HTTP://WWW.TRYGUB.COM/CHARMM/ROTAMERS/
 TITLE> * FOR MORE INFORMATION. UNSUPPORTED. USE THIS FILE AT YOUR OWN RISK.
 TITLE> * MODIFICATIONS ARE MARKED WITH SAT AND DAE.
 TITLE> * * PEPTIDE GEOMETRY FROM RAMACHANDRAN ET AL BBA 359:298 (1974)
 TITLE> * TORSIONS FROM HAGLER ET AL JACS 98:4600 (1976)
 TITLE> * JORGENSEN NONBOND PARAMETERS JACS 103:3976-3985 WITH 1-4 RC=1.80/0.1
 TITLE> *
 VCLOSE: Closing unit    2 with status "KEEP"
 MAINIO> Sequence information being read from unit   5.
 RDTITL> *

          RESIDUE SEQUENCE --     7 RESIDUES
          GLY ASN ASN GLN GLN ASN TYR 
 THE PATCH 'NTER' WILL BE USED FOR THE FIRST RESIDUE
 THE PATCH 'CTER' WILL BE USED FOR THE LAST  RESIDUE
 GENPSF> Segment   1 has been generated. Its identifier is SEG1.
 PSFSUM> PSF modified: NONBOND lists and IMAGE atoms cleared.
 PSFSUM> Summary of the structure file counters :
         Number of segments      =        1   Number of residues   =        7
         Number of atoms         =       79   Number of groups     =       33
         Number of bonds         =       79   Number of angles     =      113
         Number of dihedrals     =       48   Number of impropers  =       37
         Number of cross-terms   =        0
         Number of HB acceptors  =       14   Number of HB donors  =       20
         Number of NB exclusions =        3   Total charge =    0.00000
 VOPEN> Attempting to open::input.crd::
 OPNLGU> Unit 20 opened for READONLY access to input.crd
          SPATIAL COORDINATES BEING READ FROM UNIT 20
 TITLE> 79
 VCLOSE: Closing unit   20 with status "KEEP"

 NONBOND OPTION FLAGS: 
     ELEC     VDW      GROUps   RDIElec  SWITch   VGROup   VSWItch 
     BYGRoup  NOEXtnd  NOEWald 
 CUTNB  = 15.000 CTEXNB =999.000 CTONNB =  7.000 CTOFNB =  9.000
 WMIN   =  1.500 WRNMXD =  0.500 E14FAC =  0.400 EPS    =  1.000
 NBXMOD =      5
 There are        0 atom  pairs and        0 atom  exclusions.
 There are        0 group pairs and        0 group exclusions.
 <MAKINB> with mode   5 found    195 exclusions and    129 interactions(1-4)
 VOPEN> Attempting to open::/home/bs360/c31a2-sat39/toppar/solvpar.inp::
 OPNLGU> Unit 30 opened for READONLY access to /home/bs360/c31a2-sat39/toppar/solvpar.inp
 NBOND           79
 NTHETA          113
 NPHI           48

chsetdihe> number of internal coordinates for segment    1
 chsetdihe> NPHIPSI           14
 chsetdihe> NOMEGAC            6
 chsetdihe> NSIDECHAIN           15
 chsetdihe> NCHIRAL            6

chsetdihe> total number of internal coordinates
 chsetdihe> NPHIPSITOT=            14
 chsetdihe> NOMEGACTOT=             6
 chsetdihe> NSIDECHAINTOT=            15
 chsetdihe> NCHIRALTOT=             6

 chsetdihe>            29  twistable dihedrals identified
chsetdihe> SEG-NR, NSEGATOMS :    1      79

 fetchz> Hybrid EF/BFGS transition state search, maximum steps= 250
         maximum tangent space steps=   5 or  100 when overlap is better than     0.999900
 fetchz> Uphill mode is    0 for initial step and    0 after that
 fetchz> Steps for largest Hessian e/vector= 100, smallest e/vector=2000 convergence at       0.0020%

 fetchz>  237 Cartesian coordinates will be optimised for   79 CHARMM atoms

 fetchz> Lowest   1 eigenvalues and eigenvectors will be calculated non-iteratively
 fetchz> Point group checked when RMS force <     0.00100000, highest symmetry axis tested for=  6
 fetchz> Initial distance and eigenvalue tolerances in symmetry determination=     0.00010000     0.00010000
 fetchz> Minimum number of optimization steps=     0
 fetchz> Using constraint potential for initial interpolation in each cycle
         with absolute distance change tolerance         0.30000
         extra distance before turning on constraint potential         0.17500
         constraint spring constant=       10.00000
         image distance spring constant=        1.00000
         repulsion factor between unconstrained atoms=      100.00000
         repulsion cutoff will be the minimum of         1.55000 and the shortest distance in the end points
         fraction for restoring true potential=        0.99000
         maximum separation of atoms in sequence for constraint=   218
         minimum separation of atoms in sequence for repulsion=     0
         maximum optimization steps for constrained potential=  300001
         initial # images for constrained potential, maximum, check interval=       3      75      25
         number of interpolation attempts and initial image increment=       2      12
         RMS gradient per image tolerance for constrained potential=        0.01000
         maximum optimization steps for constrained/real potential=      25
         maximum steps for relaxation after adding a new atom before backtrack=     200
         maximum number of constraints per atom=     6
         maximum energy per image for convergence during constraint potential phase=        0.1000000000
         interval for checking repulsive interactions=    10
         multiple of cutoff for repulsion neighbour list=        2.0000000000
         adding terms for constraint internal minima
         Minimum and Maximum image separations:         0.10000       10.00000
 keywords> Cutoff for identifying atoms in the same orbit=    0.2000000000    
 keywords> lpermdist neighbours, threshold, max sep=    10     1.000000000         3
 fetchz> Convergence criterion for LBFGS optimization: RMS force< 0.10000000E-05 maximum steps= 10000
 fetchz> Maximum energy rise in LBFGS minimization=    0.1000000000E-01
 fetchz> Number of updates in LBFGS=    10000
 fetchz> Number of updates in XLBFGS=   4
 fetchz> Number of updates in mind=   4
 fetchz> Number of updates in qci=   4
 fetchz> Initial guess for diagonal elements in LBFGS=     0.0100
 fetchz> Initial guess for diagonal elements in XLBFGS=    0.1000
 fetchz> Maximum step size in LBFGS energy minimization=     0.1000
 fetchz> Maximum step size in XLBFGS=    0.2000
 fetchz> Maximum step size in LBFGS neb image minimization=                 0.2000
 fetchz> Warnings will be issued if atoms become closer than 0.5 units
 fetchz> Coordinates for intermediate steps will not be dumped to file points


 OPTIM> Using translational/rotational ev shift=     1000000.000    
 OPTIM> Initial energy=    -288.5233623     RMS force=    0.9929384981E-06
 OPTIM> Final energy  =    -288.3199581     RMS force=    0.9685577300E-06
 KeyConnect> Maximum cycles = 50, maximum images = 23
 KeyConnect> Maximum attempts per pair of minima = 3, with increment image density of 2.00
 KeyConnect> Image density = 0.30, iteration density = 35.00
 KeyNEB> Initial and final NEB force constants     10.00000000        10.00000000     factor=    1.010000000    
 KeyNEB> Number of images will vary depending on the separation of the endpoints
 KeyGrad> Overall rotation and translation will NOT be removed
 KeyGrad> Using doubly nudged elastic band gradient
 KeyOutput> Transition state candidates will be optimized
 KeyOutput> Concise printing during transition states optimization
 KeyOutput> Transition state candidates are maxima along NEB
 KeyMin> Maximal number of iterations will vary, depending on the number of images in the band
 KeyMin> RMS convergence criterion is set to 0.001
 KeyMin> L-BFGS minimization
 KeyLBFGS> Maximum step size per image =     0.2000000000    
 KeyLBFGS> 4 Hessian updates per iteration
 KeyLBFGS> Guess for inverse Hessian diagonal elements =     0.1000000000E-02
 KeyTau> Using Henkelman and Jonsson's improved tangent
 KeyDecide> Cost function in Dijkstra algorithm from interp function and dist, power=     3

 initialise> Interpolation metric value for minima 1 and 2 is      13.17155881    
 >>>>>>>>>>>>>>>>>>>>> CONNECT CYCLE 1 >>>>>>>>>>>>>>>>>>>>> 2 minima and 0 ts are known >>>>>>>>>>>>>>>>>>>>
 decide> Shortest path in Dijkstra has      1 steps with      1 missing connections, weight=     781.55    
 decide> The unconnected minima in the chain and their distances are:
     2        9.20     1 
 

 tryconnect> Interpolation for minima 1_S and 2_F using 3 initial images  (interp attempt #1)  ...
 intlbfgs> Maximum number of steps for constraint potential phase is 300001
 intlbfgs> Total number of atoms moving less than threshold=    67
 intlbfgs> Freezing     64 atoms
 intlbfgs> constrained potential finished, time=       0.0
 intlbfgs> switch on true potential at step    151 fraction=    0.990000 images=     3 time=       0.0
 intlbfgs> Allowing     25 further optimization steps
 intlbfgs> After    176 steps, energy/image=    -278.3930688     RMS=4.621650301     images=   3
 intlbfgs> First  minimum number      1
 intlbfgs> Second minimum number      2
 intlbfgs> DNEB for minima      1     2 dist=   14.33     Attempts, images and iterations=     0     4   140
 lbfgs> Final DNEB force constant      2.812407350    
 Double-ended search iterations= 140 RMS= 0.4266 Dev= 2.14% S= 13.12 time= 0.32
 Following    1 images are candidates for TS:    2  
 Converged to TS (number of iterations):         49
 DNEB run yielded 1 true transition state(s) time=   0.99

 >>>>>  Path run for ts 1 ...
 Plus  side of path:                     479 steps. Energy=    -294.4150329       time=       0.40
 Minus side of path:                     482 steps. Energy=    -294.4042368       time=       0.41

         E+        Ets - E+           Ets       Ets - E-           E-          S       D      gamma   ~N
     -294.4150329 0.99792         -293.4171176 0.98712         -294.4042368   2.880   2.713  27.352   2.888
        *NEW* (Placed in 3)                                     *NEW* (Placed in 4)
 Connection established between members of the U set.
 >>>>>>>>>>>>>>>>>>>>> CONNECT CYCLE 2 >>>>>>>>>>>>>>>>>>>>> 4 minima and 1 ts are known >>>>>>>>>>>>>>>>>>>>
 decide> Shortest path in Dijkstra has      3 steps with      2 missing connections, weight=     1355.4    
 decide> The unconnected minima in the chain and their distances are:
     2        9.37     4     3        8.08     1 
 

 tryconnect> Interpolation for minima 2_F and 4_U using 3 initial images  (interp attempt #1)  ...
 intlbfgs> Maximum number of steps for constraint potential phase is 300001
 intlbfgs> Total number of atoms moving less than threshold=    71
 intlbfgs> Freezing     64 atoms
 intlbfgs> constrained potential finished, time=       0.0
 intlbfgs> switch on true potential at step     58 fraction=    0.990000 images=     3 time=       0.0
 intlbfgs> Allowing     25 further optimization steps
 intlbfgs> After     83 steps, energy/image=    -282.4270083     RMS=.8258982763     images=   3
 intlbfgs> First  minimum number      2
 intlbfgs> Second minimum number      4
 intlbfgs> DNEB for minima      2     4 dist=   12.41     Attempts, images and iterations=     0     3   105
 lbfgs> Final DNEB force constant      5.303213506    
 Double-ended search iterations= 105 RMS= 0.7095 Dev= 1.46% S= 10.62 time= 0.18
 Following    1 images are candidates for TS:    1  
 Converged to TS (number of iterations):         33
 DNEB run yielded 1 true transition state(s) time=   0.83

 >>>>>  Path run for ts 2 ...
 Plus  side of path:                     530 steps. Energy=    -288.3353430       time=       0.45
 Minus side of path:                     517 steps. Energy=    -287.9176388       time=       0.44

         E+        Ets - E+           Ets       Ets - E-           E-          S       D      gamma   ~N
     -288.3353430  2.5369         -285.7984505  2.1192         -287.9176388   6.012   5.449   7.627  10.358
        *NEW* (Placed in 5)                                     *NEW* (Placed in 6)
 Connection established between members of the U set.

 tryconnect> Interpolation for minima 1_S and 3_U using 3 initial images  (interp attempt #1)  ...
 intlbfgs> Maximum number of steps for constraint potential phase is 300001
 intlbfgs> Total number of atoms moving less than threshold=    69
 intlbfgs> Freezing     64 atoms
 intlbfgs> constrained potential finished, time=       0.0
 intlbfgs> switch on true potential at step     77 fraction=    0.990000 images=     3 time=       0.0
 intlbfgs> Allowing     25 further optimization steps
 intlbfgs> After    102 steps, energy/image=    -217.9096739     RMS=27.17483648     images=   3
 intlbfgs> First  minimum number      1
 intlbfgs> Second minimum number      3
 intlbfgs> DNEB for minima      1     3 dist=   17.39     Attempts, images and iterations=     0     5   175
 lbfgs> Final DNEB force constant      3.589423646    
 Double-ended search iterations= 175 RMS= 0.4908 Dev= 0.54% S= 10.80 time= 0.51
 Following    1 images are candidates for TS:    3  
 Converged to TS (number of iterations):         31
 DNEB run yielded 1 true transition state(s) time=   0.75

 >>>>>  Path run for ts 3 ...
 Plus  side of path:                     482 steps. Energy=    -286.4473759       time=       0.39
 Minus side of path:                     493 steps. Energy=    -288.5233623       time=       0.40

         E+        Ets - E+           Ets       Ets - E-           E-          S       D      gamma   ~N
     -286.4473759  1.9490         -284.4984041  4.0250         -288.5233623  11.147   5.296  12.304   6.421
        *NEW* (Placed in 7)                                     Known (#1)
 checkperc> Increasing con cutoff atoms    26   27 from     0.10725E-01 to     0.14564E-01 ref=     1.7257    
 Unconnected minimum 7 found its way to S set.
 >>>>>>>>>>>>>>>>>>>>> CONNECT CYCLE 3 >>>>>>>>>>>>>>>>>>>>> 7 minima and 3 ts are known >>>>>>>>>>>>>>>>>>>>
 decide> Shortest path in Dijkstra has      2 steps with      1 missing connections, weight=     634.29    
 decide> The unconnected minima in the chain and their distances are:
     2        8.58     7 
 

 tryconnect> Interpolation for minima 2_F and 7_S using 3 initial images  (interp attempt #1)  ...
 intlbfgs> Maximum number of steps for constraint potential phase is 300001
 intlbfgs> Total number of atoms moving less than threshold=    69
 intlbfgs> Freezing     64 atoms
 intlbfgs> constrained potential finished, time=       0.0
 intlbfgs> switch on true potential at step     48 fraction=    0.990000 images=     3 time=       0.0
 intlbfgs> Allowing     25 further optimization steps
 intlbfgs> After     73 steps, energy/image=    -281.8245152     RMS=.8526893081     images=   3
 intlbfgs> First  minimum number      2
 intlbfgs> Second minimum number      7
 intlbfgs> DNEB for minima      2     7 dist=   12.53     Attempts, images and iterations=     0     3   105
 lbfgs> Final DNEB force constant      8.638375985    
 Double-ended search iterations= 105 RMS= 1.5370 Dev= 2.75% S= 10.27 time= 0.18
 Following    1 images are candidates for TS:    2  
 Converged to TS (number of iterations):         34
 DNEB run yielded 1 true transition state(s) time=   0.77

 >>>>>  Path run for ts 4 ...
 Plus  side of path:                     492 steps. Energy=    -288.5092132       time=       0.40
 Minus side of path:                     477 steps. Energy=    -288.5233623       time=       0.38

         E+        Ets - E+           Ets       Ets - E-           E-          S       D      gamma   ~N
     -288.5092132 0.98185         -287.5273603 0.99600         -288.5233623   2.875   2.709  27.527   2.870
        *NEW* (Placed in 8)                                     *NEW* (Placed in 9)
 checkperc> Increasing con cutoff atoms    72   74 from     0.42772E-02 to     0.48902E-02 ref=     2.3821    
 checkperc> Increasing con cutoff atoms    72   74 from     0.48902E-02 to     0.48923E-02 ref=     2.3821    
 Connection established between members of the U set.
 >>>>>>>>>>>>>>>>>>>>> CONNECT CYCLE 4 >>>>>>>>>>>>>>>>>>>>> 9 minima and 4 ts are known >>>>>>>>>>>>>>>>>>>>
 decide> Shortest path in Dijkstra has      4 steps with      2 missing connections, weight=     459.22    
 decide> The unconnected minima in the chain and their distances are:
     2        7.58     8     9        2.83     7 
 

 tryconnect> Interpolation for minima 2_F and 8_U using 3 initial images  (interp attempt #1)  ...
 intlbfgs> Maximum number of steps for constraint potential phase is 300001
 intlbfgs> Total number of atoms moving less than threshold=    73
 intlbfgs> Freezing     64 atoms
 intlbfgs> constrained potential finished, time=       0.0
 intlbfgs> switch on true potential at step     42 fraction=    0.990000 images=     3 time=       0.0
 intlbfgs> Allowing     25 further optimization steps
 intlbfgs> After     67 steps, energy/image=    -283.4612234     RMS=2.943932533     images=   3
 intlbfgs> First  minimum number      2
 intlbfgs> Second minimum number      8
 intlbfgs> DNEB for minima      2     8 dist=   9.729     Attempts, images and iterations=     0     2    70
 lbfgs> Final DNEB force constant      6.768393620    
 Double-ended search iterations= 70 RMS= 1.1190 Dev= 0.45% S= 8.81 time= 0.08
 Following    1 images are candidates for TS:    1  
 Converged to TS (number of iterations):         42
 DNEB run yielded 1 true transition state(s) time=   0.81

 >>>>>  Path run for ts 5 ...
 Plus  side of path:                     485 steps. Energy=    -288.3199581       time=       0.39
 Minus side of path:                     482 steps. Energy=    -288.2735181       time=       0.38

         E+        Ets - E+           Ets       Ets - E-           E-          S       D      gamma   ~N
     -288.3199581 0.27138         -288.0485743 0.22494         -288.2735181   5.696   5.481   7.837  10.080
        Known (#2)                                              *NEW* (Placed in 10)
 checkperc> Increasing con cutoff atoms    32   44 from     0.52364E-01 to     0.52979E-01 ref=     3.8104    
 Unconnected minimum 10 found its way to F set.

 tryconnect> Interpolation for minima 7_S and 9_U using 3 initial images  (interp attempt #1)  ...
 intlbfgs> Maximum number of steps for constraint potential phase is 300001
 intlbfgs> Total number of atoms moving less than threshold=    78
 intlbfgs> Freezing     64 atoms
 intlbfgs> constrained potential finished, time=       0.0
 intlbfgs> switch on true potential at step     16 fraction=    0.990000 images=     3 time=       0.0
 intlbfgs> Allowing     25 further optimization steps
 intlbfgs> After     41 steps, energy/image=    -283.2723801     RMS=.2557315133     images=   3
 intlbfgs> First  minimum number      7
 intlbfgs> Second minimum number      9
 intlbfgs> DNEB for minima      7     9 dist=   3.180     Attempts, images and iterations=     0     2    70
 lbfgs> Final DNEB force constant      7.462153966    
 Double-ended search iterations= 70 RMS= 0.1807 Dev= 2.01% S= 2.94 time= 0.08
 Following    1 images are candidates for TS:    1  
 Converged to TS (number of iterations):         15
 DNEB run yielded 1 true transition state(s) time=   0.51

 >>>>>  Path run for ts 6 ...
 Plus  side of path:                     442 steps. Energy=    -286.4473759       time=       0.35
 Minus side of path:                     472 steps. Energy=    -288.5233623       time=       0.38

         E+        Ets - E+           Ets       Ets - E-           E-          S       D      gamma   ~N
     -286.4473759 0.29211         -286.1552613  2.3681         -288.5233623   2.997   2.826   5.136  15.381
        Known (#7)                                              Known (#9)
 Unconnected minimum 9 found its way to S set.
 >>>>>>>>>>>>>>>>>>>>> CONNECT CYCLE 5 >>>>>>>>>>>>>>>>>>>>> 10 minima and 6 ts are known >>>>>>>>>>>>>>>>>>>
 decide> Shortest path in Dijkstra has      3 steps with      1 missing connections, weight=     493.53    
 decide> The unconnected minima in the chain and their distances are:
     2        7.89     9 
 

 tryconnect> Interpolation for minima 2_F and 9_S using 3 initial images  (interp attempt #1)  ...
 intlbfgs> Maximum number of steps for constraint potential phase is 300001
 intlbfgs> Total number of atoms moving less than threshold=    71
 intlbfgs> Freezing     64 atoms
 intlbfgs> constrained potential finished, time=       0.0
 intlbfgs> switch on true potential at step     28 fraction=    0.990000 images=     3 time=       0.0
 intlbfgs> Allowing     25 further optimization steps
 intlbfgs> After     53 steps, energy/image=    -270.0262627     RMS=10.52983076     images=   3
 intlbfgs> First  minimum number      2
 intlbfgs> Second minimum number      9
 intlbfgs> DNEB for minima      2     9 dist=   16.48     Attempts, images and iterations=     0     4   140
 lbfgs> Final DNEB force constant      7.462153966    
 Double-ended search iterations= 140 RMS= 0.4245 Dev= 1.19% S= 9.50 time= 0.32
 Following    1 images are candidates for TS:    2  
 Converged to TS (number of iterations):         48
 DNEB run yielded 1 true transition state(s) time=   0.96
 isnewts> transition state is the same as number        4 energy=     -287.5273602504
 tryconnect> Try the path again for ts      1 with pushoff=    0.1000000000E-01

 >>>>>  Path run for ts 7 ...
 tryconnect> Trying this transition state path again with pushoff=    0.1000000000E-01
 Plus  side of path:                     458 steps. Energy=    -288.5233623       time=       0.36
 Minus side of path:                     485 steps. Energy=    -288.5092132       time=       0.39

         E+        Ets - E+           Ets       Ets - E-           E-          S       D      gamma   ~N
     -288.5233623 0.99600         -287.5273603 0.98185         -288.5092132   2.875   2.709  27.531   2.870
        Known (#9)                                              Known (#8)
 Alternative path found between members of the S set.
 >>>>>>>>>>>>>>>>>>>>> CONNECT CYCLE 6 >>>>>>>>>>>>>>>>>>>>> 10 minima and 7 ts are known >>>>>>>>>>>>>>>>>>>
 decide> Shortest path in Dijkstra has      5 steps with      2 missing connections, weight=     530.61    
 decide> The unconnected minima in the chain and their distances are:
     2        2.44     6     6        8.01     8 
 

 tryconnect> Interpolation for minima 2_F and 6_U using 3 initial images  (interp attempt #1)  ...
 intlbfgs> Maximum number of steps for constraint potential phase is 300001
 intlbfgs> Total number of atoms moving less than threshold=    77
 intlbfgs> Freezing     64 atoms
 intlbfgs> constrained potential finished, time=       0.0
 intlbfgs> switch on true potential at step     16 fraction=    0.990000 images=     3 time=       0.0
 intlbfgs> Allowing     25 further optimization steps
 intlbfgs> After     41 steps, energy/image=    -285.2881341     RMS=.1597677476     images=   3
 intlbfgs> First  minimum number      2
 intlbfgs> Second minimum number      6
 intlbfgs> DNEB for minima      2     6 dist=   3.734     Attempts, images and iterations=     0     2    70
 lbfgs> Final DNEB force constant      9.070294785    
 Double-ended search iterations= 70 RMS= 0.0819 Dev= 0.83% S= 2.45 time= 0.08
 Following    1 images are candidates for TS:    2  
 Converged to TS (number of iterations):         13
 DNEB run yielded 1 true transition state(s) time=   0.54

 >>>>>  Path run for ts 8 ...
 Plus  side of path:                     496 steps. Energy=    -288.3199581       time=       0.40
 Minus side of path:                     510 steps. Energy=    -287.9176388       time=       0.42

         E+        Ets - E+           Ets       Ets - E-           E-          S       D      gamma   ~N
     -288.3199581 0.44946         -287.8704974 0.47141E-01     -287.9176388   2.533   2.440   8.690   9.091
        Known (#2)                                              Known (#6)
 Unconnected minimum 6 found its way to F set.

 tryconnect> Interpolation for minima 6_F and 8_S using 3 initial images  (interp attempt #1)  ...
 intlbfgs> Maximum number of steps for constraint potential phase is 300001
 intlbfgs> Total number of atoms moving less than threshold=    69
 intlbfgs> Freezing     64 atoms
 intlbfgs> constrained potential finished, time=       0.0
 intlbfgs> switch on true potential at step     70 fraction=    0.990000 images=     3 time=       0.0
 intlbfgs> Allowing     25 further optimization steps
 intlbfgs> After     95 steps, energy/image=    -282.6616665     RMS=.7523339751     images=   3
 intlbfgs> First  minimum number      6
 intlbfgs> Second minimum number      8
 intlbfgs> DNEB for minima      6     8 dist=   13.01     Attempts, images and iterations=     0     3   105
 lbfgs> Final DNEB force constant      7.835261665    
 Double-ended search iterations= 105 RMS= 0.4743 Dev= 2.34% S= 9.45 time= 0.18
 Following    1 images are candidates for TS:    2  
 Converged to TS (number of iterations):         44
 DNEB run yielded 1 true transition state(s) time=   0.89

 >>>>>  Path run for ts 9 ...
 Plus  side of path:                     554 steps. Energy=    -288.5092132       time=       0.48
 Minus side of path:                     507 steps. Energy=    -292.4752365       time=       0.41

         E+        Ets - E+           Ets       Ets - E-           E-          S       D      gamma   ~N
     -288.5092132  2.9956         -285.5136616  6.9616         -292.4752365  16.967   9.545  13.359   5.914
        Known (#8)                                              *NEW* (Placed in 11)
 checkperc> Increasing con cutoff atoms    13   14 from     0.17388E-01 to     0.17803E-01 ref=     2.2083    
 Unconnected minimum 11 found its way to S set.
 >>>>>>>>>>>>>>>>>>>>> CONNECT CYCLE 7 >>>>>>>>>>>>>>>>>>>>> 11 minima and 9 ts are known >>>>>>>>>>>>>>>>>>>
 decide> Shortest path in Dijkstra has      5 steps with      1 missing connections, weight=     460.33    
 decide> The unconnected minima in the chain and their distances are:
     2        7.71    11 
 

 tryconnect> Interpolation for minima 2_F and 11_S using 3 initial images  (interp attempt #1)  ...
 intlbfgs> Maximum number of steps for constraint potential phase is 300001
 intlbfgs> Total number of atoms moving less than threshold=    74
 intlbfgs> Freezing     64 atoms
 intlbfgs> constrained potential finished, time=       0.0
 intlbfgs> switch on true potential at step     39 fraction=    0.990000 images=     3 time=       0.0
 intlbfgs> Allowing     25 further optimization steps
 intlbfgs> After     64 steps, energy/image=    -284.6070092     RMS=.9459576885     images=   3
 intlbfgs> First  minimum number      2
 intlbfgs> Second minimum number     11
 intlbfgs> DNEB for minima      2    11 dist=   8.976     Attempts, images and iterations=     0     2    70
 lbfgs> Final DNEB force constant      5.050679530    
 Double-ended search iterations= 70 RMS= 0.3480 Dev= 0.09% S= 8.17 time= 0.08
 Following    1 images are candidates for TS:    1  
 Converged to TS (number of iterations):         16
 DNEB run yielded 1 true transition state(s) time=   0.57

 >>>>>  Path run for ts 10 ...
 Plus  side of path:                     486 steps. Energy=    -292.4752365       time=       0.39
 Minus side of path:                     489 steps. Energy=    -288.3199581       time=       0.39

         E+        Ets - E+           Ets       Ets - E-           E-          S       D      gamma   ~N
     -292.4752365  4.8360         -287.6392499 0.68071         -288.3199581   8.336   7.718  14.576   5.420
        Known (#11)                                             Known (#2)
 Connected path found
  ts        E+         Ets - E+          Ets       Ets - E-          E-          S       D      gamma   ~N
   3     -288.5233623  4.0250        -284.4984041  1.9490        -286.4473759  11.147   5.296  12.304   6.421
   6     -286.4473759 0.29211        -286.1552613  2.3681        -288.5233623   2.997   2.826   5.136  15.381
   4     -288.5233623 0.99600        -287.5273603 0.98185        -288.5092132   2.875   2.709  27.527   2.870
   9     -288.5092132  2.9956        -285.5136616  6.9616        -292.4752365  16.967   9.545  13.359   5.914
  10     -292.4752365  4.8360        -287.6392499 0.68071        -288.3199581   8.336   7.718  14.576   5.420

 Number of TS in the path       =      5
 Number of cycles               =      7

 Elapsed time=                                19.81
 OPTIM> # of energy calls=                         20 time=           0.01 %=  0.1
 OPTIM> # of energy+gradient calls=             19351 time=          10.43 %= 52.7
 OPTIM> # of energy+gradient+Hessian calls=       325 time=           0.35 %=  1.7
