TSTP Solution File: SWC363-1 by E-SAT---3.1

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : E-SAT---3.1
% Problem  : SWC363-1 : TPTP v8.1.2. Released v2.4.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_E %s %d THM

% Computer : n032.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8042.1875MB
% OS       : Linux 3.10.0-693.el7.x86_64
% CPULimit : 2400s
% WCLimit  : 300s
% DateTime : Tue Oct 10 19:42:46 EDT 2023

% Result   : Unsatisfiable 1.55s 0.64s
% Output   : CNFRefutation 1.55s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   12
%            Number of leaves      :   21
% Syntax   : Number of clauses     :   63 (  27 unt;   4 nHn;  53 RR)
%            Number of literals    :  151 (  26 equ;  92 neg)
%            Maximal clause size   :    7 (   2 avg)
%            Maximal term depth    :    4 (   1 avg)
%            Number of predicates  :    8 (   6 usr;   1 prp; 0-2 aty)
%            Number of functors    :   10 (  10 usr;   6 con; 0-2 aty)
%            Number of variables   :   79 (  14 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(co1_7,negated_conjecture,
    neq(sk2,nil),
    file('/export/starexec/sandbox2/tmp/tmp.gG8VgqiHFx/E---3.1_32261.p',co1_7) ).

cnf(co1_5,negated_conjecture,
    sk2 = sk4,
    file('/export/starexec/sandbox2/tmp/tmp.gG8VgqiHFx/E---3.1_32261.p',co1_5) ).

cnf(co1_11,negated_conjecture,
    ( cons(sk5,nil) = sk3
    | ~ neq(sk4,nil) ),
    file('/export/starexec/sandbox2/tmp/tmp.gG8VgqiHFx/E---3.1_32261.p',co1_11) ).

cnf(co1_10,negated_conjecture,
    ( ssItem(sk5)
    | ~ neq(sk4,nil) ),
    file('/export/starexec/sandbox2/tmp/tmp.gG8VgqiHFx/E---3.1_32261.p',co1_10) ).

cnf(clause120,axiom,
    ( app(cons(X1,nil),X2) = cons(X1,X2)
    | ~ ssItem(X1)
    | ~ ssList(X2) ),
    file('/export/starexec/sandbox2/tmp/tmp.gG8VgqiHFx/E---3.1_32261.p',clause120) ).

cnf(co1_1,negated_conjecture,
    ssList(sk1),
    file('/export/starexec/sandbox2/tmp/tmp.gG8VgqiHFx/E---3.1_32261.p',co1_1) ).

cnf(co1_6,negated_conjecture,
    sk1 = sk3,
    file('/export/starexec/sandbox2/tmp/tmp.gG8VgqiHFx/E---3.1_32261.p',co1_6) ).

cnf(clause179,axiom,
    ( app(app(X1,cons(X2,X3)),cons(X2,X4)) != X5
    | ~ ssList(X4)
    | ~ ssList(X3)
    | ~ ssList(X1)
    | ~ ssItem(X2)
    | ~ duplicatefreeP(X5)
    | ~ ssList(X5) ),
    file('/export/starexec/sandbox2/tmp/tmp.gG8VgqiHFx/E---3.1_32261.p',clause179) ).

cnf(clause74,axiom,
    ( app(nil,X1) = X1
    | ~ ssList(X1) ),
    file('/export/starexec/sandbox2/tmp/tmp.gG8VgqiHFx/E---3.1_32261.p',clause74) ).

cnf(clause8,axiom,
    ssList(nil),
    file('/export/starexec/sandbox2/tmp/tmp.gG8VgqiHFx/E---3.1_32261.p',clause8) ).

cnf(clause86,axiom,
    ( ssList(cons(X1,X2))
    | ~ ssItem(X1)
    | ~ ssList(X2) ),
    file('/export/starexec/sandbox2/tmp/tmp.gG8VgqiHFx/E---3.1_32261.p',clause86) ).

cnf(clause85,axiom,
    ( ssList(app(X2,X1))
    | ~ ssList(X1)
    | ~ ssList(X2) ),
    file('/export/starexec/sandbox2/tmp/tmp.gG8VgqiHFx/E---3.1_32261.p',clause85) ).

cnf(clause72,axiom,
    ( duplicatefreeP(X1)
    | ssItem(X2)
    | ~ ssList(X1) ),
    file('/export/starexec/sandbox2/tmp/tmp.gG8VgqiHFx/E---3.1_32261.p',clause72) ).

cnf(clause173,axiom,
    ( segmentP(X4,X2)
    | app(app(X1,X2),X3) != X4
    | ~ ssList(X3)
    | ~ ssList(X1)
    | ~ ssList(X2)
    | ~ ssList(X4) ),
    file('/export/starexec/sandbox2/tmp/tmp.gG8VgqiHFx/E---3.1_32261.p',clause173) ).

cnf(clause149,axiom,
    ( app(app(X3,X2),X1) = app(X3,app(X2,X1))
    | ~ ssList(X1)
    | ~ ssList(X2)
    | ~ ssList(X3) ),
    file('/export/starexec/sandbox2/tmp/tmp.gG8VgqiHFx/E---3.1_32261.p',clause149) ).

cnf(clause169,axiom,
    ( app(skaf42(X1,X2),cons(X2,skaf43(X2,X1))) = X1
    | ~ memberP(X1,X2)
    | ~ ssItem(X2)
    | ~ ssList(X1) ),
    file('/export/starexec/sandbox2/tmp/tmp.gG8VgqiHFx/E---3.1_32261.p',clause169) ).

cnf(co1_8,negated_conjecture,
    ~ segmentP(sk2,sk1),
    file('/export/starexec/sandbox2/tmp/tmp.gG8VgqiHFx/E---3.1_32261.p',co1_8) ).

cnf(clause52,axiom,
    ssList(skaf43(X1,X2)),
    file('/export/starexec/sandbox2/tmp/tmp.gG8VgqiHFx/E---3.1_32261.p',clause52) ).

cnf(clause53,axiom,
    ssList(skaf42(X1,X2)),
    file('/export/starexec/sandbox2/tmp/tmp.gG8VgqiHFx/E---3.1_32261.p',clause53) ).

cnf(co1_12,negated_conjecture,
    ( memberP(sk4,sk5)
    | ~ neq(sk4,nil) ),
    file('/export/starexec/sandbox2/tmp/tmp.gG8VgqiHFx/E---3.1_32261.p',co1_12) ).

cnf(co1_2,negated_conjecture,
    ssList(sk2),
    file('/export/starexec/sandbox2/tmp/tmp.gG8VgqiHFx/E---3.1_32261.p',co1_2) ).

cnf(c_0_21,negated_conjecture,
    neq(sk2,nil),
    co1_7 ).

cnf(c_0_22,negated_conjecture,
    sk2 = sk4,
    co1_5 ).

cnf(c_0_23,negated_conjecture,
    ( cons(sk5,nil) = sk3
    | ~ neq(sk4,nil) ),
    co1_11 ).

cnf(c_0_24,negated_conjecture,
    neq(sk4,nil),
    inference(rw,[status(thm)],[c_0_21,c_0_22]) ).

cnf(c_0_25,negated_conjecture,
    ( ssItem(sk5)
    | ~ neq(sk4,nil) ),
    co1_10 ).

cnf(c_0_26,axiom,
    ( app(cons(X1,nil),X2) = cons(X1,X2)
    | ~ ssItem(X1)
    | ~ ssList(X2) ),
    clause120 ).

cnf(c_0_27,negated_conjecture,
    cons(sk5,nil) = sk3,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_23,c_0_24])]) ).

cnf(c_0_28,negated_conjecture,
    ssItem(sk5),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_25,c_0_24])]) ).

cnf(c_0_29,negated_conjecture,
    ssList(sk1),
    co1_1 ).

cnf(c_0_30,negated_conjecture,
    sk1 = sk3,
    co1_6 ).

cnf(c_0_31,axiom,
    ( app(app(X1,cons(X2,X3)),cons(X2,X4)) != X5
    | ~ ssList(X4)
    | ~ ssList(X3)
    | ~ ssList(X1)
    | ~ ssItem(X2)
    | ~ duplicatefreeP(X5)
    | ~ ssList(X5) ),
    clause179 ).

cnf(c_0_32,axiom,
    ( app(nil,X1) = X1
    | ~ ssList(X1) ),
    clause74 ).

cnf(c_0_33,axiom,
    ssList(nil),
    clause8 ).

cnf(c_0_34,axiom,
    ( ssList(cons(X1,X2))
    | ~ ssItem(X1)
    | ~ ssList(X2) ),
    clause86 ).

cnf(c_0_35,axiom,
    ( ssList(app(X2,X1))
    | ~ ssList(X1)
    | ~ ssList(X2) ),
    clause85 ).

cnf(c_0_36,negated_conjecture,
    ( app(sk3,X1) = cons(sk5,X1)
    | ~ ssList(X1) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_26,c_0_27]),c_0_28])]) ).

cnf(c_0_37,negated_conjecture,
    ssList(sk3),
    inference(rw,[status(thm)],[c_0_29,c_0_30]) ).

cnf(c_0_38,plain,
    ( app(cons(X1,X2),cons(X1,X3)) != X4
    | ~ ssItem(X1)
    | ~ ssList(X4)
    | ~ ssList(X3)
    | ~ ssList(X2)
    | ~ duplicatefreeP(X4) ),
    inference(csr,[status(thm)],[inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_31,c_0_32]),c_0_33])]),c_0_34]) ).

cnf(c_0_39,axiom,
    ( duplicatefreeP(X1)
    | ssItem(X2)
    | ~ ssList(X1) ),
    clause72 ).

cnf(c_0_40,negated_conjecture,
    ( ssList(cons(sk5,X1))
    | ~ ssList(X1) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_35,c_0_36]),c_0_37])]) ).

cnf(c_0_41,plain,
    ( cons(X1,cons(X1,X2)) != X3
    | ~ ssItem(X1)
    | ~ ssList(X3)
    | ~ ssList(X2)
    | ~ duplicatefreeP(X3) ),
    inference(csr,[status(thm)],[inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_38,c_0_26]),c_0_33])]),c_0_34]) ).

cnf(c_0_42,negated_conjecture,
    ( ssItem(X1)
    | duplicatefreeP(cons(sk5,X2))
    | ~ ssList(X2) ),
    inference(spm,[status(thm)],[c_0_39,c_0_40]) ).

cnf(c_0_43,negated_conjecture,
    ( cons(sk5,sk3) != X1
    | ~ ssList(X1)
    | ~ duplicatefreeP(X1) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_41,c_0_27]),c_0_28]),c_0_33])]) ).

cnf(c_0_44,negated_conjecture,
    ( ssItem(X1)
    | duplicatefreeP(cons(sk5,sk3)) ),
    inference(spm,[status(thm)],[c_0_42,c_0_37]) ).

cnf(c_0_45,axiom,
    ( segmentP(X4,X2)
    | app(app(X1,X2),X3) != X4
    | ~ ssList(X3)
    | ~ ssList(X1)
    | ~ ssList(X2)
    | ~ ssList(X4) ),
    clause173 ).

cnf(c_0_46,axiom,
    ( app(app(X3,X2),X1) = app(X3,app(X2,X1))
    | ~ ssList(X1)
    | ~ ssList(X2)
    | ~ ssList(X3) ),
    clause149 ).

cnf(c_0_47,negated_conjecture,
    ( ssItem(X1)
    | ~ ssList(cons(sk5,sk3)) ),
    inference(spm,[status(thm)],[c_0_43,c_0_44]) ).

cnf(c_0_48,plain,
    ( segmentP(X1,X2)
    | app(X3,app(X2,X4)) != X1
    | ~ ssList(X1)
    | ~ ssList(X4)
    | ~ ssList(X2)
    | ~ ssList(X3) ),
    inference(spm,[status(thm)],[c_0_45,c_0_46]) ).

cnf(c_0_49,axiom,
    ( app(skaf42(X1,X2),cons(X2,skaf43(X2,X1))) = X1
    | ~ memberP(X1,X2)
    | ~ ssItem(X2)
    | ~ ssList(X1) ),
    clause169 ).

cnf(c_0_50,negated_conjecture,
    ssItem(X1),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_47,c_0_34]),c_0_28]),c_0_37])]) ).

cnf(c_0_51,negated_conjecture,
    ~ segmentP(sk2,sk1),
    co1_8 ).

cnf(c_0_52,negated_conjecture,
    ( segmentP(X1,sk3)
    | app(X2,cons(sk5,X3)) != X1
    | ~ ssList(X1)
    | ~ ssList(X3)
    | ~ ssList(X2) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_48,c_0_36]),c_0_37])]) ).

cnf(c_0_53,plain,
    ( app(skaf42(X1,X2),cons(X2,skaf43(X2,X1))) = X1
    | ~ memberP(X1,X2)
    | ~ ssList(X1) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_49,c_0_50])]) ).

cnf(c_0_54,axiom,
    ssList(skaf43(X1,X2)),
    clause52 ).

cnf(c_0_55,axiom,
    ssList(skaf42(X1,X2)),
    clause53 ).

cnf(c_0_56,negated_conjecture,
    ( memberP(sk4,sk5)
    | ~ neq(sk4,nil) ),
    co1_12 ).

cnf(c_0_57,negated_conjecture,
    ssList(sk2),
    co1_2 ).

cnf(c_0_58,negated_conjecture,
    ~ segmentP(sk4,sk3),
    inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_51,c_0_30]),c_0_22]) ).

cnf(c_0_59,negated_conjecture,
    ( segmentP(X1,sk3)
    | ~ memberP(X1,sk5)
    | ~ ssList(X1) ),
    inference(er,[status(thm)],[inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_52,c_0_53]),c_0_54]),c_0_55])])]) ).

cnf(c_0_60,negated_conjecture,
    memberP(sk4,sk5),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_56,c_0_24])]) ).

cnf(c_0_61,negated_conjecture,
    ssList(sk4),
    inference(rw,[status(thm)],[c_0_57,c_0_22]) ).

cnf(c_0_62,negated_conjecture,
    $false,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_58,c_0_59]),c_0_60]),c_0_61])]),
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.05/0.08  % Problem    : SWC363-1 : TPTP v8.1.2. Released v2.4.0.
% 0.05/0.09  % Command    : run_E %s %d THM
% 0.08/0.28  % Computer : n032.cluster.edu
% 0.08/0.28  % Model    : x86_64 x86_64
% 0.08/0.28  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.08/0.28  % Memory   : 8042.1875MB
% 0.08/0.28  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.08/0.28  % CPULimit   : 2400
% 0.08/0.28  % WCLimit    : 300
% 0.08/0.28  % DateTime   : Tue Oct  3 02:03:50 EDT 2023
% 0.08/0.28  % CPUTime    : 
% 0.12/0.38  Running first-order model finding
% 0.12/0.38  Running: /export/starexec/sandbox2/solver/bin/eprover --delete-bad-limit=2000000000 --definitional-cnf=24 -s --print-statistics -R --print-version --proof-object --satauto-schedule=8 --cpu-limit=300 /export/starexec/sandbox2/tmp/tmp.gG8VgqiHFx/E---3.1_32261.p
% 1.55/0.64  # Version: 3.1pre001
% 1.55/0.64  # Preprocessing class: FSLSSMSMSSSNFFN.
% 1.55/0.64  # Scheduled 4 strats onto 8 cores with 300 seconds (2400 total)
% 1.55/0.64  # Starting C07_19_nc_SOS_SAT001_MinMin_p005000_rr with 1500s (5) cores
% 1.55/0.64  # Starting new_bool_3 with 300s (1) cores
% 1.55/0.64  # Starting new_bool_1 with 300s (1) cores
% 1.55/0.64  # Starting sh5l with 300s (1) cores
% 1.55/0.64  # C07_19_nc_SOS_SAT001_MinMin_p005000_rr with pid 32408 completed with status 0
% 1.55/0.64  # Result found by C07_19_nc_SOS_SAT001_MinMin_p005000_rr
% 1.55/0.64  # Preprocessing class: FSLSSMSMSSSNFFN.
% 1.55/0.64  # Scheduled 4 strats onto 8 cores with 300 seconds (2400 total)
% 1.55/0.64  # Starting C07_19_nc_SOS_SAT001_MinMin_p005000_rr with 1500s (5) cores
% 1.55/0.64  # No SInE strategy applied
% 1.55/0.64  # Search class: FGHSM-FSLM21-MFFFFFNN
% 1.55/0.64  # Scheduled 9 strats onto 5 cores with 1500 seconds (1500 total)
% 1.55/0.64  # Starting G-E--_208_C18_F1_SE_CS_SP_PS_S2s with 406s (1) cores
% 1.55/0.64  # Starting C07_19_nc_SOS_SAT001_MinMin_p005000_rr with 151s (1) cores
% 1.55/0.64  # Starting G-E--_200_B02_F1_SE_CS_SP_PI_S2k with 136s (1) cores
% 1.55/0.64  # Starting G-E--_301_C18_F1_URBAN_S5PRR_RG_S04BN with 136s (1) cores
% 1.55/0.64  # Starting G-E--_200_B02_F1_SE_CS_SP_PI_S0S with 136s (1) cores
% 1.55/0.64  # G-E--_301_C18_F1_URBAN_S5PRR_RG_S04BN with pid 32420 completed with status 0
% 1.55/0.64  # Result found by G-E--_301_C18_F1_URBAN_S5PRR_RG_S04BN
% 1.55/0.64  # Preprocessing class: FSLSSMSMSSSNFFN.
% 1.55/0.64  # Scheduled 4 strats onto 8 cores with 300 seconds (2400 total)
% 1.55/0.64  # Starting C07_19_nc_SOS_SAT001_MinMin_p005000_rr with 1500s (5) cores
% 1.55/0.64  # No SInE strategy applied
% 1.55/0.64  # Search class: FGHSM-FSLM21-MFFFFFNN
% 1.55/0.64  # Scheduled 9 strats onto 5 cores with 1500 seconds (1500 total)
% 1.55/0.64  # Starting G-E--_208_C18_F1_SE_CS_SP_PS_S2s with 406s (1) cores
% 1.55/0.64  # Starting C07_19_nc_SOS_SAT001_MinMin_p005000_rr with 151s (1) cores
% 1.55/0.64  # Starting G-E--_200_B02_F1_SE_CS_SP_PI_S2k with 136s (1) cores
% 1.55/0.64  # Starting G-E--_301_C18_F1_URBAN_S5PRR_RG_S04BN with 136s (1) cores
% 1.55/0.64  # Preprocessing time       : 0.003 s
% 1.55/0.64  
% 1.55/0.64  # Proof found!
% 1.55/0.64  # SZS status Unsatisfiable
% 1.55/0.64  # SZS output start CNFRefutation
% See solution above
% 1.55/0.64  # Parsed axioms                        : 197
% 1.55/0.64  # Removed by relevancy pruning/SinE    : 0
% 1.55/0.64  # Initial clauses                      : 197
% 1.55/0.64  # Removed in clause preprocessing      : 0
% 1.55/0.64  # Initial clauses in saturation        : 197
% 1.55/0.64  # Processed clauses                    : 1449
% 1.55/0.64  # ...of these trivial                  : 37
% 1.55/0.64  # ...subsumed                          : 501
% 1.55/0.64  # ...remaining for further processing  : 911
% 1.55/0.64  # Other redundant clauses eliminated   : 80
% 1.55/0.64  # Clauses deleted for lack of memory   : 0
% 1.55/0.64  # Backward-subsumed                    : 127
% 1.55/0.64  # Backward-rewritten                   : 152
% 1.55/0.64  # Generated clauses                    : 11878
% 1.55/0.64  # ...of the previous two non-redundant : 11156
% 1.55/0.64  # ...aggressively subsumed             : 0
% 1.55/0.64  # Contextual simplify-reflections      : 48
% 1.55/0.64  # Paramodulations                      : 11500
% 1.55/0.64  # Factorizations                       : 184
% 1.55/0.64  # NegExts                              : 0
% 1.55/0.64  # Equation resolutions                 : 193
% 1.55/0.64  # Total rewrite steps                  : 5837
% 1.55/0.64  # Propositional unsat checks           : 0
% 1.55/0.64  #    Propositional check models        : 0
% 1.55/0.64  #    Propositional check unsatisfiable : 0
% 1.55/0.64  #    Propositional clauses             : 0
% 1.55/0.64  #    Propositional clauses after purity: 0
% 1.55/0.64  #    Propositional unsat core size     : 0
% 1.55/0.64  #    Propositional preprocessing time  : 0.000
% 1.55/0.64  #    Propositional encoding time       : 0.000
% 1.55/0.64  #    Propositional solver time         : 0.000
% 1.55/0.64  #    Success case prop preproc time    : 0.000
% 1.55/0.64  #    Success case prop encoding time   : 0.000
% 1.55/0.64  #    Success case prop solver time     : 0.000
% 1.55/0.64  # Current number of processed clauses  : 626
% 1.55/0.64  #    Positive orientable unit clauses  : 78
% 1.55/0.64  #    Positive unorientable unit clauses: 0
% 1.55/0.64  #    Negative unit clauses             : 16
% 1.55/0.64  #    Non-unit-clauses                  : 532
% 1.55/0.64  # Current number of unprocessed clauses: 9395
% 1.55/0.64  # ...number of literals in the above   : 42438
% 1.55/0.64  # Current number of archived formulas  : 0
% 1.55/0.64  # Current number of archived clauses   : 280
% 1.55/0.64  # Clause-clause subsumption calls (NU) : 68993
% 1.55/0.64  # Rec. Clause-clause subsumption calls : 17899
% 1.55/0.64  # Non-unit clause-clause subsumptions  : 451
% 1.55/0.64  # Unit Clause-clause subsumption calls : 2800
% 1.55/0.64  # Rewrite failures with RHS unbound    : 0
% 1.55/0.64  # BW rewrite match attempts            : 42
% 1.55/0.64  # BW rewrite match successes           : 33
% 1.55/0.64  # Condensation attempts                : 0
% 1.55/0.64  # Condensation successes               : 0
% 1.55/0.64  # Termbank termtop insertions          : 199096
% 1.55/0.64  
% 1.55/0.64  # -------------------------------------------------
% 1.55/0.64  # User time                : 0.211 s
% 1.55/0.64  # System time              : 0.005 s
% 1.55/0.64  # Total time               : 0.216 s
% 1.55/0.64  # Maximum resident set size: 2104 pages
% 1.55/0.64  
% 1.55/0.64  # -------------------------------------------------
% 1.55/0.64  # User time                : 1.095 s
% 1.55/0.64  # System time              : 0.050 s
% 1.55/0.64  # Total time               : 1.145 s
% 1.55/0.64  # Maximum resident set size: 1852 pages
% 1.55/0.64  % E---3.1 exiting
%------------------------------------------------------------------------------