TSTP Solution File: SWC023+1 by ET---2.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : ET---2.0
% Problem  : SWC023+1 : TPTP v8.1.0. Released v2.4.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_ET %s %d

% Computer : n025.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 : 300s
% WCLimit  : 600s
% DateTime : Tue Jul 19 20:26:13 EDT 2022

% Result   : Theorem 0.25s 1.43s
% Output   : CNFRefutation 0.25s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    9
%            Number of leaves      :    3
% Syntax   : Number of formulae    :   45 (  12 unt;   0 def)
%            Number of atoms       :  144 (  47 equ)
%            Maximal formula atoms :   27 (   3 avg)
%            Number of connectives :  142 (  43   ~;  62   |;  24   &)
%                                         (   1 <=>;  12  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   20 (   3 avg)
%            Maximal term depth    :    1 (   1 avg)
%            Number of predicates  :    5 (   3 usr;   1 prp; 0-2 aty)
%            Number of functors    :    6 (   6 usr;   6 con; 0-0 aty)
%            Number of variables   :   22 (   0 sgn  15   !;   2   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(co1,conjecture,
    ! [X1] :
      ( ssList(X1)
     => ! [X2] :
          ( ssList(X2)
         => ! [X3] :
              ( ssList(X3)
             => ! [X4] :
                  ( ssList(X4)
                 => ( X2 != X4
                    | X1 != X3
                    | ~ neq(X2,nil)
                    | ? [X5] :
                        ( ssList(X5)
                        & neq(X5,nil)
                        & frontsegP(X2,X5)
                        & frontsegP(X1,X5) )
                    | ( ! [X6] :
                          ( ssList(X6)
                         => ( ~ neq(X6,nil)
                            | ~ frontsegP(X4,X6)
                            | ~ frontsegP(X3,X6) ) )
                      & ( nil != X4
                        | nil != X3 ) ) ) ) ) ) ),
    file('/export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p.mepo_128.in',co1) ).

fof(ax42,axiom,
    ! [X1] :
      ( ssList(X1)
     => frontsegP(X1,X1) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001+0.ax',ax42) ).

fof(ax46,axiom,
    ! [X1] :
      ( ssList(X1)
     => ( frontsegP(nil,X1)
      <=> nil = X1 ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001+0.ax',ax46) ).

fof(c_0_3,negated_conjecture,
    ~ ! [X1] :
        ( ssList(X1)
       => ! [X2] :
            ( ssList(X2)
           => ! [X3] :
                ( ssList(X3)
               => ! [X4] :
                    ( ssList(X4)
                   => ( X2 != X4
                      | X1 != X3
                      | ~ neq(X2,nil)
                      | ? [X5] :
                          ( ssList(X5)
                          & neq(X5,nil)
                          & frontsegP(X2,X5)
                          & frontsegP(X1,X5) )
                      | ( ! [X6] :
                            ( ssList(X6)
                           => ( ~ neq(X6,nil)
                              | ~ frontsegP(X4,X6)
                              | ~ frontsegP(X3,X6) ) )
                        & ( nil != X4
                          | nil != X3 ) ) ) ) ) ) ),
    inference(assume_negation,[status(cth)],[co1]) ).

fof(c_0_4,negated_conjecture,
    ! [X11] :
      ( ssList(esk1_0)
      & ssList(esk2_0)
      & ssList(esk3_0)
      & ssList(esk4_0)
      & esk2_0 = esk4_0
      & esk1_0 = esk3_0
      & neq(esk2_0,nil)
      & ( ~ ssList(X11)
        | ~ neq(X11,nil)
        | ~ frontsegP(esk2_0,X11)
        | ~ frontsegP(esk1_0,X11) )
      & ( nil = esk4_0
        | ssList(esk5_0) )
      & ( nil = esk3_0
        | ssList(esk5_0) )
      & ( nil = esk4_0
        | neq(esk5_0,nil) )
      & ( nil = esk3_0
        | neq(esk5_0,nil) )
      & ( nil = esk4_0
        | frontsegP(esk4_0,esk5_0) )
      & ( nil = esk3_0
        | frontsegP(esk4_0,esk5_0) )
      & ( nil = esk4_0
        | frontsegP(esk3_0,esk5_0) )
      & ( nil = esk3_0
        | frontsegP(esk3_0,esk5_0) ) ),
    inference(distribute,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(skolemize,[status(esa)],[inference(shift_quantors,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[inference(fof_simplification,[status(thm)],[c_0_3])])])])])])])]) ).

cnf(c_0_5,negated_conjecture,
    ( neq(esk5_0,nil)
    | nil = esk3_0 ),
    inference(split_conjunct,[status(thm)],[c_0_4]) ).

cnf(c_0_6,negated_conjecture,
    esk1_0 = esk3_0,
    inference(split_conjunct,[status(thm)],[c_0_4]) ).

cnf(c_0_7,negated_conjecture,
    ( ssList(esk5_0)
    | nil = esk3_0 ),
    inference(split_conjunct,[status(thm)],[c_0_4]) ).

cnf(c_0_8,negated_conjecture,
    ( frontsegP(esk4_0,esk5_0)
    | nil = esk3_0 ),
    inference(split_conjunct,[status(thm)],[c_0_4]) ).

cnf(c_0_9,negated_conjecture,
    esk2_0 = esk4_0,
    inference(split_conjunct,[status(thm)],[c_0_4]) ).

cnf(c_0_10,negated_conjecture,
    ( frontsegP(esk3_0,esk5_0)
    | nil = esk3_0 ),
    inference(split_conjunct,[status(thm)],[c_0_4]) ).

cnf(c_0_11,negated_conjecture,
    ( ~ frontsegP(esk1_0,X1)
    | ~ frontsegP(esk2_0,X1)
    | ~ neq(X1,nil)
    | ~ ssList(X1) ),
    inference(split_conjunct,[status(thm)],[c_0_4]) ).

cnf(c_0_12,negated_conjecture,
    neq(esk2_0,nil),
    inference(split_conjunct,[status(thm)],[c_0_4]) ).

cnf(c_0_13,negated_conjecture,
    ssList(esk2_0),
    inference(split_conjunct,[status(thm)],[c_0_4]) ).

fof(c_0_14,plain,
    ! [X2] :
      ( ~ ssList(X2)
      | frontsegP(X2,X2) ),
    inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[ax42])]) ).

fof(c_0_15,plain,
    ! [X2] :
      ( ( ~ frontsegP(nil,X2)
        | nil = X2
        | ~ ssList(X2) )
      & ( nil != X2
        | frontsegP(nil,X2)
        | ~ ssList(X2) ) ),
    inference(distribute,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[ax46])])]) ).

cnf(c_0_16,negated_conjecture,
    ( nil = esk1_0
    | neq(esk5_0,nil) ),
    inference(rw,[status(thm)],[c_0_5,c_0_6]) ).

cnf(c_0_17,negated_conjecture,
    ( nil = esk1_0
    | ssList(esk5_0) ),
    inference(rw,[status(thm)],[c_0_7,c_0_6]) ).

cnf(c_0_18,negated_conjecture,
    ( nil = esk1_0
    | frontsegP(esk2_0,esk5_0) ),
    inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_8,c_0_6]),c_0_9]) ).

cnf(c_0_19,negated_conjecture,
    ( nil = esk1_0
    | frontsegP(esk1_0,esk5_0) ),
    inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_10,c_0_6]),c_0_6]) ).

cnf(c_0_20,negated_conjecture,
    ( neq(esk5_0,nil)
    | nil = esk4_0 ),
    inference(split_conjunct,[status(thm)],[c_0_4]) ).

cnf(c_0_21,negated_conjecture,
    ( ~ frontsegP(esk1_0,esk2_0)
    | ~ frontsegP(esk2_0,esk2_0) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_11,c_0_12]),c_0_13])]) ).

cnf(c_0_22,plain,
    ( frontsegP(X1,X1)
    | ~ ssList(X1) ),
    inference(split_conjunct,[status(thm)],[c_0_14]) ).

cnf(c_0_23,plain,
    ( frontsegP(nil,X1)
    | ~ ssList(X1)
    | nil != X1 ),
    inference(split_conjunct,[status(thm)],[c_0_15]) ).

cnf(c_0_24,negated_conjecture,
    nil = esk1_0,
    inference(csr,[status(thm)],[inference(csr,[status(thm)],[inference(csr,[status(thm)],[inference(spm,[status(thm)],[c_0_11,c_0_16]),c_0_17]),c_0_18]),c_0_19]) ).

cnf(c_0_25,negated_conjecture,
    ( frontsegP(esk3_0,esk5_0)
    | nil = esk4_0 ),
    inference(split_conjunct,[status(thm)],[c_0_4]) ).

cnf(c_0_26,negated_conjecture,
    ( frontsegP(esk4_0,esk5_0)
    | nil = esk4_0 ),
    inference(split_conjunct,[status(thm)],[c_0_4]) ).

cnf(c_0_27,negated_conjecture,
    ( ssList(esk5_0)
    | nil = esk4_0 ),
    inference(split_conjunct,[status(thm)],[c_0_4]) ).

cnf(c_0_28,negated_conjecture,
    ( nil = esk2_0
    | neq(esk5_0,nil) ),
    inference(rw,[status(thm)],[c_0_20,c_0_9]) ).

cnf(c_0_29,negated_conjecture,
    ~ frontsegP(esk1_0,esk2_0),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_21,c_0_22]),c_0_13])]) ).

cnf(c_0_30,plain,
    ( frontsegP(esk1_0,X1)
    | esk1_0 != X1
    | ~ ssList(X1) ),
    inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_23,c_0_24]),c_0_24]) ).

cnf(c_0_31,negated_conjecture,
    ( nil = esk2_0
    | frontsegP(esk1_0,esk5_0) ),
    inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_25,c_0_9]),c_0_6]) ).

cnf(c_0_32,negated_conjecture,
    ( nil = esk2_0
    | frontsegP(esk2_0,esk5_0) ),
    inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_26,c_0_9]),c_0_9]) ).

cnf(c_0_33,negated_conjecture,
    ( nil = esk2_0
    | ssList(esk5_0) ),
    inference(rw,[status(thm)],[c_0_27,c_0_9]) ).

cnf(c_0_34,negated_conjecture,
    ( esk2_0 = esk1_0
    | neq(esk5_0,esk1_0) ),
    inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_28,c_0_24]),c_0_24]) ).

cnf(c_0_35,negated_conjecture,
    esk2_0 != esk1_0,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_29,c_0_30]),c_0_13])]) ).

cnf(c_0_36,negated_conjecture,
    ( esk2_0 = esk1_0
    | frontsegP(esk1_0,esk5_0) ),
    inference(rw,[status(thm)],[c_0_31,c_0_24]) ).

cnf(c_0_37,negated_conjecture,
    ( esk2_0 = esk1_0
    | frontsegP(esk2_0,esk5_0) ),
    inference(rw,[status(thm)],[c_0_32,c_0_24]) ).

cnf(c_0_38,negated_conjecture,
    ( esk2_0 = esk1_0
    | ssList(esk5_0) ),
    inference(rw,[status(thm)],[c_0_33,c_0_24]) ).

cnf(c_0_39,negated_conjecture,
    ( ~ frontsegP(esk1_0,X1)
    | ~ frontsegP(esk2_0,X1)
    | ~ ssList(X1)
    | ~ neq(X1,esk1_0) ),
    inference(rw,[status(thm)],[c_0_11,c_0_24]) ).

cnf(c_0_40,negated_conjecture,
    neq(esk5_0,esk1_0),
    inference(sr,[status(thm)],[c_0_34,c_0_35]) ).

cnf(c_0_41,negated_conjecture,
    frontsegP(esk1_0,esk5_0),
    inference(sr,[status(thm)],[c_0_36,c_0_35]) ).

cnf(c_0_42,negated_conjecture,
    frontsegP(esk2_0,esk5_0),
    inference(sr,[status(thm)],[c_0_37,c_0_35]) ).

cnf(c_0_43,negated_conjecture,
    ssList(esk5_0),
    inference(sr,[status(thm)],[c_0_38,c_0_35]) ).

cnf(c_0_44,negated_conjecture,
    $false,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_39,c_0_40]),c_0_41]),c_0_42]),c_0_43])]),
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.12/0.13  % Problem  : SWC023+1 : TPTP v8.1.0. Released v2.4.0.
% 0.12/0.13  % Command  : run_ET %s %d
% 0.13/0.35  % Computer : n025.cluster.edu
% 0.13/0.35  % Model    : x86_64 x86_64
% 0.13/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.35  % Memory   : 8042.1875MB
% 0.13/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.35  % CPULimit : 300
% 0.13/0.35  % WCLimit  : 600
% 0.13/0.35  % DateTime : Sun Jun 12 06:56:38 EDT 2022
% 0.13/0.35  % CPUTime  : 
% 0.25/1.43  # Running protocol protocol_eprover_4a02c828a8cc55752123edbcc1ad40e453c11447 for 23 seconds:
% 0.25/1.43  # SinE strategy is GSinE(CountFormulas,hypos,1.4,,04,100,1.0)
% 0.25/1.43  # Preprocessing time       : 0.021 s
% 0.25/1.43  
% 0.25/1.43  # Proof found!
% 0.25/1.43  # SZS status Theorem
% 0.25/1.43  # SZS output start CNFRefutation
% See solution above
% 0.25/1.44  # Proof object total steps             : 45
% 0.25/1.44  # Proof object clause steps            : 38
% 0.25/1.44  # Proof object formula steps           : 7
% 0.25/1.44  # Proof object conjectures             : 38
% 0.25/1.44  # Proof object clause conjectures      : 35
% 0.25/1.44  # Proof object formula conjectures     : 3
% 0.25/1.44  # Proof object initial clauses used    : 15
% 0.25/1.44  # Proof object initial formulas used   : 3
% 0.25/1.44  # Proof object generating inferences   : 5
% 0.25/1.44  # Proof object simplifying inferences  : 37
% 0.25/1.44  # Training examples: 0 positive, 0 negative
% 0.25/1.44  # Parsed axioms                        : 96
% 0.25/1.44  # Removed by relevancy pruning/SinE    : 69
% 0.25/1.44  # Initial clauses                      : 56
% 0.25/1.44  # Removed in clause preprocessing      : 0
% 0.25/1.44  # Initial clauses in saturation        : 56
% 0.25/1.44  # Processed clauses                    : 83
% 0.25/1.44  # ...of these trivial                  : 2
% 0.25/1.44  # ...subsumed                          : 1
% 0.25/1.44  # ...remaining for further processing  : 80
% 0.25/1.44  # Other redundant clauses eliminated   : 7
% 0.25/1.44  # Clauses deleted for lack of memory   : 0
% 0.25/1.44  # Backward-subsumed                    : 0
% 0.25/1.44  # Backward-rewritten                   : 28
% 0.25/1.44  # Generated clauses                    : 184
% 0.25/1.44  # ...of the previous two non-trivial   : 172
% 0.25/1.44  # Contextual simplify-reflections      : 9
% 0.25/1.44  # Paramodulations                      : 168
% 0.25/1.44  # Factorizations                       : 0
% 0.25/1.44  # Equation resolutions                 : 12
% 0.25/1.44  # Current number of processed clauses  : 45
% 0.25/1.44  #    Positive orientable unit clauses  : 12
% 0.25/1.44  #    Positive unorientable unit clauses: 0
% 0.25/1.44  #    Negative unit clauses             : 3
% 0.25/1.44  #    Non-unit-clauses                  : 30
% 0.25/1.44  # Current number of unprocessed clauses: 66
% 0.25/1.44  # ...number of literals in the above   : 350
% 0.25/1.44  # Current number of archived formulas  : 0
% 0.25/1.44  # Current number of archived clauses   : 32
% 0.25/1.44  # Clause-clause subsumption calls (NU) : 277
% 0.25/1.44  # Rec. Clause-clause subsumption calls : 74
% 0.25/1.44  # Non-unit clause-clause subsumptions  : 10
% 0.25/1.44  # Unit Clause-clause subsumption calls : 9
% 0.25/1.44  # Rewrite failures with RHS unbound    : 0
% 0.25/1.44  # BW rewrite match attempts            : 1
% 0.25/1.44  # BW rewrite match successes           : 1
% 0.25/1.44  # Condensation attempts                : 0
% 0.25/1.44  # Condensation successes               : 0
% 0.25/1.44  # Termbank termtop insertions          : 7278
% 0.25/1.44  
% 0.25/1.44  # -------------------------------------------------
% 0.25/1.44  # User time                : 0.027 s
% 0.25/1.44  # System time              : 0.004 s
% 0.25/1.44  # Total time               : 0.031 s
% 0.25/1.44  # Maximum resident set size: 3184 pages
%------------------------------------------------------------------------------