TSTP Solution File: SWC415+1 by ET---2.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : ET---2.0
% Problem  : SWC415+1 : TPTP v8.1.0. Released v2.4.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_ET %s %d

% Computer : n023.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 20:28:36 EDT 2022

% Result   : Theorem 0.22s 1.41s
% Output   : CNFRefutation 0.22s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   12
%            Number of leaves      :    4
% Syntax   : Number of formulae    :   29 (  11 unt;   0 def)
%            Number of atoms       :  129 (  41 equ)
%            Maximal formula atoms :   30 (   4 avg)
%            Number of connectives :  164 (  64   ~;  61   |;  26   &)
%                                         (   1 <=>;  12  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   19 (   5 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    4 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :    6 (   6 usr;   5 con; 0-1 aty)
%            Number of variables   :   30 (   0 sgn  16   !;   4   ?)

% 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)
                            & X3 != X5
                            & tl(X4) = X5
                            & neq(nil,X4) )
                        | ? [X6] :
                            ( ssList(X6)
                            & tl(X2) = X6
                            & X1 = X6
                            & neq(nil,X2) ) )
                      & ( ~ neq(X2,nil)
                        | neq(X4,nil) ) ) ) ) ) ) ),
    file('/export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p.mepo_128.in',co1) ).

fof(ax24,axiom,
    ! [X1] :
      ( ssList(X1)
     => ( nil != X1
       => ssList(tl(X1)) ) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/SWC001+0.ax',ax24) ).

fof(ax15,axiom,
    ! [X1] :
      ( ssList(X1)
     => ! [X2] :
          ( ssList(X2)
         => ( neq(X1,X2)
          <=> X1 != X2 ) ) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/SWC001+0.ax',ax15) ).

fof(ax17,axiom,
    ssList(nil),
    file('/export/starexec/sandbox2/benchmark/Axioms/SWC001+0.ax',ax17) ).

fof(c_0_4,negated_conjecture,
    ~ ! [X1] :
        ( ssList(X1)
       => ! [X2] :
            ( ssList(X2)
           => ! [X3] :
                ( ssList(X3)
               => ! [X4] :
                    ( ssList(X4)
                   => ( X2 != X4
                      | X1 != X3
                      | ( ( ~ neq(X2,nil)
                          | ? [X5] :
                              ( ssList(X5)
                              & X3 != X5
                              & tl(X4) = X5
                              & neq(nil,X4) )
                          | ? [X6] :
                              ( ssList(X6)
                              & tl(X2) = X6
                              & X1 = X6
                              & neq(nil,X2) ) )
                        & ( ~ neq(X2,nil)
                          | neq(X4,nil) ) ) ) ) ) ) ),
    inference(assume_negation,[status(cth)],[co1]) ).

fof(c_0_5,negated_conjecture,
    ! [X11,X12] :
      ( ssList(esk1_0)
      & ssList(esk2_0)
      & ssList(esk3_0)
      & ssList(esk4_0)
      & esk2_0 = esk4_0
      & esk1_0 = esk3_0
      & ( neq(esk2_0,nil)
        | neq(esk2_0,nil) )
      & ( ~ neq(esk4_0,nil)
        | neq(esk2_0,nil) )
      & ( neq(esk2_0,nil)
        | ~ ssList(X11)
        | esk3_0 = X11
        | tl(esk4_0) != X11
        | ~ neq(nil,esk4_0) )
      & ( ~ neq(esk4_0,nil)
        | ~ ssList(X11)
        | esk3_0 = X11
        | tl(esk4_0) != X11
        | ~ neq(nil,esk4_0) )
      & ( neq(esk2_0,nil)
        | ~ ssList(X12)
        | tl(esk2_0) != X12
        | esk1_0 != X12
        | ~ neq(nil,esk2_0) )
      & ( ~ neq(esk4_0,nil)
        | ~ ssList(X12)
        | tl(esk2_0) != X12
        | esk1_0 != X12
        | ~ neq(nil,esk2_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_4])])])])])])])]) ).

cnf(c_0_6,negated_conjecture,
    ( neq(esk2_0,nil)
    | neq(esk2_0,nil) ),
    inference(split_conjunct,[status(thm)],[c_0_5]) ).

cnf(c_0_7,negated_conjecture,
    neq(esk2_0,nil),
    inference(cn,[status(thm)],[c_0_6]) ).

cnf(c_0_8,negated_conjecture,
    esk2_0 = esk4_0,
    inference(split_conjunct,[status(thm)],[c_0_5]) ).

cnf(c_0_9,negated_conjecture,
    ( esk3_0 = X1
    | ~ neq(nil,esk4_0)
    | tl(esk4_0) != X1
    | ~ ssList(X1)
    | ~ neq(esk4_0,nil) ),
    inference(split_conjunct,[status(thm)],[c_0_5]) ).

cnf(c_0_10,negated_conjecture,
    esk1_0 = esk3_0,
    inference(split_conjunct,[status(thm)],[c_0_5]) ).

cnf(c_0_11,negated_conjecture,
    neq(esk4_0,nil),
    inference(rw,[status(thm)],[c_0_7,c_0_8]) ).

cnf(c_0_12,negated_conjecture,
    ( ~ neq(nil,esk2_0)
    | esk1_0 != X1
    | tl(esk2_0) != X1
    | ~ ssList(X1)
    | ~ neq(esk4_0,nil) ),
    inference(split_conjunct,[status(thm)],[c_0_5]) ).

cnf(c_0_13,negated_conjecture,
    ( esk1_0 = X1
    | tl(esk4_0) != X1
    | ~ ssList(X1)
    | ~ neq(nil,esk4_0) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_9,c_0_10]),c_0_11])]) ).

cnf(c_0_14,negated_conjecture,
    ( tl(esk4_0) != X1
    | ~ ssList(X1)
    | ~ neq(nil,esk4_0) ),
    inference(csr,[status(thm)],[inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_12,c_0_8]),c_0_8]),c_0_11])]),c_0_13]) ).

fof(c_0_15,plain,
    ! [X2] :
      ( ~ ssList(X2)
      | nil = X2
      | ssList(tl(X2)) ),
    inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[ax24])]) ).

cnf(c_0_16,negated_conjecture,
    ssList(esk2_0),
    inference(split_conjunct,[status(thm)],[c_0_5]) ).

cnf(c_0_17,negated_conjecture,
    ( ~ ssList(tl(esk4_0))
    | ~ neq(nil,esk4_0) ),
    inference(er,[status(thm)],[c_0_14]) ).

cnf(c_0_18,plain,
    ( ssList(tl(X1))
    | nil = X1
    | ~ ssList(X1) ),
    inference(split_conjunct,[status(thm)],[c_0_15]) ).

cnf(c_0_19,negated_conjecture,
    ssList(esk4_0),
    inference(rw,[status(thm)],[c_0_16,c_0_8]) ).

fof(c_0_20,plain,
    ! [X3,X4] :
      ( ( ~ neq(X3,X4)
        | X3 != X4
        | ~ ssList(X4)
        | ~ ssList(X3) )
      & ( X3 = X4
        | neq(X3,X4)
        | ~ ssList(X4)
        | ~ ssList(X3) ) ),
    inference(distribute,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[ax15])])])])])]) ).

cnf(c_0_21,negated_conjecture,
    ( nil = esk4_0
    | ~ neq(nil,esk4_0) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_17,c_0_18]),c_0_19])]) ).

cnf(c_0_22,plain,
    ( neq(X1,X2)
    | X1 = X2
    | ~ ssList(X1)
    | ~ ssList(X2) ),
    inference(split_conjunct,[status(thm)],[c_0_20]) ).

cnf(c_0_23,plain,
    ssList(nil),
    inference(split_conjunct,[status(thm)],[ax17]) ).

cnf(c_0_24,plain,
    ( ~ ssList(X1)
    | ~ ssList(X2)
    | X1 != X2
    | ~ neq(X1,X2) ),
    inference(split_conjunct,[status(thm)],[c_0_20]) ).

cnf(c_0_25,negated_conjecture,
    nil = esk4_0,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_21,c_0_22]),c_0_19]),c_0_23])]) ).

cnf(c_0_26,plain,
    ( ~ ssList(X1)
    | ~ neq(X1,X1) ),
    inference(er,[status(thm)],[c_0_24]) ).

cnf(c_0_27,negated_conjecture,
    neq(esk4_0,esk4_0),
    inference(rw,[status(thm)],[c_0_11,c_0_25]) ).

cnf(c_0_28,negated_conjecture,
    $false,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_26,c_0_27]),c_0_19])]),
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.08/0.12  % Problem  : SWC415+1 : TPTP v8.1.0. Released v2.4.0.
% 0.08/0.12  % Command  : run_ET %s %d
% 0.12/0.33  % Computer : n023.cluster.edu
% 0.12/0.33  % Model    : x86_64 x86_64
% 0.12/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.33  % Memory   : 8042.1875MB
% 0.12/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.33  % CPULimit : 300
% 0.12/0.33  % WCLimit  : 600
% 0.12/0.33  % DateTime : Sun Jun 12 05:38:52 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.22/1.41  # Running protocol protocol_eprover_4a02c828a8cc55752123edbcc1ad40e453c11447 for 23 seconds:
% 0.22/1.41  # SinE strategy is GSinE(CountFormulas,hypos,1.4,,04,100,1.0)
% 0.22/1.41  # Preprocessing time       : 0.021 s
% 0.22/1.41  
% 0.22/1.41  # Proof found!
% 0.22/1.41  # SZS status Theorem
% 0.22/1.41  # SZS output start CNFRefutation
% See solution above
% 0.22/1.41  # Proof object total steps             : 29
% 0.22/1.41  # Proof object clause steps            : 21
% 0.22/1.41  # Proof object formula steps           : 8
% 0.22/1.41  # Proof object conjectures             : 19
% 0.22/1.41  # Proof object clause conjectures      : 16
% 0.22/1.41  # Proof object formula conjectures     : 3
% 0.22/1.41  # Proof object initial clauses used    : 10
% 0.22/1.41  # Proof object initial formulas used   : 4
% 0.22/1.41  # Proof object generating inferences   : 4
% 0.22/1.41  # Proof object simplifying inferences  : 20
% 0.22/1.41  # Training examples: 0 positive, 0 negative
% 0.22/1.41  # Parsed axioms                        : 96
% 0.22/1.41  # Removed by relevancy pruning/SinE    : 67
% 0.22/1.41  # Initial clauses                      : 51
% 0.22/1.41  # Removed in clause preprocessing      : 0
% 0.22/1.41  # Initial clauses in saturation        : 51
% 0.22/1.41  # Processed clauses                    : 59
% 0.22/1.41  # ...of these trivial                  : 6
% 0.22/1.41  # ...subsumed                          : 0
% 0.22/1.41  # ...remaining for further processing  : 53
% 0.22/1.41  # Other redundant clauses eliminated   : 2
% 0.22/1.41  # Clauses deleted for lack of memory   : 0
% 0.22/1.41  # Backward-subsumed                    : 1
% 0.22/1.41  # Backward-rewritten                   : 26
% 0.22/1.41  # Generated clauses                    : 124
% 0.22/1.41  # ...of the previous two non-trivial   : 123
% 0.22/1.41  # Contextual simplify-reflections      : 1
% 0.22/1.41  # Paramodulations                      : 114
% 0.22/1.41  # Factorizations                       : 0
% 0.22/1.41  # Equation resolutions                 : 10
% 0.22/1.41  # Current number of processed clauses  : 24
% 0.22/1.41  #    Positive orientable unit clauses  : 8
% 0.22/1.41  #    Positive unorientable unit clauses: 0
% 0.22/1.41  #    Negative unit clauses             : 1
% 0.22/1.41  #    Non-unit-clauses                  : 15
% 0.22/1.41  # Current number of unprocessed clauses: 39
% 0.22/1.41  # ...number of literals in the above   : 175
% 0.22/1.41  # Current number of archived formulas  : 0
% 0.22/1.41  # Current number of archived clauses   : 27
% 0.22/1.41  # Clause-clause subsumption calls (NU) : 173
% 0.22/1.41  # Rec. Clause-clause subsumption calls : 74
% 0.22/1.41  # Non-unit clause-clause subsumptions  : 2
% 0.22/1.41  # Unit Clause-clause subsumption calls : 2
% 0.22/1.41  # Rewrite failures with RHS unbound    : 0
% 0.22/1.41  # BW rewrite match attempts            : 1
% 0.22/1.41  # BW rewrite match successes           : 1
% 0.22/1.41  # Condensation attempts                : 0
% 0.22/1.41  # Condensation successes               : 0
% 0.22/1.41  # Termbank termtop insertions          : 6094
% 0.22/1.41  
% 0.22/1.41  # -------------------------------------------------
% 0.22/1.41  # User time                : 0.027 s
% 0.22/1.41  # System time              : 0.002 s
% 0.22/1.41  # Total time               : 0.029 s
% 0.22/1.41  # Maximum resident set size: 3172 pages
%------------------------------------------------------------------------------