TSTP Solution File: SWC012+1 by ET---2.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : ET---2.0
% Problem  : SWC012+1 : TPTP v8.1.0. Released v2.4.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_ET %s %d

% Computer : n029.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 20:26:08 EDT 2022

% Result   : Theorem 0.24s 1.43s
% Output   : CNFRefutation 0.24s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    9
%            Number of leaves      :    3
% Syntax   : Number of formulae    :   25 (  13 unt;   0 def)
%            Number of atoms       :  101 (  32 equ)
%            Maximal formula atoms :   30 (   4 avg)
%            Number of connectives :  120 (  44   ~;  42   |;  23   &)
%                                         (   0 <=>;  11  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   22 (   4 avg)
%            Maximal term depth    :    4 (   1 avg)
%            Number of predicates  :    5 (   3 usr;   1 prp; 0-2 aty)
%            Number of functors    :    8 (   8 usr;   6 con; 0-2 aty)
%            Number of variables   :   29 (   0 sgn  15   !;   6   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(co1,conjecture,
    ! [X1] :
      ( ssList(X1)
     => ! [X2] :
          ( ssList(X2)
         => ! [X3] :
              ( ssList(X3)
             => ! [X4] :
                  ( ssList(X4)
                 => ( X2 != X4
                    | X1 != X3
                    | ( ( ~ neq(X2,nil)
                        | ? [X5] :
                            ( ssItem(X5)
                            & ? [X6] :
                                ( ssList(X6)
                                & ? [X7] :
                                    ( ssList(X7)
                                    & app(app(X6,cons(X5,nil)),X7) = X2
                                    & app(X6,X7) = X1 ) ) )
                        | ! [X8] :
                            ( ssItem(X8)
                           => app(X3,cons(X8,nil)) != X4 ) )
                      & ( ~ neq(X2,nil)
                        | neq(X4,nil) ) ) ) ) ) ) ),
    file('/export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p.mepo_128.in',co1) ).

fof(ax84,axiom,
    ! [X1] :
      ( ssList(X1)
     => app(X1,nil) = X1 ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001+0.ax',ax84) ).

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

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] :
                              ( ssItem(X5)
                              & ? [X6] :
                                  ( ssList(X6)
                                  & ? [X7] :
                                      ( ssList(X7)
                                      & app(app(X6,cons(X5,nil)),X7) = X2
                                      & app(X6,X7) = X1 ) ) )
                          | ! [X8] :
                              ( ssItem(X8)
                             => app(X3,cons(X8,nil)) != X4 ) )
                        & ( ~ neq(X2,nil)
                          | neq(X4,nil) ) ) ) ) ) ) ),
    inference(assume_negation,[status(cth)],[co1]) ).

fof(c_0_4,negated_conjecture,
    ! [X13,X14,X15] :
      ( 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)
        | ~ ssItem(X13)
        | ~ ssList(X14)
        | ~ ssList(X15)
        | app(app(X14,cons(X13,nil)),X15) != esk2_0
        | app(X14,X15) != esk1_0 )
      & ( ~ neq(esk4_0,nil)
        | ~ ssItem(X13)
        | ~ ssList(X14)
        | ~ ssList(X15)
        | app(app(X14,cons(X13,nil)),X15) != esk2_0
        | app(X14,X15) != esk1_0 )
      & ( neq(esk2_0,nil)
        | ssItem(esk5_0) )
      & ( ~ neq(esk4_0,nil)
        | ssItem(esk5_0) )
      & ( neq(esk2_0,nil)
        | app(esk3_0,cons(esk5_0,nil)) = esk4_0 )
      & ( ~ neq(esk4_0,nil)
        | app(esk3_0,cons(esk5_0,nil)) = esk4_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(esk2_0,nil)
    | neq(esk2_0,nil) ),
    inference(split_conjunct,[status(thm)],[c_0_4]) ).

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

cnf(c_0_7,negated_conjecture,
    esk2_0 = esk4_0,
    inference(split_conjunct,[status(thm)],[c_0_4]) ).

cnf(c_0_8,negated_conjecture,
    ( app(X1,X2) != esk1_0
    | app(app(X1,cons(X3,nil)),X2) != esk2_0
    | ~ ssList(X2)
    | ~ ssList(X1)
    | ~ ssItem(X3)
    | ~ neq(esk4_0,nil) ),
    inference(split_conjunct,[status(thm)],[c_0_4]) ).

cnf(c_0_9,negated_conjecture,
    neq(esk4_0,nil),
    inference(rw,[status(thm)],[c_0_6,c_0_7]) ).

cnf(c_0_10,negated_conjecture,
    ( app(esk3_0,cons(esk5_0,nil)) = esk4_0
    | ~ neq(esk4_0,nil) ),
    inference(split_conjunct,[status(thm)],[c_0_4]) ).

cnf(c_0_11,negated_conjecture,
    esk1_0 = esk3_0,
    inference(split_conjunct,[status(thm)],[c_0_4]) ).

cnf(c_0_12,negated_conjecture,
    ( ssItem(esk5_0)
    | ~ neq(esk4_0,nil) ),
    inference(split_conjunct,[status(thm)],[c_0_4]) ).

cnf(c_0_13,negated_conjecture,
    ( app(app(X1,cons(X2,nil)),X3) != esk4_0
    | app(X1,X3) != esk1_0
    | ~ ssList(X3)
    | ~ ssList(X1)
    | ~ ssItem(X2) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_8,c_0_7]),c_0_9])]) ).

cnf(c_0_14,negated_conjecture,
    app(esk1_0,cons(esk5_0,nil)) = esk4_0,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_10,c_0_11]),c_0_9])]) ).

cnf(c_0_15,negated_conjecture,
    ssList(esk1_0),
    inference(split_conjunct,[status(thm)],[c_0_4]) ).

cnf(c_0_16,negated_conjecture,
    ssItem(esk5_0),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_12,c_0_9])]) ).

fof(c_0_17,plain,
    ! [X2] :
      ( ~ ssList(X2)
      | app(X2,nil) = X2 ),
    inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[ax84])]) ).

cnf(c_0_18,negated_conjecture,
    ssList(esk2_0),
    inference(split_conjunct,[status(thm)],[c_0_4]) ).

cnf(c_0_19,negated_conjecture,
    ( app(esk4_0,X1) != esk4_0
    | app(esk1_0,X1) != esk1_0
    | ~ ssList(X1) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_13,c_0_14]),c_0_15])]),c_0_16])]) ).

cnf(c_0_20,plain,
    ( app(X1,nil) = X1
    | ~ ssList(X1) ),
    inference(split_conjunct,[status(thm)],[c_0_17]) ).

cnf(c_0_21,plain,
    ssList(nil),
    inference(split_conjunct,[status(thm)],[ax17]) ).

cnf(c_0_22,negated_conjecture,
    ssList(esk4_0),
    inference(rw,[status(thm)],[c_0_18,c_0_7]) ).

cnf(c_0_23,negated_conjecture,
    app(esk1_0,nil) != esk1_0,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_19,c_0_20]),c_0_21]),c_0_22])]) ).

cnf(c_0_24,negated_conjecture,
    $false,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_23,c_0_20]),c_0_15])]),
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.12/0.13  % Problem  : SWC012+1 : TPTP v8.1.0. Released v2.4.0.
% 0.12/0.14  % Command  : run_ET %s %d
% 0.13/0.35  % Computer : n029.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 07:06:39 EDT 2022
% 0.13/0.35  % CPUTime  : 
% 0.24/1.43  # Running protocol protocol_eprover_4a02c828a8cc55752123edbcc1ad40e453c11447 for 23 seconds:
% 0.24/1.43  # SinE strategy is GSinE(CountFormulas,hypos,1.4,,04,100,1.0)
% 0.24/1.43  # Preprocessing time       : 0.020 s
% 0.24/1.43  
% 0.24/1.43  # Proof found!
% 0.24/1.43  # SZS status Theorem
% 0.24/1.43  # SZS output start CNFRefutation
% See solution above
% 0.24/1.43  # Proof object total steps             : 25
% 0.24/1.43  # Proof object clause steps            : 19
% 0.24/1.43  # Proof object formula steps           : 6
% 0.24/1.43  # Proof object conjectures             : 20
% 0.24/1.43  # Proof object clause conjectures      : 17
% 0.24/1.43  # Proof object formula conjectures     : 3
% 0.24/1.43  # Proof object initial clauses used    : 10
% 0.24/1.43  # Proof object initial formulas used   : 3
% 0.24/1.43  # Proof object generating inferences   : 3
% 0.24/1.43  # Proof object simplifying inferences  : 20
% 0.24/1.43  # Training examples: 0 positive, 0 negative
% 0.24/1.43  # Parsed axioms                        : 96
% 0.24/1.43  # Removed by relevancy pruning/SinE    : 77
% 0.24/1.43  # Initial clauses                      : 41
% 0.24/1.43  # Removed in clause preprocessing      : 0
% 0.24/1.43  # Initial clauses in saturation        : 41
% 0.24/1.43  # Processed clauses                    : 46
% 0.24/1.43  # ...of these trivial                  : 6
% 0.24/1.43  # ...subsumed                          : 0
% 0.24/1.43  # ...remaining for further processing  : 40
% 0.24/1.43  # Other redundant clauses eliminated   : 2
% 0.24/1.43  # Clauses deleted for lack of memory   : 0
% 0.24/1.43  # Backward-subsumed                    : 0
% 0.24/1.43  # Backward-rewritten                   : 1
% 0.24/1.43  # Generated clauses                    : 98
% 0.24/1.43  # ...of the previous two non-trivial   : 82
% 0.24/1.43  # Contextual simplify-reflections      : 0
% 0.24/1.43  # Paramodulations                      : 92
% 0.24/1.43  # Factorizations                       : 0
% 0.24/1.43  # Equation resolutions                 : 6
% 0.24/1.43  # Current number of processed clauses  : 37
% 0.24/1.43  #    Positive orientable unit clauses  : 10
% 0.24/1.43  #    Positive unorientable unit clauses: 0
% 0.24/1.43  #    Negative unit clauses             : 2
% 0.24/1.43  #    Non-unit-clauses                  : 25
% 0.24/1.43  # Current number of unprocessed clauses: 77
% 0.24/1.43  # ...number of literals in the above   : 410
% 0.24/1.43  # Current number of archived formulas  : 0
% 0.24/1.43  # Current number of archived clauses   : 1
% 0.24/1.43  # Clause-clause subsumption calls (NU) : 77
% 0.24/1.43  # Rec. Clause-clause subsumption calls : 26
% 0.24/1.43  # Non-unit clause-clause subsumptions  : 0
% 0.24/1.43  # Unit Clause-clause subsumption calls : 1
% 0.24/1.43  # Rewrite failures with RHS unbound    : 0
% 0.24/1.43  # BW rewrite match attempts            : 1
% 0.24/1.43  # BW rewrite match successes           : 1
% 0.24/1.43  # Condensation attempts                : 0
% 0.24/1.43  # Condensation successes               : 0
% 0.24/1.43  # Termbank termtop insertions          : 5080
% 0.24/1.43  
% 0.24/1.43  # -------------------------------------------------
% 0.24/1.43  # User time                : 0.023 s
% 0.24/1.43  # System time              : 0.002 s
% 0.24/1.43  # Total time               : 0.025 s
% 0.24/1.43  # Maximum resident set size: 3168 pages
%------------------------------------------------------------------------------