TSTP Solution File: SWC025+1 by ET---2.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : ET---2.0
% Problem  : SWC025+1 : TPTP v8.1.0. Released v2.4.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_ET %s %d

% Computer : n009.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 0.23s 1.41s
% Output   : CNFRefutation 0.23s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   11
%            Number of leaves      :    4
% Syntax   : Number of formulae    :   40 (   9 unt;   0 def)
%            Number of atoms       :  162 (  56 equ)
%            Maximal formula atoms :   21 (   4 avg)
%            Number of connectives :  199 (  77   ~;  82   |;  26   &)
%                                         (   1 <=>;  13  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   19 (   5 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    6 (   4 usr;   1 prp; 0-2 aty)
%            Number of functors    :    8 (   8 usr;   5 con; 0-2 aty)
%            Number of variables   :   42 (   0 sgn  19   !;   4   ?)

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

fof(ax38,axiom,
    ! [X1] :
      ( ssItem(X1)
     => ~ memberP(nil,X1) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001+0.ax',ax38) ).

fof(ax37,axiom,
    ! [X1] :
      ( ssItem(X1)
     => ! [X2] :
          ( ssItem(X2)
         => ! [X3] :
              ( ssList(X3)
             => ( memberP(cons(X2,X3),X1)
              <=> ( X1 = X2
                  | memberP(X3,X1) ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001+0.ax',ax37) ).

fof(ax20,axiom,
    ! [X1] :
      ( ssList(X1)
     => ( nil = X1
        | ? [X2] :
            ( ssList(X2)
            & ? [X3] :
                ( ssItem(X3)
                & cons(X3,X2) = X1 ) ) ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001+0.ax',ax20) ).

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

fof(c_0_5,negated_conjecture,
    ! [X10] :
      ( ssList(esk1_0)
      & ssList(esk2_0)
      & ssList(esk3_0)
      & ssList(esk4_0)
      & esk2_0 = esk4_0
      & esk1_0 = esk3_0
      & duplicatefreeP(esk3_0)
      & ( memberP(esk4_0,X10)
        | ~ memberP(esk3_0,X10)
        | ~ ssItem(X10) )
      & ( memberP(esk3_0,X10)
        | ~ memberP(esk4_0,X10)
        | ~ ssItem(X10) )
      & ( nil = esk1_0
        | nil = esk2_0 )
      & ( nil != esk2_0
        | nil = esk2_0 )
      & ( nil = esk1_0
        | nil != esk1_0 )
      & ( nil != esk2_0
        | nil != esk1_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])])])])])])])]) ).

fof(c_0_6,plain,
    ! [X2] :
      ( ~ ssItem(X2)
      | ~ memberP(nil,X2) ),
    inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[inference(fof_simplification,[status(thm)],[ax38])])]) ).

cnf(c_0_7,negated_conjecture,
    ( nil = esk2_0
    | nil = esk1_0 ),
    inference(split_conjunct,[status(thm)],[c_0_5]) ).

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

fof(c_0_9,plain,
    ! [X4,X5,X6] :
      ( ( ~ memberP(cons(X5,X6),X4)
        | X4 = X5
        | memberP(X6,X4)
        | ~ ssList(X6)
        | ~ ssItem(X5)
        | ~ ssItem(X4) )
      & ( X4 != X5
        | memberP(cons(X5,X6),X4)
        | ~ ssList(X6)
        | ~ ssItem(X5)
        | ~ ssItem(X4) )
      & ( ~ memberP(X6,X4)
        | memberP(cons(X5,X6),X4)
        | ~ ssList(X6)
        | ~ ssItem(X5)
        | ~ ssItem(X4) ) ),
    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)],[ax37])])])])])]) ).

cnf(c_0_10,plain,
    ( ~ memberP(nil,X1)
    | ~ ssItem(X1) ),
    inference(split_conjunct,[status(thm)],[c_0_6]) ).

cnf(c_0_11,negated_conjecture,
    ( nil = esk4_0
    | nil = esk1_0 ),
    inference(rw,[status(thm)],[c_0_7,c_0_8]) ).

cnf(c_0_12,negated_conjecture,
    ( memberP(esk4_0,X1)
    | ~ ssItem(X1)
    | ~ memberP(esk3_0,X1) ),
    inference(split_conjunct,[status(thm)],[c_0_5]) ).

cnf(c_0_13,negated_conjecture,
    esk1_0 = esk3_0,
    inference(split_conjunct,[status(thm)],[c_0_5]) ).

cnf(c_0_14,plain,
    ( memberP(cons(X2,X3),X1)
    | ~ ssItem(X1)
    | ~ ssItem(X2)
    | ~ ssList(X3)
    | X1 != X2 ),
    inference(split_conjunct,[status(thm)],[c_0_9]) ).

fof(c_0_15,plain,
    ! [X4] :
      ( ( ssList(esk5_1(X4))
        | nil = X4
        | ~ ssList(X4) )
      & ( ssItem(esk6_1(X4))
        | nil = X4
        | ~ ssList(X4) )
      & ( cons(esk6_1(X4),esk5_1(X4)) = X4
        | nil = X4
        | ~ ssList(X4) ) ),
    inference(distribute,[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)],[ax20])])])])])]) ).

cnf(c_0_16,negated_conjecture,
    ( nil = esk1_0
    | ~ memberP(esk4_0,X1)
    | ~ ssItem(X1) ),
    inference(spm,[status(thm)],[c_0_10,c_0_11]) ).

cnf(c_0_17,negated_conjecture,
    ( memberP(esk4_0,X1)
    | ~ memberP(esk1_0,X1)
    | ~ ssItem(X1) ),
    inference(rw,[status(thm)],[c_0_12,c_0_13]) ).

cnf(c_0_18,plain,
    ( memberP(cons(X1,X2),X1)
    | ~ ssList(X2)
    | ~ ssItem(X1) ),
    inference(er,[status(thm)],[c_0_14]) ).

cnf(c_0_19,plain,
    ( nil = X1
    | cons(esk6_1(X1),esk5_1(X1)) = X1
    | ~ ssList(X1) ),
    inference(split_conjunct,[status(thm)],[c_0_15]) ).

cnf(c_0_20,plain,
    ( nil = X1
    | ssItem(esk6_1(X1))
    | ~ ssList(X1) ),
    inference(split_conjunct,[status(thm)],[c_0_15]) ).

cnf(c_0_21,plain,
    ( nil = X1
    | ssList(esk5_1(X1))
    | ~ ssList(X1) ),
    inference(split_conjunct,[status(thm)],[c_0_15]) ).

cnf(c_0_22,negated_conjecture,
    ( nil = esk1_0
    | ~ memberP(esk1_0,X1)
    | ~ ssItem(X1) ),
    inference(spm,[status(thm)],[c_0_16,c_0_17]) ).

cnf(c_0_23,plain,
    ( nil = X1
    | memberP(X1,esk6_1(X1))
    | ~ ssList(X1) ),
    inference(csr,[status(thm)],[inference(csr,[status(thm)],[inference(spm,[status(thm)],[c_0_18,c_0_19]),c_0_20]),c_0_21]) ).

cnf(c_0_24,negated_conjecture,
    ssList(esk1_0),
    inference(split_conjunct,[status(thm)],[c_0_5]) ).

cnf(c_0_25,negated_conjecture,
    ( nil = esk1_0
    | ~ ssItem(esk6_1(esk1_0)) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_22,c_0_23]),c_0_24])]) ).

cnf(c_0_26,negated_conjecture,
    ( nil != esk1_0
    | nil != esk2_0 ),
    inference(split_conjunct,[status(thm)],[c_0_5]) ).

cnf(c_0_27,negated_conjecture,
    ( memberP(esk3_0,X1)
    | ~ ssItem(X1)
    | ~ memberP(esk4_0,X1) ),
    inference(split_conjunct,[status(thm)],[c_0_5]) ).

cnf(c_0_28,negated_conjecture,
    nil = esk1_0,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_25,c_0_20]),c_0_24])]) ).

cnf(c_0_29,negated_conjecture,
    ssList(esk2_0),
    inference(split_conjunct,[status(thm)],[c_0_5]) ).

cnf(c_0_30,negated_conjecture,
    ( nil != esk1_0
    | nil != esk4_0 ),
    inference(rw,[status(thm)],[c_0_26,c_0_8]) ).

cnf(c_0_31,negated_conjecture,
    ( nil = esk1_0
    | esk4_0 != esk1_0 ),
    inference(ef,[status(thm)],[c_0_11]) ).

cnf(c_0_32,negated_conjecture,
    ( memberP(esk1_0,X1)
    | ~ memberP(esk4_0,X1)
    | ~ ssItem(X1) ),
    inference(rw,[status(thm)],[c_0_27,c_0_13]) ).

cnf(c_0_33,plain,
    ( esk1_0 = X1
    | memberP(X1,esk6_1(X1))
    | ~ ssList(X1) ),
    inference(rw,[status(thm)],[c_0_23,c_0_28]) ).

cnf(c_0_34,negated_conjecture,
    ssList(esk4_0),
    inference(rw,[status(thm)],[c_0_29,c_0_8]) ).

cnf(c_0_35,negated_conjecture,
    esk4_0 != esk1_0,
    inference(spm,[status(thm)],[c_0_30,c_0_31]) ).

cnf(c_0_36,plain,
    ( ~ memberP(esk1_0,X1)
    | ~ ssItem(X1) ),
    inference(rw,[status(thm)],[c_0_10,c_0_28]) ).

cnf(c_0_37,negated_conjecture,
    ~ ssItem(esk6_1(esk4_0)),
    inference(csr,[status(thm)],[inference(sr,[status(thm)],[inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_32,c_0_33]),c_0_34])]),c_0_35]),c_0_36]) ).

cnf(c_0_38,plain,
    ( esk1_0 = X1
    | ssItem(esk6_1(X1))
    | ~ ssList(X1) ),
    inference(rw,[status(thm)],[c_0_20,c_0_28]) ).

cnf(c_0_39,negated_conjecture,
    $false,
    inference(sr,[status(thm)],[inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_37,c_0_38]),c_0_34])]),c_0_35]),
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : SWC025+1 : TPTP v8.1.0. Released v2.4.0.
% 0.03/0.12  % Command  : run_ET %s %d
% 0.12/0.33  % Computer : n009.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 16:53:23 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 0.23/1.41  # Running protocol protocol_eprover_4a02c828a8cc55752123edbcc1ad40e453c11447 for 23 seconds:
% 0.23/1.41  # SinE strategy is GSinE(CountFormulas,hypos,1.4,,04,100,1.0)
% 0.23/1.41  # Preprocessing time       : 0.020 s
% 0.23/1.41  
% 0.23/1.41  # Proof found!
% 0.23/1.41  # SZS status Theorem
% 0.23/1.41  # SZS output start CNFRefutation
% See solution above
% 0.23/1.41  # Proof object total steps             : 40
% 0.23/1.41  # Proof object clause steps            : 31
% 0.23/1.41  # Proof object formula steps           : 9
% 0.23/1.41  # Proof object conjectures             : 24
% 0.23/1.41  # Proof object clause conjectures      : 21
% 0.23/1.41  # Proof object formula conjectures     : 3
% 0.23/1.41  # Proof object initial clauses used    : 13
% 0.23/1.41  # Proof object initial formulas used   : 4
% 0.23/1.41  # Proof object generating inferences   : 9
% 0.23/1.41  # Proof object simplifying inferences  : 22
% 0.23/1.41  # Training examples: 0 positive, 0 negative
% 0.23/1.41  # Parsed axioms                        : 96
% 0.23/1.41  # Removed by relevancy pruning/SinE    : 72
% 0.23/1.41  # Initial clauses                      : 57
% 0.23/1.41  # Removed in clause preprocessing      : 2
% 0.23/1.41  # Initial clauses in saturation        : 55
% 0.23/1.41  # Processed clauses                    : 729
% 0.23/1.41  # ...of these trivial                  : 12
% 0.23/1.41  # ...subsumed                          : 441
% 0.23/1.41  # ...remaining for further processing  : 276
% 0.23/1.41  # Other redundant clauses eliminated   : 33
% 0.23/1.41  # Clauses deleted for lack of memory   : 0
% 0.23/1.41  # Backward-subsumed                    : 8
% 0.23/1.41  # Backward-rewritten                   : 157
% 0.23/1.41  # Generated clauses                    : 4914
% 0.23/1.41  # ...of the previous two non-trivial   : 4415
% 0.23/1.41  # Contextual simplify-reflections      : 284
% 0.23/1.41  # Paramodulations                      : 4853
% 0.23/1.41  # Factorizations                       : 1
% 0.23/1.41  # Equation resolutions                 : 60
% 0.23/1.41  # Current number of processed clauses  : 109
% 0.23/1.41  #    Positive orientable unit clauses  : 9
% 0.23/1.41  #    Positive unorientable unit clauses: 0
% 0.23/1.41  #    Negative unit clauses             : 3
% 0.23/1.41  #    Non-unit-clauses                  : 97
% 0.23/1.41  # Current number of unprocessed clauses: 746
% 0.23/1.41  # ...number of literals in the above   : 5736
% 0.23/1.41  # Current number of archived formulas  : 0
% 0.23/1.41  # Current number of archived clauses   : 165
% 0.23/1.41  # Clause-clause subsumption calls (NU) : 9996
% 0.23/1.41  # Rec. Clause-clause subsumption calls : 3457
% 0.23/1.41  # Non-unit clause-clause subsumptions  : 708
% 0.23/1.41  # Unit Clause-clause subsumption calls : 84
% 0.23/1.41  # Rewrite failures with RHS unbound    : 0
% 0.23/1.41  # BW rewrite match attempts            : 2
% 0.23/1.41  # BW rewrite match successes           : 2
% 0.23/1.41  # Condensation attempts                : 0
% 0.23/1.41  # Condensation successes               : 0
% 0.23/1.41  # Termbank termtop insertions          : 93337
% 0.23/1.41  
% 0.23/1.41  # -------------------------------------------------
% 0.23/1.41  # User time                : 0.180 s
% 0.23/1.41  # System time              : 0.003 s
% 0.23/1.41  # Total time               : 0.183 s
% 0.23/1.41  # Maximum resident set size: 6612 pages
% 0.23/23.41  eprover: CPU time limit exceeded, terminating
% 0.23/23.42  eprover: Cannot stat file /export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p.mepo_128.in
% 0.23/23.42  eprover: No such file or directory
% 0.23/23.43  eprover: Cannot stat file /export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p.mepo_128.in
% 0.23/23.43  eprover: No such file or directory
% 0.23/23.43  eprover: Cannot stat file /export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p.mepo_128.in
% 0.23/23.43  eprover: No such file or directory
% 0.23/23.44  eprover: Cannot stat file /export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p.mepo_128.in
% 0.23/23.44  eprover: No such file or directory
% 0.23/23.45  eprover: Cannot stat file /export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p.mepo_128.in
% 0.23/23.45  eprover: No such file or directory
% 0.23/23.45  eprover: Cannot stat file /export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p.mepo_128.in
% 0.23/23.45  eprover: No such file or directory
% 0.23/23.46  eprover: Cannot stat file /export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p.mepo_128.in
% 0.23/23.46  eprover: No such file or directory
% 0.23/23.46  eprover: Cannot stat file /export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p.mepo_128.in
% 0.23/23.46  eprover: No such file or directory
% 0.23/23.47  eprover: Cannot stat file /export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p.mepo_128.in
% 0.23/23.47  eprover: No such file or directory
% 0.23/23.48  eprover: Cannot stat file /export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p.mepo_128.in
% 0.23/23.48  eprover: No such file or directory
% 0.23/23.48  eprover: Cannot stat file /export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p.mepo_128.in
% 0.23/23.48  eprover: No such file or directory
%------------------------------------------------------------------------------