TSTP Solution File: SEU171+2 by ET---2.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : ET---2.0
% Problem  : SEU171+2 : TPTP v8.1.0. Released v3.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_ET %s %d

% Computer : n026.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 09:17:26 EDT 2022

% Result   : Theorem 0.24s 1.43s
% Output   : CNFRefutation 0.24s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    6
%            Number of leaves      :    7
% Syntax   : Number of formulae    :   34 (  13 unt;   0 def)
%            Number of atoms       :  105 (  24 equ)
%            Maximal formula atoms :   20 (   3 avg)
%            Number of connectives :  117 (  46   ~;  39   |;  16   &)
%                                         (   4 <=>;  12  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   16 (   4 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    5 (   3 usr;   1 prp; 0-2 aty)
%            Number of functors    :    9 (   9 usr;   5 con; 0-3 aty)
%            Number of variables   :   52 (   8 sgn  36   !;   1   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(t50_subset_1,conjecture,
    ! [X1] :
      ( X1 != empty_set
     => ! [X2] :
          ( element(X2,powerset(X1))
         => ! [X3] :
              ( element(X3,X1)
             => ( ~ in(X3,X2)
               => in(X3,subset_complement(X1,X2)) ) ) ) ),
    file('/export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p.mepo_128.in',t50_subset_1) ).

fof(t6_boole,axiom,
    ! [X1] :
      ( empty(X1)
     => X1 = empty_set ),
    file('/export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p.mepo_128.in',t6_boole) ).

fof(rc1_xboole_0,axiom,
    ? [X1] : empty(X1),
    file('/export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p.mepo_128.in',rc1_xboole_0) ).

fof(t8_boole,axiom,
    ! [X1,X2] :
      ~ ( empty(X1)
        & X1 != X2
        & empty(X2) ),
    file('/export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p.mepo_128.in',t8_boole) ).

fof(d2_subset_1,axiom,
    ! [X1,X2] :
      ( ( ~ empty(X1)
       => ( element(X2,X1)
        <=> in(X2,X1) ) )
      & ( empty(X1)
       => ( element(X2,X1)
        <=> empty(X2) ) ) ),
    file('/export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p.mepo_128.in',d2_subset_1) ).

fof(d5_subset_1,axiom,
    ! [X1,X2] :
      ( element(X2,powerset(X1))
     => subset_complement(X1,X2) = set_difference(X1,X2) ),
    file('/export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p.mepo_128.in',d5_subset_1) ).

fof(d4_xboole_0,axiom,
    ! [X1,X2,X3] :
      ( X3 = set_difference(X1,X2)
    <=> ! [X4] :
          ( in(X4,X3)
        <=> ( in(X4,X1)
            & ~ in(X4,X2) ) ) ),
    file('/export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p.mepo_128.in',d4_xboole_0) ).

fof(c_0_7,negated_conjecture,
    ~ ! [X1] :
        ( X1 != empty_set
       => ! [X2] :
            ( element(X2,powerset(X1))
           => ! [X3] :
                ( element(X3,X1)
               => ( ~ in(X3,X2)
                 => in(X3,subset_complement(X1,X2)) ) ) ) ),
    inference(assume_negation,[status(cth)],[t50_subset_1]) ).

fof(c_0_8,plain,
    ! [X2] :
      ( ~ empty(X2)
      | X2 = empty_set ),
    inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[t6_boole])]) ).

fof(c_0_9,plain,
    empty(esk14_0),
    inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[rc1_xboole_0])]) ).

fof(c_0_10,plain,
    ! [X3,X4] :
      ( ~ empty(X3)
      | X3 = X4
      | ~ empty(X4) ),
    inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[t8_boole])]) ).

fof(c_0_11,plain,
    ! [X3,X4,X4,X3,X4,X4] :
      ( ( ~ element(X4,X3)
        | in(X4,X3)
        | empty(X3) )
      & ( ~ in(X4,X3)
        | element(X4,X3)
        | empty(X3) )
      & ( ~ element(X4,X3)
        | empty(X4)
        | ~ empty(X3) )
      & ( ~ empty(X4)
        | element(X4,X3)
        | ~ empty(X3) ) ),
    inference(distribute,[status(thm)],[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)],[d2_subset_1])])])])])]) ).

fof(c_0_12,negated_conjecture,
    ( esk1_0 != empty_set
    & element(esk2_0,powerset(esk1_0))
    & element(esk3_0,esk1_0)
    & ~ in(esk3_0,esk2_0)
    & ~ in(esk3_0,subset_complement(esk1_0,esk2_0)) ),
    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_7])])])])])]) ).

cnf(c_0_13,plain,
    ( X1 = empty_set
    | ~ empty(X1) ),
    inference(split_conjunct,[status(thm)],[c_0_8]) ).

cnf(c_0_14,plain,
    empty(esk14_0),
    inference(split_conjunct,[status(thm)],[c_0_9]) ).

fof(c_0_15,plain,
    ! [X3,X4] :
      ( ~ element(X4,powerset(X3))
      | subset_complement(X3,X4) = set_difference(X3,X4) ),
    inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[d5_subset_1])]) ).

fof(c_0_16,plain,
    ! [X5,X6,X7,X8,X8,X5,X6,X7] :
      ( ( in(X8,X5)
        | ~ in(X8,X7)
        | X7 != set_difference(X5,X6) )
      & ( ~ in(X8,X6)
        | ~ in(X8,X7)
        | X7 != set_difference(X5,X6) )
      & ( ~ in(X8,X5)
        | in(X8,X6)
        | in(X8,X7)
        | X7 != set_difference(X5,X6) )
      & ( ~ in(esk11_3(X5,X6,X7),X7)
        | ~ in(esk11_3(X5,X6,X7),X5)
        | in(esk11_3(X5,X6,X7),X6)
        | X7 = set_difference(X5,X6) )
      & ( in(esk11_3(X5,X6,X7),X5)
        | in(esk11_3(X5,X6,X7),X7)
        | X7 = set_difference(X5,X6) )
      & ( ~ in(esk11_3(X5,X6,X7),X6)
        | in(esk11_3(X5,X6,X7),X7)
        | X7 = set_difference(X5,X6) ) ),
    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)],[d4_xboole_0])])])])])])])]) ).

cnf(c_0_17,plain,
    ( X2 = X1
    | ~ empty(X1)
    | ~ empty(X2) ),
    inference(split_conjunct,[status(thm)],[c_0_10]) ).

cnf(c_0_18,plain,
    ( empty(X1)
    | in(X2,X1)
    | ~ element(X2,X1) ),
    inference(split_conjunct,[status(thm)],[c_0_11]) ).

cnf(c_0_19,negated_conjecture,
    element(esk3_0,esk1_0),
    inference(split_conjunct,[status(thm)],[c_0_12]) ).

cnf(c_0_20,negated_conjecture,
    esk1_0 != empty_set,
    inference(split_conjunct,[status(thm)],[c_0_12]) ).

cnf(c_0_21,plain,
    empty_set = esk14_0,
    inference(spm,[status(thm)],[c_0_13,c_0_14]) ).

cnf(c_0_22,negated_conjecture,
    ~ in(esk3_0,subset_complement(esk1_0,esk2_0)),
    inference(split_conjunct,[status(thm)],[c_0_12]) ).

cnf(c_0_23,plain,
    ( subset_complement(X1,X2) = set_difference(X1,X2)
    | ~ element(X2,powerset(X1)) ),
    inference(split_conjunct,[status(thm)],[c_0_15]) ).

cnf(c_0_24,negated_conjecture,
    element(esk2_0,powerset(esk1_0)),
    inference(split_conjunct,[status(thm)],[c_0_12]) ).

cnf(c_0_25,plain,
    ( in(X4,X1)
    | in(X4,X3)
    | X1 != set_difference(X2,X3)
    | ~ in(X4,X2) ),
    inference(split_conjunct,[status(thm)],[c_0_16]) ).

cnf(c_0_26,plain,
    ( X1 = esk14_0
    | ~ empty(X1) ),
    inference(spm,[status(thm)],[c_0_17,c_0_14]) ).

cnf(c_0_27,negated_conjecture,
    ( empty(esk1_0)
    | in(esk3_0,esk1_0) ),
    inference(spm,[status(thm)],[c_0_18,c_0_19]) ).

cnf(c_0_28,negated_conjecture,
    esk1_0 != esk14_0,
    inference(rw,[status(thm)],[c_0_20,c_0_21]) ).

cnf(c_0_29,negated_conjecture,
    ~ in(esk3_0,set_difference(esk1_0,esk2_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_30,plain,
    ( in(X1,set_difference(X2,X3))
    | in(X1,X3)
    | ~ in(X1,X2) ),
    inference(er,[status(thm)],[c_0_25]) ).

cnf(c_0_31,negated_conjecture,
    in(esk3_0,esk1_0),
    inference(sr,[status(thm)],[inference(spm,[status(thm)],[c_0_26,c_0_27]),c_0_28]) ).

cnf(c_0_32,negated_conjecture,
    ~ in(esk3_0,esk2_0),
    inference(split_conjunct,[status(thm)],[c_0_12]) ).

cnf(c_0_33,negated_conjecture,
    $false,
    inference(sr,[status(thm)],[inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_29,c_0_30]),c_0_31])]),c_0_32]),
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.04/0.13  % Problem  : SEU171+2 : TPTP v8.1.0. Released v3.3.0.
% 0.04/0.13  % Command  : run_ET %s %d
% 0.14/0.35  % Computer : n026.cluster.edu
% 0.14/0.35  % Model    : x86_64 x86_64
% 0.14/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.35  % Memory   : 8042.1875MB
% 0.14/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.35  % CPULimit : 300
% 0.14/0.35  % WCLimit  : 600
% 0.14/0.35  % DateTime : Sun Jun 19 02:12:40 EDT 2022
% 0.14/0.35  % 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       : 0.022 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             : 34
% 0.24/1.43  # Proof object clause steps            : 19
% 0.24/1.43  # Proof object formula steps           : 15
% 0.24/1.43  # Proof object conjectures             : 13
% 0.24/1.43  # Proof object clause conjectures      : 10
% 0.24/1.43  # Proof object formula conjectures     : 3
% 0.24/1.43  # Proof object initial clauses used    : 11
% 0.24/1.43  # Proof object initial formulas used   : 7
% 0.24/1.43  # Proof object generating inferences   : 7
% 0.24/1.43  # Proof object simplifying inferences  : 7
% 0.24/1.43  # Training examples: 0 positive, 0 negative
% 0.24/1.43  # Parsed axioms                        : 111
% 0.24/1.43  # Removed by relevancy pruning/SinE    : 36
% 0.24/1.43  # Initial clauses                      : 126
% 0.24/1.43  # Removed in clause preprocessing      : 1
% 0.24/1.43  # Initial clauses in saturation        : 125
% 0.24/1.43  # Processed clauses                    : 1385
% 0.24/1.43  # ...of these trivial                  : 81
% 0.24/1.43  # ...subsumed                          : 737
% 0.24/1.43  # ...remaining for further processing  : 567
% 0.24/1.43  # Other redundant clauses eliminated   : 89
% 0.24/1.43  # Clauses deleted for lack of memory   : 0
% 0.24/1.43  # Backward-subsumed                    : 16
% 0.24/1.43  # Backward-rewritten                   : 47
% 0.24/1.43  # Generated clauses                    : 6721
% 0.24/1.43  # ...of the previous two non-trivial   : 4821
% 0.24/1.43  # Contextual simplify-reflections      : 134
% 0.24/1.43  # Paramodulations                      : 6578
% 0.24/1.43  # Factorizations                       : 14
% 0.24/1.43  # Equation resolutions                 : 129
% 0.24/1.43  # Current number of processed clauses  : 501
% 0.24/1.43  #    Positive orientable unit clauses  : 99
% 0.24/1.43  #    Positive unorientable unit clauses: 2
% 0.24/1.43  #    Negative unit clauses             : 51
% 0.24/1.43  #    Non-unit-clauses                  : 349
% 0.24/1.43  # Current number of unprocessed clauses: 3316
% 0.24/1.43  # ...number of literals in the above   : 9137
% 0.24/1.43  # Current number of archived formulas  : 0
% 0.24/1.43  # Current number of archived clauses   : 64
% 0.24/1.43  # Clause-clause subsumption calls (NU) : 17034
% 0.24/1.43  # Rec. Clause-clause subsumption calls : 14002
% 0.24/1.43  # Non-unit clause-clause subsumptions  : 475
% 0.24/1.43  # Unit Clause-clause subsumption calls : 1289
% 0.24/1.43  # Rewrite failures with RHS unbound    : 0
% 0.24/1.43  # BW rewrite match attempts            : 95
% 0.24/1.43  # BW rewrite match successes           : 27
% 0.24/1.43  # Condensation attempts                : 0
% 0.24/1.43  # Condensation successes               : 0
% 0.24/1.43  # Termbank termtop insertions          : 62827
% 0.24/1.43  
% 0.24/1.43  # -------------------------------------------------
% 0.24/1.43  # User time                : 0.148 s
% 0.24/1.43  # System time              : 0.004 s
% 0.24/1.43  # Total time               : 0.152 s
% 0.24/1.43  # Maximum resident set size: 7240 pages
%------------------------------------------------------------------------------