TSTP Solution File: SET629+3 by ET---2.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : ET---2.0
% Problem  : SET629+3 : TPTP v8.1.0. Released v2.2.0.
% 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 00:52:42 EDT 2022

% Result   : Theorem 0.26s 1.43s
% Output   : CNFRefutation 0.26s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    6
%            Number of leaves      :    6
% Syntax   : Number of formulae    :   26 (  11 unt;   0 def)
%            Number of atoms       :   61 (   3 equ)
%            Maximal formula atoms :    7 (   2 avg)
%            Number of connectives :   64 (  29   ~;  21   |;  10   &)
%                                         (   4 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   12 (   4 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    5 (   3 usr;   1 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   2 con; 0-2 aty)
%            Number of variables   :   66 (  16 sgn  39   !;   1   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(difference_defn,axiom,
    ! [X1,X2,X3] :
      ( member(X3,difference(X1,X2))
    <=> ( member(X3,X1)
        & ~ member(X3,X2) ) ),
    file('/export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p.mepo_128.in',difference_defn) ).

fof(intersect_defn,axiom,
    ! [X1,X2] :
      ( intersect(X1,X2)
    <=> ? [X3] :
          ( member(X3,X1)
          & member(X3,X2) ) ),
    file('/export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p.mepo_128.in',intersect_defn) ).

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

fof(prove_intersection_and_difference_disjoint,conjecture,
    ! [X1,X2] : disjoint(intersection(X1,X2),difference(X1,X2)),
    file('/export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p.mepo_128.in',prove_intersection_and_difference_disjoint) ).

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

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

fof(c_0_6,plain,
    ! [X4,X5,X6,X4,X5,X6] :
      ( ( member(X6,X4)
        | ~ member(X6,difference(X4,X5)) )
      & ( ~ member(X6,X5)
        | ~ member(X6,difference(X4,X5)) )
      & ( ~ member(X6,X4)
        | member(X6,X5)
        | member(X6,difference(X4,X5)) ) ),
    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)],[difference_defn])])])])])]) ).

fof(c_0_7,plain,
    ! [X4,X5,X4,X5,X7] :
      ( ( member(esk3_2(X4,X5),X4)
        | ~ intersect(X4,X5) )
      & ( member(esk3_2(X4,X5),X5)
        | ~ intersect(X4,X5) )
      & ( ~ member(X7,X4)
        | ~ member(X7,X5)
        | intersect(X4,X5) ) ),
    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)],[intersect_defn])])])])])])]) ).

fof(c_0_8,plain,
    ! [X4,X5,X6,X4,X5,X6] :
      ( ( member(X6,X4)
        | ~ member(X6,intersection(X4,X5)) )
      & ( member(X6,X5)
        | ~ member(X6,intersection(X4,X5)) )
      & ( ~ member(X6,X4)
        | ~ member(X6,X5)
        | member(X6,intersection(X4,X5)) ) ),
    inference(distribute,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[intersection_defn])])])])]) ).

fof(c_0_9,negated_conjecture,
    ~ ! [X1,X2] : disjoint(intersection(X1,X2),difference(X1,X2)),
    inference(assume_negation,[status(cth)],[prove_intersection_and_difference_disjoint]) ).

cnf(c_0_10,plain,
    ( ~ member(X1,difference(X2,X3))
    | ~ member(X1,X3) ),
    inference(split_conjunct,[status(thm)],[c_0_6]) ).

cnf(c_0_11,plain,
    ( member(esk3_2(X1,X2),X2)
    | ~ intersect(X1,X2) ),
    inference(split_conjunct,[status(thm)],[c_0_7]) ).

cnf(c_0_12,plain,
    ( member(X1,X2)
    | ~ member(X1,intersection(X2,X3)) ),
    inference(split_conjunct,[status(thm)],[c_0_8]) ).

cnf(c_0_13,plain,
    ( member(esk3_2(X1,X2),X1)
    | ~ intersect(X1,X2) ),
    inference(split_conjunct,[status(thm)],[c_0_7]) ).

fof(c_0_14,negated_conjecture,
    ~ disjoint(intersection(esk1_0,esk2_0),difference(esk1_0,esk2_0)),
    inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[c_0_9])])]) ).

fof(c_0_15,plain,
    ! [X3,X4,X3,X4] :
      ( ( ~ disjoint(X3,X4)
        | ~ intersect(X3,X4) )
      & ( intersect(X3,X4)
        | disjoint(X3,X4) ) ),
    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)],[disjoint_defn])])])])]) ).

cnf(c_0_16,plain,
    ( ~ intersect(X1,difference(X2,X3))
    | ~ member(esk3_2(X1,difference(X2,X3)),X3) ),
    inference(spm,[status(thm)],[c_0_10,c_0_11]) ).

cnf(c_0_17,plain,
    ( member(esk3_2(intersection(X1,X2),X3),X1)
    | ~ intersect(intersection(X1,X2),X3) ),
    inference(spm,[status(thm)],[c_0_12,c_0_13]) ).

fof(c_0_18,plain,
    ! [X3,X4] : intersection(X3,X4) = intersection(X4,X3),
    inference(variable_rename,[status(thm)],[commutativity_of_intersection]) ).

cnf(c_0_19,negated_conjecture,
    ~ disjoint(intersection(esk1_0,esk2_0),difference(esk1_0,esk2_0)),
    inference(split_conjunct,[status(thm)],[c_0_14]) ).

cnf(c_0_20,plain,
    ( disjoint(X1,X2)
    | intersect(X1,X2) ),
    inference(split_conjunct,[status(thm)],[c_0_15]) ).

cnf(c_0_21,plain,
    ~ intersect(intersection(X1,X2),difference(X3,X1)),
    inference(spm,[status(thm)],[c_0_16,c_0_17]) ).

cnf(c_0_22,plain,
    intersection(X1,X2) = intersection(X2,X1),
    inference(split_conjunct,[status(thm)],[c_0_18]) ).

cnf(c_0_23,negated_conjecture,
    intersect(intersection(esk1_0,esk2_0),difference(esk1_0,esk2_0)),
    inference(spm,[status(thm)],[c_0_19,c_0_20]) ).

cnf(c_0_24,plain,
    ~ intersect(intersection(X1,X2),difference(X3,X2)),
    inference(spm,[status(thm)],[c_0_21,c_0_22]) ).

cnf(c_0_25,negated_conjecture,
    $false,
    inference(sr,[status(thm)],[c_0_23,c_0_24]),
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.04/0.13  % Problem  : SET629+3 : TPTP v8.1.0. Released v2.2.0.
% 0.04/0.14  % 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 Jul 10 10:05:16 EDT 2022
% 0.13/0.35  % CPUTime  : 
% 0.26/1.43  # Running protocol protocol_eprover_4a02c828a8cc55752123edbcc1ad40e453c11447 for 23 seconds:
% 0.26/1.43  # SinE strategy is GSinE(CountFormulas,hypos,1.4,,04,100,1.0)
% 0.26/1.43  # Preprocessing time       : 0.016 s
% 0.26/1.43  
% 0.26/1.43  # Proof found!
% 0.26/1.43  # SZS status Theorem
% 0.26/1.43  # SZS output start CNFRefutation
% See solution above
% 0.26/1.43  # Proof object total steps             : 26
% 0.26/1.43  # Proof object clause steps            : 13
% 0.26/1.43  # Proof object formula steps           : 13
% 0.26/1.43  # Proof object conjectures             : 6
% 0.26/1.43  # Proof object clause conjectures      : 3
% 0.26/1.43  # Proof object formula conjectures     : 3
% 0.26/1.43  # Proof object initial clauses used    : 7
% 0.26/1.43  # Proof object initial formulas used   : 6
% 0.26/1.43  # Proof object generating inferences   : 5
% 0.26/1.43  # Proof object simplifying inferences  : 1
% 0.26/1.43  # Training examples: 0 positive, 0 negative
% 0.26/1.43  # Parsed axioms                        : 8
% 0.26/1.43  # Removed by relevancy pruning/SinE    : 0
% 0.26/1.43  # Initial clauses                      : 18
% 0.26/1.43  # Removed in clause preprocessing      : 2
% 0.26/1.43  # Initial clauses in saturation        : 16
% 0.26/1.43  # Processed clauses                    : 44
% 0.26/1.43  # ...of these trivial                  : 0
% 0.26/1.43  # ...subsumed                          : 6
% 0.26/1.43  # ...remaining for further processing  : 38
% 0.26/1.43  # Other redundant clauses eliminated   : 0
% 0.26/1.43  # Clauses deleted for lack of memory   : 0
% 0.26/1.43  # Backward-subsumed                    : 0
% 0.26/1.43  # Backward-rewritten                   : 0
% 0.26/1.43  # Generated clauses                    : 111
% 0.26/1.43  # ...of the previous two non-trivial   : 92
% 0.26/1.43  # Contextual simplify-reflections      : 0
% 0.26/1.43  # Paramodulations                      : 108
% 0.26/1.43  # Factorizations                       : 2
% 0.26/1.43  # Equation resolutions                 : 0
% 0.26/1.43  # Current number of processed clauses  : 37
% 0.26/1.43  #    Positive orientable unit clauses  : 5
% 0.26/1.43  #    Positive unorientable unit clauses: 1
% 0.26/1.43  #    Negative unit clauses             : 7
% 0.26/1.43  #    Non-unit-clauses                  : 24
% 0.26/1.43  # Current number of unprocessed clauses: 64
% 0.26/1.43  # ...number of literals in the above   : 155
% 0.26/1.43  # Current number of archived formulas  : 0
% 0.26/1.43  # Current number of archived clauses   : 1
% 0.26/1.43  # Clause-clause subsumption calls (NU) : 52
% 0.26/1.43  # Rec. Clause-clause subsumption calls : 52
% 0.26/1.43  # Non-unit clause-clause subsumptions  : 6
% 0.26/1.43  # Unit Clause-clause subsumption calls : 11
% 0.26/1.43  # Rewrite failures with RHS unbound    : 0
% 0.26/1.43  # BW rewrite match attempts            : 2
% 0.26/1.43  # BW rewrite match successes           : 2
% 0.26/1.43  # Condensation attempts                : 0
% 0.26/1.43  # Condensation successes               : 0
% 0.26/1.43  # Termbank termtop insertions          : 2152
% 0.26/1.43  
% 0.26/1.43  # -------------------------------------------------
% 0.26/1.43  # User time                : 0.017 s
% 0.26/1.43  # System time              : 0.002 s
% 0.26/1.43  # Total time               : 0.019 s
% 0.26/1.43  # Maximum resident set size: 2772 pages
%------------------------------------------------------------------------------