↑ Up

ET---2.0.THM-CRf.s

View TPTP
Problem
Process solution in
SystemOnTSTP
Download .tgz
%------------------------------------------------------------------------------
% File     : ET---2.0
% Problem  : SET581+3 : TPTP v8.1.0. Released v2.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_ET %s %d

% Computer : n027.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 00:52:07 EDT 2022

% Result   : Theorem 0.23s 1.42s
% Output   : CNFRefutation 0.23s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    6
%            Number of leaves      :    4
% Syntax   : Number of formulae    :   18 (   8 unt;   0 def)
%            Number of atoms       :   40 (   5 equ)
%            Maximal formula atoms :    7 (   2 avg)
%            Number of connectives :   39 (  17   ~;  10   |;   8   &)
%                                         (   2 <=>;   2  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   12 (   4 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    4 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   4 con; 0-2 aty)
%            Number of variables   :   30 (   6 sgn  23   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(prove_th24,conjecture,
    ! [X1,X2,X3] :
      ( ( member(X1,X2)
        & member(X1,X3) )
     => not_equal(intersection(X2,X3),empty_set) ),
    file('/export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p.mepo_128.in',prove_th24) ).

fof(not_equal_defn,axiom,
    ! [X1,X2] :
      ( not_equal(X1,X2)
    <=> X1 != X2 ),
    file('/export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p.mepo_128.in',not_equal_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(empty_set_defn,axiom,
    ! [X1] : ~ member(X1,empty_set),
    file('/export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p.mepo_128.in',empty_set_defn) ).

fof(c_0_4,negated_conjecture,
    ~ ! [X1,X2,X3] :
        ( ( member(X1,X2)
          & member(X1,X3) )
       => not_equal(intersection(X2,X3),empty_set) ),
    inference(assume_negation,[status(cth)],[prove_th24]) ).

fof(c_0_5,negated_conjecture,
    ( member(esk1_0,esk2_0)
    & member(esk1_0,esk3_0)
    & ~ not_equal(intersection(esk2_0,esk3_0),empty_set) ),
    inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[c_0_4])])]) ).

fof(c_0_6,plain,
    ! [X3,X4,X3,X4] :
      ( ( ~ not_equal(X3,X4)
        | X3 != X4 )
      & ( X3 = X4
        | not_equal(X3,X4) ) ),
    inference(shift_quantors,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[not_equal_defn])])])]) ).

fof(c_0_7,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])])])])]) ).

cnf(c_0_8,negated_conjecture,
    ~ not_equal(intersection(esk2_0,esk3_0),empty_set),
    inference(split_conjunct,[status(thm)],[c_0_5]) ).

cnf(c_0_9,plain,
    ( not_equal(X1,X2)
    | X1 = X2 ),
    inference(split_conjunct,[status(thm)],[c_0_6]) ).

fof(c_0_10,plain,
    ! [X2] : ~ member(X2,empty_set),
    inference(variable_rename,[status(thm)],[inference(fof_simplification,[status(thm)],[empty_set_defn])]) ).

cnf(c_0_11,plain,
    ( member(X1,intersection(X2,X3))
    | ~ member(X1,X3)
    | ~ member(X1,X2) ),
    inference(split_conjunct,[status(thm)],[c_0_7]) ).

cnf(c_0_12,negated_conjecture,
    intersection(esk2_0,esk3_0) = empty_set,
    inference(spm,[status(thm)],[c_0_8,c_0_9]) ).

cnf(c_0_13,plain,
    ~ member(X1,empty_set),
    inference(split_conjunct,[status(thm)],[c_0_10]) ).

cnf(c_0_14,negated_conjecture,
    ( ~ member(X1,esk3_0)
    | ~ member(X1,esk2_0) ),
    inference(sr,[status(thm)],[inference(spm,[status(thm)],[c_0_11,c_0_12]),c_0_13]) ).

cnf(c_0_15,negated_conjecture,
    member(esk1_0,esk3_0),
    inference(split_conjunct,[status(thm)],[c_0_5]) ).

cnf(c_0_16,negated_conjecture,
    member(esk1_0,esk2_0),
    inference(split_conjunct,[status(thm)],[c_0_5]) ).

cnf(c_0_17,negated_conjecture,
    $false,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_14,c_0_15]),c_0_16])]),
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : SET581+3 : TPTP v8.1.0. Released v2.2.0.
% 0.07/0.13  % Command  : run_ET %s %d
% 0.13/0.34  % Computer : n027.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit : 300
% 0.13/0.34  % WCLimit  : 600
% 0.13/0.34  % DateTime : Sat Jul  9 17:24:02 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 0.23/1.42  # Running protocol protocol_eprover_4a02c828a8cc55752123edbcc1ad40e453c11447 for 23 seconds:
% 0.23/1.42  # SinE strategy is GSinE(CountFormulas,hypos,1.4,,04,100,1.0)
% 0.23/1.42  # Preprocessing time       : 0.015 s
% 0.23/1.42  
% 0.23/1.42  # Proof found!
% 0.23/1.42  # SZS status Theorem
% 0.23/1.42  # SZS output start CNFRefutation
% See solution above
% 0.23/1.42  # Proof object total steps             : 18
% 0.23/1.42  # Proof object clause steps            : 9
% 0.23/1.42  # Proof object formula steps           : 9
% 0.23/1.42  # Proof object conjectures             : 9
% 0.23/1.42  # Proof object clause conjectures      : 6
% 0.23/1.42  # Proof object formula conjectures     : 3
% 0.23/1.42  # Proof object initial clauses used    : 6
% 0.23/1.42  # Proof object initial formulas used   : 4
% 0.23/1.42  # Proof object generating inferences   : 3
% 0.23/1.42  # Proof object simplifying inferences  : 3
% 0.23/1.42  # Training examples: 0 positive, 0 negative
% 0.23/1.42  # Parsed axioms                        : 7
% 0.23/1.42  # Removed by relevancy pruning/SinE    : 1
% 0.23/1.42  # Initial clauses                      : 14
% 0.23/1.42  # Removed in clause preprocessing      : 2
% 0.23/1.42  # Initial clauses in saturation        : 12
% 0.23/1.42  # Processed clauses                    : 21
% 0.23/1.42  # ...of these trivial                  : 0
% 0.23/1.42  # ...subsumed                          : 4
% 0.23/1.42  # ...remaining for further processing  : 17
% 0.23/1.42  # Other redundant clauses eliminated   : 1
% 0.23/1.42  # Clauses deleted for lack of memory   : 0
% 0.23/1.42  # Backward-subsumed                    : 0
% 0.23/1.42  # Backward-rewritten                   : 1
% 0.23/1.42  # Generated clauses                    : 33
% 0.23/1.42  # ...of the previous two non-trivial   : 28
% 0.23/1.42  # Contextual simplify-reflections      : 0
% 0.23/1.42  # Paramodulations                      : 30
% 0.23/1.42  # Factorizations                       : 2
% 0.23/1.42  # Equation resolutions                 : 1
% 0.23/1.42  # Current number of processed clauses  : 15
% 0.23/1.42  #    Positive orientable unit clauses  : 3
% 0.23/1.42  #    Positive unorientable unit clauses: 1
% 0.23/1.42  #    Negative unit clauses             : 2
% 0.23/1.42  #    Non-unit-clauses                  : 9
% 0.23/1.42  # Current number of unprocessed clauses: 19
% 0.23/1.42  # ...number of literals in the above   : 48
% 0.23/1.42  # Current number of archived formulas  : 0
% 0.23/1.42  # Current number of archived clauses   : 1
% 0.23/1.42  # Clause-clause subsumption calls (NU) : 5
% 0.23/1.42  # Rec. Clause-clause subsumption calls : 5
% 0.23/1.42  # Non-unit clause-clause subsumptions  : 1
% 0.23/1.42  # Unit Clause-clause subsumption calls : 1
% 0.23/1.42  # Rewrite failures with RHS unbound    : 0
% 0.23/1.42  # BW rewrite match attempts            : 3
% 0.23/1.42  # BW rewrite match successes           : 3
% 0.23/1.42  # Condensation attempts                : 0
% 0.23/1.42  # Condensation successes               : 0
% 0.23/1.42  # Termbank termtop insertions          : 972
% 0.23/1.42  
% 0.23/1.42  # -------------------------------------------------
% 0.23/1.42  # User time                : 0.014 s
% 0.23/1.42  # System time              : 0.002 s
% 0.23/1.42  # Total time               : 0.016 s
% 0.23/1.42  # Maximum resident set size: 2772 pages
%------------------------------------------------------------------------------