TSTP Solution File: SEU127+2 by ET---2.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : ET---2.0
% Problem  : SEU127+2 : TPTP v8.1.0. Released v3.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_ET %s %d

% Computer : n013.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 09:16:58 EDT 2022

% Result   : Theorem 0.26s 1.45s
% Output   : CNFRefutation 0.26s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    6
%            Number of leaves      :    4
% Syntax   : Number of formulae    :   19 (  10 unt;   0 def)
%            Number of atoms       :   55 (  11 equ)
%            Maximal formula atoms :   20 (   2 avg)
%            Number of connectives :   57 (  21   ~;  24   |;   8   &)
%                                         (   3 <=>;   1  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   17 (   4 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    4 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   2 con; 0-3 aty)
%            Number of variables   :   46 (   9 sgn  28   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(d3_xboole_0,axiom,
    ! [X1,X2,X3] :
      ( X3 = set_intersection2(X1,X2)
    <=> ! [X4] :
          ( in(X4,X3)
        <=> ( in(X4,X1)
            & in(X4,X2) ) ) ),
    file('/export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p.mepo_128.in',d3_xboole_0) ).

fof(t17_xboole_1,conjecture,
    ! [X1,X2] : subset(set_intersection2(X1,X2),X1),
    file('/export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p.mepo_128.in',t17_xboole_1) ).

fof(d3_tarski,axiom,
    ! [X1,X2] :
      ( subset(X1,X2)
    <=> ! [X3] :
          ( in(X3,X1)
         => in(X3,X2) ) ),
    file('/export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p.mepo_128.in',d3_tarski) ).

fof(commutativity_k3_xboole_0,axiom,
    ! [X1,X2] : set_intersection2(X1,X2) = set_intersection2(X2,X1),
    file('/export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p.mepo_128.in',commutativity_k3_xboole_0) ).

fof(c_0_4,plain,
    ! [X5,X6,X7,X8,X8,X5,X6,X7] :
      ( ( in(X8,X5)
        | ~ in(X8,X7)
        | X7 != set_intersection2(X5,X6) )
      & ( in(X8,X6)
        | ~ in(X8,X7)
        | X7 != set_intersection2(X5,X6) )
      & ( ~ in(X8,X5)
        | ~ in(X8,X6)
        | in(X8,X7)
        | X7 != set_intersection2(X5,X6) )
      & ( ~ in(esk4_3(X5,X6,X7),X7)
        | ~ in(esk4_3(X5,X6,X7),X5)
        | ~ in(esk4_3(X5,X6,X7),X6)
        | X7 = set_intersection2(X5,X6) )
      & ( in(esk4_3(X5,X6,X7),X5)
        | in(esk4_3(X5,X6,X7),X7)
        | X7 = set_intersection2(X5,X6) )
      & ( in(esk4_3(X5,X6,X7),X6)
        | in(esk4_3(X5,X6,X7),X7)
        | X7 = set_intersection2(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)],[d3_xboole_0])])])])])])]) ).

fof(c_0_5,negated_conjecture,
    ~ ! [X1,X2] : subset(set_intersection2(X1,X2),X1),
    inference(assume_negation,[status(cth)],[t17_xboole_1]) ).

cnf(c_0_6,plain,
    ( in(X4,X3)
    | X1 != set_intersection2(X2,X3)
    | ~ in(X4,X1) ),
    inference(split_conjunct,[status(thm)],[c_0_4]) ).

fof(c_0_7,plain,
    ! [X4,X5,X6,X4,X5] :
      ( ( ~ subset(X4,X5)
        | ~ in(X6,X4)
        | in(X6,X5) )
      & ( in(esk3_2(X4,X5),X4)
        | subset(X4,X5) )
      & ( ~ in(esk3_2(X4,X5),X5)
        | subset(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)],[d3_tarski])])])])])])]) ).

fof(c_0_8,negated_conjecture,
    ~ subset(set_intersection2(esk1_0,esk2_0),esk1_0),
    inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[c_0_5])])]) ).

fof(c_0_9,plain,
    ! [X3,X4] : set_intersection2(X3,X4) = set_intersection2(X4,X3),
    inference(variable_rename,[status(thm)],[commutativity_k3_xboole_0]) ).

cnf(c_0_10,plain,
    ( in(X1,X2)
    | ~ in(X1,set_intersection2(X3,X2)) ),
    inference(er,[status(thm)],[c_0_6]) ).

cnf(c_0_11,plain,
    ( subset(X1,X2)
    | in(esk3_2(X1,X2),X1) ),
    inference(split_conjunct,[status(thm)],[c_0_7]) ).

cnf(c_0_12,negated_conjecture,
    ~ subset(set_intersection2(esk1_0,esk2_0),esk1_0),
    inference(split_conjunct,[status(thm)],[c_0_8]) ).

cnf(c_0_13,plain,
    set_intersection2(X1,X2) = set_intersection2(X2,X1),
    inference(split_conjunct,[status(thm)],[c_0_9]) ).

cnf(c_0_14,plain,
    ( subset(X1,X2)
    | ~ in(esk3_2(X1,X2),X2) ),
    inference(split_conjunct,[status(thm)],[c_0_7]) ).

cnf(c_0_15,plain,
    ( subset(set_intersection2(X1,X2),X3)
    | in(esk3_2(set_intersection2(X1,X2),X3),X2) ),
    inference(spm,[status(thm)],[c_0_10,c_0_11]) ).

cnf(c_0_16,negated_conjecture,
    ~ subset(set_intersection2(esk2_0,esk1_0),esk1_0),
    inference(rw,[status(thm)],[c_0_12,c_0_13]) ).

cnf(c_0_17,plain,
    subset(set_intersection2(X1,X2),X2),
    inference(spm,[status(thm)],[c_0_14,c_0_15]) ).

cnf(c_0_18,negated_conjecture,
    $false,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_16,c_0_17])]),
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.14  % Problem  : SEU127+2 : TPTP v8.1.0. Released v3.3.0.
% 0.07/0.14  % Command  : run_ET %s %d
% 0.13/0.36  % Computer : n013.cluster.edu
% 0.13/0.36  % Model    : x86_64 x86_64
% 0.13/0.36  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.36  % Memory   : 8042.1875MB
% 0.13/0.36  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.36  % CPULimit : 300
% 0.13/0.36  % WCLimit  : 600
% 0.13/0.36  % DateTime : Sun Jun 19 13:29:59 EDT 2022
% 0.13/0.36  % CPUTime  : 
% 0.26/1.45  # Running protocol protocol_eprover_4a02c828a8cc55752123edbcc1ad40e453c11447 for 23 seconds:
% 0.26/1.45  # SinE strategy is GSinE(CountFormulas,hypos,1.4,,04,100,1.0)
% 0.26/1.45  # Preprocessing time       : 0.016 s
% 0.26/1.45  
% 0.26/1.45  # Proof found!
% 0.26/1.45  # SZS status Theorem
% 0.26/1.45  # SZS output start CNFRefutation
% See solution above
% 0.26/1.45  # Proof object total steps             : 19
% 0.26/1.45  # Proof object clause steps            : 10
% 0.26/1.45  # Proof object formula steps           : 9
% 0.26/1.45  # Proof object conjectures             : 6
% 0.26/1.45  # Proof object clause conjectures      : 3
% 0.26/1.45  # Proof object formula conjectures     : 3
% 0.26/1.45  # Proof object initial clauses used    : 5
% 0.26/1.45  # Proof object initial formulas used   : 4
% 0.26/1.45  # Proof object generating inferences   : 3
% 0.26/1.45  # Proof object simplifying inferences  : 3
% 0.26/1.45  # Training examples: 0 positive, 0 negative
% 0.26/1.45  # Parsed axioms                        : 35
% 0.26/1.45  # Removed by relevancy pruning/SinE    : 7
% 0.26/1.45  # Initial clauses                      : 43
% 0.26/1.45  # Removed in clause preprocessing      : 0
% 0.26/1.45  # Initial clauses in saturation        : 43
% 0.26/1.45  # Processed clauses                    : 907
% 0.26/1.45  # ...of these trivial                  : 34
% 0.26/1.45  # ...subsumed                          : 597
% 0.26/1.45  # ...remaining for further processing  : 276
% 0.26/1.45  # Other redundant clauses eliminated   : 38
% 0.26/1.45  # Clauses deleted for lack of memory   : 0
% 0.26/1.45  # Backward-subsumed                    : 3
% 0.26/1.45  # Backward-rewritten                   : 10
% 0.26/1.45  # Generated clauses                    : 3709
% 0.26/1.45  # ...of the previous two non-trivial   : 3194
% 0.26/1.45  # Contextual simplify-reflections      : 221
% 0.26/1.45  # Paramodulations                      : 3590
% 0.26/1.45  # Factorizations                       : 68
% 0.26/1.45  # Equation resolutions                 : 51
% 0.26/1.45  # Current number of processed clauses  : 261
% 0.26/1.45  #    Positive orientable unit clauses  : 25
% 0.26/1.45  #    Positive unorientable unit clauses: 2
% 0.26/1.45  #    Negative unit clauses             : 11
% 0.26/1.45  #    Non-unit-clauses                  : 223
% 0.26/1.45  # Current number of unprocessed clauses: 2299
% 0.26/1.45  # ...number of literals in the above   : 7605
% 0.26/1.45  # Current number of archived formulas  : 0
% 0.26/1.45  # Current number of archived clauses   : 13
% 0.26/1.45  # Clause-clause subsumption calls (NU) : 21621
% 0.26/1.45  # Rec. Clause-clause subsumption calls : 17583
% 0.26/1.45  # Non-unit clause-clause subsumptions  : 780
% 0.26/1.45  # Unit Clause-clause subsumption calls : 270
% 0.26/1.45  # Rewrite failures with RHS unbound    : 0
% 0.26/1.45  # BW rewrite match attempts            : 50
% 0.26/1.45  # BW rewrite match successes           : 14
% 0.26/1.45  # Condensation attempts                : 0
% 0.26/1.45  # Condensation successes               : 0
% 0.26/1.45  # Termbank termtop insertions          : 36266
% 0.26/1.45  
% 0.26/1.45  # -------------------------------------------------
% 0.26/1.45  # User time                : 0.090 s
% 0.26/1.45  # System time              : 0.005 s
% 0.26/1.45  # Total time               : 0.095 s
% 0.26/1.45  # Maximum resident set size: 5176 pages
%------------------------------------------------------------------------------