TSTP Solution File: SEU126+2 by ET---2.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : ET---2.0
% Problem  : SEU126+2 : TPTP v8.1.0. Released v3.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_ET %s %d

% Computer : n020.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 09:16:57 EDT 2022

% Result   : Theorem 0.22s 1.40s
% Output   : CNFRefutation 0.22s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    5
%            Number of leaves      :    6
% Syntax   : Number of formulae    :   24 (  13 unt;   0 def)
%            Number of atoms       :   47 (  14 equ)
%            Maximal formula atoms :    7 (   1 avg)
%            Number of connectives :   40 (  17   ~;  14   |;   5   &)
%                                         (   1 <=>;   3  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   10 (   3 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    3 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    3 (   3 usr;   2 con; 0-2 aty)
%            Number of variables   :   44 (   5 sgn  27   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(d10_xboole_0,axiom,
    ! [X1,X2] :
      ( X1 = X2
    <=> ( subset(X1,X2)
        & subset(X2,X1) ) ),
    file('/export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p.mepo_128.in',d10_xboole_0) ).

fof(t8_xboole_1,lemma,
    ! [X1,X2,X3] :
      ( ( subset(X1,X2)
        & subset(X3,X2) )
     => subset(set_union2(X1,X3),X2) ),
    file('/export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p.mepo_128.in',t8_xboole_1) ).

fof(t7_xboole_1,lemma,
    ! [X1,X2] : subset(X1,set_union2(X1,X2)),
    file('/export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p.mepo_128.in',t7_xboole_1) ).

fof(commutativity_k2_xboole_0,axiom,
    ! [X1,X2] : set_union2(X1,X2) = set_union2(X2,X1),
    file('/export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p.mepo_128.in',commutativity_k2_xboole_0) ).

fof(t12_xboole_1,conjecture,
    ! [X1,X2] :
      ( subset(X1,X2)
     => set_union2(X1,X2) = X2 ),
    file('/export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p.mepo_128.in',t12_xboole_1) ).

fof(reflexivity_r1_tarski,axiom,
    ! [X1,X2] : subset(X1,X1),
    file('/export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p.mepo_128.in',reflexivity_r1_tarski) ).

fof(c_0_6,plain,
    ! [X3,X4,X3,X4] :
      ( ( subset(X3,X4)
        | X3 != X4 )
      & ( subset(X4,X3)
        | X3 != X4 )
      & ( ~ subset(X3,X4)
        | ~ subset(X4,X3)
        | X3 = X4 ) ),
    inference(distribute,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[d10_xboole_0])])])])]) ).

fof(c_0_7,lemma,
    ! [X4,X5,X6] :
      ( ~ subset(X4,X5)
      | ~ subset(X6,X5)
      | subset(set_union2(X4,X6),X5) ),
    inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[t8_xboole_1])]) ).

fof(c_0_8,lemma,
    ! [X3,X4] : subset(X3,set_union2(X3,X4)),
    inference(variable_rename,[status(thm)],[t7_xboole_1]) ).

fof(c_0_9,plain,
    ! [X3,X4] : set_union2(X3,X4) = set_union2(X4,X3),
    inference(variable_rename,[status(thm)],[commutativity_k2_xboole_0]) ).

fof(c_0_10,negated_conjecture,
    ~ ! [X1,X2] :
        ( subset(X1,X2)
       => set_union2(X1,X2) = X2 ),
    inference(assume_negation,[status(cth)],[t12_xboole_1]) ).

cnf(c_0_11,plain,
    ( X1 = X2
    | ~ subset(X2,X1)
    | ~ subset(X1,X2) ),
    inference(split_conjunct,[status(thm)],[c_0_6]) ).

cnf(c_0_12,lemma,
    ( subset(set_union2(X1,X2),X3)
    | ~ subset(X2,X3)
    | ~ subset(X1,X3) ),
    inference(split_conjunct,[status(thm)],[c_0_7]) ).

cnf(c_0_13,lemma,
    subset(X1,set_union2(X1,X2)),
    inference(split_conjunct,[status(thm)],[c_0_8]) ).

cnf(c_0_14,plain,
    set_union2(X1,X2) = set_union2(X2,X1),
    inference(split_conjunct,[status(thm)],[c_0_9]) ).

fof(c_0_15,plain,
    ! [X3] : subset(X3,X3),
    inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[reflexivity_r1_tarski])]) ).

fof(c_0_16,negated_conjecture,
    ( subset(esk1_0,esk2_0)
    & set_union2(esk1_0,esk2_0) != esk2_0 ),
    inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[c_0_10])])]) ).

cnf(c_0_17,lemma,
    ( X1 = set_union2(X2,X3)
    | ~ subset(X1,set_union2(X2,X3))
    | ~ subset(X3,X1)
    | ~ subset(X2,X1) ),
    inference(spm,[status(thm)],[c_0_11,c_0_12]) ).

cnf(c_0_18,lemma,
    subset(X1,set_union2(X2,X1)),
    inference(spm,[status(thm)],[c_0_13,c_0_14]) ).

cnf(c_0_19,plain,
    subset(X1,X1),
    inference(split_conjunct,[status(thm)],[c_0_15]) ).

cnf(c_0_20,negated_conjecture,
    set_union2(esk1_0,esk2_0) != esk2_0,
    inference(split_conjunct,[status(thm)],[c_0_16]) ).

cnf(c_0_21,lemma,
    ( set_union2(X1,X2) = X2
    | ~ subset(X1,X2) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_17,c_0_18]),c_0_19])]) ).

cnf(c_0_22,negated_conjecture,
    subset(esk1_0,esk2_0),
    inference(split_conjunct,[status(thm)],[c_0_16]) ).

cnf(c_0_23,negated_conjecture,
    $false,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_20,c_0_21]),c_0_22])]),
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.11  % Problem  : SEU126+2 : TPTP v8.1.0. Released v3.3.0.
% 0.06/0.12  % Command  : run_ET %s %d
% 0.11/0.33  % Computer : n020.cluster.edu
% 0.11/0.33  % Model    : x86_64 x86_64
% 0.11/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.33  % Memory   : 8042.1875MB
% 0.11/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.11/0.33  % CPULimit : 300
% 0.11/0.33  % WCLimit  : 600
% 0.11/0.33  % DateTime : Mon Jun 20 10:31:33 EDT 2022
% 0.11/0.33  % CPUTime  : 
% 0.22/1.40  # Running protocol protocol_eprover_4a02c828a8cc55752123edbcc1ad40e453c11447 for 23 seconds:
% 0.22/1.40  # SinE strategy is GSinE(CountFormulas,hypos,1.4,,04,100,1.0)
% 0.22/1.40  # Preprocessing time       : 0.016 s
% 0.22/1.40  
% 0.22/1.40  # Proof found!
% 0.22/1.40  # SZS status Theorem
% 0.22/1.40  # SZS output start CNFRefutation
% See solution above
% 0.22/1.40  # Proof object total steps             : 24
% 0.22/1.40  # Proof object clause steps            : 11
% 0.22/1.40  # Proof object formula steps           : 13
% 0.22/1.40  # Proof object conjectures             : 6
% 0.22/1.40  # Proof object clause conjectures      : 3
% 0.22/1.40  # Proof object formula conjectures     : 3
% 0.22/1.40  # Proof object initial clauses used    : 7
% 0.22/1.40  # Proof object initial formulas used   : 6
% 0.22/1.40  # Proof object generating inferences   : 4
% 0.22/1.40  # Proof object simplifying inferences  : 4
% 0.22/1.40  # Training examples: 0 positive, 0 negative
% 0.22/1.40  # Parsed axioms                        : 33
% 0.22/1.40  # Removed by relevancy pruning/SinE    : 10
% 0.22/1.40  # Initial clauses                      : 34
% 0.22/1.40  # Removed in clause preprocessing      : 0
% 0.22/1.40  # Initial clauses in saturation        : 34
% 0.22/1.40  # Processed clauses                    : 112
% 0.22/1.40  # ...of these trivial                  : 4
% 0.22/1.40  # ...subsumed                          : 29
% 0.22/1.40  # ...remaining for further processing  : 79
% 0.22/1.40  # Other redundant clauses eliminated   : 17
% 0.22/1.40  # Clauses deleted for lack of memory   : 0
% 0.22/1.40  # Backward-subsumed                    : 0
% 0.22/1.40  # Backward-rewritten                   : 7
% 0.22/1.40  # Generated clauses                    : 337
% 0.22/1.40  # ...of the previous two non-trivial   : 237
% 0.22/1.40  # Contextual simplify-reflections      : 4
% 0.22/1.40  # Paramodulations                      : 311
% 0.22/1.40  # Factorizations                       : 6
% 0.22/1.40  # Equation resolutions                 : 20
% 0.22/1.40  # Current number of processed clauses  : 70
% 0.22/1.40  #    Positive orientable unit clauses  : 10
% 0.22/1.40  #    Positive unorientable unit clauses: 1
% 0.22/1.40  #    Negative unit clauses             : 5
% 0.22/1.40  #    Non-unit-clauses                  : 54
% 0.22/1.40  # Current number of unprocessed clauses: 145
% 0.22/1.40  # ...number of literals in the above   : 490
% 0.22/1.40  # Current number of archived formulas  : 0
% 0.22/1.40  # Current number of archived clauses   : 7
% 0.22/1.40  # Clause-clause subsumption calls (NU) : 513
% 0.22/1.40  # Rec. Clause-clause subsumption calls : 488
% 0.22/1.40  # Non-unit clause-clause subsumptions  : 30
% 0.22/1.40  # Unit Clause-clause subsumption calls : 64
% 0.22/1.40  # Rewrite failures with RHS unbound    : 0
% 0.22/1.40  # BW rewrite match attempts            : 12
% 0.22/1.40  # BW rewrite match successes           : 9
% 0.22/1.40  # Condensation attempts                : 0
% 0.22/1.40  # Condensation successes               : 0
% 0.22/1.40  # Termbank termtop insertions          : 4356
% 0.22/1.40  
% 0.22/1.40  # -------------------------------------------------
% 0.22/1.40  # User time                : 0.021 s
% 0.22/1.40  # System time              : 0.002 s
% 0.22/1.40  # Total time               : 0.023 s
% 0.22/1.40  # Maximum resident set size: 3060 pages
%------------------------------------------------------------------------------