TSTP Solution File: SET585+3 by ET---2.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : ET---2.0
% Problem  : SET585+3 : TPTP v8.1.0. Released v2.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_ET %s %d

% Computer : n006.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 00:52:10 EDT 2022

% Result   : Theorem 0.27s 1.44s
% Output   : CNFRefutation 0.27s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    5
%            Number of leaves      :    6
% Syntax   : Number of formulae    :   24 (  20 unt;   0 def)
%            Number of atoms       :   31 (   6 equ)
%            Maximal formula atoms :    3 (   1 avg)
%            Number of connectives :   16 (   9   ~;   5   |;   1   &)
%                                         (   0 <=>;   1  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    7 (   3 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    3 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   3 con; 0-2 aty)
%            Number of variables   :   46 (   5 sgn  28   !;   0   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(prove_intersection_subset_of_union,conjecture,
    ! [X1,X2,X3] : subset(intersection(X1,X2),union(X1,X3)),
    file('/export/starexec/sandbox2/solver/bin/../tmp/theBenchmark.p.mepo_128.in',prove_intersection_subset_of_union) ).

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

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

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

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

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

fof(c_0_6,negated_conjecture,
    ~ ! [X1,X2,X3] : subset(intersection(X1,X2),union(X1,X3)),
    inference(assume_negation,[status(cth)],[prove_intersection_subset_of_union]) ).

fof(c_0_7,plain,
    ! [X3,X4] : subset(X3,union(X3,X4)),
    inference(variable_rename,[status(thm)],[subset_of_union]) ).

fof(c_0_8,plain,
    ! [X3,X4] : union(X3,X4) = union(X4,X3),
    inference(variable_rename,[status(thm)],[commutativity_of_union]) ).

fof(c_0_9,negated_conjecture,
    ~ subset(intersection(esk1_0,esk2_0),union(esk1_0,esk3_0)),
    inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[c_0_6])])]) ).

fof(c_0_10,plain,
    ! [X3,X4] : intersection(X3,X4) = intersection(X4,X3),
    inference(variable_rename,[status(thm)],[commutativity_of_intersection]) ).

fof(c_0_11,plain,
    ! [X4,X5,X6] :
      ( ~ subset(X4,X5)
      | ~ subset(X5,X6)
      | subset(X4,X6) ),
    inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[transitivity_of_subset])]) ).

cnf(c_0_12,plain,
    subset(X1,union(X1,X2)),
    inference(split_conjunct,[status(thm)],[c_0_7]) ).

cnf(c_0_13,plain,
    union(X1,X2) = union(X2,X1),
    inference(split_conjunct,[status(thm)],[c_0_8]) ).

fof(c_0_14,plain,
    ! [X3,X4] : subset(intersection(X3,X4),X3),
    inference(variable_rename,[status(thm)],[intersection_is_subset]) ).

cnf(c_0_15,negated_conjecture,
    ~ subset(intersection(esk1_0,esk2_0),union(esk1_0,esk3_0)),
    inference(split_conjunct,[status(thm)],[c_0_9]) ).

cnf(c_0_16,plain,
    intersection(X1,X2) = intersection(X2,X1),
    inference(split_conjunct,[status(thm)],[c_0_10]) ).

cnf(c_0_17,plain,
    ( subset(X1,X2)
    | ~ subset(X3,X2)
    | ~ subset(X1,X3) ),
    inference(split_conjunct,[status(thm)],[c_0_11]) ).

cnf(c_0_18,plain,
    subset(X1,union(X2,X1)),
    inference(spm,[status(thm)],[c_0_12,c_0_13]) ).

cnf(c_0_19,plain,
    subset(intersection(X1,X2),X1),
    inference(split_conjunct,[status(thm)],[c_0_14]) ).

cnf(c_0_20,negated_conjecture,
    ~ subset(intersection(esk2_0,esk1_0),union(esk3_0,esk1_0)),
    inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_15,c_0_13]),c_0_16]) ).

cnf(c_0_21,plain,
    ( subset(X1,union(X2,X3))
    | ~ subset(X1,X3) ),
    inference(spm,[status(thm)],[c_0_17,c_0_18]) ).

cnf(c_0_22,plain,
    subset(intersection(X1,X2),X2),
    inference(spm,[status(thm)],[c_0_19,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
% 0.04/0.13  % Problem  : SET585+3 : TPTP v8.1.0. Released v2.2.0.
% 0.04/0.14  % Command  : run_ET %s %d
% 0.15/0.36  % Computer : n006.cluster.edu
% 0.15/0.36  % Model    : x86_64 x86_64
% 0.15/0.36  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.15/0.36  % Memory   : 8042.1875MB
% 0.15/0.36  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.15/0.36  % CPULimit : 300
% 0.15/0.36  % WCLimit  : 600
% 0.15/0.36  % DateTime : Sun Jul 10 13:55:36 EDT 2022
% 0.15/0.36  % CPUTime  : 
% 0.27/1.44  # Running protocol protocol_eprover_4a02c828a8cc55752123edbcc1ad40e453c11447 for 23 seconds:
% 0.27/1.44  # SinE strategy is GSinE(CountFormulas,hypos,1.4,,04,100,1.0)
% 0.27/1.44  # Preprocessing time       : 0.016 s
% 0.27/1.44  
% 0.27/1.44  # Proof found!
% 0.27/1.44  # SZS status Theorem
% 0.27/1.44  # SZS output start CNFRefutation
% See solution above
% 0.27/1.44  # Proof object total steps             : 24
% 0.27/1.44  # Proof object clause steps            : 11
% 0.27/1.44  # Proof object formula steps           : 13
% 0.27/1.44  # Proof object conjectures             : 6
% 0.27/1.44  # Proof object clause conjectures      : 3
% 0.27/1.44  # Proof object formula conjectures     : 3
% 0.27/1.44  # Proof object initial clauses used    : 6
% 0.27/1.44  # Proof object initial formulas used   : 6
% 0.27/1.44  # Proof object generating inferences   : 4
% 0.27/1.44  # Proof object simplifying inferences  : 4
% 0.27/1.44  # Training examples: 0 positive, 0 negative
% 0.27/1.44  # Parsed axioms                        : 11
% 0.27/1.44  # Removed by relevancy pruning/SinE    : 0
% 0.27/1.44  # Initial clauses                      : 20
% 0.27/1.44  # Removed in clause preprocessing      : 2
% 0.27/1.44  # Initial clauses in saturation        : 18
% 0.27/1.44  # Processed clauses                    : 48
% 0.27/1.44  # ...of these trivial                  : 8
% 0.27/1.44  # ...subsumed                          : 8
% 0.27/1.44  # ...remaining for further processing  : 32
% 0.27/1.44  # Other redundant clauses eliminated   : 0
% 0.27/1.44  # Clauses deleted for lack of memory   : 0
% 0.27/1.44  # Backward-subsumed                    : 0
% 0.27/1.44  # Backward-rewritten                   : 1
% 0.27/1.44  # Generated clauses                    : 135
% 0.27/1.44  # ...of the previous two non-trivial   : 104
% 0.27/1.44  # Contextual simplify-reflections      : 0
% 0.27/1.44  # Paramodulations                      : 133
% 0.27/1.44  # Factorizations                       : 2
% 0.27/1.44  # Equation resolutions                 : 0
% 0.27/1.44  # Current number of processed clauses  : 31
% 0.27/1.44  #    Positive orientable unit clauses  : 10
% 0.27/1.44  #    Positive unorientable unit clauses: 2
% 0.27/1.44  #    Negative unit clauses             : 1
% 0.27/1.44  #    Non-unit-clauses                  : 18
% 0.27/1.44  # Current number of unprocessed clauses: 74
% 0.27/1.44  # ...number of literals in the above   : 145
% 0.27/1.44  # Current number of archived formulas  : 0
% 0.27/1.44  # Current number of archived clauses   : 1
% 0.27/1.44  # Clause-clause subsumption calls (NU) : 33
% 0.27/1.44  # Rec. Clause-clause subsumption calls : 33
% 0.27/1.44  # Non-unit clause-clause subsumptions  : 8
% 0.27/1.44  # Unit Clause-clause subsumption calls : 2
% 0.27/1.44  # Rewrite failures with RHS unbound    : 0
% 0.27/1.44  # BW rewrite match attempts            : 16
% 0.27/1.44  # BW rewrite match successes           : 6
% 0.27/1.44  # Condensation attempts                : 0
% 0.27/1.44  # Condensation successes               : 0
% 0.27/1.44  # Termbank termtop insertions          : 2116
% 0.27/1.44  
% 0.27/1.44  # -------------------------------------------------
% 0.27/1.44  # User time                : 0.016 s
% 0.27/1.44  # System time              : 0.002 s
% 0.27/1.44  # Total time               : 0.018 s
% 0.27/1.44  # Maximum resident set size: 2776 pages
%------------------------------------------------------------------------------