TSTP Solution File: SEU130+2 by ET---2.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : ET---2.0
% Problem  : SEU130+2 : TPTP v8.1.0. Released v3.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_ET %s %d

% Computer : n008.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 09:17:00 EDT 2022

% Result   : Theorem 0.25s 1.43s
% Output   : CNFRefutation 0.25s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    5
%            Number of leaves      :    6
% Syntax   : Number of formulae    :   25 (  14 unt;   0 def)
%            Number of atoms       :   44 (  18 equ)
%            Maximal formula atoms :    7 (   1 avg)
%            Number of connectives :   34 (  15   ~;  11   |;   4   &)
%                                         (   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(t28_xboole_1,conjecture,
    ! [X1,X2] :
      ( subset(X1,X2)
     => set_intersection2(X1,X2) = X1 ),
    file('/export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p.mepo_128.in',t28_xboole_1) ).

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

fof(t26_xboole_1,lemma,
    ! [X1,X2,X3] :
      ( subset(X1,X2)
     => subset(set_intersection2(X1,X3),set_intersection2(X2,X3)) ),
    file('/export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p.mepo_128.in',t26_xboole_1) ).

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

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

fof(idempotence_k3_xboole_0,axiom,
    ! [X1,X2] : set_intersection2(X1,X1) = X1,
    file('/export/starexec/sandbox/solver/bin/../tmp/theBenchmark.p.mepo_128.in',idempotence_k3_xboole_0) ).

fof(c_0_6,negated_conjecture,
    ~ ! [X1,X2] :
        ( subset(X1,X2)
       => set_intersection2(X1,X2) = X1 ),
    inference(assume_negation,[status(cth)],[t28_xboole_1]) ).

fof(c_0_7,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_8,lemma,
    ! [X4,X5,X6] :
      ( ~ subset(X4,X5)
      | subset(set_intersection2(X4,X6),set_intersection2(X5,X6)) ),
    inference(shift_quantors,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[t26_xboole_1])])])]) ).

fof(c_0_9,lemma,
    ! [X3,X4] : subset(set_intersection2(X3,X4),X3),
    inference(variable_rename,[status(thm)],[t17_xboole_1]) ).

fof(c_0_10,plain,
    ! [X3,X4] : set_intersection2(X3,X4) = set_intersection2(X4,X3),
    inference(variable_rename,[status(thm)],[commutativity_k3_xboole_0]) ).

fof(c_0_11,negated_conjecture,
    ( subset(esk1_0,esk2_0)
    & set_intersection2(esk1_0,esk2_0) != esk1_0 ),
    inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[c_0_6])])]) ).

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

cnf(c_0_13,lemma,
    ( subset(set_intersection2(X1,X2),set_intersection2(X3,X2))
    | ~ subset(X1,X3) ),
    inference(split_conjunct,[status(thm)],[c_0_8]) ).

fof(c_0_14,plain,
    ! [X3] : set_intersection2(X3,X3) = X3,
    inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[idempotence_k3_xboole_0])]) ).

cnf(c_0_15,lemma,
    subset(set_intersection2(X1,X2),X1),
    inference(split_conjunct,[status(thm)],[c_0_9]) ).

cnf(c_0_16,plain,
    set_intersection2(X1,X2) = set_intersection2(X2,X1),
    inference(split_conjunct,[status(thm)],[c_0_10]) ).

cnf(c_0_17,negated_conjecture,
    set_intersection2(esk1_0,esk2_0) != esk1_0,
    inference(split_conjunct,[status(thm)],[c_0_11]) ).

cnf(c_0_18,lemma,
    ( set_intersection2(X1,X2) = set_intersection2(X3,X2)
    | ~ subset(set_intersection2(X1,X2),set_intersection2(X3,X2))
    | ~ subset(X3,X1) ),
    inference(spm,[status(thm)],[c_0_12,c_0_13]) ).

cnf(c_0_19,plain,
    set_intersection2(X1,X1) = X1,
    inference(split_conjunct,[status(thm)],[c_0_14]) ).

cnf(c_0_20,lemma,
    subset(set_intersection2(X1,X2),X2),
    inference(spm,[status(thm)],[c_0_15,c_0_16]) ).

cnf(c_0_21,negated_conjecture,
    set_intersection2(esk2_0,esk1_0) != esk1_0,
    inference(rw,[status(thm)],[c_0_17,c_0_16]) ).

cnf(c_0_22,lemma,
    ( set_intersection2(X1,X2) = X2
    | ~ subset(X2,X1) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_18,c_0_19]),c_0_20])]) ).

cnf(c_0_23,negated_conjecture,
    subset(esk1_0,esk2_0),
    inference(split_conjunct,[status(thm)],[c_0_11]) ).

cnf(c_0_24,negated_conjecture,
    $false,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_21,c_0_22]),c_0_23])]),
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.13  % Problem  : SEU130+2 : TPTP v8.1.0. Released v3.3.0.
% 0.11/0.13  % Command  : run_ET %s %d
% 0.13/0.35  % Computer : n008.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 Jun 19 03:30:52 EDT 2022
% 0.13/0.35  % CPUTime  : 
% 0.25/1.43  # Running protocol protocol_eprover_4a02c828a8cc55752123edbcc1ad40e453c11447 for 23 seconds:
% 0.25/1.43  # SinE strategy is GSinE(CountFormulas,hypos,1.4,,04,100,1.0)
% 0.25/1.43  # Preprocessing time       : 0.017 s
% 0.25/1.43  
% 0.25/1.43  # Proof found!
% 0.25/1.43  # SZS status Theorem
% 0.25/1.43  # SZS output start CNFRefutation
% See solution above
% 0.25/1.43  # Proof object total steps             : 25
% 0.25/1.43  # Proof object clause steps            : 12
% 0.25/1.43  # Proof object formula steps           : 13
% 0.25/1.43  # Proof object conjectures             : 7
% 0.25/1.43  # Proof object clause conjectures      : 4
% 0.25/1.43  # Proof object formula conjectures     : 3
% 0.25/1.43  # Proof object initial clauses used    : 7
% 0.25/1.43  # Proof object initial formulas used   : 6
% 0.25/1.43  # Proof object generating inferences   : 4
% 0.25/1.43  # Proof object simplifying inferences  : 5
% 0.25/1.43  # Training examples: 0 positive, 0 negative
% 0.25/1.43  # Parsed axioms                        : 38
% 0.25/1.43  # Removed by relevancy pruning/SinE    : 7
% 0.25/1.43  # Initial clauses                      : 47
% 0.25/1.43  # Removed in clause preprocessing      : 0
% 0.25/1.43  # Initial clauses in saturation        : 47
% 0.25/1.43  # Processed clauses                    : 845
% 0.25/1.43  # ...of these trivial                  : 41
% 0.25/1.43  # ...subsumed                          : 576
% 0.25/1.43  # ...remaining for further processing  : 228
% 0.25/1.43  # Other redundant clauses eliminated   : 32
% 0.25/1.43  # Clauses deleted for lack of memory   : 0
% 0.25/1.43  # Backward-subsumed                    : 4
% 0.25/1.43  # Backward-rewritten                   : 9
% 0.25/1.43  # Generated clauses                    : 3422
% 0.25/1.43  # ...of the previous two non-trivial   : 2390
% 0.25/1.43  # Contextual simplify-reflections      : 137
% 0.25/1.43  # Paramodulations                      : 3365
% 0.25/1.43  # Factorizations                       : 16
% 0.25/1.43  # Equation resolutions                 : 41
% 0.25/1.43  # Current number of processed clauses  : 213
% 0.25/1.43  #    Positive orientable unit clauses  : 35
% 0.25/1.43  #    Positive unorientable unit clauses: 2
% 0.25/1.43  #    Negative unit clauses             : 15
% 0.25/1.43  #    Non-unit-clauses                  : 161
% 0.25/1.43  # Current number of unprocessed clauses: 1554
% 0.25/1.43  # ...number of literals in the above   : 4735
% 0.25/1.43  # Current number of archived formulas  : 0
% 0.25/1.43  # Current number of archived clauses   : 13
% 0.25/1.43  # Clause-clause subsumption calls (NU) : 12441
% 0.25/1.43  # Rec. Clause-clause subsumption calls : 10642
% 0.25/1.43  # Non-unit clause-clause subsumptions  : 467
% 0.25/1.43  # Unit Clause-clause subsumption calls : 811
% 0.25/1.43  # Rewrite failures with RHS unbound    : 0
% 0.25/1.43  # BW rewrite match attempts            : 75
% 0.25/1.43  # BW rewrite match successes           : 15
% 0.25/1.43  # Condensation attempts                : 0
% 0.25/1.43  # Condensation successes               : 0
% 0.25/1.43  # Termbank termtop insertions          : 28825
% 0.25/1.43  
% 0.25/1.43  # -------------------------------------------------
% 0.25/1.43  # User time                : 0.079 s
% 0.25/1.43  # System time              : 0.000 s
% 0.25/1.43  # Total time               : 0.079 s
% 0.25/1.43  # Maximum resident set size: 4388 pages
%------------------------------------------------------------------------------