TSTP Solution File: SET082-7 by SNARK---20120808r022

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SNARK---20120808r022
% Problem  : SET082-7 : TPTP v8.1.0. Bugfixed v2.1.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run-snark %s %d

% Computer : n018.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 05:07:03 EDT 2022

% Result   : Unsatisfiable 0.40s 0.58s
% Output   : Refutation 0.40s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    2
%            Number of leaves      :    6
% Syntax   : Number of clauses     :    9 (   6 unt;   2 nHn;   5 RR)
%            Number of literals    :   14 (   4 equ;   5 neg)
%            Maximal clause size   :    3 (   1 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    4 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   3 con; 0-2 aty)
%            Number of variables   :    9 (   2 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(subclass_members,axiom,
    ( ~ subclass(X,Y)
    | ~ member(Z,X)
    | member(Z,Y) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/SET004-0.ax',subclass_members) ).

cnf(class_elements_are_sets,axiom,
    subclass(X,universal_class),
    file('/export/starexec/sandbox2/benchmark/Axioms/SET004-0.ax',class_elements_are_sets) ).

cnf(singleton_set,axiom,
    unordered_pair(X,X) = singleton(X),
    file('/export/starexec/sandbox2/benchmark/Axioms/SET004-0.ax',singleton_set) ).

cnf(null_unordered_pair,axiom,
    ( unordered_pair(X,Y) = null_class
    | member(X,universal_class)
    | member(Y,universal_class) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',null_unordered_pair) ).

cnf(prove_singleton_is_null_class_1,negated_conjecture,
    ~ member(x,universal_class),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_singleton_is_null_class_1) ).

cnf(prove_singleton_is_null_class_2,negated_conjecture,
    singleton(x) != null_class,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_singleton_is_null_class_2) ).

cnf(194,plain,
    ~ member(x,X),
    inference('UR-RESOLVE',[status(thm)],[subclass_members,class_elements_are_sets,prove_singleton_is_null_class_1]) ).

cnf(322,plain,
    ( singleton(X) = null_class
    | member(X,universal_class) ),
    inference('REWRITE',[status(thm)],[inference('FACTOR',[status(thm)],[null_unordered_pair]),singleton_set,theory(equality)]) ).

cnf(338,plain,
    $false,
    inference('REWRITE',[status(thm)],[inference('UR-RESOLVE',[status(thm)],[322,prove_singleton_is_null_class_2]),194]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.11  % Problem  : SET082-7 : TPTP v8.1.0. Bugfixed v2.1.0.
% 0.03/0.12  % Command  : run-snark %s %d
% 0.13/0.33  % Computer : n018.cluster.edu
% 0.13/0.33  % Model    : x86_64 x86_64
% 0.13/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.33  % Memory   : 8042.1875MB
% 0.13/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.33  % CPULimit : 300
% 0.13/0.33  % WCLimit  : 600
% 0.13/0.33  % DateTime : Mon Jul 11 05:20:43 EDT 2022
% 0.13/0.33  % CPUTime  : 
% 0.20/0.44  /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.20/0.45  * 
% 0.20/0.45  * 
% 0.20/0.46  #<PACKAGE "SNARK-USER">
% 0.20/0.46  * 
% 0.20/0.46  SNARK-TPTP-OPTIONS
% 0.20/0.46  * 
% 0.20/0.46  ((AGENDA-LENGTH-LIMIT NIL) (AGENDA-LENGTH-BEFORE-SIMPLIFICATION-LIMIT NIL)
% 0.20/0.46   (USE-HYPERRESOLUTION T) (USE-UR-RESOLUTION T) (USE-PARAMODULATION T)
% 0.20/0.46   (USE-FACTORING :POS)
% 0.20/0.46   (USE-LITERAL-ORDERING-WITH-HYPERRESOLUTION 'LITERAL-ORDERING-P)
% 0.20/0.46   (USE-LITERAL-ORDERING-WITH-PARAMODULATION 'LITERAL-ORDERING-P)
% 0.20/0.46   (ORDERING-FUNCTIONS>CONSTANTS T) (ASSERT-CONTEXT :CURRENT)
% 0.20/0.46   (RUN-TIME-LIMIT 300) (LISTEN-FOR-COMMANDS NIL)
% 0.20/0.46   (USE-CLOSURE-WHEN-SATISFIABLE T) (PRINT-ROWS-WHEN-GIVEN NIL)
% 0.20/0.46   (PRINT-ROWS-WHEN-DERIVED NIL) (PRINT-UNORIENTABLE-ROWS NIL)
% 0.20/0.46   (PRINT-ROW-WFFS-PRETTILY NIL) (PRINT-FINAL-ROWS :TPTP)
% 0.20/0.46   (PRINT-OPTIONS-WHEN-STARTING NIL) (USE-VARIABLE-NAME-SORTS NIL)
% 0.20/0.46   (USE-PURITY-TEST T) (USE-RELEVANCE-TEST T) (DECLARE-TPTP-SYMBOLS1)
% 0.20/0.46   (DECLARE-TPTP-SYMBOLS2))
% 0.20/0.46  * 
% 0.20/0.46  "."
% 0.20/0.46  * 
% 0.20/0.46  ; Begin refute-file /export/starexec/sandbox2/benchmark/theBenchmark.p 2022-07-11T05:20:43
% 0.20/0.46  ; Running SNARK from /davis/home/graph/tptp/Systems/SNARK---20120808r022/Source/snark-system.lisp in SBCL 1.0.12 on n018.cluster.edu at 2022-07-11T05:20:43
% 0.20/0.50  
% 0.20/0.50  ; Recognized commutativity assertion (= (|unordered_pair| ?X ?Y) (|unordered_pair| ?Y ?X)).
% 0.40/0.58  ; Declaring unordered_pair to be commutative.
% 0.40/0.58  
% 0.40/0.58  #||
% 0.40/0.58  % SZS status Unsatisfiable for /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.40/0.58  % SZS output start Refutation
% See solution above
% 0.40/0.58  ||#
% 0.40/0.58  
% 0.40/0.58  ; Summary of computation:
% 0.40/0.58  ;       746 formulas have been input or derived (from 88 formulas).
% 0.40/0.58  ;       338 (45%) were retained.  Of these,
% 0.40/0.58  ;           17 ( 5%) were simplified or subsumed later,
% 0.40/0.58  ;          321 (95%) are still being kept.
% 0.40/0.58  ; 
% 0.40/0.58  ; Run time in seconds excluding printing time:
% 0.40/0.58  ;     0.023  19%   Read assertion file          (1 call)
% 0.40/0.58  ;     0.003   2%   Assert                       (127 calls)
% 0.40/0.58  ;     0.021  17%   Process new row              (627 calls)
% 0.40/0.58  ;     0.010   8%   Resolution                   (174 calls)
% 0.40/0.58  ;     0.002   2%   Paramodulation               (87 calls)
% 0.40/0.58  ;     0.000   0%   Factoring                    (7 calls)
% 0.40/0.58  ;     0.007   6%   Condensing                   (249 calls)
% 0.40/0.58  ;     0.007   6%   Forward subsumption          (249 calls)
% 0.40/0.58  ;     0.001   1%   Backward subsumption         (195 calls)
% 0.40/0.58  ;     0.000   0%   Clause clause subsumption    (238 calls)
% 0.40/0.58  ;     0.016  13%   Forward simplification       (624 calls)
% 0.40/0.58  ;     0.002   2%   Backward simplification      (326 calls)
% 0.40/0.58  ;     0.002   2%   Ordering                     (521 calls)
% 0.40/0.58  ;     0.000   0%   Sortal reasoning             (32 calls)
% 0.40/0.58  ;     0.001   1%   Purity testing               (1 call)
% 0.40/0.58  ;     0.027  22%   Other
% 0.40/0.58  ;     0.122        Total
% 0.40/0.58  ;     0.124        Real time
% 0.40/0.58  ; 
% 0.40/0.58  ; Term-hash-array has 664 terms in all.
% 0.40/0.58  ; Feature-vector-row-index has 195 entries (195 at peak, 195 added, 0 deleted).
% 0.40/0.58  ; Feature-vector-row-index has 1,007 nodes (1,007 at peak, 1,007 added, 0 deleted).
% 0.40/0.58  ;  Retrieved 336 possibly forward subsuming rows in 249 calls.
% 0.40/0.58  ;  Retrieved 35 possibly backward subsumed rows in 195 calls.
% 0.40/0.58  ; Path-index has 667 entries (667 at peak, 675 added, 8 deleted).
% 0.40/0.58  ; Path-index has 1,831 nodes (1,831 at peak, 1,838 added, 7 deleted).
% 0.40/0.58  ; Trie-index has 667 entries (667 at peak, 675 added, 8 deleted).
% 0.40/0.58  ; Trie-index has 1,962 nodes (1,962 at peak, 1,978 added, 16 deleted).
% 0.40/0.58  ; Retrieved 585 generalization terms in 1,601 calls.
% 0.40/0.58  ; Retrieved 153 instance terms in 130 calls.
% 0.40/0.58  ; Retrieved 7,733 unifiable terms in 749 calls.
% 0.40/0.58  ; 
% 0.40/0.58  ; The agenda of rows to process has 37 entries:
% 0.40/0.58  ;     1 with value 10              2 with value 16               2 with value 21
% 0.40/0.58  ;     1 with value 11              4 with value 17               5 with value 22
% 0.40/0.58  ;     3 with value 13              3 with value 18               2 with value 23
% 0.40/0.58  ;     9 with value 14              1 with value 19               4 with value 25
% 0.40/0.58  ; The agenda of input rows to give has 33 entries:
% 0.40/0.58  ;     1 with value 15              4 with value 20               1 with value 31
% 0.40/0.58  ;     5 with value 16              3 with value 21               1 with value 34
% 0.40/0.58  ;     3 with value 17              4 with value 22               2 with value 35
% 0.40/0.58  ;     4 with value 18              1 with value 27               1 with value 50
% 0.40/0.59  ;     1 with value 19              2 with value 30
% 0.40/0.59  ; The agenda of rows to give has 202 entries:
% 0.40/0.59  ;     2 with value (4 4)          15 with value (4 14)           7 with value (4 22)
% 0.40/0.59  ;     3 with value (4 5)          12 with value (4 15)           6 with value (4 23)
% 0.40/0.59  ;    13 with value (4 7)          10 with value (4 16)           6 with value (4 24)
% 0.40/0.59  ;    19 with value (4 8)           9 with value (4 17)           2 with value (4 25)
% 0.40/0.59  ;    10 with value (4 9)          10 with value (4 18)           3 with value (4 26)
% 0.40/0.59  ;    15 with value (4 10)         14 with value (4 19)           3 with value (4 28)
% 0.40/0.59  ;    10 with value (4 11)         13 with value (4 20)           1 with value (4 29)
% 0.40/0.59  ;     8 with value (4 12)          1 with value (4 21)           2 with value (4 30)
% 0.40/0.59  ;     8 with value (4 13)
% 0.40/0.59  Evaluation took:
% 0.40/0.59    0.124 seconds of real time
% 0.40/0.59    0.10892 seconds of user run time
% 0.40/0.59    0.015221 seconds of system run time
% 0.40/0.59    0 calls to %EVAL
% 0.40/0.59    0 page faults and
% 0.40/0.59    7,161,464 bytes consed.
% 0.40/0.59  :PROOF-FOUND
% 0.40/0.59  ; End refute-file /export/starexec/sandbox2/benchmark/theBenchmark.p 2022-07-11T05:20:43
% 0.40/0.59  :PROOF-FOUND
% 0.40/0.59  * 
%------------------------------------------------------------------------------