TSTP Solution File: SET909+1 by SNARK---20120808r022

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%------------------------------------------------------------------------------
% File     : SNARK---20120808r022
% Problem  : SET909+1 : TPTP v8.1.0. Released v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run-snark %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 05:13:18 EDT 2022

% Result   : Theorem 0.21s 0.54s
% Output   : Refutation 0.21s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    5
%            Number of leaves      :    5
% Syntax   : Number of clauses     :   11 (   7 unt;   1 nHn;  10 RR)
%            Number of literals    :   17 (  10 equ;   8 neg)
%            Maximal clause size   :    3 (   1 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    3 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    7 (   7 usr;   4 con; 0-2 aty)
%            Number of variables   :   14 (   6 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(2,axiom,
    ( X != empty_set
    | ~ in(Y,X) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d1_xboole_0) ).

cnf(3,axiom,
    ( X = empty_set
    | in('SKOLEMAAAV1'(X),X) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d1_xboole_0) ).

cnf(5,axiom,
    ( X != unordered_pair(Y,Z)
    | in(U,X)
    | U != Y ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d2_tarski) ).

cnf(10,axiom,
    ( X != set_union2(Y,Z)
    | in(U,X)
    | ~ in(U,Y) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d2_xboole_0) ).

cnf(19,negated_conjecture,
    set_union2(unordered_pair('SKOLEMAAAV6','SKOLEMAAAV7'),'SKOLEMAAAV8') = empty_set,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t50_zfmisc_1) ).

cnf(20,plain,
    ~ in(X,empty_set),
    inference('UR-RESOLVE',[status(thm)],[2,theory(equality)]) ).

cnf(25,plain,
    'SKOLEMAAAV8' = empty_set,
    inference('REWRITE',[status(thm)],[inference('HYPERRESOLVE',[status(thm)],[10,19,3]),20]) ).

cnf(26,plain,
    set_union2(unordered_pair('SKOLEMAAAV6','SKOLEMAAAV7'),empty_set) = empty_set,
    inference('REWRITE',[status(thm)],[19,25,theory(equality)]) ).

cnf(30,plain,
    unordered_pair('SKOLEMAAAV6','SKOLEMAAAV7') = empty_set,
    inference('REWRITE',[status(thm)],[inference('HYPERRESOLVE',[status(thm)],[10,26,3]),20]) ).

cnf(58,plain,
    unordered_pair(X,Y) != empty_set,
    inference('UR-RESOLVE',[status(thm)],[5,20,theory(equality)]) ).

cnf(59,plain,
    $false,
    inference('REWRITE',[status(thm)],[30,58]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : SET909+1 : TPTP v8.1.0. Released v3.2.0.
% 0.14/0.13  % Command  : run-snark %s %d
% 0.14/0.34  % Computer : n013.cluster.edu
% 0.14/0.34  % Model    : x86_64 x86_64
% 0.14/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.34  % Memory   : 8042.1875MB
% 0.14/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.34  % CPULimit : 300
% 0.14/0.34  % WCLimit  : 600
% 0.14/0.34  % DateTime : Sun Jul 10 16:33:59 EDT 2022
% 0.14/0.34  % CPUTime  : 
% 0.21/0.46  /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.21/0.47  * 
% 0.21/0.47  * 
% 0.21/0.48  #<PACKAGE "SNARK-USER">
% 0.21/0.48  * 
% 0.21/0.48  SNARK-TPTP-OPTIONS
% 0.21/0.48  * 
% 0.21/0.48  ((AGENDA-LENGTH-LIMIT NIL) (AGENDA-LENGTH-BEFORE-SIMPLIFICATION-LIMIT NIL)
% 0.21/0.48   (USE-HYPERRESOLUTION T) (USE-UR-RESOLUTION T) (USE-PARAMODULATION T)
% 0.21/0.48   (USE-FACTORING :POS)
% 0.21/0.48   (USE-LITERAL-ORDERING-WITH-HYPERRESOLUTION 'LITERAL-ORDERING-P)
% 0.21/0.48   (USE-LITERAL-ORDERING-WITH-PARAMODULATION 'LITERAL-ORDERING-P)
% 0.21/0.48   (ORDERING-FUNCTIONS>CONSTANTS T) (ASSERT-CONTEXT :CURRENT)
% 0.21/0.48   (RUN-TIME-LIMIT 300) (LISTEN-FOR-COMMANDS NIL)
% 0.21/0.48   (USE-CLOSURE-WHEN-SATISFIABLE T) (PRINT-ROWS-WHEN-GIVEN NIL)
% 0.21/0.48   (PRINT-ROWS-WHEN-DERIVED NIL) (PRINT-UNORIENTABLE-ROWS NIL)
% 0.21/0.48   (PRINT-ROW-WFFS-PRETTILY NIL) (PRINT-FINAL-ROWS :TPTP)
% 0.21/0.48   (PRINT-OPTIONS-WHEN-STARTING NIL) (USE-VARIABLE-NAME-SORTS NIL)
% 0.21/0.48   (USE-PURITY-TEST T) (USE-RELEVANCE-TEST T) (DECLARE-TPTP-SYMBOLS1)
% 0.21/0.48   (DECLARE-TPTP-SYMBOLS2))
% 0.21/0.48  * 
% 0.21/0.48  "."
% 0.21/0.48  * 
% 0.21/0.48  ; Begin refute-file /export/starexec/sandbox2/benchmark/theBenchmark.p 2022-07-10T16:34:00
% 0.21/0.48  ; Running SNARK from /davis/home/graph/tptp/Systems/SNARK---20120808r022/Source/snark-system.lisp in SBCL 1.0.12 on n013.cluster.edu at 2022-07-10T16:34:00
% 0.21/0.49  
% 0.21/0.49  ; Recognized commutativity assertion (= (|unordered_pair| ?X ?Y) (|unordered_pair| ?Y ?X)).
% 0.21/0.49  ; Recognized commutativity assertion (= (|set_union2| ?X ?Y) (|set_union2| ?Y ?X)).
% 0.21/0.49  ; Declaring unordered_pair to be commutative.
% 0.21/0.54  ; Declaring set_union2 to be commutative.
% 0.21/0.54  
% 0.21/0.54  #||
% 0.21/0.54  % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.21/0.54  % SZS output start Refutation
% See solution above
% 0.21/0.55  ||#
% 0.21/0.55  
% 0.21/0.55  ; Summary of computation:
% 0.21/0.55  ;       209 formulas have been input or derived (from 23 formulas).
% 0.21/0.55  ;        59 (28%) were retained.  Of these,
% 0.21/0.55  ;           10 (17%) were simplified or subsumed later,
% 0.21/0.55  ;           49 (83%) are still being kept.
% 0.21/0.55  ; 
% 0.21/0.55  ; Run time in seconds excluding printing time:
% 0.21/0.55  ;     0.003   5%   Read assertion file          (1 call)
% 0.21/0.55  ;     0.001   2%   Assert                       (13 calls)
% 0.21/0.55  ;     0.006   9%   Process new row              (167 calls)
% 0.21/0.55  ;     0.008  12%   Resolution                   (44 calls)
% 0.21/0.55  ;     0.000   0%   Paramodulation               (22 calls)
% 0.21/0.55  ;     0.000   0%   Factoring                    (4 calls)
% 0.21/0.55  ;     0.006   9%   Condensing                   (97 calls)
% 0.21/0.55  ;     0.003   5%   Forward subsumption          (97 calls)
% 0.21/0.55  ;     0.003   5%   Backward subsumption         (43 calls)
% 0.21/0.55  ;     0.004   6%   Clause clause subsumption    (179 calls)
% 0.21/0.55  ;     0.005   8%   Forward simplification       (160 calls)
% 0.21/0.55  ;     0.000   0%   Backward simplification      (59 calls)
% 0.21/0.55  ;     0.001   2%   Ordering                     (447 calls)
% 0.21/0.55  ;     0.000   0%   Sortal reasoning             (32 calls)
% 0.21/0.55  ;     0.000   0%   Purity testing               (1 call)
% 0.21/0.55  ;     0.025  38%   Other
% 0.21/0.55  ;     0.065        Total
% 0.21/0.55  ;     0.067        Real time
% 0.21/0.55  ; 
% 0.21/0.55  ; Term-hash-array has 163 terms in all.
% 0.21/0.55  ; Feature-vector-row-index has 39 entries (42 at peak, 43 added, 4 deleted).
% 0.21/0.55  ; Feature-vector-row-index has 121 nodes (140 at peak, 146 added, 25 deleted).
% 0.21/0.55  ;  Retrieved 251 possibly forward subsuming rows in 97 calls.
% 0.21/0.55  ;  Retrieved 27 possibly backward subsumed rows in 43 calls.
% 0.21/0.55  ; Path-index has 146 entries (162 at peak, 169 added, 23 deleted).
% 0.21/0.55  ; Path-index has 146 nodes (158 at peak, 175 added, 29 deleted).
% 0.21/0.55  ; Trie-index has 146 entries (162 at peak, 169 added, 23 deleted).
% 0.21/0.55  ; Trie-index has 254 nodes (284 at peak, 308 added, 54 deleted).
% 0.21/0.55  ; Retrieved 222 generalization terms in 417 calls.
% 0.21/0.55  ; Retrieved 20 instance terms in 15 calls.
% 0.21/0.55  ; Retrieved 2,892 unifiable terms in 248 calls.
% 0.21/0.55  ; 
% 0.21/0.55  ; The agenda of backward simplifiable rows to process has 3 entries:
% 0.21/0.55  ;     3 with value 0
% 0.21/0.55  ; The agenda of rows to process has 10 entries:
% 0.21/0.55  ;     3 with value 9               1 with value 14               4 with value 25
% 0.21/0.55  ;     1 with value 12              1 with value 17
% 0.21/0.55  ; The agenda of rows to give has 28 entries:
% 0.21/0.55  ;     1 with value (4 5)           2 with value (4 16)           4 with value (4 34)
% 0.21/0.55  ;     1 with value (4 7)           1 with value (4 21)           2 with value (4 43)
% 0.21/0.55  ;     1 with value (4 8)           3 with value (4 24)           4 with value (4 54)
% 0.21/0.55  ;     1 with value (4 9)           2 with value (4 26)           4 with value (4 55)
% 0.21/0.55  ;     2 with value (4 13)
% 0.21/0.55  Evaluation took:
% 0.21/0.55    0.068 seconds of real time
% 0.21/0.55    0.059848 seconds of user run time
% 0.21/0.55    0.008135 seconds of system run time
% 0.21/0.55    0 calls to %EVAL
% 0.21/0.55    0 page faults and
% 0.21/0.55    3,779,152 bytes consed.
% 0.21/0.55  :PROOF-FOUND
% 0.21/0.55  ; End refute-file /export/starexec/sandbox2/benchmark/theBenchmark.p 2022-07-10T16:34:00
% 0.21/0.55  :PROOF-FOUND
% 0.21/0.55  * 
%------------------------------------------------------------------------------