TSTP Solution File: SET620+3 by SNARK---20120808r022

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%------------------------------------------------------------------------------
% File     : SNARK---20120808r022
% Problem  : SET620+3 : TPTP v8.1.0. Released v2.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run-snark %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 05:10:59 EDT 2022

% Result   : Theorem 0.46s 0.64s
% Output   : Refutation 0.46s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    3
%            Number of leaves      :    4
% Syntax   : Number of clauses     :    7 (   7 unt;   0 nHn;   2 RR)
%            Number of literals    :    7 (   6 equ;   1 neg)
%            Maximal clause size   :    1 (   1 avg)
%            Maximal term depth    :    4 (   2 avg)
%            Number of predicates  :    2 (   0 usr;   1 prp; 0-2 aty)
%            Number of functors    :    6 (   6 usr;   2 con; 0-2 aty)
%            Number of variables   :   12 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    symmetric_difference(X,Y) = union(difference(X,Y),difference(Y,X)),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',symmetric_difference_defn) ).

cnf(2,axiom,
    difference(X,intersection(X,Y)) = difference(X,Y),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',difference_into_intersection) ).

cnf(3,axiom,
    difference(union(X,Y),Z) = union(difference(X,Z),difference(Y,Z)),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',difference_distributes_over_union) ).

cnf(20,negated_conjecture,
    symmetric_difference('SKOLEMAAAW3','SKOLEMAAAW4') != difference(union('SKOLEMAAAW3','SKOLEMAAAW4'),intersection('SKOLEMAAAW3','SKOLEMAAAW4')),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_th96) ).

cnf(26,plain,
    difference(union(X,Y),intersection(X,Z)) = union(difference(X,Z),difference(Y,intersection(X,Z))),
    inference('PARAMODULATE',[status(thm)],[3,2,theory(equality)]) ).

cnf(186,plain,
    difference(union(X,Y),intersection(X,Y)) = symmetric_difference(X,Y),
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[26,2,theory(equality)]),1,theory(equality)]) ).

cnf(187,plain,
    $false,
    inference('REWRITE',[status(thm)],[20,186,theory(equality)]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.13  % Problem  : SET620+3 : TPTP v8.1.0. Released v2.2.0.
% 0.07/0.14  % Command  : run-snark %s %d
% 0.13/0.35  % Computer : n020.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 : Mon Jul 11 05:53:28 EDT 2022
% 0.13/0.35  % CPUTime  : 
% 0.20/0.47  /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.20/0.48  * 
% 0.20/0.48  * 
% 0.20/0.49  #<PACKAGE "SNARK-USER">
% 0.20/0.49  * 
% 0.20/0.49  SNARK-TPTP-OPTIONS
% 0.20/0.49  * 
% 0.20/0.49  ((AGENDA-LENGTH-LIMIT NIL) (AGENDA-LENGTH-BEFORE-SIMPLIFICATION-LIMIT NIL)
% 0.20/0.49   (USE-HYPERRESOLUTION T) (USE-UR-RESOLUTION T) (USE-PARAMODULATION T)
% 0.20/0.49   (USE-FACTORING :POS)
% 0.20/0.49   (USE-LITERAL-ORDERING-WITH-HYPERRESOLUTION 'LITERAL-ORDERING-P)
% 0.20/0.49   (USE-LITERAL-ORDERING-WITH-PARAMODULATION 'LITERAL-ORDERING-P)
% 0.20/0.49   (ORDERING-FUNCTIONS>CONSTANTS T) (ASSERT-CONTEXT :CURRENT)
% 0.20/0.49   (RUN-TIME-LIMIT 300) (LISTEN-FOR-COMMANDS NIL)
% 0.20/0.49   (USE-CLOSURE-WHEN-SATISFIABLE T) (PRINT-ROWS-WHEN-GIVEN NIL)
% 0.20/0.49   (PRINT-ROWS-WHEN-DERIVED NIL) (PRINT-UNORIENTABLE-ROWS NIL)
% 0.20/0.49   (PRINT-ROW-WFFS-PRETTILY NIL) (PRINT-FINAL-ROWS :TPTP)
% 0.20/0.49   (PRINT-OPTIONS-WHEN-STARTING NIL) (USE-VARIABLE-NAME-SORTS NIL)
% 0.20/0.49   (USE-PURITY-TEST T) (USE-RELEVANCE-TEST T) (DECLARE-TPTP-SYMBOLS1)
% 0.20/0.49   (DECLARE-TPTP-SYMBOLS2))
% 0.20/0.49  * 
% 0.20/0.49  "."
% 0.20/0.49  * 
% 0.20/0.49  ; Begin refute-file /export/starexec/sandbox/benchmark/theBenchmark.p 2022-07-11T05:53:28
% 0.20/0.49  ; Running SNARK from /davis/home/graph/tptp/Systems/SNARK---20120808r022/Source/snark-system.lisp in SBCL 1.0.12 on n020.cluster.edu at 2022-07-11T05:53:28
% 0.20/0.50  
% 0.20/0.50  ; Recognized commutativity assertion (= (|union| ?X ?Y) (|union| ?Y ?X)).
% 0.20/0.50  ; Recognized commutativity assertion (= (|intersection| ?X ?Y) (|intersection| ?Y ?X)).
% 0.20/0.50  ; Recognized commutativity assertion (= (|symmetric_difference| ?X ?Y) (|symmetric_difference| ?Y ?X)).
% 0.20/0.50  ; Declaring symmetric_difference to be commutative.
% 0.20/0.50  ; Declaring union to be commutative.
% 0.46/0.64  ; Declaring intersection to be commutative.
% 0.46/0.64  
% 0.46/0.64  #||
% 0.46/0.64  % SZS status Theorem for /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.46/0.64  % SZS output start Refutation
% See solution above
% 0.46/0.64  ||#
% 0.46/0.64  
% 0.46/0.64  ; Summary of computation:
% 0.46/0.64  ;       719 formulas have been input or derived (from 46 formulas).
% 0.46/0.64  ;       187 (26%) were retained.  Of these,
% 0.46/0.64  ;           31 (17%) were simplified or subsumed later,
% 0.46/0.64  ;          156 (83%) are still being kept.
% 0.46/0.64  ; 
% 0.46/0.64  ; Run time in seconds excluding printing time:
% 0.46/0.64  ;     0.003   2%   Read assertion file          (1 call)
% 0.46/0.64  ;     0.002   1%   Assert                       (14 calls)
% 0.46/0.64  ;     0.019  13%   Process new row              (624 calls)
% 0.46/0.64  ;     0.021  14%   Resolution                   (90 calls)
% 0.46/0.64  ;     0.002   1%   Paramodulation               (45 calls)
% 0.46/0.64  ;     0.000   0%   Factoring                    (10 calls)
% 0.46/0.64  ;     0.010   7%   Condensing                   (473 calls)
% 0.46/0.64  ;     0.024  16%   Forward subsumption          (473 calls)
% 0.46/0.64  ;     0.002   1%   Backward subsumption         (156 calls)
% 0.46/0.64  ;     0.012   8%   Clause clause subsumption    (1,433 calls)
% 0.46/0.64  ;     0.014   9%   Forward simplification       (597 calls)
% 0.46/0.64  ;     0.002   1%   Backward simplification      (187 calls)
% 0.46/0.64  ;     0.009   6%   Ordering                     (1,578 calls)
% 0.46/0.64  ;     0.000   0%   Sortal reasoning             (32 calls)
% 0.46/0.64  ;     0.000   0%   Purity testing               (1 call)
% 0.46/0.64  ;     0.030  20%   Other
% 0.46/0.64  ;     0.150        Total
% 0.46/0.64  ;     0.151        Real time
% 0.46/0.64  ; 
% 0.46/0.64  ; Term-hash-array has 448 terms in all.
% 0.46/0.64  ; Feature-vector-row-index has 130 entries (130 at peak, 156 added, 26 deleted).
% 0.46/0.64  ; Feature-vector-row-index has 340 nodes (340 at peak, 398 added, 58 deleted).
% 0.46/0.64  ;  Retrieved 1,791 possibly forward subsuming rows in 473 calls.
% 0.46/0.64  ;  Retrieved 100 possibly backward subsumed rows in 156 calls.
% 0.46/0.64  ; Path-index has 391 entries (396 at peak, 452 added, 61 deleted).
% 0.46/0.64  ; Path-index has 605 nodes (621 at peak, 646 added, 41 deleted).
% 0.46/0.64  ; Trie-index has 391 entries (396 at peak, 452 added, 61 deleted).
% 0.46/0.64  ; Trie-index has 1,487 nodes (1,507 at peak, 1,725 added, 238 deleted).
% 0.46/0.64  ; Retrieved 899 generalization terms in 2,872 calls.
% 0.46/0.64  ; Retrieved 72 instance terms in 42 calls.
% 0.46/0.64  ; Retrieved 9,775 unifiable terms in 534 calls.
% 0.46/0.64  ; 
% 0.46/0.64  ; The agenda of rows to process has 38 entries:
% 0.46/0.64  ;     4 with value 23              2 with value 39               2 with value 49
% 0.46/0.64  ;     1 with value 28              2 with value 42               4 with value 52
% 0.46/0.64  ;     1 with value 30              2 with value 43               2 with value 54
% 0.46/0.64  ;     1 with value 31              4 with value 44               4 with value 59
% 0.46/0.64  ;     1 with value 32              2 with value 45               2 with value 61
% 0.46/0.64  ;     4 with value 35
% 0.46/0.64  ; The agenda of rows to give has 116 entries:
% 0.46/0.64  ;     1 with value (4 16)          4 with value (4 30)           2 with value (4 41)
% 0.46/0.64  ;     1 with value (4 18)         12 with value (4 31)           2 with value (4 42)
% 0.46/0.64  ;     3 with value (4 22)          7 with value (4 32)           3 with value (4 43)
% 0.46/0.64  ;     4 with value (4 23)         11 with value (4 33)           1 with value (4 44)
% 0.46/0.64  ;     2 with value (4 24)          6 with value (4 34)           2 with value (4 45)
% 0.46/0.64  ;    10 with value (4 25)          2 with value (4 35)           3 with value (4 51)
% 0.46/0.64  ;     3 with value (4 26)          2 with value (4 37)           2 with value (4 53)
% 0.46/0.64  ;     4 with value (4 27)          2 with value (4 38)           3 with value (4 54)
% 0.46/0.64  ;     8 with value (4 28)          1 with value (4 39)           2 with value (4 56)
% 0.46/0.64  ;     9 with value (4 29)          4 with value (4 40)
% 0.46/0.64  Evaluation took:
% 0.46/0.64    0.152 seconds of real time
% 0.46/0.64    0.133864 seconds of user run time
% 0.46/0.64    0.01814 seconds of system run time
% 0.46/0.64    0 calls to %EVAL
% 0.46/0.64    0 page faults and
% 0.46/0.64    9,618,400 bytes consed.
% 0.46/0.64  :PROOF-FOUND
% 0.46/0.64  ; End refute-file /export/starexec/sandbox/benchmark/theBenchmark.p 2022-07-11T05:53:28
% 0.46/0.64  :PROOF-FOUND
% 0.46/0.64  * 
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