TSTP Solution File: SET021-7 by SNARK---20120808r022

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SNARK---20120808r022
% Problem  : SET021-7 : 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 05:05:59 EDT 2022

% Result   : Unsatisfiable 2.06s 2.23s
% Output   : Refutation 2.06s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    6
%            Number of leaves      :    8
% Syntax   : Number of clauses     :   19 (  13 unt;   0 nHn;  14 RR)
%            Number of literals    :   27 (  15 equ;  11 neg)
%            Maximal clause size   :    3 (   1 avg)
%            Maximal term depth    :   20 (   4 avg)
%            Number of predicates  :    3 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :   12 (  12 usr;   3 con; 0-2 aty)
%            Number of variables   :   34 (   9 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(ordered_pair,axiom,
    unordered_pair(singleton(X),unordered_pair(X,singleton(Y))) = ordered_pair(X,Y),
    file('/export/starexec/sandbox/benchmark/Axioms/SET004-0.ax',ordered_pair) ).

cnf(cartesian_product2,axiom,
    ( ~ member(ordered_pair(X,Y),cross_product(Z,U))
    | member(Y,U) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SET004-0.ax',cartesian_product2) ).

cnf(cartesian_product4,axiom,
    ( ~ member(X,cross_product(Y,Z))
    | ordered_pair(first(X),second(X)) = X ),
    file('/export/starexec/sandbox/benchmark/Axioms/SET004-0.ax',cartesian_product4) ).

cnf(union,axiom,
    complement(intersection(complement(X),complement(Y))) = union(X,Y),
    file('/export/starexec/sandbox/benchmark/Axioms/SET004-0.ax',union) ).

cnf(unordered_pairs_and_singletons,axiom,
    unordered_pair(X,Y) = union(singleton(X),singleton(Y)),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',unordered_pairs_and_singletons) ).

cnf(148,plain,
    unordered_pair(X,Y) = complement(intersection(complement(singleton(X)),complement(singleton(Y)))),
    inference('REWRITE',[status(thm)],[unordered_pairs_and_singletons,union,theory(equality)]) ).

cnf(ordered_pair_determines_components2,axiom,
    ( ordered_pair(X,Y) != ordered_pair(Z,U)
    | ~ member(Y,universal_class)
    | Y = U ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',ordered_pair_determines_components2) ).

cnf(prove_unique_1st_and_2nd_in_pair_of_sets2_1,negated_conjecture,
    member(ordered_pair(u,v),cross_product(universal_class,universal_class)),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_unique_1st_and_2nd_in_pair_of_sets2_1) ).

cnf(prove_unique_1st_and_2nd_in_pair_of_sets2_2,negated_conjecture,
    second(ordered_pair(u,v)) != v,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_unique_1st_and_2nd_in_pair_of_sets2_2) ).

cnf(170,plain,
    complement(intersection(complement(singleton(singleton(X))),complement(singleton(complement(intersection(complement(singleton(X)),complement(singleton(singleton(Y))))))))) = ordered_pair(X,Y),
    inference('REWRITE',[status(thm)],[ordered_pair,148,theory(equality)]) ).

cnf(171,plain,
    ( ~ member(X,cross_product(Y,Z))
    | complement(intersection(complement(singleton(singleton(first(X)))),complement(singleton(complement(intersection(complement(singleton(first(X))),complement(singleton(singleton(second(X)))))))))) = X ),
    inference('REWRITE',[status(thm)],[cartesian_product4,170,theory(equality)]) ).

cnf(183,plain,
    ( ~ member(complement(intersection(complement(singleton(singleton(X))),complement(singleton(complement(intersection(complement(singleton(X)),complement(singleton(singleton(Y))))))))),cross_product(Z,U))
    | member(Y,U) ),
    inference('REWRITE',[status(thm)],[cartesian_product2,170,theory(equality)]) ).

cnf(201,plain,
    ( complement(intersection(complement(singleton(singleton(X))),complement(singleton(complement(intersection(complement(singleton(X)),complement(singleton(singleton(Y))))))))) != complement(intersection(complement(singleton(singleton(Z))),complement(singleton(complement(intersection(complement(singleton(Z)),complement(singleton(singleton(U)))))))))
    | ~ member(Y,universal_class)
    | Y = U ),
    inference('REWRITE',[status(thm)],[ordered_pair_determines_components2,170,theory(equality)]) ).

cnf(203,plain,
    member(complement(intersection(complement(singleton(singleton(u))),complement(singleton(complement(intersection(complement(singleton(u)),complement(singleton(singleton(v))))))))),cross_product(universal_class,universal_class)),
    inference('REWRITE',[status(thm)],[prove_unique_1st_and_2nd_in_pair_of_sets2_1,170,theory(equality)]) ).

cnf(204,plain,
    second(complement(intersection(complement(singleton(singleton(u))),complement(singleton(complement(intersection(complement(singleton(u)),complement(singleton(singleton(v)))))))))) != v,
    inference('REWRITE',[status(thm)],[prove_unique_1st_and_2nd_in_pair_of_sets2_2,170,theory(equality)]) ).

cnf(746,plain,
    member(v,universal_class),
    inference('HYPERRESOLVE',[status(thm)],[183,203]) ).

cnf(1443,plain,
    complement(intersection(complement(singleton(singleton(first(complement(intersection(complement(singleton(singleton(u))),complement(singleton(complement(intersection(complement(singleton(u)),complement(singleton(singleton(v))))))))))))),complement(singleton(complement(intersection(complement(singleton(first(complement(intersection(complement(singleton(singleton(u))),complement(singleton(complement(intersection(complement(singleton(u)),complement(singleton(singleton(v)))))))))))),complement(singleton(singleton(second(complement(intersection(complement(singleton(singleton(u))),complement(singleton(complement(intersection(complement(singleton(u)),complement(singleton(singleton(v))))))))))))))))))) = complement(intersection(complement(singleton(singleton(u))),complement(singleton(complement(intersection(complement(singleton(u)),complement(singleton(singleton(v))))))))),
    inference('HYPERRESOLVE',[status(thm)],[171,203]) ).

cnf(2208,plain,
    complement(intersection(complement(singleton(singleton(X))),complement(singleton(complement(intersection(complement(singleton(X)),complement(singleton(singleton(v))))))))) != complement(intersection(complement(singleton(singleton(Y))),complement(singleton(complement(intersection(complement(singleton(Y)),complement(singleton(singleton(second(complement(intersection(complement(singleton(singleton(u))),complement(singleton(complement(intersection(complement(singleton(u)),complement(singleton(singleton(v))))))))))))))))))),
    inference('UR-RESOLVE',[status(thm)],[201,746,204]) ).

cnf(2209,plain,
    $false,
    inference('REWRITE',[status(thm)],[1443,2208]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : SET021-7 : TPTP v8.1.0. Bugfixed v2.1.0.
% 0.07/0.13  % Command  : run-snark %s %d
% 0.13/0.35  % Computer : n018.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 08:01:28 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  * 
% 0.20/0.48  #<PACKAGE "SNARK-USER">
% 0.20/0.48  * 
% 0.20/0.48  SNARK-TPTP-OPTIONS
% 0.20/0.48  * 
% 0.20/0.48  ((AGENDA-LENGTH-LIMIT NIL) (AGENDA-LENGTH-BEFORE-SIMPLIFICATION-LIMIT NIL)
% 0.20/0.48   (USE-HYPERRESOLUTION T) (USE-UR-RESOLUTION T) (USE-PARAMODULATION T)
% 0.20/0.48   (USE-FACTORING :POS)
% 0.20/0.48   (USE-LITERAL-ORDERING-WITH-HYPERRESOLUTION 'LITERAL-ORDERING-P)
% 0.20/0.48   (USE-LITERAL-ORDERING-WITH-PARAMODULATION 'LITERAL-ORDERING-P)
% 0.20/0.48   (ORDERING-FUNCTIONS>CONSTANTS T) (ASSERT-CONTEXT :CURRENT)
% 0.20/0.48   (RUN-TIME-LIMIT 300) (LISTEN-FOR-COMMANDS NIL)
% 0.20/0.48   (USE-CLOSURE-WHEN-SATISFIABLE T) (PRINT-ROWS-WHEN-GIVEN NIL)
% 0.20/0.48   (PRINT-ROWS-WHEN-DERIVED NIL) (PRINT-UNORIENTABLE-ROWS NIL)
% 0.20/0.48   (PRINT-ROW-WFFS-PRETTILY NIL) (PRINT-FINAL-ROWS :TPTP)
% 0.20/0.48   (PRINT-OPTIONS-WHEN-STARTING NIL) (USE-VARIABLE-NAME-SORTS NIL)
% 0.20/0.48   (USE-PURITY-TEST T) (USE-RELEVANCE-TEST T) (DECLARE-TPTP-SYMBOLS1)
% 0.20/0.48   (DECLARE-TPTP-SYMBOLS2))
% 0.20/0.48  * 
% 0.20/0.48  "."
% 0.20/0.48  * 
% 0.20/0.48  ; Begin refute-file /export/starexec/sandbox/benchmark/theBenchmark.p 2022-07-11T08:01:28
% 0.20/0.48  ; Running SNARK from /davis/home/graph/tptp/Systems/SNARK---20120808r022/Source/snark-system.lisp in SBCL 1.0.12 on n018.cluster.edu at 2022-07-11T08:01:28
% 0.20/0.53  
% 0.20/0.53  ; Recognized commutativity assertion (= (|unordered_pair| ?X ?Y) (|unordered_pair| ?Y ?X)).
% 2.06/2.23  ; Declaring unordered_pair to be commutative.
% 2.06/2.23  
% 2.06/2.23  #||
% 2.06/2.23  % SZS status Unsatisfiable for /export/starexec/sandbox/benchmark/theBenchmark.p
% 2.06/2.23  % SZS output start Refutation
% See solution above
% 2.06/2.23  ||#
% 2.06/2.23  
% 2.06/2.23  ; Summary of computation:
% 2.06/2.23  ;      4272 formulas have been input or derived (from 156 formulas).
% 2.06/2.23  ;      2209 (52%) were retained.  Of these,
% 2.06/2.23  ;          141 ( 6%) were simplified or subsumed later,
% 2.06/2.23  ;         2068 (94%) are still being kept.
% 2.06/2.23  ; 
% 2.06/2.23  ; Run time in seconds excluding printing time:
% 2.06/2.23  ;     0.029   2%   Read assertion file          (1 call)
% 2.06/2.23  ;     0.005   0%   Assert                       (159 calls)
% 2.06/2.23  ;     0.370  21%   Process new row              (3,978 calls)
% 2.06/2.23  ;     0.157   9%   Resolution                   (310 calls)
% 2.06/2.23  ;     0.033   2%   Paramodulation               (155 calls)
% 2.06/2.23  ;     0.000   0%   Factoring                    (21 calls)
% 2.06/2.23  ;     0.061   3%   Condensing                   (2,288 calls)
% 2.06/2.23  ;     0.525  30%   Forward subsumption          (2,288 calls)
% 2.06/2.23  ;     0.148   8%   Backward subsumption         (1,838 calls)
% 2.06/2.23  ;     0.048   3%   Clause clause subsumption    (16,541 calls)
% 2.06/2.23  ;     0.295  17%   Forward simplification       (3,977 calls)
% 2.06/2.23  ;     0.018   1%   Backward simplification      (2,192 calls)
% 2.06/2.23  ;     0.017   1%   Ordering                     (8,617 calls)
% 2.06/2.23  ;     0.000   0%   Sortal reasoning             (32 calls)
% 2.06/2.23  ;     0.001   0%   Purity testing               (1 call)
% 2.06/2.23  ;     0.039   2%   Other
% 2.06/2.23  ;     1.746        Total
% 2.06/2.23  ;     1.749        Real time
% 2.06/2.23  ; 
% 2.06/2.23  ; Term-hash-array has 6,175 terms in all.
% 2.06/2.23  ; Feature-vector-row-index has 1,737 entries (1,737 at peak, 1,838 added, 101 deleted).
% 2.06/2.23  ; Feature-vector-row-index has 17,547 nodes (17,547 at peak, 18,514 added, 967 deleted).
% 2.06/2.23  ;  Retrieved 26,484 possibly forward subsuming rows in 2,288 calls.
% 2.06/2.23  ;  Retrieved 2,500 possibly backward subsumed rows in 1,838 calls.
% 2.06/2.23  ; Path-index has 6,075 entries (6,087 at peak, 6,443 added, 368 deleted).
% 2.06/2.23  ; Path-index has 14,344 nodes (14,387 at peak, 14,918 added, 574 deleted).
% 2.06/2.23  ; Trie-index has 6,075 entries (6,087 at peak, 6,443 added, 368 deleted).
% 2.06/2.23  ; Trie-index has 33,203 nodes (33,572 at peak, 35,653 added, 2,450 deleted).
% 2.06/2.23  ; Retrieved 26,477 generalization terms in 47,406 calls.
% 2.06/2.23  ; Retrieved 498 instance terms in 353 calls.
% 2.06/2.23  ; Retrieved 89,933 unifiable terms in 2,603 calls.
% 2.06/2.23  ; 
% 2.06/2.23  ; The agenda of rows to process has 10 entries:
% 2.06/2.23  ;     1 with value 75              4 with value 80               1 with value 90
% 2.06/2.23  ;     2 with value 77              2 with value 88
% 2.06/2.23  ; The agenda of rows to give has 1913 entries:
% 2.06/2.23  ;     2 with value (4 6)          23 with value (4 54)           8 with value (4 103)
% 2.06/2.23  ;    16 with value (4 7)          19 with value (4 55)          10 with value (4 104)
% 2.06/2.23  ;    26 with value (4 8)          15 with value (4 56)           4 with value (4 105)
% 2.06/2.23  ;    19 with value (4 9)          17 with value (4 57)           8 with value (4 106)
% 2.06/2.23  ;    14 with value (4 10)         15 with value (4 58)           3 with value (4 108)
% 2.06/2.23  ;    13 with value (4 11)         35 with value (4 59)          10 with value (4 109)
% 2.06/2.23  ;    13 with value (4 12)         18 with value (4 60)           1 with value (4 110)
% 2.06/2.23  ;    20 with value (4 13)         14 with value (4 61)           9 with value (4 111)
% 2.06/2.23  ;    18 with value (4 14)         24 with value (4 62)           5 with value (4 112)
% 2.06/2.23  ;    19 with value (4 15)         14 with value (4 63)           5 with value (4 113)
% 2.06/2.23  ;    17 with value (4 16)         13 with value (4 64)          10 with value (4 114)
% 2.06/2.23  ;    27 with value (4 17)         23 with value (4 65)           7 with value (4 115)
% 2.06/2.23  ;    23 with value (4 18)         14 with value (4 66)           1 with value (4 118)
% 2.06/2.23  ;    27 with value (4 19)         20 with value (4 67)           1 with value (4 120)
% 2.06/2.23  ;    27 with value (4 20)         29 with value (4 68)           9 with value (4 122)
% 2.06/2.23  ;    18 with value (4 21)         28 with value (4 69)           6 with value (4 123)
% 2.06/2.23  ;    14 with value (4 22)         21 with value (4 70)           1 with value (4 124)
% 2.06/2.23  ;    24 with value (4 23)         18 with value (4 71)           9 with value (4 125)
% 2.06/2.23  ;    25 with value (4 24)         12 with value (4 72)           2 with value (4 126)
% 2.06/2.23  ;    19 with value (4 25)         16 with value (4 73)           2 with value (4 129)
% 2.06/2.23  ;    14 with value (4 26)         15 with value (4 74)           2 with value (4 130)
% 2.06/2.23  ;    21 with value (4 27)         24 with value (4 75)           2 with value (4 131)
% 2.06/2.23  ;    13 with value (4 28)         11 with value (4 76)           2 with value (4 134)
% 2.06/2.23  ;    15 with value (4 29)         22 with value (4 77)           3 with value (4 139)
% 2.06/2.23  ;    17 with value (4 30)         25 with value (4 78)           5 with value (4 141)
% 2.06/2.23  ;    25 with value (4 31)         14 with value (4 79)           1 with value (4 142)
% 2.06/2.23  ;    12 with value (4 32)         11 with value (4 80)           5 with value (4 144)
% 2.06/2.23  ;    28 with value (4 33)         10 with value (4 81)           4 with value (4 145)
% 2.06/2.23  ;    23 with value (4 34)          8 with value (4 82)           2 with value (4 146)
% 2.06/2.23  ;    19 with value (4 35)         11 with value (4 83)           1 with value (4 149)
% 2.06/2.23  ;    16 with value (4 36)         13 with value (4 84)           5 with value (4 150)
% 2.06/2.23  ;     7 with value (4 37)         10 with value (4 85)           3 with value (4 152)
% 2.06/2.23  ;    15 with value (4 38)         19 with value (4 86)           4 with value (4 157)
% 2.06/2.23  ;    28 with value (4 39)         19 with value (4 87)           1 with value (4 168)
% 2.06/2.23  ;    38 with value (4 40)         15 with value (4 88)           1 with value (4 173)
% 2.06/2.23  ;    34 with value (4 41)          6 with value (4 89)           1 with value (4 183)
% 2.06/2.23  ;    26 with value (4 42)          9 with value (4 90)           4 with value (4 187)
% 2.06/2.23  ;    36 with value (4 43)          8 with value (4 91)           2 with value (4 193)
% 2.06/2.23  ;    31 with value (4 44)          8 with value (4 92)           1 with value (4 198)
% 2.06/2.23  ;    10 with value (4 45)         17 with value (4 93)           1 with value (4 208)
% 2.06/2.23  ;    33 with value (4 46)         12 with value (4 94)           2 with value (4 209)
% 2.06/2.23  ;    18 with value (4 47)          9 with value (4 95)           1 with value (4 210)
% 2.06/2.24  ;    34 with value (4 48)          9 with value (4 96)           2 with value (4 214)
% 2.06/2.24  ;    22 with value (4 49)         13 with value (4 98)           1 with value (4 216)
% 2.06/2.24  ;    21 with value (4 50)          5 with value (4 99)           1 with value (4 238)
% 2.06/2.24  ;    22 with value (4 51)          8 with value (4 100)          1 with value (4 239)
% 2.06/2.24  ;    32 with value (4 52)          7 with value (4 101)          1 with value (4 349)
% 2.06/2.24  ;    19 with value (4 53)          7 with value (4 102)
% 2.06/2.24  Evaluation took:
% 2.06/2.24    1.751 seconds of real time
% 2.06/2.24    1.646686 seconds of user run time
% 2.06/2.24    0.104491 seconds of system run time
% 2.06/2.24    [Run times include 0.21 seconds GC run time.]
% 2.06/2.24    0 calls to %EVAL
% 2.06/2.24    0 page faults and
% 2.06/2.24    173,172,704 bytes consed.
% 2.06/2.24  :PROOF-FOUND
% 2.06/2.24  ; End refute-file /export/starexec/sandbox/benchmark/theBenchmark.p 2022-07-11T08:01:30
% 2.06/2.24  :PROOF-FOUND
% 2.06/2.24  * 
%------------------------------------------------------------------------------