TSTP Solution File: SET122-7 by SNARK---20120808r022

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SNARK---20120808r022
% Problem  : SET122-7 : TPTP v8.1.0. Bugfixed v7.3.0.
% 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 05:07:40 EDT 2022

% Result   : Unsatisfiable 2.08s 2.29s
% Output   : Refutation 2.13s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    7
%            Number of leaves      :   11
% Syntax   : Number of clauses     :   25 (  17 unt;   5 nHn;  14 RR)
%            Number of literals    :   34 (  17 equ;  10 neg)
%            Maximal clause size   :    3 (   1 avg)
%            Maximal term depth    :   19 (   4 avg)
%            Number of predicates  :    4 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :   13 (  13 usr;   4 con; 0-2 aty)
%            Number of variables   :   31 (   9 sgn)

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

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

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

cnf(corollary_2_to_cartesian_product,axiom,
    ( ~ member(ordered_pair(X,Y),cross_product(Z,U))
    | member(Y,universal_class) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',corollary_2_to_cartesian_product) ).

cnf(singleton_is_null_class,axiom,
    ( member(X,universal_class)
    | singleton(X) = null_class ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',singleton_is_null_class) ).

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(existence_of_1st_and_2nd_3,axiom,
    ( member(ordered_pair(first(X),second(X)),cross_product(universal_class,universal_class))
    | second(X) = X ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',existence_of_1st_and_2nd_3) ).

cnf(existence_of_1st_and_2nd_5,axiom,
    ( ordered_pair(first(X),second(X)) = X
    | second(X) = X ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',existence_of_1st_and_2nd_5) ).

cnf(prove_corollary_2_to_OP_determines_components2_1,negated_conjecture,
    ~ member(y,universal_class),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_corollary_2_to_OP_determines_components2_1) ).

cnf(prove_corollary_2_to_OP_determines_components2_2,negated_conjecture,
    second(ordered_pair(x,y)) != ordered_pair(x,y),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_corollary_2_to_OP_determines_components2_2) ).

cnf(176,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(179,plain,
    ( member(complement(intersection(complement(singleton(singleton(first(X)))),complement(singleton(complement(intersection(complement(singleton(first(X))),complement(singleton(singleton(second(X)))))))))),cross_product(universal_class,universal_class))
    | second(X) = X ),
    inference('REWRITE',[status(thm)],[existence_of_1st_and_2nd_3,176,theory(equality)]) ).

cnf(181,plain,
    ( complement(intersection(complement(singleton(singleton(first(X)))),complement(singleton(complement(intersection(complement(singleton(first(X))),complement(singleton(singleton(second(X)))))))))) = X
    | second(X) = X ),
    inference('REWRITE',[status(thm)],[existence_of_1st_and_2nd_5,176,theory(equality)]) ).

cnf(201,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,universal_class) ),
    inference('REWRITE',[status(thm)],[corollary_2_to_cartesian_product,176,theory(equality)]) ).

cnf(214,plain,
    second(complement(intersection(complement(singleton(singleton(x))),complement(singleton(complement(intersection(complement(singleton(x)),complement(singleton(singleton(y)))))))))) != complement(intersection(complement(singleton(singleton(x))),complement(singleton(complement(intersection(complement(singleton(x)),complement(singleton(singleton(y))))))))),
    inference('REWRITE',[status(thm)],[prove_corollary_2_to_OP_determines_components2_2,176,theory(equality)]) ).

cnf(253,plain,
    singleton(y) = null_class,
    inference('HYPERRESOLVE',[status(thm)],[prove_corollary_2_to_OP_determines_components2_1,singleton_is_null_class]) ).

cnf(254,plain,
    second(complement(intersection(complement(singleton(singleton(x))),complement(singleton(complement(intersection(complement(singleton(x)),complement(singleton(null_class))))))))) != complement(intersection(complement(singleton(singleton(x))),complement(singleton(complement(intersection(complement(singleton(x)),complement(singleton(null_class)))))))),
    inference('REWRITE',[status(thm)],[214,253,theory(equality)]) ).

cnf(280,plain,
    ~ member(y,X),
    inference('UR-RESOLVE',[status(thm)],[subclass_members,class_elements_are_sets,prove_corollary_2_to_OP_determines_components2_1]) ).

cnf(1537,plain,
    member(complement(intersection(complement(singleton(singleton(first(complement(intersection(complement(singleton(singleton(x))),complement(singleton(complement(intersection(complement(singleton(x)),complement(singleton(null_class)))))))))))),complement(singleton(complement(intersection(complement(singleton(first(complement(intersection(complement(singleton(singleton(x))),complement(singleton(complement(intersection(complement(singleton(x)),complement(singleton(null_class))))))))))),complement(singleton(singleton(second(complement(intersection(complement(singleton(singleton(x))),complement(singleton(complement(intersection(complement(singleton(x)),complement(singleton(null_class)))))))))))))))))),cross_product(universal_class,universal_class)),
    inference('UR-RESOLVE',[status(thm)],[179,254]) ).

cnf(1538,plain,
    complement(intersection(complement(singleton(singleton(first(complement(intersection(complement(singleton(singleton(x))),complement(singleton(complement(intersection(complement(singleton(x)),complement(singleton(null_class)))))))))))),complement(singleton(complement(intersection(complement(singleton(first(complement(intersection(complement(singleton(singleton(x))),complement(singleton(complement(intersection(complement(singleton(x)),complement(singleton(null_class))))))))))),complement(singleton(singleton(second(complement(intersection(complement(singleton(singleton(x))),complement(singleton(complement(intersection(complement(singleton(x)),complement(singleton(null_class)))))))))))))))))) = complement(intersection(complement(singleton(singleton(x))),complement(singleton(complement(intersection(complement(singleton(x)),complement(singleton(null_class)))))))),
    inference('UR-RESOLVE',[status(thm)],[181,254]) ).

cnf(1539,plain,
    member(complement(intersection(complement(singleton(singleton(x))),complement(singleton(complement(intersection(complement(singleton(x)),complement(singleton(null_class)))))))),cross_product(universal_class,universal_class)),
    inference('REWRITE',[status(thm)],[1537,1538,theory(equality)]) ).

cnf(2188,plain,
    ~ member(complement(intersection(complement(singleton(singleton(X))),complement(singleton(complement(intersection(complement(singleton(X)),complement(singleton(null_class)))))))),cross_product(Y,Z)),
    inference('REWRITE',[status(thm)],[inference('UR-RESOLVE',[status(thm)],[201,280]),253,theory(equality)]) ).

cnf(2189,plain,
    $false,
    inference('REWRITE',[status(thm)],[1539,2188]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.12  % Problem  : SET122-7 : TPTP v8.1.0. Bugfixed v7.3.0.
% 0.06/0.13  % Command  : run-snark %s %d
% 0.13/0.34  % Computer : n013.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit : 300
% 0.13/0.34  % WCLimit  : 600
% 0.13/0.34  % DateTime : Sat Jul  9 19:45:29 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 0.19/0.46  /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.19/0.47  * 
% 0.19/0.47  * 
% 0.19/0.47  #<PACKAGE "SNARK-USER">
% 0.19/0.47  * 
% 0.19/0.47  SNARK-TPTP-OPTIONS
% 0.19/0.47  * 
% 0.19/0.47  ((AGENDA-LENGTH-LIMIT NIL) (AGENDA-LENGTH-BEFORE-SIMPLIFICATION-LIMIT NIL)
% 0.19/0.47   (USE-HYPERRESOLUTION T) (USE-UR-RESOLUTION T) (USE-PARAMODULATION T)
% 0.19/0.47   (USE-FACTORING :POS)
% 0.19/0.47   (USE-LITERAL-ORDERING-WITH-HYPERRESOLUTION 'LITERAL-ORDERING-P)
% 0.19/0.47   (USE-LITERAL-ORDERING-WITH-PARAMODULATION 'LITERAL-ORDERING-P)
% 0.19/0.47   (ORDERING-FUNCTIONS>CONSTANTS T) (ASSERT-CONTEXT :CURRENT)
% 0.19/0.47   (RUN-TIME-LIMIT 300) (LISTEN-FOR-COMMANDS NIL)
% 0.19/0.47   (USE-CLOSURE-WHEN-SATISFIABLE T) (PRINT-ROWS-WHEN-GIVEN NIL)
% 0.19/0.47   (PRINT-ROWS-WHEN-DERIVED NIL) (PRINT-UNORIENTABLE-ROWS NIL)
% 0.19/0.47   (PRINT-ROW-WFFS-PRETTILY NIL) (PRINT-FINAL-ROWS :TPTP)
% 0.19/0.47   (PRINT-OPTIONS-WHEN-STARTING NIL) (USE-VARIABLE-NAME-SORTS NIL)
% 0.19/0.47   (USE-PURITY-TEST T) (USE-RELEVANCE-TEST T) (DECLARE-TPTP-SYMBOLS1)
% 0.19/0.47   (DECLARE-TPTP-SYMBOLS2))
% 0.19/0.47  * 
% 0.19/0.47  "."
% 0.19/0.47  * 
% 0.19/0.47  ; Begin refute-file /export/starexec/sandbox/benchmark/theBenchmark.p 2022-07-09T19:45:30
% 0.19/0.47  ; Running SNARK from /davis/home/graph/tptp/Systems/SNARK---20120808r022/Source/snark-system.lisp in SBCL 1.0.12 on n013.cluster.edu at 2022-07-09T19:45:30
% 0.19/0.52  
% 0.19/0.52  ; Recognized commutativity assertion (= (|unordered_pair| ?X ?Y) (|unordered_pair| ?Y ?X)).
% 2.08/2.29  ; Declaring unordered_pair to be commutative.
% 2.08/2.29  
% 2.08/2.29  #||
% 2.08/2.29  % SZS status Unsatisfiable for /export/starexec/sandbox/benchmark/theBenchmark.p
% 2.08/2.29  % SZS output start Refutation
% See solution above
% 2.13/2.31  ||#
% 2.13/2.31  
% 2.13/2.31  ; Summary of computation:
% 2.13/2.31  ;      4289 formulas have been input or derived (from 161 formulas).
% 2.13/2.31  ;      2189 (51%) were retained.  Of these,
% 2.13/2.31  ;          186 ( 8%) were simplified or subsumed later,
% 2.13/2.31  ;         2003 (92%) are still being kept.
% 2.13/2.31  ; 
% 2.13/2.31  ; Run time in seconds excluding printing time:
% 2.13/2.31  ;     0.031   2%   Read assertion file          (1 call)
% 2.13/2.31  ;     0.003   0%   Assert                       (169 calls)
% 2.13/2.31  ;     0.386  21%   Process new row              (4,015 calls)
% 2.13/2.31  ;     0.114   6%   Resolution                   (320 calls)
% 2.13/2.31  ;     0.036   2%   Paramodulation               (160 calls)
% 2.13/2.31  ;     0.000   0%   Factoring                    (23 calls)
% 2.13/2.31  ;     0.042   2%   Condensing                   (2,437 calls)
% 2.13/2.31  ;     0.608  34%   Forward subsumption          (2,437 calls)
% 2.13/2.31  ;     0.144   8%   Backward subsumption         (1,891 calls)
% 2.13/2.31  ;     0.055   3%   Clause clause subsumption    (18,724 calls)
% 2.13/2.31  ;     0.326  18%   Forward simplification       (4,012 calls)
% 2.13/2.31  ;     0.013   1%   Backward simplification      (2,172 calls)
% 2.13/2.31  ;     0.014   1%   Ordering                     (8,971 calls)
% 2.13/2.31  ;     0.000   0%   Sortal reasoning             (32 calls)
% 2.13/2.31  ;     0.000   0%   Purity testing               (1 call)
% 2.13/2.31  ;     0.041   2%   Other
% 2.13/2.31  ;     1.813        Total
% 2.13/2.31  ;     1.833        Real time
% 2.13/2.31  ; 
% 2.13/2.31  ; Term-hash-array has 5,450 terms in all.
% 2.13/2.31  ; Feature-vector-row-index has 1,748 entries (1,763 at peak, 1,891 added, 143 deleted).
% 2.13/2.31  ; Feature-vector-row-index has 17,065 nodes (17,203 at peak, 18,378 added, 1,313 deleted).
% 2.13/2.31  ;  Retrieved 30,248 possibly forward subsuming rows in 2,437 calls.
% 2.13/2.31  ;  Retrieved 3,049 possibly backward subsumed rows in 1,891 calls.
% 2.13/2.31  ; Path-index has 5,269 entries (5,270 at peak, 5,702 added, 433 deleted).
% 2.13/2.31  ; Path-index has 14,114 nodes (14,114 at peak, 14,730 added, 616 deleted).
% 2.13/2.31  ; Trie-index has 5,269 entries (5,270 at peak, 5,702 added, 433 deleted).
% 2.13/2.31  ; Trie-index has 29,337 nodes (29,340 at peak, 32,138 added, 2,801 deleted).
% 2.13/2.31  ; Retrieved 31,240 generalization terms in 84,884 calls.
% 2.13/2.31  ; Retrieved 430 instance terms in 280 calls.
% 2.13/2.31  ; Retrieved 83,684 unifiable terms in 2,467 calls.
% 2.13/2.31  ; 
% 2.13/2.31  ; The agenda of rows to process has 17 entries:
% 2.13/2.31  ;     4 with value 33              2 with value 40               4 with value 49
% 2.13/2.31  ;     1 with value 35              1 with value 43               1 with value 58
% 2.13/2.31  ;     2 with value 37              2 with value 46
% 2.13/2.31  ; The agenda of rows to give has 1844 entries:
% 2.13/2.31  ;     2 with value (4 6)          19 with value (4 55)           8 with value (4 104)
% 2.13/2.31  ;    17 with value (4 7)          19 with value (4 56)           4 with value (4 105)
% 2.13/2.31  ;    13 with value (4 8)          17 with value (4 57)           8 with value (4 106)
% 2.13/2.31  ;    15 with value (4 9)          17 with value (4 58)           5 with value (4 108)
% 2.13/2.31  ;    13 with value (4 10)         37 with value (4 59)           8 with value (4 109)
% 2.13/2.31  ;    13 with value (4 11)         16 with value (4 60)           1 with value (4 110)
% 2.13/2.31  ;    11 with value (4 12)         13 with value (4 61)          13 with value (4 111)
% 2.13/2.31  ;    16 with value (4 13)         22 with value (4 62)           5 with value (4 112)
% 2.13/2.31  ;    17 with value (4 14)         18 with value (4 63)           5 with value (4 113)
% 2.13/2.31  ;    19 with value (4 15)         15 with value (4 64)          14 with value (4 114)
% 2.13/2.31  ;    14 with value (4 16)         21 with value (4 65)           9 with value (4 115)
% 2.13/2.31  ;    24 with value (4 17)         18 with value (4 66)           9 with value (4 116)
% 2.13/2.31  ;    23 with value (4 18)         19 with value (4 67)           2 with value (4 118)
% 2.13/2.31  ;    27 with value (4 19)         20 with value (4 68)           1 with value (4 120)
% 2.13/2.31  ;    26 with value (4 20)         25 with value (4 69)          11 with value (4 122)
% 2.13/2.31  ;    20 with value (4 21)         17 with value (4 70)           8 with value (4 123)
% 2.13/2.31  ;    14 with value (4 22)         18 with value (4 71)           1 with value (4 124)
% 2.13/2.31  ;    25 with value (4 23)         10 with value (4 72)           5 with value (4 125)
% 2.13/2.31  ;    23 with value (4 24)         15 with value (4 73)          10 with value (4 126)
% 2.13/2.31  ;    20 with value (4 25)         11 with value (4 74)           2 with value (4 129)
% 2.13/2.31  ;    15 with value (4 26)         19 with value (4 75)           2 with value (4 130)
% 2.13/2.31  ;    21 with value (4 27)         15 with value (4 76)           2 with value (4 131)
% 2.13/2.31  ;    13 with value (4 28)         20 with value (4 77)           4 with value (4 134)
% 2.13/2.31  ;    15 with value (4 29)         23 with value (4 78)           3 with value (4 139)
% 2.13/2.31  ;    17 with value (4 30)         19 with value (4 79)           3 with value (4 141)
% 2.13/2.31  ;    26 with value (4 31)         13 with value (4 80)           1 with value (4 142)
% 2.13/2.31  ;    12 with value (4 32)         10 with value (4 81)           5 with value (4 144)
% 2.13/2.31  ;    13 with value (4 33)          8 with value (4 82)           2 with value (4 145)
% 2.13/2.31  ;    15 with value (4 34)         10 with value (4 83)           2 with value (4 146)
% 2.13/2.31  ;    15 with value (4 35)         13 with value (4 84)           1 with value (4 149)
% 2.13/2.31  ;    14 with value (4 36)         16 with value (4 85)           3 with value (4 150)
% 2.13/2.31  ;     7 with value (4 37)         18 with value (4 86)           1 with value (4 152)
% 2.13/2.31  ;    15 with value (4 38)         28 with value (4 87)           2 with value (4 157)
% 2.13/2.31  ;    20 with value (4 39)         12 with value (4 88)           1 with value (4 168)
% 2.13/2.31  ;    36 with value (4 40)         10 with value (4 89)           1 with value (4 173)
% 2.13/2.31  ;    24 with value (4 41)         16 with value (4 90)           1 with value (4 183)
% 2.13/2.31  ;    25 with value (4 42)          7 with value (4 91)           4 with value (4 187)
% 2.13/2.31  ;    36 with value (4 43)          4 with value (4 92)           2 with value (4 193)
% 2.13/2.31  ;    22 with value (4 44)         15 with value (4 93)           1 with value (4 198)
% 2.13/2.31  ;    12 with value (4 45)         11 with value (4 94)           4 with value (4 203)
% 2.13/2.31  ;    34 with value (4 46)         10 with value (4 95)           1 with value (4 208)
% 2.13/2.31  ;    17 with value (4 47)         10 with value (4 96)           2 with value (4 209)
% 2.13/2.31  ;    33 with value (4 48)         16 with value (4 98)           1 with value (4 210)
% 2.13/2.31  ;    18 with value (4 49)          5 with value (4 99)           2 with value (4 214)
% 2.13/2.31  ;    19 with value (4 50)          8 with value (4 100)          1 with value (4 216)
% 2.13/2.31  ;    22 with value (4 51)          8 with value (4 101)          1 with value (4 238)
% 2.13/2.31  ;    24 with value (4 52)          8 with value (4 102)          1 with value (4 239)
% 2.13/2.31  ;    17 with value (4 53)          5 with value (4 103)          1 with value (4 349)
% 2.13/2.31  ;    27 with value (4 54)
% 2.13/2.31  Evaluation took:
% 2.13/2.31    1.836 seconds of real time
% 2.13/2.31    1.719457 seconds of user run time
% 2.13/2.31    0.115995 seconds of system run time
% 2.13/2.31    [Run times include 0.193 seconds GC run time.]
% 2.13/2.31    0 calls to %EVAL
% 2.13/2.31    0 page faults and
% 2.13/2.31    191,398,080 bytes consed.
% 2.13/2.31  :PROOF-FOUND
% 2.13/2.31  ; End refute-file /export/starexec/sandbox/benchmark/theBenchmark.p 2022-07-09T19:45:31
% 2.13/2.31  :PROOF-FOUND
% 2.13/2.31  * 
%------------------------------------------------------------------------------