TSTP Solution File: SEU171+2 by SNARK---20120808r022

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SNARK---20120808r022
% Problem  : SEU171+2 : TPTP v8.1.0. Released v3.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run-snark %s %d

% Computer : n011.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 14:19:48 EDT 2022

% Result   : Theorem 0.77s 0.93s
% Output   : Refutation 0.77s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    3
%            Number of leaves      :    9
% Syntax   : Number of clauses     :   14 (  10 unt;   2 nHn;  14 RR)
%            Number of literals    :   21 (   5 equ;  10 neg)
%            Maximal clause size   :    4 (   1 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    5 (   3 usr;   1 prp; 0-2 aty)
%            Number of functors    :    7 (   7 usr;   4 con; 0-2 aty)
%            Number of variables   :    9 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(15,axiom,
    ( empty(X)
    | ~ element(Y,X)
    | in(Y,X) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',d2_subset_1) ).

cnf(53,axiom,
    ( X != set_difference(Y,Z)
    | in(U,X)
    | ~ in(U,Y)
    | in(U,Z) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',d4_xboole_0) ).

cnf(57,axiom,
    ( ~ element(X,powerset(Y))
    | subset_complement(Y,X) = set_difference(Y,X) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',d5_subset_1) ).

cnf(138,negated_conjecture,
    'SKOLEMAAAV26' != empty_set,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t50_subset_1) ).

cnf(139,negated_conjecture,
    element('SKOLEMAAAV27',powerset('SKOLEMAAAV26')),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t50_subset_1) ).

cnf(140,negated_conjecture,
    element('SKOLEMAAAV28','SKOLEMAAAV26'),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t50_subset_1) ).

cnf(141,negated_conjecture,
    ~ in('SKOLEMAAAV28','SKOLEMAAAV27'),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t50_subset_1) ).

cnf(142,negated_conjecture,
    ~ in('SKOLEMAAAV28',subset_complement('SKOLEMAAAV26','SKOLEMAAAV27')),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t50_subset_1) ).

cnf(148,axiom,
    ( ~ empty(X)
    | X = empty_set ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t6_boole) ).

cnf(175,plain,
    ~ empty('SKOLEMAAAV26'),
    inference('UR-RESOLVE',[status(thm)],[148,138]) ).

cnf(234,plain,
    in('SKOLEMAAAV28','SKOLEMAAAV26'),
    inference('REWRITE',[status(thm)],[inference('HYPERRESOLVE',[status(thm)],[15,140]),175]) ).

cnf(523,plain,
    subset_complement('SKOLEMAAAV26','SKOLEMAAAV27') = set_difference('SKOLEMAAAV26','SKOLEMAAAV27'),
    inference('HYPERRESOLVE',[status(thm)],[57,139]) ).

cnf(524,plain,
    ~ in('SKOLEMAAAV28',set_difference('SKOLEMAAAV26','SKOLEMAAAV27')),
    inference('REWRITE',[status(thm)],[142,523,theory(equality)]) ).

cnf(1140,plain,
    $false,
    inference('REWRITE',[status(thm)],[inference('UR-RESOLVE',[status(thm)],[53,524,141,theory(equality)]),234]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : SEU171+2 : TPTP v8.1.0. Released v3.3.0.
% 0.07/0.13  % Command  : run-snark %s %d
% 0.14/0.35  % Computer : n011.cluster.edu
% 0.14/0.35  % Model    : x86_64 x86_64
% 0.14/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.35  % Memory   : 8042.1875MB
% 0.14/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.35  % CPULimit : 300
% 0.14/0.35  % WCLimit  : 600
% 0.14/0.35  % DateTime : Sun Jun 19 01:57:08 EDT 2022
% 0.14/0.35  % CPUTime  : 
% 0.21/0.47  /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.21/0.48  * 
% 0.21/0.48  * 
% 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  * 
% 0.21/0.49  ; Begin refute-file /export/starexec/sandbox/benchmark/theBenchmark.p 2022-06-19T01:57:08
% 0.21/0.49  ; Running SNARK from /davis/home/graph/tptp/Systems/SNARK---20120808r022/Source/snark-system.lisp in SBCL 1.0.12 on n011.cluster.edu at 2022-06-19T01:57:08
% 0.21/0.52  
% 0.21/0.52  ; Recognized commutativity assertion (= (|unordered_pair| ?X ?Y) (|unordered_pair| ?Y ?X)).
% 0.21/0.52  ; Recognized commutativity assertion (= (|set_union2| ?X ?Y) (|set_union2| ?Y ?X)).
% 0.21/0.52  ; Recognized commutativity assertion (= (|set_intersection2| ?X ?Y) (|set_intersection2| ?Y ?X)).
% 0.21/0.52  ; Recognized commutativity assertion (OR (NOT (|disjoint| ?X ?Y)) (|disjoint| ?Y ?X)).
% 0.21/0.52  ; Recognized right identity assertion (= (|set_union2| ?X |empty_set|) ?X).
% 0.21/0.52  ; Recognized right identity assertion (= (|set_difference| ?X |empty_set|) ?X).
% 0.21/0.52  ; Declaring unordered_pair to be commutative.
% 0.21/0.52  ; Declaring set_union2 to be commutative.
% 0.21/0.52  ; Declaring set_intersection2 to be commutative.
% 0.21/0.52  WARNING:
% 0.21/0.52     |are_equipotent| is a 2-ary relation that occurs only positively; disabling rows that contain it.
% 0.77/0.93  ; Declaring disjoint to be commutative.
% 0.77/0.93  
% 0.77/0.93  #||
% 0.77/0.93  % SZS status Theorem for /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.77/0.93  % SZS output start Refutation
% See solution above
% 0.77/0.93  ||#
% 0.77/0.93  
% 0.77/0.93  ; Summary of computation:
% 0.77/0.93  ;      4218 formulas have been input or derived (from 131 formulas).
% 0.77/0.93  ;      1140 (27%) were retained.  Of these,
% 0.77/0.93  ;           48 ( 4%) were simplified or subsumed later,
% 0.77/0.93  ;         1092 (96%) are still being kept.
% 0.77/0.93  ; 
% 0.77/0.93  ; Run time in seconds excluding printing time:
% 0.77/0.93  ;     0.021   5%   Read assertion file          (1 call)
% 0.77/0.93  ;     0.007   2%   Assert                       (111 calls)
% 0.77/0.93  ;     0.079  18%   Process new row              (3,837 calls)
% 0.77/0.93  ;     0.082  18%   Resolution                   (260 calls)
% 0.77/0.93  ;     0.003   1%   Paramodulation               (130 calls)
% 0.77/0.93  ;     0.000   0%   Factoring                    (9 calls)
% 0.77/0.93  ;     0.036   8%   Condensing                   (1,925 calls)
% 0.77/0.93  ;     0.045  10%   Forward subsumption          (1,925 calls)
% 0.77/0.93  ;     0.022   5%   Backward subsumption         (805 calls)
% 0.77/0.93  ;     0.017   4%   Clause clause subsumption    (3,493 calls)
% 0.77/0.93  ;     0.076  17%   Forward simplification       (3,834 calls)
% 0.77/0.93  ;     0.006   1%   Backward simplification      (1,137 calls)
% 0.77/0.93  ;     0.006   1%   Ordering                     (3,361 calls)
% 0.77/0.93  ;     0.000   0%   Sortal reasoning             (32 calls)
% 0.77/0.93  ;     0.000   0%   Purity testing               (1 call)
% 0.77/0.93  ;     0.047  11%   Other
% 0.77/0.93  ;     0.447        Total
% 0.77/0.93  ;     0.449        Real time
% 0.77/0.93  ; 
% 0.77/0.93  ; Term-hash-array has 2,009 terms in all.
% 0.77/0.93  ; Feature-vector-row-index has 793 entries (793 at peak, 805 added, 12 deleted).
% 0.77/0.93  ; Feature-vector-row-index has 1,916 nodes (1,916 at peak, 1,946 added, 30 deleted).
% 0.77/0.93  ;  Retrieved 6,562 possibly forward subsuming rows in 1,925 calls.
% 0.77/0.93  ;  Retrieved 541 possibly backward subsumed rows in 805 calls.
% 0.77/0.93  ; Path-index has 1,963 entries (1,963 at peak, 2,021 added, 58 deleted).
% 0.77/0.93  ; Path-index has 3,583 nodes (3,583 at peak, 3,642 added, 59 deleted).
% 0.77/0.93  ; Trie-index has 1,963 entries (1,963 at peak, 2,021 added, 58 deleted).
% 0.77/0.93  ; Trie-index has 5,146 nodes (5,146 at peak, 5,323 added, 177 deleted).
% 0.77/0.93  ; Retrieved 10,526 generalization terms in 16,967 calls.
% 0.77/0.93  ; Retrieved 444 instance terms in 332 calls.
% 0.77/0.93  ; Retrieved 115,613 unifiable terms in 2,044 calls.
% 0.77/0.93  ; 
% 0.77/0.93  ; The agenda of rows to process has 139 entries:
% 0.77/0.93  ;     1 with value 8               6 with value 18               1 with value 27
% 0.77/0.93  ;     4 with value 10              9 with value 19               3 with value 28
% 0.77/0.93  ;     4 with value 11              5 with value 20               7 with value 30
% 0.77/0.93  ;     6 with value 12              8 with value 21               7 with value 31
% 0.77/0.93  ;     6 with value 13              4 with value 22               2 with value 32
% 0.77/0.93  ;     6 with value 14              5 with value 23               2 with value 33
% 0.77/0.93  ;     7 with value 15             13 with value 24               1 with value 35
% 0.77/0.93  ;     4 with value 16              4 with value 25               1 with value 36
% 0.77/0.93  ;    14 with value 17              7 with value 26               2 with value 40
% 0.77/0.93  ; The agenda of input rows to give has 28 entries:
% 0.77/0.93  ;     5 with value 20              1 with value 25               1 with value 32
% 0.77/0.93  ;     2 with value 22              3 with value 26               1 with value 33
% 0.77/0.93  ;    10 with value 23              3 with value 31               1 with value 34
% 0.77/0.93  ;     1 with value 24
% 0.77/0.93  ; The agenda of rows to give has 937 entries:
% 0.77/0.93  ;     1 with value (4 4)          36 with value (4 17)          31 with value (4 30)
% 0.77/0.93  ;     9 with value (4 5)          47 with value (4 18)          16 with value (4 31)
% 0.77/0.93  ;     5 with value (4 6)          44 with value (4 19)           5 with value (4 32)
% 0.77/0.93  ;    31 with value (4 7)          48 with value (4 20)          12 with value (4 33)
% 0.77/0.93  ;    34 with value (4 8)          40 with value (4 21)           4 with value (4 34)
% 0.77/0.93  ;    35 with value (4 9)          41 with value (4 22)           7 with value (4 35)
% 0.77/0.93  ;    37 with value (4 10)         30 with value (4 23)           5 with value (4 36)
% 0.77/0.93  ;    40 with value (4 11)         14 with value (4 24)          13 with value (4 37)
% 0.77/0.93  ;    39 with value (4 12)         42 with value (4 25)           6 with value (4 38)
% 0.77/0.93  ;    47 with value (4 13)         21 with value (4 26)          12 with value (4 40)
% 0.77/0.93  ;    28 with value (4 14)         11 with value (4 27)           2 with value (4 41)
% 0.77/0.93  ;    41 with value (4 15)         37 with value (4 28)           4 with value (4 49)
% 0.77/0.93  ;    38 with value (4 16)         22 with value (4 29)           2 with value (4 50)
% 0.77/0.93  Evaluation took:
% 0.77/0.93    0.449 seconds of real time
% 0.77/0.93    0.408237 seconds of user run time
% 0.77/0.93    0.041168 seconds of system run time
% 0.77/0.93    [Run times include 0.019 seconds GC run time.]
% 0.77/0.93    0 calls to %EVAL
% 0.77/0.93    0 page faults and
% 0.77/0.93    31,696,984 bytes consed.
% 0.77/0.93  :PROOF-FOUND
% 0.77/0.93  ; End refute-file /export/starexec/sandbox/benchmark/theBenchmark.p 2022-06-19T01:57:09
% 0.77/0.93  :PROOF-FOUND
% 0.77/0.93  * 
%------------------------------------------------------------------------------