TSTP Solution File: SET015-4 by SNARK---20120808r022

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SNARK---20120808r022
% Problem  : SET015-4 : TPTP v8.1.0. Bugfixed v1.2.1.
% 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 05:05:46 EDT 2022

% Result   : Unsatisfiable 2.39s 2.57s
% Output   : Refutation 2.39s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    9
%            Number of leaves      :   12
% Syntax   : Number of clauses     :   31 (  11 unt;  13 nHn;  26 RR)
%            Number of literals    :   55 (   9 equ;  15 neg)
%            Maximal clause size   :    3 (   1 avg)
%            Maximal term depth    :    4 (   1 avg)
%            Number of predicates  :    4 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :    8 (   8 usr;   4 con; 0-2 aty)
%            Number of variables   :   24 (   2 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(extensionality1,axiom,
    ( little_set(f1(X,Y))
    | X = Y ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',extensionality1) ).

cnf(extensionality2,axiom,
    ( member(f1(X,Y),X)
    | member(f1(X,Y),Y)
    | X = Y ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',extensionality2) ).

cnf(extensionality3,axiom,
    ( ~ member(f1(X,Y),X)
    | ~ member(f1(X,Y),Y)
    | X = Y ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',extensionality3) ).

cnf(intersection1,axiom,
    ( ~ member(X,intersection(Y,Z))
    | member(X,Y) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',intersection1) ).

cnf(intersection2,axiom,
    ( ~ member(X,intersection(Y,Z))
    | member(X,Z) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',intersection2) ).

cnf(intersection3,axiom,
    ( member(X,intersection(Y,Z))
    | ~ member(X,Y)
    | ~ member(X,Z) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',intersection3) ).

cnf(complement1,axiom,
    ( ~ member(X,complement(Y))
    | ~ member(X,Y) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',complement1) ).

cnf(complement2,axiom,
    ( member(X,complement(Y))
    | ~ little_set(X)
    | member(X,Y) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',complement2) ).

cnf(union,axiom,
    union(X,Y) = complement(intersection(complement(X),complement(Y))),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',union) ).

cnf(a_union_b_is_c,hypothesis,
    union(as,bs) = cs,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',a_union_b_is_c) ).

cnf(14,plain,
    complement(intersection(complement(as),complement(bs))) = cs,
    inference('REWRITE',[status(thm)],[a_union_b_is_c,union,theory(equality)]) ).

cnf(b_union_a_is_d,hypothesis,
    union(bs,as) = ds,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',b_union_a_is_d) ).

cnf(16,plain,
    complement(intersection(complement(bs),complement(as))) = ds,
    inference('REWRITE',[status(thm)],[b_union_a_is_d,union,theory(equality)]) ).

cnf(prove_c_equals_d,negated_conjecture,
    cs != ds,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_c_equals_d) ).

cnf(18,plain,
    little_set(f1(cs,ds)),
    inference('UR-RESOLVE',[status(thm)],[extensionality1,prove_c_equals_d]) ).

cnf(23,plain,
    ( ~ member(X,cs)
    | ~ member(X,intersection(complement(as),complement(bs))) ),
    inference('PARAMODULATE',[status(thm)],[complement1,14,theory(equality)]) ).

cnf(24,plain,
    ( ~ member(X,ds)
    | ~ member(X,intersection(complement(bs),complement(as))) ),
    inference('PARAMODULATE',[status(thm)],[complement1,16,theory(equality)]) ).

cnf(36,plain,
    ( member(f1(cs,ds),complement(X))
    | member(f1(cs,ds),X) ),
    inference('HYPERRESOLVE',[status(thm)],[complement2,18]) ).

cnf(251,plain,
    ( member(f1(cs,ds),ds)
    | member(f1(cs,ds),cs) ),
    inference('REWRITE',[status(thm)],[inference('HYPERRESOLVE',[status(thm)],[complement1,36,extensionality2]),prove_c_equals_d]) ).

cnf(256,plain,
    ( member(f1(cs,ds),cs)
    | member(f1(cs,ds),intersection(complement(as),complement(bs))) ),
    inference('PARAMODULATE',[status(thm)],[36,14,theory(equality)]) ).

cnf(257,plain,
    ( member(f1(cs,ds),ds)
    | member(f1(cs,ds),intersection(complement(bs),complement(as))) ),
    inference('PARAMODULATE',[status(thm)],[36,16,theory(equality)]) ).

cnf(2621,plain,
    ( member(f1(cs,ds),cs)
    | member(f1(cs,ds),complement(bs)) ),
    inference('HYPERRESOLVE',[status(thm)],[intersection2,256]) ).

cnf(2622,plain,
    ( member(f1(cs,ds),cs)
    | member(f1(cs,ds),complement(as)) ),
    inference('HYPERRESOLVE',[status(thm)],[intersection1,256]) ).

cnf(2635,plain,
    ( member(f1(cs,ds),cs)
    | member(f1(cs,ds),intersection(complement(bs),complement(as))) ),
    inference('HYPERRESOLVE',[status(thm)],[intersection3,2622,2621]) ).

cnf(2640,plain,
    ( member(f1(cs,ds),ds)
    | member(f1(cs,ds),complement(as)) ),
    inference('HYPERRESOLVE',[status(thm)],[intersection2,257]) ).

cnf(2641,plain,
    ( member(f1(cs,ds),ds)
    | member(f1(cs,ds),complement(bs)) ),
    inference('HYPERRESOLVE',[status(thm)],[intersection1,257]) ).

cnf(2648,plain,
    ( member(f1(cs,ds),ds)
    | member(f1(cs,ds),intersection(complement(as),complement(bs))) ),
    inference('HYPERRESOLVE',[status(thm)],[intersection3,2641,2640]) ).

cnf(3159,plain,
    member(f1(cs,ds),cs),
    inference('HYPERRESOLVE',[status(thm)],[24,2635,251]) ).

cnf(3160,plain,
    ~ member(f1(cs,ds),ds),
    inference('UR-RESOLVE',[status(thm)],[extensionality3,3159,prove_c_equals_d]) ).

cnf(3172,plain,
    member(f1(cs,ds),intersection(complement(as),complement(bs))),
    inference('REWRITE',[status(thm)],[2648,3160]) ).

cnf(3178,plain,
    $false,
    inference('REWRITE',[status(thm)],[inference('UR-RESOLVE',[status(thm)],[23,3159]),3172]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.12  % Problem  : SET015-4 : TPTP v8.1.0. Bugfixed v1.2.1.
% 0.06/0.13  % Command  : run-snark %s %d
% 0.13/0.33  % Computer : n018.cluster.edu
% 0.13/0.33  % Model    : x86_64 x86_64
% 0.13/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.33  % Memory   : 8042.1875MB
% 0.13/0.33  % 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 : Sun Jul 10 22:54:13 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 0.20/0.45  /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.20/0.46  * 
% 0.20/0.46  * 
% 0.20/0.46  #<PACKAGE "SNARK-USER">
% 0.20/0.46  * 
% 0.20/0.46  SNARK-TPTP-OPTIONS
% 0.20/0.46  * 
% 0.20/0.47  ((AGENDA-LENGTH-LIMIT NIL) (AGENDA-LENGTH-BEFORE-SIMPLIFICATION-LIMIT NIL)
% 0.20/0.47   (USE-HYPERRESOLUTION T) (USE-UR-RESOLUTION T) (USE-PARAMODULATION T)
% 0.20/0.47   (USE-FACTORING :POS)
% 0.20/0.47   (USE-LITERAL-ORDERING-WITH-HYPERRESOLUTION 'LITERAL-ORDERING-P)
% 0.20/0.47   (USE-LITERAL-ORDERING-WITH-PARAMODULATION 'LITERAL-ORDERING-P)
% 0.20/0.47   (ORDERING-FUNCTIONS>CONSTANTS T) (ASSERT-CONTEXT :CURRENT)
% 0.20/0.47   (RUN-TIME-LIMIT 300) (LISTEN-FOR-COMMANDS NIL)
% 0.20/0.47   (USE-CLOSURE-WHEN-SATISFIABLE T) (PRINT-ROWS-WHEN-GIVEN NIL)
% 0.20/0.47   (PRINT-ROWS-WHEN-DERIVED NIL) (PRINT-UNORIENTABLE-ROWS NIL)
% 0.20/0.47   (PRINT-ROW-WFFS-PRETTILY NIL) (PRINT-FINAL-ROWS :TPTP)
% 0.20/0.47   (PRINT-OPTIONS-WHEN-STARTING NIL) (USE-VARIABLE-NAME-SORTS NIL)
% 0.20/0.47   (USE-PURITY-TEST T) (USE-RELEVANCE-TEST T) (DECLARE-TPTP-SYMBOLS1)
% 0.20/0.47   (DECLARE-TPTP-SYMBOLS2))
% 0.20/0.47  * 
% 0.20/0.47  "."
% 0.20/0.47  * 
% 0.20/0.47  ; Begin refute-file /export/starexec/sandbox/benchmark/theBenchmark.p 2022-07-10T22:54:13
% 0.20/0.47  ; Running SNARK from /davis/home/graph/tptp/Systems/SNARK---20120808r022/Source/snark-system.lisp in SBCL 1.0.12 on n018.cluster.edu at 2022-07-10T22:54:13
% 2.39/2.57  
% 2.39/2.57  
% 2.39/2.57  #||
% 2.39/2.57  % SZS status Unsatisfiable for /export/starexec/sandbox/benchmark/theBenchmark.p
% 2.39/2.57  % SZS output start Refutation
% See solution above
% 2.39/2.57  ||#
% 2.39/2.57  
% 2.39/2.57  ; Summary of computation:
% 2.39/2.57  ;     10828 formulas have been input or derived (from 250 formulas).
% 2.39/2.57  ;      3178 (29%) were retained.  Of these,
% 2.39/2.57  ;         2484 (78%) were simplified or subsumed later,
% 2.39/2.57  ;          694 (22%) are still being kept.
% 2.39/2.57  ; 
% 2.39/2.57  ; Run time in seconds excluding printing time:
% 2.39/2.57  ;     0.002   0%   Read assertion file          (1 call)
% 2.39/2.57  ;     0.001   0%   Assert                       (15 calls)
% 2.39/2.57  ;     0.282  13%   Process new row              (10,315 calls)
% 2.39/2.57  ;     0.143   7%   Resolution                   (498 calls)
% 2.39/2.57  ;     0.019   1%   Paramodulation               (249 calls)
% 2.39/2.57  ;     0.001   0%   Factoring                    (164 calls)
% 2.39/2.57  ;     0.035   2%   Condensing                   (6,724 calls)
% 2.39/2.57  ;     0.589  28%   Forward subsumption          (6,724 calls)
% 2.39/2.57  ;     0.198   9%   Backward subsumption         (2,521 calls)
% 2.39/2.57  ;     0.454  22%   Clause clause subsumption    (271,228 calls)
% 2.39/2.57  ;     0.186   9%   Forward simplification       (10,067 calls)
% 2.39/2.57  ;     0.110   5%   Backward simplification      (3,176 calls)
% 2.39/2.57  ;     0.009   0%   Ordering                     (16,829 calls)
% 2.39/2.57  ;     0.000   0%   Sortal reasoning             (32 calls)
% 2.39/2.57  ;     0.000   0%   Purity testing               (1 call)
% 2.39/2.57  ;     0.067   3%   Other
% 2.39/2.57  ;     2.096        Total
% 2.39/2.57  ;     2.107        Real time
% 2.39/2.57  ; 
% 2.39/2.57  ; Term-hash-array has 4,640 terms in all.
% 2.39/2.57  ; Feature-vector-row-index has 660 entries (1,342 at peak, 2,521 added, 1,861 deleted).
% 2.39/2.57  ; Feature-vector-row-index has 1,304 nodes (1,360 at peak, 2,952 added, 1,648 deleted).
% 2.39/2.57  ;  Retrieved 245,683 possibly forward subsuming rows in 6,724 calls.
% 2.39/2.57  ;  Retrieved 74,981 possibly backward subsumed rows in 2,521 calls.
% 2.39/2.57  ; Path-index has 1,093 entries (2,690 at peak, 4,664 added, 3,571 deleted).
% 2.39/2.57  ; Path-index has 762 nodes (762 at peak, 1,034 added, 272 deleted).
% 2.39/2.57  ; Trie-index has 1,093 entries (2,690 at peak, 4,664 added, 3,571 deleted).
% 2.39/2.57  ; Trie-index has 2,425 nodes (6,325 at peak, 10,769 added, 8,344 deleted).
% 2.39/2.57  ; Retrieved 25,170 generalization terms in 51,955 calls.
% 2.39/2.57  ; Retrieved 1,205 instance terms in 654 calls.
% 2.39/2.57  ; Retrieved 105,546 unifiable terms in 3,375 calls.
% 2.39/2.57  ; 
% 2.39/2.57  ; The agenda of rows to process has 14 entries:
% 2.39/2.57  ;     2 with value 20              2 with value 27               4 with value 29
% 2.39/2.57  ;     6 with value 25
% 2.39/2.57  ; The agenda of rows to give has 586 entries:
% 2.39/2.57  ;     2 with value (4 12)         24 with value (4 27)           8 with value (4 35)
% 2.39/2.57  ;     1 with value (4 14)        118 with value (4 28)          24 with value (4 36)
% 2.39/2.57  ;     2 with value (4 15)         19 with value (4 29)          32 with value (4 37)
% 2.39/2.57  ;     1 with value (4 17)         50 with value (4 30)          24 with value (4 38)
% 2.39/2.57  ;     6 with value (4 21)         36 with value (4 31)          32 with value (4 39)
% 2.39/2.57  ;    26 with value (4 24)         27 with value (4 32)           8 with value (4 40)
% 2.39/2.57  ;    26 with value (4 25)         36 with value (4 33)          16 with value (4 41)
% 2.39/2.57  ;    32 with value (4 26)          4 with value (4 34)          32 with value (4 43)
% 2.39/2.57  Evaluation took:
% 2.39/2.57    2.108 seconds of real time
% 2.39/2.57    1.710319 seconds of user run time
% 2.39/2.57    0.389171 seconds of system run time
% 2.39/2.57    [Run times include 0.136 seconds GC run time.]
% 2.39/2.57    0 calls to %EVAL
% 2.39/2.57    0 page faults and
% 2.39/2.57    234,521,056 bytes consed.
% 2.39/2.57  :PROOF-FOUND
% 2.39/2.57  ; End refute-file /export/starexec/sandbox/benchmark/theBenchmark.p 2022-07-10T22:54:15
% 2.39/2.57  :PROOF-FOUND
% 2.39/2.57  * 
%------------------------------------------------------------------------------