TSTP Solution File: SET047-5 by SNARK---20120808r022

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SNARK---20120808r022
% Problem  : SET047-5 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run-snark %s %d

% Computer : n017.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 05:06:27 EDT 2022

% Result   : Unsatisfiable 0.22s 0.57s
% Output   : Refutation 0.22s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   17
%            Number of leaves      :    6
% Syntax   : Number of clauses     :   23 (   7 unt;  12 nHn;  22 RR)
%            Number of literals    :   48 (   0 equ;   9 neg)
%            Maximal clause size   :    4 (   2 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    3 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :    3 (   3 usr;   2 con; 0-2 aty)
%            Number of variables   :   10 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(element_substitution1,axiom,
    ( ~ set_equal(X,Y)
    | ~ element(Z,X)
    | element(Z,Y) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',element_substitution1) ).

cnf(element_substitution2,axiom,
    ( ~ set_equal(X,Y)
    | ~ element(Z,Y)
    | element(Z,X) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',element_substitution2) ).

cnf(clause_3,axiom,
    ( element(f(X,Y),X)
    | element(f(X,Y),Y)
    | set_equal(X,Y) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause_3) ).

cnf(clause_4,axiom,
    ( ~ element(f(X,Y),Y)
    | ~ element(f(X,Y),X)
    | set_equal(X,Y) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause_4) ).

cnf(prove_symmetry1,negated_conjecture,
    ( set_equal(a,b)
    | set_equal(b,a) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_symmetry1) ).

cnf(prove_symmetry2,negated_conjecture,
    ( ~ set_equal(b,a)
    | ~ set_equal(a,b) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_symmetry2) ).

cnf(8,plain,
    ( element(f(a,b),a)
    | element(f(a,b),b)
    | element(f(b,a),b)
    | element(f(b,a),a) ),
    inference('HYPERRESOLVE',[status(thm)],[prove_symmetry2,clause_3,clause_3]) ).

cnf(11,plain,
    ( element(f(a,b),a)
    | element(f(b,a),b)
    | element(f(b,a),a) ),
    inference('CONDENSE',[status(thm)],[inference('HYPERRESOLVE',[status(thm)],[element_substitution1,8,clause_3])]) ).

cnf(12,plain,
    ( element(f(a,b),a)
    | element(f(b,a),a)
    | set_equal(a,b) ),
    inference('HYPERRESOLVE',[status(thm)],[element_substitution1,11,prove_symmetry1]) ).

cnf(16,plain,
    ( element(f(a,b),a)
    | element(f(b,a),a) ),
    inference('HYPERRESOLVE',[status(thm)],[element_substitution2,12,11]) ).

cnf(17,plain,
    ( element(f(b,a),a)
    | set_equal(b,a)
    | element(f(a,b),b) ),
    inference('HYPERRESOLVE',[status(thm)],[element_substitution1,16,prove_symmetry1]) ).

cnf(25,plain,
    ( element(f(b,a),a)
    | element(f(a,b),b) ),
    inference('HYPERRESOLVE',[status(thm)],[element_substitution2,17,16]) ).

cnf(26,plain,
    ( element(f(b,a),a)
    | set_equal(a,b) ),
    inference('HYPERRESOLVE',[status(thm)],[clause_4,25,16]) ).

cnf(29,plain,
    ( element(f(b,a),a)
    | element(f(b,a),b) ),
    inference('HYPERRESOLVE',[status(thm)],[prove_symmetry2,26,clause_3]) ).

cnf(30,plain,
    element(f(b,a),a),
    inference('HYPERRESOLVE',[status(thm)],[element_substitution2,29,26]) ).

cnf(31,plain,
    ( set_equal(b,a)
    | element(f(b,a),b) ),
    inference('HYPERRESOLVE',[status(thm)],[element_substitution1,30,prove_symmetry1]) ).

cnf(35,plain,
    element(f(b,a),b),
    inference('HYPERRESOLVE',[status(thm)],[element_substitution2,31,30]) ).

cnf(36,plain,
    set_equal(b,a),
    inference('HYPERRESOLVE',[status(thm)],[clause_4,35,30]) ).

cnf(37,plain,
    ~ set_equal(a,b),
    inference('REWRITE',[status(thm)],[prove_symmetry2,36]) ).

cnf(40,plain,
    ( element(f(a,b),a)
    | element(f(a,b),b) ),
    inference('HYPERRESOLVE',[status(thm)],[37,clause_3]) ).

cnf(43,plain,
    element(f(a,b),a),
    inference('HYPERRESOLVE',[status(thm)],[element_substitution1,36,40]) ).

cnf(44,plain,
    element(f(a,b),b),
    inference('HYPERRESOLVE',[status(thm)],[element_substitution2,43,36]) ).

cnf(45,plain,
    $false,
    inference('REWRITE',[status(thm)],[inference('UR-RESOLVE',[status(thm)],[clause_4,43,37]),44]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.08/0.14  % Problem  : SET047-5 : TPTP v8.1.0. Released v1.0.0.
% 0.08/0.15  % Command  : run-snark %s %d
% 0.15/0.37  % Computer : n017.cluster.edu
% 0.15/0.37  % Model    : x86_64 x86_64
% 0.15/0.37  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.15/0.37  % Memory   : 8042.1875MB
% 0.15/0.37  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.15/0.37  % CPULimit : 300
% 0.15/0.37  % WCLimit  : 600
% 0.15/0.37  % DateTime : Sun Jul 10 00:03:47 EDT 2022
% 0.15/0.37  % CPUTime  : 
% 0.22/0.51  /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.22/0.52  * 
% 0.22/0.52  * 
% 0.22/0.52  #<PACKAGE "SNARK-USER">
% 0.22/0.52  * 
% 0.22/0.52  SNARK-TPTP-OPTIONS
% 0.22/0.52  * 
% 0.22/0.52  ((AGENDA-LENGTH-LIMIT NIL) (AGENDA-LENGTH-BEFORE-SIMPLIFICATION-LIMIT NIL)
% 0.22/0.52   (USE-HYPERRESOLUTION T) (USE-UR-RESOLUTION T) (USE-PARAMODULATION T)
% 0.22/0.52   (USE-FACTORING :POS)
% 0.22/0.52   (USE-LITERAL-ORDERING-WITH-HYPERRESOLUTION 'LITERAL-ORDERING-P)
% 0.22/0.52   (USE-LITERAL-ORDERING-WITH-PARAMODULATION 'LITERAL-ORDERING-P)
% 0.22/0.52   (ORDERING-FUNCTIONS>CONSTANTS T) (ASSERT-CONTEXT :CURRENT)
% 0.22/0.52   (RUN-TIME-LIMIT 300) (LISTEN-FOR-COMMANDS NIL)
% 0.22/0.52   (USE-CLOSURE-WHEN-SATISFIABLE T) (PRINT-ROWS-WHEN-GIVEN NIL)
% 0.22/0.52   (PRINT-ROWS-WHEN-DERIVED NIL) (PRINT-UNORIENTABLE-ROWS NIL)
% 0.22/0.52   (PRINT-ROW-WFFS-PRETTILY NIL) (PRINT-FINAL-ROWS :TPTP)
% 0.22/0.52   (PRINT-OPTIONS-WHEN-STARTING NIL) (USE-VARIABLE-NAME-SORTS NIL)
% 0.22/0.52   (USE-PURITY-TEST T) (USE-RELEVANCE-TEST T) (DECLARE-TPTP-SYMBOLS1)
% 0.22/0.52   (DECLARE-TPTP-SYMBOLS2))
% 0.22/0.52  * 
% 0.22/0.52  "."
% 0.22/0.52  * 
% 0.22/0.52  ; Begin refute-file /export/starexec/sandbox2/benchmark/theBenchmark.p 2022-07-10T00:03:47
% 0.22/0.52  ; Running SNARK from /davis/home/graph/tptp/Systems/SNARK---20120808r022/Source/snark-system.lisp in SBCL 1.0.12 on n017.cluster.edu at 2022-07-10T00:03:47
% 0.22/0.57  
% 0.22/0.57  
% 0.22/0.57  #||
% 0.22/0.57  % SZS status Unsatisfiable for /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.22/0.57  % SZS output start Refutation
% See solution above
% 0.22/0.57  ||#
% 0.22/0.57  
% 0.22/0.57  ; Summary of computation:
% 0.22/0.57  ;       104 formulas have been input or derived (from 23 formulas).
% 0.22/0.57  ;        45 (43%) were retained.  Of these,
% 0.22/0.57  ;           29 (64%) were simplified or subsumed later,
% 0.22/0.57  ;           16 (36%) are still being kept.
% 0.22/0.57  ; 
% 0.22/0.57  ; Run time in seconds excluding printing time:
% 0.22/0.57  ;     0.002   5%   Read assertion file          (1 call)
% 0.22/0.57  ;     0.000   0%   Assert                       (6 calls)
% 0.22/0.57  ;     0.002   5%   Process new row              (85 calls)
% 0.22/0.57  ;     0.005  11%   Resolution                   (44 calls)
% 0.22/0.57  ;     0.000   0%   Paramodulation               (22 calls)
% 0.22/0.57  ;     0.000   0%   Factoring                    (13 calls)
% 0.22/0.57  ;     0.000   0%   Condensing                   (54 calls)
% 0.22/0.57  ;     0.001   2%   Forward subsumption          (54 calls)
% 0.22/0.57  ;     0.005  11%   Backward subsumption         (38 calls)
% 0.22/0.57  ;     0.001   2%   Clause clause subsumption    (116 calls)
% 0.22/0.57  ;     0.002   5%   Forward simplification       (67 calls)
% 0.22/0.57  ;     0.001   2%   Backward simplification      (45 calls)
% 0.22/0.57  ;     0.000   0%   Ordering                     (269 calls)
% 0.22/0.57  ;     0.000   0%   Sortal reasoning             (32 calls)
% 0.22/0.57  ;     0.000   0%   Purity testing               (1 call)
% 0.22/0.57  ;     0.025  57%   Other
% 0.22/0.57  ;     0.044        Total
% 0.22/0.57  ;     0.046        Real time
% 0.22/0.57  ; 
% 0.22/0.57  ; Term-hash-array has 31 terms in all.
% 0.22/0.57  ; Feature-vector-row-index has 9 entries (19 at peak, 38 added, 29 deleted).
% 0.22/0.57  ; Feature-vector-row-index has 28 nodes (80 at peak, 173 added, 145 deleted).
% 0.22/0.57  ;  Retrieved 85 possibly forward subsuming rows in 54 calls.
% 0.22/0.57  ;  Retrieved 47 possibly backward subsumed rows in 38 calls.
% 0.22/0.57  ; Path-index has 32 entries (33 at peak, 66 added, 34 deleted).
% 0.22/0.57  ; Path-index has 37 nodes (37 at peak, 51 added, 14 deleted).
% 0.22/0.57  ; Trie-index has 32 entries (33 at peak, 66 added, 34 deleted).
% 0.22/0.57  ; Trie-index has 49 nodes (50 at peak, 97 added, 48 deleted).
% 0.22/0.57  ; Retrieved 7 generalization terms in 40 calls.
% 0.22/0.57  ; Retrieved 6 instance terms in 6 calls.
% 0.22/0.57  ; Retrieved 728 unifiable terms in 205 calls.
% 0.22/0.57  ; 
% 0.22/0.57  ; The agenda of rows to process has 4 entries:
% 0.22/0.57  ;     1 with value 21              1 with value 28               2 with value 35
% 0.22/0.57  ; The agenda of rows to give has 5 entries:
% 0.22/0.57  ;     1 with value (4 21)          2 with value (4 31)           2 with value (4 33)
% 0.22/0.57  Evaluation took:
% 0.22/0.57    0.048 seconds of real time
% 0.22/0.57    0.039477 seconds of user run time
% 0.22/0.57    0.007777 seconds of system run time
% 0.22/0.57    0 calls to %EVAL
% 0.22/0.57    0 page faults and
% 0.22/0.57    3,713,120 bytes consed.
% 0.22/0.57  :PROOF-FOUND
% 0.22/0.57  ; End refute-file /export/starexec/sandbox2/benchmark/theBenchmark.p 2022-07-10T00:03:47
% 0.22/0.57  :PROOF-FOUND
% 0.22/0.57  * 
%------------------------------------------------------------------------------