TSTP Solution File: SET008-1 by SNARK---20120808r022

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SNARK---20120808r022
% Problem  : SET008-1 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run-snark %s %d

% Computer : n014.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 05:05:35 EDT 2022

% Result   : Unsatisfiable 0.20s 0.51s
% Output   : Refutation 0.20s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    2
%            Number of leaves      :    6
% Syntax   : Number of clauses     :    9 (   6 unt;   2 nHn;   7 RR)
%            Number of literals    :   15 (   0 equ;   5 neg)
%            Maximal clause size   :    3 (   1 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    4 (   3 usr;   1 prp; 0-3 aty)
%            Number of functors    :    5 (   5 usr;   4 con; 0-3 aty)
%            Number of variables   :   11 (   2 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(intersection_axiom1,axiom,
    ( member(h(X,Y,Z),Z)
    | intersection(X,Y,Z)
    | member(h(X,Y,Z),X) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SET001-2.ax',intersection_axiom1) ).

cnf(intersection_axiom2,axiom,
    ( member(h(X,Y,Z),Z)
    | intersection(X,Y,Z)
    | member(h(X,Y,Z),Y) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SET001-2.ax',intersection_axiom2) ).

cnf(not_member_of_difference,axiom,
    ( ~ member(X,Y)
    | ~ member(X,Z)
    | ~ difference(U,Y,Z) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SET001-3.ax',not_member_of_difference) ).

cnf(b_minus_a,hypothesis,
    difference(b,a,bDa),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',b_minus_a) ).

cnf(a_intersection_bDa,negated_conjecture,
    ~ intersection(a,bDa,aI_bDa),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',a_intersection_bDa) ).

cnf(prove_aI_bDa_is_empty,negated_conjecture,
    ~ member(X,aI_bDa),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_aI_bDa_is_empty) ).

cnf(25,plain,
    member(h(a,bDa,aI_bDa),a),
    inference('UR-RESOLVE',[status(thm)],[intersection_axiom1,prove_aI_bDa_is_empty,a_intersection_bDa]) ).

cnf(28,plain,
    member(h(a,bDa,aI_bDa),bDa),
    inference('UR-RESOLVE',[status(thm)],[intersection_axiom2,prove_aI_bDa_is_empty,a_intersection_bDa]) ).

cnf(43,plain,
    $false,
    inference('REWRITE',[status(thm)],[inference('UR-RESOLVE',[status(thm)],[not_member_of_difference,25,b_minus_a]),28]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.12/0.12  % Problem  : SET008-1 : TPTP v8.1.0. Released v1.0.0.
% 0.12/0.13  % Command  : run-snark %s %d
% 0.13/0.34  % Computer : n014.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 : Sun Jul 10 20:22:20 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 0.20/0.46  /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.20/0.47  * 
% 0.20/0.47  * 
% 0.20/0.47  #<PACKAGE "SNARK-USER">
% 0.20/0.47  * 
% 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 2022-07-10T20:22:20
% 0.20/0.48  ; Running SNARK from /davis/home/graph/tptp/Systems/SNARK---20120808r022/Source/snark-system.lisp in SBCL 1.0.12 on n014.cluster.edu at 2022-07-10T20:22:20
% 0.20/0.51  
% 0.20/0.51  
% 0.20/0.51  #||
% 0.20/0.51  % SZS status Unsatisfiable for /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.20/0.51  % SZS output start Refutation
% See solution above
% 0.20/0.52  ||#
% 0.20/0.52  
% 0.20/0.52  ; Summary of computation:
% 0.20/0.52  ;        94 formulas have been input or derived (from 31 formulas).
% 0.20/0.52  ;        43 (46%) were retained.  Of these,
% 0.20/0.52  ;           43 (100%) are still being kept.
% 0.20/0.52  ; 
% 0.20/0.52  ; Run time in seconds excluding printing time:
% 0.20/0.52  ;     0.006  16%   Read assertion file          (1 call)
% 0.20/0.52  ;     0.001   3%   Assert                       (21 calls)
% 0.20/0.52  ;     0.001   3%   Process new row              (56 calls)
% 0.20/0.52  ;     0.003   8%   Resolution                   (60 calls)
% 0.20/0.52  ;     0.000   0%   Paramodulation               (30 calls)
% 0.20/0.52  ;     0.000   0%   Factoring                    (7 calls)
% 0.20/0.52  ;     0.001   3%   Condensing                   (24 calls)
% 0.20/0.52  ;     0.001   3%   Forward subsumption          (24 calls)
% 0.20/0.52  ;     0.001   3%   Backward subsumption         (24 calls)
% 0.20/0.52  ;     0.000   0%   Clause clause subsumption    (21 calls)
% 0.20/0.52  ;     0.000   0%   Forward simplification       (56 calls)
% 0.20/0.52  ;     0.000   0%   Backward simplification      (43 calls)
% 0.20/0.52  ;     0.002   5%   Ordering                     (19 calls)
% 0.20/0.52  ;     0.000   0%   Sortal reasoning             (32 calls)
% 0.20/0.52  ;     0.000   0%   Purity testing               (1 call)
% 0.20/0.52  ;     0.022  58%   Other
% 0.20/0.52  ;     0.038        Total
% 0.20/0.52  ;     0.039        Real time
% 0.20/0.52  ; 
% 0.20/0.52  ; Term-hash-array has 61 terms in all.
% 0.20/0.52  ; Feature-vector-row-index has 24 entries (24 at peak, 24 added, 0 deleted).
% 0.20/0.52  ; Feature-vector-row-index has 51 nodes (51 at peak, 51 added, 0 deleted).
% 0.20/0.52  ;  Retrieved 9 possibly forward subsuming rows in 24 calls.
% 0.20/0.52  ;  Retrieved 12 possibly backward subsumed rows in 24 calls.
% 0.20/0.52  ; Path-index has 65 entries (65 at peak, 65 added, 0 deleted).
% 0.20/0.52  ; Path-index has 109 nodes (109 at peak, 109 added, 0 deleted).
% 0.20/0.52  ; Trie-index has 65 entries (65 at peak, 65 added, 0 deleted).
% 0.20/0.52  ; Trie-index has 98 nodes (98 at peak, 98 added, 0 deleted).
% 0.20/0.52  ; Retrieved 16 generalization terms in 41 calls.
% 0.20/0.52  ; Retrieved 18 instance terms in 18 calls.
% 0.20/0.52  ; Retrieved 1,843 unifiable terms in 245 calls.
% 0.20/0.52  ; 
% 0.20/0.52  ; The agenda of rows to process has 17 entries:
% 0.20/0.52  ;     1 with value 10              7 with value 18               1 with value 34
% 0.20/0.52  ;     1 with value 17              7 with value 26
% 0.20/0.52  ; The agenda of rows to give has 12 entries:
% 0.20/0.52  ;     1 with value (4 6)           1 with value (4 9)            2 with value (4 13)
% 0.20/0.52  ;     6 with value (4 7)           1 with value (4 10)           1 with value (4 19)
% 0.20/0.52  Evaluation took:
% 0.20/0.52    0.04 seconds of real time
% 0.20/0.52    0.031865 seconds of user run time
% 0.20/0.52    0.008128 seconds of system run time
% 0.20/0.52    0 calls to %EVAL
% 0.20/0.52    0 page faults and
% 0.20/0.52    2,284,576 bytes consed.
% 0.20/0.52  :PROOF-FOUND
% 0.20/0.52  ; End refute-file /export/starexec/sandbox/benchmark/theBenchmark.p 2022-07-10T20:22:20
% 0.20/0.52  :PROOF-FOUND
% 0.20/0.52  * 
%------------------------------------------------------------------------------