TSTP Solution File: GRP004-1 by SNARK---20120808r022

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SNARK---20120808r022
% Problem  : GRP004-1 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run-snark %s %d

% Computer : n021.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 : Sat Jul 16 11:35:10 EDT 2022

% Result   : Unsatisfiable 0.18s 0.47s
% Output   : Refutation 0.18s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    2
%            Number of leaves      :    5
% Syntax   : Number of clauses     :    7 (   5 unt;   0 nHn;   5 RR)
%            Number of literals    :   13 (   0 equ;   8 neg)
%            Maximal clause size   :    4 (   1 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    2 (   1 usr;   1 prp; 0-3 aty)
%            Number of functors    :    3 (   3 usr;   2 con; 0-1 aty)
%            Number of variables   :   16 (   2 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(left_inverse,axiom,
    product(inverse(X),X,identity),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',left_inverse) ).

cnf(left_identity,axiom,
    product(identity,X,X),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',left_identity) ).

cnf(associativity1,axiom,
    ( ~ product(X,Y,Z)
    | ~ product(Y,U,V)
    | ~ product(Z,U,W)
    | product(X,V,W) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',associativity1) ).

cnf(associativity2,axiom,
    ( ~ product(X,Y,Z)
    | ~ product(Y,U,V)
    | ~ product(X,V,W)
    | product(Z,U,W) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',associativity2) ).

cnf(prove_there_is_a_right_inverse,negated_conjecture,
    ~ product(a,X,identity),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_there_is_a_right_inverse) ).

cnf(13,plain,
    ~ product(inverse(X),identity,a),
    inference('UR-RESOLVE',[status(thm)],[associativity2,left_identity,left_inverse,prove_there_is_a_right_inverse]) ).

cnf(30,plain,
    $false,
    inference('UR-RESOLVE',[status(thm)],[associativity1,13,left_inverse,left_inverse,left_identity]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.11  % Problem  : GRP004-1 : TPTP v8.1.0. Released v1.0.0.
% 0.03/0.12  % Command  : run-snark %s %d
% 0.11/0.33  % Computer : n021.cluster.edu
% 0.11/0.33  % Model    : x86_64 x86_64
% 0.11/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.33  % Memory   : 8042.1875MB
% 0.11/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.11/0.33  % CPULimit : 300
% 0.11/0.33  % WCLimit  : 600
% 0.11/0.33  % DateTime : Mon Jun 13 09:18:57 EDT 2022
% 0.11/0.33  % CPUTime  : 
% 0.18/0.44  /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.18/0.45  * 
% 0.18/0.45  * 
% 0.18/0.45  #<PACKAGE "SNARK-USER">
% 0.18/0.45  * 
% 0.18/0.45  SNARK-TPTP-OPTIONS
% 0.18/0.45  * 
% 0.18/0.45  ((AGENDA-LENGTH-LIMIT NIL) (AGENDA-LENGTH-BEFORE-SIMPLIFICATION-LIMIT NIL)
% 0.18/0.45   (USE-HYPERRESOLUTION T) (USE-UR-RESOLUTION T) (USE-PARAMODULATION T)
% 0.18/0.45   (USE-FACTORING :POS)
% 0.18/0.45   (USE-LITERAL-ORDERING-WITH-HYPERRESOLUTION 'LITERAL-ORDERING-P)
% 0.18/0.45   (USE-LITERAL-ORDERING-WITH-PARAMODULATION 'LITERAL-ORDERING-P)
% 0.18/0.45   (ORDERING-FUNCTIONS>CONSTANTS T) (ASSERT-CONTEXT :CURRENT)
% 0.18/0.45   (RUN-TIME-LIMIT 300) (LISTEN-FOR-COMMANDS NIL)
% 0.18/0.45   (USE-CLOSURE-WHEN-SATISFIABLE T) (PRINT-ROWS-WHEN-GIVEN NIL)
% 0.18/0.45   (PRINT-ROWS-WHEN-DERIVED NIL) (PRINT-UNORIENTABLE-ROWS NIL)
% 0.18/0.45   (PRINT-ROW-WFFS-PRETTILY NIL) (PRINT-FINAL-ROWS :TPTP)
% 0.18/0.45   (PRINT-OPTIONS-WHEN-STARTING NIL) (USE-VARIABLE-NAME-SORTS NIL)
% 0.18/0.45   (USE-PURITY-TEST T) (USE-RELEVANCE-TEST T) (DECLARE-TPTP-SYMBOLS1)
% 0.18/0.45   (DECLARE-TPTP-SYMBOLS2))
% 0.18/0.45  * 
% 0.18/0.45  "."
% 0.18/0.45  * 
% 0.18/0.45  ; Begin refute-file /export/starexec/sandbox/benchmark/theBenchmark.p 2022-06-13T09:18:57
% 0.18/0.45  ; Running SNARK from /davis/home/graph/tptp/Systems/SNARK---20120808r022/Source/snark-system.lisp in SBCL 1.0.12 on n021.cluster.edu at 2022-06-13T09:18:57
% 0.18/0.46  
% 0.18/0.46  ; Recognized possible left inverse assertion (|product| (|inverse| ?X) ?X |identity|).
% 0.18/0.46  ; Recognized possible left identity assertion (|product| |identity| ?X ?X).
% 0.18/0.46  ; Recognized possible associativity assertion (OR (NOT (|product| ?X ?Y ?Z)) (NOT (|product| ?Y ?U ?V)) (NOT (|product| ?Z ?U ?W)) (|product| ?X ?V ?W)).
% 0.18/0.47  ; Recognized possible associativity assertion (OR (NOT (|product| ?X ?Y ?Z)) (NOT (|product| ?Y ?U ?V)) (NOT (|product| ?X ?V ?W)) (|product| ?Z ?U ?W)).
% 0.18/0.47  
% 0.18/0.47  #||
% 0.18/0.47  % SZS status Unsatisfiable for /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.18/0.47  % SZS output start Refutation
% See solution above
% 0.18/0.47  ||#
% 0.18/0.47  
% 0.18/0.47  ; Summary of computation:
% 0.18/0.47  ;       165 formulas have been input or derived (from 13 formulas).
% 0.18/0.47  ;        30 (18%) were retained.  Of these,
% 0.18/0.47  ;            1 ( 3%) were simplified or subsumed later,
% 0.18/0.47  ;           29 (97%) are still being kept.
% 0.18/0.47  ; 
% 0.18/0.47  ; Run time in seconds:
% 0.18/0.47  ;     0.001   5%   Read assertion file          (1 call)
% 0.18/0.47  ;     0.000   0%   Assert                       (5 calls)
% 0.18/0.47  ;     0.002  10%   Process new row              (126 calls)
% 0.18/0.47  ;     0.003  14%   Resolution                   (24 calls)
% 0.18/0.47  ;     0.000   0%   Paramodulation               (12 calls)
% 0.18/0.47  ;     0.001   5%   Condensing                   (2 calls)
% 0.18/0.47  ;     0.000   0%   Forward subsumption          (2 calls)
% 0.18/0.47  ;     0.000   0%   Backward subsumption         (2 calls)
% 0.18/0.47  ;     0.000   0%   Clause clause subsumption    (2 calls)
% 0.18/0.47  ;     0.001   5%   Forward simplification       (116 calls)
% 0.18/0.47  ;     0.000   0%   Backward simplification      (30 calls)
% 0.18/0.47  ;     0.000   0%   Sortal reasoning             (32 calls)
% 0.18/0.47  ;     0.000   0%   Purity testing               (1 call)
% 0.18/0.47  ;     0.013  62%   Other
% 0.18/0.47  ;     0.021        Total
% 0.18/0.47  ;     0.021        Real time
% 0.18/0.47  ; 
% 0.18/0.47  ; Term-hash-array has 36 terms in all.
% 0.18/0.47  ; Feature-vector-row-index has 2 entries (2 at peak, 2 added, 0 deleted).
% 0.18/0.47  ; Feature-vector-row-index has 3 nodes (3 at peak, 3 added, 0 deleted).
% 0.18/0.47  ;  Retrieved 1 possibly forward subsuming row in 2 calls.
% 0.18/0.47  ;  Retrieved 1 possibly backward subsumed row in 2 calls.
% 0.18/0.47  ; Path-index has 37 entries (37 at peak, 38 added, 1 deleted).
% 0.18/0.47  ; Path-index has 40 nodes (40 at peak, 40 added, 0 deleted).
% 0.18/0.47  ; Trie-index has 37 entries (37 at peak, 38 added, 1 deleted).
% 0.18/0.47  ; Trie-index has 87 nodes (87 at peak, 89 added, 2 deleted).
% 0.18/0.47  ; Retrieved 113 generalization terms in 120 calls.
% 0.18/0.47  ; Retrieved 32 instance terms in 27 calls.
% 0.18/0.47  ; Retrieved 1,808 unifiable terms in 375 calls.
% 0.18/0.47  ; 
% 0.18/0.47  ; The agenda of rows to process has 13 entries:
% 0.18/0.47  ;     6 with value 7               1 with value 10               1 with value 11
% 0.18/0.47  ;     5 with value 9
% 0.18/0.47  ; The agenda of rows to give has 17 entries:
% 0.18/0.47  ;     1 with value (4 8)           5 with value (4 10)           2 with value (4 12)
% 0.18/0.47  ;     8 with value (4 9)           1 with value (4 11)
% 0.18/0.47  Evaluation took:
% 0.18/0.47    0.022 seconds of real time
% 0.18/0.47    0.018802 seconds of user run time
% 0.18/0.47    0.002848 seconds of system run time
% 0.18/0.47    0 calls to %EVAL
% 0.18/0.47    0 page faults and
% 0.18/0.47    1,911,824 bytes consed.
% 0.18/0.47  :PROOF-FOUND
% 0.18/0.47  ; End refute-file /export/starexec/sandbox/benchmark/theBenchmark.p 2022-06-13T09:18:57
% 0.18/0.47  :PROOF-FOUND
% 0.18/0.47  * 
%------------------------------------------------------------------------------