TSTP Solution File: GRP031-2 by SNARK---20120808r022

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SNARK---20120808r022
% Problem  : GRP031-2 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run-snark %s %d

% Computer : n022.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 11:35:22 EDT 2022

% Result   : Unsatisfiable 0.38s 0.54s
% Output   : Refutation 0.38s
% 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(associativity1,axiom,
    ( ~ product(X,Y,Z)
    | ~ product(Y,U,V)
    | ~ product(Z,U,W)
    | product(X,V,W) ),
    file('/export/starexec/sandbox2/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/sandbox2/benchmark/theBenchmark.p',associativity2) ).

cnf(right_inverse,hypothesis,
    product(X,inverse(X),identity),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',right_inverse) ).

cnf(right_identity,hypothesis,
    product(X,identity,X),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',right_identity) ).

cnf(prove_a_has_a_left_inverse,negated_conjecture,
    ~ product(X,a,identity),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_a_has_a_left_inverse) ).

cnf(9,plain,
    ~ product(identity,inverse(X),a),
    inference('UR-RESOLVE',[status(thm)],[associativity1,right_identity,right_inverse,prove_a_has_a_left_inverse]) ).

cnf(57,plain,
    $false,
    inference('UR-RESOLVE',[status(thm)],[associativity2,9,right_inverse,right_inverse,right_identity]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.13  % Problem  : GRP031-2 : TPTP v8.1.0. Released v1.0.0.
% 0.07/0.14  % Command  : run-snark %s %d
% 0.14/0.36  % Computer : n022.cluster.edu
% 0.14/0.36  % Model    : x86_64 x86_64
% 0.14/0.36  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.36  % Memory   : 8042.1875MB
% 0.14/0.36  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.36  % CPULimit : 300
% 0.14/0.36  % WCLimit  : 600
% 0.14/0.36  % DateTime : Tue Jun 14 12:21:18 EDT 2022
% 0.14/0.36  % CPUTime  : 
% 0.22/0.49  /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.22/0.50  * 
% 0.22/0.50  * 
% 0.22/0.50  #<PACKAGE "SNARK-USER">
% 0.22/0.50  * 
% 0.22/0.50  SNARK-TPTP-OPTIONS
% 0.22/0.50  * 
% 0.22/0.50  ((AGENDA-LENGTH-LIMIT NIL) (AGENDA-LENGTH-BEFORE-SIMPLIFICATION-LIMIT NIL)
% 0.22/0.50   (USE-HYPERRESOLUTION T) (USE-UR-RESOLUTION T) (USE-PARAMODULATION T)
% 0.22/0.50   (USE-FACTORING :POS)
% 0.22/0.50   (USE-LITERAL-ORDERING-WITH-HYPERRESOLUTION 'LITERAL-ORDERING-P)
% 0.22/0.50   (USE-LITERAL-ORDERING-WITH-PARAMODULATION 'LITERAL-ORDERING-P)
% 0.22/0.50   (ORDERING-FUNCTIONS>CONSTANTS T) (ASSERT-CONTEXT :CURRENT)
% 0.22/0.50   (RUN-TIME-LIMIT 300) (LISTEN-FOR-COMMANDS NIL)
% 0.22/0.50   (USE-CLOSURE-WHEN-SATISFIABLE T) (PRINT-ROWS-WHEN-GIVEN NIL)
% 0.22/0.50   (PRINT-ROWS-WHEN-DERIVED NIL) (PRINT-UNORIENTABLE-ROWS NIL)
% 0.22/0.50   (PRINT-ROW-WFFS-PRETTILY NIL) (PRINT-FINAL-ROWS :TPTP)
% 0.22/0.50   (PRINT-OPTIONS-WHEN-STARTING NIL) (USE-VARIABLE-NAME-SORTS NIL)
% 0.22/0.50   (USE-PURITY-TEST T) (USE-RELEVANCE-TEST T) (DECLARE-TPTP-SYMBOLS1)
% 0.22/0.50   (DECLARE-TPTP-SYMBOLS2))
% 0.22/0.50  * 
% 0.22/0.50  "."
% 0.22/0.50  * 
% 0.22/0.51  ; Begin refute-file /export/starexec/sandbox2/benchmark/theBenchmark.p 2022-06-14T12:21:18
% 0.22/0.51  ; Running SNARK from /davis/home/graph/tptp/Systems/SNARK---20120808r022/Source/snark-system.lisp in SBCL 1.0.12 on n022.cluster.edu at 2022-06-14T12:21:18
% 0.35/0.52  
% 0.35/0.52  ; Recognized relation function assertion (|product| ?X ?Y (|multiply| ?X ?Y)).
% 0.35/0.52  ; Recognized possible associativity assertion (OR (NOT (|product| ?X ?Y ?Z)) (NOT (|product| ?Y ?U ?V)) (NOT (|product| ?Z ?U ?W)) (|product| ?X ?V ?W)).
% 0.35/0.52  ; Recognized possible associativity assertion (OR (NOT (|product| ?X ?Y ?Z)) (NOT (|product| ?Y ?U ?V)) (NOT (|product| ?X ?V ?W)) (|product| ?Z ?U ?W)).
% 0.35/0.52  ; Recognized possible right inverse assertion (|product| ?X (|inverse| ?X) |identity|).
% 0.35/0.52  WARNING:
% 0.35/0.52     |equalish| is a 2-ary relation that occurs only positively; disabling rows that contain it.
% 0.38/0.54  ; Recognized possible right identity assertion (|product| ?X |identity| ?X).
% 0.38/0.54  
% 0.38/0.54  #||
% 0.38/0.54  % SZS status Unsatisfiable for /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.38/0.54  % SZS output start Refutation
% See solution above
% 0.38/0.54  ||#
% 0.38/0.54  
% 0.38/0.54  ; Summary of computation:
% 0.38/0.54  ;       142 formulas have been input or derived (from 11 formulas).
% 0.38/0.54  ;        57 (40%) were retained.  Of these,
% 0.38/0.54  ;            4 ( 7%) were simplified or subsumed later,
% 0.38/0.54  ;           53 (93%) are still being kept.
% 0.38/0.54  ; 
% 0.38/0.54  ; Run time in seconds excluding printing time:
% 0.38/0.54  ;     0.002   5%   Read assertion file          (1 call)
% 0.38/0.54  ;     0.001   3%   Assert                       (7 calls)
% 0.38/0.54  ;     0.005  14%   Process new row              (127 calls)
% 0.38/0.54  ;     0.003   8%   Resolution                   (20 calls)
% 0.38/0.54  ;     0.000   0%   Paramodulation               (10 calls)
% 0.38/0.54  ;     0.000   0%   Condensing                   (2 calls)
% 0.38/0.54  ;     0.000   0%   Forward subsumption          (2 calls)
% 0.38/0.54  ;     0.000   0%   Backward subsumption         (2 calls)
% 0.38/0.54  ;     0.000   0%   Clause clause subsumption    (2 calls)
% 0.38/0.54  ;     0.002   5%   Forward simplification       (114 calls)
% 0.38/0.54  ;     0.001   3%   Backward simplification      (57 calls)
% 0.38/0.54  ;     0.000   0%   Sortal reasoning             (32 calls)
% 0.38/0.54  ;     0.000   0%   Purity testing               (1 call)
% 0.38/0.54  ;     0.023  62%   Other
% 0.38/0.54  ;     0.037        Total
% 0.38/0.54  ;     0.039        Real time
% 0.38/0.54  ; 
% 0.38/0.54  ; Term-hash-array has 91 terms in all.
% 0.38/0.54  ; Feature-vector-row-index has 2 entries (2 at peak, 2 added, 0 deleted).
% 0.38/0.54  ; Feature-vector-row-index has 3 nodes (3 at peak, 3 added, 0 deleted).
% 0.38/0.54  ;  Retrieved 1 possibly forward subsuming row in 2 calls.
% 0.38/0.54  ;  Retrieved 1 possibly backward subsumed row in 2 calls.
% 0.38/0.54  ; Path-index has 88 entries (88 at peak, 93 added, 5 deleted).
% 0.38/0.54  ; Path-index has 131 nodes (131 at peak, 133 added, 2 deleted).
% 0.38/0.54  ; Trie-index has 88 entries (88 at peak, 93 added, 5 deleted).
% 0.38/0.54  ; Trie-index has 233 nodes (233 at peak, 245 added, 12 deleted).
% 0.38/0.54  ; Retrieved 105 generalization terms in 118 calls.
% 0.38/0.54  ; Retrieved 63 instance terms in 54 calls.
% 0.38/0.54  ; Retrieved 1,961 unifiable terms in 311 calls.
% 0.38/0.54  ; 
% 0.38/0.54  ; The agenda of rows to process has 8 entries:
% 0.38/0.54  ;     3 with value 7               1 with value 10               1 with value 13
% 0.38/0.54  ;     1 with value 9               2 with value 12
% 0.38/0.54  ; The agenda of rows to give has 43 entries:
% 0.38/0.54  ;     3 with value (4 8)          10 with value (4 11)           4 with value (4 13)
% 0.38/0.54  ;     9 with value (4 9)           7 with value (4 12)           4 with value (4 14)
% 0.38/0.54  ;     6 with value (4 10)
% 0.38/0.54  Evaluation took:
% 0.38/0.54    0.039 seconds of real time
% 0.38/0.54    0.033565 seconds of user run time
% 0.38/0.54    0.005134 seconds of system run time
% 0.38/0.54    0 calls to %EVAL
% 0.38/0.54    0 page faults and
% 0.38/0.54    2,063,048 bytes consed.
% 0.38/0.54  :PROOF-FOUND
% 0.38/0.54  ; End refute-file /export/starexec/sandbox2/benchmark/theBenchmark.p 2022-06-14T12:21:18
% 0.38/0.54  :PROOF-FOUND
% 0.38/0.54  * 
%------------------------------------------------------------------------------