TSTP Solution File: GRP022-2 by SNARK---20120808r022

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SNARK---20120808r022
% Problem  : GRP022-2 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run-snark %s %d

% Computer : n032.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 11:35:17 EDT 2022

% Result   : Unsatisfiable 0.15s 0.42s
% Output   : Refutation 0.15s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    3
%            Number of leaves      :    5
% Syntax   : Number of clauses     :    8 (   8 unt;   0 nHn;   2 RR)
%            Number of literals    :    8 (   7 equ;   1 neg)
%            Maximal clause size   :    1 (   1 avg)
%            Maximal term depth    :    3 (   2 avg)
%            Number of predicates  :    2 (   0 usr;   1 prp; 0-2 aty)
%            Number of functors    :    4 (   4 usr;   2 con; 0-2 aty)
%            Number of variables   :    9 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(left_identity,axiom,
    multiply(identity,X) = X,
    file('/export/starexec/sandbox2/benchmark/Axioms/GRP004-0.ax',left_identity) ).

cnf(left_inverse,axiom,
    multiply(inverse(X),X) = identity,
    file('/export/starexec/sandbox2/benchmark/Axioms/GRP004-0.ax',left_inverse) ).

cnf(associativity,axiom,
    multiply(multiply(X,Y),Z) = multiply(X,multiply(Y,Z)),
    file('/export/starexec/sandbox2/benchmark/Axioms/GRP004-0.ax',associativity) ).

cnf(right_identity,axiom,
    multiply(X,identity) = X,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',right_identity) ).

cnf(prove_inverse_of_inverse_is_original,negated_conjecture,
    inverse(inverse(a)) != a,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_inverse_of_inverse_is_original) ).

cnf(8,plain,
    X = multiply(inverse(Y),multiply(Y,X)),
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[associativity,left_inverse,theory(equality)]),left_identity,theory(equality)]) ).

cnf(17,plain,
    X = inverse(inverse(X)),
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[8,left_inverse,theory(equality)]),right_identity,theory(equality)]) ).

cnf(18,plain,
    $false,
    inference('REWRITE',[status(thm)],[prove_inverse_of_inverse_is_original,17,theory(equality)]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.10  % Problem  : GRP022-2 : TPTP v8.1.0. Released v1.0.0.
% 0.03/0.11  % Command  : run-snark %s %d
% 0.11/0.30  % Computer : n032.cluster.edu
% 0.11/0.30  % Model    : x86_64 x86_64
% 0.11/0.30  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.30  % Memory   : 8042.1875MB
% 0.11/0.30  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.11/0.30  % CPULimit : 300
% 0.11/0.30  % WCLimit  : 600
% 0.11/0.30  % DateTime : Tue Jun 14 13:59:43 EDT 2022
% 0.11/0.30  % CPUTime  : 
% 0.15/0.39  /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.15/0.40  * 
% 0.15/0.40  * 
% 0.15/0.40  #<PACKAGE "SNARK-USER">
% 0.15/0.40  * 
% 0.15/0.40  SNARK-TPTP-OPTIONS
% 0.15/0.40  * 
% 0.15/0.40  ((AGENDA-LENGTH-LIMIT NIL) (AGENDA-LENGTH-BEFORE-SIMPLIFICATION-LIMIT NIL)
% 0.15/0.40   (USE-HYPERRESOLUTION T) (USE-UR-RESOLUTION T) (USE-PARAMODULATION T)
% 0.15/0.40   (USE-FACTORING :POS)
% 0.15/0.40   (USE-LITERAL-ORDERING-WITH-HYPERRESOLUTION 'LITERAL-ORDERING-P)
% 0.15/0.40   (USE-LITERAL-ORDERING-WITH-PARAMODULATION 'LITERAL-ORDERING-P)
% 0.15/0.40   (ORDERING-FUNCTIONS>CONSTANTS T) (ASSERT-CONTEXT :CURRENT)
% 0.15/0.40   (RUN-TIME-LIMIT 300) (LISTEN-FOR-COMMANDS NIL)
% 0.15/0.40   (USE-CLOSURE-WHEN-SATISFIABLE T) (PRINT-ROWS-WHEN-GIVEN NIL)
% 0.15/0.40   (PRINT-ROWS-WHEN-DERIVED NIL) (PRINT-UNORIENTABLE-ROWS NIL)
% 0.15/0.40   (PRINT-ROW-WFFS-PRETTILY NIL) (PRINT-FINAL-ROWS :TPTP)
% 0.15/0.40   (PRINT-OPTIONS-WHEN-STARTING NIL) (USE-VARIABLE-NAME-SORTS NIL)
% 0.15/0.40   (USE-PURITY-TEST T) (USE-RELEVANCE-TEST T) (DECLARE-TPTP-SYMBOLS1)
% 0.15/0.40   (DECLARE-TPTP-SYMBOLS2))
% 0.15/0.40  * 
% 0.15/0.40  "."
% 0.15/0.40  * 
% 0.15/0.40  ; Begin refute-file /export/starexec/sandbox2/benchmark/theBenchmark.p 2022-06-14T13:59:43
% 0.15/0.40  ; Running SNARK from /davis/home/graph/tptp/Systems/SNARK---20120808r022/Source/snark-system.lisp in SBCL 1.0.12 on n032.cluster.edu at 2022-06-14T13:59:43
% 0.15/0.41  
% 0.15/0.41  ; Recognized left identity assertion (= (|multiply| |identity| ?X) ?X).
% 0.15/0.41  ; Recognized possible left inverse assertion (= (|multiply| (|inverse| ?X) ?X) |identity|).
% 0.15/0.41  ; Recognized associativity assertion (= (|multiply| (|multiply| ?X ?Y) ?Z) (|multiply| ?X (|multiply| ?Y ?Z))).
% 0.15/0.41  ; Recognized right identity assertion (= (|multiply| ?X |identity|) ?X).
% 0.15/0.42  ; Recognized possible right inverse assertion (= (|multiply| ?X (|inverse| ?X)) |identity|).
% 0.15/0.42  
% 0.15/0.42  #||
% 0.15/0.42  % SZS status Unsatisfiable for /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.15/0.42  % SZS output start Refutation
% See solution above
% 0.15/0.42  ||#
% 0.15/0.42  
% 0.15/0.42  ; Summary of computation:
% 0.15/0.42  ;        49 formulas have been input or derived (from 9 formulas).
% 0.15/0.42  ;        18 (37%) were retained.  Of these,
% 0.15/0.42  ;            1 ( 6%) were simplified or subsumed later,
% 0.15/0.42  ;           17 (94%) are still being kept.
% 0.15/0.42  ; 
% 0.15/0.42  ; Run time in seconds excluding printing time:
% 0.15/0.42  ;     0.001   6%   Read assertion file          (1 call)
% 0.15/0.42  ;     0.001   6%   Assert                       (6 calls)
% 0.15/0.42  ;     0.001   6%   Process new row              (42 calls)
% 0.15/0.42  ;     0.000   0%   Resolution                   (16 calls)
% 0.15/0.42  ;     0.001   6%   Paramodulation               (8 calls)
% 0.15/0.42  ;     0.000   0%   Forward simplification       (42 calls)
% 0.15/0.42  ;     0.000   0%   Backward simplification      (18 calls)
% 0.15/0.42  ;     0.001   6%   Ordering                     (137 calls)
% 0.15/0.42  ;     0.000   0%   Sortal reasoning             (32 calls)
% 0.15/0.42  ;     0.000   0%   Purity testing               (1 call)
% 0.15/0.42  ;     0.013  72%   Other
% 0.15/0.42  ;     0.018        Total
% 0.15/0.42  ;     0.019        Real time
% 0.15/0.42  ; 
% 0.15/0.42  ; Term-hash-array has 46 terms in all.
% 0.15/0.42  ; Feature-vector-row-index has 0 entries (0 at peak, 0 added, 0 deleted).
% 0.15/0.42  ; Feature-vector-row-index has 1 node (1 at peak, 1 added, 0 deleted).
% 0.15/0.42  ; Path-index has 45 entries (48 at peak, 49 added, 4 deleted).
% 0.15/0.42  ; Path-index has 105 nodes (109 at peak, 110 added, 5 deleted).
% 0.15/0.42  ; Trie-index has 45 entries (48 at peak, 49 added, 4 deleted).
% 0.15/0.42  ; Trie-index has 148 nodes (154 at peak, 155 added, 7 deleted).
% 0.15/0.42  ; Retrieved 70 generalization terms in 131 calls.
% 0.15/0.42  ; Retrieved 31 instance terms in 29 calls.
% 0.15/0.42  ; Retrieved 77 unifiable terms in 44 calls.
% 0.15/0.42  ; 
% 0.15/0.42  ; The agenda of rows to process has 6 entries:
% 0.15/0.42  ;     1 with value 14              1 with value 15               4 with value 18
% 0.15/0.42  ; The agenda of rows to give has 9 entries:
% 0.15/0.42  ;     1 with value (4 10)          2 with value (4 13)           5 with value (4 20)
% 0.15/0.42  ;     1 with value (4 12)
% 0.15/0.42  Evaluation took:
% 0.15/0.42    0.019 seconds of real time
% 0.15/0.42    0.017518 seconds of user run time
% 0.15/0.42    0.001896 seconds of system run time
% 0.15/0.42    0 calls to %EVAL
% 0.15/0.42    0 page faults and
% 0.15/0.42    1,776,360 bytes consed.
% 0.15/0.42  :PROOF-FOUND
% 0.15/0.42  ; End refute-file /export/starexec/sandbox2/benchmark/theBenchmark.p 2022-06-14T13:59:43
% 0.15/0.42  :PROOF-FOUND
% 0.15/0.42  * 
%------------------------------------------------------------------------------