TSTP Solution File: GRP076-1 by SNARK---20120808r022

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SNARK---20120808r022
% Problem  : GRP076-1 : TPTP v8.1.0. Bugfixed v2.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run-snark %s %d

% Computer : n018.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 11:36:02 EDT 2022

% Result   : Unsatisfiable 0.13s 0.48s
% Output   : Refutation 0.13s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   18
%            Number of leaves      :    5
% Syntax   : Number of clauses     :   44 (  41 unt;   0 nHn;   8 RR)
%            Number of literals    :   49 (  48 equ;  11 neg)
%            Maximal clause size   :    3 (   1 avg)
%            Maximal term depth    :   10 (   2 avg)
%            Number of predicates  :    2 (   0 usr;   1 prp; 0-2 aty)
%            Number of functors    :    9 (   9 usr;   6 con; 0-2 aty)
%            Number of variables   :   72 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(single_axiom,axiom,
    double_divide(double_divide(X,double_divide(double_divide(double_divide(X,Y),Z),double_divide(Y,identity))),double_divide(identity,identity)) = Z,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',single_axiom) ).

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

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

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

cnf(prove_these_axioms,negated_conjecture,
    ( multiply(inverse(a1),a1) != identity
    | multiply(identity,a2) != a2
    | multiply(multiply(a3,b3),c3) != multiply(a3,multiply(b3,c3)) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_these_axioms) ).

cnf(6,plain,
    multiply(X,Y) = inverse(double_divide(Y,X)),
    inference('REWRITE',[status(thm)],[multiply,inverse,theory(equality)]) ).

cnf(7,plain,
    ( inverse(identity) != identity
    | inverse(inverse(a2)) != a2
    | inverse(double_divide(c3,inverse(double_divide(b3,a3)))) != inverse(double_divide(inverse(double_divide(c3,b3)),a3)) ),
    inference('REWRITE',[status(thm)],[prove_these_axioms,inverse,identity,6,theory(equality)]) ).

cnf(8,plain,
    double_divide(double_divide(X,double_divide(double_divide(double_divide(X,Y),Z),inverse(Y))),inverse(identity)) = Z,
    inference('REWRITE',[status(thm)],[single_axiom,inverse,theory(equality)]) ).

cnf(9,plain,
    double_divide(double_divide(X,double_divide(identity,inverse(Y))),inverse(identity)) = inverse(double_divide(X,Y)),
    inference('PARAMODULATE',[status(thm)],[8,identity,theory(equality)]) ).

cnf(10,plain,
    double_divide(double_divide(X,double_divide(double_divide(inverse(X),Y),inverse(identity))),inverse(identity)) = Y,
    inference('PARAMODULATE',[status(thm)],[8,inverse,theory(equality)]) ).

cnf(16,plain,
    double_divide(inverse(X),inverse(identity)) = inverse(inverse(X)),
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[9,identity,theory(equality)]),inverse,theory(equality)]) ).

cnf(17,plain,
    double_divide(double_divide(X,inverse(double_divide(inverse(X),Y))),inverse(identity)) = double_divide(identity,inverse(Y)),
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[8,9,theory(equality)]),inverse,theory(equality)]) ).

cnf(21,plain,
    double_divide(double_divide(X,inverse(inverse(inverse(X)))),inverse(identity)) = identity,
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[10,inverse,theory(equality)]),16,theory(equality)]) ).

cnf(23,plain,
    inverse(identity) = identity,
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[10,16,theory(equality)]),21,16,theory(equality)]) ).

cnf(24,plain,
    ( inverse(inverse(a2)) != a2
    | inverse(double_divide(c3,inverse(double_divide(b3,a3)))) != inverse(double_divide(inverse(double_divide(c3,b3)),a3)) ),
    inference('REWRITE',[status(thm)],[7,23,theory(equality)]) ).

cnf(25,plain,
    inverse(double_divide(X,double_divide(double_divide(double_divide(X,Y),Z),inverse(Y)))) = Z,
    inference('REWRITE',[status(thm)],[8,inverse,23,theory(equality)]) ).

cnf(27,plain,
    inverse(double_divide(X,inverse(double_divide(inverse(X),Y)))) = Y,
    inference('REWRITE',[status(thm)],[10,inverse,23,theory(equality)]) ).

cnf(33,plain,
    X = double_divide(identity,inverse(X)),
    inference('REWRITE',[status(thm)],[17,27,inverse,23,theory(equality)]) ).

cnf(34,plain,
    inverse(double_divide(X,inverse(inverse(inverse(X))))) = identity,
    inference('REWRITE',[status(thm)],[21,inverse,23,theory(equality)]) ).

cnf(37,plain,
    inverse(double_divide(X,double_divide(double_divide(double_divide(X,double_divide(Y,double_divide(double_divide(double_divide(Y,Z),U),inverse(Z)))),V),U))) = V,
    inference('PARAMODULATE',[status(thm)],[25,25,theory(equality)]) ).

cnf(38,plain,
    inverse(double_divide(identity,double_divide(double_divide(X,Y),inverse(inverse(X))))) = Y,
    inference('PARAMODULATE',[status(thm)],[25,33,theory(equality)]) ).

cnf(39,plain,
    double_divide(X,double_divide(double_divide(double_divide(X,Y),Z),inverse(Y))) = double_divide(identity,Z),
    inference('PARAMODULATE',[status(thm)],[33,25,theory(equality)]) ).

cnf(40,plain,
    inverse(double_divide(X,double_divide(double_divide(double_divide(X,double_divide(identity,Y)),Z),Y))) = Z,
    inference('REWRITE',[status(thm)],[37,39,theory(equality)]) ).

cnf(41,plain,
    inverse(double_divide(identity,X)) = X,
    inference('REWRITE',[status(thm)],[25,39,theory(equality)]) ).

cnf(42,plain,
    double_divide(double_divide(X,Y),inverse(inverse(X))) = Y,
    inference('REWRITE',[status(thm)],[38,41,theory(equality)]) ).

cnf(46,plain,
    double_divide(X,inverse(inverse(double_divide(Y,X)))) = inverse(inverse(Y)),
    inference('PARAMODULATE',[status(thm)],[42,42,theory(equality)]) ).

cnf(47,plain,
    double_divide(X,inverse(double_divide(inverse(X),Y))) = double_divide(identity,Y),
    inference('PARAMODULATE',[status(thm)],[33,27,theory(equality)]) ).

cnf(48,plain,
    double_divide(X,inverse(inverse(inverse(X)))) = identity,
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[33,34,theory(equality)]),23,inverse,theory(equality)]) ).

cnf(50,plain,
    inverse(X) = inverse(inverse(inverse(X))),
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[42,48,theory(equality)]),33,theory(equality)]) ).

cnf(51,plain,
    X = inverse(inverse(X)),
    inference('PARAMODULATE',[status(thm)],[50,41,theory(equality)]) ).

cnf(52,plain,
    double_divide(X,double_divide(Y,X)) = Y,
    inference('REWRITE',[status(thm)],[46,51,theory(equality)]) ).

cnf(53,plain,
    double_divide(double_divide(X,Y),X) = Y,
    inference('REWRITE',[status(thm)],[42,51,theory(equality)]) ).

cnf(54,plain,
    inverse(double_divide(c3,inverse(double_divide(b3,a3)))) != inverse(double_divide(inverse(double_divide(c3,b3)),a3)),
    inference('REWRITE',[status(thm)],[24,51,theory(equality)]) ).

cnf(55,plain,
    inverse(X) = double_divide(identity,X),
    inference('PARAMODULATE',[status(thm)],[33,51,theory(equality)]) ).

cnf(59,plain,
    inverse(double_divide(X,double_divide(double_divide(double_divide(X,inverse(Y)),Z),Y))) = Z,
    inference('REWRITE',[status(thm)],[40,55,theory(equality)]) ).

cnf(60,plain,
    double_divide(X,inverse(double_divide(inverse(X),Y))) = inverse(Y),
    inference('REWRITE',[status(thm)],[47,55,theory(equality)]) ).

cnf(65,plain,
    double_divide(inverse(X),Y) = inverse(double_divide(inverse(Y),X)),
    inference('PARAMODULATE',[status(thm)],[53,60,theory(equality)]) ).

cnf(66,plain,
    inverse(double_divide(c3,inverse(double_divide(b3,a3)))) != double_divide(inverse(a3),double_divide(c3,b3)),
    inference('REWRITE',[status(thm)],[54,65,theory(equality)]) ).

cnf(67,plain,
    double_divide(X,inverse(Y)) = inverse(double_divide(Y,inverse(X))),
    inference('PARAMODULATE',[status(thm)],[60,52,theory(equality)]) ).

cnf(69,plain,
    double_divide(double_divide(b3,a3),inverse(c3)) != double_divide(inverse(a3),double_divide(c3,b3)),
    inference('REWRITE',[status(thm)],[66,67,theory(equality)]) ).

cnf(70,plain,
    double_divide(inverse(X),inverse(Y)) = inverse(double_divide(Y,X)),
    inference('PARAMODULATE',[status(thm)],[65,51,theory(equality)]) ).

cnf(89,plain,
    inverse(double_divide(X,double_divide(Y,Z))) = double_divide(Y,double_divide(X,inverse(Z))),
    inference('PARAMODULATE',[status(thm)],[59,52,theory(equality)]) ).

cnf(136,plain,
    inverse(double_divide(X,inverse(double_divide(Y,Z)))) = double_divide(inverse(Z),double_divide(X,Y)),
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[89,70,theory(equality)]),51,theory(equality)]) ).

cnf(137,plain,
    $false,
    inference('REWRITE',[status(thm)],[69,51,67,136,theory(equality)]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.09  % Problem  : GRP076-1 : TPTP v8.1.0. Bugfixed v2.3.0.
% 0.00/0.09  % Command  : run-snark %s %d
% 0.09/0.29  % Computer : n018.cluster.edu
% 0.09/0.29  % Model    : x86_64 x86_64
% 0.09/0.29  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.09/0.29  % Memory   : 8042.1875MB
% 0.09/0.29  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.09/0.29  % CPULimit : 300
% 0.09/0.29  % WCLimit  : 600
% 0.09/0.29  % DateTime : Tue Jun 14 02:19:13 EDT 2022
% 0.09/0.29  % CPUTime  : 
% 0.13/0.38  /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.13/0.38  * 
% 0.13/0.38  * 
% 0.13/0.39  #<PACKAGE "SNARK-USER">
% 0.13/0.39  * 
% 0.13/0.39  SNARK-TPTP-OPTIONS
% 0.13/0.39  * 
% 0.13/0.39  ((AGENDA-LENGTH-LIMIT NIL) (AGENDA-LENGTH-BEFORE-SIMPLIFICATION-LIMIT NIL)
% 0.13/0.39   (USE-HYPERRESOLUTION T) (USE-UR-RESOLUTION T) (USE-PARAMODULATION T)
% 0.13/0.39   (USE-FACTORING :POS)
% 0.13/0.39   (USE-LITERAL-ORDERING-WITH-HYPERRESOLUTION 'LITERAL-ORDERING-P)
% 0.13/0.39   (USE-LITERAL-ORDERING-WITH-PARAMODULATION 'LITERAL-ORDERING-P)
% 0.13/0.39   (ORDERING-FUNCTIONS>CONSTANTS T) (ASSERT-CONTEXT :CURRENT)
% 0.13/0.39   (RUN-TIME-LIMIT 300) (LISTEN-FOR-COMMANDS NIL)
% 0.13/0.39   (USE-CLOSURE-WHEN-SATISFIABLE T) (PRINT-ROWS-WHEN-GIVEN NIL)
% 0.13/0.39   (PRINT-ROWS-WHEN-DERIVED NIL) (PRINT-UNORIENTABLE-ROWS NIL)
% 0.13/0.39   (PRINT-ROW-WFFS-PRETTILY NIL) (PRINT-FINAL-ROWS :TPTP)
% 0.13/0.39   (PRINT-OPTIONS-WHEN-STARTING NIL) (USE-VARIABLE-NAME-SORTS NIL)
% 0.13/0.39   (USE-PURITY-TEST T) (USE-RELEVANCE-TEST T) (DECLARE-TPTP-SYMBOLS1)
% 0.13/0.39   (DECLARE-TPTP-SYMBOLS2))
% 0.13/0.39  * 
% 0.13/0.39  "."
% 0.13/0.39  * 
% 0.13/0.39  ; Begin refute-file /export/starexec/sandbox2/benchmark/theBenchmark.p 2022-06-14T02:19:13
% 0.13/0.39  ; Running SNARK from /davis/home/graph/tptp/Systems/SNARK---20120808r022/Source/snark-system.lisp in SBCL 1.0.12 on n018.cluster.edu at 2022-06-14T02:19:13
% 0.13/0.40  
% 0.13/0.48  ; Recognized possible right inverse assertion (= |identity| (|double_divide| ?X (|inverse| ?X))).
% 0.13/0.48  
% 0.13/0.48  #||
% 0.13/0.48  % SZS status Unsatisfiable for /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.13/0.48  % SZS output start Refutation
% See solution above
% 0.13/0.48  ||#
% 0.13/0.48  
% 0.13/0.48  ; Summary of computation:
% 0.13/0.48  ;       531 formulas have been input or derived (from 38 formulas).
% 0.13/0.48  ;       137 (26%) were retained.  Of these,
% 0.13/0.48  ;           69 (50%) were simplified or subsumed later,
% 0.13/0.48  ;           68 (50%) are still being kept.
% 0.13/0.48  ; 
% 0.13/0.48  ; Run time in seconds excluding printing time:
% 0.13/0.48  ;     0.002   2%   Read assertion file          (1 call)
% 0.13/0.48  ;     0.000   0%   Assert                       (5 calls)
% 0.13/0.48  ;     0.026  29%   Process new row              (503 calls)
% 0.13/0.48  ;     0.000   0%   Resolution                   (74 calls)
% 0.13/0.48  ;     0.008   9%   Paramodulation               (37 calls)
% 0.13/0.49  ;     0.000   0%   Condensing                   (3 calls)
% 0.13/0.49  ;     0.000   0%   Forward subsumption          (3 calls)
% 0.13/0.49  ;     0.000   0%   Backward subsumption         (3 calls)
% 0.13/0.49  ;     0.008   9%   Forward simplification       (434 calls)
% 0.13/0.49  ;     0.011  12%   Backward simplification      (137 calls)
% 0.13/0.49  ;     0.016  18%   Ordering                     (2,279 calls)
% 0.13/0.49  ;     0.000   0%   Sortal reasoning             (32 calls)
% 0.13/0.49  ;     0.000   0%   Purity testing               (1 call)
% 0.13/0.49  ;     0.020  22%   Other
% 0.13/0.49  ;     0.091        Total
% 0.13/0.49  ;     0.096        Real time
% 0.13/0.49  ; 
% 0.13/0.49  ; Term-hash-array has 454 terms in all.
% 0.13/0.49  ; Feature-vector-row-index has 0 entries (1 at peak, 3 added, 3 deleted).
% 0.13/0.49  ; Feature-vector-row-index has 1 node (26 at peak, 69 added, 68 deleted).
% 0.13/0.49  ;  Retrieved 0 possibly forward subsuming rows in 3 calls.
% 0.13/0.49  ;  Retrieved 0 possibly backward subsumed rows in 3 calls.
% 0.13/0.49  ; Path-index has 252 entries (262 at peak, 565 added, 313 deleted).
% 0.13/0.49  ; Path-index has 705 nodes (723 at peak, 1,258 added, 553 deleted).
% 0.13/0.49  ; Trie-index has 252 entries (262 at peak, 565 added, 313 deleted).
% 0.13/0.49  ; Trie-index has 997 nodes (1,031 at peak, 2,488 added, 1,491 deleted).
% 0.13/0.49  ; Retrieved 2,251 generalization terms in 2,622 calls.
% 0.13/0.49  ; Retrieved 572 instance terms in 213 calls.
% 0.13/0.49  ; Retrieved 980 unifiable terms in 294 calls.
% 0.13/0.49  ; 
% 0.13/0.49  ; The agenda of rows to process has 24 entries:
% 0.13/0.49  ;     2 with value 28              7 with value 30               2 with value 32
% 0.13/0.49  ;     2 with value 29              8 with value 31               3 with value 33
% 0.13/0.49  ; The agenda of rows to give has 53 entries:
% 0.13/0.49  ;     4 with value (4 23)          4 with value (4 27)           1 with value (4 31)
% 0.13/0.49  ;     3 with value (4 24)          4 with value (4 28)           1 with value (4 32)
% 0.13/0.49  ;    13 with value (4 25)          2 with value (4 29)           1 with value (4 33)
% 0.13/0.49  ;    12 with value (4 26)          8 with value (4 30)
% 0.13/0.49  Evaluation took:
% 0.13/0.49    0.096 seconds of real time
% 0.13/0.49    0.079659 seconds of user run time
% 0.13/0.49    0.01583 seconds of system run time
% 0.13/0.49    0 calls to %EVAL
% 0.13/0.49    0 page faults and
% 0.13/0.49    8,402,192 bytes consed.
% 0.13/0.49  :PROOF-FOUND
% 0.13/0.49  ; End refute-file /export/starexec/sandbox2/benchmark/theBenchmark.p 2022-06-14T02:19:13
% 0.13/0.49  :PROOF-FOUND
% 0.13/0.49  * 
%------------------------------------------------------------------------------