TSTP Solution File: GRP452-1 by SNARK---20120808r022

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SNARK---20120808r022
% Problem  : GRP452-1 : TPTP v8.1.0. Released v2.6.0.
% 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 11:38:56 EDT 2022

% Result   : Unsatisfiable 0.45s 0.64s
% Output   : Refutation 0.45s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   14
%            Number of leaves      :    4
% Syntax   : Number of clauses     :   32 (  32 unt;   0 nHn;   3 RR)
%            Number of literals    :   32 (  31 equ;   2 neg)
%            Maximal clause size   :    1 (   1 avg)
%            Maximal term depth    :    8 (   3 avg)
%            Number of predicates  :    2 (   0 usr;   1 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   2 con; 0-2 aty)
%            Number of variables   :   69 (   0 sgn)

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

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

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

cnf(prove_these_axioms_2,negated_conjecture,
    multiply(multiply(inverse(b2),b2),a2) != a2,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_these_axioms_2) ).

cnf(5,plain,
    multiply(X,Y) = divide(X,inverse(Y)),
    inference('REWRITE',[status(thm)],[multiply,inverse,theory(equality)]) ).

cnf(6,plain,
    inverse(inverse(a2)) != a2,
    inference('REWRITE',[status(thm)],[prove_these_axioms_2,inverse,5,theory(equality)]) ).

cnf(7,plain,
    divide(inverse(divide(X,divide(Y,divide(inverse(X),Z)))),Z) = Y,
    inference('REWRITE',[status(thm)],[single_axiom,inverse,theory(equality)]) ).

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

cnf(10,plain,
    divide(inverse(inverse(divide(X,inverse(Y)))),Y) = X,
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[7,inverse,theory(equality)]),8,theory(equality)]) ).

cnf(12,plain,
    divide(inverse(divide(X,Y)),Z) = inverse(divide(U,divide(Y,divide(inverse(U),divide(inverse(X),Z))))),
    inference('PARAMODULATE',[status(thm)],[7,7,theory(equality)]) ).

cnf(14,plain,
    inverse(X) = divide(inverse(inverse(inverse(divide(Y,Y)))),X),
    inference('PARAMODULATE',[status(thm)],[8,8,theory(equality)]) ).

cnf(18,plain,
    divide(inverse(inverse(X)),Y) = inverse(inverse(divide(X,inverse(inverse(Y))))),
    inference('PARAMODULATE',[status(thm)],[10,10,theory(equality)]) ).

cnf(19,plain,
    inverse(inverse(divide(divide(X,inverse(Y)),inverse(inverse(Y))))) = X,
    inference('REWRITE',[status(thm)],[10,18,theory(equality)]) ).

cnf(28,plain,
    inverse(inverse(divide(divide(X,Y),inverse(Y)))) = X,
    inference('PARAMODULATE',[status(thm)],[19,19,theory(equality)]) ).

cnf(29,plain,
    inverse(inverse(inverse(inverse(X)))) = X,
    inference('PARAMODULATE',[status(thm)],[28,inverse,theory(equality)]) ).

cnf(34,plain,
    inverse(inverse(divide(X,inverse(Y)))) = inverse(divide(Z,divide(X,divide(inverse(Z),Y)))),
    inference('PARAMODULATE',[status(thm)],[28,7,theory(equality)]) ).

cnf(35,plain,
    divide(inverse(divide(X,Y)),Z) = inverse(inverse(divide(Y,inverse(divide(inverse(X),Z))))),
    inference('REWRITE',[status(thm)],[12,34,theory(equality)]) ).

cnf(37,plain,
    inverse(inverse(X)) = divide(divide(X,Y),inverse(Y)),
    inference('PARAMODULATE',[status(thm)],[29,28,theory(equality)]) ).

cnf(40,plain,
    inverse(inverse(divide(X,Y))) = divide(inverse(inverse(X)),inverse(inverse(Y))),
    inference('PARAMODULATE',[status(thm)],[37,37,theory(equality)]) ).

cnf(42,plain,
    inverse(inverse(X)) = divide(divide(X,inverse(inverse(inverse(Y)))),Y),
    inference('PARAMODULATE',[status(thm)],[37,29,theory(equality)]) ).

cnf(57,plain,
    inverse(inverse(divide(inverse(inverse(X)),Y))) = divide(X,inverse(inverse(Y))),
    inference('PARAMODULATE',[status(thm)],[29,18,theory(equality)]) ).

cnf(110,plain,
    divide(inverse(divide(X,divide(Y,Y))),Z) = divide(inverse(X),Z),
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[35,inverse,theory(equality)]),29,theory(equality)]) ).

cnf(118,plain,
    divide(inverse(divide(X,inverse(inverse(inverse(divide(Y,Y)))))),Z) = divide(inverse(X),Z),
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[35,14,theory(equality)]),29,theory(equality)]) ).

cnf(133,plain,
    divide(inverse(inverse(X)),inverse(divide(Y,inverse(divide(inverse(Z),U))))) = inverse(inverse(divide(X,inverse(divide(inverse(divide(Z,Y)),U))))),
    inference('PARAMODULATE',[status(thm)],[18,35,theory(equality)]) ).

cnf(143,plain,
    inverse(inverse(X)) = divide(divide(X,inverse(inverse(divide(inverse(divide(Y,Z)),U)))),inverse(divide(Z,inverse(divide(inverse(Y),U))))),
    inference('PARAMODULATE',[status(thm)],[42,35,theory(equality)]) ).

cnf(157,plain,
    inverse(inverse(inverse(divide(X,divide(Y,Y))))) = inverse(inverse(inverse(X))),
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[37,110,theory(equality)]),37,theory(equality)]) ).

cnf(172,plain,
    divide(inverse(inverse(inverse(X))),Y) = divide(inverse(X),Y),
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[110,42,theory(equality)]),118,theory(equality)]) ).

cnf(182,plain,
    inverse(inverse(divide(inverse(X),Y))) = divide(inverse(X),inverse(inverse(Y))),
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[57,110,theory(equality)]),172,157,theory(equality)]) ).

cnf(191,plain,
    inverse(inverse(divide(X,Y))) = inverse(inverse(divide(inverse(inverse(X)),Y))),
    inference('REWRITE',[status(thm)],[40,182,theory(equality)]) ).

cnf(207,plain,
    inverse(inverse(divide(X,Y))) = divide(X,inverse(inverse(Y))),
    inference('REWRITE',[status(thm)],[57,191,theory(equality)]) ).

cnf(208,plain,
    inverse(inverse(X)) = X,
    inference('REWRITE',[status(thm)],[143,29,37,133,207,theory(equality)]) ).

cnf(231,plain,
    $false,
    inference('REWRITE',[status(thm)],[6,208,theory(equality)]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : GRP452-1 : TPTP v8.1.0. Released v2.6.0.
% 0.12/0.13  % Command  : run-snark %s %d
% 0.13/0.34  % Computer : n021.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 : Mon Jun 13 19:32:57 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 0.19/0.46  /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.19/0.47  * 
% 0.19/0.47  * 
% 0.19/0.48  #<PACKAGE "SNARK-USER">
% 0.19/0.48  * 
% 0.19/0.48  SNARK-TPTP-OPTIONS
% 0.19/0.48  * 
% 0.19/0.48  ((AGENDA-LENGTH-LIMIT NIL) (AGENDA-LENGTH-BEFORE-SIMPLIFICATION-LIMIT NIL)
% 0.19/0.48   (USE-HYPERRESOLUTION T) (USE-UR-RESOLUTION T) (USE-PARAMODULATION T)
% 0.19/0.48   (USE-FACTORING :POS)
% 0.19/0.48   (USE-LITERAL-ORDERING-WITH-HYPERRESOLUTION 'LITERAL-ORDERING-P)
% 0.19/0.48   (USE-LITERAL-ORDERING-WITH-PARAMODULATION 'LITERAL-ORDERING-P)
% 0.19/0.48   (ORDERING-FUNCTIONS>CONSTANTS T) (ASSERT-CONTEXT :CURRENT)
% 0.19/0.48   (RUN-TIME-LIMIT 300) (LISTEN-FOR-COMMANDS NIL)
% 0.19/0.48   (USE-CLOSURE-WHEN-SATISFIABLE T) (PRINT-ROWS-WHEN-GIVEN NIL)
% 0.19/0.48   (PRINT-ROWS-WHEN-DERIVED NIL) (PRINT-UNORIENTABLE-ROWS NIL)
% 0.19/0.48   (PRINT-ROW-WFFS-PRETTILY NIL) (PRINT-FINAL-ROWS :TPTP)
% 0.19/0.48   (PRINT-OPTIONS-WHEN-STARTING NIL) (USE-VARIABLE-NAME-SORTS NIL)
% 0.19/0.48   (USE-PURITY-TEST T) (USE-RELEVANCE-TEST T) (DECLARE-TPTP-SYMBOLS1)
% 0.19/0.48   (DECLARE-TPTP-SYMBOLS2))
% 0.19/0.48  * 
% 0.19/0.48  "."
% 0.19/0.48  * 
% 0.19/0.48  ; Begin refute-file /export/starexec/sandbox2/benchmark/theBenchmark.p 2022-06-13T19:32:57
% 0.19/0.48  ; Running SNARK from /davis/home/graph/tptp/Systems/SNARK---20120808r022/Source/snark-system.lisp in SBCL 1.0.12 on n021.cluster.edu at 2022-06-13T19:32:57
% 0.45/0.64  
% 0.45/0.64  
% 0.45/0.64  #||
% 0.45/0.64  % SZS status Unsatisfiable for /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.45/0.64  % SZS output start Refutation
% See solution above
% 0.45/0.64  ||#
% 0.45/0.64  
% 0.45/0.64  ; Summary of computation:
% 0.45/0.64  ;       985 formulas have been input or derived (from 27 formulas).
% 0.45/0.64  ;       231 (23%) were retained.  Of these,
% 0.45/0.64  ;          198 (86%) were simplified or subsumed later,
% 0.45/0.64  ;           33 (14%) are still being kept.
% 0.45/0.64  ; 
% 0.45/0.64  ; Run time in seconds excluding printing time:
% 0.45/0.64  ;     0.001   1%   Read assertion file          (1 call)
% 0.45/0.64  ;     0.001   1%   Assert                       (4 calls)
% 0.45/0.64  ;     0.026  17%   Process new row              (906 calls)
% 0.45/0.64  ;     0.001   1%   Resolution                   (52 calls)
% 0.45/0.64  ;     0.019  12%   Paramodulation               (26 calls)
% 0.45/0.64  ;     0.036  23%   Forward simplification       (872 calls)
% 0.45/0.64  ;     0.022  14%   Backward simplification      (231 calls)
% 0.45/0.64  ;     0.023  15%   Ordering                     (3,227 calls)
% 0.45/0.64  ;     0.000   0%   Sortal reasoning             (32 calls)
% 0.45/0.64  ;     0.000   0%   Purity testing               (1 call)
% 0.45/0.64  ;     0.026  17%   Other
% 0.45/0.64  ;     0.155        Total
% 0.45/0.64  ;     0.159        Real time
% 0.45/0.64  ; 
% 0.45/0.64  ; Term-hash-array has 698 terms in all.
% 0.45/0.64  ; Feature-vector-row-index has 0 entries (0 at peak, 0 added, 0 deleted).
% 0.45/0.64  ; Feature-vector-row-index has 1 node (1 at peak, 1 added, 0 deleted).
% 0.45/0.64  ; Path-index has 133 entries (531 at peak, 809 added, 676 deleted).
% 0.45/0.64  ; Path-index has 1,100 nodes (1,446 at peak, 1,728 added, 628 deleted).
% 0.45/0.64  ; Trie-index has 133 entries (531 at peak, 809 added, 676 deleted).
% 0.45/0.64  ; Trie-index has 494 nodes (2,387 at peak, 3,562 added, 3,068 deleted).
% 0.45/0.64  ; Retrieved 3,029 generalization terms in 7,776 calls.
% 0.45/0.64  ; Retrieved 894 instance terms in 393 calls.
% 0.45/0.64  ; Retrieved 1,104 unifiable terms in 196 calls.
% 0.45/0.64  ; 
% 0.45/0.64  ; The agenda of backward simplifiable rows to process has 56 entries:
% 0.45/0.64  ;    56 with value 0
% 0.45/0.64  ; The agenda of rows to process has 6 entries:
% 0.45/0.64  ;     2 with value 33              2 with value 35               1 with value 36
% 0.45/0.64  ;     1 with value 34
% 0.45/0.64  ; The agenda of rows to give has 26 entries:
% 0.45/0.64  ;     1 with value (4 14)          3 with value (4 23)           1 with value (4 28)
% 0.45/0.64  ;     1 with value (4 15)          1 with value (4 24)           1 with value (4 29)
% 0.45/0.64  ;     1 with value (4 18)          5 with value (4 25)           2 with value (4 30)
% 0.45/0.64  ;     1 with value (4 20)          1 with value (4 26)           3 with value (4 32)
% 0.45/0.64  ;     2 with value (4 22)          2 with value (4 27)           1 with value (4 36)
% 0.45/0.64  Evaluation took:
% 0.45/0.64    0.159 seconds of real time
% 0.45/0.64    0.136412 seconds of user run time
% 0.45/0.64    0.023195 seconds of system run time
% 0.45/0.64    0 calls to %EVAL
% 0.45/0.64    0 page faults and
% 0.45/0.64    10,465,928 bytes consed.
% 0.45/0.64  :PROOF-FOUND
% 0.45/0.64  ; End refute-file /export/starexec/sandbox2/benchmark/theBenchmark.p 2022-06-13T19:32:57
% 0.45/0.64  :PROOF-FOUND
% 0.45/0.64  * 
%------------------------------------------------------------------------------