TSTP Solution File: GRP106-1 by SNARK---20120808r022

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SNARK---20120808r022
% Problem  : GRP106-1 : TPTP v8.1.0. Bugfixed v2.7.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run-snark %s %d

% Computer : n024.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 11:36:10 EDT 2022

% Result   : Unsatisfiable 0.48s 0.64s
% Output   : Refutation 0.48s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   17
%            Number of leaves      :    3
% Syntax   : Number of clauses     :   45 (  41 unt;   0 nHn;   6 RR)
%            Number of literals    :   54 (  53 equ;  14 neg)
%            Maximal clause size   :    4 (   1 avg)
%            Maximal term depth    :   10 (   2 avg)
%            Number of predicates  :    2 (   0 usr;   1 prp; 0-2 aty)
%            Number of functors    :   12 (  12 usr;   9 con; 0-2 aty)
%            Number of variables   :  118 (   0 sgn)

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

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

cnf(prove_these_axioms,negated_conjecture,
    ( multiply(inverse(a1),a1) != multiply(inverse(b1),b1)
    | multiply(multiply(inverse(b2),b2),a2) != a2
    | multiply(multiply(a3,b3),c3) != multiply(a3,multiply(b3,c3))
    | multiply(a4,b4) != multiply(b4,a4) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_these_axioms) ).

cnf(4,plain,
    ( inverse(double_divide(a1,inverse(a1))) != inverse(double_divide(b1,inverse(b1)))
    | inverse(double_divide(a2,inverse(double_divide(b2,inverse(b2))))) != a2
    | inverse(double_divide(c3,inverse(double_divide(b3,a3)))) != inverse(double_divide(inverse(double_divide(c3,b3)),a3))
    | inverse(double_divide(b4,a4)) != inverse(double_divide(a4,b4)) ),
    inference('REWRITE',[status(thm)],[prove_these_axioms,multiply,theory(equality)]) ).

cnf(5,plain,
    inverse(double_divide(double_divide(double_divide(X,Y),inverse(double_divide(Z,Y))),Z)) = X,
    inference('PARAMODULATE',[status(thm)],[single_axiom,single_axiom,theory(equality)]) ).

cnf(6,plain,
    inverse(double_divide(double_divide(X,inverse(double_divide(Y,inverse(double_divide(Z,U))))),inverse(double_divide(X,Z)))) = double_divide(Y,U),
    inference('PARAMODULATE',[status(thm)],[single_axiom,single_axiom,theory(equality)]) ).

cnf(8,plain,
    inverse(double_divide(double_divide(X,Y),inverse(double_divide(X,Z)))) = double_divide(double_divide(Z,U),inverse(double_divide(Y,U))),
    inference('PARAMODULATE',[status(thm)],[single_axiom,5,theory(equality)]) ).

cnf(15,plain,
    double_divide(double_divide(inverse(double_divide(X,Y)),Z),inverse(double_divide(Y,Z))) = X,
    inference('PARAMODULATE',[status(thm)],[single_axiom,8,theory(equality)]) ).

cnf(16,plain,
    double_divide(double_divide(X,Y),inverse(double_divide(Z,Y))) = double_divide(double_divide(X,U),inverse(double_divide(Z,U))),
    inference('PARAMODULATE',[status(thm)],[8,8,theory(equality)]) ).

cnf(17,plain,
    inverse(double_divide(inverse(double_divide(double_divide(X,Y),inverse(double_divide(X,Z)))),Y)) = Z,
    inference('PARAMODULATE',[status(thm)],[5,8,theory(equality)]) ).

cnf(25,plain,
    inverse(double_divide(double_divide(double_divide(X,Y),Z),U)) = double_divide(double_divide(inverse(double_divide(X,inverse(double_divide(U,Y)))),V),inverse(double_divide(Z,V))),
    inference('PARAMODULATE',[status(thm)],[8,single_axiom,theory(equality)]) ).

cnf(44,plain,
    inverse(double_divide(double_divide(double_divide(inverse(double_divide(X,Y)),Z),Z),inverse(X))) = Y,
    inference('PARAMODULATE',[status(thm)],[single_axiom,15,theory(equality)]) ).

cnf(50,plain,
    double_divide(double_divide(X,Y),inverse(double_divide(inverse(double_divide(Z,inverse(double_divide(X,U)))),Y))) = double_divide(Z,U),
    inference('PARAMODULATE',[status(thm)],[15,single_axiom,theory(equality)]) ).

cnf(87,plain,
    inverse(double_divide(inverse(double_divide(double_divide(X,Y),inverse(double_divide(X,Y)))),Z)) = Z,
    inference('PARAMODULATE',[status(thm)],[17,16,theory(equality)]) ).

cnf(93,plain,
    inverse(double_divide(inverse(double_divide(double_divide(inverse(double_divide(double_divide(X,Y),inverse(double_divide(X,Z)))),U),Z)),U)) = Y,
    inference('PARAMODULATE',[status(thm)],[17,17,theory(equality)]) ).

cnf(110,plain,
    double_divide(double_divide(X,inverse(Y)),Z) = double_divide(double_divide(X,U),inverse(double_divide(double_divide(double_divide(inverse(double_divide(Y,Z)),V),V),U))),
    inference('PARAMODULATE',[status(thm)],[16,44,theory(equality)]) ).

cnf(112,plain,
    inverse(double_divide(double_divide(X,double_divide(double_divide(inverse(double_divide(Y,Z)),U),U)),inverse(double_divide(X,V)))) = double_divide(double_divide(V,inverse(Y)),Z),
    inference('PARAMODULATE',[status(thm)],[8,44,theory(equality)]) ).

cnf(122,plain,
    inverse(double_divide(inverse(double_divide(X,inverse(X))),Y)) = Y,
    inference('PARAMODULATE',[status(thm)],[87,15,theory(equality)]) ).

cnf(129,plain,
    inverse(double_divide(double_divide(double_divide(X,Y),Y),inverse(inverse(double_divide(Z,inverse(Z)))))) = X,
    inference('PARAMODULATE',[status(thm)],[44,122,theory(equality)]) ).

cnf(133,plain,
    double_divide(double_divide(X,Y),Y) = double_divide(double_divide(X,Z),Z),
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[16,122,theory(equality)]),122,theory(equality)]) ).

cnf(146,plain,
    inverse(double_divide(double_divide(double_divide(inverse(double_divide(X,Y)),inverse(X)),Z),Z)) = Y,
    inference('PARAMODULATE',[status(thm)],[44,133,theory(equality)]) ).

cnf(151,plain,
    double_divide(X,inverse(double_divide(Y,Z))) = double_divide(double_divide(double_divide(inverse(double_divide(X,Y)),Z),U),U),
    inference('PARAMODULATE',[status(thm)],[133,15,theory(equality)]) ).

cnf(152,plain,
    inverse(double_divide(X,inverse(double_divide(Y,inverse(X))))) = Y,
    inference('REWRITE',[status(thm)],[146,151,theory(equality)]) ).

cnf(156,plain,
    inverse(double_divide(double_divide(double_divide(X,inverse(double_divide(Y,Z))),Z),inverse(double_divide(double_divide(X,U),U)))) = Y,
    inference('PARAMODULATE',[status(thm)],[single_axiom,133,theory(equality)]) ).

cnf(170,plain,
    inverse(double_divide(double_divide(X,inverse(Y)),X)) = Y,
    inference('PARAMODULATE',[status(thm)],[152,152,theory(equality)]) ).

cnf(171,plain,
    inverse(double_divide(X,inverse(X))) = inverse(double_divide(Y,inverse(Y))),
    inference('PARAMODULATE',[status(thm)],[152,122,theory(equality)]) ).

cnf(172,plain,
    ( inverse(double_divide(a2,inverse(double_divide(b2,inverse(b2))))) != a2
    | inverse(double_divide(c3,inverse(double_divide(b3,a3)))) != inverse(double_divide(inverse(double_divide(c3,b3)),a3))
    | inverse(double_divide(b4,a4)) != inverse(double_divide(a4,b4)) ),
    inference('REWRITE',[status(thm)],[4,171,theory(equality)]) ).

cnf(173,plain,
    X = inverse(double_divide(X,inverse(inverse(double_divide(Y,inverse(Y)))))),
    inference('PARAMODULATE',[status(thm)],[122,152,theory(equality)]) ).

cnf(174,plain,
    double_divide(double_divide(X,Y),Y) = X,
    inference('REWRITE',[status(thm)],[129,173,theory(equality)]) ).

cnf(181,plain,
    inverse(double_divide(double_divide(double_divide(X,inverse(double_divide(Y,Z))),Z),inverse(X))) = Y,
    inference('REWRITE',[status(thm)],[156,174,theory(equality)]) ).

cnf(183,plain,
    double_divide(X,inverse(double_divide(Y,Z))) = double_divide(inverse(double_divide(X,Y)),Z),
    inference('REWRITE',[status(thm)],[151,174,theory(equality)]) ).

cnf(188,plain,
    inverse(inverse(double_divide(double_divide(X,Y),X))) = Y,
    inference('REWRITE',[status(thm)],[93,174,25,183,theory(equality)]) ).

cnf(191,plain,
    ( inverse(double_divide(inverse(double_divide(a2,b2)),inverse(b2))) != a2
    | inverse(double_divide(b4,a4)) != inverse(double_divide(a4,b4)) ),
    inference('REWRITE',[status(thm)],[172,183,theory(equality)]) ).

cnf(205,plain,
    double_divide(double_divide(X,inverse(Y)),Z) = double_divide(double_divide(X,U),inverse(double_divide(inverse(double_divide(Y,Z)),U))),
    inference('REWRITE',[status(thm)],[110,174,theory(equality)]) ).

cnf(206,plain,
    double_divide(double_divide(X,inverse(Y)),inverse(double_divide(X,Z))) = double_divide(Y,Z),
    inference('REWRITE',[status(thm)],[50,205,theory(equality)]) ).

cnf(208,plain,
    inverse(double_divide(double_divide(X,inverse(double_divide(Y,Z))),Y)) = double_divide(X,Z),
    inference('REWRITE',[status(thm)],[6,206,theory(equality)]) ).

cnf(212,plain,
    inverse(double_divide(double_divide(X,Y),Z)) = double_divide(double_divide(Z,inverse(X)),Y),
    inference('REWRITE',[status(thm)],[112,206,174,theory(equality)]) ).

cnf(217,plain,
    inverse(inverse(double_divide(double_divide(double_divide(X,Y),X),Z))) = double_divide(Z,Y),
    inference('REWRITE',[status(thm)],[208,212,theory(equality)]) ).

cnf(219,plain,
    inverse(double_divide(inverse(double_divide(X,Y)),inverse(Y))) = X,
    inference('REWRITE',[status(thm)],[181,174,212,theory(equality)]) ).

cnf(220,plain,
    inverse(double_divide(b4,a4)) != inverse(double_divide(a4,b4)),
    inference('REWRITE',[status(thm)],[191,219,theory(equality)]) ).

cnf(225,plain,
    inverse(inverse(X)) = X,
    inference('REWRITE',[status(thm)],[170,174,212,theory(equality)]) ).

cnf(237,plain,
    double_divide(double_divide(double_divide(X,Y),X),Z) = double_divide(Z,Y),
    inference('REWRITE',[status(thm)],[217,225,theory(equality)]) ).

cnf(254,plain,
    double_divide(double_divide(X,Y),X) = Y,
    inference('REWRITE',[status(thm)],[188,225,theory(equality)]) ).

cnf(255,plain,
    double_divide(X,Y) = double_divide(Y,X),
    inference('REWRITE',[status(thm)],[237,254,theory(equality)]) ).

cnf(277,plain,
    $false,
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[220,255,theory(equality)]),theory(equality)]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.04/0.12  % Problem  : GRP106-1 : TPTP v8.1.0. Bugfixed v2.7.0.
% 0.04/0.13  % Command  : run-snark %s %d
% 0.15/0.35  % Computer : n024.cluster.edu
% 0.15/0.35  % Model    : x86_64 x86_64
% 0.15/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.15/0.35  % Memory   : 8042.1875MB
% 0.15/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.15/0.35  % CPULimit : 300
% 0.15/0.35  % WCLimit  : 600
% 0.15/0.35  % DateTime : Tue Jun 14 07:22:18 EDT 2022
% 0.15/0.35  % CPUTime  : 
% 0.21/0.47  /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.21/0.48  * 
% 0.21/0.48  * 
% 0.21/0.49  #<PACKAGE "SNARK-USER">
% 0.21/0.49  * 
% 0.21/0.49  SNARK-TPTP-OPTIONS
% 0.21/0.49  * 
% 0.21/0.49  ((AGENDA-LENGTH-LIMIT NIL) (AGENDA-LENGTH-BEFORE-SIMPLIFICATION-LIMIT NIL)
% 0.21/0.49   (USE-HYPERRESOLUTION T) (USE-UR-RESOLUTION T) (USE-PARAMODULATION T)
% 0.21/0.49   (USE-FACTORING :POS)
% 0.21/0.49   (USE-LITERAL-ORDERING-WITH-HYPERRESOLUTION 'LITERAL-ORDERING-P)
% 0.21/0.49   (USE-LITERAL-ORDERING-WITH-PARAMODULATION 'LITERAL-ORDERING-P)
% 0.21/0.49   (ORDERING-FUNCTIONS>CONSTANTS T) (ASSERT-CONTEXT :CURRENT)
% 0.21/0.49   (RUN-TIME-LIMIT 300) (LISTEN-FOR-COMMANDS NIL)
% 0.21/0.49   (USE-CLOSURE-WHEN-SATISFIABLE T) (PRINT-ROWS-WHEN-GIVEN NIL)
% 0.21/0.49   (PRINT-ROWS-WHEN-DERIVED NIL) (PRINT-UNORIENTABLE-ROWS NIL)
% 0.21/0.49   (PRINT-ROW-WFFS-PRETTILY NIL) (PRINT-FINAL-ROWS :TPTP)
% 0.21/0.49   (PRINT-OPTIONS-WHEN-STARTING NIL) (USE-VARIABLE-NAME-SORTS NIL)
% 0.21/0.49   (USE-PURITY-TEST T) (USE-RELEVANCE-TEST T) (DECLARE-TPTP-SYMBOLS1)
% 0.21/0.49   (DECLARE-TPTP-SYMBOLS2))
% 0.21/0.49  * 
% 0.21/0.49  "."
% 0.21/0.49  * 
% 0.21/0.49  ; Begin refute-file /export/starexec/sandbox/benchmark/theBenchmark.p 2022-06-14T07:22:18
% 0.21/0.49  ; Running SNARK from /davis/home/graph/tptp/Systems/SNARK---20120808r022/Source/snark-system.lisp in SBCL 1.0.12 on n024.cluster.edu at 2022-06-14T07:22:18
% 0.48/0.64  
% 0.48/0.64  
% 0.48/0.64  #||
% 0.48/0.64  % SZS status Unsatisfiable for /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.48/0.64  % SZS output start Refutation
% See solution above
% 0.48/0.66  ||#
% 0.48/0.66  
% 0.48/0.66  ; Summary of computation:
% 0.48/0.66  ;       582 formulas have been input or derived (from 17 formulas).
% 0.48/0.66  ;       277 (48%) were retained.  Of these,
% 0.48/0.66  ;          175 (63%) were simplified or subsumed later,
% 0.48/0.66  ;          102 (37%) are still being kept.
% 0.48/0.66  ; 
% 0.48/0.66  ; Run time in seconds excluding printing time:
% 0.48/0.66  ;     0.001   1%   Read assertion file          (1 call)
% 0.48/0.66  ;     0.001   1%   Assert                       (3 calls)
% 0.48/0.66  ;     0.034  22%   Process new row              (550 calls)
% 0.48/0.66  ;     0.001   1%   Resolution                   (32 calls)
% 0.48/0.66  ;     0.016  10%   Paramodulation               (16 calls)
% 0.48/0.66  ;     0.000   0%   Condensing                   (3 calls)
% 0.48/0.66  ;     0.001   1%   Forward subsumption          (3 calls)
% 0.48/0.66  ;     0.000   0%   Backward subsumption         (3 calls)
% 0.48/0.66  ;     0.033  22%   Forward simplification       (491 calls)
% 0.48/0.66  ;     0.023  15%   Backward simplification      (276 calls)
% 0.48/0.66  ;     0.018  12%   Ordering                     (2,044 calls)
% 0.48/0.66  ;     0.000   0%   Sortal reasoning             (32 calls)
% 0.48/0.66  ;     0.000   0%   Purity testing               (1 call)
% 0.48/0.66  ;     0.025  16%   Other
% 0.48/0.66  ;     0.153        Total
% 0.48/0.66  ;     0.165        Real time
% 0.48/0.66  ; 
% 0.48/0.66  ; Term-hash-array has 1,174 terms in all.
% 0.48/0.66  ; Feature-vector-row-index has 0 entries (1 at peak, 3 added, 3 deleted).
% 0.48/0.66  ; Feature-vector-row-index has 1 node (36 at peak, 85 added, 84 deleted).
% 0.48/0.66  ;  Retrieved 0 possibly forward subsuming rows in 3 calls.
% 0.48/0.66  ;  Retrieved 0 possibly backward subsumed rows in 3 calls.
% 0.48/0.66  ; Path-index has 481 entries (853 at peak, 1,297 added, 816 deleted).
% 0.48/0.66  ; Path-index has 2,108 nodes (2,457 at peak, 2,797 added, 689 deleted).
% 0.48/0.66  ; Trie-index has 481 entries (853 at peak, 1,297 added, 816 deleted).
% 0.48/0.66  ; Trie-index has 2,108 nodes (4,300 at peak, 5,743 added, 3,635 deleted).
% 0.48/0.66  ; Retrieved 1,358 generalization terms in 4,432 calls.
% 0.48/0.66  ; Retrieved 2,123 instance terms in 317 calls.
% 0.48/0.66  ; Retrieved 2,360 unifiable terms in 167 calls.
% 0.48/0.66  ; 
% 0.48/0.66  ; The agenda of rows to process has 31 entries:
% 0.48/0.66  ;     3 with value 14             12 with value 25              12 with value 26
% 0.48/0.66  ;     4 with value 22
% 0.48/0.66  ; The agenda of rows to give has 95 entries:
% 0.48/0.66  ;     1 with value (4 14)          4 with value (4 26)           3 with value (4 33)
% 0.48/0.66  ;     2 with value (4 16)          6 with value (4 27)           3 with value (4 34)
% 0.48/0.66  ;     1 with value (4 20)          5 with value (4 28)           6 with value (4 35)
% 0.48/0.66  ;     1 with value (4 21)          4 with value (4 29)           6 with value (4 36)
% 0.48/0.66  ;    10 with value (4 22)          7 with value (4 30)           1 with value (4 37)
% 0.48/0.66  ;     1 with value (4 23)          8 with value (4 31)           4 with value (4 38)
% 0.48/0.66  ;     7 with value (4 24)          7 with value (4 32)           3 with value (4 39)
% 0.48/0.66  ;     5 with value (4 25)
% 0.48/0.66  Evaluation took:
% 0.48/0.66    0.166 seconds of real time
% 0.48/0.66    0.149884 seconds of user run time
% 0.48/0.66    0.015825 seconds of system run time
% 0.48/0.66    [Run times include 0.007 seconds GC run time.]
% 0.48/0.66    0 calls to %EVAL
% 0.48/0.66    0 page faults and
% 0.48/0.66    13,210,912 bytes consed.
% 0.48/0.66  :PROOF-FOUND
% 0.48/0.66  ; End refute-file /export/starexec/sandbox/benchmark/theBenchmark.p 2022-06-14T07:22:18
% 0.48/0.66  :PROOF-FOUND
% 0.48/0.66  * 
%------------------------------------------------------------------------------