TSTP Solution File: GRP485-1 by SNARK---20120808r022

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SNARK---20120808r022
% Problem  : GRP485-1 : TPTP v8.1.0. Released v2.6.0.
% 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 11:39:06 EDT 2022

% Result   : Unsatisfiable 0.19s 0.51s
% Output   : Refutation 0.19s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   13
%            Number of leaves      :    5
% Syntax   : Number of clauses     :   26 (  26 unt;   0 nHn;   4 RR)
%            Number of literals    :   26 (  25 equ;   2 neg)
%            Maximal clause size   :    1 (   1 avg)
%            Maximal term depth    :    6 (   2 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   :   38 (   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/sandbox/benchmark/theBenchmark.p',single_axiom) ).

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

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

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

cnf(prove_these_axioms_2,negated_conjecture,
    multiply(identity,a2) != a2,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_these_axioms_2) ).

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

cnf(7,plain,
    inverse(inverse(a2)) != a2,
    inference('REWRITE',[status(thm)],[prove_these_axioms_2,inverse,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,
    identity = inverse(identity),
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[10,16,theory(equality)]),21,16,theory(equality)]) ).

cnf(24,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(26,plain,
    inverse(double_divide(X,inverse(double_divide(inverse(X),Y)))) = Y,
    inference('REWRITE',[status(thm)],[10,inverse,23,theory(equality)]) ).

cnf(32,plain,
    X = double_divide(identity,inverse(X)),
    inference('REWRITE',[status(thm)],[17,26,inverse,23,theory(equality)]) ).

cnf(33,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(identity,double_divide(double_divide(X,Y),inverse(inverse(X))))) = Y,
    inference('PARAMODULATE',[status(thm)],[24,32,theory(equality)]) ).

cnf(38,plain,
    double_divide(X,double_divide(double_divide(double_divide(X,Y),Z),inverse(Y))) = double_divide(identity,Z),
    inference('PARAMODULATE',[status(thm)],[32,24,theory(equality)]) ).

cnf(40,plain,
    inverse(double_divide(identity,X)) = X,
    inference('REWRITE',[status(thm)],[24,38,theory(equality)]) ).

cnf(41,plain,
    double_divide(double_divide(X,Y),inverse(inverse(X))) = Y,
    inference('REWRITE',[status(thm)],[37,40,theory(equality)]) ).

cnf(47,plain,
    double_divide(X,inverse(inverse(inverse(X)))) = identity,
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[32,33,theory(equality)]),23,inverse,theory(equality)]) ).

cnf(49,plain,
    inverse(X) = inverse(inverse(inverse(X))),
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[41,47,theory(equality)]),32,theory(equality)]) ).

cnf(50,plain,
    X = inverse(inverse(X)),
    inference('PARAMODULATE',[status(thm)],[49,40,theory(equality)]) ).

cnf(53,plain,
    $false,
    inference('REWRITE',[status(thm)],[7,50,theory(equality)]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.12  % Problem  : GRP485-1 : TPTP v8.1.0. Released v2.6.0.
% 0.06/0.13  % Command  : run-snark %s %d
% 0.12/0.33  % Computer : n024.cluster.edu
% 0.12/0.33  % Model    : x86_64 x86_64
% 0.12/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.33  % Memory   : 8042.1875MB
% 0.12/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.33  % CPULimit : 300
% 0.12/0.33  % WCLimit  : 600
% 0.12/0.33  % DateTime : Mon Jun 13 22:48:18 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 0.19/0.45  /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.19/0.46  * 
% 0.19/0.46  * 
% 0.19/0.46  #<PACKAGE "SNARK-USER">
% 0.19/0.46  * 
% 0.19/0.46  SNARK-TPTP-OPTIONS
% 0.19/0.46  * 
% 0.19/0.46  ((AGENDA-LENGTH-LIMIT NIL) (AGENDA-LENGTH-BEFORE-SIMPLIFICATION-LIMIT NIL)
% 0.19/0.46   (USE-HYPERRESOLUTION T) (USE-UR-RESOLUTION T) (USE-PARAMODULATION T)
% 0.19/0.46   (USE-FACTORING :POS)
% 0.19/0.46   (USE-LITERAL-ORDERING-WITH-HYPERRESOLUTION 'LITERAL-ORDERING-P)
% 0.19/0.46   (USE-LITERAL-ORDERING-WITH-PARAMODULATION 'LITERAL-ORDERING-P)
% 0.19/0.46   (ORDERING-FUNCTIONS>CONSTANTS T) (ASSERT-CONTEXT :CURRENT)
% 0.19/0.46   (RUN-TIME-LIMIT 300) (LISTEN-FOR-COMMANDS NIL)
% 0.19/0.46   (USE-CLOSURE-WHEN-SATISFIABLE T) (PRINT-ROWS-WHEN-GIVEN NIL)
% 0.19/0.46   (PRINT-ROWS-WHEN-DERIVED NIL) (PRINT-UNORIENTABLE-ROWS NIL)
% 0.19/0.46   (PRINT-ROW-WFFS-PRETTILY NIL) (PRINT-FINAL-ROWS :TPTP)
% 0.19/0.46   (PRINT-OPTIONS-WHEN-STARTING NIL) (USE-VARIABLE-NAME-SORTS NIL)
% 0.19/0.46   (USE-PURITY-TEST T) (USE-RELEVANCE-TEST T) (DECLARE-TPTP-SYMBOLS1)
% 0.19/0.46   (DECLARE-TPTP-SYMBOLS2))
% 0.19/0.46  * 
% 0.19/0.46  "."
% 0.19/0.46  * 
% 0.19/0.47  ; Begin refute-file /export/starexec/sandbox/benchmark/theBenchmark.p 2022-06-13T22:48:18
% 0.19/0.47  ; Running SNARK from /davis/home/graph/tptp/Systems/SNARK---20120808r022/Source/snark-system.lisp in SBCL 1.0.12 on n024.cluster.edu at 2022-06-13T22:48:18
% 0.19/0.48  
% 0.19/0.51  ; Recognized possible right inverse assertion (= |identity| (|double_divide| ?X (|inverse| ?X))).
% 0.19/0.51  
% 0.19/0.51  #||
% 0.19/0.51  % SZS status Unsatisfiable for /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.19/0.51  % SZS output start Refutation
% See solution above
% 0.19/0.51  ||#
% 0.19/0.51  
% 0.19/0.51  ; Summary of computation:
% 0.19/0.51  ;       139 formulas have been input or derived (from 19 formulas).
% 0.19/0.51  ;        53 (38%) were retained.  Of these,
% 0.19/0.51  ;           34 (64%) were simplified or subsumed later,
% 0.19/0.51  ;           19 (36%) are still being kept.
% 0.19/0.51  ; 
% 0.19/0.51  ; Run time in seconds excluding printing time:
% 0.19/0.51  ;     0.002   5%   Read assertion file          (1 call)
% 0.19/0.51  ;     0.000   0%   Assert                       (5 calls)
% 0.19/0.51  ;     0.004  10%   Process new row              (132 calls)
% 0.19/0.51  ;     0.000   0%   Resolution                   (36 calls)
% 0.19/0.51  ;     0.003   7%   Paramodulation               (18 calls)
% 0.19/0.51  ;     0.007  17%   Forward simplification       (121 calls)
% 0.19/0.51  ;     0.003   7%   Backward simplification      (53 calls)
% 0.19/0.51  ;     0.001   2%   Ordering                     (250 calls)
% 0.19/0.51  ;     0.000   0%   Sortal reasoning             (32 calls)
% 0.19/0.51  ;     0.000   0%   Purity testing               (1 call)
% 0.19/0.51  ;     0.021  51%   Other
% 0.19/0.51  ;     0.041        Total
% 0.19/0.51  ;     0.044        Real time
% 0.19/0.51  ; 
% 0.19/0.51  ; Term-hash-array has 171 terms in all.
% 0.19/0.51  ; Feature-vector-row-index has 0 entries (0 at peak, 0 added, 0 deleted).
% 0.19/0.51  ; Feature-vector-row-index has 1 node (1 at peak, 1 added, 0 deleted).
% 0.19/0.51  ; Path-index has 68 entries (90 at peak, 211 added, 143 deleted).
% 0.19/0.51  ; Path-index has 505 nodes (539 at peak, 768 added, 263 deleted).
% 0.19/0.51  ; Trie-index has 68 entries (90 at peak, 211 added, 143 deleted).
% 0.19/0.51  ; Trie-index has 278 nodes (481 at peak, 1,048 added, 770 deleted).
% 0.19/0.51  ; Retrieved 204 generalization terms in 557 calls.
% 0.19/0.51  ; Retrieved 83 instance terms in 52 calls.
% 0.19/0.51  ; Retrieved 245 unifiable terms in 125 calls.
% 0.19/0.51  ; 
% 0.19/0.51  ; The agenda of rows to process has 6 entries:
% 0.19/0.51  ;     1 with value 15              1 with value 17               1 with value 21
% 0.19/0.51  ;     2 with value 16              1 with value 18
% 0.19/0.51  ; The agenda of rows to give has 11 entries:
% 0.19/0.51  ;     2 with value (4 13)          1 with value (4 18)           2 with value (4 22)
% 0.19/0.51  ;     1 with value (4 14)          2 with value (4 19)           1 with value (4 25)
% 0.19/0.51  ;     1 with value (4 17)          1 with value (4 20)
% 0.19/0.51  Evaluation took:
% 0.19/0.51    0.045 seconds of real time
% 0.19/0.51    0.040823 seconds of user run time
% 0.19/0.51    0.004247 seconds of system run time
% 0.19/0.51    0 calls to %EVAL
% 0.19/0.51    0 page faults and
% 0.19/0.51    4,058,056 bytes consed.
% 0.19/0.51  :PROOF-FOUND
% 0.19/0.51  ; End refute-file /export/starexec/sandbox/benchmark/theBenchmark.p 2022-06-13T22:48:18
% 0.19/0.51  :PROOF-FOUND
% 0.19/0.51  * 
%------------------------------------------------------------------------------