TSTP Solution File: GRP576-1 by SNARK---20120808r022

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SNARK---20120808r022
% Problem  : GRP576-1 : TPTP v8.1.0. Bugfixed v2.7.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run-snark %s %d

% Computer : n015.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 11:39:29 EDT 2022

% Result   : Unsatisfiable 0.35s 0.52s
% Output   : Refutation 0.35s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   16
%            Number of leaves      :    5
% Syntax   : Number of clauses     :   31 (  31 unt;   0 nHn;   5 RR)
%            Number of literals    :   31 (  30 equ;   2 neg)
%            Maximal clause size   :    1 (   1 avg)
%            Maximal term depth    :    9 (   2 avg)
%            Number of predicates  :    2 (   0 usr;   1 prp; 0-2 aty)
%            Number of functors    :    6 (   6 usr;   3 con; 0-2 aty)
%            Number of variables   :   49 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(single_axiom,axiom,
    double_divide(double_divide(X,double_divide(double_divide(Y,double_divide(Z,X)),double_divide(Z,identity))),double_divide(identity,identity)) = Y,
    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_4,negated_conjecture,
    multiply(a,b) != multiply(b,a),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_these_axioms_4) ).

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

cnf(7,plain,
    inverse(double_divide(b,a)) != inverse(double_divide(a,b)),
    inference('REWRITE',[status(thm)],[prove_these_axioms_4,6,theory(equality)]) ).

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

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

cnf(11,plain,
    double_divide(double_divide(inverse(identity),double_divide(double_divide(X,Y),inverse(double_divide(Z,double_divide(double_divide(Y,double_divide(U,Z)),inverse(U)))))),inverse(identity)) = X,
    inference('PARAMODULATE',[status(thm)],[8,8,theory(equality)]) ).

cnf(12,plain,
    double_divide(inverse(inverse(inverse(X))),inverse(identity)) = X,
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[9,identity,theory(equality)]),inverse,theory(equality)]) ).

cnf(14,plain,
    double_divide(double_divide(inverse(identity),X),inverse(identity)) = inverse(inverse(X)),
    inference('PARAMODULATE',[status(thm)],[9,12,theory(equality)]) ).

cnf(16,plain,
    inverse(inverse(double_divide(double_divide(X,Y),inverse(double_divide(Z,double_divide(double_divide(Y,double_divide(U,Z)),inverse(U))))))) = X,
    inference('REWRITE',[status(thm)],[11,14,theory(equality)]) ).

cnf(20,plain,
    identity = inverse(inverse(inverse(inverse(identity)))),
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[14,identity,theory(equality)]),identity,theory(equality)]) ).

cnf(24,plain,
    identity = inverse(identity),
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[12,20,theory(equality)]),identity,theory(equality)]) ).

cnf(25,plain,
    inverse(double_divide(X,double_divide(double_divide(Y,double_divide(Z,X)),inverse(Z)))) = Y,
    inference('REWRITE',[status(thm)],[8,inverse,24,theory(equality)]) ).

cnf(26,plain,
    inverse(inverse(double_divide(double_divide(X,Y),Y))) = X,
    inference('REWRITE',[status(thm)],[16,25,theory(equality)]) ).

cnf(27,plain,
    inverse(double_divide(inverse(X),double_divide(inverse(Y),inverse(X)))) = Y,
    inference('REWRITE',[status(thm)],[9,inverse,24,theory(equality)]) ).

cnf(29,plain,
    inverse(inverse(inverse(inverse(X)))) = X,
    inference('REWRITE',[status(thm)],[12,inverse,24,theory(equality)]) ).

cnf(30,plain,
    inverse(double_divide(identity,X)) = inverse(inverse(X)),
    inference('REWRITE',[status(thm)],[14,inverse,24,theory(equality)]) ).

cnf(39,plain,
    inverse(X) = double_divide(identity,X),
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[29,30,theory(equality)]),29,theory(equality)]) ).

cnf(41,plain,
    inverse(inverse(X)) = double_divide(double_divide(X,Y),Y),
    inference('PARAMODULATE',[status(thm)],[29,26,theory(equality)]) ).

cnf(42,plain,
    identity = double_divide(inverse(X),X),
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[41,39,theory(equality)]),24,theory(equality)]) ).

cnf(45,plain,
    inverse(inverse(inverse(X))) = inverse(X),
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[41,42,theory(equality)]),39,theory(equality)]) ).

cnf(46,plain,
    inverse(inverse(X)) = X,
    inference('REWRITE',[status(thm)],[29,45,theory(equality)]) ).

cnf(48,plain,
    X = double_divide(double_divide(X,Y),Y),
    inference('REWRITE',[status(thm)],[41,46,theory(equality)]) ).

cnf(50,plain,
    inverse(double_divide(X,double_divide(inverse(Y),X))) = Y,
    inference('PARAMODULATE',[status(thm)],[27,27,theory(equality)]) ).

cnf(51,plain,
    inverse(X) = double_divide(Y,double_divide(inverse(X),Y)),
    inference('PARAMODULATE',[status(thm)],[46,50,theory(equality)]) ).

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

cnf(53,plain,
    double_divide(X,Y) = double_divide(Y,X),
    inference('PARAMODULATE',[status(thm)],[52,48,theory(equality)]) ).

cnf(56,plain,
    $false,
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[7,53,theory(equality)]),theory(equality)]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : GRP576-1 : TPTP v8.1.0. Bugfixed v2.7.0.
% 0.07/0.13  % Command  : run-snark %s %d
% 0.12/0.34  % Computer : n015.cluster.edu
% 0.12/0.34  % Model    : x86_64 x86_64
% 0.12/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.34  % Memory   : 8042.1875MB
% 0.12/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.34  % CPULimit : 300
% 0.12/0.34  % WCLimit  : 600
% 0.12/0.34  % DateTime : Mon Jun 13 13:36:08 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 0.19/0.45  /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.19/0.46  * 
% 0.19/0.47  * 
% 0.19/0.47  #<PACKAGE "SNARK-USER">
% 0.19/0.47  * 
% 0.19/0.47  SNARK-TPTP-OPTIONS
% 0.19/0.47  * 
% 0.19/0.47  ((AGENDA-LENGTH-LIMIT NIL) (AGENDA-LENGTH-BEFORE-SIMPLIFICATION-LIMIT NIL)
% 0.19/0.47   (USE-HYPERRESOLUTION T) (USE-UR-RESOLUTION T) (USE-PARAMODULATION T)
% 0.19/0.47   (USE-FACTORING :POS)
% 0.19/0.47   (USE-LITERAL-ORDERING-WITH-HYPERRESOLUTION 'LITERAL-ORDERING-P)
% 0.19/0.47   (USE-LITERAL-ORDERING-WITH-PARAMODULATION 'LITERAL-ORDERING-P)
% 0.19/0.47   (ORDERING-FUNCTIONS>CONSTANTS T) (ASSERT-CONTEXT :CURRENT)
% 0.19/0.47   (RUN-TIME-LIMIT 300) (LISTEN-FOR-COMMANDS NIL)
% 0.19/0.47   (USE-CLOSURE-WHEN-SATISFIABLE T) (PRINT-ROWS-WHEN-GIVEN NIL)
% 0.19/0.47   (PRINT-ROWS-WHEN-DERIVED NIL) (PRINT-UNORIENTABLE-ROWS NIL)
% 0.19/0.47   (PRINT-ROW-WFFS-PRETTILY NIL) (PRINT-FINAL-ROWS :TPTP)
% 0.19/0.47   (PRINT-OPTIONS-WHEN-STARTING NIL) (USE-VARIABLE-NAME-SORTS NIL)
% 0.19/0.47   (USE-PURITY-TEST T) (USE-RELEVANCE-TEST T) (DECLARE-TPTP-SYMBOLS1)
% 0.19/0.47   (DECLARE-TPTP-SYMBOLS2))
% 0.19/0.47  * 
% 0.19/0.47  "."
% 0.19/0.47  * 
% 0.19/0.47  ; Begin refute-file /export/starexec/sandbox2/benchmark/theBenchmark.p 2022-06-13T13:36:08
% 0.19/0.47  ; Running SNARK from /davis/home/graph/tptp/Systems/SNARK---20120808r022/Source/snark-system.lisp in SBCL 1.0.12 on n015.cluster.edu at 2022-06-13T13:36:08
% 0.19/0.48  
% 0.35/0.52  ; Recognized possible right inverse assertion (= |identity| (|double_divide| ?X (|inverse| ?X))).
% 0.35/0.52  
% 0.35/0.52  #||
% 0.35/0.52  % SZS status Unsatisfiable for /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.35/0.52  % SZS output start Refutation
% See solution above
% 0.35/0.52  ||#
% 0.35/0.52  
% 0.35/0.52  ; Summary of computation:
% 0.35/0.52  ;       192 formulas have been input or derived (from 25 formulas).
% 0.35/0.52  ;        56 (29%) were retained.  Of these,
% 0.35/0.52  ;           39 (70%) were simplified or subsumed later,
% 0.35/0.52  ;           17 (30%) are still being kept.
% 0.35/0.52  ; 
% 0.35/0.52  ; Run time in seconds excluding printing time:
% 0.35/0.52  ;     0.001   2%   Read assertion file          (1 call)
% 0.35/0.52  ;     0.001   2%   Assert                       (5 calls)
% 0.35/0.52  ;     0.005  11%   Process new row              (189 calls)
% 0.35/0.52  ;     0.003   7%   Resolution                   (48 calls)
% 0.35/0.52  ;     0.002   5%   Paramodulation               (24 calls)
% 0.35/0.52  ;     0.000   0%   Forward simplification       (151 calls)
% 0.35/0.52  ;     0.004   9%   Backward simplification      (56 calls)
% 0.35/0.52  ;     0.005  11%   Ordering                     (331 calls)
% 0.35/0.52  ;     0.000   0%   Sortal reasoning             (32 calls)
% 0.35/0.52  ;     0.000   0%   Purity testing               (1 call)
% 0.35/0.52  ;     0.023  52%   Other
% 0.35/0.52  ;     0.044        Total
% 0.35/0.52  ;     0.049        Real time
% 0.35/0.52  ; 
% 0.35/0.52  ; Term-hash-array has 206 terms in all.
% 0.35/0.52  ; Feature-vector-row-index has 0 entries (0 at peak, 0 added, 0 deleted).
% 0.35/0.52  ; Feature-vector-row-index has 1 node (1 at peak, 1 added, 0 deleted).
% 0.35/0.52  ; Path-index has 52 entries (97 at peak, 248 added, 196 deleted).
% 0.35/0.52  ; Path-index has 463 nodes (484 at peak, 783 added, 320 deleted).
% 0.35/0.52  ; Trie-index has 52 entries (97 at peak, 248 added, 196 deleted).
% 0.35/0.52  ; Trie-index has 157 nodes (417 at peak, 997 added, 840 deleted).
% 0.35/0.52  ; Retrieved 177 generalization terms in 589 calls.
% 0.35/0.52  ; Retrieved 102 instance terms in 55 calls.
% 0.35/0.52  ; Retrieved 306 unifiable terms in 158 calls.
% 0.35/0.52  ; 
% 0.35/0.52  ; The agenda of rows to process has 3 entries:
% 0.35/0.52  ;     3 with value 18
% 0.35/0.52  ; The agenda of rows to give has 5 entries:
% 0.35/0.52  ;     2 with value (4 15)          2 with value (4 21)           1 with value (4 22)
% 0.35/0.52  Evaluation took:
% 0.35/0.52    0.049 seconds of real time
% 0.35/0.52    0.039121 seconds of user run time
% 0.35/0.52    0.010017 seconds of system run time
% 0.35/0.52    0 calls to %EVAL
% 0.35/0.52    0 page faults and
% 0.35/0.52    4,610,336 bytes consed.
% 0.35/0.52  :PROOF-FOUND
% 0.35/0.52  ; End refute-file /export/starexec/sandbox2/benchmark/theBenchmark.p 2022-06-13T13:36:08
% 0.35/0.52  :PROOF-FOUND
% 0.35/0.52  * 
%------------------------------------------------------------------------------