TSTP Solution File: GRP094-1 by SNARK---20120808r022

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SNARK---20120808r022
% Problem  : GRP094-1 : TPTP v8.1.0. Bugfixed v2.7.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run-snark %s %d

% Computer : n003.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 11:36:07 EDT 2022

% Result   : Unsatisfiable 0.20s 0.54s
% Output   : Refutation 0.38s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   11
%            Number of leaves      :    5
% Syntax   : Number of clauses     :   34 (  30 unt;   0 nHn;   9 RR)
%            Number of literals    :   41 (  40 equ;  14 neg)
%            Maximal clause size   :    4 (   1 avg)
%            Maximal term depth    :    5 (   2 avg)
%            Number of predicates  :    2 (   0 usr;   1 prp; 0-2 aty)
%            Number of functors    :   13 (  13 usr;  10 con; 0-2 aty)
%            Number of variables   :   53 (   0 sgn)

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

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

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

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

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

cnf(7,plain,
    ( inverse(inverse(a2)) != a2
    | divide(divide(a3,inverse(b3)),inverse(c3)) != divide(a3,inverse(divide(b3,inverse(c3))))
    | divide(a4,inverse(b4)) != divide(b4,inverse(a4)) ),
    inference('REWRITE',[status(thm)],[prove_these_axioms,inverse,identity,6,theory(equality)]) ).

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

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

cnf(10,plain,
    inverse(divide(divide(X,Y),X)) = Y,
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[8,identity,theory(equality)]),inverse,9,theory(equality)]) ).

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

cnf(12,plain,
    divide(inverse(inverse(X)),divide(divide(X,Y),identity)) = Y,
    inference('PARAMODULATE',[status(thm)],[8,inverse,theory(equality)]) ).

cnf(13,plain,
    divide(inverse(divide(X,identity)),divide(inverse(Y),X)) = Y,
    inference('PARAMODULATE',[status(thm)],[8,inverse,theory(equality)]) ).

cnf(14,plain,
    divide(X,identity) = X,
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[8,identity,theory(equality)]),10,theory(equality)]) ).

cnf(15,plain,
    divide(inverse(X),divide(inverse(Y),X)) = Y,
    inference('REWRITE',[status(thm)],[13,14,theory(equality)]) ).

cnf(16,plain,
    divide(inverse(inverse(X)),divide(X,Y)) = Y,
    inference('REWRITE',[status(thm)],[12,14,theory(equality)]) ).

cnf(20,plain,
    inverse(inverse(X)) = X,
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[10,identity,theory(equality)]),inverse,theory(equality)]) ).

cnf(21,plain,
    divide(X,divide(X,Y)) = Y,
    inference('REWRITE',[status(thm)],[16,20,theory(equality)]) ).

cnf(22,plain,
    ( divide(divide(a3,inverse(b3)),inverse(c3)) != divide(a3,inverse(divide(b3,inverse(c3))))
    | divide(a4,inverse(b4)) != divide(b4,inverse(a4)) ),
    inference('REWRITE',[status(thm)],[7,20,theory(equality)]) ).

cnf(24,plain,
    inverse(divide(X,inverse(divide(Y,Z)))) = divide(divide(Z,X),Y),
    inference('PARAMODULATE',[status(thm)],[10,8,theory(equality)]) ).

cnf(25,plain,
    inverse(X) = divide(divide(Y,X),Y),
    inference('PARAMODULATE',[status(thm)],[20,10,theory(equality)]) ).

cnf(28,plain,
    divide(inverse(X),inverse(Y)) = divide(Y,X),
    inference('PARAMODULATE',[status(thm)],[11,21,theory(equality)]) ).

cnf(29,plain,
    divide(inverse(X),Y) = divide(inverse(Y),X),
    inference('PARAMODULATE',[status(thm)],[21,15,theory(equality)]) ).

cnf(32,plain,
    inverse(divide(X,Y)) = divide(Y,X),
    inference('PARAMODULATE',[status(thm)],[25,21,theory(equality)]) ).

cnf(33,plain,
    ( divide(divide(a3,inverse(b3)),inverse(c3)) != divide(a3,divide(inverse(b3),c3))
    | divide(a4,inverse(b4)) != divide(b4,inverse(a4)) ),
    inference('REWRITE',[status(thm)],[22,29,32,theory(equality)]) ).

cnf(34,plain,
    divide(divide(X,Y),Z) = divide(divide(X,Z),Y),
    inference('REWRITE',[status(thm)],[24,32,theory(equality)]) ).

cnf(37,plain,
    divide(X,inverse(Y)) = divide(Y,inverse(X)),
    inference('PARAMODULATE',[status(thm)],[28,20,theory(equality)]) ).

cnf(38,plain,
    divide(divide(b3,inverse(a3)),inverse(c3)) != divide(a3,divide(inverse(b3),c3)),
    inference('REWRITE',[status(thm)],[33,37,theory(equality)]) ).

cnf(42,plain,
    divide(divide(X,Y),inverse(Z)) = divide(Z,divide(Y,X)),
    inference('PARAMODULATE',[status(thm)],[28,32,theory(equality)]) ).

cnf(43,plain,
    divide(c3,divide(inverse(a3),b3)) != divide(a3,divide(inverse(b3),c3)),
    inference('REWRITE',[status(thm)],[38,42,theory(equality)]) ).

cnf(48,plain,
    divide(divide(X,inverse(Y)),Z) = divide(Y,divide(Z,X)),
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[37,34,theory(equality)]),32,theory(equality)]) ).

cnf(49,plain,
    divide(c3,divide(inverse(a3),b3)) != divide(b3,divide(inverse(a3),c3)),
    inference('REWRITE',[status(thm)],[43,42,48,theory(equality)]) ).

cnf(50,plain,
    divide(X,divide(Y,Z)) = divide(Z,divide(Y,X)),
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[32,34,theory(equality)]),32,theory(equality)]) ).

cnf(51,plain,
    $false,
    inference('REWRITE',[status(thm)],[49,50,theory(equality)]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.04/0.12  % Problem  : GRP094-1 : TPTP v8.1.0. Bugfixed v2.7.0.
% 0.04/0.13  % Command  : run-snark %s %d
% 0.13/0.35  % Computer : n003.cluster.edu
% 0.13/0.35  % Model    : x86_64 x86_64
% 0.13/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.35  % Memory   : 8042.1875MB
% 0.13/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.35  % CPULimit : 300
% 0.13/0.35  % WCLimit  : 600
% 0.13/0.35  % DateTime : Tue Jun 14 09:05:40 EDT 2022
% 0.13/0.35  % CPUTime  : 
% 0.20/0.47  /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.20/0.48  * 
% 0.20/0.48  * 
% 0.20/0.48  #<PACKAGE "SNARK-USER">
% 0.20/0.48  * 
% 0.20/0.48  SNARK-TPTP-OPTIONS
% 0.20/0.48  * 
% 0.20/0.48  ((AGENDA-LENGTH-LIMIT NIL) (AGENDA-LENGTH-BEFORE-SIMPLIFICATION-LIMIT NIL)
% 0.20/0.48   (USE-HYPERRESOLUTION T) (USE-UR-RESOLUTION T) (USE-PARAMODULATION T)
% 0.20/0.48   (USE-FACTORING :POS)
% 0.20/0.48   (USE-LITERAL-ORDERING-WITH-HYPERRESOLUTION 'LITERAL-ORDERING-P)
% 0.20/0.48   (USE-LITERAL-ORDERING-WITH-PARAMODULATION 'LITERAL-ORDERING-P)
% 0.20/0.48   (ORDERING-FUNCTIONS>CONSTANTS T) (ASSERT-CONTEXT :CURRENT)
% 0.20/0.48   (RUN-TIME-LIMIT 300) (LISTEN-FOR-COMMANDS NIL)
% 0.20/0.48   (USE-CLOSURE-WHEN-SATISFIABLE T) (PRINT-ROWS-WHEN-GIVEN NIL)
% 0.20/0.48   (PRINT-ROWS-WHEN-DERIVED NIL) (PRINT-UNORIENTABLE-ROWS NIL)
% 0.20/0.48   (PRINT-ROW-WFFS-PRETTILY NIL) (PRINT-FINAL-ROWS :TPTP)
% 0.20/0.48   (PRINT-OPTIONS-WHEN-STARTING NIL) (USE-VARIABLE-NAME-SORTS NIL)
% 0.20/0.48   (USE-PURITY-TEST T) (USE-RELEVANCE-TEST T) (DECLARE-TPTP-SYMBOLS1)
% 0.20/0.48   (DECLARE-TPTP-SYMBOLS2))
% 0.20/0.48  * 
% 0.20/0.48  "."
% 0.20/0.48  * 
% 0.20/0.48  ; Begin refute-file /export/starexec/sandbox/benchmark/theBenchmark.p 2022-06-14T09:05:40
% 0.20/0.48  ; Running SNARK from /davis/home/graph/tptp/Systems/SNARK---20120808r022/Source/snark-system.lisp in SBCL 1.0.12 on n003.cluster.edu at 2022-06-14T09:05:40
% 0.20/0.54  
% 0.20/0.54  
% 0.20/0.54  #||
% 0.20/0.54  % SZS status Unsatisfiable for /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.20/0.54  % SZS output start Refutation
% See solution above
% 0.38/0.54  ||#
% 0.38/0.54  
% 0.38/0.54  ; Summary of computation:
% 0.38/0.54  ;       260 formulas have been input or derived (from 25 formulas).
% 0.38/0.54  ;        51 (20%) were retained.  Of these,
% 0.38/0.54  ;           27 (53%) were simplified or subsumed later,
% 0.38/0.54  ;           24 (47%) are still being kept.
% 0.38/0.54  ; 
% 0.38/0.54  ; Run time in seconds excluding printing time:
% 0.38/0.54  ;     0.001   2%   Read assertion file          (1 call)
% 0.38/0.54  ;     0.000   0%   Assert                       (5 calls)
% 0.38/0.54  ;     0.006  11%   Process new row              (243 calls)
% 0.38/0.54  ;     0.001   2%   Resolution                   (48 calls)
% 0.38/0.54  ;     0.008  15%   Paramodulation               (24 calls)
% 0.38/0.54  ;     0.000   0%   Condensing                   (4 calls)
% 0.38/0.54  ;     0.000   0%   Forward subsumption          (4 calls)
% 0.38/0.54  ;     0.000   0%   Backward subsumption         (4 calls)
% 0.38/0.54  ;     0.003   6%   Forward simplification       (231 calls)
% 0.38/0.54  ;     0.006  11%   Backward simplification      (51 calls)
% 0.38/0.54  ;     0.003   6%   Ordering                     (653 calls)
% 0.38/0.54  ;     0.000   0%   Sortal reasoning             (32 calls)
% 0.38/0.54  ;     0.000   0%   Purity testing               (1 call)
% 0.38/0.54  ;     0.025  47%   Other
% 0.38/0.54  ;     0.053        Total
% 0.38/0.54  ;     0.057        Real time
% 0.38/0.54  ; 
% 0.38/0.54  ; Term-hash-array has 168 terms in all.
% 0.38/0.54  ; Feature-vector-row-index has 0 entries (1 at peak, 4 added, 4 deleted).
% 0.38/0.54  ; Feature-vector-row-index has 1 node (36 at peak, 108 added, 107 deleted).
% 0.38/0.54  ;  Retrieved 0 possibly forward subsuming rows in 4 calls.
% 0.38/0.54  ;  Retrieved 0 possibly backward subsumed rows in 4 calls.
% 0.38/0.54  ; Path-index has 70 entries (80 at peak, 253 added, 183 deleted).
% 0.38/0.54  ; Path-index has 204 nodes (258 at peak, 506 added, 302 deleted).
% 0.38/0.54  ; Trie-index has 70 entries (80 at peak, 253 added, 183 deleted).
% 0.38/0.54  ; Trie-index has 205 nodes (259 at peak, 784 added, 579 deleted).
% 0.38/0.54  ; Retrieved 880 generalization terms in 1,105 calls.
% 0.38/0.54  ; Retrieved 186 instance terms in 60 calls.
% 0.38/0.54  ; Retrieved 564 unifiable terms in 194 calls.
% 0.38/0.54  ; 
% 0.38/0.54  ; The agenda of rows to process has 12 entries:
% 0.38/0.54  ;     8 with value 21              4 with value 22
% 0.38/0.54  ; The agenda of rows to give has 10 entries:
% 0.38/0.54  ;     1 with value (4 16)          2 with value (4 19)           1 with value (4 21)
% 0.38/0.54  ;     1 with value (4 17)          5 with value (4 20)
% 0.38/0.54  Evaluation took:
% 0.38/0.54    0.058 seconds of real time
% 0.38/0.54    0.049894 seconds of user run time
% 0.38/0.54    0.008075 seconds of system run time
% 0.38/0.54    0 calls to %EVAL
% 0.38/0.54    0 page faults and
% 0.38/0.54    5,343,536 bytes consed.
% 0.38/0.54  :PROOF-FOUND
% 0.38/0.54  ; End refute-file /export/starexec/sandbox/benchmark/theBenchmark.p 2022-06-14T09:05:40
% 0.38/0.54  :PROOF-FOUND
% 0.38/0.54  * 
%------------------------------------------------------------------------------