TSTP Solution File: GRP448-1 by SNARK---20120808r022

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SNARK---20120808r022
% Problem  : GRP448-1 : TPTP v8.1.0. Released v2.6.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run-snark %s %d

% Computer : n006.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 11:38:55 EDT 2022

% Result   : Unsatisfiable 0.19s 0.49s
% Output   : Refutation 0.19s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    5
%            Number of leaves      :    4
% Syntax   : Number of clauses     :   12 (  12 unt;   0 nHn;   3 RR)
%            Number of literals    :   12 (  11 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   :   21 (   0 sgn)

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

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

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

cnf(prove_these_axioms_1,negated_conjecture,
    multiply(inverse(a1),a1) != multiply(inverse(b1),b1),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_these_axioms_1) ).

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

cnf(6,plain,
    divide(inverse(a1),inverse(a1)) != divide(inverse(b1),inverse(b1)),
    inference('REWRITE',[status(thm)],[prove_these_axioms_1,5,theory(equality)]) ).

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

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

cnf(26,plain,
    divide(X,X) = divide(Y,Y),
    inference('PARAMODULATE',[status(thm)],[24,24,theory(equality)]) ).

cnf(27,plain,
    $false,
    inference('REWRITE',[status(thm)],[6,26,theory(equality)]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.10/0.12  % Problem  : GRP448-1 : TPTP v8.1.0. Released v2.6.0.
% 0.10/0.12  % Command  : run-snark %s %d
% 0.13/0.33  % Computer : n006.cluster.edu
% 0.13/0.33  % Model    : x86_64 x86_64
% 0.13/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.33  % Memory   : 8042.1875MB
% 0.13/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.33  % CPULimit : 300
% 0.13/0.33  % WCLimit  : 600
% 0.13/0.33  % DateTime : Mon Jun 13 10:27:12 EDT 2022
% 0.13/0.33  % CPUTime  : 
% 0.19/0.44  /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.19/0.45  * 
% 0.19/0.45  * 
% 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  * 
% 0.19/0.46  ; Begin refute-file /export/starexec/sandbox/benchmark/theBenchmark.p 2022-06-13T10:27:12
% 0.19/0.46  ; Running SNARK from /davis/home/graph/tptp/Systems/SNARK---20120808r022/Source/snark-system.lisp in SBCL 1.0.12 on n006.cluster.edu at 2022-06-13T10:27:12
% 0.19/0.49  
% 0.19/0.49  
% 0.19/0.49  #||
% 0.19/0.49  % SZS status Unsatisfiable for /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.19/0.49  % SZS output start Refutation
% See solution above
% 0.19/0.49  ||#
% 0.19/0.49  
% 0.19/0.49  ; Summary of computation:
% 0.19/0.49  ;        63 formulas have been input or derived (from 10 formulas).
% 0.19/0.49  ;        27 (43%) were retained.  Of these,
% 0.19/0.49  ;            7 (26%) were simplified or subsumed later,
% 0.19/0.49  ;           20 (74%) are still being kept.
% 0.19/0.49  ; 
% 0.19/0.49  ; Run time in seconds excluding printing time:
% 0.19/0.49  ;     0.002   6%   Read assertion file          (1 call)
% 0.19/0.49  ;     0.000   0%   Assert                       (4 calls)
% 0.19/0.49  ;     0.003  10%   Process new row              (49 calls)
% 0.19/0.49  ;     0.000   0%   Resolution                   (18 calls)
% 0.19/0.49  ;     0.002   6%   Paramodulation               (9 calls)
% 0.19/0.49  ;     0.001   3%   Forward simplification       (45 calls)
% 0.19/0.49  ;     0.002   6%   Backward simplification      (27 calls)
% 0.19/0.49  ;     0.001   3%   Ordering                     (132 calls)
% 0.19/0.49  ;     0.000   0%   Sortal reasoning             (32 calls)
% 0.19/0.49  ;     0.000   0%   Purity testing               (1 call)
% 0.19/0.49  ;     0.020  65%   Other
% 0.19/0.49  ;     0.031        Total
% 0.19/0.49  ;     0.033        Real time
% 0.19/0.49  ; 
% 0.19/0.49  ; Term-hash-array has 107 terms in all.
% 0.19/0.49  ; Feature-vector-row-index has 0 entries (0 at peak, 0 added, 0 deleted).
% 0.19/0.49  ; Feature-vector-row-index has 1 node (1 at peak, 1 added, 0 deleted).
% 0.19/0.49  ; Path-index has 81 entries (88 at peak, 115 added, 34 deleted).
% 0.19/0.49  ; Path-index has 357 nodes (373 at peak, 416 added, 59 deleted).
% 0.19/0.49  ; Trie-index has 81 entries (88 at peak, 115 added, 34 deleted).
% 0.19/0.49  ; Trie-index has 345 nodes (372 at peak, 479 added, 134 deleted).
% 0.19/0.49  ; Retrieved 32 generalization terms in 225 calls.
% 0.19/0.49  ; Retrieved 59 instance terms in 27 calls.
% 0.19/0.49  ; Retrieved 143 unifiable terms in 63 calls.
% 0.19/0.49  ; 
% 0.19/0.49  ; The agenda of rows to process has 13 entries:
% 0.19/0.49  ;     2 with value 14              6 with value 19               1 with value 21
% 0.19/0.49  ;     2 with value 18              2 with value 20
% 0.19/0.49  ; The agenda of rows to give has 14 entries:
% 0.19/0.49  ;     1 with value (4 12)          2 with value (4 19)           4 with value (4 23)
% 0.19/0.49  ;     2 with value (4 17)          2 with value (4 20)           2 with value (4 28)
% 0.19/0.49  ;     1 with value (4 18)
% 0.19/0.49  Evaluation took:
% 0.19/0.49    0.033 seconds of real time
% 0.19/0.49    0.030356 seconds of user run time
% 0.19/0.49    0.003244 seconds of system run time
% 0.19/0.49    0 calls to %EVAL
% 0.19/0.49    0 page faults and
% 0.19/0.49    2,387,120 bytes consed.
% 0.19/0.49  :PROOF-FOUND
% 0.19/0.49  ; End refute-file /export/starexec/sandbox/benchmark/theBenchmark.p 2022-06-13T10:27:12
% 0.19/0.49  :PROOF-FOUND
% 0.19/0.49  * 
%------------------------------------------------------------------------------