TSTP Solution File: PUZ009-1 by SNARK---20120808r022

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SNARK---20120808r022
% Problem  : PUZ009-1 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run-snark %s %d

% Computer : n021.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 : Mon Jul 18 18:26:22 EDT 2022

% Result   : Unsatisfiable 0.19s 0.49s
% Output   : Refutation 0.19s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    4
%            Number of leaves      :    6
% Syntax   : Number of clauses     :   13 (   6 unt;   3 nHn;  13 RR)
%            Number of literals    :   22 (   0 equ;   8 neg)
%            Maximal clause size   :    3 (   1 avg)
%            Maximal term depth    :    0 (   0 avg)
%            Number of predicates  :    6 (   5 usr;   6 prp; 0-0 aty)
%            Number of functors    :    0 (   0 usr;   0 con; --- aty)
%            Number of variables   :    0 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(c1,axiom,
    ( ~ a_is_a_knight
    | ~ b_is_a_knight ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',c1) ).

cnf(c10,axiom,
    ( ~ e_is_a_knight
    | ~ d_is_a_knight
    | c_is_a_knight ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',c10) ).

cnf(c13,axiom,
    ( d_is_a_knight
    | a_is_a_knight
    | c_is_a_knight ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',c13) ).

cnf(c16,axiom,
    ( a_is_a_knight
    | e_is_a_knight ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',c16) ).

cnf(c17,axiom,
    ( a_is_a_knight
    | ~ c_is_a_knight ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',c17) ).

cnf(c18,negated_conjecture,
    b_is_a_knight,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',c18) ).

cnf(15,plain,
    ~ a_is_a_knight,
    inference('REWRITE',[status(thm)],[c1,c18]) ).

cnf(16,plain,
    ( d_is_a_knight
    | c_is_a_knight ),
    inference('REWRITE',[status(thm)],[c13,15]) ).

cnf(17,plain,
    e_is_a_knight,
    inference('REWRITE',[status(thm)],[c16,15]) ).

cnf(18,plain,
    ( ~ d_is_a_knight
    | c_is_a_knight ),
    inference('REWRITE',[status(thm)],[c10,17]) ).

cnf(19,plain,
    ~ c_is_a_knight,
    inference('REWRITE',[status(thm)],[c17,15]) ).

cnf(20,plain,
    d_is_a_knight,
    inference('REWRITE',[status(thm)],[16,19]) ).

cnf(21,plain,
    $false,
    inference('REWRITE',[status(thm)],[18,20,19]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : PUZ009-1 : TPTP v8.1.0. Released v1.0.0.
% 0.07/0.13  % Command  : run-snark %s %d
% 0.13/0.33  % Computer : n021.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 : Sun May 29 02:48:57 EDT 2022
% 0.13/0.33  % CPUTime  : 
% 0.19/0.45  /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.19/0.45  * 
% 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  * 
% 0.19/0.46  ; Begin refute-file /export/starexec/sandbox/benchmark/theBenchmark.p 2022-05-29T02:48:57
% 0.19/0.46  ; Running SNARK from /davis/home/graph/tptp/Systems/SNARK---20120808r022/Source/snark-system.lisp in SBCL 1.0.12 on n021.cluster.edu at 2022-05-29T02:48:57
% 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  ;        26 formulas have been input or derived (from 1 formulas).
% 0.19/0.49  ;        21 (81%) were retained.  Of these,
% 0.19/0.49  ;           15 (71%) were simplified or subsumed later,
% 0.19/0.49  ;            6 (29%) 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   8%   Read assertion file          (1 call)
% 0.19/0.49  ;     0.000   0%   Assert                       (18 calls)
% 0.19/0.49  ;     0.000   0%   Process new row              (25 calls)
% 0.19/0.49  ;     0.000   0%   Condensing                   (19 calls)
% 0.19/0.49  ;     0.000   0%   Forward subsumption          (19 calls)
% 0.19/0.49  ;     0.000   0%   Backward subsumption         (15 calls)
% 0.19/0.49  ;     0.001   4%   Clause clause subsumption    (4 calls)
% 0.19/0.49  ;     0.000   0%   Forward simplification       (25 calls)
% 0.19/0.49  ;     0.001   4%   Backward simplification      (21 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  ;     0.021  84%   Other
% 0.19/0.49  ;     0.025        Total
% 0.19/0.49  ;     0.027        Real time
% 0.19/0.49  ; 
% 0.19/0.49  ; Term-hash-array has 0 terms in all.
% 0.19/0.49  ; Feature-vector-row-index has 0 entries (13 at peak, 15 added, 15 deleted).
% 0.19/0.49  ; Feature-vector-row-index has 1 node (36 at peak, 41 added, 40 deleted).
% 0.19/0.49  ;  Retrieved 4 possibly forward subsuming rows in 19 calls.
% 0.19/0.49  ;  Retrieved 0 possibly backward subsumed rows in 15 calls.
% 0.19/0.49  ; Path-index has 5 entries (5 at peak, 6 added, 1 deleted).
% 0.19/0.49  ; Path-index has 6 nodes (6 at peak, 7 added, 1 deleted).
% 0.19/0.49  ; Trie-index has 5 entries (5 at peak, 6 added, 1 deleted).
% 0.19/0.49  ; Trie-index has 6 nodes (6 at peak, 7 added, 1 deleted).
% 0.19/0.49  ; Retrieved 5 instance terms in 5 calls.
% 0.19/0.49  ; 
% 0.19/0.49  ; The agenda of backward simplifiable rows to process has 1 entry:
% 0.19/0.49  ;     1 with value 0
% 0.19/0.49  ; The agenda of input rows to give has 5 entries:
% 0.19/0.49  ;     5 with value 1
% 0.19/0.49  Evaluation took:
% 0.19/0.49    0.028 seconds of real time
% 0.19/0.49    0.022714 seconds of user run time
% 0.19/0.49    0.005054 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    1,751,968 bytes consed.
% 0.19/0.49  :PROOF-FOUND
% 0.19/0.49  ; End refute-file /export/starexec/sandbox/benchmark/theBenchmark.p 2022-05-29T02:48:57
% 0.19/0.49  :PROOF-FOUND
% 0.19/0.49  * 
%------------------------------------------------------------------------------