TSTP Solution File: LDA001-1 by SNARK---20120808r022

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SNARK---20120808r022
% Problem  : LDA001-1 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run-snark %s %d

% Computer : n023.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 : Sun Jul 17 16:45:49 EDT 2022

% Result   : Unsatisfiable 0.19s 0.50s
% Output   : Refutation 0.19s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    5
%            Number of leaves      :    5
% Syntax   : Number of clauses     :   18 (  18 unt;   0 nHn;  10 RR)
%            Number of literals    :   18 (  17 equ;   2 neg)
%            Maximal clause size   :    1 (   1 avg)
%            Maximal term depth    :    3 (   2 avg)
%            Number of predicates  :    2 (   0 usr;   1 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   4 con; 0-2 aty)
%            Number of variables   :   10 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(a1,axiom,
    f(X,f(Y,Z)) = f(f(X,Y),f(X,Z)),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',a1) ).

cnf(clause_2,axiom,
    n2 = f(n1,n1),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause_2) ).

cnf(clause_3,axiom,
    n3 = f(n2,n1),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause_3) ).

cnf(clause_4,axiom,
    u = f(n2,n2),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause_4) ).

cnf(prove_equation,negated_conjecture,
    f(f(n3,n2),u) != f(f(u,u),u),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_equation) ).

cnf(6,plain,
    f(X,n2) = f(f(X,n1),f(X,n1)),
    inference('PARAMODULATE',[status(thm)],[a1,clause_2,theory(equality)]) ).

cnf(7,plain,
    f(X,n3) = f(f(X,n2),f(X,n1)),
    inference('PARAMODULATE',[status(thm)],[a1,clause_3,theory(equality)]) ).

cnf(8,plain,
    f(X,u) = f(f(X,n2),f(X,n2)),
    inference('PARAMODULATE',[status(thm)],[a1,clause_4,theory(equality)]) ).

cnf(9,plain,
    f(n1,f(n1,X)) = f(n2,f(n1,X)),
    inference('PARAMODULATE',[status(thm)],[a1,clause_2,theory(equality)]) ).

cnf(10,plain,
    f(n1,f(n1,X)) = f(n3,f(n2,X)),
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[a1,clause_3,theory(equality)]),9,theory(equality)]) ).

cnf(14,plain,
    f(n2,f(X,n2)) = f(f(n2,X),u),
    inference('PARAMODULATE',[status(thm)],[a1,clause_4,theory(equality)]) ).

cnf(21,plain,
    f(n1,n2) = u,
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[6,clause_2,theory(equality)]),clause_4,theory(equality)]) ).

cnf(22,plain,
    u = f(n3,n3),
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[6,clause_3,theory(equality)]),clause_4,theory(equality)]) ).

cnf(31,plain,
    f(n3,f(X,n3)) = f(f(n3,X),u),
    inference('PARAMODULATE',[status(thm)],[a1,22,theory(equality)]) ).

cnf(32,plain,
    f(n1,f(n1,n3)) != f(f(u,u),u),
    inference('REWRITE',[status(thm)],[prove_equation,10,31,theory(equality)]) ).

cnf(34,plain,
    f(n1,n3) = f(u,n2),
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[7,clause_2,theory(equality)]),21,theory(equality)]) ).

cnf(45,plain,
    f(n2,u) = f(u,u),
    inference('PARAMODULATE',[status(thm)],[8,clause_4,theory(equality)]) ).

cnf(46,plain,
    $false,
    inference('REWRITE',[status(thm)],[32,9,34,14,45,theory(equality)]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.11  % Problem  : LDA001-1 : TPTP v8.1.0. Released v1.0.0.
% 0.11/0.12  % Command  : run-snark %s %d
% 0.12/0.33  % Computer : n023.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 May 30 02:30:12 EDT 2022
% 0.12/0.33  % 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  * 
% 0.19/0.46  ; Begin refute-file /export/starexec/sandbox/benchmark/theBenchmark.p 2022-05-30T02:30:12
% 0.19/0.46  ; Running SNARK from /davis/home/graph/tptp/Systems/SNARK---20120808r022/Source/snark-system.lisp in SBCL 1.0.12 on n023.cluster.edu at 2022-05-30T02:30:12
% 0.19/0.50  
% 0.19/0.50  
% 0.19/0.50  #||
% 0.19/0.50  % SZS status Unsatisfiable for /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.19/0.50  % SZS output start Refutation
% See solution above
% 0.19/0.50  ||#
% 0.19/0.50  
% 0.19/0.50  ; Summary of computation:
% 0.19/0.50  ;        75 formulas have been input or derived (from 14 formulas).
% 0.19/0.50  ;        46 (61%) were retained.  Of these,
% 0.19/0.50  ;            3 ( 7%) were simplified or subsumed later,
% 0.19/0.50  ;           43 (93%) are still being kept.
% 0.19/0.50  ; 
% 0.19/0.50  ; Run time in seconds excluding printing time:
% 0.19/0.50  ;     0.001   3%   Read assertion file          (1 call)
% 0.19/0.50  ;     0.000   0%   Assert                       (5 calls)
% 0.19/0.50  ;     0.005  13%   Process new row              (68 calls)
% 0.19/0.50  ;     0.000   0%   Resolution                   (26 calls)
% 0.19/0.50  ;     0.002   5%   Paramodulation               (13 calls)
% 0.19/0.50  ;     0.001   3%   Forward simplification       (68 calls)
% 0.19/0.50  ;     0.004  10%   Backward simplification      (46 calls)
% 0.19/0.50  ;     0.004  10%   Ordering                     (319 calls)
% 0.19/0.50  ;     0.000   0%   Sortal reasoning             (32 calls)
% 0.19/0.50  ;     0.000   0%   Purity testing               (1 call)
% 0.19/0.50  ;     0.022  56%   Other
% 0.19/0.50  ;     0.039        Total
% 0.19/0.50  ;     0.041        Real time
% 0.19/0.50  ; 
% 0.19/0.50  ; Term-hash-array has 151 terms in all.
% 0.19/0.50  ; Feature-vector-row-index has 0 entries (0 at peak, 0 added, 0 deleted).
% 0.19/0.50  ; Feature-vector-row-index has 1 node (1 at peak, 1 added, 0 deleted).
% 0.19/0.50  ; Path-index has 146 entries (149 at peak, 157 added, 11 deleted).
% 0.19/0.50  ; Path-index has 138 nodes (138 at peak, 142 added, 4 deleted).
% 0.19/0.50  ; Trie-index has 146 entries (149 at peak, 157 added, 11 deleted).
% 0.19/0.51  ; Trie-index has 564 nodes (573 at peak, 596 added, 32 deleted).
% 0.19/0.51  ; Retrieved 207 generalization terms in 350 calls.
% 0.19/0.51  ; Retrieved 78 instance terms in 59 calls.
% 0.19/0.51  ; Retrieved 157 unifiable terms in 87 calls.
% 0.19/0.51  ; 
% 0.19/0.51  ; The agenda of rows to process has 7 entries:
% 0.19/0.51  ;     1 with value 12              1 with value 17               1 with value 23
% 0.19/0.51  ;     1 with value 14              1 with value 21               2 with value 25
% 0.19/0.51  ; The agenda of rows to give has 31 entries:
% 0.19/0.51  ;     1 with value (4 11)          6 with value (4 19)           4 with value (4 25)
% 0.19/0.51  ;     6 with value (4 15)          2 with value (4 23)           2 with value (4 26)
% 0.19/0.51  ;     6 with value (4 17)          4 with value (4 24)
% 0.19/0.51  Evaluation took:
% 0.19/0.51    0.041 seconds of real time
% 0.19/0.51    0.034225 seconds of user run time
% 0.19/0.51    0.007104 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    3,009,456 bytes consed.
% 0.19/0.51  :PROOF-FOUND
% 0.19/0.51  ; End refute-file /export/starexec/sandbox/benchmark/theBenchmark.p 2022-05-30T02:30:12
% 0.19/0.51  :PROOF-FOUND
% 0.19/0.51  * 
%------------------------------------------------------------------------------