TSTP Solution File: GRP557-1 by SNARK---20120808r022

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SNARK---20120808r022
% Problem  : GRP557-1 : TPTP v8.1.0. Released v2.6.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run-snark %s %d

% Computer : n020.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 11:39:24 EDT 2022

% Result   : Unsatisfiable 0.22s 0.53s
% Output   : Refutation 0.22s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    8
%            Number of leaves      :    3
% Syntax   : Number of clauses     :   13 (  13 unt;   0 nHn;   4 RR)
%            Number of literals    :   13 (  12 equ;   3 neg)
%            Maximal clause size   :    1 (   1 avg)
%            Maximal term depth    :    8 (   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,inverse(divide(divide(Y,Z),divide(X,Z)))) = Y,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',single_axiom) ).

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

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

cnf(5,plain,
    divide(X,inverse(divide(Y,divide(X,inverse(divide(divide(Y,Z),divide(U,Z))))))) = U,
    inference('PARAMODULATE',[status(thm)],[single_axiom,single_axiom,theory(equality)]) ).

cnf(7,plain,
    divide(X,inverse(divide(Y,Y))) = X,
    inference('PARAMODULATE',[status(thm)],[5,single_axiom,theory(equality)]) ).

cnf(13,plain,
    divide(X,inverse(divide(Y,X))) = Y,
    inference('PARAMODULATE',[status(thm)],[5,7,theory(equality)]) ).

cnf(16,plain,
    divide(inverse(divide(X,Y)),inverse(X)) = Y,
    inference('PARAMODULATE',[status(thm)],[13,13,theory(equality)]) ).

cnf(28,plain,
    divide(inverse(X),inverse(Y)) = inverse(divide(X,Y)),
    inference('PARAMODULATE',[status(thm)],[13,16,theory(equality)]) ).

cnf(31,plain,
    inverse(divide(divide(X,Y),X)) = Y,
    inference('REWRITE',[status(thm)],[16,28,theory(equality)]) ).

cnf(33,plain,
    inverse(divide(a1,a1)) != inverse(divide(b1,b1)),
    inference('REWRITE',[status(thm)],[4,28,theory(equality)]) ).

cnf(34,plain,
    inverse(divide(X,X)) = inverse(divide(Y,Y)),
    inference('PARAMODULATE',[status(thm)],[31,7,theory(equality)]) ).

cnf(35,plain,
    $false,
    inference('REWRITE',[status(thm)],[33,34,theory(equality)]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.13  % Problem  : GRP557-1 : TPTP v8.1.0. Released v2.6.0.
% 0.07/0.14  % Command  : run-snark %s %d
% 0.13/0.35  % Computer : n020.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 00:34:20 EDT 2022
% 0.13/0.36  % CPUTime  : 
% 0.22/0.48  /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.22/0.49  * 
% 0.22/0.49  * 
% 0.22/0.50  #<PACKAGE "SNARK-USER">
% 0.22/0.50  * 
% 0.22/0.50  SNARK-TPTP-OPTIONS
% 0.22/0.50  * 
% 0.22/0.50  ((AGENDA-LENGTH-LIMIT NIL) (AGENDA-LENGTH-BEFORE-SIMPLIFICATION-LIMIT NIL)
% 0.22/0.50   (USE-HYPERRESOLUTION T) (USE-UR-RESOLUTION T) (USE-PARAMODULATION T)
% 0.22/0.50   (USE-FACTORING :POS)
% 0.22/0.50   (USE-LITERAL-ORDERING-WITH-HYPERRESOLUTION 'LITERAL-ORDERING-P)
% 0.22/0.50   (USE-LITERAL-ORDERING-WITH-PARAMODULATION 'LITERAL-ORDERING-P)
% 0.22/0.50   (ORDERING-FUNCTIONS>CONSTANTS T) (ASSERT-CONTEXT :CURRENT)
% 0.22/0.50   (RUN-TIME-LIMIT 300) (LISTEN-FOR-COMMANDS NIL)
% 0.22/0.50   (USE-CLOSURE-WHEN-SATISFIABLE T) (PRINT-ROWS-WHEN-GIVEN NIL)
% 0.22/0.50   (PRINT-ROWS-WHEN-DERIVED NIL) (PRINT-UNORIENTABLE-ROWS NIL)
% 0.22/0.50   (PRINT-ROW-WFFS-PRETTILY NIL) (PRINT-FINAL-ROWS :TPTP)
% 0.22/0.50   (PRINT-OPTIONS-WHEN-STARTING NIL) (USE-VARIABLE-NAME-SORTS NIL)
% 0.22/0.50   (USE-PURITY-TEST T) (USE-RELEVANCE-TEST T) (DECLARE-TPTP-SYMBOLS1)
% 0.22/0.50   (DECLARE-TPTP-SYMBOLS2))
% 0.22/0.50  * 
% 0.22/0.50  "."
% 0.22/0.50  * 
% 0.22/0.50  ; Begin refute-file /export/starexec/sandbox/benchmark/theBenchmark.p 2022-06-14T00:34:20
% 0.22/0.50  ; Running SNARK from /davis/home/graph/tptp/Systems/SNARK---20120808r022/Source/snark-system.lisp in SBCL 1.0.12 on n020.cluster.edu at 2022-06-14T00:34:20
% 0.22/0.53  
% 0.22/0.53  
% 0.22/0.53  #||
% 0.22/0.53  % SZS status Unsatisfiable for /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.22/0.53  % SZS output start Refutation
% See solution above
% 0.22/0.53  ||#
% 0.22/0.53  
% 0.22/0.53  ; Summary of computation:
% 0.22/0.53  ;        77 formulas have been input or derived (from 11 formulas).
% 0.22/0.53  ;        35 (45%) were retained.  Of these,
% 0.22/0.53  ;            8 (23%) were simplified or subsumed later,
% 0.22/0.53  ;           27 (77%) are still being kept.
% 0.22/0.53  ; 
% 0.22/0.53  ; Run time in seconds excluding printing time:
% 0.22/0.53  ;     0.001   3%   Read assertion file          (1 call)
% 0.22/0.54  ;     0.000   0%   Assert                       (3 calls)
% 0.22/0.54  ;     0.004  11%   Process new row              (66 calls)
% 0.22/0.54  ;     0.000   0%   Resolution                   (20 calls)
% 0.22/0.54  ;     0.003   8%   Paramodulation               (10 calls)
% 0.22/0.54  ;     0.001   3%   Forward simplification       (54 calls)
% 0.22/0.54  ;     0.004  11%   Backward simplification      (34 calls)
% 0.22/0.54  ;     0.000   0%   Ordering                     (160 calls)
% 0.22/0.54  ;     0.000   0%   Sortal reasoning             (32 calls)
% 0.22/0.54  ;     0.000   0%   Purity testing               (1 call)
% 0.22/0.54  ;     0.024  65%   Other
% 0.22/0.54  ;     0.037        Total
% 0.22/0.54  ;     0.038        Real time
% 0.22/0.54  ; 
% 0.22/0.54  ; Term-hash-array has 192 terms in all.
% 0.22/0.54  ; Feature-vector-row-index has 0 entries (0 at peak, 0 added, 0 deleted).
% 0.22/0.54  ; Feature-vector-row-index has 1 node (1 at peak, 1 added, 0 deleted).
% 0.22/0.54  ; Path-index has 168 entries (176 at peak, 203 added, 35 deleted).
% 0.22/0.54  ; Path-index has 713 nodes (727 at peak, 763 added, 50 deleted).
% 0.22/0.54  ; Trie-index has 168 entries (176 at peak, 203 added, 35 deleted).
% 0.22/0.54  ; Trie-index has 550 nodes (566 at peak, 650 added, 100 deleted).
% 0.22/0.54  ; Retrieved 110 generalization terms in 240 calls.
% 0.22/0.54  ; Retrieved 126 instance terms in 33 calls.
% 0.22/0.54  ; Retrieved 347 unifiable terms in 73 calls.
% 0.22/0.54  ; 
% 0.22/0.54  ; The agenda of rows to process has 7 entries:
% 0.22/0.54  ;     1 with value 17              1 with value 21               1 with value 30
% 0.22/0.54  ;     2 with value 19              2 with value 22
% 0.22/0.54  ; The agenda of rows to give has 19 entries:
% 0.22/0.54  ;     2 with value (4 17)          1 with value (4 22)           1 with value (4 29)
% 0.22/0.54  ;     2 with value (4 18)          1 with value (4 23)           2 with value (4 32)
% 0.22/0.54  ;     1 with value (4 20)          1 with value (4 24)           3 with value (4 35)
% 0.22/0.54  ;     2 with value (4 21)          1 with value (4 26)           2 with value (4 43)
% 0.22/0.54  Evaluation took:
% 0.22/0.54    0.039 seconds of real time
% 0.22/0.54    0.027931 seconds of user run time
% 0.22/0.54    0.01094 seconds of system run time
% 0.22/0.54    0 calls to %EVAL
% 0.22/0.54    0 page faults and
% 0.22/0.54    2,677,496 bytes consed.
% 0.22/0.54  :PROOF-FOUND
% 0.22/0.54  ; End refute-file /export/starexec/sandbox/benchmark/theBenchmark.p 2022-06-14T00:34:20
% 0.22/0.54  :PROOF-FOUND
% 0.22/0.54  * 
%------------------------------------------------------------------------------