TSTP Solution File: GRP001-4 by SNARK---20120808r022

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SNARK---20120808r022
% Problem  : GRP001-4 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run-snark %s %d

% Computer : n014.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 11:35:07 EDT 2022

% Result   : Unsatisfiable 0.20s 0.50s
% Output   : Refutation 0.20s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    5
%            Number of leaves      :    5
% Syntax   : Number of clauses     :   12 (  12 unt;   0 nHn;   5 RR)
%            Number of literals    :   12 (  11 equ;   1 neg)
%            Maximal clause size   :    1 (   1 avg)
%            Maximal term depth    :    3 (   1 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   :   12 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(associativity,axiom,
    multiply(multiply(X,Y),Z) = multiply(X,multiply(Y,Z)),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',associativity) ).

cnf(left_identity,axiom,
    multiply(identity,X) = X,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',left_identity) ).

cnf(squareness,hypothesis,
    multiply(X,X) = identity,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',squareness) ).

cnf(a_times_b_is_c,hypothesis,
    multiply(a,b) = c,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',a_times_b_is_c) ).

cnf(prove_b_times_a_is_c,negated_conjecture,
    multiply(b,a) != c,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_b_times_a_is_c) ).

cnf(7,plain,
    X = multiply(Y,multiply(Y,X)),
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[associativity,squareness,theory(equality)]),left_identity,theory(equality)]) ).

cnf(10,plain,
    multiply(multiply(X,Y),Y) = multiply(X,identity),
    inference('PARAMODULATE',[status(thm)],[associativity,squareness,theory(equality)]) ).

cnf(16,plain,
    b = multiply(a,c),
    inference('PARAMODULATE',[status(thm)],[7,a_times_b_is_c,theory(equality)]) ).

cnf(17,plain,
    X = multiply(X,identity),
    inference('PARAMODULATE',[status(thm)],[7,squareness,theory(equality)]) ).

cnf(18,plain,
    multiply(multiply(X,Y),Y) = X,
    inference('REWRITE',[status(thm)],[10,17,theory(equality)]) ).

cnf(24,plain,
    multiply(b,c) = a,
    inference('PARAMODULATE',[status(thm)],[18,16,theory(equality)]) ).

cnf(31,plain,
    $false,
    inference('REWRITE',[status(thm)],[inference('PARAMODULATE',[status(thm)],[7,24,theory(equality)]),prove_b_times_a_is_c]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : GRP001-4 : TPTP v8.1.0. Released v1.0.0.
% 0.07/0.13  % Command  : run-snark %s %d
% 0.14/0.34  % Computer : n014.cluster.edu
% 0.14/0.34  % Model    : x86_64 x86_64
% 0.14/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.34  % Memory   : 8042.1875MB
% 0.14/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.34  % CPULimit : 300
% 0.14/0.34  % WCLimit  : 600
% 0.14/0.34  % DateTime : Tue Jun 14 06:13:22 EDT 2022
% 0.14/0.34  % CPUTime  : 
% 0.20/0.45  /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.20/0.46  * 
% 0.20/0.46  * 
% 0.20/0.47  #<PACKAGE "SNARK-USER">
% 0.20/0.47  * 
% 0.20/0.47  SNARK-TPTP-OPTIONS
% 0.20/0.47  * 
% 0.20/0.47  ((AGENDA-LENGTH-LIMIT NIL) (AGENDA-LENGTH-BEFORE-SIMPLIFICATION-LIMIT NIL)
% 0.20/0.47   (USE-HYPERRESOLUTION T) (USE-UR-RESOLUTION T) (USE-PARAMODULATION T)
% 0.20/0.47   (USE-FACTORING :POS)
% 0.20/0.47   (USE-LITERAL-ORDERING-WITH-HYPERRESOLUTION 'LITERAL-ORDERING-P)
% 0.20/0.47   (USE-LITERAL-ORDERING-WITH-PARAMODULATION 'LITERAL-ORDERING-P)
% 0.20/0.47   (ORDERING-FUNCTIONS>CONSTANTS T) (ASSERT-CONTEXT :CURRENT)
% 0.20/0.47   (RUN-TIME-LIMIT 300) (LISTEN-FOR-COMMANDS NIL)
% 0.20/0.47   (USE-CLOSURE-WHEN-SATISFIABLE T) (PRINT-ROWS-WHEN-GIVEN NIL)
% 0.20/0.47   (PRINT-ROWS-WHEN-DERIVED NIL) (PRINT-UNORIENTABLE-ROWS NIL)
% 0.20/0.47   (PRINT-ROW-WFFS-PRETTILY NIL) (PRINT-FINAL-ROWS :TPTP)
% 0.20/0.47   (PRINT-OPTIONS-WHEN-STARTING NIL) (USE-VARIABLE-NAME-SORTS NIL)
% 0.20/0.47   (USE-PURITY-TEST T) (USE-RELEVANCE-TEST T) (DECLARE-TPTP-SYMBOLS1)
% 0.20/0.47   (DECLARE-TPTP-SYMBOLS2))
% 0.20/0.47  * 
% 0.20/0.47  "."
% 0.20/0.47  * 
% 0.20/0.47  ; Begin refute-file /export/starexec/sandbox2/benchmark/theBenchmark.p 2022-06-14T06:13:22
% 0.20/0.47  ; Running SNARK from /davis/home/graph/tptp/Systems/SNARK---20120808r022/Source/snark-system.lisp in SBCL 1.0.12 on n014.cluster.edu at 2022-06-14T06:13:22
% 0.20/0.48  
% 0.20/0.48  ; Recognized associativity assertion (= (|multiply| (|multiply| ?X ?Y) ?Z) (|multiply| ?X (|multiply| ?Y ?Z))).
% 0.20/0.50  ; Recognized left identity assertion (= (|multiply| |identity| ?X) ?X).
% 0.20/0.50  
% 0.20/0.50  #||
% 0.20/0.50  % SZS status Unsatisfiable for /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.20/0.50  % SZS output start Refutation
% See solution above
% 0.20/0.50  ||#
% 0.20/0.50  
% 0.20/0.50  ; Summary of computation:
% 0.20/0.50  ;        77 formulas have been input or derived (from 12 formulas).
% 0.20/0.50  ;        31 (40%) were retained.  Of these,
% 0.20/0.50  ;            2 ( 6%) were simplified or subsumed later,
% 0.20/0.50  ;           29 (94%) are still being kept.
% 0.20/0.50  ; 
% 0.20/0.50  ; Run time in seconds excluding printing time:
% 0.20/0.50  ;     0.001   3%   Read assertion file          (1 call)
% 0.20/0.50  ;     0.001   3%   Assert                       (5 calls)
% 0.20/0.50  ;     0.004  12%   Process new row              (73 calls)
% 0.20/0.50  ;     0.000   0%   Resolution                   (22 calls)
% 0.20/0.50  ;     0.002   6%   Paramodulation               (11 calls)
% 0.20/0.50  ;     0.003   9%   Forward simplification       (73 calls)
% 0.20/0.50  ;     0.002   6%   Backward simplification      (31 calls)
% 0.20/0.50  ;     0.000   0%   Ordering                     (257 calls)
% 0.20/0.50  ;     0.000   0%   Sortal reasoning             (32 calls)
% 0.20/0.50  ;     0.000   0%   Purity testing               (1 call)
% 0.20/0.50  ;     0.020  61%   Other
% 0.20/0.50  ;     0.033        Total
% 0.20/0.50  ;     0.035        Real time
% 0.20/0.50  ; 
% 0.20/0.50  ; Term-hash-array has 75 terms in all.
% 0.20/0.50  ; Feature-vector-row-index has 0 entries (0 at peak, 0 added, 0 deleted).
% 0.20/0.50  ; Feature-vector-row-index has 1 node (1 at peak, 1 added, 0 deleted).
% 0.20/0.50  ; Path-index has 76 entries (76 at peak, 80 added, 4 deleted).
% 0.20/0.50  ; Path-index has 105 nodes (105 at peak, 107 added, 2 deleted).
% 0.20/0.50  ; Trie-index has 76 entries (76 at peak, 80 added, 4 deleted).
% 0.20/0.50  ; Trie-index has 206 nodes (206 at peak, 214 added, 8 deleted).
% 0.20/0.50  ; Retrieved 328 generalization terms in 233 calls.
% 0.20/0.50  ; Retrieved 81 instance terms in 42 calls.
% 0.20/0.50  ; Retrieved 150 unifiable terms in 62 calls.
% 0.20/0.50  ; 
% 0.20/0.50  ; The agenda of rows to process has 2 entries:
% 0.20/0.50  ;     2 with value 16
% 0.20/0.50  ; The agenda of rows to give has 17 entries:
% 0.20/0.50  ;     1 with value (4 10)          4 with value (4 15)           2 with value (4 17)
% 0.20/0.50  ;     2 with value (4 12)          1 with value (4 16)           5 with value (4 20)
% 0.20/0.50  ;     2 with value (4 13)
% 0.20/0.50  Evaluation took:
% 0.20/0.50    0.035 seconds of real time
% 0.20/0.50    0.028587 seconds of user run time
% 0.20/0.50    0.006843 seconds of system run time
% 0.20/0.50    0 calls to %EVAL
% 0.20/0.50    0 page faults and
% 0.20/0.50    2,128,536 bytes consed.
% 0.20/0.50  :PROOF-FOUND
% 0.20/0.50  ; End refute-file /export/starexec/sandbox2/benchmark/theBenchmark.p 2022-06-14T06:13:22
% 0.20/0.50  :PROOF-FOUND
% 0.20/0.50  * 
%------------------------------------------------------------------------------