## TSTP Solution File: NLP117-1 by SNARK---20120808r022

View Problem - Process Solution

```%------------------------------------------------------------------------------
% File     : SNARK---20120808r022
% Problem  : NLP117-1 : TPTP v8.1.0. Released v2.4.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run-snark %s %d

% Computer : n027.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 05:21:05 EDT 2022

% Result   : Unsatisfiable 0.19s 0.51s
% Output   : Refutation 0.19s
% Verified :
% SZS Type : Refutation
%            Derivation depth      :    3
%            Number of leaves      :   36
% Syntax   : Number of clauses     :   55 (  20 unt;  16 nHn;  55 RR)
%            Number of literals    :  137 (   0 equ;  68 neg)
%            Maximal clause size   :   18 (   2 avg)
%            Maximal term depth    :    1 (   1 avg)
%            Number of predicates  :   19 (  18 usr;   2 prp; 0-3 aty)
%            Number of functors    :   12 (  12 usr;  12 con; 0-0 aty)
%            Number of variables   :   18 (   0 sgn)

%------------------------------------------------------------------------------
cnf(clause1,negated_conjecture,
actual_world(skc18),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause1) ).

cnf(clause2,negated_conjecture,
actual_world(skc12),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause2) ).

cnf(clause3,negated_conjecture,
( ssSkC0
| old(skc18,skc23) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause3) ).

cnf(clause4,negated_conjecture,
( ssSkC0
| dirty(skc18,skc23) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause4) ).

cnf(clause5,negated_conjecture,
( ssSkC0
| white(skc18,skc23) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause5) ).

cnf(clause6,negated_conjecture,
( ssSkC0
| chevy(skc18,skc23) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause6) ).

cnf(clause7,negated_conjecture,
( ssSkC0
| barrel(skc18,skc19) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause7) ).

cnf(clause8,negated_conjecture,
( ssSkC0
| present(skc18,skc19) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause8) ).

cnf(clause9,negated_conjecture,
( ssSkC0
| event(skc18,skc19) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause9) ).

cnf(clause10,negated_conjecture,
( ssSkC0
| hollywood_placename(skc18,skc21) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause10) ).

cnf(clause11,negated_conjecture,
( ssSkC0
| placename(skc18,skc21) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause11) ).

cnf(clause12,negated_conjecture,
( ssSkC0
| city(skc18,skc22) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause12) ).

cnf(clause13,negated_conjecture,
( ssSkC0
| street(skc18,skc20) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause13) ).

cnf(clause14,negated_conjecture,
( ssSkC0
| lonely(skc18,skc20) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause14) ).

cnf(clause15,negated_conjecture,
( ~ ssSkC0
| lonely(skc12,skc17) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause15) ).

cnf(clause16,negated_conjecture,
( ~ ssSkC0
| street(skc12,skc17) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause16) ).

cnf(clause17,negated_conjecture,
( ~ ssSkC0
| barrel(skc12,skc13) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause17) ).

cnf(clause18,negated_conjecture,
( ~ ssSkC0
| present(skc12,skc13) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause18) ).

cnf(clause19,negated_conjecture,
( ~ ssSkC0
| event(skc12,skc13) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause19) ).

cnf(clause20,negated_conjecture,
( ~ ssSkC0
| hollywood_placename(skc12,skc15) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause20) ).

cnf(clause21,negated_conjecture,
( ~ ssSkC0
| placename(skc12,skc15) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause21) ).

cnf(clause22,negated_conjecture,
( ~ ssSkC0
| city(skc12,skc16) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause22) ).

cnf(clause23,negated_conjecture,
( ~ ssSkC0
| chevy(skc12,skc14) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause23) ).

cnf(clause24,negated_conjecture,
( ~ ssSkC0
| white(skc12,skc14) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause24) ).

cnf(clause25,negated_conjecture,
( ~ ssSkC0
| dirty(skc12,skc14) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause25) ).

cnf(clause26,negated_conjecture,
( ~ ssSkC0
| old(skc12,skc14) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause26) ).

cnf(clause27,negated_conjecture,
( ssSkC0
| agent(skc18,skc19,skc23) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause27) ).

cnf(clause28,negated_conjecture,
( ssSkC0
| in(skc18,skc19,skc22) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause28) ).

cnf(clause29,negated_conjecture,
( ssSkC0
| of(skc18,skc21,skc22) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause29) ).

cnf(clause30,negated_conjecture,
( ssSkC0
| down(skc18,skc19,skc20) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause30) ).

cnf(clause31,negated_conjecture,
( ~ ssSkC0
| down(skc12,skc13,skc17) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause31) ).

cnf(clause32,negated_conjecture,
( ~ ssSkC0
| in(skc12,skc13,skc16) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause32) ).

cnf(clause33,negated_conjecture,
( ~ ssSkC0
| of(skc12,skc15,skc16) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause33) ).

cnf(clause34,negated_conjecture,
( ~ ssSkC0
| agent(skc12,skc13,skc14) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause34) ).

cnf(clause35,negated_conjecture,
( ~ down(X,Y,Z)
| ~ lonely(X,Z)
| ~ street(X,Z)
| ~ barrel(X,Y)
| ~ present(X,Y)
| ~ event(X,Y)
| ~ hollywood_placename(X,U)
| ~ placename(X,U)
| ~ in(X,Y,V)
| ~ city(X,V)
| ~ of(X,U,V)
| ~ chevy(X,W)
| ~ white(X,W)
| ~ dirty(X,W)
| ~ old(X,W)
| ~ agent(X,Y,W)
| ~ actual_world(X)
| ssSkC0 ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause35) ).

cnf(clause36,negated_conjecture,
( ~ agent(X,Y,Z)
| ~ old(X,Z)
| ~ dirty(X,Z)
| ~ white(X,Z)
| ~ chevy(X,Z)
| ~ barrel(X,Y)
| ~ present(X,Y)
| ~ event(X,Y)
| ~ hollywood_placename(X,U)
| ~ placename(X,U)
| ~ in(X,Y,V)
| ~ city(X,V)
| ~ of(X,U,V)
| ~ street(X,W)
| ~ lonely(X,W)
| ~ down(X,Y,W)
| ~ actual_world(X)
| ~ ssSkC0 ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause36) ).

cnf(37,plain,
ssSkC0,
inference('HYPERRESOLVE',[status(thm)],[clause35,clause30,clause14,clause13,clause7,clause8,clause9,clause10,clause11,clause28,clause12,clause29,clause6,clause5,clause4,clause3,clause27,clause1]) ).

cnf(38,plain,
lonely(skc12,skc17),
inference('REWRITE',[status(thm)],[clause15,37]) ).

cnf(39,plain,
street(skc12,skc17),
inference('REWRITE',[status(thm)],[clause16,37]) ).

cnf(40,plain,
barrel(skc12,skc13),
inference('REWRITE',[status(thm)],[clause17,37]) ).

cnf(41,plain,
present(skc12,skc13),
inference('REWRITE',[status(thm)],[clause18,37]) ).

cnf(42,plain,
event(skc12,skc13),
inference('REWRITE',[status(thm)],[clause19,37]) ).

cnf(43,plain,
hollywood_placename(skc12,skc15),
inference('REWRITE',[status(thm)],[clause20,37]) ).

cnf(44,plain,
placename(skc12,skc15),
inference('REWRITE',[status(thm)],[clause21,37]) ).

cnf(45,plain,
city(skc12,skc16),
inference('REWRITE',[status(thm)],[clause22,37]) ).

cnf(46,plain,
chevy(skc12,skc14),
inference('REWRITE',[status(thm)],[clause23,37]) ).

cnf(47,plain,
white(skc12,skc14),
inference('REWRITE',[status(thm)],[clause24,37]) ).

cnf(48,plain,
dirty(skc12,skc14),
inference('REWRITE',[status(thm)],[clause25,37]) ).

cnf(49,plain,
old(skc12,skc14),
inference('REWRITE',[status(thm)],[clause26,37]) ).

cnf(50,plain,
down(skc12,skc13,skc17),
inference('REWRITE',[status(thm)],[clause31,37]) ).

cnf(51,plain,
in(skc12,skc13,skc16),
inference('REWRITE',[status(thm)],[clause32,37]) ).

cnf(52,plain,
of(skc12,skc15,skc16),
inference('REWRITE',[status(thm)],[clause33,37]) ).

cnf(53,plain,
agent(skc12,skc13,skc14),
inference('REWRITE',[status(thm)],[clause34,37]) ).

cnf(54,plain,
( ~ agent(X,Y,Z)
| ~ old(X,Z)
| ~ dirty(X,Z)
| ~ white(X,Z)
| ~ chevy(X,Z)
| ~ barrel(X,Y)
| ~ present(X,Y)
| ~ event(X,Y)
| ~ hollywood_placename(X,U)
| ~ placename(X,U)
| ~ in(X,Y,V)
| ~ city(X,V)
| ~ of(X,U,V)
| ~ street(X,W)
| ~ lonely(X,W)
| ~ down(X,Y,W)
| ~ actual_world(X) ),
inference('REWRITE',[status(thm)],[clause36,37]) ).

cnf(55,plain,
\$false,
inference('HYPERRESOLVE',[status(thm)],[54,53,49,48,47,46,40,41,42,43,44,51,45,52,39,38,50,clause2]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.12  % Problem  : NLP117-1 : TPTP v8.1.0. Released v2.4.0.
% 0.11/0.13  % Command  : run-snark %s %d
% 0.13/0.34  % Computer : n027.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit : 300
% 0.13/0.34  % WCLimit  : 600
% 0.13/0.34  % DateTime : Fri Jul  1 12:06:37 EDT 2022
% 0.13/0.34  % CPUTime  :
% 0.19/0.45  /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.19/0.46  *
% 0.19/0.46  *
% 0.19/0.47  #<PACKAGE "SNARK-USER">
% 0.19/0.47  *
% 0.19/0.47  SNARK-TPTP-OPTIONS
% 0.19/0.47  *
% 0.19/0.47  ((AGENDA-LENGTH-LIMIT NIL) (AGENDA-LENGTH-BEFORE-SIMPLIFICATION-LIMIT NIL)
% 0.19/0.47   (USE-HYPERRESOLUTION T) (USE-UR-RESOLUTION T) (USE-PARAMODULATION T)
% 0.19/0.47   (USE-FACTORING :POS)
% 0.19/0.47   (USE-LITERAL-ORDERING-WITH-HYPERRESOLUTION 'LITERAL-ORDERING-P)
% 0.19/0.47   (USE-LITERAL-ORDERING-WITH-PARAMODULATION 'LITERAL-ORDERING-P)
% 0.19/0.47   (ORDERING-FUNCTIONS>CONSTANTS T) (ASSERT-CONTEXT :CURRENT)
% 0.19/0.47   (RUN-TIME-LIMIT 300) (LISTEN-FOR-COMMANDS NIL)
% 0.19/0.47   (USE-CLOSURE-WHEN-SATISFIABLE T) (PRINT-ROWS-WHEN-GIVEN NIL)
% 0.19/0.47   (PRINT-ROWS-WHEN-DERIVED NIL) (PRINT-UNORIENTABLE-ROWS NIL)
% 0.19/0.47   (PRINT-ROW-WFFS-PRETTILY NIL) (PRINT-FINAL-ROWS :TPTP)
% 0.19/0.47   (PRINT-OPTIONS-WHEN-STARTING NIL) (USE-VARIABLE-NAME-SORTS NIL)
% 0.19/0.47   (USE-PURITY-TEST T) (USE-RELEVANCE-TEST T) (DECLARE-TPTP-SYMBOLS1)
% 0.19/0.47   (DECLARE-TPTP-SYMBOLS2))
% 0.19/0.47  *
% 0.19/0.47  "."
% 0.19/0.47  *
% 0.19/0.47  ; Begin refute-file /export/starexec/sandbox/benchmark/theBenchmark.p 2022-07-01T12:06:37
% 0.19/0.47  ; Running SNARK from /davis/home/graph/tptp/Systems/SNARK---20120808r022/Source/snark-system.lisp in SBCL 1.0.12 on n027.cluster.edu at 2022-07-01T12:06:37
% 0.19/0.51
% 0.19/0.51
% 0.19/0.51  #||
% 0.19/0.51  % SZS status Unsatisfiable for /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.19/0.51  % SZS output start Refutation
% See solution above
% 0.19/0.51  ||#
% 0.19/0.51
% 0.19/0.51  ; Summary of computation:
% 0.19/0.51  ;        73 formulas have been input or derived (from 53 formulas).
% 0.19/0.51  ;        55 (75%) were retained.  Of these,
% 0.19/0.51  ;           34 (62%) were simplified or subsumed later,
% 0.19/0.51  ;           21 (38%) are still being kept.
% 0.19/0.51  ;
% 0.19/0.51  ; Run time in seconds excluding printing time:
% 0.19/0.51  ;     0.006  15%   Read assertion file          (1 call)
% 0.19/0.51  ;     0.002   5%   Assert                       (36 calls)
% 0.19/0.51  ;     0.004  10%   Process new row              (55 calls)
% 0.19/0.51  ;     0.001   2%   Resolution                   (104 calls)
% 0.19/0.51  ;     0.001   2%   Paramodulation               (52 calls)
% 0.19/0.51  ;     0.000   0%   Factoring                    (16 calls)
% 0.19/0.51  ;     0.001   2%   Condensing                   (35 calls)
% 0.19/0.51  ;     0.000   0%   Forward subsumption          (35 calls)
% 0.19/0.51  ;     0.000   0%   Backward subsumption         (35 calls)
% 0.19/0.51  ;     0.001   2%   Forward simplification       (55 calls)
% 0.19/0.51  ;     0.001   2%   Backward simplification      (55 calls)
% 0.19/0.51  ;     0.000   0%   Ordering                     (32 calls)
% 0.19/0.51  ;     0.000   0%   Sortal reasoning             (32 calls)
% 0.19/0.51  ;     0.000   0%   Purity testing               (1 call)
% 0.19/0.51  ;     0.023  58%   Other
% 0.19/0.51  ;     0.040        Total
% 0.19/0.51  ;     0.046        Real time
% 0.19/0.51  ;
% 0.19/0.51  ; Term-hash-array has 59 terms in all.
% 0.19/0.51  ; Feature-vector-row-index has 1 entry (34 at peak, 35 added, 34 deleted).
% 0.19/0.51  ; Feature-vector-row-index has 16 nodes (139 at peak, 154 added, 138 deleted).
% 0.19/0.51  ;  Retrieved 0 possibly forward subsuming rows in 35 calls.
% 0.19/0.51  ;  Retrieved 0 possibly backward subsumed rows in 35 calls.
% 0.19/0.51  ; Path-index has 43 entries (72 at peak, 110 added, 67 deleted).
% 0.19/0.51  ; Path-index has 137 nodes (178 at peak, 256 added, 119 deleted).
% 0.19/0.51  ; Trie-index has 43 entries (72 at peak, 110 added, 67 deleted).
% 0.19/0.51  ; Trie-index has 101 nodes (142 at peak, 236 added, 135 deleted).
% 0.19/0.51  ; Retrieved 0 generalization terms in 20 calls.
% 0.19/0.51  ; Retrieved 19 instance terms in 19 calls.
% 0.19/0.51  ; Retrieved 366 unifiable terms in 413 calls.
% 0.19/0.51  ;
% 0.19/0.51  ; The agenda of rows to process has 17 entries:
% 0.19/0.51  ;     1 with value 4              12 with value 5                4 with value 6
% 0.19/0.51  ; The agenda of rows to give has 1 entry:
% 0.19/0.51  ;     1 with value (4 2)
% 0.19/0.51  Evaluation took:
% 0.19/0.51    0.046 seconds of real time
% 0.19/0.51    0.034747 seconds of user run time
% 0.19/0.51    0.01071 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    5,306,320 bytes consed.
% 0.19/0.51  :PROOF-FOUND
% 0.19/0.51  ; End refute-file /export/starexec/sandbox/benchmark/theBenchmark.p 2022-07-01T12:06:37
% 0.19/0.52  :PROOF-FOUND
% 0.19/0.52  *
%------------------------------------------------------------------------------
```