%------------------------------------------------------------------------------
% File : Vampire-SAT---5.0.1
% Problem : NLP254-1 : TPTP v9.3.1. Released v2.4.0.
% Transfm : none
% Format : tptp:raw
% Command : run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 SAT
% Computer : n002.cluster.edu
% Model : x86_64 x86_64
% CPU : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory : 8046.5625MB
% OS : Linux 6.8.0-71-generic
% CPULimit : 300s
% WCLimit : 300s
% DateTime : Tue Sep 29 12:09:42 PM UTC 2026
% Result : Satisfiable 0.17s 0.48s
% Output : Saturation 0.17s
% Verified :
% SZS Type : ERROR: Analysing output (MakeTreeStats fails)
% Comments :
%------------------------------------------------------------------------------
cnf(u155,negated_conjecture,
~ event(skc12,skf2(X1)) ).
cnf(u162,negated_conjecture,
~ present(skc12,skf2(X1)) ).
cnf(u166,negated_conjecture,
smoke(skc12,skf2(X1)) ).
cnf(u254,negated_conjecture,
( ~ accessible_world(skc8,X6)
| ~ jules_forename(skc8,X13)
| ~ of(skc8,X13,X12)
| man(skc8,X12)
| ~ be(skc8,X10,X12,X12)
| agent(skc8,X9,X12)
| ~ of(skc8,X11,X12)
| vincent_forename(skc8,X11)
| state(skc8,X10)
| ~ think_believe_consider(skc8,X9)
| theme(skc8,X9,X6)
| event(skc8,X9)
| present(skc8,X9)
| ~ jules_forename(skc8,X5)
| ~ proposition(skc8,X6)
| ~ of(skc8,X5,X8)
| ~ smoke(X6,X7)
| man(skc8,X8)
| agent(X6,X7,X8)
| present(X6,X7) ) ).
cnf(u257,negated_conjecture,
( ~ accessible_world(skc8,X0)
| ~ smoke(X0,X1)
| agent(skc8,X2,X4)
| vincent_forename(skc8,X3)
| man(skc8,X4)
| ~ of(skc8,X3,X4)
| ~ think_believe_consider(skc8,X2)
| present(skc8,X2)
| event(skc8,X2)
| theme(skc8,X2,X0)
| ~ proposition(skc8,X0)
| present(X0,X1)
| agent(X0,X1,skf4(X0)) ) ).
cnf(u283,negated_conjecture,
~ entity(skc8,skc15) ).
cnf(u287,negated_conjecture,
( ~ of(skc8,X0,skc15)
| skc14 = X0
| ~ forename(skc8,X0) ) ).
cnf(u292,negated_conjecture,
~ entity(skc8,skc10) ).
cnf(u296,negated_conjecture,
( ~ of(skc8,X0,skc10)
| skc11 = X0
| ~ forename(skc8,X0) ) ).
cnf(u301,negated_conjecture,
( ~ proposition(skc8,X1)
| skc12 = X1
| theme(skc8,skc13,X1) ) ).
cnf(u313,negated_conjecture,
( ~ smoke(skc12,X0)
| agent(skc12,X0,skf4(skc12))
| present(skc12,X0) ) ).
cnf(u338,negated_conjecture,
( ~ jules_forename(skc8,X0)
| present(skc8,X3)
| event(skc8,X3)
| theme(skc8,X3,skc12)
| ~ think_believe_consider(skc8,X3)
| state(skc8,X2)
| vincent_forename(skc8,X4)
| ~ of(skc8,X4,X1)
| agent(skc8,X3,X1)
| ~ be(skc8,X2,X1,X1)
| man(skc8,X1)
| ~ of(skc8,X0,X1) ) ).
cnf(u450,negated_conjecture,
( ~ proposition(skc12,X0)
| ~ proposition(skc12,X1)
| X0 = X1
| theme(skc12,skc13,X1)
| theme(skc12,skc13,X0) ) ).
cnf(u551,negated_conjecture,
~ entity(skc12,skc10) ).
cnf(u555,negated_conjecture,
( ~ of(skc12,X0,skc10)
| ~ forename(skc12,X0)
| skc11 = X0 ) ).
cnf(u560,negated_conjecture,
~ entity(skc12,skc15) ).
cnf(u564,negated_conjecture,
( ~ of(skc12,X0,skc15)
| ~ forename(skc12,X0)
| skc14 = X0 ) ).
cnf(u569,negated_conjecture,
( ~ of(skc8,X0,skc15)
| ~ forename(skc12,X0)
| skc14 = X0 ) ).
cnf(u574,negated_conjecture,
( ~ of(skc8,X0,skc10)
| ~ forename(skc12,X0)
| skc11 = X0 ) ).
cnf(u635,negated_conjecture,
( ~ of(skc8,X2,skc10)
| vincent_forename(skc8,X2) ) ).
cnf(u675,negated_conjecture,
( theme(skc12,skc13,X0)
| skc12 = X0
| ~ proposition(skc8,X0) ) ).
cnf(u228,negated_conjecture,
( ~ human(skc12,X0)
| human(skc8,X0) ) ).
cnf(u404,negated_conjecture,
( ~ nonhuman(skc8,X0)
| man(skc12,X0) ) ).
cnf(u491,negated_conjecture,
( ~ organism(skc12,X0)
| eventuality(skc8,X0) ) ).
cnf(u191,negated_conjecture,
( proposition(skc12,X0)
| ~ proposition(skc8,X0) ) ).
cnf(clause74,negated_conjecture,
forename(skc8,skc14) ).
cnf(u534,negated_conjecture,
entity(skc12,skc11) ).
cnf(u135,axiom,
( ~ agent(X1,X2,X3)
| agent(X0,X2,X3)
| ~ accessible_world(X0,X1) ) ).
cnf(u578,negated_conjecture,
~ forename(skc8,skc15) ).
cnf(clause22,axiom,
( impartial(X0,X1)
| ~ organism(X0,X1) ) ).
cnf(u647,negated_conjecture,
state(skc8,skc14) ).
cnf(u138,axiom,
( ~ think_believe_consider(X0,X4)
| ~ proposition(X0,X2)
| theme(X0,X3,X1)
| ~ think_believe_consider(X0,X3)
| ~ proposition(X0,X1)
| theme(X0,X4,X2)
| agent(X0,X4,X5)
| agent(X0,X3,X5)
| X1 = X2 ) ).
cnf(u198,negated_conjecture,
( relation(skc12,X0)
| ~ proposition(skc8,X0) ) ).
cnf(clause80,negated_conjecture,
forename(skc8,skc11) ).
cnf(u109,axiom,
( ~ thing(X0,X1)
| entity(X0,X1) ) ).
cnf(u531,negated_conjecture,
entity(skc12,skc14) ).
cnf(u489,negated_conjecture,
( ~ human_person(skc8,X0)
| eventuality(skc12,X0) ) ).
cnf(u436,negated_conjecture,
( ~ accessible_world(X1,skc8)
| nonexistent(X1,X0)
| entity(skc12,X0) ) ).
cnf(u681,negated_conjecture,
state(skc8,skc11) ).
cnf(u213,negated_conjecture,
( ~ eventuality(skc12,X0)
| eventuality(skc8,X0) ) ).
cnf(u112,axiom,
( ~ human(X0,X1)
| ~ human_person(X0,X1) ) ).
cnf(u172,negated_conjecture,
nonhuman(skc8,skc12) ).
cnf(u624,negated_conjecture,
~ forename(skc12,skc15) ).
cnf(clause63,axiom,
( ~ accessible_world(X0,X1)
| ~ relname(X0,X2)
| relname(X1,X2) ) ).
cnf(u216,negated_conjecture,
( ~ man(skc12,X0)
| man(skc8,X0) ) ).
cnf(u684,negated_conjecture,
( ~ organism(skc8,X0)
| ~ forename(skc12,X0) ) ).
cnf(u685,negated_conjecture,
~ forename(skc8,skc9) ).
cnf(u387,negated_conjecture,
general(skc12,skc14) ).
cnf(u179,negated_conjecture,
eventuality(skc8,skc12) ).
cnf(u519,negated_conjecture,
( specific(skc8,X0)
| ~ forename(skc12,X0) ) ).
cnf(u388,negated_conjecture,
nonhuman(skc12,skc14) ).
cnf(u459,negated_conjecture,
( ~ forename(skc8,X0)
| specific(skc12,X0) ) ).
cnf(u591,negated_conjecture,
entity(skc8,skc14) ).
cnf(u546,negated_conjecture,
( eventuality(skc8,X0)
| ~ forename(skc12,X0) ) ).
cnf(u717,negated_conjecture,
~ human_person(skc8,skc11) ).
cnf(u525,negated_conjecture,
~ smoke(skc12,skc10) ).
cnf(u242,negated_conjecture,
( ~ man(X1,skf4(X1))
| ~ proposition(X0,X1)
| theme(X0,X2,X1)
| event(X0,X2)
| present(X0,X2)
| ~ think_believe_consider(X0,X2)
| vincent_forename(X0,X3)
| ~ of(X0,X3,X4)
| man(X0,X4)
| agent(X0,X2,X4)
| ~ jules_forename(X0,X5)
| ~ smoke(X6,X7)
| present(X6,X7)
| agent(X6,X7,X8)
| man(X0,X8)
| ~ of(X0,X5,X8)
| ~ proposition(X0,X6)
| ~ accessible_world(X0,X6)
| ~ think_believe_consider(X0,X9)
| present(X0,X9)
| event(X0,X9)
| theme(X0,X9,X6)
| state(X0,X10)
| vincent_forename(X0,X11)
| ~ of(X0,X11,X12)
| agent(X0,X9,X12)
| ~ be(X0,X10,X12,X12)
| man(X0,X12)
| ~ of(X0,X13,X12)
| ~ jules_forename(X0,X13)
| ~ actual_world(X0)
| ~ accessible_world(X0,X1) ) ).
cnf(u142,negated_conjecture,
~ present(skc8,skc13) ).
cnf(u361,negated_conjecture,
( ~ accessible_world(skc12,X0)
| think_believe_consider(X0,skc13) ) ).
cnf(u643,negated_conjecture,
vincent_forename(skc8,skc11) ).
cnf(u421,negated_conjecture,
( event(skc8,X0)
| man(skc12,X0) ) ).
cnf(clause84,negated_conjecture,
proposition(skc8,skc12) ).
cnf(u129,axiom,
( ~ accessible_world(X0,X1)
| entity(X0,X2)
| ~ entity(X1,X2) ) ).
cnf(clause58,axiom,
( ~ accessible_world(X0,X1)
| ~ living(X0,X2)
| living(X1,X2) ) ).
cnf(u201,negated_conjecture,
abstraction(skc12,skc12) ).
cnf(u116,axiom,
( male(X0,X1)
| ~ unisex(X0,X1) ) ).
cnf(u259,negated_conjecture,
( ~ of(skc8,skc14,X0)
| ~ forename(skc8,X1)
| ~ of(skc8,X1,X0)
| entity(skc8,X0)
| skc14 = X1 ) ).
cnf(u396,axiom,
( general(X0,X1)
| ~ forename(X0,X1) ) ).
cnf(u111,axiom,
( ~ existent(X0,X1)
| entity(X0,X1) ) ).
cnf(u123,axiom,
( ~ singleton(X1,X2)
| singleton(X0,X2)
| ~ accessible_world(X0,X1) ) ).
cnf(u391,negated_conjecture,
nonhuman(skc12,skc11) ).
cnf(u227,negated_conjecture,
~ organism(skc12,skc12) ).
cnf(u114,axiom,
( ~ male(X0,X1)
| man(X0,X1) ) ).
cnf(u186,negated_conjecture,
~ human_person(skc8,skc12) ).
cnf(u688,negated_conjecture,
~ human_person(skc12,skc11) ).
cnf(u701,negated_conjecture,
~ smoke(skc8,skc14) ).
cnf(u365,negated_conjecture,
abstraction(skc12,skc14) ).
cnf(u409,negated_conjecture,
( nonexistent(skc8,X0)
| entity(skc12,X0) ) ).
cnf(clause72,negated_conjecture,
actual_world(skc8) ).
cnf(u705,negated_conjecture,
~ forename(skc12,skc9) ).
cnf(clause62,axiom,
( ~ accessible_world(X0,X1)
| ~ forename(X0,X2)
| forename(X1,X2) ) ).
cnf(u133,axiom,
( ~ accessible_world(X0,X1)
| male(X0,X2)
| ~ male(X1,X2) ) ).
cnf(u205,negated_conjecture,
nonhuman(skc12,skc12) ).
cnf(u193,negated_conjecture,
( relation(skc12,X0)
| ~ relation(skc8,X0) ) ).
cnf(u544,negated_conjecture,
( ~ accessible_world(X0,skc8)
| agent(X0,skf2(X1),skf4(skc12)) ) ).
cnf(u136,axiom,
( ~ theme(X1,X2,X3)
| theme(X0,X2,X3)
| ~ accessible_world(X0,X1) ) ).
cnf(u440,negated_conjecture,
state(skc12,skc15) ).
cnf(u196,negated_conjecture,
( ~ accessible_world(skc8,X0)
| ~ accessible_world(X0,X1)
| think_believe_consider(X1,skc13) ) ).
cnf(u208,negated_conjecture,
( forename(skc12,X0)
| ~ forename(skc8,X0) ) ).
cnf(u435,negated_conjecture,
( ~ organism(skc8,X0)
| eventuality(skc12,X0) ) ).
cnf(u99,axiom,
( ~ thing(X0,X1)
| eventuality(X0,X1) ) ).
cnf(u495,negated_conjecture,
man(skc12,skc11) ).
cnf(u507,negated_conjecture,
( ~ of(skc8,skc11,X1)
| entity(skc12,X1)
| skc11 = X0
| ~ of(skc8,X0,X1)
| ~ forename(skc12,X0) ) ).
cnf(u171,negated_conjecture,
general(skc8,skc12) ).
cnf(u630,negated_conjecture,
~ organism(skc8,skc14) ).
cnf(u203,negated_conjecture,
unisex(skc12,skc12) ).
cnf(u231,negated_conjecture,
~ human_person(skc12,skc12) ).
cnf(u683,axiom,
( ~ human_person(X0,X1)
| ~ forename(X0,X1) ) ).
cnf(u118,axiom,
( human(X0,X1)
| ~ nonhuman(X0,X1) ) ).
cnf(u274,negated_conjecture,
( existent(skc8,X0)
| nonexistent(skc12,X0) ) ).
cnf(u660,negated_conjecture,
( state(skc8,X0)
| ~ forename(skc12,X0) ) ).
cnf(u190,negated_conjecture,
( think_believe_consider(X0,skc13)
| ~ accessible_world(skc8,X0) ) ).
cnf(u517,axiom,
( entity(X0,X1)
| ~ forename(X0,X1) ) ).
cnf(u500,negated_conjecture,
specific(skc12,skc11) ).
cnf(u410,negated_conjecture,
state(skc8,skc15) ).
cnf(u433,negated_conjecture,
eventuality(skc12,skc15) ).
cnf(u709,negated_conjecture,
( ~ human_person(skc8,X0)
| ~ forename(skc12,X0) ) ).
cnf(u470,axiom,
( ~ human_person(X0,X1)
| eventuality(X0,X1) ) ).
cnf(u177,negated_conjecture,
specific(skc8,skc12) ).
cnf(u457,negated_conjecture,
( ~ forename(skc12,X0)
| man(skc8,X0) ) ).
cnf(clause8,axiom,
( ~ proposition(X0,X1)
| relation(X0,X1) ) ).
cnf(clause36,axiom,
( ~ smoke(X0,X2)
| ~ accessible_world(X0,X1)
| smoke(X1,X2) ) ).
cnf(clause68,axiom,
( ~ accessible_world(X0,X1)
| ~ of(X0,X2,X3)
| of(X1,X2,X3) ) ).
cnf(clause79,negated_conjecture,
jules_forename(skc8,skc11) ).
cnf(u608,negated_conjecture,
~ organism(skc12,skc11) ).
cnf(u140,negated_conjecture,
~ vincent_forename(skc8,skc14) ).
cnf(u592,negated_conjecture,
eventuality(skc8,skc14) ).
cnf(clause43,axiom,
( ~ accessible_world(X0,X1)
| ~ unisex(X0,X2)
| unisex(X1,X2) ) ).
cnf(u488,negated_conjecture,
( ~ smoke(skc8,X0)
| man(skc12,X0) ) ).
cnf(u103,axiom,
( unisex(X0,X1)
| eventuality(X0,X1) ) ).
cnf(u481,negated_conjecture,
man(skc8,skf2(X0)) ).
cnf(u483,negated_conjecture,
( state(skc12,X0)
| man(skc8,X0) ) ).
cnf(u606,negated_conjecture,
eventuality(skc8,skc11) ).
cnf(u207,negated_conjecture,
( living(skc12,X0)
| ~ living(skc8,X0) ) ).
cnf(u650,negated_conjecture,
( ~ proposition(skc8,X0)
| theme(skc12,skc13,X0)
| theme(skc12,skc13,X1)
| ~ proposition(skc8,X1)
| X0 = X1 ) ).
cnf(u106,axiom,
( ~ event(X0,X1)
| state(X0,X1) ) ).
cnf(u601,negated_conjecture,
~ organism(skc12,skc14) ).
cnf(u210,negated_conjecture,
( jules_forename(skc12,X0)
| ~ jules_forename(skc8,X0) ) ).
cnf(u386,negated_conjecture,
unisex(skc12,skc14) ).
cnf(u329,axiom,
( ~ accessible_world(X2,X0)
| nonexistent(X2,X1)
| entity(X0,X1) ) ).
cnf(u121,axiom,
( ~ accessible_world(X0,X1)
| eventuality(X0,X2)
| ~ eventuality(X1,X2) ) ).
cnf(u389,negated_conjecture,
unisex(skc12,skc11) ).
cnf(u181,negated_conjecture,
~ organism(skc8,skc12) ).
cnf(u225,negated_conjecture,
( ~ accessible_world(skc12,X0)
| smoke(X0,skf2(X1)) ) ).
cnf(clause12,axiom,
( ~ abstraction(X0,X1)
| general(X0,X1) ) ).
cnf(u184,negated_conjecture,
state(skc8,skc12) ).
cnf(clause83,negated_conjecture,
accessible_world(skc8,skc12) ).
cnf(u244,negated_conjecture,
( be(skc12,X0,X1,X2)
| ~ be(skc8,X0,X1,X2) ) ).
cnf(u128,axiom,
( ~ accessible_world(X0,X1)
| man(X0,X2)
| ~ man(X1,X2) ) ).
cnf(u355,negated_conjecture,
forename(skc12,skc14) ).
cnf(clause78,negated_conjecture,
think_believe_consider(skc8,skc13) ).
cnf(u411,negated_conjecture,
event(skc8,skc15) ).
cnf(u540,negated_conjecture,
( ~ smoke(skc12,X0)
| man(skc8,X0) ) ).
cnf(u712,negated_conjecture,
( ~ accessible_world(X1,skc12)
| ~ proposition(skc8,X0)
| theme(X1,skc13,X0)
| skc12 = X0 ) ).
cnf(u603,negated_conjecture,
state(skc12,skc14) ).
cnf(u195,negated_conjecture,
( nonhuman(skc12,X0)
| ~ nonhuman(skc8,X0) ) ).
cnf(u629,negated_conjecture,
( ~ of(skc8,skc11,X3)
| event(skc8,X0)
| theme(skc8,X0,skc12)
| ~ think_believe_consider(skc8,X0)
| state(skc8,X1)
| vincent_forename(skc8,X2)
| ~ of(skc8,X2,X3)
| agent(skc8,X0,X3)
| ~ be(skc8,X1,X3,X3)
| man(skc8,X3)
| present(skc8,X0) ) ).
cnf(u110,axiom,
( ~ specific(X0,X1)
| entity(X0,X1) ) ).
cnf(u655,negated_conjecture,
~ human_person(skc12,skc14) ).
cnf(u261,negated_conjecture,
( ~ proposition(skc8,X2)
| theme(skc8,X1,X2)
| ~ think_believe_consider(skc8,X1)
| ~ proposition(skc8,X0)
| theme(skc8,skc13,X0)
| agent(skc8,skc13,X3)
| agent(skc8,X1,X3)
| X0 = X2 ) ).
cnf(clause53,axiom,
( ~ accessible_world(X0,X1)
| ~ human_person(X0,X2)
| human_person(X1,X2) ) ).
cnf(u214,negated_conjecture,
( ~ specific(skc12,X0)
| specific(skc8,X0) ) ).
cnf(u390,negated_conjecture,
general(skc12,skc11) ).
cnf(u97,axiom,
( ~ event(X0,X1)
| ~ smoke(X0,X1) ) ).
cnf(u125,axiom,
( ~ nonexistent(X1,X2)
| nonexistent(X0,X2)
| ~ accessible_world(X0,X1) ) ).
cnf(u505,negated_conjecture,
( ~ of(skc8,skc14,X1)
| ~ of(skc12,X0,X1)
| entity(skc12,X1)
| skc14 = X0
| ~ forename(skc12,X0) ) ).
cnf(u169,negated_conjecture,
abstraction(skc8,skc12) ).
cnf(u229,negated_conjecture,
state(skc12,skc12) ).
cnf(u580,axiom,
( state(X0,X1)
| ~ forename(X0,X1) ) ).
cnf(u581,axiom,
( ~ forename(X0,X1)
| event(X0,X1) ) ).
cnf(u458,axiom,
( specific(X0,X1)
| ~ forename(X0,X1) ) ).
cnf(u415,negated_conjecture,
( ~ accessible_world(X1,skc12)
| nonexistent(X1,X0)
| entity(skc8,X0) ) ).
cnf(u232,negated_conjecture,
( ~ male(skc12,X0)
| male(skc8,X0) ) ).
cnf(u408,negated_conjecture,
eventuality(skc8,skc10) ).
cnf(u359,negated_conjecture,
( ~ of(skc12,skc14,X0)
| ~ forename(skc12,X1)
| ~ of(skc12,X1,X0)
| entity(skc12,X0)
| skc14 = X1 ) ).
cnf(clause23,axiom,
( living(X0,X1)
| ~ organism(X0,X1) ) ).
cnf(u413,negated_conjecture,
event(skc8,skc10) ).
cnf(u535,negated_conjecture,
eventuality(skc12,skc11) ).
cnf(u330,axiom,
( entity(X0,X1)
| eventuality(X0,X1) ) ).
cnf(u139,negated_conjecture,
~ man(skc8,skc15) ).
cnf(u318,axiom,
( abstraction(X0,X1)
| ~ forename(X0,X1) ) ).
cnf(u199,negated_conjecture,
( human_person(skc12,X0)
| ~ human_person(skc8,X0) ) ).
cnf(clause85,negated_conjecture,
of(skc8,skc14,skc15) ).
cnf(u262,negated_conjecture,
( ~ accessible_world(skc8,X0)
| theme(X0,X2,X3)
| ~ think_believe_consider(X0,X2)
| ~ proposition(X0,X3)
| theme(X0,skc13,X1)
| agent(X0,skc13,X4)
| agent(X0,X2,X4)
| X1 = X3
| ~ proposition(X0,X1) ) ).
cnf(u130,axiom,
( ~ accessible_world(X0,X1)
| existent(X0,X2)
| ~ existent(X1,X2) ) ).
cnf(u350,negated_conjecture,
( relation(skc12,X0)
| ~ forename(skc8,X0) ) ).
cnf(u202,negated_conjecture,
( organism(skc12,X0)
| ~ organism(skc8,X0) ) ).
cnf(u437,negated_conjecture,
( entity(skc12,X0)
| eventuality(skc8,X0) ) ).
cnf(u101,axiom,
( ~ specific(X0,X1)
| eventuality(X0,X1) ) ).
cnf(u506,negated_conjecture,
( ~ of(skc8,skc14,X1)
| entity(skc12,X1)
| skc14 = X0
| ~ of(skc8,X0,X1)
| ~ forename(skc12,X0) ) ).
cnf(u145,negated_conjecture,
~ agent(skc8,skc13,skc15) ).
cnf(u173,axiom,
( relation(X0,X1)
| ~ forename(X0,X1) ) ).
cnf(u276,negated_conjecture,
( male(skc8,X0)
| ~ unisex(skc12,X0) ) ).
cnf(u104,axiom,
( ~ thing(X0,X1)
| ~ abstraction(X0,X1) ) ).
cnf(u670,negated_conjecture,
~ smoke(skc12,skc14) ).
cnf(u545,negated_conjecture,
( ~ forename(skc12,X0)
| entity(skc8,X0) ) ).
cnf(u176,axiom,
( ~ unisex(X0,X1)
| man(X0,X1) ) ).
cnf(u275,negated_conjecture,
( human(skc8,X0)
| ~ nonhuman(skc12,X0) ) ).
cnf(u236,negated_conjecture,
( of(skc12,X0,X1)
| ~ of(skc8,X0,X1) ) ).
cnf(u412,negated_conjecture,
state(skc8,skc10) ).
cnf(u127,axiom,
( ~ accessible_world(X0,X1)
| state(X0,X2)
| ~ state(X1,X2) ) ).
cnf(clause11,axiom,
( ~ abstraction(X0,X1)
| nonhuman(X0,X1) ) ).
cnf(u456,negated_conjecture,
( ~ forename(skc8,X0)
| man(skc12,X0) ) ).
cnf(u407,negated_conjecture,
eventuality(skc8,skc15) ).
cnf(u427,negated_conjecture,
~ smoke(skc8,skc15) ).
cnf(u243,negated_conjecture,
( ~ general(skc8,X0)
| specific(skc12,X0) ) ).
cnf(u420,negated_conjecture,
( state(skc8,X0)
| man(skc12,X0) ) ).
cnf(clause30,axiom,
( ~ jules_forename(X0,X1)
| forename(X0,X1) ) ).
cnf(u689,negated_conjecture,
event(skc8,skc14) ).
cnf(u463,negated_conjecture,
man(skc8,skc9) ).
cnf(u366,negated_conjecture,
abstraction(skc12,skc11) ).
cnf(u134,axiom,
( ~ accessible_world(X0,X1)
| vincent_forename(X0,X2)
| ~ vincent_forename(X1,X2) ) ).
cnf(u438,negated_conjecture,
( ~ forename(skc8,X1)
| ~ forename(skc12,X0)
| entity(skc12,X2)
| X0 = X1
| ~ of(skc8,X0,X2)
| ~ of(skc8,X1,X2) ) ).
cnf(clause17,axiom,
( organism(X0,X1)
| ~ human_person(X0,X1) ) ).
cnf(clause45,axiom,
( ~ think_believe_consider(X0,X2)
| ~ accessible_world(X0,X1)
| think_believe_consider(X1,X2) ) ).
cnf(u206,negated_conjecture,
( impartial(skc12,X0)
| ~ impartial(skc8,X0) ) ).
cnf(u425,negated_conjecture,
( ~ accessible_world(X0,skc12)
| agent(X0,skf2(X1),skf4(skc12)) ) ).
cnf(clause88,negated_conjecture,
of(skc8,skc11,skc10) ).
cnf(u485,negated_conjecture,
man(skc12,skc9) ).
cnf(u494,negated_conjecture,
man(skc12,skc14) ).
cnf(clause48,axiom,
( ~ accessible_world(X0,X1)
| ~ abstraction(X0,X2)
| abstraction(X1,X2) ) ).
cnf(clause47,axiom,
( ~ accessible_world(X0,X1)
| ~ relation(X0,X2)
| relation(X1,X2) ) ).
cnf(u108,axiom,
( ~ entity(X0,X1)
| ~ organism(X0,X1) ) ).
cnf(u328,negated_conjecture,
( ~ human_person(skc8,X0)
| ~ nonhuman(skc12,X0) ) ).
cnf(u212,negated_conjecture,
specific(skc12,skc12) ).
cnf(u224,negated_conjecture,
eventuality(skc12,skc12) ).
cnf(u115,axiom,
( vincent_forename(X0,X1)
| forename(X0,X1) ) ).
cnf(u395,axiom,
( unisex(X0,X1)
| ~ forename(X0,X1) ) ).
cnf(u187,negated_conjecture,
( unisex(skc12,X0)
| ~ unisex(skc8,X0) ) ).
cnf(u518,axiom,
( eventuality(X0,X1)
| ~ forename(X0,X1) ) ).
cnf(u455,axiom,
( ~ forename(X0,X1)
| man(X0,X1) ) ).
cnf(u690,negated_conjecture,
event(skc8,skc11) ).
cnf(u497,negated_conjecture,
man(skc8,skc11) ).
cnf(u178,negated_conjecture,
entity(skc8,skc12) ).
cnf(u354,negated_conjecture,
( ~ unisex(skc12,X0)
| man(skc8,X0) ) ).
cnf(u533,negated_conjecture,
specific(skc8,skc11) ).
cnf(u250,negated_conjecture,
( ~ actual_world(X2)
| present(X0,X1)
| agent(X0,X1,skf4(X0))
| ~ accessible_world(X2,X0)
| ~ proposition(X2,X0)
| theme(X2,X3,X0)
| event(X2,X3)
| present(X2,X3)
| ~ think_believe_consider(X2,X3)
| vincent_forename(X2,X4)
| ~ of(X2,X4,X5)
| man(X2,X5)
| agent(X2,X3,X5)
| ~ jules_forename(X2,X6)
| ~ smoke(X7,X8)
| present(X7,X8)
| agent(X7,X8,X9)
| man(X2,X9)
| ~ of(X2,X6,X9)
| ~ proposition(X2,X7)
| ~ accessible_world(X2,X7)
| ~ think_believe_consider(X2,X10)
| present(X2,X10)
| event(X2,X10)
| theme(X2,X10,X7)
| state(X2,X11)
| vincent_forename(X2,X12)
| ~ of(X2,X12,X13)
| agent(X2,X10,X13)
| ~ be(X2,X11,X13,X13)
| man(X2,X13)
| ~ of(X2,X14,X13)
| ~ jules_forename(X2,X14)
| ~ smoke(X0,X1) ) ).
cnf(u357,negated_conjecture,
( eventuality(skc8,X0)
| man(skc12,X0) ) ).
cnf(u486,negated_conjecture,
man(skc12,skc13) ).
cnf(clause65,axiom,
( ~ accessible_world(X0,X1)
| ~ jules_forename(X0,X2)
| jules_forename(X1,X2) ) ).
cnf(u473,negated_conjecture,
( ~ actual_world(X0)
| theme(X0,X1,skc12)
| event(X0,X1)
| present(X0,X1)
| ~ think_believe_consider(X0,X1)
| vincent_forename(X0,X2)
| ~ of(X0,X2,X3)
| man(X0,X3)
| agent(X0,X1,X3)
| ~ jules_forename(X0,X4)
| ~ smoke(X5,X6)
| present(X5,X6)
| agent(X5,X6,X7)
| man(X0,X7)
| ~ of(X0,X4,X7)
| ~ proposition(X0,X5)
| ~ accessible_world(X0,X5)
| ~ think_believe_consider(X0,X8)
| present(X0,X8)
| event(X0,X8)
| theme(X0,X8,X5)
| state(X0,X9)
| vincent_forename(X0,X10)
| ~ of(X0,X10,X11)
| agent(X0,X8,X11)
| ~ be(X0,X9,X11,X11)
| man(X0,X11)
| ~ of(X0,X12,X11)
| ~ jules_forename(X0,X12)
| ~ proposition(X0,skc12)
| ~ accessible_world(X0,skc12) ) ).
cnf(u137,axiom,
( ~ forename(X0,X2)
| ~ of(X0,X2,X3)
| ~ forename(X0,X1)
| ~ of(X0,X1,X3)
| entity(X0,X3)
| X1 = X2 ) ).
cnf(u197,negated_conjecture,
( general(skc12,X0)
| ~ general(skc8,X0) ) ).
cnf(u260,negated_conjecture,
( ~ of(skc8,skc11,X0)
| ~ forename(skc8,X1)
| ~ of(skc8,X1,X0)
| entity(skc8,X0)
| skc11 = X1 ) ).
cnf(u661,negated_conjecture,
( ~ forename(skc12,X0)
| event(skc8,X0) ) ).
cnf(u649,negated_conjecture,
( ~ proposition(skc12,X0)
| X0 = X1
| theme(skc12,skc13,X0)
| theme(skc12,skc13,X1)
| ~ proposition(skc8,X1) ) ).
cnf(u267,negated_conjecture,
( ~ jules_forename(skc8,X0)
| forename(skc12,X0) ) ).
cnf(u200,negated_conjecture,
( ~ relation(skc8,X0)
| abstraction(skc12,X0) ) ).
cnf(u504,negated_conjecture,
( ~ of(skc8,skc11,X1)
| ~ of(skc12,X0,X1)
| entity(skc12,X1)
| skc11 = X0
| ~ forename(skc12,X0) ) ).
cnf(u327,axiom,
( ~ nonhuman(X0,X1)
| man(X0,X1) ) ).
cnf(u119,axiom,
( existent(X0,X1)
| nonexistent(X0,X1) ) ).
cnf(u499,negated_conjecture,
specific(skc12,skc14) ).
cnf(u399,axiom,
( state(X0,X1)
| man(X0,X1) ) ).
cnf(clause50,axiom,
( ~ accessible_world(X0,X1)
| ~ general(X0,X2)
| general(X1,X2) ) ).
cnf(u223,negated_conjecture,
entity(skc12,skc12) ).
cnf(u235,negated_conjecture,
~ smoke(skc12,skc12) ).
cnf(u703,negated_conjecture,
~ smoke(skc8,skc11) ).
cnf(u122,axiom,
( ~ thing(X1,X2)
| thing(X0,X2)
| ~ accessible_world(X0,X1) ) ).
cnf(u691,negated_conjecture,
( ~ forename(skc8,X0)
| event(skc12,X0) ) ).
cnf(u182,axiom,
( nonexistent(X0,X1)
| entity(X0,X1) ) ).
cnf(u358,negated_conjecture,
( ~ of(skc12,skc11,X0)
| ~ forename(skc12,X1)
| ~ of(skc12,X1,X0)
| entity(skc12,X0)
| skc11 = X1 ) ).
cnf(u226,negated_conjecture,
( ~ existent(skc12,X0)
| existent(skc8,X0) ) ).
cnf(u345,negated_conjecture,
( ~ forename(skc8,X0)
| abstraction(skc12,X0) ) ).
cnf(clause9,axiom,
( ~ relation(X0,X1)
| abstraction(X0,X1) ) ).
cnf(u405,axiom,
( ~ organism(X0,X1)
| eventuality(X0,X1) ) ).
cnf(clause69,axiom,
( ~ accessible_world(X0,X1)
| ~ be(X0,X2,X3,X4)
| be(X1,X2,X3,X4) ) ).
cnf(u611,negated_conjecture,
event(skc12,skc11) ).
cnf(u697,negated_conjecture,
~ smoke(skc12,skc11) ).
cnf(u141,negated_conjecture,
~ event(skc8,skc13) ).
cnf(clause28,axiom,
( ~ relname(X0,X1)
| relation(X0,X1) ) ).
cnf(u100,axiom,
( ~ singleton(X0,X1)
| thing(X0,X1) ) ).
cnf(u132,axiom,
( ~ animate(X1,X2)
| animate(X0,X2)
| ~ accessible_world(X0,X1) ) ).
cnf(u144,negated_conjecture,
~ state(skc8,skc9) ).
cnf(clause35,axiom,
( ~ be(X0,X1,X2,X3)
| X2 = X3 ) ).
cnf(u204,negated_conjecture,
general(skc12,skc12) ).
cnf(u107,axiom,
( human_person(X0,X1)
| man(X0,X1) ) ).
cnf(u503,negated_conjecture,
agent(skc8,skf2(X0),skf4(skc12)) ).
cnf(u610,negated_conjecture,
state(skc12,skc11) ).
cnf(clause54,axiom,
( ~ accessible_world(X0,X1)
| ~ organism(X0,X2)
| organism(X1,X2) ) ).
cnf(u211,negated_conjecture,
( ~ event(skc12,X0)
| event(skc8,X0) ) ).
cnf(u434,negated_conjecture,
eventuality(skc12,skc10) ).
cnf(u98,axiom,
( ~ eventuality(X0,X1)
| event(X0,X1) ) ).
cnf(u126,axiom,
( ~ present(X1,X2)
| present(X0,X2)
| ~ accessible_world(X0,X1) ) ).
cnf(u170,negated_conjecture,
unisex(skc8,skc12) ).
cnf(u277,negated_conjecture,
( vincent_forename(skc8,X0)
| forename(skc12,X0) ) ).
cnf(u230,negated_conjecture,
event(skc12,skc12) ).
cnf(u406,negated_conjecture,
( entity(skc8,X0)
| eventuality(skc12,X0) ) ).
cnf(u113,axiom,
( ~ animate(X0,X1)
| ~ human_person(X0,X1) ) ).
cnf(clause13,axiom,
( ~ abstraction(X0,X1)
| unisex(X0,X1) ) ).
cnf(u393,negated_conjecture,
agent(skc12,skf2(X0),skf4(skc12)) ).
cnf(u185,negated_conjecture,
event(skc8,skc12) ).
cnf(u453,negated_conjecture,
state(skc12,skc10) ).
cnf(u465,negated_conjecture,
man(skc8,skc13) ).
cnf(u532,negated_conjecture,
eventuality(skc12,skc14) ).
cnf(u617,negated_conjecture,
~ forename(skc12,skc10) ).
cnf(u360,negated_conjecture,
( ~ nonhuman(skc12,X0)
| man(skc8,X0) ) ).
cnf(u352,negated_conjecture,
( nonexistent(skc12,X0)
| entity(skc8,X0) ) ).
cnf(u424,negated_conjecture,
man(skc12,skf4(skc12)) ).
cnf(clause49,axiom,
( ~ accessible_world(X0,X1)
| ~ nonhuman(X0,X2)
| nonhuman(X1,X2) ) ).
cnf(u192,negated_conjecture,
man(skc8,skc12) ).
cnf(u419,negated_conjecture,
( eventuality(skc12,X0)
| man(skc8,X0) ) ).
cnf(u704,negated_conjecture,
~ human_person(skc8,skc14) ).
cnf(u143,negated_conjecture,
~ man(skc8,skc10) ).
cnf(u510,negated_conjecture,
~ smoke(skc12,skc15) ).
cnf(u215,negated_conjecture,
( ~ state(skc12,X0)
| state(skc8,X0) ) ).
cnf(u468,negated_conjecture,
man(skc12,skf2(X0)) ).
cnf(u102,axiom,
( ~ nonexistent(X0,X1)
| eventuality(X0,X1) ) ).
cnf(u278,negated_conjecture,
( ~ proposition(skc8,X0)
| abstraction(skc12,X0) ) ).
cnf(u321,axiom,
( eventuality(X0,X1)
| man(X0,X1) ) ).
cnf(u146,negated_conjecture,
~ theme(skc8,skc13,skc12) ).
cnf(u322,negated_conjecture,
( ~ unisex(skc8,X0)
| man(skc12,X0) ) ).
cnf(u265,negated_conjecture,
( ~ of(skc12,X2,X1)
| ~ of(skc12,X0,X1)
| ~ forename(skc12,X2)
| ~ forename(skc8,X0)
| entity(skc12,X1)
| X0 = X2 ) ).
cnf(clause57,axiom,
( ~ accessible_world(X0,X1)
| ~ impartial(X0,X2)
| impartial(X1,X2) ) ).
cnf(u218,negated_conjecture,
( ~ entity(skc12,X0)
| entity(skc8,X0) ) ).
cnf(u394,negated_conjecture,
( ~ think_believe_consider(skc12,X0)
| theme(skc12,X0,X1)
| ~ proposition(skc12,X1)
| theme(skc12,skc13,X2)
| agent(skc12,skc13,X3)
| agent(skc12,X0,X3)
| X1 = X2
| ~ proposition(skc12,X2) ) ).
cnf(u117,axiom,
( ~ general(X0,X1)
| specific(X0,X1) ) ).
cnf(u454,negated_conjecture,
event(skc12,skc10) ).
cnf(u397,axiom,
( nonhuman(X0,X1)
| ~ forename(X0,X1) ) ).
cnf(u189,negated_conjecture,
~ smoke(skc8,skc12) ).
cnf(u484,negated_conjecture,
( event(skc12,X0)
| man(skc8,X0) ) ).
cnf(u579,negated_conjecture,
~ forename(skc8,skc10) ).
cnf(u233,negated_conjecture,
( ~ vincent_forename(skc12,X0)
| vincent_forename(skc8,X0) ) ).
cnf(u120,axiom,
( ~ accessible_world(X0,X1)
| event(X0,X2)
| ~ event(X1,X2) ) ).
cnf(u180,axiom,
( ~ human_person(X0,X1)
| ~ nonhuman(X0,X1) ) ).
cnf(u368,negated_conjecture,
( ~ of(skc12,X0,X1)
| ~ forename(skc12,X2)
| ~ forename(skc8,X0)
| entity(skc12,X1)
| X0 = X2
| ~ of(skc8,X2,X1) ) ).
cnf(u400,axiom,
( event(X0,X1)
| man(X0,X1) ) ).
cnf(u576,axiom,
( ~ organism(X0,X1)
| ~ forename(X0,X1) ) ).
cnf(u604,negated_conjecture,
event(skc12,skc14) ).
cnf(clause27,axiom,
( relname(X0,X1)
| ~ forename(X0,X1) ) ).
cnf(u472,negated_conjecture,
man(skc8,skf4(skc12)) ).
cnf(u351,negated_conjecture,
forename(skc12,skc11) ).
cnf(u530,negated_conjecture,
specific(skc8,skc14) ).
cnf(u467,axiom,
( ~ smoke(X0,X1)
| man(X0,X1) ) ).
cnf(u131,axiom,
( ~ accessible_world(X0,X1)
| human(X0,X2)
| ~ human(X1,X2) ) ).
cnf(clause46,axiom,
( ~ accessible_world(X0,X1)
| ~ proposition(X0,X2)
| proposition(X1,X2) ) ).
cnf(u543,negated_conjecture,
( ~ human_person(skc12,X0)
| eventuality(skc8,X0) ) ).
cnf(u671,negated_conjecture,
~ organism(skc8,skc11) ).
cnf(clause89,negated_conjecture,
be(skc8,skc9,skc10,skc10) ).
cnf(u266,negated_conjecture,
( ~ relname(skc8,X0)
| relation(skc12,X0) ) ).
cnf(u150,negated_conjecture,
( ~ agent(skc12,skf2(X0),X0)
| man(skc12,X0) ) ).
cnf(u605,negated_conjecture,
entity(skc8,skc11) ).
cnf(u194,negated_conjecture,
( ~ abstraction(skc8,X0)
| abstraction(skc12,X0) ) ).
cnf(u498,negated_conjecture,
man(skc8,skc14) ).
cnf(u441,negated_conjecture,
event(skc12,skc15) ).
cnf(u105,axiom,
( ~ eventuality(X0,X1)
| state(X0,X1) ) ).
cnf(u429,negated_conjecture,
~ smoke(skc8,skc10) ).
cnf(u209,negated_conjecture,
( relname(skc12,X0)
| ~ relname(skc8,X0) ) ).
cnf(u237,negated_conjecture,
man(skc12,skc12) ).
cnf(u124,axiom,
( ~ accessible_world(X0,X1)
| specific(X0,X2)
| ~ specific(X1,X2) ) ).
cnf(u168,negated_conjecture,
relation(skc8,skc12) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : NLP254-1 : TPTP v9.3.1. Released v2.4.0.
% 0.00/0.06 % Command : run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 SAT
% 0.14/0.39 % Computer : n002.cluster.edu
% 0.14/0.39 % Model : x86_64 x86_64
% 0.14/0.39 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.39 % Memory : 8046.5625MB
% 0.14/0.39 % OS : Linux 6.8.0-71-generic
% 0.14/0.39 % CPULimit : 300
% 0.14/0.39 % WCLimit : 300
% 0.14/0.39 % DateTime : Sun Sep 27 18:39:51 UTC 2026
% 0.14/0.39 % CPUTime :
% 0.14/0.39 Running run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 SAT
% 0.14/0.42 Running first-order model finding
% 0.14/0.42 Running: /export/starexec/sandbox/solver/bin/vampire-ho --input_syntax tptp --output_axiom_names on --mode casc --intent sat -m 16384 --cores 7 -t 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.17/0.48 % (3803172)Will run a generic schedule for satisfiability detection.
% 0.17/0.48 % (3803183)% WARNING: option uhcvi not known.
% 0.17/0.48 % (3803183)dis+11_61:31_drc=ordering:lsd=5:bsr=unit_only:rp=on:newcnf=on:random_seed=714617949:i=135531:add=off:rawr=on_2999 on theBenchmark for (2999ds/135531Mi)
% 0.17/0.48 % (3803182)fmb+10_1_sas=cadical:bce=on:rp=on:random_seed=3166775013_2999 on theBenchmark for (2999ds/0Mi)
% 0.17/0.48 % (3803186)ott+31_1_sil=16000:lcm=predicate:bce=on:newcnf=on:random_seed=1501560534:i=116_2999 on theBenchmark for (2999ds/116Mi)
% 0.17/0.48 % (3803187)ott+1_1_to=lpo:sil=16000:sp=reverse_arity:erd=off:random_seed=726185788:i=131_2999 on theBenchmark for (2999ds/131Mi)
% 0.17/0.48 % (3803184)dis+10_161_sil=256000:plsq=on:plsqr=61199697,1048576:gs=on:alpa=true:sac=on:slsq=on:cn=on:random_seed=1849586555:i=88024:add=on:rawr=on_2999 on theBenchmark for (2999ds/88024Mi)
% 0.17/0.48 % (3803185)dis+10_1_sil=32000:sp=arity:random_seed=2325678432:i=103:fgj=on_2999 on theBenchmark for (2999ds/103Mi)
% 0.17/0.48 % (3803188)ott-3_16_to=lpo:sil=16000:sp=arity:fd=off:rp=on:random_seed=2391685122:i=159:bs=unit_only:nicw=on:fsr=off:amm=off_2999 on theBenchmark for (2999ds/159Mi)
% 0.17/0.48 % TRYING [1]
% 0.17/0.48 % TRYING [2]
% 0.17/0.48 % (3803183) found proof, printing to "/export/starexec/sandbox/tmp/vampire-proof-3803172-3803183"...
% 0.17/0.48 % TRYING [3]
% 0.17/0.48 % (3803183)...printing done.
% 0.17/0.48 % SZS status Satisfiable for theBenchmark
% 0.17/0.48 % SZS output start Saturation.
% See solution above
% 0.17/0.49 % SZS output start Definitions and Model Updates.
% 0.17/0.49 globally flip the polarity of every occurrence of predicate "theme"
% 0.17/0.49 globally flip the polarity of every occurrence of predicate "agent"
% 0.17/0.49 globally flip the polarity of every occurrence of predicate "present"
% 0.17/0.49 globally flip the polarity of every occurrence of predicate "vincent_forename"
% 0.17/0.49 globally flip the polarity of every occurrence of predicate "male"
% 0.17/0.49 globally flip the polarity of every occurrence of predicate "animate"
% 0.17/0.49 globally flip the polarity of every occurrence of predicate "human"
% 0.17/0.49 globally flip the polarity of every occurrence of predicate "existent"
% 0.17/0.49 globally flip the polarity of every occurrence of predicate "entity"
% 0.17/0.49 globally flip the polarity of every occurrence of predicate "man"
% 0.17/0.49 globally flip the polarity of every occurrence of predicate "state"
% 0.17/0.49 globally flip the polarity of every occurrence of predicate "nonexistent"
% 0.17/0.49 globally flip the polarity of every occurrence of predicate "specific"
% 0.17/0.49 globally flip the polarity of every occurrence of predicate "singleton"
% 0.17/0.49 globally flip the polarity of every occurrence of predicate "thing"
% 0.17/0.49 globally flip the polarity of every occurrence of predicate "eventuality"
% 0.17/0.49 globally flip the polarity of every occurrence of predicate "event"
% 0.17/0.49 % SZS output end Definitions and Model Updates.
% 0.17/0.49 % (3803183)------------------------------
% 0.17/0.49 % (3803183)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 0.17/0.49 % (3803183)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.17/0.49 % (3803183)CaDiCaL version: 2.1.3
% 0.17/0.49 % (3803183)Termination reason: Satisfiable
% 0.17/0.49 % (3803183)Time elapsed: 0.015 s
% 0.17/0.49 % (3803183)Peak memory usage: 12 MB
% 0.17/0.49 % (3803183)Instructions burned: 38 (million)
% 0.17/0.49 % (3803172)Success in time 0.057 s
% 0.17/0.49 % Vampire exiting
%------------------------------------------------------------------------------