%------------------------------------------------------------------------------
% File : Drodi---4.1.1
% Problem : SWV453+1 : TPTP v9.3.1. Released v4.0.0.
% Transfm : none
% Format : tptp:raw
% Command : drodi -timeout(300) /export/starexec/sandbox/benchmark/theBenchmark.p
% Computer : n003.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 : Thu Sep 24 02:47:58 PM UTC 2026
% Result : Theorem 0.19s 0.81s
% Output : CNFRefutation 0.19s
% Verified :
% SZS Type : Refutation
% Derivation depth : 18
% Number of leaves : 3
% Syntax : Number of formulae : 48 ( 19 unt; 1 def)
% Number of atoms : 399 ( 184 equ)
% Maximal formula atoms : 50 ( 8 avg)
% Number of connectives : 566 ( 215 ~; 145 |; 168 &)
% ( 2 <=>; 36 =>; 0 <=; 0 <~>)
% Maximal formula depth : 33 ( 7 avg)
% Maximal term depth : 4 ( 1 avg)
% Number of predicates : 6 ( 4 usr; 1 prp; 0-2 aty)
% Number of functors : 24 ( 24 usr; 16 con; 0-2 aty)
% Number of variables : 192 ( 168 !; 24 ?)
% Comments :
%------------------------------------------------------------------------------
fof(f47,axiom,
! [X,Y,Q] :
( elem(X,cons(Y,Q))
<=> ( elem(X,Q)
| X = Y ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f67,conjecture,
! [V,W,X,Y] :
( ( queue(host(X)) = cons(m_Down(Y),V)
& ! [Z,Pid30,Pid20,Pid0] :
( ( host(Pid0) = host(Pid20)
& host(Pid30) = host(Z)
& setIn(Pid20,alive)
& setIn(Z,alive)
& host(Pid20) != host(Z) )
=> ~ ( elem(m_Down(Pid30),queue(host(Pid20)))
& elem(m_Down(Pid0),queue(host(Z))) ) )
& ! [Z,Pid0] :
( ( host(Pid0) = host(Z)
& Pid0 != Z )
=> ( ~ setIn(Pid0,alive)
| ~ setIn(Z,alive) ) )
& ! [Z,Pid0] :
( ( host(Pid0) = host(Z)
& leq(Pid0,Z)
& ~ setIn(Z,alive) )
=> ~ setIn(Pid0,alive) )
& ! [Z,Pid20,Pid0] :
( elem(m_Ack(Pid0,Z),queue(host(Pid20)))
=> ~ leq(host(Z),host(Pid0)) )
& ! [Z,Pid0] :
( elem(m_Halt(Pid0),queue(host(Z)))
=> ~ leq(host(Z),host(Pid0)) )
& ! [Z,Pid0] :
( elem(m_Down(Pid0),queue(host(Z)))
=> host(Pid0) != host(Z) )
& ! [Z,Pid0] :
( elem(m_Down(Pid0),queue(host(Z)))
=> ~ setIn(Pid0,alive) )
& ! [Z,Pid0] :
( setIn(Pid0,alive)
=> ~ elem(m_Down(Pid0),queue(host(Z))) ) )
=> ( setIn(X,alive)
=> ( ~ leq(host(X),host(Y))
=> ( ( ( host(Y) = host(index(elid,host(X)))
& index(status,host(X)) = wait )
| ( index(status,host(X)) = norm
& index(ldr,host(X)) = host(Y) ) )
=> ( ( host(X) = host(W)
& ~ setIn(W,pids)
& ! [Z] :
( host(X) = host(Z)
=> leq(Z,W) ) )
=> ( host(W) != s(zero)
=> ! [Z] :
( host(X) != host(Z)
=> ! [X0,Y0] :
( host(X) = host(Y0)
=> ! [Z0] :
( ( host(Z0) = host(Y0)
& host(X0) = host(Z)
& host(Y0) != host(Z)
& ( Y0 = W
| ( setIn(Y0,alive)
& Y0 != X ) )
& ( Z = W
| ( setIn(Z,alive)
& Z != X ) ) )
=> ~ ( elem(m_Down(Z0),queue(host(Z)))
& elem(m_Down(X0),V) ) ) ) ) ) ) ) ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f68,negated_conjecture,
~ ! [V,W,X,Y] :
( ( queue(host(X)) = cons(m_Down(Y),V)
& ! [Z,Pid30,Pid20,Pid0] :
( ( host(Pid0) = host(Pid20)
& host(Pid30) = host(Z)
& setIn(Pid20,alive)
& setIn(Z,alive)
& host(Pid20) != host(Z) )
=> ~ ( elem(m_Down(Pid30),queue(host(Pid20)))
& elem(m_Down(Pid0),queue(host(Z))) ) )
& ! [Z,Pid0] :
( ( host(Pid0) = host(Z)
& Pid0 != Z )
=> ( ~ setIn(Pid0,alive)
| ~ setIn(Z,alive) ) )
& ! [Z,Pid0] :
( ( host(Pid0) = host(Z)
& leq(Pid0,Z)
& ~ setIn(Z,alive) )
=> ~ setIn(Pid0,alive) )
& ! [Z,Pid20,Pid0] :
( elem(m_Ack(Pid0,Z),queue(host(Pid20)))
=> ~ leq(host(Z),host(Pid0)) )
& ! [Z,Pid0] :
( elem(m_Halt(Pid0),queue(host(Z)))
=> ~ leq(host(Z),host(Pid0)) )
& ! [Z,Pid0] :
( elem(m_Down(Pid0),queue(host(Z)))
=> host(Pid0) != host(Z) )
& ! [Z,Pid0] :
( elem(m_Down(Pid0),queue(host(Z)))
=> ~ setIn(Pid0,alive) )
& ! [Z,Pid0] :
( setIn(Pid0,alive)
=> ~ elem(m_Down(Pid0),queue(host(Z))) ) )
=> ( setIn(X,alive)
=> ( ~ leq(host(X),host(Y))
=> ( ( ( host(Y) = host(index(elid,host(X)))
& index(status,host(X)) = wait )
| ( index(status,host(X)) = norm
& index(ldr,host(X)) = host(Y) ) )
=> ( ( host(X) = host(W)
& ~ setIn(W,pids)
& ! [Z] :
( host(X) = host(Z)
=> leq(Z,W) ) )
=> ( host(W) != s(zero)
=> ! [Z] :
( host(X) != host(Z)
=> ! [X0,Y0] :
( host(X) = host(Y0)
=> ! [Z0] :
( ( host(Z0) = host(Y0)
& host(X0) = host(Z)
& host(Y0) != host(Z)
& ( Y0 = W
| ( setIn(Y0,alive)
& Y0 != X ) )
& ( Z = W
| ( setIn(Z,alive)
& Z != X ) ) )
=> ~ ( elem(m_Down(Z0),queue(host(Z)))
& elem(m_Down(X0),V) ) ) ) ) ) ) ) ) ) ),
inference(negated_conjecture,[status(cth)],[f67]) ).
fof(f138,plain,
! [X,Y,Q] :
( ( ( ~ elem(X,Q)
& X != Y )
| elem(X,cons(Y,Q)) )
& ( elem(X,Q)
| X = Y
| ~ elem(X,cons(Y,Q)) ) ),
inference(NNF_transformation,[status(thm)],[f47]) ).
fof(f139,plain,
( ! [X,Y,Q] :
( ( ~ elem(X,Q)
& X != Y )
| elem(X,cons(Y,Q)) )
& ! [X,Y,Q] :
( elem(X,Q)
| X = Y
| ~ elem(X,cons(Y,Q)) ) ),
inference(miniscoping,[status(thm)],[f138]) ).
fof(f142,plain,
! [X0,X1,X2] :
( ~ elem(X0,X2)
| elem(X0,cons(X1,X2)) ),
inference(cnf_transformation,[status(thm)],[f139]) ).
fof(f212,plain,
? [V,W,X,Y] :
( ? [Z] :
( ? [X0,Y0] :
( ? [Z0] :
( elem(m_Down(Z0),queue(host(Z)))
& elem(m_Down(X0),V)
& host(Z0) = host(Y0)
& host(X0) = host(Z)
& host(Y0) != host(Z)
& ( Y0 = W
| ( setIn(Y0,alive)
& Y0 != X ) )
& ( Z = W
| ( setIn(Z,alive)
& Z != X ) ) )
& host(X) = host(Y0) )
& host(X) != host(Z) )
& host(W) != s(zero)
& host(X) = host(W)
& ~ setIn(W,pids)
& ! [Z] :
( leq(Z,W)
| host(X) != host(Z) )
& ( ( host(Y) = host(index(elid,host(X)))
& index(status,host(X)) = wait )
| ( index(status,host(X)) = norm
& index(ldr,host(X)) = host(Y) ) )
& ~ leq(host(X),host(Y))
& setIn(X,alive)
& queue(host(X)) = cons(m_Down(Y),V)
& ! [Z,Pid30,Pid20,Pid0] :
( ~ elem(m_Down(Pid30),queue(host(Pid20)))
| ~ elem(m_Down(Pid0),queue(host(Z)))
| host(Pid0) != host(Pid20)
| host(Pid30) != host(Z)
| ~ setIn(Pid20,alive)
| ~ setIn(Z,alive)
| host(Pid20) = host(Z) )
& ! [Z,Pid0] :
( ~ setIn(Pid0,alive)
| ~ setIn(Z,alive)
| host(Pid0) != host(Z)
| Pid0 = Z )
& ! [Z,Pid0] :
( ~ setIn(Pid0,alive)
| host(Pid0) != host(Z)
| ~ leq(Pid0,Z)
| setIn(Z,alive) )
& ! [Z,Pid20,Pid0] :
( ~ leq(host(Z),host(Pid0))
| ~ elem(m_Ack(Pid0,Z),queue(host(Pid20))) )
& ! [Z,Pid0] :
( ~ leq(host(Z),host(Pid0))
| ~ elem(m_Halt(Pid0),queue(host(Z))) )
& ! [Z,Pid0] :
( host(Pid0) != host(Z)
| ~ elem(m_Down(Pid0),queue(host(Z))) )
& ! [Z,Pid0] :
( ~ setIn(Pid0,alive)
| ~ elem(m_Down(Pid0),queue(host(Z))) )
& ! [Z,Pid0] :
( ~ elem(m_Down(Pid0),queue(host(Z)))
| ~ setIn(Pid0,alive) ) ),
inference(pre_NNF_transformation,[status(thm)],[f68]) ).
fof(f213,definition,
! [X,Y] :
( sP0_prd(Y,X)
<=> ( index(status,host(X)) = norm
& index(ldr,host(X)) = host(Y) ) ),
introduced(definition,[new_symbols(definition,[sP0_prd])],[]) ).
fof(f214,plain,
? [V,W,X,Y] :
( ? [Z] :
( ? [X0,Y0] :
( ? [Z0] :
( elem(m_Down(Z0),queue(host(Z)))
& elem(m_Down(X0),V)
& host(Z0) = host(Y0)
& host(X0) = host(Z)
& host(Y0) != host(Z)
& ( Y0 = W
| ( setIn(Y0,alive)
& Y0 != X ) )
& ( Z = W
| ( setIn(Z,alive)
& Z != X ) ) )
& host(X) = host(Y0) )
& host(X) != host(Z) )
& host(W) != s(zero)
& host(X) = host(W)
& ~ setIn(W,pids)
& ! [Z] :
( leq(Z,W)
| host(X) != host(Z) )
& ( ( host(Y) = host(index(elid,host(X)))
& index(status,host(X)) = wait )
| sP0_prd(Y,X) )
& ~ leq(host(X),host(Y))
& setIn(X,alive)
& queue(host(X)) = cons(m_Down(Y),V)
& ! [Z,Pid30,Pid20,Pid0] :
( ~ elem(m_Down(Pid30),queue(host(Pid20)))
| ~ elem(m_Down(Pid0),queue(host(Z)))
| host(Pid0) != host(Pid20)
| host(Pid30) != host(Z)
| ~ setIn(Pid20,alive)
| ~ setIn(Z,alive)
| host(Pid20) = host(Z) )
& ! [Z,Pid0] :
( ~ setIn(Pid0,alive)
| ~ setIn(Z,alive)
| host(Pid0) != host(Z)
| Pid0 = Z )
& ! [Z,Pid0] :
( ~ setIn(Pid0,alive)
| host(Pid0) != host(Z)
| ~ leq(Pid0,Z)
| setIn(Z,alive) )
& ! [Z,Pid20,Pid0] :
( ~ leq(host(Z),host(Pid0))
| ~ elem(m_Ack(Pid0,Z),queue(host(Pid20))) )
& ! [Z,Pid0] :
( ~ leq(host(Z),host(Pid0))
| ~ elem(m_Halt(Pid0),queue(host(Z))) )
& ! [Z,Pid0] :
( host(Pid0) != host(Z)
| ~ elem(m_Down(Pid0),queue(host(Z))) )
& ! [Z,Pid0] :
( ~ setIn(Pid0,alive)
| ~ elem(m_Down(Pid0),queue(host(Z))) )
& ! [Z,Pid0] :
( ~ elem(m_Down(Pid0),queue(host(Z)))
| ~ setIn(Pid0,alive) ) ),
inference(formula_renaming,[status(thm)],[f212,f213]) ).
fof(f215,plain,
? [V,X,Y] :
( ? [W] :
( ? [Z] :
( ? [Y0] :
( ? [X0,Z0] :
( elem(m_Down(Z0),queue(host(Z)))
& elem(m_Down(X0),V)
& host(Z0) = host(Y0)
& host(X0) = host(Z)
& host(Y0) != host(Z)
& ( Y0 = W
| ( setIn(Y0,alive)
& Y0 != X ) )
& ( Z = W
| ( setIn(Z,alive)
& Z != X ) ) )
& host(X) = host(Y0) )
& host(X) != host(Z) )
& host(W) != s(zero)
& host(X) = host(W)
& ~ setIn(W,pids)
& ! [Z] :
( leq(Z,W)
| host(X) != host(Z) ) )
& ( ( host(Y) = host(index(elid,host(X)))
& index(status,host(X)) = wait )
| sP0_prd(Y,X) )
& ~ leq(host(X),host(Y))
& setIn(X,alive)
& queue(host(X)) = cons(m_Down(Y),V)
& ! [Z,Pid30,Pid20,Pid0] :
( ~ elem(m_Down(Pid30),queue(host(Pid20)))
| ~ elem(m_Down(Pid0),queue(host(Z)))
| host(Pid0) != host(Pid20)
| host(Pid30) != host(Z)
| ~ setIn(Pid20,alive)
| ~ setIn(Z,alive)
| host(Pid20) = host(Z) )
& ! [Z,Pid0] :
( ~ setIn(Pid0,alive)
| ~ setIn(Z,alive)
| host(Pid0) != host(Z)
| Pid0 = Z )
& ! [Pid0] :
( ~ setIn(Pid0,alive)
| ! [Z] :
( host(Pid0) != host(Z)
| ~ leq(Pid0,Z)
| setIn(Z,alive) ) )
& ! [Z,Pid0] :
( ~ leq(host(Z),host(Pid0))
| ! [Pid20] : ~ elem(m_Ack(Pid0,Z),queue(host(Pid20))) )
& ! [Z,Pid0] :
( ~ leq(host(Z),host(Pid0))
| ~ elem(m_Halt(Pid0),queue(host(Z))) )
& ! [Z,Pid0] :
( host(Pid0) != host(Z)
| ~ elem(m_Down(Pid0),queue(host(Z))) )
& ! [Pid0] :
( ~ setIn(Pid0,alive)
| ! [Z] : ~ elem(m_Down(Pid0),queue(host(Z))) )
& ! [Pid0] :
( ! [Z] : ~ elem(m_Down(Pid0),queue(host(Z)))
| ~ setIn(Pid0,alive) ) ),
inference(miniscoping,[status(thm)],[f214]) ).
fof(f216,plain,
( elem(m_Down(sK11_skl),queue(host(sK8_skl)))
& elem(m_Down(sK10_skl),sK4_skl)
& host(sK11_skl) = host(sK9_skl)
& host(sK10_skl) = host(sK8_skl)
& host(sK9_skl) != host(sK8_skl)
& ( sK9_skl = sK7_skl
| ( setIn(sK9_skl,alive)
& sK9_skl != sK5_skl ) )
& ( sK8_skl = sK7_skl
| ( setIn(sK8_skl,alive)
& sK8_skl != sK5_skl ) )
& host(sK5_skl) = host(sK9_skl)
& host(sK5_skl) != host(sK8_skl)
& host(sK7_skl) != s(zero)
& host(sK5_skl) = host(sK7_skl)
& ~ setIn(sK7_skl,pids)
& ! [Z] :
( leq(Z,sK7_skl)
| host(sK5_skl) != host(Z) )
& ( ( host(sK6_skl) = host(index(elid,host(sK5_skl)))
& index(status,host(sK5_skl)) = wait )
| sP0_prd(sK6_skl,sK5_skl) )
& ~ leq(host(sK5_skl),host(sK6_skl))
& setIn(sK5_skl,alive)
& queue(host(sK5_skl)) = cons(m_Down(sK6_skl),sK4_skl)
& ! [Z,Pid30,Pid20,Pid0] :
( ~ elem(m_Down(Pid30),queue(host(Pid20)))
| ~ elem(m_Down(Pid0),queue(host(Z)))
| host(Pid0) != host(Pid20)
| host(Pid30) != host(Z)
| ~ setIn(Pid20,alive)
| ~ setIn(Z,alive)
| host(Pid20) = host(Z) )
& ! [Z,Pid0] :
( ~ setIn(Pid0,alive)
| ~ setIn(Z,alive)
| host(Pid0) != host(Z)
| Pid0 = Z )
& ! [Pid0] :
( ~ setIn(Pid0,alive)
| ! [Z] :
( host(Pid0) != host(Z)
| ~ leq(Pid0,Z)
| setIn(Z,alive) ) )
& ! [Z,Pid0] :
( ~ leq(host(Z),host(Pid0))
| ! [Pid20] : ~ elem(m_Ack(Pid0,Z),queue(host(Pid20))) )
& ! [Z,Pid0] :
( ~ leq(host(Z),host(Pid0))
| ~ elem(m_Halt(Pid0),queue(host(Z))) )
& ! [Z,Pid0] :
( host(Pid0) != host(Z)
| ~ elem(m_Down(Pid0),queue(host(Z))) )
& ! [Pid0] :
( ~ setIn(Pid0,alive)
| ! [Z] : ~ elem(m_Down(Pid0),queue(host(Z))) )
& ! [Pid0] :
( ! [Z] : ~ elem(m_Down(Pid0),queue(host(Z)))
| ~ setIn(Pid0,alive) ) ),
inference(skolemize,[status(esa),new_symbols(skolem,[sK4_skl,sK5_skl,sK6_skl,sK7_skl,sK8_skl,sK9_skl,sK10_skl,sK11_skl]),skolemize(V,sK4_skl),skolemize(X,sK5_skl),skolemize(Y,sK6_skl),skolemize(W,sK7_skl),skolemize(Z,sK8_skl),skolemize(Y0,sK9_skl),skolemize(X0,sK10_skl),skolemize(Z0,sK11_skl)],[f215]) ).
fof(f222,plain,
! [X0,X1] :
( ~ setIn(X1,alive)
| host(X1) != host(X0)
| ~ leq(X1,X0)
| setIn(X0,alive) ),
inference(cnf_transformation,[status(thm)],[f216]) ).
fof(f223,plain,
! [X0,X1] :
( ~ setIn(X0,alive)
| ~ setIn(X1,alive)
| host(X0) != host(X1)
| X0 = X1 ),
inference(cnf_transformation,[status(thm)],[f216]) ).
fof(f224,plain,
! [X0,X1,X2,X3] :
( ~ elem(m_Down(X2),queue(host(X0)))
| ~ elem(m_Down(X3),queue(host(X1)))
| host(X3) != host(X0)
| host(X2) != host(X1)
| ~ setIn(X0,alive)
| ~ setIn(X1,alive)
| host(X0) = host(X1) ),
inference(cnf_transformation,[status(thm)],[f216]) ).
fof(f225,plain,
queue(host(sK5_skl)) = cons(m_Down(sK6_skl),sK4_skl),
inference(cnf_transformation,[status(thm)],[f216]) ).
fof(f226,plain,
setIn(sK5_skl,alive),
inference(cnf_transformation,[status(thm)],[f216]) ).
fof(f230,plain,
! [X0] :
( leq(X0,sK7_skl)
| host(sK5_skl) != host(X0) ),
inference(cnf_transformation,[status(thm)],[f216]) ).
fof(f232,plain,
host(sK5_skl) = host(sK7_skl),
inference(cnf_transformation,[status(thm)],[f216]) ).
fof(f234,plain,
host(sK5_skl) != host(sK8_skl),
inference(cnf_transformation,[status(thm)],[f216]) ).
fof(f235,plain,
host(sK5_skl) = host(sK9_skl),
inference(cnf_transformation,[status(thm)],[f216]) ).
fof(f237,plain,
( sK8_skl = sK7_skl
| setIn(sK8_skl,alive) ),
inference(cnf_transformation,[status(thm)],[f216]) ).
fof(f241,plain,
host(sK10_skl) = host(sK8_skl),
inference(cnf_transformation,[status(thm)],[f216]) ).
fof(f242,plain,
host(sK11_skl) = host(sK9_skl),
inference(cnf_transformation,[status(thm)],[f216]) ).
fof(f243,plain,
elem(m_Down(sK10_skl),sK4_skl),
inference(cnf_transformation,[status(thm)],[f216]) ).
fof(f244,plain,
elem(m_Down(sK11_skl),queue(host(sK8_skl))),
inference(cnf_transformation,[status(thm)],[f216]) ).
fof(f299,plain,
host(sK11_skl) = host(sK5_skl),
inference(forward_demodulation,[status(thm)],[f235,f242]) ).
fof(f359,plain,
! [X0] : elem(m_Down(sK10_skl),cons(X0,sK4_skl)),
inference(resolution,[status(thm)],[f142,f243]) ).
fof(f471,plain,
! [X0] :
( ~ setIn(X0,alive)
| host(X0) != host(sK5_skl)
| X0 = sK5_skl ),
inference(resolution,[status(thm)],[f223,f226]) ).
fof(f574,plain,
elem(m_Down(sK10_skl),queue(host(sK5_skl))),
inference(paramodulation,[status(thm)],[f225,f359]) ).
fof(f629,plain,
leq(sK5_skl,sK7_skl),
inference(equality_resolution,[status(thm)],[f230]) ).
fof(f649,plain,
! [X0,X1] :
( ~ elem(m_Down(X1),queue(host(X0)))
| host(sK11_skl) != host(X0)
| host(X1) != host(sK8_skl)
| ~ setIn(X0,alive)
| ~ setIn(sK8_skl,alive)
| host(X0) = host(sK8_skl) ),
inference(resolution,[status(thm)],[f244,f224]) ).
fof(f654,plain,
! [X0,X1] :
( ~ elem(m_Down(X1),queue(host(X0)))
| host(sK5_skl) != host(X0)
| host(X1) != host(sK8_skl)
| ~ setIn(X0,alive)
| ~ setIn(sK8_skl,alive)
| host(X0) = host(sK8_skl) ),
inference(forward_demodulation,[status(thm)],[f299,f649]) ).
fof(f659,plain,
( ~ setIn(sK5_skl,alive)
| host(sK5_skl) != host(sK7_skl)
| setIn(sK7_skl,alive) ),
inference(resolution,[status(thm)],[f629,f222]) ).
fof(f661,plain,
( ~ setIn(sK5_skl,alive)
| host(sK5_skl) != host(sK5_skl)
| setIn(sK7_skl,alive) ),
inference(forward_demodulation,[status(thm)],[f232,f659]) ).
fof(f662,plain,
( ~ setIn(sK5_skl,alive)
| setIn(sK7_skl,alive) ),
inference(trivial_equality_resolution,[status(thm)],[f661]) ).
fof(f663,plain,
setIn(sK7_skl,alive),
inference(forward_subsumption_resolution,[status(thm)],[f662,f226]) ).
fof(f1538,plain,
( host(sK7_skl) != host(sK5_skl)
| sK7_skl = sK5_skl ),
inference(resolution,[status(thm)],[f471,f663]) ).
fof(f1541,plain,
( host(sK5_skl) != host(sK5_skl)
| sK7_skl = sK5_skl ),
inference(forward_demodulation,[status(thm)],[f232,f1538]) ).
fof(f1542,plain,
sK7_skl = sK5_skl,
inference(trivial_equality_resolution,[status(thm)],[f1541]) ).
fof(f1562,plain,
( sK8_skl = sK5_skl
| setIn(sK8_skl,alive) ),
inference(backward_demodulation,[status(thm)],[f1542,f237]) ).
fof(f2083,plain,
( host(sK5_skl) != host(sK5_skl)
| host(sK10_skl) != host(sK8_skl)
| ~ setIn(sK5_skl,alive)
| ~ setIn(sK8_skl,alive)
| host(sK5_skl) = host(sK8_skl) ),
inference(resolution,[status(thm)],[f654,f574]) ).
fof(f2088,plain,
( host(sK5_skl) != host(sK5_skl)
| host(sK8_skl) != host(sK8_skl)
| ~ setIn(sK5_skl,alive)
| ~ setIn(sK8_skl,alive)
| host(sK5_skl) = host(sK8_skl) ),
inference(forward_demodulation,[status(thm)],[f241,f2083]) ).
fof(f2089,plain,
( ~ setIn(sK5_skl,alive)
| ~ setIn(sK8_skl,alive)
| host(sK5_skl) = host(sK8_skl) ),
inference(trivial_equality_resolution,[status(thm)],[f2088]) ).
fof(f2090,plain,
( ~ setIn(sK5_skl,alive)
| ~ setIn(sK8_skl,alive) ),
inference(forward_subsumption_resolution,[status(thm)],[f2089,f234]) ).
fof(f2859,plain,
sK8_skl = sK5_skl,
inference(backward_subsumption_resolution,[status(thm)],[f1562,f2860]) ).
fof(f2860,plain,
~ setIn(sK8_skl,alive),
inference(forward_subsumption_resolution,[status(thm)],[f2090,f226]) ).
fof(f2861,plain,
~ setIn(sK5_skl,alive),
inference(backward_demodulation,[status(thm)],[f2859,f2860]) ).
fof(f2871,plain,
$false,
inference(forward_subsumption_resolution,[status(thm)],[f2861,f226]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.02 % Problem : SWV453+1 : TPTP v9.3.1. Released v4.0.0.
% 0.00/0.03 % Command : drodi -timeout(300) /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.09/0.51 % Computer : n003.cluster.edu
% 0.09/0.51 % Model : x86_64 x86_64
% 0.09/0.51 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.09/0.51 % Memory : 8046.5625MB
% 0.09/0.51 % OS : Linux 6.8.0-71-generic
% 0.09/0.51 % CPULimit : 300
% 0.09/0.51 % WCLimit : 300
% 0.09/0.51 % DateTime : Mon Sep 21 08:53:47 UTC 2026
% 0.09/0.51 % CPUTime :
% 0.09/0.53 % Drodi V4.1.1
% 0.19/0.81 % Refutation found
% 0.19/0.81 % SZS status Theorem for theBenchmark: Theorem is valid
% 0.19/0.81 % SZS output start CNFRefutation for theBenchmark
% See solution above
% 0.19/0.84 % Elapsed time: 0.306365 seconds
% 0.19/0.84 % CPU time: 2.142781 seconds
% 0.19/0.84 % Total memory used: 138.424 MB
% 0.19/0.84 % Net memory used: 134.299 MB
%------------------------------------------------------------------------------