%------------------------------------------------------------------------------
% File : Drodi---4.1.1
% Problem : CSR017+1 : TPTP v9.3.1. Bugfixed v3.1.0.
% Transfm : none
% Format : tptp:raw
% Command : drodi -timeout(300) /export/starexec/sandbox/benchmark/theBenchmark.p
% Computer : n001.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 12:12:50 PM UTC 2026
% Result : Theorem 0.20s 0.81s
% Output : CNFRefutation 0.20s
% Verified :
% SZS Type : Refutation
% Derivation depth : 21
% Number of leaves : 19
% Syntax : Number of formulae : 101 ( 29 unt; 4 def)
% Number of atoms : 352 ( 142 equ)
% Maximal formula atoms : 10 ( 3 avg)
% Number of connectives : 378 ( 127 ~; 149 |; 87 &)
% ( 14 <=>; 1 =>; 0 <=; 0 <~>)
% Maximal formula depth : 10 ( 5 avg)
% Maximal term depth : 2 ( 1 avg)
% Number of predicates : 12 ( 10 usr; 1 prp; 0-3 aty)
% Number of functors : 10 ( 10 usr; 8 con; 0-2 aty)
% Number of variables : 147 ( 144 !; 3 ?)
% Comments :
%------------------------------------------------------------------------------
fof(f6,axiom,
! [Fluent,Time] :
( ( ~ ? [Event] :
( initiates(Event,Fluent,Time)
& happens(Event,Time) )
& ~ releasedAt(Fluent,plus(Time,n1))
& ~ holdsAt(Fluent,Time) )
=> ~ holdsAt(Fluent,plus(Time,n1)) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f13,axiom,
! [Event,Fluent,Time] :
( initiates(Event,Fluent,Time)
<=> ( ( happens(push,Time)
& Fluent = spinning
& Event = pull )
| ( ~ happens(push,Time)
& Fluent = backwards
& Event = pull )
| ( ~ happens(pull,Time)
& Fluent = forwards
& Event = push ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f16,axiom,
! [Event,Time] :
( happens(Event,Time)
<=> ( ( Time = n2
& Event = push )
| ( Time = n2
& Event = pull )
| ( Time = n1
& Event = pull )
| ( Time = n0
& Event = push ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f17,axiom,
push != pull,
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f19,axiom,
forwards != spinning,
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f20,axiom,
spinning != backwards,
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f22,axiom,
plus(n0,n1) = n1,
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f32,axiom,
! [X,Y] :
( less_or_equal(X,Y)
<=> ( X = Y
| less(X,Y) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f33,axiom,
~ ? [X] : less(X,n0),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f34,axiom,
! [X] :
( less(X,n1)
<=> less_or_equal(X,n0) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f35,axiom,
! [X] :
( less(X,n2)
<=> less_or_equal(X,n1) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f43,axiom,
! [X,Y] :
( less(X,Y)
<=> ( Y != X
& ~ less(Y,X) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f46,hypothesis,
~ holdsAt(spinning,n0),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f47,hypothesis,
! [Fluent,Time] : ~ releasedAt(Fluent,Time),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f48,conjecture,
~ holdsAt(spinning,n1),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f49,negated_conjecture,
~ ~ holdsAt(spinning,n1),
inference(negated_conjecture,[status(cth)],[f48]) ).
fof(f76,plain,
! [Fluent,Time] :
( ~ holdsAt(Fluent,plus(Time,n1))
| ? [Event] :
( initiates(Event,Fluent,Time)
& happens(Event,Time) )
| releasedAt(Fluent,plus(Time,n1))
| holdsAt(Fluent,Time) ),
inference(pre_NNF_transformation,[status(thm)],[f6]) ).
fof(f77,plain,
! [Fluent,Time] :
( ~ holdsAt(Fluent,plus(Time,n1))
| ( initiates(sK5_skl(Time,Fluent),Fluent,Time)
& happens(sK5_skl(Time,Fluent),Time) )
| releasedAt(Fluent,plus(Time,n1))
| holdsAt(Fluent,Time) ),
inference(skolemize,[status(esa),new_symbols(skolem,[sK5_skl]),skolemize(Event,sK5_skl(Time,Fluent))],[f76]) ).
fof(f78,plain,
! [X0,X1] :
( ~ holdsAt(X0,plus(X1,n1))
| happens(sK5_skl(X1,X0),X1)
| releasedAt(X0,plus(X1,n1))
| holdsAt(X0,X1) ),
inference(cnf_transformation,[status(thm)],[f77]) ).
fof(f79,plain,
! [X0,X1] :
( ~ holdsAt(X0,plus(X1,n1))
| initiates(sK5_skl(X1,X0),X0,X1)
| releasedAt(X0,plus(X1,n1))
| holdsAt(X0,X1) ),
inference(cnf_transformation,[status(thm)],[f77]) ).
fof(f101,definition,
! [Event,Fluent,Time] :
( sP0_prd(Time,Fluent,Event)
<=> ( ( ~ happens(push,Time)
& Fluent = backwards
& Event = pull )
| ( ~ happens(pull,Time)
& Fluent = forwards
& Event = push ) ) ),
introduced(definition,[new_symbols(definition,[sP0_prd])],[]) ).
fof(f102,plain,
! [Event,Fluent,Time] :
( initiates(Event,Fluent,Time)
<=> ( ( happens(push,Time)
& Fluent = spinning
& Event = pull )
| sP0_prd(Time,Fluent,Event) ) ),
inference(formula_renaming,[status(thm)],[f13,f101]) ).
fof(f103,plain,
! [Event,Fluent,Time] :
( ( ( ( ~ happens(push,Time)
| Fluent != spinning
| Event != pull )
& ~ sP0_prd(Time,Fluent,Event) )
| initiates(Event,Fluent,Time) )
& ( ( happens(push,Time)
& Fluent = spinning
& Event = pull )
| sP0_prd(Time,Fluent,Event)
| ~ initiates(Event,Fluent,Time) ) ),
inference(NNF_transformation,[status(thm)],[f102]) ).
fof(f104,plain,
( ! [Event,Fluent,Time] :
( ( ( ~ happens(push,Time)
| Fluent != spinning
| Event != pull )
& ~ sP0_prd(Time,Fluent,Event) )
| initiates(Event,Fluent,Time) )
& ! [Event,Fluent,Time] :
( ( happens(push,Time)
& Fluent = spinning
& Event = pull )
| sP0_prd(Time,Fluent,Event)
| ~ initiates(Event,Fluent,Time) ) ),
inference(miniscoping,[status(thm)],[f103]) ).
fof(f105,plain,
! [X0,X1,X2] :
( X0 = pull
| sP0_prd(X2,X1,X0)
| ~ initiates(X0,X1,X2) ),
inference(cnf_transformation,[status(thm)],[f104]) ).
fof(f107,plain,
! [X0,X1,X2] :
( happens(push,X2)
| sP0_prd(X2,X1,X0)
| ~ initiates(X0,X1,X2) ),
inference(cnf_transformation,[status(thm)],[f104]) ).
fof(f120,definition,
! [Event,Time] :
( sP2_prd(Time,Event)
<=> ( ( Time = n2
& Event = pull )
| ( Time = n1
& Event = pull )
| ( Time = n0
& Event = push ) ) ),
introduced(definition,[new_symbols(definition,[sP2_prd])],[]) ).
fof(f121,plain,
! [Event,Time] :
( happens(Event,Time)
<=> ( ( Time = n2
& Event = push )
| sP2_prd(Time,Event) ) ),
inference(formula_renaming,[status(thm)],[f16,f120]) ).
fof(f122,plain,
! [Event,Time] :
( ( ( ( Time != n2
| Event != push )
& ~ sP2_prd(Time,Event) )
| happens(Event,Time) )
& ( ( Time = n2
& Event = push )
| sP2_prd(Time,Event)
| ~ happens(Event,Time) ) ),
inference(NNF_transformation,[status(thm)],[f121]) ).
fof(f123,plain,
( ! [Event,Time] :
( ( ( Time != n2
| Event != push )
& ~ sP2_prd(Time,Event) )
| happens(Event,Time) )
& ! [Event,Time] :
( ( Time = n2
& Event = push )
| sP2_prd(Time,Event)
| ~ happens(Event,Time) ) ),
inference(miniscoping,[status(thm)],[f122]) ).
fof(f125,plain,
! [X0,X1] :
( X1 = n2
| sP2_prd(X1,X0)
| ~ happens(X0,X1) ),
inference(cnf_transformation,[status(thm)],[f123]) ).
fof(f128,plain,
push != pull,
inference(cnf_transformation,[status(thm)],[f17]) ).
fof(f130,plain,
forwards != spinning,
inference(cnf_transformation,[status(thm)],[f19]) ).
fof(f131,plain,
spinning != backwards,
inference(cnf_transformation,[status(thm)],[f20]) ).
fof(f133,plain,
plus(n0,n1) = n1,
inference(cnf_transformation,[status(thm)],[f22]) ).
fof(f143,plain,
! [X,Y] :
( ( ( X != Y
& ~ less(X,Y) )
| less_or_equal(X,Y) )
& ( X = Y
| less(X,Y)
| ~ less_or_equal(X,Y) ) ),
inference(NNF_transformation,[status(thm)],[f32]) ).
fof(f144,plain,
( ! [X,Y] :
( ( X != Y
& ~ less(X,Y) )
| less_or_equal(X,Y) )
& ! [X,Y] :
( X = Y
| less(X,Y)
| ~ less_or_equal(X,Y) ) ),
inference(miniscoping,[status(thm)],[f143]) ).
fof(f147,plain,
! [X0,X1] :
( X0 != X1
| less_or_equal(X0,X1) ),
inference(cnf_transformation,[status(thm)],[f144]) ).
fof(f148,plain,
! [X] : ~ less(X,n0),
inference(pre_NNF_transformation,[status(thm)],[f33]) ).
fof(f149,plain,
! [X0] : ~ less(X0,n0),
inference(cnf_transformation,[status(thm)],[f148]) ).
fof(f150,plain,
! [X] :
( ( ~ less_or_equal(X,n0)
| less(X,n1) )
& ( less_or_equal(X,n0)
| ~ less(X,n1) ) ),
inference(NNF_transformation,[status(thm)],[f34]) ).
fof(f151,plain,
( ! [X] :
( ~ less_or_equal(X,n0)
| less(X,n1) )
& ! [X] :
( less_or_equal(X,n0)
| ~ less(X,n1) ) ),
inference(miniscoping,[status(thm)],[f150]) ).
fof(f153,plain,
! [X0] :
( ~ less_or_equal(X0,n0)
| less(X0,n1) ),
inference(cnf_transformation,[status(thm)],[f151]) ).
fof(f154,plain,
! [X] :
( ( ~ less_or_equal(X,n1)
| less(X,n2) )
& ( less_or_equal(X,n1)
| ~ less(X,n2) ) ),
inference(NNF_transformation,[status(thm)],[f35]) ).
fof(f155,plain,
( ! [X] :
( ~ less_or_equal(X,n1)
| less(X,n2) )
& ! [X] :
( less_or_equal(X,n1)
| ~ less(X,n2) ) ),
inference(miniscoping,[status(thm)],[f154]) ).
fof(f157,plain,
! [X0] :
( ~ less_or_equal(X0,n1)
| less(X0,n2) ),
inference(cnf_transformation,[status(thm)],[f155]) ).
fof(f186,plain,
! [X,Y] :
( ( Y = X
| less(Y,X)
| less(X,Y) )
& ( ( Y != X
& ~ less(Y,X) )
| ~ less(X,Y) ) ),
inference(NNF_transformation,[status(thm)],[f43]) ).
fof(f187,plain,
( ! [X,Y] :
( Y = X
| less(Y,X)
| less(X,Y) )
& ! [X,Y] :
( ( Y != X
& ~ less(Y,X) )
| ~ less(X,Y) ) ),
inference(miniscoping,[status(thm)],[f186]) ).
fof(f188,plain,
! [X0,X1] :
( ~ less(X1,X0)
| ~ less(X0,X1) ),
inference(cnf_transformation,[status(thm)],[f187]) ).
fof(f193,plain,
~ holdsAt(spinning,n0),
inference(cnf_transformation,[status(thm)],[f46]) ).
fof(f194,plain,
! [X0,X1] : ~ releasedAt(X0,X1),
inference(cnf_transformation,[status(thm)],[f47]) ).
fof(f195,plain,
holdsAt(spinning,n1),
inference(cnf_transformation,[status(thm)],[f49]) ).
fof(f196,definition,
! [Event,Fluent,Time] :
( sP3_prd(Time,Fluent,Event)
<=> ( ~ happens(pull,Time)
& Fluent = forwards
& Event = push ) ),
introduced(definition,[new_symbols(definition,[sP3_prd])],[]) ).
fof(f197,plain,
! [Event,Fluent,Time] :
( sP0_prd(Time,Fluent,Event)
<=> ( ( ~ happens(push,Time)
& Fluent = backwards
& Event = pull )
| sP3_prd(Time,Fluent,Event) ) ),
inference(formula_renaming,[status(thm)],[f101,f196]) ).
fof(f198,plain,
! [Event,Fluent,Time] :
( ( ( ( happens(push,Time)
| Fluent != backwards
| Event != pull )
& ~ sP3_prd(Time,Fluent,Event) )
| sP0_prd(Time,Fluent,Event) )
& ( ( ~ happens(push,Time)
& Fluent = backwards
& Event = pull )
| sP3_prd(Time,Fluent,Event)
| ~ sP0_prd(Time,Fluent,Event) ) ),
inference(NNF_transformation,[status(thm)],[f197]) ).
fof(f199,plain,
( ! [Event,Fluent,Time] :
( ( ( happens(push,Time)
| Fluent != backwards
| Event != pull )
& ~ sP3_prd(Time,Fluent,Event) )
| sP0_prd(Time,Fluent,Event) )
& ! [Event,Fluent,Time] :
( ( ~ happens(push,Time)
& Fluent = backwards
& Event = pull )
| sP3_prd(Time,Fluent,Event)
| ~ sP0_prd(Time,Fluent,Event) ) ),
inference(miniscoping,[status(thm)],[f198]) ).
fof(f201,plain,
! [X0,X1,X2] :
( X1 = backwards
| sP3_prd(X0,X1,X2)
| ~ sP0_prd(X0,X1,X2) ),
inference(cnf_transformation,[status(thm)],[f199]) ).
fof(f202,plain,
! [X0,X1,X2] :
( ~ happens(push,X0)
| sP3_prd(X0,X1,X2)
| ~ sP0_prd(X0,X1,X2) ),
inference(cnf_transformation,[status(thm)],[f199]) ).
fof(f214,definition,
! [Event,Time] :
( sP5_prd(Time,Event)
<=> ( ( Time = n1
& Event = pull )
| ( Time = n0
& Event = push ) ) ),
introduced(definition,[new_symbols(definition,[sP5_prd])],[]) ).
fof(f215,plain,
! [Event,Time] :
( sP2_prd(Time,Event)
<=> ( ( Time = n2
& Event = pull )
| sP5_prd(Time,Event) ) ),
inference(formula_renaming,[status(thm)],[f120,f214]) ).
fof(f216,plain,
! [Event,Time] :
( ( ( ( Time != n2
| Event != pull )
& ~ sP5_prd(Time,Event) )
| sP2_prd(Time,Event) )
& ( ( Time = n2
& Event = pull )
| sP5_prd(Time,Event)
| ~ sP2_prd(Time,Event) ) ),
inference(NNF_transformation,[status(thm)],[f215]) ).
fof(f217,plain,
( ! [Event,Time] :
( ( ( Time != n2
| Event != pull )
& ~ sP5_prd(Time,Event) )
| sP2_prd(Time,Event) )
& ! [Event,Time] :
( ( Time = n2
& Event = pull )
| sP5_prd(Time,Event)
| ~ sP2_prd(Time,Event) ) ),
inference(miniscoping,[status(thm)],[f216]) ).
fof(f219,plain,
! [X0,X1] :
( X0 = n2
| sP5_prd(X0,X1)
| ~ sP2_prd(X0,X1) ),
inference(cnf_transformation,[status(thm)],[f217]) ).
fof(f222,plain,
! [Event,Fluent,Time] :
( ( happens(pull,Time)
| Fluent != forwards
| Event != push
| sP3_prd(Time,Fluent,Event) )
& ( ( ~ happens(pull,Time)
& Fluent = forwards
& Event = push )
| ~ sP3_prd(Time,Fluent,Event) ) ),
inference(NNF_transformation,[status(thm)],[f196]) ).
fof(f223,plain,
( ! [Event,Fluent,Time] :
( happens(pull,Time)
| Fluent != forwards
| Event != push
| sP3_prd(Time,Fluent,Event) )
& ! [Event,Fluent,Time] :
( ( ~ happens(pull,Time)
& Fluent = forwards
& Event = push )
| ~ sP3_prd(Time,Fluent,Event) ) ),
inference(miniscoping,[status(thm)],[f222]) ).
fof(f225,plain,
! [X0,X1,X2] :
( X1 = forwards
| ~ sP3_prd(X0,X1,X2) ),
inference(cnf_transformation,[status(thm)],[f223]) ).
fof(f237,plain,
! [Event,Time] :
( ( ( ( Time != n1
| Event != pull )
& ( Time != n0
| Event != push ) )
| sP5_prd(Time,Event) )
& ( ( Time = n1
& Event = pull )
| ( Time = n0
& Event = push )
| ~ sP5_prd(Time,Event) ) ),
inference(NNF_transformation,[status(thm)],[f214]) ).
fof(f238,plain,
( ! [Event,Time] :
( ( ( Time != n1
| Event != pull )
& ( Time != n0
| Event != push ) )
| sP5_prd(Time,Event) )
& ! [Event,Time] :
( ( Time = n1
& Event = pull )
| ( Time = n0
& Event = push )
| ~ sP5_prd(Time,Event) ) ),
inference(miniscoping,[status(thm)],[f237]) ).
fof(f240,plain,
! [X0,X1] :
( X0 = n1
| X1 = push
| ~ sP5_prd(X0,X1) ),
inference(cnf_transformation,[status(thm)],[f238]) ).
fof(f269,plain,
! [X0] : less_or_equal(X0,X0),
inference(destructive_equality_resolution,[status(thm)],[f147]) ).
fof(f284,plain,
! [X0,X1] :
( ~ holdsAt(X0,plus(X1,n1))
| happens(sK5_skl(X1,X0),X1)
| holdsAt(X0,X1) ),
inference(forward_subsumption_resolution,[status(thm)],[f78,f194]) ).
fof(f286,plain,
! [X0] :
( ~ holdsAt(X0,n1)
| happens(sK5_skl(n0,X0),n0)
| holdsAt(X0,n0) ),
inference(paramodulation,[status(thm)],[f133,f284]) ).
fof(f289,plain,
! [X0,X1] :
( ~ holdsAt(X0,plus(X1,n1))
| initiates(sK5_skl(X1,X0),X0,X1)
| holdsAt(X0,X1) ),
inference(forward_subsumption_resolution,[status(thm)],[f79,f194]) ).
fof(f291,plain,
! [X0] :
( ~ holdsAt(X0,n1)
| initiates(sK5_skl(n0,X0),X0,n0)
| holdsAt(X0,n0) ),
inference(paramodulation,[status(thm)],[f133,f289]) ).
fof(f304,plain,
less(n0,n1),
inference(resolution,[status(thm)],[f153,f269]) ).
fof(f330,plain,
less(n1,n2),
inference(resolution,[status(thm)],[f157,f269]) ).
fof(f337,plain,
~ less(n2,n1),
inference(resolution,[status(thm)],[f330,f188]) ).
fof(f1005,plain,
( happens(sK5_skl(n0,spinning),n0)
| holdsAt(spinning,n0) ),
inference(resolution,[status(thm)],[f286,f195]) ).
fof(f1006,plain,
happens(sK5_skl(n0,spinning),n0),
inference(forward_subsumption_resolution,[status(thm)],[f1005,f193]) ).
fof(f1012,plain,
( n0 = n2
| sP2_prd(n0,sK5_skl(n0,spinning)) ),
inference(resolution,[status(thm)],[f1006,f125]) ).
fof(f1014,plain,
( n0 = n2
| sP5_prd(n0,sK5_skl(n0,spinning))
| n0 = n2 ),
inference(resolution,[status(thm)],[f1012,f219]) ).
fof(f1017,plain,
( sP5_prd(n0,sK5_skl(n0,spinning))
| n0 = n2 ),
inference(duplicate_literals_removal,[status(thm)],[f1014]) ).
fof(f1024,plain,
( n0 = n1
| sK5_skl(n0,spinning) = push
| n0 = n2 ),
inference(resolution,[status(thm)],[f1017,f240]) ).
fof(f1067,plain,
( initiates(sK5_skl(n0,spinning),spinning,n0)
| holdsAt(spinning,n0) ),
inference(resolution,[status(thm)],[f291,f195]) ).
fof(f1068,plain,
initiates(sK5_skl(n0,spinning),spinning,n0),
inference(forward_subsumption_resolution,[status(thm)],[f1067,f193]) ).
fof(f1074,plain,
( happens(push,n0)
| sP0_prd(n0,spinning,sK5_skl(n0,spinning)) ),
inference(resolution,[status(thm)],[f1068,f107]) ).
fof(f1076,plain,
( sK5_skl(n0,spinning) = pull
| sP0_prd(n0,spinning,sK5_skl(n0,spinning)) ),
inference(resolution,[status(thm)],[f1068,f105]) ).
fof(f1083,plain,
( spinning = backwards
| sP3_prd(n0,spinning,sK5_skl(n0,spinning))
| happens(push,n0) ),
inference(resolution,[status(thm)],[f1074,f201]) ).
fof(f1087,plain,
( sP3_prd(n0,spinning,sK5_skl(n0,spinning))
| happens(push,n0) ),
inference(forward_subsumption_resolution,[status(thm)],[f1083,f131]) ).
fof(f1120,plain,
( ~ happens(push,n0)
| sP3_prd(n0,spinning,sK5_skl(n0,spinning))
| sK5_skl(n0,spinning) = pull ),
inference(resolution,[status(thm)],[f1076,f202]) ).
fof(f1156,plain,
( spinning = forwards
| happens(push,n0) ),
inference(resolution,[status(thm)],[f1087,f225]) ).
fof(f1160,plain,
happens(push,n0),
inference(forward_subsumption_resolution,[status(thm)],[f1156,f130]) ).
fof(f1176,plain,
( sP3_prd(n0,spinning,sK5_skl(n0,spinning))
| sK5_skl(n0,spinning) = pull ),
inference(forward_subsumption_resolution,[status(thm)],[f1120,f1160]) ).
fof(f1179,plain,
( spinning = forwards
| sK5_skl(n0,spinning) = pull ),
inference(resolution,[status(thm)],[f1176,f225]) ).
fof(f1183,plain,
sK5_skl(n0,spinning) = pull,
inference(forward_subsumption_resolution,[status(thm)],[f1179,f130]) ).
fof(f1211,plain,
( n0 = n1
| pull = push
| n0 = n2 ),
inference(backward_demodulation,[status(thm)],[f1183,f1024]) ).
fof(f1226,plain,
( n0 = n1
| n0 = n2 ),
inference(forward_subsumption_resolution,[status(thm)],[f1211,f128]) ).
fof(f1311,plain,
( n0 = n1
| ~ less(n0,n1) ),
inference(paramodulation,[status(thm)],[f1226,f337]) ).
fof(f1327,plain,
n0 = n1,
inference(forward_subsumption_resolution,[status(thm)],[f1311,f304]) ).
fof(f1408,plain,
less(n0,n0),
inference(backward_demodulation,[status(thm)],[f1327,f304]) ).
fof(f1462,plain,
$false,
inference(forward_subsumption_resolution,[status(thm)],[f1408,f149]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.05 % Problem : CSR017+1 : TPTP v9.3.1. Bugfixed v3.1.0.
% 0.00/0.06 % Command : drodi -timeout(300) /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.16/0.64 % Computer : n001.cluster.edu
% 0.16/0.64 % Model : x86_64 x86_64
% 0.16/0.64 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.16/0.64 % Memory : 8046.5625MB
% 0.16/0.64 % OS : Linux 6.8.0-71-generic
% 0.16/0.64 % CPULimit : 300
% 0.16/0.64 % WCLimit : 300
% 0.16/0.64 % DateTime : Mon Sep 21 14:29:45 UTC 2026
% 0.16/0.64 % CPUTime :
% 0.20/0.66 % Drodi V4.1.1
% 0.20/0.81 % Refutation found
% 0.20/0.81 % SZS status Theorem for theBenchmark: Theorem is valid
% 0.20/0.81 % SZS output start CNFRefutation for theBenchmark
% See solution above
% 0.20/0.86 % Elapsed time: 0.195369 seconds
% 0.20/0.86 % CPU time: 1.209662 seconds
% 0.20/0.86 % Total memory used: 119.659 MB
% 0.20/0.86 % Net memory used: 118.721 MB
%------------------------------------------------------------------------------