%------------------------------------------------------------------------------
% File : iProver---3.9.4
% Problem : SWC206+1 : TPTP v9.3.1. Released v2.4.0.
% Transfm : none
% Format : tptp:raw
% Command : run_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM
% Computer : n007.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 : Fri Sep 25 03:08:52 PM UTC 2026
% Result : Theorem 2.49s 1.28s
% Output : CNFRefutation 2.49s
% Verified :
% SZS Type : ERROR: Analysing output (Could not find formula named f202ERROR: Could not build tree for root c_2343ERROR: MakeTreeStats fails)
% Comments :
%------------------------------------------------------------------------------
fof(f15,axiom,
! [X0] :
( ssList(X0)
=> ! [X1] :
( ssList(X1)
=> ( neq(X0,X1)
<=> X0 != X1 ) ) ),
file('/export/starexec/sandbox2/benchmark/Axioms/SWC001+0.ax',ax15) ).
fof(f17,axiom,
ssList(nil),
file('/export/starexec/sandbox2/benchmark/Axioms/SWC001+0.ax',ax17) ).
fof(f58,axiom,
! [X0] :
( ssList(X0)
=> ( segmentP(nil,X0)
<=> nil = X0 ) ),
file('/export/starexec/sandbox2/benchmark/Axioms/SWC001+0.ax',ax58) ).
fof(f96,conjecture,
! [X0] :
( ssList(X0)
=> ! [X1] :
( ssList(X1)
=> ! [X2] :
( ssList(X2)
=> ! [X3] :
( ssList(X3)
=> ( ( neq(X3,nil)
& ! [X4] :
( ssList(X4)
=> ( ~ segmentP(X2,X4)
| ~ segmentP(X3,X4)
| ~ neq(X4,nil) ) ) )
| ( nil = X3
& nil != X2 )
| neq(X0,nil)
| ~ neq(X1,nil)
| X0 != X2
| X1 != X3 ) ) ) ) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1) ).
fof(f97,negated_conjecture,
~ ! [X0] :
( ssList(X0)
=> ! [X1] :
( ssList(X1)
=> ! [X2] :
( ssList(X2)
=> ! [X3] :
( ssList(X3)
=> ( ( neq(X3,nil)
& ! [X4] :
( ssList(X4)
=> ( ~ segmentP(X2,X4)
| ~ segmentP(X3,X4)
| ~ neq(X4,nil) ) ) )
| ( nil = X3
& nil != X2 )
| neq(X0,nil)
| ~ neq(X1,nil)
| X0 != X2
| X1 != X3 ) ) ) ) ),
inference(negated_conjecture,[status(cth)],[f96]) ).
fof(f98,plain,
? [X0] :
( ssList(X0)
& ? [X1] :
( ssList(X1)
& ? [X2] :
( ssList(X2)
& ? [X3] :
( ssList(X3)
& ( ~ neq(X3,nil)
| ? [X4] :
( ssList(X4)
& segmentP(X2,X4)
& segmentP(X3,X4)
& neq(X4,nil) ) )
& ( nil != X3
| nil = X2 )
& ~ neq(X0,nil)
& neq(X1,nil)
& X0 = X2
& X1 = X3 ) ) ) ),
inference(ennf_transformation,[],[f97]) ).
fof(f99,plain,
? [X0] :
( ssList(X0)
& ? [X1] :
( ssList(X1)
& ? [X2] :
( ssList(X2)
& ? [X3] :
( ssList(X3)
& ( ~ neq(X3,nil)
| ? [X4] :
( ssList(X4)
& segmentP(X2,X4)
& segmentP(X3,X4)
& neq(X4,nil) ) )
& ( nil != X3
| nil = X2 )
& ~ neq(X0,nil)
& neq(X1,nil)
& X0 = X2
& X1 = X3 ) ) ) ),
inference(flattening,[],[f98]) ).
fof(f100,plain,
! [X0] :
( ~ ssList(X0)
| ! [X1] :
( ~ ssList(X1)
| ( neq(X0,X1)
<=> X0 != X1 ) ) ),
inference(ennf_transformation,[],[f15]) ).
fof(f105,plain,
! [X0] :
( ~ ssList(X0)
| ( segmentP(nil,X0)
<=> nil = X0 ) ),
inference(ennf_transformation,[],[f58]) ).
fof(f130,plain,
( ssList(sK0)
& ssList(sK1)
& ssList(sK2)
& ssList(sK3)
& ( ~ neq(sK3,nil)
| ( ssList(sK4)
& segmentP(sK2,sK4)
& segmentP(sK3,sK4)
& neq(sK4,nil) ) )
& ( nil != sK3
| nil = sK2 )
& ~ neq(sK0,nil)
& neq(sK1,nil)
& sK0 = sK2
& sK1 = sK3 ),
inference(skolemize,[status(esa),new_symbols(skolem,[sK0,sK1,sK2,sK3,sK4]),skolemize(X0,sK0),skolemize(X1,sK1),skolemize(X2,sK2),skolemize(X3,sK3),skolemize(X4,sK4)],[f99]) ).
fof(f132,plain,
! [X0] :
( ~ ssList(X0)
| ! [X1] :
( ~ ssList(X1)
| ( ( ~ neq(X0,X1)
| X0 != X1 )
& ( X0 = X1
| neq(X0,X1) ) ) ) ),
inference(nnf_transformation,[],[f100]) ).
fof(f135,plain,
! [X0] :
( ~ ssList(X0)
| ( ( ~ segmentP(nil,X0)
| nil = X0 )
& ( nil != X0
| segmentP(nil,X0) ) ) ),
inference(nnf_transformation,[],[f105]) ).
fof(f141,plain,
ssList(sK0),
inference(cnf_transformation,[],[f130]) ).
fof(f145,plain,
( ~ neq(sK3,nil)
| ssList(sK4) ),
inference(cnf_transformation,[],[f130]) ).
fof(f146,plain,
( ~ neq(sK3,nil)
| segmentP(sK2,sK4) ),
inference(cnf_transformation,[],[f130]) ).
fof(f148,plain,
( ~ neq(sK3,nil)
| neq(sK4,nil) ),
inference(cnf_transformation,[],[f130]) ).
fof(f150,plain,
~ neq(sK0,nil),
inference(cnf_transformation,[],[f130]) ).
fof(f151,plain,
neq(sK1,nil),
inference(cnf_transformation,[],[f130]) ).
fof(f152,plain,
sK0 = sK2,
inference(cnf_transformation,[],[f130]) ).
fof(f153,plain,
sK1 = sK3,
inference(cnf_transformation,[],[f130]) ).
fof(f158,plain,
! [X0,X1] :
( ~ ssList(X0)
| ~ ssList(X1)
| X0 = X1
| neq(X0,X1) ),
inference(cnf_transformation,[],[f132]) ).
fof(f165,plain,
ssList(nil),
inference(cnf_transformation,[],[f17]) ).
fof(f166,plain,
! [X0] :
( ~ ssList(X0)
| ~ segmentP(nil,X0)
| nil = X0 ),
inference(cnf_transformation,[],[f135]) ).
fof(f192,plain,
neq(sK3,nil),
inference(definition_unfolding,[],[f151,f153]) ).
fof(f193,plain,
~ neq(sK2,nil),
inference(definition_unfolding,[],[f150,f152]) ).
fof(f195,plain,
ssList(sK2),
inference(definition_unfolding,[],[f141,f152]) ).
tcf(c_49,negated_conjecture,
neq(sK3,nil),
inference(cnf_transformation,[],[f192]) ).
tcf(c_50,negated_conjecture,
~ neq(sK2,nil),
inference(cnf_transformation,[],[f193]) ).
tcf(c_52,negated_conjecture,
( neq(sK4,nil)
| ~ neq(sK3,nil) ),
inference(cnf_transformation,[],[f148]) ).
tcf(c_54,negated_conjecture,
( segmentP(sK2,sK4)
| ~ neq(sK3,nil) ),
inference(cnf_transformation,[],[f146]) ).
tcf(c_55,negated_conjecture,
( ssList(sK4)
| ~ neq(sK3,nil) ),
inference(cnf_transformation,[],[f145]) ).
tcf(c_59,negated_conjecture,
ssList(sK2),
inference(cnf_transformation,[],[f195]) ).
tcf(c_63,plain,
! [X0: $i,X1: $i] :
( neq(X0,X1)
| ( X0 = X1 )
| ~ ssList(X1)
| ~ ssList(X0) ),
inference(cnf_transformation,[],[f158]) ).
tcf(c_64,plain,
! [X0: $i] :
( ~ ssList(X0)
| ~ neq(X0,X0) ),
inference(cnf_transformation,[],[f202]) ).
tcf(c_71,plain,
ssList(nil),
inference(cnf_transformation,[],[f165]) ).
tcf(c_73,plain,
! [X0: $i] :
( ( X0 = nil )
| ~ ssList(X0)
| ~ segmentP(nil,X0) ),
inference(cnf_transformation,[],[f166]) ).
tcf(c_122,negated_conjecture,
ssList(sK4),
inference(global_subsumption_just,[status(thm)],[c_55,c_49,c_55]) ).
tcf(c_126,negated_conjecture,
segmentP(sK2,sK4),
inference(global_subsumption_just,[status(thm)],[c_54,c_49,c_54]) ).
tcf(c_130,negated_conjecture,
neq(sK4,nil),
inference(global_subsumption_just,[status(thm)],[c_52,c_49,c_52]) ).
tcf(c_691,plain,
! [X0: $i,X1: $i] :
( ( X0 = X1 )
| ~ ssList(X1)
| ~ ssList(X0)
| ( X1 != sK2 )
| ( X0 != nil ) ),
inference(resolution_lifted,[status(thm)],[c_50,c_63]) ).
tcf(c_692,plain,
( ( nil = sK2 )
| ~ ssList(sK2)
| ~ ssList(nil) ),
inference(unflattening,[status(thm)],[c_691]) ).
tcf(c_693,plain,
nil = sK2,
inference(global_subsumption_just,[status(thm)],[c_692,c_59,c_71,c_692]) ).
tcf(c_706,plain,
! [X0: $i] :
( ~ ssList(X0)
| ( X0 != sK4 )
| ( X0 != nil ) ),
inference(resolution_lifted,[status(thm)],[c_130,c_64]) ).
tcf(c_707,plain,
( ~ ssList(nil)
| ( nil != sK4 ) ),
inference(unflattening,[status(thm)],[c_706]) ).
tcf(c_708,plain,
nil != sK4,
inference(global_subsumption_just,[status(thm)],[c_707,c_71,c_707]) ).
tcf(c_972,plain,
segmentP(nil,sK4),
inference(demodulation,[status(thm)],[c_126,c_693]) ).
tcf(c_2342,plain,
( ( nil = sK4 )
| ~ ssList(sK4) ),
inference(superposition,[status(thm)],[c_972,c_73]) ).
tcf(c_2343,plain,
$false,
inference(forward_subsumption_resolution,[status(thm)],[c_2342,c_708,c_122]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : SWC206+1 : TPTP v9.3.1. Released v2.4.0.
% 0.00/0.04 % Command : run_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM
% 0.09/0.35 % Computer : n007.cluster.edu
% 0.09/0.35 % Model : x86_64 x86_64
% 0.09/0.35 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.09/0.35 % Memory : 8046.5625MB
% 0.09/0.35 % OS : Linux 6.8.0-71-generic
% 0.09/0.35 % CPULimit : 300
% 0.09/0.35 % WCLimit : 300
% 0.09/0.35 % DateTime : Thu Sep 24 16:56:22 UTC 2026
% 0.09/0.36 % CPUTime :
% 0.09/0.36 Running run_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM
% 0.14/0.40 Running first-order theorem proving
% 0.14/0.40 Running: /export/starexec/sandbox2/solver/bin/iproveropt-multi-core.sh -d -n -l tptp -s fof_schedule -t 300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.14/0.41
% 0.14/0.41 % ======== iProver multi-core TPTP/SMT =========
% 0.14/0.41
% 0.14/0.41 % Detected problem language: tptp
% 0.14/0.42 % Proving...
% 2.49/1.28 % SZS status Started for theBenchmark.p
% 2.49/1.28 % SZS status Theorem for theBenchmark.p
% 2.49/1.28
% 2.49/1.28 %---------------- iProver v3.9.4 (pre CASC 2026/SMT-COMP 2026) ----------------%
% 2.49/1.28
% 2.49/1.28 % ------ iProver source info
% 2.49/1.28
% 2.49/1.28 % git: date: 2026-07-19 20:42:38 +0200
% 2.49/1.28 % git: sha1: 804e7d636a263075307957e923b7a22a4035de61
% 2.49/1.28 % git: non_committed_changes: false
% 2.49/1.28
% 2.49/1.28 % ------ Parsing...
% 2.49/1.28 % ------ Clausification by vclausify_rel & Parsing by iProver...%
% 2.49/1.28
% 2.49/1.28 % ------ Preprocessing... sup_sim: 0 sf_s rm: 1 0s sf_e pe_s pe:1:0s pe_e sup_sim: 5 sf_s rm: 2 0s sf_e pe_s pe_e sup_sim: 0 sf_s rm: 2 0s sf_e pe_s pe_e %
% 2.49/1.28
% 2.49/1.28 % ------ Preprocessing... gs_s sp: 0 0s gs_e snvd_s sp: 0 0s snvd_e %
% 2.49/1.28
% 2.49/1.28 % ------ Preprocessing... sf_s rm: 1 0s sf_e sf_s rm: 0 0s sf_e
% 2.49/1.28 % ------ Proving...
% 2.49/1.28 % ------ Problem Properties
% 2.49/1.28
% 2.49/1.28 %
% 2.49/1.28 % clauses 41
% 2.49/1.28 % conjectures 3
% 2.49/1.28 % EPR 17
% 2.49/1.28 % Horn 38
% 2.49/1.28 % unary 13
% 2.49/1.28 % binary 4
% 2.49/1.28 % lits 120
% 2.49/1.28 % lits eq 31
% 2.49/1.28 % fd_pure 0
% 2.49/1.28 % fd_pseudo 0
% 2.49/1.28 % fd_cond 5
% 2.49/1.28 % fd_pseudo_cond 5
% 2.49/1.28 % AC symbols 0
% 2.49/1.28
% 2.49/1.28 % ------ Schedule dynamic 5 is on
% 2.49/1.28
% 2.49/1.28 % ------ Input Options "--resolution_flag false --inst_lit_sel_side none" Time Limit: 10.
% 2.49/1.28
% 2.49/1.28
% 2.49/1.28 % ------
% 2.49/1.28 % Current options:
% 2.49/1.28 % ------
% 2.49/1.28
% 2.49/1.28
% 2.49/1.28 %
% 2.49/1.28
% 2.49/1.28 % ------ Proving...
% 2.49/1.28 %
% 2.49/1.28
% 2.49/1.28 % SZS status Theorem for theBenchmark.p
% 2.49/1.28
% 2.49/1.28 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 2.49/1.29
% 2.49/1.29
%------------------------------------------------------------------------------