%------------------------------------------------------------------------------
% File : iProver---3.9.4
% Problem : SWC048-1 : TPTP v9.3.1. Released v2.4.0.
% Transfm : none
% Format : tptp:raw
% Command : run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% Computer : n015.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 03:07:40 PM UTC 2026
% Result : Unsatisfiable 2.43s 1.09s
% Output : CNFRefutation 2.43s
% Verified :
% SZS Type : ERROR: Analysing output (Could not find formula named f245ERROR: Could not build tree for root c_12770ERROR: MakeTreeStats fails)
% Comments :
%------------------------------------------------------------------------------
fof(f59,axiom,
! [X0] :
( rearsegP(X0,X0)
| ~ ssList(X0) ),
file('/export/starexec/sandbox/benchmark/Axioms/SWC001-0.ax',clause59) ).
fof(f82,axiom,
! [X0] :
( nil = X0
| ~ ssList(X0)
| ~ rearsegP(nil,X0) ),
file('/export/starexec/sandbox/benchmark/Axioms/SWC001-0.ax',clause82) ).
fof(f202,negated_conjecture,
ssList(sk3),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_3) ).
fof(f203,negated_conjecture,
ssList(sk4),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_4) ).
fof(f204,negated_conjecture,
sk2 = sk4,
file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_5) ).
fof(f205,negated_conjecture,
sk1 = sk3,
file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_6) ).
fof(f207,negated_conjecture,
! [X0] :
( ~ rearsegP(sk1,X0)
| ~ rearsegP(sk2,X0)
| ~ neq(X0,nil)
| ~ ssList(X0)
| nil = sk2 ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_8) ).
fof(f208,negated_conjecture,
( neq(sk2,nil)
| nil != sk1 ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_9) ).
fof(f209,negated_conjecture,
! [X0] :
( ~ rearsegP(sk1,X0)
| ~ rearsegP(sk2,X0)
| ~ neq(X0,nil)
| ~ ssList(X0)
| nil != sk1 ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_10) ).
fof(f210,negated_conjecture,
( neq(sk3,nil)
| nil = sk4 ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_11) ).
fof(f211,negated_conjecture,
( rearsegP(sk4,sk3)
| nil = sk4 ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_12) ).
fof(f212,negated_conjecture,
( neq(sk3,nil)
| nil = sk3 ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_13) ).
fof(f213,negated_conjecture,
( rearsegP(sk4,sk3)
| nil = sk3 ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_14) ).
fof(f217,plain,
! [X0] :
( ~ rearsegP(sk3,X0)
| ~ rearsegP(sk4,X0)
| ~ neq(X0,nil)
| ~ ssList(X0)
| nil = sk4 ),
inference(definition_unfolding,[],[f207,f204,f204,f205]) ).
fof(f218,plain,
( neq(sk4,nil)
| nil != sk3 ),
inference(definition_unfolding,[],[f208,f205,f204]) ).
fof(f219,plain,
! [X0] :
( ~ rearsegP(sk3,X0)
| ~ rearsegP(sk4,X0)
| ~ neq(X0,nil)
| ~ ssList(X0)
| nil != sk3 ),
inference(definition_unfolding,[],[f209,f205,f204,f205]) ).
tcf(c_306,plain,
! [X0: $i] :
( rearsegP(X0,X0)
| ~ ssList(X0) ),
inference(cnf_transformation,[],[f59]) ).
tcf(c_329,plain,
! [X0: $i] :
( ( X0 = nil )
| ~ ssList(X0)
| ~ rearsegP(nil,X0) ),
inference(cnf_transformation,[],[f82]) ).
tcf(c_362,plain,
! [X0: $i] :
( ~ ssList(X0)
| ~ neq(X0,X0) ),
inference(cnf_transformation,[],[f245]) ).
tcf(c_435,negated_conjecture,
ssList(sk3),
inference(cnf_transformation,[],[f202]) ).
tcf(c_436,negated_conjecture,
ssList(sk4),
inference(cnf_transformation,[],[f203]) ).
tcf(c_438,negated_conjecture,
! [X0: $i] :
( ( sk4 = nil )
| ~ ssList(X0)
| ~ rearsegP(sk4,X0)
| ~ rearsegP(sk3,X0)
| ~ neq(X0,nil) ),
inference(cnf_transformation,[],[f217]) ).
tcf(c_439,negated_conjecture,
( neq(sk4,nil)
| ( sk3 != nil ) ),
inference(cnf_transformation,[],[f218]) ).
tcf(c_440,negated_conjecture,
! [X0: $i] :
( ~ ssList(X0)
| ~ rearsegP(sk4,X0)
| ~ rearsegP(sk3,X0)
| ~ neq(X0,nil)
| ( sk3 != nil ) ),
inference(cnf_transformation,[],[f219]) ).
tcf(c_441,negated_conjecture,
( neq(sk3,nil)
| ( sk4 = nil ) ),
inference(cnf_transformation,[],[f210]) ).
tcf(c_442,negated_conjecture,
( rearsegP(sk4,sk3)
| ( sk4 = nil ) ),
inference(cnf_transformation,[],[f211]) ).
tcf(c_443,negated_conjecture,
( neq(sk3,nil)
| ( sk3 = nil ) ),
inference(cnf_transformation,[],[f212]) ).
tcf(c_444,negated_conjecture,
( rearsegP(sk4,sk3)
| ( sk3 = nil ) ),
inference(cnf_transformation,[],[f213]) ).
tcf(c_3614,plain,
! [X0: $i] :
( ( sk4 = nil )
| ~ ssList(X0)
| ~ rearsegP(sk4,X0)
| ~ rearsegP(sk3,X0)
| ( nil != nil )
| ( sk3 != nil )
| ( X0 != sk3 ) ),
inference(resolution_lifted,[status(thm)],[c_440,c_441]) ).
tcf(c_3615,plain,
( ( sk4 = nil )
| ~ ssList(sk3)
| ~ rearsegP(sk4,sk3)
| ~ rearsegP(sk3,sk3)
| ( sk3 != nil ) ),
inference(unflattening,[status(thm)],[c_3614]) ).
tcf(c_3616,plain,
( ( sk4 = nil )
| ~ rearsegP(sk3,sk3)
| ( sk3 != nil ) ),
inference(global_subsumption_just,[status(thm)],[c_3615,c_435,c_442,c_3615]) ).
tcf(c_3627,plain,
! [X0: $i] :
( ( sk4 = nil )
| ( sk3 = nil )
| ~ ssList(X0)
| ~ rearsegP(sk4,X0)
| ~ rearsegP(sk3,X0)
| ( nil != nil )
| ( X0 != sk3 ) ),
inference(resolution_lifted,[status(thm)],[c_438,c_443]) ).
tcf(c_3628,plain,
( ( sk4 = nil )
| ( sk3 = nil )
| ~ ssList(sk3)
| ~ rearsegP(sk4,sk3)
| ~ rearsegP(sk3,sk3) ),
inference(unflattening,[status(thm)],[c_3627]) ).
tcf(c_3629,plain,
( ( sk4 = nil )
| ~ rearsegP(sk3,sk3) ),
inference(global_subsumption_just,[status(thm)],[c_3628,c_435,c_442,c_3616,c_3628]) ).
tcf(c_3774,plain,
! [X0: $i] :
( ( sk4 = nil )
| ~ ssList(X0)
| ( X0 != nil )
| ( X0 != sk3 ) ),
inference(resolution_lifted,[status(thm)],[c_441,c_362]) ).
tcf(c_3775,plain,
( ( sk4 = nil )
| ~ ssList(sk3)
| ( sk3 != nil ) ),
inference(unflattening,[status(thm)],[c_3774]) ).
tcf(c_3804,plain,
! [X0: $i] :
( ~ ssList(X0)
| ( sk3 != nil )
| ( X0 != nil )
| ( X0 != sk4 ) ),
inference(resolution_lifted,[status(thm)],[c_362,c_439]) ).
tcf(c_3805,plain,
( ~ ssList(sk4)
| ( sk4 != nil )
| ( sk3 != nil ) ),
inference(unflattening,[status(thm)],[c_3804]) ).
tcf(c_3806,plain,
sk3 != nil,
inference(global_subsumption_just,[status(thm)],[c_3805,c_436,c_435,c_3775,c_3805]) ).
tcf(c_3825,negated_conjecture,
rearsegP(sk4,sk3),
inference(global_subsumption_just,[status(thm)],[c_442,c_444,c_3806]) ).
tcf(c_9690,negated_conjecture,
rearsegP(sk4,sk3),
inference(demodulation,[status(thm)],[c_3825]) ).
tcf(c_9691,plain,
sk3 != nil,
inference(demodulation,[status(thm)],[c_3806]) ).
tcf(c_9694,plain,
( ( sk4 = nil )
| ~ rearsegP(sk3,sk3) ),
inference(demodulation,[status(thm)],[c_3629]) ).
tcf(c_9696,negated_conjecture,
ssList(sk3),
inference(demodulation,[status(thm)],[c_435]) ).
tcf(c_12274,plain,
( ( sk4 = nil )
| ~ ssList(sk3) ),
inference(superposition,[status(thm)],[c_306,c_9694]) ).
tcf(c_12276,plain,
sk4 = nil,
inference(forward_subsumption_resolution,[status(thm)],[c_12274,c_9696]) ).
tcf(c_12277,plain,
rearsegP(nil,sk3),
inference(demodulation,[status(thm)],[c_9690,c_12276]) ).
tcf(c_12769,plain,
( ( sk3 = nil )
| ~ ssList(sk3) ),
inference(superposition,[status(thm)],[c_12277,c_329]) ).
tcf(c_12770,plain,
$false,
inference(forward_subsumption_resolution,[status(thm)],[c_12769,c_9691,c_9696]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.02 % Problem : SWC048-1 : TPTP v9.3.1. Released v2.4.0.
% 0.00/0.03 % Command : run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% 0.09/0.38 % Computer : n015.cluster.edu
% 0.09/0.38 % Model : x86_64 x86_64
% 0.09/0.38 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.09/0.38 % Memory : 8046.5625MB
% 0.09/0.38 % OS : Linux 6.8.0-71-generic
% 0.09/0.38 % CPULimit : 300
% 0.09/0.38 % WCLimit : 300
% 0.09/0.38 % DateTime : Thu Sep 24 16:09:26 UTC 2026
% 0.14/0.39 % CPUTime :
% 0.14/0.39 Running run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% 0.14/0.42 Running first-order theorem proving
% 0.14/0.42 Running: /export/starexec/sandbox/solver/bin/iproveropt-multi-core.sh -d -n -l tptp -s fof_schedule -t 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.14/0.44
% 0.14/0.44 % ======== iProver multi-core TPTP/SMT =========
% 0.14/0.44
% 0.14/0.44 % Detected problem language: tptp
% 0.14/0.45 % Proving...
% 2.43/1.09 % SZS status Started for theBenchmark.p
% 2.43/1.09 % SZS status Unsatisfiable for theBenchmark.p
% 2.43/1.09
% 2.43/1.09 %---------------- iProver v3.9.4 (pre CASC 2026/SMT-COMP 2026) ----------------%
% 2.43/1.09
% 2.43/1.09 % ------ iProver source info
% 2.43/1.09
% 2.43/1.09 % git: date: 2026-07-19 20:42:38 +0200
% 2.43/1.09 % git: sha1: 804e7d636a263075307957e923b7a22a4035de61
% 2.43/1.09 % git: non_committed_changes: false
% 2.43/1.09
% 2.43/1.09 % ------ Parsing...% successful
% 2.43/1.09
% 2.43/1.09
% 2.43/1.09 % ------ Clausification by vclausify_rel & Parsing by iProver...%
% 2.43/1.09
% 2.43/1.09 % ------ Preprocessing... sup_sim: 0 sf_s rm: 1 0s sf_e pe_s pe:1:0s pe_e sup_sim: 0 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 %
% 2.43/1.09
% 2.43/1.09 % ------ Preprocessing... gs_s sp: 2 0s gs_e snvd_s sp: 0 0s snvd_e %
% 2.43/1.09
% 2.43/1.09 % ------ Preprocessing... sf_s rm: 1 0s sf_e sf_s rm: 0 0s sf_e
% 2.43/1.09 % ------ Proving...
% 2.43/1.09 % ------ Problem Properties
% 2.43/1.09
% 2.43/1.09 %
% 2.43/1.09 % clauses 184
% 2.43/1.09 % conjectures 3
% 2.43/1.09 % EPR 59
% 2.43/1.09 % Horn 155
% 2.43/1.09 % unary 62
% 2.43/1.09 % binary 22
% 2.43/1.09 % lits 555
% 2.43/1.09 % lits eq 74
% 2.43/1.09 % fd_pure 0
% 2.43/1.09 % fd_pseudo 0
% 2.43/1.09 % fd_cond 16
% 2.43/1.09 % fd_pseudo_cond 14
% 2.43/1.09 % AC symbols 0
% 2.43/1.09
% 2.43/1.09 % ------ Schedule dynamic 5 is on
% 2.43/1.09
% 2.43/1.09 % ------ Input Options "--resolution_flag false --inst_lit_sel_side none" Time Limit: 10.
% 2.43/1.09
% 2.43/1.09
% 2.43/1.09 % ------
% 2.43/1.09 % Current options:
% 2.43/1.09 % ------
% 2.43/1.09
% 2.43/1.09
% 2.43/1.09 %
% 2.43/1.09
% 2.43/1.09 % ------ Proving...
% 2.43/1.09 %
% 2.43/1.09
% 2.43/1.09 % SZS status Unsatisfiable for theBenchmark.p
% 2.43/1.09
% 2.43/1.09 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 2.43/1.09
%------------------------------------------------------------------------------