%------------------------------------------------------------------------------
% File : iProver---3.9.4
% Problem : SWC024-1 : 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 : n013.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 03:07:34 PM UTC 2026
% Result : Unsatisfiable 3.50s 1.17s
% Output : CNFRefutation 3.50s
% Verified :
% SZS Type : ERROR: Analysing output (Could not find formula named f244ERROR: Could not build tree for root c_9281ERROR: MakeTreeStats fails)
% Comments :
%------------------------------------------------------------------------------
fof(f8,axiom,
ssList(nil),
file('/export/starexec/sandbox/benchmark/Axioms/SWC001-0.ax',clause8) ).
fof(f61,axiom,
! [X0] :
( frontsegP(X0,X0)
| ~ ssList(X0) ),
file('/export/starexec/sandbox/benchmark/Axioms/SWC001-0.ax',clause61) ).
fof(f85,axiom,
! [X0,X1] :
( ssList(app(X1,X0))
| ~ ssList(X1)
| ~ ssList(X0) ),
file('/export/starexec/sandbox/benchmark/Axioms/SWC001-0.ax',clause85) ).
fof(f101,axiom,
! [X0,X1] :
( X1 = X0
| neq(X1,X0)
| ~ ssList(X1)
| ~ ssList(X0) ),
file('/export/starexec/sandbox/benchmark/Axioms/SWC001-0.ax',clause100) ).
fof(f102,plain,
! [X0,X1] :
( X0 = X1
| neq(X1,X0)
| ~ ssList(X1)
| ~ ssList(X0) ),
inference(reorient_equations,[],[f101]) ).
fof(f155,axiom,
! [X2,X0,X1] :
( frontsegP(X2,X0)
| ~ ssList(X2)
| ~ ssList(X0)
| ~ ssList(X1)
| app(X0,X1) != X2 ),
file('/export/starexec/sandbox/benchmark/Axioms/SWC001-0.ax',clause144) ).
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(f206,negated_conjecture,
neq(sk2,nil),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_7) ).
fof(f207,negated_conjecture,
! [X0] :
( ~ frontsegP(sk1,X0)
| ~ frontsegP(sk2,X0)
| ~ neq(X0,nil)
| ~ ssList(X0) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_8) ).
fof(f208,negated_conjecture,
ssList(sk5),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_9) ).
fof(f209,negated_conjecture,
app(sk3,sk5) = sk4,
file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_10) ).
fof(f210,plain,
sk4 = app(sk3,sk5),
inference(reorient_equations,[],[f209]) ).
fof(f214,negated_conjecture,
( nil != sk3
| nil = sk4 ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_13) ).
fof(f217,plain,
neq(sk4,nil),
inference(definition_unfolding,[],[f206,f204]) ).
fof(f218,plain,
! [X0] :
( ~ frontsegP(sk3,X0)
| ~ frontsegP(sk4,X0)
| ~ neq(X0,nil)
| ~ ssList(X0) ),
inference(definition_unfolding,[],[f207,f204,f205]) ).
fof(f230,plain,
! [X0,X1] :
( frontsegP(app(X0,X1),X0)
| ~ ssList(app(X0,X1))
| ~ ssList(X0)
| ~ ssList(X1) ),
inference(equality_resolution,[],[f155]) ).
tcf(c_254,plain,
ssList(nil),
inference(cnf_transformation,[],[f8]) ).
tcf(c_307,plain,
! [X0: $i] :
( frontsegP(X0,X0)
| ~ ssList(X0) ),
inference(cnf_transformation,[],[f61]) ).
tcf(c_331,plain,
! [X0: $i,X1: $i] :
( ssList(app(X1,X0))
| ~ ssList(X1)
| ~ ssList(X0) ),
inference(cnf_transformation,[],[f85]) ).
tcf(c_346,plain,
! [X0: $i,X1: $i] :
( neq(X1,X0)
| ( X0 = X1 )
| ~ ssList(X1)
| ~ ssList(X0) ),
inference(cnf_transformation,[],[f102]) ).
tcf(c_361,plain,
! [X0: $i] :
( ~ ssList(X0)
| ~ neq(X0,X0) ),
inference(cnf_transformation,[],[f244]) ).
tcf(c_390,plain,
! [X0: $i,X1: $i] :
( frontsegP(app(X0,X1),X0)
| ~ ssList(X1)
| ~ ssList(X0)
| ~ ssList(app(X0,X1)) ),
inference(cnf_transformation,[],[f230]) ).
tcf(c_434,negated_conjecture,
ssList(sk3),
inference(cnf_transformation,[],[f202]) ).
tcf(c_435,negated_conjecture,
ssList(sk4),
inference(cnf_transformation,[],[f203]) ).
tcf(c_436,negated_conjecture,
neq(sk4,nil),
inference(cnf_transformation,[],[f217]) ).
tcf(c_437,negated_conjecture,
! [X0: $i] :
( ~ ssList(X0)
| ~ frontsegP(sk4,X0)
| ~ frontsegP(sk3,X0)
| ~ neq(X0,nil) ),
inference(cnf_transformation,[],[f218]) ).
tcf(c_438,negated_conjecture,
ssList(sk5),
inference(cnf_transformation,[],[f208]) ).
tcf(c_439,negated_conjecture,
app(sk3,sk5) = sk4,
inference(cnf_transformation,[],[f210]) ).
tcf(c_442,negated_conjecture,
( ( sk4 = nil )
| ( sk3 != nil ) ),
inference(cnf_transformation,[],[f214]) ).
tcf(c_803,plain,
! [X0: $i,X1: $i] :
( frontsegP(app(X0,X1),X0)
| ~ ssList(X1)
| ~ ssList(X0) ),
inference(backward_subsumption_resolution,[status(thm)],[c_390,c_331]) ).
tcf(c_2884,plain,
! [X0: $i,X1: $i,X2: $i] :
( ( X1 = X2 )
| ~ ssList(X2)
| ~ ssList(X1)
| ~ ssList(X0)
| ~ frontsegP(sk4,X0)
| ~ frontsegP(sk3,X0)
| ( X2 != nil )
| ( X0 != X1 ) ),
inference(resolution_lifted,[status(thm)],[c_437,c_346]) ).
tcf(c_2885,plain,
! [X0: $i] :
( ( X0 = nil )
| ~ ssList(nil)
| ~ ssList(X0)
| ~ frontsegP(sk4,X0)
| ~ frontsegP(sk3,X0) ),
inference(unflattening,[status(thm)],[c_2884]) ).
tcf(c_2887,plain,
! [X0: $i] :
( ( X0 = nil )
| ~ frontsegP(sk3,X0)
| ~ frontsegP(sk4,X0)
| ~ ssList(X0) ),
inference(global_subsumption_just,[status(thm)],[c_2885,c_254,c_2885]) ).
tcf(c_2888,plain,
! [X0: $i] :
( ( X0 = nil )
| ~ ssList(X0)
| ~ frontsegP(sk4,X0)
| ~ frontsegP(sk3,X0) ),
inference(renaming,[status(thm)],[c_2887]) ).
tcf(c_2927,plain,
! [X0: $i] :
( ~ ssList(X0)
| ( X0 != nil )
| ( X0 != sk4 ) ),
inference(resolution_lifted,[status(thm)],[c_361,c_436]) ).
tcf(c_2928,plain,
( ~ ssList(sk4)
| ( sk4 != nil ) ),
inference(unflattening,[status(thm)],[c_2927]) ).
tcf(c_2929,plain,
sk4 != nil,
inference(global_subsumption_just,[status(thm)],[c_2928,c_435,c_2928]) ).
tcf(c_2941,plain,
sk3 != nil,
inference(backward_subsumption_resolution,[status(thm)],[c_442,c_2929]) ).
tcf(c_6656,definition,
iPr_def_12 = app(sk3,sk5),
introduced(definition,[new_symbols(definition,[iPr_def_12])],[]) ).
tcf(c_6657,plain,
sk3 != nil,
inference(demodulation,[status(thm)],[c_2941]) ).
tcf(c_6660,plain,
! [X0: $i] :
( ( X0 = nil )
| ~ ssList(X0)
| ~ frontsegP(sk4,X0)
| ~ frontsegP(sk3,X0) ),
inference(demodulation,[status(thm)],[c_2888]) ).
tcf(c_6663,negated_conjecture,
iPr_def_12 = sk4,
inference(demodulation,[status(thm)],[c_439,c_6656]) ).
tcf(c_6664,negated_conjecture,
ssList(sk5),
inference(demodulation,[status(thm)],[c_438]) ).
tcf(c_6666,negated_conjecture,
ssList(sk3),
inference(demodulation,[status(thm)],[c_434]) ).
tcf(c_9221,plain,
! [X0: $i] :
( ( X0 = nil )
| ~ ssList(X0)
| ~ frontsegP(iPr_def_12,X0)
| ~ frontsegP(sk3,X0) ),
inference(light_normalisation,[status(thm)],[c_6660,c_6663]) ).
tcf(c_9244,plain,
( frontsegP(iPr_def_12,sk3)
| ~ ssList(sk5)
| ~ ssList(sk3) ),
inference(superposition,[status(thm)],[c_6656,c_803]) ).
tcf(c_9246,plain,
frontsegP(iPr_def_12,sk3),
inference(forward_subsumption_resolution,[status(thm)],[c_9244,c_6664,c_6666]) ).
tcf(c_9280,plain,
( ( sk3 = nil )
| ~ ssList(sk3)
| ~ frontsegP(iPr_def_12,sk3) ),
inference(superposition,[status(thm)],[c_307,c_9221]) ).
tcf(c_9281,plain,
$false,
inference(forward_subsumption_resolution,[status(thm)],[c_9280,c_6657,c_6666,c_9246]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.02 % Problem : SWC024-1 : TPTP v9.3.1. Released v2.4.0.
% 0.00/0.04 % Command : run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% 0.10/0.35 % Computer : n013.cluster.edu
% 0.10/0.35 % Model : x86_64 x86_64
% 0.10/0.35 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/0.35 % Memory : 8046.5625MB
% 0.10/0.35 % OS : Linux 6.8.0-71-generic
% 0.10/0.35 % CPULimit : 300
% 0.10/0.35 % WCLimit : 300
% 0.10/0.35 % DateTime : Thu Sep 24 15:58:21 UTC 2026
% 0.10/0.35 % CPUTime :
% 0.10/0.35 Running run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% 0.13/0.39 Running first-order theorem proving
% 0.13/0.39 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
% 0.13/0.40
% 0.13/0.40 % ======== iProver multi-core TPTP/SMT =========
% 0.13/0.40
% 0.13/0.40 % Detected problem language: tptp
% 0.13/0.42 % Proving...
% 3.50/1.17 % SZS status Started for theBenchmark.p
% 3.50/1.17 % SZS status Unsatisfiable for theBenchmark.p
% 3.50/1.17
% 3.50/1.17 %---------------- iProver v3.9.4 (pre CASC 2026/SMT-COMP 2026) ----------------%
% 3.50/1.17
% 3.50/1.17 % ------ iProver source info
% 3.50/1.17
% 3.50/1.17 % git: date: 2026-07-19 20:42:38 +0200
% 3.50/1.17 % git: sha1: 804e7d636a263075307957e923b7a22a4035de61
% 3.50/1.17 % git: non_committed_changes: false
% 3.50/1.17
% 3.50/1.17 % ------ Parsing...% successful
% 3.50/1.17
% 3.50/1.17
% 3.50/1.17 % ------ Clausification by vclausify_rel & Parsing by iProver...%
% 3.50/1.17
% 3.50/1.17 % ------ 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 %
% 3.50/1.17
% 3.50/1.17 % ------ Preprocessing... gs_s sp: 2 0s gs_e snvd_s sp: 0 0s snvd_e %
% 3.50/1.17
% 3.50/1.17 % ------ Preprocessing... sf_s rm: 1 0s sf_e sf_s rm: 0 0s sf_e
% 3.50/1.17 % ------ Proving...
% 3.50/1.17 % ------ Problem Properties
% 3.50/1.17
% 3.50/1.17 %
% 3.50/1.17 % clauses 188
% 3.50/1.17 % conjectures 6
% 3.50/1.17 % EPR 61
% 3.50/1.17 % Horn 160
% 3.50/1.17 % unary 66
% 3.50/1.17 % binary 22
% 3.50/1.17 % lits 560
% 3.50/1.17 % lits eq 76
% 3.50/1.17 % fd_pure 0
% 3.50/1.17 % fd_pseudo 0
% 3.50/1.17 % fd_cond 16
% 3.50/1.17 % fd_pseudo_cond 14
% 3.50/1.17 % AC symbols 0
% 3.50/1.17
% 3.50/1.17 % ------ Schedule dynamic 5 is on
% 3.50/1.17
% 3.50/1.17 % ------ Input Options "--resolution_flag false --inst_lit_sel_side none" Time Limit: 10.
% 3.50/1.17
% 3.50/1.17
% 3.50/1.17 % ------
% 3.50/1.17 % Current options:
% 3.50/1.17 % ------
% 3.50/1.17
% 3.50/1.17
% 3.50/1.17 %
% 3.50/1.17
% 3.50/1.17 % ------ Proving...
% 3.50/1.17 %
% 3.50/1.17
% 3.50/1.17 % SZS status Unsatisfiable for theBenchmark.p
% 3.50/1.17
% 3.50/1.17 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 3.50/1.17
% 3.50/1.17
%------------------------------------------------------------------------------