%------------------------------------------------------------------------------
% File : iProver---3.9.4
% Problem : SWC213-1 : 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 : n011.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 03:08:53 PM UTC 2026
% Result : Unsatisfiable 2.31s 1.28s
% Output : CNFRefutation 2.31s
% Verified :
% SZS Type : ERROR: Analysing output (Could not find formula named f247ERROR: Could not build tree for root c_4786ERROR: MakeTreeStats fails)
% Comments :
%------------------------------------------------------------------------------
fof(f8,axiom,
ssList(nil),
file('/export/starexec/sandbox2/benchmark/Axioms/SWC001-0.ax',clause8) ).
fof(f101,axiom,
! [X0,X1] :
( X1 = X0
| neq(X1,X0)
| ~ ssList(X1)
| ~ ssList(X0) ),
file('/export/starexec/sandbox2/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(f202,negated_conjecture,
ssList(sk3),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1_3) ).
fof(f203,negated_conjecture,
ssList(sk4),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1_4) ).
fof(f204,negated_conjecture,
sk2 = sk4,
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1_5) ).
fof(f205,negated_conjecture,
sk1 = sk3,
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1_6) ).
fof(f206,negated_conjecture,
neq(sk2,nil),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1_7) ).
fof(f216,negated_conjecture,
~ neq(sk1,nil),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1_14) ).
fof(f217,negated_conjecture,
( nil != sk3
| nil = sk4 ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1_15) ).
fof(f220,plain,
neq(sk4,nil),
inference(definition_unfolding,[],[f206,f204]) ).
fof(f221,plain,
~ neq(sk3,nil),
inference(definition_unfolding,[],[f216,f205]) ).
tcf(c_256,plain,
ssList(nil),
inference(cnf_transformation,[],[f8]) ).
tcf(c_348,plain,
! [X0: $i,X1: $i] :
( neq(X1,X0)
| ( X0 = X1 )
| ~ ssList(X1)
| ~ ssList(X0) ),
inference(cnf_transformation,[],[f102]) ).
tcf(c_363,plain,
! [X0: $i] :
( ~ ssList(X0)
| ~ neq(X0,X0) ),
inference(cnf_transformation,[],[f247]) ).
tcf(c_436,negated_conjecture,
ssList(sk3),
inference(cnf_transformation,[],[f202]) ).
tcf(c_437,negated_conjecture,
ssList(sk4),
inference(cnf_transformation,[],[f203]) ).
tcf(c_438,negated_conjecture,
neq(sk4,nil),
inference(cnf_transformation,[],[f220]) ).
tcf(c_445,negated_conjecture,
~ neq(sk3,nil),
inference(cnf_transformation,[],[f221]) ).
tcf(c_446,negated_conjecture,
( ( sk4 = nil )
| ( sk3 != nil ) ),
inference(cnf_transformation,[],[f217]) ).
tcf(c_2786,plain,
! [X0: $i,X1: $i] :
( ( X0 = X1 )
| ~ ssList(X1)
| ~ ssList(X0)
| ( X1 != sk3 )
| ( X0 != nil ) ),
inference(resolution_lifted,[status(thm)],[c_348,c_445]) ).
tcf(c_2787,plain,
( ( nil = sk3 )
| ~ ssList(nil)
| ~ ssList(sk3) ),
inference(unflattening,[status(thm)],[c_2786]) ).
tcf(c_2788,plain,
nil = sk3,
inference(global_subsumption_just,[status(thm)],[c_2787,c_436,c_256,c_2787]) ).
tcf(c_2801,plain,
! [X0: $i] :
( ~ ssList(X0)
| ( X0 != nil )
| ( X0 != sk4 ) ),
inference(resolution_lifted,[status(thm)],[c_363,c_438]) ).
tcf(c_2802,plain,
( ~ ssList(sk4)
| ( sk4 != nil ) ),
inference(unflattening,[status(thm)],[c_2801]) ).
tcf(c_2803,plain,
sk4 != nil,
inference(global_subsumption_just,[status(thm)],[c_2802,c_437,c_2802]) ).
tcf(c_2816,plain,
sk3 != nil,
inference(backward_subsumption_resolution,[status(thm)],[c_446,c_2803]) ).
tcf(c_4785,plain,
nil != nil,
inference(demodulation,[status(thm)],[c_2816,c_2788]) ).
tcf(c_4786,plain,
$false,
inference(equality_resolution_simp,[status(thm)],[c_4785]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : SWC213-1 : TPTP v9.3.1. Released v2.4.0.
% 0.00/0.04 % Command : run_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM
% 0.09/0.37 % Computer : n011.cluster.edu
% 0.09/0.37 % Model : x86_64 x86_64
% 0.09/0.37 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.09/0.37 % Memory : 8046.5625MB
% 0.09/0.37 % OS : Linux 6.8.0-71-generic
% 0.09/0.37 % CPULimit : 300
% 0.09/0.37 % WCLimit : 300
% 0.09/0.37 % DateTime : Thu Sep 24 17:01:14 UTC 2026
% 0.09/0.37 % CPUTime :
% 0.09/0.37 Running run_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM
% 0.09/0.41 Running first-order theorem proving
% 0.09/0.41 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
% 0.09/0.42
% 0.09/0.42 % ======== iProver multi-core TPTP/SMT =========
% 0.09/0.42
% 0.09/0.42 % Detected problem language: tptp
% 0.09/0.43 % Proving...
% 2.31/1.28 % SZS status Started for theBenchmark.p
% 2.31/1.28 % SZS status Unsatisfiable for theBenchmark.p
% 2.31/1.28
% 2.31/1.28 %---------------- iProver v3.9.4 (pre CASC 2026/SMT-COMP 2026) ----------------%
% 2.31/1.28
% 2.31/1.28 % ------ iProver source info
% 2.31/1.28
% 2.31/1.28 % git: date: 2026-07-19 20:42:38 +0200
% 2.31/1.28 % git: sha1: 804e7d636a263075307957e923b7a22a4035de61
% 2.31/1.28 % git: non_committed_changes: false
% 2.31/1.28
% 2.31/1.28 % ------ Parsing...% successful
% 2.31/1.28
% 2.31/1.28
% 2.31/1.28 % ------ Clausification by vclausify_rel & Parsing by iProver...%
% 2.31/1.28
% 2.31/1.28 % ------ Preprocessing... sup_sim: 0 sf_s rm: 1 0s sf_e pe_s pe:1:0s pe_e %
% 2.31/1.28
% 2.31/1.28 % SZS status Unsatisfiable for theBenchmark.p
% 2.31/1.28
% 2.31/1.28 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 2.31/1.28
% 2.31/1.28
%------------------------------------------------------------------------------