%------------------------------------------------------------------------------
% File : iProver---3.9.4
% Problem : SWC386-1 : 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 : 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 03:09:34 PM UTC 2026
% Result : Unsatisfiable 0.71s 1.49s
% Output : CNFRefutation 0.71s
% Verified :
% SZS Type : ERROR: Analysing output (Could not find formula named f232ERROR: Could not build tree for root c_2312ERROR: MakeTreeStats fails)
% Comments :
%------------------------------------------------------------------------------
fof(f71,axiom,
! [X0] :
( ~ ssItem(X0)
| ~ memberP(nil,X0) ),
file('/export/starexec/sandbox2/benchmark/Axioms/SWC001-0.ax',clause71) ).
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,
( nil = sk4
| ssItem(sk5) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1_7) ).
fof(f207,negated_conjecture,
( nil = sk3
| ssItem(sk5) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1_8) ).
fof(f208,negated_conjecture,
( nil = sk4
| cons(sk5,nil) = sk3 ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1_9) ).
fof(f209,plain,
( nil = sk4
| sk3 = cons(sk5,nil) ),
inference(reorient_equations,[],[f208]) ).
fof(f210,negated_conjecture,
( nil = sk4
| memberP(sk4,sk5) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1_10) ).
fof(f211,negated_conjecture,
( nil = sk3
| cons(sk5,nil) = sk3 ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1_11) ).
fof(f212,plain,
( nil = sk3
| sk3 = cons(sk5,nil) ),
inference(reorient_equations,[],[f211]) ).
fof(f213,negated_conjecture,
( nil = sk3
| memberP(sk4,sk5) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1_12) ).
fof(f215,negated_conjecture,
! [X0] :
( ~ memberP(sk2,X0)
| cons(X0,nil) != sk1
| ~ ssItem(X0)
| nil = sk2 ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1_14) ).
fof(f216,negated_conjecture,
( neq(sk2,nil)
| nil != sk1 ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1_15) ).
fof(f221,plain,
! [X0] :
( ~ memberP(sk4,X0)
| cons(X0,nil) != sk3
| ~ ssItem(X0)
| nil = sk4 ),
inference(definition_unfolding,[],[f215,f204,f205,f204]) ).
fof(f222,plain,
( neq(sk4,nil)
| nil != sk3 ),
inference(definition_unfolding,[],[f216,f205,f204]) ).
tcf(c_253,negated_conjecture,
ssList(sk4),
inference(cnf_transformation,[],[f203]) ).
tcf(c_254,negated_conjecture,
( ssItem(sk5)
| ( sk4 = nil ) ),
inference(cnf_transformation,[],[f206]) ).
tcf(c_255,negated_conjecture,
( ssItem(sk5)
| ( sk3 = nil ) ),
inference(cnf_transformation,[],[f207]) ).
tcf(c_256,negated_conjecture,
( ( sk4 = nil )
| ( cons(sk5,nil) = sk3 ) ),
inference(cnf_transformation,[],[f209]) ).
tcf(c_257,negated_conjecture,
( memberP(sk4,sk5)
| ( sk4 = nil ) ),
inference(cnf_transformation,[],[f210]) ).
tcf(c_258,negated_conjecture,
( ( sk3 = nil )
| ( cons(sk5,nil) = sk3 ) ),
inference(cnf_transformation,[],[f212]) ).
tcf(c_259,negated_conjecture,
( memberP(sk4,sk5)
| ( sk3 = nil ) ),
inference(cnf_transformation,[],[f213]) ).
tcf(c_261,negated_conjecture,
! [X0: $i] :
( ( sk4 = nil )
| ~ ssItem(X0)
| ~ memberP(sk4,X0)
| ( cons(X0,nil) != sk3 ) ),
inference(cnf_transformation,[],[f221]) ).
tcf(c_262,negated_conjecture,
( neq(sk4,nil)
| ( sk3 != nil ) ),
inference(cnf_transformation,[],[f222]) ).
tcf(c_279,plain,
! [X0: $i] :
( ~ ssItem(X0)
| ~ memberP(nil,X0) ),
inference(cnf_transformation,[],[f71]) ).
tcf(c_281,plain,
! [X0: $i] :
( ~ ssList(X0)
| ~ neq(X0,X0) ),
inference(cnf_transformation,[],[f232]) ).
tcf(c_859,plain,
! [X0: $i] :
( ~ ssList(X0)
| ( sk3 != nil )
| ( X0 != nil )
| ( X0 != sk4 ) ),
inference(resolution_lifted,[status(thm)],[c_262,c_281]) ).
tcf(c_860,plain,
( ~ ssList(sk4)
| ( sk4 != nil )
| ( sk3 != nil ) ),
inference(unflattening,[status(thm)],[c_859]) ).
tcf(c_877,negated_conjecture,
memberP(sk4,sk5),
inference(global_subsumption_just,[status(thm)],[c_259,c_253,c_259,c_257,c_860]) ).
tcf(c_879,negated_conjecture,
cons(sk5,nil) = sk3,
inference(global_subsumption_just,[status(thm)],[c_258,c_253,c_258,c_256,c_860]) ).
tcf(c_881,negated_conjecture,
memberP(sk4,sk5),
inference(global_subsumption_just,[status(thm)],[c_257,c_877]) ).
tcf(c_883,negated_conjecture,
cons(sk5,nil) = sk3,
inference(global_subsumption_just,[status(thm)],[c_256,c_879]) ).
tcf(c_885,negated_conjecture,
ssItem(sk5),
inference(global_subsumption_just,[status(thm)],[c_255,c_253,c_255,c_254,c_860]) ).
tcf(c_887,negated_conjecture,
ssItem(sk5),
inference(global_subsumption_just,[status(thm)],[c_254,c_885]) ).
tcf(c_2303,plain,
( ( sk4 = nil )
| ~ ssItem(sk5)
| ~ memberP(sk4,sk5) ),
inference(superposition,[status(thm)],[c_883,c_261]) ).
tcf(c_2304,plain,
sk4 = nil,
inference(forward_subsumption_resolution,[status(thm)],[c_2303,c_887,c_881]) ).
tcf(c_2305,plain,
memberP(nil,sk5),
inference(demodulation,[status(thm)],[c_881,c_2304]) ).
tcf(c_2311,plain,
~ ssItem(sk5),
inference(superposition,[status(thm)],[c_2305,c_279]) ).
tcf(c_2312,plain,
$false,
inference(forward_subsumption_resolution,[status(thm)],[c_2311,c_887]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : SWC386-1 : TPTP v9.3.1. Released v2.4.0.
% 0.00/0.04 % Command : run_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM
% 0.09/0.57 % Computer : n013.cluster.edu
% 0.09/0.57 % Model : x86_64 x86_64
% 0.09/0.57 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.09/0.57 % Memory : 8046.5625MB
% 0.09/0.57 % OS : Linux 6.8.0-71-generic
% 0.09/0.57 % CPULimit : 300
% 0.09/0.57 % WCLimit : 300
% 0.09/0.58 % DateTime : Thu Sep 24 17:57:41 UTC 2026
% 0.09/0.58 % CPUTime :
% 0.09/0.58 Running run_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM
% 0.09/0.62 Running first-order theorem proving
% 0.09/0.62 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
% 0.15/0.63
% 0.15/0.63 % ======== iProver multi-core TPTP/SMT =========
% 0.15/0.63
% 0.15/0.63 % Detected problem language: tptp
% 0.15/0.64 % Proving...
% 0.71/1.49 % SZS status Started for theBenchmark.p
% 0.71/1.49 % SZS status Unsatisfiable for theBenchmark.p
% 0.71/1.49
% 0.71/1.49 %---------------- iProver v3.9.4 (pre CASC 2026/SMT-COMP 2026) ----------------%
% 0.71/1.49
% 0.71/1.49 % ------ iProver source info
% 0.71/1.49
% 0.71/1.49 % git: date: 2026-07-19 20:42:38 +0200
% 0.71/1.49 % git: sha1: 804e7d636a263075307957e923b7a22a4035de61
% 0.71/1.49 % git: non_committed_changes: false
% 0.71/1.49
% 0.71/1.49 % ------ Parsing...% successful
% 0.71/1.49
% 0.71/1.49
% 0.71/1.49 % ------ Clausification by vclausify_rel & Parsing by iProver...%
% 0.71/1.49
% 0.71/1.49 % ------ 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 %
% 0.71/1.49
% 0.71/1.49 % ------ Preprocessing... gs_s sp: 0 0s gs_e snvd_s sp: 0 0s snvd_e %
% 0.71/1.49
% 0.71/1.49 % ------ Preprocessing... sf_s rm: 1 0s sf_e sf_s rm: 0 0s sf_e
% 0.71/1.49 % ------ Proving...
% 0.71/1.49 % ------ Problem Properties
% 0.71/1.49
% 0.71/1.49 %
% 0.71/1.49 % clauses 33
% 0.71/1.49 % conjectures 7
% 0.71/1.49 % EPR 7
% 0.71/1.49 % Horn 31
% 0.71/1.49 % unary 7
% 0.71/1.49 % binary 4
% 0.71/1.49 % lits 111
% 0.71/1.49 % lits eq 28
% 0.71/1.49 % fd_pure 0
% 0.71/1.49 % fd_pseudo 0
% 0.71/1.49 % fd_cond 2
% 0.71/1.49 % fd_pseudo_cond 5
% 0.71/1.49 % AC symbols 0
% 0.71/1.49
% 0.71/1.49 % ------ Schedule dynamic 5 is on
% 0.71/1.49
% 0.71/1.49 % ------ Input Options "--resolution_flag false --inst_lit_sel_side none" Time Limit: 10.
% 0.71/1.49
% 0.71/1.49
% 0.71/1.49 % ------
% 0.71/1.49 % Current options:
% 0.71/1.49 % ------
% 0.71/1.49
% 0.71/1.49
% 0.71/1.49 %
% 0.71/1.49
% 0.71/1.49 % ------ Proving...
% 0.71/1.49 %
% 0.71/1.49
% 0.71/1.49 % SZS status Unsatisfiable for theBenchmark.p
% 0.71/1.49
% 0.71/1.49 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 0.71/1.49
% 0.71/1.49
%------------------------------------------------------------------------------