%------------------------------------------------------------------------------
% File : iProver---3.9.4
% Problem : SWC381-1 : 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 : n001.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 03:09:33 PM UTC 2026
% Result : Unsatisfiable 3.53s 1.28s
% Output : CNFRefutation 3.53s
% Verified :
% SZS Type : ERROR: Analysing output (Could not find formula named f257ERROR: Could not build tree for root c_9024ERROR: MakeTreeStats fails)
% Comments :
%------------------------------------------------------------------------------
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(f213,negated_conjecture,
! [X0] :
( ~ neq(sk4,nil)
| ~ memberP(sk2,X0)
| cons(X0,nil) != sk1
| ~ ssItem(X0) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1_13) ).
fof(f214,negated_conjecture,
( ~ neq(sk4,nil)
| ssItem(sk5) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1_14) ).
fof(f215,negated_conjecture,
( ~ neq(sk4,nil)
| cons(sk5,nil) = sk3 ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1_15) ).
fof(f216,plain,
( ~ neq(sk4,nil)
| sk3 = cons(sk5,nil) ),
inference(reorient_equations,[],[f215]) ).
fof(f217,negated_conjecture,
( ~ neq(sk4,nil)
| memberP(sk4,sk5) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1_16) ).
fof(f226,plain,
! [X0] :
( ~ neq(sk4,nil)
| ~ memberP(sk4,X0)
| cons(X0,nil) != sk3
| ~ ssItem(X0) ),
inference(definition_unfolding,[],[f213,f205,f204]) ).
tcf(c_439,negated_conjecture,
neq(sk4,nil),
inference(cnf_transformation,[],[f257]) ).
tcf(c_444,negated_conjecture,
! [X0: $i] :
( ~ ssItem(X0)
| ~ neq(sk4,nil)
| ~ memberP(sk4,X0)
| ( cons(X0,nil) != sk3 ) ),
inference(cnf_transformation,[],[f226]) ).
tcf(c_445,negated_conjecture,
( ssItem(sk5)
| ~ neq(sk4,nil) ),
inference(cnf_transformation,[],[f214]) ).
tcf(c_446,negated_conjecture,
( ( cons(sk5,nil) = sk3 )
| ~ neq(sk4,nil) ),
inference(cnf_transformation,[],[f216]) ).
tcf(c_447,negated_conjecture,
( memberP(sk4,sk5)
| ~ neq(sk4,nil) ),
inference(cnf_transformation,[],[f217]) ).
tcf(c_558,negated_conjecture,
ssItem(sk5),
inference(global_subsumption_just,[status(thm)],[c_445,c_439,c_445]) ).
tcf(c_568,negated_conjecture,
memberP(sk4,sk5),
inference(global_subsumption_just,[status(thm)],[c_447,c_439,c_447]) ).
tcf(c_574,negated_conjecture,
cons(sk5,nil) = sk3,
inference(global_subsumption_just,[status(thm)],[c_446,c_439,c_446]) ).
tcf(c_582,plain,
! [X0: $i] :
( ~ ssItem(X0)
| ( cons(X0,nil) != sk3 )
| ~ memberP(sk4,X0) ),
inference(global_subsumption_just,[status(thm)],[c_444,c_439,c_444]) ).
tcf(c_583,negated_conjecture,
! [X0: $i] :
( ~ ssItem(X0)
| ~ memberP(sk4,X0)
| ( cons(X0,nil) != sk3 ) ),
inference(renaming,[status(thm)],[c_582]) ).
tcf(c_6498,definition,
iPr_def_12 = cons(sk5,nil),
introduced(definition,[new_symbols(definition,[iPr_def_12])],[]) ).
tcf(c_6500,negated_conjecture,
! [X0: $i] :
( ~ ssItem(X0)
| ~ memberP(sk4,X0)
| ( cons(X0,nil) != sk3 ) ),
inference(demodulation,[status(thm)],[c_583]) ).
tcf(c_6501,negated_conjecture,
iPr_def_12 = sk3,
inference(demodulation,[status(thm)],[c_574,c_6498]) ).
tcf(c_6502,negated_conjecture,
memberP(sk4,sk5),
inference(demodulation,[status(thm)],[c_568]) ).
tcf(c_6503,negated_conjecture,
ssItem(sk5),
inference(demodulation,[status(thm)],[c_558]) ).
tcf(c_9015,plain,
! [X0: $i] :
( ~ ssItem(X0)
| ~ memberP(sk4,X0)
| ( cons(X0,nil) != iPr_def_12 ) ),
inference(light_normalisation,[status(thm)],[c_6500,c_6501]) ).
tcf(c_9023,plain,
( ~ ssItem(sk5)
| ~ memberP(sk4,sk5) ),
inference(superposition,[status(thm)],[c_6498,c_9015]) ).
tcf(c_9024,plain,
$false,
inference(forward_subsumption_resolution,[status(thm)],[c_9023,c_6503,c_6502]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.02 % Problem : SWC381-1 : TPTP v9.3.1. Released v2.4.0.
% 0.00/0.04 % Command : run_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM
% 0.09/0.36 % Computer : n001.cluster.edu
% 0.09/0.36 % Model : x86_64 x86_64
% 0.09/0.36 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.09/0.36 % Memory : 8046.5625MB
% 0.09/0.36 % OS : Linux 6.8.0-71-generic
% 0.09/0.36 % CPULimit : 300
% 0.09/0.36 % WCLimit : 300
% 0.09/0.36 % DateTime : Thu Sep 24 18:02:38 UTC 2026
% 0.09/0.37 % CPUTime :
% 0.09/0.37 Running run_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM
% 0.09/0.40 Running first-order theorem proving
% 0.09/0.40 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
% 0.09/0.42
% 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...
% 3.53/1.28 % SZS status Started for theBenchmark.p
% 3.53/1.28 % SZS status Unsatisfiable for theBenchmark.p
% 3.53/1.28
% 3.53/1.28 %---------------- iProver v3.9.4 (pre CASC 2026/SMT-COMP 2026) ----------------%
% 3.53/1.28
% 3.53/1.28 % ------ iProver source info
% 3.53/1.28
% 3.53/1.28 % git: date: 2026-07-19 20:42:38 +0200
% 3.53/1.28 % git: sha1: 804e7d636a263075307957e923b7a22a4035de61
% 3.53/1.28 % git: non_committed_changes: false
% 3.53/1.28
% 3.53/1.28 % ------ Parsing...% successful
% 3.53/1.28
% 3.53/1.28
% 3.53/1.28 % ------ Clausification by vclausify_rel & Parsing by iProver...%
% 3.53/1.28
% 3.53/1.28 % ------ 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 %
% 3.53/1.28
% 3.53/1.28 % ------ Preprocessing... gs_s sp: 2 0s gs_e snvd_s sp: 0 0s snvd_e %
% 3.53/1.28
% 3.53/1.28 % ------ Preprocessing... sf_s rm: 1 0s sf_e sf_s rm: 0 0s sf_e
% 3.53/1.28 % ------ Proving...
% 3.53/1.28 % ------ Problem Properties
% 3.53/1.28
% 3.53/1.28 %
% 3.53/1.28 % clauses 185
% 3.53/1.28 % conjectures 6
% 3.53/1.28 % EPR 58
% 3.53/1.28 % Horn 157
% 3.53/1.28 % unary 65
% 3.53/1.28 % binary 21
% 3.53/1.28 % lits 551
% 3.53/1.28 % lits eq 73
% 3.53/1.28 % fd_pure 0
% 3.53/1.28 % fd_pseudo 0
% 3.53/1.28 % fd_cond 15
% 3.53/1.28 % fd_pseudo_cond 14
% 3.53/1.28 % AC symbols 0
% 3.53/1.28
% 3.53/1.28 % ------ Schedule dynamic 5 is on
% 3.53/1.28
% 3.53/1.28 % ------ Input Options "--resolution_flag false --inst_lit_sel_side none" Time Limit: 10.
% 3.53/1.28
% 3.53/1.28
% 3.53/1.28 % ------
% 3.53/1.28 % Current options:
% 3.53/1.28 % ------
% 3.53/1.28
% 3.53/1.28
% 3.53/1.28 %
% 3.53/1.28
% 3.53/1.28 % ------ Proving...
% 3.53/1.28 %
% 3.53/1.28
% 3.53/1.28 % SZS status Unsatisfiable for theBenchmark.p
% 3.53/1.28
% 3.53/1.28 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 3.53/1.28
% 3.53/1.28
%------------------------------------------------------------------------------