%------------------------------------------------------------------------------
% File : iProver---3.9.4
% Problem : SWC027-1 : 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 : 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 03:07:34 PM UTC 2026
% Result : Unsatisfiable 2.74s 1.29s
% Output : CNFRefutation 2.74s
% Verified :
% SZS Type : ERROR: Analysing output (Could not find formula named f253ERROR: Could not build tree for root c_11293ERROR: MakeTreeStats fails)
% Comments :
%------------------------------------------------------------------------------
fof(f71,axiom,
! [X0] :
( ~ ssItem(X0)
| ~ memberP(nil,X0) ),
file('/export/starexec/sandbox/benchmark/Axioms/SWC001-0.ax',clause71) ).
fof(f202,negated_conjecture,
ssList(sk3),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_3) ).
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,
( nil = sk4
| ssItem(sk5) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_7) ).
fof(f207,negated_conjecture,
( nil = sk3
| ssItem(sk5) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_8) ).
fof(f208,negated_conjecture,
( nil = sk4
| cons(sk5,nil) = sk3 ),
file('/export/starexec/sandbox/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/sandbox/benchmark/theBenchmark.p',co1_10) ).
fof(f212,negated_conjecture,
( nil = sk3
| cons(sk5,nil) = sk3 ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_12) ).
fof(f213,plain,
( nil = sk3
| sk3 = cons(sk5,nil) ),
inference(reorient_equations,[],[f212]) ).
fof(f214,negated_conjecture,
( nil = sk3
| memberP(sk4,sk5) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_13) ).
fof(f216,negated_conjecture,
( nil = sk1
| nil = sk2 ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_15) ).
fof(f219,negated_conjecture,
( nil != sk2
| nil != sk1 ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_18) ).
fof(f222,plain,
( nil = sk3
| nil = sk4 ),
inference(definition_unfolding,[],[f216,f204,f205]) ).
fof(f225,plain,
( nil != sk4
| nil != sk3 ),
inference(definition_unfolding,[],[f219,f205,f204]) ).
tcf(c_322,plain,
! [X0: $i] :
( ~ ssItem(X0)
| ~ memberP(nil,X0) ),
inference(cnf_transformation,[],[f71]) ).
tcf(c_389,plain,
! [X0: $i,X1: $i] :
( memberP(cons(X1,X0),X1)
| ~ ssItem(X1)
| ~ ssList(X0) ),
inference(cnf_transformation,[],[f253]) ).
tcf(c_439,negated_conjecture,
ssList(sk3),
inference(cnf_transformation,[],[f202]) ).
tcf(c_441,negated_conjecture,
( ssItem(sk5)
| ( sk4 = nil ) ),
inference(cnf_transformation,[],[f206]) ).
tcf(c_442,negated_conjecture,
( ssItem(sk5)
| ( sk3 = nil ) ),
inference(cnf_transformation,[],[f207]) ).
tcf(c_443,negated_conjecture,
( ( sk4 = nil )
| ( cons(sk5,nil) = sk3 ) ),
inference(cnf_transformation,[],[f209]) ).
tcf(c_444,negated_conjecture,
( memberP(sk4,sk5)
| ( sk4 = nil ) ),
inference(cnf_transformation,[],[f210]) ).
tcf(c_446,negated_conjecture,
( ( sk3 = nil )
| ( cons(sk5,nil) = sk3 ) ),
inference(cnf_transformation,[],[f213]) ).
tcf(c_447,negated_conjecture,
( memberP(sk4,sk5)
| ( sk3 = nil ) ),
inference(cnf_transformation,[],[f214]) ).
tcf(c_449,negated_conjecture,
( ( sk4 = nil )
| ( sk3 = nil ) ),
inference(cnf_transformation,[],[f222]) ).
tcf(c_450,negated_conjecture,
( ( sk4 != nil )
| ( sk3 != nil ) ),
inference(cnf_transformation,[],[f225]) ).
tcf(c_560,negated_conjecture,
ssItem(sk5),
inference(global_subsumption_just,[status(thm)],[c_442,c_442,c_441,c_450]) ).
tcf(c_562,negated_conjecture,
ssItem(sk5),
inference(global_subsumption_just,[status(thm)],[c_441,c_560]) ).
tcf(c_570,negated_conjecture,
memberP(sk4,sk5),
inference(global_subsumption_just,[status(thm)],[c_447,c_447,c_444,c_450]) ).
tcf(c_572,negated_conjecture,
memberP(sk4,sk5),
inference(global_subsumption_just,[status(thm)],[c_444,c_570]) ).
tcf(c_576,negated_conjecture,
cons(sk5,nil) = sk3,
inference(global_subsumption_just,[status(thm)],[c_446,c_450,c_446,c_443]) ).
tcf(c_578,negated_conjecture,
cons(sk5,nil) = sk3,
inference(global_subsumption_just,[status(thm)],[c_443,c_576]) ).
tcf(c_7182,definition,
iPr_def_12 = cons(sk5,nil),
introduced(definition,[new_symbols(definition,[iPr_def_12])],[]) ).
tcf(c_7184,negated_conjecture,
iPr_def_12 = sk3,
inference(demodulation,[status(thm)],[c_578,c_7182]) ).
tcf(c_7185,negated_conjecture,
memberP(sk4,sk5),
inference(demodulation,[status(thm)],[c_572]) ).
tcf(c_7186,negated_conjecture,
ssItem(sk5),
inference(demodulation,[status(thm)],[c_562]) ).
tcf(c_7188,negated_conjecture,
( ( sk4 = nil )
| ( sk3 = nil ) ),
inference(demodulation,[status(thm)],[c_449]) ).
tcf(c_7190,negated_conjecture,
ssList(sk3),
inference(demodulation,[status(thm)],[c_439]) ).
tcf(c_10452,plain,
ssList(iPr_def_12),
inference(light_normalisation,[status(thm)],[c_7190,c_7184]) ).
tcf(c_10453,plain,
( ( nil = iPr_def_12 )
| ( sk4 = nil ) ),
inference(light_normalisation,[status(thm)],[c_7188,c_7184]) ).
tcf(c_10456,plain,
( memberP(nil,sk5)
| ( nil = iPr_def_12 ) ),
inference(superposition,[status(thm)],[c_10453,c_7185]) ).
tcf(c_10636,plain,
( ( nil = iPr_def_12 )
| ~ ssItem(sk5) ),
inference(superposition,[status(thm)],[c_10456,c_322]) ).
tcf(c_10637,plain,
nil = iPr_def_12,
inference(forward_subsumption_resolution,[status(thm)],[c_10636,c_7186]) ).
tcf(c_10639,plain,
! [X0: $i] :
( ~ ssItem(X0)
| ~ memberP(iPr_def_12,X0) ),
inference(demodulation,[status(thm)],[c_322,c_10637]) ).
tcf(c_10654,plain,
cons(sk5,iPr_def_12) = iPr_def_12,
inference(demodulation,[status(thm)],[c_7182,c_10637]) ).
tcf(c_11228,plain,
( memberP(iPr_def_12,sk5)
| ~ ssItem(sk5)
| ~ ssList(iPr_def_12) ),
inference(superposition,[status(thm)],[c_10654,c_389]) ).
tcf(c_11229,plain,
memberP(iPr_def_12,sk5),
inference(forward_subsumption_resolution,[status(thm)],[c_11228,c_7186,c_10452]) ).
tcf(c_11292,plain,
~ ssItem(sk5),
inference(superposition,[status(thm)],[c_11229,c_10639]) ).
tcf(c_11293,plain,
$false,
inference(forward_subsumption_resolution,[status(thm)],[c_11292,c_7186]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : SWC027-1 : TPTP v9.3.1. Released v2.4.0.
% 0.00/0.04 % Command : run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% 0.09/0.38 % Computer : n011.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 15:59:30 UTC 2026
% 0.09/0.38 % CPUTime :
% 0.09/0.39 Running run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% 0.09/0.42 Running first-order theorem proving
% 0.09/0.42 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
% 0.09/0.43
% 0.09/0.43 % ======== iProver multi-core TPTP/SMT =========
% 0.09/0.43
% 0.09/0.43 % Detected problem language: tptp
% 0.09/0.44 % Proving...
% 2.74/1.29 % SZS status Started for theBenchmark.p
% 2.74/1.29 % SZS status Unsatisfiable for theBenchmark.p
% 2.74/1.29
% 2.74/1.29 %---------------- iProver v3.9.4 (pre CASC 2026/SMT-COMP 2026) ----------------%
% 2.74/1.29
% 2.74/1.29 % ------ iProver source info
% 2.74/1.29
% 2.74/1.29 % git: date: 2026-07-19 20:42:38 +0200
% 2.74/1.29 % git: sha1: 804e7d636a263075307957e923b7a22a4035de61
% 2.74/1.29 % git: non_committed_changes: false
% 2.74/1.29
% 2.74/1.29 % ------ Parsing...% successful
% 2.74/1.29
% 2.74/1.29
% 2.74/1.29 % ------ Clausification by vclausify_rel & Parsing by iProver...%
% 2.74/1.29
% 2.74/1.29 % ------ Preprocessing... sup_sim: 0 sf_s rm: 1 0s sf_e pe_s pe:1:0s pe_e sup_sim: 0 sf_s rm: 1 0s sf_e pe_s pe_e %
% 2.74/1.29
% 2.74/1.29 % ------ Preprocessing... gs_s sp: 2 0s gs_e snvd_s sp: 0 0s snvd_e %
% 2.74/1.29
% 2.74/1.29 % ------ Preprocessing... sf_s rm: 1 0s sf_e sf_s rm: 0 0s sf_e
% 2.74/1.29 % ------ Proving...
% 2.74/1.29 % ------ Problem Properties
% 2.74/1.29
% 2.74/1.29 %
% 2.74/1.29 % clauses 186
% 2.74/1.29 % conjectures 8
% 2.74/1.29 % EPR 60
% 2.74/1.29 % Horn 157
% 2.74/1.29 % unary 64
% 2.74/1.29 % binary 23
% 2.74/1.29 % lits 555
% 2.74/1.29 % lits eq 76
% 2.74/1.29 % fd_pure 0
% 2.74/1.29 % fd_pseudo 0
% 2.74/1.29 % fd_cond 16
% 2.74/1.29 % fd_pseudo_cond 14
% 2.74/1.29 % AC symbols 0
% 2.74/1.29
% 2.74/1.29 % ------ Schedule dynamic 5 is on
% 2.74/1.29
% 2.74/1.29 % ------ Input Options "--resolution_flag false --inst_lit_sel_side none" Time Limit: 10.
% 2.74/1.29
% 2.74/1.29
% 2.74/1.29 % ------
% 2.74/1.29 % Current options:
% 2.74/1.29 % ------
% 2.74/1.29
% 2.74/1.29
% 2.74/1.29 %
% 2.74/1.29
% 2.74/1.29 % ------ Proving...
% 2.74/1.29 %
% 2.74/1.29
% 2.74/1.29 % SZS status Unsatisfiable for theBenchmark.p
% 2.74/1.29
% 2.74/1.29 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 2.74/1.30
% 2.74/1.30
%------------------------------------------------------------------------------