%------------------------------------------------------------------------------
% File : iProver---3.9.4
% Problem : SWC256-1 : 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 : n010.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 03:09:02 PM UTC 2026
% Result : Unsatisfiable 3.71s 6.50s
% Output : CNFRefutation 3.71s
% Verified :
% SZS Type : ERROR: Analysing output (Could not find formula named f245ERROR: Could not build tree for root c_12755ERROR: MakeTreeStats fails)
% Comments :
%------------------------------------------------------------------------------
fof(f119,axiom,
! [X0,X1] :
( singletonP(X1)
| ~ ssList(X1)
| ~ ssItem(X0)
| cons(X0,nil) != X1 ),
file('/export/starexec/sandbox/benchmark/Axioms/SWC001-0.ax',clause116) ).
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,
~ singletonP(sk1),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_8) ).
fof(f208,negated_conjecture,
( nil = sk4
| ssItem(sk5) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_9) ).
fof(f209,negated_conjecture,
( nil = sk3
| ssItem(sk5) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_10) ).
fof(f210,negated_conjecture,
( nil = sk4
| cons(sk5,nil) = sk3 ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_11) ).
fof(f211,plain,
( nil = sk4
| sk3 = cons(sk5,nil) ),
inference(reorient_equations,[],[f210]) ).
fof(f218,plain,
neq(sk4,nil),
inference(definition_unfolding,[],[f206,f204]) ).
fof(f219,plain,
~ singletonP(sk3),
inference(definition_unfolding,[],[f207,f205]) ).
fof(f227,plain,
! [X0] :
( singletonP(cons(X0,nil))
| ~ ssList(cons(X0,nil))
| ~ ssItem(X0) ),
inference(equality_resolution,[],[f119]) ).
tcf(c_362,plain,
! [X0: $i] :
( ~ ssList(X0)
| ~ neq(X0,X0) ),
inference(cnf_transformation,[],[f245]) ).
tcf(c_363,plain,
! [X0: $i] :
( singletonP(cons(X0,nil))
| ~ ssItem(X0)
| ~ ssList(cons(X0,nil)) ),
inference(cnf_transformation,[],[f227]) ).
tcf(c_435,negated_conjecture,
ssList(sk3),
inference(cnf_transformation,[],[f202]) ).
tcf(c_436,negated_conjecture,
ssList(sk4),
inference(cnf_transformation,[],[f203]) ).
tcf(c_437,negated_conjecture,
neq(sk4,nil),
inference(cnf_transformation,[],[f218]) ).
tcf(c_438,negated_conjecture,
~ singletonP(sk3),
inference(cnf_transformation,[],[f219]) ).
tcf(c_439,negated_conjecture,
( ssItem(sk5)
| ( sk4 = nil ) ),
inference(cnf_transformation,[],[f208]) ).
tcf(c_440,negated_conjecture,
( ssItem(sk5)
| ( sk3 = nil ) ),
inference(cnf_transformation,[],[f209]) ).
tcf(c_441,negated_conjecture,
( ( sk4 = nil )
| ( cons(sk5,nil) = sk3 ) ),
inference(cnf_transformation,[],[f211]) ).
tcf(c_2785,plain,
! [X0: $i] :
( ~ ssList(X0)
| ( X0 != nil )
| ( X0 != sk4 ) ),
inference(resolution_lifted,[status(thm)],[c_362,c_437]) ).
tcf(c_2786,plain,
( ~ ssList(sk4)
| ( sk4 != nil ) ),
inference(unflattening,[status(thm)],[c_2785]) ).
tcf(c_2787,plain,
sk4 != nil,
inference(global_subsumption_just,[status(thm)],[c_2786,c_436,c_2786]) ).
tcf(c_2795,plain,
cons(sk5,nil) = sk3,
inference(backward_subsumption_resolution,[status(thm)],[c_441,c_2787]) ).
tcf(c_3619,negated_conjecture,
ssItem(sk5),
inference(global_subsumption_just,[status(thm)],[c_440,c_436,c_439,c_2786]) ).
tcf(c_9442,definition,
iPr_def_12 = cons(sk5,nil),
introduced(definition,[new_symbols(definition,[iPr_def_12])],[]) ).
tcf(c_9443,plain,
iPr_def_12 = sk3,
inference(demodulation,[status(thm)],[c_2795,c_9442]) ).
tcf(c_9445,negated_conjecture,
ssItem(sk5),
inference(demodulation,[status(thm)],[c_3619]) ).
tcf(c_9447,negated_conjecture,
~ singletonP(sk3),
inference(demodulation,[status(thm)],[c_438]) ).
tcf(c_9449,negated_conjecture,
ssList(sk3),
inference(demodulation,[status(thm)],[c_435]) ).
tcf(c_11950,plain,
ssList(iPr_def_12),
inference(light_normalisation,[status(thm)],[c_9449,c_9443]) ).
tcf(c_11951,plain,
~ singletonP(iPr_def_12),
inference(light_normalisation,[status(thm)],[c_9447,c_9443]) ).
tcf(c_12753,plain,
( singletonP(cons(sk5,nil))
| ~ ssItem(sk5)
| ~ ssList(iPr_def_12) ),
inference(superposition,[status(thm)],[c_9442,c_363]) ).
tcf(c_12754,plain,
( singletonP(iPr_def_12)
| ~ ssItem(sk5)
| ~ ssList(iPr_def_12) ),
inference(light_normalisation,[status(thm)],[c_12753,c_9442]) ).
tcf(c_12755,plain,
$false,
inference(forward_subsumption_resolution,[status(thm)],[c_12754,c_11951,c_9445,c_11950]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.02 % Problem : SWC256-1 : TPTP v9.3.1. Released v2.4.0.
% 0.00/0.03 % Command : run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% 0.09/5.59 % Computer : n010.cluster.edu
% 0.09/5.59 % Model : x86_64 x86_64
% 0.09/5.59 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.09/5.59 % Memory : 8046.5625MB
% 0.09/5.59 % OS : Linux 6.8.0-71-generic
% 0.09/5.59 % CPULimit : 300
% 0.09/5.59 % WCLimit : 300
% 0.09/5.59 % DateTime : Thu Sep 24 17:15:53 UTC 2026
% 0.09/5.59 % CPUTime :
% 0.09/5.59 Running run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% 0.12/5.63 Running first-order theorem proving
% 0.12/5.63 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
% 0.12/5.64
% 0.12/5.64 % ======== iProver multi-core TPTP/SMT =========
% 0.12/5.64
% 0.12/5.64 % Detected problem language: tptp
% 0.12/5.65 % Proving...
% 3.71/6.50 % SZS status Started for theBenchmark.p
% 3.71/6.50 % SZS status Unsatisfiable for theBenchmark.p
% 3.71/6.50
% 3.71/6.50 %---------------- iProver v3.9.4 (pre CASC 2026/SMT-COMP 2026) ----------------%
% 3.71/6.50
% 3.71/6.50 % ------ iProver source info
% 3.71/6.50
% 3.71/6.50 % git: date: 2026-07-19 20:42:38 +0200
% 3.71/6.50 % git: sha1: 804e7d636a263075307957e923b7a22a4035de61
% 3.71/6.50 % git: non_committed_changes: false
% 3.71/6.50
% 3.71/6.50 % ------ Parsing...% successful
% 3.71/6.50
% 3.71/6.50
% 3.71/6.50 % ------ Clausification by vclausify_rel & Parsing by iProver...%
% 3.71/6.50
% 3.71/6.50 % ------ 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 %
% 3.71/6.50
% 3.71/6.50 % ------ Preprocessing... gs_s sp: 2 0s gs_e snvd_s sp: 0 0s snvd_e %
% 3.71/6.50
% 3.71/6.50 % ------ Preprocessing... sf_s rm: 1 0s sf_e sf_s rm: 0 0s sf_e
% 3.71/6.50 % ------ Proving...
% 3.71/6.50 % ------ Problem Properties
% 3.71/6.50
% 3.71/6.50 %
% 3.71/6.50 % clauses 185
% 3.71/6.50 % conjectures 5
% 3.71/6.50 % EPR 59
% 3.71/6.50 % Horn 157
% 3.71/6.50 % unary 66
% 3.71/6.50 % binary 21
% 3.71/6.50 % lits 549
% 3.71/6.50 % lits eq 72
% 3.71/6.50 % fd_pure 0
% 3.71/6.50 % fd_pseudo 0
% 3.71/6.50 % fd_cond 15
% 3.71/6.50 % fd_pseudo_cond 14
% 3.71/6.50 % AC symbols 0
% 3.71/6.50
% 3.71/6.50 % ------ Schedule dynamic 5 is on
% 3.71/6.50
% 3.71/6.50 % ------ Input Options "--resolution_flag false --inst_lit_sel_side none" Time Limit: 10.
% 3.71/6.50
% 3.71/6.50
% 3.71/6.50 % ------
% 3.71/6.50 % Current options:
% 3.71/6.50 % ------
% 3.71/6.50
% 3.71/6.50
% 3.71/6.50 %
% 3.71/6.50
% 3.71/6.50 % ------ Proving...
% 3.71/6.50 %
% 3.71/6.50
% 3.71/6.50 % SZS status Unsatisfiable for theBenchmark.p
% 3.71/6.50
% 3.71/6.50 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 3.71/6.51
% 3.71/6.51
%------------------------------------------------------------------------------