%------------------------------------------------------------------------------
% File : iProver---3.9.4
% Problem : SWC254-1 : 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 : 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 03:09:02 PM UTC 2026
% Result : Unsatisfiable 2.91s 1.36s
% Output : CNFRefutation 2.91s
% Verified :
% SZS Type : ERROR: Analysing output (Could not find formula named f237ERROR: Could not build tree for root c_1422ERROR: 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(f205,negated_conjecture,
sk1 = sk3,
file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_6) ).
fof(f215,negated_conjecture,
( ~ neq(sk4,nil)
| ssItem(sk5) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_14) ).
fof(f217,negated_conjecture,
( ~ neq(sk4,nil)
| cons(sk5,nil) = sk3 ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_16) ).
fof(f218,plain,
( ~ neq(sk4,nil)
| sk3 = cons(sk5,nil) ),
inference(reorient_equations,[],[f217]) ).
fof(f221,negated_conjecture,
( ~ neq(sk4,nil)
| ~ singletonP(sk1) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_18) ).
fof(f231,plain,
( ~ neq(sk4,nil)
| ~ singletonP(sk3) ),
inference(definition_unfolding,[],[f221,f205]) ).
fof(f236,plain,
! [X0] :
( singletonP(cons(X0,nil))
| ~ ssList(cons(X0,nil))
| ~ ssItem(X0) ),
inference(equality_resolution,[],[f119]) ).
tcf(c_254,negated_conjecture,
ssList(sk3),
inference(cnf_transformation,[],[f202]) ).
tcf(c_256,negated_conjecture,
neq(sk4,nil),
inference(cnf_transformation,[],[f237]) ).
tcf(c_262,negated_conjecture,
( ssItem(sk5)
| ~ neq(sk4,nil) ),
inference(cnf_transformation,[],[f215]) ).
tcf(c_264,negated_conjecture,
( ( cons(sk5,nil) = sk3 )
| ~ neq(sk4,nil) ),
inference(cnf_transformation,[],[f218]) ).
tcf(c_266,negated_conjecture,
( ~ singletonP(sk3)
| ~ neq(sk4,nil) ),
inference(cnf_transformation,[],[f231]) ).
tcf(c_288,plain,
! [X0: $i] :
( singletonP(cons(X0,nil))
| ~ ssItem(X0)
| ~ ssList(cons(X0,nil)) ),
inference(cnf_transformation,[],[f236]) ).
tcf(c_311,negated_conjecture,
ssItem(sk5),
inference(global_subsumption_just,[status(thm)],[c_262,c_256,c_262]) ).
tcf(c_315,negated_conjecture,
~ singletonP(sk3),
inference(global_subsumption_just,[status(thm)],[c_266,c_256,c_266]) ).
tcf(c_321,negated_conjecture,
cons(sk5,nil) = sk3,
inference(global_subsumption_just,[status(thm)],[c_264,c_256,c_264]) ).
tcf(c_1420,plain,
( singletonP(cons(sk5,nil))
| ~ ssItem(sk5)
| ~ ssList(sk3) ),
inference(superposition,[status(thm)],[c_321,c_288]) ).
tcf(c_1421,plain,
( singletonP(sk3)
| ~ ssItem(sk5)
| ~ ssList(sk3) ),
inference(light_normalisation,[status(thm)],[c_1420,c_321]) ).
tcf(c_1422,plain,
$false,
inference(forward_subsumption_resolution,[status(thm)],[c_1421,c_315,c_311,c_254]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.04 % Problem : SWC254-1 : TPTP v9.3.1. Released v2.4.0.
% 0.00/0.06 % Command : run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% 0.16/0.41 % Computer : n001.cluster.edu
% 0.16/0.41 % Model : x86_64 x86_64
% 0.16/0.41 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.16/0.41 % Memory : 8046.5625MB
% 0.16/0.41 % OS : Linux 6.8.0-71-generic
% 0.16/0.41 % CPULimit : 300
% 0.16/0.41 % WCLimit : 300
% 0.16/0.41 % DateTime : Thu Sep 24 17:20:37 UTC 2026
% 0.16/0.41 % CPUTime :
% 0.16/0.41 Running run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% 0.16/0.47 Running first-order theorem proving
% 0.16/0.47 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
% 0.16/0.48
% 0.16/0.49 % ======== iProver multi-core TPTP/SMT =========
% 0.16/0.49
% 0.16/0.49 % Detected problem language: tptp
% 0.22/0.50 % Proving...
% 2.91/1.36 % SZS status Started for theBenchmark.p
% 2.91/1.36 % SZS status Unsatisfiable for theBenchmark.p
% 2.91/1.36
% 2.91/1.36 %---------------- iProver v3.9.4 (pre CASC 2026/SMT-COMP 2026) ----------------%
% 2.91/1.36
% 2.91/1.36 % ------ iProver source info
% 2.91/1.36
% 2.91/1.36 % git: date: 2026-07-19 20:42:38 +0200
% 2.91/1.36 % git: sha1: 804e7d636a263075307957e923b7a22a4035de61
% 2.91/1.36 % git: non_committed_changes: false
% 2.91/1.36
% 2.91/1.36 % ------ Parsing...% successful
% 2.91/1.36
% 2.91/1.36
% 2.91/1.36 % ------ Clausification by vclausify_rel & Parsing by iProver...%
% 2.91/1.36
% 2.91/1.36 % ------ Preprocessing... sup_sim: 1 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 %
% 2.91/1.36
% 2.91/1.36 % ------ Preprocessing... gs_s sp: 0 0s gs_e snvd_s sp: 0 0s snvd_e %
% 2.91/1.36
% 2.91/1.36 % ------ Preprocessing... sf_s rm: 1 0s sf_e sf_s rm: 0 0s sf_e
% 2.91/1.36 % ------ Proving...
% 2.91/1.36 % ------ Problem Properties
% 2.91/1.36
% 2.91/1.36 %
% 2.91/1.36 % clauses 27
% 2.91/1.36 % conjectures 6
% 2.91/1.36 % EPR 8
% 2.91/1.36 % Horn 27
% 2.91/1.36 % unary 11
% 2.91/1.36 % binary 2
% 2.91/1.36 % lits 71
% 2.91/1.36 % lits eq 23
% 2.91/1.36 % fd_pure 0
% 2.91/1.36 % fd_pseudo 0
% 2.91/1.36 % fd_cond 2
% 2.91/1.36 % fd_pseudo_cond 4
% 2.91/1.36 % AC symbols 0
% 2.91/1.36
% 2.91/1.36 % ------ Schedule dynamic 5 is on
% 2.91/1.36
% 2.91/1.36 % ------ Input Options "--resolution_flag false --inst_lit_sel_side none" Time Limit: 10.
% 2.91/1.36
% 2.91/1.36
% 2.91/1.36 % ------
% 2.91/1.36 % Current options:
% 2.91/1.36 % ------
% 2.91/1.36
% 2.91/1.36
% 2.91/1.36 %
% 2.91/1.36
% 2.91/1.36 % ------ Proving...
% 2.91/1.36 %
% 2.91/1.36
% 2.91/1.36 % SZS status Unsatisfiable for theBenchmark.p
% 2.91/1.36
% 2.91/1.36 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 2.91/1.36
% 2.91/1.36
%------------------------------------------------------------------------------