%------------------------------------------------------------------------------
% File : iProver---3.9.4
% Problem : SWC102-1 : 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 : n005.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 03:07:54 PM UTC 2026
% Result : Unsatisfiable 1.87s 6.29s
% Output : CNFRefutation 1.87s
% Verified :
% SZS Type : Refutation
% Derivation depth : 8
% Number of leaves : 7
% Syntax : Number of formulae : 20 ( 15 unt; 0 def)
% Number of atoms : 25 ( 5 equ)
% Maximal formula atoms : 2 ( 1 avg)
% Number of connectives : 16 ( 11 ~; 5 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 4 ( 2 avg)
% Maximal term depth : 1 ( 1 avg)
% Number of types : 1 ( 0 usr)
% Number of type conns : 0 ( 0 >; 0 *; 0 +; 0 <<)
% Number of predicates : 5 ( 3 usr; 1 prp; 0-2 aty)
% Number of functors : 5 ( 5 usr; 5 con; 0-0 aty)
% Number of variables : 2 ( 0 sgn 2 !; 0 ?; 1 :)
% Comments :
%------------------------------------------------------------------------------
fof(f61,axiom,
! [X0] :
( frontsegP(X0,X0)
| ~ ssList(X0) ),
file('/export/starexec/sandbox/benchmark/Axioms/SWC001-0.ax',clause61) ).
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,
sk4 = sk3,
file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_7) ).
fof(f207,plain,
sk3 = sk4,
inference(reorient_equations,[],[f206]) ).
fof(f208,negated_conjecture,
neq(sk2,nil),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_8) ).
fof(f209,negated_conjecture,
( ~ frontsegP(sk2,sk1)
| ~ neq(sk1,nil) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_9) ).
fof(f210,plain,
sk1 = sk4,
inference(definition_unfolding,[],[f205,f207]) ).
fof(f214,plain,
neq(sk4,nil),
inference(definition_unfolding,[],[f208,f204]) ).
fof(f215,plain,
( ~ frontsegP(sk4,sk4)
| ~ neq(sk4,nil) ),
inference(definition_unfolding,[],[f209,f210,f204,f210]) ).
tcf(c_303,plain,
! [X0: $i] :
( frontsegP(X0,X0)
| ~ ssList(X0) ),
inference(cnf_transformation,[],[f61]) ).
tcf(c_431,negated_conjecture,
ssList(sk4),
inference(cnf_transformation,[],[f203]) ).
tcf(c_432,negated_conjecture,
neq(sk4,nil),
inference(cnf_transformation,[],[f214]) ).
tcf(c_433,negated_conjecture,
( ~ frontsegP(sk4,sk4)
| ~ neq(sk4,nil) ),
inference(cnf_transformation,[],[f215]) ).
tcf(c_547,negated_conjecture,
~ frontsegP(sk4,sk4),
inference(global_subsumption_just,[status(thm)],[c_433,c_432,c_433]) ).
tcf(c_6433,negated_conjecture,
~ frontsegP(sk4,sk4),
inference(demodulation,[status(thm)],[c_547]) ).
tcf(c_6434,negated_conjecture,
ssList(sk4),
inference(demodulation,[status(thm)],[c_431]) ).
tcf(c_8951,plain,
~ ssList(sk4),
inference(superposition,[status(thm)],[c_303,c_6433]) ).
tcf(c_8952,plain,
$false,
inference(forward_subsumption_resolution,[status(thm)],[c_8951,c_6434]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : SWC102-1 : TPTP v9.3.1. Released v2.4.0.
% 0.00/0.04 % Command : run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% 0.10/5.38 % Computer : n005.cluster.edu
% 0.10/5.38 % Model : x86_64 x86_64
% 0.10/5.38 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/5.38 % Memory : 8046.5625MB
% 0.10/5.38 % OS : Linux 6.8.0-71-generic
% 0.10/5.38 % CPULimit : 300
% 0.10/5.38 % WCLimit : 300
% 0.10/5.38 % DateTime : Thu Sep 24 16:24:08 UTC 2026
% 0.10/5.38 % CPUTime :
% 0.10/5.38 Running run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% 0.14/5.42 Running first-order theorem proving
% 0.14/5.42 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
% 0.14/5.43
% 0.14/5.43 % ======== iProver multi-core TPTP/SMT =========
% 0.14/5.43
% 0.14/5.43 % Detected problem language: tptp
% 0.14/5.44 % Proving...
% 1.87/6.29 % SZS status Started for theBenchmark.p
% 1.87/6.29 % SZS status Unsatisfiable for theBenchmark.p
% 1.87/6.29
% 1.87/6.29 %---------------- iProver v3.9.4 (pre CASC 2026/SMT-COMP 2026) ----------------%
% 1.87/6.29
% 1.87/6.29 % ------ iProver source info
% 1.87/6.29
% 1.87/6.29 % git: date: 2026-07-19 20:42:38 +0200
% 1.87/6.29 % git: sha1: 804e7d636a263075307957e923b7a22a4035de61
% 1.87/6.29 % git: non_committed_changes: false
% 1.87/6.29
% 1.87/6.29 % ------ Parsing...% successful
% 1.87/6.29
% 1.87/6.29
% 1.87/6.29 % ------ Clausification by vclausify_rel & Parsing by iProver...%
% 1.87/6.29
% 1.87/6.29 % ------ Preprocessing... sup_sim: 0 sf_s rm: 1 0s sf_e pe_s pe:1:0s pe_e sup_sim: 0 sf_s rm: 2 0s sf_e pe_s pe_e %
% 1.87/6.29
% 1.87/6.29 % ------ Preprocessing... gs_s sp: 2 0s gs_e snvd_s sp: 0 0s snvd_e %
% 1.87/6.29
% 1.87/6.29 % ------ Preprocessing... sf_s rm: 1 0s sf_e sf_s rm: 0 0s sf_e
% 1.87/6.29 % ------ Proving...
% 1.87/6.29 % ------ Problem Properties
% 1.87/6.29
% 1.87/6.29 %
% 1.87/6.29 % clauses 180
% 1.87/6.29 % conjectures 2
% 1.87/6.29 % EPR 55
% 1.87/6.29 % Horn 152
% 1.87/6.29 % unary 61
% 1.87/6.29 % binary 21
% 1.87/6.29 % lits 544
% 1.87/6.29 % lits eq 70
% 1.87/6.29 % fd_pure 0
% 1.87/6.29 % fd_pseudo 0
% 1.87/6.29 % fd_cond 15
% 1.87/6.29 % fd_pseudo_cond 14
% 1.87/6.29 % AC symbols 0
% 1.87/6.29
% 1.87/6.29 % ------ Schedule dynamic 5 is on
% 1.87/6.29
% 1.87/6.29 % ------ Input Options "--resolution_flag false --inst_lit_sel_side none" Time Limit: 10.
% 1.87/6.29
% 1.87/6.29
% 1.87/6.29 % ------
% 1.87/6.29 % Current options:
% 1.87/6.29 % ------
% 1.87/6.29
% 1.87/6.29
% 1.87/6.29 %
% 1.87/6.29
% 1.87/6.29 % ------ Proving...
% 1.87/6.29 %
% 1.87/6.29
% 1.87/6.29 % SZS status Unsatisfiable for theBenchmark.p
% 1.87/6.29
% 1.87/6.29 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 1.87/6.29
% 1.87/6.29
%------------------------------------------------------------------------------