%------------------------------------------------------------------------------
% File : iProver---3.9.4
% Problem : SWC006-1 : 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 : n020.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 03:07:28 PM UTC 2026
% Result : Unsatisfiable 3.84s 1.32s
% Output : CNFRefutation 3.84s
% Verified :
% SZS Type : Refutation
% Derivation depth : 5
% Number of leaves : 8
% Syntax : Number of formulae : 20 ( 15 unt; 0 def)
% Number of atoms : 37 ( 15 equ)
% Maximal formula atoms : 5 ( 1 avg)
% Number of connectives : 39 ( 22 ~; 17 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 9 ( 3 avg)
% Maximal term depth : 3 ( 1 avg)
% Number of types : 1 ( 0 usr)
% Number of type conns : 0 ( 0 >; 0 *; 0 +; 0 <<)
% Number of predicates : 3 ( 1 usr; 1 prp; 0-2 aty)
% Number of functors : 8 ( 8 usr; 7 con; 0-2 aty)
% Number of variables : 9 ( 0 sgn 9 !; 0 ?; 3 :)
% 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(f206,negated_conjecture,
! [X2,X0,X1] :
( app(X0,X2) != sk1
| app(app(X0,X1),X2) != sk2
| ~ ssList(X2)
| ~ ssList(X1)
| ~ ssList(X0) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1_7) ).
fof(f207,negated_conjecture,
ssList(sk5),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1_8) ).
fof(f208,negated_conjecture,
ssList(sk6),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1_9) ).
fof(f209,negated_conjecture,
ssList(sk7),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1_10) ).
fof(f210,negated_conjecture,
app(app(sk5,sk6),sk7) = sk4,
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1_11) ).
fof(f211,plain,
sk4 = app(app(sk5,sk6),sk7),
inference(reorient_equations,[],[f210]) ).
fof(f212,negated_conjecture,
app(sk5,sk7) = sk3,
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1_12) ).
fof(f213,plain,
sk3 = app(sk5,sk7),
inference(reorient_equations,[],[f212]) ).
fof(f216,plain,
! [X2,X0,X1] :
( app(X0,X2) != sk3
| app(app(X0,X1),X2) != sk4
| ~ ssList(X2)
| ~ ssList(X1)
| ~ ssList(X0) ),
inference(definition_unfolding,[],[f206,f204,f205]) ).
tcf(c_250,negated_conjecture,
! [X0: $i,X1: $i,X2: $i] :
( ~ ssList(X2)
| ~ ssList(X1)
| ~ ssList(X0)
| ( app(X0,X2) != sk3 )
| ( app(app(X0,X1),X2) != sk4 ) ),
inference(cnf_transformation,[],[f216]) ).
tcf(c_251,negated_conjecture,
ssList(sk5),
inference(cnf_transformation,[],[f207]) ).
tcf(c_252,negated_conjecture,
ssList(sk6),
inference(cnf_transformation,[],[f208]) ).
tcf(c_253,negated_conjecture,
ssList(sk7),
inference(cnf_transformation,[],[f209]) ).
tcf(c_254,negated_conjecture,
app(app(sk5,sk6),sk7) = sk4,
inference(cnf_transformation,[],[f211]) ).
tcf(c_255,negated_conjecture,
app(sk5,sk7) = sk3,
inference(cnf_transformation,[],[f213]) ).
tcf(c_815,plain,
( ~ ssList(sk7)
| ~ ssList(sk6)
| ~ ssList(sk5)
| ( app(sk5,sk7) != sk3 ) ),
inference(superposition,[status(thm)],[c_254,c_250]) ).
tcf(c_818,plain,
( ~ ssList(sk7)
| ~ ssList(sk6)
| ~ ssList(sk5) ),
inference(ground_joinability,[status(thm)],[c_815,c_255]) ).
tcf(c_819,plain,
$false,
inference(forward_subsumption_resolution,[status(thm)],[c_818,c_253,c_252,c_251]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : SWC006-1 : TPTP v9.3.1. Released v2.4.0.
% 0.00/0.04 % Command : run_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM
% 0.12/0.38 % Computer : n020.cluster.edu
% 0.12/0.38 % Model : x86_64 x86_64
% 0.12/0.38 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.38 % Memory : 8046.5625MB
% 0.12/0.38 % OS : Linux 6.8.0-71-generic
% 0.12/0.38 % CPULimit : 300
% 0.12/0.38 % WCLimit : 300
% 0.12/0.38 % DateTime : Thu Sep 24 15:53:49 UTC 2026
% 0.12/0.39 % CPUTime :
% 0.12/0.39 Running run_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM
% 0.12/0.43 Running first-order theorem proving
% 0.12/0.43 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
% 0.12/0.44
% 0.12/0.44 % ======== iProver multi-core TPTP/SMT =========
% 0.12/0.44
% 0.12/0.44 % Detected problem language: tptp
% 0.12/0.45 % Proving...
% 3.84/1.32 % SZS status Started for theBenchmark.p
% 3.84/1.32 % SZS status Unsatisfiable for theBenchmark.p
% 3.84/1.32
% 3.84/1.32 %---------------- iProver v3.9.4 (pre CASC 2026/SMT-COMP 2026) ----------------%
% 3.84/1.32
% 3.84/1.32 % ------ iProver source info
% 3.84/1.32
% 3.84/1.32 % git: date: 2026-07-19 20:42:38 +0200
% 3.84/1.32 % git: sha1: 804e7d636a263075307957e923b7a22a4035de61
% 3.84/1.32 % git: non_committed_changes: false
% 3.84/1.32
% 3.84/1.32 % ------ Parsing...% successful
% 3.84/1.32
% 3.84/1.32
% 3.84/1.32 % ------ Clausification by vclausify_rel & Parsing by iProver...%
% 3.84/1.32
% 3.84/1.32 % ------ Preprocessing... sup_sim: 0 sf_s rm: 1 0s sf_e pe_s pe_e sup_sim: 0 sf_s rm: 1 0s sf_e pe_s pe_e %
% 3.84/1.32
% 3.84/1.32 % ------ Preprocessing... gs_s sp: 0 0s gs_e snvd_s sp: 0 0s snvd_e %
% 3.84/1.32
% 3.84/1.32 % ------ Preprocessing... sf_s rm: 1 0s sf_e sf_s rm: 0 0s sf_e
% 3.84/1.32 % ------ Proving...
% 3.84/1.32 % ------ Problem Properties
% 3.84/1.32
% 3.84/1.32 %
% 3.84/1.32 % clauses 18
% 3.84/1.32 % conjectures 8
% 3.84/1.32 % EPR 6
% 3.84/1.32 % Horn 18
% 3.84/1.32 % unary 9
% 3.84/1.32 % binary 2
% 3.84/1.32 % lits 43
% 3.84/1.32 % lits eq 16
% 3.84/1.32 % fd_pure 0
% 3.84/1.32 % fd_pseudo 0
% 3.84/1.32 % fd_cond 2
% 3.84/1.32 % fd_pseudo_cond 2
% 3.84/1.32 % AC symbols 0
% 3.84/1.32
% 3.84/1.32 % ------ Schedule dynamic 5 is on
% 3.84/1.32
% 3.84/1.32 % ------ Input Options "--resolution_flag false --inst_lit_sel_side none" Time Limit: 10.
% 3.84/1.32
% 3.84/1.32
% 3.84/1.32 % ------
% 3.84/1.32 % Current options:
% 3.84/1.32 % ------
% 3.84/1.32
% 3.84/1.32
% 3.84/1.32 %
% 3.84/1.32
% 3.84/1.32 % ------ Proving...
% 3.84/1.32 %
% 3.84/1.32
% 3.84/1.32 % SZS status Unsatisfiable for theBenchmark.p
% 3.84/1.32
% 3.84/1.32 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 3.84/1.32
% 3.84/1.32
%------------------------------------------------------------------------------