%------------------------------------------------------------------------------
% File : iProver---3.9.4
% Problem : SWW399-1 : TPTP v9.3.1. Released v5.2.0.
% 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 03:29:37 PM UTC 2026
% Result : Unsatisfiable 3.82s 6.46s
% Output : CNFRefutation 3.82s
% Verified :
% SZS Type : Refutation
% Derivation depth : 5
% Number of leaves : 7
% Syntax : Number of formulae : 17 ( 12 unt; 2 def)
% Number of atoms : 30 ( 11 equ)
% Maximal formula atoms : 3 ( 1 avg)
% Number of connectives : 16 ( 8 ~; 8 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 7 ( 3 avg)
% Maximal term depth : 4 ( 2 avg)
% Number of types : 1 ( 0 usr)
% Number of type conns : 0 ( 0 >; 0 *; 0 +; 0 <<)
% Number of predicates : 5 ( 3 usr; 3 prp; 0-2 aty)
% Number of functors : 6 ( 6 usr; 3 con; 0-2 aty)
% Number of variables : 15 ( 0 sgn 15 !; 0 ?; 9 :)
% Comments :
%------------------------------------------------------------------------------
fof(f2,axiom,
! [X0,X1] : sep(lseg(X0,X0),X1) = X1,
file('/export/starexec/sandbox2/benchmark/Axioms/SWV013-0.ax',normalization) ).
fof(f9,axiom,
! [X2,X3,X0,X1] :
( heap(sep(lseg(X0,X2),X3))
| X0 = X1
| ~ heap(sep(next(X0,X1),sep(lseg(X1,X2),X3))) ),
file('/export/starexec/sandbox2/benchmark/Axioms/SWV013-0.ax',unfolding_2) ).
fof(f13,axiom,
nil != x1,
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',premise_1) ).
fof(f14,axiom,
heap(sep(next(x1,nil),emp)),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',premise_2) ).
fof(f15,negated_conjecture,
~ heap(sep(lseg(x1,nil),emp)),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',conclusion_1) ).
tcf(c_64,plain,
! [X0: $i,X1: $i] : sep(lseg(X0,X0),X1) = X1,
inference(cnf_transformation,[],[f2]) ).
tcf(c_70,plain,
! [X0: $i,X1: $i,X2: $i,X3: $i] :
( heap(sep(lseg(X0,X2),X3))
| ( X0 = X1 )
| ~ heap(sep(next(X0,X1),sep(lseg(X1,X2),X3))) ),
inference(cnf_transformation,[],[f9]) ).
tcf(c_74,plain,
nil != x1,
inference(cnf_transformation,[],[f13]) ).
tcf(c_75,plain,
heap(sep(next(x1,nil),emp)),
inference(cnf_transformation,[],[f14]) ).
tcf(c_76,negated_conjecture,
~ heap(sep(lseg(x1,nil),emp)),
inference(cnf_transformation,[],[f15]) ).
tcf(c_174,definition,
iPr_def_10 = lseg(x1,nil),
introduced(definition,[new_symbols(definition,[iPr_def_10])],[]) ).
tcf(c_175,definition,
iPr_def_11 = sep(iPr_def_10,emp),
introduced(definition,[new_symbols(definition,[iPr_def_11])],[]) ).
tcf(c_176,negated_conjecture,
~ heap(iPr_def_11),
inference(demodulation,[status(thm)],[c_76,c_174,c_175]) ).
tcf(c_564,plain,
! [X0: $i,X1: $i,X2: $i] :
( heap(sep(lseg(X0,X1),X2))
| ( X0 = X1 )
| ~ heap(sep(next(X0,X1),X2)) ),
inference(superposition,[status(thm)],[c_64,c_70]) ).
tcf(c_2387,plain,
( heap(sep(lseg(x1,nil),emp))
| ( nil = x1 ) ),
inference(superposition,[status(thm)],[c_75,c_564]) ).
tcf(c_2390,plain,
( heap(iPr_def_11)
| ( nil = x1 ) ),
inference(light_normalisation,[status(thm)],[c_2387,c_174,c_175]) ).
tcf(c_2391,plain,
$false,
inference(forward_subsumption_resolution,[status(thm)],[c_2390,c_176,c_74]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : SWW399-1 : TPTP v9.3.1. Released v5.2.0.
% 0.00/0.04 % Command : run_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM
% 0.13/5.40 % Computer : n020.cluster.edu
% 0.13/5.40 % Model : x86_64 x86_64
% 0.13/5.40 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/5.40 % Memory : 8046.5625MB
% 0.13/5.40 % OS : Linux 6.8.0-71-generic
% 0.04/5.40 % CPULimit : 300
% 0.04/5.40 % WCLimit : 300
% 0.04/5.40 % DateTime : Thu Sep 24 22:17:25 UTC 2026
% 0.04/5.40 % CPUTime :
% 0.04/5.40 Running run_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM
% 0.04/5.46 Running first-order theorem proving
% 0.04/5.46 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
% 0.04/5.48
% 0.04/5.48 % ======== iProver multi-core TPTP/SMT =========
% 0.04/5.48
% 0.04/5.48 % Detected problem language: tptp
% 0.04/5.49 % Proving...
% 3.82/6.46 % SZS status Started for theBenchmark.p
% 3.82/6.46 % SZS status Unsatisfiable for theBenchmark.p
% 3.82/6.46
% 3.82/6.46 %---------------- iProver v3.9.4 (pre CASC 2026/SMT-COMP 2026) ----------------%
% 3.82/6.46
% 3.82/6.46 % ------ iProver source info
% 3.82/6.46
% 3.82/6.46 % git: date: 2026-07-19 20:42:38 +0200
% 3.82/6.46 % git: sha1: 804e7d636a263075307957e923b7a22a4035de61
% 3.82/6.46 % git: non_committed_changes: false
% 3.82/6.46
% 3.82/6.46 % ------ Parsing...% successful
% 3.82/6.46
% 3.82/6.46
% 3.82/6.46 % ------ Clausification by vclausify_rel & Parsing by iProver...%
% 3.82/6.46
% 3.82/6.46 % ------ Preprocessing... sup_sim: 0 sf_s rm: 1 0s sf_e pe_s pe_e %
% 3.82/6.46
% 3.82/6.46 % ------ Preprocessing... gs_s sp: 0 0s gs_e snvd_s sp: 0 0s snvd_e %
% 3.82/6.46
% 3.82/6.46 % ------ Preprocessing... sf_s rm: 1 0s sf_e sf_s rm: 0 0s sf_e
% 3.82/6.46 % ------ Proving...
% 3.82/6.46 % ------ Problem Properties
% 3.82/6.46
% 3.82/6.46 %
% 3.82/6.46 % clauses 16
% 3.82/6.46 % conjectures 1
% 3.82/6.46 % EPR 2
% 3.82/6.46 % Horn 13
% 3.82/6.46 % unary 9
% 3.82/6.46 % binary 4
% 3.82/6.46 % lits 26
% 3.82/6.46 % lits eq 11
% 3.82/6.46 % fd_pure 0
% 3.82/6.46 % fd_pseudo 0
% 3.82/6.46 % fd_cond 1
% 3.82/6.46 % fd_pseudo_cond 4
% 3.82/6.46 % AC symbols 0
% 3.82/6.46
% 3.82/6.46 % ------ Schedule dynamic 5 is on
% 3.82/6.46
% 3.82/6.46 % ------ Input Options "--resolution_flag false --inst_lit_sel_side none" Time Limit: 10.
% 3.82/6.46
% 3.82/6.46
% 3.82/6.46 % ------
% 3.82/6.46 % Current options:
% 3.82/6.46 % ------
% 3.82/6.46
% 3.82/6.46
% 3.82/6.46 %
% 3.82/6.46
% 3.82/6.46 % ------ Proving...
% 3.82/6.46 %
% 3.82/6.46
% 3.82/6.46 % SZS status Unsatisfiable for theBenchmark.p
% 3.82/6.46
% 3.82/6.46 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 3.82/6.46
% 3.82/6.46
%------------------------------------------------------------------------------