%------------------------------------------------------------------------------
% File : iProver---3.9.4
% Problem : PUZ047-1 : TPTP v9.3.1. Released v2.5.0.
% Transfm : none
% Format : tptp:raw
% Command : run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% Computer : n014.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 02:32:50 PM UTC 2026
% Result : Unsatisfiable 1.62s 6.28s
% Output : CNFRefutation 1.62s
% Verified :
% SZS Type : Refutation
% Derivation depth : 10
% Number of leaves : 8
% Syntax : Number of formulae : 32 ( 14 unt; 0 def)
% Number of atoms : 50 ( 0 equ)
% Maximal formula atoms : 2 ( 1 avg)
% Number of connectives : 46 ( 28 ~; 18 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 6 ( 4 avg)
% Maximal term depth : 2 ( 1 avg)
% Number of types : 1 ( 0 usr)
% Number of type conns : 0 ( 0 >; 0 *; 0 +; 0 <<)
% Number of predicates : 2 ( 1 usr; 1 prp; 0-5 aty)
% Number of functors : 7 ( 7 usr; 3 con; 0-1 aty)
% Number of variables : 40 ( 0 sgn 40 !; 0 ?; 29 :)
% Comments :
%------------------------------------------------------------------------------
fof(f1,negated_conjecture,
p(south,south,south,south,start),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',thm100_1) ).
fof(f3,negated_conjecture,
! [X0] :
( ~ p(north,north,south,north,X0)
| p(south,north,south,north,go_alone(X0)) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',thm100_3) ).
fof(f5,negated_conjecture,
! [X0] :
( ~ p(north,south,north,south,X0)
| p(south,south,north,south,go_alone(X0)) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',thm100_5) ).
fof(f8,negated_conjecture,
! [X0] :
( ~ p(south,south,north,south,X0)
| p(north,north,north,south,take_wolf(X0)) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',thm100_8) ).
fof(f10,negated_conjecture,
! [X2,X0,X1] :
( ~ p(south,X0,south,X1,X2)
| p(north,X0,north,X1,take_goat(X2)) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',thm100_10) ).
fof(f11,negated_conjecture,
! [X2,X0,X1] :
( ~ p(north,X0,north,X1,X2)
| p(south,X0,south,X1,take_goat(X2)) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',thm100_11) ).
fof(f12,negated_conjecture,
! [X0] :
( ~ p(south,north,south,south,X0)
| p(north,north,south,north,take_cabbage(X0)) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',thm100_12) ).
fof(f16,negated_conjecture,
! [X0] : ~ p(north,north,north,north,X0),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',thm100_16) ).
tcf(c_65,negated_conjecture,
p(south,south,south,south,start),
inference(cnf_transformation,[],[f1]) ).
tcf(c_67,negated_conjecture,
! [X0: $i] :
( p(south,north,south,north,go_alone(X0))
| ~ p(north,north,south,north,X0) ),
inference(cnf_transformation,[],[f3]) ).
tcf(c_69,negated_conjecture,
! [X0: $i] :
( p(south,south,north,south,go_alone(X0))
| ~ p(north,south,north,south,X0) ),
inference(cnf_transformation,[],[f5]) ).
tcf(c_72,negated_conjecture,
! [X0: $i] :
( p(north,north,north,south,take_wolf(X0))
| ~ p(south,south,north,south,X0) ),
inference(cnf_transformation,[],[f8]) ).
tcf(c_74,negated_conjecture,
! [X0: $i,X1: $i,X2: $i] :
( p(north,X0,north,X1,take_goat(X2))
| ~ p(south,X0,south,X1,X2) ),
inference(cnf_transformation,[],[f10]) ).
tcf(c_75,negated_conjecture,
! [X0: $i,X1: $i,X2: $i] :
( p(south,X0,south,X1,take_goat(X2))
| ~ p(north,X0,north,X1,X2) ),
inference(cnf_transformation,[],[f11]) ).
tcf(c_76,negated_conjecture,
! [X0: $i] :
( p(north,north,south,north,take_cabbage(X0))
| ~ p(south,north,south,south,X0) ),
inference(cnf_transformation,[],[f12]) ).
tcf(c_80,negated_conjecture,
! [X0: $i] : ~ p(north,north,north,north,X0),
inference(cnf_transformation,[],[f16]) ).
tcf(c_155,negated_conjecture,
! [X0: $i] : ~ p(north,north,north,north,X0),
inference(demodulation,[status(thm)],[c_80]) ).
tcf(c_159,negated_conjecture,
! [X0: $i] :
( p(north,north,south,north,take_cabbage(X0))
| ~ p(south,north,south,south,X0) ),
inference(demodulation,[status(thm)],[c_76]) ).
tcf(c_160,negated_conjecture,
! [X0: $i,X1: $i,X2: $i] :
( p(south,X0,south,X1,take_goat(X2))
| ~ p(north,X0,north,X1,X2) ),
inference(demodulation,[status(thm)],[c_75]) ).
tcf(c_161,negated_conjecture,
! [X0: $i,X1: $i,X2: $i] :
( p(north,X0,north,X1,take_goat(X2))
| ~ p(south,X0,south,X1,X2) ),
inference(demodulation,[status(thm)],[c_74]) ).
tcf(c_163,negated_conjecture,
! [X0: $i] :
( p(north,north,north,south,take_wolf(X0))
| ~ p(south,south,north,south,X0) ),
inference(demodulation,[status(thm)],[c_72]) ).
tcf(c_166,negated_conjecture,
! [X0: $i] :
( p(south,south,north,south,go_alone(X0))
| ~ p(north,south,north,south,X0) ),
inference(demodulation,[status(thm)],[c_69]) ).
tcf(c_168,negated_conjecture,
! [X0: $i] :
( p(south,north,south,north,go_alone(X0))
| ~ p(north,north,south,north,X0) ),
inference(demodulation,[status(thm)],[c_67]) ).
tcf(c_170,negated_conjecture,
p(south,south,south,south,start),
inference(demodulation,[status(thm)],[c_65]) ).
tcf(c_276,plain,
! [X0: $i] : ~ p(south,north,south,north,X0),
inference(superposition,[status(thm)],[c_161,c_155]) ).
tcf(c_333,plain,
! [X0: $i] : ~ p(north,north,south,north,X0),
inference(forward_subsumption_resolution,[status(thm)],[c_168,c_276]) ).
tcf(c_334,plain,
! [X0: $i] : ~ p(south,north,south,south,X0),
inference(backward_subsumption_resolution,[status(thm)],[c_159,c_333]) ).
tcf(c_341,plain,
! [X0: $i] : ~ p(north,north,north,south,X0),
inference(superposition,[status(thm)],[c_160,c_334]) ).
tcf(c_342,plain,
! [X0: $i] : ~ p(south,south,north,south,X0),
inference(backward_subsumption_resolution,[status(thm)],[c_163,c_341]) ).
tcf(c_344,plain,
! [X0: $i] : ~ p(north,south,north,south,X0),
inference(backward_subsumption_resolution,[status(thm)],[c_166,c_342]) ).
tcf(c_359,plain,
! [X0: $i] : ~ p(south,south,south,south,X0),
inference(superposition,[status(thm)],[c_161,c_344]) ).
tcf(c_360,plain,
$false,
inference(backward_subsumption_resolution,[status(thm)],[c_170,c_359]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : PUZ047-1 : TPTP v9.3.1. Released v2.5.0.
% 0.00/0.05 % Command : run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% 0.13/5.38 % Computer : n014.cluster.edu
% 0.13/5.38 % Model : x86_64 x86_64
% 0.13/5.38 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/5.38 % Memory : 8046.5625MB
% 0.13/5.38 % OS : Linux 6.8.0-71-generic
% 0.13/5.38 % CPULimit : 300
% 0.13/5.38 % WCLimit : 300
% 0.13/5.38 % DateTime : Thu Sep 24 06:47:24 UTC 2026
% 0.13/5.38 % CPUTime :
% 0.13/5.38 Running run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% 0.16/5.42 Running first-order theorem proving
% 0.16/5.42 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
% 0.16/5.43
% 0.16/5.43 % ======== iProver multi-core TPTP/SMT =========
% 0.16/5.43
% 0.16/5.43 % Detected problem language: tptp
% 0.16/5.44 % Proving...
% 1.62/6.28 % SZS status Started for theBenchmark.p
% 1.62/6.28 % SZS status Unsatisfiable for theBenchmark.p
% 1.62/6.28
% 1.62/6.28 %---------------- iProver v3.9.4 (pre CASC 2026/SMT-COMP 2026) ----------------%
% 1.62/6.28
% 1.62/6.28 % ------ iProver source info
% 1.62/6.28
% 1.62/6.28 % git: date: 2026-07-19 20:42:38 +0200
% 1.62/6.28 % git: sha1: 804e7d636a263075307957e923b7a22a4035de61
% 1.62/6.28 % git: non_committed_changes: false
% 1.62/6.28
% 1.62/6.28 % ------ Parsing...% successful
% 1.62/6.28
% 1.62/6.28
% 1.62/6.28 % ------ Clausification by vclausify_rel & Parsing by iProver...%
% 1.62/6.28
% 1.62/6.28 % ------ Preprocessing... sf_s rm: 0 0s sf_e pe_s pe_e %
% 1.62/6.28
% 1.62/6.28 % ------ Preprocessing... gs_s sp: 0 0s gs_e snvd_s sp: 0 0s snvd_e
% 1.62/6.28 % ------ Proving...
% 1.62/6.28 % ------ Problem Properties
% 1.62/6.28
% 1.62/6.28 %
% 1.62/6.28 % clauses 16
% 1.62/6.28 % conjectures 16
% 1.62/6.28 % EPR 2
% 1.62/6.28 % Horn 16
% 1.62/6.28 % unary 2
% 1.62/6.28 % binary 14
% 1.62/6.28 % lits 30
% 1.62/6.28 % lits eq 0
% 1.62/6.28 % fd_pure 0
% 1.62/6.28 % fd_pseudo 0
% 1.62/6.28 % fd_cond 0
% 1.62/6.28 % fd_pseudo_cond 0
% 1.62/6.28 % AC symbols 0
% 1.62/6.28
% 1.62/6.28 % ------ Schedule dynamic 5 is on
% 1.62/6.28
% 1.62/6.28 % ------ no equalities: superposition off
% 1.62/6.28
% 1.62/6.28 % ------ Input Options "--resolution_flag false --inst_lit_sel_side none" Time Limit: 10.
% 1.62/6.28
% 1.62/6.28
% 1.62/6.28 % ------
% 1.62/6.28 % Current options:
% 1.62/6.28 % ------
% 1.62/6.28
% 1.62/6.28
% 1.62/6.28 %
% 1.62/6.28
% 1.62/6.28 % ------ Proving...
% 1.62/6.28 %
% 1.62/6.28
% 1.62/6.28 % SZS status Unsatisfiable for theBenchmark.p
% 1.62/6.28
% 1.62/6.28 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 1.62/6.28
% 1.62/6.28
%------------------------------------------------------------------------------