%------------------------------------------------------------------------------
% File : CSE_E---1.7
% Problem : PUZ011-1 : TPTP v9.2.1. Released v1.0.0.
% Transfm : none
% Format : tptp:raw
% Command : /export/starexec/sandbox2/solver/bin/lemma_parallel_prover %s --lemma-prover /export/starexec/sandbox2/solver/bin/cse --final-prover /export/starexec/sandbox2/solver/bin/eprover --proof-time %d --global-time-limit %d
% Computer : n019.cluster.edu
% Model : x86_64 x86_64
% CPU : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory : 8042.1875MB
% OS : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit : 300s
% DateTime : Tue May 5 05:02:16 PM UTC 2026
% Result : Unsatisfiable 0.25s 1.62s
% Output : CNFRefutation 0.25s
% Verified :
% SZS Type : Refutation
% Derivation depth : 2
% Number of leaves : 27
% Syntax : Number of clauses : 55 ( 53 unt; 0 nHn; 55 RR)
% Number of literals : 63 ( 0 equ; 10 neg)
% Maximal clause size : 5 ( 1 avg)
% Maximal term depth : 1 ( 1 avg)
% Number of predicates : 6 ( 5 usr; 1 prp; 0-2 aty)
% Number of functors : 14 ( 14 usr; 14 con; 0-0 aty)
% Number of variables : 6 ( 0 sgn)
% Comments :
%------------------------------------------------------------------------------
cnf(prove_there_is_a_common_ocean,negated_conjecture,
( ~ ocean(X1)
| ~ borders(X1,X2)
| ~ african(X2)
| ~ borders(X1,X3)
| ~ asian(X3) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_there_is_a_common_ocean) ).
cnf(indian_tanzania,hypothesis,
borders(indian,tanzania),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',indian_tanzania) ).
cnf(indian_kenya,hypothesis,
borders(indian,kenya),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',indian_kenya) ).
cnf(indian_somalia,hypothesis,
borders(indian,somalia),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',indian_somalia) ).
cnf(indian_iran,hypothesis,
borders(indian,iran),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',indian_iran) ).
cnf(indian_pakistan,hypothesis,
borders(indian,pakistan),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',indian_pakistan) ).
cnf(indian_india,hypothesis,
borders(indian,india),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',indian_india) ).
cnf(atlantic_angola,hypothesis,
borders(atlantic,angola),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',atlantic_angola) ).
cnf(atlantic_nigeria,hypothesis,
borders(atlantic,nigeria),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',atlantic_nigeria) ).
cnf(atlantic_zaire,hypothesis,
borders(atlantic,zaire),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',atlantic_zaire) ).
cnf(atlantic_venesuela,hypothesis,
borders(atlantic,venesuela),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',atlantic_venesuela) ).
cnf(atlantic_uruguay,hypothesis,
borders(atlantic,uruguay),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',atlantic_uruguay) ).
cnf(atlantic_brazil,hypothesis,
borders(atlantic,brazil),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',atlantic_brazil) ).
cnf(iran,hypothesis,
asian(iran),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',iran) ).
cnf(pakistan,hypothesis,
asian(pakistan),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',pakistan) ).
cnf(india,hypothesis,
asian(india),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',india) ).
cnf(tanzania,hypothesis,
african(tanzania),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',tanzania) ).
cnf(kenya,hypothesis,
african(kenya),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',kenya) ).
cnf(somalia,hypothesis,
african(somalia),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',somalia) ).
cnf(angola,hypothesis,
african(angola),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',angola) ).
cnf(nigeria,hypothesis,
african(nigeria),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',nigeria) ).
cnf(zaire,hypothesis,
african(zaire),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',zaire) ).
cnf(venezuela,hypothesis,
south_american(venesuela),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',venezuela) ).
cnf(uruguay,hypothesis,
south_american(uruguay),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',uruguay) ).
cnf(brazil,hypothesis,
south_american(brazil),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',brazil) ).
cnf(indian,hypothesis,
ocean(indian),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',indian) ).
cnf(atlantic,hypothesis,
ocean(atlantic),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',atlantic) ).
cnf(i_0_27,negated_conjecture,
( ~ ocean(X1)
| ~ borders(X1,X2)
| ~ african(X2)
| ~ borders(X1,X3)
| ~ asian(X3) ),
prove_there_is_a_common_ocean,
[final] ).
cnf(i_0_28,hypothesis,
borders(indian,tanzania),
indian_tanzania,
[final] ).
cnf(i_0_29,hypothesis,
borders(indian,kenya),
indian_kenya,
[final] ).
cnf(i_0_30,hypothesis,
borders(indian,somalia),
indian_somalia,
[final] ).
cnf(i_0_31,hypothesis,
borders(indian,iran),
indian_iran,
[final] ).
cnf(i_0_32,hypothesis,
borders(indian,pakistan),
indian_pakistan,
[final] ).
cnf(i_0_33,hypothesis,
borders(indian,india),
indian_india,
[final] ).
cnf(i_0_34,hypothesis,
borders(atlantic,angola),
atlantic_angola,
[final] ).
cnf(i_0_35,hypothesis,
borders(atlantic,nigeria),
atlantic_nigeria,
[final] ).
cnf(i_0_36,hypothesis,
borders(atlantic,zaire),
atlantic_zaire,
[final] ).
cnf(i_0_37,hypothesis,
borders(atlantic,venesuela),
atlantic_venesuela,
[final] ).
cnf(i_0_38,hypothesis,
borders(atlantic,uruguay),
atlantic_uruguay,
[final] ).
cnf(i_0_39,hypothesis,
borders(atlantic,brazil),
atlantic_brazil,
[final] ).
cnf(i_0_40,hypothesis,
asian(iran),
iran,
[final] ).
cnf(i_0_41,hypothesis,
asian(pakistan),
pakistan,
[final] ).
cnf(i_0_42,hypothesis,
asian(india),
india,
[final] ).
cnf(i_0_43,hypothesis,
african(tanzania),
tanzania,
[final] ).
cnf(i_0_44,hypothesis,
african(kenya),
kenya,
[final] ).
cnf(i_0_45,hypothesis,
african(somalia),
somalia,
[final] ).
cnf(i_0_46,hypothesis,
african(angola),
angola,
[final] ).
cnf(i_0_47,hypothesis,
african(nigeria),
nigeria,
[final] ).
cnf(i_0_48,hypothesis,
african(zaire),
zaire,
[final] ).
cnf(i_0_49,hypothesis,
south_american(venesuela),
venezuela,
[final] ).
cnf(i_0_50,hypothesis,
south_american(uruguay),
uruguay,
[final] ).
cnf(i_0_51,hypothesis,
south_american(brazil),
brazil,
[final] ).
cnf(i_0_52,hypothesis,
ocean(indian),
indian,
[final] ).
cnf(i_0_53,hypothesis,
ocean(atlantic),
atlantic,
[final] ).
cnf(i_0_54,plain,
$false,
inference(scs_inference,[],[i_0_28,i_0_52,i_0_31,i_0_40,i_0_43,i_0_27]),
[proof] ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12 % Problem : PUZ011-1 : TPTP v9.2.1. Released v1.0.0.
% 0.00/0.12 % Command : /export/starexec/sandbox2/solver/bin/lemma_parallel_prover %s --lemma-prover /export/starexec/sandbox2/solver/bin/cse --final-prover /export/starexec/sandbox2/solver/bin/eprover --proof-time %d --global-time-limit %d
% 0.14/0.33 % Computer : n019.cluster.edu
% 0.14/0.33 % Model : x86_64 x86_64
% 0.14/0.33 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.33 % Memory : 8042.1875MB
% 0.14/0.33 % OS : Linux 3.10.0-693.el7.x86_64
% 0.14/0.33 % CPULimit : 300
% 0.14/0.33 % WCLimit : 300
% 0.14/0.33 % DateTime : Tue May 5 01:32:44 EDT 2026
% 0.14/0.33 % CPUTime :
% 0.14/0.34 % start to proof: theBenchmark
% 0.25/1.62 % Version : CSE_E---1.7
% 0.25/1.62 % Problem : theBenchmark.p
% 0.25/1.62 % SZS status Unsatisfiable for theBenchmark.p
% 0.25/1.62 % SZS output start CNFRefutation
% See solution above
% 0.25/1.63 % Total time : 1.271s
%------------------------------------------------------------------------------