%------------------------------------------------------------------------------
% File : Drodi-SAT---4.1.1
% Problem : PUZ035-4 : TPTP v9.3.1. Released v2.0.0.
% Transfm : none
% Format : tptp:raw
% Command : drodi -satmode(on) -timeout(300) /export/starexec/sandbox2/benchmark/theBenchmark.p
% Computer : n026.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 : Thu Sep 24 02:00:19 PM UTC 2026
% Result : Unsatisfiable 0.10s 0.40s
% Output : Assurance 0s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----No solution output by system
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : PUZ035-4 : TPTP v9.3.1. Released v2.0.0.
% 0.00/0.04 % Command : drodi -satmode(on) -timeout(300) /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.10/0.37 % Computer : n026.cluster.edu
% 0.10/0.37 % Model : x86_64 x86_64
% 0.10/0.37 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/0.37 % Memory : 8046.5625MB
% 0.10/0.37 % OS : Linux 6.8.0-71-generic
% 0.10/0.37 % CPULimit : 300
% 0.10/0.37 % WCLimit : 300
% 0.10/0.37 % DateTime : Mon Sep 21 03:49:23 UTC 2026
% 0.10/0.37 % CPUTime :
% 0.10/0.38 % Drodi V4.1.1
% 0.10/0.40 % Refutation found
% 0.10/0.40 % SZS status Unsatisfiable for theBenchmark: Theory is unsatisfiable
% 0.10/0.40 % SZS output start CNFRefutation for theBenchmark
% 0.10/0.40 fof(f1,axiom,(
% 0.10/0.40 (![P]: (( ~ person(P)| truth(isa(P,knight))| truth(isa(P,knave)) ) ))),
% 0.10/0.40 file('/export/starexec/sandbox2/benchmark/theBenchmark.p')).
% 0.10/0.40 fof(f5,axiom,(
% 0.10/0.40 ( says(asked,or(isa(asked,knight),isa(other,knight)))| says(asked,not(or(isa(asked,knight),isa(other,knight)))) ) ),
% 0.10/0.40 file('/export/starexec/sandbox2/benchmark/theBenchmark.p')).
% 0.10/0.40 fof(f12,axiom,(
% 0.10/0.40 person(asked) ),
% 0.10/0.40 file('/export/starexec/sandbox2/benchmark/theBenchmark.p')).
% 0.10/0.40 fof(f13,axiom,(
% 0.10/0.40 person(other) ),
% 0.10/0.40 file('/export/starexec/sandbox2/benchmark/theBenchmark.p')).
% 0.10/0.40 fof(f14,negated_conjecture,(
% 0.10/0.40 (![P1,P2,S]: (( ~ truth(isa(asked,P1))| ~ truth(isa(other,P2))| ~ says(asked,S) ) ))),
% 0.10/0.40 file('/export/starexec/sandbox2/benchmark/theBenchmark.p')).
% 0.10/0.40 fof(f15,plain,(
% 0.10/0.40 ![X0]: (~person(X0)|truth(isa(X0,knight))|truth(isa(X0,knave)))),
% 0.10/0.40 inference(cnf_transformation,[status(thm)],[f1])).
% 0.10/0.40 fof(f21,plain,(
% 0.10/0.40 says(asked,or(isa(asked,knight),isa(other,knight)))|says(asked,not(or(isa(asked,knight),isa(other,knight))))),
% 0.10/0.40 inference(cnf_transformation,[status(thm)],[f5])).
% 0.10/0.40 fof(f32,plain,(
% 0.10/0.40 person(asked)),
% 0.10/0.40 inference(cnf_transformation,[status(thm)],[f12])).
% 0.10/0.40 fof(f33,plain,(
% 0.10/0.40 person(other)),
% 0.10/0.40 inference(cnf_transformation,[status(thm)],[f13])).
% 0.10/0.40 fof(f34,plain,(
% 0.10/0.40 ((![P1]: ~truth(isa(asked,P1)))|(![P2]: ~truth(isa(other,P2))))|(![S]: ~says(asked,S))),
% 0.10/0.40 inference(miniscoping,[status(thm)],[f14])).
% 0.10/0.40 fof(f35,plain,(
% 0.10/0.40 ![X0,X1,X2]: (~truth(isa(asked,X0))|~truth(isa(other,X1))|~says(asked,X2))),
% 0.10/0.40 inference(cnf_transformation,[status(thm)],[f34])).
% 0.10/0.40 fof(f36,definition,(
% 0.10/0.40 sQ0_spl <=> (says(asked,or(isa(asked,knight),isa(other,knight))))),
% 0.10/0.40 introduced(definition,[new_symbols(definition,[sQ0_spl])],[split_symbol_definition])).
% 0.10/0.40 fof(f37,plain,(
% 0.10/0.40 says(asked,or(isa(asked,knight),isa(other,knight)))|~sQ0_spl),
% 0.10/0.40 inference(component_clause,[status(thm)],[f36])).
% 0.10/0.40 fof(f39,definition,(
% 0.10/0.40 sQ1_spl <=> (says(asked,not(or(isa(asked,knight),isa(other,knight)))))),
% 0.10/0.40 introduced(definition,[new_symbols(definition,[sQ1_spl])],[split_symbol_definition])).
% 0.10/0.40 fof(f40,plain,(
% 0.10/0.40 says(asked,not(or(isa(asked,knight),isa(other,knight))))|~sQ1_spl),
% 0.10/0.40 inference(component_clause,[status(thm)],[f39])).
% 0.10/0.40 fof(f42,plain,(
% 0.10/0.40 sQ0_spl|sQ1_spl),
% 0.10/0.40 inference(split_clause,[status(thm)],[f21,f36,f39])).
% 0.10/0.40 fof(f43,definition,(
% 0.10/0.40 ![X0]: (sQ2_spl <=> (~truth(isa(asked,X0))))),
% 0.10/0.40 introduced(definition,[new_symbols(definition,[sQ2_spl])],[split_symbol_definition])).
% 0.10/0.40 fof(f44,plain,(
% 0.10/0.40 ![X0]: (~truth(isa(asked,X0))|~sQ2_spl)),
% 0.10/0.40 inference(component_clause,[status(thm)],[f43])).
% 0.10/0.40 fof(f46,definition,(
% 0.10/0.40 ![X1]: (sQ3_spl <=> (~truth(isa(other,X1))))),
% 0.10/0.40 introduced(definition,[new_symbols(definition,[sQ3_spl])],[split_symbol_definition])).
% 0.10/0.40 fof(f47,plain,(
% 0.10/0.40 ![X0]: (~truth(isa(other,X0))|~sQ3_spl)),
% 0.10/0.40 inference(component_clause,[status(thm)],[f46])).
% 0.10/0.40 fof(f49,definition,(
% 0.10/0.40 ![X2]: (sQ4_spl <=> (~says(asked,X2)))),
% 0.10/0.40 introduced(definition,[new_symbols(definition,[sQ4_spl])],[split_symbol_definition])).
% 0.10/0.40 fof(f50,plain,(
% 0.10/0.40 ![X0]: (~says(asked,X0)|~sQ4_spl)),
% 0.10/0.40 inference(component_clause,[status(thm)],[f49])).
% 0.10/0.40 fof(f52,plain,(
% 0.10/0.40 sQ2_spl|sQ3_spl|sQ4_spl),
% 0.10/0.40 inference(split_clause,[status(thm)],[f35,f43,f46,f49])).
% 0.10/0.40 fof(f53,plain,(
% 0.10/0.40 $false|~sQ4_spl|~sQ0_spl),
% 0.10/0.40 inference(backward_subsumption_resolution,[status(thm)],[f37,f50])).
% 0.10/0.40 fof(f54,plain,(
% 0.10/0.40 ~sQ4_spl|~sQ0_spl),
% 0.10/0.40 inference(contradiction_clause,[status(thm)],[f53])).
% 0.10/0.40 fof(f64,definition,(
% 0.10/0.40 sQ7_spl <=> (truth(isa(asked,knight)))),
% 0.10/0.40 introduced(definition,[new_symbols(definition,[sQ7_spl])],[split_symbol_definition])).
% 0.10/0.40 fof(f65,plain,(
% 0.10/0.40 truth(isa(asked,knight))|~sQ7_spl),
% 0.10/0.40 inference(component_clause,[status(thm)],[f64])).
% 0.10/0.40 fof(f68,plain,(
% 0.10/0.40 $false|~sQ2_spl|~sQ7_spl),
% 0.10/0.40 inference(forward_subsumption_resolution,[status(thm)],[f65,f44])).
% 0.10/0.40 fof(f69,plain,(
% 0.10/0.40 ~sQ2_spl|~sQ7_spl),
% 0.10/0.40 inference(contradiction_clause,[status(thm)],[f68])).
% 0.10/0.40 fof(f72,plain,(
% 0.10/0.40 truth(isa(asked,knight))|truth(isa(asked,knave))),
% 0.10/0.40 inference(resolution,[status(thm)],[f32,f15])).
% 0.10/0.40 fof(f73,definition,(
% 0.10/0.41 sQ8_spl <=> (truth(isa(asked,knave)))),
% 0.10/0.41 introduced(definition,[new_symbols(definition,[sQ8_spl])],[split_symbol_definition])).
% 0.10/0.41 fof(f74,plain,(
% 0.10/0.41 truth(isa(asked,knave))|~sQ8_spl),
% 0.10/0.41 inference(component_clause,[status(thm)],[f73])).
% 0.10/0.41 fof(f76,plain,(
% 0.10/0.41 sQ7_spl|sQ8_spl),
% 0.10/0.41 inference(split_clause,[status(thm)],[f72,f64,f73])).
% 0.10/0.41 fof(f77,plain,(
% 0.10/0.41 truth(isa(other,knight))|truth(isa(other,knave))),
% 0.10/0.41 inference(resolution,[status(thm)],[f33,f15])).
% 0.10/0.41 fof(f78,definition,(
% 0.10/0.41 sQ9_spl <=> (truth(isa(other,knight)))),
% 0.10/0.41 introduced(definition,[new_symbols(definition,[sQ9_spl])],[split_symbol_definition])).
% 0.10/0.41 fof(f79,plain,(
% 0.10/0.41 truth(isa(other,knight))|~sQ9_spl),
% 0.10/0.41 inference(component_clause,[status(thm)],[f78])).
% 0.10/0.41 fof(f81,definition,(
% 0.10/0.41 sQ10_spl <=> (truth(isa(other,knave)))),
% 0.10/0.41 introduced(definition,[new_symbols(definition,[sQ10_spl])],[split_symbol_definition])).
% 0.10/0.41 fof(f82,plain,(
% 0.10/0.41 truth(isa(other,knave))|~sQ10_spl),
% 0.10/0.41 inference(component_clause,[status(thm)],[f81])).
% 0.10/0.41 fof(f84,plain,(
% 0.10/0.41 sQ9_spl|sQ10_spl),
% 0.10/0.41 inference(split_clause,[status(thm)],[f77,f78,f81])).
% 0.10/0.41 fof(f85,plain,(
% 0.10/0.41 $false|~sQ3_spl|~sQ9_spl),
% 0.10/0.41 inference(forward_subsumption_resolution,[status(thm)],[f79,f47])).
% 0.10/0.41 fof(f86,plain,(
% 0.10/0.41 ~sQ3_spl|~sQ9_spl),
% 0.10/0.41 inference(contradiction_clause,[status(thm)],[f85])).
% 0.10/0.41 fof(f87,plain,(
% 0.10/0.41 $false|~sQ2_spl|~sQ8_spl),
% 0.10/0.41 inference(backward_subsumption_resolution,[status(thm)],[f74,f44])).
% 0.10/0.41 fof(f88,plain,(
% 0.10/0.41 ~sQ2_spl|~sQ8_spl),
% 0.10/0.41 inference(contradiction_clause,[status(thm)],[f87])).
% 0.10/0.41 fof(f89,plain,(
% 0.10/0.41 $false|~sQ3_spl|~sQ10_spl),
% 0.10/0.41 inference(backward_subsumption_resolution,[status(thm)],[f82,f47])).
% 0.10/0.41 fof(f90,plain,(
% 0.10/0.41 ~sQ3_spl|~sQ10_spl),
% 0.10/0.41 inference(contradiction_clause,[status(thm)],[f89])).
% 0.10/0.41 fof(f91,plain,(
% 0.10/0.41 $false|~sQ4_spl|~sQ1_spl),
% 0.10/0.41 inference(backward_subsumption_resolution,[status(thm)],[f40,f50])).
% 0.10/0.41 fof(f92,plain,(
% 0.10/0.41 ~sQ4_spl|~sQ1_spl),
% 0.10/0.41 inference(contradiction_clause,[status(thm)],[f91])).
% 0.10/0.41 fof(f93,plain,(
% 0.10/0.41 $false),
% 0.10/0.41 inference(sat_refutation,[status(thm)],[f42,f52,f54,f69,f76,f84,f86,f88,f90,f92])).
% 0.10/0.41 % SZS output end CNFRefutation for theBenchmark.p
% 0.10/0.44 % Elapsed time: 0.055234 seconds
% 0.10/0.44 % CPU time: 0.167213 seconds
% 0.10/0.44 % Total memory used: 16.854 MB
% 0.10/0.44 % Net memory used: 16.479 MB
%------------------------------------------------------------------------------