%------------------------------------------------------------------------------
% File : Drodi-SAT---4.1.1
% Problem : PUZ035-2 : TPTP v9.3.1. Released v2.0.0.
% Transfm : none
% Format : tptp:raw
% Command : drodi -satmode(on) -timeout(300) /export/starexec/sandbox/benchmark/theBenchmark.p
% Computer : n002.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 0.11s 0.39s
% Output : Assurance 0s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----No solution output by system
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : PUZ035-2 : TPTP v9.3.1. Released v2.0.0.
% 0.00/0.04 % Command : drodi -satmode(on) -timeout(300) /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.10/0.36 % Computer : n002.cluster.edu
% 0.10/0.36 % Model : x86_64 x86_64
% 0.10/0.36 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/0.36 % Memory : 8046.5625MB
% 0.10/0.36 % OS : Linux 6.8.0-71-generic
% 0.10/0.36 % CPULimit : 300
% 0.10/0.36 % WCLimit : 300
% 0.10/0.36 % DateTime : Mon Sep 21 03:49:31 UTC 2026
% 0.11/0.36 % CPUTime :
% 0.11/0.37 % Drodi V4.1.1
% 0.11/0.39 % Refutation found
% 0.11/0.39 % SZS status Unsatisfiable for theBenchmark: Theory is unsatisfiable
% 0.11/0.39 % SZS output start CNFRefutation for theBenchmark
% 0.11/0.39 fof(f1,axiom,(
% 0.11/0.39 (![X]: (( ~ person(X)| isa(X,knight)| isa(X,knave) ) ))),
% 0.11/0.39 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.11/0.39 fof(f13,axiom,(
% 0.11/0.39 ( response(yes)| response(no) ) ),
% 0.11/0.39 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.11/0.39 fof(f14,axiom,(
% 0.11/0.39 person(asked) ),
% 0.11/0.39 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.11/0.39 fof(f15,axiom,(
% 0.11/0.39 person(other) ),
% 0.11/0.39 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.11/0.39 fof(f16,negated_conjecture,(
% 0.11/0.39 (![A,X,Y]: (( ~ response(A)| ~ isa(asked,X)| ~ isa(other,Y) ) ))),
% 0.11/0.39 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.11/0.39 fof(f17,plain,(
% 0.11/0.39 ![X0]: (~person(X0)|isa(X0,knight)|isa(X0,knave))),
% 0.11/0.39 inference(cnf_transformation,[status(thm)],[f1])).
% 0.11/0.39 fof(f32,plain,(
% 0.11/0.39 response(yes)|response(no)),
% 0.11/0.39 inference(cnf_transformation,[status(thm)],[f13])).
% 0.11/0.39 fof(f33,plain,(
% 0.11/0.39 person(asked)),
% 0.11/0.39 inference(cnf_transformation,[status(thm)],[f14])).
% 0.11/0.39 fof(f34,plain,(
% 0.11/0.39 person(other)),
% 0.11/0.39 inference(cnf_transformation,[status(thm)],[f15])).
% 0.11/0.39 fof(f35,plain,(
% 0.11/0.39 ((![A]: ~response(A))|(![X]: ~isa(asked,X)))|(![Y]: ~isa(other,Y))),
% 0.11/0.39 inference(miniscoping,[status(thm)],[f16])).
% 0.11/0.39 fof(f36,plain,(
% 0.11/0.39 ![X0,X1,X2]: (~response(X0)|~isa(asked,X1)|~isa(other,X2))),
% 0.11/0.39 inference(cnf_transformation,[status(thm)],[f35])).
% 0.11/0.39 fof(f37,definition,(
% 0.11/0.39 sQ0_spl <=> (isa(asked,knight))),
% 0.11/0.39 introduced(definition,[new_symbols(definition,[sQ0_spl])],[split_symbol_definition])).
% 0.11/0.39 fof(f38,plain,(
% 0.11/0.39 isa(asked,knight)|~sQ0_spl),
% 0.11/0.39 inference(component_clause,[status(thm)],[f37])).
% 0.11/0.39 fof(f40,definition,(
% 0.11/0.39 sQ1_spl <=> (isa(other,knight))),
% 0.11/0.39 introduced(definition,[new_symbols(definition,[sQ1_spl])],[split_symbol_definition])).
% 0.11/0.39 fof(f41,plain,(
% 0.11/0.39 isa(other,knight)|~sQ1_spl),
% 0.11/0.39 inference(component_clause,[status(thm)],[f40])).
% 0.11/0.39 fof(f43,definition,(
% 0.11/0.39 sQ2_spl <=> (response(yes))),
% 0.11/0.39 introduced(definition,[new_symbols(definition,[sQ2_spl])],[split_symbol_definition])).
% 0.11/0.39 fof(f44,plain,(
% 0.11/0.39 response(yes)|~sQ2_spl),
% 0.11/0.39 inference(component_clause,[status(thm)],[f43])).
% 0.11/0.39 fof(f50,definition,(
% 0.11/0.39 sQ4_spl <=> (response(no))),
% 0.11/0.39 introduced(definition,[new_symbols(definition,[sQ4_spl])],[split_symbol_definition])).
% 0.11/0.39 fof(f51,plain,(
% 0.11/0.39 response(no)|~sQ4_spl),
% 0.11/0.39 inference(component_clause,[status(thm)],[f50])).
% 0.11/0.39 fof(f57,definition,(
% 0.11/0.39 ![X0]: (sQ6_spl <=> (~isa(X0,knight)))),
% 0.11/0.39 introduced(definition,[new_symbols(definition,[sQ6_spl])],[split_symbol_definition])).
% 0.11/0.39 fof(f58,plain,(
% 0.11/0.39 ![X0]: (~isa(X0,knight)|~sQ6_spl)),
% 0.11/0.39 inference(component_clause,[status(thm)],[f57])).
% 0.11/0.39 fof(f64,plain,(
% 0.11/0.39 sQ2_spl|sQ4_spl),
% 0.11/0.39 inference(split_clause,[status(thm)],[f32,f43,f50])).
% 0.11/0.39 fof(f65,definition,(
% 0.11/0.39 ![X0]: (sQ7_spl <=> (~response(X0)))),
% 0.11/0.39 introduced(definition,[new_symbols(definition,[sQ7_spl])],[split_symbol_definition])).
% 0.11/0.39 fof(f66,plain,(
% 0.11/0.39 ![X0]: (~response(X0)|~sQ7_spl)),
% 0.11/0.39 inference(component_clause,[status(thm)],[f65])).
% 0.11/0.39 fof(f68,definition,(
% 0.11/0.39 ![X1]: (sQ8_spl <=> (~isa(asked,X1)))),
% 0.11/0.39 introduced(definition,[new_symbols(definition,[sQ8_spl])],[split_symbol_definition])).
% 0.11/0.39 fof(f69,plain,(
% 0.11/0.39 ![X0]: (~isa(asked,X0)|~sQ8_spl)),
% 0.11/0.39 inference(component_clause,[status(thm)],[f68])).
% 0.11/0.39 fof(f71,definition,(
% 0.11/0.39 ![X2]: (sQ9_spl <=> (~isa(other,X2)))),
% 0.11/0.39 introduced(definition,[new_symbols(definition,[sQ9_spl])],[split_symbol_definition])).
% 0.11/0.39 fof(f72,plain,(
% 0.11/0.39 ![X0]: (~isa(other,X0)|~sQ9_spl)),
% 0.11/0.39 inference(component_clause,[status(thm)],[f71])).
% 0.11/0.39 fof(f74,plain,(
% 0.11/0.39 sQ7_spl|sQ8_spl|sQ9_spl),
% 0.11/0.39 inference(split_clause,[status(thm)],[f36,f65,f68,f71])).
% 0.11/0.39 fof(f75,plain,(
% 0.11/0.39 ~person(other)|isa(other,knight)|~sQ9_spl),
% 0.11/0.39 inference(resolution,[status(thm)],[f17,f72])).
% 0.11/0.39 fof(f76,definition,(
% 0.11/0.39 sQ10_spl <=> (person(other))),
% 0.11/0.39 introduced(definition,[new_symbols(definition,[sQ10_spl])],[split_symbol_definition])).
% 0.11/0.39 fof(f78,plain,(
% 0.11/0.39 ~person(other)|sQ10_spl),
% 0.11/0.39 inference(component_clause,[status(thm)],[f76])).
% 0.11/0.39 fof(f79,plain,(
% 0.11/0.39 ~sQ10_spl|sQ1_spl|~sQ9_spl),
% 0.11/0.39 inference(split_clause,[status(thm)],[f75,f76,f40,f71])).
% 0.11/0.39 fof(f80,plain,(
% 0.11/0.39 $false|sQ10_spl),
% 0.11/0.39 inference(forward_subsumption_resolution,[status(thm)],[f78,f34])).
% 0.11/0.39 fof(f81,plain,(
% 0.11/0.39 sQ10_spl),
% 0.11/0.39 inference(contradiction_clause,[status(thm)],[f80])).
% 0.11/0.39 fof(f82,plain,(
% 0.11/0.39 ~person(asked)|isa(asked,knight)|~sQ8_spl),
% 0.11/0.39 inference(resolution,[status(thm)],[f69,f17])).
% 0.11/0.39 fof(f83,definition,(
% 0.11/0.39 sQ11_spl <=> (person(asked))),
% 0.11/0.39 introduced(definition,[new_symbols(definition,[sQ11_spl])],[split_symbol_definition])).
% 0.11/0.39 fof(f85,plain,(
% 0.11/0.39 ~person(asked)|sQ11_spl),
% 0.11/0.39 inference(component_clause,[status(thm)],[f83])).
% 0.11/0.39 fof(f86,plain,(
% 0.11/0.39 ~sQ11_spl|sQ0_spl|~sQ8_spl),
% 0.11/0.39 inference(split_clause,[status(thm)],[f82,f83,f37,f68])).
% 0.11/0.39 fof(f87,plain,(
% 0.11/0.39 $false|sQ11_spl),
% 0.11/0.39 inference(forward_subsumption_resolution,[status(thm)],[f85,f33])).
% 0.11/0.39 fof(f88,plain,(
% 0.11/0.39 sQ11_spl),
% 0.11/0.39 inference(contradiction_clause,[status(thm)],[f87])).
% 0.11/0.39 fof(f89,plain,(
% 0.11/0.39 $false|~sQ7_spl|~sQ2_spl),
% 0.11/0.39 inference(forward_subsumption_resolution,[status(thm)],[f44,f66])).
% 0.11/0.39 fof(f90,plain,(
% 0.11/0.39 ~sQ7_spl|~sQ2_spl),
% 0.11/0.39 inference(contradiction_clause,[status(thm)],[f89])).
% 0.11/0.39 fof(f91,plain,(
% 0.11/0.39 $false|~sQ7_spl|~sQ4_spl),
% 0.11/0.39 inference(forward_subsumption_resolution,[status(thm)],[f51,f66])).
% 0.11/0.39 fof(f92,plain,(
% 0.11/0.39 ~sQ7_spl|~sQ4_spl),
% 0.11/0.39 inference(contradiction_clause,[status(thm)],[f91])).
% 0.11/0.39 fof(f96,plain,(
% 0.11/0.39 $false|~sQ6_spl|~sQ1_spl),
% 0.11/0.39 inference(forward_subsumption_resolution,[status(thm)],[f41,f58])).
% 0.11/0.39 fof(f97,plain,(
% 0.11/0.39 ~sQ6_spl|~sQ1_spl),
% 0.11/0.39 inference(contradiction_clause,[status(thm)],[f96])).
% 0.11/0.39 fof(f98,plain,(
% 0.11/0.39 $false|~sQ8_spl|~sQ0_spl),
% 0.11/0.39 inference(forward_subsumption_resolution,[status(thm)],[f38,f69])).
% 0.11/0.39 fof(f99,plain,(
% 0.11/0.39 ~sQ8_spl|~sQ0_spl),
% 0.11/0.39 inference(contradiction_clause,[status(thm)],[f98])).
% 0.11/0.39 fof(f100,plain,(
% 0.11/0.39 $false|~sQ9_spl|~sQ1_spl),
% 0.11/0.39 inference(forward_subsumption_resolution,[status(thm)],[f41,f72])).
% 0.11/0.39 fof(f101,plain,(
% 0.11/0.39 ~sQ9_spl|~sQ1_spl),
% 0.11/0.39 inference(contradiction_clause,[status(thm)],[f100])).
% 0.11/0.39 fof(f102,plain,(
% 0.11/0.39 $false),
% 0.11/0.39 inference(sat_refutation,[status(thm)],[f64,f74,f79,f81,f86,f88,f90,f92,f97,f99,f101])).
% 0.11/0.39 % SZS output end CNFRefutation for theBenchmark.p
% 0.11/0.40 % Elapsed time: 0.034879 seconds
% 0.11/0.40 % CPU time: 0.083676 seconds
% 0.11/0.40 % Total memory used: 11.042 MB
% 0.11/0.40 % Net memory used: 10.830 MB
%------------------------------------------------------------------------------