%------------------------------------------------------------------------------
% File : Drodi-SAT---4.1.1
% Problem : PUZ035-3 : 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 : 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 0.12s 0.37s
% Output : Assurance 0s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----No solution output by system
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.02 % Problem : PUZ035-3 : TPTP v9.3.1. Released v2.0.0.
% 0.00/0.03 % Command : drodi -satmode(on) -timeout(300) /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.08/0.34 % Computer : n026.cluster.edu
% 0.08/0.34 % Model : x86_64 x86_64
% 0.08/0.34 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.08/0.34 % Memory : 8046.5625MB
% 0.08/0.34 % OS : Linux 6.8.0-71-generic
% 0.08/0.34 % CPULimit : 300
% 0.08/0.34 % WCLimit : 300
% 0.08/0.34 % DateTime : Mon Sep 21 03:49:23 UTC 2026
% 0.08/0.34 % CPUTime :
% 0.08/0.35 % Drodi V4.1.1
% 0.12/0.37 % Refutation found
% 0.12/0.37 % SZS status Unsatisfiable for theBenchmark: Theory is unsatisfiable
% 0.12/0.37 % SZS output start CNFRefutation for theBenchmark
% 0.12/0.37 fof(f1,axiom,(
% 0.12/0.37 (![P]: (( ~ person(P)| truth(isa(P,knight))| truth(isa(P,knave)) ) ))),
% 0.12/0.37 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.12/0.37 fof(f7,axiom,(
% 0.12/0.37 ( says(asked,or(isa(asked,knight),isa(other,knight)))| says(asked,not(or(isa(asked,knight),isa(other,knight)))) ) ),
% 0.12/0.37 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.12/0.37 fof(f14,axiom,(
% 0.12/0.37 person(asked) ),
% 0.12/0.37 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.12/0.37 fof(f15,axiom,(
% 0.12/0.37 person(other) ),
% 0.12/0.37 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.12/0.37 fof(f16,negated_conjecture,(
% 0.12/0.37 (![P1,P2,S]: (( ~ truth(isa(asked,P1))| ~ truth(isa(other,P2))| ~ says(asked,S) ) ))),
% 0.12/0.37 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.12/0.37 fof(f17,plain,(
% 0.12/0.37 ![X0]: (~person(X0)|truth(isa(X0,knight))|truth(isa(X0,knave)))),
% 0.12/0.37 inference(cnf_transformation,[status(thm)],[f1])).
% 0.12/0.37 fof(f27,plain,(
% 0.12/0.37 says(asked,or(isa(asked,knight),isa(other,knight)))|says(asked,not(or(isa(asked,knight),isa(other,knight))))),
% 0.12/0.37 inference(cnf_transformation,[status(thm)],[f7])).
% 0.12/0.37 fof(f38,plain,(
% 0.12/0.37 person(asked)),
% 0.12/0.37 inference(cnf_transformation,[status(thm)],[f14])).
% 0.12/0.37 fof(f39,plain,(
% 0.12/0.37 person(other)),
% 0.12/0.37 inference(cnf_transformation,[status(thm)],[f15])).
% 0.12/0.37 fof(f40,plain,(
% 0.12/0.37 ((![P1]: ~truth(isa(asked,P1)))|(![P2]: ~truth(isa(other,P2))))|(![S]: ~says(asked,S))),
% 0.12/0.37 inference(miniscoping,[status(thm)],[f16])).
% 0.12/0.37 fof(f41,plain,(
% 0.12/0.37 ![X0,X1,X2]: (~truth(isa(asked,X0))|~truth(isa(other,X1))|~says(asked,X2))),
% 0.12/0.37 inference(cnf_transformation,[status(thm)],[f40])).
% 0.12/0.37 fof(f42,definition,(
% 0.12/0.37 sQ0_spl <=> (says(asked,or(isa(asked,knight),isa(other,knight))))),
% 0.12/0.37 introduced(definition,[new_symbols(definition,[sQ0_spl])],[split_symbol_definition])).
% 0.12/0.37 fof(f43,plain,(
% 0.12/0.37 says(asked,or(isa(asked,knight),isa(other,knight)))|~sQ0_spl),
% 0.12/0.37 inference(component_clause,[status(thm)],[f42])).
% 0.12/0.37 fof(f45,definition,(
% 0.12/0.37 sQ1_spl <=> (says(asked,not(or(isa(asked,knight),isa(other,knight)))))),
% 0.12/0.37 introduced(definition,[new_symbols(definition,[sQ1_spl])],[split_symbol_definition])).
% 0.12/0.37 fof(f46,plain,(
% 0.12/0.37 says(asked,not(or(isa(asked,knight),isa(other,knight))))|~sQ1_spl),
% 0.12/0.37 inference(component_clause,[status(thm)],[f45])).
% 0.12/0.37 fof(f48,plain,(
% 0.12/0.37 sQ0_spl|sQ1_spl),
% 0.12/0.37 inference(split_clause,[status(thm)],[f27,f42,f45])).
% 0.12/0.37 fof(f49,definition,(
% 0.12/0.37 ![X0]: (sQ2_spl <=> (~truth(isa(asked,X0))))),
% 0.12/0.37 introduced(definition,[new_symbols(definition,[sQ2_spl])],[split_symbol_definition])).
% 0.12/0.37 fof(f50,plain,(
% 0.12/0.37 ![X0]: (~truth(isa(asked,X0))|~sQ2_spl)),
% 0.12/0.37 inference(component_clause,[status(thm)],[f49])).
% 0.12/0.37 fof(f52,definition,(
% 0.12/0.37 ![X1]: (sQ3_spl <=> (~truth(isa(other,X1))))),
% 0.12/0.37 introduced(definition,[new_symbols(definition,[sQ3_spl])],[split_symbol_definition])).
% 0.12/0.37 fof(f53,plain,(
% 0.12/0.37 ![X0]: (~truth(isa(other,X0))|~sQ3_spl)),
% 0.12/0.37 inference(component_clause,[status(thm)],[f52])).
% 0.12/0.37 fof(f55,definition,(
% 0.12/0.37 ![X2]: (sQ4_spl <=> (~says(asked,X2)))),
% 0.12/0.37 introduced(definition,[new_symbols(definition,[sQ4_spl])],[split_symbol_definition])).
% 0.12/0.37 fof(f56,plain,(
% 0.12/0.37 ![X0]: (~says(asked,X0)|~sQ4_spl)),
% 0.12/0.37 inference(component_clause,[status(thm)],[f55])).
% 0.12/0.37 fof(f58,plain,(
% 0.12/0.37 sQ2_spl|sQ3_spl|sQ4_spl),
% 0.12/0.37 inference(split_clause,[status(thm)],[f41,f49,f52,f55])).
% 0.12/0.37 fof(f59,plain,(
% 0.12/0.37 $false|~sQ4_spl|~sQ0_spl),
% 0.12/0.37 inference(backward_subsumption_resolution,[status(thm)],[f43,f56])).
% 0.12/0.37 fof(f60,plain,(
% 0.12/0.37 ~sQ4_spl|~sQ0_spl),
% 0.12/0.37 inference(contradiction_clause,[status(thm)],[f59])).
% 0.12/0.37 fof(f71,plain,(
% 0.12/0.37 ~person(asked)|truth(isa(asked,knave))|~sQ2_spl),
% 0.12/0.37 inference(resolution,[status(thm)],[f17,f50])).
% 0.12/0.37 fof(f72,definition,(
% 0.12/0.37 sQ7_spl <=> (person(asked))),
% 0.12/0.37 introduced(definition,[new_symbols(definition,[sQ7_spl])],[split_symbol_definition])).
% 0.12/0.37 fof(f74,plain,(
% 0.12/0.37 ~person(asked)|sQ7_spl),
% 0.12/0.37 inference(component_clause,[status(thm)],[f72])).
% 0.12/0.37 fof(f75,definition,(
% 0.12/0.37 sQ8_spl <=> (truth(isa(asked,knave)))),
% 0.12/0.37 introduced(definition,[new_symbols(definition,[sQ8_spl])],[split_symbol_definition])).
% 0.12/0.37 fof(f76,plain,(
% 0.12/0.37 truth(isa(asked,knave))|~sQ8_spl),
% 0.12/0.37 inference(component_clause,[status(thm)],[f75])).
% 0.12/0.37 fof(f78,plain,(
% 0.12/0.37 ~sQ7_spl|sQ8_spl|~sQ2_spl),
% 0.12/0.37 inference(split_clause,[status(thm)],[f71,f72,f75,f49])).
% 0.12/0.37 fof(f79,plain,(
% 0.12/0.37 $false|sQ7_spl),
% 0.12/0.37 inference(forward_subsumption_resolution,[status(thm)],[f74,f38])).
% 0.12/0.37 fof(f80,plain,(
% 0.12/0.37 sQ7_spl),
% 0.12/0.37 inference(contradiction_clause,[status(thm)],[f79])).
% 0.12/0.37 fof(f81,plain,(
% 0.12/0.37 ~person(other)|truth(isa(other,knave))|~sQ3_spl),
% 0.12/0.37 inference(resolution,[status(thm)],[f53,f17])).
% 0.12/0.37 fof(f82,definition,(
% 0.12/0.37 sQ9_spl <=> (person(other))),
% 0.12/0.37 introduced(definition,[new_symbols(definition,[sQ9_spl])],[split_symbol_definition])).
% 0.12/0.37 fof(f84,plain,(
% 0.12/0.37 ~person(other)|sQ9_spl),
% 0.12/0.37 inference(component_clause,[status(thm)],[f82])).
% 0.12/0.37 fof(f85,definition,(
% 0.12/0.37 sQ10_spl <=> (truth(isa(other,knave)))),
% 0.12/0.37 introduced(definition,[new_symbols(definition,[sQ10_spl])],[split_symbol_definition])).
% 0.12/0.37 fof(f86,plain,(
% 0.12/0.37 truth(isa(other,knave))|~sQ10_spl),
% 0.12/0.37 inference(component_clause,[status(thm)],[f85])).
% 0.12/0.37 fof(f88,plain,(
% 0.12/0.37 ~sQ9_spl|sQ10_spl|~sQ3_spl),
% 0.12/0.37 inference(split_clause,[status(thm)],[f81,f82,f85,f52])).
% 0.12/0.37 fof(f89,plain,(
% 0.12/0.37 $false|sQ9_spl),
% 0.12/0.37 inference(forward_subsumption_resolution,[status(thm)],[f84,f39])).
% 0.12/0.37 fof(f90,plain,(
% 0.12/0.37 sQ9_spl),
% 0.12/0.37 inference(contradiction_clause,[status(thm)],[f89])).
% 0.12/0.37 fof(f91,plain,(
% 0.12/0.37 $false|~sQ2_spl|~sQ8_spl),
% 0.12/0.37 inference(backward_subsumption_resolution,[status(thm)],[f76,f50])).
% 0.12/0.37 fof(f92,plain,(
% 0.12/0.37 ~sQ2_spl|~sQ8_spl),
% 0.12/0.37 inference(contradiction_clause,[status(thm)],[f91])).
% 0.12/0.37 fof(f93,plain,(
% 0.12/0.37 $false|~sQ3_spl|~sQ10_spl),
% 0.12/0.37 inference(backward_subsumption_resolution,[status(thm)],[f86,f53])).
% 0.12/0.37 fof(f94,plain,(
% 0.12/0.37 ~sQ3_spl|~sQ10_spl),
% 0.12/0.37 inference(contradiction_clause,[status(thm)],[f93])).
% 0.12/0.37 fof(f95,plain,(
% 0.12/0.37 $false|~sQ4_spl|~sQ1_spl),
% 0.12/0.37 inference(forward_subsumption_resolution,[status(thm)],[f46,f56])).
% 0.12/0.37 fof(f96,plain,(
% 0.12/0.37 ~sQ4_spl|~sQ1_spl),
% 0.12/0.37 inference(contradiction_clause,[status(thm)],[f95])).
% 0.12/0.37 fof(f97,plain,(
% 0.12/0.37 $false),
% 0.12/0.37 inference(sat_refutation,[status(thm)],[f48,f58,f60,f78,f80,f88,f90,f92,f94,f96])).
% 0.12/0.37 % SZS output end CNFRefutation for theBenchmark.p
% 0.12/0.42 % Elapsed time: 0.057941 seconds
% 0.12/0.42 % CPU time: 0.164103 seconds
% 0.12/0.42 % Total memory used: 16.844 MB
% 0.12/0.42 % Net memory used: 16.484 MB
%------------------------------------------------------------------------------