%------------------------------------------------------------------------------
% File : Drodi-SAT---4.1.1
% Problem : PUZ004-1 : TPTP v9.3.1. Released v1.0.0.
% Transfm : none
% Format : tptp:raw
% Command : drodi -satmode(on) -timeout(300) /export/starexec/sandbox/benchmark/theBenchmark.p
% 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 : Thu Sep 24 02:00:13 PM UTC 2026
% Result : Unsatisfiable 0.10s 0.38s
% Output : Assurance 0s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----No solution output by system
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : PUZ004-1 : TPTP v9.3.1. Released v1.0.0.
% 0.00/0.04 % Command : drodi -satmode(on) -timeout(300) /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.10/0.36 % Computer : n014.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 03:44:50 UTC 2026
% 0.10/0.37 % CPUTime :
% 0.10/0.37 % Drodi V4.1.1
% 0.10/0.38 % Refutation found
% 0.10/0.38 % SZS status Unsatisfiable for theBenchmark: Theory is unsatisfiable
% 0.10/0.38 % SZS output start CNFRefutation for theBenchmark
% 0.10/0.38 fof(f1,axiom,(
% 0.10/0.38 ( ~ dated| on_blue_paper ) ),
% 0.10/0.38 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.10/0.38 fof(f3,axiom,(
% 0.10/0.38 ( in_third_person| ~ in_black_ink ) ),
% 0.10/0.38 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.10/0.38 fof(f4,axiom,(
% 0.10/0.38 ( ~ can_be_read| ~ filed ) ),
% 0.10/0.38 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.10/0.38 fof(f5,axiom,(
% 0.10/0.38 ( ~ on_one_sheet| dated ) ),
% 0.10/0.38 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.10/0.38 fof(f6,axiom,(
% 0.10/0.38 ( crossed| in_black_ink ) ),
% 0.10/0.38 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.10/0.38 fof(f7,axiom,(
% 0.10/0.38 ( ~ by_brown| begins_with_dear_sir ) ),
% 0.10/0.38 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.10/0.38 fof(f8,axiom,(
% 0.10/0.38 ( ~ on_blue_paper| filed ) ),
% 0.10/0.38 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.10/0.38 fof(f9,axiom,(
% 0.10/0.38 ( on_one_sheet| ~ crossed ) ),
% 0.10/0.38 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.10/0.38 fof(f10,axiom,(
% 0.10/0.38 ( ~ begins_with_dear_sir| ~ in_third_person ) ),
% 0.10/0.38 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.10/0.38 fof(f11,hypothesis,(
% 0.10/0.38 by_brown ),
% 0.10/0.38 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.10/0.38 fof(f12,negated_conjecture,(
% 0.10/0.38 can_be_read ),
% 0.10/0.38 file('/export/starexec/sandbox/benchmark/theBenchmark.p')).
% 0.10/0.38 fof(f13,plain,(
% 0.10/0.38 ~dated|on_blue_paper),
% 0.10/0.38 inference(cnf_transformation,[status(thm)],[f1])).
% 0.10/0.38 fof(f15,plain,(
% 0.10/0.38 in_third_person|~in_black_ink),
% 0.10/0.38 inference(cnf_transformation,[status(thm)],[f3])).
% 0.10/0.38 fof(f16,plain,(
% 0.10/0.38 ~can_be_read|~filed),
% 0.10/0.38 inference(cnf_transformation,[status(thm)],[f4])).
% 0.10/0.38 fof(f17,plain,(
% 0.10/0.38 ~on_one_sheet|dated),
% 0.10/0.38 inference(cnf_transformation,[status(thm)],[f5])).
% 0.10/0.38 fof(f18,plain,(
% 0.10/0.38 crossed|in_black_ink),
% 0.10/0.38 inference(cnf_transformation,[status(thm)],[f6])).
% 0.10/0.38 fof(f19,plain,(
% 0.10/0.38 ~by_brown|begins_with_dear_sir),
% 0.10/0.38 inference(cnf_transformation,[status(thm)],[f7])).
% 0.10/0.38 fof(f20,plain,(
% 0.10/0.38 ~on_blue_paper|filed),
% 0.10/0.38 inference(cnf_transformation,[status(thm)],[f8])).
% 0.10/0.38 fof(f21,plain,(
% 0.10/0.38 on_one_sheet|~crossed),
% 0.10/0.38 inference(cnf_transformation,[status(thm)],[f9])).
% 0.10/0.38 fof(f22,plain,(
% 0.10/0.38 ~begins_with_dear_sir|~in_third_person),
% 0.10/0.38 inference(cnf_transformation,[status(thm)],[f10])).
% 0.10/0.38 fof(f23,plain,(
% 0.10/0.38 by_brown),
% 0.10/0.38 inference(cnf_transformation,[status(thm)],[f11])).
% 0.10/0.38 fof(f24,plain,(
% 0.10/0.38 can_be_read),
% 0.10/0.38 inference(cnf_transformation,[status(thm)],[f12])).
% 0.10/0.38 fof(f25,definition,(
% 0.10/0.38 sQ0_spl <=> (dated)),
% 0.10/0.38 introduced(definition,[new_symbols(definition,[sQ0_spl])],[split_symbol_definition])).
% 0.10/0.38 fof(f28,definition,(
% 0.10/0.38 sQ1_spl <=> (on_blue_paper)),
% 0.10/0.38 introduced(definition,[new_symbols(definition,[sQ1_spl])],[split_symbol_definition])).
% 0.10/0.38 fof(f31,plain,(
% 0.10/0.38 ~sQ0_spl|sQ1_spl),
% 0.10/0.38 inference(split_clause,[status(thm)],[f13,f25,f28])).
% 0.10/0.38 fof(f32,definition,(
% 0.10/0.38 sQ2_spl <=> (in_third_person)),
% 0.10/0.38 introduced(definition,[new_symbols(definition,[sQ2_spl])],[split_symbol_definition])).
% 0.10/0.38 fof(f35,definition,(
% 0.10/0.38 sQ3_spl <=> (in_black_ink)),
% 0.10/0.38 introduced(definition,[new_symbols(definition,[sQ3_spl])],[split_symbol_definition])).
% 0.10/0.38 fof(f39,plain,(
% 0.10/0.38 sQ2_spl|~sQ3_spl),
% 0.10/0.38 inference(split_clause,[status(thm)],[f15,f32,f35])).
% 0.10/0.38 fof(f40,definition,(
% 0.10/0.38 sQ4_spl <=> (can_be_read)),
% 0.10/0.38 introduced(definition,[new_symbols(definition,[sQ4_spl])],[split_symbol_definition])).
% 0.10/0.38 fof(f42,plain,(
% 0.10/0.38 ~can_be_read|sQ4_spl),
% 0.10/0.38 inference(component_clause,[status(thm)],[f40])).
% 0.10/0.38 fof(f43,definition,(
% 0.10/0.38 sQ5_spl <=> (filed)),
% 0.10/0.38 introduced(definition,[new_symbols(definition,[sQ5_spl])],[split_symbol_definition])).
% 0.10/0.38 fof(f46,plain,(
% 0.10/0.38 ~sQ4_spl|~sQ5_spl),
% 0.10/0.38 inference(split_clause,[status(thm)],[f16,f40,f43])).
% 0.10/0.38 fof(f47,definition,(
% 0.10/0.38 sQ6_spl <=> (on_one_sheet)),
% 0.10/0.38 introduced(definition,[new_symbols(definition,[sQ6_spl])],[split_symbol_definition])).
% 0.10/0.38 fof(f50,plain,(
% 0.10/0.38 ~sQ6_spl|sQ0_spl),
% 0.10/0.38 inference(split_clause,[status(thm)],[f17,f47,f25])).
% 0.10/0.38 fof(f51,definition,(
% 0.10/0.38 sQ7_spl <=> (crossed)),
% 0.10/0.38 introduced(definition,[new_symbols(definition,[sQ7_spl])],[split_symbol_definition])).
% 0.10/0.38 fof(f54,plain,(
% 0.10/0.38 sQ7_spl|sQ3_spl),
% 0.10/0.38 inference(split_clause,[status(thm)],[f18,f51,f35])).
% 0.10/0.38 fof(f55,definition,(
% 0.10/0.38 sQ8_spl <=> (by_brown)),
% 0.10/0.38 introduced(definition,[new_symbols(definition,[sQ8_spl])],[split_symbol_definition])).
% 0.10/0.38 fof(f57,plain,(
% 0.10/0.38 ~by_brown|sQ8_spl),
% 0.10/0.38 inference(component_clause,[status(thm)],[f55])).
% 0.10/0.38 fof(f58,definition,(
% 0.10/0.38 sQ9_spl <=> (begins_with_dear_sir)),
% 0.10/0.38 introduced(definition,[new_symbols(definition,[sQ9_spl])],[split_symbol_definition])).
% 0.10/0.38 fof(f61,plain,(
% 0.10/0.38 ~sQ8_spl|sQ9_spl),
% 0.10/0.38 inference(split_clause,[status(thm)],[f19,f55,f58])).
% 0.10/0.38 fof(f62,plain,(
% 0.10/0.38 ~sQ1_spl|sQ5_spl),
% 0.10/0.38 inference(split_clause,[status(thm)],[f20,f28,f43])).
% 0.10/0.38 fof(f63,plain,(
% 0.10/0.38 sQ6_spl|~sQ7_spl),
% 0.10/0.38 inference(split_clause,[status(thm)],[f21,f47,f51])).
% 0.10/0.38 fof(f64,plain,(
% 0.10/0.38 ~sQ9_spl|~sQ2_spl),
% 0.10/0.38 inference(split_clause,[status(thm)],[f22,f58,f32])).
% 0.10/0.38 fof(f65,plain,(
% 0.10/0.38 $false|sQ4_spl),
% 0.10/0.38 inference(forward_subsumption_resolution,[status(thm)],[f42,f24])).
% 0.10/0.38 fof(f66,plain,(
% 0.10/0.38 sQ4_spl),
% 0.10/0.38 inference(contradiction_clause,[status(thm)],[f65])).
% 0.10/0.38 fof(f67,plain,(
% 0.10/0.38 $false|sQ8_spl),
% 0.10/0.38 inference(forward_subsumption_resolution,[status(thm)],[f57,f23])).
% 0.10/0.38 fof(f68,plain,(
% 0.10/0.38 sQ8_spl),
% 0.10/0.38 inference(contradiction_clause,[status(thm)],[f67])).
% 0.10/0.38 fof(f69,plain,(
% 0.10/0.38 $false),
% 0.10/0.38 inference(sat_refutation,[status(thm)],[f31,f39,f46,f50,f54,f61,f62,f63,f64,f66,f68])).
% 0.10/0.38 % SZS output end CNFRefutation for theBenchmark.p
% 0.13/0.41 % Elapsed time: 0.035900 seconds
% 0.13/0.41 % CPU time: 0.040063 seconds
% 0.13/0.41 % Total memory used: 1.035 MB
% 0.13/0.41 % Net memory used: 1.012 MB
%------------------------------------------------------------------------------