%------------------------------------------------------------------------------
% File : Drodi-SAT---4.1.1
% Problem : PUZ153+1 : TPTP v9.3.1. Released v9.1.0.
% Transfm : none
% Format : tptp:raw
% Command : drodi -satmode(on) -timeout(300) /export/starexec/sandbox/benchmark/theBenchmark.p
% Computer : n006.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 02:01:18 PM UTC 2026
% Result : CounterSatisfiable 0.11s 0.41s
% Output : Saturation 0.11s
% Verified :
% SZS Type : ERROR: Analysing output (MakeTreeStats fails)
% Comments :
%------------------------------------------------------------------------------
fof(f1,axiom,
! [H1,H2] :
( ( human(H2)
& human(H1) )
=> created_equal(H1,H2) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f2,axiom,
human(john),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f3,axiom,
grade_of(john) = f,
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f4,axiom,
? [H] :
( grade_of(H) = a
& human(H) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f5,axiom,
a != f,
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f6,axiom,
! [G] : ~ human(grade_of(G)),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f7,conjecture,
! [H1,H2] :
( ( created_equal(H1,H2)
& human(H2)
& human(H1) )
<=> H1 = H2 ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f8,negated_conjecture,
~ ! [H1,H2] :
( ( created_equal(H1,H2)
& human(H2)
& human(H1) )
<=> H1 = H2 ),
inference(negated_conjecture,[status(cth)],[f7]) ).
fof(f9,plain,
! [H1,H2] :
( created_equal(H1,H2)
| ~ human(H2)
| ~ human(H1) ),
inference(pre_NNF_transformation,[status(thm)],[f1]) ).
fof(f10,plain,
! [X0,X1] :
( created_equal(X0,X1)
| ~ human(X1)
| ~ human(X0) ),
inference(cnf_transformation,[status(thm)],[f9]) ).
fof(f11,plain,
human(john),
inference(cnf_transformation,[status(thm)],[f2]) ).
fof(f12,plain,
grade_of(john) = f,
inference(cnf_transformation,[status(thm)],[f3]) ).
fof(f13,plain,
( grade_of(sK0_skl) = a
& human(sK0_skl) ),
inference(skolemize,[status(esa),new_symbols(skolem,[sK0_skl]),skolemize(H,sK0_skl)],[f4]) ).
fof(f14,plain,
human(sK0_skl),
inference(cnf_transformation,[status(thm)],[f13]) ).
fof(f15,plain,
grade_of(sK0_skl) = a,
inference(cnf_transformation,[status(thm)],[f13]) ).
fof(f16,plain,
a != f,
inference(cnf_transformation,[status(thm)],[f5]) ).
fof(f17,plain,
! [X0] : ~ human(grade_of(X0)),
inference(cnf_transformation,[status(thm)],[f6]) ).
fof(f18,plain,
? [H1,H2] :
( ( created_equal(H1,H2)
& human(H2)
& human(H1) )
<~> H1 = H2 ),
inference(pre_NNF_transformation,[status(thm)],[f8]) ).
fof(f19,plain,
? [H1,H2] :
( ( H1 != H2
| ~ created_equal(H1,H2)
| ~ human(H2)
| ~ human(H1) )
& ( H1 = H2
| ( created_equal(H1,H2)
& human(H2)
& human(H1) ) ) ),
inference(NNF_transformation,[status(thm)],[f18]) ).
fof(f20,plain,
( ( sK1_skl != sK2_skl
| ~ created_equal(sK1_skl,sK2_skl)
| ~ human(sK2_skl)
| ~ human(sK1_skl) )
& ( sK1_skl = sK2_skl
| ( created_equal(sK1_skl,sK2_skl)
& human(sK2_skl)
& human(sK1_skl) ) ) ),
inference(skolemize,[status(esa),new_symbols(skolem,[sK1_skl,sK2_skl]),skolemize(H1,sK1_skl),skolemize(H2,sK2_skl)],[f19]) ).
fof(f21,plain,
( sK1_skl = sK2_skl
| human(sK1_skl) ),
inference(cnf_transformation,[status(thm)],[f20]) ).
fof(f22,plain,
( sK1_skl = sK2_skl
| human(sK2_skl) ),
inference(cnf_transformation,[status(thm)],[f20]) ).
fof(f23,plain,
( sK1_skl = sK2_skl
| created_equal(sK1_skl,sK2_skl) ),
inference(cnf_transformation,[status(thm)],[f20]) ).
fof(f24,plain,
( sK1_skl != sK2_skl
| ~ created_equal(sK1_skl,sK2_skl)
| ~ human(sK2_skl)
| ~ human(sK1_skl) ),
inference(cnf_transformation,[status(thm)],[f20]) ).
fof(f25,definition,
( sQ0_spl
<=> human(sK1_skl) ),
introduced(definition,[new_symbols(definition,[sQ0_spl])],[split_symbol_definition]) ).
fof(f27,plain,
( sQ0_spl
| ~ human(sK1_skl) ),
inference(component_clause,[status(thm)],[f25]) ).
fof(f28,definition,
( sQ1_spl
<=> sK1_skl = sK2_skl ),
introduced(definition,[new_symbols(definition,[sQ1_spl])],[split_symbol_definition]) ).
fof(f29,plain,
( ~ sQ1_spl
| sK1_skl = sK2_skl ),
inference(component_clause,[status(thm)],[f28]) ).
fof(f31,plain,
( sQ1_spl
| sQ0_spl ),
inference(split_clause,[status(thm)],[f21,f25,f28]) ).
fof(f32,definition,
( sQ2_spl
<=> human(sK2_skl) ),
introduced(definition,[new_symbols(definition,[sQ2_spl])],[split_symbol_definition]) ).
fof(f35,plain,
( sQ1_spl
| sQ2_spl ),
inference(split_clause,[status(thm)],[f22,f32,f28]) ).
fof(f36,definition,
( sQ3_spl
<=> created_equal(sK1_skl,sK2_skl) ),
introduced(definition,[new_symbols(definition,[sQ3_spl])],[split_symbol_definition]) ).
fof(f37,plain,
( ~ sQ3_spl
| created_equal(sK1_skl,sK2_skl) ),
inference(component_clause,[status(thm)],[f36]) ).
fof(f39,plain,
( sQ1_spl
| sQ3_spl ),
inference(split_clause,[status(thm)],[f23,f36,f28]) ).
fof(f40,plain,
( ~ sQ1_spl
| ~ sQ3_spl
| ~ sQ2_spl
| ~ sQ0_spl ),
inference(split_clause,[status(thm)],[f24,f25,f32,f36,f28]) ).
fof(f41,plain,
( sQ0_spl
| ~ sQ1_spl
| ~ human(sK2_skl) ),
inference(forward_demodulation,[status(thm)],[f29,f27]) ).
fof(f42,plain,
( ~ sQ3_spl
| ~ sQ1_spl
| created_equal(sK2_skl,sK2_skl) ),
inference(forward_demodulation,[status(thm)],[f29,f37]) ).
fof(f43,plain,
! [X0] :
( created_equal(john,X0)
| ~ human(X0) ),
inference(resolution,[status(thm)],[f11,f10]) ).
fof(f44,plain,
created_equal(john,john),
inference(resolution,[status(thm)],[f43,f11]) ).
fof(f45,plain,
created_equal(john,sK0_skl),
inference(resolution,[status(thm)],[f14,f43]) ).
fof(f46,plain,
! [X0] :
( created_equal(sK0_skl,X0)
| ~ human(X0) ),
inference(resolution,[status(thm)],[f14,f10]) ).
fof(f47,plain,
created_equal(sK0_skl,sK0_skl),
inference(resolution,[status(thm)],[f46,f14]) ).
fof(f48,plain,
created_equal(sK0_skl,john),
inference(resolution,[status(thm)],[f46,f11]) ).
fof(f49,plain,
~ human(f),
inference(paramodulation,[status(thm)],[f12,f17]) ).
fof(f50,plain,
~ human(a),
inference(paramodulation,[status(thm)],[f15,f17]) ).
fof(model,axiom,
( ~ sQ0_spl
| sQ1_spl
| sQ3_spl ) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : PUZ153+1 : TPTP v9.3.1. Released v9.1.0.
% 0.00/0.04 % Command : drodi -satmode(on) -timeout(300) /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.11/0.37 % Computer : n006.cluster.edu
% 0.11/0.37 % Model : x86_64 x86_64
% 0.11/0.37 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.37 % Memory : 8046.5625MB
% 0.11/0.37 % OS : Linux 6.8.0-71-generic
% 0.11/0.37 % CPULimit : 300
% 0.11/0.37 % WCLimit : 300
% 0.11/0.37 % DateTime : Mon Sep 21 03:53:57 UTC 2026
% 0.11/0.38 % CPUTime :
% 0.11/0.39 % Drodi V4.1.1
% 0.11/0.41 % SZS status CounterSatisfiable for theBenchmark: Theorem is counter-satisfiable, conjecture is false
% 0.11/0.41 % SZS output start Saturation for theBenchmark
% See solution above
% 0.11/0.45 % Elapsed time: 0.060148 seconds
% 0.11/0.45 % CPU time: 0.167017 seconds
% 0.11/0.45 % Total memory used: 101.194 MB
% 0.11/0.45 % Net memory used: 100.723 MB
%------------------------------------------------------------------------------