TSTP Solution File: SEU308+2 by SPASS---3.9
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%------------------------------------------------------------------------------
% File : SPASS---3.9
% Problem : SEU308+2 : TPTP v8.1.0. Released v3.3.0.
% Transfm : none
% Format : tptp
% Command : run_spass %d %s
% Computer : n026.cluster.edu
% Model : x86_64 x86_64
% CPU : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory : 8042.1875MB
% OS : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit : 600s
% DateTime : Tue Jul 19 14:36:07 EDT 2022
% Result : Theorem 114.60s 114.83s
% Output : Refutation 114.60s
% Verified :
% SZS Type : Refutation
% Derivation depth : 6
% Number of leaves : 8
% Syntax : Number of clauses : 15 ( 9 unt; 0 nHn; 15 RR)
% Number of literals : 24 ( 0 equ; 14 neg)
% Maximal clause size : 3 ( 1 avg)
% Maximal term depth : 3 ( 2 avg)
% Number of predicates : 4 ( 3 usr; 1 prp; 0-2 aty)
% Number of functors : 12 ( 12 usr; 5 con; 0-3 aty)
% Number of variables : 0 ( 0 sgn)
% Comments :
%------------------------------------------------------------------------------
cnf(1,axiom,
one_sorted_str(skc30),
file('SEU308+2.p',unknown),
[] ).
cnf(130,axiom,
equal(cast_to_subset(u),u),
file('SEU308+2.p',unknown),
[] ).
cnf(153,axiom,
element(skc31,powerset(the_carrier(skc30))),
file('SEU308+2.p',unknown),
[] ).
cnf(180,axiom,
element(cast_to_subset(u),powerset(u)),
file('SEU308+2.p',unknown),
[] ).
cnf(405,axiom,
( ~ one_sorted_str(u)
| equal(cast_as_carrier_subset(u),the_carrier(u)) ),
file('SEU308+2.p',unknown),
[] ).
cnf(656,axiom,
~ equal(subset_difference(the_carrier(skc30),cast_as_carrier_subset(skc30),skc31),subset_complement(the_carrier(skc30),skc31)),
file('SEU308+2.p',unknown),
[] ).
cnf(667,axiom,
( ~ element(u,powerset(v))
| equal(set_difference(v,u),subset_complement(v,u)) ),
file('SEU308+2.p',unknown),
[] ).
cnf(911,axiom,
( ~ element(u,powerset(v))
| ~ element(w,powerset(v))
| equal(subset_difference(v,w,u),set_difference(w,u)) ),
file('SEU308+2.p',unknown),
[] ).
cnf(1198,plain,
element(u,powerset(u)),
inference(rew,[status(thm),theory(equality)],[130,180]),
[iquote('0:Rew:130.0,180.0')] ).
cnf(1325,plain,
equal(cast_as_carrier_subset(skc30),the_carrier(skc30)),
inference(res,[status(thm),theory(equality)],[1,405]),
[iquote('0:Res:1.0,405.0')] ).
cnf(1457,plain,
~ equal(subset_difference(the_carrier(skc30),the_carrier(skc30),skc31),subset_complement(the_carrier(skc30),skc31)),
inference(rew,[status(thm),theory(equality)],[1325,656]),
[iquote('0:Rew:1325.0,656.0')] ).
cnf(29118,plain,
( ~ element(skc31,powerset(the_carrier(skc30)))
| ~ element(the_carrier(skc30),powerset(the_carrier(skc30)))
| ~ equal(set_difference(the_carrier(skc30),skc31),subset_complement(the_carrier(skc30),skc31)) ),
inference(spl,[status(thm),theory(equality)],[911,1457]),
[iquote('0:SpL:911.2,1457.0')] ).
cnf(29120,plain,
( ~ element(skc31,powerset(the_carrier(skc30)))
| ~ element(the_carrier(skc30),powerset(the_carrier(skc30)))
| ~ equal(subset_complement(the_carrier(skc30),skc31),subset_complement(the_carrier(skc30),skc31)) ),
inference(rew,[status(thm),theory(equality)],[667,29118]),
[iquote('0:Rew:667.1,29118.2')] ).
cnf(29121,plain,
( ~ element(skc31,powerset(the_carrier(skc30)))
| ~ element(the_carrier(skc30),powerset(the_carrier(skc30))) ),
inference(obv,[status(thm),theory(equality)],[29120]),
[iquote('0:Obv:29120.2')] ).
cnf(29122,plain,
$false,
inference(mrr,[status(thm)],[29121,153,1198]),
[iquote('0:MRR:29121.0,29121.1,153.0,1198.0')] ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.13 % Problem : SEU308+2 : TPTP v8.1.0. Released v3.3.0.
% 0.07/0.13 % Command : run_spass %d %s
% 0.13/0.35 % Computer : n026.cluster.edu
% 0.13/0.35 % Model : x86_64 x86_64
% 0.13/0.35 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.35 % Memory : 8042.1875MB
% 0.13/0.35 % OS : Linux 3.10.0-693.el7.x86_64
% 0.13/0.35 % CPULimit : 300
% 0.13/0.35 % WCLimit : 600
% 0.13/0.35 % DateTime : Sun Jun 19 18:33:40 EDT 2022
% 0.13/0.35 % CPUTime :
% 114.60/114.83
% 114.60/114.83 SPASS V 3.9
% 114.60/114.83 SPASS beiseite: Proof found.
% 114.60/114.83 % SZS status Theorem
% 114.60/114.83 Problem: /export/starexec/sandbox/benchmark/theBenchmark.p
% 114.60/114.83 SPASS derived 22455 clauses, backtracked 1558 clauses, performed 61 splits and kept 13985 clauses.
% 114.60/114.83 SPASS allocated 159962 KBytes.
% 114.60/114.83 SPASS spent 0:1:53.74 on the problem.
% 114.60/114.83 0:00:00.04 for the input.
% 114.60/114.83 0:1:29.51 for the FLOTTER CNF translation.
% 114.60/114.83 0:00:00.44 for inferences.
% 114.60/114.83 0:00:00.12 for the backtracking.
% 114.60/114.83 0:0:22.74 for the reduction.
% 114.60/114.83
% 114.60/114.83
% 114.60/114.83 Here is a proof with depth 1, length 15 :
% 114.60/114.83 % SZS output start Refutation
% See solution above
% 114.60/114.83 Formulae used in the proof : t17_pre_topc d4_subset_1 dt_k2_subset_1 t12_pre_topc d5_subset_1 redefinition_k6_subset_1
% 114.60/114.83
%------------------------------------------------------------------------------