TSTP Solution File: SEU140+1 by SPASS---3.9
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%------------------------------------------------------------------------------
% File : SPASS---3.9
% Problem : SEU140+1 : TPTP v8.1.0. Released v3.3.0.
% Transfm : none
% Format : tptp
% Command : run_spass %d %s
% Computer : n003.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 14:34:16 EDT 2022
% Result : Theorem 0.19s 0.42s
% Output : Refutation 0.19s
% Verified :
% SZS Type : Refutation
% Derivation depth : 5
% Number of leaves : 8
% Syntax : Number of clauses : 16 ( 12 unt; 0 nHn; 16 RR)
% Number of literals : 20 ( 0 equ; 7 neg)
% Maximal clause size : 2 ( 1 avg)
% Maximal term depth : 2 ( 1 avg)
% Number of predicates : 4 ( 3 usr; 1 prp; 0-2 aty)
% Number of functors : 8 ( 8 usr; 7 con; 0-2 aty)
% Number of variables : 0 ( 0 sgn)
% Comments :
%------------------------------------------------------------------------------
cnf(3,axiom,
subset(skc7,skc5),
file('SEU140+1.p',unknown),
[] ).
cnf(4,axiom,
disjoint(skc5,skc6),
file('SEU140+1.p',unknown),
[] ).
cnf(7,axiom,
~ disjoint(skc7,skc6),
file('SEU140+1.p',unknown),
[] ).
cnf(11,axiom,
equal(set_intersection2(u,v),set_intersection2(v,u)),
file('SEU140+1.p',unknown),
[] ).
cnf(13,axiom,
( ~ subset(u,empty_set)
| equal(u,empty_set) ),
file('SEU140+1.p',unknown),
[] ).
cnf(16,axiom,
( ~ disjoint(u,v)
| equal(set_intersection2(u,v),empty_set) ),
file('SEU140+1.p',unknown),
[] ).
cnf(17,axiom,
( ~ equal(set_intersection2(u,v),empty_set)
| disjoint(u,v) ),
file('SEU140+1.p',unknown),
[] ).
cnf(19,axiom,
( ~ subset(u,v)
| subset(set_intersection2(u,w),set_intersection2(v,w)) ),
file('SEU140+1.p',unknown),
[] ).
cnf(20,plain,
equal(set_intersection2(skc5,skc6),empty_set),
inference(res,[status(thm),theory(equality)],[4,16]),
[iquote('0:Res:4.0,16.0')] ).
cnf(22,plain,
subset(set_intersection2(skc7,u),set_intersection2(skc5,u)),
inference(res,[status(thm),theory(equality)],[3,19]),
[iquote('0:Res:3.0,19.0')] ).
cnf(23,plain,
~ equal(set_intersection2(skc7,skc6),empty_set),
inference(res,[status(thm),theory(equality)],[17,7]),
[iquote('0:Res:17.1,7.0')] ).
cnf(25,plain,
~ equal(set_intersection2(skc6,skc7),empty_set),
inference(rew,[status(thm),theory(equality)],[11,23]),
[iquote('0:Rew:11.0,23.0')] ).
cnf(37,plain,
subset(set_intersection2(skc7,skc6),empty_set),
inference(spr,[status(thm),theory(equality)],[20,22]),
[iquote('0:SpR:20.0,22.0')] ).
cnf(42,plain,
subset(set_intersection2(skc6,skc7),empty_set),
inference(rew,[status(thm),theory(equality)],[11,37]),
[iquote('0:Rew:11.0,37.0')] ).
cnf(44,plain,
equal(set_intersection2(skc6,skc7),empty_set),
inference(res,[status(thm),theory(equality)],[42,13]),
[iquote('0:Res:42.0,13.0')] ).
cnf(45,plain,
$false,
inference(mrr,[status(thm)],[44,25]),
[iquote('0:MRR:44.0,25.0')] ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.11 % Problem : SEU140+1 : TPTP v8.1.0. Released v3.3.0.
% 0.07/0.12 % Command : run_spass %d %s
% 0.12/0.33 % Computer : n003.cluster.edu
% 0.12/0.33 % Model : x86_64 x86_64
% 0.12/0.33 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.33 % Memory : 8042.1875MB
% 0.12/0.33 % OS : Linux 3.10.0-693.el7.x86_64
% 0.12/0.33 % CPULimit : 300
% 0.12/0.33 % WCLimit : 600
% 0.12/0.33 % DateTime : Sun Jun 19 05:01:43 EDT 2022
% 0.12/0.33 % CPUTime :
% 0.19/0.42
% 0.19/0.42 SPASS V 3.9
% 0.19/0.42 SPASS beiseite: Proof found.
% 0.19/0.42 % SZS status Theorem
% 0.19/0.42 Problem: /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.19/0.42 SPASS derived 20 clauses, backtracked 0 clauses, performed 0 splits and kept 29 clauses.
% 0.19/0.42 SPASS allocated 97624 KBytes.
% 0.19/0.42 SPASS spent 0:00:00.08 on the problem.
% 0.19/0.42 0:00:00.03 for the input.
% 0.19/0.42 0:00:00.02 for the FLOTTER CNF translation.
% 0.19/0.42 0:00:00.00 for inferences.
% 0.19/0.42 0:00:00.00 for the backtracking.
% 0.19/0.42 0:00:00.00 for the reduction.
% 0.19/0.42
% 0.19/0.42
% 0.19/0.42 Here is a proof with depth 3, length 16 :
% 0.19/0.42 % SZS output start Refutation
% See solution above
% 0.19/0.42 Formulae used in the proof : t63_xboole_1 commutativity_k3_xboole_0 t3_xboole_1 d7_xboole_0 t26_xboole_1
% 0.19/0.42
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