TSTP Solution File: SET924+1 by ePrincess---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : ePrincess---1.0
% Problem  : SET924+1 : TPTP v8.1.0. Released v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : ePrincess-casc -timeout=%d %s

% Computer : n014.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 00:23:12 EDT 2022

% Result   : Theorem 1.77s 1.12s
% Output   : Proof 2.38s
% Verified : 
% SZS Type : -

% Comments : 
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%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : SET924+1 : TPTP v8.1.0. Released v3.2.0.
% 0.07/0.13  % Command  : ePrincess-casc -timeout=%d %s
% 0.12/0.34  % Computer : n014.cluster.edu
% 0.12/0.34  % Model    : x86_64 x86_64
% 0.12/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.34  % Memory   : 8042.1875MB
% 0.12/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.34  % CPULimit : 300
% 0.12/0.34  % WCLimit  : 600
% 0.12/0.34  % DateTime : Sun Jul 10 15:34:20 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 0.51/0.59          ____       _                          
% 0.51/0.59    ___  / __ \_____(_)___  ________  __________
% 0.51/0.59   / _ \/ /_/ / ___/ / __ \/ ___/ _ \/ ___/ ___/
% 0.51/0.59  /  __/ ____/ /  / / / / / /__/  __(__  |__  ) 
% 0.51/0.59  \___/_/   /_/  /_/_/ /_/\___/\___/____/____/  
% 0.51/0.59  
% 0.51/0.59  A Theorem Prover for First-Order Logic
% 0.51/0.59  (ePrincess v.1.0)
% 0.51/0.59  
% 0.51/0.59  (c) Philipp Rümmer, 2009-2015
% 0.51/0.59  (c) Peter Backeman, 2014-2015
% 0.51/0.59  (contributions by Angelo Brillout, Peter Baumgartner)
% 0.51/0.59  Free software under GNU Lesser General Public License (LGPL).
% 0.51/0.59  Bug reports to peter@backeman.se
% 0.51/0.59  
% 0.51/0.59  For more information, visit http://user.uu.se/~petba168/breu/
% 0.51/0.59  
% 0.51/0.59  Loading /export/starexec/sandbox2/benchmark/theBenchmark.p ...
% 0.75/0.64  Prover 0: Options:  -triggersInConjecture -genTotalityAxioms -tightFunctionScopes -clausifier=simple -reverseFunctionalityPropagation +boolFunsAsPreds -triggerStrategy=allMaximal -resolutionMethod=nonUnifying +ignoreQuantifiers -generateTriggers=all
% 1.24/0.91  Prover 0: Preprocessing ...
% 1.53/1.02  Prover 0: Constructing countermodel ...
% 1.77/1.12  Prover 0: proved (478ms)
% 1.77/1.12  
% 1.77/1.12  No countermodel exists, formula is valid
% 1.77/1.12  % SZS status Theorem for theBenchmark
% 1.77/1.12  
% 1.77/1.12  Generating proof ... found it (size 14)
% 2.32/1.26  
% 2.32/1.26  % SZS output start Proof for theBenchmark
% 2.32/1.26  Assumed formulas after preprocessing and simplification: 
% 2.32/1.26  | (0)  ? [v0] :  ? [v1] :  ? [v2] :  ? [v3] :  ? [v4] :  ? [v5] : (singleton(v0) = v2 & set_difference(v2, v1) = v3 & empty(v5) &  ~ empty(v4) &  ! [v6] :  ! [v7] :  ! [v8] :  ! [v9] : (v9 = v8 |  ~ (singleton(v6) = v8) |  ~ (set_difference(v8, v7) = v9) | in(v6, v7)) &  ! [v6] :  ! [v7] :  ! [v8] :  ! [v9] : (v7 = v6 |  ~ (set_difference(v9, v8) = v7) |  ~ (set_difference(v9, v8) = v6)) &  ! [v6] :  ! [v7] :  ! [v8] : (v7 = v6 |  ~ (singleton(v8) = v7) |  ~ (singleton(v8) = v6)) &  ! [v6] :  ! [v7] :  ! [v8] : ( ~ (singleton(v6) = v8) |  ~ (set_difference(v8, v7) = v8) |  ~ in(v6, v7)) &  ! [v6] :  ! [v7] : ( ~ in(v7, v6) |  ~ in(v6, v7)) & ((v3 = v2 & in(v0, v1)) | ( ~ (v3 = v2) &  ~ in(v0, v1))))
% 2.38/1.30  | Instantiating (0) with all_0_0_0, all_0_1_1, all_0_2_2, all_0_3_3, all_0_4_4, all_0_5_5 yields:
% 2.38/1.30  | (1) singleton(all_0_5_5) = all_0_3_3 & set_difference(all_0_3_3, all_0_4_4) = all_0_2_2 & empty(all_0_0_0) &  ~ empty(all_0_1_1) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v3 = v2 |  ~ (singleton(v0) = v2) |  ~ (set_difference(v2, v1) = v3) | in(v0, v1)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v1 = v0 |  ~ (set_difference(v3, v2) = v1) |  ~ (set_difference(v3, v2) = v0)) &  ! [v0] :  ! [v1] :  ! [v2] : (v1 = v0 |  ~ (singleton(v2) = v1) |  ~ (singleton(v2) = v0)) &  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (singleton(v0) = v2) |  ~ (set_difference(v2, v1) = v2) |  ~ in(v0, v1)) &  ! [v0] :  ! [v1] : ( ~ in(v1, v0) |  ~ in(v0, v1)) & ((all_0_2_2 = all_0_3_3 & in(all_0_5_5, all_0_4_4)) | ( ~ (all_0_2_2 = all_0_3_3) &  ~ in(all_0_5_5, all_0_4_4)))
% 2.38/1.30  |
% 2.38/1.30  | Applying alpha-rule on (1) yields:
% 2.38/1.30  | (2)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v3 = v2 |  ~ (singleton(v0) = v2) |  ~ (set_difference(v2, v1) = v3) | in(v0, v1))
% 2.38/1.31  | (3) singleton(all_0_5_5) = all_0_3_3
% 2.38/1.31  | (4)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v1 = v0 |  ~ (set_difference(v3, v2) = v1) |  ~ (set_difference(v3, v2) = v0))
% 2.38/1.31  | (5) (all_0_2_2 = all_0_3_3 & in(all_0_5_5, all_0_4_4)) | ( ~ (all_0_2_2 = all_0_3_3) &  ~ in(all_0_5_5, all_0_4_4))
% 2.38/1.31  | (6)  ! [v0] :  ! [v1] :  ! [v2] : (v1 = v0 |  ~ (singleton(v2) = v1) |  ~ (singleton(v2) = v0))
% 2.38/1.31  | (7)  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (singleton(v0) = v2) |  ~ (set_difference(v2, v1) = v2) |  ~ in(v0, v1))
% 2.38/1.31  | (8)  ! [v0] :  ! [v1] : ( ~ in(v1, v0) |  ~ in(v0, v1))
% 2.38/1.31  | (9)  ~ empty(all_0_1_1)
% 2.38/1.31  | (10) empty(all_0_0_0)
% 2.38/1.31  | (11) set_difference(all_0_3_3, all_0_4_4) = all_0_2_2
% 2.38/1.31  |
% 2.38/1.31  | Instantiating formula (2) with all_0_2_2, all_0_3_3, all_0_4_4, all_0_5_5 and discharging atoms singleton(all_0_5_5) = all_0_3_3, set_difference(all_0_3_3, all_0_4_4) = all_0_2_2, yields:
% 2.38/1.31  | (12) all_0_2_2 = all_0_3_3 | in(all_0_5_5, all_0_4_4)
% 2.38/1.31  |
% 2.38/1.31  +-Applying beta-rule and splitting (5), into two cases.
% 2.38/1.31  |-Branch one:
% 2.38/1.31  | (13) all_0_2_2 = all_0_3_3 & in(all_0_5_5, all_0_4_4)
% 2.38/1.31  |
% 2.38/1.31  	| Applying alpha-rule on (13) yields:
% 2.38/1.31  	| (14) all_0_2_2 = all_0_3_3
% 2.38/1.31  	| (15) in(all_0_5_5, all_0_4_4)
% 2.38/1.31  	|
% 2.38/1.31  	| From (14) and (11) follows:
% 2.38/1.31  	| (16) set_difference(all_0_3_3, all_0_4_4) = all_0_3_3
% 2.38/1.31  	|
% 2.38/1.31  	| Instantiating formula (7) with all_0_3_3, all_0_4_4, all_0_5_5 and discharging atoms singleton(all_0_5_5) = all_0_3_3, set_difference(all_0_3_3, all_0_4_4) = all_0_3_3, in(all_0_5_5, all_0_4_4), yields:
% 2.38/1.31  	| (17) $false
% 2.38/1.31  	|
% 2.38/1.31  	|-The branch is then unsatisfiable
% 2.38/1.31  |-Branch two:
% 2.38/1.31  | (18)  ~ (all_0_2_2 = all_0_3_3) &  ~ in(all_0_5_5, all_0_4_4)
% 2.38/1.31  |
% 2.38/1.31  	| Applying alpha-rule on (18) yields:
% 2.38/1.31  	| (19)  ~ (all_0_2_2 = all_0_3_3)
% 2.38/1.31  	| (20)  ~ in(all_0_5_5, all_0_4_4)
% 2.38/1.31  	|
% 2.38/1.32  	+-Applying beta-rule and splitting (12), into two cases.
% 2.38/1.32  	|-Branch one:
% 2.38/1.32  	| (15) in(all_0_5_5, all_0_4_4)
% 2.38/1.32  	|
% 2.38/1.32  		| Using (15) and (20) yields:
% 2.38/1.32  		| (17) $false
% 2.38/1.32  		|
% 2.38/1.32  		|-The branch is then unsatisfiable
% 2.38/1.32  	|-Branch two:
% 2.38/1.32  	| (20)  ~ in(all_0_5_5, all_0_4_4)
% 2.38/1.32  	| (14) all_0_2_2 = all_0_3_3
% 2.38/1.32  	|
% 2.38/1.32  		| Equations (14) can reduce 19 to:
% 2.38/1.32  		| (25) $false
% 2.38/1.32  		|
% 2.38/1.32  		|-The branch is then unsatisfiable
% 2.38/1.32  % SZS output end Proof for theBenchmark
% 2.38/1.32  
% 2.38/1.32  719ms
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