TSTP Solution File: SET062+3 by ePrincess---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : ePrincess---1.0
% Problem  : SET062+3 : TPTP v8.1.0. Released v2.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : ePrincess-casc -timeout=%d %s

% Computer : n028.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 00:16:51 EDT 2022

% Result   : Theorem 2.08s 1.17s
% Output   : Proof 2.67s
% Verified : 
% SZS Type : -

% Comments : 
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%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.11  % Problem  : SET062+3 : TPTP v8.1.0. Released v2.2.0.
% 0.06/0.11  % Command  : ePrincess-casc -timeout=%d %s
% 0.10/0.31  % Computer : n028.cluster.edu
% 0.10/0.31  % Model    : x86_64 x86_64
% 0.10/0.31  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/0.31  % Memory   : 8042.1875MB
% 0.10/0.31  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.10/0.31  % CPULimit : 300
% 0.10/0.31  % WCLimit  : 600
% 0.10/0.31  % DateTime : Sun Jul 10 12:24:42 EDT 2022
% 0.10/0.32  % CPUTime  : 
% 0.47/0.57          ____       _                          
% 0.47/0.57    ___  / __ \_____(_)___  ________  __________
% 0.47/0.57   / _ \/ /_/ / ___/ / __ \/ ___/ _ \/ ___/ ___/
% 0.47/0.57  /  __/ ____/ /  / / / / / /__/  __(__  |__  ) 
% 0.47/0.57  \___/_/   /_/  /_/_/ /_/\___/\___/____/____/  
% 0.47/0.57  
% 0.47/0.57  A Theorem Prover for First-Order Logic
% 0.47/0.57  (ePrincess v.1.0)
% 0.47/0.57  
% 0.47/0.57  (c) Philipp Rümmer, 2009-2015
% 0.47/0.57  (c) Peter Backeman, 2014-2015
% 0.47/0.57  (contributions by Angelo Brillout, Peter Baumgartner)
% 0.47/0.57  Free software under GNU Lesser General Public License (LGPL).
% 0.47/0.57  Bug reports to peter@backeman.se
% 0.47/0.57  
% 0.47/0.57  For more information, visit http://user.uu.se/~petba168/breu/
% 0.47/0.57  
% 0.47/0.57  Loading /export/starexec/sandbox2/benchmark/theBenchmark.p ...
% 0.47/0.62  Prover 0: Options:  -triggersInConjecture -genTotalityAxioms -tightFunctionScopes -clausifier=simple -reverseFunctionalityPropagation +boolFunsAsPreds -triggerStrategy=allMaximal -resolutionMethod=nonUnifying +ignoreQuantifiers -generateTriggers=all
% 1.17/0.87  Prover 0: Preprocessing ...
% 1.37/0.94  Prover 0: Warning: ignoring some quantifiers
% 1.37/0.95  Prover 0: Constructing countermodel ...
% 1.49/1.06  Prover 0: gave up
% 1.49/1.06  Prover 1: Options:  +triggersInConjecture -genTotalityAxioms -tightFunctionScopes -clausifier=simple +reverseFunctionalityPropagation -boolFunsAsPreds -triggerStrategy=maximal -resolutionMethod=normal +ignoreQuantifiers -generateTriggers=all
% 1.82/1.08  Prover 1: Preprocessing ...
% 1.98/1.14  Prover 1: Constructing countermodel ...
% 2.08/1.17  Prover 1: proved (110ms)
% 2.08/1.17  
% 2.08/1.17  No countermodel exists, formula is valid
% 2.08/1.17  % SZS status Theorem for theBenchmark
% 2.08/1.17  
% 2.08/1.17  Generating proof ... found it (size 10)
% 2.45/1.32  
% 2.45/1.32  % SZS output start Proof for theBenchmark
% 2.45/1.32  Assumed formulas after preprocessing and simplification: 
% 2.45/1.32  | (0)  ? [v0] :  ? [v1] : ( ~ (v1 = 0) & subset(empty_set, v0) = v1 &  ! [v2] :  ! [v3] :  ! [v4] :  ! [v5] : (v3 = v2 |  ~ (subset(v5, v4) = v3) |  ~ (subset(v5, v4) = v2)) &  ! [v2] :  ! [v3] :  ! [v4] :  ! [v5] : (v3 = v2 |  ~ (member(v5, v4) = v3) |  ~ (member(v5, v4) = v2)) &  ! [v2] :  ! [v3] :  ! [v4] : (v4 = 0 |  ~ (subset(v2, v3) = v4) |  ? [v5] :  ? [v6] : ( ~ (v6 = 0) & member(v5, v3) = v6 & member(v5, v2) = 0)) &  ! [v2] :  ! [v3] :  ! [v4] : (v3 = v2 |  ~ (empty(v4) = v3) |  ~ (empty(v4) = v2)) &  ! [v2] :  ! [v3] :  ! [v4] : ( ~ (subset(v2, v3) = 0) |  ~ (member(v4, v2) = 0) | member(v4, v3) = 0) &  ! [v2] :  ! [v3] : (v3 = 0 |  ~ (empty(v2) = v3) |  ? [v4] : member(v4, v2) = 0) &  ! [v2] :  ! [v3] : (v3 = 0 |  ~ (subset(v2, v2) = v3)) &  ! [v2] :  ! [v3] : ( ~ (empty(v2) = 0) |  ~ (member(v3, v2) = 0)) &  ! [v2] :  ~ (member(v2, empty_set) = 0))
% 2.62/1.35  | Instantiating (0) with all_0_0_0, all_0_1_1 yields:
% 2.62/1.35  | (1)  ~ (all_0_0_0 = 0) & subset(empty_set, all_0_1_1) = all_0_0_0 &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v1 = v0 |  ~ (subset(v3, v2) = v1) |  ~ (subset(v3, v2) = v0)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v1 = v0 |  ~ (member(v3, v2) = v1) |  ~ (member(v3, v2) = v0)) &  ! [v0] :  ! [v1] :  ! [v2] : (v2 = 0 |  ~ (subset(v0, v1) = v2) |  ? [v3] :  ? [v4] : ( ~ (v4 = 0) & member(v3, v1) = v4 & member(v3, v0) = 0)) &  ! [v0] :  ! [v1] :  ! [v2] : (v1 = v0 |  ~ (empty(v2) = v1) |  ~ (empty(v2) = v0)) &  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (subset(v0, v1) = 0) |  ~ (member(v2, v0) = 0) | member(v2, v1) = 0) &  ! [v0] :  ! [v1] : (v1 = 0 |  ~ (empty(v0) = v1) |  ? [v2] : member(v2, v0) = 0) &  ! [v0] :  ! [v1] : (v1 = 0 |  ~ (subset(v0, v0) = v1)) &  ! [v0] :  ! [v1] : ( ~ (empty(v0) = 0) |  ~ (member(v1, v0) = 0)) &  ! [v0] :  ~ (member(v0, empty_set) = 0)
% 2.62/1.36  |
% 2.62/1.36  | Applying alpha-rule on (1) yields:
% 2.62/1.36  | (2) subset(empty_set, all_0_1_1) = all_0_0_0
% 2.62/1.36  | (3)  ! [v0] :  ~ (member(v0, empty_set) = 0)
% 2.62/1.36  | (4)  ! [v0] :  ! [v1] :  ! [v2] : (v1 = v0 |  ~ (empty(v2) = v1) |  ~ (empty(v2) = v0))
% 2.62/1.36  | (5)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v1 = v0 |  ~ (member(v3, v2) = v1) |  ~ (member(v3, v2) = v0))
% 2.62/1.36  | (6)  ! [v0] :  ! [v1] : (v1 = 0 |  ~ (subset(v0, v0) = v1))
% 2.62/1.36  | (7)  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (subset(v0, v1) = 0) |  ~ (member(v2, v0) = 0) | member(v2, v1) = 0)
% 2.62/1.36  | (8)  ! [v0] :  ! [v1] : ( ~ (empty(v0) = 0) |  ~ (member(v1, v0) = 0))
% 2.62/1.36  | (9)  ! [v0] :  ! [v1] : (v1 = 0 |  ~ (empty(v0) = v1) |  ? [v2] : member(v2, v0) = 0)
% 2.62/1.36  | (10)  ! [v0] :  ! [v1] :  ! [v2] : (v2 = 0 |  ~ (subset(v0, v1) = v2) |  ? [v3] :  ? [v4] : ( ~ (v4 = 0) & member(v3, v1) = v4 & member(v3, v0) = 0))
% 2.62/1.36  | (11)  ~ (all_0_0_0 = 0)
% 2.62/1.36  | (12)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v1 = v0 |  ~ (subset(v3, v2) = v1) |  ~ (subset(v3, v2) = v0))
% 2.67/1.36  |
% 2.67/1.37  | Instantiating formula (10) with all_0_0_0, all_0_1_1, empty_set and discharging atoms subset(empty_set, all_0_1_1) = all_0_0_0, yields:
% 2.67/1.37  | (13) all_0_0_0 = 0 |  ? [v0] :  ? [v1] : ( ~ (v1 = 0) & member(v0, all_0_1_1) = v1 & member(v0, empty_set) = 0)
% 2.67/1.37  |
% 2.67/1.37  +-Applying beta-rule and splitting (13), into two cases.
% 2.67/1.37  |-Branch one:
% 2.67/1.37  | (14) all_0_0_0 = 0
% 2.67/1.37  |
% 2.67/1.37  	| Equations (14) can reduce 11 to:
% 2.67/1.37  	| (15) $false
% 2.67/1.37  	|
% 2.67/1.37  	|-The branch is then unsatisfiable
% 2.67/1.37  |-Branch two:
% 2.67/1.37  | (11)  ~ (all_0_0_0 = 0)
% 2.67/1.37  | (17)  ? [v0] :  ? [v1] : ( ~ (v1 = 0) & member(v0, all_0_1_1) = v1 & member(v0, empty_set) = 0)
% 2.67/1.37  |
% 2.67/1.37  	| Instantiating (17) with all_14_0_2, all_14_1_3 yields:
% 2.67/1.37  	| (18)  ~ (all_14_0_2 = 0) & member(all_14_1_3, all_0_1_1) = all_14_0_2 & member(all_14_1_3, empty_set) = 0
% 2.67/1.37  	|
% 2.67/1.37  	| Applying alpha-rule on (18) yields:
% 2.67/1.37  	| (19)  ~ (all_14_0_2 = 0)
% 2.67/1.37  	| (20) member(all_14_1_3, all_0_1_1) = all_14_0_2
% 2.67/1.37  	| (21) member(all_14_1_3, empty_set) = 0
% 2.67/1.37  	|
% 2.67/1.37  	| Instantiating formula (3) with all_14_1_3 and discharging atoms member(all_14_1_3, empty_set) = 0, yields:
% 2.67/1.37  	| (22) $false
% 2.67/1.37  	|
% 2.67/1.37  	|-The branch is then unsatisfiable
% 2.67/1.37  % SZS output end Proof for theBenchmark
% 2.67/1.37  
% 2.67/1.37  789ms
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