TSTP Solution File: SET930+1 by ePrincess---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : ePrincess---1.0
% Problem  : SET930+1 : TPTP v8.1.0. Released v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : ePrincess-casc -timeout=%d %s

% Computer : n010.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 00:23:16 EDT 2022

% Result   : Theorem 2.23s 1.30s
% Output   : Proof 3.31s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.08/0.13  % Problem  : SET930+1 : TPTP v8.1.0. Released v3.2.0.
% 0.08/0.14  % Command  : ePrincess-casc -timeout=%d %s
% 0.13/0.35  % Computer : n010.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 : Sat Jul  9 21:15:45 EDT 2022
% 0.13/0.35  % CPUTime  : 
% 0.62/0.60          ____       _                          
% 0.62/0.60    ___  / __ \_____(_)___  ________  __________
% 0.62/0.60   / _ \/ /_/ / ___/ / __ \/ ___/ _ \/ ___/ ___/
% 0.62/0.60  /  __/ ____/ /  / / / / / /__/  __(__  |__  ) 
% 0.62/0.60  \___/_/   /_/  /_/_/ /_/\___/\___/____/____/  
% 0.62/0.60  
% 0.62/0.60  A Theorem Prover for First-Order Logic
% 0.62/0.61  (ePrincess v.1.0)
% 0.62/0.61  
% 0.62/0.61  (c) Philipp Rümmer, 2009-2015
% 0.62/0.61  (c) Peter Backeman, 2014-2015
% 0.62/0.61  (contributions by Angelo Brillout, Peter Baumgartner)
% 0.62/0.61  Free software under GNU Lesser General Public License (LGPL).
% 0.62/0.61  Bug reports to peter@backeman.se
% 0.62/0.61  
% 0.62/0.61  For more information, visit http://user.uu.se/~petba168/breu/
% 0.62/0.61  
% 0.62/0.61  Loading /export/starexec/sandbox/benchmark/theBenchmark.p ...
% 0.66/0.68  Prover 0: Options:  -triggersInConjecture -genTotalityAxioms -tightFunctionScopes -clausifier=simple -reverseFunctionalityPropagation +boolFunsAsPreds -triggerStrategy=allMaximal -resolutionMethod=nonUnifying +ignoreQuantifiers -generateTriggers=all
% 1.38/0.96  Prover 0: Preprocessing ...
% 1.73/1.16  Prover 0: Constructing countermodel ...
% 2.23/1.30  Prover 0: proved (616ms)
% 2.23/1.30  
% 2.23/1.30  No countermodel exists, formula is valid
% 2.23/1.30  % SZS status Theorem for theBenchmark
% 2.23/1.30  
% 2.23/1.30  Generating proof ... found it (size 20)
% 3.13/1.48  
% 3.13/1.48  % SZS output start Proof for theBenchmark
% 3.13/1.48  Assumed formulas after preprocessing and simplification: 
% 3.13/1.48  | (0)  ? [v0] :  ? [v1] :  ? [v2] :  ? [v3] :  ? [v4] :  ? [v5] :  ? [v6] :  ? [v7] :  ? [v8] : ( ~ (v6 = v4) &  ~ (v5 = v4) &  ~ (v4 = v3) &  ~ (v4 = empty_set) & set_difference(v3, v2) = v4 & singleton(v1) = v6 & singleton(v0) = v5 & unordered_pair(v0, v1) = v3 & empty(v8) & empty(empty_set) &  ~ empty(v7) &  ! [v9] :  ! [v10] :  ! [v11] :  ! [v12] :  ! [v13] : (v13 = v12 |  ~ (set_difference(v12, v11) = v13) |  ~ (unordered_pair(v9, v10) = v12) | in(v10, v11) | in(v9, v11)) &  ! [v9] :  ! [v10] :  ! [v11] :  ! [v12] :  ! [v13] : (v13 = empty_set |  ~ (set_difference(v12, v11) = v13) |  ~ (unordered_pair(v9, v10) = v12) |  ~ in(v10, v11) |  ~ in(v9, v11)) &  ! [v9] :  ! [v10] :  ! [v11] :  ! [v12] :  ! [v13] : (v10 = v9 |  ~ (set_difference(v12, v11) = v13) |  ~ (unordered_pair(v9, v10) = v12) | in(v10, v11) |  ? [v14] : ( ~ (v14 = v13) & singleton(v9) = v14)) &  ! [v9] :  ! [v10] :  ! [v11] :  ! [v12] :  ! [v13] : ( ~ (set_difference(v12, v11) = v13) |  ~ (unordered_pair(v9, v10) = v12) |  ~ in(v10, v11) | singleton(v9) = v13 | in(v9, v11)) &  ! [v9] :  ! [v10] :  ! [v11] :  ! [v12] :  ! [v13] : ( ~ (set_difference(v12, v11) = v13) |  ~ (unordered_pair(v9, v10) = v12) |  ~ in(v9, v11) |  ? [v14] : ( ~ (v14 = v13) & singleton(v9) = v14)) &  ! [v9] :  ! [v10] :  ! [v11] :  ! [v12] : (v10 = v9 |  ~ (set_difference(v12, v11) = v10) |  ~ (set_difference(v12, v11) = v9)) &  ! [v9] :  ! [v10] :  ! [v11] :  ! [v12] : (v10 = v9 |  ~ (unordered_pair(v12, v11) = v10) |  ~ (unordered_pair(v12, v11) = v9)) &  ! [v9] :  ! [v10] :  ! [v11] :  ! [v12] : ( ~ (set_difference(v12, v11) = v12) |  ~ (unordered_pair(v9, v10) = v12) |  ~ in(v10, v11)) &  ! [v9] :  ! [v10] :  ! [v11] :  ! [v12] : ( ~ (set_difference(v12, v11) = v12) |  ~ (unordered_pair(v9, v10) = v12) |  ~ in(v9, v11)) &  ! [v9] :  ! [v10] :  ! [v11] :  ! [v12] : ( ~ (set_difference(v12, v11) = empty_set) |  ~ (unordered_pair(v9, v10) = v12) | in(v10, v11)) &  ! [v9] :  ! [v10] :  ! [v11] :  ! [v12] : ( ~ (set_difference(v12, v11) = empty_set) |  ~ (unordered_pair(v9, v10) = v12) | in(v9, v11)) &  ! [v9] :  ! [v10] :  ! [v11] :  ! [v12] : ( ~ (set_difference(v11, v10) = v12) |  ~ (unordered_pair(v9, v9) = v11) | singleton(v9) = v12 | in(v9, v10)) &  ! [v9] :  ! [v10] :  ! [v11] : (v10 = v9 |  ~ (singleton(v11) = v10) |  ~ (singleton(v11) = v9)) &  ! [v9] :  ! [v10] :  ! [v11] : ( ~ (unordered_pair(v10, v9) = v11) | unordered_pair(v9, v10) = v11) &  ! [v9] :  ! [v10] :  ! [v11] : ( ~ (unordered_pair(v9, v10) = v11) | unordered_pair(v10, v9) = v11) &  ! [v9] :  ! [v10] : ( ~ in(v10, v9) |  ~ in(v9, v10)))
% 3.21/1.52  | 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, all_0_6_6, all_0_7_7, all_0_8_8 yields:
% 3.21/1.52  | (1)  ~ (all_0_2_2 = all_0_4_4) &  ~ (all_0_3_3 = all_0_4_4) &  ~ (all_0_4_4 = all_0_5_5) &  ~ (all_0_4_4 = empty_set) & set_difference(all_0_5_5, all_0_6_6) = all_0_4_4 & singleton(all_0_7_7) = all_0_2_2 & singleton(all_0_8_8) = all_0_3_3 & unordered_pair(all_0_8_8, all_0_7_7) = all_0_5_5 & empty(all_0_0_0) & empty(empty_set) &  ~ empty(all_0_1_1) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] : (v4 = v3 |  ~ (set_difference(v3, v2) = v4) |  ~ (unordered_pair(v0, v1) = v3) | in(v1, v2) | in(v0, v2)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] : (v4 = empty_set |  ~ (set_difference(v3, v2) = v4) |  ~ (unordered_pair(v0, v1) = v3) |  ~ in(v1, v2) |  ~ in(v0, v2)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] : (v1 = v0 |  ~ (set_difference(v3, v2) = v4) |  ~ (unordered_pair(v0, v1) = v3) | in(v1, v2) |  ? [v5] : ( ~ (v5 = v4) & singleton(v0) = v5)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] : ( ~ (set_difference(v3, v2) = v4) |  ~ (unordered_pair(v0, v1) = v3) |  ~ in(v1, v2) | singleton(v0) = v4 | in(v0, v2)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] : ( ~ (set_difference(v3, v2) = v4) |  ~ (unordered_pair(v0, v1) = v3) |  ~ in(v0, v2) |  ? [v5] : ( ~ (v5 = v4) & singleton(v0) = v5)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v1 = v0 |  ~ (set_difference(v3, v2) = v1) |  ~ (set_difference(v3, v2) = v0)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v1 = v0 |  ~ (unordered_pair(v3, v2) = v1) |  ~ (unordered_pair(v3, v2) = v0)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : ( ~ (set_difference(v3, v2) = v3) |  ~ (unordered_pair(v0, v1) = v3) |  ~ in(v1, v2)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : ( ~ (set_difference(v3, v2) = v3) |  ~ (unordered_pair(v0, v1) = v3) |  ~ in(v0, v2)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : ( ~ (set_difference(v3, v2) = empty_set) |  ~ (unordered_pair(v0, v1) = v3) | in(v1, v2)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : ( ~ (set_difference(v3, v2) = empty_set) |  ~ (unordered_pair(v0, v1) = v3) | in(v0, v2)) &  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : ( ~ (set_difference(v2, v1) = v3) |  ~ (unordered_pair(v0, v0) = v2) | singleton(v0) = v3 | in(v0, v1)) &  ! [v0] :  ! [v1] :  ! [v2] : (v1 = v0 |  ~ (singleton(v2) = v1) |  ~ (singleton(v2) = v0)) &  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (unordered_pair(v1, v0) = v2) | unordered_pair(v0, v1) = v2) &  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (unordered_pair(v0, v1) = v2) | unordered_pair(v1, v0) = v2) &  ! [v0] :  ! [v1] : ( ~ in(v1, v0) |  ~ in(v0, v1))
% 3.21/1.53  |
% 3.21/1.53  | Applying alpha-rule on (1) yields:
% 3.21/1.53  | (2)  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (unordered_pair(v0, v1) = v2) | unordered_pair(v1, v0) = v2)
% 3.21/1.53  | (3)  ! [v0] :  ! [v1] :  ! [v2] : ( ~ (unordered_pair(v1, v0) = v2) | unordered_pair(v0, v1) = v2)
% 3.21/1.53  | (4)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : ( ~ (set_difference(v3, v2) = empty_set) |  ~ (unordered_pair(v0, v1) = v3) | in(v1, v2))
% 3.21/1.53  | (5)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] : (v4 = empty_set |  ~ (set_difference(v3, v2) = v4) |  ~ (unordered_pair(v0, v1) = v3) |  ~ in(v1, v2) |  ~ in(v0, v2))
% 3.21/1.53  | (6)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : ( ~ (set_difference(v2, v1) = v3) |  ~ (unordered_pair(v0, v0) = v2) | singleton(v0) = v3 | in(v0, v1))
% 3.21/1.53  | (7)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] : ( ~ (set_difference(v3, v2) = v4) |  ~ (unordered_pair(v0, v1) = v3) |  ~ in(v0, v2) |  ? [v5] : ( ~ (v5 = v4) & singleton(v0) = v5))
% 3.21/1.53  | (8) empty(all_0_0_0)
% 3.21/1.53  | (9)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : ( ~ (set_difference(v3, v2) = v3) |  ~ (unordered_pair(v0, v1) = v3) |  ~ in(v0, v2))
% 3.21/1.53  | (10)  ! [v0] :  ! [v1] :  ! [v2] : (v1 = v0 |  ~ (singleton(v2) = v1) |  ~ (singleton(v2) = v0))
% 3.21/1.54  | (11)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] : ( ~ (set_difference(v3, v2) = v4) |  ~ (unordered_pair(v0, v1) = v3) |  ~ in(v1, v2) | singleton(v0) = v4 | in(v0, v2))
% 3.21/1.54  | (12) empty(empty_set)
% 3.21/1.54  | (13)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v1 = v0 |  ~ (unordered_pair(v3, v2) = v1) |  ~ (unordered_pair(v3, v2) = v0))
% 3.21/1.54  | (14) unordered_pair(all_0_8_8, all_0_7_7) = all_0_5_5
% 3.21/1.54  | (15)  ~ (all_0_4_4 = all_0_5_5)
% 3.21/1.54  | (16)  ~ empty(all_0_1_1)
% 3.21/1.54  | (17)  ~ (all_0_2_2 = all_0_4_4)
% 3.21/1.54  | (18) set_difference(all_0_5_5, all_0_6_6) = all_0_4_4
% 3.31/1.54  | (19)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] : (v1 = v0 |  ~ (set_difference(v3, v2) = v4) |  ~ (unordered_pair(v0, v1) = v3) | in(v1, v2) |  ? [v5] : ( ~ (v5 = v4) & singleton(v0) = v5))
% 3.31/1.54  | (20)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : ( ~ (set_difference(v3, v2) = v3) |  ~ (unordered_pair(v0, v1) = v3) |  ~ in(v1, v2))
% 3.31/1.54  | (21)  ! [v0] :  ! [v1] : ( ~ in(v1, v0) |  ~ in(v0, v1))
% 3.31/1.54  | (22)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : ( ~ (set_difference(v3, v2) = empty_set) |  ~ (unordered_pair(v0, v1) = v3) | in(v0, v2))
% 3.31/1.54  | (23) singleton(all_0_8_8) = all_0_3_3
% 3.31/1.54  | (24)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] : (v1 = v0 |  ~ (set_difference(v3, v2) = v1) |  ~ (set_difference(v3, v2) = v0))
% 3.31/1.54  | (25)  ! [v0] :  ! [v1] :  ! [v2] :  ! [v3] :  ! [v4] : (v4 = v3 |  ~ (set_difference(v3, v2) = v4) |  ~ (unordered_pair(v0, v1) = v3) | in(v1, v2) | in(v0, v2))
% 3.31/1.54  | (26) singleton(all_0_7_7) = all_0_2_2
% 3.31/1.54  | (27)  ~ (all_0_4_4 = empty_set)
% 3.31/1.54  | (28)  ~ (all_0_3_3 = all_0_4_4)
% 3.31/1.54  |
% 3.31/1.54  | Instantiating formula (3) with all_0_5_5, all_0_8_8, all_0_7_7 and discharging atoms unordered_pair(all_0_8_8, all_0_7_7) = all_0_5_5, yields:
% 3.31/1.54  | (29) unordered_pair(all_0_7_7, all_0_8_8) = all_0_5_5
% 3.31/1.54  |
% 3.31/1.54  | Instantiating formula (25) with all_0_4_4, all_0_5_5, all_0_6_6, all_0_8_8, all_0_7_7 and discharging atoms set_difference(all_0_5_5, all_0_6_6) = all_0_4_4, unordered_pair(all_0_7_7, all_0_8_8) = all_0_5_5, yields:
% 3.31/1.54  | (30) all_0_4_4 = all_0_5_5 | in(all_0_7_7, all_0_6_6) | in(all_0_8_8, all_0_6_6)
% 3.31/1.54  |
% 3.31/1.54  +-Applying beta-rule and splitting (30), into two cases.
% 3.31/1.54  |-Branch one:
% 3.31/1.54  | (31) in(all_0_7_7, all_0_6_6)
% 3.31/1.54  |
% 3.31/1.54  	| Instantiating formula (11) with all_0_4_4, all_0_5_5, all_0_6_6, all_0_7_7, all_0_8_8 and discharging atoms set_difference(all_0_5_5, all_0_6_6) = all_0_4_4, unordered_pair(all_0_8_8, all_0_7_7) = all_0_5_5, in(all_0_7_7, all_0_6_6), yields:
% 3.31/1.54  	| (32) singleton(all_0_8_8) = all_0_4_4 | in(all_0_8_8, all_0_6_6)
% 3.31/1.54  	|
% 3.31/1.54  	+-Applying beta-rule and splitting (32), into two cases.
% 3.31/1.54  	|-Branch one:
% 3.31/1.54  	| (33) in(all_0_8_8, all_0_6_6)
% 3.31/1.54  	|
% 3.31/1.54  		| Instantiating formula (5) with all_0_4_4, all_0_5_5, all_0_6_6, all_0_7_7, all_0_8_8 and discharging atoms set_difference(all_0_5_5, all_0_6_6) = all_0_4_4, unordered_pair(all_0_8_8, all_0_7_7) = all_0_5_5, in(all_0_7_7, all_0_6_6), in(all_0_8_8, all_0_6_6), yields:
% 3.31/1.54  		| (34) all_0_4_4 = empty_set
% 3.31/1.55  		|
% 3.31/1.55  		| Equations (34) can reduce 27 to:
% 3.31/1.55  		| (35) $false
% 3.31/1.55  		|
% 3.31/1.55  		|-The branch is then unsatisfiable
% 3.31/1.55  	|-Branch two:
% 3.31/1.55  	| (36)  ~ in(all_0_8_8, all_0_6_6)
% 3.31/1.55  	| (37) singleton(all_0_8_8) = all_0_4_4
% 3.31/1.55  	|
% 3.31/1.55  		| Instantiating formula (10) with all_0_8_8, all_0_4_4, all_0_3_3 and discharging atoms singleton(all_0_8_8) = all_0_3_3, singleton(all_0_8_8) = all_0_4_4, yields:
% 3.31/1.55  		| (38) all_0_3_3 = all_0_4_4
% 3.31/1.55  		|
% 3.31/1.55  		| Equations (38) can reduce 28 to:
% 3.31/1.55  		| (35) $false
% 3.31/1.55  		|
% 3.31/1.55  		|-The branch is then unsatisfiable
% 3.31/1.55  |-Branch two:
% 3.31/1.55  | (40)  ~ in(all_0_7_7, all_0_6_6)
% 3.31/1.55  | (41) all_0_4_4 = all_0_5_5 | in(all_0_8_8, all_0_6_6)
% 3.31/1.55  |
% 3.31/1.55  	+-Applying beta-rule and splitting (41), into two cases.
% 3.31/1.55  	|-Branch one:
% 3.31/1.55  	| (33) in(all_0_8_8, all_0_6_6)
% 3.31/1.55  	|
% 3.31/1.55  		| Instantiating formula (11) with all_0_4_4, all_0_5_5, all_0_6_6, all_0_8_8, all_0_7_7 and discharging atoms set_difference(all_0_5_5, all_0_6_6) = all_0_4_4, unordered_pair(all_0_7_7, all_0_8_8) = all_0_5_5, in(all_0_8_8, all_0_6_6),  ~ in(all_0_7_7, all_0_6_6), yields:
% 3.31/1.55  		| (43) singleton(all_0_7_7) = all_0_4_4
% 3.31/1.55  		|
% 3.31/1.55  		| Instantiating formula (10) with all_0_7_7, all_0_4_4, all_0_2_2 and discharging atoms singleton(all_0_7_7) = all_0_2_2, singleton(all_0_7_7) = all_0_4_4, yields:
% 3.31/1.55  		| (44) all_0_2_2 = all_0_4_4
% 3.31/1.55  		|
% 3.31/1.55  		| Equations (44) can reduce 17 to:
% 3.31/1.55  		| (35) $false
% 3.31/1.55  		|
% 3.31/1.55  		|-The branch is then unsatisfiable
% 3.31/1.55  	|-Branch two:
% 3.31/1.55  	| (36)  ~ in(all_0_8_8, all_0_6_6)
% 3.31/1.55  	| (47) all_0_4_4 = all_0_5_5
% 3.31/1.55  	|
% 3.31/1.55  		| Equations (47) can reduce 15 to:
% 3.31/1.55  		| (35) $false
% 3.31/1.55  		|
% 3.31/1.55  		|-The branch is then unsatisfiable
% 3.31/1.55  % SZS output end Proof for theBenchmark
% 3.31/1.55  
% 3.31/1.55  927ms
%------------------------------------------------------------------------------