TSTP Solution File: SET900+1 by ePrincess---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : ePrincess---1.0
% Problem  : SET900+1 : TPTP v8.1.0. Released v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : ePrincess-casc -timeout=%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 00:23:01 EDT 2022

% Result   : Theorem 4.91s 1.99s
% Output   : Proof 6.73s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : SET900+1 : TPTP v8.1.0. Released v3.2.0.
% 0.12/0.12  % Command  : ePrincess-casc -timeout=%d %s
% 0.12/0.34  % Computer : n026.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 01:07:41 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 0.58/0.60          ____       _                          
% 0.58/0.60    ___  / __ \_____(_)___  ________  __________
% 0.58/0.60   / _ \/ /_/ / ___/ / __ \/ ___/ _ \/ ___/ ___/
% 0.58/0.60  /  __/ ____/ /  / / / / / /__/  __(__  |__  ) 
% 0.58/0.60  \___/_/   /_/  /_/_/ /_/\___/\___/____/____/  
% 0.58/0.60  
% 0.58/0.60  A Theorem Prover for First-Order Logic
% 0.58/0.60  (ePrincess v.1.0)
% 0.58/0.60  
% 0.58/0.60  (c) Philipp Rümmer, 2009-2015
% 0.58/0.60  (c) Peter Backeman, 2014-2015
% 0.58/0.60  (contributions by Angelo Brillout, Peter Baumgartner)
% 0.58/0.60  Free software under GNU Lesser General Public License (LGPL).
% 0.58/0.60  Bug reports to peter@backeman.se
% 0.58/0.60  
% 0.58/0.60  For more information, visit http://user.uu.se/~petba168/breu/
% 0.58/0.60  
% 0.58/0.60  Loading /export/starexec/sandbox/benchmark/theBenchmark.p ...
% 0.75/0.65  Prover 0: Options:  -triggersInConjecture -genTotalityAxioms -tightFunctionScopes -clausifier=simple -reverseFunctionalityPropagation +boolFunsAsPreds -triggerStrategy=allMaximal -resolutionMethod=nonUnifying +ignoreQuantifiers -generateTriggers=all
% 1.35/0.90  Prover 0: Preprocessing ...
% 1.47/0.99  Prover 0: Warning: ignoring some quantifiers
% 1.47/1.00  Prover 0: Constructing countermodel ...
% 1.85/1.12  Prover 0: gave up
% 1.85/1.12  Prover 1: Options:  +triggersInConjecture -genTotalityAxioms -tightFunctionScopes -clausifier=simple +reverseFunctionalityPropagation -boolFunsAsPreds -triggerStrategy=maximal -resolutionMethod=normal +ignoreQuantifiers -generateTriggers=all
% 1.85/1.14  Prover 1: Preprocessing ...
% 2.24/1.18  Prover 1: Warning: ignoring some quantifiers
% 2.24/1.18  Prover 1: Constructing countermodel ...
% 2.32/1.23  Prover 1: gave up
% 2.32/1.23  Prover 2: Options:  +triggersInConjecture +genTotalityAxioms +tightFunctionScopes -clausifier=simple -reverseFunctionalityPropagation -boolFunsAsPreds -triggerStrategy=allUni -resolutionMethod=nonUnifying +ignoreQuantifiers -generateTriggers=all
% 2.38/1.24  Prover 2: Preprocessing ...
% 2.38/1.28  Prover 2: Warning: ignoring some quantifiers
% 2.38/1.28  Prover 2: Constructing countermodel ...
% 2.77/1.33  Prover 2: gave up
% 2.77/1.33  Prover 3: Options:  -triggersInConjecture -genTotalityAxioms +tightFunctionScopes -clausifier=simple +reverseFunctionalityPropagation +boolFunsAsPreds -triggerStrategy=maximal -resolutionMethod=nonUnifying +ignoreQuantifiers -generateTriggers=all
% 2.77/1.34  Prover 3: Preprocessing ...
% 2.77/1.35  Prover 3: Warning: ignoring some quantifiers
% 2.77/1.35  Prover 3: Constructing countermodel ...
% 2.77/1.37  Prover 3: gave up
% 2.77/1.37  Prover 4: Options:  +triggersInConjecture -genTotalityAxioms -tightFunctionScopes -clausifier=simple -reverseFunctionalityPropagation -boolFunsAsPreds -triggerStrategy=allUni -resolutionMethod=nonUnifying +ignoreQuantifiers -generateTriggers=complete
% 2.77/1.38  Prover 4: Preprocessing ...
% 3.01/1.42  Prover 4: Warning: ignoring some quantifiers
% 3.01/1.42  Prover 4: Constructing countermodel ...
% 3.31/1.49  Prover 4: gave up
% 3.31/1.49  Prover 5: Options:  +triggersInConjecture -genTotalityAxioms -tightFunctionScopes -clausifier=none +reverseFunctionalityPropagation -boolFunsAsPreds -triggerStrategy=allMinimal -resolutionMethod=nonUnifying +ignoreQuantifiers -generateTriggers=all
% 3.31/1.49  Prover 5: Preprocessing ...
% 3.45/1.51  Prover 5: Warning: ignoring some quantifiers
% 3.45/1.52  Prover 5: Constructing countermodel ...
% 3.57/1.54  Prover 5: gave up
% 3.57/1.54  Prover 6: Options:  +triggersInConjecture +genTotalityAxioms +tightFunctionScopes -clausifier=simple -reverseFunctionalityPropagation -boolFunsAsPreds -triggerStrategy=allUni -resolutionMethod=normal +ignoreQuantifiers -generateTriggers=all
% 3.57/1.55  Prover 6: Preprocessing ...
% 3.57/1.57  Prover 6: Warning: ignoring some quantifiers
% 3.57/1.57  Prover 6: Constructing countermodel ...
% 3.57/1.60  Prover 6: gave up
% 3.57/1.60  Prover 7: Options:  +triggersInConjecture -genTotalityAxioms +tightFunctionScopes -clausifier=none +reverseFunctionalityPropagation +boolFunsAsPreds -triggerStrategy=maximalOutermost -resolutionMethod=normal -ignoreQuantifiers -generateTriggers=all
% 3.57/1.60  Prover 7: Preprocessing ...
% 3.57/1.62  Prover 7: Proving ...
% 4.91/1.99  Prover 7: proved (393ms)
% 4.91/1.99  
% 4.91/1.99  % SZS status Theorem for theBenchmark
% 4.91/1.99  
% 4.91/1.99  Generating proof ... found it (size 26)
% 6.32/2.39  
% 6.32/2.39  % SZS output start Proof for theBenchmark
% 6.32/2.39  Assumed formulas after preprocessing and simplification: 
% 6.32/2.39  | (0)  ? [v0] : (empty(v0) &  ! [v1] :  ! [v2] :  ! [v3] : (v2 = v1 |  ~ (singleton(v3) = v2) |  ~ (singleton(v3) = v1)) &  ! [v1] :  ! [v2] : ( ~ (singleton(v1) = v2) |  ! [v3] : (v3 = v2 | v3 = v0 |  ? [v4] : ( ~ (v4 = v1) & in(v4, v3)))) &  ! [v1] :  ! [v2] : ( ~ in(v2, v1) |  ~ in(v1, v2)) &  ? [v1] :  ? [v2] :  ? [v3] : ( ~ (v3 = v1) &  ~ (v1 = v0) & singleton(v2) = v3 &  ! [v4] : (v4 = v2 |  ~ in(v4, v1))) &  ? [v1] :  ~ empty(v1) &  ? [v1] : empty(v1))
% 6.32/2.41  | Instantiating (0) with all_0_0_0 yields:
% 6.32/2.41  | (1) empty(all_0_0_0) &  ! [v0] :  ! [v1] :  ! [v2] : (v1 = v0 |  ~ (singleton(v2) = v1) |  ~ (singleton(v2) = v0)) &  ! [v0] :  ! [v1] : ( ~ (singleton(v0) = v1) |  ! [v2] : (v2 = v1 | v2 = all_0_0_0 |  ? [v3] : ( ~ (v3 = v0) & in(v3, v2)))) &  ! [v0] :  ! [v1] : ( ~ in(v1, v0) |  ~ in(v0, v1)) &  ? [v0] :  ? [v1] :  ? [v2] : ( ~ (v2 = v0) &  ~ (v0 = all_0_0_0) & singleton(v1) = v2 &  ! [v3] : (v3 = v1 |  ~ in(v3, v0))) &  ? [v0] :  ~ empty(v0) &  ? [v0] : empty(v0)
% 6.32/2.41  |
% 6.32/2.41  | Applying alpha-rule on (1) yields:
% 6.32/2.41  | (2)  ! [v0] :  ! [v1] : ( ~ (singleton(v0) = v1) |  ! [v2] : (v2 = v1 | v2 = all_0_0_0 |  ? [v3] : ( ~ (v3 = v0) & in(v3, v2))))
% 6.32/2.41  | (3)  ? [v0] : empty(v0)
% 6.32/2.41  | (4)  ! [v0] :  ! [v1] :  ! [v2] : (v1 = v0 |  ~ (singleton(v2) = v1) |  ~ (singleton(v2) = v0))
% 6.32/2.41  | (5)  ? [v0] :  ~ empty(v0)
% 6.32/2.41  | (6)  ! [v0] :  ! [v1] : ( ~ in(v1, v0) |  ~ in(v0, v1))
% 6.73/2.41  | (7) empty(all_0_0_0)
% 6.73/2.41  | (8)  ? [v0] :  ? [v1] :  ? [v2] : ( ~ (v2 = v0) &  ~ (v0 = all_0_0_0) & singleton(v1) = v2 &  ! [v3] : (v3 = v1 |  ~ in(v3, v0)))
% 6.73/2.41  |
% 6.73/2.41  | Instantiating (8) with all_7_0_3, all_7_1_4, all_7_2_5 yields:
% 6.73/2.41  | (9)  ~ (all_7_0_3 = all_7_2_5) &  ~ (all_7_2_5 = all_0_0_0) & singleton(all_7_1_4) = all_7_0_3 &  ! [v0] : (v0 = all_7_1_4 |  ~ in(v0, all_7_2_5))
% 6.73/2.41  |
% 6.73/2.41  | Applying alpha-rule on (9) yields:
% 6.73/2.41  | (10)  ~ (all_7_0_3 = all_7_2_5)
% 6.73/2.41  | (11)  ~ (all_7_2_5 = all_0_0_0)
% 6.73/2.41  | (12) singleton(all_7_1_4) = all_7_0_3
% 6.73/2.41  | (13)  ! [v0] : (v0 = all_7_1_4 |  ~ in(v0, all_7_2_5))
% 6.73/2.41  |
% 6.73/2.41  | Instantiating formula (2) with all_7_0_3, all_7_1_4 and discharging atoms singleton(all_7_1_4) = all_7_0_3, yields:
% 6.73/2.41  | (14)  ! [v0] : (v0 = all_7_0_3 | v0 = all_0_0_0 |  ? [v1] : ( ~ (v1 = all_7_1_4) & in(v1, v0)))
% 6.73/2.42  |
% 6.73/2.42  | Introducing new symbol ex_16_0_6 defined by:
% 6.73/2.42  | (15) ex_16_0_6 = all_7_2_5
% 6.73/2.42  |
% 6.73/2.42  | Instantiating formula (14) with ex_16_0_6 yields:
% 6.73/2.42  | (16) ex_16_0_6 = all_7_0_3 | ex_16_0_6 = all_0_0_0 |  ? [v0] : ( ~ (v0 = all_7_1_4) & in(v0, ex_16_0_6))
% 6.73/2.42  |
% 6.73/2.42  +-Applying beta-rule and splitting (16), into two cases.
% 6.73/2.42  |-Branch one:
% 6.73/2.42  | (17) ex_16_0_6 = all_7_0_3
% 6.73/2.42  |
% 6.73/2.42  	| Combining equations (17,15) yields a new equation:
% 6.73/2.42  	| (18) all_7_0_3 = all_7_2_5
% 6.73/2.42  	|
% 6.73/2.42  	| Simplifying 18 yields:
% 6.73/2.42  	| (19) all_7_0_3 = all_7_2_5
% 6.73/2.42  	|
% 6.73/2.42  	| Equations (19) can reduce 10 to:
% 6.73/2.42  	| (20) $false
% 6.73/2.42  	|
% 6.73/2.42  	|-The branch is then unsatisfiable
% 6.73/2.42  |-Branch two:
% 6.73/2.42  | (21) ex_16_0_6 = all_0_0_0 |  ? [v0] : ( ~ (v0 = all_7_1_4) & in(v0, ex_16_0_6))
% 6.73/2.42  |
% 6.73/2.42  	+-Applying beta-rule and splitting (21), into two cases.
% 6.73/2.42  	|-Branch one:
% 6.73/2.42  	| (22) ex_16_0_6 = all_0_0_0
% 6.73/2.42  	|
% 6.73/2.42  		| Combining equations (15,22) yields a new equation:
% 6.73/2.42  		| (23) all_7_2_5 = all_0_0_0
% 6.73/2.42  		|
% 6.73/2.42  		| Simplifying 23 yields:
% 6.73/2.42  		| (24) all_7_2_5 = all_0_0_0
% 6.73/2.42  		|
% 6.73/2.42  		| Equations (24) can reduce 11 to:
% 6.73/2.42  		| (20) $false
% 6.73/2.42  		|
% 6.73/2.42  		|-The branch is then unsatisfiable
% 6.73/2.42  	|-Branch two:
% 6.73/2.42  	| (26)  ? [v0] : ( ~ (v0 = all_7_1_4) & in(v0, ex_16_0_6))
% 6.73/2.42  	|
% 6.73/2.42  		| Instantiating (26) with all_26_0_8 yields:
% 6.73/2.42  		| (27)  ~ (all_26_0_8 = all_7_1_4) & in(all_26_0_8, ex_16_0_6)
% 6.73/2.42  		|
% 6.73/2.42  		| Applying alpha-rule on (27) yields:
% 6.73/2.42  		| (28)  ~ (all_26_0_8 = all_7_1_4)
% 6.73/2.42  		| (29) in(all_26_0_8, ex_16_0_6)
% 6.73/2.42  		|
% 6.73/2.42  		| Instantiating formula (13) with all_26_0_8 yields:
% 6.73/2.42  		| (30) all_26_0_8 = all_7_1_4 |  ~ in(all_26_0_8, all_7_2_5)
% 6.73/2.42  		|
% 6.73/2.42  		+-Applying beta-rule and splitting (30), into two cases.
% 6.73/2.42  		|-Branch one:
% 6.73/2.42  		| (31)  ~ in(all_26_0_8, all_7_2_5)
% 6.73/2.42  		|
% 6.73/2.42  			| From (15) and (29) follows:
% 6.73/2.42  			| (32) in(all_26_0_8, all_7_2_5)
% 6.73/2.42  			|
% 6.73/2.42  			| Using (32) and (31) yields:
% 6.73/2.42  			| (33) $false
% 6.73/2.42  			|
% 6.73/2.42  			|-The branch is then unsatisfiable
% 6.73/2.42  		|-Branch two:
% 6.73/2.42  		| (34) all_26_0_8 = all_7_1_4
% 6.73/2.42  		|
% 6.73/2.42  			| Equations (34) can reduce 28 to:
% 6.73/2.42  			| (20) $false
% 6.73/2.42  			|
% 6.73/2.42  			|-The branch is then unsatisfiable
% 6.73/2.42  % SZS output end Proof for theBenchmark
% 6.73/2.42  
% 6.73/2.42  1812ms
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